CN102071559A - Washing machine with improved filter for the draining circuit - Google Patents
Washing machine with improved filter for the draining circuit Download PDFInfo
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- CN102071559A CN102071559A CN2010106249700A CN201010624970A CN102071559A CN 102071559 A CN102071559 A CN 102071559A CN 2010106249700 A CN2010106249700 A CN 2010106249700A CN 201010624970 A CN201010624970 A CN 201010624970A CN 102071559 A CN102071559 A CN 102071559A
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- filter
- bypass line
- rhone
- washing machine
- washtub
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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
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- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
A washing machine (1) comprises a washing tub (5), a draining sump (9) fluidly communicating to the internal of the washing tub (5) and fluidly connected to a draining circuit (10), a filter (12) associated or associable to the draining sump (9) and provided with a filtering surface (19) adapted for allowing the passage of a liquid and for impeding the passage of bodies of fixed dimensions. The filter (12) comprises at least one by-pass conduit (21) adapted for directing a flow of washing liquid from the washing tub (5) to the bottom of the draining sump (9), by-passing the filtering surface (19).
Description
Technical field
The present invention relates to a kind of washing machine, this washing machine has the improved filter that is used for the draining loop.
Background technology
It is emphasized that in this application statement " washing machine " can refer to the washing machine (promptly only can wash the washing machine with rinsing clothes) of " simply ", also can refer to clothes washer-dryer (i.e. the washing machine of all right drying clothes).
In addition,, be apparent that the present invention can be applied to top loading type washing machine basically under the situation of important modification even next the present invention only is described with regard to front loading type washing machine by way of example.
Now, washing machine generally includes shell, and this shell is provided with the load/unload door that allows the turnover washtub, and washtub holds revolvable cylinder with perforation, and clothing to be washed can be loaded onto in the cylinder.
Known washing machine comprises the water inlet loop that is used for water and washing/rinse products (being washing agent, softener etc.) are supplied to washtub.
Known washing machine also comprises the draining loop that generally includes draining pump and some drainpipes, and this draining loop is used for will coming from washing/rinsing liquid (being water and the water that mixed washing/rinse products) discharge of washtub after washing and rinse stage.
The draining loop generally includes filter, filter is placed between the bottom and draining pump of washtub, be used to keep here all undesirable objects by being arranged in the hole on the cylinder periphery or all the undesirable objects by falling into the washtub bottom between cylinder and the washtub (for example the button that falls down from clothing, bring the coin etc. of washing machine into because of carelessness), these objects can damage or stop up draining pump.
Most of common filters are made up of the cylindrical box body that is attached to the washing machine base portion, and this filter holds the filter that can remove that fluid is connected the draining pump upstream.Can be via a stopper that can remove fast near this box body that holds filter, this just allows filter to be removed and to clean, stopper by being arranged in washing machine shell antetheca or the door of rear wall cover, shell is depended in the position of door.
Also there are some known washing machines to comprise to be formed at the rhone of washtub side surface lower area (being the bottom of washtub), the internal flow UNICOM of this rhone and washtub, and fluid is connected to the upstream of draining pump.
Be mounted with filter in rhone, described filter is used for keeping here the undesirable object that may be included in washing/rinsing liquid, arrives draining pump so that prevent these objects; This filter normally is provided with the cup shaped body of filtering surface, and described filtering surface promptly is provided with the surface in a plurality of apertures, and being dimensioned to of these apertures allows washing/rinsing liquid to pass through, but stops the foreign body with fixed dimension to pass through.
In this case, the revolvable cylinder of washing machine is provided with at least one opening, and described opening closes, is used to make the user to contact filter from the inside of washing machine by the lid that can remove, so that for example filter is cleaned; Typically, filter can be removed from rhone, so that the cleaning of filter.
A kind of washing machine of prior art for example has been described in GB1197919, this washing machine comprises a kind of filter, this filter is used to stop residual dirt to arrive and stop up draining pump and drainpipe thereof, and this filter can be removed by the inside from washtub so that check, clean and change, above-mentioned document discloses a kind of washing machine, this washing machine comprises that base portion has the tank of opening (being washtub), by the draining pump that is connected with the opening of tank of pipe and be arranged in basket (being swing roller) in the tank; The cupped form of strainer element can be located in the opening of tank with removing, and having on the sidewall of filter cell has the filter opening, and is provided with opening so that the path of turnover filter cell is provided in basket, and described opening is provided with the closure member that can remove.
The known washing machine of another example has been described among the FR2190966, this washing machine is provided with the filter that can remove from the inside of washtub, above-mentioned document discloses a kind of top loading type washing machine, this washing machine comprises the washtub that holds swing roller, the side surface of cylinder be provided with first and with first second of relatively arranging, first is used for the load/unload clothing, and second is used to reclaim the fabric (linen) that may slide between washtub and cylinder.Bottom at washtub is fixed with connector, and this connector is provided with the pipeline of one of end of being used to receive drainpipe at its interior zone.Be provided with in the described connector and have family, this chamber is used for the receiving filtration device, can be by two doors opening cylinder simultaneously near filter.
In addition, European patent n.EP1849904 has also illustrated a kind of known washing machine that comprises the filter that can contact from the inside from washtub, the document discloses a kind of top loading type washing machine, this washing machine comprises and the approaching device of lifter all-in-one-piece drain filter that described lifter is relative on diametric(al) with cylinder inlet/outlet (promptly allowing the inner cap of turnover cylinder).Drain filter comprises main body and lid near device, and having of making in the included opening of this main body and the cylinder body identical shapedly aimed at sized opening, and described lid is hinged on the described main body, and is locked on the described main body by simple ratchet mechanism.
