JPS5951236U

JPS5951236U - Hydraulic shock absorber with relief valve

Info

Publication number: JPS5951236U
Application number: JP14743682U
Authority: JP
Inventors: 俊明亀井; 本橋　常男
Original assignee: カヤバ工業株式会社
Priority date: 1982-09-29
Filing date: 1982-09-29
Publication date: 1984-04-04

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 drawings]

第１図及び第２図は従来の油圧緩衝器の実施例を夫々示
す要部の一部縦断側面図、第３図乃至第５図はその特性
を示すグラフ、第６図は同様に従来の他の実施例を示す
要部の一部縦断側面図、第７図は本考案による油圧緩衝
器の一実施例を示す一部縦断側面図、第８図は第７図Ａ
−Ａ線部分の断面図、第９図及び第１０図は油圧緩衝器
の特性を示すグラフ、第１１図及び第１２図は従来品の
実験データと本考案の実験データを夫々示すグラフであ
る。１〜シリンダ、１ａ〜アウターシリンダ、１ｂ〜インナ
ーシリンダ、２〜タンク室、３〜ピストン、３パ〜ピス
トンラム、３ａ〜ピストンロツド、３ｂ〜ノンリターン
バルブ、４〜油圧室、５〜オリフイス、６〜油孔棒、７
〜透孔、８〜アジヤストチユーブ、８ａ〜スリツト、９
〜アキユムレータ、１０〜リリーフバルブ、１１〜スプ
リング、１２〜止栓、１２ａ〜透孔、１３〜エンドキヤ
ツプ、１４．１４’〜流路、１５〜パンフアヘツド、１
５ａ〜クツシヨンラバー、１６〜スプリング。５９１ａ　　　　　　− ＼ノ／ −０Ｆｌ　　へ　　　　　　Ｆ［〆〜〜＼、〜FIGS. 1 and 2 are partial longitudinal side views of main parts showing examples of conventional hydraulic shock absorbers, FIGS. 3 to 5 are graphs showing their characteristics, and FIG. 6 is a similar conventional hydraulic shock absorber. FIG. 7 is a partial longitudinal side view of the main part showing another embodiment, FIG. 7 is a partially longitudinal side view showing one embodiment of the hydraulic shock absorber according to the present invention, and FIG. 8 is FIG.
- A cross-sectional view of line A, Figures 9 and 10 are graphs showing the characteristics of the hydraulic shock absorber, and Figures 11 and 12 are graphs showing experimental data of the conventional product and experimental data of the present invention, respectively. . 1 - cylinder, 1a - outer cylinder, 1b - inner cylinder, 2 - tank chamber, 3 - piston, 3 pa - piston ram, 3a - piston rod, 3b - non-return valve, 4 - hydraulic chamber, 5 - orifice, 6 - Oil hole rod, 7
~Through hole, 8~Asiast tube, 8a~Slit, 9
~Accumulator, 10~Relief valve, 11~Spring, 12~Stopper, 12a~Through hole, 13~End cap, 14.14'~Flow path, 15~Pamphlet head, 1
5a~Cushion rubber, 16~Spring. 591a - \ノ/ -0 To Fl F [ 〆~~\, ~

Claims

[Scope of utility model registration request]

A hydraulic shock absorber with a relief valve whose orifice area changes as a piston moves due to impact, characterized in that a relief valve is provided between the hydraulic chamber and the tank chamber in addition to the orifice. vessel.