JPS59185402U

JPS59185402U - electromagnetic operating device

Info

Publication number: JPS59185402U
Application number: JP8063983U
Authority: JP
Inventors: 市川　晃治
Original assignee: 株式会社ナブコ
Priority date: 1983-05-28
Filing date: 1983-05-28
Publication date: 1984-12-10

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

Description

[Brief explanation of drawings]

第１図はこの考案の電磁操作装置の実施例の回路説明図
、第２図は同平面図、第３図はパイロット圧力流体供給
部の縦断面図、第４図は電磁操作部の縦断面図、第５図
は、従来装置の回路図である。１・・・パイロット圧力流体供給部、２・・・スプール
、３・・・電磁操作部、５・・・Ｐポート、９・・・減
圧弁、１３・・・背圧弁、１３ａ・・・主弁、１３ｂ・
・・ばね、１３Ｃ・・・ばね室、１４・・・Ｃポート、
１５・・・ピストン、２７ａ、　２７ｂ−・・圧力室、
２８ａ、　２８ｂ−・・電磁石、４１ａ、４１ｂ・・・
ポペット弁部、Ａ・・・電磁操作装置、Ｂ・・・圧力流
体供給源。Fig. 1 is an explanatory circuit diagram of an embodiment of the electromagnetic operating device of this invention, Fig. 2 is a plan view thereof, Fig. 3 is a longitudinal cross-sectional view of the pilot pressure fluid supply section, and Fig. 4 is a longitudinal cross-section of the electromagnetic operating section. FIG. 5 is a circuit diagram of a conventional device. DESCRIPTION OF SYMBOLS 1... Pilot pressure fluid supply part, 2... Spool, 3... Electromagnetic operation part, 5... P port, 9... Pressure reducing valve, 13... Back pressure valve, 13a... Main Valve, 13b・
...Spring, 13C...Spring chamber, 14...C port,
15...Piston, 27a, 27b-...Pressure chamber,
28a, 28b--electromagnet, 41a, 41b...
Poppet valve part, A...electromagnetic operating device, B...pressure fluid supply source.

Claims

[Scope of utility model registration request]

A P port connected to a pressure fluid source, a C port connected to a supply circuit of the directional valve, a back pressure valve provided between the P port and the C port and connecting the spring chamber to the tank, and this back pressure valve. a pilot pressure fluid supply section comprising a pressure reducing valve connected to the upstream side of the spool, a spool, an inner hole into which a piston connected to the spool is slidably fitted, and a pressure generated by the inner hole and the piston. a poppet valve section disposed between the pressure chamber and the pressure reducing valve and opened and closed by an electromagnet; and a poppet valve section disposed downstream of the poppet valve section that opens and closes the pressure chamber when the poppet valve section opens. An electromagnetic operating section comprising a solenoid valve section that connects a pressure reducing valve and a valve that connects a pressure chamber to a tank when the poppet valve section is closed.