CN120273882B - Compressor housing, compressor assembly and manufacturing method - Google Patents

Abstract

The present invention provides a compressor housing, a compressor assembly, and a manufacturing method. The compressor housing is used to accommodate the compressor's motor and pump body. The compressor housing comprises an upper compressor housing, a main compressor housing, and a lower compressor housing. The upper compressor housing, the main compressor housing, and the lower compressor housing are made of plastic. The upper compressor housing is connected to the top end of the main compressor housing, and the lower compressor housing is connected to the bottom end of the main compressor housing. This invention solves the problems of metal compressor housings, such as heavy weight, high manufacturing and transportation costs, the need for painting, complex manufacturing processes, and serious environmental pollution.

Description

Compressor housing, compressor assembly and manufacturing method

Technical Field

The invention relates to the technical field of compressors, in particular to a compressor shell, a compressor assembly and a manufacturing method.

Background

At present, the shell of the traditional air conditioner compressor is made of metal materials through processes such as stamping and welding, the pipeline of the compressor is also made of metal materials, and the pipeline is connected with the shell of the compressor through a welding process, so that the weight is large, and the manufacturing and transportation costs are high. Further, the metal compressor housing requires further corrosion protection such as paint spraying, and is complicated in process and serious in environmental pollution.

Disclosure of Invention

The invention solves the problems of heavy weight, high manufacturing and transportation cost, paint spraying, complex process and serious environmental pollution of the metal compressor shell.

In order to solve the problems, the invention provides a compressor shell, which is used for accommodating a motor and a pump body of a compressor, and comprises an upper compressor shell, a main compressor shell and a lower compressor shell, wherein the upper compressor shell, the main compressor shell and the lower compressor shell are made of plastic materials, the upper compressor shell is connected with the top end of the main compressor shell, and the lower compressor shell is connected with the bottom end of the main compressor shell.

The technical effects achieved after the adoption of the technical scheme are that the compressor shell is made of plastic materials, so that the weight of the compressor shell can be effectively reduced, the transportation cost and the material cost are reduced, the processing is convenient, the processing efficiency can be effectively improved through an injection molding process, the productivity is larger, the manufacturing cost is reduced, the plastic can resist corrosion, and the anti-corrosion process such as paint spraying is not needed to be carried out on the outer side after the plastic is molded, so that the process is simpler, and the environment pollution caused by paint spraying is avoided.

The compressor shell comprises at least one welding position and a plurality of prefabricated structures welded through the welding position, wherein the prefabricated structures are independently formed by injection molding, and the prefabricated structures comprise a first prefabricated structure with the upper shell of the compressor and a second prefabricated structure with the lower shell of the compressor, and the first prefabricated structure and the second prefabricated structure are respectively formed by injection molding and then welded with each other or are welded through other prefabricated structures.

The technical scheme has the advantages that the modularized production is realized by splitting the compressor shell into a plurality of prefabricated structures, the complexity of the injection mold is reduced, the manufacturing flexibility is improved, the upper compressor shell and the lower compressor shell with different specifications can be continuously replaced and combined, compressors with different principles or functions are realized, meanwhile, the modularized production of the compressor shell is also convenient, various internal components such as a motor, a pump body and the like can be conveniently installed in any prefabricated structure of the compressor shell, and then the prefabricated structures are welded.

Further, the compressor main casing includes first casing and second casing, first casing with the casing constitutes the integral type on the compressor first prefabricated structure, the second casing with the casing constitutes the integral type under the compressor second prefabricated structure, first casing with pass through between the second casing welded connection is carried out to the welding position.

The technical effects achieved after the adoption of the technical scheme are that the barrel body is designed in a split mode and is combined with the upper compressor shell and the lower compressor shell respectively, the upper compressor shell and the lower compressor shell are not required to be subjected to independent injection molding, the production efficiency is improved, the number of welding positions is reduced, the welding efficiency and the connection reliability are improved, the size requirement of a die after the main compressor shell is split is remarkably reduced, the larger compressor shell is convenient to process, the upper compressor shell and the lower compressor shell are also convenient to be subjected to independent demolding after being subjected to split injection molding, and the first shell and the second shell can be subjected to axial demolding along with the upper compressor shell or the lower compressor shell.

Further, the compressor main shell and the compressor upper shell form an integrated first prefabricated structure, the compressor lower shell is of a second prefabricated structure, and the first prefabricated structure and the second prefabricated structure are welded and connected through the welding position.

The technical effect achieved by adopting the technical scheme is that the compressor main shell is overlapped with the edge of the upper shell of the compressor in the axial direction, so that the compressor main shell and the upper shell of the compressor can be combined for injection molding and demolding together. The upper shell of the compressor does not need to be independently injection molded, so that the injection molding and welding times are reduced, the assembly flow of the compressor shell is simplified, and the production efficiency is improved.

Further, the upper shell of the compressor is of the first prefabricated structure, the main shell of the compressor and the lower shell of the compressor form an integrated second prefabricated structure, and the first prefabricated structure and the second prefabricated structure are welded and connected through the welding position.

The technical effect achieved by adopting the technical scheme is that the edge of the compressor main shell is overlapped with the edge of the compressor lower shell in the axial direction, so that the compressor main shell and the compressor lower shell can be combined for injection molding and demolding together. The lower shell of the compressor does not need to be independently injection molded, so that the injection molding and welding times are reduced, the assembly flow of the shell of the compressor is simplified, and the production efficiency is improved.

