CN207590609U - A kind of connection structure and dust catcher - Google Patents

Abstract

The utility model provides a kind of connection structure and dust catcher, the connection structure is for the first pipe fitting of connection and the second pipe fitting, connection structure includes top connection and lower contact, wherein, lower contact includes button and a joint body being connect with the second pipe fitting, joint body is mounted on by the way of fastening on the second pipe fitting, the resettlement groove for setting button and button can be made to be moved along the second tubular length direction is formed on joint body, joint body is equipped with and corresponding first holding section of button on the end for the side being connect with top connection, the first holding section is controlled by button with facilitating；Correspondingly, top connection is set to the second holding section on the first pipe fitting and with one for being connected together with the first holding section；Wherein, when pressing button, the center line that button makes the first holding section towards the second pipe fitting rotates so that the first holding section is detached from the second holding section, and the operation that completion top connection and lower contact detach is easy to operate, and with preferable stability.

Description

A connection structure and a vacuum cleaner

technical field

The utility model relates to a connection structure and a vacuum cleaner using the connection structure.

Background technique

At present, most of the aluminum tubes of vacuum cleaners on the market are round, and the pipe joints are connected by locks, including the upper joints, lower joints, locks, release buttons, etc., and there are also single-button joints. However, All exist the problem that fixing is not firm, easily swings left and right.

The Chinese patent with the publication number CN201223347Y discloses "The Locking Connection Structure of the Main Suction Pipe of Vacuum Cleaner". Directly insert the protrusion on the movable block into the bayonet to complete the engagement, and press the movable block to elastically deform the elastic member connected to the movable block, thereby realizing the opening of the protrusion and the bayonet. However, after completing the above During the snap-fit connection, the snap-fit connection is not strong enough, and it is easy to fall off, and the protrusion on the movable block is easily damaged.

Utility model content

In view of the above-mentioned problems in the prior art, the utility model provides a connection structure and a vacuum cleaner with convenient operation, simple structure, reliability and good stability.

In order to solve the above problems, the technical solution provided by the utility model is: a connection structure for connecting the first pipe and the second pipe, the connection structure includes an upper joint and a lower joint, wherein,

The lower joint includes a button and a joint body connected to the second pipe, the joint body is formed with a placement groove for setting the button and enabling the button to move along the length direction of the second pipe, The connector body is provided with a first engaging portion corresponding to the button on the end of the side connected to the upper connector;

The upper joint is disposed on the first pipe and has a second engaging portion for engaging with the first engaging portion;

Wherein, when the button is pressed, the button rotates the first engaging portion toward the center line of the second pipe to disengage the first engaging portion from the second engaging portion. The connection structure of the structure, when connecting the pipe fittings, the operation is convenient and the connection is firm, especially when connecting the square pipe fittings, the effect is more significant.

Preferably, the first engaging part is a driving piece integrally formed with the end of the connector body and corresponding to the button, and a hook is provided on the driving piece, and the second locking The joint part is a bayonet provided on the inner wall of the upper joint, and the hook is used to engage with the bayonet. When the button is pressed, the button rotates the transmission piece so that the The hook is separated from the bayonet socket, the connection structure is simple, the production cost is low, and the connection is firm.

Preferably, one end of the driving piece close to the upper joint is connected to the end surface of the end of the joint body, and a distance is formed between the driving piece and the end of the joint body, so The distance can provide sufficient rotation space for the transmission plate when the button is pressed, so that the hook and the bayonet can be separated from the hook.

Preferably, a boss is also provided on the transmission piece, and a protrusion arranged in a spherical shape is provided on the button. When the button is pressed, the protrusion can push against the boss so that the transmission piece Rotate, adopt spherical described protrusion, make the stress of described boss more gentle.

Preferably, the button includes an elastic piece arranged in the seating groove and a movable block connected to the elastic piece, the elastic piece can be deformed along the length direction of the second pipe piece, so that The movable block can move along the length direction of the second pipe to disengage the first engaging portion from the second engaging portion, and the elastic member resets the button, and the first The engaging part can reset itself.

