CN102920520A - 全方位电动牙刷 - Google Patents

全方位电动牙刷 Download PDF

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Publication number
CN102920520A
CN102920520A CN2012105025345A CN201210502534A CN102920520A CN 102920520 A CN102920520 A CN 102920520A CN 2012105025345 A CN2012105025345 A CN 2012105025345A CN 201210502534 A CN201210502534 A CN 201210502534A CN 102920520 A CN102920520 A CN 102920520A
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Prior art keywords
toothbrush
bristle
brush
shaft
termination
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CN102920520B (zh
Inventor
许小平
沈市伟
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HANGZHOU NEWLY-TECH CO., LTD.
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Hangzhou Boda Design and Consulting Co Ltd
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Priority to CN201210502534.5A priority Critical patent/CN102920520B/zh
Publication of CN102920520A publication Critical patent/CN102920520A/zh
Priority to PCT/CN2013/087981 priority patent/WO2014082579A1/zh
Priority to US14/424,888 priority patent/US9937027B2/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/24Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
    • A61C17/26Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B9/00Arrangements of the bristles in the brush body
    • A46B9/02Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04Arranged like in or for toothbrushes
    • A46B9/045Arranged like in or for toothbrushes specially adapted for cleaning a plurality of tooth surfaces simultaneously
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/222Brush body details, e.g. the shape thereof or connection to handle

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Brushes (AREA)

Abstract

本发明公开了一种全方位电动牙刷,包括刷柄,刷杆,和刷头,刷头由左、右两个相向固设于刷轴上的旋转毛刷构成,刷轴的右端设置于刷杆上端的轴孔内并由右旋转毛刷和该刷轴右端的轴帽轴向定位于轴孔上,设在刷柄内的动力源通过刷杆内的传动轴与右旋转毛刷右侧的轮齿传动连接,左、右旋转毛刷的刷毛均由内、外两圈刷毛构成,左外圈刷毛端头与右外圈刷毛端头之间具有小于等于牙齿厚度的间距a,左内圈刷毛端头与右内圈刷毛端头交错重合或具有小于间隙a的间隙b,左、右内圈刷毛与刷轴轴线平行或构成较小夹角m,左、右外圈刷毛与刷轴轴线构成较大夹角n。本发明提供了一种刷头结构简单、体积小、刷牙时在嘴里移动方便的全方位电动牙刷。

