CN216915425U

CN216915425U - Novel control arm bush cooperation structure

Info

Publication number: CN216915425U
Application number: CN202122872102.0U
Authority: CN
Inventors: 程彦康; 江翁; 王飞; 吴谦
Original assignee: Hozon New Energy Automobile Co Ltd
Current assignee: Hozon New Energy Automobile Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-07-08
Anticipated expiration: 2031-11-23

Abstract

A novel control arm bushing matching structure comprises an auxiliary frame, a bushing inner tube and a bolt assembly, wherein the bushing inner tube is located in the auxiliary frame, and the bolt assembly penetrates through the auxiliary frame and the bushing inner tube; a limit stop block is formed on the inner wall of the auxiliary frame, and a notch matched with the limit stop block is formed at the end part of the inner pipe of the bushing; the notch is formed in the outer ring of the end part of the inner pipe of the bushing, and the end part of the inner pipe of the bushing is simultaneously abutted against the auxiliary frame and the limit stop; compared with the prior art: through set up limit stop in sub vehicle frame opening inboard, and in the bush in the tip increase breach structure, through the cooperation between breach and the limit stop, realize the positioning action to the bush inner tube, the bush inner tube gets into the mounted position according to the limit stop direction, fastening bolt can directly tighten moment, does not need special frock to fix a position, when can avoiding the bush inner tube to transship simultaneously, relative motion appears in bush inner tube and sub vehicle frame.

Description

Novel control arm bush cooperation structure

Technical Field

The utility model belongs to the technical field of control arm bushings, and particularly relates to a novel control arm bushing matching structure.

Background

The control arm bush is the important spare part of suspension system, belongs to the flexible component of suspension, mainly plays effects such as buffering, damping, suspension performance regulation, and the control arm bush is the key part that influences whole car travelling comfort and controllability, and the assembly of control arm bush and control arm body requires simple structure, production facility to can satisfy the intensity requirement of whole car.

As shown in fig. 2, when the conventional control arm bushing is fitted to the subframe, a tightening torque is required at the preparation position, and the control arm bushing and the bushing are fitted to each other at the end surface of the inner pipe of the bushing and brought into flat contact with each other, and are fastened together by bolts.

In the practical use process, the control arm assembly needs special tooling for positioning, and then the torque is tightened, so that the whole vehicle is easy to move relatively between the bushing and the auxiliary frame under certain working conditions, and the whole machining quality is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a novel control arm bushing matching structure which is simple in structure, does not need a special tool for positioning and can avoid the overload of a bushing.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: a novel control arm bushing matching structure comprises an auxiliary frame, a bushing inner tube and a bolt assembly, wherein the bushing inner tube is located in the auxiliary frame, and the bolt assembly penetrates through the auxiliary frame and the bushing inner tube; a limit stop block is formed on the inner wall of the auxiliary frame, and a notch matched with the limit stop block is formed at the end part of the inner pipe of the bushing; the notch is formed in the outer ring of the end part in the bushing, and the end part in the bushing is simultaneously abutted against the auxiliary frame and the limit stop.

In a preferred embodiment of the present invention, the limit stop is a hollow ring structure.

As a preferable scheme of the utility model, the limit stop is of a block type structure, and a circular groove matched with the inner pipe of the bushing is formed in the middle of the limit stop.

In a preferred embodiment of the present invention, the limit stop is composed of a plurality of blocks circumferentially arranged.

In a preferred embodiment of the present invention, the limit stopper is fixedly disposed on an inner surface of an upper end of the subframe.

In a preferred embodiment of the present invention, the notch is formed at an upper end of the inner tube of the bushing.

As a preferable aspect of the present invention, the depth of the notch is identical to the height of the bump stopper.

In a preferred embodiment of the present invention, the limit stopper has an outer diameter greater than an outer diameter of the inner tube of the bushing.

In a preferred embodiment of the present invention, the bolt assembly includes a fastening bolt and a fastening nut which are connected to each other.

As a preferable scheme of the utility model, the notch is of a step groove structure, and the inner wall and the bottom of the notch are simultaneously contacted with the limit stop.

Compared with the prior art, the utility model has the beneficial effects that: through set up limit stop in sub vehicle frame opening inboard, and in the bush in the tip increase breach structure, through the cooperation between breach and the limit stop, realize the positioning action to the bush inner tube, the bush inner tube gets into the mounted position according to the limit stop direction, fastening bolt can directly tighten moment, does not need special frock to fix a position, when can avoiding the bush inner tube to transship simultaneously, relative motion appears in bush inner tube and sub vehicle frame.

Drawings

Fig. 1 is a schematic structural view of the utility model;

FIG. 2 is a schematic diagram of a prior art configuration;

reference numerals: fastening bolt 1, limit stop 2, bush inner tube 3, sub vehicle frame 4, fastening nut 5, breach 6.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1-2, a novel control arm bushing matching structure comprises an auxiliary frame 4, a bushing inner tube 3 and a bolt assembly, wherein the bushing inner tube 3 is located in the auxiliary frame 4, and the bolt assembly penetrates through the auxiliary frame 4 and the bushing inner tube 3; a limit stop 2 is formed on the inner wall of the auxiliary frame 4, and a notch 6 matched with the limit stop 2 is formed at the end part of the inner pipe 3 of the bushing; the notch 6 is formed in the outer ring of the end part of the inner pipe 3 of the bushing, and the end part of the inner pipe 3 of the bushing simultaneously props against the auxiliary frame 4 and the limit stop 2.