As a preference, the opening of the placement groove is set towards the upper joint, and a limit rod for limiting the moving distance of the movable block is provided in the placement groove, so as to prevent the button from being pressed too deep, so that The protrusion cannot fit well with the boss.

Preferably, the movable block extends toward the direction of the placement groove on the end face of the side facing the placement groove to form a columnar extension, and the elastic member is a spring and one end of which is sleeved on the extension so that the spring can be connected with the button all the time.

Preferably, a baffle for abutting against the joint body is formed on the inner wall of the upper joint connected to the lower joint, so that the upper joint is sealed and connected with the lower joint to prevent During use, foreign matter enters the connecting structure.

The utility model also provides a vacuum cleaner, which includes a first pipe piece and a second pipe piece. The vacuum cleaner includes the above connection structure, the upper joint of the connection structure is arranged on one end of the first pipe piece, and the connection structure The lower joint is arranged on one end of the second pipe, and after being connected by the above-mentioned connection structure, the connection between the first pipe and the second pipe has good sealing performance and is stable and firm.

Preferably, the second engaging portion is formed on the inner wall of one end of the first pipe, so that the upper joint is formed at one end of the first pipe, so that the styles of the connectors are more diversified, and Make it more convenient in actual use.

Compared with the prior art, the utility model has the beneficial effects that: the connection structure adopts the form of snap connection, which is convenient to operate when connecting and dismantling it, and can realize quick connection and disassembly between pipe fittings, and its structure is simple , Fixed firmly, especially when applied to the connection of square pipe fittings, it has better stability.

Description of drawings

Fig. 1 is the sectional view of the utility model embodiment;

Fig. 2 is a structural schematic diagram of the separation process of the upper joint and the lower joint of the utility model embodiment;

Fig. 3 is a partially enlarged schematic diagram of A in Fig. 2;

Fig. 4 is a schematic structural view of the separation of the upper joint and the lower joint of the utility model embodiment;

Fig. 5 is a structural schematic view of the embodiment of the utility model when assembled in the direction of the arrow in the figure.

Reference signs:

1. Upper joint; 2. Lower joint; 3. Second pipe fitting; 11. Bayonet; 12. Baffle; 21. Button; 22. Joint body; 23. Placement slot; 26. Boss; 211. Protrusion; 212. Movable block; 213. Elastic part; 214. Extension; 231. Limiting rod.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 5, a connection structure provided by the present invention is used to connect the first pipe and the second pipe 3. The connection structure includes an upper joint 1 and a lower joint 2, wherein the lower joint 2 includes a button 21 And a joint body 22 connected with the second pipe fitting 3, the joint body 22 is installed on the second pipe fitting 3 in a snap-fit manner, so as to facilitate disassembly and assembly between the joint body 22 and the second pipe fitting 3, the joint body 22 is formed There is a placement groove 23 for setting the button 21 and enabling the button 21 to move along the length direction of the second pipe 3. The joint body 22 is provided with a first card corresponding to the button 21 on the end of the side connected to the upper joint 1. The first engaging part is conveniently controlled by the button 21; correspondingly, the upper joint 1 is arranged on the first pipe and has a second engaging part for engaging and connecting with the first engaging part Wherein, when the button 21 is pressed, the button 21 rotates the first engaging part toward the center line of the second pipe 3 so that the first engaging part is separated from the second engaging part, and the separation of the upper joint 1 and the lower joint 2 is completed Operation, in the process of actual use, the above-mentioned connection structure is mainly used on square tubes, which can meet the convenience of operation and has good stability. The more preferred design is to set buttons 21 and The corresponding components can make the structure simple and meet the needs of use. Of course, the number of buttons 21 and corresponding components is not limited to two, and the above connection structure can also be used when connecting circular pipes or other shaped pipes.

