Novel variable-pole multi-speed three-phase asynchronous motor

A novel variable-pole multi-speed three-phase asynchronous motor comprises a housing, a rotor, a base, a terminal box, an end cover and a terminal box cover and further comprises a round waterproof rubber ring and a square waterproof rubber ring, wherein the end cover is arranged on the side face of the housing through screws, the rotor is arranged in the housing, the base is arranged at the bottom of the housing, the terminal box is arranged on the outside of the housing, the terminal box cover is arranged on the outside of the terminal box through screws, the round waterproof rubber ring is arranged on the inner side of the end cover, and the square waterproof rubber ring is arranged in the terminal box cover. The novel variable-pole multi-speed three-phase asynchronous motor is simple in structure, reasonable in design and capable of playing a good waterproof role, and noise and damage rate are reduced.