Fast door opener of dredging pipe valve

The utility model discloses a fast door opener of dredging pipe valve, fast door opener has interior annular including adjusting seat, seal, sealing washer, internal stay frock, outer supporting frockand side door on the inner wall, be equipped with the flange on the cell wall in the interior annular outside, the seal is including sealing base and stand, sealing washer fixed mounting is in sealing base one side, and contact side door inner wall forms sealed cooperation, the regulation seat is formed by a plurality of fan annular block combination, fan annular block outside top surface is provided with the boss, the fan annular block through internal stay frock screw in stand contact extrusion and the footpath outwards move, and fan annular block outer fringe is gone into in the interior annular on the side door inner wall with boss and flange block complex mode card, the fan annular block through outer supporting frock screw in stand contact extrusion and the footpath depression. Can't open fast door opener w