Further, referring to FIG. 3 , the first engaging part is a driving piece 24 integrally formed with the end surface of the end of the joint body 22 and corresponding to the button 21 , and the driving piece 24 is provided with a hook 25 , the second The two engaging parts are bayonet sockets 11 provided on the inner wall of the upper joint 1, and the hooks 25 are used to engage with the bayonet sockets 11, wherein, when the button 21 is pressed, the button 21 makes the transmission piece 24 relative to the transmission piece 24 and the joint. The joint of the end surface of the end of the body 22 is rotated to make the hook 25 disengage from the bayonet socket 11 .

Further, the end of the transmission piece 24 close to the upper joint 1 is connected to the end surface of the end of the joint body 22, and a distance is formed between the transmission piece 24 and the end of the joint body 22, and the distance can be used for transmission when the button 21 is pressed. The piece 24 provides enough turning space to disengage the hook 25 from the bayonet socket 11 .

In addition, a boss 26 is also provided on the transmission plate 24, and a protrusion 211 arranged in a spherical shape is arranged on the button 21. When the button 21 is pressed, the protrusion 211 can push against the boss 26 to drive the transmission through the boss 26. The sheet 24 rotates, wherein, the spherical protrusion 211 can reduce the friction between it and the boss 26, so that the whole force-bearing process is more gentle, and the boss 26 can have a slope, so that the boss 26 is in contact with the protrusion 211 When in contact, the stress on the boss 26 is gentle.

Further, as shown in FIG. 3 , the button 21 includes an elastic piece 213 disposed in the placement groove 23 and a movable block 212 connected to the elastic piece 213, and the elastic piece 213 can be deformed along the length direction of the second pipe piece 3 , so that the movable block 212 can move along the length direction of the second pipe member 3. When the button 21 is pressed, the elastic member 213 is compressed, and the first engaging part is disengaged from the second engaging part. After the button 21 is released, the button 21 resets under the action of the elastic member 213, and the first engaging part resets itself.

Further, as shown in FIG. 3 , the opening of the seating groove 23 is set toward the upper joint 1 , and a limit rod 231 for limiting the moving distance of the movable block 212 is provided in the seating groove 23 to prevent the button 21 from being pressed too far. Deep, so that the protrusion 211 and the boss 26 can not fit well. The movable block 212 extends toward the direction of the placement groove 23 on the end surface of the side facing the placement groove 23 to form a columnar extension 214. The elastic member 213 is a spring and one end of which is sleeved on the extension 214, so that the spring can be in contact with the button at all times. 21 connected together.

Further, on the inner wall of the upper joint 1 connected with the lower joint 2, a baffle plate 12 for abutting against the joint body 22 is formed, so that the upper joint 1 and the lower joint 2 are hermetically connected to prevent the Foreign matter has entered the connecting structure.

The specific use process of the above connection structure is as follows:

Separation process: refer to Fig. 2 to Fig. 4, when the button 21 is pressed, the protrusion 211 on the button 21 bears against the boss 26 on the transmission piece 24, so that the transmission piece 24 rotates, and then drives the The hook 25 is disengaged from the bayonet socket 11. At this time, the lower joint 2 is pulled out, and the upper joint 1 and the lower joint 2 are separated.

Assembly process: see Figure 5, when the button 21 is released, under the action of the elastic member 213, the button 21 resets, and the transmission piece 24 returns to its original position under the action of its own elasticity. At this time, insert the lower joint 2 into the upper The hook 25 on the joint 1 and the driving piece 24 engages with the bayonet 11 on the upper joint 1 to complete the docking of the upper joint 1 and the lower joint 2 .

The utility model also provides a vacuum cleaner, which can refer to Figure 1, including a first pipe and a second pipe 3, the vacuum cleaner also includes the above-mentioned connection structure, the upper joint 1 of the connection structure is arranged on one end of the first pipe, and the connection structure The lower joint 2 is arranged on one end of the second pipe 3, the first pipe and the second pipe 3 are connected together through the connection of the upper joint 1 and the lower joint 2, and after being connected by the above connection structure, the first pipe and the second The connection between the two pipe fittings 3 has good sealing performance and is stable and firm, so that the overall sealing performance of the vacuum cleaner can be guaranteed and the fixing is more firm during the operation process of the vacuum cleaner.

