CN210830272U

CN210830272U - Automobile chassis shock absorber with good fatigue resistance

Info

Publication number: CN210830272U
Application number: CN201921256083.5U
Authority: CN
Inventors: 吴汉; 罗莉莉
Original assignee: Xiangyang Huaxinyuan Auto Parts Co ltd
Current assignee: Xiangyang Huaxinyuan Auto Parts Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-06-23
Anticipated expiration: 2029-08-05

Abstract

The utility model belongs to the technical field of the automobile parts technique and specifically relates to an automobile chassis bumper shock absorber that endurance performance is good, the mounting panel comprises a mounting plate, mounting panel upper surface middle part fixed mounting has the installation sleeve, the interpolation of installation sleeve is equipped with the shock absorber pole, through fastening device fixed connection between shock absorber pole and the installation sleeve, shock absorber pole outside lower part fixed mounting has lower spring holder, go up spring holder lower surface and the equal fixed mounting in lower spring holder upper surface have the spring pad, fixed mounting has the outer spring between two spring pads, the piston tube lower extreme is inserted and is established in the installation sleeve, piston rod upper end fixed mounting is at the spring pad lower surface that is located spring holder lower surface, the piston rod lower extreme is inserted and is established in the piston tube and fixed mounting has the piston, piston rod outside lower part cover. The automobile chassis shock absorber with good fatigue resistance has strong shock absorption performance and fatigue resistance performance, is convenient to assemble and disassemble, and has high practicability.

Description

Automobile chassis shock absorber with good fatigue resistance

Technical Field

The utility model relates to an automobile parts technical field especially relates to a car chassis bumper shock absorber that endurance performance is good.

Background

The chassis shock absorber is mainly used for absorbing shock of an automobile, and aims to improve driving comfort and maintain steering stability. And present bumper shock absorber mounting structure is very heavy, and the assembling process is comparatively loaded down with trivial details complicated, and the dismantlement process is also very troublesome to be not convenient for carry out regular maintenance and maintenance to it, the support intensity and the structural strength of the bumper shock absorber among the prior art are lower moreover, thereby can lead to its fatigue resistance can be relatively poor, can reduce the life of bumper shock absorber. Therefore, in view of the above problems, improvement thereof is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the automobile chassis shock absorber with good fatigue resistance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the automobile chassis shock absorber with good fatigue resistance comprises a mounting plate, wherein a mounting sleeve is fixedly mounted in the middle of the upper surface of the mounting plate, a shock-absorbing rod is inserted in the mounting sleeve, the upper end of the shock-absorbing rod extends to the position right above the mounting sleeve, the shock-absorbing rod is fixedly connected with the mounting sleeve through a fastening mechanism, a lower spring seat is fixedly mounted at the lower part of the outer side of the shock-absorbing rod, an upper spring seat is fixedly mounted at the upper end of the shock-absorbing rod, spring pads are fixedly mounted on the lower surfaces of the upper spring seat and the upper surface of the lower spring seat, an outer spring is fixedly mounted between the two spring pads, the outer spring is sleeved at the upper part of the outer side of the shock-absorbing rod, the shock-absorbing rod comprises a piston rod and a piston tube, the lower end of the piston tube is inserted in the mounting sleeve, the upper end of, the piston rod is characterized in that an inner spring is sleeved on the lower portion of the outer side of the piston rod, the upper end of the inner spring is fixedly connected to the top of the inner portion of the piston tube, and the lower end of the inner spring is fixedly connected to the piston.

Preferably, fastening device includes lower mounting plate and the last mounting plate of fixed mounting in piston pipe outside lower part at the top of the installation sleeve outside, the even fixed mounting in mounting plate upper surface edge has a plurality of threaded rods down, and all runs through on the threaded rod go up the mounting plate and pass through nut fixed connection.

Preferably, the spring pad comprises a first rubber pad and a second rubber pad, and a steel ring is fixedly installed between the first rubber pad and the second rubber pad through a plurality of bolts.

Preferably, the piston rod outside cover is equipped with the dirt proof boot, and the dirt proof boot is located directly over the piston pipe.

