JPS6136774U

JPS6136774U - poppet valve

Info

Publication number: JPS6136774U
Application number: JP12220084U
Authority: JP
Inventors: 一郎毛利野
Original assignee: 東芝機械株式会社
Priority date: 1984-08-09
Filing date: 1984-08-09
Publication date: 1986-03-07

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図は本考案の一実施例の断面図、第２図は本考案の
他の実施例の断面図である。１１．７３・・・本体、１２ないし１６，２３，４，
３０，３１，７４ないし７６・・・孔、１９・・・出・
口、２０・・・入口、２２，７７・・・ポペット、２９
・・・第２パイ占ットスプール、３８・・・制御モータ
、４２，７１・・・第１パイロットスプール。FIG. 1 is a cross-sectional view of one embodiment of the present invention, and FIG. 2 is a cross-sectional view of another embodiment of the present invention. 11.73...Main body, 12 to 16, 23, 4,
30, 31, 74 to 76... hole, 19... exit
Mouth, 20...Entrance, 22,77...Poppet, 29
...Second pie chart spool, 38...Control motor, 42,71...First pilot spool.

Claims

[Claims for Utility Model Registration] (1) A main body having holes of a plurality of diameters in the longitudinal direction and an inlet and an outlet for fluid; a poppet that is movably inserted and has a hole in the center, and a second pilot that has a tip slidably inserted into the poppet's hole and a base end inserted into the medium diameter hole of the main body and has a hole in the center. spool, and a first pipe-opening spool that is slidably inserted into the hole of the second pilot spool and is moved from the control motor via a link, and the first pilot spool is moved by the distance that the first pilot spool is moved. A poppet valve whose opening degree is controlled by moving two pilot spools and then moving the poppet by the distance moved by the second pilot spool. (2) The poppet valve has two rows of annular grooves on the inner and outer peripheries, and the inner and outer annular grooves are connected by a passage, and the middle and end faces of the annular grooves on the inner periphery are communicated by the passage. A poppet valve according to claim 1 of the patent registration claim. (3) Utility model registration claim 1, characterized in that the portion inserted into the hole of the main body of the second pilot spool is provided with annular grooves on the inner and outer peripheries, and the annular grooves on the inner and outer peripheries are communicated by a passage. poppet valve.