CN220053424U

CN220053424U - Rubber bushing behind lightweight car control arm

Info

Publication number: CN220053424U
Application number: CN202321432205.8U
Authority: CN
Inventors: 向以发; 董晓峰; 杨庭华
Original assignee: Anhui Dfseal Rubber Shock Absorber Technology Co ltd
Current assignee: Anhui Dfseal Rubber Shock Absorber Technology Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2023-11-21
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a lightweight automobile control arm rear rubber bushing, which particularly relates to the technical field of automobile part manufacturing, and comprises an outer framework, wherein an inner framework is arranged in the outer framework, a rubber sleeve is arranged between the outer framework and the inner framework, an inner sleeve is arranged in the inner framework, a bump and a buffer block are arranged in the rubber sleeve, the buffer block and the bump are correspondingly arranged in a strip shape, and a buffer area is arranged between the bump and the buffer block, so that the whole weight of an automobile chassis control arm is mainly reduced, the weight of the whole automobile is reduced, the energy consumption is reduced, the cost is reduced, the design requirement of the control arm rear bushing is met, the weight is reduced by 25%, and the lightweight effect is obvious.

Description

Rubber bushing behind lightweight car control arm

Technical Field

The utility model relates to the technical field of automobile part manufacturing, in particular to a lightweight automobile control arm rear rubber bushing.

Background

The rubber bushing is formed by an outer framework, a rubber sleeve and an inner framework, the rubber sleeve, the outer framework and the inner framework are vulcanized and bonded into a whole, the performance requirement of the rubber bushing is achieved through a diameter reduction process, due to the technical performance requirement of a bushing product after the control arm, the metal tube structure in the bushing is designed into a spherical structure with a convex middle part, so that higher radial rigidity can be provided under the condition of lower rubber hardness, and the torsion and swing angle rigidity of the bushing can be reduced, thereby providing better rubber bushing performance parameters, improving the comfort and the control performance of the whole automobile and meeting the requirements of the performance of the whole automobile. The inner metal framework is produced by adopting a cold heading or hot stamping and machining process, so that the precision requirements of the appearance and the size of the inner metal framework are ensured; by the design, the performance requirement of the product can be met, but the product is large in size and heavy in weight, and cannot meet the new performance requirement.

Disclosure of Invention

The utility model aims to provide a lightweight automobile control arm rear rubber bushing to solve the technical problems in the prior art.

According to the above purpose, the basic technical scheme of the utility model is as follows: the utility model provides a rubber bush behind lightweight car control arm, includes the exoskeleton, the exoskeleton in be equipped with the inner frame, exoskeleton and inner frame between be equipped with the rubber sleeve, the inner frame in be provided with the endotheca, the rubber sleeve inside be provided with lug and buffer block, the buffer block with the lug be the corresponding setting of strip form, lug and buffer block between be provided with the buffer zone.

Furthermore, the outer framework is a cylindrical with hollowed-out middle, and the wall thickness from the two ends to the middle of the outer framework is gradually decreased.

Further, the cross section of the inner wall of the outer framework is an arc surface.

Further, a bulge meshed with the rubber sleeve is arranged in the middle of the outer wall of the inner framework.

Compared with the prior art, the utility model has the advantages and beneficial effects that:

1. the product of the utility model is provided with the buffer area and the buffer block, so that the weight of the product is reduced on the premise that the performance of the product meets the design technical performance requirement, the design requirement of light weight of an automobile is met, the energy consumption is reduced, and the use cost of the vehicle is reduced;

2. the product of the utility model is provided with the inner sleeve and the rubber sleeve, so that the overall comfort of the automobile can be improved.

Drawings

FIG. 1 is a schematic elevational view of the product of the present utility model;

FIG. 2 is a schematic top view of the product of the present utility model;

FIG. 3 is a schematic cross-sectional view of the product of the present utility model at A in plan view;

in the figure: 1. a rubber sleeve; 2. a bump; 3. a buffer area; 4. a buffer block; 5. an inner skeleton; 6. an outer skeleton; 7. an inner sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, a schematic structural diagram of an embodiment of a rubber bushing behind a lightweight automobile control arm according to the present utility model includes an outer skeleton 6, an inner skeleton 5 is disposed in the outer skeleton 6, a rubber sleeve 1 is disposed between the outer skeleton 6 and the inner skeleton 5, an inner sleeve 7 is disposed in the inner skeleton 5, a bump 2 and a buffer block 4 are disposed inside the rubber sleeve 1, the buffer block 4 and the bump 2 are disposed in a bar-shaped corresponding manner, and a buffer zone 3 is disposed between the bump 2 and the buffer block 4. The outer framework 6 is a hollow cylinder, and the wall thickness from two ends to the middle of the outer framework is gradually decreased. The cross section of the inner wall of the outer framework 6 is an arc surface. The middle part of the outer wall of the inner framework 5 is provided with a bulge meshed with the rubber sleeve 1.

The rubber bushing behind the lightweight automobile control arm mainly adopts an optimal design, selects a formed metal pipe fitting with the volume smaller than that of the original design, protrudes a spherical part in the middle of the pipe fitting, adopts high-strength polypropylene material and metal inner pipe to be subjected to injection molding and bonding (weight 102 g), adopts a cold heading or hot punching production process, only adopts the metal pipe fitting with the same material, is subjected to direct machining forming or heat treatment, is subjected to treatment by a certain production process, is subjected to injection molding with polypropylene in a mold cavity, and the formed metal and polypropylene are bonded into a composite inner pipe, and is bonded with an outer pipe through rubber vulcanization, and the test shows that the original product performance design requirement is achieved.

The embodiments described herein are merely illustrative of the utility model and various modifications or additions may be made to the described embodiments by those skilled in the art without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although used more herein: 1. a rubber sleeve; 2. a bump; 3. a buffer area; 4. a buffer block; 5. an inner skeleton; 6. an outer skeleton; 7. inner sleeve, etc., but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

The foregoing has outlined rather broadly the principles and embodiments of the present utility model using a specific preferred embodiment of a lightweight automotive control arm rear rubber bushing according to the present utility model, and it should be understood that these embodiments are merely intended to facilitate an understanding of the principles and core concepts of the present utility model, and that various other modifications and adaptations of the embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a rubber bush behind lightweight car control arm, includes outer skeleton (6), outer skeleton (6) in be equipped with inner skeleton (5), outer skeleton (6) and inner skeleton (5) between be equipped with rubber sleeve (1), its characterized in that: the inner framework (5) in be provided with endotheca (7), rubber sleeve (1) inside be provided with lug (2) and buffer block (4), buffer block (4) with lug (2) be the corresponding setting of strip form, lug (2) and buffer block (4) between be provided with buffer zone (3).

2. The lightweight automotive control arm rear rubber bushing of claim 1, wherein: the outer framework (6) is a cylindrical with a hollow middle part, and the wall thickness from the two ends to the middle part of the outer framework is gradually decreased.

3. The lightweight automotive control arm rear rubber bushing of claim 2, wherein: the cross section of the inner wall of the outer framework (6) is an arc surface.

4. The lightweight automotive control arm rear rubber bushing of claim 1, wherein: the middle part of the outer wall of the inner framework (5) is provided with a bulge meshed with the rubber sleeve (1).