CN212616515U

CN212616515U - Electromagnetic valve

Info

Publication number: CN212616515U
Application number: CN202020704885.4U
Authority: CN
Inventors: 张海涛; 张金秋
Original assignee: Dongguan Anheisi Precision Electronics Co ltd
Current assignee: Dongguan Anheisi Precision Electronics Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-02-26
Anticipated expiration: 2030-04-30

Abstract

The application discloses solenoid valve includes: the device comprises a support framework, an inflation assembly and an air leakage assembly; the support framework is used for supporting an inflation assembly and a deflation assembly, the inflation assembly is used for controlling inflation of the air bag, and the deflation assembly is used for controlling deflation of the air bag; support skeleton integrated into one piece includes: the communication distribution body and the inflation valve body and the air release valve body are respectively arranged on two sides of the communication distribution body; the communicating distribution body is internally provided with a vent hole which is respectively communicated with the inflation valve body and the deflation valve body, and the communicating distribution body is provided with an air inlet which is communicated with the outside; the inflation assembly is arranged in the inflation valve body and is used for controlling an air path passage between the inflation valve body and the communication distribution body; the air leakage assembly is arranged in the air leakage valve body and is used for controlling an air path passage between the air leakage valve body and the communication sub-assembly.

Description

Electromagnetic valve

Technical Field

The present disclosure relates generally to the field of automotive seat support technology, and more particularly to a solenoid valve.

Background

In a pneumatic lumbar support controller device of a support airbag of an automobile seat, the prior art generally respectively charges and discharges air through an independent charging solenoid valve and an independent discharging solenoid valve, thereby realizing the function of lumbar support adjustment, but the traditional scheme has the following defects: 1. the inflation solenoid valve and the air leakage solenoid valve are mutually independent, the space utilization rate is low, and the size of the whole product is larger; 2. the respective electromagnetic valves need to be assembled independently, so that the assembly difficulty is high and the working procedures are complicated; 3. the inflation solenoid valve and the air leakage solenoid valve adopt a plug-in structure, so that air leakage risks exist, and the product functionality is influenced. Therefore, there is a need for an improvement of the conventional solenoid valve of the split structure.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide a solenoid valve.

A solenoid valve, comprising: the device comprises a support framework, an inflation assembly and an air leakage assembly; the support framework is used for supporting an inflation assembly and a deflation assembly, the inflation assembly is used for controlling inflation of the air bag, and the deflation assembly is used for controlling deflation of the air bag;

support skeleton integrated into one piece includes: the communication distribution body and the inflation valve body and the air release valve body are respectively arranged on two sides of the communication distribution body; the communicating distribution body is internally provided with a vent hole which is respectively communicated with the inflation valve body and the deflation valve body, and the communicating distribution body is provided with an air inlet which is communicated with the outside;

the inflation assembly is arranged in the inflation valve body and is used for controlling an air path passage between the inflation valve body and the communication distribution body; the air leakage assembly is arranged in the air leakage valve body and is used for controlling an air path passage between the air leakage valve body and the communication sub-assembly.

According to the technical scheme provided by the embodiment of the application, the inflation assembly comprises: the first electromagnetic coil 19, the inflation valve core and the inflation nozzle are arranged on the outer side of the support framework; the inflation nozzle is arranged on one side relatively far away from the communication distribution body, one end of the inflation nozzle extends out of the inflation valve body, a first rubber cap is arranged between the inflation valve core and the communication distribution body, a first spring is arranged between the inflation nozzle and the inflation valve body, and a first rubber block is arranged between the inflation nozzle and the inflation valve core; a vent groove is formed in one end, relatively close to the communication sub-assembly, of the inflating nozzle, and one end, relatively far away from the communication sub-assembly, of the inflating nozzle is used for being connected with an air bag; after the first electromagnetic coil is electrified, the inflation valve core moves to be attracted with the inflation nozzle and extrudes the first spring, so that the air inlet is communicated with the air passage of the inflation nozzle.

