Vibration source three-phase asynchronous motor

The utility model relates to an electric machine, in particular to a vibration source three phase asynchronous motor, comprising a casing, a rotor, a stator, an end closure, a rotating shaft and movement weights, wherein the stator is fixed inside the casing, the rotor is arranged on the rotating shaft, the movement weights are respectively arranged at two ends of the rotating shaft, and one end of each movement weight is provided with an extra-weight mat; the casing is provided with a line outlet, the inside of the line outlet is provided with a lead which is connected to the stator, the end closure is covered on the rotating shaft, the edge of the end closure is provided with a seal ring, a big-end bearing and a little-end bearing are arranged between the end closure and the rotating shaft, and an interlayer is arranged between the big-end bearing and the little-end bearing; the interlayer is adhered to the sides of the big-end bearing and the little-end bearing, the exterior of the little-end bearing is pr