Electrostatic dust collection blackboard eraser

The utility model discloses an electrostatic dust collection blackboard eraser which comprises a handle, a brush, a hollow metal ball, a conveying belt, a dust collection device and a motor, the conveying belt is rotationally arranged on the handle through a rotating shaft, and the rotating shaft is in transmission connection with the motor; the motor is arranged at one end of the handle, and thehollow metal ball and the dust collecting device are arranged at the other end of the handle; the brush wraps the surface of the hollow metal ball, one end of the conveying belt is electrically connected with the hollow metal ball, the other end of the conveying belt is connected with the Van der Grav motor, and the dust collecting device is arranged on the handle and located at the lower end of the hollow metal ball. The electrostatic dust collection principle is adopted, and cleaning is convenient and clean. The device is convenient to move, low in manufacturing cost, huge in market and easyto popularize. 本实用新公开了一种静