CN105019197B - A kind of self-cleaning filter and washing machine - Google Patents
A kind of self-cleaning filter and washing machine Download PDFInfo
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- CN105019197B CN105019197B CN201410151244.XA CN201410151244A CN105019197B CN 105019197 B CN105019197 B CN 105019197B CN 201410151244 A CN201410151244 A CN 201410151244A CN 105019197 B CN105019197 B CN 105019197B
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Abstract
The present invention relates to a kind of filter, especially a kind of self-cleaning filter and washing machine；The filter includes：Housing（1）, housing（1）It is interior to be provided with filter screen（4）；Filter screen（4）By housing（1）Inner space is divided into the water inlet of two parts, Part I and filter（11）It is connected, the delivery port of Part II and filter（12）It is connected；Provided with the cleaning particle for washing filter screen by rubbing with the hands in described Part I and/or Part II（3）, pass through housing（1）Middle current drive cleaning particle（3）Wash filter screen by rubbing with the hands（4）, to realize the cleaning of filter interior.So as to so that filter realizes repetition, facility, automatic self-cleaning purpose, improves the service life of filter.Present invention also offers a kind of washing machine equipped with as above self-cleaning filter.
Description
Technical field
The present invention relates to a kind of filter, especially a kind of self-cleaning filter and washing machine.
Background technology
Water treatment procedure is exactly the process of waste water treatment and reclamation, so the quality in order to ensure backwater, has a result can
The filter leaned on is necessary.And some filters used on existing home appliance, generally using filter net type,
By the way that waste water is flowed through into filter screen, debris is attached on filter screen, to realize the separation to debris in waste water, reach waste water filtering
Purpose.
Such as a kind of household filter of Chinese patent of Application No. 99240468, including a filter upper body, a filter core, one
There are a water inlet, a delivery port in filtration barrel body, the filter upper body, lead to the middle delivery port of filter core with one;The filter core
It is made up of, is screwed onto on middle delivery port hollow backbone and filter screen;The filtration barrel body is located at the outer ring of filter core, is screwed onto filtering
On device upper body.The utility model can filter off the solid particle polluter in water, can prevent the family expenses such as washing machine, dish-washing machine, water heater
The abrasion and scuffing of equipment, and anti-water check valve abrasion and stuck, the service life of extension device.
But, the filter adopted the structure can not be cleaned, this is resulted in filter automatically in use
Use time it is accumulative, the debris for easilying lead to adhere on filter screen after using a period of time is built up, and causes filtering
Device fails.
In view of this it is special to propose the present invention.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art there is provided a kind of self-cleaning filter, with
Realize the purpose that filter is cleaned automatically.
In order to solve the above technical problems, the present invention is using the basic conception of technical scheme：A kind of self-cleaning filter, its
Including：Filter screen is provided with housing, housing；Enclosure interior space is divided into two parts, the water inlet of Part I and filter by filter screen
Mouth is connected, and Part II is connected with the delivery port of filter；It is provided with and washes by rubbing with the hands in described Part I and/or Part II
The cleaning particle of filter screen, drives cleaning particle to wash filter screen by rubbing with the hands, to realize the cleaning of filter interior by current in housing.
The method of present invention cleaning filter interior is to have used for reference the interior bucket of washings friction in washing machine inner tub to make it will not
The principle of bind dirt breed bacteria.Cleaning particle is placed at position in the filter screen of filter or between filter screen and housing, so that
Cleaning particle rubs with water movement to filter screen, reaches the purpose cleaned to filter interior.
Material or rubber or plastic foamed thing that particle can be sponge kind are cleaned in the present invention.As foamed
Rubber, foamed plastic, foaming composite polyurethane, it has under certain elasticity, drying regime, and its density ratio water is small, has in water
Waterlogged property, it is cheap, can directly it be thrown away afterwards using multiple.
Further, described cleaning particle has a foaming structure, and with immersion property, after cleaning particle immersion its
Density and water are approached, and can freely be moved about with current in filter.
