Air spring air supply device and vehicle

By setting up a gas supply device that connects the first gas storage device to the first gas storage tank, the gas flow control is optimized, which solves the problem of low gas supply efficiency of the air spring and achieves the effects of fast response of the air spring and long service life of the air pump.

CN223559438UActive Publication Date: 2025-11-18BEIJING AUTOMOBILE RES GENERAL INST
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Patent Information

Application Number
CN202423092799.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-18
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

In the existing technology, the air supply efficiency of the air spring air supply device is low, resulting in poor reliability of the suspension system, frequent operation of the air pump, and short service life.

Method used

A gas supply device including a first gas storage device and a second gas storage device is adopted. The first gas storage device is connected to the first gas storage tank to improve the gas supply efficiency, reduce the gas supply frequency of the air pump to the gas storage tank, and optimize gas flow control by using components such as air cylinders and filter valves.

Benefits of technology

It improves the response speed of the air spring, enhances the reliability of the suspension, extends the service life of the air pump, and reduces energy consumption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air spring air supply device and a vehicle, the air spring air supply device is used for the vehicle, the vehicle comprises a vehicle body and a suspension, the suspension comprises an air spring and a swing arm, the air spring air supply device comprises a first air storage device and a second air storage device, and the second air storage device comprises an inflator pump and a first air storage tank. The inflator pump is suitable for supplying air to the first air storage tank, the first air storage device communicates with the first air storage tank and is suitable for supplying air to the first air storage tank, and the first air storage tank communicates with the air spring. According to the air supply device for the air spring, the air supply efficiency of the air supply device for the air spring can be improved, so that the response of the air spring is faster, and the reliability of a suspension is improved; meanwhile, the first air storage device can supply air to the first air storage tank, the air supply frequency of the inflator pump to the first air storage tank can be reduced, the inflator pump is prevented from working for a long time, and then the service life of the inflator pump is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle technical field especially is related to an air spring air supply device and vehicle. BACKGROUND

[0002] In the related art, the suspension system of the vehicle is crucial to the comfort and maneuverability of the vehicle, and some suspension systems adjust the body height and suspension stiffness by changing the air pressure inside the air spring. When the air spring is in use, an air pump is used to supply air to the air tank, and the air tank supplies air to the air spring. However, since the air pump works quite frequently, and the air pump overheats and stops working after a certain period of air supply, the use of the suspension system is affected. SUMMARY

[0003] The utility model aims at at least solves one of the prior art technical problems. Therefore, one purpose of the utility model is to provide an air spring air supply device, which can improve the efficiency of the air spring air supply device when supplying air to the air spring, so that the air spring responds quickly and the reliability of the suspension is improved. At the same time, the first air storage device can supply air to the first air tank, which can reduce the air supply frequency of the air pump to the first air tank, avoid long-term work of the air pump, and thus improve the service life of the air pump.

[0004] The utility model further provides a vehicle with the above-mentioned air spring air supply device.

[0005] According to the air spring air supply device of the first aspect of the utility model, the vehicle includes a vehicle body and a suspension, the suspension includes an air spring and a swing arm, the air spring air supply device includes: a first air storage device; a second air storage device, the second air storage device includes an air pump and a first air tank, the air pump is adapted to supply air to the first air tank, the first air storage device is in communication with the first air tank, and the first air storage device is adapted to supply air to the first air tank, and the first air tank is in communication with the air spring.

[0006] According to the air spring air supply device of the utility model, the air spring air supply device includes a first air storage device and a second air storage device, the air pump of the second air storage device is adapted to supply air to the first air tank, the first air storage device is in communication with the first air tank, and the first air tank supplies air to the air spring, which can improve the efficiency of the first air tank when supplying air to the air spring, so that the air spring responds quickly and the reliability of the suspension is improved. At the same time, the first air storage device can supply air to the first air tank, which can reduce the air supply frequency of the air pump to the first air tank, avoid long-term work of the air pump, and thus improve the service life of the air pump.

[0007] According to some embodiments of the present application, the second gas storage device further comprises a first connecting pipeline, the first connecting pipeline is connected between the air pump and the first gas storage tank, and a first one-way valve is arranged on the first connecting pipeline.

[0008] According to some embodiments of the present application, the first gas storage device comprises an air cylinder, the air cylinder comprises a gas supply cavity, a gas supply piston and a piston rod, the gas supply piston is movably arranged in the gas supply cavity, one end of the piston rod is connected with the gas supply piston, and the other end of the piston rod is connected with the swing arm, the gas supply cavity is connected with the vehicle body, and the gas supply cavity is connected with the first gas storage tank.

[0009] According to some embodiments of the present application, the first gas storage device further comprises an air inlet pipeline connected with the gas supply cavity, the air inlet pipeline is adapted to supply air to the gas supply cavity, and a second one-way valve is arranged on the air inlet pipeline.

