Telescopic stirrer

The present invention provides a telescopic stirrer, which comprises a motor, a telescopic rod and a stirring head; the telescopic rod comprises an upper rod body, a fastening sleeve and a lower rod body; the top end of the upper rod body is connected with the end of an output shaft of the motor, and external threads are arranged on the outer wall of the lower end of the upper rod body; a blind hole is formed in the bottom face of the upper rod body, a plurality of metal sheets are evenly arranged on the outer edge of an opening of the blind hole, a through hole is formed in the center of thefastening sleeve, a necking opening is formed in the lower end of the fastening sleeve, and internal threads are arranged on the inner wall of the through hole above the necking opening; the bottom end of the lower rod body is connected with the stirring head, the top end of the lower rod body extends into the blind hole after penetrating through the through hole, the fastening sleeve is fixed tothe upper rod body in a th