JPS6088103U

JPS6088103U - cylinder device

Info

Publication number: JPS6088103U
Application number: JP18083483U
Authority: JP
Inventors: 森下　光政
Original assignee: 日立建機株式会社
Priority date: 1983-11-22
Filing date: 1983-11-22
Publication date: 1985-06-17

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図および第２図は従来技術によるシリンダ装置を示
し、第１図はその縦断面図、第２図は第１図中の■−■
矢示方向断面図、第３図および第４図は本考案に係るシ
リンダ装置を示し、第３図はその縦断面図、第４図は第
３図中のＩＶ−ＩＶ矢示方向断面図である。１・・・シリンダ、２・・リッド、２Ｂ・・・ロッドエ
ンド部、２Ｄ・・・ロッドヘッド部、３・・・ピストン
、７・・・シリンダヘッド、９・・・ロッドシールリン
グ、２１・・・交換用ロッドシールリング、２２・・・
シール押え金具。1 and 2 show a cylinder device according to the prior art, FIG. 1 is a longitudinal sectional view thereof, and FIG.
3 and 4 show a cylinder device according to the present invention, FIG. 3 is a longitudinal sectional view thereof, and FIG. 4 is a sectional view taken along IV-IV in FIG. be. DESCRIPTION OF SYMBOLS 1... Cylinder, 2... Lid, 2B... Rod end part, 2D... Rod head part, 3... Piston, 7... Cylinder head, 9... Rod seal ring, 21... ...Replacement rod seal ring, 22...
Seal holder.

Claims

[Scope of utility model registration request]

a cylinder; a rod having one end inserted into the cylinder and serving as a rod end portion and the other end protruding outside the cylinder to serve as a rod head; and a rod end of the rod that is slidably inserted into the cylinder. a piston fixed to the cylinder; a cylinder head fastened to the open end of the rod protruding side of the cylinder; a rod seal ring housed in the cylinder head; and a cylinder head fastened to the cylinder head to press the rod seal ring. In a cylinder device comprising a seal retaining metal fitting, a replacement rod seal ring is fitted on the rod head side of the rod outside the cylinder, and the seal holding metal fitting is divided into two or more parts. A cylinder device characterized by: