CN101420895B - 单级旋风式真空清洁器 - Google Patents
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Abstract
本发明涉及一种立式真空清洁器(A),其包括壳体(D)和具有主吸引口(24)的管口基部(C)。壳体枢转地安装在管口基部上。壳体包括气旋分离器(70),该分离器包括脏空气入口(72)和侧壁(76)。分离器的下端(86)紧固至下部裙部(88)。垃圾收集器区部(100)位于分离器下方并且包括侧壁(102)。多孔管(140)布置于分离器内。多孔管包括从所述多孔管的闭合下端离开该闭合下端延伸的护罩(152)。护罩的直径大于分离器的下端的直径。下部裙部和护罩限定用于将空气从分离器引导入垃圾收集器区部的第一空气通道(170)。第一空气通道具有基本上恒定的容积用于维持气流速度。
Description
技术领域
本发明涉及真空清洁器。更具体地,本发明涉及用于从地毯和地板吸引污物和碎屑的单级旋风式真空清洁器。这种真空清洁器可以是立式的、罐式手持的或固定的、构造入壳体中。而且,旋风式设计还用于地毯抽洗机(extractor)和“商店(shop)”式真空清洁器。
背景技术
立式真空清洁器是本领域公知的。两种主要类型的传统真空清洁器是软包真空清洁器和硬壳真空清洁器。在硬壳真空清洁器中,真空源产生将污物从被清洁的地毯或地板通过吸引口拉入容纳在真空清洁器的硬壳上部内的过滤包或污物杯所需的吸引力。真空清洁器在多次使用之后,过滤包必须更换或污物杯必须排空。
为了避免需要真空过滤包,以及更换过滤包相关的费用和不便之处,另一种类型的立式真空清洁器利用旋风气流和一个或多个过滤器,而非可更换的过滤包,以将污物和其它颗粒从吸引气流中分离。这种过滤器很少需要更换。
虽然一些现有技术的旋风气流真空清洁器设计和构造是可接受的,但是这种真空清洁器仍然需要继续改进和替代设计。例如,希望简化组件和改进过滤和污物移除。
于是,本发明提供了一种全新且改进的具有单级旋风式气流设计的立式真空清洁器,其克服了现有技术设计的某些困难同时提供了更好且更有利的总体结果。
发明内容
根据本发明的一个方面,提供了一种立式真空清洁器。该立式真空清洁器包括壳体以及具有主吸引口的管口基部。壳体枢转地安装至管口基部。壳体包括气旋分离器,该分离器包括脏空气入口和侧壁。分离器的下端紧固至下部裙部。垃圾收集器区部位于分离器下方并且包括侧壁。多孔管位于分离器内。多孔管包括从所述多孔管的闭合下端离开该闭合下端延伸的护罩。护罩的直径大于分离器下端的直径。下部裙部和护罩限定用于将空气从分离器引导入垃圾收集器区部的第一空气通道。第一空气通道具有基本上恒定的容积用于维持气流速度。
根据本发明的另一个方面,一种立式真空清洁器包括具有纵向轴线的壳体以及具有主吸引口的管口基部。壳体枢转地安装在管口基部上。气流吸引源安装至壳体和管口基部之一,用于选择性地建立并且维持从管口主吸引口流动至吸引源的排出口的吸引气流。污物杯选择性地安装至壳体。气旋分离器安装至壳体。分离器包括脏空气入口和从第一直径的上端至比第一直径小的第二直径的下端逐渐变小的侧壁。侧壁具有外表面和内表面。侧壁的外表面形成真空清洁器的至少一部分外表面。壳体的纵向轴线延伸通过分离器。
根据本发明的又一个方面,一种立式真空清洁器包括具有吸引气流入口和吸引气流出口的壳体。污物容器组件选择性地安装至壳体用于接收并且保持污物和垃圾与吸引气流分离。吸引气流入口和吸引气流出口分别与污物容器组件的入口和出口流体相通。气流吸引源安装至壳体。吸引源与污物容器组件的出口相通。污物容器组件包括气旋分离器,该分离器包括脏空气入口和具有外表面与内表面的侧壁。至少一个支撑肋从分离器的外表面向外延伸用于支撑分离器。
根据本发明的再一个方面,一种立式真空清洁器用的污物容器组件包括单个大致截头圆锥形气旋分离器,该分离器包括脏空气入口和侧壁。多孔管布置于分离器内并且包括从所述多孔管的闭合下端离开该闭合下端延伸的护罩。护罩具有向外扩口区部以及从扩口区部向下延伸的凸缘。垃圾收集器区部位于分离器下方并且包括侧壁。护罩的凸缘与垃圾收集器区部的侧壁大致平行。
