CN216733993U

CN216733993U - Pneumatic waist holds in palm pump valve

Info

Publication number: CN216733993U
Application number: CN202220402790.6U
Authority: CN
Inventors: 赵亚东; 陈冉; 王瑀; 崔志铭
Original assignee: Changchun Quark Po Best Automobile Electronics Co ltd
Current assignee: Changchun Quark Po Best Automobile Electronics Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-14
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a pneumatic waist support pump valve which comprises an air pump and a housing positioned above the air pump, wherein the housing is hermetically connected with a shell of the air pump, an air guide connecting block is arranged in the housing, an air passage is arranged in the air guide connecting block, an inlet of the air passage is connected with an outlet of the air pump, a first port of an outlet electromagnetic valve of the air passage is connected, a second port of the electromagnetic valve is connected with an air faucet, and the housing is provided with an air release hole corresponding to the third port of the electromagnetic valve. The pneumatic waist support pump valve integrates the electromagnetic valve in the housing, and the air guide connecting block communicates the outlet of the air pump with the first port of the electromagnetic valve. The solenoid valve switches between air cock, disappointing hole and air flue export, realizes that the waist holds in the palm aerifys and loses the operation, and the structure is compacter, has reduced the space that the pump valve system occupied, and then has reduced the assembly degree of difficulty.

Description

Pneumatic waist holds in palm pump valve

Technical Field

The utility model relates to the technical field of vehicle accessories, in particular to a pneumatic waist support pump valve.

Background

In order to improve the comfort of the car seat, an air bag and a pump-valve system for inflating and deflating the air bag are usually arranged on the waist support of the seat. In the existing pump valve system, the air pump and the control valve occupy a large installation space in the layout, so that the assembly is complex.

Therefore, how to provide a compact pneumatic lumbar support pump valve is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pneumatic waist support pump valve, which integrates an electromagnetic valve in a housing to form a pump valve integrated structure, so that the pneumatic waist support pump valve is more compact in structure, the space occupied by a pump valve system is reduced, and the assembly difficulty is reduced.

In order to achieve the purpose, the utility model provides a pneumatic waist support pump valve which comprises an air pump and a cover shell positioned above the air pump, wherein the cover shell is connected with a shell of the air pump, an air guide connecting block is arranged in the cover shell, an air passage is arranged in the air guide connecting block, an inlet of the air passage is hermetically connected with an outlet of the air pump, a first port of an outlet electromagnetic valve of the air passage is connected, a second port of the electromagnetic valve is connected with an air faucet, and the cover shell is provided with an air release hole corresponding to the third port of the electromagnetic valve.

Preferably, the diameter of the inlet of the air passage is larger than the diameter of the outlet of the air passage, an air collection chamber is formed at the inlet of the air passage, a one-way valve is arranged in the air collection chamber, and the one-way valve is used for preventing the air from flowing backwards towards the air pump.

Preferably, a gas output hole is formed in the top of the housing, and the gas nozzle extends out of the housing from the gas output hole.

Preferably, the number of the one-way valves is two, the second ports of the two one-way valves are respectively connected with the two air nozzles, and the air passage comprises two air transmission branches respectively connected with the two one-way valves.

Preferably, the check valve is an umbrella-type check valve.

Preferably, the solenoid valve is a two-position three-way valve, and the first port is communicated with the second port in an inflation state; and when in a gas leakage state, the second port is communicated with the third port.

Preferably, a sound-deadening sponge is arranged in the air leakage hole.

Preferably, still be equipped with the PCB board in the housing, the PCB board is perpendicular the axial setting of air pump, the PCB board is located the top of air pump, the solenoid valve is located the top of PCB board, the solenoid valve with the PCB board links to each other.

Preferably, the housing is provided with an insertion hole, the PCB extends to a position below the insertion hole, and the PCB is provided with a connection pin extending into the insertion hole.

The utility model provides a pneumatic waist support pump valve, which comprises an air pump and a housing positioned above the air pump, wherein the housing is connected with a shell of the air pump, an air guide connecting block is arranged in the housing, an air passage is arranged in the air guide connecting block, an inlet of the air passage is hermetically connected with an outlet of the air pump, a first port of an outlet electromagnetic valve of the air passage is connected, a second port of the electromagnetic valve is connected with an air faucet, and the housing is provided with an air release hole corresponding to the third port of the electromagnetic valve.

