Glass cutter

The utility model discloses a glass cutting knife, relates to the technical field of glass cutting, and provides the following scheme aiming at the problems that at present, the glass cutting is usually carried out by manually holding a cutting knife to scale lines on the glass, only linear cutting is convenient to carry out, and cutting deviation is easy to occur during cutting to influence the cutting quality, the glass cutting knife comprises a bottom plate, a bracket is fixedly mounted on the bottom plate; a sliding seat is arranged in the support in a sliding mode, the sliding seat is in sliding contact with the inner wall of the top side of the support, an electric push rod is fixedly installed on the bottom side of the sliding seat, an L-shaped plate is fixedly installed on a piston shaft of the electric push rod, and a connecting shaft is rotationally connected to the L-shaped plate. The glass cutting device is reasonable in structural design, glass can be conveniently cut in a circular mode instead o