WO2015139476A1 - 一种线屑过滤装置 - Google Patents

一种线屑过滤装置 Download PDF

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Publication number
WO2015139476A1
WO2015139476A1 PCT/CN2014/092488 CN2014092488W WO2015139476A1 WO 2015139476 A1 WO2015139476 A1 WO 2015139476A1 CN 2014092488 W CN2014092488 W CN 2014092488W WO 2015139476 A1 WO2015139476 A1 WO 2015139476A1
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WIPO (PCT)
Prior art keywords
filter
cover
water
back cover
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2014/092488
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English (en)
French (fr)
Inventor
吕佩师
杨林
田云龙
王玲臣
刘尊安
纪庆龙
李威海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haier Group Corp
Qingdao Haier Washing Machine Co Ltd
Original Assignee
Haier Group Corp
Qingdao Haier Washing Machine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haier Group Corp, Qingdao Haier Washing Machine Co Ltd filed Critical Haier Group Corp
Priority to EP14885890.5A priority Critical patent/EP3121325B1/en
Priority to KR1020167028805A priority patent/KR102291410B1/ko
Priority to US15/127,493 priority patent/US10253446B2/en
Priority to JP2016552316A priority patent/JP2017508520A/ja
Publication of WO2015139476A1 publication Critical patent/WO2015139476A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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 
    • D06F39/10—Filtering arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a vertical axis

Definitions

  • the present invention relates to the field of washing machines, and in particular to a wire filtering device.
  • a wire filtering device is arranged on the inner wall of the washing machine to collect the wire scraps for the purpose of cleaning the clothes. In this way, after washing the clothes, it is necessary to remove the wire filter for cleaning to avoid blockage of the wire filter device.
  • the existing chip filter is collected by a mesh bag. If the bag has wrinkles during the installation process, after the washing water flows into the bag, the wrinkles block a part of the wire inflow, which leads to the part. The swarf is returned to the washing tub, which greatly affects the collection effect. After long-term use, the net bag will be dry and hard, resulting in difficulty in cleaning, easy to breed bacteria, secondary pollution to washing clothes, and it is difficult to meet user requirements.
  • the utility model patent of the Chinese patent application No. 201120148645.1 discloses a wire dust filter of a pulsator washing machine, which comprises a filter front wall, a filter rear wall and a check valve piece, and a check valve piece installation.
  • On the water inlet at the lower part of the front wall of the filter characterized in that the lower part of the rear wall of the filter and the lower part of the front wall of the filter are hinged together by a hinge shaft, the upper part of the rear wall of the filter and the upper part of the front wall of the filter They are connected together by a claw and a snap fit.
  • the rear wall of the filter and the front wall of the filter are hinged at the lower part of the hinge shaft, and the claw card slot is matched and docked at the upper part, which is simple and convenient to use and convenient for the user to operate.
  • a wire filtering device comprises a wire filter, the wire filter comprises a filter front cover and a filter back cover connected thereto, a filter water is arranged on the front cover of the filter, and a water inlet is arranged on the filter back cover, An anti-reflux structure is disposed on the inner wall of the filter back cover.
  • the height of the anti-reflux structure is 1/10 to 1/2 of the gap between the filter front cover and the filter back cover.
  • the water inlet is disposed at an upper portion of the filter back cover
  • the anti-reflux structure is disposed at a lower portion of the water inlet near the water inlet
  • the installation area of the anti-reflux structure is less than or equal to 1/2 of the inner wall area of the filter back cover.
  • the anti-reflux structure is formed by a series of convex structures disposed on the inner wall of the filter back cover, and the protruding structures are staggered.
  • the anti-reflux structure is a fish scale-like convex structure, and the side cross section of the fish scale-like structure is straight-toothed.
  • the chip filtering device further includes a filter cover disposed on the inner tub of the washing machine, the wire filter is installed on the filter cover, and the filter back cover wall at the lower portion of the water inlet has a gap between the wall of the washing machine and the inner tub of the washing machine a spacing.
  • a water drainage structure is arranged on the filter cover of the lower part of the wire filter, and the water drainage structure is formed by the cover wall of the filter cover being recessed toward the inner barrel of the washing machine.
  • a distance between the inner wall of the inward water drainage structure and the inner tub of the washing machine is less than or equal to a distance between the bottom wall of the filter back cover and the inner tub of the washing machine.
