The present invention is coupled to an electric toothbrush body that provides the power to repeatedly reciprocate the brush head in the vertical direction : relates to a brush head for an electric toothbrush head of simple structure that can improve the washing power by making it possible to brush their teeth with the present invention for realizing automatic this end, the brush bristles are implanted part implanted Doedoe elongated from the bristles implanted part, bristle brush shaft implanted portion adjacent to the site of the first locking projection is formed while the opposite side of the free end of the handle portion, the electric power transmission shaft coupled to the shaft coupling portion is formed Consists of a cylindrical axis of the brush head surrounding the whole one end is coupled to the shaft housing as well as not being separated the first locking groove for engaging the first engaging protrusion is formed soon as inserted into the bristles implanted portion As one end is made in a cylindrical shape and is bent inwardly at right angles to the fastening annular groove formed on the outer bristle axis, the other end is bent at right angles in contact on the other end of the shaft housing, the middle serrated second fastening projections are formed shaft On the other hand coupled to a corresponding saw-tooth grooves of the second fastening portion formed on the housing, the other end is adjacent to the rear cap coupled to the match line for the groove formed in the corresponding portion of the shaft housing is formed for matching the projection line composed, including , the brush head and bristles implanted additional power transmission shaft axis of vibrational motion in the direction of rotation in the same manner as the vertical direction characterized in that arranged to the recurring reciprocating movement.본 발명은 동력을 제공하는 전동칫솔 본체에 결합되어 칫솔모를 상하방향으로 반복 왕복운동 시켜 자동으로 양치질을 할 수 있도록 함으로써 세정력을 향상시킬 수 있는 간편한 구조의 전동칫솔용 칫솔모 헤드에 관한 것이다.이를 실현하기 위한 본 발명은, 칫
