Vertical-brushing dual-head electric toothbrush
An electric toothbrush and vertical brush technology, applied in dentistry, brushes, brush bodies, etc., can solve the problems of cost, long time, not conforming to the vertical brushing method, etc., and achieve the effect of good protection and high brushing efficiency.
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[0019] The vertical brush type double-headed electric toothbrush of the present invention comprises: a toothbrush body, an electric device 2 placed in the inner cavity of the toothbrush body to provide up and down push-pull power, a toothbrush handle 1 installed on the top of the toothbrush body, and a toothbrush head arranged in the front region of the toothbrush handle 1 ,in:
[0020] Such as figure 1 As shown, the inner cavity of the toothbrush handle 1 is installed with a connecting rod assembly 4, which includes a power joint 41, a steel shaft 42, a pull rod 43 and a pull piece 44 hinged to the end of the pull rod 43 connected sequentially from back to front. The power joint 41 at the rear end is connected with the output shaft 21 of the electric device 2 (such as figure 2 ); the pull tab 44 at the front end has a shaft hole 441, and the shaft hole 441 is hinged on the pin shaft 52 on one side of the transmission wheel 5. The power joint 41, the pull rod 43 and the ste...
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