The pneumatic waist support pump valve integrates the electromagnetic valve in the housing, and the air guide connecting block communicates the outlet of the air pump with the first port of the electromagnetic valve. The solenoid valve switches between air cock, disappointing hole and air flue export, realizes that the waist holds in the palm and aerifys and lose heart operation, and the structure is compacter, has reduced the space that the pump valve system occupied, and then has reduced the assembly degree of difficulty.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of a pneumatic lumbar support pump valve provided by the present invention;

FIG. 2 is a top view of the pneumatic lumbar support pump valve of FIG. 1;

FIG. 3 is a cross-sectional view of section A-A of FIG. 2;

FIG. 4 is a cross-sectional view of section B-B of FIG. 2;

fig. 5 is an enlarged view of C in fig. 3.

Wherein the reference numerals in fig. 1 to 5 are:

the air pump comprises an air pump 1, a motor 2, an air guide connecting block 3, an electromagnetic valve 4, a PCB 5, a connecting pin 6, an air passage 7, an air tap 8, a one-way valve 9, an air release hole 10 and a silencing sponge 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a pneumatic lumbar support pump valve provided in the present invention; FIG. 2 is a top view of the pneumatic lumbar support pump valve of FIG. 1; FIG. 3 is a cross-sectional view of section A-A of FIG. 2; FIG. 4 is a cross-sectional view of section B-B of FIG. 2; fig. 5 is an enlarged view of C in fig. 3.

The pneumatic waist support pump valve provided by the utility model has the structure shown in fig. 1 to 4 and comprises a motor 2, an air pump 1 and a housing. Wherein, the motor 2 is located below the air pump 1 and connected with the rotating shaft of the air pump 1, and the air pump 1 is driven by the motor 2 to rotate. The housing is positioned above the air pump 1 and is connected with the shell of the air pump 1 in a clamping or welding way and the like. Be equipped with air guide connecting block 3 in the housing, have air flue 7 in the air guide connecting block 3, the export sealing connection of the entry of air flue 7 and air pump 1, the first port of the export solenoid valve 4 of air flue 7 links to each other, and gas gets into in the solenoid valve 4 through air flue 7. The second port of the electromagnetic valve 4 is connected with an air tap 8, and the cover is provided with an air leakage hole 10 corresponding to the third port of the electromagnetic valve 4. The air tap 8 is used for connecting an air bag of the pneumatic waist support, and when the waist support is in an inflation state, the first port is communicated with the second port, and air enters the air bag. When the air bag is in a deflation state, the second port is communicated with the third port, and the air in the air bag is released through the air release hole 10. The electromagnetic valve 4 may be a two-position three-way valve, and of course, a user may select the type of the one-way valve 9 according to needs, which is not limited herein.

Optionally, the diameter of the inlet of the air passage 7 is larger than the diameter of the outlet of the air passage 7, so that a gas collection chamber is formed at the inlet of the air passage 7. The outlet of the air pump 1 is close to the side wall of the shell of the air pump 1, and the air collection chamber corresponds to the outlet of the air pump 1. As shown in fig. 2 and 3, the air nozzle 8 is positioned on the side far away from the air collecting chamber in the casing, and the one-way valve 9 is arranged between the air guide connecting block 3 and the air nozzle 8. The length direction of the one-way valve 9 can be vertical to the rotating shaft of the air pump 1, and the structure compactness is further improved.

Optionally, a check valve 9 is arranged in the gas collection chamber, and the check valve 9 can prevent gas from flowing back to the gas pump 1 in the process of re-releasing gas. The check valve 9 can adopt an umbrella-shaped check valve which can reduce the noise in the air inflation process and improve the comfort of the vehicle. The structure of the umbrella-shaped check valve can refer to fig. 5, a connecting column in the middle of the umbrella-shaped check valve is fixed above the air pump 1, and the umbrella-shaped check valve covers the outlet of the air pump 1.

Optionally, the top of the housing is provided with an air output hole, and the air tap 8 is parallel to the axial direction of the air pump 1 and extends out of the housing from the air output hole. In addition, the periphery of the gas output hole is also provided with a protective ring which can protect the connection part of the gas nozzle 8 and the gas charging pipe. Of course, the user may also arrange the air nozzles 8 in other manners as needed, which is not limited herein.

Optionally, as shown in fig. 1, two check valves 9 are provided in the housing, and are arranged in parallel. The number of the air nozzles 8 is also two, and the second ports of the two check valves 9 are respectively connected with the two air nozzles 8. The air passage 7 comprises two separate air delivery branches. One end of the gas transmission branch is connected with the gas collection chamber, and the other end is connected with a first port of the one-way valve 9.

Optionally, a silencing sponge 11 is arranged in the air leakage hole 10, and the silencing sponge 11 can reduce noise in the air leakage process. Of course, the user may also fill the air release hole 10 with other sound-deadening materials according to the requirement, which is not limited herein.

