Pump and valve integrated structure

Abstract

The utility model discloses a pump-valve integrated structure, which relates to the technical field of automobile seats and comprises an air pump body, an air pump circuit board, an electromagnetic valve and an electromagnetic valve circuit board, an air pump air outlet is arranged at a first end of the air pump body, the air pump circuit board is fixedly arranged at a second end of the air pump body, and the air pump circuit board is in communication connection with the electromagnetic valve circuit board. The electromagnetic valve and the electromagnetic valve circuit board are both fixedly arranged at the first end of the air pump body, an air inlet of the electromagnetic valve is fixedly connected and communicated with an air outlet of the air pump, the electromagnetic valve circuit board is in communication connection with the electromagnetic valve, the electromagnetic valve circuit board is in communication connection with the controller, and the controller can control the air pump body and the electromagnetic valve to work. The pump and valve integrated structure is compact in structure, and the size can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, in particular to a pump-valve integrated structure. Background Art

[0002] The lumbar support and massage of the seat are important functions of automobile comfort, and the air pump assembly is an important component to achieve the lumbar support and massage functions. With the increase in the number of cars and the improvement of living standards, people pay more and more attention to the driving comfort of cars. For this reason, automobile engineers configure various auxiliary functions on the seats, resulting in less and less available space inside the car seat.

[0003] In order to install more functional components inside the seat to achieve more functions, how to reduce the volume of the air pump assembly has become a difficult problem that needs to be solved urgently. Utility Model Content

[0004] The utility model aims to provide a pump-valve integrated structure to solve the problems existing in the above-mentioned prior art, with a compact structure and the ability to effectively reduce the volume.

[0005] To achieve the above purpose, the utility model provides the following solutions:

[0006] The utility model provides a pump-valve integrated structure, including an air pump body, an air pump circuit board, a solenoid valve and a solenoid valve circuit board, an air pump air outlet is provided on the first end of the air pump body, the air pump circuit board is fixedly arranged on the second end of the air pump body, the air pump circuit board is communicatively connected with the solenoid valve circuit board, the solenoid valve and the solenoid valve circuit board are both fixedly arranged on the first end of the air pump body, the air inlet of the solenoid valve is fixedly connected and communicated with the air pump outlet, the solenoid valve circuit board is communicatively connected with the solenoid valve, the solenoid valve circuit board is communicatively connected with the controller, and the controller can control the operation of the air pump body and the solenoid valve.

[0007] Preferably, it also includes an air pump protective shell and a solenoid valve protective shell, the air pump protective shell is fixedly arranged on the second end of the air pump body, the air pump circuit board is placed in the space enclosed by the air pump protective shell and the second end of the air pump body, the solenoid valve protective shell is fixedly arranged on the first end of the air pump body, and the solenoid valve and the solenoid valve circuit board are placed in the space enclosed by the solenoid valve protective shell and the first end of the air pump body.

[0008] Preferably, a plurality of wedges are provided on the first end of the air pump body, and each of the wedges can be snap-fitted with the solenoid valve protective shell.

[0009] Preferably, the air pump circuit board is connected to the solenoid valve circuit board via a wiring harness, and a pin is provided on the solenoid valve circuit board, and the pin is used to connect to the controller.

[0010] Preferably, an oblique opening slot is provided on the first end of the air pump body, and the oblique opening slot enables the wire harness to pass through.

[0011] Preferably, two baffles are provided on the first end of the air pump body, and the two baffles can be clamped with the solenoid valve circuit board.

[0012] Preferably, the air pump body includes a motor lower cover, an air pump motor, a motor upper cover, an eccentric shaft, a connecting piece, an intermediate shell, an air pump cylinder rubber piece, an air pump diaphragm and an air pump upper shell, the motor lower cover is fixedly arranged at one end of the air pump motor, the motor lower cover is used to carry the air pump circuit board, the motor upper cover is fixedly arranged at the other end of the air pump motor, one end of the eccentric shaft is fixedly connected to the motor shaft of the air pump motor, an eccentric hole is provided on the other end of the eccentric shaft, the connecting piece is provided with a plug-in shaft, the plug-in shaft is used to be inserted into the eccentric hole, the air pump cylinder rubber piece is hinged to the connecting piece, and the motor shaft of the air pump motor can rotate The air pump cylinder rubber part can be driven to move upward or downward, and the air pump cylinder rubber part discharges air when it moves upward, and takes in air when it moves downward; the intermediate shell is placed between the motor upper cover and the air pump cylinder rubber part, and the intermediate shell is used to accommodate the air pump cylinder rubber part; the air pump upper shell is used to carry the solenoid valve and the solenoid valve circuit board; the air pump diaphragm is placed between the air pump upper shell and the air pump cylinder rubber part, and an air inlet sealing diaphragm and an air outlet sealing diaphragm are laid on the air pump diaphragm. When taking in air, the air inlet sealing diaphragm can be opened unidirectionally, and when exhausting air, the air outlet sealing diaphragm can be opened unidirectionally.

