CN100531683C - 复合运动牙刷 - Google Patents

复合运动牙刷 Download PDF

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CN100531683C
CN100531683C CNB028221109A CN02822110A CN100531683C CN 100531683 C CN100531683 C CN 100531683C CN B028221109 A CNB028221109 A CN B028221109A CN 02822110 A CN02822110 A CN 02822110A CN 100531683 C CN100531683 C CN 100531683C
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brush carrier
toothbrush
cam
pin
brush
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CN1582134A (zh
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L·A·布劳斯坦恩
D·A·高尔
P·W·布朗
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Procter and Gamble Ltd
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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
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/349Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with multiple brush bodies
    • AHUMAN NECESSITIES
    • A46BRUSHWARE
    • A46BBRUSHES
    • A46B13/00Brushes with driven brush bodies or carriers
    • A46B13/02Brushes with driven brush bodies or carriers power-driven carriers
    • 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
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409Power-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
    • A61C17/3472Power-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
    • 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
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409Power-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
    • A61C17/3436Rotation around the axis perpendicular to the plane defined by the bristle holder
    • 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
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409Power-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
    • A61C17/3445Translation along the axis of the toothbrush handle

Abstract

电动牙刷具有配备远程凸轮的旋转轴,远程凸轮与刷毛载体上的狭槽相配合。在牙刷头部上安装用于旋转的刷毛载体。当轴旋转时,其远端形成圆形运动轨迹并传动啮合狭槽使刷毛载体以第一刷动运动方式振动。第二刷毛载体由第一刷毛载体驱动,获得附随的刷动运动。销钉或凸轮从第一刷毛载体延伸,第二刷毛载体由销钉或凸轮驱动并与其啮合。

Description

复合运动牙刷
发明背景
1.发明领域
本发明涉及牙刷技术。
2.相关技术描述
本发明更尤其涉及电动牙刷,其中刷毛被设置为可相对牙刷柄部移动。有许多这种牙刷的实施例,包括1939年美国专利2,215,031公开的旋转驱动牙刷;美国专利4,845,795也描述了类似的旋转驱动配置;美国专利4,156,620说明了如何将旋转马达传动转化为往复线性运动来驱动刷毛顺时针和逆时针旋转;美国专利3,577,579公开了一种牙刷,其中牙刷头部相对于牙刷载体运动以使所有植于牙刷头部里的刷毛一起相对牙刷载体侧向和向后和向前运动;美国专利5,625,916公开了具有单个刷毛载体的牙刷,刷毛载体被驱动以旋转方式绕轴振动;美国专利5,617,603公开了具有通过单独摆杆互相连接的两个刷毛载体的牙刷,其主旨引入本文以供参考。摆杆安装在枢轴销钉上。两个刷毛载体都包括凹槽,其接收摆杆的球形端部。
这些参考内容中公开的驱动机构和牙刷运动从相对简单到相对复杂变化。复杂的公开内容描述了提供复杂刷动运动的牙刷。然而,在许多应用中,该牙刷过于复杂且包括太多的运动部件以致于无法获得实用的刷动方案。所公开的更简单的牙刷仅提供一个刷动运动。在一些应用中,这些刷动运动可提供适当的刷动运动。然而,它们也可能不适合其它刷动情形。例如,它们可能不能充分地清洁牙缝。
因此,需要一种提供能简单生产、具有很少的运动部件、而同时能提供多种清洁和刷动运动以完成牙齿清洁任务的牙刷。
发明概述
新型牙刷的一个实施方案包括位于牙刷第一末端的牙刷柄部和位于牙刷第二末端的牙刷头部。牙刷也包括从牙刷柄部向牙刷头部延伸并具有第一纵向轴心线的旋转轴、与旋转轴的远端、凸轮或齿轮齿相连的采用第一枢轴或铰链安装到牙刷头部上的第一刷毛载体,旋转轴的远端、凸轮或齿轮齿由第一刷毛载体的狭槽接收,用于驱动第一刷毛载体使之产生绕轴振动运动。另外,牙刷也包括可移动地安装于牙刷头部部分的第二刷毛载体,其由第一刷毛载体的刚性安装部分传动啮合。
电动牙刷的另一个实施方案包括:轴,该轴包括位于轴的最远末端的凸轮或齿轮齿、可操作地驱动轴旋转的马达、与凸轮或齿轮齿联接被驱动产生第一运动的第一刷子部分、与第一刷子部分纵向隔开并由第一刷子部分的刚性组件驱动产生第二运动的第二刷子部分。
本发明的一个优点在于分别由第一和第二刷毛载体提供的互补清洁运动。
本发明的另一个优点在于由简便且经济的牙刷提供的互补清洁运动。
对于本领域技术人员来说,通过阅读和理解下文的详细描述,本发明的其它优点将会变得显而易见。
附图概述
本发明可以采用各种组件和组件布置方式、和各种加工和加工配置。附图仅用于图示说明优选实施方案的目的,它们不用于说明尺寸,也不可解释为是对本发明的限制。
图1是现有技术牙刷的剖视底视图。
图2所示为现有技术牙刷部件的横截面侧视图。
图3是图2所示部件的剖视底视图。
图4是图2所示部件对侧的侧视图。
图5、6、7是分别与图2、3、4所示视图一致的、一个不同的现有技术牙刷和不同比例的视图。
图8是增强型牙刷局部剖底视图。
图9是图8所示增强型牙刷的头部部分的第一实施方案的局部剖底视图。
图10是图8所示增强型牙刷的头部部分的第二实施方案的局部剖底视图。