Yet, be provided with the rhone of the bottom that is arranged in washtub and be placed in above mentioned known washing machine that rhone is used for keeping here the filter of all undesirable objects that washing/rinsing liquid may comprise and have below defective explanation; When began washing cycle, washing agent entered in the washtub by means of cold water stream, and water begins to be heated then, and cylinder begins rotation; The rising of water temperature and the main mechanical agitation that is caused by the rotation of cylinder promote detergent dissolution in washings.The problem that known solutions exists is: sometimes, the washing agent that flows in the washtub by means of cold water can enter in the rhone before not being dissolved in water, and be tending towards accumulating in the bottom of rhone, in this case, because the shape of rhone, and owing to there is the filter of the speed of the current reduce to flow through filter, the mechanical agitation of water works hardly.
Therefore, a certain amount of washing agent is stayed the bottom of rhone, and is not dissolved in the washings, thereby has reduced whole detersive efficiency.
Because the part washing agent is not dissolved in the washings, the amount of needed washing agent was big when the amount that therefore reaches the needed washing agent of certain clean result was fully dissolved than whole washing agent, therefore had the problem of washing agent waste.
In addition, the washing agent that accumulates in the rhone bottom may block the passage of washing/rinsing liquid sometimes, may cause the problem of washing machine spilling water thereupon.
Summary of the invention
Therefore; target of the present invention is to guarantee that basically washing/the rinse products (for example washing agent, softener etc.) in all washtubs that enter washing machine all is dissolved in the washings, so that effectively utilize the amount that all enter the washing/rinse products of washtub in washing cycle.
In this target, another object of the present invention be prevent to wash/rinse products accumulates in the bottom of rhone, thereby stops that flow of liquor is to the draining loop.
Another object of the present invention is basically known washing machine only to be done under the situation of very few modifications, the present invention also is applied in the known washing machine.
Therefore, the objective of the invention is to address the above problem, overcome the defective of being quoted of the prior art thus.
The applicant has been found that by the filter that uses the following draining loop that is used for washing machine can remove the washing/rinse products that accumulates in the rhone bottom, promote these washing/rinse products to be dissolved in the washings, and the water that comprises these lysed products is reentered in the washtub, described filter comprises at least one bypass line, described bypass line is walked around the filtering surface of filter, and the flow of liquor that is used for coming from washtub is directed to the bottom of rhone, rhone connects washtub and draining loop, and filter is connected to maybe and can be connected on the described rhone
Especially, other target above-mentioned and that become clear more hereinafter and purpose realize that by a kind of washing machine of the present invention this washing machine comprises:
-washtub;
-rhone, described rhone is connected with the internal fluid communication of described washtub and with draining loop fluid;
-filter, described filter be connected to maybe can be connected to described rhone and be provided be used to allow liquid by and the filtering surface that stops object to pass through with fixed dimension.
Described filter comprises at least one bypass line, and described bypass line is used to walk around the bottom that flow of liquor that described filtering surface ground will come from described washtub is directed to described sink.
Preferably, described bypass line comprises the pipeline that the inside that is used to make described washtub is connected with the bottom flow of described rhone, and described pipeline has the side surface that does not have perforation, thereby all cleaning solutions basically that enter described pipeline in the described washtub all flow in the described rhone.
Suitably, the shape and size of described at least one bypass line are used to allow liquid to pass through, and stop the foreign body with fixed dimension to pass through.
Advantageously, can not pass through described filtering surface if the shape and size of described at least one bypass line are designed to foreign body, so described foreign body can not pass through described bypass line.
Preferably, being dimensioned to of described at least one bypass line makes the speed of the liquid leave described at least one bypass line greater than the speed of the liquid that enters described at least one bypass line.
Advantageously, the cross section of the outlet of described at least one bypass line is less than the cross section of the import of described bypass line, thereby the speed of liquid stream of leaving described bypass line is greater than the speed of the liquid stream that enters described bypass line.
Preferably, when described filter is positioned in the described rhone, the import of described at least one bypass line is positioned at the bottom top of described washtub, so as the import of described at least one bypass line during revolvable cylinder rotation by water impact that described revolvable cylinder moved.
Suitably, described filter can remove from described rhone.
Advantageously, described filter comprises and is used to make described filter to be fixed to the coupling arrangement of described rhone in the mode that can remove.
Preferably, described filter comprises and is used to allow the user can easily remove the grip element of described filter from described rhone.
Further, the present invention includes a kind of filter that is used for the draining loop of washing machine, described filter comprise be used to allow liquid by and the filtering surface that stops object to pass through with fixed dimension; Described filter comprises at least one bypass line, and described bypass line is used to walk around the opposite side that liquid stream that described filtering surface ground will come from described filtering surface one side is directed to described filtering surface.
Advantageously, the shape and size of described at least one bypass line are used to allow liquid to pass through, and stop the foreign body with fixed dimension to pass through.
Suitably, can not pass through described filtering surface if the shape and size of described at least one bypass line are designed to foreign body, so described foreign body can not pass through described bypass line.
Preferably, being dimensioned to of described at least one bypass line makes the speed of the liquid leave described at least one bypass line greater than the speed of the liquid that enters described at least one bypass line.
Suitably, the cross section of the outlet of described at least one bypass line is less than the import cross section of described bypass line, thereby the speed of liquid stream of leaving described bypass line is greater than the speed of the liquid stream that enters described bypass line.
