Ball joint and method for fastening a sealing bellows to a ball joint

一种密封波纹管、球窝关节的技术，应用在球窝关节以及用于在球窝关节上固定密封波纹管领域，达到腐蚀危险小的效果

Active Publication Date: 2012-09-12
THK RHYTHM AUTOMOTIVE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] A disadvantage of the ball and socket joint described above is that the retaining ring bears against the joint housing after the sealing bellows has been assembled

Method used

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  • Ball joint and method for fastening a sealing bellows to a ball joint
  • Ball joint and method for fastening a sealing bellows to a ball joint
  • Ball joint and method for fastening a sealing bellows to a ball joint

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] figure 1 Shown is a ball and socket joint 10 comprising a joint housing 12, a spherical journal 14 and an already assembled sealing bellows 16, the ball head of which is pivotally accommodated in the joint housing 12, the sealing bellows has, with respect to the longitudinal axis A of the journal, an axial first bellows end 18 fixed on the spherical journal 14 (see figure 2 and 3 ) and a second axial bellows end 20 fixed on the joint housing 12 . For fastening the sealing bellows 16 , the joint housing 12 has a bellows seat 22 which forms both a radial and an axial stop for the second bellows end 20 . A closed retaining ring 24 is provided at a distance from the joint housing 12 , which acts on the sealing bellows 16 radially inwardly and holds it against the bellows seat 22 .

[0022] The retaining ring 24 is here a separate, plastically deformed metal ring, preferably made of sheet metal, which substantially surrounds the second bellows end 20 .

[0023] Before f...

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PUM

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Abstract

The invention relates to a method of fastening a sealing bellows to a ball joint as well as to a ball joint. The ball joint comprises a joint housing, a ball stud pivotally received in the joint housing, and the sealing bellows which, related to a joint axis, comprises first axial end of the bellows resting against the ball stud and a second axial end of the bellows fastened to the joint housing, the joint housing for fastening the sealing bellows comprising a seat of the bellows forming a radial stop as well as an axial stop for the second axial end of the bellows, and wherein a closed retaining ring is provided which is spaced from the joint housing and acts upon the sealing bellows in radial inward direction against the seat of the bellows. The retaining ring is a plastically deformed metal ring. The seat of the bellows is a housing shoulder surrounding the ball stud. The housing shoulder comprises an end face defining the axial stop and a side face defining the radial stop. An angle alpha formed by the end face and the side face is less than 90 degrees.

Description

technical field [0001] The invention relates to a method for fastening a sealing bellows on a ball and socket joint, as well as to a ball and socket joint comprising a joint housing, a spherical journal which is pivotally accommodated in the joint housing, and a sealing Bellows, the sealing bellows has, with respect to the joint axis, a first axial bellows end which rests on the spherical journal and a second axial bellows end which is fastened to the joint housing, wherein the joint housing For fastening the sealing bellows, the body has a bellows seat which forms not only a radial but also an axial stop for the second axial bellows end. Background technique [0002] In order to protect the ball and socket joint from dirt and possibly to accommodate lubricant, a sealing bellows is usually provided in the transition region between the ball pin and the joint housing in the ball and socket joint. The sealing bellows must be securely and durably fastened on the one hand to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C11/06F16J13/04
CPCF16J3/042F16C11/0671Y10T29/49826Y10T403/32631
Inventor V·波努卡琳C·埃多甘
Owner THK RHYTHM AUTOMOTIVE GMBH
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