Switch off valve soon

The utility model provides a switch off valve soon, includes valve body, valve gap, sealed pad, left flashboard, right flashboard, valve rod, connecting rod, sealing washer, compresses tightly cap, handle and set screw, wherein is equipped with medium admission passage, medium outflow passageway, left disk seat, right disk seat, valve rod hole and middle chamber on the valve body, the chamber is provided with the swing passageway in the middle of the valve body, and messenger's flashboard can reciprocate to slide from top to bottom in the swing passageway, makes the mode of opening and close of flashboard be the swing by traditional linear motion change for the speed of opening and close of valve, through the asymmetric sphere extrusion at flashboard back, make two flashboards valve seat seal angle that can compound automatically, reduced the machining precision of disk seat, improved the processing qualification rate of product, reduced the manufacturing cost of product.