Description of drawings
From the description that provides with non-limiting example with reference to the accompanying drawings, can be expressly understood the features and advantages of the present invention more, in the accompanying drawing:
Fig. 1 is the part sectional side view according to washing machine of the present invention;
Fig. 2 is the stereogram according to the washtub of washing machine of the present invention, wherein for clarity sake analyses and observe and has represented some parts and removed some parts;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the side view cutaway drawing of the washtub of Fig. 2;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is that the master of the cylindric washer of Fig. 2 looks cutaway view;
Fig. 7 is the partial enlarged drawing of Fig. 6;
Fig. 8 is the cross sectional side exploded view of filter of the washing machine of Fig. 2;
Fig. 9 is the side view cutaway drawing of the filter of Fig. 8;
Figure 10 is the perspective exploded view of the filter of Fig. 8 and Fig. 9;
Figure 11 and 12 is two perspective views according to another embodiment of the filter of washing machine of the present invention;
Figure 13 is the side view of the filter of Figure 11 and 12;
Figure 14 is the side view cutaway drawing of the filter of Figure 13 along the XIV-XIV plane of Figure 13;
Figure 15 and 16 is according to the perspective view of another embodiment of the filter of washing machine of the present invention and side view cutaway drawing;
Figure 17 and 18 is according to the perspective view of another embodiment of the filter of washing machine of the present invention and side view cutaway drawing;
Figure 19 and 20 is according to the perspective view of another embodiment of the filter of washing machine of the present invention and side view cutaway drawing;
Figure 21 and 22 is two perspective views according to another embodiment of the filter of washing machine of the present invention;
Figure 23 is the side view of the filter of Figure 21 and 22;
Figure 24 is the side view cutaway drawing of the filter of Figure 23 along the XXIV-XXIV plane of Figure 23.
The specific embodiment
Illustrated in the accompanying drawings according to washing machine 1 of the present invention front loading type washing machine advantageously; But be apparent that the present invention can be applied to top loading type washing machine basically under the situation of important modification.
Be apparent that in addition, the present invention not only can be applied to the washing machine (promptly only can wash the washing machine with rinsing clothes) of " simply " basically under situation about revising, but also can be applied to clothes washer-dryer (i.e. the washing machine of all right drying clothes).
With reference to the accompanying drawings, washing machine 1 according to the present invention schematically illustrated in Fig. 1 comprises shell 2, and the antetheca 2a of shell 2 is formed with and imports and exports 3, imports and exports 3 and is provided with load/unload door 4, and door 4 allows to pass in and out the washtub 5 that is contained in the shell 2; Washtub 5 holds revolvable cylinder 6 with perforation, and clothing (not shown) to be washed can be loaded into (the not shown in the accompanying drawings revolvable hole that forms on cylinder 6 side surfaces of perforation that has) in the cylinder 6.
Water inlet loop 8 also comprises water inlet pipe 8b, and water inlet pipe 8b can be connected to the washing machine 1 outside water delivery main who exists, and is used for clean water is transported to drawer 8a; Water inlet loop 8 also comprises outlet pipe 8c, and outlet pipe 8c makes drawer 8a be connected with washtub 5 fluids, and is used for water and washing/rinse products are transported to washtub 5.Advantageously, water inlet loop 8 also comprises one or more valve (not shown) that are used to regulate current.
When clean water entered among the drawer 8a via water inlet pipe 8b, this clean water had washed away washing/rinse products of holding among the drawer 8a, and via outlet pipe 8c these products was transported in the washtub 5.
In unshowned another embodiment, water inlet loop 8 comprises the one or more reservoirs that are used for one or more washing/rinse products, and a certain amount of these washing/rinse products automatically are transported to washtub 5 according to washing procedure from described reservoir.
Advantageously, rhone 9 is placed in the lower area of washtub 5, makes that the liquid that holds in the washtub 5 can be carried towards this rhone 9 by the effect of gravity, therefore is transported to draining loop 10.
Preferably, rhone 9 forms in the mode that the lower area with washtub 5 is integral the formula structure, advantageously by forming by plastic material is molded.
Draining loop 10 comprises the draining pump 11 that is provided with the impeller (not shown), described impeller is contained among the 11a of blade wheel chamber, the 11a of blade wheel chamber preferably but not necessarily forms in the mode that is integral the formula structure with draining pump 9 and washtub 5, preferably corresponding to the extension of draining pump 9.
In unshowned another embodiment, draining loop 10 can also be provided with closed circuit, this closed circuit is used for discharging washing/rinsing liquid from the bottom of washtub 5, and described liquid is reentered in the upper area of washtub, so that improve the humidity of clothing.The closed circuit of washing machine is known in the prior art, therefore no longer does detailed description.
In embodiment shown in the drawings, filter 12 is box-like (or cup-shapeds), and described filter is general cylindrical advantageously, but described filter also can be prism or cube or parallelepiped or any other box-like configuration.
In the embodiment shown in Fig. 1-2 0, filter 12 is general cylindrical, and filtering surface 19 is included in the cylindrical side of filter 12.
In another embodiment shown in Figure 21-24, filtering surface 19 is the part of the basal surface 12a of filter 12 advantageously.
In unshowned another embodiment, filtering surface 19 is included in the cylindrical side of filter 12 and basal surface 12a in the two.
Be apparent that filter 12 can comprise single filtering surface or a plurality of filtering surface.
Advantageously, filtering surface 19 is provided with a plurality of openings 20, and these openings 20 are used to allow liquid to pass through, but stops size to be passed through greater than the object (for example coin, button etc.) of predetermined value, and predetermined value depends on the size of opening 20.
In all embodiments shown in the drawings, filter 12 can be removed from rhone 9, and for example for filter is cleaned, and described filter can be repositioned at after having cleaned in the rhone 9.
In this case, filter 12 comprises coupling arrangement, and described coupling arrangement is used for filter is fixed to rhone 9 in the mode that can remove.
Advantageously, described coupling arrangement comprises the outwards outstanding periphery flange 13 from the top edge 12b of filter 12, flange 13 is used to be placed with the edge against the washtub 5 that centers on rhone 9, and the remainder of filter 12 is positioned in the rhone 9, thereby prevents that filter 12 from falling in the rhone 9.
