CN101068505B - 电动牙刷 - Google Patents

电动牙刷 Download PDF

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Publication number
CN101068505B
CN101068505B CN2005800413338A CN200580041333A CN101068505B CN 101068505 B CN101068505 B CN 101068505B CN 2005800413338 A CN2005800413338 A CN 2005800413338A CN 200580041333 A CN200580041333 A CN 200580041333A CN 101068505 B CN101068505 B CN 101068505B
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carrier
electric toothbrush
motion
head
longitudinal axis
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CN101068505A (zh
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约翰·杰弗里·陈
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Procter and Gamble Ltd
Procter and Gamble Co
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Procter and Gamble Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3472—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body with combined movements of the brush body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/349—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with multiple brush bodies

Abstract

本发明提供了一种电动牙刷。该电动牙刷具有柄部、头部(具有载体和纵向轴线)以及设置在柄部和头部之间的颈杆。马达设置在柄部内部。转轴可操作地连接到马达上。所述转轴可操作地连接到载体上以使载体以第一运动移动。在受到使用者的力时，所述载体能够以第二运动移动。

Description

电动牙刷
技术领域
本发明涉及电动牙刷，更具体地讲涉及具有以多种运动移动的载体的电动牙刷。
背景技术
利用移动载体的电动牙刷在本领域是已知的。然而，人们一直期望提供利用具有机械有效的多种运动的载体和/或可提供更小更紧凑布置的电动牙刷。
发明内容
本发明提供了一种电动牙刷。该电动牙刷可具有柄部、头部(具有载体和纵向轴线)以及设置在柄部和头部之间的颈杆。可将马达设置在柄部内部。转轴可操作地连接到马达上。所述转轴可操作地连接到载体上，以便使载体以第一运动移动。在受到使用者的力时，所述载体可以第二运动移动。
附图说明
虽然本说明书以针对本发明的权利要求书作出结论，但据信由下列描述并结合附图可更好地理解本发明，其中：
图1是根据本发明制成的电动牙刷的分解透视图；
图2是图1的电动牙刷的转轴、轴衬和从动齿轮的顶部平面图；
图3是图1的牙刷头部的侧正视图；
图4是图3的头部的顶部平面图；
图5是适于供图1的牙刷使用的头部的另一个实施方案的顶部平面图；
图6是图1中的牙刷的第一载体的侧正视图；
图7是图6中的第一载体的另一侧正视图；
图8是图1的可供选择的实施方案的分解透视图，该附图图示说明具有柔性壁的头部；
图9是图8的头部的顶视图；
图10是图1的可供选择的实施方案的分解透视图，该附图图示说明具有弹簧夹的头部；
图11是图10的头部的顶视图；
图12是图10的头部的顶视图；
图13是包括可连接/可分离牙线板的图10的头部的分解透视图；和
图14是包括可连接/可分离刷毛板的图10的头部的分解透视图。
具体实施方式
下面将说明本发明的各种实施方案，它们的实施例图示说明于附图中。其中在所有视图中，同样的数字表示相同的元件。以下参考图1描述电动牙刷20。电动牙刷20可包括柄部22、颈杆24和头部26。颈杆24可与柄部22整体成形或可作为一个单独的组件提供。柄部22可以具有可螺旋地与柄部22一部分接合的端帽28。电动马达30可与电压源一起设置在柄部22内部。电压源可以一个或多个电池32的形式提供，电池32可安放在设置在柄部22内部的电池槽34中。马达30可以具有一个可旋转的输出转轴和一个连接到可旋转的输出转轴上的输出齿轮38。输出齿轮38可与从动齿轮40啮合，从动齿轮40又可操作地连接到转轴42上。转轴42具有一个带有细长狭槽45的联接器44，细长狭槽45可与从动齿轮40的偏心柱37接合。狭槽45可沿着转轴42的纵向轴线47定位。转轴可包括由柄部22或颈杆24套着的轴衬46。轴衬46可由使转轴42绕轴衬46旋转的任何挠性材料制成。适用的材料可包括弹性体聚合物，例如天然或合成橡胶。轴衬46可作为转轴42移动围绕的枢轴。轴衬46的位置可沿着转轴42的长度来改变，以便在与头部26相邻的转轴42末端处获得所需的左右摇摆运动量。在从动齿轮40旋转时，转轴42可按左右摇摆运动的方向绕轴衬46转动 (参见图2)。转轴42的左右摇摆运动可以基本或完全发生在单一平面上。
