CN107661153B - 机械驱动式声波牙刷和水牙线 - Google Patents
机械驱动式声波牙刷和水牙线 Download PDFInfo
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- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
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- A61C17/032—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication using pressurised tap-water, e.g. rinsing devices specially adapted for being connected to the main water supply
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- A61C17/16—Power-driven cleaning or polishing devices
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- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
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- 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
- A61C17/3418—Rotation around the axis of the toothbrush handle
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- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
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- 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
- A61C17/3445—Translation along the axis of the toothbrush handle
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- A—HUMAN NECESSITIES
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Abstract
本发明涉及一种具有水牙线特征的牙刷,包括:手柄,其中限定第一流体管道;牙刷末端,该牙刷末端从所述手柄的第一端延伸,并且其中限定第二流体管道,该第二流体管道连接到该第一流体管道;刷头,其被支撑在该牙刷末端的远端上,其中,该刷头包括与牙刷轴内的流体管道流体连通的流体出口;基板,其被可移除地连接到该手柄的第二端,并且包括流体入口端口,该流体入口端口被配置成与外部流体源连接并且与第一流体通路流体连通;以及第一阀,其被定位在该流体入口端口和该第一流体管道之间,并且被配置成当该基板从该牙刷被移除时关闭,以及被配置成当该基板被连接到该牙刷时打开。
Description
本申请是名称为“机械驱动式声波牙刷和水牙线”且申请号为“201480010059.7”中国发明专利申请的分案申请,该中国发明专利申请是国际申请号为“PCT/US2014/030736”的PCT申请进入中国国家阶段的申请。
相关申请的交叉引用
本申请要求2013年3月15日提交的名称为“Mechanically driven sonictoothbrush and water flosser”的美国临时申请61/802,121的优先权,其由此通过引用整体地结合于本文中。
本申请与2012年5月2日提交的名称为“Mechanically driven sonic toothbrushsystem”的美国专利申请13/462,614相关。
技术领域
本发明涉及口腔健康产品。更具体地,本发明涉及具有水牙线特征的声波牙刷。
背景技术
声波牙刷技术的现有技术水平关注驱动系统,驱动系统利用电磁驱动器和定中心复位弹簧直接产生振荡运动来产生期望的振荡牙刷输出运动。这些电磁系统中不包括连续的输入旋转或驱动器,并且这类电磁系统具有相对高的生产成本。
目前还存在通过连续旋转的输入驱动器提供振荡输出牙刷运动的许多牙刷。与采用电磁驱动器的牙刷相比这类机械驱动式牙刷通常具有降低的制造成本。但是,这类旋转系统都以远低于声速水平的速度执行振荡功能。不存在以声速操作的连续旋转输入驱动系统。
当前的喷水牙线是单独的单元,仅利用专用、唯一的手柄和牙线末端提供脉冲式喷水。存在被称作“组合体”单元的一些装置,其利用单个单元提供牙刷功能和水牙线功能。这些装置基本上采用具有手柄和末端组件的水牙线基部单元,扩大基部单元,并且添加位于放大的基部上的单独的牙刷手柄。需要两个手柄来提供水牙线和牙刷功能。不存在仅利用一个手柄组件和一个牙刷/末端提供水牙线和牙刷功能的系统。
说明书的本背景技术部分中包括的信息,包括在此引用的参考文献及其任何描述或论述,仅为了技术参考而被包括,并且不应该被认为是由权利要求限定的本发明的范围限制的主题。
发明内容
组合式牙刷和水牙线刷头系统能够使声波牙刷刷毛末端移动并且将高压脉冲式水牙线流体流传送通过单个刷头组件内的可伸展且可收缩的喷射末端喷嘴。此刷头组件不大于单个功能的电动牙刷刷头。在刷毛簇的高度以上的喷射末端喷嘴的延伸部分为使用者提供准确地定位和控制流体流的能力,以便实现最佳的功效,而不受刷毛干扰,同时收缩喷嘴的能力容许不受阻的声波牙刷移动,而不受喷射末端喷嘴干扰。所述刷头系统能够执行这些功能,同时传送真正有效的水牙线所需的较高的流体压力。
当牙刷末端附接到动力手柄的牙刷轴时,牙刷末端的内部水路径被密封到动力手柄的牙刷轴。这提供通过动力手柄、及至并离开位于牙刷刷毛之间的水喷嘴的连续的、密封的水路径。外部的脉冲式喷水产生系统附接到动力手柄内的水路径的输入部分。当启动时,此喷水产生系统供应脉冲式水流,该水流穿过动力手柄、通过牙刷末端并从刷头刷毛图案内的半刚性喷嘴排出。此脉冲式喷水沿牙龈线导向,以提供标准的独立式水牙线机构的水牙线效果。
动力手柄和喷水产生系统之间的水源连接结构可以是可拆离的。这容许在需要时从水源和喷水基部单元松开动力手柄,以用作独立式牙刷。动力手柄可具有仅控制声波牙刷功能或控制牙刷功能和脉冲式喷水功能两者的能力。
在一个实施方式中,一种具有组合的声波刷牙和水牙线清洁属性的牙刷包括电动机、牙刷末端、驱动组件和流体通路。电动机还包括驱动轴。当使所述电动机操作时,所述驱动轴沿单方向连续旋转。牙刷末端在远端上支撑刷头,并且在其中限定流体管道。驱动组件被耦接在所述驱动轴和所述牙刷末端之间,并且被配置成将所述驱动轴的旋转转化成所述刷头的声波振荡,由此所述牙刷末端围绕所述牙刷末端的纵向轴线来回枢转。流体通路被配置成将来自所述牙刷外部的流体源的流体输送到所述牙刷末端中的所述流体管道。所述流体通路的一部分形成在所述驱动组件内。
在另一实施方式中,一种具有组合的声波刷牙和水牙线清洁属性的牙刷包括电动机、牙刷末端、驱动组件、流体通路、可拆卸基板和阀。电动机还包括驱动轴。当使所述电动机操作时,所述驱动轴沿单方向连续旋转。牙刷末端在远端上支撑刷头,并且在其中限定流体管道。驱动组件被耦接在所述驱动轴和所述牙刷末端之间,并且被配置成将所述驱动轴的旋转转化成所述刷头的声波振荡,由此所述牙刷末端围绕所述牙刷末端的纵向轴线来回枢转。流体通路被配置成将来自所述牙刷外部的流体源的流体输送到所述牙刷末端中的所述流体管道。可拆卸基板包括与所述流体通路流体连通并被配置成用于与所述流体源连接的流体入口。阀位于所述流体通路内,并且配置成当从所述牙刷移除所述基板时关闭所述流体通路,并且配置成当所述基板被连接到所述牙刷时打开。
本发明内容用于介绍一组简化形式的构思,下文在具体实施方式中进一步详细描述这些构思。本发明内容未试图确定要求权利的主题的关键特征或本质特征,也未试图用语限制要求权利的主题的范围。在本发明的各个实施例的以下书面描述中提供并且附图中示出了本发明的特征、细节、功用和优点的更多描绘。
附图说明
图1是组合式机械驱动式声波牙刷和水牙线的示例性实施方式的等距视图。
图2是图1的牙刷/牙线的前部、顶部等距视图,其中移除了壳体、基部帽和牙刷末端。
图3是后部、底部的等距视图,其中移除了壳体、基部帽和牙刷末端。
图4是图1的牙刷/牙线的剖视侧面等距视图。
图5是图1的牙刷/牙线的驱动组件的放大的底部等距视图,其中为了清楚起见,移除了壳体、牙刷末端、驱动支架和后部机架并且以虚线示出冲洗器软管。
图6是图1的牙刷/牙线的驱动组件的放大的剖视底部等距视图,其中为了清楚起见,移除了壳体、牙刷末端、驱动支架和后部机架。
图7是图1的牙刷/牙线的驱动组件的放大的剖视底部等距视图,其中为了清楚起见,移除了壳体和牙刷末端。
图8是图1的牙刷/牙线的基部端的放大的剖视侧面等距视图。
图9是图1的牙刷/牙线的牙刷末端的等距视图。
图10是图1的牙刷/牙线的牙刷末端的刷头部分的放大的剖视侧面立视图。
图11是图1的牙刷/牙线的牙刷末端的剖视侧面等距视图。
图12A是组合式机械驱动式声波牙刷和水牙线的示例性实施方式的前部等距视图。
图12B是图12A的牙刷/牙线的后部等距视图。
图12C是牙刷/牙线的分解等距视图,描绘牙刷末端和基部的可拆离性。
图13A是图12A的牙刷/牙线的前部、右侧等距视图,其中移除了壳体和牙刷末端。
图13B是图12A的牙刷/牙线的后部、左侧等距视图,其中移除了壳体和牙刷末端。
图14是沿图12A中的线14-14截取的图12A的牙刷/牙线的剖视右侧等距视图。
图15A是图12A的牙刷/牙线的组成零件的分解等距视图。
图15B是图12A的牙刷/牙线的组成零件的分解等距视图。
图15C是图12A的牙刷/牙线的组成零件的分解等距视图。
图16是沿图12A中的线14-14截取的图12A的牙刷/牙线的放大的剖视右侧等距视图,详细示出包括可拆离基部和电源的手柄底部。
图17是沿图12A中的线14-14截取的图12A的牙刷/牙线的放大的剖视右侧等距视图,详细示出处于被移除配置的可拆离基部以及提升阀的操作。
图18是可拆卸基部的等距视图。
图19A是沿图18中的线19A-19A截取的可拆卸基部的一部分的剖视等距视图。
图19B是沿图18中的线19B-19B截取的可拆卸基部的一部分的剖视等距视图。
图20A是沿图12A中的线14-14截取的图12A的牙刷/牙线的放大的剖视右侧等距视图,详细示出包括电动机和传动系统的手柄中部。
图20B是沿图12A中的线14-14截取的图12A的牙刷/牙线的放大的剖视左侧等距视图,详细示出包括电动机和传动系统的手柄中部。
图21是图12A的牙刷/牙线的传动系统的前部、右侧等距视图,其中移除了壳体和机架的一些部分。
图22是图12A的牙刷/牙线的传动系统的后部、左侧等距视图,其中移除了壳体和机架。
图23是沿图22中的线23-23截取的牙刷/牙线的传动系统的剖视左侧等距视图。
