Full-rubber-lined disc type check valve

The utility model relates to the technical field of butterfly check valves, and discloses a full-rubber-lined butterfly check valve which comprises a valve body, symmetrically-distributed valve shafts are installed in the valve body, taper pins are inserted in the valve shafts, a pressing pad is arranged between the valve shaft on the left side in the valve body and the valve body, a stuffing box is fixedly installed on the outer side of the pressing pad, and the stuffing box is fixedly connected with the valve body. An end cover is movably installed on the end face, away from the taper pin, of the valve shaft on the right side in the valve body. An oil cylinder fixing plate is fixedly installed on the left side of the valve body, and the left side of the oil cylinder fixing plate is in threaded connection with a damping oil cylinder. According to the full-rubber-lined disc type check valve, when the valve body and the valve clack are closed through rubber lining at the same time, the valve seat makes contact