[0010] According to some embodiments of the present application, a filter valve is further arranged on the air inlet pipeline, and the filter valve is located upstream of the second one-way valve.

[0011] According to some embodiments of the present application, the first gas storage device further comprises a second gas storage tank connected with the gas supply cavity, the second gas storage tank is adapted to store gas, and the second gas storage tank is adapted to supply air to the first gas storage tank.

[0012] According to some embodiments of the present application, the air spring air supply device further comprises a second connecting pipeline, the second connecting pipeline is connected between the first gas storage tank and the second gas storage tank, and a first electromagnetic valve is arranged on the second connecting pipeline.

[0013] According to some embodiments of the present application, the first gas storage device further comprises a third connecting pipeline, the third connecting pipeline is connected between the gas supply cavity and the second gas storage tank, and a second electromagnetic valve is arranged on the third connecting pipeline.

[0014] According to some embodiments of the present application, the gas supply cavity has an air outlet, the air outlet is connected with the third connecting pipeline, and the air outlet is located on the side of the gas supply cavity close to the vehicle body.

[0015] The vehicle according to the second aspect of the present application comprises the air spring air supply device according to the first aspect of the present application.

[0016] According to the vehicle of the embodiment of the utility model, through setting above-mentioned air spring air supply device, can improve air spring air supply device's efficiency when air supply to air spring, make air spring response faster, improve the reliability of suspension, simultaneously, first air storage equipment can air supply to first air storage tank, can reduce the air supply frequency of inflation pump to first air storage tank, avoid inflation pump long time work, and further improve the service life of inflation pump.

[0017] Additional aspects and advantages of the utility model will be in part given in the following description, part will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0019] Figure 1 It is the schematic diagram of air spring air supply device according to some embodiments of the utility model.

[0020] Reference signs:

[0021] 100, air spring air supply device;

[0022] 10, first air storage equipment;11, inflation cylinder;111, air supply cavity;1111, gas outlet;112, air supply piston;113, piston rod;12, air inlet pipeline;121, second check valve 121;122, filter valve;13, second air storage tank;14, third connecting pipeline;141, second electromagnetic valve;

[0023] 20, second air storage equipment;21, inflation pump;22, first air storage tank;23, first connecting pipeline;231, first check valve;

[0024] 30, second connecting pipeline;31, first electromagnetic valve;

[0025] 41, vehicle body;42, swing arm. DETAILED DESCRIPTION

[0026] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and can not be understood as limiting the utility model.

[0027] In the description of the utility model, it needs to be understood that the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and thus cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] In the description of the utility model, it needs to be understood that the terms "installation", "connection" and "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two internal devices or the interaction relationship between two devices. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Reference will be made below Figure 1 The air spring air supply device 100 according to the embodiments of the utility model is described.

[0030] The air spring air supply device 100 according to the first aspect of the embodiments of the utility model is used for a vehicle, the vehicle includes a vehicle body 41 and a suspension, the suspension includes an air spring and a swing arm 42, the air spring air supply device 100 is a device for supplying air to the air spring, by changing the air pressure in the air spring, the stiffness and height of the air spring can be adjusted, and the height of the vehicle body 41 is adjusted to adapt to different road surfaces, and better riding comfort is provided for passengers.

[0031] The air spring air supply device 100 includes a first air storage device 10 and a second air storage device 20, the second air storage device 20 includes an inflation pump 21 and a first air tank 22, the inflation pump 21 is suitable for supplying air to the first air tank 22, the first air storage device 10 is in communication with the first air tank 22, and the first air storage device 10 is suitable for supplying air to the first air tank 22, the first air tank 22 is in communication with the air spring, and the gas in the first air tank 22 can supply air to the air spring.

[0032] The height of the air spring can be adjusted by adjusting the gas content in the air spring, so as to adjust the height of the vehicle body 41. When the air spring needs to be supplied with gas, the gas in the first gas tank 22 can be filled into the air spring, and the gas in the first gas tank 22 can come from the inflation pump 21 and the first gas storage device 10. By supplying the first gas tank 22 with gas through the first gas storage device 10, the gas supply efficiency of the first gas tank 22 to the air spring can be improved, and the response time of the air spring can be reduced, so as to improve the response efficiency of the suspension. At the same time, when the first gas storage device 10 supplies the first gas tank 22 with gas, the gas supply frequency of the inflation pump 21 to the first gas tank 22 can be reduced, so as to avoid overheating protection of the inflation pump 21 due to long-time work of the inflation pump 21, and the service life of the inflation pump 21 is improved.

