Electric corrosion prevention structure of plastic package direct current brushless motor bearing

The utility model belongs to the technical field of motors, and particularly relates to an electric corrosion prevention structure of a plastic package brushless direct current motor bearing, which comprises a motor shaft, a press-fitting end cover mounted on the periphery of a first bearing, a plastic package end cover mounted on the periphery of a second bearing, an electric corrosion prevention lead connected to one end of the plastic package end cover, an electric corrosion prevention insertion piece connected to the other end of the electric corrosion prevention lead, and an electric corrosion prevention insertion piece connected to the other end of the plastic package end cover. An insertion piece fixing plate is installed on the electric corrosion prevention insertion piece and arranged on the upper end face of the insulation framework, a circular installation part is formed at one end of the insertion piece fixing plate, a first fixing groove is formed in the circular installation part, and a three-ph