Motor shifting device of oil extractor

The utility model relates to a motor shifting device of an oil extractor, comprising a motor, a fixing bolt and a motor track. The motor is mounted on the motor track by the fixing bolt. The motor shifting device of the oil extractor further comprises a bearing, a transmission screw nut and a transmission screw rod, wherein the bearing is mounted between the motor and the motor track; the fixing bolt penetrates through the bearing, and the lower end of the fixing bolt is integrally fixed at the transmission screw nut; an external thread of the transmission screw rod is screwed with an internal thread of the transmission screw nut; the transmission screw rod is supported on the motor track; and the external thread on the transmission screw rod and the internal thread on the transmission nut are rectangular threads. When the motor is adjusted, the transmission screw rod is rotated to move the motor of the oil extractor to a required position; as rotating the transmission screw rod can produce a large push-pull