CN223152378U - Volute, fan and electrical equipment - Google Patents

Abstract

The utility model proposes a volute, a fan and an electrical device, wherein the volute comprises: a volute body, the volute body comprises a motor mounting plate; a flange, arranged on the volute body; a first side plate, arranged on the volute body, the first side plate is located in a first direction of the motor mounting plate; a second side plate, arranged on the volute body, the second side plate is located in a second direction of the motor mounting plate. The volute proposed by the utility model has a flange as a complete structure, which is arranged on the volute body, and the flange is not an assembled part, thereby improving the strength of the flange and the stability of the volute.

Description

Volute, fan and electrical equipment

Technical Field

The utility model relates to the technical field of volutes, in particular to a volute, a fan and electrical equipment.

Background

At present, in order to facilitate the production and manufacture of the volute, the volute is usually manufactured into an assembly part, and in the related art, the volute is usually divided into an upper part and a lower part or a left part and a right part, but the flange on the volute is split into two parts by the way of the assembly part, so that the strength of the flange is weakened.

Disclosure of utility model

The utility model aims to at least solve or improve the technical problem of lower strength of the flange caused by the fact that the flange on the volute is of an assembling structure in the prior art.

To this end, a first aspect of the utility model proposes a volute.

A second aspect of the present utility model proposes a fan.

A third aspect of the present utility model proposes an electrical device.

In view of this, according to a first aspect of the present utility model, a scroll casing is provided, which includes a scroll casing body including a motor mounting plate, a flange disposed on the scroll casing body, a first side plate disposed on the scroll casing body, the first side plate being located in a first direction of the motor mounting plate, and a second side plate disposed on the scroll casing body, the second side plate being located in a second direction of the motor mounting plate.

The volute provided by the utility model comprises a volute body, a flange, a first side plate and a second side plate, wherein the volute body comprises a motor mounting plate, the motor mounting plate is used for mounting a motor, the first side plate and the second side plate are arranged on the volute body and are positioned on two sides of the volute body, the first side plate is positioned in a first direction of the motor mounting plate, and the second side plate is positioned in a second direction of the motor mounting plate, so that the volute becomes an assembly part, and the production and the manufacture of the volute are facilitated.

And the flange is arranged on the volute body, namely, the flange is of a complete structure and is not an assembly part, so that the strength of the flange is improved, and the stability of the volute is improved.

In addition, the volute in the technical scheme provided by the utility model can also have the following additional technical characteristics:

In some embodiments, optionally, the volute body further comprises a coaming, the motor mounting plate is arranged in the coaming, the coaming and the motor mounting plate are matched to form a first cavity and a second cavity, wherein the first side plate is provided with a first air inlet, the first air inlet is communicated with the first cavity, the second side plate is provided with a second air inlet, the second air inlet is communicated with the second cavity, the coaming is provided with an air outlet, the air outlet is communicated with the first cavity and the second cavity, and the flange is arranged on the coaming.

In this embodiment, the spiral case main part still includes the bounding wall, and the motor mounting panel sets up in the bounding wall, that is, the spiral case main part is assembled the shaping by bounding wall and motor mounting panel two parts to be convenient for the production of spiral case main part is made, and behind motor mounting panel and the bounding wall cooperation, make bounding wall and the motor mounting panel enclose first cavity and second cavity, first cavity is located the first direction of motor mounting panel, and the second cavity is located the second direction of motor mounting panel, thereby makes spiral case shell formation double induced draft.

The first side plate is provided with a first air inlet, the first air inlet is communicated with the first cavity, the second side plate is provided with a second air inlet, the second air inlet is communicated with the second cavity, the coaming is provided with an air outlet, then air flow can enter the first cavity through the first air inlet and then be discharged through the air outlet, and air flow can also enter the second cavity through the second air inlet and then be discharged through the air outlet.

And the flange is arranged on the coaming, so that the volute is fixed.

In some embodiments, optionally, the motor mounting plate has motor mounting holes for placement of a dual-shaft motor.

In this embodiment, be provided with the motor mounting hole on the motor mounting panel, the motor mounting hole is used for placing biax motor, thereby the first output shaft of biax motor drives the rotation of first impeller in the first cavity, realize induced drafting and the exhaust of first cavity, the second output shaft of biax motor drives the rotation of second impeller in the second cavity, realize induced drafting and the exhaust of second cavity, set up the motor mounting hole on the motor mounting panel, be convenient for to biax motor's location, installation and fixed, the reduction assembly degree of difficulty.

In some embodiments, optionally, the first side plate includes a first mating portion, the volute body includes a third mating portion, the first and third mating portions form a multi-sided sealing fit, the second side plate includes a second mating portion, the volute body includes a fourth mating portion, and the second and fourth mating portions form a multi-sided sealing fit.

In this embodiment, the first side plate includes first mating portion, and the spiral case main part includes third mating portion, first mating portion and third mating portion looks adaptation to, and after first mating portion and the laminating of third mating portion, form the sealed cooperation of a plurality of faces, thereby promote the leakproofness of first side plate and spiral case main part, the second side plate includes second mating portion, and spiral case main part includes fourth mating portion, second mating portion and fourth mating portion looks adaptation, and, after second mating portion and the laminating of fourth mating portion, form the sealed cooperation of a plurality of faces, thereby promote the leakproofness of second side plate and spiral case main part, thereby promote the performance of fan.

In some embodiments, the first mating portion and the third mating portion are each optionally configured as a stepped or toothed structure, and the second mating portion and the fourth mating portion are each configured as a stepped or toothed structure.

In this embodiment, the first mating portion and the third mating portion are both of a stepped structure or a toothed structure, so that the increase of the sealing surfaces of the first mating portion and the third mating portion is achieved, and the stepped structure or the toothed structure is easy to produce, so that the processing difficulty of the volute is reduced, the second mating portion and the fourth mating portion are both of a stepped structure or a toothed structure, so that the increase of the sealing surfaces of the second mating portion and the fourth mating portion is achieved, and the stepped structure or the toothed structure is easy to produce, so that the processing difficulty of the volute is reduced.

In some embodiments, the first side plate is optionally clamped or bolted to the volute body and the second side plate is clamped or bolted to the volute body.

In this embodiment, the fixing manner of the first side plate and the volute body may be a clamping connection or a bolting connection, so as to improve the connection strength of the first side plate and the volute body, and the fixing manner of the second side plate and the volute body may be a clamping connection or a bolting connection, so as to improve the connection strength of the second side plate and the volute body.

In some embodiments, the flange may optionally protrude from the first side plate in a first direction of the motor mounting plate and the flange may protrude from the second side plate in a second direction of the motor mounting plate.

In this embodiment, the flange protrudes in the first side plate in the first direction of the motor mounting plate, so as to increase the effective area of the flange, promote stability after the spiral case is installed, and the flange protrudes in the second side plate in the second direction of the motor mounting plate, so as to increase the effective area of the flange, and promote stability after the spiral case is installed.

According to a second aspect of the utility model, the utility model provides a fan, comprising a volute as set forth in the embodiment of the first aspect.

The fan according to the present utility model, because of comprising the volute as set forth in the embodiment of the first aspect, has all the advantages of the volute as set forth in the embodiment of the first aspect, and is not set forth herein.

In some embodiments, the spiral casing comprises a spiral casing, a motor mounting plate, a double-shaft motor, a first impeller and a second impeller, wherein the motor mounting plate is arranged on the spiral casing, the motor mounting plate is provided with a motor mounting hole, the motor mounting hole is arranged on the motor mounting plate of the spiral casing, the motor mounting hole is connected with the motor mounting plate, the first impeller is arranged on a first output shaft of the double-shaft motor and is positioned in a first cavity of the spiral casing, the second impeller is arranged on a second output shaft of the double-shaft motor and is positioned in a second cavity of the spiral casing.

In this embodiment, the fan still includes biax motor, first impeller and second impeller, biax motor wears to establish in the motor mounting hole of motor mounting panel, first impeller is connected with the first output shaft of biax motor, the second impeller is connected with the second output shaft of biax motor, first impeller is located first cavity, the second impeller is located the second cavity, thereby the first impeller rotation in the first cavity is driven to the first output shaft of biax motor, the induced draft of first cavity is realized and the exhaust, the second impeller rotation in the second cavity is driven to the second output shaft of biax motor, the induced draft of second cavity is realized and the exhaust, set up the motor mounting hole on the motor mounting panel, be convenient for to the location of biax motor, installation and fixed, the reduction assembly degree of difficulty.