In the embodiment shown in Fig. 2-10, described coupling arrangement also comprises the interlock adapting device that is used to make that filter 12 can be connected with rhone 9 interlocks.Advantageously, described interlock adapting device comprises arm 14a, the 14b of the side surface that two or more are fixed to filter 12, and described arm is can strain, thus they can by with respect to the cylindrical side of filter 12 radially elasticity push.
Advantageously, described arm can be connected to filter 12 at the basal surface 12a place near filter 12, as being labeled as the arm of 14a among Fig. 2-10; Perhaps described arm can be connected to filter 12 in the central area near the cylindrical side of filter 12, as is labeled as the arm of 14b; Be apparent that, filter 12 can only be included in the arm 14a that is connected to filter 12 near the basal surface 12a place of filter 12, perhaps can only be included in the arm 14b that is connected to filter 12 near the central area of the cylindrical side of filter 12, can comprise that perhaps the central area of one or more arms that are connected to filter 12 at the basal surface 12a places near filter and one or more cylindrical side at close filter is connected to the arm of filter 12.
Advantageously, at least a portion of the lower area 15 of arm 14a, 14b tilts, and makes at least a portion of lower area 15 of described arm 14a, 14b increase near the top edge 12b of filter 12 time apart from the distance of the cylindrical side of filter 12 like this.
Suitable is that the free end 16 of arm 14a, 14b tilts in the opposite direction with respect to the lower area 15 of same arm; In other words, arm 14a, 14b tilt near their free end 16, make described arm reduce when the top edge 12b of close filter 12 apart from the distance of the cylindrical side of filter 12 like this.
In the embodiment shown in Figure 11-24, have only arm 14b to be connected to filter 12 in the central area of the cylindrical side of close filter 12; In these embodiments, the lower area 15 of arm 14b has zigzag fashion substantially.
Annular sieve 17 (annular riddle) are advantageously outstanding towards the inside of rhone from the edge around the washtub 5 of rhone 9.With reference to figure 5-7, during filter 12 was inserted rhone 9, the lower area 15 of arm 14a, 14b slided against annular sieve 17, and because this lower area 15 tilts, arm 14a, 14b are flexibly pushed to the cylindrical side of filter 12.After the free end 16 of arm 14a, 14b was crossed annular sieve 17, arm 14a, 14b be flexibly to the external movement of filter 12, thereby be positioned at the below of annular sieve 17 by the free end 16 of described arm; Thus, filter 12 is locked into rhone 9.
In order to remove filter 12 from rhone 9, the user must be pulled through filter 12 in the opposite direction with respect to rhone 9; The free end 16 of arm 14a, 14b slides against annular sieve 17, and because the certain tilt of free end 16, they cause arm 14a, 14b flexibly to move towards the cylindrical side of filter 12, thereby sieve 17 release arm 14a, 14b from annular, and make filter 12 freely to be removed.
In unshowned another embodiment, described coupling arrangement can comprise the screw thread (not shown), and described screw thread is arranged on the cylindrical side of filter 12; This screw thread be used for be arranged on rhone 9 inner surfaces on corresponding other screw thread (also not shown) engagement, so filter 12 can be fixed to rhone 9 and removes from rhone 9 by being threaded.
In also unshowned another embodiment, described coupling arrangement can comprise bayonet coupling.
Advantageously, the grip element that can describe better below filter 12 comprises, described grip element is used to make the user easily to remove filter 12 from rhone 9.
In also unshowned another embodiment, filter 12 is fixed to rhone 9 and/or forms in the mode that is integral the formula structure with rhone 9; Under latter event, the user can directly carry out the cleaning of filter 12 in rhone 9.Be apparent that be integral under the situation of formula structure at filter 12 and rhone, filter 12 and rhone 9 partly or wholly overlap.
For example for filter 12 is cleaned and/or replaces, can be from the inside of revolvable cylinder 6 with perforation via suitable aperture (not shown) near filter 12, described aperture is arranged on the side surface 6a of cylinder 6, thereby this aperture is towards rhone 9 on the special angle position of cylinder 6; During the program for washing of carrying out washing machine, this aperture is closed by closing device 18 (for example lid or observation window), and described closing device is used for selectively closing described aperture.In embodiment shown in Figure 1, closing device 18 advantageously comprises lifter, and described lifter can pivot with respect to the side surface 6a of cylinder 6, allows thereby described lifter can be raised near following aperture; This lifter is just the same with common lifter effect when not being raised, so this lifter helps improving during cylinder 6 rotates the stirring to clothing.
Advantageously, filter 12 comprises at least one bypass line (by-pass conduit) 21, and bypass line 21 is used to walk around the bottom that flow of liquor that filtering surface 19 ground will come from washtub 5 is directed to rhone 9; Therefore this flow of liquor has been removed and may have been accumulated in the washing/rinse products of rhone 9 bottoms, thereby promotes these washing/rinse products to be dissolved in the washings.
The flow of liquor that enters rhone 9 via bypass line 21 also causes eddying motion in the liquid in being contained in rhone 9, this eddying motion makes aforesaid liquid (washing/rinse products that wherein originally accumulated in rhone 9 bottoms is dissolved in the aforesaid liquid now) by filtering surface 19, thereby arrives washtub 5.
Be stressed that especially bypass line 21 does not belong to filtering surface 19, promptly described bypass line is not included in the filtering surface 19.
Advantageously, the shape and size of bypass line 21 are used to allow liquid to pass through, and stop the foreign body (for example coin, ring, button and similar pocket-handkerchief) of preliminary dimension to pass through; Especially, if being dimensioned to foreign body and can not passing through filtering surface 19 of bypass line 21, so described foreign body can not pass through bypass line 21.
Suitable is, bypass line 21 is arranged such that during cylinder 6 rotations, the flow of liquor (flux) of being moved by the rotation of cylinder 6 enters bypass line 21, and because the given shape of bypass line 21, flow of liquor adds the bottom and/or the side surface of flow speed and direction rhone 9, thereby accumulate in the washing/rinse products of rhone 9 bottoms with enough big power impact,, and promote these washing/rinse products to be dissolved in the washings so that remove these washing/rinse products.
Preferably, explain better as following meeting, bypass line 21 is arranged such that when filter 12 is positioned in the rhone 9, the import of bypass line 21 is positioned at the top, bottom of washtub 5, thus the water impact that the import of bypass line 21 is moved by revolvable cylinder 6 during revolvable cylinder 6 rotations.
In first embodiment shown in Fig. 2-10, filter 12 is general cylindrical, and the basal surface 12a of filter 12 be substantially truncated cone shape and have aperture 12c, this aperture 12c preferably is arranged on the corresponding less base portion of the truncated cone.
In this case, as noted earlier, filtering surface 19 is included in the cylindrical side of filter 12.
Advantageously, filter 12 comprises ducted body (hollow body) 22, ducted body 22 is tubulose preferably, outstanding and partly be positioned the inside of the cylindrical side of filter 12 from the edge of the aperture 12c that is arranged on filter 12 basal surface 12a, the upper end 22a of described ducted body extends to the top edge 12b top of filter 12, therefore when filter is positioned in the rhone 9, the upper end 22a of ducted body 22 protrudes in the top, bottom of washtub 5, thus the water impact that the upper end 22a of ducted body 22 is moved by revolvable cylinder 6 during revolvable cylinder 6 rotations.
In addition, upper end 22a extend to the ducted body 22 of the top edge 12b top of filter 12 can be by user's grasping, so that remove filter 12 from rhone 9; In this case, the grip element of filter comprises the upper end 22a of ducted body 22.
Advantageously but not necessarily, ducted body 22 and filter 12 almost coaxials, promptly ducted body 22 is located such that the longitudinal axis (not shown) of this ducted body overlaps substantially with the longitudinal axis of filter 12 (also not shown).In unshowned another embodiment, ducted body 22 is located such that the longitudinal axis of this ducted body does not overlap with the longitudinal axis of filter 12; For example, the longitudinal axis of the longitudinal axis of ducted body 22 and filter 12 can be parallel to each other, and perhaps can also relative to each other tilt.
During washing cycle, cleaning solution enters filter 12 from the top edge 12b of filter 12, arrives rhone 9 by filtering surface 19 (promptly by hole 20) then; The size that contains in the cleaning solution is trapped between the outer surface of the basal surface 12a of filtering surface 19, filter 12 and ducted body 22 greater than the foreign body in hole 20.
Especially, a certain amount of washing/rinse products (being washing agent) that is not dissolved in the washings may arrive rhone 9 via hole 20, and therefore this a certain amount of washing/rinse products that is not dissolved in the washings may accumulate in the bottom of rhone 9.
Preferably the hollow conduit 23 of general cylindrical is advantageously fixed to the inside of ducted body 22, preferably but not necessarily, hollow conduit 23 is coaxial with ducted body, has first gap 24 like this between the outer surface of the inner surface of ducted body 22 and hollow conduit 23; Advantageously, bypass line 21 comprises this first gap 24.
Suitably but not necessarily, the upper end 23a of hollow conduit 23 is openings, and the free end 22a of the upper end 23a of hollow conduit 23 and ducted body 22 arranges accordingly.
Advantageously, ducted body 22 comprises the aperture 25 on one or more upper end 22a that are arranged on it, and aperture 25 is communicated with first gap, 24 fluids, and the cleaning solution that is used for allowing to come from washtub 5 enters above-mentioned first gap 24, therefore enters in the bypass line 21.Advantageously, aperture 25 is used to allow liquid to pass through, but stops size to be passed through greater than the object (for example coin, button etc.) of predetermined value, and described predetermined value depends on the size in aperture 25; Especially, if being dimensioned to object and can not passing through filtering surface 19 of aperture 25, so described object can not pass through aperture 25 (therefore in embodiment shown in the drawings, the size in aperture 25 is equal to or less than the size in hole 20).
Advantageously, aperture 25 is located such that when filter 12 is in the rhone 9, during revolvable cylinder 6 rotations, and the water impact of being moved by revolvable cylinder 6 in aperture 25.
Advantageously, filter 12 shown in Fig. 2-10 comprises sliding members 26, this sliding members 26 comprises leg 27, leg 27 preferred at least in part with the outer surface of the basal surface 12a of filter 12 complementally be shaped (countershaped), therefore in this embodiment, leg 27 is cardinal principle truncated cone shapes.
Advantageously, sliding members 26 also comprises pin 28, and this pin 28 is given prominence to, can be slidably arranged on the hollow conduit 23 from leg 27; Therefore selling 28 can slide into unshowned external position from the interior location shown in Fig. 9, and at described interior location, leg 27 contacts with a plurality of spacer elements 29 of giving prominence to from the outer surface of the basal surface 12a of filter 12; In described external position, the stopping element 30 (for example annular sieve) that is arranged on the side surface of pin 28 contacts with the inward flange 31 that lower end 23b from hollow conduit 23 gives prominence to.
Therefore, when pin 28 is in described interior location, form second gap 32 between the outer surface of the basal surface 12a of leg 27 and filter 12; This second gap 32 is communicated with above-mentioned first gap 24 fluids.
Advantageously, the cross section in second gap 32 is littler than the cross section in first gap 24, therefore, and when liquid is accelerated when first gap 24 flows to second gap 32.
In general, the cross section (being the cross section in second gap 32 in this embodiment) that has of the outlet of bypass line 21 is less than the cross section of the import of bypass line 21.Like this, leave the speed of liquid stream of bypass line 21 greater than the speed of the liquid stream that enters bypass line 21; This has guaranteed that liquid stream accumulates in the washing/rinse products of rhone 9 bottoms with enough big power impact, so that remove these washing/rinse products, and promotes these washing/rinse products to be dissolved in the washings.
