JPS6122902U

JPS6122902U - Hydraulic cylinder stroke adjustment mechanism

Info

Publication number: JPS6122902U
Application number: JP10773984U
Authority: JP
Inventors: 和正兼松
Original assignee: カヤバ工業株式会社
Priority date: 1984-07-16
Filing date: 1984-07-16
Publication date: 1986-02-10

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案機構を施した油圧シリンダの一部切欠側
面図、第２図は第１図Ｂ−Ｂ線部分の断面図、第３図は
第１図Ｃ−Ｃ線部分の断面図、第４図乃至第６図は従来
のバルブによる調整機構の一例を示す要部を作動順序に
従って示す説明図、第７図及び第８図は前記説明図の様
式に基いて示した本考案の説明図である。１〜ピストンロンド、２〜ステー、３〜バルブ、４〜弁
座、４ａ〜近接部、５〜シリンダ、６〜ピストン、７，
８〜オイル室、９〜パイプ、Ｅ，Ｅ，Ｅ２，Ｅ３，Ｒｏ
〜ポート、１０〜ポヘット、１０ａ〜弁。Fig. 1 is a partially cutaway side view of a hydraulic cylinder equipped with the mechanism of the present invention, Fig. 2 is a sectional view taken along line B-B in Fig. 1, and Fig. 3 is a sectional view taken along line C-C in Fig. 1. , FIGS. 4 to 6 are explanatory diagrams showing an example of a conventional valve-based adjustment mechanism, showing the main parts according to the operating order, and FIGS. 7 and 8 are explanatory diagrams of the present invention based on the format of the aforementioned explanatory diagrams. It is an explanatory diagram. 1-piston rond, 2-stay, 3-valve, 4-valve seat, 4a-adjacent part, 5-cylinder, 6-piston, 7,
8~Oil chamber, 9~Pipe, E, E, E2, E3, Ro
~port, 10~pohet, 10a~valve.

Claims

[Scope of utility model registration request]

A check to open the oil passage only when the piston rond is extended in a hydraulic cylinder in which the stay is secured so that it can be moved to the piston rond side, and the stay is brought into contact with the valve to close the oil passage to the hydraulic cylinder. A stroke adjustment mechanism for a hydraulic cylinder, characterized in that a valve is built into the valve.