CN103006150B - 吸尘器上的多级旋风分离器 - Google Patents
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Abstract
<b>一种吸尘器用多级旋风分离器,包括内部形成上游分离室的上游旋风筒、至少一个内部形成下游分离室的下游旋风筒,上游分离室在上部与一进风通道相连通,上游旋风筒内开设有上游出风导流口,下游旋风筒上开设有下游进风口,且内部有下游出风导流口。上游旋风筒位于一外筒体内,进风通道的入口位于外筒体上或延伸至外筒体之外。外筒体内还设置有隔离罩,隔离罩内形成次级集灰室,在隔离罩的外壁与外筒体之间形成初级集灰室。在上游旋风筒的底部靠近其侧壁处沿其圆周方向开设有弧形的甩灰口,该甩灰口整体处于隔离罩的外侧,初级集灰室与甩灰口相连通;下游旋风筒的底部开设有下游出灰口,该下游出灰口位于隔离罩的内侧并与次级集灰室相连通。</b>
Description
技术领域
本发明涉及一种吸尘器用除尘装置,特别是一种多级旋风分离器。
背景技术
现有技术中,吸尘器用的多级旋风分离器包括上游旋风分离筒和下游旋风分离筒,有些产品中,下游旋风筒有多个且围绕上游旋风筒均匀分布,上游旋风分离器的下方形成有初级集灰室,用于收集经上游旋风分离器分离出的大灰,下游分离器的下方形成有次级集灰室,用于收集下游分离器分离出的细灰,次级集灰室处于初级集灰室外侧,而这种初级集灰室在内侧、次级集灰室在外侧的方式存在的问题是初级集灰室的容积比较小,而落入初级集灰室的大灰体积又比较大,导致在吸尘器工作的时候初级集灰室很容易满,影响吸尘器的持续吸灰能力。
发明内容
针对上述问题,本发明提供一种吸尘器用多级旋风分离器,其除尘效率高且持续吸灰的能力强。
为解决上述技术问题,本发明采用的技术方案为:一种吸尘器用多级旋风分离器,它包括内部形成上游分离室的上游旋风筒、至少一个内部形成下游分离室的下游旋风筒,上游分离室在上部与一进风通道相连通,上游旋风筒内开设有上游出风导流口,下游旋风筒上开设有下游进风口,且内部有下游出风导流口,上游出风导流口与下游进风口之间形成用于将两者连通的风道。该多级旋风分离器还包括外筒体,上游旋风筒位于外筒体内,且进风通道的入口位于外筒体上或延伸至外筒体之外。外筒体内还设置有隔离罩,隔离罩内形成次级集灰室,在隔离罩的外壁与外筒体之间形成初级集灰室。在上游旋风筒的底部开设有甩灰口,该甩灰口整体处于隔离罩的外侧,初级集灰室位于甩灰口的下方并与甩灰口相连通;下游旋风筒的底部开设有下游出灰口,该下游出灰口位于隔离罩的内侧并与次级集灰室相连通。经过上游旋风筒分离出的大灰落在位于外侧的初级集灰室内,经过下游旋风筒分离出的细灰落在位于内侧的次级集灰室中,初级集灰室与次级集灰室通过隔离罩分隔开。
在某些特定实施例中,下游旋风筒构造为下部呈由上至下逐渐变细的锥形,且下游旋风筒的下部安排位于上游旋风筒的旁侧,上部位于上游旋风筒的上方。这种构造使得整个分离器的内部各部件的分布更合理、结构更加紧凑。
在某些更优选的实施例中,下游旋风筒有多个,且多个下游旋风筒沿一圆周方向排布,该圆周的轴心线与外筒体的轴心线相重合,上游旋风筒的轴心线则偏离外筒体的轴心线一段距离。
优选地,隔离罩的上端分别与上游旋风筒的底面和下游旋风筒的外壁相接,下游旋风筒的下部处于隔离罩内。
优选地,甩灰口靠近下游旋风筒侧壁,且沿下游旋风筒的圆周方向开设,甩灰口呈弧形。
在某些特定实施例中,下游旋风筒的底端面为倾斜的,其倾斜方向为自其离隔离罩的纵向中轴线由近及远的方向逐渐向下倾斜,下游出灰口开设于该倾斜的底端面上,下游出灰口斜对着次级集灰室的纵向中轴线。底端面的倾斜,使得开设于下游旋风筒底部的下游出灰口倾斜,这使得由下游旋风筒分离出的灰尘沿着朝向隔离罩内侧的方向甩出,更能提高分离灰尘的效率。
在某些更优选的实施例中,一垂直于下游旋风筒的底端面的直线与隔离罩的纵向中轴线之间构成一夹角Q,其中Q大于0小于90度。
更进一步地,Q优选大于45度小于60度。
优选地,上游旋风筒内具有带锥形栅格的空心柱,该空心柱的内腔构成与上游出风导流口相连通的上游排风通道。
本发明采用以上结构,由于用于收集大灰的初级集灰室位于外侧,收集细灰的次级集灰室位于内侧,因而初级集灰室的容积可以相对地比较大,而次级集灰室的容积可以相对地比较小,这正符合大灰量多体积大、细灰量少且体积小的合理分配需求。这使得分离器内的集灰室不容易满,可持续高效吸灰的时间比较长。
附图说明
附图1为根据本发明的一实施例的旋风分离器的侧视图;
附图2为图1所示旋风分离器的沿图1中A向的视图;
附图3为图2中D-D方向的剖视图;图1-3中所示的旋风分离器都是倾斜放置的,这是为了与实际应用时的斜躺状态相匹配,以利于更贴切地展示根据本发明实施的旋风分离器的构造;
