WO2018103697A1 - 一种排水结构及设有排水结构的洗衣机 - Google Patents

一种排水结构及设有排水结构的洗衣机 Download PDF

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WO2018103697A1
WO2018103697A1 PCT/CN2017/115014 CN2017115014W WO2018103697A1 WO 2018103697 A1 WO2018103697 A1 WO 2018103697A1 CN 2017115014 W CN2017115014 W CN 2017115014W WO 2018103697 A1 WO2018103697 A1 WO 2018103697A1
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Prior art keywords
drainage structure
water inlet
water outlet
water
lead
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PCT/CN2017/115014
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English (en)
French (fr)
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徐雯婷
邢福涛
张皓钧
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青岛海尔洗衣机有限公司
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Publication of WO2018103697A1 publication Critical patent/WO2018103697A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections

Definitions

  • the invention belongs to the field of household appliances, and in particular to a drainage structure and a washing machine provided with a drainage structure.
  • the general washing machine drainage is to use the drainage pump for drainage.
  • the working principle is: relying on the impeller rotating at high speed, the liquid obtains energy under the action of inertial centrifugal force to increase the pressure.
  • the water rotates very quickly, and the rotating water flies away from the impeller under the action of centrifugal force. After the water in the pump is thrown, the central portion of the impeller forms a vacuum region.
  • the water from the water source is pressed into the inlet pipe through the pipe network under the action of atmospheric pressure (or water pressure). This cycle is not enough, you can achieve continuous pumping.
  • the current drainage pump will have hairpins, paper clips, coins, hooks and other foreign objects falling into the inner and outer barrels through the gap between the pulsators during the user's use. When the water flows out, these foreign objects will get stuck in the impeller of the drain pump. The drain pump is not working.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a drainage structure capable of smoothly discharging foreign matter falling between the inner and outer barrels through the drain pump and a washing machine provided with the drainage structure.
  • a first aspect of the present invention provides a drainage structure including a water inlet, a water outlet, and an impeller receiving cavity.
  • the impeller receiving cavity includes a front end surface and a circumferential wall, and the water inlet is disposed at a center of the front end surface to communicate with the impeller receiving cavity.
  • the water outlet is disposed on the circumferential wall, and the front end surface is provided with a lead-out groove, and the water inlet communicates with the water outlet through the lead-out groove.
  • the width of the lead-out groove extending from the water inlet to the water outlet gradually decreases.
  • an inclined surface is provided on both sides of the lead-out groove of the front end surface, the inclined surface and the water outlet Smoothly connected.
  • the intersection of the inclined surface and the sidewall of the lead-out groove is a rounded chamfer.
  • the bottom surface of the lead-out groove extends obliquely from the water inlet to the water outlet.
  • the junction of the water inlet and the bottom surface of the outlet groove is rounded and chamfered.
  • the height of the side wall of the lead-out groove extending from the water inlet to the water outlet is gradually reduced.
  • the distance from the center of the impeller receiving chamber to the water inlet is greater than the distance from the central axis of the water outlet to the water inlet.
  • the diameter of the water inlet of the water inlet in the direction in which the water flows in is gradually reduced.
  • a second aspect of the present invention provides a washing machine provided with the drainage structure according to the first aspect, comprising an outer tub, the drainage structure being disposed at a bottom of the outer tub of the washing machine, the water inlet of the drainage structure and the outer tub The water outlets communicate with each other, and the water outlet of the drainage structure is connected to the drain pipe.
  • the present invention has the following advantageous effects compared with the prior art.
  • the outlet groove is designed to have a larger width from the water inlet and gradually decrease in the process of extending to the water outlet, thereby reducing The residence time of the foreign matter is reduced, so that the foreign matter can smoothly flow out in the direction of the water outlet.
  • Figure 1 is a schematic view of a drainage structure of an embodiment of the present invention
  • Fig. 2 is a longitudinal sectional view showing a drainage structure of an embodiment of the present invention.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the drain structure of the embodiment of the present invention is used on a drain pump of a washing machine, and the drain structure is utilized to allow foreign matter falling between the inner and outer tubs to smoothly discharge the washing machine through the drain pump.
  • the present invention provides a drainage structure including a water inlet 1, a water outlet 2, and an impeller receiving chamber 3.