Description

全方位电动牙刷
技术领域
本发明涉及牙刷,尤其是一种全方位电动牙刷。
背景技术
在目前,牙刷已成为人们必备的日常用品。牙刷的品种很多,尤其是电动牙刷,给人们刷牙带来了方便。然而,由于现有的电动牙刷存在较多缺陷,使得电动牙刷并没有被人们普遍接受。
美国专利US3732589公开了一种电动牙刷,该专利的刷头主要由左、右两个相向设置的旋转毛刷构成,两旋转毛刷之间由一圆管连为一体,所述圆管的外壁也设有刷毛,圆管的管孔内穿设有刷轴,所述刷轴的一端固定于刷杆的端头。这种结构的电动牙刷,可以同时洗刷上下牙齿及牙齿的刃部,进一步提高了刷牙的效率,但该专利仍然存在如下缺陷:由于结构的限制,刷头的体积较大,不仅浪费材料,而且放在嘴里很不舒服且移动不便,影响刷牙效果。
发明内容
本发明的目的在于:提供一种刷头结构简单、体积小、刷牙时在嘴里移动方便的全方位电动牙刷。
为实现上述目的,本发明可采取下述技术方案:
本发明一种全方位电动牙刷,包括刷柄,刷杆,和刷头,所述刷头由左、右两个相向固设于刷轴上的旋转毛刷构成,所述刷轴的右端可转动设置于刷杆上端的轴孔内并由右旋转毛刷和该刷轴右端的轴帽轴向定位于所述轴孔上,设在刷柄内的动力源通过刷杆内的传动轴与右旋转毛刷右侧的轮齿传动连接,左、右旋转毛刷的刷毛均由内、外两圈刷毛构成,左外圈刷毛端头与右外圈刷毛端头之间具有小于等于牙齿厚度的适当间距a,左内圈刷毛端头与右内圈刷毛端头交错重合或具有小于间隙a的间隙b,左、右内圈刷毛与刷轴轴线平行或构成较小夹角m,左、右外圈刷毛与刷轴轴线构成较大夹角n。
所述间距a为0.5—5毫米,所述间隙b为0—3毫米,所述夹角m为0—15度,所述夹角n为15—70度。
所述夹角m为6度,所述夹角n为35度,所述间距a为3毫米,所述间隙b为0毫米。 
所述左内圈刷毛端头与右内圈刷毛端头沿轴线交错重合的重合长度为1毫米。
所述动力源由减速电机和电池构成,在所述减速电机与传动轴之间设有连接头。
与现有技术相比本发明的有益效果是:由于采用上述技术方案,所述刷头由左、右两个相向固设于刷轴上的旋转毛刷构成,这种结构,刷轴可直接带动左、右旋转毛刷转动,结构简单;所述刷轴的右端可转动设置于刷杆上端的轴孔内并由右旋转毛刷和该刷轴右端的轴帽轴向定位于所述轴孔上,这种结构,简化了刷杆上端的传动结构,缩小了刷杆上端的尺寸;左、右旋转毛刷的刷毛均由内、外两圈刷毛构成,左、右内圈刷毛与刷轴轴线平行或构成较小夹角m(0—15度),左内圈刷毛端头与右内圈刷毛端头交错重合或具有小于间隙a的间隙b(0—3毫米),这种结构,左、右内圈刷毛的毛杆可以洗刷上下牙齿的齿刃,在离心力作用下,左、右内圈刷毛的端头上翘,端头也能刷到上下牙齿的齿刃,与现有技术美国专利US3732589相比,省去了圆管,大大缩小了径向尺寸,不仅节约了材料,而且放在嘴里没有不舒服感且移动方便,刷牙效果好;左、右外圈刷毛与刷轴轴线构成较大夹角n(15—70度),左外圈刷毛端头与右外圈刷毛端头之间具有小于等于牙齿厚度的适当间距a(0.5—5毫米),这种结构,通过左、右外圈刷毛的旋转,可以自上而下、自下而上、自左至右的洗刷到牙齿的内侧和外侧,与现有技术相比,外圈刷毛仅需一圈就够了,节省了刷毛,简化了结构,减轻了重量。
附图说明
图1是本发明的结构示意图;
图2是图1的立体结构拆分示意图;
图3是本发明刷牙的使用状态示意图;
图4是图1的旋转毛刷的标注示意图。
具体实施方式
如图1至4所示,本发明一种全方位电动牙刷,包括刷柄1,刷杆2,和刷头,所述刷头由左、右两个相向固设于刷轴4上的旋转毛刷3、3’构成,所述刷轴4的右端可转动设置于刷杆2上端的轴孔内并由右旋转毛刷3’和该刷轴4右端的轴帽轴向定位于所述轴孔上,设在刷柄1内的由电池9提供电能的减速电机8通过连接头10刷杆2内的传动轴5的下端传动连接,传动轴5的上端通过齿轮11与右旋转毛刷3’右侧的轮齿传动连接,左旋转毛刷3的刷毛由左内圈刷毛6和左外圈刷毛7构成,右旋转毛刷3’的刷毛由右内圈刷毛6’和右外圈刷毛7’构成;
左外圈刷毛7端头与右外圈刷毛7’端头之间具有小于等于牙齿厚度的适当间距a,作为优选,间距a为0.5—5毫米,根据不同人群可以采用0.5—5毫米中的任何一种尺寸,作为最优,间距a为3毫米;
左内圈刷毛6端头与右内圈刷毛6’端头具有小于间隙a的间隙b,作为优选,间隙b为0—3毫米,根据不同人群可以采用0—3毫米中的任何一种尺寸,作为最优,间隙b为0毫米;作为另一种选择,左内圈刷毛6端头与右内圈刷毛6’端头也可以沿刷轴4轴线交错重合,作为优选,重合长度为1毫米;
左、右内圈刷毛6、6’与刷轴4轴线平行,或构成0—15度的夹角m,作为最优,夹角m为6度;
左、右外圈刷毛7、7’与刷轴4轴线构成15—70度的夹角n,作为最优,夹角n为35度。