Further, the shape of described cleaning particle can be spherical, column, strip or irregular, cleaning particle
Width is d.The width d of the cleaning particle, length for the most narrow place of the cleaning particle or be the cleaning particle particle diameter.Filter
Spacing between net and housing is D1, and the spacing of its interior is D2,0.2D1≤d≤0.9D1 and/or 0.2D2≤d≤0.9D2；
It is preferred that, 0.4D1≤d≤0.7D1 and/or 0.4D2≤d≤0.7D2.
Further, the aperture of the water inlet of the filter and/or delivery port is less than the width d of cleaning particle, to avoid
Clean particle with current from water inlet and/or delivery port outflow filter the occurrence of.
Further, the water inlet and/or water outlet of the filter provided with evagination, by list structure or network structure
The interception net of composition, to intercept cleaning particle.The gap of list structure or network structure that net is intercepted due to constituting is less than cleaning
The width of particle, it is to avoid cleaning particle is with current through the occurrence of intercepting net, outflow filter.
Further, described housing bottom is provided with dismountable base；Described base is provided with to be extended to enclosure interior
Skeleton, skeleton overlying is covered with filter screen；Described filter screen surrounds the Part I of filter, and Part I on base with setting
Water inlet be connected；Part between filter screen and housing is the Part II of filter, and Part II is set with housing upper
Delivery port be connected.
Further, described filter is provided with the sewage draining exit of filter interior emissions, described sewage draining exit with
The Part I of filter is connected, and the aperture of the sewage draining exit is less than the width d of cleaning particle；It is preferred that, described row
Dirty mouth is located at the top of filter housings；It is further preferred that the switching device provided with control opening and closing at described sewage draining exit.
Further, described housing bottom is provided with incorporating section be connected with its interior, for cleaning powder collection.
Further, described filter screen is made up of the network structure for multiple filter bores of arranging, described filter bores pore size
It is less than the width d of cleaning particle for d1, d1；It is preferred that, d1≤0.1d.
Further, described filter housings are provided with the air inlet being connected with high-pressure air source, into filter head housings body
Portion's air inlet drives immersion cleaning particle free movement in the filter；It is preferred that, on the inwall of described filter housings bottom
Provided with annular air inlet gap, described air inlet gap is connected with air inlet, and it is wide that the air inlet gap width is less than cleaning particle
Spend d；It is further preferred that the switching device provided with control opening and closing at described air inlet.
Another object of the present invention is to provide a kind of washing machine using as above any self-cleaning filter.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
1st, the self-cleaning filter protected of the present invention, the method simple possible cleaned to filter interior, and only need pair
Existing filter adds standalone module --- and cleaning particle can just realize automatically cleaning effect, provide the user alternative.
2nd, the design science of particle is cleaned, while with cleaning function, moreover it is possible to play a part of sterilizing.
3rd, cleaning particle is cheap, and can recycle, noiseless using process, and can be in the housing of filter
Portion carries out comprehensive thorough cleaning.
4th, in the present invention, the air inlet being connected with high-pressure air source is set on the filter, cleaning is improved with further
The motion active degree of grain in the filter, reaches the purpose for improving self-cleaning filter efficiency；
5th, simple in construction, effect of the invention significantly, is suitably promoted the use of.
Brief description of the drawings
The structural representation of filter in Fig. 1 and Fig. 2 embodiment of the present invention；
Fig. 1 A-A section structure schematic diagrames in Fig. 3 embodiment of the present invention；
Fig. 1 B-B section structure schematic diagrames in Fig. 4 embodiment of the present invention；
Fig. 2 C-C section structure schematic diagrames in Fig. 5 embodiment of the present invention；
The structural representation of filter bottom in Fig. 6 embodiment of the present invention；
Main element explanation：1-housing, 2-skeleton, 3-cleaning particle, 4-filter screen, 5-base, 6-support member,
11-water inlet, 12-delivery port, 13-sewage draining exit, 14-air inlet, 15-incorporating section, 21-ring pipe, 22-vertical beam,
23-conical pipe, 24-crossbeam, 51-buckle, 52-sealing ring, 53-inlet chamber, 54-slot, 55-inlet pipeline, 56-
Air inlet pipeline, 61-air inlet gap, 62-collar joint, 63-connecting plate, 64-grafting is raised.
