JPH02107805U

JPH02107805U -

Info

Publication number: JPH02107805U
Application number: JP1604889U
Authority: JP
Priority date: 1989-02-14
Filing date: 1989-02-14
Publication date: 1990-08-28

Description

[Brief explanation of drawings]

図面は本考案の一実施例を示したもので、第１
図は流体シリンダの縦断面図、第２図は第１図の
要部Ａの拡大断面図、第３図は第２図の線−
に沿つた拡大部分断面図である。１Ａ……シリンダ本体、２……ピストン、４Ｃ
……閉塞部材、７……ピストンロツド、８……流
体シール部材、９……塵埃シール部材、１０……
軸受け、１１……本体、１２……球状部材、２０
……シール部材、２１……貫通孔。 The drawing shows one embodiment of the present invention.
The figure is a longitudinal sectional view of the fluid cylinder, FIG. 2 is an enlarged sectional view of the main part A in FIG. 1, and FIG. 3 is a line -
It is an enlarged partial sectional view along. 1A...Cylinder body, 2...Piston, 4C
...Closing member, 7... Piston rod, 8... Fluid sealing member, 9... Dust sealing member, 10...
Bearing, 11... Main body, 12... Spherical member, 20
... Seal member, 21 ... Through hole.

Claims

[Scope of utility model registration request]

A cylinder body is provided, the end of which is closed with a closing member removably attached via a sealing member, and which introduces and discharges fluid into the interior of the piston so as to operate the piston that is slidably inserted into the cylinder body, and at least one end of the piston A piston rod is provided that projects outwardly through a through hole provided in the closing member, and a spherical member that contacts the outer circumferential surface of the piston rod is inserted into the main body through which the piston rod is inserted so as to support the piston rod. A large number of bearings arranged rotatably along the axial direction are provided in the cylinder body at positions axially inside the closing member so as to be located within the fluid of the cylinder body, and the piston rod penetrates the closing member. On the inner periphery of the hole, there is a fluid seal member that makes sealing and sliding contact with the outer peripheral surface of the piston rod to prevent the fluid inside the cylinder body from leaking to the outside, and a fluid seal member that is located axially outward from the fluid seal member to prevent external dust from entering the cylinder body. A fluid cylinder comprising a dust seal member that is in sealing sliding contact with the outer peripheral surface of a piston rod to prevent dust from entering.