图11是图8所示增强型牙刷的头部部分的第三实施方案的局部剖底视图。
图12是图8所示增强型牙刷的头部部分的第四实施方案中的第二刷毛载体的正视图。
图13是图8所示增强型牙刷的头部部分的第四实施方案的局部侧视图,其取自图8中的A-A向。
图14是图8所示增强型牙刷的头部部分的第五实施方案中的第二刷毛载体的正视图。
图15是图8所示增强型牙刷的头部部分的第五实施方案的局部侧视图,其取自图8中的A-A向。
图16是牙刷的侧视图,其说明第一示例性备选刷毛配置。
图17是取自图8中D-D向的端视图,其说明第二示例性刷毛配置。
发明详述
参见附图,图1所示牙刷包括位于牙刷第一末端的柄部部分10、位于牙刷第二末端的头部部分11、在上述两者之间延伸的颈部9、从牙刷柄部向牙刷头部延伸的旋转轴12、和通常为圆形的刷毛载体13,刷毛载体里面植有多个刷毛簇,其中每束刷毛簇8包括多个刷毛。柄部具有安装马达14和两个电池15、16的隔室,当然可用可充电电源取代电池15和16。配置联轴器17使其夹紧旋转轴12的一端,并允许该轴拉出以用于下文将要描述的清洁或更换。
在图2中可更清楚地看到,牙刷头部11支撑支柱18,支柱18为刷毛载体13的旋转或摆动提供枢轴轴线40。图2中所示刷毛19仅用于图示说明的目的。旋转轴12具有整体成形的最远末端、齿轮齿或凸轮20,其相对于该轴的纵向轴心线21偏置。最远末端、齿轮齿或凸轮20与在刷毛载体13的一侧形成的狭槽22(见图3)相配合。应注意的是,末端20指向第一轴线21与支柱18的枢轴轴线40的交叉点。在一个实施方案中,配置支柱使枢轴轴线40基本垂直于旋转轴的纵向轴心线21。枢轴轴线40也基本平行于旋转轴的纵向轴心线21。枢轴轴线40也基本平行于刷毛19延伸的方向。尽管优选这种配置,但支柱18也可设想为不同的配置。例如,支柱18可以倾斜使枢轴轴线40不垂直于旋转轴的纵向轴线21,而是与其形成锐角,从而提供围绕枢轴轴线40的摆动或转动。当旋转轴12由马达14驱动旋转时,远端、齿轮齿或凸轮20围绕旋转轴12形成圆形运动轨迹并啮合驱动狭槽22使刷毛载体13围绕刷毛载体13的枢轴轴线振动或摆动。这种情形下,远端被成形为远程齿轮齿或凸轮20。如图3所示,狭槽22为封闭式,从刷毛载体外周向内径向延伸,延伸距离小于至刷毛载体中心的距离,并位于相邻的成对刷毛孔之间。因此,刷毛载体13围绕支柱18的中心向前和向后转动、摇摆或旋转。这种运动形成牙刷头部11和刷毛19之间的第一相对运动,并通常有利于对牙齿的有效清洁。狭槽22的宽度优选地通常与末端20的直径相等以获得最小运动空间,在使用中这可使噪音最小化。
优选地,马达14的转速为约6000rpm。在需要的场合,由使用者选择,马达可按其它转速运行或被设置为两级或更多级的转速。图1所示的牙刷的刷毛载体13以30度的角度振动、摆动或旋转。图2中该角度为35度,图5中该角度为15度。当然可以理解,可通过装配不同的旋转轴12来选择旋转角并且同一刷毛载体可用于所有的角度。
如图3所示,每个刷毛载体13可具有多于一个的狭槽22,它们互相相对设置从而更好地平衡,或者,当使用中一个狭槽磨损或刷毛磨损不均匀时可使用不同的狭槽。换言之,刷毛载体13可采用两个或更多个旋转位置安装。优选地,刷毛载体13可简便地从牙刷头部11上移去,例如采用将其弹性夹紧到支柱18上的方法。这种移去可能获得在卫生容器里的更好的清洁和储存,也使旋转轴12在需要时能被容易地抽出和更换。
所述旋转轴12优选被整体成形,即,采用单根细棒并使其成形为图示形状。当然,单独形成或提供远端或凸轮20并将其固定到旋转轴的某部分上,这种安排是可能的。这种单独部件可以是轴心线与旋转轴的轴线21相一致且具有偏心传动杆的刷子。该传动杆取代了远程凸轮20的位置和功能。因而,传动杆和狭槽22然后在旋转轴和刷毛载体13之间形成传动啮合,从而传动杆可以被视作轴的远程凸轮。