Further, the upper shell of the compressor is of the first prefabricated structure, the lower shell of the compressor is of the second prefabricated structure, a plurality of prefabricated structures further comprise a third prefabricated structure, the third prefabricated structure is of the main shell of the compressor, and the first prefabricated structure, the third prefabricated structure and the second prefabricated structure are welded and connected through the welding positions in sequence.

The technical effect achieved by adopting the technical scheme is that the upper shell, the main shell and the lower shell of the compressor are all independently injection molded, so that a complete modularized design is realized, and parts can be replaced conveniently according to the size requirements, for example, the main shells of the compressors with different lengths can be replaced, so that the compressor is suitable for different volume requirements.

Further, the welding position comprises a first matching structure and a second matching structure, wherein the first matching structure is matched with the second matching structure in a sleeved mode, and then welding connection is carried out.

The technical scheme has the advantages that the first matching structure and the second matching structure can be installed in a limiting mode, the effect of physical positioning is achieved before the upper shell of the compressor is welded with the main shell of the compressor or before the main shell of the compressor is welded with the lower shell of the compressor, welding dislocation is avoided, the welding contact area can be increased through the sleeving structure, and welding strength is improved.

Further, the compressor shell further comprises positioning support legs which are made of plastic materials, and the positioning support legs and the compressor lower shell form an integrated second prefabricated structure.

The technical effects achieved after the adoption of the technical scheme are that the positioning support legs are used for supporting the compressor shell and stably installing the compressor shell on the vibration reduction spring, the weight of the positioning support legs is further reduced by adopting plastic, the transportation is convenient, the positioning support legs do not need to be waterproof and anti-corrosion at a paint spraying interface, the process flow is simplified, the positioning support legs and the lower shell of the compressor are integrally formed by injection molding, the injection molding efficiency is further improved, the assembly gap between the support legs and the shell is eliminated, the installation stability is improved, and compared with the injection molding by integral molding, the screw bolt fixing is avoided, the loosening risk is avoided, and the maintenance cost is reduced.

The embedded reinforcing plate is made of metal or alloy, the embedded reinforcing plate is embedded into the lower compressor shell, the positioning support legs are welded to the embedded reinforcing plate, the embedded reinforcing plate is arranged in a die of the lower compressor shell, and the embedded reinforcing plate and the lower compressor shell are embedded into the second prefabricated structure through injection molding of the lower compressor shell.

The embedded reinforcing plate is used for improving the strength of the lower shell of the compressor and improving the bearing capacity and the installation stability of the lower shell of the compressor, and after the lower shell of the compressor is injection molded, the embedded reinforcing plate can be tightly matched with the lower shell of the compressor to avoid connection looseness caused by vibration, so that the positioning support legs are stably installed on the embedded reinforcing plate.

The compressor shell further comprises a binding post insert, a screw rod insert and/or an air pipe insert, wherein the binding post insert, the screw rod insert and/or the air pipe insert are embedded into the compressor upper shell, the binding post insert, the screw rod insert and/or the air pipe insert are arranged in a die of the compressor upper shell, and the binding post insert, the screw rod insert and/or the air pipe insert are embedded with the compressor upper shell to form the first prefabricated structure through injection molding of the compressor upper shell.

The technical effects achieved after the adoption of the technical scheme are that the wiring terminal inserts are used for supplying power to and controlling the compressor, the screw rod inserts are used for fixing the compressor to other parts, the air pipe inserts are used for conveying air to enter or discharge, the wiring terminal, the screw rod and the air pipe can be stably arranged on the upper shell of the compressor in an insert mode, the wiring terminal, the screw rod and the air pipe can be tightly matched with the upper shell of the compressor after the upper shell of the compressor is injection molded, the stable wiring, screw rod installation and air guide function of the air pipe are achieved, the wiring terminal, the screw rod and the air pipe do not need to be fixed later, the injection molding integrated molding can enable the installation of the wiring terminal, the screw rod and the air pipe to be simpler and more convenient, the air tightness is improved, the integrity of the shell of the compressor is protected, the shell of the compressor adopts plastics, and the wiring terminal inserts are insulated.

The compressor shell further comprises a bypass pipeline insert which is arranged on the side face of the compressor main shell and used for installing a bypass pipeline and fixing a pump body of the compressor, and the bypass pipeline insert is also used for installing a process pipeline, such as being used for filling water or oil refrigerants, or being used for recycling the refrigerants or being connected with external equipment such as a pressure gauge, a temperature sensor and the like to realize start and stop of refrigeration or refrigeration capacity control, or being connected with a bypass valve to balance suction and exhaust pressure and prevent inversion or liquid impact and the like.

After the injection molding of the compressor main shell and the bypass pipeline inserts is completed, the pump body of the compressor is installed in the compressor main shell and is respectively matched with the bypass pipeline inserts to realize the positioning and fixing of the pump body.

Further, the compressor shell comprises an embedded mounting plate which is made of metal or alloy, and the embedded mounting plate is embedded into the side face of the compressor main shell and at least partially forms the prefabricated structure with the compressor main shell, wherein the embedded mounting plate is used for fixing the liquid reservoir.

The embedded mounting plate adopts a metal or alloy material, so that the strength of the position on the compressor shell, which is connected with the liquid storage device, can be improved, the cracking or loosening of the connecting position is avoided, the embedded mounting plate adopts an embedded structure and can be in seamless fit with the compressor main shell, the embedded mounting plate does not need the subsequent mounting and reinforcing steps, and the embedded mounting plate can be placed into a die to be molded with the compressor main shell at one time, so that the assembly efficiency of the embedded mounting plate is improved.