According to a third aspect of the utility model, the utility model provides an electrical device comprising a volute as set forth in the embodiment of the first aspect, or a fan as set forth in the embodiment of the second aspect.

The electrical equipment provided by the utility model comprises the volute as provided by the embodiment of the first aspect, or the fan as provided by the embodiment of the second aspect, so that the electrical equipment has all the advantages of the volute as provided by the embodiment of the first aspect, or the fan as provided by the embodiment of the second aspect, and the advantages are not stated one by one.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 shows a schematic structural view of a volute provided by one embodiment of the present utility model;

Fig. 2 shows a schematic structural view of a volute body, a first side plate and a second side plate in a volute according to an embodiment of the present utility model;

FIG. 3 shows an exploded view of a volute body, a first side plate, and a second side plate in a volute provided by one embodiment of the utility model;

fig. 4 shows a schematic structural view of a volute body, a first side plate and a second side plate in a volute according to an embodiment of the present utility model;

FIG. 5 shows a cross-sectional view of a volute body, a first side plate, and a second side plate in a volute provided by one embodiment of the utility model;

FIG. 6 shows a schematic view of the structure of the volute body and flange in the volute provided by one embodiment of the utility model;

FIG. 7 illustrates a cross-sectional view of a volute provided by one embodiment of the utility model;

fig. 8 shows a partial enlarged view of the volute of fig. 7 at a;

fig. 9 shows a partial enlarged view at B of the volute shown in fig. 7;

FIG. 10 illustrates a cross-sectional view of a blower provided in one embodiment of the utility model;

FIG. 11 shows a cross-sectional view of a portion of the structure of a blower provided in one embodiment of the utility model;

Fig. 12 is a schematic structural diagram of a dual-shaft motor in a fan according to an embodiment of the present utility model.

The correspondence between the reference numerals and the component names in fig. 1 to 12 is:

The device comprises a 100 volute, a 110 volute body, a 112 motor mounting plate, 114 motor mounting holes, 116 coamings, 118 first cavities, 120 second cavities, 122 air outlets, 124 third matching parts, 126 fourth matching parts, 130 flanges, 140 first side plates, 142 first air inlets, 144 first matching parts, 150 second side plates, 152 second air inlets, 154 second matching parts, 200 fans, 210 double-shaft motors, 212 first output shafts, 214 second output shafts, 216 mounting lugs, 220 first impellers and 230 second impellers.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

The scroll case 100, the blower 200, and the electric device provided according to some embodiments of the present utility model are described below with reference to fig. 1 to 12.

As shown in fig. 1, according to a first aspect of the present utility model, there is provided a scroll casing 100, the scroll casing 100 including a scroll casing body 110, a flange 130, a first side plate 140 and a second side plate 150, the flange 130 being provided on the scroll casing body 110, the fixing of the entire scroll casing 100 being achieved by the flange 130, for example, screw holes provided on the flange 130, and the scroll casing 100 being fixed by bolts.

The scroll body 110 has openings at both sides thereof, and the first and second side plates 140 and 150 are disposed on the openings, thereby forming the entire scroll 100.

As shown in fig. 3 and 4, the scroll body 110 includes a motor mounting plate 112, the motor mounting plate 112 is used for mounting a motor, the first side plate 140 is located in a first direction CD of the motor mounting plate 112, and the second side plate 150 is located in a second direction DC of the motor mounting plate 112. Wherein the first direction CD and the second direction DC may be opposite directions.

The volute 100 provided by the utility model comprises a volute body 110, a flange 130, a first side plate 140 and a second side plate 150, wherein the volute body 110 comprises a motor mounting plate 112, the motor mounting plate 112 is used for mounting a motor, the first side plate 140 and the second side plate 150 are arranged on the volute body 110 and are positioned on two sides of the volute body 110, the first side plate 140 is positioned in a first direction CD of the motor mounting plate 112, and the second side plate 150 is positioned in a second direction DC of the motor mounting plate 112, so that the volute 100 is an assembly, and the volute 100 is convenient to produce and manufacture.

In addition, the flange 130 is disposed on the scroll body 110, that is, the flange 130 is a complete structure and is not an assembly, thereby improving the strength of the flange 130 and the stability of the scroll 100.