在本发明的一些实施方案中,设置刷毛载体13使之在一侧铰式转动,例如相对旋转轴设置,这也是可能的但通常并不很方便。在这种情况下,安装得与铰式枢轴更近的刷毛的运动实际上与在邻近旋转轴的一侧上的刷毛不一致,但是它们仍会显著振动。
也应理解的是,无论是绕枢轴旋转还是安装铰链,刷毛载体13都不需要是圆形的。但是,如上文所述,通常优选圆形刷毛载体13以便在需要时可改变其旋转位置。
虽然上文所述的旋转轴配置是优选的,也可设想在本发明中使用其它的旋转轴配置。例如,美国专利5,732,432所描述的配置可以被替换以适应旋转轴的机械不同轴性和使用过程中产生的机械应变,该专利主旨引入本文以供参考。此外,可按照能够简便地从柄部10上分离的方式提供头部11。这可通过对旋转轴和头部主体部分使用联结配置来实现。这些配置是本领域所知的。例如,头部和柄部部分可包括配合槽、弹簧夹、凸起和/或锁紧片或紧固片和凹槽。旋转轴可被分为两部分,每部分都包括联结元件。例如,使用键槽配置来获得该联结。例如,联结元件可包括分别固定于旋转轴部分的末端的凸凹配合花键,或如美国专利5,617,601所述,该专利主旨引入本文以供参考。此外,狭槽22可能由摇摆板替换,例如美国专利5,764,743所述,其主旨引入本文以供参考。
现在,另外参见图8至图15,增强型电动牙刷810的实施方案包括第一刷毛载体814,其类似于上文所述的刷毛载体13。增强型牙刷810具有头部部分816和主体或柄部部分817。当然,增强型牙刷包括马达819和给马达供电的电池。头部部分816具有纵向轴线818。以圆形来举例说明第一刷毛载体814。但是,其它形状的刷毛载体也可设想并在本发明的范围内。第一刷毛载体814包括至少一个上文所述的狭槽来接收传动轴820的最远末端或凸轮,如图1至图7的参考内容所述。传动轴的最远凸轮(见图3)相对于上文所述的传动轴820的纵向轴心线21(见图3)被弯曲或偏置。简言之,关于轴820与第一刷毛载体814相关的结构和操作,增强型牙刷810类似于图1至图7参考内容中所描述的牙刷。但是,增强型电动牙刷810的实施方案也包括第二刷毛载体,例如第二刷毛载体822。虽然紧贴第一刷毛载体设置第二刷毛载体很理想,但可以设想在第一和第二刷毛载体之间有缝隙存在。另外,可运动的第一和第二刷毛载体之间的间隙可以采用静止或固定的刷毛填充,该刷毛被植入形成牙刷头部部分的固定或静止的第三刷毛载体(未示出)中。在增强型电动牙刷的许多实施方案中,第二刷毛载体是可运动的,其与传动轴单独连接并由传动轴单独驱动,该传动轴例如传动轴820。可运动的第二刷毛载体的运动方向和/或方式明显不同于图1至图7参考内容中所述的旋转或铰式绕轴振动运动,其用于特定实施方案。
例如,参见图9,第二刷毛载体910可移动地安装于牙刷头部816的狭槽912中,并由第一刷毛载体814的运动来驱动产生振动性纵向运动。例如,第一刷毛载体814包括凸轮914。第二刷毛载体包括凸轮从动件916。凸轮914和凸轮从动件916通常按反作用关系设置。另外,依据第一刷毛载体814的位置,凸轮914和凸轮从动件916可以处于啮合关系。凸轮914和凸轮从动件916可分别包括位于第一刷毛载体814和第二刷毛载体910上的成型凸起。凸轮914和凸轮从动件916刚性安装于第一刷毛载体814和第二刷毛载体910中,或位于其内部。也就是说,凸轮914和凸轮从动件916相对于其各自的刷毛载体不能移动。因此,凸轮914和凸轮从动件916不构成额外的运动部件。当增强型牙刷810的马达819使轴820旋转时,轴820的远程凸轮(未示出,但类似于图3中的组件20)驱动第一刷毛载体使其产生如上文图1至图7参考内容所述的旋转式振动运动。当第一刷毛载体振动或摆动时,第一凸轮914接触第二凸轮或凸轮从动件916的表面,驱动凸轮从动件916,并因此沿牙刷头部部分816的纵向轴线818纵向驱动第二刷毛载体。当轴918继续旋转时,第一凸轮914与凸轮从动件916脱离。例如弹簧934的弹性偏压组件,其嵌于或安装于例如牙刷头部部分816的侧壁和第二刷毛载体910的表面之间,推动第二刷毛载体910朝向第一刷毛载体814返回。当这种前后或上下运动(相对于附图)重复进行时(当轴820继续旋转时),获得明显不同于并附随于由第一刷毛载体814产生的圆形运动的刷动运动。