Bushing inner tube 3 sets up in sub vehicle frame 4, and 3 upper ends in bushing inner tube and lower extreme all contact with sub vehicle frame 4's inner wall, and bolt assembly is used for fixing a position and fixing bushing inner tube 3, and limit stop 2 passes through welded fastening and connects on sub vehicle frame 4 inner wall, and limit stop 2 cup joints on breach 6 to when realizing that 3 tip of bushing inner tube are embedded in limit stop 2, breach 6 department contacts with limit stop 2.

Limit stop 2 is hollow annular structure, and limit stop 2 passes through welded fastening to be connected on 4 inner walls of sub vehicle frame, and 3 places of bush inner tube are embedded in

limit stop

2, and 3 sizes of the bush inner tube of breach 6 department are unanimous with limit stop 2's hollow size.

Limit stop 2 is the block type structure, and the middle part is formed with the circular slot with 3 looks adaptations of bush inner tube, and limit stop 2 passes through welded fastening to be connected on 4 inner walls of sub vehicle frames, and the size of circular slot is unanimous with 3 sizes of bush inner tube of breach 6 department, and limit stop 2 can set to circular, square or irregular shape according to actual need, only need satisfy the size of circular slot and 3 sizes of bush inner tube of breach 6 department unanimously can.

Limit stop 2 comprises the block that a plurality of circumferences set up, and the quantity and the size of block design according to actual need to interval between the steerable adjacent block is convenient for satisfy limit stop 2 the deformation allowance after 3 tip contact overstock with the bush inner tube, and a plurality of blocks welded fastening alone simultaneously makes every block have better precision, satisfies and uses with the cooperation of 3 tip in the bush inner tube.

Limit stop 2 is fixed to be set up on 4 upper end internal surfaces of sub vehicle frame, and breach 6 is formed at 3 upper ends of bush inner tubes, and 6 degree of depth of breach are highly unanimous with limit stop 2, ensure that the adjacent lateral wall of 6 departments of breach contacts with limit stop 2 simultaneously for have better stability between limit stop 2 and the bush inner tube 3.

The external diameter size of limit stop 2 is greater than the external diameter size of bush inner tube 3, ensures that breach 6 bottom contacts with 3 surfaces of bush inner tube all the time.

The bolt assembly comprises a fastening bolt 1 and a fastening nut 5 which are connected, the fastening bolt 1 is in threaded connection with the fastening nut 5, and the end parts of the fastening bolt 1 and the fastening nut 5 are in contact with the outer wall of the auxiliary frame 4.

The notch 6 is of a step groove structure, and the inner wall and the bottom of the notch 6 are simultaneously contacted with the limit stop 2.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the terms fastening bolt 1, limit stop 2, bushing inner tube 3, subframe 4, fastening nut 5, notch 6, etc., but do not exclude the possibility of using other terms; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A novel control arm bushing matching structure comprises an auxiliary frame (4), a bushing inner tube (3) and a bolt assembly, wherein the bushing inner tube (3) is located in the auxiliary frame (4), and the bolt assembly penetrates through the auxiliary frame (4) and the bushing inner tube (3); the lining is characterized in that a limit stop (2) is formed on the inner wall of the auxiliary frame (4), and a notch (6) matched with the limit stop (2) is formed at the end part of the lining inner tube (3); the gap (6) is formed in the outer ring of the end part of the inner pipe (3) of the bushing, and the end part of the inner pipe (3) of the bushing is simultaneously abutted against the auxiliary frame (4) and the limit stop (2).

2. A new control arm bushing engagement according to claim 1, characterized in that the limit stop (2) is a hollow ring-shaped structure.

3. The novel control arm bushing matching structure is characterized in that the limit stop (2) is of a block type structure, and a circular groove matched with the bushing inner pipe (3) is formed in the middle of the limit stop.

4. A new control arm bushing engagement according to claim 1, characterized in that the limit stop (2) consists of several circumferentially arranged blocks.

5. The novel control arm bushing fitting structure according to claim 1, wherein the limit stop (2) is fixedly arranged on the inner surface of the upper end of the subframe (4).

6. A new control arm bushing engaging structure according to claim 5, characterized in that the notch (6) is formed at the upper end of the bushing inner tube (3).

7. A new control arm bushing engagement according to claim 6, characterized in that the depth of the notch (6) corresponds to the height of the limit stop (2).

8. The novel control arm bushing engagement structure according to claim 1, wherein the limit stop (2) has an outer diameter greater than an outer diameter of the bushing inner tube (3).

9. A new control arm bushing engagement according to claim 1, characterized in that the bolt assembly comprises a fastening bolt (1) and a fastening nut (5) connected.

10. The novel control arm bushing matching structure is characterized in that the notch (6) is of a step groove structure, and the inner wall and the bottom of the notch (6) are simultaneously contacted with the limit stop (2).