The invention provides a compressor assembly, which comprises a compressor shell, a liquid storage device and a clamp, wherein the compressor shell is provided by any one of the technical schemes, the clamp is clamped on the peripheral side of the liquid storage device, and the clamp is welded on the embedded mounting plate.

The technical scheme has the advantages that the clamp is used for fixing the liquid reservoir, the liquid reservoir is quickly disassembled and assembled, the liquid reservoir is convenient to maintain, fasteners such as bolts are replaced by welding connection between the clamp and the embedded mounting plate, failure of the fasteners caused by vibration is avoided, and the overall reliability of the assembly is improved.

The invention provides a manufacturing method of a compressor shell, which is used for manufacturing the compressor shell provided by any one of the technical schemes, and comprises the steps of integrally injection molding the first prefabricated structure with the upper compressor shell, integrally injection molding the second prefabricated structure with the lower compressor shell, and welding the first prefabricated structure and the second prefabricated structure with each other or welding other prefabricated structures.

The technical effect achieved by adopting the technical scheme is that the compressor shell is made of plastic materials, so that the weight of the compressor shell is reduced, the transportation cost is reduced, the compressor shell is manufactured efficiently, the productivity is effectively improved, and the anti-corrosion effect is achieved by adopting the plastic, the paint spraying procedure is saved, the process is simpler, and the environment pollution caused by paint spraying is avoided.

Further, the integral injection molding of the first prefabricated structure with the upper compressor shell specifically comprises the steps of forming the first prefabricated structure by at least part of the main compressor shell and the upper compressor shell, and integral injection molding;

And/or integrally injection molding the second prefabricated structure with the lower compressor shell, wherein the integral injection molding comprises the step of integrally injection molding at least part of the main compressor shell and the lower compressor shell to form the second prefabricated structure.

The technical effect achieved after the technical scheme is that when the compressor main shell and the compressor upper shell or the compressor lower shell are combined together for injection molding, the corresponding procedures of single injection molding and welding of the compressor upper shell or the compressor lower shell can be saved, the production efficiency is improved, the welding position is reduced, the whole compressor shell is more reliable, and the appearance is smoother and more attractive.

Further, the first prefabricated structure with the upper compressor shell is integrally injection molded, and specifically comprises a binding post insert, a screw rod insert and/or an air pipe insert which are arranged in a die of the upper compressor shell, and the binding post insert, the screw rod insert and/or the air pipe insert are embedded with the upper compressor shell to form the first prefabricated structure through injection molding of the upper compressor shell.

The technical effect achieved after the technical scheme is adopted is that the injection molding integrated molding can enable the installation of the binding post, the screw rod and the air pipe to be simpler and more convenient, a follow-up fastening piece or a welding procedure is not needed, the tightness of the compressor shell is better, and the installation of the binding post, the screw rod and the air pipe is more stable.

Further, the second prefabricated structure with the lower compressor shell is integrally injection molded, and specifically comprises the steps of installing an embedded reinforcing plate in a die of the lower compressor shell, enabling the embedded reinforcing plate to be embedded with the lower compressor shell to form the second prefabricated structure through injection molding of the lower compressor shell, and welding positioning support legs to the embedded reinforcing plate.

The technical effect achieved by adopting the technical scheme is that the embedded reinforcing plate is embedded into the lower shell of the compressor to be integrally formed, the process of splicing the embedded reinforcing plate is reduced, and the embedded reinforcing plate can be stably supported after being stably installed and the positioning support legs are fixed.

In summary, the above technical solutions of the present application can have one or more of the following advantages or beneficial effects that i) the compressor housing is made of plastic materials, which can effectively reduce the weight of the compressor housing, reduce the transportation cost and the material cost, and facilitate the processing, the injection molding process can effectively improve the processing efficiency, the productivity is greater, and the manufacturing cost is reduced, ii) the plastic itself can be anti-corrosion, and the anti-corrosion process such as paint spraying is not required to be performed on the outer side after the molding, so the process is simpler, paint spraying pollution environment is avoided, iii) the compressor housing is split into a plurality of prefabricated structures, the modular production is realized, the complexity of the injection mold is reduced, the manufacturing flexibility is improved, iv) the upper compressor housing and the lower compressor housing are also convenient to be separately ejected from the mold, the upper compressor housing or the lower compressor housing can be axially ejected along with the upper compressor housing or the lower compressor housing, the number of times of injection molding and welding is reduced, the assembly process of the compressor housing is simplified, the production efficiency is improved, v) the first matching structure and the second matching structure can be installed in a limited manner, the upper compressor housing and the lower compressor housing are welded together with the upper compressor housing and the lower compressor housing are not required to be firmly fixed, the supporting plate is embedded and fixed in the support plate is improved, the positioning and the welding stability is improved, and the positioning stability is improved, and the welding stability is improved.

Drawings

FIG. 1 is a schematic view of a compressor housing according to the present invention;

FIG. 2 is a schematic view of another compressor housing according to the present invention;

FIG. 3 is a schematic view of a compressor housing according to another embodiment of the present invention;

FIG. 4 is a schematic view of the upper shell of the compressor of FIG. 1;

FIG. 5 is a schematic view of the positioning leg of FIG. 2;

FIG. 6 is a schematic view of a compressor housing according to yet another embodiment of the present invention;

FIG. 7 is a schematic view of a compressor housing according to yet another embodiment of the present invention;

FIG. 8 is a schematic view of the post insert of FIG. 1;

FIG. 9 is a schematic view of the post insert of FIG. 1 from another perspective;

FIG. 10 is a schematic view of the embedded reinforcement plate of FIG. 2;

FIG. 11 is a schematic view of the embedded stiffener of FIG. 2 from another perspective;

FIG. 12 is a schematic view of the structure of the mounting plate of FIG. 1;

fig. 13 is a schematic structural view of a compressor assembly according to the present invention.