  • the impeller receiving chamber 3 includes a front end surface 31 and a circumferential wall 32, and the water inlet 1 The center of the front end surface 31 is communicated with the impeller receiving cavity 3, and the water outlet 2 is disposed on the circumferential wall 32.
  • the front end surface 31 is provided with a lead-out groove 311 extending from the water inlet 1 to the water outlet 2 .
  • the recessed groove 311 is disposed on the front end surface 31, so that foreign matter can be directly discharged from the lead-out groove 311 through the impeller, thereby effectively preventing foreign matter from entering the impeller and catching the impeller, thereby causing the drain pump to be inoperable, so that the washing machine The problem that the water inside cannot be discharged smoothly.
  • the width of the lead-out groove 311 extending from the water inlet 1 to the water outlet 2 is gradually reduced.
  • the lead-out groove 311 is designed to have a width larger from the water inlet 1 and extend toward the water outlet 2. The process is gradually reduced, so that after the different flow into the lead-out groove 311, the width of the lead-out groove 311 is gradually reduced, so that the foreign matter can be gradually concentrated toward the water outlet 3, thereby reducing the residence time of the foreign matter, so that the foreign matter can smoothly flow to the water outlet. 2 directions flow out.
  • An inclined surface is disposed on both sides of the lead-out groove of the front end surface, and the inclined surface is smoothly connected to the water outlet.
  • the inclined surface 3111 and the water outlet 2 are smoothly connected, and the water flow having a large centrifugal force can be quickly discharged, and the lift of the drain pump can be increased when the foreign matter can be discharged.
  • the intersection of the inclined surface 3111 and the side wall of the lead-out groove 311 is set to be a rounded chamfer.
  • the bottom surface of the lead-out groove 311 extends obliquely from the water inlet 1 to the water outlet 2.
  • the bottom surface of the lead-out groove 311 is provided as an inclined bottom surface, which can reduce the distance of foreign matter reaching the water outlet 2, thereby accelerating the process of foreign matter discharge, and in order to avoid
  • the bottom of the lead-out slot 311 can be smoothly connected to the water outlet 2, so that the foreign matter enters the lead-out slot 311 and smoothly flows into the water outlet 2 along the bottom of the lead-out slot 311, and The water outlet 2 discharges the washing machine.
  • the junction between the water inlet 1 and the bottom surface of the lead-out groove 311 is rounded and chamfered.
  • the intersection of the water inlet 1 and the bottom of the lead-out groove 311 is designed to be round. Slip angle.
  • the height of the side wall of the lead-out groove 311 extending from the water inlet 1 to the water outlet 2 is gradually lowered.
  • the depth of the lead-out groove 311 is also gradually decreased along the lead-out groove 311, so that the lead-out groove 311 is connected to the water inlet 1
  • the higher position enables the foreign matter to smoothly enter the lead-out groove 311, and the lead-out groove 311 is smoothly connected to the water outlet 2, so that the foreign matter can be smoothly discharged from the water outlet 2.
  • the distance from the center of the impeller receiving chamber 3 to the water inlet 1 is greater than the distance from the central axis of the water outlet 2 to the water inlet 1.
  • the lead-out groove 311 is provided on the front end face 31, and the water inlet 1 is connected to the water outlet 2 through the lead-out groove 311, if the center axis of the water outlet 2 and the center of the impeller receiving cavity 3 are On the same level, it is necessary to thicken the water outlet 2, which will increase the cost and reduce the lift of the drain pump. To avoid this, the distance from the center of the impeller accommodating chamber 3 to the water inlet 1 is increased. The distance from the central axis of the water outlet 2 to the water inlet 1 is such that the pipeline of the water outlet 2 does not need to be thickened, thereby reducing product cost.
  • the diameter of the pipe of the water inlet 1 in the direction in which the water flows in is gradually reduced.
  • the diameter (pipe diameter) of the water inlet 1 is gradually reduced, so that the flow rate of the water flow gradually increases during the entry from the water inlet 1, and the lift of the drain pump can be further improved.
  • the embodiment provides a washing machine provided with the drainage structure of the first embodiment, including an outer tub.
  • the drainage structure is disposed at the bottom of the outer tub of the washing machine, and the water inlet of the drainage structure communicates with the outer drain of the outer tub.
  • the water outlet of the drainage structure is in communication with the drain pipe.
  • the washing machine will remove the accessories of the clothes or the small parts left in the clothes during the washing of the clothes, and fall into the crevice between the inner and outer barrels through the gap between the pulsators, so that the washing machine performs drainage.
  • the foreign matter enters the drainage structure with the water flow from the outer bucket drain through the water inlet of the drainage structure, the foreign matter enters the water inlet and is affected by the centrifugal force, and flows along the bottom of the export tank to the water outlet smoothly, and follows the drain pipe. Flow out of the washing machine.

