Electric sonic toothbrush

The utility model relates to an electric sonic toothbrush, including toothbrush head, toothbrush main part and main part bottom, toothbrush main part below has the main part support, has the coil former between main part support and bottom, this coil former inside buckleing the main part support behind the good coil, main part support lower limb both sides have the buckle and inside this buckle card goes into the buckle position of toothbrush main part, have the O waterproof sealing circle that appears between bottom and main part support, the toothbrush main part have semi -circular buckle and will this semi -circle buckle card go into to the toothbrush head buckle the position on, L shape sealed rubber ring is set up with the toothbrush main part department of meeting to toothbrush head lower limb. The utility model discloses beneficial effect does: formed the waterproof and seal structure of toothbrush bottom, can prevent effectively also that the bottom from droing, form tooth brushhead portion's waterpro