CN220396356U - Vehicle suspension buffer device and system - Google Patents

Abstract

The utility model provides a vehicle suspension buffer device which comprises a buffer mechanism main body, a piston, a shock absorption spring and a protective cover, wherein one end of the buffer mechanism main body is connected with a first connecting piece, the other end of the buffer mechanism main body is connected with the piston in a telescopic manner, the piston is provided with a piston rod, one end of the piston rod, which is far away from the buffer mechanism main body, is connected with a second connecting piece, the shock absorption spring is sleeved outside the buffer mechanism main body, the protective cover is provided with a protective cavity, the buffer mechanism main body and the shock absorption spring are completely covered in the protective cavity, and the first connecting piece and the second connecting piece are exposed outside the protective cover. Through at the buffer gear main part with inhale the shake spring and set up the visor outward, make buffer gear main part and inhale shake spring cladding completely in the protection intracavity and obtain the protection of visor, make buffer gear main part and inhale shake spring and external environment phase separation, can prevent in the vehicle travel the in-process, debris such as grit, fragment of brick are blocked easily and are inhaled and inhale shake spring to avoid causing and hang the card and stop. The utility model also provides a vehicle suspension buffer system.

Description

Vehicle suspension buffer device and system

Technical Field

The utility model relates to the field of vehicle suspension systems, in particular to a vehicle suspension buffer device and a vehicle suspension buffer system.

Background

A vehicle suspension damper device is a device used to reduce the impact and shock to which a vehicle suspension system is subjected from road surface irregularities.

In the related art, the suspension damping device generally realizes the damping effect by the damping mechanism, the shock absorbing spring and the piston rod together. Because the shock-absorbing spring is usually exposed outside, sundries such as stones and the like are easy to be blocked into the shock-absorbing spring in the running process of the vehicle, and suspension blocking is caused.

Disclosure of Invention

Therefore, the utility model aims to provide a vehicle suspension buffer device and a vehicle suspension buffer system, which solve the problems that sundries such as stones and the like are easy to be blocked into a shock-absorbing spring and cause suspension blocking in the prior art.

In a first aspect, the utility model provides a vehicle suspension buffer device, comprising a buffer mechanism main body, a piston, a shock absorbing spring and a protective cover, wherein one end of the buffer mechanism main body is connected with a first connecting piece, the other end of the buffer mechanism main body is in telescopic connection with the piston, the piston is provided with a piston rod, one end of the piston rod, which is far away from the buffer mechanism main body, is connected with a second connecting piece, the shock absorbing spring is sleeved outside the buffer mechanism main body, the protective cover is provided with a protective cavity, the buffer mechanism main body and the shock absorbing spring are completely covered in the protective cavity, and the first connecting piece and the second connecting piece are exposed outside the protective cover.

In an embodiment, the protective cover includes a first protective cover and a second protective cover, and the protective cavity is formed by enclosing the first protective cover and the second protective cover.

In an embodiment, the first protection cover is provided with a first initial cavity, the second protection cover is provided with a second initial cavity, and the first initial cavity and the second initial cavity are connected and form the protection cavity.

In an embodiment, the protective cover includes a cover body, a first end cover and a second end cover, where the first end cover and the second end cover are respectively connected to two ends of the cover body, the first end cover is provided with a first connection port capable of exposing the first connection piece, and the second end cover is provided with a second connection port capable of exposing the second connection piece.

In an embodiment, one end of the piston, which is far away from the buffer mechanism main body, is connected with a first fixed chuck, the first fixed chuck is provided with a connecting port penetrating through the upper surface and the lower surface of the first fixed chuck, and the piston rod penetrates through the connecting port; a second fixed chuck is arranged at one end, far away from the piston, of the buffer mechanism main body, and the second fixed chuck is positioned between the buffer mechanism main body and the first connecting piece; one end of the shock absorbing spring is abutted against the first fixed chuck, and the other end of the shock absorbing spring is abutted against the second fixed chuck.