According to the technical scheme provided by the embodiment of the application, the air leakage assembly comprises: the second electromagnetic coil, the air release valve core and the air release nozzle are arranged on the outer side of the supporting framework; the air release nozzle is arranged on one side relatively far away from the communicating distribution body, a second rubber cap is arranged between the air release valve core and the communicating distribution body, a second spring is arranged between the air release nozzle and the air release valve body, and a second rubber block is arranged between the air release nozzle and the air release valve core; one end of the air leakage nozzle, which is relatively close to the communication sub-ligand, is provided with a vent groove, and the other end of the air leakage nozzle, which is relatively far away from the communication sub-ligand, is used for air leakage; and after the second electromagnetic coil is electrified, the air escape valve core moves to be attracted with the air escape nozzle and extrudes the second spring, so that the air charging nozzle is communicated with the air passage of the air escape nozzle through the communicating distributing body.

According to the technical scheme provided by the embodiment of the application, an inflation channel communicated with an inflation assembly and an air leakage channel communicated with an air leakage assembly are respectively arranged on the communication distribution body; the inflation channel is communicated with the air inlet and used for inflating the air bag, and the air leakage channel is used for leaking air for the air bag.

According to the technical scheme that this application embodiment provided, inflate the valve body and all be equipped with U indisputable and several contact pin on the valve body that lets out, U indisputable is used for increasing the magnetic flux and fixed charging connector and the mouth that loses heart, the contact pin is connected with first solenoid and second solenoid respectively.

According to the technical scheme that this application embodiment provided, charging connector and inflation valve body interference fit, disappointing nozzle and disappointing valve body interference fit.

According to the technical scheme provided by the embodiment of the application, a sealing head is arranged in the communicating distribution body and used for plugging a through hole in the communicating distribution body.

According to the technical scheme that this application embodiment provided, all be equipped with O type circle in charging connector and the disappointing mouth.

To sum up, above-mentioned technical scheme of this application improves space utilization through the inflation valve and the release valve that set up the integral type, reduces the size of product to the assembly degree of difficulty is lower, does not have the risk of gas leakage, improves the availability factor of product, thereby can be convenient through the external air bag of circular telegram, outage adjustment aerify, pressurize, lose heart the action and realize lumbar support regulatory function.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic perspective view of the present apparatus;

FIG. 2 is a schematic structural view (inflated state) of the device;

FIG. 3 is a schematic view of the structure of the apparatus (pressure maintaining state);

FIG. 4 is a schematic view of the device in its deflated state;

fig. 5 is a schematic structural diagram of the device.

Reference numbers in the figures: 1. a linker ligand; 2. an inflation valve body; 3. a relief valve body; 4. an air inlet; 5. an inflation valve core; 6. an air charging nozzle; 7. a first rubber cap; 8. a first spring; 9. a first rubber block; 10. a relief valve core; 11. a gas release nozzle; 12. a second rubber cap; 13. a second spring; 14. a second rubber block; 15. sealing the end; 16. iron U; 17. inserting a pin; 18. an O-ring 19, a first electromagnetic coil; 20. a second electromagnetic coil.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example one

support skeleton integrated into one piece includes: the device comprises a communication sub-ligand 1, and an inflation valve body 2 and an air release valve body 3 which are respectively arranged on two sides of the communication sub-ligand 1; the communicating and distributing body 1 is internally provided with vent holes which are respectively communicated with the inflation valve body 2 and the deflation valve body 3, and the communicating and distributing body 1 is provided with an air inlet 4 communicated with the outside;

the inflation assembly is arranged in the inflation valve body 2 and is used for controlling a gas path passage between the inflation valve body 2 and the communicating distribution body 1; the air leakage assembly is arranged in the air leakage valve body 3 and is used for controlling an air path passage between the air leakage valve body 3 and the communication distributing body 1.