Embodiment
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 6, a kind of self-cleaning filter, including cylindrical shell 1, to constitute a receiving space；Described
Housing 1 is provided with water inlet 11 and delivery port 12；The described inside of housing 1 is provided with is divided into independently two by the inner space of housing 1
Point filter screen 4, the two parts divided are：Part I and Part II.Described Part I is connected with water inlet 11, the
Two parts are connected with delivery port 12.Described filter screen 4 is provided with filter bores, and the impurity in water is filtered, order filtering
Clean water afterwards flows out through delivery port 12.Described Part I is additionally provided with sewage draining exit 13, under filter screen 4 is filtered, retention
Dirt in the first portion is discharged with current from sewage draining exit 13.
In the present invention, the cleaning particle of filter screen is washed in described Part I and/or Part II by rubbing with the hands provided with least one
3, drive cleaning particle 3 to hit and rub the cleaning that filter screen 4 realizes filter interior by current in housing 1.Described cleaning
Particle 3 has foaming structure, and with immersion property, its density is approached with water after cleaning particle 3 soaks, can be in filter
It is interior freely to be moved about with current.
The shape of the cleaning particle 3 can be spherical, column, strip, irregular；It is preferred that, the cleaning particle 3
For spherical particle, to reduce the frictional force between cleaning particle 3 and filter screen 4, the purpose for improving the filter screen life-span is reached.Clean particle 3
Width be d；Spacing between filter screen 4 and housing 1 is that spacing inside D1, filter screen 4 is D2,0.2D1≤d≤0.9D1 and/or
0.2D2≤d≤0.9D2；It is preferred that, 0.4D1≤d≤0.7D1 and/or 0.4D2≤d≤0.7D2.
The caliber of the water inlet 11, delivery port 12 and the sewage draining exit 13 that are set on the filter is respectively less than cleaning particle
Width d；It is preferred that, the caliber of water inlet 11, delivery port 12 and sewage draining exit 13 is respectively less than 0.9d；It is further preferred that
The caliber of water inlet 11, delivery port 12 and sewage draining exit 13 is respectively less than 0.7d.So as to, it is ensured that the cleaning particle 4 in filter
It will not be rushed with current from water inlet 11 and/or delivery port 12 and/or sewage draining exit 13 to filter so that filter can reach
Long-term self-cleaning purpose.
Embodiment one
As shown in Figures 1 to 6, in the present embodiment, described filter is made up of columned housing 1, the bottom set of housing 1
Base 5 is connected to, so that housing 1 is internally formed independent, closed receiving space and can removably opened from bottom.The present embodiment
In, described housing 1 can also be the post that any geometries such as square, quadrangle, ellipse and combination are constituted by cross section
Shape structure.
The described periphery of base 5 is provided with least one buckle 51 outwardly, in same level, housing 1
Provided with the mounting hole being engaged with buckle, buckle 51 is made to be snapped connection with mounting hole formation so that between base 5 and housing 1
Snap connection realization through above-mentioned and interfix.The contact surface of described base 5 and housing 1 is provided with least one and arrives sealing ring 52,
To ensure the sealing in filter interior space.
Filter screen 4 is provided with described housing 1, by the inner space of housing 1 be divided into Part I that the inner side of filter screen 4 formed and
The Part II formed between the outside of filter screen 4 and the inner side of housing 1.Described base 5 is provided with water inlet 11, described water inlet
11 are connected through " L " shape pipeline with the Part I that the inner side of filter screen 4 is surrounded；The described top of housing 1 is provided with delivery port 12, described
Delivery port 12 and the outside of filter screen 4 and the inner side of housing 1 between Part II be connected.The top sealing of housing 1 is set, and
Provided with the sewage draining exit 13 being connected with Part I at the bottom centre of housing 1, it is provided with described sewage draining exit and controls its opening and closing
Control valve.