Claims (5)

1.一种全方位电动牙刷,包括刷柄(1),刷杆(2),和刷头,其特征在于:所述刷头由左、右两个相向固设于刷轴(4)上的旋转毛刷(3、3’)构成,所述刷轴(4)的右端可转动设置于刷杆(2)上端的轴孔内并由右旋转毛刷(3’)和该刷轴(4)右端的轴帽轴向定位于所述轴孔上,设在刷柄(1)内的动力源通过刷杆(2)内的传动轴(5)与右旋转毛刷(3’)右侧的轮齿传动连接,左、右旋转毛刷(3、3’)的刷毛均由内、外两圈刷毛(6、6’,7、7’)构成,左外圈刷毛(7)端头与右外圈刷毛(7’)端头之间具有小于等于牙齿厚度的适当间距a,左内圈刷毛(6)端头与右内圈刷毛(6’)端头交错重合或具有小于间隙a的间隙b,左、右内圈刷毛(6、6’)与刷轴(4)轴线平行或构成较小夹角m,左、右外圈刷毛(7、7’)与刷轴(4)轴线构成较大夹角n。
2.根据权利要求1所述的全方位电动牙刷,其特征在于:所述间距a为0.5—5毫米,所述间隙b为0—3毫米,所述夹角m为0—15度,所述夹角n为15—70度。
3.根据权利要求2所述的全方位电动牙刷,其特征在于:所述夹角m为6度,所述夹角n为35度,所述间距a为3毫米,所述间隙b为0毫米。
4. 根据权利要求1所述的全方位电动牙刷,其特征在于:所述左内圈刷毛(6)端头与右内圈刷毛(6’)端头沿轴线交错重合的重合长度为1毫米。
5.根据权利要求1至4所述的任一种全方位电动牙刷,其特征在于:所述动力源由减速电机(8)和电池(9)构成,在所述减速电机(8)与传动轴(5)之间设有连接头(10)。
CN201210502534.5A 2012-11-30 2012-11-30 全方位电动牙刷 Active CN102920520B (zh)

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CN201210502534.5A CN102920520B (zh) 2012-11-30 2012-11-30 全方位电动牙刷
PCT/CN2013/087981 WO2014082579A1 (zh) 2012-11-30 2013-11-27 电动牙刷
US14/424,888 US9937027B2 (en) 2012-11-30 2013-11-27 Electric toothbrush

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WO2014082579A1 (zh) * 2012-11-30 2014-06-05 杭州纽乐科技有限公司 电动牙刷
WO2019113908A1 (zh) * 2017-12-15 2019-06-20 深圳市鼎齐利科技有限公司 一种可全方位清洁牙齿的电动牙刷
CN109938864A (zh) * 2017-12-21 2019-06-28 罗章平 全齿面电动牙刷

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FR3047892A1 (fr) * 2017-06-08 2017-08-25 Yann Castaldo Tete de brossage pour brosse a dents electrique, et brosse a dents electrique associee
USD972302S1 (en) 2020-03-13 2022-12-13 Ranir, Llc Toothbrush drive unit

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CN203059956U (zh) * 2012-11-30 2013-07-17 杭州博达设计咨询有限公司 全方位电动牙刷

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014082579A1 (zh) * 2012-11-30 2014-06-05 杭州纽乐科技有限公司 电动牙刷
US9937027B2 (en) 2012-11-30 2018-04-10 Hangzhou Newly Technology Co., Ltd. Electric toothbrush
WO2019113908A1 (zh) * 2017-12-15 2019-06-20 深圳市鼎齐利科技有限公司 一种可全方位清洁牙齿的电动牙刷
CN109938864A (zh) * 2017-12-21 2019-06-28 罗章平 全齿面电动牙刷

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CN102920520B (zh) 2015-05-13
WO2014082579A1 (zh) 2014-06-05
US9937027B2 (en) 2018-04-10
US20150223919A1 (en) 2015-08-13

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