从对于下述数个实施例的具体描述的阅读和理解之上,本发明的其它方面将变得很明显。
附图说明
本发明可在某些部件和部件的布置中采取实物形态,其几个实施例将在本说明书中详细描述并且在构成本公开一部分的附图中示出。
图1是示出根据本发明第一实施例的单级旋风式真空清洁器的正面透视图;
图2是图1所示真空清洁器的后面透视图;
图3是图1所示真空清洁器的正视图;
图4是大致沿着图3所示真空清洁器的截面线A-A截取的横截视图;
图5是用于图1所示真空清洁器的污物容器组件放大的正面透视图;
图6是图5所示污物容器组件的后面透视图;
图7和8是图5所示污物容器组件沿着大致彼此正交的线截取的横截视图;
图9是示出根据本发明第二实施例的单级旋风式真空清洁器的正面透视图;
图10是图9所示真空清洁器的后面透视图;
图11是图9所示真空清洁器的横截视图;
图12是用于图9所示真空清洁器的污物容器组件放大的正面透视图;和
图13是图12所示污物容器组件的横截视图。
具体实施方式
当然,应当理解到,这里的描述和附图仅是示例性的并且在不脱离本发明范围和精神之下能对所公开的结构做出各种变型和变化。同样的附图标记在几个附图中指的是同样的部件。还应当明白,这里公开的真空清洁器各个标识的部件仅是可随着制造商不同而变化的技术术语并且不应当限制本发明。虽然本发明就立式真空清洁器进行讨论,但是其还能适合于与多种其它家用清洁设备一起使用,比如抽洗式地毯机、裸露地板清洁器、“商店”型清洁器、罐式清洁器、手持清洁器和内建单元。而且,该设计还能适合于与逐渐广泛使用的机器人单元一起使用。
现在参照附图,其中附图仅示出了本发明的优选实施例而不是要对本发明进行限制。图1-3示出了直立式单级真空清洁器A,其包括电机和风扇单元B、管口基部C、以及经由常规手段安装在电机和风扇组件的顶部上的污物容器组件D。电机和风扇单元B以及管口基部C通过使用耳轴或另一适合的铰接组件的枢转地或铰接地连接,以使得包括污物容器组件D的电机和风扇组件在大致竖直的存储位置(如所示)和倾斜的使用位置之间枢转。管口基部C和部分污物容器组件D可由常规材料制成,比如模塑塑料等。手柄20从污物容器组件向上延伸,由此真空清洁器A的操作者能抓住和操纵该真空清洁器。
在真空操作过程中,管口基部C行进通过地板、地毯或其它待清洁的下方表面。如图4所示,管口基部的下侧包括形成于其中的主吸引口24。该吸引口24可在管口前端处大致延伸过管口的宽度。如已知的,主吸引口通过导管(其能是中心污物通道26)与污物容器组件D流体相通。中心污物通道包括第一区部30和第二区部(在图4中不可看到但是在图10的可选实施例中示出),第一区部30的纵向轴线与污物容器组件的纵向轴线大致平行,第二区部将空气切向地引导进入污物容器组件。
继续参照图4,连接器软管组件,比如在36处,将来自主吸引口的气流流体地连接至中心污物通道。旋转刷组件40位于管口主吸引口24的区域中,用于接触并且擦洗真空的表面以松动嵌含的污物和垃圾。多个辊子、脚轮或轮子44、46将管口基部C支撑于清洁的表面上并且便于其移动通过表面。电机和风扇组件B安装至可释放地支撑污物容器组件D的基部元件50。锁闭组件52能安装至基部元件用于将污物容器组件紧固至此。
如图4所示,电机和风扇组件B能容纳于安装至基部元件50的电机壳体60内。电机和风扇组件通过在吸引口形成吸引力和在排出口形成排出力产生用于清洁操作所需的吸引气流。电机和风扇组件气流排出口能与覆盖排出管(不可看到)的排出格栅62流体相通。如果期望,可设置末级过滤器组件以过滤排出任何污染物(其能刚好在排入大气层之前已经被吸入电机组件)的气流。另一方面,电机组件吸引口与真空清洁器A的污物容器组件D流体相通以在其中产生吸引力。