Preferably, the lower fastening plate and the upper fastening plate are both designed in an annular structure.

The utility model provides a pair of chassis shock absorber that endurance performance is good, beneficial effect lies in:

1. this chassis shock absorber that endurance performance is good design has fastening device, through the design of mounting plate, last mounting plate and threaded rod down, can be simply convenient with shock absorber pole fixed mounting on installation sleeve and mounting panel to made things convenient for the assembling process and the dismantlement process to this chassis shock absorber, also made things convenient for to carry out regularly maintenance and maintenance to it simultaneously.

2. This chassis shock absorber that endurance performance is good design has the spring pad, through the design of first rubber pad, second rubber pad and steel ring, thereby can carry out absorbing in-process at this shock absorber and play certain compensatory action, and the steel ring sets up between first rubber pad and second rubber pad in addition, thereby can strengthen the support intensity and the structural strength of this shock absorber, and then can promote the endurance performance of this shock absorber, make this shock absorber possess stronger endurance performance, can show its life of reinforcing.

3. The automobile chassis shock absorber with good fatigue resistance is provided with the shock absorption rod, and through the design of the piston rod, the piston pipe, the piston and the inner spring, the shock absorption rod can generate enough buffering acting force under the matching of the outer spring, so that the shock absorption performance of the shock absorber is greatly enhanced.

Drawings

Fig. 1 is a schematic structural diagram of the automobile chassis shock absorber with good fatigue resistance provided by the utility model.

Fig. 2 is the structural schematic diagram of the shock-absorbing rod of the automobile chassis shock absorber with good fatigue resistance provided by the utility model.

Fig. 3 is a schematic structural diagram of the spring pad of the automobile chassis shock absorber with good fatigue resistance provided by the utility model.

Fig. 4 is a top view of the structure of the mounting sleeve, the threaded rod and the lower fastening plate of the automobile chassis shock absorber with good fatigue resistance of the present invention.

In the figure: mounting panel 1, installation sleeve 2, threaded rod 3, shock-absorbing rod 4, lower mounting plate 5, outer spring 6, spring pad 7, upper spring seat 8, first rubber pad 9, lower spring seat 10, upper mounting plate 11, piston rod 12, dirt proof boot 13, inner spring 14, piston tube 15, piston 16, second rubber pad 17, steel ring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an automobile chassis shock absorber with good endurance performance comprises a mounting plate 1, a mounting sleeve 2 is fixedly mounted in the middle of the upper surface of the mounting plate 1, a shock-absorbing rod 4 is inserted into the mounting sleeve 2, the upper end of the shock-absorbing rod 4 extends to the position right above the mounting sleeve 2, the shock-absorbing rod 4 is fixedly connected with the mounting sleeve 2 through a fastening mechanism, the fastening mechanism comprises a lower fastening plate 5 fixedly mounted at the top of the outer side of the mounting sleeve 2 and an upper fastening plate 11 fixedly mounted at the lower part of the outer side of a piston tube 15, a plurality of threaded rods 3 are uniformly and fixedly mounted at the edge of the upper surface of the lower fastening plate 5, the upper ends of the threaded rods 3 penetrate through the upper fastening plate 11 and are fixedly connected through nuts, the lower fastening plate 5 and the upper fastening plate 11 are both designed in an annular structure, the shock-absorbing rod 4 can be simply and conveniently and fixedly mounted on the mounting sleeve 2, therefore, the assembling process and the disassembling process of the automobile chassis shock absorber are facilitated, and meanwhile, the automobile chassis shock absorber is convenient to maintain and maintain regularly.

