JPS63178644U

JPS63178644U -

Info

Publication number: JPS63178644U
Application number: JP7150987U
Authority: JP
Priority date: 1987-05-12
Filing date: 1987-05-12
Publication date: 1988-11-18

Description

[Brief explanation of the drawing]

第１図は本考案に係るバルブ構造の断面図、第
２図はピストンの斜視図、第３図は別実施例を示
す断面図、第４図は従来のバルブ構造を示す図で
ある。尚、図面中１１はシリンダ、２はピストンロツ
ド、４はピストン、８はバルブガイド部、９はチ
エツクバルブシート、１１はデイスクバルブ、１
２はスリツトバルブ、１３，１４はシートバルブ
である。 FIG. 1 is a sectional view of a valve structure according to the present invention, FIG. 2 is a perspective view of a piston, FIG. 3 is a sectional view of another embodiment, and FIG. 4 is a view of a conventional valve structure. In addition, in the drawing, 11 is a cylinder, 2 is a piston rod, 4 is a piston, 8 is a valve guide part, 9 is a check valve seat, 11 is a disc valve, 1
2 is a slit valve, and 13 and 14 are seat valves.

Claims

[Claims for Utility Model Registration] (1) In a valve structure provided on a piston of a hydraulic shock absorber, etc., a valve guide portion is integrally formed in the outer circumference of the piston in the axial direction, and the inner part of the valve guide portion A piston valve structure characterized in that the outer periphery of a plate-shaped valve is restrained and centered on the side surface. (2) The plate valve consists of a disc valve, a check valve, and a seat valve interposed between the disc valve and the check bubble, and the seat valve has an outer seat whose outer periphery is restrained by the valve guide portion of the piston. The piston valve structure according to claim 1, characterized in that the piston valve structure comprises an inner seat whose inner periphery is restrained by the piston rod.