In one embodiment, a fixed block is connected between the second fixed chuck and the first connecting piece.

In an embodiment, the first fixed chuck is detachably connected to the protective cover, and the second fixed chuck is detachably connected to the protective cover.

In an embodiment, a hydraulic cavity is formed in the buffer mechanism main body and is axially arranged along the buffer mechanism main body, the piston is further provided with a piston head connected with the piston rod, the piston head is accommodated in the hydraulic cavity, and the piston can axially move along the hydraulic cavity.

In an embodiment, one end of the buffer mechanism main body, which is far away from the first connecting piece, is a sealing end, a gasket is arranged in the hydraulic cavity at the sealing end, and the piston rod is in interference fit with the gasket.

In a second aspect, the present utility model also provides a vehicle suspension damping system comprising a vehicle suspension damping device according to any one of the first aspects.

In the vehicle suspension buffer device of the embodiment, the protective cover is arranged outside the buffer mechanism main body and the shock absorbing spring, so that the buffer mechanism main body and the shock absorbing spring are completely covered in the protective cavity and protected by the protective cover, the buffer mechanism main body and the shock absorbing spring are separated from the external environment, sundries such as sand, bricks and the like can be prevented from being easily blocked into the shock absorbing spring in the vehicle driving process, and suspension blocking is avoided.

In addition, the embodiment of the application also provides a vehicle suspension buffer system, which is provided with the vehicle suspension buffer device and also has various functional effects of the vehicle suspension buffer device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a vehicle suspension damper according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a vehicle suspension buffer device in an embodiment of the present utility model;

fig. 3 is a schematic view illustrating an internal structure of a piston and a piston rod according to an embodiment of the present utility model.

Wherein: 10. a protective cover; 11. a first protective cover; 12. a second protective cover; 101. a first connection port; 102. a second connection port; 111. a cover body; 112. a first end cap; 113. a second end cap; 114. a first initial cavity; 124. a second initial cavity; 21. a first connector; 22. a second connector; 30. a fixed block; 41. a bolt; 42. reserving a bolt hole; 51. a second fixed chuck; 52. a first stationary chuck; 60. a shock absorbing spring; 70. a buffer mechanism body; 71. a hydraulic chamber; 72. a gasket; 81. a piston rod; 82. a piston head.

Detailed Description

Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms described above will be understood to those of ordinary skill in the art in a specific context.

The terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," and the like are used as references to orientations or positional relationships based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships in which the inventive product is conventionally disposed in use, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore are not to be construed as limiting the utility model.

The terms "first," "second," "third," and the like, are merely used for distinguishing between similar elements and not necessarily for indicating or implying a relative importance or order.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements does not include only those elements but may include other elements not expressly listed.

Examples

As shown in fig. 1-3, the present embodiment provides a vehicle suspension buffer device, which includes a buffer mechanism main body 70, a piston 80, a shock absorbing spring 60 and a protection cover 10, wherein one end of the buffer mechanism main body 70 is connected with a first connecting piece 21, the other end is connected with the piston 80 in a telescopic manner, the piston 80 is provided with a piston rod 81, one end of the piston rod 81, which is far away from the buffer mechanism main body 70, is connected with a second connecting piece 22, the shock absorbing spring 60 is sleeved outside the buffer mechanism main body 70, the protection cover 10 is provided with a protection cavity (not shown), the buffer mechanism main body 70 and the shock absorbing spring 60 are completely covered in the protection cavity, and the first connecting piece 21 and the second connecting piece 22 are exposed outside the protection cover 10.

In the vehicle suspension buffer device of the present embodiment, the protective cover 10 is arranged outside the buffer mechanism body 70 and the shock absorbing spring 60, so that the buffer mechanism body 70 and the shock absorbing spring 60 are completely covered in the protective cavity and protected by the protective cover 10, and the buffer mechanism body 70 and the shock absorbing spring 60 are separated from the external environment, so that sundries such as sand, stones and bricks can be prevented from being easily blocked into the shock absorbing spring 60 during the running process of the vehicle, and suspension jamming is avoided.

