Demister for front windshield of vehicle

The utility model discloses a demister for a front windshield of a vehicle, relates to the technical field of demisting, and provides the following scheme aiming at the problems of unsafe wiping of fogging on a vehicle window, high consumption of turning on an air conditioner and troublesome window opening in the running process of the vehicle: the demister comprises a frame body, and the left side of the bottom of the frame body is fixedly connected with a motor; an output shaft of the motor is fixedly connected with a reciprocating screw rod, the upper end of the reciprocating screw rod is sleeved with a moving block in a threaded mode, the lower portion of the reciprocating screw rod is fixedly sleeved with a first belt wheel, the right side of an inner cavity of the frame body is fixedly connected with a guide rod, and the upper portion of the guide rod is sleeved with a guide block; and a brush plate is fixedly connected between the guide block and the moving block, and three short shafts are rotationall