CN104911860B

CN104911860B - Washing machine

Info

Publication number: CN104911860B
Application number: CN201410088777.8A
Authority: CN
Inventors: 黄振兴; 许升; 彭秀文
Original assignee: Qingdao Haier Washing Machine Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd
Priority date: 2014-03-12
Filing date: 2014-03-12
Publication date: 2019-04-05
Anticipated expiration: 2034-03-12
Also published as: CN104911860A

Abstract

The present invention discloses a kind of washing machine, it include: outer barrel, interior bucket, impeller, it further include the first filter device being filtered to the washing water for entering interior bucket by outer barrel, with the second filter device being filtered to the washing water that outer barrel is discharged, first filter device includes the interior bucket bottom filter screen that the bucket bottom of interior bucket is arranged in；The washing machine can be avoided influence of the washing water water level to line bits filter effect, meanwhile, contact of the washing water with filter is increased, filter effect is improved, automated cleaning can be carried out in drainage procedure, is improved work efficiency；The washing water circulation of above-mentioned washing machine, the clean method of filter method and its filter device are also disclosed in the present invention.

Description

Washing machine

Technical field

The present invention relates to rotary drum washing machine technical field more particularly to a kind of washing machines with two-filtration devices.

Background technique

Pulsator washing machine produces more multi-thread bits because the frictional force to clothing is larger while quick clean clothing, this A little line bits, which are sticked to, to be difficult to wash on clothes, and user is allowed to feel more headache.Existing washing machine mostly uses greatly hookup wire to consider filter to be worth doing Filter line bits, traditional lint filter due to its own structure and the relationship of installation site, to washing water water level have compared with High request is generally difficult to realize line bits filtering when washing water water level is too low, to influence clothes washing effect, and traditional line Filtering mesh bag is directly contacted with clothing in bits filter, and long-time service will cause filtering mesh bag abrasion, influences its service life.

Chinese patent literature CN201121269 discloses a kind of return water filtering of automatic washing machine in order to solve the above problem Device, including backwater cover plate, filtering square and filter screen；Filter screen is formed by filtering mesh bag and filtering rack welding, and upper end has Circular orientation frame；Filter screen caping end is equipped with elasticity u shape block tongue, and there is claw in lower end, filters circular orientation of the rack by upper end The positioning rib that covers of frame insertion filter screen, lower end are positioned by hook, are attached with filtering square；It is provided on backwater cover plate recessed Slot, top correspond to filter screen rack position and are provided with backwater outlet.Backwater outlet upper end is equipped with tongue port, and lower end is equipped with claw slot, The edge for filtering square is embedded in groove, and lower end claw is inserted into claw slot, and upper end elasticity u shape block tongue is embedded in tongue port.Due to adopting With filtering square, the abrasion of filtering mesh bag is effectively prevented, so that filter device is may be mounted at washing machine inner tub wall and takes up an official post What position solves the problems, such as that the abrasion of net-bag type water return filter mesh bag and low water level wash filter effect cannot take into account.

But contacted with washing water due to considering filter in filter process to be worth doing online and be just able to achieve filtering, traditional technical solution The contact range of washing water and filter is extremely limited, has a large amount of line bits and remains in the washing water not in contact with filter, Imaging filter effect.

Summary of the invention

It is an object of the invention to: a kind of washing machine is provided, with double circulation, filtration system, washing can be enhanced Water filter effect improves clothes cleaning efficiency, and filter effect is not influenced by water level.

To achieve this purpose, the present invention adopts the following technical scheme:

A kind of washing machine, comprising: outer barrel, interior bucket, impeller, including what is be filtered to the washing water for entering interior bucket by outer barrel First filter device, and to the second filter device that the washing water of outer barrel discharge is filtered, first filter device includes The interior bucket bottom filter screen at the bucket bottom of interior bucket is set.

Preferably, the interior bucket includes inner drum, includes the interior bucket of the side wall set on the inner drum on the inner drum Body water hole, be set to the inner drum bucket bottom circumference interior bucket bottom water hole.

Preferably, interior bucket bottom filter screen has at least one layer, passes through the bucket of interior bucket bottom ring flange and the inner drum Bottom is connected.

Preferably, described to form interlayer space between the inner barrel and outer barrel, the washing water in the inner drum passes through interior bucket bottom Water hole flows into the interlayer space, flows back to inside inner drum after the filter screen filtration of interior bucket bottom.

