Problem to be solved: to provide a vibratory body mounting device capable of easily inserting and removing.Solution: a vibrating body mounting tool for utilizing an electric toothbrush having a vibrating body in the handle body 1, and an exchange part of the tip end portion of the electric toothbrush has a head 8 having a permanent magnet 6 at its tip end and a constriction Part 23 for forming the head 8, so that the end part of the replacement part can be attached and removed A concave portion 19 is formed in the shape of the replacement parts.The recessed portion 19 is formed in a mounting body body 16 made of urethane sponge rubber, and the back surface 28 of the Kamaboko plate 20 integral with the hairbrush 13 and the upper surface 26 of the mounting body body 16 are adhesively fixed.Diagram【課題】簡単に挿入、抜き取りができる振動体装着具を提供する。【解決手段】持ち手本体1に振動体を持つ電動歯ブラシを利用するための振動体装着具であって、電動歯ブラシの先端部の交換部品は、先端に永久磁石6を持った頭部8と、頭部8を形成するくびれ部23とを有し、交換部品の先端部が着脱可能となるように、交換部品の形状に型抜きした凹部19が形成されている。凹部19はウレタンスポンジゴム製の装着部本体16に形成され、ヘアブラシ13と一体化する蒲鉾状板20の裏面28と、装着部本体16の上面26とが粘着固定されている。【選択図】図4