In the embodiment of Fig. 2-10, bypass line 21 advantageously comprises aperture 25, first gap 24 and second gap 32.
Shown in Fig. 5-7, when filter 12 inserted in the rhone 9, leg 27 contacted with the bottom of rhone 9, and therefore selling 28 is positioned in described interior location; At this interior location, filtering surface 19 ground that the bypass line 21 that comprises aperture 25, first gap 24 and second gap 32 is walked around filter 12 are connected with washtub 5 fluids with the inside of rhone 9.
During washing cycle, the washings that promoted by the rotation of cylinder 6 enter aperture 25 (aperture 25 is equivalent to the import of bypass line 21 in this case), by first gap 24 and arrive second gap 32 (promptly by bypass line 21), and spray towards the bottom of rhone 9 and side surface, thereby impact the washing/rinse products that may accumulate in rhone 9 bottoms, so that remove these washing/rinse products, and promote these washing/rinse products to be dissolved in the washings.As explained above, the liquid that enters rhone 9 via bypass line 21 also causes eddying motion, and this eddying motion promotes the water (washing/rinse products that originally accumulated in rhone 9 bottoms has been dissolved in the water that holds in the rhone 9 now) that holds in the rhone 9 to reenter in the washtub 5.
Advantageously, the length of pin 28 makes that when pin 28 is in above-mentioned interior location shown in Figure 9 the free end 28a of pin 28 is outstanding from the upper end 23a of hollow conduit 23, so that can see from the outside of filter 12.Whether this feature makes the user correctly insert the rhone 9 from visually examining filter 12; In fact, if filter 12 does not insert in the rhone 9 fully, sell 28 so and be not in described interior location, and it is outstanding from the upper end 23a of hollow conduit 23 to sell 28 free end 28a, so whether correctly the user can know filter 12 location by the upper end 22a that observes ducted body 22 simply.
Figure 11-14 illustrates the filter 12 according to second embodiment of the invention; In this embodiment, filter 12 is general cylindrical, and filtering surface 19 is included in the cylindrical side of filter 12.The basal surface 12a of filter 12 is truncated cone shape substantially advantageously.
Equally in this embodiment, filter 12 comprises ducted body 22, ducted body 22 is tubulose preferably, outstanding from the edge of the aperture 12c of the basal surface 12a that is arranged on filter 12, the upper end 22a that partly is positioned at the inside of cylindrical side of filter 12 and ducted body 22 extends to the top edge 12b top of filter 12, therefore when filter is positioned in the rhone 9, the upper end 22a of ducted body 22 is projected into the top, bottom of washtub 5, so that the water impact that the upper end 22a of ducted body 22 is moved by revolvable cylinder 6 during revolvable cylinder 6 rotations.
Advantageously, ducted body 22 comprises the one or more apertures 25 on the upper end 22a that is arranged on this ducted body, aperture 25 is located such that when filter 12 is in the rhone 9, during revolvable cylinder 6 rotations, and the water impact of being moved by revolvable cylinder 6 in aperture 25.
Dividing plate 33 is projected into the inside of ducted body from the upper end 22a of ducted body 22, and dividing plate 33 is divided into two first pipeline 34a, 34b with the inside of ducted body 22, each first pipeline all with described one or more apertures 25 one of at least fluid be communicated with.
Having second pipeline, 36, the second pipelines 36 between the outer surface of the basal surface 12a of filter 12 and base portion 35 is communicated with the first pipeline 34a, 34b fluid.Advantageously, the cross section of second pipeline 36 (the particularly cross section of the outlet of second pipeline 36) is less than the summation of the cross section of the first pipeline 34a, 34b, and like this, liquid is accelerated when flowing to second pipeline 36 from the first pipeline 34a, 34b.
In this second embodiment, bypass line 21 advantageously comprises aperture 25, the first pipeline 34a, 34b and second pipeline 36.
Figure 15 and 16 illustrates the filter 12 according to third embodiment of the invention; In this embodiment, filter 12 is different with the filter shown in Figure 11-14, because in the filter shown in Figure 15 and 16 12, the basal surface 12a of filter 12 is cardinal principle upside down funnel shapes (the basal surface 12a that is filter 12 is the cardinal principle truncated cone with sphering (rounded) side surface), and base portion 35 is smooth substantially; This causes the shape difference of second pipeline 36, so the shape difference of the outlet of bypass line 21.
Figure 17 and 18 illustrates the filter 12 according to four embodiment of the invention; In this embodiment, filter 12 is different with the filter shown in Figure 11-14, because in the filter shown in Figure 17 and 18 12, dividing plate 33 is not provided with base portion, and the first pipeline 34a, 34b are converging near the 12c place, aperture that is arranged on the basal surface 12a of filter 12; In this embodiment, bypass line 21 comprises aperture 25, the first pipeline 34a, 34b and aperture 12c.
In addition, in this embodiment, filter 12 is different from the filter shown in Figure 11-14, also because in the filter shown in Figure 17 and 18 12, the basal surface 12a of this filter also is the cardinal principle truncated cone shape, but the incline direction of the side surface of this truncated cone is opposite with the incline direction of the side surface of the truncated cone of Figure 11-14; That is to say that from the viewpoint of the outside of filter 12, the basal surface 12a of the filter shown in Figure 11-14 is a projection substantially.
Figure 19 and 20 illustrates the filter 12 according to fifth embodiment of the invention; In this embodiment, filter 12 is different with the filter shown in Figure 17 and 18, because in the filter shown in Figure 19 and 20 12, the basal surface 12a of filter 12 is cardinal principle upside down funnel shapes (the basal surface 12a that is filter 12 is the cardinal principle truncated cone with sphering side surface), and because dividing plate 33 arrives the basal surface 12a of filter, first passage 34a, 34b keep separating like this; Therefore, in this case, have two bypass lines 21, promptly comprise a bypass line 21 of one first pipeline 34a and respective apertures 25, and another bypass line 21 that comprises another first pipeline 34b and respective apertures 25.