Reference numerals illustrate:

100-compressor housing, 110-compressor upper housing, 120-compressor main housing, 121-first housing, 122-second housing, 130-compressor lower housing, 141-first mating structure, 142-second mating structure, 151-locating leg, 152-embedded reinforcement plate, 161-terminal insert, 161 a-insert base, 161 b-terminal body, 162-screw insert, 163-air tube insert, 163 a-sealing sleeve, 163 b-air tube, 171-embedded mounting plate, 172-bypass tube insert, 200-compressor assembly, 210-reservoir, 220-clip.

Detailed Description

The invention aims to provide a compressor shell, a compressor assembly and a manufacturing method, which are used for realizing the effects of reducing the weight of the compressor shell, reducing the transportation and manufacturing costs, improving the production efficiency through injection molding and reducing pollution.

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

Referring to fig. 1-12, the present invention provides a compressor housing 100, where the compressor housing 100 includes a compressor housing, a motor and a pump body disposed in the compressor housing, the compressor housing includes a compressor upper housing 110, a compressor main housing 120 and a compressor lower housing 130, the compressor upper housing 110, the compressor main housing 120 and the compressor lower housing 130 are made of plastic materials, the compressor upper housing 110 is connected to the top end of the compressor main housing 120, and the compressor lower housing 130 is connected to the bottom end of the compressor main housing 120.

In the embodiment, the compressor shell is made of plastic, so that the weight of the compressor shell can be effectively reduced, the transportation cost and the material cost are reduced, the processing is convenient, the processing efficiency can be effectively improved through an injection molding process, the productivity is larger, the manufacturing cost is reduced, the plastic can resist corrosion, and the anti-corrosion process such as paint spraying is not needed to be performed on the outer side after the plastic is molded, so that the process is simpler, and the environment pollution caused by paint spraying is avoided.

Preferably, compared with the components such as a pump body and the like in the compressor shell, the compressor shell has no friction working condition, so that the wear-resisting requirement is low, the requirement on thermal deformation of the compressor shell is lower, the material selection is wider, the requirement on the machining precision of the compressor shell is lower, and the corresponding machining cost is lower. Therefore, the compressor shell can be formed by injection molding of glass fiber reinforced nylon, carbon fiber composite material, PEEK or BMC and other materials, so that the compressor shell has higher mechanical strength and oxidation resistance, high temperature resistance and corrosion resistance.

The compressor main case 120 is a cylindrical portion of the compressor case.

In a specific embodiment, the compressor housing includes at least one weld site and a plurality of preformed structures welded by the weld site, the preformed structures being injection molded separately, and the plurality of preformed structures including a first preformed structure having the compressor upper housing 110 and a second preformed structure having the compressor lower housing 130, the first and second preformed structures being injection molded separately and welded to each other or to each other by other preformed structures.

It should be noted that, by splitting the compressor housing into a plurality of prefabricated structures, modular production is realized, complexity of the injection mold is reduced, manufacturing flexibility is improved, and the compressor housing 100 with different principles or functions is realized by continuously replacing and combining the compressor upper housing 110 and the compressor lower housing 130 with different specifications; meanwhile, the compressor shell is produced in a modularized mode, various internal components such as a motor, a pump body and the like are conveniently installed in any prefabricated structure of the compressor shell, and then the prefabricated structures are welded.

Preferably, when welding is carried out between the adjacent prefabricated structures, the prefabricated structures can be connected through a hot plate welding or ultrasonic welding process, so that quick assembly and seamless connection can be realized, the tightness of the compressor shell is ensured, and the risk of refrigerant leakage is avoided.

Referring to fig. 6, in a specific embodiment, the compressor main casing 120 includes a first casing 121 and a second casing 122, the first casing 121 and the compressor upper casing 110 form a first prefabricated structure, the second casing 122 and the compressor lower casing 130 form a second prefabricated structure, and the first casing 121 and the second casing 122 are welded by a welding position.

It should be noted that, the cylinder body is designed in a split manner and is combined with the upper shell 110 and the lower shell 130 of the compressor, the upper shell 110 and the lower shell 130 of the compressor do not need to be injection molded separately, so that the production efficiency is improved, the number of welding positions is reduced, the welding efficiency and the connection reliability are improved, the size requirement of the die after the main shell 120 of the compressor is split is obviously reduced, and the processing of the larger compressor shell is facilitated. The upper and lower compressor casings 110 and 130 are also easily and separately injection molded, and any portion of the main compressor casing 120 may be axially injection molded with the upper and lower compressor casings 110 and 130.

The compressor main casing 120 may divide the first casing 121 and the second casing 122 according to any ratio, for example, 1:1, 1:2, etc., which is not limited herein. When other bypass lines, sensors, and other components are provided on the side of the compressor main casing 120, the compressor main casing 120 may be divided into a larger number of casings or casings of different proportions for convenience of avoidance or processing, which is not limited herein.

In a specific embodiment, the compressor main casing 120 and the compressor upper casing 110 form a first prefabricated structure, and the compressor lower casing 130 is a second prefabricated structure, and the first prefabricated structure and the second prefabricated structure are welded by welding positions.

