VIBRATING TOOTHBRUSH HAVING A SCREW-COMBINED STRUCTURE

摘要

A toothbrush in the present invention is characterized by comprising a lower cap including a storage space inside, and including a first female screw part including a screw thread on the internal diameter; a toothbrush head part including an insertion groove and a second female screw part including a screw thread on the internal diameter of the insertion groove; and a connection member including a connection member body, and a first male screw part and a second male screw part protruded from both ends of the connection member body of the longitudinal direction and having screw thread formed on the outer circumferential surface respectively, wherein each of the first female screw part and the first male screw, and the second female screw part and the second male screw part is combined by screw-combination method. Therefore, the screw threads can support the first female screw part and the second female screw part not to be separated in case of a force being applied in the direction of separating the lower cap or the toothbrush head part and the connection member.