参照图5和6,污物容器组件D包括单个大致截头圆锥形的气旋分离器70和脏空气入口导管72。分离器包括具有外表面和内表面的侧壁76。导管72具有与中心污物通道26流体相通的入口区部和与分离器的脏空气入口流体相通的出口区部。分离器的脏空气入口能是大致矩形横截面。应当明白,出口区部能具有借助于文丘里效应(其增加气流的速度并且在分离器脏空气入口中产生增大的真空)允许气流被拉入分离器70的变化尺寸。例如,脏空气入口导管72能包括减小的横截面面积。可选地,脏空气导管能从矩形横截面面积转变为文丘里型排出口。
如图2最好地示出,侧壁76的外表面形成真空清洁器的至少一部分外表面。分离器的上端80紧固至上部倒裙部84并且分离器的下端86紧固至下部裙部88。至少一个加强肋90能从所述分离器70的外表面向外延伸用于支撑分离器。在所述实施例中,四个等距地隔开的加强肋90从分离器的外表面大致向外延伸。然而,应当明白,多于或少于四个的加强肋能用来支撑分离器。每个肋能与分离器70整体地形成或成为单体。例如,分离器能由适合的热塑料材料模塑。
进入分离器70的气流是切向的,其引起旋涡类型的气旋或回旋流。这种旋涡流由分离器的顶壁94在分离器中向下引导。分离器70中的气旋动作从吸入气流中移除包含的垃圾和污物并且使垃圾和污物沉积于垃圾收集器区部或污物杯100中。如图7和8所示,下部裙部88紧固至污物杯的壁102的上部。尤其,下部裙部包括具有多个外部凸台106的环形凸缘104。每个凸台包括与位于污物杯的凸缘112上的开口(未示出)重合的开口108。开口接收将下部裙部88紧固至污物杯100的常规紧固件。污物杯100和分离器70能由透明材料制成以使得能看到污物容器组件D中污物的存在。
污物杯110的壁102大致以锐角朝着枢转地紧固至污物杯壁102的下部的底板或盖120向内延伸。底盖可用于污物杯的清空。底盖能包括上升区部或突起124。铰接组件128能用于将底盖安装至污物杯的底部。铰接组件允许底盖选择性地打开以使得由分离器70从气流分离的污物和垃圾颗粒能从污物容器组件D清空。可与铰接组件完全相对地定位的锁闭组件130能将盖保持在闭合位置。通常,锁闭组件将盖保持在闭合位置。
继续参照图7和8,在分离器70内布置多孔管140,多孔管140从分离器的顶壁94纵向地延伸。在本实施例中,多孔管具有与分离器和污物杯的纵向轴线一致的纵向轴线从而产生中心空气路径;尽管,应当明白,各个轴线可彼此隔开。多孔管包括圆柱形区部142。多个开口或孔眼144位于圆柱形区部的一部分圆周上。开口用于从流入多孔管的气流中移除线或纤维。如所期待的,开口144的直径和多孔管140内这些开口的数量直接影响发生在污物杯内的过滤处理。而且,附加的开口导致更大的总开口面积并且因此通过每个开口的气流速度降低。因此,存在着较小的压降,并且较轻的垃圾和污物颗粒将不大可能堵塞开口。开口144用作分离器70的出口。
多孔管的上端146安装至从上部倒裙部84向下延伸的嘴148。尤其,多孔管的上端具有比上部倒裙部的嘴的外径要大的内径以使得嘴接收于上端中。这两个元件能通过粘合、摩擦焊接等紧固在一起。能明白,为了清洁的目的,多孔管能制作为可从污物容器组件移除。
连接至多孔管的下部闭合端150的是护罩152,用于阻止已经落入分离器70的下端86以下的污物和垃圾颗粒的向上流动。护罩具有向外扩口区部160和从扩口区部向下延伸的凸缘162。如图7和8最好地示出,护罩的直径,尤其是向外扩口区部的端部,大于分离器下端86的直径并且污物杯100的内径显著大于分离器下端的直径。这防止了由于气流从污物杯100朝着多孔管的开口144流动而使污物被拾取。与下部裙部88大致平行的护罩152的扩口区部160和下部裙部限定了用于将空气从分离器引入污物杯100的第一空气通道170。与污物杯壁102大致平行的护罩凸缘162和污物杯限定了用于将空气从分离器引入污物杯100的第二空气通道172。第一空气通道和第二空气通道具有基本上恒定的容积,用于维持气流速度。而且,第一空气通道的容积大致等于第二空气通道的容积。
