CN211599627U - Solenoid valve assembly and car seat - Google Patents
Solenoid valve assembly and car seat Download PDFInfo
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- CN211599627U CN211599627U CN201921954437.3U CN201921954437U CN211599627U CN 211599627 U CN211599627 U CN 211599627U CN 201921954437 U CN201921954437 U CN 201921954437U CN 211599627 U CN211599627 U CN 211599627U
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Abstract
The application discloses solenoid valve subassembly and car seat. The electromagnetic valve assembly comprises a first electromagnetic valve and a second electromagnetic valve; a radial pressure measuring port is arranged at the joint of the first electromagnetic valve and the second electromagnetic valve, a pressure sensor is tightly attached to the end part of the pressure measuring port, and the tightly attached part is sealed; the first electromagnetic valve adjusting cavity is connected with the second electromagnetic valve air inlet cavity through a hollow air tap, and the first electromagnetic valve adjusting cavity is communicated with a first air outlet of the first electromagnetic valve adjusting cavity; the side wall of the air tap is provided with a flow guide port communicated with the pressure measuring port; a solenoid valve subassembly can realize aerifing and the function of disappointing, pressure sensor is integrated on solenoid valve subassembly, when not only aerifing, pressure sensor detect with by the gas circuit pressure of aerifing of gas bag intercommunication, also can detect when disappointing with by the gas circuit pressure of disappointing of gas bag intercommunication, make solenoid valve subassembly integrated degree high, can accurately detect by the pressure in the gas bag, solved and led to losing gas leakage, fragile, difficult installation, the complicated problem of structure because of installation pressure sensor by the gas bag.
Description
Technical Field
The present disclosure generally relates to the technical field of automobile parts, and particularly relates to a solenoid valve assembly and an automobile seat.
Background
In order to improve the comfort of the vehicle seat, a pneumatic comfort system is installed on part of the vehicle seat. At present, in the existing pneumatic comfort system, in the system structure which can realize the functions of starting, stopping and memorizing, such as waist support, side wing, cushion soft and hard adjustment, the air bag is externally connected with an air pressure sensor to detect the internal pressure of the air bag. The air leakage protection device has the problems of complex structure, difficult installation and high air leakage risk. Therefore, improvements in the existing structure are desired.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a solenoid valve assembly and a vehicle seat that are simple in structure, easy to install, and capable of avoiding air leakage compared to the prior art.
In a first aspect, the present application provides a solenoid valve assembly comprising: a first solenoid valve and a second solenoid valve; a pressure measuring port is arranged at the joint of the first electromagnetic valve and the second electromagnetic valve, a pressure sensor is tightly attached to the end part of the pressure measuring port, and the tightly attached part of the pressure measuring port is sealed;
the adjusting cavity of the first electromagnetic valve is connected with the air inlet cavity of the second electromagnetic valve through a hollow air tap, and the adjusting cavity of the first electromagnetic valve is communicated with a first air outlet of the first electromagnetic valve; the side wall of the air tap is provided with a flow guide port communicated with the pressure measuring port, and the flow guide port is used for keeping the first air outlet and the pressure measuring port smooth.
According to the technical scheme provided by the embodiment of the application, the flow guide port can ensure that the pressure measuring port is communicated with the gas path at the first gas outlet in an inflation, deflation or pressure maintaining state; the flow guide opening is formed at the end part of the air tap or at the position of the first electromagnetic valve cavity body; and the diversion opening is at least provided with one.
According to the technical scheme provided by the embodiment of the application, the first electromagnetic valve and the second electromagnetic valve are both two-position two-way electromagnetic valves.
According to the technical scheme provided by the embodiment of the application, the first electromagnetic valve is used as an inflation electromagnetic valve, an air inlet of the first electromagnetic valve is used for being connected with an air source, and an inflation plug is installed at a first air outlet of the first electromagnetic valve and used for being connected with an air bag;
the second solenoid valve is used as an air release solenoid valve, and an air release port of the second solenoid valve is used for discharging air in the air bag.
According to the technical scheme provided by the embodiment of the application, the valve core of the first electromagnetic valve is of a spline structure or a flat structure, and an air flow channel for communicating the air inlet cavity and the adjusting cavity of the valve core is formed between the side wall of the valve core and the inner wall of the cavity of the first electromagnetic valve.