图24是沿图22中的线24-24截取的牙刷/牙线的传动系统的剖视后部、左侧等距视图。
图25A是安装在电动机轴上的偏心凸轮的顶部等距视图。
图25B是图25A的偏心凸轮的底部等距视图。
图26是可拆卸牙刷/牙线头的第二示例性实施方式的等距视图。
图27是图26的牙刷末端的分解等距视图。
图28是沿图26的线28-28截取的图26的牙刷末端的剖视图。
图29是沿图12A中的线14-14截取的图12A的牙刷/牙线的放大的剖视右侧等距视图,详细示出手柄的顶部和牙刷末端的基部。
图30是用于收容在牙刷末端内的牙刷轴的对齐插入件的等距视图。
图31A是用于收容在牙刷末端内的牙刷轴的轴支撑件的后部、左侧等距视图。
图31B是图31A的轴支撑件的前部等距视图。
图32是沿图29的线32-32截取的牙刷末端的剖视底部平面图。
图33A是可拆卸牙刷/牙线头的第二示例性实施方式的等距视图。
图33B是沿图33A中的线33B-33B截取的图33A的牙刷/牙线头的剖视图,其中,牙线末端处于收缩位置。
图33C是类似于沿图33A中的线33B-33B截取的剖面的图33A的牙刷/牙线头的剖视图,其中,牙线末端处于伸展位置。
图34A可拆卸牙刷/牙线头的第三示例性实施方式的等距视图。
图34B是沿图34A中的线34B-34B截取的图35A的牙刷/牙线头的剖视图。
图35A是可拆卸牙刷/牙线头的第四示例性实施方式的等距视图。
图35B是沿图35A中的线35B-35B截取的图35A的牙刷/牙线头的剖视图。
具体实施方式
本文公开了具有水牙线末端的机械驱动式声波牙刷系统的若干示例性实施例。声波牙刷/牙刷系统利用连续旋转式输入驱动器(例如,DC或AC电动机),其操作平衡连杆系统,以将输入驱动器的连续旋转改变为期望的振荡输出运动,该运动以声速驱动附接的刷头。
利用DC驱动电动机输入驱动运动可获得比目前的电磁声波牙刷系统以及利用相对价廉的模制塑料部件低的机械驱动式声波牙刷/牙线系统的成本。
本文公开的声波牙刷/牙线系统可提供连续旋转输入驱动系统,其提供机械振动和噪声水平极低的振荡声波牙刷输出运动。此外,本文公开的示例性机械驱动式声波牙刷系统提供生产成本降低的声波牙刷系统。
机械驱动式声波牙刷的一些实施例可被配置成用于附接到水牙线基部单元。在这些实施例中,声波牙刷可包括用于与来自牙线基部单元的流体管连接的流体入口。流体流导管被设置为通过声波牙刷的手柄并且还通过振荡驱动运动机构的一部分。流体流导管通过可更换牙刷末端离开,牙刷末端承载被安装在刷头上的刷毛内的冲洗器喷嘴。当牙刷末端附接到手柄的输出轴时,利用通过输出轴的流体流导管的出口密封牙刷末端的内部水路径。这提供通过动力手柄、及至并离开位于牙刷刷毛之间的水喷嘴的连续的、密封的水路径。
产生脉冲式喷水的外部水牙线基部系统经由软管附接到手柄上的入口端口。当启动时,此喷水产生系统供应脉冲式水流,该水流穿过手柄、通过牙刷末端并从刷头刷毛图案内的喷嘴排出。此脉冲式喷水沿牙龈线导向,以提供标准的独立式水牙线的水牙线效果。水牙线基部单元将水或其他流体从基部单元中的储存器泵送通过连接软管、通过声波牙刷中的流体路径并泵送到刷头中的冲洗器末端外,以提供结合有声波牙刷的益处的水牙线装置。
手柄和水牙线基部系统之间的水源连接结构可以是可拆离的。这容许在需要时从水牙线松开手柄,以用作独立式牙刷。手柄具有控制牙刷功能和脉冲式喷水功能两者的能力。由此,此系统利用一个方便的手柄提供两种能力,声波牙刷以及喷水、水牙线。
本文公开的手持式牙刷/牙线提供更加小型化、高效,并且成本更低的“组合式”牙刷/水牙线单元。由于仅具有一个手持式装置,不必容纳第二个手柄而节省了相当大的空间,并且空间利用更加有效。此外,单个手柄使得组合式可能更经济。可拆离式水源还容许动力手柄被松开、用作旅行或需要刷牙功能时的牙刷,以便更加便携。单个手柄能够控制牙刷功能和脉冲式喷水功能两者。此外,单个可更换的刷头提供刷牙功能和可转向的脉冲式喷水喷嘴功能两者,而不需要用于两种功能中的每种的单独的专用附接装置。
图1-11示出了组合式机械驱动式声波牙刷和水牙线110的一个示例性实施方式。如图1所示,组合式声波牙刷和水牙线110由手柄111和可拆卸牙刷末端125构成。牙刷末端125可向远端延伸,以形成收容刷毛插入件226的刷头224,多个刷毛簇127可从刷毛插入件延伸出。为了参考起见,牙刷/牙线110的远端可被称作牙刷端112,并且近端可被称作基部端114。
手柄111由大体在基部端114和牙刷端112之间延伸的壳体116限定。壳体116可大体为圆柱形形状以符合人体工程学地与使用者的手相匹配,但是它可形成为任何其他期望的符合人体工程学的形状。圆柱形形状可从牙刷端112开始沿牙刷端112的方向在壳体116的约1/3长度上呈锥形。壳体116可露出一个或多个启动按钮122a、122b,以启动和控制牙刷/牙线110的功能。面板123可被支撑在壳体116上围绕控制按钮122a、122b延伸的区域中,作为单独的板或作为壳体116上的二次成型表面。壳体116还可露出一个或多个状态指示器119,例如LED,用于向用户指示牙刷/牙线110的操作模式或状态。示例性模式可以是低速、高速或水牙线模式。示例性状态指示可以是电量不足、充电和充满电。
壳体116的基部端114可被大体平坦的基部帽118封闭,通过基部帽,牙刷/牙线110可直立在平面(诸如台面)上。此外,在刷牙和用作牙线期间之间,牙刷/牙线110的基部端114可位于感应充电单元(未示出)内,以为内部电池充电,内部电池提供动力以驱动声波牙刷的电动机,如本文进一步描述的。基部帽118可限定开口117,以露出可放置在充电单元的感应柱上的线圈轴129的内壁。基部帽118可利用一个或多个螺钉117或其他合适的紧固装置附接到壳体116(或包含在壳体内并在下文中进一步描述的机架结构)。为了提供水牙线特征,可提供外部连接器212,其一端与基部帽118耦接,另一端与单独的水牙线基部单元(未示出)的流体软管耦接。
图2和3分别是图1的牙刷/牙线110的前部顶部和后侧等距视图,其中,移除了壳体116、基部帽118和牙刷末端125,以露出牙刷/牙线110的内部结构。图4是牙刷/牙线110的侧面剖面等距视图,其中,壳体116、基部帽118和牙刷末端125完整。牙刷轴120在牙刷端112处从驱动组件136(下文进一步描述)沿远端方向从壳体116延伸出。轴密封件121在牙刷端112在壳体116和轴120之间围绕轴120延伸,并且被配置成容许轴120震荡,同时防止流体进入壳体内部。
牙刷/牙线110可建立在由朝向基部端114延伸的后部机架124和朝向牙刷端112延伸的驱动支架126形成的内部支撑结构上及其周围。可充电电池组130被支撑在后部机架124的凹口中。DC电动机132被支撑在后部机架124上,靠近后部机架124和驱动支架126之间的接触面。电动机132经由印刷电路板134电耦接到电池组130,其间放置有减震材料的减震板133横跨机架124和驱动支架126支撑印刷电路板134。如图10最佳示出的,可通过缠绕在线轴129上的感应线圈128为电池组130充电,线轴129被安装到电池组130下面的机架的后端并且被安装在底部盖118内侧上。感应线圈128经由电路板134连接到电池组130,以容许电路板124适当地调节收入电池组130的功率。底部盖118中的孔口117与线轴129内的腔对齐,并且容许将牙刷/牙线110放置在充电单元的感应柱上,以经由感应线圈128对电池组130进行感应充电。线圈密封件135,例如,和O形环,可被放置在线轴129和基部帽118之间,以便防止水或其他流体在线轴129和基部帽118的接触面处从基部端114渗入手柄111中。
可经由控制按钮122a、122b启动电路板134上的控制电路,以使电动机132在不同状态(例如,开启、关闭、高速、低速等)下操作。在一个实施例中,牙刷/牙线110可与基部水牙线单元电连接,并且控制按钮122a、122b可根据电路板134上的电路设计控制基部水牙线单元的启动和操作。在替代的实施例中,电路板134可设置有射频(RF)发射器或收发器,以与水牙线基部单元无线通信并控制基部单元,从而向基部单元提供控制命令。在一个示例性实施例中,电路板134和基部单元都可装配有蓝牙收发器。在另一个示例性实施例中,无线连接可以是红外通信链路。
如图2和3所描绘的,驱动组件136被支撑在驱动支架126的凹口内、驱动支架126和后部机架124的接触面处。驱动组件136将电动机132的输出轴137机械地耦接到牙刷轴120,从而当电动机132使其输出轴137连续旋转时,使牙刷轴120以声波振荡。如图4-7所示,驱动支架126可支撑前部轴承支架138和后部轴承支架140,两者与驱动支架126一起形成分别保持前部轴承142和后部轴承144的前部和后部轴台。轴承142、144可以是圆形滚圈中的滚珠或滚柱轴承,牙刷轴120从中穿过。后部轴承支架140的轴承144支撑牙刷轴120的后端,前部轴承支架138的轴承环142在牙刷轴120的中点附近支撑牙刷轴120。如图19-22最佳示出的,隔离器减震器46被安装在驱动支架126上并且包围前部轴承支架138前方的牙刷轴140,以将驱动组件136的移动部件与壳体116振动隔离。
如图4-7进一步示出的,驱动组件136机械耦接到电动机132的输出轴137,以便操作。如图7最佳示出的,电动机输出轴137从电动机132延伸到电动机曲轴臂150的通孔中,以与电动机曲轴臂150牢固地连接并形成驱动组件136的后端。偏心销153从电动机曲轴臂150的通孔的前端延伸出,偏心销153的后部轴153a牢固地附接在其中。偏心销153中间部段中的凸轮部分153c延伸通过狗骨式耦接器152中的下部孔口165。偏心销153的前部轴153b从凸轮部分153c朝向牙刷端112沿远端方向延伸并且被接收在被安装在驱动支架126的框架内的支撑套管154中。前部轴153b和后部轴153a可具有相同的直径并且沿轴向对齐。凸轮部分153c可具有偏离后部和前部轴153a、153b的对齐轴线的质心,并且可具有后部和前部轴153a、153b的直径大的直径,并因此具有偏离但平行于后部和前部轴153a、153b共同的枢转轴线的枢转轴线。可通过凸轮轴承166将凸轮部分153c支撑在狗骨式耦接器152的下部孔口165中。
摇臂148可位于狗骨式耦接器152的上部孔口169的前方。摇臂148可形成有枢轴167,枢轴167从后表面沿近端方向朝向基部端114延伸通过狗骨式耦接器152中的上部孔口169,如图6最佳示出的。可通过枢轴套筒168和套管170的组合体将枢轴167支撑在上部孔口169中,以容许摇臂148的枢轴167在上部孔口169内以低阻力自由枢转。在一些实施例中,摇臂可由模塑塑料材料制成,如下文进一步描述的。因此,枢轴套筒168可由金属制成,以与套筒170一起提供更有弹性更光滑的枢转接头。摇臂148的前表面可限定在其中插入和机械连接牙刷轴120的孔口或腔172。轴腔172与轴线A对齐,轴线A平行于但偏离在摇臂148相反侧上的枢轴167的轴线B。通过这种联接,电动机曲轴臂150由此经由狗骨式耦接器152与摇臂148耦接在一起,并且经由摇臂148进一步耦接到牙刷轴。