It should be noted that, since the compressor main casing 120 axially coincides with the edge of the compressor upper casing 110, the compressor main casing 120 and the compressor upper casing 110 can be injection-molded in combination and be ejected together. The upper shell 110 of the compressor does not need to be singly molded, so that the times of injection molding and welding are reduced, the assembly flow of the compressor shell is simplified, and the production efficiency is improved.

Referring to fig. 7, in a specific embodiment, the upper compressor housing 110 is a first prefabricated structure, the main compressor housing 120 and the lower compressor housing 130 form an integrated second prefabricated structure, and the first prefabricated structure and the second prefabricated structure are welded by a welding site.

Since the compressor main case 120 is overlapped with the edge of the compressor lower case 130 in the axial direction, the compressor main case 120 and the compressor lower case 130 can be injection-molded in combination and be ejected together. The lower compressor housing 130 does not need to be injection molded separately, reduces the injection molding and welding times, simplifies the assembly process of the compressor housing, and improves the production efficiency.

Referring to fig. 3, in a specific embodiment, the upper shell 110 of the compressor is a first prefabricated structure, the lower shell 130 of the compressor is a second prefabricated structure, and a third prefabricated structure is further included in the plurality of prefabricated structures, wherein the third prefabricated structure is the main shell 120 of the compressor, and the first prefabricated structure, the third prefabricated structure and the second prefabricated structure are welded sequentially through welding positions.

It should be noted that, the upper compressor housing 110, the main compressor housing 120, and the lower compressor housing 130 are all injection molded separately, so as to realize a complete modular design, and facilitate replacement of parts according to the size requirement, for example, replacement of the main compressor housing 120 with different lengths, so as to adapt to different volume requirements.

In a specific embodiment, the welding position comprises a first matching structure 141 and a second matching structure 142, and the first matching structure 141 and the second matching structure 142 are in sleeve joint fit and then are in welding connection.

It should be noted that, the first matching structure 141 and the second matching structure 142 can be installed in a limited manner, so that the effect of physical positioning is achieved before the upper compressor housing 110 and the main compressor housing 120 are welded or before the main compressor housing 120 and the lower compressor housing 130 are welded, and the welding dislocation is avoided, and the sleeving structure can increase the welding contact area and the welding strength.

The first mating structure 141 and the second mating structure 142 may be stepped mating structures or mating structures with at least one inclined surface to achieve a lateral limiting effect. For example, the first matching structure 141 is disposed at an end of the compressor main housing 120, the second matching structure 142 is disposed at one end of the compressor upper housing 110 or the compressor lower housing 130 near the compressor main housing 120, the first matching structure 141 is an inner ring structure, the second matching structure 142 is an outer ring structure, and the second matching structure 142 is sleeved outside the first matching structure 141, so as to realize positioning and mounting of the compressor upper housing 110 and the compressor main housing 120, or positioning and mounting of the compressor main housing 120 and the compressor lower housing 130.

Referring to fig. 3 and 7, in a specific embodiment, the compressor housing further includes a positioning leg 151, the positioning leg 151 is made of plastic, and the positioning leg 151 and the compressor lower housing 130 form a second prefabricated structure.

It should be noted that, the positioning support leg 151 is used for supporting the compressor housing and stably installing the compressor housing on the vibration reduction spring, the positioning support leg 151 is made of plastic, so that the weight is further reduced, the transportation is facilitated, the positioning support leg 151 does not need to be waterproof and anti-corrosion at a paint spraying interface, the process flow is simplified, the positioning support leg 151 and the lower compressor housing 130 are integrally injection molded, the injection molding efficiency is further improved, the assembly gap between the support leg and the housing is eliminated, the installation stability is improved, and compared with the injection molding, the integral injection molding is fixed by bolts, the loosening risk is avoided, and the maintenance cost is reduced.

Referring to fig. 2 and 6, in another specific embodiment, the compressor housing further includes a positioning leg 151 and an embedded reinforcement plate 152, the embedded reinforcement plate 152 is made of metal or alloy, the embedded reinforcement plate 152 is embedded in the lower compressor housing 130, and the positioning leg 151 is welded to the embedded reinforcement plate 152, wherein the embedded reinforcement plate 152 is installed in a mold of the lower compressor housing 130, and the embedded reinforcement plate 152 is embedded with the lower compressor housing 130 to form a second prefabricated structure by injection molding the lower compressor housing 130.

It should be noted that, the embedded reinforcement plate 152 is used to improve the strength of the lower compressor housing 130, the bearing capacity of the lower compressor housing and the stability of installation, and after the lower compressor housing 130 is injection molded, the embedded reinforcement plate 152 can be tightly matched with the lower compressor housing 130, so as to avoid loose connection caused by vibration, and thus the positioning support leg 151 is stably installed on the embedded reinforcement plate 152.

Preferably, the embedded reinforcement plate 152 has a disc structure with a diameter smaller than that of the lower compressor housing 130, and the embedded reinforcement plate 152 has a groove or a protrusion in the circumferential direction, so that after the injection molding of the lower compressor housing 130 is completed, the protrusion or the groove matched with the embedded reinforcement plate 152 in the circumferential direction can be formed, and the two are embedded. For example, the embedded reinforcement plate 152 has a plurality of grooves circumferentially distributed at equal intervals, the grooves may be in the shape of a sector, a square or a triangle, and the number of the grooves may be 3, 4, 6, etc. in the circumferential direction.

Further, the embedded reinforcement plate 152 has a mounting surface exposed to the bottom of the compressor lower case 130 for mounting the positioning leg 151, wherein a screw hole may be provided on the mounting surface for locking the positioning leg 151 by a fastener, and the positioning leg 151 may be directly welded on the mounting surface, which is not limited herein.