Abstract

一种排水结构及设有排水结构的洗衣机，排水结构包括，进水口(1)、出水口(2)、叶轮容纳腔(3)，所述叶轮容纳腔(3)包括前端面(31)和圆周壁(32)，进水口(1)设置在前端面(31)中心与叶轮容纳腔(3)相通，出水口(2)设置在圆周壁(32)上，所述前端面(31)上设有的导出槽(311)，所述导出槽(311)从进水口(1)延伸至出水口(2)。由于洗涤过程中，衣物的配饰或留存在衣物里的小部件等异物会通过波轮间的缝隙掉到内外桶之间，洗衣机在排水时，异物随水流从排水结构的进水口(1)进入导出槽(311)，并顺着导出槽(311)从出水口(2)排出；进而有效避免了异物进入排水泵的叶轮中卡住叶轮，导致排水泵无法工作，使洗衣机内的水不能顺利排出的问题。

Description

一种排水结构及设有排水结构的洗衣机 技术领域
本发明属于家电领域，具体地说，涉及一种排水结构及设有排水结构的洗衣机。
背景技术
一般的洗衣机排水都是使用排水泵进行排水，工作原理是：依靠高速旋转的叶轮，液体在惯性离心力作用下获得了能量以提高了压强。水很快旋转，旋转着的水在离心力的作用下从叶轮中飞去，泵内的水被抛出后，叶轮的中心部分形成真空区域。水源的水在大气压力(或水压)的作用下通过管网压到了进水管内。这样循环不已，就可以实现连续抽水。
但是，现在的排水泵在用户使用过程中会有发卡、曲别针、硬币、挂钩等异物通过波轮间的缝隙掉到内外桶之间，随着水流排出时，这些异物会卡在排水泵的叶轮中，导致排水泵无法工作。
因此如何使掉到内外桶之间的异物能够顺利通过排水泵排出，成为目前亟待解决的技术问题。
有鉴于此特提出本发明。
发明内容
本发明要解决的技术问题在于克服现有技术的不足，提供一种能够使掉到内外桶之间的异物能够顺利通过排水泵排出的排水结构及设有排水结构的洗衣机。
为解决上述技术问题，本发明采用技术方案的基本构思是：
本发明的第一方面提出了一种排水结构，包括，进水口、出水口、叶轮容纳腔，所述叶轮容纳腔包括前端面和圆周壁，进水口设置在前端面中心与叶轮容纳腔相通，出水口设置在圆周壁上，所述前端面上设有导出槽，所述进水口通过导出槽与所述出水口连通。
优选地，所述导出槽从进水口向出水口延伸的宽度逐渐减小。
优选地，在所述前端面的导出槽两侧设有倾斜面，所述倾斜面与所述出水口 平滑相接。
优选地，所述倾斜面与导出槽的侧壁的相接处为圆滑倒角。
优选地，所述导出槽的底面从进水口倾斜延伸至出水口。
优选地，所述进水口与导出槽的底面的相接处为圆滑倒角。
优选地，所述导出槽从进水口向出水口延伸的侧壁高度逐渐降低。
优选地，所述叶轮容纳腔的中心至进水口的距离大于所述出水口的中心轴线至进水口的距离。
优选地，所述进水口沿水流进入方向的管路直径逐渐缩小。
本发明的第二方面提出了一种设有第一方面所述的排水结构的洗衣机，包括外桶，所述排水结构设置在洗衣机外桶底部，所述排水结构的进水口与所述外桶排水口相通，所述排水结构的出水口与排水管相连。
采用上述技术方案后，本发明与现有技术相比具有以下有益效果。
(1)由于洗涤过程中，衣物的配饰或留存在衣物里的小部件等异物会通过波轮间的缝隙掉到内外桶之间，洗衣机在排水时，异物随水流从排水结构的进水口进入导出槽，并顺着导出槽从出水口排出；进而有效避免了异物进入排水泵的叶轮中卡住叶轮，导致排水泵无法工作，使洗衣机内的水不能顺利排出的问题。
(2)为了使从进水口进入的异物能够更好的集中并从出水口排出，将导出槽设计成宽度从进水口处较大，并在向出水口延伸的过程中逐渐减小，进而减小了异物的停留时间，使异物能够顺利向出水口方向流出。
(3)由于导出槽与进水口相接处较高能够使异物能够顺利进入导出槽，导出槽与出水口平滑相接，使异物能够顺利从出水口排出。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
附图作为本发明的一部分，用来提供对本发明的进一步的理解，本发明的示意性实施例及其说明用于解释本发明，但不构成对本发明的不当限定。显然，下面描述中的附图仅仅是一些实施例，对于本领域普通技术人员来说，在不付出创造性劳动的前提下，还可以根据这些附图获得其他附图。在附图中：
图1是本发明的实施例的排水结构的示意图；
图2是本发明的实施例的排水结构的纵剖图。
图中：1、进水口；2、出水口；3、叶轮容纳腔；31、前端面；311、导出槽；3111、倾斜面；32、圆周壁。
需要说明的是，这些附图和文字描述并不旨在以任何方式限制本发明的构思范围，而是通过参考特定实施例为本领域技术人员说明本发明的概念。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对实施例中的技术方案进行清楚、完整地描述，以下实施例用于说明本发明，但不用来限制本发明的范围。
