Automobile suspension shock absorber

Abstract

The utility model discloses an automobile suspension damper, and relates to the field of automobile damping parts. The automobile suspension shock absorber comprises a shock absorption damping piece and a shock absorption spring, a connecting mechanism is arranged on the shock absorption spring, and the shock absorption damping piece comprises a piston cylinder and a piston rod; the connecting mechanism comprises a top end positioning piece and a bottom end positioning piece which are mounted at two ends of the damping spring; the top end positioning piece comprises a fixing ring and a rubber ring arranged in the fixing ring; the fixing ring and the piston cylinder are fixedly installed, the rubber ring is slidably connected to the outer wall of the piston rod, and the top end of the damping spring is movably inserted between the fixing ring and the rubber ring. According to the automobile suspension shock absorber, the bottom end positioning piece is used for positioning and supporting the bottom end of the shock absorption spring through a built-in mounting ring, meanwhile, the top end positioning piece is used for supporting and positioning the top end of the shock absorption spring through a rubber pad in a T-shaped supporting part, and meanwhile, the rubber ring is used for scraping stains on the outer wall when a piston rod stretches out and draws back; therefore, effective noise reduction and service life prolonging are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile shock absorber, specifically is a kind of automobile suspension shock absorber. BACKGROUND

[0002] Automobile suspension is the connecting component between the frame of automobile and wheel axle, and shock absorber is usually contained in suspension, which is used to weaken the vibration in the process of transmission of bumping in the process of wheel running to frame, and most of the suspension shock absorbers of present domestic automobile are realized by shock-absorbing damping external installation shock-absorbing spring.

[0003] In use, elastic support is realized by shock-absorbing spring, and in bumping, spring deformation occurs, and damper extends and retracts, so as to quickly weaken the elastic potential energy of spring, and rapid shock-absorbing effect is achieved, however, in actual use, shock-absorbing spring is usually directly sleeved on the outer surface of piston rod of damper, and in extension and retraction, spring end portion collides with shock-absorbing cylinder and bottom end of piston rod, and large noise is generated, and in extension and retraction of piston rod, external stain is easily brought into shock-absorbing cylinder, which causes cylinder scratch, and internal hydraulic oil is leaked, so as to cause shock absorber to be scrapped, therefore, a kind of automobile suspension shock absorber is provided to solve the above problems. SUMMARY

[0004] In view of the deficiencies of prior art, the utility model provides a kind of automobile suspension shock absorber, solve the existing automobile suspension shock absorber in use, spring end portion collides with shock-absorbing cylinder and bottom end of piston rod, and in extension and retraction of piston rod, external stain is easily brought into shock-absorbing cylinder, which causes cylinder scratch, not only there is large noise, simultaneously also greatly reduce the service life of equipment problem.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of automobile suspension shock absorber, including shock-absorbing damping piece and shock-absorbing spring installed on the outer surface of shock-absorbing damping piece, connection mechanism is arranged on the shock-absorbing spring, and the connection mechanism includes top end positioning piece and bottom end positioning piece installed at both ends of shock-absorbing spring;

[0006] The shock-absorbing damping piece includes piston cylinder and piston rod movably inserted in the piston cylinder;

[0007] The top end positioning piece includes fixed ring and rubber ring arranged in the fixed ring;

[0008] The fixed ring is fixedly installed with the piston cylinder, the rubber ring is slidably connected to the outer wall of the piston rod, and the top end of the shock-absorbing spring is movably inserted between the fixed ring and the rubber ring.

[0009] Preferably, the end of the piston cylinder opposite to the piston rod is fixedly welded with a shaft sleeve, and the shaft sleeve is fixedly installed with a bushing in the inside.

[0010] Preferably, the inner part of the fixing ring is integrally formed with a T-shaped support part, the lower end surface of the T-shaped support part is concave, and a rubber pad is fixedly arranged in the concave lower end surface.

[0011] Preferably, the rubber ring is fixedly adhered to the inner ring of the T-shaped support part.

[0012] Preferably, the top end of the damping spring is fixedly welded with a butt joint ring, and the butt joint ring abuts against the rubber pad.

