The utility model discloses a novel speed
reducer motor realizes
miniaturization, light weight and integration, and it includes motor, speed
reducer, first bolt and second bolt, the motor includes first casing and
motor shaft, the output end surface of first casing is square, and the first perforation is established in all the four corner positions, the speed
reducer includes connecting plate, second casing, output shaft and planetary gear, the output end
surface shape of connecting plate and first casing is same and is equipped with the first screw hole opposite first perforation, the inner chamber of second casing is equipped with the inner tooth ring, and the end surface facing connecting plate is equipped with a plurality of second screw holes, and connecting plate is equipped with the second perforation opposite second screw hole, the output shaft is rotatably matched in second casing, the planetary gear is rotatably installed in the circumferential surface of inside end portion of output shaft and is driven connection with inner tooth ring and
motor shaft simultaneously, first bolt passes through second perforation and is connected with second screw hole threadedly, second bolt passes through first perforation and is connected with first screw hole threadedly, and first casing covers first bolt.