Vibrating small and special electric motor

The utility model discloses a vibrating small and special electric motor, casing are provided with the iron core, run through being provided with the pivot in the middle part of the iron core, pivot one end fixedly connected with balancing piece, and the fixed commutator that is provided with on the pivot other end, the commutator is connected with the interior brush contact of casing, be provided with varistor between commutator and the iron core, the pivot is provided with the bearing respectively with the casing both ends, the balancing piece is the eccentric structure of semi -cylindrical type, the pivot tail end still is connected with vocal projection, casing one side cover has vocal chamber, sound production intracavity side is provided with the shell fragment. The balancing piece and the motor combination of semi -cylindrical type off -centre structure are adopted in this application, realize the vibrations function, combine motor shaft's rotation function simultaneously, and another is provided with