Multi-sealing corrugated pipe instrument valve

The invention discloses a corrugated pipe instrument valve. The valve comprises a valve body, a valve clack, a valve rod, a valve seat, a corrugated pipe, a pressing ring, a valve cover, a sealing filler cushion, a splicing nut, a filler box, a pressing nut and a hand wheel; an inlet and an outlet are formed in the valve body, the inlet and the outlet are formed in one axis, the valve seat is arranged in the center of an inlet and outlet flow channel on the valve body, the valve seat is located on the inlet and outlet flow channel, the valve clack matched with the valve seat is connected withthe valve rod, the valve rod drives the valve clack to be opened and closed on the valve seat to correspond to opening and closing of the valve, a valve rod end rotating sleeve shaft is inserted intoa stop hole of the valve clack so that the valve rod and the valve clack can be connected, the stainless steel corrugated pipe sleeves the valve rod, and the lower end of the corrugated pipe is weldedto the lower end of the va