CN215596273U

CN215596273U - High-strength automobile shock absorber

Info

Publication number: CN215596273U
Application number: CN202122184381.1U
Authority: CN
Inventors: 潘其程
Original assignee: Zhejiang Hongjian Rubber And Plastic Co ltd
Current assignee: Zhejiang Hongjian Rubber And Plastic Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-21
Anticipated expiration: 2031-09-09

Abstract

The utility model provides a high-strength automobile shock absorber, and belongs to the technical field of shock absorbers. It has solved the not good problem of dustproof effect of current bumper shock absorber. This high strength automobile shock absorber ware, including the bumper shock absorber body, the bumper shock absorber body is by the piston rod, spring and piston base are constituteed, inside piston rod sliding connection piston base, and piston base inside has special bumper shock absorber oil liquid, bumper shock absorber body outside is provided with can be with the piston rod, spring and piston base all hide in inside and have dustproof subassembly of effect, dustproof subassembly is by last dust cover, dust cover and shield are constituteed down, all have outside protruding and be used for the annular bulge of spacing installation spring on piston rod and the piston base, it connects the external screw thread all to be provided with on the annular bulge of piston rod and piston base to be located, go up the connection structure that has the joint strength between dust cover and the lower dust cover. The utility model has the advantages of improving the use strength of the shock absorber and prolonging the service life of the shock absorber.

Description

High-strength automobile shock absorber

Technical Field

The utility model belongs to the technical field of shock absorbers, relates to an automobile shock absorber, and particularly relates to a high-strength automobile shock absorber.

Background

With the development of automobile technology, automobiles are widely applied to daily life of people, in vehicle production, in order to increase the comfort of the vehicles, shock absorbers are adopted for shock absorption and buffering in an automobile chassis system, in order to quickly attenuate the vibration of a frame and an automobile body and improve the smoothness and the comfort of automobile running, shock absorbers are generally arranged on an automobile suspension system, a bidirectional-acting cylinder type shock absorber is widely adopted on the automobiles, the shock absorbers are easily damaged parts in the use process of the automobiles, the working shock absorbers of the shock absorbers are good and bad in structure, the running stability of the automobiles and the service lives of other parts are directly influenced, and therefore the shock absorbers are always in a good working state.

At present, the automobile shock absorber is generally directly exposed outside, and a spring and a piston rod are easily adhered with dust, mud or impurities, so that the friction resistance of the automobile shock absorber during movement is increased, and the service life of the automobile shock absorber is shortened.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides the high-strength automobile shock absorber which has a dustproof function, prevents the internal structure of the shock absorber from being adhered with dust, mud or impurities, further enhances the internal structure strength of the shock absorber and prolongs the service life of the shock absorber.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a high strength automobile shock absorber ware, includes the bumper shock absorber body, the bumper shock absorber body constitute by piston rod, spring and piston base, piston rod sliding connection piston base inside, just piston base inside has special bumper shock absorber oil liquid, a serial communication port, bumper shock absorber body outside be provided with can all hide piston rod, spring and piston base in inside and have dustproof effect's dustproof subassembly, dustproof subassembly constitute by last dust cover, lower dust cover and shield, piston rod and piston base on all have outside protruding and be used for spacing installation spring's annular bellying, be located all be provided with the connection external screw thread that supplies dustproof subassembly fixed connection on the annular bellying of piston rod and piston base, go up the dust cover and have the connection structure who strengthens joint strength between the dust cover down.

In foretell high strength automobile shock absorber ware, last dust cover with dustproof internal perisporium down on offer the internal thread that is connected the external screw thread cooperation and is connected, last dust cover serve and have the annular spacing portion that outwards extends and be used for restricting the dust cover and break away from, lower dust cover internal perisporium on offer the installation step that supplies the spacing installation of dust cover.

In foretell high strength automobile shock absorber ware, connection structure comprises the ring type seal who strengthens its leakproofness and the reset spring who is used for improving its joint strength, ring type seal cover is located on the dust cover outer wall and one end is supported and is leaned on installing in the spacing portion of annular, and reset spring one end supports and leans on in the installation step, and the other end supports and leans on to install in ring type seal.

In foretell high strength automobile shock absorber ware, the shield passes through threaded connection and sets up on piston base, is located the shield inner wall on seted up the annular, just the annular in have the drier that keeps the dry of bumper shock absorber inner structure.

In the high-strength automobile shock absorber, the piston base is further sleeved with a rubber snap ring for enhancing the sealing performance of the piston base.

Compared with the prior art, this high strength automobile shock absorber ware adds dustproof subassembly, and this dustproof subassembly comprises last dust cover, lower dust cover and shield, prevents that external dust impurity adhesion from improving the life of shock absorber on spring and piston rod, should go up the dust cover in addition and adopt sliding connection structural style with lower dust cover to be provided with the connection structure who strengthens its joint strength at this junction, further improved shock absorber service strength and life.