在本实施方式中,曲轴臂150可具有图5所示的不规则形状和尺寸。如图7所示,曲轴臂150可具有朝向基部端114延伸的接收电动机132的输出轴137的圆柱形后部接收件部段150a。后部接收件部段150a的壁厚可被设计为容纳定位螺钉(未示出),以将输出轴137紧紧地保持在曲轴臂150内。曲轴臂150还可具有朝向牙刷端112延伸的接收偏心销153的后部轴153a的前部接收件部段150b。前部接收件部段150b可形成为圆形截锥,其窄直径部分邻近凸轮轴承166,以便最小化曲轴臂150和凸轮轴承166之间发生干扰的可能性。前部接收件部段150b的后部可具有较厚的壁并且可被设计为容纳定位螺钉(未示出),以将偏心销153的后部轴153a紧紧地保持在曲轴臂150内。
曲轴臂150的平衡部段150c可形成在后部接收件部段150a和前部接收件部段150b之间,并且可具有不规则形状,该形状经调谐以帮助平衡驱动组件136中的振荡,从而减少驱动组件136中的噪声和振动。例如,如图5所示,曲轴臂可由不同尺寸的两个凸角形成,凸角之间具有被挖空的侧壁。在本实施方式中,曲轴臂150未设置有用于添加各种额外的平衡重物的腔(虽然这是可能的)。
但是,在本实施例中,摇臂148可形成有用于引入平衡重物162的一个或多个腔,以改进驱动系统136的平衡,从而减少噪声和传送到手柄111的外来振动。可利用一个或多个插销164将平衡重物162保持就位,如图5-7所示。
如图5最佳示出的,一旦通过控制按钮122启动电动机132,被固定地接收在电动机曲轴臂150的通孔中的电动机驱动轴137就沿单个旋转方向连续旋转,直到控制按钮122被按下以关闭电动机132并使其停止旋转。偏心销153的后部轴153a被牢固地接收在电动机曲轴臂150的通孔的前端中。偏心销153的扩展的凸轮部分153c被旋转地接收在凸轮轴承166中,凸轮轴承166被牢固地接收在狗骨式耦接器152的下部孔口165中。偏心销153的前部轴153b被旋转地接收在被牢固地安装在驱动支架126中的支撑套管154中。因此,旋转电动机驱动轴137使电动机曲轴臂150和偏心销153沿相同方向旋转。因此,偏心销153的凸轮部分153c和前部轴153b分别在凸轮轴承166和套管154内沿相同方向旋转。凸轮部分153c的旋转使狗骨式耦接器152来回移动,或者换言之,振荡,主要沿椭圆形或线性方向。
从摇臂148延伸出的枢轴销167被枢转地或振荡地接收在枢转套筒168和套管170中,枢转套筒168和套管170被牢固地接收在狗骨式耦接器152的上部孔口169中。因此,狗骨式耦接器152的来回或振荡移置使摇臂148关于穿过摇臂148中心的轴线来回移置或振荡。因此,使被安装在摇臂148的轴腔172中的牙刷轴120关于轴20的纵向轴线来回枢转或振荡。
在图1-11的实施例中,牙刷/牙线装置110通过装置110将水或其他流体传送到被设置在刷头224的刷毛127之间的冲洗器末端228。因此,在本实施方式中,牙刷轴120是中空的并且限定在其中通过的流体通道220。图2-11描绘了从基部端114至牙刷端112的通过牙刷/牙线装置110的整个流体路径。
如图8详细示出的,牙刷/牙线装置110可与来自水牙线基部单元(未示出)的冲洗器软管215连接,水牙线基部单元具有流体储存器和用于向冲洗器末端228提供脉冲式高压水流的泵。冲洗器软管215连接到外部连接器212,外部连接器212可以可拆卸地连接到牙刷/牙线装置110,位于被安装在壳体116的基部端14中并且延伸通过与线轴孔口117相邻的基部帽118中的孔口的冲洗器承槽206内。承槽密封件2115(例如,O形环)可被放置在冲洗器承槽206和基部帽118之间,以便防止水或其他流体在冲洗器承槽206和基部帽118的接触面处从基部端114渗入手柄111中。
外部连接器212限定从入口端到出口端的流体流通道205,所述入口端形成为用于附接到冲洗器软管215的软管钩214,所述出口端形成为中空管承槽连接器213,其被插入被限定在冲洗器承槽206内的腔209内。在一个示例性实施方式中,软管钩214和承槽连接器213彼此垂直地布置在外部连接器212上,从而使得流体通道205相对于软管钩214处的入口弯曲,其相对于牙刷/牙线装置110的纵向轴线沿径向定向,以通过承槽连接器213离开,此时流体通道205平行于牙刷/牙线装置110的纵向轴线。
锁定套筒216可围绕软管钩214套在冲洗器软管215上,以确保机械固定和流体密封。通过靠着冲洗器承槽206中的肩部223的连接器密封件210(例如,O形环)确保腔209内冲洗器承槽206和承槽连接器213之间的流体密封。承槽连接器213可围绕与连接器密封件210接口的外壁限定环形凹槽217,帮助提供承槽连接器213和冲洗器承槽206之间的机械接口和摩擦配合。连接器密封件可通过相对于肩部223按压连接器密封件201的保持器套筒208保持在冲洗器承槽206的腔209内。保持器套筒208可经由形成在保持器套筒208的外径上的环形肋209和形成在冲洗器承槽206的内径中的相应环形凹槽219(反之亦然)之间的咬合或棘爪连接结构与冲洗器承槽206机械接口。
外部连接器212与冲洗器承槽206流体密封、摩擦配合地接口,但在应用向后的轴向力时也容易移除,以便使牙刷/牙线装置110与冲洗器软管215断开连接,冲洗器软管215紧紧配合在外部连接器212的软管钩214上并且难以移除。可移除外部连接器212,以将牙刷/牙线装置110放置在感应充电单元中或为牙刷/牙线装置110提供移动性(例如,旅行时携带装置110并且当离开水牙线基部单元时仅用作机械驱动的声波牙刷)。
冲洗器承槽206的远端或前端形成为与内部输送软管202连接的带钩出口207,软管202将水或其他流体从冲洗器承槽206运载到摇臂148。另一个锁定套筒204可围绕带钩出口207套在输送软管202上,以确保机械固定和流体密封。输送软管202在壳体116内行进,并且在本示例性实施例中,通过机架124中的孔口(如图17和18所示),并最终与形成在摇臂148上平行于枢轴167向后延伸的入口钩147连接,如图5和6所示。另一个锁定套筒218可围绕带钩入口147套在输送软管202上,以确保机械固定和流体密封。
在本实施方式中,摇臂148进一步限定将流体从输送软管202传导到牙刷轴120中的通道220的流体通路250。流体通路250从平行于牙刷/牙线装置110的纵向轴线的入口钩147延伸出,并且横跨摇臂148横向弯曲,以与轴腔172交叉。被安装在摇臂148的轴腔172内的牙刷轴120具有轴入口252,其形成为牙刷轴120的侧壁中与摇臂148内的流体通路250的横向分支对齐的近端或后端处的切口,由此容许流体从摇臂148中的流体通路250流入牙刷轴120中的通道220。
牙刷轴120的前端被配置成与牙刷末端125接合,如图1和4所示。图9-11更详细地示出了示例性牙刷末端125。牙刷末端125可限定从近端或下端至刷头224的流体流通道221。轴对齐插入件222可位于流体流通道221内的近端处,以与牙刷轴120的远端末端对齐和接合。如图2-4所示,牙刷轴120可在其远端末端处限定对齐台阶240,其中,去除了牙刷轴120的侧壁的一部分。轴对齐插入件222可具有形成在内壁上用于与对齐台阶240接合的相应的对齐肩部242。因此,为了使牙刷末端125完全位于牙刷轴120上并且与其机械接合,对齐台阶240和对齐肩部242必须相对于彼此合适的定向,以完全接口。
在一个示例性实施例中,对齐插入件222的侧壁的一部分可形成有窗口,以限定纵向带244,其形成有径向向内对齐的隆起部分246。带244因此具有一定的弹性并且可根据需要扩大,以为牙刷轴120提供空隙,同时试图在其上合适地定向牙刷末端125。一旦合适地定向了牙刷末端125和牙刷轴120,隆起部分246就可以向牙刷轴120的侧面提供额外的机械保持力。
牙刷末端125利用轴夹234进一步保持在牙刷轴120上,轴夹234具有棘爪236,其与沿牙刷轴120的侧壁形成的棘爪接收件凹槽238接口。在本示例性实施例中,轴夹234形成为密封保持件230的一部分,其保持U形杯密封件323处于牙刷末端125中,靠着对齐插入件222。U形被密封件323在牙刷轴120和牙刷末端125之间形成流体密封。轴保持件234可形成为从被模塑为密封保持件230的侧壁的一部分的活动铰链延伸出。轴夹234径向向内偏置,以便将棘爪236与牙刷轴120中的棘爪接收件238接合。轴夹234的释放臂235延伸通过牙刷末端125的侧壁中的开口237,以容许使用者向轴夹234施加反向偏置压力,并从牙刷轴120中的棘爪接收件238释放棘爪236,以容许移除牙刷末端125。
当牙刷末端125被安置在牙刷轴120上,并且使用者通过以合适的控制顺序按压控制按钮122a、122b中的一个或多个或者通过开启水牙线基部单元而选择水牙线功能时,基部单元中的水被泵送通过外部连接器212、通过手柄111内的输送软管202、通过摇臂148、通过牙刷轴120、通过牙刷末端125中的流体通道221、进入刷头224、并通过安装在刷毛基部插入件226中的刷毛127之间的喷嘴末端228离开。可以注意到,除与喷嘴末端228一体形成的刷头224之外,或替代这样的刷头,机械驱动的声波牙刷和水牙线装置110也可使用单独的唯一的水牙线末端。
图12A-32提出了组合式机械驱动式声波牙刷和水牙线装置310的另一个示例性实施方式。如图12A-12C所示,组合式声波牙刷和水牙线110由手柄311和可拆卸牙刷末端325构成。为了参考起见,牙刷/牙线310的远端可被称作牙刷端312,并且近端可被称作基部端314。
手柄311由大体在基部端314和牙刷端312之间延伸的壳体316限定。壳体316可大体为圆柱形形状以符合人体工程学地与使用者的手相匹配,但是它可形成为任何其他期望的符合人体工程学的形状。圆柱形形状可从牙刷端312开始沿牙刷端312的方向在壳体316的约1/3长度上呈锥形。弹性体抓握板315可沿壳体316的侧壁二次成型到椭圆形凹槽375中,以便为使用者提供当在潜在的湿润环境中使用时较少打滑的合适抓握结构。
壳体316可露出一个或多个启动按钮盖322a、322b,以覆盖用于启动和控制牙刷/牙线310的功能的开关。面板323可被支撑在壳体316上围绕控制按钮盖322a、322b延伸的区域中,作为单独的板或作为壳体316上的二次成型表面。面板323还可通过一个或多个光孔口319或透明区域露出一个或多个状态指示器,例如LED,用于向用户指示牙刷/牙线310的操作模式或状态。示例性模式可以是关闭、低速、高速或水牙线模式或其一些组合。示例性状态指示可以是电量不足、充电和充满电。
可拆卸基部318可附接到壳体316的基部端314。一对释放杠杆313可从可拆卸基部318中的横向狭槽延伸出,其可被使用者操作,以从壳体316释放可拆卸基部318。流体入口414可从可拆卸基部318的一部分延伸出,用于与连接到水牙刷基部单元(未示出)的软管(未示出)连接。防滚动防护垫454可从壳体316的侧壁延伸出,用以帮助防止牙刷/牙线310在牙刷/牙线310侧躺时滚离台或其他表面。
牙刷末端325可向远端延伸,以形成刷头424,多个刷毛簇327可从刷头延伸出。除了刷毛簇之外,水喷嘴428可从刷头424延伸出。盖板426可被设置在牙刷末端325的后部上、与刷毛327相反,以便帮助组装牙线喷嘴428。释放按钮434可被设置在牙刷末端325的基部处,以便从延伸自手柄316的牙刷轴320释放牙刷末端325,如下文进一步描述的。刷头325还可在牙刷末端325的基部处设置有彩色编码环448或在牙刷末端325上的任何位置设置有一些其他的编码组合,以容许多个使用者通过容易地识别个人牙刷末端使用牙刷/牙线310,牙刷末端可在移除另一个使用者的牙刷末端之后被安置在手柄316上。