  • the water filtering portion includes a filter frame and a filter frame
  • the filter frame is a frame structure provided with a plurality of water passing ports, and the filter mesh is attached to the frame structure.
  • the water filtering portion is formed by a small through hole provided in the front cover of the filter.
  • the chip filter of the invention cooperates with the special water drainage structure of the filter cover. After the washing water enters the wire collector, the water flows out through the leakage hole of the front cover of the filter, and the fish scale structure unique to the filter back cover can block the line. The backflow of the chips greatly improves the collection effect. Because the net bag is removed, it is easy to operate, and the long-term use does not affect the collection effect.
  • the chip filter of the present invention is engaged with the filter cover for easy installation and disassembly.
  • the chip filter of the present invention comprises a filter front cover and a filter back cover connected by a hinge shaft, and the wire filter is easily opened to facilitate cleaning of the wire.
  • the water inlet of the chip filter of the present invention is disposed at the upper portion of the filter back cover so that the wire dust filtered by the wire filter is not easily returned to the inner tub of the washing machine.
  • the fish scale-like convex structure on the inner wall of the back cover of the chip filter of the present invention can further prevent the wire chips in the wire filter from flowing back under the impact of the water flow.
  • the filter cover of the present invention is provided with a water drainage structure matched with the wire filter to prevent the wash water that is led to flow through the bottom of the inner tub of the washing machine from colliding with the bottom wall of the wire filter and being deflected back;
  • the structure directly guides the washing water to the water flow passage between the filter back cover and the inner tub, and enters the water inlet through the passage; thereby ensuring the filtering effect of the lint filter.
  • the invention does not need to adopt a mesh bag type filter net, and only needs to install a filter net on the front cover of the filter or set a small filter hole to achieve better filtering effect, and the installation box is more convenient to disassemble and more convenient for the line. Cleaning of the shavings.
  • Figure 1 is a schematic view showing the structure of a wire filter using a mesh bag filter
  • Figure 2 is a schematic view showing the structure of the wire dust filter of the present invention.
  • Figure 3 is a front view of the present invention.
  • Figure 4 is a cross-sectional view of the present invention taken along the line A-A of the front view.
  • the invention provides a chip filtering device comprising a wire filter.
  • the wire filter comprises a filter front cover 100 and a filter back cover 200 connected thereto, and should be installed on the washing machine.
  • the filter front cover 100 and the filter back cover 200 are combined, and the filter front cover 100 and the filter back cover 200 are combined to form a closed filter cavity therebetween; when needed in the wire filter
  • the wire filter is taken out, and the filter front cover 100 and the filter back cover 200 are opened for cleaning.
  • the filter front cover 100 is provided with a water filter 110 for washing water passing and filtering
  • the filter back cover 200 is provided with a water inlet 220
  • an anti-reflux structure 210 is disposed on the inner wall of the filter back cover 200
  • the backflow prevention structure 210 is disposed at a lower portion of the water inlet 220.
  • the anti-reflux structure 210 is closed when the filter front cover 100 and the filter back cover 200 are closed. There is a certain distance from the inner wall of the filter front cover 100.
  • the height of the backflow prevention structure 210 is 1/10 to 1/2, preferably 1/4 of the pitch of the filter front cover 100 and the filter back cover 200.
  • the invention is provided with an anti-reflux structure 210 on the inner wall of the filter back cover 200.
  • the addition of the anti-reflux structure 210 can effectively prevent the wire collected inside the chip filter from flowing back under the impact of the water flow.
  • the arrangement and structure of the backflow prevention structure 210 is extremely important.
  • the backflow prevention structure 210 can be an integrated structure.
  • the backflow prevention structure 210 is a protruding rib disposed laterally on the inner wall of the filter back cover 200, so as not to affect the flow of water.
  • the inner portion of the swarf filter, the top of the raised ribs should have a certain distance from the filter front cover 100, and the spacing should be no less than 1/2 of the width of the swarf filter.
  • the top of the raised rib position should be uneven, and may be arranged in an irregular shape or in a regular corrugated shape. The purpose of this is to: on the one hand, as large as possible, does not affect the flow of water; Keep the collected chips back down as much as possible.
  • a plurality of such raised ribs may be disposed downward along the water inlet 220, but the area occupied by the raised ribs should be less than 1/2 of the inner wall area of the filter back cover 200, so as to ensure the swarf
  • the filter has sufficient space for collecting the lint; and the top concavities of the adjacent two raised ribs should be arranged in a wrong manner, so that the raised ribs of the present invention achieve an optimum effect of preventing chip reflow.