[0013] Preferably, the top part of the butt joint ring is fixedly welded with a fixing strip, the fixing strip penetrates through the T-shaped support part and the rubber pad, and the fixing strip is fixedly installed on the outer wall of the piston cylinder through bolts.

[0014] Preferably, the bottom end positioning member comprises a conical support head, an anti-skid rubber ring and an embedded mounting ring, the embedded mounting ring is integrally formed at the top end of the conical support head, and the anti-skid rubber ring is fixedly adhered to the inner part of the conical support head.

[0015] Preferably, the bottom end of the damping spring is movably sleeved on the outer surface of the embedded mounting ring, the damping spring abuts against the top end surface of the conical support head, and the embedded mounting ring is fixedly installed on the piston rod through bolts.

[0016] The utility model discloses an automobile suspension shock absorber, which has the following beneficial effects: by installing the top end positioning member and the bottom end positioning member on the two ends of the damping spring respectively, the bottom end positioning member positions and supports the bottom end of the damping spring through the embedded mounting ring, the top end positioning member supports and positions the top end of the damping spring through the rubber pad in the T-shaped support part, and the rubber ring is used for scraping off the outer wall stains when the piston rod is stretched or retracted, thereby realizing effective noise reduction and prolonging the service life. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0018] Fig. 1 It is the overall outer surface structure schematic diagram of the utility model;

[0019] Fig. 2 It is the outer surface structure explosion drawing of the shock damping member of the utility model;

[0020] Fig. 3 It is the connection mechanism structure schematic diagram of the utility model.

[0021] In the figure: 1, shock damping part; 11, piston cylinder; 12, piston rod; 13, shaft sleeve; 14, bushing; 2, shock spring; 3, connecting mechanism; 31, top end positioning part; 311, fixed ring; 312, T-shaped support part; 313, butt joint ring; 314, rubber pad; 315, rubber ring; 316, fixed strip; 32, bottom end positioning part; 321, conical support head; 322, anti-skid rubber ring; 323, built-in mounting ring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] The automobile suspension shock absorber provided by the embodiments of the application solves the problem that the spring end portion collides with the shock cylinder and the bottom end of the piston rod when the existing automobile suspension shock absorber is used, and the piston rod is easy to bring external stains into the shock cylinder when it is extended and retracted, causing scratches in the cylinder, which not only has large noise, but also greatly reduces the service life of the equipment.

[0024] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.

[0025] The utility model discloses a kind of automobile suspension shock absorbers.

[0026] According to the drawings Figs. 1-3 As shown, including shock damping part 1 and shock spring 2 installed on the outer surface of shock damping part 1, shock spring 2 is provided with connecting mechanism 3, and connecting mechanism 3 includes top end positioning part 31 and bottom end positioning part 32 installed at both ends of shock spring 2.

[0027] Shock damping part 1 includes piston cylinder 11 and piston rod 12 movably inserted into piston cylinder 11.

[0028] Top end positioning part 31 includes fixed ring 311 and rubber ring 315 arranged in fixed ring 311.

[0029] Fixed ring 311 is fixedly installed with piston cylinder 11, rubber ring 315 is slidably connected to the outer wall of piston rod 12, and the top end of shock spring 2 is movably inserted between fixed ring 311 and rubber ring 315.

[0030] The shaft sleeve 13 is fixedly welded at the end of the piston cylinder 11 opposite to the piston rod 12.

[0031] The T-shaped support part 312 is integrally formed inside the fixed ring 311, the lower end surface of the T-shaped support part 312 is concave, and the rubber pad 314 is fixedly arranged in the concave lower end surface, and the rubber ring 315 is fixedly adhered to the inner ring of the T-shaped support part 312.

[0032] The butt joint ring 313 is fixedly welded at the top end of the shock absorbing spring 2, and the butt joint ring 313 abuts against the rubber pad 314.

[0033] The fixed strip 316 is fixedly welded at the top of the butt joint ring 313, penetrates the T-shaped support part 312 and the rubber pad 314, and is fixedly installed on the outer wall of the piston cylinder 11 through bolts, so as to fix the top end of the shock absorbing spring 2 in the T-shaped support part 312, and utilize the rubber pad 314 for shock absorption and anti-friction.