A lower spring seat 10 is fixedly arranged at the lower part of the outer side of the shock absorption rod 4, an upper spring seat 8 is fixedly arranged at the upper end of the shock absorption rod 4, spring pads 7 are fixedly arranged on the lower surface of the upper spring seat 8 and the upper surface of the lower spring seat 10, an outer spring 6 is fixedly arranged between the two spring pads 7, the outer spring 6 is sleeved at the upper part of the outer side of the shock absorption rod 4, each spring pad 7 comprises a first rubber pad 9 and a second rubber pad 17, a steel ring 18 is fixedly arranged between the first rubber pad 9 and the second rubber pad 17 through a plurality of bolts, and the steel ring 18 is arranged between the first rubber pad 9 and the second rubber pad 17, so that the supporting strength and the structural strength of the shock absorber can be enhanced, and the fatigue resistance of the shock absorber can be improved, so that the shock absorber has stronger fatigue resistance and can obviously prolong the service life of the shock absorber.

The shock absorption rod 4 comprises a piston rod 12 and a piston tube 15, the lower end of the piston tube 15 is inserted into the installation sleeve 2, the upper end of the piston rod 12 is fixedly installed on the lower surface of a spring pad 7 positioned on the lower surface of an upper spring seat 8, the lower end of the piston rod 12 is inserted into the piston tube 15 and is fixedly installed with a piston 16, an inner spring 14 is sleeved on the lower portion of the outer side of the piston rod 12, the upper end of the inner spring 14 is fixedly connected to the inner top of the piston tube 15, the lower end of the inner spring 14 is fixedly connected to the piston 16, a dustproof sleeve 13 is sleeved on the outer side of the piston rod 12 and is positioned right above the piston tube 15, the design of the piston rod 12, the piston tube 15, the piston 16 and the inner spring 14 is adopted, and then the outer spring 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The automobile chassis shock absorber with good fatigue resistance comprises a mounting plate (1) and is characterized in that a mounting sleeve (2) is fixedly mounted in the middle of the upper surface of the mounting plate (1), a shock absorption rod (4) is inserted into the mounting sleeve (2), the upper end of the shock absorption rod (4) extends to the position right above the mounting sleeve (2), the shock absorption rod (4) is fixedly connected with the mounting sleeve (2) through a fastening mechanism, a lower spring seat (10) is fixedly mounted on the lower portion of the outer side of the shock absorption rod (4), an upper spring seat (8) is fixedly mounted on the upper end of the shock absorption rod (4), spring pads (7) are fixedly mounted on the lower surface of the upper spring seat (8) and the upper surface of the lower spring seat (10), outer springs (6) are fixedly mounted between the two spring pads (7), and the outer springs (6) are sleeved on the upper portion of the outer, shock attenuation pole (4) include piston rod (12) and piston pipe (15), piston pipe (15) lower extreme is inserted and is established in installation sleeve (2), piston rod (12) upper end fixed mounting is located go up spring holder (8) lower surface spring pad (7) lower surface, piston rod (12) lower extreme is inserted and is established in piston pipe (15) and fixed mounting has piston (16), piston rod (12) outside lower part cover is equipped with inner spring (14), and inner spring (14) upper end fixed connection top in piston pipe (15), inner spring (14) lower extreme fixed connection is on piston (16).

2. The chassis shock absorber with good endurance performance as claimed in claim 1, wherein the fastening mechanism comprises a lower fastening plate (5) fixedly mounted on the top of the outer side of the mounting sleeve (2) and an upper fastening plate (11) fixedly mounted on the lower portion of the outer side of the piston tube (15), a plurality of threaded rods (3) are uniformly and fixedly mounted on the edge of the upper surface of the lower fastening plate (5), and the upper ends of the threaded rods (3) penetrate through the upper fastening plate (11) and are fixedly connected through nuts.

3. The chassis shock absorber with good endurance as claimed in claim 1, wherein said spring pad (7) comprises a first rubber pad (9) and a second rubber pad (17), and a steel ring (18) is fixedly mounted between said first rubber pad (9) and said second rubber pad (17) by a plurality of bolts.

4. The chassis shock absorber with good endurance as claimed in claim 1, wherein a dust-proof sleeve (13) is sleeved outside the piston rod (12), and the dust-proof sleeve (13) is located right above the piston tube (15).

5. The chassis shock absorber with high endurance as claimed in claim 2, wherein the lower fastening plate (5) and the upper fastening plate (11) are both designed in a ring structure.