Drawings

Fig. 1 is a sectional structural view of a high-strength automobile shock absorber.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure, 1, a shock absorber body; 2. a piston rod; 3. a spring; 4. a piston base; 5. an upper dust cover; 6. a lower dust cover; 7. a dust cover; 8. an annular boss; 9. an annular limiting part; 10. mounting a step; 11. an annular seal ring; 12. a ring groove; 13. a rubber snap ring; 14. a return spring.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in FIG. 1 and FIG. 2, the high-strength automobile shock absorber comprises a shock absorber body 1, wherein the shock absorber body 1 is composed of a piston rod 2, a spring 3 and a piston base 4, the piston rod 2 is slidably connected with the inside of the piston base 4, a special shock absorber oil liquid is arranged inside the piston base 4, a dustproof assembly which can hide the piston rod 2, the spring 3 and the piston base 4 inside and has a dustproof effect is arranged outside the shock absorber body 1, the dustproof assembly is composed of an upper dustproof cover 5, a lower dustproof cover 6 and a dustproof cover 7, annular convex parts 8 which protrude outwards and are used for limiting and installing the spring 3 are arranged on the piston rod 2 and the piston base 4, connecting external threads for fixedly connecting the dustproof assembly are arranged on the annular convex parts 8 of the piston rod 2 and the piston base 4, and a connecting structure for enhancing the connecting strength is arranged between the upper dustproof cover 5 and the lower dustproof cover 6, through changing traditional dust cover structure, improve for by last dust cover 5, the structural style of dust cover subassembly is constituteed to lower dust cover 6 and shield 7, when the dust cover takes place to damage, need not to change whole dust cover, only need change corresponding last dust cover 5, lower dust cover 6 and shield 7 can, and at last dust cover 5 with lower dust cover 6 sliding connection department add connection structure, be used for strengthening joint strength, improve bumper shock absorber bulk strength, improve its life.

Further saying, offer the internal thread that is connected the external screw thread cooperation and is connected on last dust cover 5 and the interior perisporium of dustproof down, go up that dust cover 5 serves and have the annular spacing portion 9 that outwards extends and be used for restricting to go up dust cover 5 and break away from, offer the installation step 10 that supplies the spacing installation of dust cover 5 on the interior perisporium of lower dust cover 6.

Further saying, connection structure comprises the annular seal ring 11 of strengthening its leakproofness and the reset spring 14 that is used for improving its joint strength, 11 covers of annular seal ring are located on 5 outer walls of dust cover and one end is supported and is leaned on installing in spacing portion 9 of annular, and 14 one ends of reset spring are supported and are leaned on in installation step 10, the other end is supported and is leaned on installing in annular seal ring 11, add this connection structure, can effectual improvement dustproof subassembly's joint strength, strengthen its life, the reversing seal circle has in the connection structure, can effectively strengthen the leakproofness intensity of dust cover 5 and lower dust cover 6 sliding connection department.

Further saying, shield 7 sets up on piston base 4 through threaded connection, be located and seted up annular 12 on the 7 inner walls of shield, and have the drier that keeps the dry of bumper shock absorber inner structure in annular 12, through be provided with the drier in annular 12, can prevent effectively that 1 inner structure of bumper shock absorber body from because moisture influences in the air, cause rust or the not good problem of shock attenuation effect, add the drier, can effectively guarantee that the bumper shock absorber inner structure is dry, and service life is prolonged, and service strength is improved.

In more detail, the piston base 4 is further sleeved with a rubber snap ring 13 for enhancing the sealing performance of the piston base.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The utility model provides a high strength automobile shock absorber ware, includes bumper shock absorber body (1), bumper shock absorber body (1) constitute by piston rod (2), spring (3) and piston base (4), piston rod (2) sliding connection piston base (4) inside, just piston base (4) inside has special bumper shock absorber oil liquid, a serial communication port, bumper shock absorber body (1) outside be provided with can all hide piston rod (2), spring (3) and piston base (4) in inside and have dustproof subassembly of dustproof effect, dustproof subassembly constitute by last dust cover (5), lower dust cover (6) and shield (7), piston rod (2) and piston base (4) on all have annular bulge (8) that outside arch just is used for spacing installation spring (3), be located all be provided with on annular bulge (8) of piston rod (2) and piston base (4) and supply dustproof subassembly fixed connection The upper dust cover (5) and the lower dust cover (6) are provided with a connecting structure for enhancing the connecting strength.

2. The high-strength automobile shock absorber is characterized in that inner threads connected with the outer threads in a matched mode are formed in the inner peripheral walls of the upper dust cover (5) and the lower dust cover, an annular limiting portion (9) extending outwards and used for limiting the upper dust cover (5) to be separated is arranged at one end of the upper dust cover (5), and an installation step (10) used for limiting the upper dust cover (5) to be installed is formed in the inner peripheral wall of the lower dust cover (6).

3. The high-strength automobile shock absorber according to claim 1, wherein the connecting structure is composed of an annular sealing ring (11) for enhancing the sealing performance of the connecting structure and a return spring (14) for improving the connecting strength of the connecting structure, the annular sealing ring (11) is sleeved on the outer wall of the upper dust cover (5), one end of the annular sealing ring abuts against the annular limiting portion (9), one end of the return spring (14) abuts against the mounting step (10), and the other end of the return spring abuts against the annular sealing ring (11).

4. The high-strength automobile shock absorber according to claim 1, wherein the dust cap (7) is disposed on the piston base (4) through a threaded connection, a ring groove (12) is formed on the inner wall of the dust cap (7), and a drying agent for keeping the internal structure of the shock absorber dry is disposed in the ring groove (12).

5. A high strength automobile shock absorber according to claim 1, wherein the piston base (4) is further sleeved with a rubber snap ring (13) for enhancing the sealing performance.