[0033] According to the air spring gas supply device 100 of the embodiment of the utility model, the air spring gas supply device 100 includes the first gas storage device 10 and the second gas storage device 20, the inflation pump 21 of the second gas storage device 20 is suitable for supplying gas to the first gas tank 22, the first gas storage device 10 is communicated with the first gas tank 22, and the first gas tank 22 supplies gas to the air spring. The efficiency of the first gas tank 22 to the air spring can be improved, the air spring responds faster, and the reliability of the suspension is improved. At the same time, the first gas storage device 10 can supply gas to the first gas tank 22, the gas supply frequency of the inflation pump 21 to the first gas tank 22 can be reduced, the inflation pump 21 can work for a long time, and the service life of the inflation pump 21 is improved.

[0034] According to some embodiments of the utility model, referring to Figure 1 The second gas storage device 20 further includes a first connecting pipeline 23, the first connecting pipeline 23 is communicated between the inflation pump 21 and the first gas tank 22, a first check valve 231 is arranged on the first connecting pipeline 23, and the first check valve 231 is used for controlling the flow direction of the gas, so that the gas in the first connecting pipeline 23 can only be supplied from the inflation pump 21 to the first gas tank 22, and the gas in the first gas tank 22 is prevented from being discharged in the reverse direction.

[0035] According to some embodiments of the utility model, referring to Figure 1 The first gas storage device 10 includes an inflation cylinder 11, the inflation cylinder 11 includes a gas supply cavity 111, a gas supply piston 112 and a piston rod 113, the gas supply piston 112 is movably arranged in the gas supply cavity 111, one end of the piston rod 113 is connected with the gas supply piston 112, the other end of the piston rod 113 is connected with the swing arm 42, the gas supply cavity 111 is connected with the vehicle body 41, and the gas supply cavity 111 is communicated with the first gas tank 22. For example, the other end of the piston rod 113 and the swing arm 42 can be connected through a fastener.

[0036] When the vehicle runs on the uneven road, the wheels move up and down, the swing arm 42 moves up and down when the wheels move up and down, the piston rod 113 moves up and down when the swing arm 42 moves up and down, and the gas supply piston 112 moves up and down in the gas supply cavity 111, so that the gas in the gas supply cavity 111 is filled into the first gas storage tank 22. Through the up and down movement of the wheels, the inflator 11 can store gas in the first gas storage tank 22, and the energy consumption can be reduced.

[0037] According to some embodiments of the present application, referring to Figure 1 The first gas storage device 10 further comprises an air inlet pipeline 12, the air inlet pipeline 12 is communicated with the gas supply cavity 111, the air inlet pipeline 12 is suitable for supplying gas to the gas supply cavity 111, and a second check valve 121 is arranged on the air inlet pipeline 12. The second check valve 121 is used for controlling the flow direction of the gas, so that the gas in the air inlet pipeline 12 can only be supplied from the air inlet pipeline 12 to the gas supply cavity 111, and the gas in the gas supply cavity 111 is prevented from being discharged in reverse through the air inlet pipeline 12.

[0038] According to some embodiments of the present application, referring to Figure 1 The air inlet pipeline 12 is further provided with a filter valve 122, and the filter valve 122 is used for filtering the gas entering the gas supply cavity 111 through the air inlet pipeline 12, and removing impurities, particulate matters and other pollutants in the gas. The filter valve 122 is located upstream of the second check valve 121, and the gas filtered through the filter valve 122 can be filled into the gas supply cavity 111 through the second check valve 121, so that the impurities in the gas can be prevented from damaging the second check valve 121.

[0039] For example, the filter valve 122 can be a drying filter screen, which is used for drying and filtering the gas entering the gas supply cavity 111 through the air inlet pipeline 12.

[0040] According to some embodiments of the present application, referring to Figure 1 The first gas storage device 10 further comprises a second gas storage tank 13, the second gas storage tank 13 is communicated with the gas supply cavity 111, the second gas storage tank 13 is suitable for storing gas, and the second gas storage tank 13 is suitable for supplying gas to the first gas storage tank 22. When the swing arm 42 moves up and down, the gas in the gas supply cavity 111 can be filled into the second gas storage tank 13, and the second gas storage tank 13 can temporarily store the gas. When it is needed to supply gas to the air spring, the gas in the second gas storage tank 13 can be filled into the first gas storage tank 22, and the efficiency of supplying gas to the air spring can be further improved.

[0041] According to some embodiments of the present application, referring to Figure 1The air spring air supply device 100 further comprises a second connecting pipeline 30, the second connecting pipeline 30 is communicated between the first gas tank 22 and the second gas tank 13, and the first electromagnetic valve 31 is arranged on the second connecting pipeline 30, and the first electromagnetic valve 31 can be used for controlling the flow direction of the gas in the second connecting pipeline 30. When the first electromagnetic valve 31 is opened, the gas in the second gas tank 13 can be filled into the first gas tank 22 through the second connecting pipeline 30, and the gas in the first gas tank 22 can also be prevented from flowing back to the second gas tank 13 through the second connecting pipeline 30; when the first gas tank 22 is filled with gas, the first electromagnetic valve 31 is closed, and the gas in the second gas tank 13 cannot be filled into the first gas tank 22 through the second connecting pipeline 30.