  • the present invention provides a more preferred backflow prevention structure 210.
  • the lower portion of the filter front cover 100 of the present invention and the lower portion of the filter back cover 200 are connected by a hinge shaft, and the water inlet 220 is disposed at the upper portion of the filter back cover 200.
  • the anti-reflux structure 210 includes a plurality of, each of the anti-reflux structures 210 is separately disposed and has a small volume, and the anti-reflux structure 210 is disposed adjacent to the water inlet 220, and the anti-reflux structure 210 is disposed downward along the water inlet 220.
  • the installation area of the backflow prevention structure 210 is less than or equal to 1/2 of the inner wall area of the filter back cover 200, so that the wire waste can be ensured.
  • the filter has enough space to collect the strands.
  • the backflow prevention structure 210 of the present invention is formed by a series of raised structures disposed on the inner wall of the filter back cover 200, and the raised structures are staggered.
  • the protruding structures are staggered so that the filter back cover 200 is restrained by the convex structure in the lateral direction as a whole, so that the anti-reflux structure 210 can be provided in the entire lateral direction of the inner wall of the filter back cover 200, which can be
  • the effect of the railing is such that the collected strands cannot pass through the entire lateral area; the anti-reflux structures 210 are staggered to prevent a vertical passage between the anti-reflux structures to allow the chips to pass easily.
  • the backflow prevention structure 210 of the present invention is specifically preferably a fish scale-like convex structure, and the side cross section of the fish scale-like convex structure is straight-toothed.
  • the fish scale-like convex structure has two slopes, the tops of the two slopes are offset, one slope faces the water inlet 220, and the other slope faces the bottom of the filter back cover 200 toward the bottom of the filter back cover 200.
  • the slope of the face is smaller than the slope toward the water inlet 220.
  • Such an arrangement on the one hand makes entry from the water inlet 220
  • the water flow smoothly enters the filtering cavity along the gentle slope, and the swarf in the water flow can smoothly slide down; on the other hand, the swarf collected in the swarf filter rises back under the impact of the water flow to the prevention
  • the slope of the small slope can effectively prevent the swarf from rising as the cover, and can effectively prevent the swarf from flowing back.
  • the chip filtering device of the present invention further includes a filter cover 300 disposed on the inner tub of the washing machine.
  • the filter cover 300 is mounted on the inner wall of the inner tub of the washing machine from top to bottom, and the bottom of the filter cover 300 is connected to the bottom of the washing machine.
  • the upper portion is connected to the inner barrel mouth, and a passage for the passage of the washing water is formed between the filter cover 300 and the inner tub bottom and the inner tub.
  • the wire filter is installed on the filter cover 300.
  • the upper part of the filter front cover 100 of the wire filter is provided with a buckle 120. The wire filter is engaged with the filter cover 300 through the buckle 120, and the card is used.
  • connection method ensures the stability of the wire filter installation on the one hand, and the detachable connection mode makes it easier for the user to remove the wire filter for cleaning or replacement.
  • the water inlet 220 of the chip filter of the present invention is disposed at the upper portion of the filter back cover 200. Therefore, in order to ensure smooth entry of the wash water, the filter back cover wall at the lower portion of the water inlet 220 has a certain distance from the inner tub of the washing machine.
  • the backflow prevention structure occupies a certain space for filtering the inner cavity, and in order to ensure the effect of collecting the wire dust of the wire dust filter, the thickness of the wire dust filter of the present invention is Compared with the thickness of the existing chip filter, when the wire filter having an increased thickness is mounted on the filter cover 300, the filter cover 200 is moved backward, and the bottom wall of the wire filter is extended by a distance. Therefore, the flow of water from the lower portion of the filter cover 300 will be bucked there, and will not flow smoothly through the flow of water. Therefore, the present invention has been creatively designed for the structure of the filter cover 200.
  • the water filter drainage structure 310 is disposed on the filter cover 300 at the lower portion of the chip filter of the present invention, and the water supply drainage structure 310 is directed by the cover wall of the filter cover 300.
  • the inside of the washing machine is recessed in the direction of the barrel.
  • the function of the water drainage structure 310 is to reduce the water passage in the filter cover 300, and change the flow direction of the water flow so as not to flow to the bottom wall of the wire filter as much as possible, thereby avoiding the occurrence of buckling.