When the device is used, as shown in fig. 1 and 2, the inflation component is connected with the air bag, when the air bag needs to be inflated, the inflation component is electrified to open the internal air passage of the inflation component, air enters the air bag from the air inlet 4 of the communicating distribution body 1 to inflate the air bag, and the air leakage component is closed to inflate the air bag; when the pressure state in the air bag needs to be kept, the power is cut off to close the air path in the inflation assembly, and the air is stably positioned in the air bag; when the air bag needs to be deflated, the air bag is powered on to open the internal air path of the air bag, and air is exhausted to the outside from the air bag through the air leakage assembly, so that the air leakage of the air bag is realized.

This device will inflate

valve body

2 and 3 integrative settings of disappointing valve body, improves space utilization, reduces the size of product to the assembly degree of difficulty is lower, does not have the risk of gas leakage, improves the availability factor of product, thereby can be convenient through circular telegram, the external air pocket of outage adjustment aerify, pressurize, lose heart action realize the lumbar support regulatory function.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the inflation assembly includes: the first electromagnetic coil 19, the inflation valve core 5 and the inflation nozzle 6 are arranged on the outer side of the support framework; the inflation nozzle 6 is arranged on one side relatively far away from the communication distribution body 1, one end of the inflation nozzle extends out of the inflation valve body 2, a first rubber cap 7 is arranged between the inflation valve core 5 and the communication distribution body 1, a first spring 8 is arranged between the inflation nozzle 6 and the inflation valve body 2, and a first rubber block 9 is arranged between the inflation nozzle 6 and the inflation valve core 5; a vent groove is formed in one end, relatively close to the communication sub-assembly 1, of the inflating nozzle 6, and one end, relatively far away from the communication sub-assembly 1, of the inflating nozzle is used for being connected with an air bag; after the first electromagnetic coil is electrified, the inflation valve core 5 moves to be attracted with the inflation nozzle 6 and extrudes the first spring 8, so that the air inlet 4 is communicated with the air passage of the inflation nozzle 6.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the run-flat subassembly includes: the second electromagnetic coil 20, the air release valve core 10 and the air release nozzle 11 are arranged on the outer side of the supporting framework; the air release nozzle 11 is arranged on one side relatively far away from the communicating distribution body 1, a second rubber cap 12 is arranged between the air release valve core 10 and the communicating distribution body 1, a second spring 13 is arranged between the air release nozzle 11 and the air release valve body 3, and a second rubber block 14 is arranged between the air release nozzle 11 and the air release valve core 10; one end of the air leakage nozzle 11, which is relatively close to the communication sub-ligand 1, is provided with a vent groove, and one end of the air leakage nozzle, which is relatively far away from the communication sub-ligand 1, is used for air leakage; and after the second electromagnetic coil 20 is electrified, the air release valve core 10 moves to be attracted with the air release nozzle 11 and extrudes the second spring 13, so that the air charging nozzle 6 is communicated with the air passage of the air release nozzle 11 through the communicating distributing body 1.

When the air bag is in an inflation state, as shown in fig. 2, the inflation assembly is powered on, the inflation valve core 5 moves to be attracted with the inflation nozzle 6, the first rubber cap 7 moves along with the inflation valve core 5 to open an inflation channel of the communication sub-assembly 1, the first rubber block 9 moves to prop against a cross groove of the inflation nozzle 6 to open the cross groove, the interior is in an air path communication state at the moment, and air enters the air bag through the air inlet 4 on the communication sub-assembly 1 and the inflation nozzle 6; the air release component is powered off, the air release valve core 10 is propped against the elastic force of the second spring 13, and the second rubber cap 12 is propped against the air path of the communicating sub-assembly 1 to close the communicating sub-assembly, so that the air bag is inflated.

When the air bag is in a pressure maintaining state, as shown in fig. 3, the inflation component and the air leakage component are not electrified, the inflation valve core 5 is propped by the elastic force of the first spring 8, the first rubber cap 7 is propped against the air passage of the communicating and distributing body 1, the air leakage valve core 10 is propped by the elastic force of the second spring 13, the second rubber cap 12 is propped against the air passage of the communicating and distributing body 1, the first rubber cap 7 is propped against the communicating and distributing body 1 to enable the air passage of the air inlet 4 to be closed, both ends are in a closed state, and the air is stably located in the air bag.