如图12C所示,并如上所述,可从手柄316移除牙刷/牙线310的牙刷末端325和基部318两者。除了提供给多个使用者之外,还期望牙刷末端325是可拆卸的,因为刷毛327在几个月的使用之后磨损,并且因此使用者期望定期购买具有新刷毛327的更换牙刷末端325。基部318是可拆卸的,以容许手柄311被放置在感应充电单元(未示出)上,如下文进一步描述的。
如图14和15A所示,手柄311可由若干个不同元件构成。如前所述,壳体316大体为子弹形状。在壳体316的侧壁中在面板323的横向侧面上的两个横向相反的凹槽375接收二次成型的抓握件315a/b。在一些实施方式中,抓握件315a/b可单独模制并利用粘合剂粘附到壳体311上。壳体311是收容牙刷/牙线系统310的功能部件的中空壳。大的大体圆形的底部开口380被设置在壳体316的基部端314处,并且小的圆形开口被设置在壳体316的牙刷端312处。凸环378可形成在壳体316的上表面上,以帮助提供对齐,以便与可拆卸的牙刷末端325接合。弓形切口304可形成在壳体316内、基部端314处的后面,与抓握件315横向分隔开。(参见图1和17)以便容纳可拆卸基部318特征,如下文进一步描述的。一对相邻夹具孔口(不可见)也可形成在壳体316的后面、弓形切口304上方。壳体316进一步限定在壳体316的前表面内的控制系统窗口376。控制系统窗口376可以是椭圆形的并且沿壳体316的大部分长度(大体与所示实施例中的抓握件315a/b长度相同)延伸。窗口盖凹槽377可形成在壳体316的壁中,围绕控制系统窗口376,作为壳体316表面中的凹陷,类似于抓握凹槽375。
气密盖381可从壳体316内侧位于控制系统窗口376内,从而使得尺寸和形状符合控制系统窗口376的凸起的窗口板310配合穿过控制系统窗口376。凸起的窗口板382可从气密盖381的凸缘383延伸出,延伸的厚度等于壳体316通过窗口盖凹槽377区域的厚度。因此,凸起窗口板382的上表面与窗口盖凹槽377齐平。凸缘383延伸超过控制系统窗口377的外周,以与包围控制系统窗口376的壳体316的内表面接口。凸缘383可被超声焊接或以其他方式附接到壳体316的内表面,以在气密盖381和壳体316之间形成流体密封。
在本示例性实施例中,气密盖381可由透明塑料材料制成,以便容许LED光传输到上示面板323的光孔口319。气密盖381还可在窗口板382内限定按钮孔口384a/b。控制按钮盖322a/b配合在限定孔口384a/b的侧壁内并相对于其密封。控制按钮盖322a/b可由弹性体材料模制成或以其他方式形成。控制按钮盖322a/b可二次成型或粘附到气密盖381上,以便形成流体密封。
尺寸和形状与窗口盖凹槽377相同并且厚度略小于窗口盖凹槽337的深度的壳体板385可位于气密盖381之上并且被超声焊接、粘附或以其他方式附接到窗口盖凹槽377和气密盖381的窗口板382。壳体板385由此额外地保护壳体316内的部件不受流体影响。额外的按钮盖孔口386a/b可形成在壳体板385中,控制按钮盖322a/b可延伸通过该孔口,以供使用者使用。壳体板385可由透明塑料材料制成,以便容许LED光传输到上示面板323中的光孔口319。
以上介绍的面板323可位于壳体板385上,并且粘附、超声焊接或以其他方式紧固到其上。面板323可限定按钮盖孔口387a/b,控制按钮盖322a/b延伸通过该孔口,以供使用者使用。面板323可由透明塑料材料形成,但是,面板323的表面可涂覆有不透明彩色或淡色,同时可去除或浮雕式蚀刻涂层的一些区域,以便容许光传输通过面板323的某些区域。在另一实施方式中,形成面板323的材料可形成有响应于刺激物而被活化(或去活化)的色素并且面板的一些区域被固定于透明状态,而其他区域被固定为不透明。例如,如图15A所示,用于指示高速刷牙、低速刷牙和水牙线状态(单独地,或后者与前两者中的一个或另一个结合地)的模式指示器388可被设置在面板323的经蚀刻或遮蔽的开口中。此外,如图所示,光孔口319可形成为具有不透明涂层或材料的透明区域。替代性地,光孔口319可形成为面板323中的实际孔口。
图13A和13B示出了组装后的牙刷/牙线310的内部部件,其中移除了壳体316,图14示出了组装后的剖面,并且图15A-15C单独示出了分解图。从基部端314开始,可拆卸基部318由若干部件形成。大体圆形的基板390和基部帽389联结在一起,其间夹有闩锁板391,以形成可拆卸的基部318。这些部件也可在图16-19B的放大图中看到,图16-19B详细示出了分别处于连接配置和断开配置的可拆卸基部318。
基板390的下表面可以是平坦的,如图所示,以便使牙刷/牙线310在不使用时直立在平坦表面上。基板的侧壁可限定彼此横向放置的一对弓形杠杆凹槽395,以为接近和移动闩锁板391上的基部释放杠杆313提供空隙。流体通道396可形成在基板390的上表面上。在所示实施例中,键槽形状的台阶壁309可限定流体通道396,台阶壁309位于杠杆凹槽395之间并且具有从基板390的中心指向径向外部的开口端308。与开口端相反的闭合端307可大体为圆形并且围绕基板390的中心延伸。弹簧对齐柱499可在限定流体通道396的台阶壁309的圆形部段(闭合端307)的中心内从基板390的上表面沿法向延伸。
闩锁板391可位于基板390之上。闩锁板391可大体为圆形形状,并且楔形或弧形通道切口392位于围绕闩锁板391的圆周的释放杠杆313之间。通道切口397从闩锁板391中心的楔形部分延伸为圆形区域。因此,通道切口397可形成为配合在形成基板390中的流体通道396的台阶壁309周围。如所示,基部释放杠杆313可从闩锁板391的侧壁延伸出,并且位于基板390中的杠杆凹槽395内。通道切口397限定的区域可略大于流体通道的宽度。类似地,杠杆凹槽395的弧长可略长于释放杠杆313的长度。部件的这种尺寸差容许闩锁板391相对于基板390来回旋转或枢转一小段受限的行进距离。
可在闩锁板391的主体中形成许多闩锁孔口306(在本示例性实施方式中是三个)。闩锁孔口306延伸有许多闩锁指398(在本示例性实施方式中是三个),并且每个闩锁指398的一部分还延伸到闩锁板391的上表面以上,围绕通道切口397的中心部分间隔开。弹簧柱399a可从闩锁板391的下表面沿法向延伸,邻近释放杠杆313中的一个。柱孔口305也可形成在闩锁板391的主体中、闩锁孔口306中的两个之间。柱孔口305可形成为椭圆形、弓形形状。
基部帽389可形成有底部侧壁461,其在基部帽389的底面上形成大体圆形的腔。一对横向放置的杠杆切口457可形成在侧壁461中,以为接近和移动闩锁板391上的基部释放杠杆313提供空隙。杠杆切口457的弧长可略长于释放杠杆313的长度。部件的这种尺寸差容许闩锁板391相对于基部帽389来回旋转或枢转一小段受限的行进距离。许多靴形闩锁狭槽458(在本示例性实施方式中是三个)可形成在基部帽389的上表面中。弹簧柱399b可从基部帽389的下表面延伸出,并且被放置为延伸通过闩锁板391中的柱孔口305。与在基板390中形成流体通道396的台阶壁309配合的对称形式的配合壁302可从基部帽389的下表面延伸出。(见图19A和19B。)配合壁302被配置成配合在台阶壁309的上部内部台阶周围并且与台阶壁309的下部外部台阶面对面配合,以覆盖流体通道396。
阀柱459可形成为圆柱形延伸部,其位于基部帽389的上表面的中心处并且与其垂直。阀柱459限定贯通基部帽389下部的腔。若干肋301可沿阀柱459内的腔的内壁形成。柱孔口462也形成在阀柱459的顶部中,以提供阀柱459所限定的腔的流体出口。流体通道罩460可从基部帽389的顶部沿其周向边缘法向地延伸,横向地放置在周向边缘上、杠杆切口457之间。在本示例性实施例中,流体通道罩460呈弓形形状,并且弯曲的内壁以短于基部帽389的外周的半径遵循基部帽389的外周。流体通道罩460的外壁也弯曲,以匹配当可拆卸基部318完全组装时与该外壁毗邻的基板390的圆周。一对导引凸缘463也可从流体通道罩460的侧面横向延伸出。入口端口414从流体通道罩460的外壁延伸出。入口端口414可具有带钩末端,以便与基部泵和储存器单元(未示出)的流体软管形成牢固的流体密封。流体通道罩460在其中限定流体通道351,其在入口端口414和流体通道396之间提供流体连通。
管形下部提升阀394被收容在阀柱459所限定的腔内,并且当可拆卸基部318处于拆卸配置时通过下部提升阀弹簧393相对于阀柱459的上壁偏置。在阀柱459的此内壁上的肋301使下部提升阀394位于腔内中心处,以容许流体在下部提升阀394周围、下部提升阀394和阀柱459的内壁之间流动。下部提升阀弹簧393保持位于在流体通道396的中心内的从基板390延伸出的弹簧柱499周围。下部提升阀弹簧393的顶端位于下部提升阀394底部中的圆柱形腔500内。浅凹槽501可进一步形成在下部提升阀394的上表面内。下部提升阀394的上缘可有斜面,以形成相对于限定主孔口462的阀柱459的上壁密封的密封表面464。下部提升阀394可由密实的橡胶或其他弹性体材料(即,弹性模量相对高的弹性体材料)制成,以便保持其形状,同时相对于阀柱459提供流体密封。替代性地,下部提升阀394可由塑料制成或至少在密封表面464上涂覆有弹性体,以便提供流体密封。
基部帽389可与闩锁板391对齐并位于其上,从而使得闩锁狭槽458与闩锁板391中的闩锁孔口306大体对齐。闩锁板391的闩锁指398的一些部分可延伸通过基部帽389中的闩锁狭槽458。从基部帽389的底部延伸的弹簧柱399b可延伸通过闩锁板391中的柱孔口305。闩锁弹簧392可附接在闩锁板391和基板390之间,第一端附接到从闩锁板391底部延伸的弹簧柱399a,第二端附接到从基部帽389底部延伸的弹簧柱399b。基部帽389可被超声焊接或粘附到基板390,以确保配合壁302和形成流体通道396的台阶壁309之间的流体密封。侧壁461和基部帽389的弹簧柱399b也可联结到基板390的上表面。由于基板390的直径略大于侧壁461的直径,因此基板390的边沿或凸缘保持露出基板390的周界的一些部分之上。当可拆卸基部318附接到手柄311以覆盖壳体316中的底部开口380时,此露出的边沿或凸缘与壳体316的下缘配合。当基板390和基部帽389联结在一起时,闩锁板391和下部提升阀394以及它们的相应弹簧392、393被收容在其中。闩锁板391能够在基部帽389和基板390之间枢转,并且下部提升阀能够在阀柱459和流体通道396的中心内移动。
可拆卸基部318当附接到手柄311时与线圈轴400配合。线圈轴400是限定外部绕线表面409的大体圆柱形结构,感应充电线圈328缠绕在绕线表面409上。保持器凸缘401径向向外延伸,以形成绕线表面409的顶部边界。基部凸缘402类似地径向向外延伸,以形成绕线表面409的底部边界。基部凸缘402在直径上大于保持器凸缘401。弓形切口505形成在基部凸缘402的边缘上、在线圈轴400的后侧上,以便容纳可拆卸基部318的流体通道罩460的内部弓形壁。对齐凹槽407也形成在基部凸缘402的边缘上、在与弓形切口505相反的前侧上。周向沟槽506(因弓形切口505而中断)形成在基部凸缘402的上表面中。许多闩锁脚403(在本示例性实施例中是三个)可从基部凸缘402的下表面沿法向延伸,被布置和放置为与可拆卸基部318中的闩锁狭槽458对齐。
