Constant-pressure air storage device for automobile seat pneumatic system and automobile seat pneumatic system

Abstract

The utility model provides a constant pressure air storage device for an automobile seat pneumatic system and the automobile seat pneumatic system, the constant pressure air storage device comprises a constant pressure assembly, and the constant pressure assembly comprises a shell, an air storage bag and an elastic compression device. The air storage bag is communicated with an automobile seat pneumatic system through an air pipe, and when the internal air pressure of the automobile seat pneumatic system rises, the elastic compression device is extruded by the air storage bag so as to store elastic force; when the internal air pressure of the automobile seat pneumatic system is reduced, the elastic compression device releases elastic force to extrude the air storage bag, so that air is discharged into the automobile seat pneumatic system from the air storage bag, and air is supplemented to the automobile seat pneumatic system. According to the mode, in the inflating process of the air bag, the constant-pressure assembly is used for supplementing air pressure for the air pump, it is guaranteed that the air bag is inflated at the constant inflating speed, and finally the air bag can be fully filled.

Description

Technical Field

[0001] This utility model generally relates to the field of air circuit structure technology, and specifically to a constant pressure air storage device for automotive seat pneumatic systems and an automotive seat pneumatic system. Background Technology

[0002] Many existing car seats have massage functions, which are achieved by repeatedly inflating and deflating airbags installed on the seat. Therefore, existing technology designs an air circuit controller to control the inflation and deflation of the airbags. The working process involves continuous inflation via an air pump, and the air circuit controller controls whether each airbag is connected to the air pump to achieve inflation or deflation.

[0003] However, in existing technologies, air bags are inflated using only an air pump. If the air pump's inflation pressure is fixed, the internal pressure of the air bag increases as gas is added. This reduces the pressure difference between the air bag and the air pump, slows down the gas flow rate, and significantly decreases the inflation rate of the air bag.

[0004] During the inflation process, due to the above-mentioned situations, the air bag often inflates slowly or is difficult to fill completely. Utility Model Content

[0005] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a constant pressure air storage device for automotive seat pneumatic systems and an automotive seat pneumatic system.

[0006] On the one hand, this utility model provides a constant pressure air storage device for a pneumatic system of an automobile seat, including a constant pressure component; the constant pressure component includes:

[0007] A housing, the interior of which has an installation space;

[0008] An air reservoir is disposed within the installation space and is connected to the pneumatic system of the car seat via an air tube.

[0009] An elastic compression device is installed within the installation space and abuts against the outer surface of the air reservoir.

[0010] When the internal air pressure of the car seat pneumatic system increases, the elastic compression device is squeezed by the air reservoir to store elastic force; when the internal air pressure of the car seat pneumatic system decreases, the elastic compression device releases elastic force to squeeze the air reservoir, so that gas is discharged from the air reservoir into the car seat pneumatic system to replenish the air in the car seat pneumatic system.

[0011] According to the technical solution provided by this utility model, the elastic compression device includes:

[0012] An abutment plate is movably installed within the installation space, with one side surface abutting against the air reservoir.

[0013] An elastic element is disposed on the side of the abutment plate away from the air reservoir, and abuts against the inner wall of the housing and the other side surface of the abutment plate, respectively.

[0014] According to the technical solution provided by this utility model, the elastic element includes: at least one spring; one end of the spring abuts against the abutment plate, and the other end abuts against the inner sidewall of the housing.

[0015] According to the technical solution provided by this utility model, the surface of the abutment plate away from the air storage bag has a limiting protrusion; one end of the spring is engaged in the limiting protrusion.

[0016] According to the technical solution provided by this utility model, the limiting protrusion includes: an annular protrusion and a cross protrusion;

[0017] The annular protrusion has a limiting space inside, and the cross protrusion is located within the limiting space; the end of the spring is disposed within the limiting space and is engaged with the cross protrusion.

[0018] According to the technical solution provided by this utility model, a plurality of springs are evenly distributed along the surface of the abutment plate.

[0019] According to the technical solution provided by this utility model, the elastic element includes: a sponge; the sponge abuts against the abutment plate and the inner sidewall of the shell respectively.

[0020] According to the technical solution provided by this utility model, the housing is provided with multiple through holes;

[0021] When the constant pressure component switches between the expansion state and the venting state, the gas in the installation space communicates with the outside gas through the through hole.

[0022] According to the technical solution provided by this utility model, a through groove is formed on the outer surface of the shell, and the through groove communicates with the through hole.

[0023] On the other hand, this utility model provides a pneumatic system for a car seat, including: an air circuit controller and an air pump;

[0024] The air circuit controller, air pump, and constant pressure air storage device for a pneumatic system for an automotive seat as described above are interconnected via air pipes.

