JPS6357879U

JPS6357879U -

Info

Publication number: JPS6357879U
Application number: JP15104386U
Authority: JP
Priority date: 1986-10-01
Filing date: 1986-10-01
Publication date: 1988-04-18

Description

[Brief explanation of the drawing]

第１図はこの考案の実施例の縦断面図、第２図
は実施例の可動鉄心およびリターン・スプリング
の斜視図、第３図は従来の電磁作動装置の縦断面
図、第４図はこの考案による電磁作動装置と従来
の電磁作動装置の可動鉄心の動特性を比較した説
明図である。２１……ハウジング、２２……隔壁、２２ａ…
…開口、２３……ガイド部材、２４……ソレノイ
ド・コイル、２５……可動鉄心、２６……固定鉄
心、２８……リターン・スプリング、２９……弁
体、３１……通路部材、３２……空気通路、３３
……弁座。 Fig. 1 is a longitudinal sectional view of an embodiment of this invention, Fig. 2 is a perspective view of the movable core and return spring of the embodiment, Fig. 3 is a longitudinal sectional view of a conventional electromagnetic actuator, and Fig. 4 is a longitudinal sectional view of this embodiment. FIG. 3 is an explanatory diagram comparing the dynamic characteristics of the movable core of the electromagnetic actuator according to the invention and the conventional electromagnetic actuator. 21... Housing, 22... Partition wall, 22a...
...Opening, 23...Guide member, 24...Solenoid coil, 25...Movable core, 26...Fixed core, 28...Return spring, 29...Valve body, 31...Passway member, 32... air passage, 33
……valve seat.

Claims

[Claims for Utility Model Registration] (1) A ferromagnetic housing having a partition wall with an opening in the center at one end, and a non-magnetic housing inserted into the housing and having one end fitted and fixed in the opening. a guide member, a solenoid coil wound around the outer periphery of the guide member, a movable core slidably inserted into the opening side inside the guide member, and a movable core inserted inside the guide member with one end facing the movable core. a fixed core fitted and fixed to the core, a return spring inserted between the two cores, a valve body attached to the outer end surface of the movable core, and a fluid passage opened and closed by the valve body. An electromagnetic actuation device comprising a passage member fixed to a partition wall,
An electromagnetic actuating device characterized in that a sliding surface of the movable iron core is provided with a helical groove extending in the same direction as the winding direction of the return spring. (2) The electromagnetic actuating device according to claim 1, wherein the spiral groove is coated with a material having a small coefficient of friction.