REPLACEMENT TYPE TOOTHBRUSH

To provide a replacement type toothbrush in which a hand is unlikely to slip in a long axis direction when replacing a replaceable brush, a shaft part and a shaft insertion part are unlikely to stand out when fitting the replaceable brush, and which is hygienic.SOLUTION: In a replacement type toothbrush 1 provided with a brush body part 2 and a replaceable brush 3 freely removably fitted to an end side of the brush body part 2, the brush body part 2 is provided with a shaft part 5 extending from the end of a handle part 4 in a long axis direction, a groove-shaped shaft insertion part 16 is formed in a fitting part 6 of the replaceable brush 3, the replacement brush 3 is fitted to the brush body part 2 by the shaft part 5 being inserted from an opening on an outer peripheral surface 6a side of the fitting part 6 into a shaft insertion part 16, and at least a part of the shaft part 5 in the shaft insertion part 16 seen from the opening on the outer peripheral surface 6a side of the fitting part 6 is shielded by a shield part 9 in the state that the replaceable brush 3 is fitted to the brush body part 2.SELECTED DRAWING: Figure 5 【課題】替えブラシの交換時に手が長軸方向に滑りにくく、替えブラシの装着時に軸部や軸挿入部が目立ちにくく、衛生性に優れた交換式歯ブラシを提供することを目的とする。【解決手段】ブラシ本体部２と、ブラシ本体部２の先端側に着脱自在に装着される替えブラシ３とを備える交換式歯ブラシ１において、ブラシ本体部２はハンドル部４の先端から長軸方向に延在する軸部５を備え、替えブラシ３の装着部６には溝状の軸挿入部１６が形成され、軸部５が装着部６の外周面６ａ側の開口から軸挿入部１６内に挿入されることにより、替えブラシ３がブラシ本体部２に装着され、替えブラシ３がブラシ本体部２に装着された状態で、装着部６の外周面６ａ側の開口から見て軸挿入部１６内の軸部５の少なくとも一部が遮蔽部９で遮蔽されている。【選択図】図５