[0025] At least one gas-using component is connected to the gas circuit controller; the gas circuit controller is used to control the gas-using component to be filled or defilled; the gas pump is used to supply gas to the gas-using component and the constant pressure gas storage structure.

[0026] The beneficial effects of this utility model are as follows:

[0027] The constant pressure assembly includes a housing, an air reservoir, and an elastic compression device. The air reservoir is connected to the car seat pneumatic system via an air tube. When the internal air pressure of the car seat pneumatic system increases, the elastic compression device is compressed by the air reservoir to store elastic force. When the internal air pressure of the car seat pneumatic system decreases, the elastic compression device releases its elastic force to compress the air reservoir, causing gas to be discharged from the air reservoir into the car seat pneumatic system to replenish the system's air pressure. This method allows the constant pressure assembly to supplement the air pump during airbag inflation, ensuring a constant inflation rate and ultimately allowing the airbag to be fully inflated. Attached Figure Description

[0028] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0029] Figure 1 This is a structural schematic diagram of a car seat pneumatic system.

[0030] Figure 2 This is a schematic diagram of the constant pressure component in the first embodiment;

[0031] Figure 3 This is a schematic diagram of the constant pressure component in the second embodiment;

[0032] Figure 4 This is an exploded view of the constant pressure component in the first embodiment;

[0033] Figure 5 for Figure 4 A magnified view of a portion of the image;

[0034] Figure 6 A schematic diagram of storing elastic force in an elastic compression device;

[0035] Figure 7 A schematic diagram of the elastic compression device releasing elastic force.

[0036] The components include: 1. Air circuit controller; 2. Air bag; 3. Constant pressure component; 4. Air pump; 5. Housing; 6. Air reservoir; 7. Abutment plate; 8. Elastic element; 9. Limiting protrusion; 10. Annular protrusion; 11. Cross protrusion; 12. Through hole; 13. Through groove; 14. Waist-shaped hole. Detailed Implementation

[0037] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0038] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other. The present utility model will now be described in detail with reference to the accompanying drawings and embodiments.

[0039] Example 1

[0040] Please refer to Figure 1 and Figure 4 This utility model provides a constant pressure air storage device for an automotive seat pneumatic system, comprising: a constant pressure component; the constant pressure component 3 includes:

[0041] Housing 5, the housing 5 having an installation space inside;

[0042] An air reservoir 6 is disposed within the installation space and is connected to the pneumatic system of the car seat via an air tube;

[0043] An elastic compression device is installed in the installation space and abuts against the outer surface of the air storage bag 6;

[0044] When the internal air pressure of the car seat pneumatic system increases, the elastic compression device is squeezed by the air reservoir 6 to store elastic force; when the internal air pressure of the car seat pneumatic system decreases, the elastic compression device releases elastic force to squeeze the air reservoir 6, so that gas is discharged from the air reservoir 6 into the car seat pneumatic system to replenish the air in the car seat pneumatic system.

[0045] Specifically, the automotive seat pneumatic system includes:

[0046] An air circuit controller 1 is connected to a plurality of air bags 2; the air circuit controller 1 is used to control the air bags 2 to inflate or deflate.

[0047] When the constant pressure component 3 is in an expanded state, it is filled with gas; when it is in a deflated state, the constant pressure component 3 discharges gas, and the gas is input into the air bag 2 through the gas circuit controller 1.

[0048] Air pump 4 is connected to both the constant pressure component 3 and the air circuit controller 1.

[0049] The work process includes:

[0050] When the air bag 2 needs to switch from the self-inflating state to the deflation state, the air circuit controller 1 cuts off the connection between the air bag 2 and the air pump 4 and the constant pressure component 3. At this time, the gas from the air pump 4 fills the constant pressure component 3, and the constant pressure component 3 switches from the deflation state to the expansion state.

[0051] When the air bag 2 needs to switch from the self-deflating state to the inflating state, the air circuit controller 1 connects the air bag 2, the air pump 4 and the constant pressure component 3, and the air pump 4 and the constant pressure component 3 simultaneously inflate the air bag 2.

[0052] This method allows the constant pressure component 3 to supplement the air pressure of the air pump 4 during the inflation process of the air bag 2, ensuring that the air bag 2 is inflated at a constant inflation rate, so that the air bag 2 can be fully filled in the end.

[0053] Specifically, the air reservoir 6 stores the gas pumped by the air pump 4 when the air circuit controller 1 disconnects the air bag 2 from the air pump 4 and the constant pressure component 3; and when the air circuit controller 1 connects the air bag 2 to the air pump 4 and the constant pressure component 2, the gas in the air reservoir 6 is discharged using an elastic compression device. Thus, the discharged gas, together with the gas supplied by the air pump 4, is used to fill the air bag 2, increasing the inflation rate.