According to the technical scheme provided by the embodiment of the application, the electromagnetic valve control device further comprises a controller, and the controller is configured to receive the pressure signal of the pressure sensor and control the first electromagnetic valve and the second electromagnetic valve to be switched on or off according to the signal of the pressure sensor.
According to the technical scheme provided by the embodiment of the application, the first electromagnetic valve is fixedly connected with the second electromagnetic valve.
According to the technical scheme provided by the embodiment of the application, the electromagnetic valve assemblies are at least one group and are integrally fixed on the controller.
In a second aspect, the present application provides a car seat, the car seat on install the solenoid valve subassembly, the waist of car seat holds in the palm air pocket and/or flank air pocket or hardness regulation gasbag by the solenoid valve subassembly is aerifyd or is lost air.
To sum up, the beneficial effect of this application:
in the technical scheme of the application, the electromagnetic valve assembly comprises a first electromagnetic valve and a second electromagnetic valve; a radial pressure measuring port is arranged at the joint of the first electromagnetic valve and the second electromagnetic valve, and a pressure sensor is hermetically arranged in the pressure measuring port; the adjusting cavity of the first electromagnetic valve is connected with the air inlet cavity of the second electromagnetic valve through a hollow air tap, and the adjusting cavity of the first electromagnetic valve is communicated with a first air outlet of the first electromagnetic valve; a flow guide port communicated with the pressure measuring port is formed in the side wall of the air tap; above-mentioned technical scheme not only can realize aerifing and the function of disappointing on a solenoid valve subassembly, and realized integrating pressure sensor on solenoid valve subassembly, not only make when aerifing, pressure sensor detectable and by the pressure on the gas pocket is inflated to the quilt of gas pocket intercommunication, also can detect when disappointing with by the pressure on the gas pocket way of disappointing of gas pocket intercommunication, make the solenoid valve subassembly integrated degree that this application provided high, but accurate detection is by the pressure in the gas pocket, the problem of being lost air leakage that leads to by the gas pocket because of installation pressure sensor has been solved, fragile, difficult installation, the problem of structure complicacy. In the technical scheme, the functions of the first electromagnetic valve and the second electromagnetic valve are interchangeable, and the universality is high.
According to the technical scheme that this application embodiment provided, still further provide the pump valve module that has integrateed at least one above-mentioned solenoid valve subassembly for the pump valve module that this application provided can provide the air supply for a plurality of inflatable bag body and realize simultaneously the detection and the independent control to a plurality of inflatable bag internal gas pressure.
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 structural view of a solenoid valve assembly in an uninflated or pressure-maintaining state of an airbag.
Fig. 2 is a schematic structural diagram of the solenoid valve assembly during inflation.
FIG. 3 is a schematic diagram of the solenoid operated valve assembly when deflated.
Fig. 4 is a schematic structural view of a first diversion opening.
Fig. 5 is a schematic structural view of a second diversion opening.
FIG. 6 is a partial cross-sectional view of a solenoid operated valve assembly.
Fig. 7 is a schematic structural view of the solenoid valve assembly.
Fig. 8 is a schematic structural view of the solenoid valve assembly.
FIG. 9 is a side view of the controller and the valve body.
Fig. 10 is a front view of the controller and the valve body.
Fig. 11 is an isometric side view of the controller and valve body.
Reference numbers in the figures: 10. a first solenoid valve; 20. a second solenoid valve; 30. a pressure measuring port; 40. a pressure sensor; 50. an air tap; 70. a valve core; 80. an air inlet; 90. a controller; 100. u-shaped iron; 110. a framework; 120. a flow guide port; 11. a first air inlet; 12. a first air outlet; 13. a first silica gel cap; 14. a first valve spool; 15. a second silica gel cap; 16. a first air intake chamber; 17. a first regulating chamber; 18. a plug; 19. a plug; 21. a second air intake chamber; 22. a second regulating chamber; 23. an air escape opening; 24. a second air inlet; 25. a second valve core; 26. self-tapping screw; 27. a gasket; 130. and (7) welding points.
