固定组件、空气弹簧总成和车辆

Abstract

本申请公开了一种固定组件、空气弹簧总成和车辆，涉及车辆技术领域，旨在解决如何提高空气弹簧总成的使用寿命的问题。该固定组件应用于空气弹簧总成，空气弹簧总成包括空气弹簧本体和防尘罩，防尘罩环绕空气弹簧本体设置；固定组件包括卡箍和衬环，衬环环绕空气弹簧本体设置，且适于连接防尘罩；卡箍连接于衬环，用于将衬环固定于空气弹簧本体；衬环设有排气孔，排气孔沿衬环的轴向贯穿衬环，且适于连通防尘罩的内部空间。

Claims

1. A fixing component applied to an air spring assembly, the air spring assembly including an air spring body (1) and a dust cover (2), the dust cover (2) being disposed around the air spring body (1); characterized in that, The fixing component (3) includes: Clamp (31); A bushing (32) surrounds the air spring body (1) and is adapted to connect the dust cover (2); a clamp (31) is connected to the bushing and is used to fix the bushing (32) to the air spring body (1); The liner (32) is provided with an exhaust hole (322), which passes through the liner (32) along the axial direction of the liner (32) and is adapted to connect the internal space of the dust cover (2).

2. The fixture assembly of claim 1, wherein, The bushing (32) has a groove (321) inside. The groove (321) is recessed from one side surface of the bushing (32) in the axial direction to the other side surface and extends along the circumference of the bushing (32). The clamp (31) is located in the groove (321) and is used to fix the bushing (32) to the air spring body (1).

3. The fixing component according to claim 2, characterized in that, Along the axial direction of the bushing (32), the groove (321) has opposing openings and bottom wall surfaces, and the vent (322) extends from the bottom wall surface along the axial direction of the bushing (32).

4. The fixture assembly of claim 3, wherein, Along the radial direction of the bushing (32), the size of the vent hole (322) is larger than the size of the clamp (31).

5. The fixture assembly of claim 1, wherein, The bushing (32) includes a non-metallic bushing (32).

6. The fixture assembly of claim 1, wherein, The bushing (32) includes at least one of nylon bushing (32), rubber bushing (32), and plastic bushing (32).

7. The fixture assembly of claim 2, wherein, The depth of the groove (321) in the axial direction of the bushing (32) is greater than or equal to the width of the clamp (31) in the axial direction of the bushing (32).

8. The fixture assembly of claim 2, wherein, Along the axial direction of the bushing (32), the groove (321) has opposing openings and bottom wall surfaces, and the fixing assembly (3) further includes a limiting structure (324) disposed on the side of the clamp (31) opposite to the bottom wall surface to limit the clamp (31).

9. The fixture assembly of claim 8, wherein, The limiting structure (324) includes a plurality of limiting protrusions spaced circumferentially along the bushing (32).

10. The fixture assembly of claim 1, wherein, The dust cover (2) is provided with a slot (221), which is recessed from the inner wall surface of the dust cover (2) toward the outer wall surface; The bushing (32) includes a connecting part (323), which is arranged around the clamp (31) and is engaged in the slot (221).

11. The fixture assembly of claim 10, wherein, Both the slot (221) and the connecting portion (323) extend circumferentially along the bushing (32).

12. The fixture assembly of claim 10, wherein, Along the axial direction of the bushing (32), the connecting part (323) has a first end face (3233) and a second end face (3234), and the slot (221) has a first inner wall surface, which is located on the side of the first end face (3233) opposite to the second end face (3234); At least one of the first end face (3233) and the first inner wall surface includes a guide slope (3235) which is directed along the first end face (3233) toward the second end face (3234) and gradually moves away from the inner circumferential surface of the connecting portion (323).

13. The fixing component according to claim 1, characterized in that, Along the axial direction of the bushing (32), at least one end of the bushing (32) is provided with a bent portion (325), the bent portion (325) being located inside the bushing (32).

14. The fixture assembly of claim 13, wherein, The air spring body (1) has a recess (14), and the recess (14) is recessed from the outer peripheral surface of the air spring body (1) toward the inner peripheral surface; at least a portion of the bending portion (325) is provided in the recess (14).

15. The fixture assembly of claim 1, wherein, The bushing (32) is also provided with an installation notch (326), which penetrates the bushing (32) along the axial direction of the bushing (32) and extends from the inner circumferential surface of the bushing (32) to the outer circumferential surface.

16. An air spring assembly characterized by, It includes an air spring body (1), a dust cover (2), and a fixing component (3) as described in any one of claims 1-15; the dust cover (2) is disposed around the air spring body (1); The bushing (32) is arranged around the air spring body (1), and the bushing (32) is connected to the dust cover (2).

17. The air spring assembly according to claim 16, characterized in that, Along the axial direction of the air spring assembly, the dust cover (2) includes a first part (21), a second part (22), and a third part (23) arranged and connected in sequence. The first part (21) forms a first space (211) with the air spring body (1). The second part (22) is provided with a slot (221) which engages with the bushing (32) of the fixing component (3). The third part (23) forms a second space (231) with the air spring body (1). The bushing (32) is provided with an exhaust hole (322), which connects the first space (211) and the second space (231).

18. The air spring assembly of claim 16, wherein, The dust cover (2) is configured as an elastic element and is capable of elastic deformation along the axial direction of the air spring assembly.

19. A vehicle characterized by comprising: Includes the air spring assembly as described in any one of claims 16-18.

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