[0054] Furthermore, the elastic compression device includes:

[0055] Abutting plate 7 is movably installed within the installation space, with one side surface abutting against the air storage bag 6;

[0056] The elastic element 8 is disposed on the side of the abutment plate 7 away from the air storage bladder 6, and abuts against the inner side wall of the housing 5 and the other side surface of the abutment plate 7 respectively.

[0057] Specifically, if the air reservoir 6 deflates slowly, it will be difficult to provide sufficient air pressure to the air pump 4, thus making it difficult to significantly increase the inflation rate.

[0058] In this embodiment, the elastic compression device uses the abutment plate 7 to compress the air storage bag 6, which allows the air storage bag 6 to expel gas more quickly and replenish the air pump 4 with sufficient air pressure.

[0059] Further, refer to Figure 2 The elastic element 8 includes at least one spring; one end of the spring abuts against the abutment plate 7, and the other end abuts against the inner wall of the housing 5.

[0060] Further, refer to Figure 5 The surface of the abutment plate 7 away from the air storage bag 6 has a limiting protrusion 9; one end of the spring is engaged in the limiting protrusion 9.

[0061] Specifically, by using the limiting protrusion 9 to limit the spring, the position of the spring and the abutment plate 7 can be prevented from shifting, which would reduce the force of the abutment plate 7 on the air reservoir 6, and thus result in insufficient pressure of the gas discharged from the air reservoir 6.

[0062] Furthermore, the limiting protrusion 9 includes: an annular protrusion 10 and a cross protrusion 11;

[0063] The annular protrusion 10 has a limiting space inside, and the cross protrusion 11 is located within the limiting space; the end of the spring is disposed within the limiting space and is engaged with the cross protrusion 11.

[0064] Furthermore, the plurality of springs are evenly distributed along the surface of the abutment plate 7.

[0065] Specifically, by using multiple springs evenly arranged between the abutment plate 7 and the housing 5, the abutment plate 7 can be prevented from tilting, ensuring that the air storage bladder 6 discharges gas evenly, thereby achieving a constant pressure effect.

[0066] Further, refer to Figure 3 The elastic element 8 includes a sponge; the sponge abuts against the abutment plate 7 and the inner sidewall of the housing 5 respectively.

[0067] Specifically, by using a sponge to apply pressure to the abutment plate 7, the sponge can absorb the sound when the air reservoir 6 repeatedly switches between the expansion and deflation states, thus reducing noise.

[0068] Furthermore, the housing 5 is provided with a plurality of through holes 12;

[0069] When the constant pressure component 3 switches between the expansion state and the venting state, the gas in the installation space is connected to the outside gas through the through hole 12.

[0070] Furthermore, a through groove 13 is provided on the outer surface of the housing 5, and the through groove 13 communicates with the through hole 12.

[0071] Specifically, the through hole 12 connects the installation space with the outside world, which can balance the pressure between the installation space and the outside world when the air bladder 6 repeatedly switches between the expansion and deflation states, avoid the abutment plate 7 being affected by the air pressure inside the shell 5, and enable the abutment plate 7 to provide sufficient force for the air bladder 6.

[0072] A through slot 13 is opened on the outside of the housing 5 so that the installation space can still be connected to the outside when the housing 5 is in contact with other objects. This balances the pressure between the installation space and the outside, and prevents the through hole 12 from being blocked by other objects, which would cause the contact plate 7 to be affected by the air pressure in the installation space and reduce the force on the air storage bag 6.

[0073] Furthermore, a waist-shaped hole 14 is provided on the outer surface of the housing 5; the air pipe connecting the air storage bag 6 and the pneumatic system of the car seat passes through the waist-shaped hole 14.

[0074] Specifically, during the collision, the air tube connected to the air bladder 6 will also shift in position. Therefore, by providing a waist-shaped hole 14 and allowing the air tube to pass through the waist-shaped hole 14, unwanted interaction between the air tube and the shell 5 after the air tube shifts in position can be avoided, which would cause the air tube to close.

[0075] Example 2

[0076] This utility model also provides a pneumatic system for an automobile seat, including: an air circuit controller 1 and an air pump 4;

[0077] The air circuit controller 1, air pump 4, and constant pressure air storage device for a pneumatic system for an automobile seat as described above are interconnected by air pipes.

[0078] At least one gas-using component 2 is connected to the gas circuit controller 1; the gas circuit controller 1 is used to control the gas-using component 2 to be filled or released; the air pump 4 is used to supply gas to the gas-using component 2 and the constant pressure gas storage structure.

[0079] Specifically, the air component 2 is one or more of the following: lumbar support air bag, leg support air bag, seat massage air bag, or active side wing air bag.

[0080] refer to Figure 6 The arrow indicates the direction of gas movement.

