JPH0466419U

JPH0466419U -

Info

Publication number: JPH0466419U
Application number: JP11058890U
Authority: JP
Priority date: 1990-10-23
Filing date: 1990-10-23
Publication date: 1992-06-11

Description

[Brief explanation of drawings]

第１図は本考案を具体化したピローボールブツ
シユの第一実施例を示す断面図、第２図は同実施
例の揺動状態を示す断面図、第３図は第二実施例
を示す断面図、第４図は従来例を示す断面図であ
る。１……ブツシユ本体、１ａ……筒状外周面、２
……球面状凸部、３……球面状内周面、４……ボ
ールシート、４ｃ……筒状内周面、５……ソケツ
ト、６……折曲端部、６ａ……環状内周面、７…
…キヤツプ、７ａ……環状内周面、８……筒部、
１０……保持溝、１１……シールリング。 Fig. 1 is a sectional view showing a first embodiment of a pillow ball bush embodying the present invention, Fig. 2 is a sectional view showing the swinging state of the same embodiment, and Fig. 3 is a second embodiment. 4 is a sectional view showing a conventional example. 1... Bush body, 1a... Cylindrical outer peripheral surface, 2
... Spherical convex portion, 3 ... Spherical inner circumference, 4 ... Ball seat, 4c ... Cylindrical inner circumference, 5 ... Socket, 6 ... Bent end, 6a ... Annular inner circumference Face, 7...
... Cap, 7a ... Annular inner peripheral surface, 8 ... Cylindrical part,
10...Retaining groove, 11...Seal ring.

Claims

[Claims for Utility Model Registration] 1. A cylindrical bush body 1 having a spherical protrusion 2 at the center of its outer periphery, and a pair of annular bushings each having a spherical inner peripheral surface 3 that abuts the spherical protrusion 2. ball seat 4
and a cylindrical portion 8 fitted to the outer periphery of the ball seat 4.
and a bent end portion 6 formed by bending one end portion of the cylindrical portion 8 inward to hold one end surface of the ball seat 4; 5, the pillow ball bushing has a cap 7 attached to the inside of the other end of the bushing body 1, and an annular retaining groove 10 is provided on the cylindrical outer circumferential surface 1a of the bush body 1 or on the cylindrical inner circumferential surface 4c of the ball seat 4. A pillow ball bushing characterized in that a seal ring 11 made of an elastic material is fitted into the holding groove 10 so as to be in close contact with the cylindrical outer circumferential surface 1a and the cylindrical inner circumferential surface 4c. 2. A cylindrical bush body 1 having a spherical protrusion 2 at the center of its outer circumference, and a pair of annular ball seats 4 having a spherical inner peripheral surface 3 that abuts the spherical protrusion 2.
and a cylindrical portion 8 fitted to the outer periphery of the ball seat 4.
and a bent end portion 6 formed by bending one end portion of the cylindrical portion 8 inward to hold one end surface of the ball seat 4; A pillow ball bushing having a cap 7 attached to the inside of the other end of the bushing body 1, the cylindrical outer circumferential surface 1a of the bush main body 1 or the annular inner circumferential surfaces 6a, 7 of the bent end 6 and the cap 7.
An annular holding groove 10 is formed in a, and the holding groove 10
A pillow ball bushing characterized in that a seal ring 11 made of an elastic material is fitted tightly onto the cylindrical outer circumferential surface 1a and the annular inner circumferential surfaces 6a, 7a.