The volute 100 provided by the utility model comprises the volute main body 110, the first side plate 140, the second side plate 150 and the flange 130, wherein the flange 130 is of a complete structure, so that the strength of the flange 130 is improved, the strength of the volute 100 is improved, the strength of the flange 130 on the volute 100 can be improved while the manufacturability can be met, the reliability of the fan 200 is improved, and the damage possibility of the fan 200 is reduced.

As shown in fig. 1, 5 and 7, in some embodiments, optionally, the volute body 110 further includes a shroud 116, the motor mounting plate 112 is disposed within the shroud 116, and the shroud 116 and the motor mounting plate 112 cooperate to form a first cavity 118 and a second cavity 120, that is, the motor mounting plate 112 divides the space within the shroud 116 into the first cavity 118 and the second cavity 120, the first cavity 118 being located in the first direction CD of the motor mounting plate 112 and the second cavity 120 being located in the second direction DC of the motor mounting plate 112.

The first side plate 140 has a first air inlet 142, the first air inlet 142 is communicated with the first cavity 118, so that the first cavity 118 can suck air through the first air inlet 142 and discharge air through the air outlet 122 on the enclosing plate 116, the second side plate 150 has a second air inlet 152, and the second air inlet 152 is communicated with the second cavity 120, so that the second cavity 120 can suck air through the second air inlet 152 and discharge air through the air outlet 122 on the enclosing plate 116.

And, a flange 130 is provided on the shroud 116.

In this embodiment, the volute body 110 further includes a shroud 116, the motor mounting plate 112 is disposed in the shroud 116, that is, the volute body 110 is formed by assembling two parts of the shroud 116 and the motor mounting plate 112, so that the production and manufacturing of the volute body 110 are facilitated, after the motor mounting plate 112 and the shroud 116 are matched, the shroud 116 and the motor mounting plate 112 enclose a first cavity 118 and a second cavity 120, the first cavity 118 is located in a first direction CD of the motor mounting plate 112, and the second cavity 120 is located in a second direction DC of the motor mounting plate 112, so that the volute 100 forms a double-suction volute.

The first side plate 140 is provided with a first air inlet 142, the first air inlet 142 is communicated with the first cavity 118, the second side plate 150 is provided with a second air inlet 152, the second air inlet 152 is communicated with the second cavity 120, the coaming 116 is provided with an air outlet 122, and then air flow can enter the first cavity 118 through the first air inlet 142 and then be discharged through the air outlet 122, and air flow can also enter the second cavity 120 through the second air inlet 152 and then be discharged through the air outlet 122.

And, a flange 130 is provided on the shroud 116 to thereby fix the scroll casing 100.

Specifically, the shroud 116 may be formed by bending a plate-like structure, so as to reduce the processing difficulty of the shroud 116, wherein the motor mounting plate 112 and the shroud 116 may be welded.

The air outlet 122 on the shroud 116 may be connected to the shroud 116 by welding, where the motor mounting plate 112 may divide the air outlet 122 into a first air outlet and a second air outlet, where the first air outlet is in communication with the first cavity 118, and the second air outlet is in communication with the second cavity 120.

Wherein the flange 130 is disposed at the air outlet 122.

As shown in fig. 1 and 2, in some embodiments, the motor mounting plate 112 optionally has motor mounting holes 114, the motor mounting holes 114 for placement of a dual-shaft motor 210.

In this embodiment, the motor mounting plate 112 is provided with a motor mounting hole 114, and the motor mounting hole 114 is used for placing the double-shaft motor 210, so that the first output shaft 212 of the double-shaft motor 210 drives the first impeller 220 in the first cavity 118 to rotate, thereby realizing air suction and air exhaust of the first cavity 118, the second output shaft 214 of the double-shaft motor 210 drives the second impeller 230 in the second cavity 120 to rotate, thereby realizing air suction and air exhaust of the second cavity 120, and the motor mounting hole 114 is arranged on the motor mounting plate 112, so that positioning, mounting and fixing of the double-shaft motor 210 are facilitated, and the assembly difficulty is reduced.

After the dual-axis motor 210 is mounted on the motor mounting plate 112, a first output shaft 212 of the dual-axis motor 210 is positioned within the first cavity 118 and a second output shaft 214 of the dual-axis motor 210 is positioned within the second cavity 120.