When the air bag is in an air leakage state, as shown in fig. 4, the air leakage component is electrified, the air leakage valve core 10 moves to be attracted with the air leakage nozzle 11, the second rubber cap 12 moves along with the air leakage valve core 10 to open an air leakage channel of the communicating sub-assembly 1, the second rubber block 14 moves to push against a cross groove of the air leakage nozzle 11 to open the cross groove, the inside is in an air passage communicating state at the moment, and air is discharged to the outside through an air passage inside the communicating sub-assembly 1 and the air leakage nozzle 11; the inflation assembly is powered off, the inflation valve core 5 is propped against the communicating sub-assembly 1 by the elastic force of the first spring 8, and the first rubber cap 7 is propped against the communicating sub-assembly 1, so that the air path of the air inlet 4 is closed, and the air leakage of the air bag is realized.

As shown in fig. 2 and 5, the first spring 8 may be disposed between an outer wall of the charging connector 6 and an inner wall of the charging valve body 2, or disposed inside the charging connector 6 and having one end contacting the charging valve core 5, so as to move the charging valve core 5; the second spring 13 may be disposed between the outer wall of the discharge nozzle 11 and the inner wall of the discharge valve body 3, or disposed inside the discharge nozzle 11 with one end contacting the discharge valve body 3, so that the discharge valve body 3 moves. The charging nozzle 6 and the discharging nozzle 11 can be the same or can be in a non-concentric mode with parallel air holes.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the communication distributing body 1 is respectively provided with an inflation channel communicated with the inflation assembly and an air leakage channel communicated with the air leakage assembly; the inflation channel is communicated with the air inlet 4 and is used for inflating the air bag, and the air leakage channel is used for leaking air for the air bag. When the air bag is in an inflation state, the first rubber cap 7 moves to enable the inflation channel to be communicated, and air enters the inflation channel from the air inlet 4 and then enters the air bag through the inflation assembly; when the air bag is in the air-release state, the second rubber cap 12 moves to enable the air-release channel to be communicated, and air in the air bag enters the air-release component from the air-release channel and then is discharged.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: all be equipped with U indisputable 16 and several contact pin 17 on the valve body 2 of aerifing and the valve body 3 of disappointing, U indisputable 16 is used for increasing the magnetic flux and fixes charging connector 6 and disappointing mouth 11, contact pin 17 is connected with first solenoid 19 and second solenoid 20 respectively. The U-shaped iron is used for fixing the charging nozzle 6 and the air release nozzle 11 on the charging valve body 2 and the air release valve body 3 and can increase magnetic flux; the PCB board is connected to the one end of contact pin, and first solenoid 19 or second solenoid 20 are connected to the other end, and several contact pins wherein form independent return circuit with the subassembly of aerifing, and other contact pin forms independent return circuit with the subassembly of disappointing, can independent control the subassembly of aerifing or the subassembly of disappointing when reaching the circular telegram, makes the electric current transfer to first solenoid 19 or second solenoid 20 from the contact pin on, then control the subassembly of aerifing or the subassembly of disappointing.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the inflation nozzle 6 is in interference fit with the inflation valve body 2, and the air release nozzle 11 is in interference fit with the air release valve body 3.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: and a sealing head 15 is arranged in the communicating and distributing body 1, and the sealing head 15 is used for plugging a through hole in the communicating and distributing body 1. Wherein, the end socket 15 can be a steel ball.

