CN210371799U

CN210371799U - Shock absorber assembly

Info

Publication number: CN210371799U
Application number: CN201921047820.0U
Authority: CN
Inventors: 张友飞; 王志明; 孟军强; 高健
Original assignee: Jiangsu Saleen Automotive Technology Co Ltd
Current assignee: Jiangsu Saleen Automotive Technology Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-21
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a shock absorber assembly, its structure includes the bumper shock absorber body, and the bumper shock absorber body includes that cylinder body and cover establish the damping spring in the cylinder body outside, and the bumper shock absorber body still includes stroke adjustment unit and spacing unit, and the stroke adjustment unit cover is established in the outside of cylinder body and is connected in damping spring's bottom, and stroke adjustment unit is used for driving damping spring compression or extension, and spacing unit connects in stroke adjustment unit's below and is used for spacing stroke adjustment unit in the position of cylinder body, the utility model discloses not only can adjust corresponding bumper shock absorber buffering stroke according to vehicle style needs, improved the accuracy nature that bumper shock absorber buffering stroke was adjusted simultaneously.

Description

Shock absorber assembly

The technical field is as follows:

the utility model belongs to the technical field of an automobile parts technique and specifically relates to a bumper shock absorber assembly.

Background art:

its biggest buffer stroke of ordinary bumper shock absorber assembly is fixed, can not adjust the buffer stroke, can't adjust corresponding bumper shock absorber buffer stroke according to auttombilism's needs for the use of bumper shock absorber assembly has certain limitation, and in addition, when changing bumper shock absorber buffer stroke through changing the spring, also hardly guarantee the accuracy nature that bumper shock absorber buffer stroke adjusted.

The utility model has the following contents:

the utility model aims at providing a bumper shock absorber assembly solves one or more among the above-mentioned prior art problem.

In order to solve the technical problem, the utility model provides a shock absorber assembly, its structure includes the shock absorber body, and the shock absorber body includes that cylinder body and cover establish the damping spring in the cylinder body outside, and damping spring's top is connected with the spring mount pad, and its innovation point lies in: the shock absorber body further comprises a stroke adjusting unit and a limiting unit, the stroke adjusting unit is sleeved on the outer side of the cylinder body and connected to the bottom of the shock absorbing spring, the stroke adjusting unit is used for driving the shock absorbing spring to compress or extend, and the limiting unit is connected to the position, below the stroke adjusting unit, of the limiting stroke adjusting unit and used for limiting the position of the stroke adjusting unit on the cylinder body.

Further, the stroke adjusting unit includes: the damping cylinder comprises a central tube, a lower spring mounting seat and a locking ring, wherein the central tube is sleeved on the outer side of the cylinder body, the bottom of the central tube is fixedly connected with a limiting unit, the lower spring mounting seat is connected with the outer wall of the central tube in a threaded fit manner, the bottom of the damping spring is connected with the lower spring mounting seat, the locking ring is connected with the outer wall of the central tube in a threaded fit manner, and the locking ring abuts against the bottom of the lower spring mounting seat.

Further, the lower spring mount includes: the support that supports damping spring bottom and be used for restricting damping spring along cylinder body axial motion's boss, the shape of support is unanimous with the shape of catch, boss fixed connection is at the top of support, and the center of lower spring mount pad is formed with the central through-hole that runs through the center tube, and the inner wall of central through-hole is equipped with and center tube outer wall complex screw.

Further, the shape of above-mentioned support and catch is discoid, has seted up a plurality of tight positioning groove of clamp around the global equidistance of support and catch, and the tight positioning groove of clamp is the U type.

Furthermore, above-mentioned spacing unit includes spacing ring and jump ring, and jump ring 142 card is established in the inside bottom of spacing ring, the bottom fixed connection of the top center tube of spacing ring, and cylinder body from the top down distributes and has a plurality of ring groove that can block the jump ring, and the spacing ring cover is established in the outside of cylinder body and is located the below of stroke regulating unit, and the spacing ring passes through jump ring cooperation ring groove limit stroke regulating unit.

The beneficial effects of the utility model reside in that:

1. the utility model provides a shock absorber assembly through stroke adjusting unit with damping spring compression or extend suitable length, has satisfied the car of different styles to the needs of the different bumper shock absorber buffer stroke of shock absorber assembly, and spacing unit is spacing on the cylinder body with stroke adjusting unit for damping spring keeps at the length of settlement, has improved the shock absorber assembly and has used the flexibility.

2. The utility model provides a shock absorber assembly has guaranteed damping spring at the compression or the length precision under the state of lengthening through the regulation of center tube position on the cylinder body and the regulation of lower spring mount pad in the center tube position respectively, has improved the accuracy nature of bumper shock absorber buffer stroke.

Description of the drawings:

fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is the utility model discloses stroke adjusting element and spacing unit's split schematic diagram.

The specific implementation mode is as follows:

in order to deepen the understanding of the present invention, the present invention will be further described in detail with reference to the following embodiments and the attached drawings, and the embodiments are only used for explaining the present invention, and do not constitute the limitation to the protection scope of the present invention.