在本发明的描述中，需要说明的是，术语“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
本发明的实施例的排水结构使用在洗衣机的排水泵上，进而利用该排水结构使掉到内外桶之间的异物能够顺利通过排水泵排出洗衣机。
实施例一
如图1和2所示，本发明提出了一种排水结构，包括，进水口1、出水口2、叶轮容纳腔3，所述叶轮容纳腔3包括前端面31和圆周壁32，进水口1设置在前端面31中心与叶轮容纳腔3相通，出水口2设置在圆周壁32上，所述前端面31上设有的导出槽311，所述导出槽311从进水口1延伸至出水口2。
在上述技术方案中，洗衣机在洗涤衣物时，放在衣物兜里的物品、衣物上的挂饰或者与衣物一起卷入洗衣机的小物件等异物(例如，曲别针、发卡、钥匙扣、戒指、硬币、挂钩等)会通过波轮间的缝隙掉到内外桶之间，洗衣机在排水时，异物随水流从排水结构的进水口1进入导出槽311，顺着导出槽311从出水口2排出。
并且该导出槽311内凹的设置在前端面31上，这样能够使异物不会通过叶轮直接从导出槽311排出，进而有效避免了异物进入叶轮中卡住叶轮，导致排水泵无法工作，使洗衣机内的水不能顺利排出的问题。
优选地，所述导出槽311从进水口1向出水口2延伸的宽度逐渐减小。
在上述技术方案中，为了使从进水口1进入的异物能够更好的集中并从出水口2排出，将导出槽311设计成宽度从进水口1处较大，并在向出水口2延伸的过程中逐渐减小，这样异物流入导出槽311后，由于导出槽311的宽度逐渐减小，使异物能够逐渐向出水口3集中，进而减小了异物的停留时间，使异物能够顺利向出水口2方向流出。
在所述前端面的导出槽两侧设有倾斜面，所述倾斜面与所述出水口平滑相接。
在上述技术方案中，将该倾斜面3111与出水口2是平滑相接，能够使具有较大离心力的水流快速排出，进而在能够保证能够将异物排出的情况下增加排水泵的扬程。
为了减小水流的阻力，将倾斜面3111与导出槽311的侧壁的相接处设置为圆滑倒角。
所述导出槽311的底面从进水口1倾斜延伸至出水口2。为了使异物能够沿着导出槽311的底面快速流进出水口2，将导出槽311的底面设置成倾斜底面，这样能够减小异物到达出水口2的距离，进而加快异物排出的过程，并且为了避免异物在通过导出槽311时会停留在导出槽311内，导出槽311底部与出水口2能够平滑相接，这样异物进入导出槽311后会顺着导出槽311底部顺利流进出水口2，并从出水口2排出洗衣机。
所述进水口1与导出槽311的底面的相接处为圆滑倒角。为了使异物能够快速从进水口1流入导出槽311，将进水口1与导出槽311底部的相接处设计成圆 滑倒角。
优选地，导出槽311从进水口1向出水口2延伸的侧壁高度逐渐降低。
在上述技术方案中，由于导出槽311侧壁的高度是由高逐渐减小的趋势，致使导出槽311的深度也顺着导出槽311逐渐减小，这样由于导出槽311与进水口1相接处较高能够使异物能够顺利进入导出槽311，导出槽311与出水口2平滑相接，使异物能够顺利从出水口2排出。
优选地，所述叶轮容纳腔3的中心至进水口1的距离大于所述出水口2的中心轴线至进水口1的距离。
在上述技术方案中，由于在前端面31上设置了导出槽311，并且通过导出槽311将进水口1与出水口2相接，这样如果出水口2的中心轴线与叶轮容纳腔3的中心在同一个水平面上的话，就需要将出水口2管路加粗，这样会增加成本，并且会减小排水泵的扬程，为了避免这种情况，使叶轮容纳腔3的中心至进水口1的距离大于所述出水口2的中心轴线至进水口1的距离，这样出水口2的管路就不需要加粗，降低产品成本。
优选地，所述进水口1沿水流进入方向的管路直径逐渐缩小。
在上述技术方案中，将进水口1的口径(管路直径)逐渐缩小，这样能够使水流在从进水口1进入过程中流速逐渐增大，能够进一步提高排水泵的扬程。
实施例二
本实施例提出了一种设有实施例一所述的排水结构的洗衣机，包括外桶，所述排水结构设置在洗衣机外桶底部，所述排水结构的进水口与所述外桶排水口相通，所述排水结构的出水口与排水管相通。
在上述技术方案中，洗衣机在洗涤衣物过程中会将衣物的配饰或留存在衣物里的小部件等异物，通过波轮之间的缝隙掉到内外桶之间的夹缝中，这样在洗衣机进行排水时，异物会随着水流从外桶排水口经排水结构的进水口进入排水结构，排水时异物从进水口进入后受离心力的影响顺着导出槽底部快速流至出水口，并顺着排水管流出洗衣机。
以上所述仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本专 利的技术人员在不脱离本发明技术方案范围内，当可利用上述提示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明方案的范围内。