附图4为图3中B-B方向的剖视图;
附图5为图3中C-C方向的剖视图;
其中:10、外筒体;101、初级集灰室;11、上盖;110、出风口;111、提手;12、进风通道;20、上游旋风筒;201、上游分离室;21、空心柱;211、锥形栅格;22、甩灰口;23、上游出风导流口;30、下游旋风筒;301、下游分离室;31、下游进风口;32、下游出灰口;33、下游出风导流口;40、隔离罩;401、次级集灰室。
具体实施方式
下面将结合附图对本发明的发明内容用一种优选实施例来作详细阐述。
结合参照图1和图2,图示的多级旋风分离器包括外筒体10,外筒体10上开有一缺口,自该缺口向外筒体10内延伸形成下面将要介绍的进风通道12。
外筒体10上设置一上盖11,上盖11上带有一提手111,以便于提携,上盖11上开设一出风口110,用于与吸尘器的负压源相连。
参见图3,图中反映了多级旋风分离器的内部结构,该旋风分离器包括内部形成上游分离室201的上游旋风筒20、至少一个内部形成下游分离室301的下游旋风筒30,上游旋风筒20位于外筒体10内。上游分离室201在上部与上面提及的进风通道12相连通,进风通道12的入口除了上面所述的位于外筒体10的方式之外,还可以延伸至外筒体10之外。上游旋风筒20内开设有上游出风导流口23,下游旋风筒30上开设有下游进风口31,且内部有下游出风导流口33,上游出风导流口23与下游进风口31之间形成用于将两者连通的风道。
上游旋风筒20内具有带锥形栅格211的空心柱21,该空心柱21的内腔构成与上游出风导流口23相连通的上游排风通道
此外,外筒体10内还设置有隔离罩40,在图3所示的优选实施例中,隔离罩40的上端分别与上游旋风筒20的底面和下游旋风筒30的外壁相接,下游旋风筒30的下部处于隔离罩40内。隔离罩40内形成次级集灰室401,在隔离罩40的外壁与外筒体10之间形成初级集灰室101,上游旋风筒20的底部靠近其侧壁处沿其圆周方向开设有弧形的甩灰口22,该甩灰口22整体处于隔离罩40的外侧,初级集灰室101位于甩灰口22的下方并与甩灰口22相连通;下游旋风筒30的底部开设有下游出灰口32,该下游出灰口32位于隔离罩40的内侧并与次级集灰室401相连通。
根据以上描述的结构,该多级旋风分离器的工作步骤是:带有灰尘的气流经过进风通道12进入上游分离室201内,在上游分离室201内经旋风分离后,大多数灰尘从甩灰口22甩出,落入初级集灰室101中,带有少量细灰的气流自上游出风导流口23排出接着自下游进风口31进入下游旋风筒30中,在下游旋风筒30的下游分离室301中带灰气流再次经过旋风分离,分离出的细灰自下游出灰口32掉出而进入次级集灰室401中,干净的气流自下游出风导流口33排出,并最终经过出风口110而进入吸尘器的负压源。
结合参照图4-5所示,在优选的实施例中,下游旋风筒30有多个,各个下游旋风筒30上所开设的下游进风口31最好均处在靠近上游旋风筒20的上游出风导流口23的一侧,以便尽量平均地进行分风,即自上游旋风筒20排出的气流尽量平均地进入各个下游旋风筒30。
更优选地,各下游旋风筒30沿一圆周方向排布,该圆周的轴心线与外筒体10的轴心线相重合。在这种方式下,上游旋风筒20可以按照图3-5所示的那样,偏离于外筒体10的纵轴线设置,以便更合理地布置上游旋风筒20和多个下游旋风筒30。
从图3中可以看出,在本实施例中,下游旋风筒30的下部呈由上至下逐渐变细的锥形,下游旋风筒30的下部位于上游旋风筒20的旁侧,且下游旋风筒30的上部位于上游旋风筒20的上方。锥形筒是旋风分离器中已经被大量采用的部件,因此,在此不对其功效及优点作详细说明。而在空间布局上,将下游旋风筒30的较细的部分和上游旋风筒20几乎并排地放置,而下游旋风筒30的较粗的部分则放置于上游旋风筒20的上方,这样更利于结构的紧凑安排。
参照图3所示,优选地,下游旋风筒30的底端面可以设置为倾斜的,其倾斜方向为自其距离隔离罩40的纵向中轴线由近及远的方向逐渐向下倾斜。图3中采用断点线绘出一垂直于下游旋风筒30的底端面的直线,该直线与隔离罩40的纵向中轴线之间构成一夹角Q,Q应大于0小于90度,优选大于45度小于60度。将下游旋风筒30的底端面倾斜设置的目的是为了让开设在底端的下游出灰口32倾斜导向,也就是说,自下游出灰口32排出的细灰呈倾斜并偏向隔离罩40的纵向中轴线的趋势掉落,以便更高效地排出灰尘。
上述实施例只为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰,都应涵盖在本发明的保护范围之内。
Claims (5)
