JPS58101035U

JPS58101035U - Shock absorber

Info

Publication number: JPS58101035U
Application number: JP19428581U
Authority: JP
Inventors: 坂崎　明彦
Original assignee: 富士重工業株式会社
Priority date: 1981-12-29
Filing date: 1981-12-29
Publication date: 1983-07-09

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図は自動車の車輪懸架装置のばね系の一般的なモデ
ルを示す説明図、第２図Ａ、　Ｂ、　Ｃ，Ｄはショック
アブソーバをサインカーブでストロークさせる場合の各
作動状態を順次説明する図、第３図は第２図のようにし
てストロークさせた場合のショックアブソーバの減衰力
特性を示す図、第４図は本考案の実施例を示す断面図で
ある。　　　　　１・・・シリンダ、１１・・・内筒、
ｌｌａ・・・大径部、１１ｂ・・・小径部、２：・・ピ
ストンロッド、３・・・第１ピストン、４・・・第２ピ
ストン、４ａ・・・オリフィス、４ｂ・・・ワンウェイ
バルブ、５・・・内筒室、６・・・外筒室、７・・・オ
リフィス、７ａ・・・ワンウェイバルブ、訃・・液。Figure 1 is an explanatory diagram showing a general model of the spring system of an automobile wheel suspension system, and Figures 2 A, B, C, and D sequentially explain each operating state when the shock absorber is stroked in a sine curve. 3 are diagrams showing the damping force characteristics of the shock absorber when stroked as shown in FIG. 2, and FIG. 4 is a sectional view showing an embodiment of the present invention. 1... Cylinder, 11... Inner cylinder,
lla...large diameter part, 11b...small diameter part, 2:...piston rod, 3...first piston, 4...second piston, 4a...orifice, 4b...one-way valve , 5... Inner cylinder chamber, 6... Outer cylinder chamber, 7... Orifice, 7a... One-way valve, End... Liquid.

Claims

[Scope of utility model registration request]

(1) The cylinder has a double-tube structure consisting of an inner tube and an outer tube, and an outer tube chamber is formed between the inner and outer tubes on the left side, and an orifice is provided at the bottom of the inner tube window to communicate the inner tube chamber and the outer tube chamber. A small diameter part with a small inner diameter is formed near the lower bottom of the inner cylinder, and a small diameter part with a small inner diameter is formed in the other large diameter part, and the liquid is poured into the core and the outer cylinder chamber to correspond to the large diameter part of the inner cylinder. A piston rod having a first piston with a large diameter that corresponds to the small diameter part of the inner cylinder and a second piston with a small diameter that almost corresponds to the small diameter part of the inner cylinder is inserted into the inner cylinder so that the second piston reaches the small diameter part of the inner cylinder at the end of the movement in the contraction direction. A shock absorber characterized in that the shock absorber is fitted so as to be slidable in the axial direction.

(2) The shock absorber according to claim 1, wherein the second piston has an orifice through which liquid can flow only from the lower side to the upper side of the second piston. .