Permanent magnet motor for inflatable flotation machine

The utility model relates to a permanent magnet motor for an inflatable flotation machine. Main shaft adopts a hollow structure, an air inlet device is arranged above the main shaft; air inlet pipe inner hole, the inner hole of the main shaft and the sealing piece form a sealed air inlet channel from top to bottom; the upper end cover and the lower end cover are connected with the outer shell through fasteners; a stator and a rotor are arranged between the outer shell and the main shaft, a suspension device is arranged between the air inlet device and the upper end cover, the upper end cover is fixed to the lower portion of the suspension device, the thrust bearing is fixed to the main shaft through a round nut, and a connecting flange is arranged on the lower portion of the main shaft; the permanent magnet motor has the advantages that the whole permanent magnet motor adopts a vertical structure, the air inlet device is arranged at the upper part, a driving device and a bearing body of the traditional flotat