Aluminum alloy die casting process is adopted for the die casting aluminum motor wiring shell. The utility model has the advantages of compact structure, light weight, high strength, good heat conduction and heat dissipation performance, beautiful appearance, etc. The product is designed as a detachable foot assembly mode. Installation methods include top outlet, right outlet, left outlet, horizontal and vertical outlet, which are widely used. The products are recognized by the international market and favored by customers at home and abroad.