  • the distance between the inner wall of the upper water drainage structure 310 and the inner tub of the washing machine is less than or equal to the gap between the bottom wall of the filter back cover 200 and the inner tub of the washing machine.
  • the distance between the inner wall of the upper water drainage structure 310 inwardly recessed and the inner tub of the washing machine is equal to the distance between the bottom wall of the filter back cover 200 and the inner tub of the washing machine, so as to ensure the largest possible water intake simultaneously. There will be no baffles.
  • the filtering portion 110 includes a filter frame and a filter frame, and the filter frame is a frame structure in which a plurality of water passing ports are provided, and the filter mesh is attached to the frame structure.
  • the water filtering portion 110 of the present invention may also be formed as a small through hole provided in the filter front cover 100.
  • the chip filter of the present invention cooperates with the water-water drainage structure 310 unique to the filter cover 300. After the washing water enters the wire filter through the water inlet 220, the water flows out through the filter portion 110 of the filter front cover 100, and the filter back cover The unique fish scale-like anti-reflux structure 210 on the inner wall of 200 can block the reflow of the lint, which greatly improves the collection effect. At the same time, the invention is more convenient to operate because the mesh bag is eliminated, and the long-term use does not affect the collection effect.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Revetment (AREA)

Abstract

一种线屑过滤装置，包括线屑过滤器，线屑过滤器包括过滤器前盖（100）和与其连接的过滤器后盖（200），过滤器前盖（100）上设置滤水部（110），过滤器后盖（200）上设置进水口（220），过滤器后盖（200）的内壁上设置防回流结构（210），所述的防回流结构（210）在进水口（220）的下部靠近进水口（220）设置。线屑过滤装置取消了网袋，更加便于操作，长时间使用也不影响收集效果；同时，过滤器后盖（200）上设置的防回流结构（210）能有效的防止线屑回流，具有更好的线屑过滤效果和用户体验。