Figure 21-24 illustrates the filter 12 according to sixth embodiment of the invention; In this embodiment, filter 12 is general cylindrical, and filtering surface 19 is included among the basal surface 12a of filter 12; Especially, filtering surface 19 is provided with a plurality of openings 20 (so the basal surface 12a of filter 12 is provided with a plurality of openings 20), a plurality of openings 20 are used to allow liquid to pass through, but the prevention size is passed through greater than the object (for example coin, button etc.) of predetermined value, and described predetermined value depends on the size of opening 20.
In this embodiment, the basal surface 12a of filter 12 preferably but not necessarily be substantially smooth.
In this embodiment, filter 12 comprises one or more next door 37a, 37b, described next door is connected to the side surface of filter, defines passage 38a, 38b like this between the basal surface 12a of the side surface of each next door 37a, 37b, filter 12 and filter; The position of next door 37a, 37b makes the part of basal surface 12a of the filter 12 define passage 38a, 38b not comprise filtering surface 19.
The top edge 12b of passage 38a, 38b and filter is opening accordingly, so the cleaning solution that holds in the washtub 5 can admission passage 38a, 38b; With passage 38a, 38b accordingly, the basal surface 12a that at least one water outlet 39 is arranged on filter 12 go up and/or side surface on, thereby liquid can flow out from passage 38a, 38b via this aperture 39.
Therefore, in this embodiment, have two bypass lines 21, each bypass line all comprises one of passage 38a, 38b and corresponding water outlet 39.
Be apparent that filter 12 also can include only a passage, therefore include only a bypass line, perhaps filter 12 can comprise two or more passages, therefore comprises two or more bypass lines 21.
Preferably but not necessarily, the upper end 40 of next door 37a, 37b extends to the top edge 12b top of filter 12, thereby when filter 12 is positioned in the rhone 9, the import of passage 38a, 38b is projected into the top, bottom of washtub 5, so that the water impact that the import of passage 38a, 38b is moved by revolvable cylinder 6 during revolvable cylinder 6 rotations.
Advantageously, the upper end 40 of next door 37a, 37b has curved shape, so that promote that cleaning solution enters in the corresponding bypass line 21.
Advantageously, equally at this embodiment, filter 12 comprises and is used to make the user can easily remove the grip element of filter 12 from rhone 9; In this embodiment, described grip element comprises handle 41, and handle 41 preferably is fixed to the upper end 40 of next door 37a, 37b.
In unshowned another embodiment, handle 41 can connect two zones of filter 12 top edge 12b.
In unshowned another embodiment, bypass line can comprise one or more pipes or pipeline, described pipe or pipeline for example are connected to the side surface of filter 12, and filtering surface 19 ground that are used to walk around filter 12 flow of liquor that will come from washtub 5 is directed to the bottom of rhone 9; One or more pipes like this or pipeline can be connected to the outside of filter side surface or the inboard of filter side surface, perhaps one or more pipes or pipeline can be connected to the outside of filter side surface, and one or more other pipe or pipeline inboard that can be connected to the filter side surface.
In also unshowned another embodiment, can be formed with one or more bypass lines (being the side surface that so one or more bypass lines pass through filters) in filter side surface inboard, the flow of liquor that the filtering surface ground that these bypass lines are used to walk around filter will come from washtub is directed to the bottom of rhone, and these bypass lines for example can form by molded filter suitably.
Therefore it can be seen, how the present invention realizes the target that proposed and purpose, provide a kind of washing machine, this washing machine is used to walk around one or more bypass lines that flow of liquor that filtering surface ground will come from washtub is directed to the bottom of rhone because filter is provided with, and allow removing to accumulate in the washing/rinse products of rhone bottom, thereby promote these washing/rinse products to be dissolved in the washings, and the water that comprises these dissolved products is reentered in the washtub.
Obtain effective utilization of washing agent and other washing/rinse products like this, the consumption of washing/rinse products is optimized, and therefore also reduced environmental pollution.
In addition, described one or more bypass lines have guaranteed to remove the washing/rinse products that accumulates in the rhone bottom, thereby have avoided these washings of gathering/rinse products to stop up the draining loop, have therefore reduced the danger of washing machine spilling water in this way.
In addition, the filter that is provided with one or more bypass lines according to the present invention can be used in and replace traditional filter in the known washing machine, therefore can also in known washing machine, remove the washing/rinse products that accumulates in the rhone bottom, so that promote these washing/rinse products to be dissolved in the washings, and the water that comprises these dissolved products is reentered in the washtub.
Claims (15)
1. a washing machine (1) comprising:
-washtub (5);
-rhone (9), described rhone (9) is connected with the internal fluid communication of described washtub (5) and with draining loop (10) fluid;
-filter (12), described filter (12) be connected to maybe can be connected to described rhone (9) and be provided be used to allow liquid by and the filtering surface (19) that stops object to pass through with fixed dimension;
It is characterized in that:
Described filter (12) comprises at least one bypass line (21), and described bypass line (21) is used to walk around the bottom that flow of liquor that described filtering surface will come from described washtub (5) (19) is directed to described rhone (9).
2. washing machine according to claim 1 (1), wherein said bypass line (21) comprises the pipeline that the inside that is used to make described washtub (5) is connected with the bottom flow of described rhone (9), and described pipeline has the side surface that does not have perforation, thereby all cleaning solutions basically that enter described pipeline in the described washtub (5) all flow in the described rhone (9).
