JPH0261140U

JPH0261140U -

Info

Publication number: JPH0261140U
Application number: JP14082788U
Authority: JP
Priority date: 1988-10-28
Filing date: 1988-10-28
Publication date: 1990-05-07
Anticipated expiration: 2003-10-28
Also published as: JPH0810662Y2

Description

[Brief explanation of drawings]

第１図は本考案の実施例を示す縦断面図、第２
図は第１図の拡大部分図である。１……シリンダ筒、６……第一室、７……第二
室、８……ピストン体、１１……筒状周縁部、１
３……連通孔、１４……オリフイス、１５……逆
止弁、１６……ピストン杆、１８……戻しばね。 Fig. 1 is a vertical sectional view showing an embodiment of the present invention;
The figure is an enlarged partial view of FIG. DESCRIPTION OF SYMBOLS 1... Cylinder tube, 6... First chamber, 7... Second chamber, 8... Piston body, 11... Cylindrical peripheral part, 1
3... Communication hole, 14... Orifice, 15... Check valve, 16... Piston rod, 18... Return spring.

Claims

[Scope of utility model registration request]

A cylinder tube 1 in which a liquid is sealed, a piston body 8 fitted into the cylinder tube 1 to partition the inside into a first chamber 6 and a second chamber 7, and a piston body 8 that penetrates the first chamber 6 to form the cylinder. a piston rod 16 that protrudes to the outside of the cylinder 1 and linearly reciprocates together with the piston body 8; a return spring 18 that is inserted into the second chamber 7 and pushes the piston body 8 toward the first chamber 6; Equipped with
The piston body 8 includes a communication hole 13 and an orifice 14 that communicate the first chamber 6 and the second chamber 7, a check valve 15 that opens and closes the communication hole 13, and a check valve 15 that opens and closes the communication hole 13. A dart pot having a flexible cylindrical peripheral portion 11 which becomes larger in diameter toward the chamber 7 and comes into close contact with the inner wall surface of the cylinder tube 1.