JPS5889631U

JPS5889631U - hydraulic shock absorber

Info

Publication number: JPS5889631U
Application number: JP18668381U
Authority: JP
Inventors: 豊嶋　章
Original assignee: 本田技研工業株式会社
Priority date: 1981-12-14
Filing date: 1981-12-14
Publication date: 1983-06-17
Also published as: JPS6137884Y2

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]

図面は本考案の一実施例を示すもので、第１図は本考案
に係る緩衝装置の、縦断側面図、第２図は第１図２−２
線拡大断面図、第３図ａ、　ｂは圧縮行程時の装置の作
用説明図、第４図ａ、　　ｂ及び第５図は伸長行程時の
装置の作用説明図、第６図は本装置の減衰力特性を従来
の装置のそれとの対比において示した図である。尚図面中１はアウターケース、りはインナーケース、５
はインナーチューブ、１０．　１１．　１２゜２３はオ
リフィス、１８はダイヤフラム、１９はバネ、２０はダ
ンパーバルブ、ゼ４は逆止弁、Ｓｌは第一作動液室、Ｓ
２は第二作動液室、Ｓ３は圧力室、Ｓ、はバネ室である
。　　□゛、〜〆第１図第３図The drawings show one embodiment of the present invention, and FIG. 1 is a longitudinal cross-sectional side view of the shock absorber according to the present invention, and FIG. 2 is a side view of the shock absorber according to the present invention.
3A and 3B are diagrams explaining the operation of the device during the compression stroke; FIGS. 4A, B and 5 are diagrams explanatory of the operation of the device during the extension stroke; and FIG. FIG. 3 is a diagram showing damping force characteristics in comparison with those of a conventional device. In the drawing, 1 is the outer case, 5 is the inner case,
is an inner tube, 10. 11. 12゜23 is the orifice, 18 is the diaphragm, 19 is the spring, 20 is the damper valve, 4 is the check valve, SL is the first working fluid chamber, S
2 is a second hydraulic fluid chamber, S3 is a pressure chamber, and S is a spring chamber. □゛、〜〆Figure 1Figure 3

Claims

[Scope of utility model registration request]

An inner case, which is also open at the top, is installed in the lower part of the outer case, which is open at the top, and an inner tube is slidably fitted between the outer case and the inner case, and a first tube is inserted between the outer case and the inner case. A hydraulic fluid chamber, a second hydraulic fluid chamber inside the inner case,
Furthermore, in a hydraulic shock absorber comprising a gas chamber formed in the upper part of the inner tube, a pressure chamber is defined by a diaphragm in the lower part of the outer case and communicates with the second working fluid chamber, and a pressure chamber is opened to the atmosphere and has a pressure chamber inside the outer case. spring chambers for storing springs for elastically supporting the diaphragm, and orifices are provided at the upper and lower portions of the inner case to communicate the first and second hydraulic fluid chambers, respectively; , a damper valve that divides the second working fluid chamber into upper and lower parts in the inner case, and includes an orifice that communicates between these divided chambers and a check valve that closes a portion of these orifices is slidable. A hydraulic shock absorber, characterized in that the valve is fitted into the diaphragm and the valve is connected to the diaphragm.