1.一种吸尘器上的多级旋风分离器,它包括内部形成上游分离室(201)的上游旋风筒(20)、至少一个内部形成下游分离室(301)的下游旋风筒(30),所述上游分离室(201)在上部与一进风通道(12)相连通,所述上游旋风筒(20)内开设有上游出风导流口(23),所述下游旋风筒(30)上开设有下游进风口(31),且内部有下游出风导流口(33),所述上游出风导流口(23)与下游进风口(31)之间形成用于将两者连通的风道,其特征在于:该多级旋风分离器包括外筒体(10),所述上游旋风筒(20)位于外筒体(10)内,进风通道(12)的入口位于外筒体(10)上或延伸至外筒体(10)的外侧,所述外筒体(10)内还设置有隔离罩(40),隔离罩(40)内形成次级集灰室(401),在隔离罩(40)的外壁与外筒体(10)之间形成初级集灰室(101),在上游旋风筒(20)的底部开设有甩灰口(22),该甩灰口(22)整体处于隔离罩(40)的外侧,初级集灰室(101)位于甩灰口(22)的下方并与甩灰口(22)相连通;所述下游旋风筒(30)的底部开设有下游出灰口(32),该下游出灰口(32)位于隔离罩(40)的内部并与次级集灰室(401)相连通,下游旋风筒(30)的下部呈由上至下逐渐变细的锥形,下游旋风筒(30)的下部位于上游旋风筒(20)的旁侧,且下游旋风筒(30)的上部位于上游旋风筒(20)的上方,所述下游旋风筒(30)有多个,多个下游旋风筒(30)沿一圆周方向排布,该圆周的轴心线与外筒体(10)的轴心线相重合,上游旋风筒(20)的轴心线偏离外筒体(10)的轴心线一段距离,下游旋风筒(30)的底端面为倾斜的,其倾斜方向为自其离隔离罩(40)的纵向中轴线由近及远的方向逐渐向下倾斜,下游出灰口(32)开设于该倾斜的底端面上,下游出灰口(32)斜对着次级集灰室(401)的纵向中轴线,一垂直于下游旋风筒(30)的底端面的直线与隔离罩(40)的纵向中轴线之间构成一夹角Q,其中Q大于0小于90度。
2.根据权利要求1所述的多级旋风分离器,其特征在于:隔离罩(40)的上端分别与上游旋风筒(20)的底面和下游旋风筒(30)的外壁相接,下游旋风筒(30)的下部处于隔离罩(40)内。
3.根据权利要求1所述的多级旋风分离器,其特征在于:甩灰口(22)靠近下游旋风筒(30)侧壁,且沿下游旋风筒(30)的圆周方向开设,所述甩灰口(22)呈弧形。
4.根据权利要求1所述的多级旋风分离器,其特征在于:Q大于45度小于60度。
5.根据权利要求1所述的多级旋风分离器,其特征在于:所述上游旋风筒(20)内具有带锥形栅格(211)的空心柱(21),该空心柱(21)的内腔构成与上游出风导流口(23)相连通的上游排风通道。
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CN201210594164.2A Expired - Fee Related CN103006150B (zh) | 2012-09-29 | 2012-12-31 | 吸尘器上的多级旋风分离器 |
CN 201220749743 Withdrawn - After Issue CN203029137U (zh) | 2012-09-29 | 2012-12-31 | 吸尘器上的多级旋风分离器 |
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- 2012-12-31 CN CN201210594164.2A patent/CN103006150B/zh not_active Expired - Fee Related
- 2012-12-31 CN CN 201220749743 patent/CN203029137U/zh not_active Withdrawn - After Issue
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CN103006150A (zh) | 2013-04-03 |
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US9034067B2 (en) | 2015-05-19 |
CN103054520A (zh) | 2013-04-24 |
CN203029137U (zh) | 2013-07-03 |
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WO2014048045A1 (zh) | 2014-04-03 |
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