参见图10,在增强型牙刷810的第二实施方案中,第二刷毛载体1010可移动地安装于牙刷头部816中,并由第一刷毛载体814驱动产生围绕铰链或枢轴1014的振动、摇摆、摆动或转动运动。第二刷毛载体1010与第一刷毛载体814之间存在纵向间隙。第二刷毛载体1010的第一侧面1018面向第一刷毛载体814。第一侧面1018包括狭槽1022。枢轴或铰链1014相对于第二刷毛载体的中心偏置。例如,枢轴1014的位置与第一侧面1018有侧向间距或其远离第一侧面1018。销钉1026将第一刷毛载体814和第二刷毛载体1010互相连接在一起。优选地,销钉1026在第一刷毛载体814内成型并与之形成整体。销钉1026刚性安装于第一刷毛载体814中或位于其中。也就是说,销钉1026相对于第一刷毛载体不能显著移动。因此,销钉1026不构成额外的运动部件。第二刷毛载体1010上的狭槽1022接收销钉1026。确定狭槽1022的尺寸以允许销钉1018可相对于狭槽滑动和转动并与狭槽的侧壁部分啮合。当增强型牙刷810的马达819使轴820旋转时,轴820的最远末端或凸轮(未示出,但类似于图3中的组件20)驱动第一刷毛载体814使其产生如上文图1至图7参考内容所述的旋转式振动运动。当第一刷毛载体814振动或摆动时,与之相连的销钉1018弧形扫动。当销钉1026按第一方向弧形扫动时,销钉1026啮合狭槽1022的第一侧壁并推动第一侧壁,并因此推动第二刷毛载体按第一方向运动。因为第二刷毛载体的运动受到铰链或枢轴1014的限制,所以第二刷毛载体1010按第一方向围绕枢轴摆动。当轴820继续旋转时,第一刷毛载体按第二方向运动。因此销钉1026按第二方向弧形扫动。当销钉1026按第二方向弧形扫动时,销钉1026啮合狭槽1022的第二侧壁并推动第二侧壁,并因此推动第二刷毛载体按第二方向运动。因为第二刷毛载体的运动受到铰链或枢轴1014的限制,所以第二刷毛载体1010按第二方向围绕枢轴摆动。当这种摆动或绕轴旋转运动重复进行时(当轴818继续旋转时),获得附随于由第一刷毛载体814产生的运动的刷动运动。例如,当第一刷毛载体顺时针方向旋转时,第二刷毛载体附随着绕枢轴逆时针方向旋转。
参见图11,在增强型牙刷810的第三实施方案中,第二刷毛载体1110可移动地安装于牙刷头部816中,并由第一刷毛载体814驱动产生围绕枢轴1114的振动、摇摆、摆动或转动运动。第二刷毛载体1110与第一刷毛载体814之间存在纵向间隙。第二刷毛载体1110的第一侧面1118面向第一刷毛载体814。第一侧面1118包括狭槽1122。枢轴1114定位于第二刷毛载体的中心。销钉1126将第一刷毛载体814和第二刷毛载体1110互相连接在一起。优选地,销钉1126在第一刷毛载体814内成型并与之形成整体。销钉1126刚性安装于第一刷毛载体814中或位于其中。也就是说,销钉1126相对于第一刷毛载体814不能显著移动。因此,销钉1126不构成额外的运动部件。第二刷毛载体1110上的狭槽1122接收销钉1126。确定狭槽1122的尺寸以允许销钉1126可相对于狭槽滑动和转动并与狭槽1122的侧壁部分啮合。当增强型牙刷810的马达819使轴820旋转时,轴820的远程凸轮(未示出,但类似于图3中的组件20)驱动第一刷毛载体使其产生如上文图1至图7参考内容所述的旋转或绕轴振动运动。当第一刷毛载体814振动时,与之相连的销钉1118弧形扫动。当销钉1126按第一方向弧形扫动时,销钉1126啮合狭槽1122的第一侧壁并推动第一侧壁,并因此推动第二刷毛载体按第一方向运动。因为第二刷毛载体的运动受到枢轴1114的限制,所以第二刷毛载体1110按第一方向围绕枢轴1114摆动或旋转。当轴820继续旋转时,第一刷毛载体按第二方向运动。因此销钉1126按第二方向弧形扫动。当销钉1126按第二方向弧形扫动时,销钉1126啮合狭槽1122的第二侧壁并推动第二侧壁,并因此推动第二刷毛载体1110按第二方向运动。因为第二刷毛载体的运动受到枢轴1114的限制,所以第二刷毛载体1110按第二方向围绕枢轴摆动或旋转。当这种摆动或绕轴旋转运动重复进行时(当轴820继续旋转时),获得附随于由第一刷毛载体814产生的运动的刷动运动。例如,当第一刷毛载体顺时针方向运动时,第二刷毛载体附随着绕枢轴逆时针方向运动。