Preferably, second filter device, including filter cylinder and strainer, offer on the filter cylinder into The mouth of a river, water outlet and sewage draining exit, the strainer are installed in the filter cartridge body, and the inner cavity of filter cylinder are divided into Inner volume and external cavity two parts, inner volume upper end are connect with the water inlet, and lower end is connect with the sewage draining exit；Outside Portion's cavity connects with the water outlet, and sewage flows into inner volume from water inlet, and external cavity is entered after strainer filtering and is passed through Water outlet outflow, the impurity of filtering are discharged by the sewage draining exit.

Preferably, the filter cylinder lower end is provided with back taper changeover portion and connects the inner volume and the blowdown Mouthful.

Preferably, including the circulating pump being connect with outer barrel lower part, the outlet connection of the circulating pump the second filtering dress The water inlet set, the water outlet of the filter connect cylindric washer top by the road, form the circulating filtration circuit of closure；It is described The blowoff line of the sewage draining exit connection washing machine of second filter device.

Preferably, at least one is provided on the filter cylinder outer wall for connecting the air inlet of gas generating unit Mouthful.

Preferably, the cylindrical setting of the strainer is installed in the filter cartridge body.

Preferably, the gas generating unit is inflating pump or ozone generator.

The invention has the benefit that can be avoided influence of the washing water height of water level to line bits filter effect, increase simultaneously Add contact of the washing water with filter, improved filter effect, can be realized automated cleaning in drainage procedure, improves work Make efficiency, meanwhile, which makes the water between inside and outside bucket realize maximum convection current, can effectively improve washing for washing machine Net rate.

Detailed description of the invention

The present invention will be further described in detail below based on the drawings and embodiments.

Fig. 1 is washing machine structure schematic diagram described in the embodiment of the present invention.

Fig. 2 is the schematic perspective view of the interior bucket of washing machine described in the embodiment of the present invention.

Fig. 3 is interior bucket bottom structure schematic side view described in the embodiment of the present invention.

Fig. 4 is interior bucket bottom structure elevational schematic view described in the embodiment of the present invention.

Fig. 5 is filter structure schematic representation described in the embodiment of the present invention.

Fig. 6 is Fig. 5 left view.

Fig. 7 is Fig. 5 top view.

Fig. 8 is the circulation of washing of drum type washing machine water described in the embodiment of the present invention, filter process water (flow) direction schematic diagram (arrow in figure Head direction indicates water (flow) direction).

(arrow direction indicates water to water (flow) direction schematic diagram in figure when Fig. 9 is washing machine drainage described in the embodiment of the present invention Flow direction).

In figure:

1, inner drum；2, exterior bowl；3, impeller；4, drive shaft；5, balance ring；6, water extraction leaf；7, interior bucket bottom flange；8, interior Bucket bottom filter screen；9, interior bucket bottom water hole；10, inner drum water hole；11, impeller water hole；12, discharge outlet；13, recirculated water Pipe；14, filter；15, circulating pump；16, filter cylinder；17, strainer；18, sewage pipe；19, water inlet；20, water outlet； 21, sewage draining exit；22, air inlet；23, gas generating unit；24, drain valve.

Specific embodiment

To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.

As shown in figure 1-9, in this present embodiment, a kind of washing machine of the present invention, including cabinet, in cabinet with one heart It is provided with outer barrel, interior bucket and impeller 3, impeller 3 is arranged within the inner barrel close to the position of bottom of the barrel, and the bottom of box, which is provided with, to be worn Drive shaft 4 inside interior bucket is protruded into the bottom for crossing interior bucket and outer barrel, and drive shaft 4 is driven by driving motor, is additionally provided with use In the computerized version controller of control driving motor.

Wherein interior bucket includes inner drum 1, the balance ring 5 that 1 top of inner drum is arranged in, is arranged on 1 inner wall of inner drum Water extraction leaf 6 is provided with interior bucket bottom flange 7 on the bucket bottom of the inner drum 1, is equipped with work in the flange disk hole of interior bucket bottom flange 7 For the interior bucket bottom filter screen 8 of the first filter device, interior bucket bottom filter screen 8 is single layer structure, and the bucket with the inner drum 1 Bottom, 7 integrated injection molding of interior bucket bottom flange, the circumference side at 1 barrel of bottom of inner drum are provided with interior bucket bottom water hole 9, inner drum 1 It is provided with inner drum water hole 10 on side wall, is evenly arranged with impeller water hole 11 on the impeller 3.