[0013] Preferably, the air pump body further comprises a clamp, and the clamp can clamp the air pump upper shell, the air pump diaphragm, the intermediate shell and the motor upper cover in sequence.

[0014] Preferably, the air pump body further comprises screws, and the screws are used to fix the air pump motor to the motor upper cover.

[0015] Compared with the prior art, the utility model has achieved the following technical effects:

[0016] The pump-valve integrated structure provided by the utility model combines the air pump body, the air pump circuit board, the solenoid valve and the solenoid valve circuit board into one, has a simple structure, good reliability, low cost, highly integrated design, small size, and easy installation, which not only saves most of the space occupied, but also makes the operation simpler and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the pump-valve integrated structure provided by the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of an air pump body in FIG.

[0020] Figure 3 for Figure 1 A cross-sectional view of an air pump body in FIG.

[0021] Figure 4 A schematic diagram of a first end of an air pump body;

[0022] Figure 5 for Figure 1 Exploded view of the air pump body;

[0023] In the figure: 1-air pump body, 2-air pump circuit board, 3-solenoid valve, 4-solenoid valve circuit board, 5-air pump outlet, 6-air pump protective shell, 7-wedge block, 8-oblique opening groove, 9-wiring harness, 10-baffle, 11-motor lower cover, 12-air pump motor, 13-motor upper cover, 14-eccentric shaft, 15-connector, 16-middle shell, 17-air pump cylinder rubber part, 18-air pump diaphragm plate, 19-air pump upper shell, 20-clamp, 21-screw. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model aims to provide a pump-valve integrated structure to solve the problems existing in the above-mentioned prior art, with a compact structure and the ability to effectively reduce the volume.

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] like Figure 1-5 As shown, the utility model provides a pump-valve integrated structure, including an air pump body 1, an air pump circuit board 2, a solenoid valve 3 and a solenoid valve circuit board 4. An air pump air outlet 5 is provided on the first end of the air pump body 1, the air pump circuit board 2 is fixedly arranged on the second end of the air pump body 1, the air pump circuit board 2 is communicatively connected with the solenoid valve circuit board 4, the solenoid valve 3 and the solenoid valve circuit board 4 are both fixedly arranged on the first end of the air pump body 1, the air inlet of the solenoid valve 3 is fixedly connected and communicated with the air pump outlet 5, the solenoid valve circuit board 4 is communicatively connected with the solenoid valve 3, the solenoid valve circuit board 4 is communicatively connected with the controller, and the controller can control the operation of the air pump body 1 and the solenoid valve 3.

[0028] The pump-valve integrated structure provided by the utility model combines the air pump body 1, the air pump circuit board 2, the solenoid valve 3 and the solenoid valve circuit board 4 into one, has a simple structure, good reliability, low cost, highly integrated design, small size, and easy installation, which not only saves most of the space occupied, but also makes the operation simpler and more convenient.

[0029] Furthermore, the pump-valve integrated structure provided by the utility model also includes an air pump protective shell 6 and a solenoid valve protective shell. The air pump protective shell 6 is fixedly arranged on the second end of the air pump body 1, and the air pump circuit board 2 is placed in the space surrounded by the air pump protective shell 6 and the second end of the air pump body 1 to protect the air pump circuit board 2 and reduce the possibility of damage caused by the air pump circuit board 2 being exposed to the outside. The solenoid valve protective shell is fixedly arranged on the first end of the air pump body 1, and the solenoid valve 3 and the solenoid valve circuit board 4 are placed in the space surrounded by the solenoid valve protective shell and the first end of the air pump body 1 to protect the solenoid valve 3 and the solenoid valve circuit board 4 and reduce the possibility of damage caused by the solenoid valve 3 and the solenoid valve circuit board 4 being exposed to the outside.