Embodiment two
As shown in Figures 1 to 6, provided with least one cleaning particle 3, institute in the Part I that the described inner side of filter screen 4 is surrounded
The current that the cleaning particle 3 stated can flow into enclosure interior with water inlet 11 be moved in the first portion, with to adhering on filter screen 4
Dirt, impurity etc. are washed by rubbing with the hands, realize the purpose of self-cleaning filter.
In the present embodiment, in the filter course of work, current from the water inlet inflow filter of lower housing portion
In a part, current wear filter screen and the dirt in water are attached on filter screen to realize the purpose of filtered water stream；Current after filtering
Into Part II, and the delivery port outflow filter set through housing upper；Meanwhile, the first cleaning particle not in part with
Current are moved in the first portion, in motion process, produce the friction and collision of opposed screen, and the dirt adhered on filter screen is rubbed with the hands
Wash, improve the permeability of filter screen, reach the purpose for improving filter efficiency；Work and complete or work certain time in filter
After t, sewage draining exit being set on filter, being connected with Part I is opened so that current are with the dirt in Part I
Thing is drained into outside filter from the sewage draining exit of case top.
So as to so that filter realizes repetition, facility, automatic self-cleaning purpose, improves the use longevity of filter
Life.
Embodiment three
As shown in fig. 6, the described bottom of base 5 is provided with the inlet pipeline 55 of " L " shape, horizontal-extending set of its one end is constituted
Water inlet 11, the periphery of described horizontal-extending end protrusion base 5 is set, in order to which water inlet is connected with external connection pipeline
Connect；The other end is extended vertically, and described vertical elongated end extends to the top surface of base 5, with first inside housing 1
Split-phase is connected；It is preferred that, the axis of the vertical elongated end of inlet pipeline 55 of " L " shape along housing 1 is set.
In the present embodiment, described skeleton 2 upwardly extended by the ring pipe 21 of bottom, from the top of ring pipe 21 at least two
The bottom-up conical pipe 23 gradually narrowed that root is connected with respect to the vertical beam 22 that housing axisymmetrical is set, with each top of vertical beam 22
Composition.The upper opening of the conical pipe 23 is connected through bending pipeline with extending horizontally to the sewage draining exit 13 outside protrusion housing 1.
It is preferred that, at equal intervals provided with least one circle crossbeam 24 on described vertical beam 22.
In the present embodiment, the described outer side covers of skeleton 2 are provided with filter screen 4, and described filter screen 4 is by being placed with multiple filter bores
Fenestral fabric constitute, the width d of the apertures of the filter bores much smaller than cleaning particle 3.
In the present embodiment, described support member 6 of the skeleton 2 through lower section is mutually supported with base 5 to be connected.Described support member 6
It is integrally formed by the collar joint 62, connecting plate 63 and grafting projection 64 of top.The described insertion skeleton 2 of collar joint 62
In the ring pipe 21 of bottom, to cause support member 6 is realized with skeleton 2 to be removably fixedly connected.Described connecting plate 63 is water
The flat ring-type sheet material set, its upper surface is connected with the bottom of collar joint 61, and annular shape is bent to form under inner circumferential
Grafting projection 64.The described top of base 5 supplies to insert provided with one week groove around the outside of the vertical elongated end of inlet pipeline 55 to constitute
The slot 54 that projection 64 is installed is connect, support member 6 is realized and is connected with the grafting support of base 5.
Example IV
As shown in Figures 1 to 6, in the present embodiment, described filter housings 1 are provided with what is be connected with external high pressure source of the gas
Air inlet 14, the immersion cleaning free movement in filter housings of particle 3 is driven to be formed to the inside air inlet of filter housings 1
Bubble so that the active degree of cleaning particle 3 is improved, to increase automatically cleaning efficiency of the cleaning particle to filter.
In the present embodiment, the grafting projection 64 of the support member 6 is with the formation of slot 54 of base 5 for support member 6 and base 5
The connected structure being connected.The width of described grafting projection 64 is smaller than the width of slot 54, to form inserting for gap cooperation
Binding structure, the gap between described grafting projection 64 and groove 54 constitutes located at filter bottom, on filter inwall, ring
The air inlet gap 61 of shape.
