CN-224229158-U - Dustproof structure of automobile shock absorber piston rod

Abstract

The utility model relates to the technical field of automobile shock absorbers and discloses a dustproof structure of a piston rod of an automobile shock absorber, wherein the inside of the shock absorber body is connected with the piston rod body in a sliding manner, a protection mechanism is arranged on the periphery of the piston rod body, the bottom of the inner side of the protection mechanism is provided with the dustproof mechanism, the dustproof mechanism comprises a mounting cylinder, the mounting cylinder is arranged on the inner side of the protection mechanism, a telescopic rod is fixedly connected on the inner side of the mounting cylinder, a dust removing plate is fixedly connected on the inner side of the telescopic rod, a spring is sleeved on the periphery of the telescopic rod, a rubber plate is fixedly connected on the outer side of the dust removing plate, the rubber plate is fixedly connected on the inner side of the mounting cylinder, and a mounting bolt is connected in a threaded manner inside the mounting cylinder. The combination of telescopic link and spring makes the dust collecting plate can follow piston rod motion self-adaptation laminating, and the elasticity buffering of spring can avoid hard friction to damage the piston rod surface, and when piston rod reciprocating motion, dust collecting plate can clear up the dust on bumper shock absorber body surface.

Inventors

• LIU ZHENGUO
• ZHAO AIHUA
• LIU YING

Assignees

• 扬州德华尔汽车科技有限公司

Dates

Publication Date

20260512

Application Date

20250701

Claims (6)

1. 1. The dustproof structure of the automobile shock absorber piston rod comprises a shock absorber body (1) and is characterized in that the inside of the shock absorber body (1) is connected with a piston rod body (4) in a sliding mode, a protection mechanism (2) is arranged on the periphery of the piston rod body (4), and a dustproof mechanism (3) is arranged at the bottom of the inner side of the protection mechanism (2); Dustproof mechanism (3) are including installation section of thick bamboo (31), installation section of thick bamboo (31) set up in protection machanism (2) inboard, installation section of thick bamboo (31) inboard fixedly connected with telescopic link (32), telescopic link (32) inboard fixedly connected with dust removal board (34), spring (33) have been cup jointed in telescopic link (32) periphery, dust removal board (34) outside fixedly connected with rubber slab (35), rubber slab (35) fixedly connected with is inboard in installation section of thick bamboo (31), installation section of thick bamboo (31) internal thread is connected with mounting bolt (36), installation section of thick bamboo (31) top fixedly connected with slider (37).
2. 2. The dustproof structure of the piston rod of the automobile shock absorber according to claim 1, wherein the protection mechanism (2) comprises a mounting plate (24), the mounting plate (24) is slidably connected to the periphery of the piston rod body (4), a rotating bolt (23) is inserted into the mounting plate (24), the rotating bolt (23) is slidably connected to the inside of the piston rod body (4), a nut (22) is in threaded connection with the bottom of the periphery of the rotating bolt (23), a protection cylinder (21) is fixedly connected to the inner side of the bottom of the mounting plate (24), and the protection cylinder (21) is slidably connected to the periphery of the shock absorber body (1).
3. 3. The dustproof structure of the piston rod of the automobile shock absorber according to claim 1, wherein the inner side of the spring (33) is fixedly connected to the inner side of the dust removing plate (34), and the outer side of the spring (33) is fixedly connected to the inner side of the mounting cylinder (31).
4. 4. The dustproof structure of the piston rod of the automobile shock absorber according to claim 2, wherein a sliding groove corresponding to the movement track of the sliding block (37) is formed in the inner side of the protection cylinder (21), and the sliding block (37) is connected inside the sliding groove in a sliding mode.
5. 5. A dustproof structure of a piston rod of an automobile shock absorber as set forth in claim 2, wherein a threaded hole corresponding to the position of the mounting bolt (36) is formed in the protective cylinder (21), and the mounting bolt (36) is screwed inside the threaded hole.
6. 6. The dustproof structure of the piston rod of the automobile shock absorber according to claim 1, wherein the dust removing plate (34) is arranged on the periphery of the shock absorber body (1), and the inner side of the dust removing plate (34) is mutually attached to the periphery of the shock absorber body (1).

