JPS6166841U

JPS6166841U -

Info

Publication number: JPS6166841U
Application number: JP15103984U
Authority: JP
Priority date: 1984-10-05
Filing date: 1984-10-05
Publication date: 1986-05-08
Also published as: JPH0125469Y2

Description

[Brief explanation of the drawing]

図面は本案圧力スイツチの一実施例を示すもの
で、第１図は圧力流体が無圧状態における概略の
縦断面図、第２図は可動板の平面図、第３図は通
常圧力状態における概略の縦断面図、第４図は異
常高圧状態における概略の縦断面図で第５図は従
来のこの種スイツチの同様縦断面図である。１０…スイツチ本体、１１…通路、１２…筒状
のケース、１４，１５…ターミナル、１６…ばね
、１８…ばね受け、２０…固定接点、２１…可動
板、２２…可動接点、２５…作用点、２７，２８
…突起、２９…ピストン、３０…孔、３１…反転
板、３２…ダイヤフラム、３３…作動棒。 The drawings show one embodiment of the pressure switch of the present invention, in which Fig. 1 is a schematic vertical cross-sectional view when the pressure fluid is in an unpressurized state, Fig. 2 is a plan view of the movable plate, and Fig. 3 is a schematic diagram in a normal pressure state. FIG. 4 is a schematic vertical cross-sectional view in an abnormally high pressure state, and FIG. 5 is a similar vertical cross-sectional view of a conventional switch of this type. DESCRIPTION OF SYMBOLS 10... Switch body, 11... Passage, 12... Cylindrical case, 14, 15... Terminal, 16... Spring, 18... Spring receiver, 20... Fixed contact, 21... Movable plate, 22... Movable contact, 25... Point of action , 27, 28
...Protrusion, 29... Piston, 30... Hole, 31... Reversing plate, 32... Diaphragm, 33... Operating rod.

Claims

[Scope of utility model registration request]

A switch body having a pressure fluid passage, a cylindrical case that is hermetically connected to this body and has terminals spaced apart from each other, and within this case, projections that are biased toward the switch body by spring pressure and have different heights. One end is fixed to one terminal, and the other end has a movable contact opposite to the fixed contact on the other terminal, with a point of action in the center and a spring receiver located slightly away from the point of action. A movable plate having a fulcrum formed by a lower protrusion of the spring receiver slides between the movable plate and the switch main body within a cylindrical case, and the higher protrusion of the spring receiver comes into contact with the center A piston having a hole in the bottom, a reversing plate whose outer periphery is fixed to the inner periphery of the piston on the switch body side, and a diaphragm provided between the switch body and the cylindrical case on the switch body side of the reversing plate. , a pressure switch comprising an actuating rod passing through a hole in the center of the piston and provided between the reversing plate and the point of action of the movable plate.