In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: and O-shaped rings 18 are arranged in the charging nozzle 6 and the air discharging nozzle 11. The O-ring 18 enhances the sealing performance of the charging nozzle 6 and the discharging nozzle 11.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A solenoid valve, characterized by: the method comprises the following steps: the device comprises a support framework, an inflation assembly and an air leakage assembly; the support framework is used for supporting an inflation assembly and a deflation assembly, the inflation assembly is used for controlling inflation of the air bag, and the deflation assembly is used for controlling deflation of the air bag;

support skeleton integrated into one piece includes: the device comprises a communication sub-ligand (1), and an inflation valve body (2) and an air release valve body (3) which are respectively arranged on two sides of the communication sub-ligand (1); the communicating and distributing body (1) is internally provided with vent holes which are respectively communicated with the inflating valve body (2) and the air leakage valve body (3), and the communicating and distributing body (1) is provided with an air inlet (4) communicated with the outside;

the inflation assembly is arranged in the inflation valve body (2) and is used for controlling a gas path passage between the inflation valve body (2) and the communicating distribution body (1); the air leakage assembly is arranged in the air leakage valve body (3) and is used for controlling an air path passage between the air leakage valve body (3) and the communication sub-assembly (1).

2. A solenoid valve as claimed in claim 1, wherein: the inflation assembly includes: the first electromagnetic coil (19), the inflation valve core (5) and the inflation nozzle (6) are arranged on the outer side of the support framework; the inflation nozzle (6) is arranged on one side relatively far away from the communication sub-assembly (1), one end of the inflation nozzle extends out of the inflation valve body (2), a first rubber cap (7) is arranged between the inflation valve core (5) and the communication sub-assembly (1), a first spring (8) is arranged between the inflation nozzle (6) and the inflation valve body (2), and a first rubber block (9) is arranged between the inflation nozzle (6) and the inflation valve core (5); one end of the inflating nozzle (6) relatively close to the communicating and distributing body (1) is provided with a vent groove, and one end of the inflating nozzle relatively far away from the communicating and distributing body (1) is used for connecting an air bag; after the first electromagnetic coil is electrified, the inflation valve core (5) moves to be attracted with the inflation nozzle (6) and extrudes the first spring (8), so that the air inlet (4) is communicated with the air passage of the inflation nozzle (6).

3. A solenoid valve as claimed in claim 1, wherein: the run-flat subassembly includes: the second electromagnetic coil (20), the air release valve core (10) and the air release nozzle (11) are arranged on the outer side of the supporting framework; the air release nozzle (11) is arranged on one side relatively far away from the communicating distribution body (1), a second rubber cap (12) is arranged between the air release valve core (10) and the communicating distribution body (1), a second spring (13) is arranged between the air release nozzle (11) and the air release valve body (3), and a second rubber block (14) is arranged between the air release nozzle (11) and the air release valve core (10); one end of the air leakage nozzle (11) relatively close to the communication sub-ligand (1) is provided with a vent groove, and one end of the air leakage nozzle relatively far away from the communication sub-ligand (1) is used for air leakage; and after the second electromagnetic coil (20) is electrified, the air release valve core (10) moves to be attracted with the air release nozzle (11) and extrudes the second spring (13), so that the air charging nozzle (6) is communicated with the air passage of the air release nozzle (11) through the communicating distributing body (1).

4. A solenoid valve as claimed in claim 1, wherein: the communication distributing body (1) is respectively provided with an inflation channel communicated with the inflation assembly and an air leakage channel communicated with the air leakage assembly; the inflation channel is communicated with the air inlet (4) and is used for inflating the air bag, and the air leakage channel is used for leaking air of the air bag.

5. A solenoid valve according to any one of claims 1 to 3, wherein: all be equipped with U indisputable (16) and several contact pin (17) on inflating valve body (2) and the valve body of disappointing (3), U indisputable (16) are used for increasing magnetic flux and fixed charging connector (6) and disappointing mouth (11), contact pin (17) are connected with first solenoid (19) and second solenoid (20) respectively.

6. A solenoid valve according to claim 5, wherein: the inflation nozzle (6) is in interference fit with the inflation valve body (2), and the air leakage nozzle (11) is in interference fit with the air leakage valve body (3).

7. A solenoid valve as claimed in claim 1, wherein: an end enclosure (15) is arranged in the communication sub-assembly (1), and the end enclosure (15) is used for plugging a through hole in the communication sub-assembly (1).

8. A solenoid valve according to claim 5, wherein: and O-shaped rings (18) are arranged in the inflating nozzle (6) and the air release nozzle (11).