Waterproof motor of electric car

The invention discloses a waterproof motor of an electric car. The waterproof motor comprises a center shaft, a wheel hub, buckle covers and a stator, wherein the buckle covers are fixedly arranged ontwo sides of the wheel hub; the buckle covers are mounted on the center shaft through bearings; peripheral cylinder-shaped bulge ends are arranged at the ends of the buckle covers; each peripheral cylinder-shaped bulge end is internally provided with a clockwise spiral groove oil seal, an oil storage tank oil seal and an anticlockwise spiral groove oil seal which are arranged in sequence; an oilstorage tank surrounding inner circumference is formed in each oil storage tank oil seal; each oil storage tank is internally provided with a strong magnet material in which a gap is formed and whichcan be automatically filled with grease to form a spherical steel ball; corresponding isolation discs are coaxially arranged at the ends of the outer sides of each clockwise spiral groove oil seal, the corresponding oil storage