CN214578501U

CN214578501U - Rubber bushing for inner pipe and outer pipe

Info

Publication number: CN214578501U
Application number: CN202023308496.9U
Authority: CN
Inventors: 杨培菲
Original assignee: Suzhou Gaoqiu Meida Rubber Metal Shock Absorption Technology Co ltd
Current assignee: Suzhou Gaoqiu Meida Rubber Metal Shock Absorption Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-02
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an inside and outside pipe rubber bush, establish including metal inner tube, coaxial cover metal outer tube outside the tube and setting in the metal inner tube and metal outer tube between rubber, fixed ring is reinforceed to setting up an annular on the outer wall of metal inner tube, be provided with a plurality of through-hole along circumference equidistant on the reinforcement ring. The utility model has the advantages that: the rubber is separated by the reinforcing ring with the through hole, so that the axial moving distance of the rubber is reduced, and the bonding strength of the rubber and the inner pipe is improved; at the same time, the rubber is provided with the manufacture, and the integral rigidity of the rubber is provided.

Description

Rubber bushing for inner pipe and outer pipe

Technical Field

The utility model belongs to the auto-parts field, concretely relates to inside and outside pipe rubber bush.

Background

A shock absorber bushing is a common automotive part, consisting of a surface treated inner tube (usually an aluminum extruded tube), a surface treated outer tube (usually an aluminum extruded tube), and rubber. The surface treatment process comprises shot blasting (aiming at removing stains on the surface, increasing the roughness of the surface of the part and increasing the bonding property) and gluing (aiming at effectively bonding the metal part and the rubber together). The rubber has good damping effect and low rigidity when the thickness of the rubber is large; otherwise, the damping effect is poor and the rigidity is high. How to simplify the surface treatment process, improve the firmness of the bonding between the metal part and the rubber, and improve the rigidity of the thicker rubber is a technical problem to be solved urgently at present.

Disclosure of Invention

An object of the utility model is to provide a combine firm, the high interior outer tube rubber bush of rigidity.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an inside and outside pipe rubber bush, includes that metal inner tube, coaxial cover establish metal outer tube outside the metal inner tube and setting are in rubber between metal inner tube and the metal outer tube, the fixed annular ring of reinforceing that sets up on the outer wall of metal inner tube, it is provided with a plurality of through-hole along circumference equidistant on the ring to reinforce.

Preferably, the outer edge of the reinforcing ring is rounded.

Preferably, the thickness of the reinforcing ring is not less than 3 mm.

Preferably, the reinforcing ring is welded to the metal inner tube.

Preferably, the metal inner pipe, the metal outer pipe and the reinforcing ring are all made of aluminum alloy.

Preferably, an annular plastic ring is sleeved on the outer side edge of the reinforcing ring, and a groove wrapping the outer side edge of the reinforcing ring is formed in the inner side of the plastic ring.

The utility model has the advantages that: the rubber is separated by the reinforcing ring with the through hole, so that the axial moving distance of the rubber is reduced, and the bonding strength of the rubber and the inner pipe is improved; at the same time, the rubber is provided with the manufacture, and the integral rigidity of the rubber is provided.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic view of the structure of the reinforcement ring and the plastic ring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to fig. 3, the rubber bushing for inner and outer tubes of the present invention comprises a metal inner tube 10, a metal outer tube 12 coaxially sleeved outside the metal inner tube 10, and a rubber 14 disposed between the metal inner tube 10 and the metal outer tube 12. The metal inner tube 10 and the metal outer tube 12 are fixed to different members, respectively, and are supported and cushioned by rubber 14. In the course of repeated movements, looseness occurs between the rubber 14 and the metal inner pipe 10 and the metal outer pipe 12.

In order to prevent this, an annular reinforcing ring 16 is fixedly disposed on the outer wall of the metal inner tube 10, and a plurality of through holes 18 are disposed on the reinforcing ring 16 at equal intervals in the circumferential direction. The reinforcing ring 16 divides the rubber 14 attached to the metal inner pipe 10 into two parts. The stroke of the two parts of rubber 14 on the metal inner pipe 10 is reduced by half, so that the tearing caused by excessive deformation under stress can be effectively avoided. The through holes 18 facilitate the connection of the two parts of rubber 14 and the flow of the rubber 14 during casting.

The outer edge of the reinforcing ring 16 is rounded, an annular plastic ring 20 is sleeved on the outer edge of the reinforcing ring 16, and a groove wrapping the outer edge of the reinforcing ring 16 is formed in the inner side of the plastic ring 20. The abrasion and the cutting of the rubber 14 on the outer edge of the reinforcing ring 16 are avoided by the plastic ring 20.

The inner metal pipe 10, the outer metal pipe 12 and the reinforcement ring 16 are all made of an aluminum alloy, and the reinforcement ring 16 is welded to the inner metal pipe 10.

Further, the thickness of the reinforcement ring 16 is 3mm or more.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an inside and outside pipe rubber bush, includes that metal inner tube, coaxial cover establish metal outer tube outside the metal inner tube and setting are in rubber between metal inner tube and the metal outer tube, its characterized in that: an annular strengthening ring is fixedly arranged on the outer wall of the metal inner pipe, and a plurality of through holes are formed in the strengthening ring at equal intervals along the circumferential direction.

2. The inner and outer tube rubber bushing according to claim 1, wherein: the outer edge of the reinforcing ring is rounded.

3. The inner and outer tube rubber bushing according to claim 1, wherein: the thickness of the reinforcing ring is more than or equal to 3 mm.

4. The inner and outer tube rubber bushing according to claim 1, wherein: the reinforcing ring is welded on the metal inner pipe.

5. The inner and outer tube rubber bushing according to claim 1, wherein: the metal inner pipe, the metal outer pipe and the reinforcing ring are all made of aluminum alloy.

6. The inner and outer tube rubber bushing according to claim 1, wherein: an annular plastic ring is sleeved on the outer side edge of the reinforcing ring, and a groove wrapping the outer side edge of the reinforcing ring is formed in the inner side of the plastic ring.