Miniature pump integral type magnetic drive pump based on axial motor drive

The utility model provides a miniature pump integral type magnetic drive pump based on axial motor drive, includes pump case, impeller, pump cover, stator unit, motor cover board, first bush, second bush, permanent magnet, stator axle, the one end and the impeller connection of stator axle, the other end fix on the motor cover board, the impeller dorsal part is equipped with big bulge loop and little bulge loop, installs the permanent magnet on the outer terminal surface of big bulge loop, stator unit installs at the stator epaxially, and stator yoke among the stator unit and winding and permanent magnet are corresponding, being equipped with first bush on the pump inner surface of the cover, being equipped with the second bush on the surface of big bulge loop, the second bush is corresponding with first bush, the flange and the little bulge loop of first bush, second bush, stator axle fall into high, medium and low three pressure chamber with the back space of impeller jointly. The utility model discloses in