Further, in actual use, a second engaging portion can be provided on the inner wall of one end of the first pipe, so that one end of the first pipe forms an upper joint 1, and then the first pipe can be directly connected to the lower joint. The joint 2 is used for connection. Of course, the first pipe piece can also be the suction port of the vacuum cleaner. Similarly, a second engaging portion needs to be provided on the inner wall of the end where the suction port is connected to the lower joint 2, so that the whole connection structure is simpler.

The above embodiments are only exemplary embodiments of the utility model, and are not used to limit the utility model, and the protection scope of the utility model is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the utility model within the spirit and protection scope of the utility model, and such modifications or equivalent replacements should also be deemed to fall within the protection scope of the utility model.

Claims (10)

1. a kind of connection structure, for connecting the first pipe fitting and the second pipe fitting, which is characterized in that the connection structure includes above connecing Head and lower contact, wherein,

The lower contact includes button and a joint body being connect with second pipe fitting, is formed on the joint body useful In the resettlement groove for setting the button and the button being made to be moved along the second tubular length direction, the joint body It is equipped with and corresponding first holding section of the button on the end for the side being connect with the top connection；

The top connection is set on first pipe fitting and is used for be connected together with first holding section second with one Holding section；

Wherein, when pressing the button, the center line that the button makes first holding section towards second pipe fitting turns It moves so that first holding section is detached from second holding section.

2. a kind of connection structure according to claim 1, which is characterized in that first holding section is one and the connector The driver blade that the end of ontology is integrally formed and is correspondingly arranged with the button, and the driver blade is equipped with a grab, Second holding section is the bayonet being arranged on the inner wall of the top connection, and the grab is used to engage with the bayonet, When pressing the button, the button rotates the driver blade, so that the grab is detached from the bayonet.

3. a kind of connection structure according to claim 2, which is characterized in that the driver blade is close to the one of the top connection End is connect with the end face of the end of the joint body, and between the driver blade and the end of the joint body A spacing is formed with, the spacing can provide enough rotation spaces for the driver blade when pressing the button, so that The grab can be detached from grab with the bayonet.

4. a kind of connection structure according to claim 2 a, which is characterized in that boss, institute are additionally provided on the driver blade State button equipped with one be in spherical setting protrusion, when pressing the button, the protrusion can push against the boss so that The driver blade rotation.

5. a kind of connection structure according to claim 1, which is characterized in that the button is set to the placement including one Elastic component and one in slot are connected to the movable block on the elastic component, and the elastic component can be along the length of second pipe fitting Direction deforms upon, so that the movable block can be moved along the length direction of second pipe fitting, so that first engaging Portion is detached from second holding section, and the elastic component makes the push-button reset, and first holding section being capable of self-resetting.

6. a kind of connection structure according to claim 5, which is characterized in that the opening of the resettlement groove is towards connecing on described Head setting, and one is equipped in the resettlement groove for limiting the gag lever post of the displacement distance of the movable block.

7. a kind of connection structure according to claim 5, which is characterized in that the movable block is towards the resettlement groove A columnar extension is extended to form to the resettlement groove direction on the end face of side, the elastic component is spring and one end It is nested on the extension.

8. a kind of connection structure according to claim 1, which is characterized in that the top connection is connect with the lower contact Side inner wall on be formed with baffle for being abutted against with the joint body so that the top connection and the lower contact It is tightly connected.

9. a kind of dust catcher, including the first pipe fitting and the second pipe fitting, which is characterized in that the dust catcher includes such as claim 1- 8 any one of them connection structures, the top connection of the connection structure are set on the one end of first pipe fitting, the company The lower contact of binding structure is set on the one end of second pipe fitting.

10. a kind of dust catcher according to claim 9, which is characterized in that on the inner wall of the one end of first pipe fitting Second holding section is formed, so that the one end of first pipe fitting forms the top connection.