Movable threshold double-leaf protective door with good sealing effect

The utility model discloses a movable doorsill double-leaf protective door with good sealing effect, which relates to the technical field of protective doors, and comprises a protective door, a fixed block and a rotating disc, the outer wall of the protective door is fixedly provided with a rubber ring through a bolt, and the side wall of the protective door is provided with a plurality of groups of air suction ports; a connecting pipe is arranged on the inner wall, located on one side of the air suction port, of the protective door in a communicating mode, a groove is formed in the inner wall, located on one side of the protective door, of the connecting pipe, a cavity connected with the connecting pipe is installed in the groove, a piston is arranged in the cavity, and a power rod is fixedly connected to one side of the piston. Through the arrangement of the rubber ring and the fixing bolt, the technical problem that liquid or gas leaks due to the fact that the sealing performance of the movable threshold d