Direct-driving magnetic-coupling type harmonic motor

A direct-driving magnetic-coupling type harmonic motor relates to the field of direct-driving motor, and solves the problems of difficulty in maintenance, low output efficiency and big vibration noise of the prior motor-gear drive system of the electric automobile, and the huge volume of the conventional direct-driving type motor. An inner stator, a cup-shaped rotor, an outer stator and a shell are orderly sleeved from outside to inside on a radial direction of a rotor output shaft; an air gap is arranged between the cup-shaped rotor and the inner stator, and between the cup-shaped rotor and the outer stator; a left end cover and a right end cover separately cover on the left and right end faces of the shell; the opening of the cup-shaped rotor faces towards the right end cover; the bottom of the cup-shaped rotor is fixedly connected with the rotor output shaft; magnetic steel grooves are set on the inner and outer side walls along the axial direction; magnetic steels are embedded in the magnetic steel groove