JPH01173517U

JPH01173517U -

Info

Publication number: JPH01173517U
Application number: JP7005988U
Authority: JP
Priority date: 1988-05-26
Filing date: 1988-05-26
Publication date: 1989-12-08

Description

[Brief explanation of the drawing]

第１〜３図は本考案によるボールジヨイント構
造の第１実施例を示す図であり、第１図はその構
成を示す断面図、第２図はその作用を示す要部の
拡大断面図、第３図はそのボールスタツドの揺動
角度と揺動トルクとの関係を示すグラフ、第４図
は本考案の第２実施例を示すその要部断面図、第
５図は本考案の第３実施例を示すその要部断面図
、第６図は従来のボールジヨイント構造を示すそ
の断面図である。１１，２１，３１……ボールスタツド、１１ａ
，２１ａ，３１ａ……ボール部、１１ｃ，２１ｃ
，３１ｃ……赤道部、１２，２２，３２……ベア
リング、１２ａ，２２ａ，３２ａ……円周部、１
３……ソケツト。 1 to 3 are diagrams showing a first embodiment of the ball joint structure according to the present invention, FIG. 1 is a sectional view showing its structure, and FIG. 2 is an enlarged sectional view of the main part showing its operation. Fig. 3 is a graph showing the relationship between the swing angle and swing torque of the ball stud, Fig. 4 is a sectional view of the main part showing the second embodiment of the present invention, and Fig. 5 is the third embodiment of the present invention. FIG. 6 is a cross-sectional view of a conventional ball joint structure. 11, 21, 31...Ball stud, 11a
, 21a, 31a...Ball portion, 11c, 21c
, 31c... Equatorial part, 12, 22, 32... Bearing, 12a, 22a, 32a... Circumferential part, 1
3...Socket.

Claims

[Scope of utility model registration request]

A ball joint structure comprising a socket and a ball stud having a ball part rotatably connected to the socket via a bearing, wherein the bearing has a circumferential part made of an elastic member, and the ball stud has a circumferential part made of an elastic member, has an equatorial portion that contacts a circumferential portion, and the equatorial portion and the circumferential portion are in contact with each other through a contact surface that is shifted inwardly and outwardly from the spherical surface of the ball portion.