Specifically, the geometric center on interior bucket bottom flange 7 along interior bucket bottom flange 7 is symmetrically arranged with four ring flanges Interior bucket bottom filter screen 8 is arranged in the position of the flange disk hole in hole, and in the setting of inner drum bottom sides, there are two interior bucket bottoms Water hole 9, the inner drum water hole 9 are symmetrically set, and the shape of the inner drum water hole 9 is rectangle.

Outer barrel includes exterior bowl 2, and 2 bottom of exterior bowl is provided with driving shaft mounting hole and discharge outlet 12, drive shaft installation Hole is arranged in 2 bottom middle position of exterior bowl.Discharge outlet 12 connects circulating water pipe water inlet, and circulating water pipe water outlet is connect by top It returns in washing machine inner drum 1, the filter 14 as the second filter device is provided in circulating water pipe 13, the setting of filter 14 exists Close to the position of 2 bottom of exterior bowl, in order to save electric energy with the start and stop of Discrete control circulating pump 15, on the other hand can The electromagnet cut off valve for needing to be mounted on originally in circulating water pipe is saved, cost is reduced.

Circulating pump 15 is provided on circulating water pipe 13 between exterior bowl 2 and filter 14, the filter 14 included Filter cylinder 16 and the strainer 17 being installed in filter cylinder 16.The strainer 17 is tapered to be vertically arranged to the filter In cylinder 16, water inlet 19, water outlet 20 and sewage draining exit 21 are offered on the filter cylinder 16, the sewage draining exit 21 connects There is sewage pipe 18, water inlet 19 is set to the top of the filter cylinder 16, and the water outlet 20 is set to the filter The middle part of 16 barrel of cylinder, the sewage draining exit 21 are set to the bottom of the filter cylinder 16, and 16 lower end of filter cylinder is also It is provided with the changeover portion of back taper, changeover portion connects inner volume and the sewage draining exit 21, the setting energy of the changeover portion of back taper Enough be conducive to the discharge of impurity, pass through air inlet 22 on the filter 14 and be connected with gas generating unit 23.

Filter cylinder 16 is detachable structure, and upper cover can be opened, convenient for the taking-up and loading of strainer 17.The filter Net 17 is installed in filter cylinder 16 in cone setting, and 16 inner cavity of filter cylinder is divided into inner volume and outside Cavity two parts, inner volume upper end are connect with the water inlet 19, and lower end is connect with the sewage draining exit 21, external cavity and institute It states water outlet 20 to connect, the drain valve 24 of control of sewage disposal is provided on the pipeline connected between sewage draining exit 21 and filter 14.

The material of strainer 17 can be nylon, stainless steel etc., and 17 aperture of strainer can be set to 200 μm -20 μm of coarse filtration, Line bits etc. can be filtered；It may be set to be 20 μm -0.01 μm, molecule and bacterium can be filtered, play the role of degerming.

The washing water cycle process of above-mentioned washing machine is described below, in washing process, drain valve 24 is in close state, Impeller turns to stop according to program setting than positive and negative rotation, starting circulating pump 15, and since impeller pumps principle, the water in interior bucket can maximum limit Degree flows through interior bucket bottom water hole 9, and enters between inside and outside bucket, main water flow process in washing process are as follows: washing water is by interior bucket Inside is flowed between impeller 3 and interior bucket bottom by impeller water hole 11, then by interior bucket bottom water hole 9 by flowing out inside interior bucket, Enter between the inner barrel and outer barrel, washing water enter between the inner barrel and outer barrel rear portion within the inner barrel portion and interior bucket with it is interior Circulation in carrying out between outer barrel, a part is discharged into circulating water pipe 13 from discharge outlet carries out outer circulation.

Wherein carry out in recycle washing water can by bottom of the barrel be arranged interior bucket bottom filter screen 8 and interior bucket side wall on Inner drum water hole 10, be back to inside interior bucket, since inner drum water hole 10 is smaller, line in washing water considers most of quilt to be worth doing It is blocked between interior outer barrel, is considered to be worth doing line by the effect of interior bucket bottom filter screen 8 by the washing water that interior bucket bottom filter screen 8 flows back to interior bucket Filtering, stays in it between the inner barrel and outer barrel, and enters circulating water pipe 13 with washing water and carry out outer loop, in circulating pump Washing water is flowed along circulating water pipe 13 under the action of 15, and when by filter 14, the line in washing water is considered to be worth doing by filter 14 filterings, and washing water is flowed back to inside interior bucket by filter 14 by circulating water pipe water outlet.

