JPS631971U

JPS631971U -

Info

Publication number: JPS631971U
Application number: JP9516086U
Authority: JP
Priority date: 1986-06-20
Filing date: 1986-06-20
Publication date: 1988-01-08

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の一実施例の断面図、第２図
はその副弁体の断面図、第３図は同じくその主弁
体の断面図、第４図は同じくその駆動装置の断面
図、第５図は同じくその動作説明図、第６図は従
来例の断面図である。１…主弁体、２…副弁体、３…弁棒、４…弁箱
、７…小孔、９…主弁体アーム、１１…第１係合
片、１２…第２係合片、１３…第３係合片、１５
…開放ばね、１７…駆動装置。 Fig. 1 is a sectional view of an embodiment of this invention, Fig. 2 is a sectional view of its sub-valve body, Fig. 3 is a sectional view of its main valve body, and Fig. 4 is a sectional view of its driving device. , FIG. 5 is a diagram explaining its operation, and FIG. 6 is a sectional view of the conventional example. DESCRIPTION OF SYMBOLS 1...Main valve body, 2...Sub-valve body, 3...Valve stem, 4...Valve box, 7...Small hole, 9...Main valve body arm, 11...First engagement piece, 12...Second engagement piece, 13...Third engagement piece, 15
...Opening spring, 17...Drive device.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

弁箱と、この弁箱の弁座に対して遠近方向に進
退自在に設けられ小孔を有する主弁体と、この主
弁体と同方向に進退可能に設けられ前記小孔を閉
じる副弁体と、この副弁体を前記主弁体に対して
開放位置に押開く開放ばねと、前記副弁体に係合
しかつ前記主弁体に前記副弁体のリフトより大き
い遊びを介して係合しこれら主弁体および副弁体
を進退させる弁棒とを備えたバルブ。 A valve body, a main valve element having a small hole that is movable forward and backward with respect to the valve seat of the valve body, and a sub-valve that is movable back and forth in the same direction as the main valve body and closes the small hole. an opening spring that urges the secondary valve body to an open position relative to the main valve body, and an opening spring that engages the secondary valve body and provides the main valve body with a play greater than a lift of the secondary valve body; A valve equipped with a valve stem that engages with the main valve body and moves the main valve body and the sub-valve body back and forth.