The invention belongs to the technical field of motor equipment, and particularly relates to a motor. The motor comprises a casing, wherein an end cover is arranged at the right side of the casing; aninstalling seat is arranged at the lower end of the casing; a stator magnet is arranged on the inner wall of the casing; a No.1 rotating shaft is arranged in the casing; a rotor coil is arranged on the No.1 rotating shaft; a No.1 cavity is formed in the left side of the No.1 rotating shaft; a No.1 rodless packing auger is arranged in the No.1 cavity; a No.2 rotating shaft is arranged in the No.1cavity and passes through the No.1 rodless packing auger; a No.2 cavity is formed in the right side of the No.2 rotating shaft; internal screw threads are arranged at the right side of the No.2 rotating shaft; a No.2 rodless packing auger is arranged in the No.2 cavity; a threaded hole communicating with the No.1 cavity is formed in the end part of the No.1 rotating shaft; a screw bolt is arrangedin the threaded hole; a left end of the screw bolt is arranged in the internal screw threads of the No.2 rotating shaft; a fan is arranged on the No.2 rotating shaft; the No.1 cavity of the No.1 rotating shaft is sealed by the fan; a liquid guide pipe is arranged on a fan blade of the fan; one end of the liquid guide pipe communicates with the No.1 cavity; and the other end of the liquid guide pipe communicates with the No.2 cavity.