[0042] According to some embodiments of the present application, referring to Figure 1 The first gas storage device 10 further comprises a third connecting pipeline 14, the third connecting pipeline 14 is communicated between the air supply cavity 111 and the second gas tank 13, and the second electromagnetic valve 141 is arranged on the third connecting pipeline 14, and the second electromagnetic valve 141 can be used for controlling the flow direction of the gas in the third connecting pipeline 14. When the second electromagnetic valve 141 is opened, the gas in the air supply cavity 111 can be filled into the second gas tank 13 through the third connecting pipeline 14, and the gas in the second gas tank 13 can also be prevented from flowing back to the air supply cavity 111 through the third connecting pipeline 14; when the second gas tank 13 is filled with gas, the second electromagnetic valve 141 is closed, and the gas in the air supply cavity 111 cannot be filled into the second gas tank 13 through the third connecting pipeline 14.

[0043] According to some embodiments of the present application, referring to Figure 1 The air supply cavity 111 has a gas outlet 1111, the gas outlet 1111 is communicated with the third connecting pipeline 14, and the gas outlet 1111 is located on the side of the air supply cavity 111 close to the vehicle body 41, that is, the gas outlet 1111 is located on the top of the air supply cavity 111, so that when the gas in the air supply cavity 111 is filled into the second gas tank 13 through the third connecting pipeline 14, the air supply piston 112 can fill all the gas in the air supply cavity 111 into the second gas tank 13.

[0044] The vehicle according to the second aspect of the present application comprises the air spring air supply device 100 according to the first aspect of the present application.

[0045] According to the vehicle of the embodiment of the utility model, the air spring air supply device 100 can improve the efficiency of air supply of the air spring air supply device 100, the air spring responds faster, and the reliability of the suspension is improved; meanwhile, the first air storage equipment 10 can supply air to the first air storage tank 22, the air supply frequency of the inflation pump 21 to the first air storage tank 22 can be reduced, the inflation pump 21 is prevented from working for a long time, and the service life of the inflation pump 21 is improved.

[0046] In the description of the present specification, the description of the terms "some embodiments", "optionally", "further", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. An air spring air supply device characterized by comprising: The air spring air supply device for a vehicle, the vehicle comprising a vehicle body and a suspension, the suspension comprising an air spring and a swing arm, the air spring air supply device comprising: a first air storage device; a second air storage device, the second air storage device comprising an air charging pump and a first air tank, the air charging pump being adapted to supply air to the first air tank, the first air storage device being in communication with the first air tank and the first air storage device being adapted to supply air to the first air tank, the first air tank being in communication with the air spring.

2. The air spring air supply apparatus of claim 1, wherein, The second air storage device further comprises a first connecting pipeline, the first connecting pipeline being in communication between the air charging pump and the first air tank, the first connecting pipeline being provided with a first one-way valve.

3. The air spring feeding device according to claim 1, wherein The first air storage device comprises an air charging cylinder, the air charging cylinder comprising an air supply cavity, an air supply piston and a piston rod, the air supply piston being movably arranged in the air supply cavity, one end of the piston rod being connected with the air supply piston and the other end being connected with the swing arm, the air supply cavity being connected with the vehicle body, the air supply cavity being in communication with the first air tank.

4. The air spring air supply apparatus of claim 3, wherein, The first air storage device further comprises an air inlet pipeline in communication with the air supply cavity, the air inlet pipeline being adapted to supply air to the air supply cavity, the air inlet pipeline being provided with a second one-way valve.

5. The air spring air supply apparatus of claim 4, wherein, The air inlet pipeline is further provided with a filter valve, the filter valve being located upstream of the second one-way valve.

6. The air spring air supply apparatus of claim 3, wherein, The first air storage device further comprises a second air tank in communication with the air supply cavity, the second air tank being adapted to store air, the second air tank being adapted to supply air to the first air tank.

7. The air spring air supply apparatus of claim 6, wherein, Further comprising: a second connecting pipeline, the second connecting pipeline being in communication between the first air tank and the second air tank, the second connecting pipeline being provided with a first electromagnetic valve.

8. The air spring air supply apparatus of claim 6, wherein, The first air storage device further comprises a third connecting pipeline, the third connecting pipeline being in communication between the air supply cavity and the second air tank, the third connecting pipeline being provided with a second electromagnetic valve.

9. The air spring air supply apparatus of claim 8, wherein, The air supply cavity has an air outlet, the air outlet being in communication with the third connecting pipeline, the air outlet being located on the side of the air supply cavity close to the vehicle body.

10. A vehicle characterized by comprising: Comprising: The air spring air supply device according to any one of claims 1-9.