Description

一种线屑过滤装置 技术领域
本发明涉及洗衣机领域，具体地，涉及一种线屑过滤装置。
背景技术
洗衣机洗涤衣物时产生线屑，为防止线屑粘到衣物上，一般来说都在洗衣机内桶壁上设置线屑过滤装置，收集线屑以达到清洁衣物的目的。这样，在洗完衣物后，需要拆下线屑过滤器进行清理，避免线屑过滤装置堵塞。
如图1所示，现有的线屑过滤器通过网袋式收集，在安装过程中，如果网袋存在褶皱，在洗涤水流进入网袋后，由于褶皱阻挡了一部分线屑流入，这样导致部分线屑回流到洗涤桶内，大大影响了收集效果。长期使用后网袋会干硬，导致不易清洗，易滋生细菌，对洗涤衣物产生二次污染，很难满足用户要求。
现有中国专利申请号为201120148645.1的实用新型专利，该实用新型公开了一种波轮洗衣机的线屑过滤器,包括过滤器前壁、过滤器后壁及止逆阀片,止逆阀片安装在过滤器前壁下部的进水口上；特征是过滤器后壁的下部与过滤器前壁的下部之间通过合页轴铰接在一起,过滤器后壁的上部与过滤器前壁的上部之间通过卡爪与卡扣配合连接在一起。该实用新型中,过滤器后壁与过滤器前壁在下部采取合页轴铰接、在上部采取卡爪卡槽配合对接的技术方式,使用简单方便,便于用户操作。
上述专利解决了网袋式线屑过滤器所存在的缺点，但是该实用新型的进水口设置在过滤器前壁下部，并且在进水口上设置止逆阀片，虽然能具有良好的过滤效果，但是不能解决线屑回流的问题。
发明内容
本发明的目的是提供一种不采用网袋式过滤网的线屑过滤装置，同时还具有良好的防止线屑回流的作用。
为了达到上述目的，本发明采用如下技术方案：
一种线屑过滤装置，包括线屑过滤器，线屑过滤器包括过滤器前盖和与其连接的过滤器后盖，过滤器前盖上设置滤水部，过滤器后盖上设置进水口，所述过滤器后盖的内壁上设置防回流结构。
进一步地，所述的防回流结构的高度为过滤器前盖与过滤器后盖闭合后形成间距的1/10～1/2。
进一步地，所述的进水口设置在过滤器后盖的上部，所述的防回流结构在进水口下部靠近进水口设置，防回流结构的设置面积小于等于过滤器后盖内壁面积的1/2。
进一步地，所述的防回流结构为设置在过滤器后盖内壁上的一系列凸起结构形成，凸起结构之间交错设置。
进一步地，所述的防回流结构为鱼鳞状凸起结构，所述的鱼鳞凸起状结构的侧截面呈直齿状。
进一步地，所述的线屑过滤装置还包括设置在洗衣机内桶上的过滤盖，所述的线屑过滤器安装在过滤盖上，进水口下部的过滤器后盖盖壁与洗衣机内桶之间具有一间距。
进一步地，所述线屑过滤器下部的过滤盖上设置上水引流结构，上水引流结构是由过滤盖的盖壁向洗衣机内桶方向凹陷形成。
进一步地，所述上水引流结构向内凹陷的内壁与洗衣机内桶之间的距离小于等于过滤器后盖的底壁与洗衣机内桶之间的距离。
进一步地，所述的滤水部包括过滤框和过滤网，所述的过滤框为设置若干过水口的框架结构，过滤网附在框架结构上。
进一步地，所述的滤水部为设置在过滤器前盖上的细小通孔形成。
本发明的线屑过滤器配合过滤盖特有的上水引流结构，洗涤水进入线屑收集器过滤后，水通过过滤器前盖的漏水孔流出，过滤器后盖特有的鱼鳞状结构能阻挡线屑的回流，大大提高了收集效果。因为取消了网袋，便于操作，长时间使用也不影响收集效果。
本发明具有以下有益效果：
1、本发明的线屑过滤器与过滤盖卡接，便于安装和拆卸。
2、本发明的线屑过滤器包括通过合页轴连接的过滤器前盖和过滤器后盖，线屑过滤器的开启简单，方便线屑的清理。
3、本发明的线屑过滤器的进水口设置在过滤器后盖的上部，使得通过线屑过滤器过滤的线屑不易回流到洗衣机内桶内。
4、本发明的线屑过滤器的后盖内壁上设置鱼鳞状的凸起结构可进一步防止线屑过滤器内的线屑在水流冲击下回流。
5、本发明的过滤盖上设置与线屑过滤器相配合的上水引流结构，防止经由洗衣机内桶底部导流过来的洗涤水撞击到线屑过滤器的底壁而折流回去；上水引流结构直接将洗涤水导流到过滤器后盖与内桶之间的水流通道，并通过该通道进入进水口；从而保证了线屑过滤器的过滤效果。
6、本发明不用采用网袋式的过滤网，只需要在过滤器前盖上安装过滤网或者设置细小的过滤孔即可实现更好的过滤效果，安装盒拆卸都更加方便，也更便于线屑的清理。
附图说明
图1现有采用网袋式过滤网的线屑过滤器的结构示意图；
图2本发明线屑过滤器的结构示意图；
图3本发明主视图；
图4本发明的沿主视图A-A面的剖视图。
附图中标号说明：100-过滤器前盖 110-滤水部 120-卡扣 200-过滤器后盖 210-防回流结构 220-进水口 300-过滤盖 310-上水引流结构。