此外，如图1所示，头部26可由顶部外壳70(见图8)、中部外壳72和底部外壳74组成。头部26可具有第一自由端48和与颈杆24接合的第二末端50。头部可包括一个或多个载体。电动牙刷20可包括一个或多个载体。第一载体52可邻近第一末端48设置，而第二载体54可邻近第二末端50设置。如图3所示，第一载体可围绕基本与头部26的纵向轴线58垂直的轴线56摆动。如图4所示，第二载体54可按垂直于头部26的纵向轴线58的左右摇摆方向或运动往复运动。尽管图4中所示的左右摇摆运动可大致垂直于头部26的纵向轴线58，但可以设想，可提供第二载体54的其它左右摇摆运动。例如，第二载体54可以绕着销轴或铰链53摇摆或转动。如图5所示，可在第二载体54上的其它位置例如在任一末端处或在中间提供销轴或铰链53，以提供不同类型的左右摇摆运动。
如图6和7所示，转轴42的末端66可操作地与第一载体52的狭槽68接合，以按围绕轴线56的摆动运动来移动第一载体52。如图8所示，转轴42可穿过第二载体54的凸轮从动件60。凸轮从动件60可接纳转轴42的一部分。可将凸轮从动件60安放在头部26的狭槽64内，以便使狭槽64大致以其左右摇摆运动方向引导第二载体54。
狭槽64的一部分可在侧面面对柔性壁76。柔性壁76可横向于头部26的纵向轴线58定向。在第二载体54受到使用者的力时，柔性壁76可允许第二载体54沿着头部26的纵向轴线58移动运动。也就是说，在使用者接通电动牙刷20时，第二载体54可只是左右摇摆移动。然而，在使用者刷牙时，她很可能以超出左右摇摆运动的多个方向和多种运动引入操作第二载体54的力。这些力很可能包括大致沿着头部26的纵向轴线58移动第二载体54的力。柔性壁76将允许第二载体54在一定程度上沿着头部26的纵向轴线58移动(见图9)。由使用者操作的第二载体54的运动可以是椭圆形运动78、圆形运动等，因此与标准刷牙运动一致。在未将第二载体54限制于第一运动时(例如，相对于头部的纵向轴线左右摇摆)，牙刷的电池能量一般得到保存，因为在刷牙或 用牙线清洁牙齿时，使用者的操作力或偏置力转变成第二运动(例如，沿着头部的纵向轴线或与纵向轴线在同一条线上)，而不是对抗第一运动工作。简单地讲，先前对抗第一运动工作的使用者的力现在被用来产生第二运动、第三运动、第四运动等。
直到使用者的力使第二载体54靠着柔性壁76移动时，柔性壁76才会偏置第二载体54。这可以通过使柔性壁76与第二载体54紧邻定位，以便使第二载体没有在柔性壁之间浮动的空间来完成。此外，可在第二载体54和柔性壁76之间留下所需量的空间。另外，可理想地用单一柔性壁76来提供更受限制的路径，以便第二载体54在受到使用者的力时在其上面移动。
也可以设想由柔性壁76完全包围凸轮从动件60，以便即使是第二载体54的第一运动也可由使用者的力来补充，从而使第二载体54的左右摇摆运动可由使用者的力来拓宽。
使凸轮从动件60的至少一部分为柔性比使头部26的外壳(例如，70、72和74)的结构的一部分为柔性更能实现类似的动力学特征。凸轮从动件60可包括包含弹性体聚合物的适用材料，例如天然橡胶或合成橡胶。
如图10所示，电动牙刷20可仅仅包括沿着头部26的纵向轴线58往复运动的单一载体80。头部26可包括主外壳82，所述主外壳82具有沿着其纵向轴线58方向的细长狭槽64。狭槽64可具有凹槽84，凹槽84接纳颈杆24的接纳端88的突出部86。主外壳82也可以具有安放在颈杆24的开口92内的球接头90。载体80可具有固定或可操作连接到弹簧夹94的臂90。
载体80可通过转轴42’沿着细长的狭槽64往复运动，并因此沿着头部26的纵向轴线58或与纵向轴线58在一条线上往复运动。在载体80沿着细长的狭槽64移动运动时，弹簧夹94可沿着颈杆24的左侧壁96和右侧壁98行进，使得弹簧夹94的左腿100和右腿102偏置在左侧壁96和右侧壁98上。可供选择地，弹簧夹94可浮在左右侧壁96和98之间。
弹簧夹6494可允许载体80在受到使用者的力时按横向于头部26的纵向轴线58运动来移动。也就是说，在使用者接通电动牙刷20时，载体80可只是沿着头部26的纵向轴线58移动。然而，在使用者刷牙时，她可能大致横向于头部26的纵向轴线58操纵载体80运动，弹簧夹6494可在一定程度上允许载体80横向于头部26的纵向轴线58移动。因此，当载体80正沿着头部26的纵向轴线58移动时，也可使其横向于头部26的纵向轴线58移动。在载体80受到使用者的力时，它可绕着臂90转动。因此，如图11和12所示，在载体80的前部104按一个方向横向于头部26的纵向轴线58移动时，载体80的后部106按相反的方向横向于头部26的纵向轴线58移动。载体80可以旋转，使得载体80的纵向轴线116离开主外壳82的纵向轴线114约5至约50度，约15至约30度，约20至约25度(θ1)，而在载体80不枢转时，其纵向轴线116大致与主外壳82的纵向轴线114在一条线上，因此大致与转轴42’的纵向轴线47在一条线上。
当没有使用者的力存在时，弹簧夹94可仅仅略微偏置载体80。一旦载体80遇到使用者的力，偏置就可以更大。可供选择地，在使用者的力不存在时，弹簧夹94可浮在颈杆24的侧壁96和侧壁98之间，使得弹簧夹94不会偏置载体80，直到使用者的力存在，才会迫使弹簧夹94贴靠颈杆24的侧壁96或侧壁98，从而偏置载体80。
如图13和14所示，载体80可以接纳可连接/可分离的刷毛板108或可连接/可分离的牙线板110。板108和110可通过钩环、扣合、摩擦件、螺纹(在圆形板上)等来连接。此外，牙线112可相对于板108的顶部表面(θ2)或载体80的顶部表面(θ3)或牙线板108的纵向轴线118(θ4)以约5至约50度，约15至约30度，或者约20至约25度的角来定向。
刷毛120可与刷毛板110的顶部表面122形成角度。一根或多根刷毛120或刷毛的毛簇可由天然或合成的弹性体材料制成。刷毛板110也可以包括一个或多个弹性体指状物124。
在发明详述中所有引用文献的相关部分均引入本文以供参考。任何文献的引用并不可理解为是对其作为本发明的现有技术的认可。当本书面文 献中术语的任何含义或定义与引入本文以供参考的文献中术语的任何含义或定义发生冲突时，应以赋予本书面文献中术语的含义或定义为准。
尽管已用具体实施方案来说明和描述了本发明，但对于本领域的技术人员显而易见的是，在不背离本发明的精神和保护范围的情况下可作出许多其它的变化和修改。因此，有意识地在附加的权利要求书中包括属于本发明范围内的所有这些变化和修改。