Description

Dustproof structure of automobile shock absorber piston rod Technical Field The utility model relates to the technical field of automobile shock absorbers, in particular to a dustproof structure of a piston rod of an automobile shock absorber. Background The automobile shock absorber is an important component part of an automobile suspension system, the performance of the automobile shock absorber directly influences the driving comfort and the driving safety of an automobile, a piston rod of the shock absorber frequently reciprocates in the driving process of the automobile, and foreign matters such as dust, sediment and the like outside are easily attached to the surface of the piston rod. If the impurities such as dust cannot be cleaned in time, the dust possibly contains some corrosive substances, and the corrosive substances adhere to the outer wall of the hydraulic cylinder, so that the metal surface is corroded. The corrosion can make the metal strength of the outer wall of the hydraulic cylinder decline, shortens the service life of the shock absorber, and simultaneously also can influence the structural stability of the shock absorber, has the potential safety hazard, and therefore needs to be improved. Disclosure of utility model The utility model aims to provide a dustproof structure of a piston rod of an automobile shock absorber, so as to solve the problems in the background art. The dustproof structure of the automobile shock absorber piston rod comprises a shock absorber body, wherein the shock absorber body is internally connected with the piston rod body in a sliding manner, a protection mechanism is arranged on the periphery of the piston rod body, and a dustproof mechanism is arranged at the bottom of the inner side of the protection mechanism; The dustproof mechanism comprises a mounting cylinder, the mounting cylinder is arranged on the inner side of the protection mechanism, a telescopic rod is fixedly connected on the inner side of the mounting cylinder, a dust removing plate is fixedly connected on the inner side of the telescopic rod, a spring is sleeved on the periphery of the telescopic rod, a rubber plate is fixedly connected on the outer side of the dust removing plate, the rubber plate is fixedly connected on the inner side of the mounting cylinder, a mounting bolt is connected with the inner side of the mounting cylinder in a threaded manner, and a sliding block is fixedly connected on the top of the mounting cylinder. Preferably, the protection mechanism comprises a mounting plate, the mounting plate is connected with the periphery of the piston rod body in a sliding mode, a rotating bolt is inserted into the mounting plate, the rotating bolt is connected with the inside of the piston rod body in a sliding mode, a nut is connected with the bottom of the periphery of the rotating bolt in a threaded mode, a protection cylinder is fixedly connected with the inner side of the bottom of the mounting plate, and the protection cylinder is connected with the periphery of the shock absorber body in a sliding mode. Preferably, the spring is inboard fixed connection in the dust collecting plate inboard, and spring outside fixed connection is inboard in the installation section of thick bamboo, uses through the cooperation of spring and telescopic link, makes the dust collecting plate inner wall can laminate each other with bumper shock absorber body outer wall, when making the dust collecting plate remove, can laminate each other to bumper shock absorber body outer wall. Preferably, a sliding groove corresponding to the movement track of the sliding block is formed in the inner side of the protection cylinder, the sliding block is connected to the inside of the sliding groove in a sliding mode, the sliding block can slide in the protection cylinder through the formed sliding groove, and the installation cylinder can be initially installed on the inner side of the protection cylinder. Preferably, the protection cylinder is internally provided with a threaded hole corresponding to the position of the mounting bolt, the mounting bolt is in threaded connection with the inner side of the threaded hole, and the mounting bolt can mount the mounting cylinder on the inner side of the protection cylinder through the provided threaded hole. Preferably, the dust collecting plate is arranged on the periphery of the shock absorber body, the inner side of the dust collecting plate is mutually attached to the periphery of the shock absorber body, and dust on the outer wall of the shock absorber body can be cleaned through the dust collecting plate. Compared with the prior art, the utility model provides a dustproof structure of a piston rod of an automobile shock absorber, which has the following beneficial effects: 1. This dustproof construction of automobile shock absorber piston rod, among the dustproof mechanism, the combination of telescopic link and spring makes the dust removal board can follow