层流元件,比如一个或多个挡板或翼片176,安装至多孔管140的闭合下端150。层流元件的至少一部分由护罩152围绕。层流元件大致沿着多孔管的纵向轴线延伸并且部分地进入污物杯100。如图7和8所示,所示挡板176能是十字形状并且包括交叉叶片组件,其能由两个大致互相垂直地定向的平状叶片零件构成。应当明白,挡板176不限于图7和8所示的构造而是可由多种形状形成。例如,如果使用叶片,在从其侧面观察时其能是矩形形状、三角形形状或椭圆形形状。而且,除了交叉叶片设计,其它设计也是预期的。这种设计能包括以彼此正交以外的角度定向或使用多于两组的叶片。这些挡板能有助于允许污物和垃圾颗粒从多孔管下端150和污物杯100的底盖120之间的气流中落下。
再次参照图4,多孔管140的上端或空气出口180与位于分离器70上方的上部倒裙部84的嘴148流体相通。上部倒裙部84在气流已经由分离器清洁并且流动通过多孔管之后收集气流。裙部引导清洁后的空气通过部分地容纳于上部裙部和旋流分离器盖(cyclone cover)184中的过滤器(比如两级过滤器元件182),用于过滤残留于离开分离器的气流中的任何残留细碎垃圾。在这个实施例中,两级过滤器元件182包括至少一个泡沫过滤器。这种过滤器可以是用粗泡沫层200和细碎泡沫层202组合的元件,至少部分地容纳于上部裙部和盖中。如果期望,这两个泡沫过滤器能通过常规手段彼此固定。在它们下游可以是容纳于盖中的褶式过滤器(pleated filter)204,比如HEPA过滤器。通过在盖184中容纳褶式过滤器,无需附加的过滤器增压系统,并且泡沫过滤器与褶式过滤器隔开。通过移除将两级过滤器元件与褶式过滤器分开的分离器盖能容易地维护两级过滤器元件182和褶式过滤器204。过滤器的这种分开防止在维护期间垃圾从两级过滤器元件传送至褶式过滤器。
再次参照图5和6,分离器盖184可装卸地安装至上部倒裙部84。尤其,上部裙部包括多个外部凸台186,每个凸台包括与位于盖的环形凸缘190上的开口(图7)重合的开口188。开口接收将盖附着至上部裙部的常规紧固件。应当明白,盖能铰接地安装至上部裙部以提供通路至多孔管、分离器和过滤器组件,用于清洁。
如图7和8所示,分离器盖184收集来自上部裙部84以及过滤器182和204的清洁后气流并且将清洁后气流汇合入与电机和风扇组件B的入口流体相通的清洁后空气出口导管210。盖还包括手柄214,用于使垃圾容器组件D的操作容易。
在操作中,夹带污物的空气通过相对于分离器的侧壁76大致成切线定向的导管72的入口区部进入分离器70。空气然后行进通过整个分离器,在分离器中,夹带在空气中的许多颗粒在离心力的作用下沿着分离器的侧壁的内表面行进并且由于重力从旋转气流中落下。这些颗粒分别行进通过第一和第二空气通道170、172,并且收集于污物杯100中。然而,较轻的细碎垃圾较少地经受离心力。因此,细碎垃圾可包含于在污物杯的底部附近循环的气流中。由于挡板176延伸入污物杯的底部,循环气流撞击挡板并且停止进一步旋转,从而形成层流。另外,如果期望,从污物杯110的壁102的底部向内延伸的可以是层流元件,其进一步防止污物杯的底部中的空气的旋转。因此,也允许包含于空气中的大多数细碎垃圾落下。被部分清洁的空气行进通过多孔管140的开口144,进入上部裙部84,并且通过过滤器182、204到达与电机和风扇组件B的空气入口流体相通的清洁后空气出口210。为了清洁污物杯100并且移除被单级气旋分离器分离的污物,污物容器组件D被提升远离真空清洁器A并且底盖120被枢转打开。铰接组件128允许底盖选择性地打开以使得从气流分离的污物和垃圾颗粒能从污物容器组件D清空。
与上述实施例类似,污物容器组件的另外实施例在图9至13中示出。由于大部分结构和功能基本上相同,具有单个后缀(`)的参考附图标记表示相同部件(例如,分离器70用参考附图标记70`表示),并且新的附图标记标识另外实施例中新的部件。
在这个实施例中,如图11所示,污物容器组件D`包括与分离器70`间隔开并且至少部分地包围分离器70`的容器250。该容器包括具有外表面和内表面的侧壁252。容器侧壁的外表面形成所述真空清洁器的外表面。虽然未示出,至少一个支撑肋能从分离器的外表面72`向外延伸并且接触容器侧壁的内表面。