线圈轴400进一步限定基部端314上的台阶腔,其接收可拆卸基部318的阀柱459,并且在移除可拆卸基部318时用作感应充电端口317。充电端口317将线圈密封件335(例如,杯形密封件)接收在中间台阶中,中间台阶在与阀柱459紧密配合的充电端口317的较小直径和接收将线圈密封件335保持就位的环形密封保持器408的充电端口317的较大直径之间。密封保持器408可被压装到充电端口317的最大直径架或台阶中,并且与线圈轴400的基部表面齐平。密封保持器408还可用作能量引导器,以帮助感应充电牙刷/牙线310。
圆形、成角度的安装表面404可形成为保持器凸缘401上方的线圈轴400的顶部。安装表面404偏离保持器凸缘401的前缘,但与保持器凸缘的后缘几乎一致地延伸。安装表面404从前缘至后缘向下成角度。导管壁405相对于保持器凸缘401垂直地从安装表面404延伸,并且限定流体出口406,流体出口与感应充电端口317流体连通(经由形成在其间的线轴孔口504)。导管壁405的后部部段有缺口,并且若干肋503沿导管壁405的内表面竖直地放置。
线圈帽410相对于线圈轴400的安装表面404密封。线圈帽410在其基部处形成有平坦的密封板466,密封板以与安装表面404一致的角度形成相对的表面。弹簧柱468形成在密封板466上方并且在其中限定腔,该腔配合在于安装表面404上方延伸的导管壁405上。管状流体连接器467从线轴帽410的后侧向上延伸,并且限定与弹簧柱468下方的腔流体连通的流体管腔508。当线轴帽410联结到线圈轴400的安装表面404(例如,通过超声焊接)时,流体密封的流体通路形成在导管壁405中的流体出口406和流体管腔508之间。流体连接器467的端部处的外表面可形成为连接器钩469。压缩弹簧465位于线轴帽410上的弹簧柱468的外表面周围。
上部提升阀412也可位于导管壁405所限定的流体出口406内。上部提升阀412可具有延伸通过线轴孔口504的向下延伸活塞413和接收上部提升阀弹簧411的向上延伸柱419。上部提升阀弹簧411可延伸到由线轴帽410中的弹簧柱468限定的腔中。环形凹槽可被限定在上部提升阀412的上表面中、围绕柱419,以进一步限制上部提升阀弹簧411。上部提升阀412的下表面可有斜面,以形成密封表面417,当从手柄311移除可拆卸基部318时,当被上部提升阀弹簧411向下偏置时,该密封表面与限定线轴孔口504的壁形成流体密封。上部提升阀412可由密实的橡胶或其他弹性体材料(即,弹性模量相对高的弹性体材料)制成,以便保持其形状,同时相对于线轴孔口504提供流体密封。替代性地,上部提升阀412可由塑料制成或至少在密封表面417上涂覆有弹性体,以便提供流体密封。内衬于导管壁405的内表面上的肋503使上部提升阀412位于腔的中心,以容许流体在上部提升阀412周围流过,通过线圈轴中的流体出口406排出。
基部盖359是大体圆柱形的结构,其位于线圈轴400和线轴帽410周围。通风孔360形成在基部盖359的前壁中,以排出某些部件(例如,电池或电动机)失灵(例如,受损和释放化学烟雾或过热)时可能积累的任何压力。通风孔306还可用作排水孔,指示手柄311内的流体密封故障。通过通风孔360漏出的任何流体(气体或液体)将从壳体316的下端314漏出。靠近基部盖359的上缘的环形凹槽用作密封保持器471并接收相对于壳体316的内表面密封基部盖359的基部帽密封件361(例如,O形环)。紧靠基部盖359的上缘的凸缘473将基部帽密封件361保持在密封保持件471中。若干夹具凹陷472可形成在凸缘473中,以帮助将基部盖359连接到其他结构,如下文进一步描述的。此外,相反的架(未示出)可形成在基部盖359的内壁上,大体位于与通风孔306在横向侧壁上相对于其的位置相同的纵向位置处,以进一步帮助将基部盖359连接到其他结构,如下文进一步描述的。
基部盖359的下缘可靠着线圈轴400的基部凸缘402放置。基部盖359的下缘可限定与基部凸缘402的上表面中的沟槽506配合的小凸脊507。凸脊507和沟槽506可提供基部盖359和基部凸缘400之间的位置对齐,并且可进一步提供基部盖359的下缘和基部凸缘402之间(当它们联结在一起时,例如通过超声焊接)的坚固结合。从基部盖359的下缘延伸出的对齐耳片470也可与基部凸缘402的前缘中的对齐凹槽407配合,以额外地将基部盖359对齐在线圈轴400上。当基部盖359附接到线圈轴400时,线轴帽410的流体连接器467上的连接器钩469在基部盖359的上缘上方延伸。
基部盖359的后侧可进一步限定被裁制和塑形以配合在可拆卸基部318的弓形流体通道罩460周围的弓形凹槽479。水平通道303也可形成在基部盖359的侧面中、弓形凹槽479上方。水平通道303接收从覆盖有防滚动防护垫454的防滚动防护垫基部455延伸出的一对夹具456,其可由弹性体材料形成,以便摩擦地抓握表面。防滚动防护垫454可二次成型、粘附或压装在防滚动基部455上。防滚动基部455的表面可以被压花、压槽或以其他方式形成纹理,以为防滚动防护垫454提供更坚固的结合表面。类似地,防滚动防护垫454,如果单独形成的话,可形成有符合防滚动基部455的表面形状的内腔。夹具456延伸通过壳体306中弓形切口304上方的那对夹具孔口(不可见),并且可被压装、粘附或超声焊接在基部盖359中的水平通道303内,以将防滚动防护垫454紧固到手柄311。
如图14、15C和16最佳描绘的,收容可充电电池的电池组330的电池托架326可紧靠地被安装在基部盖359上方并与其连接。电池组330可使用2AA或2AAA尺寸的可充电电池,或者可合适地驱动牙刷/牙线310的任何其他尺寸或配置的电池。电池组330可被包含在形成电池笼373的电池托架326的框架内。垫片腔349在电池组330上方的电池托架326的顶部上由顶板509和用作机架座510的壁形成。许多安装销348可从电池笼373的前侧延伸出。许多夹具脚346(在本示例性实施例中是四个)可从电池笼373的底部向下延伸,并且许多侧面夹具347可被设置在电池笼373的侧面上。
通过沿基部盖的内壁滑动夹具脚346直到夹具脚346与形成在基部盖359的内壁上的相对架(未示出)接合,可将电池托架326附接到基部盖359。同时,侧面夹具347可在凸缘473中的夹具凹槽472内、在基部盖359的上缘处滑动,以相对于基部盖359合适地对齐电池托架326。电池托架326由此被固定到基部盖359。被安装在线轴帽410上的压缩弹簧465可在电池托架326内向上偏置电池组330,以邻接顶板509的下表面。
电路板334的下部被安装到从电池托架326的前侧延伸出的安装销348,如图13A、14和15C最佳描绘的。电路板334可位于被安装在壳体316中的控制系统窗口376内的气密盖381下面,并且大体延伸控制系统窗口376的长度。除了微控制器装置(未示出)和电容器333(为了降低控制电路的增压部分中的电噪声)之外,受微控制器控制的许多部件可被安装在电路板334上并且电连接到电路板334上的印刷电路,以控制牙刷/牙线310的功能。例如,许多LED 341可被安装到电路板334,以向使用者提供操作模式和状态信息。一个或多个光导管339a/b可被安装在LED 341上方,以便包含和校准LED发出的光,并且引导光通过气密盖381和壳体板385,以照亮面板323中的模式指示器388和LED孔口319。光导管339a/b可形成有被放置为配合在LED 341周围的特定形状的孔口。在本示例性实施方式中,上部光导管339a可引导来自LED 341的光,以特定地照亮模式指示器388(例如,高速刷牙、低速刷牙、水牙线和关闭,如上所示)。同样如本实施方式所示,下部光导管339b可将光从LED 341引导至LED孔口319,以指示电池组330的电量,因此使用者将指导合适需要为电池组330充电。此外,光导管可由橡胶制成并因此用于缓冲从电动机332传送到壳体316的振动。
一对开关345a/b也可被安装在电路板334上、在各自的按钮盖322a/b正下方。按钮盖322a/b可以足够柔软,以容许使用者按压按钮盖322a/b并接触下方的开关。替代性地,按钮盖322a/b可形成有在盖下面延伸的柱,以在按钮盖322a/b下方深度过大时启动开关345a/b。开关345a/b可以是循环开关,用于选择和控制牙刷/牙线310的各种模式或功能。例如,一个开关可在第一次启动时将牙刷功能从关闭转至低速,并且在第二次启动时转至高速,然后在第三次启动时转至关闭。通过在第一次启动时将泵转至低速脉冲,第二次启动时选择高速脉冲,并且在第三次启动时将基部单元中的泵关闭,第二开关可用于单独地控制基部单元中的水泵。在一些实施方式中,可同时操作牙刷功能和牙线功能。在一些实施方式中,RF发射器或收发器(未示出)可被安装在电路板334上并连接到开关之一,用于无线地控制装配有与其控制系统相连的RF发射器或收发器的基部单元。在其他实施方式中,可实现其他的小范围无线协议,(例如,利用手柄311和基部单元中的蓝牙收发器)。在其他实施方式中,手柄311可直接经导线连接到基部单元,以控制基部单元。导线可与连接在流体入口414和基部单元之间的流体软管分开或与其合并。
一对电池引线331a/b可连接到电池的接线端子和延伸2以与感应充电线圈328连接,以便为电池组330充电。一对分开的电引线可进一步将电池组连接到电路板334,以便为控制系统、LED等341和电动机332供电。替代性地,电池引线331a/b可连接到电路板334的接线端子,以容许微控制器控制充电过程或在它连接到电池组330之前提供充电能量的调节电路。
如图13A、13B、14、15C、20A和20B最佳描绘的,传动系统机架324可连接到电池托架326顶部上的基部架510(例如,通过一个或多个螺钉),并且从其向上延伸。电动机332可被安装在被限定在基部324的下部部段内的电动机托盘474内,从而使得电动机332位于电池托架326顶部上的垫片腔349的正上方。电动机座475可相对于机架324的纵向形式沿横向向前延伸。电动机座475可通过一个或多个紧固件固定到电动机332的上表面,紧固件是例如穿过电动机座475中的孔口并旋拧入电动机332上表面中的螺纹安装孔口511中的定位螺钉。当电动机332被锚固到机架324上的电动机座475时,电动机332的基部沿法向位于垫片腔349内,从而使得电动机接头421被保护在垫片腔349内,并且可经由电引线(未示出)连接到电路板334。
振动隔离器356可位于机架324的基部周围、与电池托架326接合处。振动隔离器356进一步围绕形成电池托架326上的托架座510的壁延伸。振动隔离器356可由橡胶或另一种弹性体材料形成,并且填充机架324和电池托架326和壳体316之间的间隙,以衰减否则可被施加到壳体上的电动机332的振动。振动隔离器356还相对于壳体316为传动系统336的基部提供软安装结构,而非将基部324直接附接到壳体316上的结构。振动隔离器356还为驱动组件336和电池托架326提供定时系统(防旋转)。振动隔离器356还在基部324的后侧上形成隔离器夹持件415。此结构将在下面详细解释。