Claims (18)

1.一种电动牙刷，所述电动牙刷包括：
柄部；
头部，所述头部包括载体和纵向轴线；
颈杆，所述颈杆设置在所述柄部和所述头部之间；
马达，所述马达设置在所述柄部内部；和
可操作地连接到所述马达上的转轴，其中所述转轴可操作地连接到所述载体上，以便以第一运动移动所述载体，并且其中所述载体能够在其受到使用者的力时以第二运动移动，
其中所述头部包括弹簧，并且其中所述载体与所述弹簧可操作地连接，其中所述载体包括柔性凸轮，所述柔性凸轮允许由使用者的力补充所述第一或所述第二运动。
2.如权利要求1所述的电动牙刷，其中所述弹簧在所述载体以所述第一运动移动时偏置所述载体，并且在所述载体以所述第二运动移动时偏置所述载体。
3.如权利要求1所述的电动牙刷，其中所述弹簧对所述载体的偏置在所述第二运动期间大于所述第一运动期间。
4.如权利要求3所述的电动牙刷，其中所述弹簧为弹簧夹。
5.如权利要求1所述的电动牙刷，其中所述弹簧在所述载体以所述第一运动移动时基本上不偏置所述载体，并且其中所述弹簧在所述载体以所述第二运动移动时偏置所述载体。
6.如权利要求1所述的电动牙刷，其中所述弹簧为一个或多个柔性壁。
7.如权利要求1所述的电动牙刷，其中所述第一运动大致沿着所述头部的所述纵向轴线。
8.如权利要求5所述的电动牙刷，其中所述第一运动大致横向于所述头部的所述纵向轴线。
9.如权利要求7所述的电动牙刷，其中所述载体支撑可连接/可分离的刷毛板或可连接/可分离的牙线板。
10.如权利要求9所述的电动牙刷，其中所述牙线板包括牙线，并且其中所述牙线相对于所述载体的纵向轴线以约20至约25度定向。
11.如权利要求8所述的电动牙刷，其中所述载体支撑可连接/可分离的刷毛板或可连接/可分离的牙线板。
12.如权利要求11所述的电动牙刷，其中所述刷毛板包括与所述刷毛板的顶部表面形成锐角的至少一个刷毛簇。
13.如权利要求12所述的电动牙刷，其中所述头部包括第二载体，所述第二载体围绕横向于所述头部的所述纵向轴线的轴线摆动。
14.如权利要求13所述的电动牙刷，其中所述第二载体包括弹性体指状物。
15.如权利要求10所述的电动牙刷，其中所述头部包括第二载体，所述第二载体围绕横向于所述头部的所述纵向轴线的轴线摆动。
16.如权利要求7所述的电动牙刷，其中所述第二运动大致横向于所述头部的所述纵向轴线。
17.如权利要求8所述的电动牙刷，其中所述第二运动大致沿着所述头部的所述纵向轴线。
18.如权利要求6所述的电动牙刷，其中所述柔性壁被布置成允许由使用者的力补充所述第一运动。
CN2005800413338A 2004-12-08 2005-12-08 电动牙刷 Expired - Fee Related CN101068505B (zh)

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MX2007006709A (es) 2007-07-25
AU2005313951A1 (en) 2006-06-15
CN101068505A (zh) 2007-11-07
CA2589607C (en) 2011-05-31
US20060117505A1 (en) 2006-06-08
US8096011B2 (en) 2012-01-17
US7861348B2 (en) 2011-01-04
US20110083287A1 (en) 2011-04-14
JP2008522759A (ja) 2008-07-03
CA2589607A1 (en) 2006-06-15
WO2006063226A1 (en) 2006-06-15
EP1838236A1 (en) 2007-10-03
RU2007120357A (ru) 2009-01-20

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