具体实施方式
下面结合附图对本发明的一种线屑过滤装置进行详细描述：
本发明提供的一种线屑过滤装置，包括线屑过滤器，如图1所示，线屑过滤器包括过滤器前盖100和与其连接的过滤器后盖200，安装在洗衣机上使用时应将过滤器前盖100和过滤器后盖200合起来，过滤器前盖100和过滤器后盖200合起来后在其二者之间形成封闭的过滤内腔；当需要对线屑过滤器内腔内收集的线屑进行清理时，将线屑过滤器取出，打开过滤器前盖100和过滤器后盖200进行清理。过滤器前盖100上设置用于洗涤水通过和过滤的滤水部110，过滤器后盖200上设置进水口220，所述过滤器后盖200的内壁上设置防回流结构210，所述的防回流结构210设置在进水口220的下部。
为了实现防回流结构的防止线屑回流的作用，同时不影响洗涤水进入线屑过滤器内腔进行过滤作用，所述的防回流结构210在过滤器前盖100与过滤器后盖200闭合时与过滤器前盖100的内壁具有一定间距。所述的防回流结构210的高度为过滤器前盖100与过滤器后盖200闭合后形成间距的1/10～1/2，优选为1/4。
本发明创造性的在过滤器后盖200的内壁上设置了防回流结构210，由于增设了防回流结构210可有效防止线屑过滤器内部收集的线屑在水流的冲击作用下而回流的现象。为了实现这一技术效果，防回流结构210的设置以及结构便极为重要。
作为一种可以实现上述技术效果的实施方式，防回流结构210可为一体结构，具体地，防回流结构210为横向设置在过滤器后盖200内壁上的凸起筋位，为了不影响水流进入线屑过滤器内腔，凸起筋位的顶部应与过滤器前盖100具有一定的间距，该间距应该不小于线屑过滤器宽度的1/2。进一步地，凸起筋位的顶部应该呈凹凸不平状，可呈不规则状设置也可呈规则的波纹状设置，这样的目的在于：一方面尽可能大的不影响到水流进入；另一方面尽可能大的防止收集的线屑回流。再者，沿着进水口220向下可多设置几道这样的凸起筋位，但凸起筋位占据的面积应该小于过滤器后盖200内壁面积的1/2，这样是为了保证线屑过滤器具有足够的收集线屑的空间；而且相邻两道凸起筋位的顶部凹凸部应该相错设置，以使得本发明的凸起筋位实现最佳的防止线屑回流的效果。
本发明提供了一种较为优选的防回流结构210，本发明的过滤器前盖100的下部和过滤器后盖200的下部通过合页轴连接，进水口220设置在过滤器后盖200的上部，所述的防回流结构210包括多个，每个防回流结构210单独设置且体积较小，防回流结构210靠近进水口220设置，防回流结构210沿着进水口220向下排布设置，这样的设置一方面不影响水流从进水口220进入，另一方面不影响线屑的收集；防回流结构210的设置面积小于等于过滤器后盖200内壁面积的1/2，这样可保证线屑过滤器具有足够的空间收集线屑。
为了确保防回流结构210能够起到防止线屑回流的作用，本发明的防回流结构210为设置在过滤器后盖200内壁上的一系列凸起结构形成，凸起结构之间交错设置。凸起结构之间交错设置，使得过滤器后盖200整体在横向上都受到凸起结构的限制作用，这样可保证在过滤器后盖200内壁的整个横向上都设置防回流结构210，可起到类似栏杆的作用，使得收集的线屑在整个横向区域都无法通过；防回流结构210之间交错设置，防止防回流结构之间形成一个竖直的通道使线屑容易通过。
本发明的防回流结构210具体地优选为一种鱼鳞状凸起结构，所述的鱼鳞状凸起结构的侧截面呈直齿状。鱼鳞状凸起结构具有相当的两个坡面，两个坡面的顶部相抵，一个坡面朝向进水口220，另一个坡面朝向过滤后盖200的底部，朝向过滤后盖200的底部的坡面的坡度小于朝向进水口220的坡面。这样的设置一方面使得从进水口220进入 的水流沿着较缓的坡面平稳进入过滤内腔，同时水流中的线屑也能顺利的滑落进去；另一方面，线屑过滤器内收集的线屑在水流的冲击下回流上升至防回流结构210处，小坡度的坡面像盖子一样可有效的阻止线屑继续上升，可有效防止线屑回流。
如图3和图4所示，本发明的线屑过滤装置还包括设置在洗衣机内桶上的过滤盖300，过滤盖300至上而下安装在洗衣机内桶内壁上，过滤盖300下部接洗衣机内桶底，上部接至内桶口处，过滤盖300和内桶底以及内桶之间形成可供洗涤水通过的通道。所述的线屑过滤器安装在过滤盖300上，线屑过滤器的过滤器前盖100上部设置卡扣120，所述的线屑过滤器通过卡扣120与过滤盖300卡接，采用卡接的方式一方面可确保线屑过滤器安装的稳定性，另一方面可拆卸的连接方式更加方便用户将线屑过滤器拆下进行清理或者更换。本发明的线屑过滤器的进水口220设置在过滤器后盖200的上部，因此为了保证洗涤水的顺利进入，进水口220下部的过滤器后盖盖壁与洗衣机内桶之间具有一定距离。
