L-shaped three-stage helical gear high reduction ratio micromotor

The utility model relates to the technical field of motors, in particular to an L-shaped three-stage helical gear high-reduction-ratio micromotor, which comprises a motor stator, a gear box and an output rotating shaft, the motor stator is arranged at the bottom of one end of the gear box, and the output rotating shaft is arranged at the bottom of the other end of the gear box. A motor gear, a first-level bevel gear, a second-level bevel gear and a third-level bevel gear are arranged in the gear box, the motor gear is installed on a motor rotating shaft, the motor gear is meshed with a first large gear of the first-level bevel gear, a first small gear of the first-level bevel gear is meshed with a second large gear of the second-level bevel gear, a second small gear of the second-level bevel gear is meshed with the third-level bevel gear, and the third-level bevel gear is meshed with the first-level and the third-stage helical gear is mounted on the output rotating shaft. Compared with the prior art, through