As shown in fig. 1, in an embodiment, the protective cover 10 includes a first protective cover 11 and a second protective cover 12, and a protective cavity is formed by enclosing the first protective cover 11 and the second protective cover 12.

In one embodiment, the first protection cover 11 is provided with a first initial cavity 114, the second protection cover 12 is provided with a second initial cavity 124, and the first initial cavity 114 and the second initial cavity 124 are connected and form a protection cavity.

The protective cover 10 of the embodiment is made of stainless steel materials, has good corrosion resistance, prolongs the service life of the automobile suspension buffer device, has certain strength, and is not easy to be collided by sundries such as sand and the like to deform in the running process of the automobile. In some embodiments, the protective cover 10 may be made of metallic materials such as iron, aluminum, or nonmetallic materials such as plastic, wood, and the like.

As shown in fig. 2, in this embodiment, the first protection cover 11 and the second protection cover 12 are both in a semi-cylindrical sleeve structure, the first initial cavity 114 and the second initial cavity 124 are all semi-circular grooves, and the two semi-circular grooves are spliced to form a circular protection cavity, so that the axle centers of the buffer mechanism main body 70 and the shock-absorbing spring 60 and the protection cover are overlapped, the vibration of the protection cover relative to the buffer structure main body and the shock-absorbing spring 60 can be reduced, and the stability of the vehicle suspension buffer device is improved. It is understood that the first and second initial cavities 114, 124 may be rectangular slots, C-shaped slots, or other shaped slots, so long as the first and second initial cavities 114, 124 are capable of mating and completely encasing the cushioning mechanism body 70 and the shock absorbing spring 60.

In another embodiment, the first protecting cover 11 is a 3/4 cylindrical sleeve structure, and the second protecting cover 12 is a 1/4 cylindrical sleeve structure; or the first protective cover 11 has a 3/5 cylindrical sleeve structure, and the second protective cover 12 has a 2/5 cylindrical sleeve structure. It is understood that the first protective cover 11 and the second protective cover 12 may be split into a cylindrical shape.

In another embodiment, the protective cover 10 is enclosed by four 1/4 cylindrical sleeve structures; or the protective cover 10 is enclosed by three 1/3 cylindrical sleeve structures. It will be appreciated that no matter how the protective cover 10 is enclosed by several sleeve structures, these sleeve structures can be split into cylinders.

As shown in fig. 2, in an embodiment, the first protection cover 11 and the second protection cover 12 each include a cover body 111, a first end cover 112, and a second end cover 113, where the first end cover 112 and the second end cover 113 are respectively connected to two ends of the cover body 111, the first end cover 112 is provided with a first connection port 101 capable of exposing the first connection member 21, and the second end cover 113 is provided with a second connection port 102 capable of exposing the second connection member 22. In this embodiment, the buffer mechanism body 70 is connected to the wheels of the vehicle through the first connecting member 21, the piston 80 is connected to the chassis of the vehicle through the second connecting member 22, the piston rod 81 of the piston 80 can pass through the second connecting port 102 to adjust the distance between the second connecting member 22 and the first connecting member 21, and the buffer function of the suspension buffer device of the vehicle can be achieved by combining the shock absorbing spring 60.

In one embodiment, a first fixed chuck 52 is connected to an end of the piston 80 away from the buffer mechanism body 70, the first fixed chuck 52 is provided with a connection port (not shown) penetrating the upper and lower surfaces of the first fixed chuck 52, and a piston rod 81 is inserted through the connection port; the end of the buffer mechanism body 70 away from the piston 80 is provided with a second fixed chuck 51, and the second fixed chuck 51 is positioned between the buffer mechanism body 70 and the first connecting piece 21; one end of the shock absorbing spring 60 abuts against the first fixed chuck 52, and the other end abuts against the second fixed chuck 51.