The inlet chamber 53 of annular closed, described inlet chamber 53 are formed between described base 5 and the connecting plate 63 of support member 6
It is connected with air inlet gap 61.The described top of base 5 is additionally provided with air inlet pipeline 56, and described air inlet pipeline 56 is horizontal-extending to be set
Put, its end that leans out for protruding the outside of base 5 constitutes air inlet 14；The other end is extended horizontally to be connected with inlet chamber 53.It is described
Air inlet 14 at be additionally provided with control its break-make control valve.
By said apparatus, make the gases at high pressure flowed into from air inlet 14 in air inlet pipeline 56, the inlet chamber 53 through annular
Carry out after even office reason, then be uniformly blown into along air inlet gap 61 in the Part I inside filter housings, formed and driven clearly
The bubble that clean particle 3 is moved, to improve the active degree of cleaning particle 3.
Embodiment five
As shown in Figures 1 to 6, in the present embodiment, the bending curved surface of the inner circumferential formation arc of described support member 6, in it
The width that Zhou Kuandu is less than the inner circumferential of collar joint 62 set up on cleaning particle width d, support member 6 is more than cleaning particle
Width d, to cause the top of support member 6 to form the incorporating section 15 stored for cleaning particle 3.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to the present invention's
Preferred embodiment is described, and not the spirit and scope of the present invention are defined, and is not departing from design philosophy of the present invention
Under the premise of, the various changes and modifications that professional and technical personnel in the art make to technical scheme belong to this hair
Bright protection domain.
Claims (14)
1. a kind of self-cleaning filter, it includes：Filter screen (4) is provided with housing (1), housing (1)；
It is characterized in that：Housing (1) inner space is divided into the water inlet of two parts, Part I and filter by filter screen (4)
(11) it is connected, Part II is connected with the delivery port (12) of filter；
Provided with the cleaning particle (3) for washing filter screen by rubbing with the hands in described Part I and/or Part II, pass through current in housing (1)
Cleaning particle (3) is driven to wash filter screen (4) by rubbing with the hands, to realize the cleaning of filter interior, the width of cleaning particle (3) is d；
Spacing between filter screen (4) and housing (1) is D1, and the internal spacing of filter screen (4) is D2,0.2D1≤d≤0.9D1 and/or
0.2D2≤d≤0.9D2；
Described cleaning particle (3) has foaming structure, and with immersion property, its density after cleaning particle (3) immersion
It is close with water, can freely it be moved about with current in filter.
2. a kind of self-cleaning filter according to claim 1, it is characterised in that：The shape of described cleaning particle (3)
Can be spherical, column, strip or irregular.
3. a kind of self-cleaning filter according to claim 2, it is characterised in that：0.4D1≤d≤0.7D1 and/or
0.4D2≤d≤0.7D2。
4. according to a kind of any described self-cleaning filter of claims 1 to 3, it is characterised in that：The water inlet of the filter
The aperture of mouth (11) and/or delivery port (12) is less than the width d of cleaning particle (3).
5. a kind of self-cleaning filter according to claim 4, it is characterised in that：The water inlet (11) of the filter
And/or delivery port (12) place is provided with the list structure or network structure of evagination, to intercept cleaning particle (3).
6. according to a kind of any described self-cleaning filter of claims 1 to 3, it is characterised in that：Described housing (1) bottom
Provided with dismountable base (5)；Described base (5) is provided with the skeleton (2) of the extension to the inside of housing (1), skeleton (2) overlying
It is covered with filter screen (4)；
Described filter screen (4) surrounds the Part I of filter, and Part I is connected with the water inlet (11) set on base (5)
It is logical；
Part between filter screen (4) and housing (1) is the Part II of filter, and Part II is set with housing (1) top
Delivery port (12) is connected.
