An improved stop valve having a valve disc and valve stem connection

Abstract

The utility model discloses a valve and valve stem connecting structure improved stop valve, including valve body, valve cover, valve rod and valve flap, valve cover and valve body fixed connection, the valve body has inflow hole, vertical hole and outflow hole, and the outflow hole and outflow hole all have the included angle of inclination with horizontal plane, and the inclination included angle of both is equal, and vertical hole communicates inflow hole and outflow hole, and the valve flap is installed in the vertical hole, and one end of valve rod is connected with hand wheel, and the other end is embedded in the valve flap, and all are provided with annular groove on valve rod and valve flap, is provided with ball in annular groove, and the diameter of ball is greater than the depth of single annular groove, is provided with first sealing plug for installing ball on valve flap, is provided with sealing assembly on valve cover, and the middle part of valve rod is screwed with valve cover, the utility model discloses through the structure of improvement valve flap and valve rod can make valve rod directly insert into valve flap and reach the effect of automatic centering of both, and ball can avoid valve rod and valve flap separation.

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