In this embodiment, the first fixed chuck 52 and the second fixed chuck 51 are circular chucks, and the diameters of the chucks are larger than the contour diameter of the shock-absorbing spring 60, so that the first fixed chuck 52 and the second fixed chuck 51 limit the shock-absorbing spring 60 and are abutted against the shock-absorbing spring 60. In addition, the first fixing chuck 52 and the second fixing chuck 51 are made of stainless steel materials, have good corrosion resistance, have certain strength, can bear the extrusion force exerted by the shock-absorbing spring 60 and are not easy to deform, and the service life of the automobile suspension buffer device is guaranteed. In some embodiments, the first and second fixed chucks 52, 51 may be made of metallic materials such as iron, aluminum, or non-metallic materials such as plastic, wood, or the like.

In one embodiment, the fixed block 30 is connected between the second fixed chuck 51 and the first connecting member 21.

In one embodiment, the first fixed chuck 52 is detachably connected to the protective cover 10, and the second fixed chuck 51 is detachably connected to the protective cover 10.

As shown in fig. 2, in the present embodiment, the first fixing chuck 52 and the second fixing chuck 51 are completely covered in the protection cavity, the first connecting member 21 is fixedly connected with the buffer mechanism body 70 through the fixing member, wherein the first connecting member 21 is welded to the upper surface of the fixing member, and the upper surface of the second fixing chuck 51 is welded to the lower surface of the fixing member. The fixing block 30 is a circular boss having a thickness greater than that of the second fixing chuck 51, and can ensure the stability of the connection of the first connecting member 21 with the buffer mechanism body 70. The first fixing chuck 52, the second fixing chuck 51 and the protective cover 10 are provided with the reserved bolt holes 42, the first fixing chuck 52 and the protective cover 10 can be fixedly connected through bolts 41, and the second fixing chuck 51 and the protective cover 10 can be fixedly connected through bolts 41, so that the protective cover 10 is convenient to be mounted and dismounted with the first fixing chuck 52 and the second fixing chuck 51. In another embodiment, the lower end of the first coupling member 21 is directly coupled to the upper surface of the second fixed chuck 51.

As shown in fig. 3, in an embodiment, a hydraulic chamber 71 is formed in the buffer mechanism body 70 and disposed along the axial direction of the buffer mechanism body 70, the piston 80 is further provided with a piston head 82 connected to the piston rod 81, the piston head 82 is accommodated in the hydraulic chamber 71, and the piston 80 can move along the axial direction of the hydraulic chamber 71. In the present embodiment, hydraulic oil is provided in the hydraulic chamber 71, oil holes through which the hydraulic oil can pass are provided in the piston head 82, the piston head 82 divides the hydraulic chamber 71 into an upper chamber (not shown) and a lower chamber (not shown), hydraulic oil can flow from the upper chamber and the lower chamber when the piston 80 moves axially along the hydraulic chamber 71, the piston rod 81 and the buffer mechanism body 70 are means for achieving force transmission and control by using the hydraulic principle, and the shock absorbing spring 60 is used to further improve the shock absorbing effect.

In one embodiment, the end of the buffer mechanism body 70 away from the first connecting member 21 is a sealing end (not shown), and the sealing end is provided with a gasket 72 in the hydraulic chamber 71, and the piston rod 81 is in interference fit with the gasket 72. In this embodiment, the gasket 72 is made of rubber or silica gel, a piston opening (not shown) is provided at the sealing end, through which the piston 80 can penetrate, the gasket 72 is clamped in the piston opening, and the piston rod 81 is in interference fit with the gasket 72, so that when the piston 80 moves axially along the hydraulic chamber 71, the gasket 72 effectively seals the buffer mechanism body 70 and the piston rod 81, thereby achieving a sealing effect on the buffer mechanism body 70 and avoiding leakage of hydraulic oil inside.