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
Please refer to fig. 1, which illustrates a schematic structural diagram of a solenoid valve assembly provided in the present application, including: the first electromagnetic valve 10 and the second electromagnetic valve 20 are fixedly connected; a pressure measuring port 30 is arranged at the joint of the first electromagnetic valve 10 and the second electromagnetic valve 20, a pressure sensor 40 is tightly attached to the end of the pressure measuring port 30, and the tightly attached part is sealed;
the adjusting cavity of the first electromagnetic valve 10 is connected with the air inlet cavity of the second electromagnetic valve 20 through a hollow air tap 50, and the adjusting cavity of the first electromagnetic valve 10 is kept communicated with the first air outlet 12 thereof; a flow guide opening 120 communicated with the pressure measuring opening 30 is formed in the side wall of the air faucet 50, and the flow guide opening 120 is used for keeping the first air outlet 12 and the pressure measuring opening 30 unblocked.
The first solenoid valve 10 and the second solenoid valve 20 are two-position two-way solenoid valves, the first solenoid valve 10 is an inflation solenoid valve, the second solenoid valve 20 is an air release solenoid valve, and the flow guide port 120 can ensure that the pressure measuring port 30 is communicated with an air path at the first air outlet 12 in an inflation, air release or pressure maintaining state; the diversion opening 120 is opened at the end of the gas nozzle 50 or at the cavity of the first solenoid valve 10, and the diversion opening 120 is opened at the end of the gas nozzle 50 in a shape, which is not limited herein, optionally in a straight shape, a cross shape or a meter shape, and in other embodiments, in other shapes; the shape of the opening of the first solenoid valve 10 at the cavity position is not limited herein, and may alternatively be rectangular, circular or triangular, and may be other shapes in other embodiments; at least one diversion opening 120 is formed;
as shown in fig. 1, 2 and 3, the left end of the cavity of the first electromagnetic valve 10 is a first air inlet 11, and the left upper end is a first air outlet 12; a first silica gel cap 13, a first valve core 14 and a second silica gel cap 15 are sequentially arranged in the cavity from left to right; a first air inlet cavity 16 is formed between the first silica gel cap 13 and the left end of the cavity, a first adjusting cavity 17 is formed between the second silica gel cap 15 and the right end of the cavity, and at the moment, the pressure measuring port 30 forms a passage with the air of the first air outlet 12 through the air tap 50, the air guide port 120 (or the first adjusting cavity 17) and a gap between the valve core 14 and the cavity, so that the pressure value of the first air outlet 12 can be detected; when the first electromagnetic valve 10 is powered on, the first silica gel cap 13 moves to the right along with the first valve core 14, the air inlet cavity 16 conducts the first air inlet 11 with the first air outlet 12, so that the inflation function is realized, the second silica gel cap 15 moves to the right along with the valve core 14, when the second silica gel cap 15 contacts with the end face of the air faucet 50, at this time, the first adjusting cavity 17 cannot conduct air flow, the air flow conduction can be realized through the air guide port 120 on the air faucet 50, the pressure measuring port 30 forms a passage with the first air outlet 12 through a gap between the valve core 14 and the cavity of the air faucet 50 and the air guide port 120, the pressure value of the first air outlet 12 can be detected, at this time, the pressure detected by the pressure sensor 40 is consistent with the pressure of the first air outlet 12, namely consistent with the pressure in the inflated bag, so that the detection of the air; the structure of the first electromagnetic valve 10 is the same, the left end of the cavity of the second electromagnetic valve 20 is a second air inlet cavity 21, the right end is a second adjusting cavity 22, the left upper end of the second electromagnetic valve 20 is provided with an air leakage port 23, and the left lower end is provided with a second air inlet 24; the hollow air tap 50 conducts the first adjusting cavity 17 and the second air inlet cavity 21; when the second electromagnetic valve 20 is powered on, the second valve core 25 of the second electromagnetic valve 20 moves rightwards, the first silica gel cap (13) of the second electromagnetic valve (20) moves rightwards, the second air inlet (24) is opened, and air in the air bag is conducted to the second air inlet 24 through the gap of the first electromagnetic valve 10 and is discharged from the air leakage port 23 to realize air leakage; meanwhile, as the second air inlet cavity 21 is communicated with the pressure measuring port 30 through the air tap 50, the pressure detected by the pressure sensor 40 is consistent with the pressure of the second air inlet 24 and the first air outlet 12, namely the pressure in the inflated bag, so that the pressure in the air bag can be detected in the air leakage process.