容器250能通过常规手段适当地紧固至分离器。参照图13,在这个实施例中,容器的上端紧固至上部倒裙部84`并且容器的底端紧固至下部裙部88`。尤其,容器的相应端部的尺寸设计为在其中摩擦地接收相应的裙部,从而在容器和分离器之间形成密封。然而,应当明白,容器的下端和上端能分别安装至污物杯100`和分离器盖184`。
类似于第一实施例,多孔管140`在分离器70`内纵向地延伸。多孔管的上端146`安装至从上部倒裙部84`向下延伸的嘴148`。连接至多孔管的下部闭合端150`的是护罩260和挡板280,用于阻止已经落到分离器70`以下的污物和垃圾颗粒的向上流动。从图13和8的比较中应当明白,挡板280和176具有不同的几何形状。护罩260具有向外扩口区部263以及从扩口区部向下延伸的凸缘264。如图13中最好地示出,向外扩口区部的端部的直径大于分离器下端86`的直径。与下部裙部88`大致平行的扩口区部262和下部裙部限定了用于将空气从分离器引导入污物杯100`的第一空气通道270。与污物杯壁102`大致平行的护罩凸缘264与污物杯壁限定了用于将空气从分离器引导入污物杯的第二空气通道272。第一空气通道和第二空气通道具有基本上恒定的容积,用于维持气流速度。第一空气通道的容积大致等于第二空气通道的容积。
至于第二实施例的使用和操作的方式进一步描述,这从相对于第一实施例的上述描述中应该很明显。因此,没有提供关于使用和操作的方式的进一步描述。
在又一实施例(未示出)中,电机和风扇组件包括紫外线(UV)杀菌光源和第二褶式过滤器,比如HEPA过滤器。UV光不安装于分离器盖中,因为泡沫过滤器对于UV-C射线通常是敏感的并且倾向于分解。HEPA过滤器在将气流排入大气层之前过滤任何残余污染。UV光源产生能发出足以毁灭细菌和病毒的辐射的磁场或电场。UV光源优选地布置于邻近HEPA过滤器以使得UV光源能照射在过滤器上。已经证明了捕获于过滤器中或过滤器上的细菌、真菌和/或病毒的驻留时间大到足以暴露至将毁灭微生物或抑制其再生能力的UV光源。UV光源能电连接至给电机和风扇组件提供动力的相同电源。
本发明已经参照优选实施例进行了描述。明显地,在阅读和理解前面具体描述之上,能对其它做出变型和改变。本发明应当构造为包括所有这样的变型和改变,只要它们落入所附权利要求或其等同概念的范围之内。
Claims (7)
1.一种立式真空清洁器,其包括:
壳体;
包括主吸引口的管口基部,所述壳体枢转地安装至所述管口基部;
所述壳体包括:
包括脏空气入口和侧壁的气旋分离器,所述分离器的下端紧固至下部裙部;
位于所述分离器下方的垃圾收集器区部,该垃圾收集器区部包括侧壁;以及
位于所述分离器内的多孔管,所述多孔管包括从所述多孔管的闭合下端离开该闭合下端延伸的护罩,其中所述护罩的直径大于所述分离器下端的直径,并且,所述下部裙部和所述护罩限定用于将空气从所述分离器引导入所述垃圾收集器区部的第一空气通道,所述第一空气通道具有基本上恒定的容积用于维持气流速度。
2.根据权利要求1的真空清洁器,其中所述护罩和所述垃圾收集器区部侧壁限定用于将空气从分离器引导入所述垃圾收集器区部的第二空气通道,其中所述第二空气通道具有基本上恒定的容积用于维持气流速度。
3.根据权利要求2的真空清洁器,其中所述第一空气通道的所述容积大致等于所述第二空气通道的所述容积。
4.根据权利要求1的真空清洁器,还包括从所述多孔管的闭合下端离开该闭合下端延伸的层流元件,其中所述层流元件的至少一部分由所述护罩围绕。
5.根据权利要求1的真空清洁器,其中所述多孔管在分离器内纵向地延伸并且包括:
上端,所述上端安装至从所述分离器的上端向下延伸的嘴,以及
布置于所述管的侧壁中的多个小孔。
6.根据权利要求1的真空清洁器,其中所述垃圾收集器区部的直径显著大于所述分离器的所述下端的直径。
