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Double-ball pin cup steering linkage

A steering tie rod and ball pin seat technology, applied in the field of auto parts, can solve the problems of ball seat wear, product failure, ball head loose and abnormal noise, etc., and achieve the effect of improving product life, ensuring stability and strong practicability

Inactive Publication Date: 2010-09-08
四川望锦机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ball seat is in direct contact with the ball head, and the ball seat will be worn when the ball head makes relative motion, and the ball head will loosen and make abnormal noise after the ball seat wears to a certain extent, resulting in product failure, more than 80% in the actual use process The failure of the product is the reason

Method used

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  • Double-ball pin cup steering linkage
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Examples

Experimental program
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Effect test

Embodiment Construction

[0010] Such as figure 1 Shown: a steering tie rod with a double ball pin seat, including a steering tie rod, a ball seat and a ball seat cover, the steering tie rod has a ball head, the ball seat is arranged in the ball seat cover, and the ball seat has A spherical cavity, the ball head is placed in the spherical cavity of the ball seat, the ball seat is composed of an upper ball seat with a spherical cavity and a lower ball seat, wherein the upper ball seat with a spherical cavity and the ball The head forms a clearance fit, the lower ball seat is made of elastic plastic and the lower ball seat is compressed and arranged in the ball seat sleeve by the upper ball seat. The upper ball seat can be made of plastic materials with good wear resistance: such as polyoxymethylene, polyester, polycarbonate, polyamide, etc.; while the lower ball seat is made of plastic materials with better elasticity: such as polyethylene, polyamide, etc. Vinyl chloride, etc.

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Abstract

The invention discloses a double-ball pin cup steering linkage, which comprises a steering linkage (1), a ball cup (2) and a ball cup sleeve (3), the steering linkage (1) is provided with a ball (4), the ball cup (2) consists of an upper ball cup (2a) and a lower ball cup (2b) which are provided with spherical cavities, wherein the upper ball cup (2a) is matched with the ball (4) in a clearance fit manner, and the lower ball cup (2b) is made of elastic plastic, and is compressed in the ball cup sleeve (3) by the upper ball cup (2a). The invention has the advantages of simple structure and high practicability; since the ball cup is arranged as a structure with the upper and the lower parts and the lower ball cup is resilient, when the upper ball cup directly contacted with the ball is abraded, the resilient lower ball cup can makes up for the overlarge clearance produced due to abrasion, consequently, the stability of the steering linkage in use is ensured, and the service life of the product is greatly prolonged.

Description

technical field [0001] The invention belongs to the technical field of auto parts, and in particular relates to a double ball pin seat steering tie rod. Background technique [0002] Usually, the steering tie rod includes a steering tie rod, a ball seat and a ball seat cover. The steering tie rod has a ball head, the ball seat is arranged in the ball seat cover, the ball seat has a spherical cavity, and the ball head is placed In the spherical cavity of the ball seat, the ball socket and the ball head are metal parts, and the ball seat is a plastic part. The ball head can swing and rotate at a certain angle relative to the ball seat, and a stable moment is required during the relative motion of the ball head under a certain load. The ball seat is in direct contact with the ball head, and the ball seat will be worn when the ball head makes relative motion, and the ball head will loosen and make abnormal noise after the ball seat wears to a certain extent, resulting in produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C11/06
Inventor 胡书焰
Owner 四川望锦机械有限公司
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