Referring to fig. 1-3, and 6-11, in one specific embodiment, the compressor housing further includes a post insert 161, a screw insert 162, and/or a gas tube insert 163, the post insert 161, the screw insert 162, and/or the gas tube insert 163 being embedded in the compressor upper housing 110, wherein the post insert 161, the screw insert 162, and/or the gas tube insert 163 are installed in a mold of the compressor upper housing 110, and the post insert 161, the screw insert 162, and/or the gas tube insert 163 are embedded with the compressor upper housing 110 by injection molding the compressor upper housing 110 to form a first preformed structure.

The terminal inserts 161 are used to supply and control the compressor housing 100, for example, copper alloy materials, the screw inserts 162 are used to fix the compressor housing 100 to other components, for example, stainless steel materials, and the gas pipe inserts 163 are used to supply or discharge gas, for example, aluminum alloy materials. The wiring post, the screw rod and the air pipe can be stably arranged on the upper compressor shell 110 in an insert mode, the tight fit of the wiring post, the screw rod and the air pipe with the upper compressor shell 110 can be realized after the upper compressor shell 110 is injection molded, the stable wiring, screw rod installation and air guide function of the air pipe are realized, the wiring post, the screw rod and the air pipe are not required to be fixed subsequently, the wiring post, the screw rod and the air pipe are simpler and more convenient to install through injection molding integrated molding, the air tightness is improved, the integrity of the compressor shell is protected, and the compressor shell is made of plastic and has an insulating effect on the wiring post insert 161.

Preferably, the threaded end of the screw insert 162 protrudes from the top of the compressor upper housing 110 for mounting nuts or the like for securing to other components, and the other head of the screw insert 162 for operation is embedded within the compressor upper housing 110 and is not exposed to the interior cavity of the compressor housing, making the interior cavity of the compressor housing smoother and less contaminated.

Preferably, the terminal insert 161 includes an insert base 161a and a plurality of terminal bodies 161b, the insert base 161a is embedded in the upper compressor housing 110, a groove or a protrusion structure can be provided on the peripheral side of the insert base 161a to enable the insert base to be connected with the upper compressor housing 110 in a fitting manner, the plurality of terminal bodies 161b are mounted on the insert base 161a, and the plurality of terminal bodies 161b extend out of the inner and outer sides of the upper compressor housing 110 to enable electrical connection of both sides.

Preferably, the air tube insert 163 includes a sealing sleeve 163a and an air tube 163b, the sealing sleeve 163a being coupled to the upper compressor housing 110 by a groove or protrusion structure, the sealing sleeve 163a having a structure for receiving and engaging the air tube 163b therein. Specifically, the sealing sleeve 163a has a first pipe diameter section and a second pipe diameter section, wherein the inner diameter of the first pipe diameter section is matched with the outer diameter of the air pipe 163b, so that the sealing sleeve is stably connected, and the inner diameter of the second pipe diameter section is smaller than the outer diameter of the air pipe 163b, so that the air pipe 163b is limited and supported.

Referring to fig. 1-3, 6-7, and 12, in one specific embodiment, the compressor housing includes an embedded mounting plate 171, the embedded mounting plate 171 being of metal or alloy material, the embedded mounting plate 171 being embedded in a side of the compressor main housing 120 and forming a prefabricated structure with at least a portion of the compressor main housing 120, wherein the embedded mounting plate 171 is used to secure the reservoir 210.

Fig. 12 is a top view of the insert mounting plate 171. In a top view, the insert mounting plate 171 is a circular arc plate having an arc that matches the compressor main casing 120.

It should be noted that, the embedded mounting plate 171 is made of metal or alloy, so that the strength of the position on the compressor housing, where the liquid reservoir 210 is connected, can be improved, and cracking or loosening of the connecting position can be avoided, the embedded mounting plate 171 can be in seamless fit with the compressor main housing 120 by adopting an embedded structure, the embedded mounting plate 171 itself does not need a subsequent mounting and reinforcing step, and can be molded with the compressor main housing 120 once after being placed in a mold, so that the assembly efficiency of the embedded mounting plate 171 is improved.

For example, grooves or protrusions may be provided on the left and right sides of the insert mounting plate 171 to achieve a fitting connection after the injection molding of the compressor main housing 120.

Referring to fig. 1-3, and 6-7, in one particular embodiment, the compressor housing further includes a bypass line insert 172 provided on a side of the compressor main housing 120 for mounting the bypass line and securing the pump body of the compressor housing 100. Specifically, after injection molding of the compressor main casing 120 and the bypass line inserts 172 is completed, the pump body of the compressor casing 100 is installed in the compressor main casing 120, and is respectively mounted in cooperation with the plurality of bypass line inserts 172, so that positioning and fixing of the pump body are achieved. In addition, the bypass line insert 172 is also used to install process lines, such as for filling water or oil refrigerants, or for refrigerant recovery or connecting external devices such as pressure gauges, temperature sensors, etc. to enable start-stop or refrigeration capacity control of refrigeration, or connecting bypass valves to balance suction and discharge pressures, prevent inversion or hydraulic shock, etc.

It should be noted that, the bypass line insert 172 may be a tubular insert or a square insert, and annular grooves are disposed on two circumferential or at least opposite sides of the bypass line insert 172 to enable the bypass line insert to be embedded with the side surface of the compressor main casing 120, so that the assembly of the bypass line insert 172 is completed when the compressor main casing 120 is formed, and the bypass line insert has good fixing effect and bypass line sealing performance.