电动机座475可进一步限定半圆形轴切口512,以在电动机332的输出轴337周围提供空隙。在一个实施方式中,垫片板410可进一步被放置在电动机座475之上,并且通过将电动机座475连接到电动机332的相同定位螺钉被固定到电动机座475。垫片板420可具有与电动机座475类似的半圆形切口513,以便为输出轴337提供充足的空隙。垫片板420可由金属制成,以便为安装有电动机332的机架324提供额外的刚度并且在电动机332和驱动组件336的连接结构附近提供长磨损表面,如果部件中的一些意外地与垫片板420接口。
机架324进一步延伸至电动机座475上方,以为驱动组件336提供额外的结构支撑。在图13A、13B、14、15C、20A-25B中最佳描绘的驱动组件336包括被压装到电动机332的输出轴337上的偏心凸轮353。如图25A和25B所示,偏心凸轮353形成有从盘形基部515的上表面远离中心延伸的凸轮柱366。轴孔514延伸通过盘形基部515和凸轮柱366两者并且接收电动机332的输出轴337。轴孔514位于盘形基部515的中心;但是,由于凸轮柱336偏离盘形基部515,因此轴孔514相对于凸轮柱366离开中心,从而将凸轮柱366的外表面限定为凸轮表面。盘形基部515被设置用以相对于输出轴337沿纵向和径向平衡偏心凸轮353,以降低电动机振动的可能性。在机械上不期望存在电动机振动,因为它对驱动系统336的部件造成严重的磨损,它导致电动机332上的较大负荷和应力,它导致更大的电池消耗,并且它通过手柄311将振动传送到使用者。盘形基部515还可形成有一个或多个平衡凹槽(未示出),以便在合适的位置处去除合适量的质量,从而改善输出轴337上的平衡。
狗骨式耦接器352可与凸轮柱366连接,作为四连杆机构中的第一连杆,以便用电动机332驱动驱动系统336。支撑套管354可位于狗骨式耦接器352的凸轮孔口365内,并且压装在凸轮柱366周围。在一个示例性实施例中,滚珠轴承、滚针轴承或任何其他合适的摩擦减少结构的轴承滚圈可被替换为支撑套管354。如图所示,输出轴337可完全延伸通过偏心凸轮353并超过偏心凸轮353。端部套管367可位于输出轴337的端部上、凸轮套管354上方,以将凸轮套管354和偏心柱366保持就位。机架324可进一步提供偏心帽支架476,其从机架324的框架以架形式水平向外延伸并具有位于端部套管367之上的盘形偏心帽孔口517。在一些实施例中,端部套管367可被压装在偏心帽孔口517内。偏心帽支架476帮助防止可由电动机332或输出轴337产生的摇晃,这是因为输出轴337上仅有一个限制点。应该考虑到,在平衡输出轴337时,盘形基座515也可用于顾及支撑套管354、端部套管367和狗骨式耦接器352的质量,并且盘形基部515中的任何平衡凹槽可为此而被裁制和塑形。
狗骨式耦接器352的第二半部限定驱动孔口369,其接收被压装在其中的驱动套管368,驱动套管继而接收被压装在其中的摇杆驱动轴372的下端。因此,摇杆驱动轴372能够在驱动孔口369内以低摩擦自由枢转。摇杆驱动轴372的上端被接收在从摇臂350的后表面延伸出的驱动器节371中。摇臂350位于输出轴337上方并偏离输出轴。在所示示例性实施方式中,摇杆驱动轴372是可被压装到驱动器节371的接收孔口中的圆柱形销。在示例性替代性实施例中,摇杆驱动轴372可具有有键的或压花的形状,以配合在驱动器节371的相应地塑形的孔口内,从而防止其间发生旋转或滑动,限制狗骨式耦接器352围绕摇杆驱动轴372的下部的任何旋转。在另一实施例中,摇杆驱动轴372的上部可以是有键的,并且摇臂350可插入成型在摇杆驱动轴372的上部周围,由此防止其间的相对移动或滑动。
摇臂350的前表面可限定孔口或轴腔363,牙刷轴320被插入和机械地连接到其中。轴腔363与轴线A对齐,轴线A平行于摇臂350相反侧上的摇杆驱动轴372的轴线B,但偏离轴线B。被插入轴腔363的牙刷轴320的后端或远端可形成有键并且配合在形成在轴腔363中的互补键槽内,以便防止牙刷轴320和摇臂350之间的旋转。在一些实施方式中,牙刷轴320可被超声焊接到摇臂350。在其他实施方式中,摇臂350可插入成型在牙刷轴350周围,以在两个部件之间形成坚固的结合。以这些中的任何方式,电动机332的输出轴337由此经由狗骨式耦接器352与摇臂350耦接,并经由摇臂350进一步耦接到牙刷轴320,形成四连杆机构。
类似于偏心凸轮353,摇臂350可形成有用于关于牙刷轴350平衡摇臂350的额外质量块,以最小化牙刷轴中的不期望的摇晃或振动。如图所示,此额外的质量块可模塑或模制为合适的形式并位于摇臂350上。在所示实施例中,平衡臂362被模制为从摇臂350的主体延伸出。孔口形成在平衡臂362中,以便接收不同密度的额外质量块元件,以便合适地平衡不同配置的牙刷/牙线装置310的摇臂350。
在本实施方式中,摇臂350进一步限定从入口钩370延伸出的流体通路518,其大体平行于牙刷/牙线装置110的纵向轴线定向,并且横跨摇臂350沿横向弯曲,以与轴腔363交叉。被安装在摇臂350的轴腔363内的牙刷轴320可具有有键的流体入口486,其在牙刷轴320的近端或后端的侧壁中形成为与摇臂350内流体通路518的横向分支对齐的切口,由此容许流体从摇臂148的流体通路518流入牙刷轴320的流体管腔452中。在一些实施例中,摇臂350可由模制塑料材料制成。为了模制摇臂350中流体通路518的横向部分,需要模制插入件以提供流体通路518的形状。因此,在放置和移除横向模制插入件处,保持摇臂350的侧壁中的孔口。在这样的实施方式中,塞364可被插入摇臂350侧壁中的孔口中,以密封流体通路518。塞364可由粘合剂固定就位或被超声焊接就位在摇臂350中。
牙刷轴320的外径在基部端314和牙刷端312之间改变。从基部端314开始,牙刷轴320可具有第一直径的摇杆连接结构485,其被配置成位于摇臂350的轴孔口363内。朝向牙刷端312移动,牙刷轴320可具有大于第一直径的第二直径的第一轴承座487a,后部轴承滚圈340被压装在其中。牙刷轴320可具有大于第二直径的第三直径的轴承分离器部段388,其防止后部轴承滚圈340沿远端方向移动。如果需要额外平衡牙刷轴320的话,圆柱形的平衡重物491可进一步被放置在牙刷轴320的轴承分离器部段388周围。牙刷轴320可具有等于第二直径的第四直径的第二轴承座487b,前部轴承滚圈342被压装到其上。第一和第二轴承座487a/b的宽度可大体与轴承滚圈340、342的宽度一致。平衡重物491的长度可短于第一和第二轴承座487a/b之间的距离。
机架324可从偏心帽476延伸出,以支撑牙刷轴320的某些部分。后部轴台447可形成在机架324中,与后部轴承滚圈340的外径对齐并符合其外径。类似地,前部轴台478可形成在机架324的远端处,与前部轴承滚圈342的外径对齐并符合其外径。轴托盘479可形成在机架324中、在后部轴台340和前部轴台342之间,以支撑平衡重物。轴托盘479可符合平衡重物491的外径,或者它可与平衡重物491的外径分开,以确保牙刷轴320具有足够的旋转空隙。
后部轴承支架344可被紧固到机架324(例如,利用螺钉),与后部轴承滚圈340和后部轴台477对齐,以将后部轴承滚圈340保持就位。类似地,前部轴承支架338可通过安装耳片482被紧固到机架324(例如,利用螺钉),与前部轴承滚圈342和前部轴台478对齐,以将前部轴承滚圈342保持就位。在一些实施例中,O形环或类似减震材料可被放置在轴承滚圈340、342周围、在它们和各个轴承支架338、344和轴台477、478之间,以衰减从牙刷轴320传送到壳体316的任何振动或从安装在机架324上的电动机332传送到牙刷轴320的振动。后部轴承支架344可进一步形成有与电路板334的牙刷端312连接的电路板支撑件480(例如,柱),以提供与传动系统336的分开距离。前部轴承座338可进一步形成有围绕牙刷轴320的远端滑动到邻近前部轴承滚圈342的位置的环形靴座484。前部轴承座338的侧壁还可电容器托盘481,以支撑连接到电路板334的牙刷端312的电容器333。
牙刷轴320可具有小于第四直径的第五直径的轴密封部段351,其被裁制为适合配合通过壳体316中的轴孔口并且靴形密封件321被安装在其上。靴形密封件321的基部可连接到前部轴承支架338的靴座484。环形肋493形成在靴形密封件321的内壁上,并且配合在靴座484中的环形凹槽483内,以将靴形密封件321固定到前部轴承支架338。靴形密封件321的直径朝向其远端逐渐减小,从而使得靴形密封件321中的远端孔口520紧密地配合在牙刷轴320上。环形凹槽492也形成在靴形密封件321中,邻近其中放置有密封圈355(例如,黄铜环)的远端孔口520,密封圈用于将靴形密封件321夹持到牙刷轴320的轴密封部段351。
牙刷轴320的一部分向远端延伸通过壳体316中的轴孔口379。牙刷轴320的露出部分限定朝向近端或后端的环形夹具凹槽489和在远端或前端处的对齐末端490。对齐末端490可呈一个或多个平坦的或有键的表面的形式,当牙刷末端325连接到其上时,其可相对于手柄311合适地对齐牙刷末端325。
流体管415从线轴帽410上的流体连接器467延伸到摇臂350的流体端口370。流体管415的基部端314配合在流体连接器467上的连接器钩469上并且被锁定套筒416紧固就位。类似地,流体管415的牙刷端312位于流体端口370上的钩上,并且锁定套筒418固定该连接结构。管夹持件357进一步相对于电池托架326保持流体管415的底部。管夹持件357可被紧固到电池托架326(例如,利用螺钉)并且流体管415被夹持在两者之间。此外,通过振动隔离器356的后面上的隔离器夹持件358将流体管415约束在壳体316内。隔离器夹持件358限定在从振动隔离器356的后面延伸出的两个壁(分开小的间隙)之间的通道。形成振动隔离器356的弹性体材料是柔性的,从而使得振动隔离器356可弯曲,以足够宽地打开振动隔离器356中的间隙,从而将流体管415插入隔离器夹持件358。替代性地,流体管415可在连接到连接器钩469或摇臂350上的流体端口370之前从任一端沿纵向前进通过隔离器夹持件358。
图26-32更详细地描绘了若干个示例性牙刷末端325中的一个。牙刷末端325可容易地连接到从手柄311的牙刷端延伸出的牙刷轴320或与其断开连接。牙刷末端325主要由末端轴423和刷头424组成。末端轴423限定从其中通过并到达刷头424的末端流体通路440。刷头424限定由多个凹槽组成的刷毛基部427,多个刷毛簇327可被插入多个凹槽中并被胶合就位在其中。此外,刷头424限定在刷毛簇327所包围的区域中的刷毛基底427中开口的喷嘴孔口425。彩色环448可附接到末端轴423的基部,以容许牙刷/牙线310的多个使用者容易地确定他们的个人牙刷末端325,以便附接到手柄311。末端轴的基部可限定具有保持沟槽446的凹槽。彩色环448的内壁可限定可咬合到保持沟槽中的许多保持棘爪447,以将彩色环448保持在牙刷末端325的基部周围。
