Permanent magnet brushless direct current hub motor for shared electric bicycle

The permanent magnet brushless direct current hub motor for the shared electric bicycle comprises a bottom plate, connecting rods are fixedly connected to the left side and the right side of the upper end of the bottom plate, side plates are rotationally connected to the middles of the connecting rods, and protruding blocks are fixedly connected to the sides, facing the middle of the bottom plate, of the side plates. And notches are formed in the upper ends of the side plates and abut against the left side and the right side of the lower connecting plate correspondingly. According to the utility model, the convex blocks can be clamped with the grooves in the two sides of the baffle plate, the lower connecting plate penetrates through the grooves in the side edges of the side plates, the lower connecting plate is pressed downwards, the side plates are limited under the action of the limiting plate, the upper connecting plate is placed at the upper ends of the side plates, the sliding blocks slide, and the groo