Claims (10)

  1. 一种排水结构，包括，进水口、出水口、叶轮容纳腔，所述叶轮容纳腔包括前端面和圆周壁，进水口设置在前端面中心与叶轮容纳腔相通，出水口设置在圆周壁上，其特征在于，所述前端面上设有的导出槽，所述导出槽从进水口延伸至出水口。
  2. 根据权利要求1所述的排水结构，其特征在于，所述导出槽从进水口向出水口延伸的宽度逐渐减小。
  3. 根据权利要求1所述的排水结构，其特征在于，在所述前端面的导出槽两侧设有倾斜面，所述倾斜面与所述出水口平滑相接。
  4. 根据权利要求3所述的排水结构，其特征在于，所述倾斜面与导出槽的侧壁的相接处为圆滑倒角。
  5. 根据权利要求1所述的排水结构，其特征在于，所述导出槽的底面从进水口倾斜延伸至出水口。
  6. 根据权利要求5所述的排水结构，其特征在于，所述进水口与导出槽的底面的相接处为圆滑倒角。
  7. 根据权利要求1所述的排水结构，其特征在于，所述导出槽从进水口向出水口延伸的侧壁高度逐渐降低。
  8. 根据权利要求1所述的排水结构，其特征在于，所述叶轮容纳腔的中心至进水口的距离大于所述出水口的中心轴线至进水口的距离。
  9. 根据权利要求1所述的排水结构，其特征在于，所述进水口沿水流进入方向的管路直径逐渐缩小。
  10. 一种设有权利要求1-9任一项所述的排水结构的洗衣机，包括外桶，其特征在于，所述排水结构设置在洗衣机外桶底部，所述排水结构的进水口与所述外桶排水口相通，所述排水结构的出水口与排水管相通。
PCT/CN2017/115014 2016-12-07 2017-12-07 一种排水结构及设有排水结构的洗衣机 WO2018103697A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6264441B1 (en) * 1999-03-16 2001-07-24 Askoll Tre S.P.A. Pump for the drain outlet of washing machines
DE19907556B4 (de) * 1998-09-02 2007-10-25 BSH Bosch und Siemens Hausgeräte GmbH Flüssigkeitspumpe, insbesondere Laugenpumpe für Haushaltgeräte
CN201598476U (zh) * 2009-12-07 2010-10-06 无锡小天鹅股份有限公司 防异物吸入式洗衣机用上排水泵
WO2013145432A1 (ja) * 2012-03-29 2013-10-03 株式会社 東芝 洗濯機
CN103789973A (zh) * 2012-10-29 2014-05-14 海尔集团公司 一种洗衣机排水过滤系统及具有该排水过滤系统的洗衣机

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19907556B4 (de) * 1998-09-02 2007-10-25 BSH Bosch und Siemens Hausgeräte GmbH Flüssigkeitspumpe, insbesondere Laugenpumpe für Haushaltgeräte
US6264441B1 (en) * 1999-03-16 2001-07-24 Askoll Tre S.P.A. Pump for the drain outlet of washing machines
CN201598476U (zh) * 2009-12-07 2010-10-06 无锡小天鹅股份有限公司 防异物吸入式洗衣机用上排水泵
WO2013145432A1 (ja) * 2012-03-29 2013-10-03 株式会社 東芝 洗濯機
CN103789973A (zh) * 2012-10-29 2014-05-14 海尔集团公司 一种洗衣机排水过滤系统及具有该排水过滤系统的洗衣机

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