7. according to a kind of any described self-cleaning filter of claims 1 to 3, it is characterised in that：Set on described filter
Have the sewage draining exit (13) of filter interior emissions, described sewage draining exit (13) is connected with the Part I of filter,
The aperture of the sewage draining exit (13) is less than the width d of cleaning particle (3).
8. a kind of self-cleaning filter according to claim 7, it is characterised in that：Described sewage draining exit (13) is located at filtering
The top of device housing (1)；Described sewage draining exit (13) place is provided with the switching device for controlling its opening and closing.
9. according to a kind of any described self-cleaning filter of claims 1 to 3, it is characterised in that：Described housing (1) bottom
Provided with incorporating section (15) being connected with filter screen (4) inside, being collected for cleaning particle (3).
10. according to a kind of any described self-cleaning filter of claims 1 to 3, it is characterised in that：Described filter screen (4) by
The network structure for multiple filter bores of arranging is constituted, and described filter bores pore size is d1, and d1 is less than the width of cleaning particle (3)
d；d1≤0.1d.
11. according to a kind of any described self-cleaning filter of claims 1 to 3, it is characterised in that：Described filter housings
(1) provided with the air inlet (14) being connected with high-pressure air source, cleaning particle (13) is driven to the internal air inlet of filter housings (1)
Free movement in the filter.
12. a kind of self-cleaning filter according to claim 11, it is characterised in that：Described filter housings (1) bottom
Air inlet gap (61) of the inwall in portion provided with annular, described air inlet gap (61) is connected with air inlet (14), it is described enter
Gas gap (61) width is less than cleaning particle (3) width d.
13. a kind of self-cleaning filter according to claim 11, it is characterised in that：Described air inlet (14) place is provided with
The switching device for controlling it to be opened and closed.
14. a kind of washing machine using the self-cleaning filter as described in claim 1 to 13 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151244.XA CN105019197B (en) | 2014-04-15 | 2014-04-15 | A kind of self-cleaning filter and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410151244.XA CN105019197B (en) | 2014-04-15 | 2014-04-15 | A kind of self-cleaning filter and washing machine |
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| Publication Number | Publication Date |
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| CN105019197A CN105019197A (en) | 2015-11-04 |
| CN105019197B true CN105019197B (en) | 2017-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410151244.XA Active CN105019197B (en) | 2014-04-15 | 2014-04-15 | A kind of self-cleaning filter and washing machine |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107488979A (en) * | 2017-08-10 | 2017-12-19 | 青岛海尔洗衣机有限公司 | Cleaning structure, lint filter and washing machine |
| CN109957947A (en) * | 2017-12-22 | 2019-07-02 | 青岛胶南海尔洗衣机有限公司 | A kind of washing machine cycles filter device and washing machine |
| CN110464272A (en) * | 2018-05-11 | 2019-11-19 | 青岛海尔洗碗机有限公司 | A kind of automatically cleaning filter device of dish-washing machine |
| DE102019216696A1 (en) * | 2019-10-30 | 2021-05-06 | BSH Hausgeräte GmbH | Laundry care device with a filter element |
| CN111054213B (en) * | 2019-12-23 | 2024-11-15 | 上海世浦泰膜科技有限公司 | A self-cleaning filter cloth filter |
| WO2021213543A1 (en) * | 2020-05-29 | 2021-10-28 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN112717698A (en) * | 2020-12-09 | 2021-04-30 | 温州职业技术学院 | Self-cleaning filter device |
| CN115961455A (en) * | 2021-10-13 | 2023-04-14 | 青岛海尔洗衣机有限公司 | Filter equipment and washing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344558A (en) * | 1993-02-16 | 1994-09-06 | Amway Corporation | Water filter cartridge |
| CN2519696Y (en) * | 2001-12-03 | 2002-11-06 | 陈志坚 | Brush type self-cleaning filter water purifier |
| CN2553871Y (en) * | 2002-06-21 | 2003-06-04 | 邱宝辰 | Small-sized drinking water filter |
| CN101474510B (en) * | 2009-01-01 | 2011-05-11 | 黄樟焱 | Method for cleaning micropore ceramics and filtering equipment using the method |
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2014
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