由于本发明的线屑过滤器设置有防回流结构，防回流结构占据了一定的过滤内腔的空间，为了保证线屑过滤器的收集线屑的效果，本发明的线屑过滤器的厚度要比现有的线屑过滤器的厚度大，由于增大厚度的线屑过滤器安装在过滤盖300上时，过滤后盖200会后移，线屑过滤器的底壁会伸出一段距离，从而从过滤盖300下部上来的水流会在此处发生折流现象，不流于水流的顺利经过。因此本发明对过滤盖200的结构进行了创造性的设计，在本发明的线屑过滤器下部的过滤盖300上设置上水引流结构310，上水引流结构310是由过滤盖300的盖壁向洗衣机内桶方向凹陷形成。上水引流结构310的作用是将过滤盖300内的过水通道缩小，改变水流的流向，使其尽量不流向线屑过滤器的底壁，从而避免折流现象的发生。
为了确保上水结引流构能够最大限度的防止折流，所述上水引流结构310向内凹陷的内壁与洗衣机内桶之间的距离小于等于过滤器后盖200的底壁与洗衣机内桶之间的距离，优选地，上水引流结构310向内凹陷的内壁与洗衣机内桶之间的距离等于过滤器后盖200的底壁与洗衣机内桶之间的距离，这样可保证有尽可能大的进水量同时又不会发生折流。
过滤部110的作用是让进入线屑过滤器过滤内腔的水流流出，同时将水流中的线屑滤出留在线屑过滤器的内部。因此，本发明的滤水部110包括过滤框和过滤网，所述的过滤框为设置若干过水口的框架结构，过滤网附在框架结构上。
作为另外一种优选的实施方式，本发明的滤水部110还可以为设置在过滤器前盖100上的细小通孔形成。
本发明的线屑过滤器配合过滤盖300特有的上水引流结构310，洗涤水通过进水口220进入线屑过滤器过滤后，水通过过滤器前盖100的过滤部110流出，过滤器后盖200内壁上特有的鱼鳞状的防回流结构210能阻挡线屑的回流，大大提高了收集效果。同时，本发明因为取消了网袋，更加便于操作，长时间使用也不影响收集效果。
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. 一种线屑过滤装置，包括线屑过滤器，线屑过滤器包括过滤器前盖(100)和与其连接的过滤器后盖(200)，过滤器前盖(100)上设置滤水部(110)，过滤器后盖(200)上设置进水口(220)，其特征在于，所述过滤器后盖(200)的内壁上设置防回流结构(210)。
  2. 根据权利要求1所述的一种线屑过滤装置，其特征在于，所述的防回流结构(210)的高度为过滤器前盖(100)与过滤器后盖(200)闭合后形成间距的1/10～1/2。
  3. 根据权利要求1所述的一种线屑过滤装置，其特征在于，所述的进水口(220)设置在过滤器后盖(200)的上部，所述的防回流结构(210)在进水口(220)下部靠近进水口(220)设置，防回流结构(210)的设置面积小于等于过滤器后盖(200)内壁面积的1/2。
  4. 根据权利要求1所述的一种线屑过滤装置，其特征在于，所述的防回流结构(210)为设置在过滤器后盖(200)内壁上的一系列凸起结构形成，凸起结构之间交错设置。
  5. 根据权利要求4所述的一种线屑过滤装置，其特征在于，所述的防回流结构(210)为鱼鳞状凸起结构，所述的鱼鳞凸起状结构的侧截面呈直齿状。
  6. 根据权利要求1-5任意一项所述的一种线屑过滤装置，其特征在于，所述的线屑过滤装置还包括设置在洗衣机内桶上的过滤盖(300)，所述的线屑过滤器安装在过滤盖(300)上，进水口(220)下部的过滤器后盖盖壁与洗衣机内桶之间具有一间距。
  7. 根据权利要求6所述的一种线屑过滤装置，其特征在于，所述线屑过滤器下部的过滤盖(300)上设置上水引流结构(310)，上水引流结构(310)是由过滤盖(300)的盖壁向洗衣机内桶方向凹陷形成。
  8. 根据权利要求7所述的一种线屑过滤装置，其特征在于，所述上水引流结构(310)向内凹陷的内壁与洗衣机内桶之间的距离小于等于过滤器后盖(200)的底壁与洗衣机内桶之间的距离。
  9. 根据权利要求1所述的一种线屑过滤装置，其特征在于，所述的滤水部(110)包括过滤框和过滤网，所述的过滤框为设置若干过水口的框架结构，过滤网附在框架结构上。
  10. 根据权利要求1所述的一种线屑过滤装置，其特征在于，所述的滤水部(110)为设置在过滤器前盖(100)上的细小通孔形成。
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