[0034] The bottom positioning part 32 includes a conical support head 321, an anti-skid rubber ring 322 and an embedded mounting ring 323, the embedded mounting ring 323 is integrally formed at the top end of the conical support head 321, and the anti-skid rubber ring 322 is fixedly adhered inside the conical support head 321, so as to avoid the rigid contact between the conical support head 321 and the piston rod 12, thereby avoiding abrasion.

[0035] The bottom end of the shock absorbing spring 2 is movably sleeved on the outer surface of the embedded mounting ring 323, and the shock absorbing spring 2 abuts against the top end surface of the conical support head 321, the embedded mounting ring 323 is fixedly installed on the piston rod 12 through bolts, and the embedded mounting ring 323 is inside the shock absorbing spring 2, which can protect the embedded mounting ring 323 on one hand, and can make the shock absorbing spring 2 centrally located at the bottom end, thereby avoiding friction with the piston rod 12 on the other hand.

[0036] By installing the top positioning part 31 and the bottom positioning part 32 at both ends of the shock absorbing spring 2 respectively, the bottom positioning part 32 positions and supports the bottom end of the shock absorbing spring 2 through the embedded mounting ring 323, and the top positioning part 31 supports and positions the top end of the shock absorbing spring 2 through the rubber pad 314 in the T-shaped support part 312, and the rubber ring 315 scrapes off the outer wall stains when the piston rod 12 is stretched and contracted, so as to effectively reduce noise and prolong the service life.

[0037] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A shock absorber for a vehicle suspension, comprising a shock absorbing damper member (1) and a shock absorbing spring (2) mounted on the outer surface of the shock absorbing damper member (1), characterized in that, The damping spring (2) is provided with a connecting mechanism (3), which comprises top positioning members (31) and bottom positioning members (32) mounted at both ends of the damping spring (2); The damping member (1) comprises a piston cylinder (11) and a piston rod (12) movably inserted into the piston cylinder (11); The top positioning member (31) comprises a fixed ring (311) and a rubber ring (315) arranged in the fixed ring (311); The fixed ring (311) is fixedly mounted on the piston cylinder (11), the rubber ring (315) is slidably connected to the outer wall of the piston rod (12), and the top end of the damping spring (2) is movably inserted between the fixed ring (311) and the rubber ring (315).

2. A motor vehicle suspension damper as defined in claim 1 wherein: The piston cylinder (11) and the piston rod (12) are respectively fixedly welded with a shaft sleeve (13) at the opposite end, and the shaft sleeve (13) is fixedly mounted with a bushing (14) inside.

3. The automotive suspension shock absorber of claim 1 wherein: The fixed ring (311) is integrally formed with a T-shaped support portion (312) inside, the lower end surface of the T-shaped support portion (312) is concave, and the concave lower end surface is fixedly provided with a rubber pad (314).

4. A motor vehicle suspension damper as defined in claim 3 wherein: The rubber ring (315) is fixedly adhered to the inner ring of the T-shaped support portion (312).

5. A motor vehicle suspension damper as defined in claim 3 wherein: The top end of the damping spring (2) is fixedly welded with a butt joint ring (313), and the butt joint ring (313) abuts against the rubber pad (314).

6. A motor vehicle suspension damper as defined in claim 5 wherein: The top of the butt joint ring (313) is fixedly welded with a fixed strip (316), the fixed strip (316) penetrates through the T-shaped support portion (312) and the rubber pad (314), and the fixed strip (316) and the outer wall of the piston cylinder (11) are fixedly mounted by bolts.

7. The automotive suspension shock absorber of claim 1 wherein: The bottom positioning member (32) comprises a conical support head (321), an anti-skid rubber ring (322) and an embedded mounting ring (323), the embedded mounting ring (323) is integrally formed at the top end of the conical support head (321), and the anti-skid rubber ring (322) is fixedly adhered inside the conical support head (321).

8. A motor vehicle suspension damper according to claim 7 wherein: The bottom end of the damping spring (2) is movably sleeved on the outer surface of the embedded mounting ring (323), and the damping spring (2) abuts against the top end surface of the conical support head (321), and the embedded mounting ring (323) is fixedly mounted with the piston rod (12) by bolts.

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