Automotive Suspension Tie Rod Bushing

Technical Field

The present invention relates to the field of automotive technology, and more particularly to an automotive suspension tie rod bushing.

Background Art

The suspension tie rod is a key component of an automobile. In order to improve the service life of the tie rod and reduce vehicle vibration, bushings are generally provided at both ends of the tie rod in the prior art.

Existing suspension tie rod bushings mainly fall into three categories:

Pure steel bushings

Rubber bushings

Steel-rubber composite bushings

Pure steel bushings have poor vibration damping performance, short service life, high maintenance frequency, and high usage cost.

Rubber bushings provide good vibration damping performance, but have poor wear resistance and short service life.

Steel-rubber composite bushings offer both good wear resistance and vibration damping performance; however, in the prior art, the bonding between the steel tube and rubber is relatively weak. During use, separation between the steel tube and rubber may occur, resulting in bushing failure and affecting normal operation.

Summary of the Invention

To address the above issues, the present invention provides an automotive suspension tie rod bushing in which interlocking ribs are arranged on the inner and outer bonding surfaces of the rubber sleeve. These ribs provide axial limiting and constraint to the rubber sleeve, preventing separation between the steel sleeve and rubber.

This design effectively improves wear resistance, fatigue strength, and extends service life.

Technical Solution

The automotive suspension tie rod bushing comprises:

a steel sleeve,

an outer interlocking layer,

a rubber sleeve,

an inner interlocking layer,

an inner sleeve,

inner interlocking ribs,

outer interlocking ribs.

Key features include:

The steel sleeve is tubular, with an outer interlocking layer arranged on its inner wall, and outer interlocking ribs formed within the outer interlocking layer.

The inner sleeve is tubular, with an inner interlocking layer arranged on its outer wall, and inner interlocking ribs formed within the inner interlocking layer.

A rubber sleeve is arranged between the outer interlocking layer and the inner interlocking layer.

Further Features

The inner wall longitudinal section of the steel sleeve is designed as a concave arc shape.

The outer wall longitudinal section of the inner sleeve is designed as a convex arc shape.

The inner interlocking ribs are annular and arranged along the axial direction of the inner sleeve, with at least three ribs.

The outer interlocking ribs are annular and arranged along the axial direction of the steel sleeve, with at least three ribs.

Beneficial Effects

The bushing is provided with inner and outer interlocking ribs, which offer axial constraint to the rubber sleeve and effectively prevent separation between the steel sleeve and rubber.

As a result, the product demonstrates:

improved wear resistance,

enhanced fatigue strength,

extended service life.

Brief Description of Drawings

Figure 1 is a structural schematic diagram of the present invention, where:

Steel sleeve

Outer interlocking layer

Rubber sleeve

Inner interlocking layer

Inner sleeve

Inner interlocking ribs

Outer interlocking ribs

Detailed Description

With reference to Figure 1, the present invention is further described in detail.

The automotive suspension tie rod bushing comprises a steel sleeve (1), outer interlocking layer (2), rubber sleeve (3), inner interlocking layer (4), inner sleeve (5), inner interlocking ribs (6), and outer interlocking ribs (7).

The steel sleeve (1) is tubular, with an outer interlocking layer (2) arranged on its inner wall, and outer interlocking ribs (7) arranged within the outer interlocking layer.

The inner sleeve (5) is tubular, with an inner interlocking layer (4) arranged on its outer wall, and inner interlocking ribs (6) arranged within the inner interlocking layer.

The rubber sleeve (3) is arranged between the outer interlocking layer (2) and the inner interlocking layer (4).

The inner wall of the steel sleeve (1) is designed with a concave arc longitudinal section.

The outer wall of the inner sleeve (5) is designed with a convex arc longitudinal section.

The inner interlocking ribs (6) are annular and arranged along the axial direction of the inner sleeve, with at least three ribs.

The outer interlocking ribs (7) are annular and arranged along the axial direction of the steel sleeve, with at least three ribs.