Belt plug type backstop

The utility model discloses a belt plug type backstop in the technical field of backstops. The device comprises a body, mounting seats and rollers, the mounting base is fixedly mounted at the bottom of the body; the roller is fixedly installed on the upper side of an inner cavity of the body. A fixing piece is arranged in the middle of the rear side wall of an inner cavity of the body. An elasticpiece is arranged on the upper side of the outer side wall of the fixing piece. A non-return belt is arranged at the tail end of the elastic piece; mounting holes are formed in the left side and the right side in the mounting base; a rotating piece is arranged in the middle of the inner side wall of the roller; a belt is arranged on the outer side wall of the roller; the belt plug type backstop isreasonable in structural design, the additionally-arranged elastic piece is matched with the backstop belt to brake the roller and the belt of the belt plug type backstop, the backstop belt obtainedafter braking is completed