Referring to fig. 13, the present invention provides a compressor assembly 200, wherein the compressor assembly 200 includes the compressor housing 100 according to any one of the above embodiments, and further includes a reservoir 210 and a clip 220, the clip 220 is clamped to a peripheral side of the reservoir 210, and the clip 220 is welded to the mounting plate 171.

In this embodiment, the clamp 220 is used for fixing the reservoir 210, so as to realize quick assembly and disassembly of the reservoir 210, and facilitate maintenance of the reservoir 210, and the clamp 220 is connected with the embedded mounting plate 171 by welding instead of bolts and other fasteners, so that failure of the fasteners caused by vibration is avoided, and the overall reliability of the assembly is improved.

Preferably, the clamp 220 is a circular ring structure, and the circular ring structure is provided with a notch, and the notch is locked by a bolt and a nut to adjust the opening degree, so that the clamp 220 is tightened or loosened, and the reservoir 210 is disassembled and assembled.

The invention provides a manufacturing method of a compressor housing 100, which is used for manufacturing the compressor housing 100 provided by any one of the above technical schemes, and comprises the steps of integrally injection molding a first prefabricated structure with a compressor upper housing 110, integrally injection molding a second prefabricated structure with a compressor lower housing 130, and welding the first prefabricated structure and the second prefabricated structure with each other or welding the first prefabricated structure and the second prefabricated structure through other prefabricated structures.

In this embodiment, the manufacturing method of the compressor housing 100 adopts plastic materials to manufacture the compressor housing, so that the weight of the compressor housing is reduced, the transportation cost is reduced, the compressor housing is manufactured efficiently, the productivity is effectively improved, and the anti-corrosion effect is achieved by adopting plastic, so that the paint spraying process is saved, the process is simpler, and the environment pollution caused by paint spraying is avoided.

In one particular embodiment, integrally injection molding a first preformed structure having a compressor upper housing 110, specifically comprising integrally injection molding at least a portion of a compressor main housing 120 and the compressor upper housing 110 into a first preformed structure;

And/or integrally injection molding the second preformed structure with the compressor lower housing 130, including, in particular, integrally injection molding at least a portion of the compressor main housing 120 and the compressor lower housing 130 into the second preformed structure.

It should be noted that, when the compressor main housing 120 and the compressor upper housing 110 or the compressor lower housing 130 are combined together for injection molding, the corresponding procedures of injection molding and welding the compressor upper housing 110 or the compressor lower housing 130 can be saved, the production efficiency is improved, the welding positions are reduced, the whole compressor housing is more reliable, and the appearance is smoother and more attractive.

In one embodiment, integrally injection molding the first preformed structure with the compressor upper housing 110 specifically includes installing the post insert 161, the screw insert 162, and/or the air tube insert 163 in a mold of the compressor upper housing 110, and by injection molding the compressor upper housing 110, the post insert 161, the screw insert 162, and/or the air tube insert 163 are mated with the compressor upper housing 110 to form the first preformed structure.

It should be noted that, the injection molding can make the installation of the terminal, the screw rod and the air tube 163b simpler and more convenient, the subsequent fastener or welding procedure is not needed, the tightness of the compressor housing is better, and the installation of the terminal, the screw rod and the air tube 163b is more stable.

In one embodiment, the integral injection molding of the second preformed structure with the lower compressor housing 130 specifically includes installing the embedded reinforcement plate 152 in a mold of the lower compressor housing 130, forming the second preformed structure by injection molding the lower compressor housing 130, mating the embedded reinforcement plate 152 with the lower compressor housing 130, and welding the positioning legs 151 to the embedded reinforcement plate 152.

It should be noted that, the embedded reinforcing plate 152 is embedded into the lower shell 130 of the compressor to be integrally formed, so that the process of splicing the embedded reinforcing plate 152 is reduced, and the embedded reinforcing plate 152 is stably installed and then the positioning support legs 151 are fixed to realize stable support.

In one embodiment, the first and second prefabricated structures are welded to each other or to each other by other prefabricated structures, specifically including the compressor main casing 120 as a third prefabricated structure welded between the first and second prefabricated structures to facilitate replacement of compressor main casings 120 of different lengths.

It should be noted that, when the compressor housing is used as the independent third prefabricated structure or is partially integrated into the first prefabricated structure and the second prefabricated structure, the embedded mounting plate 171 and the bypass line insert 172 can be mounted in the corresponding mold of the compressor main housing 120, and the embedded mounting is completed when the compressor main housing 120 is molded, so as to improve the production efficiency and the connection strength.

In a specific embodiment, the first prefabricated structure may include the upper compressor housing 110 and a part of the main compressor housing 120, and the second prefabricated structure may include the lower compressor housing 130 and another part of the main compressor housing 120, and after the first prefabricated structure and the second prefabricated structure are respectively injection molded, the motor and the pump body are installed in the first prefabricated structure and the second prefabricated structure, and the pump body is fixed to the plurality of bypass line inserts 172 on the side surface of the main compressor housing 120, and then the first prefabricated structure and the second prefabricated structure are ultrasonically welded to realize sealing fixation of the main compressor housing 120, so that the installation of each internal element of the main compressor housing 100 is facilitated.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.