[0081] When the air circuit controller 1 controls the air-using component to stop inflating, the air pump 4 will still inject gas into the system, increasing the air pressure in the car seat pneumatic system. Due to the pressure difference, the gas in the system flows into the air storage bladder 6 of the constant pressure air storage device for storage. As the gas flows into the air storage bladder 6, the internal air pressure increases, causing the volume of the air storage bladder 6 to increase, in order to balance the air pressure inside the entire system. At the same time, the increased volume of the air storage bladder 6 will squeeze the elastic compression device, causing the elastic compression device to store elastic force.

[0082] refer to Figure 7 The black arrows indicate the direction of gas movement originating from the air pump 4; the white arrows indicate the direction of gas movement originating from the air reservoir 6.

[0083] When the air circuit controller 1 controls the air-using component to inflate, the gas in the car seat pneumatic system will fill the air bag, causing the air pressure in the system to decrease. At this time, the elastic compression device will release the elastic force, squeeze the air storage bag 6 to expel the gas, and further replenish the system with air to accelerate the inflation speed of the air bag. It can be seen that whether the air bag is in the inflation state or in the non-inflation state, the constant pressure air storage device can keep the internal air pressure of the entire car seat pneumatic system in a dynamic balance process.

[0084] The above description is merely a preferred embodiment of this utility model and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of this utility model is not limited to the specific combination of the above-described technical features, but should also cover other technical solutions formed by any combination of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this utility model.

Claims

1. A constant pressure gas storage device for an automotive seat pneumatic system, characterized by, The constant pressure assembly (3) comprises: The constant pressure assembly (3) comprises: The housing (5) has an installation space inside; The gas storage bag (6) is arranged in the installation space and communicates with the pneumatic system of the automobile seat through a gas pipe; The elastic compression device is installed in the installation space and abuts against the outer surface of the gas storage bag (6); When the internal air pressure of the pneumatic system of the automobile seat rises, the elastic compression device is extruded by the gas storage bag (6) to store elastic force; when the internal air pressure of the pneumatic system of the automobile seat decreases, the elastic compression device releases the elastic force to extrude the gas storage bag (6), so that the gas is discharged from the gas storage bag (6) to the pneumatic system of the automobile seat to supplement the air of the pneumatic system of the automobile seat.

2. The constant pressure gas storage device for the pneumatic system of an automobile seat according to claim 1, wherein The elastic compression device comprises: The abutting plate (7) is movably installed in the installation space and abuts against one side surface of the gas storage bag (6); The elastic member (8) is arranged on the side of the abutting plate (7) away from the gas storage bag (6) and abuts against the inner side wall of the housing (5) and the other side surface of the abutting plate (7) respectively.

3. The constant pressure gas storage device for a pneumatic system of a vehicle seat according to claim 2, characterized by The elastic member (8) comprises at least one spring, one end of the spring abutting against the abutting plate (7) and the other end abutting against the inner side wall of the housing (5).

4. The constant pressure gas storage device for a pneumatic system of a vehicle seat according to claim 3, characterized by The surface of the abutting plate (7) away from the gas storage bag (6) has a limiting protrusion (9); one end of the spring is clamped in the limiting protrusion (9).

5. The constant pressure gas reservoir for use in a pneumatic system of a vehicle seat according to claim 4, characterized in that, The limiting protrusion (9) comprises an annular protrusion (10) and a cross-shaped protrusion (11); The annular protrusion (10) has a limiting space inside, and the cross-shaped protrusion (11) is located in the limiting space; the end of the spring is arranged in the limiting space and clamped on the cross-shaped protrusion (11).

6. The constant pressure gas storage device for use in a pneumatic system of a vehicle seat according to claim 3, characterized by A plurality of springs are uniformly distributed along the surface of the abutting plate (7).

7. The constant pressure gas reservoir for use in a pneumatic system of a vehicle seat according to claim 2, wherein The elastic member (8) comprises a sponge; the sponge abuts against the abutting plate (7) and the inner side wall of the housing (5) respectively.

8. The constant pressure gas storage device for use in a pneumatic system of a vehicle seat according to claim 1, characterized by A plurality of through holes (12) are formed on the housing (5); When the constant pressure assembly (3) switches between the inflation state and the deflation state, the gas in the installation space and the external gas communicate through the through holes (12).

9. The constant pressure gas reservoir for use in a pneumatic system of a vehicle seat according to claim 8, characterized in that, A through groove (13) is formed on the outer surface of the housing (5) and communicates with the through holes (12).

10. An automotive seat pneumatic system characterized by, The gas path controller (1) and the gas pump (4); The gas path controller (1), the gas pump (4) and the constant pressure gas storage device for the pneumatic system of the automobile seat according to any one of claims 1-9 are connected to each other through a gas pipe; The gas path controller (1) is connected to at least one gas using assembly (2); the gas path controller (1) is used to control the gas using assembly (2) to inflate or deflate; and the gas pump (4) is used to provide gas to the gas using assembly (2) and the constant pressure gas storage structure. ​

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