JPS5992234U

JPS5992234U - hydraulic shock absorber

Info

Publication number: JPS5992234U
Application number: JP18826382U
Authority: JP
Inventors: 悦郎中田
Original assignee: カヤバ工業株式会社
Priority date: 1982-12-13
Filing date: 1982-12-13
Publication date: 1984-06-22
Also published as: JPS6230593Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の油圧緩衝器要部の説明的断面図、第２図
はこの考案の油圧緩衝器要部の断面図、第３図は減衰力
特性図、第４図は他の実施例の断面図、第５図はさらに
他あ実施例の断面図、第６図はピストンの正面図、第７
図ａはピストンの他の実施例を示す正面図、第７図ｂは
第７図ａのＡ−Ａ線断面図、第７図Ｃは第７図ｂのＢ−
Ｂ線断面図、第８図ａはピストンのさらに他の実施例を
示す正面図、第８図ｂは第８図ａのＣ−Ｃ線断面図、第
８図Ｃは第８図ｂのＤ−Ｄ線断面図である。１・・・・・・シリンダ、２・・・・・・ピストン、３
・・・・・・ピストンリング、４・・・・・・リング溝
、５−−−−−−ピストンロッド、１１・・・・・・減
衰バルブ、１４．１５・・・・・・スプリング、１６．
１７・・・・・・緩衝リング、４ａ，　　４ｂ・・・・
・・切溝。Fig. 1 is an explanatory sectional view of the main part of a conventional hydraulic shock absorber, Fig. 2 is a sectional view of the main part of the hydraulic shock absorber of this invention, Fig. 3 is a damping force characteristic diagram, and Fig. 4 is another embodiment. FIG. 5 is a sectional view of another embodiment, FIG. 6 is a front view of the piston, and FIG. 7 is a sectional view of another embodiment.
Figure a is a front view showing another embodiment of the piston, Figure 7 b is a sectional view taken along line A-A in Figure 7 a, and Figure 7 C is a cross-sectional view taken along line B-- in Figure 7 b.
8a is a front view showing still another embodiment of the piston, FIG. 8b is a sectional view taken along line CC in FIG. 8a, and FIG. 8C is a sectional view taken along line D in FIG. 8b. -D line sectional view. 1...Cylinder, 2...Piston, 3
... Piston ring, 4 ... Ring groove, 5 ... Piston rod, 11 ... Damping valve, 14.15 ... Spring, 16.
17...Buffer ring, 4a, 4b...
...kerf.

Claims

[Scope of utility model registration request]

(1) The inside of the cylinder is divided into two oil chambers by a piston having a damping valve, and when a piston rod having the piston at one end and moving in and out of one sealed end of the cylinder and the cylinder are displaced relative to each other, In a hydraulic shock absorber designed to generate damping force, a ring groove having a predetermined axial length is provided on the outer periphery of the piston, and a ring groove movable in the axial direction is provided within the ring groove.
A spring that loosely fits a piston ring and forms an oil passage whose gap with the inner periphery of the piston ring gradually decreases from the center to both ends of the ring groove, and that both sides of the piston ring are provided in the ring groove. A hydraulic shock absorber characterized by being resiliently supported by.

(2) The hydraulic shock absorber according to claim 1, wherein the oil passage comprises a gap between a ring groove recessed in a V-shape from the center to both ends and the inner periphery of the piston ring.

(3) The hydraulic shock absorber according to claim 1, wherein the oil passage is formed of a cut groove whose width gradually decreases from the center to both ends of the ring groove.

(4) Utility model registration in which the oil passage consists of a groove whose depth gradually decreases from the center to both ends of the ring groove (5)
The hydraulic shock absorber according to claim 1, wherein a shock absorber is attached to the end of the ring groove.