The motor mounting hole 114 may be a circular hole or a polygonal hole, etc., which is adapted to the biaxial motor 210.

As shown in fig. 8, in some embodiments, optionally the first side plate 140 includes a first mating portion 144, and the volute body 110 includes a third mating portion 124, the first mating portion 144 and the third mating portion 124 forming a multi-sided sealed fit.

In this embodiment, the first side plate 140 includes a first mating portion 144, the volute body 110 includes a third mating portion 124, the first mating portion 144 and the third mating portion 124 are adapted, and after the first mating portion 144 and the third mating portion 124 are attached, a sealing fit with multiple surfaces is formed, so as to improve the sealing performance of the first side plate 140 and the volute body 110.

Specifically, edges of the first side plate 140 form a first fitting portion 144, corresponding edges of the scroll body 110 and the first side plate 140 form a third fitting portion 124, and after the first side plate 140 is mounted on the scroll body 110, the first fitting portion 144 and the third fitting portion 124 are fitted.

As shown in fig. 8, in some embodiments, the first mating portion 144 and the third mating portion 124 are each optionally stepped or toothed in configuration.

In this embodiment, the first engaging portion 144 and the third engaging portion 124 are both in a stepped structure or a tooth structure, so that the sealing surfaces of the first engaging portion 144 and the third engaging portion 124 are increased, and the stepped structure or the tooth structure is easy to produce, thereby reducing the processing difficulty of the volute 100.

As shown in fig. 9, in some embodiments, the second side plate 150 optionally includes a second mating portion 154, the volute body 110 includes a fourth mating portion 126, and the second mating portion 154 and the fourth mating portion 126 form a multi-sided sealed fit.

In this embodiment, the second side plate 150 includes a second mating portion 154, the volute body 110 includes a fourth mating portion 126, the second mating portion 154 and the fourth mating portion 126 are adapted, and after the second mating portion 154 and the fourth mating portion 126 are attached, sealing engagement of multiple surfaces is formed, so that the tightness of the second side plate 150 and the volute body 110 is improved, and thus, the performance of the blower 200 is improved.

Specifically, the edges of the second side plate 150 form a second fitting portion 154, the corresponding edges of the volute body 110 and the second side plate 150 form a fourth fitting portion 126, and the second fitting portion 154 and the fourth fitting portion 126 are fitted after the second side plate 150 is mounted on the volute body 110.

As shown in fig. 9, in some embodiments, the second mating portion 154 and the fourth mating portion 126 are each optionally stepped or toothed in configuration.

In this embodiment, the second fitting portion 154 and the fourth fitting portion 126 are both of a stepped structure or a tooth-like structure, so that the increase of the sealing surfaces of the second fitting portion 154 and the fourth fitting portion 126 is achieved, and the stepped structure or the tooth-like structure is easy to produce, reducing the difficulty in processing the scroll case 100.

In some embodiments, the first side plate 140 is optionally snapped or bolted to the volute body 110.

In this embodiment, the first side plate 140 and the volute body 110 may be fastened or bolted, so as to improve the connection strength between the first side plate 140 and the volute body 110, and facilitate the disassembly and assembly of the volute 100, and facilitate the installation and maintenance of the blower 200.

In some embodiments, the second side plate 150 is optionally snapped or bolted to the volute body 110.

In this embodiment, the second side plate 150 and the volute body 110 may be fastened or bolted, so as to improve the connection strength between the second side plate 150 and the volute body 110, and facilitate the disassembly and assembly of the volute 100, and facilitate the installation and maintenance of the blower 200.

As shown in fig. 1 and 6, in some embodiments, the flange 130 may optionally protrude beyond the first side plate 140 in the first direction CD of the motor mounting plate 112.

In this embodiment, the flange 130 protrudes from the first side plate 140 in the first direction CD of the motor mounting plate 112, thereby increasing the effective area of the flange 130 and improving the stability of the volute 100 after being mounted.

As shown in fig. 1 and 6, in some embodiments, the flange 130 optionally protrudes from the second side plate 150 in the second direction DC of the motor mounting plate 112.

In this embodiment, the flange 130 protrudes from the second side plate 150 in the second direction DC of the motor mounting plate 112, thereby increasing the effective area of the flange 130 and improving the stability of the scroll case 100 after mounting.