参见图12和图13,在增强型牙刷810的第四实施方案中,第二刷毛载体1208可移动地安装于牙刷头部816中,并具有安装于第二刷毛载体1208的中央横向轴线处的枢轴1210。第二刷毛载体1208由第一刷毛载体814驱动产生振动、摆动或摇摆运动。第二刷毛载体1208与第一刷毛载体814之间存在纵向间隙。第二刷毛载体1208的第一侧面1218面向第一刷毛载体814。第一侧面1218包括狭槽1222。狭槽与第二刷毛载体1208的纵向轴线1224呈横向设置,其方向与第二刷毛载体1208的基座1226所确定的平面有一个角度。销钉1326将第一刷毛载体814和第二刷毛载体1208互相连接在一起。优选地,销钉1326在第一刷毛载体814内成型并与之形成整体。销钉1326刚性安装于第一刷毛载体814中或位于其中。也就是说,销钉1326相对于第一刷毛载体不能显著移动。因此,销钉1326不构成额外的运动部件。第二刷毛载体1208上的倾斜槽1222接收销钉1326。确定狭槽1222的尺寸以允许销钉1326可相对于狭槽滑动和摆动并与狭槽的侧壁部分啮合。当增强型牙刷810的马达819使轴820旋转时,轴820的最远末端或凸轮(未示出,但类似于图3中的组件20)驱动第一刷毛载体使其产生如上文图1至图7参考内容所述的旋转或绕轴摆动或振动运动。当第一刷毛载体814振动时,与之相连的销钉1326弧形扫动。当销钉1326按第一方向弧形扫动时,销钉1326啮合狭槽1222的第一侧壁或例如上方侧壁并推动第一侧壁,并因此推动第二刷毛载体按第一方向或例如向上(相对于附图)运动。因为第二刷毛载体的运动受到枢轴1210的限制,所以第二刷毛载体1110按第一方向,或例如向上,围绕枢轴1210摆动、摇摆或旋转。当轴820继续旋转时,第一刷毛载体按第二方向运动。因此销钉1326按第二方向弧形扫动。当销钉1326按第二方向弧形扫动时,销钉1326啮合狭槽1222的第二侧壁或例如下方(相对于附图)侧壁并推动第二侧壁,并因此推动第二刷毛载体1208按第二方向,或例如向下(相对于附图)运动。因为第二刷毛载体的运动受到枢轴1210的限制,所以第二刷毛载体1208按第二方向围绕枢轴1210摆动、旋转或摇摆。当这种摆动、绕轴旋转或摇摆运动重复进行时(当轴820继续旋转时),获得明显不同于并且附随于由第一刷毛载体814产生的摆动运动的清除或深入清洁运动。
参见图14和图15,在增强型牙刷810的第五实施方案中,第二刷毛载体1408可移动地安装于牙刷头部816中,并具有安装于第二刷毛载体1408的横向轴线处,邻近第二刷毛载体1408最近末端1412的枢轴1410。第二刷毛载体1408由第一刷毛载体814驱动产生振动、摆动或摇摆运动。第二刷毛载体1408与第一刷毛载体814之间存在纵向间隙。第二刷毛载体1408的第一侧面1418面向第一刷毛载体814。第一侧面1418包括狭槽1422。狭槽与第二刷毛载体1408的纵向轴线1424呈横向设置,其方向与第二刷毛载体1408的基座1426所确定的平面有一个角度。销钉1526将第一刷毛载体814和第二刷毛载体1408互相连接在一起。优选地,销钉1526在第一刷毛载体814内成型并与之形成整体。销钉1526刚性安装于第一刷毛载体814中或位于其中。也就是说,销钉1526相对于第一刷毛载体不能显著移动。因此,销钉1526不构成额外的运动部件。第二刷毛载体1208上的倾斜槽1422接收销钉1326。确定狭槽1422的尺寸以允许销钉1526可相对于狭槽滑动和摆动并与狭槽的侧壁部分啮合。