3. washing machine according to claim 1 and 2 (1), the shape and size of wherein said at least one bypass line (21) are used to allow liquid to pass through, and stop the foreign body with fixed dimension to pass through.
4. according to one or multinomial described washing machine (1) in the aforementioned claim, wherein said at least one bypass line (21) if shape and size be designed to foreign body and can not pass through described filtering surface (19), so described foreign body can not pass through described bypass line (21).
5. according to one or multinomial described washing machine (1) in the aforementioned claim, being dimensioned to of wherein said at least one bypass line (21) makes the speed of the liquid that leaves described at least one bypass line (21) greater than the speed of the liquid that enters described at least one bypass line (21).
6. washing machine according to claim 5 (1), the cross section of the outlet of wherein said at least one bypass line (21) is less than the cross section of the import of described bypass line (21), thereby the speed of liquid stream of leaving described bypass line (21) is greater than the speed of the liquid stream that enters described bypass line (21).
7. washing machine according to claim 6 (1), wherein when described filter (12) is positioned in the described rhone (9), the import of described at least one bypass line (21) is positioned at the top, bottom of described washtub (5), so that the water impact that the import of described at least one bypass line (21) is moved by described revolvable cylinder (6) during revolvable cylinder (6) rotation.
8. according to one or multinomial described washing machine (1) in the aforementioned claim, wherein said filter (12) can be removed from described rhone (9).
9. washing machine according to claim 8 (1), wherein said filter (12) comprise and are used to make described filter to be fixed to the coupling arrangement of described rhone (9) in the mode that can remove.
10. according to Claim 8 or 9 described washing machines (1), wherein said filter (12) comprises and is used to allow the user can easily remove the grip element of described filter (12) from described rhone (9).
11. filter (12) that is used for the draining loop of washing machine (1), described filter comprise be used to allow liquid by and the filtering surface (19) that stops object to pass through with fixed dimension, it is characterized in that, described filter (12) comprises at least one bypass line (21), and described bypass line (21) is used to walk around the opposite side that liquid stream that described filtering surface will come from described filtering surface (19) one sides (19) is directed to described filtering surface (19).
12. filter according to claim 11 (12), the shape and size of wherein said at least one bypass line (21) are used to allow liquid to pass through, and stop the foreign body with fixed dimension to pass through.
13. according to claim 11 or 12 described filters (12), wherein said at least one bypass line (21) if shape and size be designed to foreign body and can not pass through described filtering surface (19), so described foreign body can not pass through described bypass line (21).
14. according to one or multinomial described filter (12) among the claim 11-13, being dimensioned to of wherein said at least one bypass line (21) makes the speed of the liquid leave described at least one bypass line (21) greater than the speed of the liquid that enters described at least one bypass line (21).
15. according to one or multinomial described filter (12) among the claim 11-14, the cross section of the outlet of wherein said at least one bypass line (21) is less than the cross section of the import of described bypass line (21), thereby the speed of liquid stream of leaving described bypass line (21) is greater than the speed of the liquid stream that enters described bypass line (21).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09176718A EP2325378A1 (en) | 2009-11-23 | 2009-11-23 | Washing machine with improved filter for the draining circuit |
| EP09176718.6 | 2009-11-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102071559A true CN102071559A (en) | 2011-05-25 |
| CN102071559B CN102071559B (en) | 2015-01-07 |
Family
ID=42124482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010624970.0A Expired - Fee Related CN102071559B (en) | 2009-11-23 | 2010-11-23 | Washing machine with improved filter for the draining circuit |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2325378A1 (en) |
| CN (1) | CN102071559B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789973B (en) * | 2012-10-29 | 2017-10-24 | 青岛海尔洗衣机有限公司 | A kind of washing machine drainage filtration system and the washing machine with the drain filtering system of domestic |
| EP4085984B1 (en) * | 2021-05-07 | 2024-03-13 | Electrolux Appliances Aktiebolag | Filter assembly for waste fluid discharged by a household appliance |
| US11993891B2 (en) | 2022-02-14 | 2024-05-28 | Whirlpool Corporation | Laundry treating appliance with foreign object barrier |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1197919A (en) * | 1966-10-08 | 1970-07-08 | Candy Spa | Improvements to Linen Washing and Like Machines |
| FR2190966B1 (en) * | 1972-07-05 | 1974-12-27 | Chalectro | |
| US6402962B1 (en) * | 2000-07-26 | 2002-06-11 | Maytag Corporation | Self-cleaning filter with bypass |
| CN2841729Y (en) * | 2005-03-16 | 2006-11-29 | 无锡小天鹅股份有限公司 | Discharge filtering device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19919910C5 (en) * | 1999-04-30 | 2011-05-19 | BSH Bosch und Siemens Hausgeräte GmbH | Device with at least one fluid channel |
| ES2330960T3 (en) | 2006-04-27 | 2009-12-17 | Electrolux Home Products Corporation N.V. | EQUIPMENT FOR ACCESSING THE SELF-CLOSURE DRAIN FILTER FOR A SUPERIOR LOAD WASHER. |
-
2009
- 2009-11-23 EP EP09176718A patent/EP2325378A1/en not_active Withdrawn
-
2010
- 2010-11-23 CN CN201010624970.0A patent/CN102071559B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1197919A (en) * | 1966-10-08 | 1970-07-08 | Candy Spa | Improvements to Linen Washing and Like Machines |
| FR2190966B1 (en) * | 1972-07-05 | 1974-12-27 | Chalectro | |
| US6402962B1 (en) * | 2000-07-26 | 2002-06-11 | Maytag Corporation | Self-cleaning filter with bypass |
| CN2841729Y (en) * | 2005-03-16 | 2006-11-29 | 无锡小天鹅股份有限公司 | Discharge filtering device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2325378A1 (en) | 2011-05-25 |
| CN102071559B (en) | 2015-01-07 |
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