Omnibearing electric toothbrush

Abstract

The invention discloses an omnibearing electric toothbrush which comprises a toothbrush handle, a toothbrush rod and a toothbrush head, wherein the toothbrush head consists of a left-rotating hairbrush and a right-rotating hairbrush, which are oppositely and fixedly arranged on a toothbrush shaft; the right end of the toothbrush shaft is arranged in a shaft hole arranged at the upper end of the toothbrush rod and is axially positioned on the shaft hole through the right-rotating hairbrush and a shaft cap arranged at the right end of the toothbrush shaft; a power source in the toothbrush handle is in driving connection with wheel teeth arranged at the right side of the right-rotating hairbrush through a driving shaft arranged in the toothbrush rod; the bristles of the left-rotating hairbrush and the right-rotating hairbrush consist of an inner ring of bristles and an outer ring of bristles; the gap a which is less than or equal to the thickness of the teeth is formed between the end head of a left outer-ring bristle and the end head of a right outer-ring bristle; the end head of the left inner-ring bristle and the end head of the right inner-ring bristle are overlapped with each other in a staggered way or a gap b which is less than gap a is formed between the end head of the left inner-ring bristle and the end head of the right inner-ring bristle; and the left inner-ring bristle, the right inner-ring bristle and the toothbrush shaft are in parallel with one another, or a smaller inclined angle m is formed between the left inner-ring bristle and the toothbrush shaft as well as the right inner-ring bristle and the toothbrush shaft, and a larger inclined angle n is formed between the left outer-ring bristle and the toothbrush shaft as well as the right outer-ring bristle and the toothbrush shaft. The invention provides the omnibearing electric toothbrush, which is simple in structure, small in volume, and convenient to move in mouth in the process of tooth brushing.

Description

technical field [0001] The invention relates to a toothbrush, in particular to an all-round electric toothbrush. Background technique [0002] At present, toothbrush has become the necessary daily necessities of people. There are many kinds of toothbrushes, especially electric toothbrushes, which bring convenience to people's teeth brushing. Yet, because existing electric toothbrush has many defects, electric toothbrush is not generally accepted by people. [0003] U.S. Patent No. 3,732,589 discloses an electric toothbrush. The brush head of this patent is mainly composed of left and right rotating brushes arranged oppositely. The two rotating brushes are connected as a whole by a circular tube. Brush bristles are also provided, and a brush shaft is pierced in the tube hole of the round tube, and one end of the brush shaft is fixed to the end of the brush rod. The electric toothbrush of this structure can wash the upper and lower teeth and the blades of the teeth at the s...

AI Technical Summary

Problems solved by technology

The electric toothbrush of this structure can wash the upper and lower teeth and the blades of the teeth at the same time, which further improves the efficiency of brushing teeth, but this patent still has the following defects: due to the limitation of the structure, the volume of the brush head is relatively large, which not only wastes materials, but also It is uncomfortable to put in the mouth and it is inconvenient to move, which affects the brushing effect

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