7.根据权利要求1的真空清洁器,还包括过滤器组件,所述过滤器组件至少部分地容纳于可装卸地紧固至分离器的顶部的盖中并且包括至少一个泡沫层和褶式过滤器。
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-
2006
- 2006-05-18 US US11/436,798 patent/US7632324B2/en active Active
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2007
- 2007-05-18 GB GB0823126A patent/GB2452006B/en not_active Expired - Fee Related
- 2007-05-18 MX MX2008012688A patent/MX2008012688A/es not_active Application Discontinuation
- 2007-05-18 GB GB1109180A patent/GB2478462B/en not_active Expired - Fee Related
- 2007-05-18 CN CN201210080582.XA patent/CN102783928B/zh active Active
- 2007-05-18 EP EP07794953A patent/EP2034875A2/en not_active Withdrawn
- 2007-05-18 CA CA002652545A patent/CA2652545A1/en not_active Abandoned
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- 2007-05-18 GB GB1113209.9A patent/GB2480563B/en not_active Expired - Fee Related
- 2007-05-18 DE DE112007001163T patent/DE112007001163T5/de not_active Withdrawn
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GB201109180D0 (en) | 2011-07-13 |
EP2034875A2 (en) | 2009-03-18 |
GB2452006B (en) | 2011-07-20 |
US7632324B2 (en) | 2009-12-15 |
DE112007001163T5 (de) | 2009-04-16 |
US20070266678A1 (en) | 2007-11-22 |
MX2008012688A (es) | 2008-10-15 |
CA2652545A1 (en) | 2007-11-29 |
WO2007136675A2 (en) | 2007-11-29 |
GB201113209D0 (en) | 2011-09-14 |
CN102783928A (zh) | 2012-11-21 |
GB2452006A (en) | 2009-02-18 |
GB0823126D0 (en) | 2009-01-28 |
GB2480563B (en) | 2012-01-11 |
GB2478462B (en) | 2011-11-30 |
GB2480563A (en) | 2011-11-23 |
CN102783928B (zh) | 2016-02-10 |
GB2478462A (en) | 2011-09-07 |
WO2007136675A3 (en) | 2008-04-03 |
CN101420895A (zh) | 2009-04-29 |
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