Motor lower cover with high connection stability

The utility model discloses a motor lower cover with high connection stability, which relates to the field of motors and comprises a motor lower cover body, a connecting sleeve is welded on the inner side of the motor lower cover body, a fixing frame is welded on the outer side wall of the motor lower cover body, and a locking connection mechanism is mounted on the outer side wall of the fixing frame. A ventilation opening is formed in the outer side wall of the motor lower cover body, and a sealing mechanism is installed on the inner side wall of the connecting sleeve. According to the utility model, through the arrangement of the locking connection mechanism, after the lower cover body of the motor is fixedly connected with the motor through the fixing frame and screws, the locking clamping plate is subjected to rotation position adjustment through the rotating shaft, and after the locking clamping plate is rotated to a designated position, the locking bolt on the inner side of the connecting frame is screw