JPS5966658U

JPS5966658U - booster

Info

Publication number: JPS5966658U
Application number: JP16359482U
Authority: JP
Inventors: 勉山下
Original assignee: 株式会社ナブコ
Priority date: 1982-10-27
Filing date: 1982-10-27
Publication date: 1984-05-04

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図は従来の倍力装置の一実施例を示す断面　−１図
、第２図は本考案の倍力装置の一実施例を示す断面図で
ある。１６・・・倍力装置、１７・・・本体、１７ａ・・・内
孔、１゛８・・・ピストン、１９・・・スプール、２４
・・・供給ポート、２５−・・排出ポート、２６ａ、２
６ｂ、２６Ｃ・・・ランド部、３４・・・出力ロット、
３５・・・圧力室、４０・・・連絡通路、Ｐ・・・圧力
流体源（ポンプ）、Ｔ−・・・タンク。FIG. 1 is a cross-sectional view of an embodiment of a conventional booster; FIG. 2 is a cross-sectional view of an embodiment of the booster of the present invention. 16... Booster, 17... Main body, 17a... Inner hole, 1゛8... Piston, 19... Spool, 24
... Supply port, 25-... Discharge port, 26a, 2
6b, 26C...land part, 34...output lot,
35... Pressure chamber, 40... Communication passage, P... Pressure fluid source (pump), T-... Tank.

Claims

[Scope of utility model registration request]

a body having an inner hole through which a supply port connected to a source of pressure fluid and a discharge port connected to a tank open; an output rod slidably inserted into the inner hole of the body and connected to a controlled device; and a piston having a land portion for controlling opening and closing between the supply port and the discharge port, into which a spool to which an operating force is applied is slidably fitted; a pressure chamber formed on the output rod side of the piston; A communication passage provided in the spool and communicating the pressure chamber with either a supply port or a discharge port.