弹性体水喷嘴428位于喷嘴孔口425内并与刷毛基部427垂直地延伸约与刷毛簇327相同的距离。喷嘴428限定流体管腔,大体是圆锥形的,并且直径从其基部向其末端逐渐减小,该基部被接收在喷嘴孔口425中。腔523形成在刷头424后面,以接近喷嘴孔口425并且提供喷嘴孔口425和末端流体通路440之间的流体流连接。腔523可由刷头塞426封闭,刷头塞咬合到限定腔523的侧壁中,并且被超声焊接或以其他方式附接,以提供刷头424中的流体密封。
圆柱形凹槽圈521形成在靠近基部的喷嘴428的侧壁中,因此呈现为凸起圈522。凹槽圈521的外径与喷嘴孔口425的直径大体一致,而凸起圈522的外径大于喷嘴孔口425的直径。当喷嘴428从刷头424后部中的腔523插入喷嘴孔口425中时,凹槽圈521紧密地配合在喷嘴孔口425内并且凸起圈522邻接刷毛基部427的后面,防止在处于压力下时喷嘴428被推动通过喷嘴孔口425。此外,喷嘴插入件429,例如具有后部凸缘的黄铜管,可被插入喷嘴428的基部中,以防止喷嘴428在高水压下弯曲或塌陷并与牙齿接触,由此离开喷嘴孔口425。
对齐座422可从牙刷末端325的基部端314被插入并永久地固定在末端流体通路440内。在所示的示例性实施方式中,对齐座422可大体形成为具有开口侧壁的截锥。顶部环494通过一侧上的对齐肋496和与其横向相对的支撑肋407被联结到较大直径的底部环495。对齐肋496可与限定末端流体通路440内径的末端轴423的侧壁内的相对结构配合,以在插入牙刷轴320之前合适地对齐对齐插入件422。顶部环494限定出口孔口451,用于将流体流从轴出口452传送到末端流体通路440中。底部环495限定用于接收轴末端490的轴孔口452。对齐肋496的内侧与牙刷轴320上的对齐肋490配合,以便将牙刷末端325合适地对齐在牙刷轴320上。
杯形密封件432可在对齐插入件422之后被插入牙刷轴320的末端流体通路440中,并且可相对于对齐插入件422被轴保持件430保持就位。在本示例性实施例中,轴保持件430形成为一系列堆叠的圆柱体,其直径随着它们朝向刷头424延伸减小。轴保持件430限定保持件管腔449,当牙刷末端325位于手柄311上时,牙刷轴320通过该管腔。许多短的、有斜面的保持件柱435从直径最大的基部圆柱体525的侧壁向外延伸。一对压缩狭槽431也形成在基部圆柱体525内。如图27所示,与保持件柱435相对应的许多保持件孔434形成在末端轴423中、靠近其基部端。当基部圆柱体525被插入牙刷末端325中时,压缩狭槽431容许基部圆柱体525略微压缩,从而使得保持件柱435可进入末端轴423的管腔,然后当保持件柱435位于保持件孔434内时再次膨胀,以将轴保持件430保持在末端轴423内。
按钮开口445形成在第二圆柱体526中,靠近延伸通过管腔449的轴保持件430的后侧壁上的基部圆柱体525。夹具狭槽443也形成在第二圆柱体526的侧壁中、按钮开关445上方。夹具狭槽443横向延伸通过轴保持件430并且延伸到前壁外、作为较小的夹具狭槽出口444。夹具狭槽443被配置成将弹簧保持件夹具438保持在其中,以将牙刷末端325固定到牙刷轴320。弹簧保持件夹具438由硬金属线形成,以具有彼此相对相对并在夹具弓442处联结在一起的一对夹具臂441a/b。夹具臂441a/b的自由端各自形成背向另一个开口的反向弯曲部。如图32所示,当被安置在夹具狭槽中时,夹具弓442延伸通过夹具狭槽出口444. 夹具臂441a/b的中间部段保持在前壁中的夹具狭槽内,并且夹具臂441a/b的自由端露出第二圆柱体526外。
夹具狭槽443上方的第二圆柱体526的一些部分、第二圆柱体526上方的第三圆柱体527以及顶部圆柱体528共同限定在轴保持件430的后壁中的杠杆凹槽433。弹性体释放按钮436被安装在末端轴423后侧中的按钮开口529中,其被放置为直接横跨轴保持件430中的按钮开口445。悬臂式夹具杠杆439可在按钮开口529中从其悬挂于的按钮开口529的上缘向下延伸。夹具杠杆439在末端轴423的侧壁内纵向定向并且被配置成在释放按钮436的压力下向内弯曲,然后返回其纵向位置。释放按钮436在其后侧上可具有许多保持特征437,它们与夹具杠杆439和末端轴423上的相应特征接口,以将释放按钮436连接到末端轴423。在一个示例性实施例中,释放按钮436可粘附到夹具杠杆439并且依从地配合在按钮开口529内。
为了将牙刷末端325连接到牙刷轴320,使用者仅需要将牙刷末端325放置在牙刷轴320上并旋转牙刷末端325,直到牙刷轴320的对齐末端490与末端轴423内的对齐插入件422的键表面524配合。然后,使用者需要将牙刷末端325按压到牙刷轴320上,直到弹簧保持件夹具438的横向臂441a/b位于牙刷轴320上的夹具凹槽489内。牙刷轴320的直径沿紧靠夹具凹槽489的斜面边缘增加。弹簧保持件夹具438的臂441a/b沿此边缘横向向外膨胀,然后当超过此斜面边缘时臂441a/b横向向内收缩以嵌在夹具凹槽489内。选择静置时横向臂441a/b之间的分离距离,使其与夹具凹槽489的直径一致。通常,当横向臂441a/b嵌在夹具凹槽489内时使用者可听到可闻的“咔哒”声,从而使得使用者知道牙刷末端325牢固地附接到手柄311。形成弹簧保持器夹具438的金属线的厚度、材料强度和弹性经特别选择,以确保在喷水功能的操作压力下牙刷末端325保持在牙刷轴320上,并且在等于或大于刷毛327的预计寿命的合适次数的循环中在接合和断开牙刷末端325期间可靠地膨胀。
为了从牙刷轴320断开牙刷末端325,使用者仅需下压释放按钮436并将牙刷末端325拉离手柄311。按压释放按钮436会使夹具杠杆439向内弯曲并且在横向臂441a/b的自由端之间推动它。夹具杠杆439的宽度大于横向臂441a/b之间的间隙,因此推开横向臂441a/b。选择夹具杠杆439的宽度,从而使得横向臂441a/b展开得比靠近其中的夹具凹槽489的牙刷轴320的外径更大,从而可从牙刷轴320容易地移除牙刷末端325。
为了操作牙刷/牙线310,可拆卸基部必须附接到手柄311。此外,为了能够执行喷水牙线功能,可拆卸基部318上的入口端口414必须经由流体软管附接到具有泵和储存器的喷水基部单元。通过将弓形流体通道罩460与壳体316中的弓形切口304对齐并且将阀柱459插入线圈轴400的感应端口317中,可将拆卸基部318附接到手柄311。阀柱459和线圈轴400之间的流体密封由配合在阀柱459周围并靠着阀柱的感应端口317中的线圈密封件335提供。当弓形切口304与弓形流体通道罩460对齐时,从线圈轴400延伸出的闩锁脚403将必定与基部帽389中的闩锁狭槽458和闩锁板390中的闩锁孔口306两者对齐并延伸通过两者。使用者可将可拆卸基部318按压到壳体316的底部开口380中,直到壳体的下缘与基板390齐平。这确保压缩弹簧465靠着电池330被压缩,因此推动机架324和传动系统336使其与壳体316成牢固但柔软的安装关系,并且进一步确保闩锁脚403处于合适的位置,以便与闩锁板391上的闩锁指398接合。然后,使用者抓住基部释放杠杆313并抵抗闩锁弹簧392的偏置(当可拆卸基部318未附接到手柄311时,其保持闩锁板处于开口位置)顺时针转动基板391,以将闩锁脚403闩锁在闩锁指398下方并由此将可拆卸基部318连接到手柄311。
当可拆卸基部318附接到手柄311时,下部提升阀394接合上部提升阀412。具体而言,上部提升阀412中的活塞413与下部提升阀394的上表面中的浅凹槽接口。相对于柱孔口462,下部提升阀394被推离密封接口位置,在过程中压缩下部提升阀弹簧393。同时,相对于线轴孔口504,上部提升阀412被推离密封接合位置,在过程中压缩上部提升阀弹簧411。在此位置,从流体入口414至牙刷末端325中的喷嘴428的流体流路径打开。来自水牙线基部单元的流体行进通过流体入口414、通过基部帽389中的流体通道351、通过形成在基板390和基部帽389之间的流体通道396、围绕阀柱459中的下部提升阀394、通过柱孔口504、进入感应端口317、通过线轴孔口504、围绕上部提升阀412、通过流体出口406和形成在线圈轴400和线轴帽410之间的流体腔508、并行进至连接器钩469。然后,流体从连接器钩469传送至并通过流体管415、到达摇臂350中的流体端口370、通过摇臂350中的横向流体通路518、进入牙刷轴320中限定的流体管腔452、离开轴的出口端口453、进入末端流体通路440并最终离开喷嘴428。末端轴423中的杯形密封件432提供牙刷末端325的内部和牙刷轴320的外径之间的流体密封。这防止离开牙刷轴320的流体出口453的流体从牙刷末端325的基部漏出,并迫使流体继续流到刷头324中的腔523。
如前所示,可通过牙刷/牙线310的手柄311中的开关345a/b控制来自基部泵的流体流。开关345a/b还可用于控制牙刷末端325的动作。选择开关345a/b中的一个可以低速或高速启动电动机332。电动机332可以是双速电动机或可变速电动机,电路板334上的微控制器可以离散和受控的水平改变至电动机332的电压,并由此在低和高选项之间改变电动机速度。电动机速度优选是声速,13000RPM至17000RPM,通常可以是15000RPM。
一旦通过开关345a/b启动了电动机332,被固定在偏心凸轮514的轴孔514内的输出轴37就沿单个旋转方向连续旋转,直到开关345a/b被按下,以关闭电动机332并停止其旋转。偏心凸轮353的旋转使狗骨式耦接器352来回移动或振荡,主要沿椭圆形或线性方向。
将狗骨式耦接器352连接到摇臂350的摇杆驱动轴372在狗骨式耦接器352往复运动时在套管368内枢转,但它被固定在摇臂350的驱动器节371内。狗骨式耦接器352的来回或振荡移置使摇臂350围绕穿过牙刷轴320中心的轴线来回枢转。因此,被安装在摇臂358的孔口363中的牙刷轴320围绕牙刷轴320的纵向轴线来回枢转。牙刷轴320的枢转移动使刷头424以声速沿约5度的弧移动。末端轴423中的对齐插入件422被永久地组装到末端轴423的内部并且用于相对于牙刷轴320放置和锁住牙刷末端325。这迫使刷头424遵循牙刷轴320的振荡,并由此产生刷毛簇327的声速移动。
可以明白,手柄311的声速驱动系统可被构造成除上述之外的若干替代性配置。例如,驱动系统可被设计为将输入运动转变为围绕垂直于牙刷轴线的轴线的旋转振荡输出运动。类似地,驱动系统可被设计为将输入运动转变为近似平行于牙刷轴线的轴线上的线性振荡运动。替代性地,驱动系统可被设计为利用将使刷头沿稍微随机的图案移动的振动系统。
当牙刷/牙线310电量不足时,使用者可通过移除可拆卸基部318来为电池组330充电。使用者可抓住基部释放杠杆313并逆时针转动它们,以释放闩锁板390上的闩锁指398和线圈轴400上的闩锁脚402之间的接口,并将可拆卸基部318拉离手柄311。当从手柄311移除可拆卸基部318时,下部提升阀394受迫通过下部提升阀弹簧393密封柱孔口462。这防止来自基部泵的软管中的任何剩余水泄漏,或替代性地,防止在软管仍附接到可拆卸基部318时意外地开启基部单元导致的泄漏。类似地,上部提升阀412受迫通过上部提升阀弹簧411密封线轴孔口504。这防止手柄311中的任何剩余水泄漏。然后可将手柄316放置在感应充电柱(未示出)上,其具有尺寸适于配合在感应端口317内的感应柱。感应柱可被设计为具有在上表面中的中心凹槽,从而不接合上部提升阀412的活塞413并且破坏阻止手柄311内的剩余流体泄漏的密封。