In some embodiments, alternatively, the flange 130 may be a polygonal plate-shaped structure, a circular plate-shaped structure, an oval plate-shaped structure, or the like, and the flange 130 has a through hole for facilitating the threading of a bolt.

As shown in fig. 10 and 11, according to a second aspect of the present utility model, there is provided a blower 200 including a volute 100 as set forth in the first aspect of the embodiment.

The fan 200 provided by the present utility model, because of comprising the volute 100 as provided in the embodiment of the first aspect, has all the advantages of the volute 100 as proposed in the embodiment of the first aspect, and is not stated here.

As shown in fig. 10, 11 and 12, in some embodiments, optionally, the blower 200 further includes a dual-shaft motor 210, a first impeller 220, and a second impeller 230, the first impeller 220 is disposed on a first output shaft 212 of the dual-shaft motor 210, the second impeller 230 is disposed on a second output shaft 214 of the dual-shaft motor 210, the dual-shaft motor 210 is disposed in a motor mounting hole 114 of a motor mounting plate 112 of the scroll case 100, the dual-shaft motor 210 has a mounting ear 216, the mounting ear 216 is connected to the motor mounting plate 112, and the mounting ear 216 and the motor mounting plate 112 can be fixed by bolts.

The first impeller 220 is positioned in the first chamber 118 of the scroll case 100, and may draw air into the first chamber 118 and discharge the air out of the first chamber 118, and the second impeller 230 is positioned in the second chamber 120 of the scroll case 100, and may draw air into the second chamber 120 and discharge the air out of the second chamber 120.

In this embodiment, the fan 200 further includes a dual-shaft motor 210, a first impeller 220 and a second impeller 230, the dual-shaft motor 210 is installed in the motor mounting hole 114 of the motor mounting plate 112 in a penetrating manner, the first impeller 220 is connected with the first output shaft 212 of the dual-shaft motor 210, the second impeller 230 is connected with the second output shaft 214 of the dual-shaft motor 210, the first impeller 220 is located in the first cavity 118, and the second impeller 230 is located in the second cavity 120, so that the first output shaft 212 of the dual-shaft motor 210 drives the first impeller 220 in the first cavity 118 to rotate, air suction and air exhaust of the first cavity 118 are achieved, the second output shaft 214 of the dual-shaft motor 210 drives the second impeller 230 in the second cavity 120 to rotate, air suction and air exhaust of the second cavity 120 are achieved, and the motor mounting hole 114 is formed in the motor mounting plate 112, positioning, mounting and fixing of the dual-shaft motor 210 are facilitated, and assembly difficulty is reduced.

The fan 200 provided by the utility model comprises a volute 100, a double-shaft motor 210, a first impeller 220 and a second impeller 230, wherein the motor is arranged in the volute 100, a first shaft hole is formed in the central area of the first impeller 220, a first output shaft 212 of the double-shaft motor 210 penetrates through the first shaft hole, a second shaft hole is formed in the central area of the second impeller 230, and a second output shaft 214 of the double-shaft motor 210 penetrates through the second shaft hole.

The scroll case 100 includes a scroll case body 110, a first side plate 140 and a second side plate 150, the first side plate 140 has a first air inlet 142, the second side plate 150 has a second air inlet 152, the scroll case body 110 has an air outlet 122, the scroll case 100 includes a motor mounting plate 112, the motor mounting plate 112 has a motor mounting hole 114, and a biaxial motor 210 is provided in the motor mounting hole 114.

The biaxial motor 210 is provided with a plurality of mounting lugs 216, and the mounting lugs 216 and the motor mounting plate 112 are fixed by bolts.

Be provided with complete flange 130 on the spiral case main part 110, first curb plate 140 and spiral case main part 110 are linked together through the buckle, and second curb plate 150 and spiral case main part 110 are linked together through the buckle, have a plurality of contact surfaces between first curb plate 140 and the spiral case main part 110, carry out and form the structure of similar maze between the two to promote the sealed effect between the two, have a plurality of contact surfaces between second curb plate 150 and the spiral case main part 110, carry out and form the structure of similar maze between the two, thereby promote the sealed effect between the two.