The filter device of the washing machine cleans process are as follows: when washing terminates draining, impeller 3 stops operating, and closes circulating pump 15 open drain valves 24 and gas generating unit 23, washing water freely discharge downwards under gravity, thus preferentially by It is discharged at interior bucket bottom filter screen 8, water (flow) direction is adhered to interior bucket bottom when on the contrary, filtering with water (flow) direction when draining when due to filtering Impurity on filter screen 8 is easy to be washed when draining, and impurity enters together with washing water in circulating water pipe 13, in washing water The gas joint blown out when flowing through filter 14 with gas generating unit 23, bubble is generated in washing water, makes to filter The fluid of 17 region of strainer in device 14 forms disturbance so that the impurity on the strainer 17 is separated with strainer 17, separates Impurity afterwards is discharged with washing water by sewage draining exit 21.

In other embodiments can also quantity to the air inlet 22 described in above-described embodiment and setting position into Row adjusts, and can play by the quantity and adjustment setting position that increase air inlet 22 and stir 17 washed water of strainer comprehensively Effect, guarantees that impurity can smoothly fall off during blowdown.In order to play the effect of sterilizing, gas generating unit may be used also To use ozone generator.

It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former Reason, within the technical scope of the present disclosure, variation that anyone skilled in the art is readily apparent that or Replacement, should be covered by the scope of protection of the present invention.

Claims

1. a washing machine, comprising: an outer barrel, an inner barrel, a pulsator, characterized in that it comprises a first filtering device that filters the washing water entering the inner barrel by the outer barrel, and a second filtering device that filters the washing water discharged from the outer barrel. A filter device, the first filter device includes an inner barrel bottom filter screen (8) disposed at the barrel bottom of the inner barrel;

The second filtering device includes a filter (14), the filter (14) includes a filter cylinder (16) and a filter screen (17), and a water inlet (16) is opened on the filter cylinder (16). 19), a water outlet (20) and a sewage outlet (21), the filter screen (17) is installed in the filter cylinder (16), and the inner cavity of the filter cylinder (16) is divided into an interior The chamber and the outer chamber are two parts, the upper end of the inner chamber is connected with the water inlet (19), and the lower end is connected with the sewage outlet (21); the outer chamber is connected with the water outlet (20), and the sewage flows from The water inlet (19) flows into the inner cavity, and after being filtered by the filter screen (17), it enters the outer cavity and flows out through the water outlet (20), and the filtered impurities are discharged from the sewage outlet (21);

The lower end of the filter cylinder body (16) is provided with an inverted conical transition section connecting the inner chamber and the sewage outlet (21); the filter screen (17) is vertically installed on the filter cylinder in a conical shape Inside the body (16), the large end is connected to the water inlet (19), and the small end is connected to the sewage outlet (21).

2 . The washing machine according to claim 1 , wherein the inner tub comprises an inner tub body ( 1 ), and the inner tub body ( 1 ) includes an inner tub body passage provided on the side wall of the inner tub body ( 1 ). 3 . A water hole (10) and an inner barrel bottom water passage hole (9) arranged on the periphery of the barrel bottom of the inner barrel body (1).

3 . The washing machine according to claim 2 , wherein the inner tub bottom filter screen ( 8 ) has at least one layer, and is connected to the tub bottom of the inner tub body ( 1 ) through the inner tub bottom flange. 4 .

4. The washing machine according to claim 3, characterized in that an interlayer space is formed between the inner tub and the outer tub, and the washing water in the inner tub body (1) flows into the In the interlayer space, it flows back into the inner barrel (1) after being filtered by the inner barrel bottom filter screen (8).

5. The washing machine according to claim 1, characterized in that it comprises a circulating pump (15) connected to the lower part of the outer tub, and the outlet of the circulating pump (15) is connected to the water inlet (19) of the second filter device The water outlet (20) of the filter (14) is connected to the upper part of the inner barrel (1) through a pipeline to form a closed circulating filter circuit; the sewage outlet (21) of the second filter device is connected to the sewage pipeline of the washing machine.

6 . The washing machine according to claim 1 , characterized in that, at least one air inlet ( 22 ) for connecting a gas generating device ( 23 ) is provided on the outer wall of the filter cylinder ( 16 ). 7 .

7 . The washing machine according to claim 6 , wherein the gas generating device ( 23 ) is an air pump or an ozone generator. 8 .