Electric motor car driving motor

The utility model discloses an electric motor car driving motor, including motor body, motor body includes front end housing and rear end cap, and front end housing and rear end cap form by the cast aluminium casting, and through screw fixed connection, front end housing inner wall and rear end cap inner wall enclose into a cavity together, are equipped with rotor and stator in the cavity, characterized by between front end housing and the rear end cap: front end housing and rear end cap surface all be equipped with with the endocentric ring groove of end cover, be equipped with first strengthening rib in the ring groove, front end housing and rear end inner surface of the cover are equipped with the cyclic annular boss that corresponds with ring groove, cyclic annular boss center is equipped with the bearing frame, even has the second strengthening rib corresponding with first strengthening rib position between bearing frame outer wall and the end cover lateral wall. This electric motor car driving motor has simple structure, and intensity is high, is convenient for make the advantage of installation.