As shown in fig. 1 to fig. 2, the utility model discloses a concrete implementation mode, its structure includes shock absorber body 1, shock absorber body 1 includes cylinder body 11 and cover and establishes damping spring 12 in the cylinder body 11 outside, damping spring 12's top is connected with spring mount (not marking in the picture, the field belongs to ripe structure), shock absorber body 1 still includes stroke adjusting unit 13 and spacing unit 14, stroke adjusting unit 13 cover is established in the outside of cylinder body 11 and is connected in damping spring 12's bottom, stroke adjusting unit 13 is used for driving damping spring 12 compression or extension, spacing unit 14 is connected in stroke adjusting unit 13's below and is used for spacing stroke adjusting unit 13 in the position of cylinder body 11.

The utility model discloses in, the top of bumper shock absorber body 1 with be connected with the spring mount pad, bumper shock absorber body 1's bottom has set up stroke adjustment unit 13, come compression or extension damping spring 12 through stroke adjustment unit 13, damping spring 12's compression or this extension can change damping spring 12 stroke, according to the needs of car damping spring buffering stroke, through stroke adjustment unit 13 with damping spring 12 compression or extend suitable length, it is spacing on cylinder body 11 with stroke adjustment unit 13 through spacing unit 14, make damping spring 12 keep at the length of settlement.

The stroke adjusting unit 13 includes: center tube 131, lower spring mount 2 and lock ring 132, the outside of cylinder 11 is established to the center tube 131 cover and the bottom and the spacing unit 14 fixed connection of center tube 131, and lower spring mount 2 is the screw-thread fit connection and the bottom and the lower spring mount 132 of damping spring 12 are connected with the outer wall of center tube 131, and lock ring 132 is the screw-thread fit connection and lock ring 132 is closely by the bottom of lower spring mount 2 with the outer wall of center tube 131, and above-mentioned lower spring mount 2 includes: support the support 21 of damping spring 12 bottom and be used for restricting damping spring 12 along the boss 22 of cylinder body 11 axial motion, the shape of support 21 is unanimous with the shape of lock ring 132, boss 22 fixed connection is at the top of support 21, the center of lower spring mount pad 2 is formed with the central through-hole 3 that runs through center tube 131, the inner wall of central through-hole 3 is equipped with and center tube 131 outer wall complex screw thread, the shape of above-mentioned support 21 and lock ring 132 is discoid, a plurality of tight positioning groove 4 of clamp have been seted up around support 21 and lock ring 132 global equidistance, it is the U type to press from both sides tight positioning groove 4.

In the utility model, when compressing the damping spring 12, the central tube 131 is moved upwards along the axial direction of the cylinder body 11, because the lower spring mounting seat 2 is connected and fixed with the outer wall thread of the central tube 131 in a matching way, and the bottom of the damping spring 12 is supported on the support 21, the central tube 131 is matched with the lower spring mounting seat 2 to compress the damping spring 12 for the first time, after the first compression is finished, because the lower spring mounting seat 2 is connected with the outer wall thread of the central tube 131 in a matching way, the lower spring mounting seat 2 can be screwed upwards or downwards along the axial direction of the central tube 131 through the clamping and positioning groove 4 on the wrench clamping support 21, the compression length of the damping spring 12 in the compression state is finely adjusted, after the length adjustment of the damping spring 12 in the compression state is finished, the clamping and positioning groove 4 on the lock ring 132 is clamped through the wrench, the lock ring 132 is rotated, the locking ring 132 abuts against the bottom of the seat 21, ensuring the stability of the lower spring mounting 2 on the central tube 131; when the damping spring 12 is stretched, the central tube 131 moves downwards along the axial direction of the cylinder 11, because the lower spring mounting seat 2 is fixedly connected with the outer wall of the central tube 131 in a threaded fit manner, on one hand, the top of the damping spring 12 is connected on the upper spring mounting seat, on the other hand, the bottom of the damping spring 12 is supported on the support seat 21 and is matched with the boss 22 for limiting the axial movement of the damping spring 12 along the cylinder 11, the central tube 131 is matched with the lower spring mounting seat 2 to stretch the damping spring 12 for the first time, after the first stretching is finished, because the lower spring mounting seat 2 is connected with the outer wall of the central tube 131 in a threaded fit manner, the lower spring mounting seat 2 can be screwed upwards or downwards along the axial direction of the central tube 131 through the clamping positioning groove 4 on the wrench clamping support seat 21, and the stretching length of the damping spring 12 in a stretching state can be finely adjusted, after the length adjustment of the damper spring 12 in the elongated state is completed, the locking ring 132 is rotated by clamping the clamping positioning groove 4 of the locking ring 132 by a wrench, so that the locking ring 132 abuts against the bottom of the seat 21, and the stability of the lower spring mounting seat 2 on the center tube 131 is ensured.

