Multi-rotor adjustable brushless motor

The invention relates to the technical field of brushless motor adjustability, and discloses a multi-rotor-wing adjustable brushless motor which comprises a machine shell and an output shaft, fan blades are fixedly connected to the top of the outer wall of the output shaft, an adjusting device is arranged at the bottom of the inner wall of the machine shell, and the adjusting device is arranged on the outer wall of the machine shell. According to the adjusting device, a stator is arranged on the outer wall of the output shaft close to the bottom of the machine shell, a first rail is fixedly connected to the bottom of the inner wall of the machine shell close to the outer wall of the stator, a second rail is fixedly connected to the bottom of the inner wall of the machine shell close to the outer wall of the first rail, and a third rail is fixedly connected to the bottom of the inner wall of the machine shell close to the outer wall of the second rail. The inner wall of the third rail is slidably connected wit