Novel form-stripping cutting-free water stop screw

The utility model discloses a novel form removal cutting-free water stop screw, which belongs to the technical field of building construction appliances and comprises a middle pull rod, a water stop sheet is fixedly welded at the center of the middle pull rod, connecting seats are symmetrically welded at two ends of the middle pull rod, connecting nuts are arranged at the centers of the connecting seats and are in threaded connection with end heads, and the end heads are in threaded connection with the middle pull rod. The end head is arranged at the end portion of the end head, a sealing mechanism used for blocking a connecting hole is arranged between the connecting base and the torsion head, the middle pull rod is composed of two threaded rods arranged side by side, the two cross rods are symmetrically arranged on the two sides of the connecting nut, the threaded rods are provided with two specifications of phi 14 and phi 16, and the two cross rods are provided with two specifications of phi 16. The end he