当增强型牙刷810的马达819使轴820旋转时,轴820的远程凸轮(未示出,但类似于图3中的组件20)驱动第一刷毛载体814使其产生如上文图1至图7参考内容所述的旋转或绕轴振动运动。当第一刷毛载体814振动时,与之相连的销钉1526弧形扫动。当销钉1526按第一方向弧形扫动时,销钉1526啮合狭槽1222的第一侧壁或例如上方侧壁并推动第一侧壁,并因此推动第二刷毛载体按第一方向或例如向上(相对于附图)运动。因为第二刷毛载体的运动受到枢轴1410的限制,所以第二刷毛载体1110按第一方向,或例如向上,围绕枢轴1410摆动或旋转。当轴820继续旋转时,第一刷毛载体按第二方向运动。因此销钉1526按第二方向弧形扫动。当销钉1526按第二方向弧形扫动时,销钉1326啮合狭槽1422的第二侧壁或例如下方(相对于附图)侧壁并推动第二侧壁,并因此推动第二刷毛载体1408按第二方向,或例如向下运动。因为第二刷毛载体的运动受到枢轴1410的限制,所以第二刷毛载体1408按第二方向围绕枢轴1410摆动或旋转。当这种摆动或旋转运动重复进行时(当轴820继续旋转时),获得明显不同于并且附随于由第一刷毛载体814产生的摆动运动的清除或深入清洁运动。
虽然为简单起见,本发明的实施方案已经图示说明了刷毛是在基本垂直于刷毛载体的纵向轴线818和表面的方向上延伸,但可以设想刷毛被设置成不同的方式以补充或进一步增强第一和/或第二刷毛载体的运动。例如,参见图16,某些或全部刷毛可在与刷毛载体的表面1606形成锐角1608的方向上延伸和在朝向或远离牙刷柄部的方向上延伸,例如分别关于刷毛1610和1614的实施例所示。参见图17,在另一个实施方案中,某些刷毛可远离牙刷头部向外延伸,在另一个方向上再次与刷毛载体表面形成锐角1708,如关于刷毛1710和1714的实施例所示。也可采用按摩型刷毛或变化高度的刷毛,例如美国专利330,286、434,563所述,其主旨引入本文以供参考。适于使用的其它优选刷毛配置包括由以下专利全部或部分描述的配置:美国专利6,006,394、4,081,876、5,046,213、5,335,389、5,392,483、5,446,940、4,894,880和国际专利WO99/23910,其主旨引入本文以供参考。
已经采用试图用于描述某些运动的某些词汇和短语来描述所述实施方案。运动可以是恒定的或者是振动性的。恒定运动的一个实施例是组件在单个方向上进行角移动(例如,刷毛载体在类似于包络面的锥面上仅顺时针旋转或顺时针转动)或在单个方向上进行角平移的简单旋转。振动是任意具有重复循环的周期性运动。振动运动可具有一个或多个频率和振幅。基本上为线性的振动运动在此被称为往复运动。往复运动可在许多方向上发生,如基本水平、基本垂直(即升高运动或脉动运动)及它们的组合方向。其本身基本上为转动性的振动运动在此被称为摆动或绕轴旋转运动。
因为大多数运动本身是复合性的(即包括其它运动类型的组件),所以本文中上文所述的术语可包括其它运动,除非另外指明(例如,仅往复运动),还包括该术语所描述的基本或主要运动。因此,例如,此处作为往复运动来描述的运动,即使其主要运动本身是往复运动,也可包括其它振动或恒定运动。
已参考特定实施方案对本发明进行了描述。通过阅读和理解本说明书,可对本发明进行修改和改变。例如,虽然已描述和说明第一刷毛载体邻近牙刷的最远末端而第二刷毛载体位置更近,但两个刷毛载体位置可以互换。例如,第一或主动刷毛载体可以位置更近而第二或从动刷毛载体位于牙刷的远端或更远的末端。虽然销钉已被描述为第一刷毛载体的整体成型组件,但销钉可包括单独制造而后固定连接、插入或共同成型的组件。旨在将属于所附的权利要求或其等同物的范围内的所有这些修改和变化。

Claims (13)

1.电动牙刷,其包括:
柄部,其位于所述牙刷的第一末端;
驱动系统,其包括马达和旋转轴;
头部,其位于所述牙刷的第二末端,该头部具有纵向轴线,而且
该头部包括第一刷毛载体和第二刷毛载体;