Therefore, the technical scheme of the embodiment not only realizes inflation and deflation on one solenoid valve assembly, but also can realize the pressure maintaining function when the first solenoid valve 10 and the second solenoid valve 20 are simultaneously turned off, and also realizes the pressure detection during inflation and deflation through the pressure sensor 40 integrated at the joint of the two solenoid valves, and in combination with the above, the pressure of the pressure measuring port 30 and the air bag is always the same no matter in the inflation, deflation or pressure maintaining state; in addition, the device has simple structure and easy realization, and avoids the air leakage problem of the inflated bag.
In this embodiment, the regulating cavity (i.e. the first regulating cavity 17) of the first solenoid valve 10 and the first air outlet 12 thereof are kept in conduction in the following manners:
the valve core (i.e. the first valve core 14) of the first electromagnetic valve 10 is of a spline structure or a flat structure, and an air flow channel for communicating an air inlet cavity and a regulating cavity of the first electromagnetic valve 10 is formed between the side wall of the first valve core 14 and the inner wall of the cavity of the first electromagnetic valve 10 through the spline structure;
in other embodiments, the first adjustment cavity 17 may be communicated with the first outlet 12, for example, a through groove may be formed on a side wall of the first valve element 14;
in this embodiment, the first solenoid valve 10 and the second solenoid valve 20 are fixedly connected by inserting, and in other embodiments, other connection methods such as welding, injection molding, and the like may be adopted.
In a preferred embodiment, the controller 90 is further included, the controller 90 is configured to receive a pressure signal of the pressure sensor 40, and control the first solenoid valve 10 and the second solenoid valve 20 to be turned on or off according to the signal of the pressure sensor 40, the controller 90 is a microprocessor such as a single chip microcomputer or an ARM, the pressure sensor 40 is a piezoresistive pressure sensor or a MEMS pressure sensor, for example, the first set pressure is an inflation upper limit pressure value, and the second set pressure is a deflation lower limit pressure value; in the inflation stage, when the controller 90 determines that the pressure in the air bag is greater than or equal to the first set pressure according to the signal of the pressure sensor 40, the first electromagnetic valve 10 is powered off, and the inflation is stopped; in the deflation stage, when the controller 90 determines that the pressure in the air bag is less than or equal to the second set pressure through the signal of the pressure sensor 40, the second solenoid valve 20 is powered off, and the deflation is stopped. In the embodiment, the controller 90 and the solenoid valve assembly are further integrated on one PCB, so that the integration level of the device is further improved, and the structure and installation are simplified; the valve body can be electrically connected with the PCB board through the welding spots 130 on the PCB board, and has the function of fixing and positioning the valve body.
As shown in fig. 6 and 7, in the present embodiment, the pressure sensor 40 and the pressure measuring port 30 are sealed by the sealing gasket 27; in other embodiments, the pressure sensor 40 and the pressure measuring port 30 may be sealed by other sealing methods such as a sealant; the pressure sensor 40 is mounted in the containing cavity in a sealing manner, optionally, by screw locking or welding hot melting, and the specific manner of screw locking is as follows: the pressure sensor 40 can be fixed in the containing cavity through the self-tapping screw 26; the specific mode of welding hot melting is as follows: the inner wall of the containing cavity is provided with at least two protruding structures, after the sealing gasket 27 and the pressure sensor 40 are sequentially placed in the containing cavity, the protruding structures penetrate through corresponding openings of the PCB, and the protrusions are deformed to be larger than the openings of the PCB in a hot melting mode, so that fixation is realized.
In a preferred embodiment, the solenoid valve assemblies are at least one group, as shown in fig. 3, and comprise a plurality of solenoid valve assemblies and an air pump or a vehicle body air source in the first embodiment; at the moment, the air pump or the vehicle body air source supplies air to the electromagnetic valve assemblies simultaneously, and each electromagnetic valve assembly can supply air or release air to different air bags; the integration level of air source control is further improved.