The present embodiment also provides a vehicle suspension buffer system, including the above-mentioned vehicle suspension buffer device, on the one hand, can prevent that debris such as grit, fragment of brick from easily blocking into shock-absorbing spring 60 in the vehicle driving process to avoid causing and hang the card and stop. On the other hand, the cushion ring 72 can effectively seal the cushion mechanism main body 70 and the piston rod 81, so that the sealing effect on the cushion mechanism main body 70 is achieved, and the hydraulic oil in the cushion mechanism main body is prevented from leaking.

It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.

Claims (10)

1. The utility model provides a vehicle suspension buffer, its characterized in that, including buffer gear main part (70), piston (80), shock-absorbing spring (60) and visor (10), buffer gear main part (70) one end is connected with first connecting piece (21), the other end with piston (80) telescopic connection, piston (80) are equipped with piston rod (81), piston rod (81) are kept away from one end of buffer gear main part (70) is connected with second connecting piece (22), shock-absorbing spring (60) cover is located outside buffer gear main part (70), visor (10) are equipped with the protection chamber, buffer gear main part (70) with shock-absorbing spring (60) cladding completely in the protection chamber, first connecting piece (21) with second connecting piece (22) expose outside visor (10).

2. The vehicle suspension damping device according to claim 1, characterized in that the protective cover comprises a first protective cover (11) and a second protective cover (12), the first protective cover (11) and the second protective cover (12) enclosing the protective cavity.

3. The vehicle suspension buffer device according to claim 2, wherein the first protective cover (11) is provided with a first initial cavity (114), the second protective cover (12) is provided with a second initial cavity (124), and the first initial cavity (114) and the second initial cavity (124) are connected and formed with the protective cavity.

4. The vehicle suspension buffer device according to claim 1, wherein the protective cover (10) comprises a cover body (111), a first end cover (112) and a second end cover (113), the first end cover (112) and the second end cover (113) are respectively connected to two ends of the cover body (111), the first end cover (112) is provided with a first connection port (101) capable of exposing the first connection piece (21), and the second end cover (113) is provided with a second connection port (102) capable of exposing the second connection piece (22).

5. The vehicle suspension damping device according to claim 1, characterized in that one end of the piston (80) away from the damping mechanism main body (70) is connected with a first fixed chuck (52), the first fixed chuck (52) is provided with a connecting port penetrating through the upper and lower surfaces of the first fixed chuck (52), and the piston rod (81) is penetrated through the connecting port; a second fixed chuck (51) is arranged at one end, far away from the piston (80), of the buffer mechanism main body (70), and the second fixed chuck (51) is positioned between the buffer mechanism main body (70) and the first connecting piece (21); one end of the shock absorbing spring (60) is abutted against the first fixed chuck (52), and the other end is abutted against the second fixed chuck (51).

6. The vehicle suspension damping device according to claim 5, characterized in that a fixed block (30) is connected between the second fixed chuck (51) and the first connecting piece (21).

7. The vehicle suspension damping device according to claim 5, characterized in that the first stationary chuck (52) is detachably connected to the protective cover (10), and the second stationary chuck (51) is detachably connected to the protective cover (10).

8. The vehicle suspension damping device according to any one of claims 1-7, characterized in that a hydraulic chamber (71) is formed in the damping mechanism body (70) and arranged axially along the damping mechanism body (70), the piston (80) is further provided with a piston head (82) connected to the piston rod (81), the piston head (82) is accommodated in the hydraulic chamber (71), and the piston (80) is movable axially along the hydraulic chamber (71).

9. The vehicle suspension damping device according to claim 8, characterized in that the end of the damping mechanism body (70) remote from the first connecting piece (21) is a sealing end, a gasket (72) is arranged in the hydraulic chamber (71) at the sealing end, and the piston rod (81) is in interference fit with the gasket (72).

10. A vehicle suspension damping system comprising a vehicle suspension damping device according to any one of claims 1-9.