The fan 200 is a double-suction centrifugal fan, the middle part of the volute 100 is provided with a motor mounting plate 112, the motor mounting plate 112 is provided with a motor mounting hole 114, and the motor mounting hole 114 is used for placing a double-shaft motor 210.

A plurality of protruding mounting lugs 216 are provided in the circumferential direction of the biaxial motor 210, and when the biaxial motor 210 is mounted, the biaxial motor 210 passes through the motor mounting holes 114 and fixes the mounting lugs 216 to the motor mounting plate 112. The volute 100 and the fan 200 provided by the utility model have the advantages that the volute 100 comprises the first side plate 140, the volute main body 110 and the second side plate 150, and the volute main body 110 is provided with the complete flange 130, so that the strength of the volute 100 is improved, the first side plate 140 and the second side plate 150 are arranged on the volute main body 110 in a clamping manner, and the contact surfaces of the first side plate 140 and the second side plate 150 and the volute main body 110 adopt a labyrinth structure, so that high-pressure gas in the volute 100 cannot leak from the contact surfaces.

According to a third aspect of the present utility model, an electrical apparatus is presented comprising a volute 100 as presented in the first aspect embodiment, or a fan 200 as presented in the second aspect embodiment.

The electrical apparatus according to the present utility model, because of comprising the volute 100 according to the embodiment of the first aspect, or the blower 200 according to the embodiment of the second aspect, has all the advantages of the volute 100 according to the embodiment of the first aspect, or the blower 200 according to the embodiment of the second aspect, which are not stated here.

Specifically, the electrical equipment includes an air conditioner, a range hood, an integrated range, or the like.

In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, the term "plurality" then referring to two or more unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, as they are used in a fixed or removable connection, or as they are integral with one another, as they are directly or indirectly connected through intervening media. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the components or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A volute, characterized by comprising: A volute body, the volute body comprising a motor mounting plate; A flange is provided on the volute body; A first side plate, disposed on the volute body, the first side plate being located in a first direction of the motor mounting plate; The second side plate is arranged on the volute body, and the second side plate is located in the second direction of the motor mounting plate. 2. The volute according to claim 1, characterized in that the volute body further comprises: An enclosure plate, wherein the motor mounting plate is arranged inside the enclosure plate, and the enclosure plate and the motor mounting plate cooperate to form a first cavity and a second cavity; Among them, the first side panel has a first air inlet, which is connected to the first cavity, the second side panel has a second air inlet, which is connected to the second cavity, the enclosure has an air outlet, which is connected to the first cavity and the second cavity, and the flange is arranged on the enclosure. 3. The volute according to claim 2, characterized in that: The motor mounting plate has a motor mounting hole, and the motor mounting hole is used to place a dual-axis motor. 4. The volute according to any one of claims 1 to 3, characterized in that: The first side plate includes a first matching portion, the volute body includes a third matching portion, and the first matching portion and the third matching portion form a sealing match of multiple surfaces; The second side plate includes a second matching portion, the volute body includes a fourth matching portion, and the second matching portion and the fourth matching portion form a sealing match of multiple surfaces. 5. The volute according to claim 4, characterized in that: The first matching portion and the third matching portion are both step structures or tooth structures; The second matching portion and the fourth matching portion are both step structures or tooth structures. 6. The volute according to any one of claims 1 to 3, characterized in that: The first side plate and the volute body are connected by snapping or bolts; The second side plate and the volute body are snap-fitted or connected by bolts. 7. The volute according to any one of claims 1 to 3, characterized in that: The flange protrudes from the first side plate in the first direction of the motor mounting plate; The flange protrudes from the second side plate in the second direction of the motor mounting plate. 8. A fan, characterized by comprising: A volute as claimed in any one of claims 1 to 7. 9. The fan according to claim 8, further comprising: A dual-axis motor is arranged in a motor mounting hole of a motor mounting plate of the volute, wherein the dual-axis motor has a mounting ear, and the mounting ear is connected to the motor mounting plate; A first impeller is disposed on a first output shaft of the dual-shaft motor, and the first impeller is located in a first cavity of the volute; The second impeller is arranged on the second output shaft of the dual-shaft motor, and the second impeller is located in the second cavity of the volute. 10. An electrical device, comprising: A volute as claimed in any one of claims 1 to 7; or A fan as claimed in claim 8 or 9.