Rotary retractable toothbrush

Abstract

The invention discloses a rotary retractable toothbrush. The toothbrush includes a toothbrush handle, a toothbrush head, toothbrush hair, a sealing head, a USB sealing cover, a lithium battery, a contraction key, a stepping motor, a drive rotating shaft, a driven rotating shaft, a sliding groove, a start button and a fastener. The main part of the rotary retractable toothbrush is provided with thetoothbrush handle, the front portion of the toothbrush handle is provided with the toothbrush head, the upper portion of the toothbrush head is provided with toothbrush hair, the tail portion of thetoothbrush handle is provided with the sealing head, the tail portion in the toothbrush handle is provided with a USB connector, the USB connector is electrically connected with the lithium battery, and the lithium battery is electrically connected with a stepping motor. The rotary retractable toothbrush is novel in design and convenient to use, a sliding expansion structure is arranged, the stretching length of the toothbrush is greatly increased, the toothbrush is suitable for people of different ages, the toothbrush head is connected with a toothbrush cylinder, the replacement of the toothbrush head is achieved, the toothbrush embodies the superiority and the requirements of users can be met.

Description

technical field [0001] The invention belongs to the technical field of toothbrushes, in particular to a rotary retractable toothbrush. Background technique [0002] The toothbrush that generally uses in people's life all is that toothbrush head, toothbrush handle and bristle are integral structure shape. Toothbrushes are generally in the shape of a long handle, and the toothbrush head needs to be kept clean. The toothbrush cannot be placed randomly. After use in daily life, the toothbrush is generally placed in a cup, but whether the toothbrush head is placed downward or the toothbrush head is placed upward , all can accumulate dust on toothbrush head or toothbrush handle for a long time, cause certain pollution to people's oral hygiene. And for the prior art, the brush handle is generally a straight handle structure. After the hands are covered with water when brushing teeth, it will slip from the hand because the brush handle is very slippery, causing certain puzzlement t...

AI Technical Summary

Problems solved by technology

Toothbrushes are generally in the shape of a long handle, and the toothbrush head needs to be kept clean. The toothbrush cannot be placed randomly. After use in daily life, the toothbrush is generally placed in a cup, but whether the toothbrush head is placed downward or the toothbrush head is placed upward , will accumulate dust on the toothbrush head or toothbrush handle for a long time, causing certain pollution to people's oral hygiene

Moreover, the brush handle in the prior art is generally a straight handle structure. After the hands are covered with water when brushing teeth, it will slip from the hand because the brush handle is very slippery, causing certain troubles for people.

At the same time, the handles of toothbrushes currently on the market are all fixed structures, and the length cannot be changed according to people's habits. However, each person's use method and the position of the wrist force are different, which causes great inconvenience in actual use.

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