[0030] Furthermore, a plurality of wedge blocks 7 are provided on the first end of the air pump body 1, and each wedge block 7 can be snap-fitted with the electromagnetic valve protection shell, so that the structure is simple and the installation is convenient.

[0031] Furthermore, the air pump circuit board 2 is communicatively connected with the solenoid valve circuit board 4 via a wiring harness 9. A pin is provided on the solenoid valve circuit board 4, and the pin is used to connect with the controller, so as to facilitate the quick connection between the controller and the solenoid valve circuit board 4. The controller connects the pin to simultaneously command the air pump body 1 and the solenoid valve 3, so that the air pump body 1 and the solenoid valve 3 cooperate perfectly.

[0032] Furthermore, an oblique opening groove 8 is provided on the first end of the air pump body 1, and the oblique opening groove 8 can allow the wiring harness 9 to pass through, so as to facilitate the connection between the air pump circuit board 2 and the solenoid valve circuit board 4 through the wiring harness 9. The controller controls the solenoid valve 3 and the air pump body 1 at the same time, saving space and making the operation of the solenoid valve 3 and the air pump body 1 more convenient and simple.

[0033] Furthermore, two baffles 10 are provided on the first end of the air pump body 1. The two baffles 10 can be snapped into the solenoid valve circuit board 4, so that the solenoid valve circuit board 4 can be fixed without deviation or shaking. The structure is simple and the installation is convenient. It should be noted that the number of baffles 10 is not limited to two and can be adjusted according to actual installation requirements.

[0034] Furthermore, the air pump body 1 includes a motor lower cover 11, an air pump motor 12, a motor upper cover 13, an eccentric shaft 14, a connecting piece 15, an intermediate shell 16, an air pump cylinder rubber piece 17, an air pump diaphragm plate 18 and an air pump upper shell 19. The motor lower cover 11 is fixedly arranged at one end of the air pump motor 12, the motor lower cover 11 is used to carry the air pump circuit board 2, the motor upper cover 13 is fixedly arranged at the other end of the air pump motor 12, one end of the eccentric shaft 14 is fixedly connected to the motor shaft of the air pump motor 12, the other end of the eccentric shaft 14 is provided with an eccentric hole, and the connecting piece 15 has a plug-in shaft, which is used to be inserted into the eccentric hole Inside, the air pump cylinder rubber part 17 is hinged with the connecting part 15, and the eccentric shaft 14 is driven to rotate by the air pump motor 12. The rotation of the eccentric shaft 14 drives the connecting part 15 to rotate eccentrically. During the eccentric rotation of the connecting part 15, the air pump cylinder rubber part 17 moves downward when pulled by the connecting part 15, and moves upward when squeezed by the connecting part 15. When the air pump cylinder rubber part 17 moves upward, air is discharged, and when the air pump cylinder rubber part 17 moves downward, air is taken in; the intermediate shell 16 is placed between the motor upper cover 13 and the air pump cylinder rubber part 17, and the intermediate shell 16 is used to accommodate the air pump cylinder rubber part 17. ; The air pump upper shell 19 is used to carry the solenoid valve 3 and the solenoid valve circuit board 4; the air pump diaphragm plate 18 is placed between the air pump upper shell 19 and the air pump cylinder rubber part 17, and the air pump diaphragm plate 18 is provided with an air inlet sealing diaphragm and an air outlet sealing diaphragm. When air is inletted, the air inlet sealing diaphragm can be opened in one direction, and when air is out, the air outlet sealing diaphragm can be opened in one direction. The diaphragm type air pump body 1 is adopted, which has low noise and large air volume; when the air pump body 1 is working, air enters from the air inlet, and through internal compression, high-pressure gas is formed at the air pump outlet 5, so that the air pump body 1 supplies air, and the gas is sent to the solenoid valve 3, and then from The air pressure is transported from the solenoid valve 3 to the air bag to realize the massage function of the lumbar support; as a more preferred implementation method of this embodiment, the air pipe joint between the solenoid valve 3 and the air bag adopts a snap-on design, which is firmly fixed and not easy to fall off; an independent pressure-limiting valve is also arranged on the air pump body 1, which automatically releases pressure when the air pressure is too high, thereby reducing the working intensity of the solenoid valve 3, improving product quality, and extending service life; the outer shell of the air pump body 1 increases heat dissipation structures such as fins, which effectively reduce the temperature of the solenoid valve 3 during use and increase product life; the controller is directly controlled by mechanical buttons instead of complex control components such as CPU, and the electrical cost is low.

