This invention relates to a toothbrush structure, which includes a front toothbrush handle, an extension portion, a brush head and a pressure bar the rear end of the front toothbrush handle has a connecting portion, the connecting portion can be connected to the rear toothbrush handle that has corresponding connecting portion on the front portion. The extension portion is equipped on the front brush handle and extends backwardly the brush head is equipped on the front end of the front brush handle, where the brush head and front end of the front brush handle form a joint device for mutual connection. The front side end of press bar is connected with rear end of the of the brush head in external add-on manner, and its rear end is connected with extension portion. As such, when the user presses on the press bar, the brush bar will push the brush head forwardly making the brush head be bent downwardly.本發明有關於一種牙刷構造,其包括:一前牙刷柄、一延伸部、一刷頭及一壓桿;該前牙刷柄之後端設有一連接部,該連接部可連接於前端具有對應連接部之後牙刷柄;該延伸部設於前牙刷柄並向後延伸出;該刷頭設於前牙刷柄之前端,該刷頭與前牙刷柄之前端間形成有關節裝置相互連結;該壓桿以外設方式其前側端與刷頭之後部連結,其後側端與延伸部連結;藉此,當使用者按壓該壓桿時,該壓桿將向前推擠刷頭,使刷頭向下彎折。1...前牙刷柄2...後牙刷柄3...刷頭4...壓桿5...延伸部6...音波裝置7...刷毛8...插槽9...插梢11...上開口12...下開口