图33A-33C示出了牙刷末端625的另一个示例性实施例。在本实施例中,用于将牙刷末端625连接到牙刷轴的连接结构与图26-32的实施例中相同,利用对齐插入件622、杯形密封件632、轴保持件630和释放按钮636。彩色环648可附接到末端轴623的基部,以容许牙刷/牙线的多个使用者容易地确定他们的个人牙刷末端625,以便附接到手柄311。刷头624的配置是主要差异。末端轴623限定通过其中到达刷头624的末端流体通路640。刷头624限定由多个凹槽组成的刷毛基部637,多个刷毛簇627可被插入多个凹槽中并被胶合就位在其中。此外,圆柱形喷嘴封闭件645从被刷毛簇627包围的区域中的刷毛基部637沿法向延伸至刷毛簇627高度的1/4至1/3。喷嘴封闭件645限定在喷嘴封闭件645的上表面中开口的喷嘴孔口635。
弹性体水喷嘴828位于喷嘴封闭件645内并且向上延伸出喷嘴孔口635约刷毛簇627高度的2/3。喷嘴628限定流体管腔,大体是圆柱形的,并且在其基部处限定杯形凸缘642,凸缘642被接收在喷嘴封闭件645中并保持在其中。喷嘴孔口635的直径略大于凸缘642上方的喷嘴的外径并且小于凸缘642的直径。腔633形成在刷头624的后侧中,以接近喷嘴封闭件645并提供喷嘴封闭件645和末端流体通路640之间的流体流连接。喷嘴封闭件645可在刷毛基部637下方延伸至腔633的底部。如图33B所示,这容许当未进行喷水时喷嘴628下降至刷毛簇627的高度以下并由此不干扰刷牙模式。腔633可由刷头塞626封闭,刷头塞咬合到限定腔633的侧壁中并且被超声焊接或以其他方式粘附,以提供刷头624中的流体密封。
当在手柄上选择喷水功能时,流过末端流体通道640并进入喷嘴封闭件645中的加压水流推动凸缘642并使喷嘴628在喷嘴封闭件645内升高。喷嘴628延伸通过喷嘴孔口635,直到凸缘642的顶部与喷嘴孔口635周围的喷嘴封闭件645的顶部接口,如图33C所示。喷嘴628因此升高至刷毛簇627的高度以上。此延伸的、露出的喷嘴位置为使用者提供必要的反馈,以沿牙龈线准确地定位喷嘴628和流体流。当中断喷水模式时,喷嘴628可在喷嘴封闭件645内下降返回基部或者可用手指或通过对于使用者牙齿的刷牙动作将喷嘴向下推入喷嘴封闭件645中。
图34A和34B示出了牙刷末端725的另一个示例性实施例。在本实施例中,用于将牙刷末端725连接到牙刷轴的连接结构与图26-32的实施例中相同,利用对齐插入件722、杯形密封件732、轴保持件730和释放按钮736。彩色环748可附接到末端轴723的基部,以容许牙刷/牙线的多个使用者容易地确定他们的个人牙刷末端725,以便附接到手柄311。刷头724的配置是主要差异。末端轴723限定通过其中到达刷头724的末端流体通路740。刷头724限定由多个凹槽组成的刷毛基部737的一部分,多个刷毛簇627可被插入多个凹槽中并被胶合就位在其中。第二刷毛基部739可相对于末端轴723分离地形成并且连接到刷毛基部737(例如,通过超声焊接)。此外,圆柱形喷嘴封闭件745相对于第二刷毛基部739的表面平面成钝角地形成在第二刷毛基部739内。喷嘴封闭件745在第二刷毛基部739的表面平面中露出、靠近刷头724的远端末端,处于向远端背离刷毛簇727的位置。喷嘴封闭件745限定在喷嘴封闭件745的上表面中开口的喷嘴孔口735。
弹性体水喷嘴728位于喷嘴封闭件645内并且相对于第二刷毛基部739的表面平面以与喷嘴封闭件745相同的角度向远端延伸出喷嘴孔口735。喷嘴728限定流体管腔,大体是圆柱形的,并且在其基部处限定凸缘742,凸缘742被接收在喷嘴封闭件745中并保持在其中。喷嘴孔口735的直径略大于凸缘742上方的喷嘴728的外径并且小于凸缘742的直径。腔733形成在刷头724的后侧中,以接近喷嘴封闭件745并提供喷嘴封闭件745和末端流体通路740之间的流体流连接。喷嘴封闭件745可在刷毛基部739下方成角度地延伸至腔733的底部。如图34B所示,这容许当未进行喷水时喷嘴628不阻挡刷毛簇627的高度以下并由此不干扰刷牙模式。腔733可由刷头盖726封闭,刷头盖二次成型或被超声焊接在刷毛基部737、739周围,以限定腔733并提供刷头624中的流体密封。
当在手柄上选择喷水功能时,流过末端流体通道740并进入喷嘴封闭件745中的加压水流推动凸缘742并使喷嘴728在喷嘴封闭件745内延伸。喷嘴728延伸通过喷嘴孔口735,直到凸缘742的顶部与喷嘴孔口735周围的喷嘴封闭件745的顶部接口。喷嘴728因此升高,以延伸超过刷头724的远端。当中断喷水模式时,喷嘴728可在喷嘴封闭件745内滑动或下降返回基部或者可用手指或通过对于使用者牙齿的刷牙动作将喷嘴向下推入喷嘴封闭件745中。
图35A和35B示出了牙刷末端825的额外的示例性实施例。在本实施例中,用于将牙刷末端825连接到牙刷轴的连接结构与图26-32的实施例中相同,利用对齐插入件822、杯形密封件832、轴保持件830和释放按钮836。彩色环848可附接到末端轴823的基部,以容许牙刷/牙线的多个使用者容易地确定他们的个人牙刷末端825,以便附接到手柄。刷头824的配置是主要差异。末端轴823限定通过其中到达刷头824的末端流体通路840。刷头824限定由多个凹槽组成的刷毛基部837,多个刷毛簇827可被插入多个凹槽中并被胶合就位在其中。
此外,刷头824限定在靠近刷头824的远端末端、向远端背离刷毛簇827的位置处开口的喷嘴孔口835。弹性体水喷嘴828位于喷嘴孔口835内并且沿与喷嘴孔口835的位置垂直的方向向远端延伸。喷嘴828限定流体管腔,大体是圆锥形的,并且其直径从它的被接收在喷嘴孔口835中的基部至它的末端逐渐减小。腔833形成在刷头824的后侧中,以接近喷嘴孔口835并提供喷嘴孔口835和末端流体通路840之间的流体流连接。腔823可由刷头盖826封闭,刷头盖二次成型或被超声焊接在刷毛基部837周围,以限定腔833并提供刷头824中的流体密封。
圆柱形凹槽圈851形成在靠近基部的喷嘴828的侧壁中,因此呈现为凸起圈842。凹槽圈851的外径与喷嘴孔口835的直径大体一致,而凸起圈842的外径大于喷嘴孔口835的直径。当喷嘴828从刷头824后部中的腔833插入喷嘴孔口835中时,凹槽圈851紧密地配合在喷嘴孔口835内并且凸起圈842邻接刷毛基部827的后面,防止在处于压力下时喷嘴828被推动通过喷嘴孔口835。在一些实施例中,喷嘴插入件(未示出),例如具有后部凸缘的黄铜管,可被插入喷嘴828的基部中,以防止喷嘴828在高水压下弯曲或塌陷并与牙齿接触,由此离开喷嘴孔口835。
所有方向参照用语(例如,近端、远端、上、下、向上、向下、左、右、横向、纵向、前、后、顶、底、上方、下方、竖直、水平、径向、轴向、顺时针和逆时针)都仅用于识别,以帮助阅读者理解本发明,并且不产生限制,具体地,不限制本发明的位置、方位或使用。连接参照用语(例如,附接、耦接、连接和联结)将被广义地解释,并且在一组元件之间可包括中间构件,元件之间包括相对移动,除非另有指示。因此,连接参照用语未必表示两个元件直接连接并相对于彼此固定。示例性附图仅是说明性的,并且可改变本文附图中反映的大小、位置、顺序和相对尺寸。
以上说明书、示例和数据完整地描述了如权利要求所限定的本发明的示例性实施例的结构和使用。尽管上文已经在一定详细程度上或参照一个或多个单独的实施例描述了要求权利的本发明的各种实施例,但是,在不脱离要求权利的本发明的精神或范围的情况下,本领域技术人员可对所公开的实施例进行许多改变。因此,可想到其他实施例。以上描述中包含的和在附图中示出的所有内容都应该被解释为仅说明而非限制特定实施例。在不脱离由所附权利要求限定的本发明的基本要素的情况下可对细节或结构进行改变。
Claims (12)
1.一种具有水牙线特征的牙刷,包括:
手柄,所述手柄在其中限定第一流体管道;
牙刷末端,所述牙刷末端从所述手柄的第一端延伸,并且在所述牙刷末端中限定第二流体管道,所述第二流体管道连接到所述第一流体管道;
刷头,所述刷头被支撑在所述牙刷末端的远端上,其中,所述刷头包括与牙刷轴内的流体管道流体连通的流体出口;
基板,所述基板被可移除地连接到所述手柄的第二端,并且包括流体入口端口,所述流体入口端口被配置成与外部流体源连接并且与所述第一流体管道流体连通;以及
第一阀,所述第一阀被定位在所述流体入口端口和所述第一流体管道之间,并且被配置成当所述基板从所述牙刷被移除时关闭,以及被配置成当所述基板被连接到所述牙刷时打开;
其中,所述第一阀被配置成当所述基板从所述牙刷被移除时关闭所述第一流体管道,以及被配置成当所述基板被连接到所述牙刷时打开所述第一流体管道。
2.如权利要求1所述的牙刷,其中,所述基板还包括流体出口,所述流体出口与所述流体入口端口流体连通,以及当所述基板被附接到所述手柄时还与所述第一流体管道流体连通。
3.如权利要求2所述的牙刷,还包括第二阀,所述第二阀被容纳在所述基板内,并且被配置成当所述基板从所述牙刷被移除时关闭所述基板的流体出口,以及配置成当所述基板被连接到所述牙刷时打开所述流体出口。
4.如权利要求3所述的牙刷,其中,当所述基板被附接到所述手柄时,
所述第二阀被定位成与所述第一阀接口;以及
所述第一阀和所述第二阀通过它们的共同的接口来相互地通向彼此。
5.如权利要求1所述的牙刷,其中,所述流体入口端口被定位在所述基板的相对于所述牙刷的纵向轴线在外侧延伸的侧壁上。
6.如权利要求5所述的牙刷,其中,所述基板限定基本上垂直于所述牙刷的纵向轴线的平坦表面。
7.如权利要求1所述的牙刷,其中,所述基板还包括闩锁机构,所述闩锁机构被配置成与定位在所述手柄的第二端上的相对的闩锁结构可释放地接合。
8.如权利要求3所述的牙刷,还包括,
用于使所述刷头移动的驱动系统;
电连接到所述驱动系统并且给所述驱动系统提供功率的电池;以及
充电结构,所述充电结构电连接到所述电池,被容纳在所述手柄内,并且限定充电端口腔,所述充电端口腔在所述基板移除时被暴露,以便接收感应充电柱。
9.如权利要求8所述的牙刷,其中,当所述基板被附接到所述手柄时,
所述第一阀被定位在所述充电端口腔内;以及
所述充电端口腔形成所述流体通路的一部分。
10.如权利要求9所述的牙刷,其中,
所述基板还包括阀柱,所述阀柱从所述基板的上表面延伸,并且被配置成当所述基板被附接到所述手柄时装配在所述充电端口腔内;
所述阀柱限定流体出口,所述流体出口与所述流体入口端口流体连通,以及当所述基板被附接到所述手柄时还与所述第一流体管道流体连通;以及
所述第二阀被定位在形成于所述阀柱内的腔中。
11.如权利要求10所述的牙刷,还包括密封结构,所述密封结构被定位在所述充电端口腔内,并且被配置成在所述阀柱与限定所述充电端口腔的侧壁之间形成不透流体的密封。
12.如权利要求10所述的牙刷,其中,
所述流体出口包括限定在所述阀柱的表面内的孔口;以及
当所述基板从所述手柄被移除时,所述第二阀密封所述阀柱的表面中的孔口。
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