[0035] Furthermore, the air pump body 1 also includes a clamp 20, which can clamp the air pump upper shell 19, the air pump diaphragm plate 18, the middle shell 16 and the motor upper cover 13 in sequence, with a simple structure and convenient disassembly and assembly.

[0036] Furthermore, the air pump body 1 further comprises screws 21, and the screws 21 are used to fix the air pump motor 12 and the motor upper cover 13, and the structure is simple and the disassembly and assembly are convenient.

[0037] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A pump-valve integrated structure, characterized in that: It includes an air pump body, an air pump circuit board, a solenoid valve and a solenoid valve circuit board. The first end of the air pump body is provided with an air pump outlet. The air pump circuit board is fixedly arranged on the second end of the air pump body. The air pump circuit board is communicatively connected with the solenoid valve circuit board. The solenoid valve and the solenoid valve circuit board are both fixedly arranged on the first end of the air pump body. The air inlet of the solenoid valve is fixedly connected and communicated with the air pump outlet. The solenoid valve circuit board is communicatively connected with the solenoid valve. The solenoid valve circuit board is communicatively connected with the controller. The controller can control the operation of the air pump body and the solenoid valve.

2. The pump-valve integrated structure according to claim 1, characterized in that: It also includes an air pump protective shell and a solenoid valve protective shell, the air pump protective shell is fixedly arranged on the second end of the air pump body, the air pump circuit board is placed in the space surrounded by the air pump protective shell and the second end of the air pump body, the solenoid valve protective shell is fixedly arranged on the first end of the air pump body, the solenoid valve and the solenoid valve circuit board are placed in the space surrounded by the solenoid valve protective shell and the first end of the air pump body.

3. The pump-valve integrated structure according to claim 2, characterized in that: A plurality of wedge blocks are arranged on the first end of the air pump body, and each of the wedge blocks can be clamped with the solenoid valve protection shell.

4. The pump-valve integrated structure according to claim 2, characterized in that: The air pump circuit board is connected to the solenoid valve circuit board through a wiring harness communication, and a pin is provided on the solenoid valve circuit board, and the pin is used to connect to the controller.

5. The pump-valve integrated structure according to claim 4, characterized in that: An oblique opening slot is provided on the first end of the air pump body, and the oblique opening slot enables the wire harness to pass through.

6. The pump-valve integrated structure according to claim 1, characterized in that: Two baffles are arranged on the first end of the air pump body, and the two baffles can be clamped with the solenoid valve circuit board.

7. The pump-valve integrated structure according to claim 1, characterized in that: The air pump body comprises a motor lower cover, an air pump motor, a motor upper cover, an eccentric shaft, a connecting piece, an intermediate shell, an air pump cylinder rubber piece, an air pump diaphragm and an air pump upper shell, the motor lower cover is fixedly arranged at one end of the air pump motor, the motor lower cover is used to carry the air pump circuit board, the motor upper cover is fixedly arranged at the other end of the air pump motor, one end of the eccentric shaft is fixedly connected to the motor shaft of the air pump motor, an eccentric hole is provided on the other end of the eccentric shaft, the connecting piece is provided with a plug-in shaft, the plug-in shaft is used to be inserted into the eccentric hole, the air pump cylinder rubber piece is hinged to the connecting piece, and the motor shaft of the air pump motor can be driven by the rotation The air pump cylinder rubber part is driven to move upward or downward, and the air pump cylinder rubber part discharges air when it moves upward, and takes in air when it moves downward; the intermediate shell is placed between the motor upper cover and the air pump cylinder rubber part, and the intermediate shell is used to accommodate the air pump cylinder rubber part; the air pump upper shell is used to carry the solenoid valve and the solenoid valve circuit board; the air pump diaphragm is placed between the air pump upper shell and the air pump cylinder rubber part, and an air inlet sealing diaphragm and an air outlet sealing diaphragm are laid on the air pump diaphragm. When taking in air, the air inlet sealing diaphragm can be opened unidirectionally, and when exhausting air, the air outlet sealing diaphragm can be opened unidirectionally.

8. The pump-valve integrated structure according to claim 7, characterized in that: The air pump body also includes a clamp, which can clamp the air pump upper shell, the air pump diaphragm, the middle shell and the motor upper cover in sequence.

9. The pump-valve integrated structure according to claim 8, characterized in that: The air pump body also includes screws, and the screws are used to fix the air pump motor to the motor upper cover.

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