The limiting unit 14 comprises a limiting ring 141 and a clamp spring 142, the clamp spring 142 is clamped at the bottom end inside the limiting ring 141, the top of the limiting ring 141 is fixedly connected with the bottom of the central tube 131, a plurality of annular clamping grooves 5 capable of clamping the clamp spring 142 are distributed on the cylinder body 11 from top to bottom, the limiting ring 141 is sleeved outside the cylinder body 11 and is located below the stroke adjusting unit 13, and the limiting ring 141 is matched with the annular clamping grooves 5 through the clamp spring 142 to limit the stroke adjusting unit 13.

The utility model discloses in, when moving up or moving down center tube 131 along 11 axial directions of cylinder body, because center tube 131's bottom and spacing ring 141 fixed connection, spacing unit 14 follows center tube 131 and moves, when moving center tube 131 to suitable position, makes the position that spacing center tube 131 stayed on cylinder body 11 through the cooperation of jump ring 142 and ring groove 5 spacing fixed.

When the utility model is used, when the required buffer stroke length of the shock absorber is a, a is larger than the length of the damping spring 12, at this time, the damping spring 12 needs to be elongated, the central tube 131 moves downwards along the axial direction of the cylinder body 11, the central tube 131 cooperates with the lower spring mounting seat 2 to perform the first elongation of the damping spring 12, because the elasticity of the damping spring 12 is relatively large, it is difficult to ensure that the first elongation of the damping spring 12 is difficult to ensure that the length of the damping spring 12 is accurate to a, after the first elongation is finished, the clamping and positioning groove 4 on the support 21 is clamped by a wrench, the lower spring mount 2 can be screwed axially up or down along the central tube 131, the elongation length of the damping spring 12 in the elongated state is finely adjusted, so that the elongation length of the damping spring 12 is accurate to a, and the elongation precision control of the damping spring 12 is ensured; when the required bumper shock absorber buffering stroke length is b, b is less than the length of damping spring 12, need compress damping spring 12 this moment, move center tube 131 up along the axial of cylinder body 11, center tube 131 cooperates spring mount 2 down and carries out the first compression to damping spring 12, because damping spring 12's elasticity is great, it is difficult to guarantee that damping spring 12's the first compression is difficult to guarantee that damping spring 12's length is accurate b, after the first compression finishes, press from both sides tight positioning groove 4 on the tight support 21 through the spanner, can twist down spring mount 2 along center tube 131 axial up or down, finely tune damping spring 12's under the extension state compression length, make damping spring 12's compression length accurate b, the accuracy control of damping spring 12 compression has been guaranteed.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a shock absorber assembly, its structure includes shock absorber body (1), shock absorber body (1) includes cylinder body (11) and cover and establishes damping spring (12) in the cylinder body (11) outside, damping spring (12)'s top is connected with spring mount pad, its characterized in that: shock absorber body (1) still includes stroke control unit (13) and spacing unit (14), stroke control unit (13) cover is established the outside of cylinder body (11) and is connected the bottom of damping spring (12), stroke control unit (13) are used for driving damping spring (12) compression or extension, spacing unit (14) are connected the below of stroke control unit (13) just is used for spacingly stroke control unit (13) are in the position of cylinder body (11).

2. A shock absorber assembly as set forth in claim 1 wherein: the stroke adjustment unit (13) comprises: the damping device comprises a central tube (131), a lower spring mounting seat (2) and a locking ring (132), wherein the central tube (131) is sleeved on the outer side of the cylinder body (11), the bottom of the central tube (131) is fixedly connected with the limiting unit (14), the lower spring mounting seat (2) is in threaded fit connection with the outer wall of the central tube (131), the bottom of the damping spring (12) is connected with the lower spring mounting seat (2), the locking ring (132) is in threaded fit connection with the outer wall of the central tube (131), and the locking ring (132) abuts against the bottom of the lower spring mounting seat (2).

3. A shock absorber assembly as set forth in claim 2 wherein: the lower spring mount (2) includes: the damping spring mounting structure comprises a support (21) supporting the bottom of the damping spring (12) and a boss (22) used for limiting the damping spring (12) to move axially along the cylinder body (11), wherein the shape of the support (21) is consistent with that of the locking ring (132), the boss (22) is fixedly connected to the top of the support (21), a central through hole (3) penetrating through the central pipe (131) is formed in the center of the lower spring mounting seat (2), and threads matched with the outer wall of the central pipe (131) are arranged on the inner wall of the central through hole (3).

4. A shock absorber assembly as set forth in claim 3 wherein: the support (21) and the locking ring (132) are both disc-shaped, a plurality of clamping and positioning grooves (4) are formed around the peripheral surfaces of the support (21) and the locking ring (132) at equal intervals, and the clamping and positioning grooves (4) are U-shaped.

5. A shock absorber assembly as set forth in claim 2 wherein: spacing unit (14) include spacing ring (141) and jump ring (142), jump ring (142) card is established the inside bottom of spacing ring (141), the top of spacing ring (141) with the bottom fixed connection of center tube (131), cylinder body (11) from the top down distributes and has a plurality ofly to block ring groove (5) of jump ring (142), spacing ring (141) cover is established the outside of cylinder body (11) and is located the below of stroke control unit (13), spacing ring (141) pass through jump ring (142) cooperation ring groove (5) are spacing stroke control unit (13).