第二刷毛载体在第一刷毛载体与柄部之间取向;
第一刷毛载体围绕第一轴线作摆动运动,其中从第一刷毛载体上延伸出整体凸轮或销钉;
第二刷毛载体通过所述的凸轮或销钉可操作地连接到第一刷毛载体,和
第二刷毛载体受第一刷毛载体驱动。
2.如权利要求1所述的电动牙刷,其中所述的凸轮或销钉被第二刷毛载体的狭槽接收。
3.如上述权利要求中任一项所述的电动牙刷,其中所述第二刷毛载体绕第二轴线作摆动运动。
4.如权利要求3所述的电动牙刷,其中所述第一轴线和第二轴线一般与头部的纵向轴线交叉。
5.如权利要求3所述的电动牙刷,其中第一轴线和第二轴线一般相互平行。
6.如权利要求4所述的电动牙刷,其中第一轴线和第二轴线相互交叉。
7.如权利要求5所述的电动牙刷,其中所述的旋转轴可操作地连接到第一刷毛载体上。
8.如权利要求1所述的电动牙刷,其中第一刷毛载体和第二刷毛载体以振动方式摆动。
9.如权利要求1所述的电动牙刷,其中所述的凸轮或销钉相对于第一刷毛载体基本上保持固定。
10.电动牙刷,其包括:
柄部,其位于所述牙刷的第一末端,所述的柄部具有设置其中的马达;
头部,其位于所述牙刷的第二末端,该头部具有纵向轴线,而且该头部包括第一刷毛载体和第二刷毛载体,第一刷毛载体包括多个刷毛簇,第二刷毛载体包括第二多个刷毛簇;
第二刷毛载体在第一刷毛载体和柄部之间取向;
第一刷毛载体围绕第一轴线作摆动运动,其中从第一刷毛载体上延伸出凸轮或销钉;
第二刷毛载体通过所述的凸轮或销钉可操作地连接到第一刷毛载体;和
第二刷毛载体受第一刷毛载体驱动。
11.如权利要求1所述的电动牙刷,其中第二刷毛载体受弹簧偏压。
12.如权利要求1所述的电动牙刷,其中第二刷毛载体包括第二凸轮,第二刷毛载体受第二凸轮和第一刷毛载体的凸轮的凸轮作用驱动。
13.如权利要求3所述的电动牙刷,其中第一刷毛载体顺时针摆动,同时第二刷毛载体逆时针摆动。
CNB028221109A 2001-11-07 2002-11-07 复合运动牙刷 Expired - Lifetime CN100531683C (zh)

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US20030084525A1 (en) 2003-05-08
ATE472981T1 (de) 2010-07-15
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CN1582134A (zh) 2005-02-16
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US20100088833A1 (en) 2010-04-15
US20060137118A1 (en) 2006-06-29
RU2004117090A (ru) 2005-03-27
RU2329010C1 (ru) 2008-07-20
CN101606866B (zh) 2013-06-19
WO2003039397A1 (en) 2003-05-15
KR20050056917A (ko) 2005-06-16
US20050000045A1 (en) 2005-01-06
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US7761947B2 (en) 2010-07-27
RU2295319C2 (ru) 2007-03-20
JP4014213B2 (ja) 2007-11-28
DE60236948D1 (de) 2010-08-19
US8234742B2 (en) 2012-08-07
US20050268409A1 (en) 2005-12-08
PL199093B1 (pl) 2008-08-29
CA2465488C (en) 2009-01-27

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