JPH0456274U

JPH0456274U -

Info

Publication number: JPH0456274U
Application number: JP9895190U
Authority: JP
Priority date: 1990-09-25
Filing date: 1990-09-25
Publication date: 1992-05-14

Description

[Brief explanation of the drawing]

第１図は本考案に係る回転型弁の一実施例を示
す断面図、第２図はバルブプラグ、弁軸およびス
タツドの斜視図、第３図はバルブプラグの全開状
態を示す図、第４図は全閉状態を示す図である。２……弁本体、４……バルブプラグ、５……弁
軸、９……球面着座部、１０……開口部、１２…
…シートリング、１５……内底面着座部、２３…
…上蓋、２４……弁軸挿通孔、２５……グランド
孔、５０……ストツパ、５１，５２……開放端面
。 Fig. 1 is a sectional view showing one embodiment of the rotary valve according to the present invention, Fig. 2 is a perspective view of the valve plug, valve stem and stud, Fig. 3 is a view showing the valve plug in a fully open state, Fig. 4 The figure shows a fully closed state. 2... Valve body, 4... Valve plug, 5... Valve shaft, 9... Spherical seat, 10... Opening, 12...
...Seat ring, 15...Inner bottom seating part, 23...
...Top lid, 24...Valve shaft insertion hole, 25...Gland hole, 50...Stopper, 51, 52...Open end surface.

Claims

[Scope of utility model registration request]

A valve plug that is formed in a hemispherical shape, has an outer peripheral surface forming a spherical seating part, has an opening in a portion of the outer peripheral surface, and is rotatably provided within the valve body, and one end is coaxially joined and fixed to the valve plug. and a valve shaft whose other end protrudes to the outside through a valve shaft insertion hole in the upper cover that closes the opening of the valve body, and a stopper is provided protrudingly provided on the downstream side of the inner bottom surface seating portion of the valve body, A rotary valve characterized in that the stopper is brought into contact with the open end surface of the valve plug when the valve plug is fully opened or fully closed.