Claims (14)

1. The compressor comprises a compressor shell, wherein the compressor shell is used for accommodating a motor and a pump body of the compressor and comprises a compressor upper shell (110), a compressor main shell (120) and a compressor lower shell (130), and is characterized in that the compressor upper shell (110), the compressor main shell (120) and the compressor lower shell (130) are made of plastic materials, the compressor upper shell (110) is connected with the top end of the compressor main shell (120), and the compressor lower shell (130) is connected with the bottom end of the compressor main shell (120);

The compressor housing comprises at least one welding position and a plurality of prefabricated structures welded by the welding position, and the prefabricated structures are independently injection molded;

The prefabricated structures comprise a first prefabricated structure with the upper shell (110) of the compressor and a second prefabricated structure with the lower shell (130) of the compressor, wherein the first prefabricated structure and the second prefabricated structure are respectively injection molded and then welded with each other or welded through other prefabricated structures;

the compressor shell further comprises positioning support legs (151) and embedded reinforcing plates (152), wherein the embedded reinforcing plates (152) are made of metal or alloy materials, the embedded reinforcing plates (152) are embedded into the lower compressor shell (130), and the positioning support legs (151) are welded to the embedded reinforcing plates (152);

The embedded reinforcing plate (152) is installed in a die of the lower compressor shell (130), and the lower compressor shell (130) is subjected to injection molding, so that the embedded reinforcing plate (152) and the lower compressor shell (130) are embedded to form the second prefabricated structure.

2. The compressor housing according to claim 1, wherein the compressor main housing (120) comprises a first housing (121) and a second housing (122), the first housing (121) and the compressor upper housing (110) form an integrated first prefabricated structure, the second housing (122) and the compressor lower housing (130) form an integrated second prefabricated structure, and the first housing (121) and the second housing (122) are welded together by the welding position.

3. The compressor housing according to claim 1, wherein the compressor main housing (120) and the compressor upper housing (110) form an integral first prefabricated structure, the compressor lower housing (130) is the second prefabricated structure, and the first prefabricated structure and the second prefabricated structure are welded and connected through the welding position.

4. The compressor housing according to claim 1, wherein the compressor upper housing (110) is of the first prefabricated structure, the compressor main housing (120) and the compressor lower housing (130) form an integral second prefabricated structure, and the first prefabricated structure and the second prefabricated structure are welded and connected through the welding position.

5. The compressor housing of claim 1, wherein the compressor upper housing (110) is of the first pre-fabricated configuration and the compressor lower housing (130) is of the second pre-fabricated configuration;

Among the prefabricated structures, still include the third prefabricated structure, the third prefabricated structure is compressor main casing body (120), first prefabricated structure the third prefabricated structure the second prefabricated structure loops through the welding position carries out welded connection.

6. The compressor housing of claim 1, wherein the weld site includes a first mating structure (141) and a second mating structure (142), the first mating structure (141) being socket-fitted with the second mating structure (142) and then welded.

7. The compressor housing according to claim 1, further comprising a post insert (161), a screw insert (162) and/or a gas tube insert (163), the post insert (161), the screw insert (162) and/or the gas tube insert (163) being embedded in the compressor upper housing (110);

The terminal insert (161), the screw insert (162) and/or the air pipe insert (163) are/is arranged in a die of the upper compressor shell (110), and the upper compressor shell (110) is injection molded, so that the terminal insert (161), the screw insert (162) and/or the air pipe insert (163) are embedded with the upper compressor shell (110) to form the first prefabricated structure.

8. The compressor housing of claim 1, further comprising a bypass line insert (172) disposed on a side of the compressor main housing (120) for mounting a bypass line and securing a pump body of the compressor.

9. The compressor housing according to any one of claims 1-8, wherein the compressor housing comprises an embedded mounting plate (171), the embedded mounting plate (171) being of metal or alloy material, the embedded mounting plate (171) being embedded in a side face of the compressor main housing (120) and constituting the prefabricated structure with at least part of the compressor main housing (120), wherein the embedded mounting plate (171) is used for fixing a reservoir (210).

10. A compressor assembly comprising the compressor housing of claim 9, further comprising a reservoir (210) and a clip (220), the clip (220) being snap-fit to a peripheral side of the reservoir (210), the clip (220) being welded to the mounting plate (171).

11. A method of manufacturing a compressor housing according to any one of claims 1 to 9, the manufacturing method is characterized by comprising the following steps:

integrally injection molding the first preformed structure with the compressor upper shell (110);

Integrally injection molding the second preformed structure with the compressor lower shell (130);

Welding the first prefabricated structure and the second prefabricated structure with each other or welding through other prefabricated structures.

12. The manufacturing method according to claim 11, characterized in that the integrally injection molding of the first prefabricated structure with the compressor upper housing (110) comprises, in particular, the integrally injection molding of at least part of the compressor main housing (120) and the compressor upper housing (110) to form the first prefabricated structure;

And/or integrally injection molding the second prefabricated structure with the compressor lower shell (130), specifically comprising integrally injection molding at least part of the compressor main shell (120) and the compressor lower shell (130) to form the second prefabricated structure.

13. The manufacturing method according to claim 11, characterized in that the injection moulding of the first prefabricated structure with the compressor upper shell (110) is performed in one piece, in particular comprising:

And installing a binding post insert (161), a screw insert (162) and/or an air pipe insert (163) in a die of the upper compressor shell (110), and enabling the binding post insert (161), the screw insert (162) and/or the air pipe insert (163) to be embedded with the upper compressor shell (110) to form the first prefabricated structure through injection molding of the upper compressor shell (110).

14. The method of manufacturing according to claim 11, wherein integrally injection molding the second preformed structure having the compressor lower case (130) includes mounting an embedded reinforcement plate (152) in a mold of the compressor lower case (130), forming the second preformed structure by injection molding the compressor lower case (130), fitting the embedded reinforcement plate (152) with the compressor lower case (130), and welding a positioning leg (151) to the embedded reinforcement plate (152).