Toothbrush

A toothbrush and brush handle technology, applied in the field of oral cleaning, can solve problems such as difficult to determine, large brushing force, etc.

Active Publication Date: 2014-01-08
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For ordinary toothbrush users, it is difficult to determine whether they are brushing their teeth with the correct force. Although they do not feel discomfort when brushing their teeth, they may use too much brushing force

Method used

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Embodiment Construction

[0039] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0040] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as...

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PUM

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Abstract

The invention relates to a toothbrush which comprises a brush head, a brush handle, a drive mechanism, a shell body, a follower lever and an abutting column. The drive mechanism comprises a body, a rotating wheel and a pawl. The body comprises a connecting plate, a first fixing plate and a second fixing plate, wherein the connecting plate is connected with the brush head, and the first fixing plate and the second fixing plate are arranged on the two opposite sides of the connecting plate respectively. The periphery of the rotating wheel is provided with a circular arc groove. The rotating wheel is located between the first fixing plate and the second fixing plate, is fixed on the first fixing plate and can rotate in the body. The pawl is fixed on the surface of the second fixing plate and used for driving the rotating wheel to rotate. The shell body comprises a bottom plate and a flange part which is connected with the brush handle, wherein the second fixing plate is fixed on the bottom plate, and the body can rotate in the shell body. The follower lever is contained in a brush handle cavity in one end of the brush handle, and the end, away from the brush head, of the follower lever is elastically connected with the bottom of the brush handle cavity. The abutting column is arranged at the end, close to the brush head, of the follower lever and penetrates through the flange part to be connected with the bottom of the circular arc groove in an abutting mode. The toothbrush can limit the maximum tooth brushing strength.

Description

technical field [0001] The invention relates to the technical field of oral cavity cleaning, in particular to a toothbrush. Background technique [0002] Brushing teeth is the most basic method to remove dental plaque and prevent gingivitis and periodontitis in daily life. The purpose of brushing teeth is to remove the plaque and soft dirt deposited on the surface of the teeth in time to avoid adverse stimulation to the gums and the formation of calculus due to calcification over time. [0003] Studies have shown that the scientific brushing time should be 2 minutes and 1.5 cattle. With the gradual increase of brushing time and strength, tartar gradually decreases. When people brush their teeth for more than 2 minutes and use more than 1.5 N of force, more tartar is not removed, and the teeth will be damaged to a certain extent if they are subjected to excessive force. For ordinary toothbrush users, it is difficult to determine whether they are brushing their teeth with t...

Claims

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Application Information

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IPC IPC(8): A46B13/08A46B7/06A46B5/00
Inventor 夏泽洋熊璟支翔宇胡颖张建伟
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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