Optionally, a PCB board 5 controlling the solenoid valve 4 is also provided within the housing. As shown in fig. 4, the PCB board 5 is disposed perpendicular to the axial direction of the air pump 1 and above the air pump 1. The connecting sleeve can be sleeved above the air pump 1, and the outer side of the connecting sleeve is provided with a male buckle. The housing is sleeved above the connecting sleeve and is provided with a female buckle matched with the male buckle, and the housing is fixedly connected with the connecting sleeve through the buckle. The upper end of the connecting sleeve supports the PCB 5, and the inner side of the housing is provided with a limiting bulge for limiting the PCB 5. The connecting sleeve is matched with the housing to fix the PCB 5. Solenoid valve 4 is located the top of PCB board 5, and solenoid valve 4 links to each other with PCB board 5, and PCB board 5 steerable solenoid valve 4 carries out the valve position and switches. The structure of the control circuit of the PCB board 5 can refer to the prior art, and is not described herein.

Optionally, one side of the housing is provided with an insertion hole, the PCB board 5 extends to the lower side of the insertion hole, and the PCB board 5 is provided with a connection pin 6 extending into the insertion hole. The pneumatic waist support pump valve is inserted into a connecting port of a vehicle through the insertion hole, and the connecting pin 6 is used for communicating a circuit. The user may also use other circuit connection structures as needed, which is not limited herein.

In the embodiment, the pneumatic waist-supporting pump valve is provided with the air collection chamber in the air guide connecting block 3, and the umbrella-shaped check valve is arranged in the air collection chamber, so that the unidirectional flow of air is ensured, and the noise in the inflating process is reduced. The silencing sponge 11 is arranged in the air leakage hole 10, so that the noise in the air leakage process is reduced. In addition, two air nozzles 8 are arranged in the housing, so that the inflation efficiency can be improved, the electromagnetic valve 4 and the PCB 5 are arranged right above the air pump 1, the compactness of the pneumatic waist support pump valve structure is improved, the space occupied by a pump valve system is reduced, and the assembly difficulty is further reduced.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The pneumatic lumbar support pump valve provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a pneumatic waist holds in palm pump valve, its characterized in that includes air pump (1) and is located the housing of air pump (1) top, the housing with the shell of air pump (1) links to each other, be equipped with air guide connecting block (3) in the housing, air flue (7) have in air guide connecting block (3), the entry of air flue (7) with the export sealing connection of air pump (1), the first port of outlet solenoid valve (4) of air flue (7) links to each other, the second port of solenoid valve (4) links to each other with air cock (8), the housing be equipped with corresponding disappointing hole (10) of solenoid valve (4) third port position.

2. The pneumatic lumbar support pump valve according to claim 1, wherein the diameter of the inlet of the air passage (7) is larger than the diameter of the outlet of the air passage (7), the inlet of the air passage (7) forms a gas collection chamber, a one-way valve (9) is arranged in the gas collection chamber, and the one-way valve (9) is used for preventing gas from flowing backwards towards the air pump (1).

3. The pneumatic lumbar pump valve according to claim 2, characterized in that a gas outlet is provided at the top of the housing, the gas nipple (8) protruding from the housing.

4. The pneumatic lumbar support pump valve according to claim 3, wherein there are two check valves (9), the second ports of the two check valves (9) are respectively connected with the two air nozzles (8), and the air passage (7) comprises two air transmission branches respectively connected with the two check valves (9).

5. Pneumatic waist-pump valve according to claim 2, characterized in that said one-way valve (9) is an umbrella-type non-return valve.

6. The pneumatic waist pump valve according to claim 1, wherein the solenoid valve (4) is a two-position three-way valve, and the first port is communicated with the second port in an inflated state; and when in a gas leakage state, the second port is communicated with the third port.

7. The pneumatic lumbar pump valve according to any of claims 1 to 6, characterized in that a sound-deadening sponge (11) is provided in the air-escape hole (10).

8. The pneumatic lumbar support pump valve according to any one of claims 1 to 6, wherein a PCB (5) is further arranged in the housing, the PCB (5) is arranged perpendicular to the axial direction of the air pump (1), the PCB (5) is arranged above the air pump (1), the electromagnetic valve (4) is arranged above the PCB (5), and the electromagnetic valve (4) is connected with the PCB (5).

9. Pneumatic lumbar pump valve according to claim 8, characterized in that said housing is provided with a plug-in hole, said PCB board (5) extending below said plug-in hole, said PCB board (5) being provided with connecting pins (6) extending into said plug-in hole.