Example two
As shown in fig. 9, 10 and 11, the present embodiment provides a car seat, the above-mentioned solenoid valve assembly is installed on the car seat, the waist support airbag and/or the side wing airbag or the hardness adjusting airbag of the car seat is inflated or deflated by the solenoid valve assembly, and the car seat in this embodiment realizes the centralized pressure adjustment and control of different comfort adjusting components.
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 (9)
1. A solenoid valve assembly, comprising: a first solenoid valve (10) and a second solenoid valve (20); a pressure measuring port (30) is arranged at the joint of the first electromagnetic valve (10) and the second electromagnetic valve (20), a pressure sensor (40) is tightly attached to the end part of the pressure measuring port (30), and the tightly attached part is sealed;
the adjusting cavity of the first electromagnetic valve (10) is connected with the air inlet cavity of the second electromagnetic valve (20) through a hollow air tap (50), and the adjusting cavity of the first electromagnetic valve (10) is communicated with a first air outlet (12) of the first electromagnetic valve; the side wall of the air tap (50) is provided with a flow guide opening (120) communicated with the pressure measuring opening (30), and the flow guide opening (120) is used for keeping the first air outlet (12) and the pressure measuring opening (30) smooth.
2. A solenoid valve assembly according to claim 1, characterized in that the pilot port (120) is capable of ensuring that the pressure measuring port (30) communicates with the gas path at the first gas outlet (12) in an inflated, deflated or pressure-retaining state; the diversion port (120) is formed at the end part of the air faucet (50) or at the cavity position of the first electromagnetic valve (10); and the diversion opening (120) is provided with at least one.
3. A solenoid valve assembly according to claim 1, characterized in that said first solenoid valve (10) and said second solenoid valve (20) are both two-position, two-way solenoid valves.
4. A solenoid valve assembly according to claim 3, characterized in that said first solenoid valve (10) is used as an inflation solenoid valve, the inlet (80) of which is adapted to be connected to a gas source, and the first outlet (12) of which is fitted with an inflation plug (18) adapted to be connected to an airbag;
the second solenoid valve (20) is used as an air release solenoid valve, and an air release opening (23) of the second solenoid valve is used for discharging air in the air bag.
5. A solenoid valve assembly according to claim 1, characterized in that the valve core (70) of the first solenoid valve (10) is of a spline structure or a flat structure, and an air flow channel communicating the air inlet chamber and the regulating chamber of the first solenoid valve (10) is formed between the side wall of the valve core (70) and the inner wall of the chamber of the first solenoid valve (10).
6. A solenoid valve assembly according to any one of claims 1 to 5, further comprising a controller (90), wherein the controller (90) is configured to receive a pressure signal from the pressure sensor (40) and to control the first solenoid valve (10) and the second solenoid valve (20) to be switched on or off according to the signal from the pressure sensor (40).
7. A solenoid valve assembly according to any of claims 1 to 5, characterized in that said first solenoid valve (10) and said second solenoid valve (20) are fixedly connected.
8. A solenoid valve assembly according to claim 6, characterized in that said solenoid valve assembly is at least one set and is integrally fixed to said controller (90).
9. A car seat, characterized in that a solenoid valve assembly according to any one of claims 1 to 8 is mounted on the car seat, and a waist support airbag and/or a side wing airbag or a firmness control airbag of the car seat is inflated or deflated by the solenoid valve assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954437.3U CN211599627U (en) | 2019-11-13 | 2019-11-13 | Solenoid valve assembly and car seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921954437.3U CN211599627U (en) | 2019-11-13 | 2019-11-13 | Solenoid valve assembly and car seat |
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| Publication Number | Publication Date |
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| CN211599627U true CN211599627U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921954437.3U Active CN211599627U (en) | 2019-11-13 | 2019-11-13 | Solenoid valve assembly and car seat |
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| CN (1) | CN211599627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135128A (en) * | 2021-05-14 | 2021-07-20 | 东风汽车集团股份有限公司 | Seat with electromagnetic damping adjusting device |
-
2019
- 2019-11-13 CN CN201921954437.3U patent/CN211599627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135128A (en) * | 2021-05-14 | 2021-07-20 | 东风汽车集团股份有限公司 | Seat with electromagnetic damping adjusting device |
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