CN102071560B - There is the washing machine of the filter for draining circuit of improvement - Google Patents

Abstract

A kind of washing machine (1), comprising: washtub (5); With the internal fluid communication of described washtub (5) and the rhone (9) be communicated with draining circuit (10) fluid; Filter (12), be connected on the accommodation seat (9a) that is arranged between described washtub (5) and described rhone (9) removedly, described filter is suitable for allowing liquid passes through and stops the object with certain size to pass through.Described filter (12) comprises an indicator, described indicator is configured to be positioned at primary importance when described filter (12) correctly inserts described accommodation seat (9a), and fails to be positioned at the second place when correctly inserting described accommodation seat (9a) at described filter (12).

Description

There is the washing machine of the filter for draining circuit of improvement

Technical field

The present invention relates to a kind of washing machine, this washing machine has the filter of the improvement for draining circuit.

It is emphasized that washing machine (that is, only can wash the washing machine with rinsing clothes) and the laundry-dryer (that is, also can make the washing machine of dry clothes) of stating " washing machine " in the present invention and can refer to " simply ".

In addition, even if next the mode by means of only the embodiment in conjunction with front load mode washing machine is described by the present invention, clearly, in fact the present invention also can be applied in top loader washing machine without any need for important amendment.

Background technology

Now, washing machine generally includes a shell, and this shell has the door putting into/take out clothing that allows to enter washtub, washtub comprises rotatable cylinder with holes, can be placed in cylinder by the clothing washed.

Known washing machine comprises into water loop, for water and washing/rinsing agent (that is, washing agent, softener etc.) being fed in bucket.

Known washing machine also comprises draining circuit, generally include a draining pump and some discharge pipe lines, for after washing and rinsing stroke from bucket washing/rinse liquid (that is, water and be mixed with the water mixed liquid body of washing/rinsing agent) discharge.

Draining circuit generally includes filter, be arranged between bottom of the barrel and draining pump, for trapping all unwanted foreign matters flowed out by the hole in roll circumference (such as, the button that clothing falls down, bring the coin etc. gone in washing machine because of carelessness into), or by falling into the foreign matter of bottom of the barrel between cylinder and bucket, these foreign matters can damage or block draining pump.

Most of this kind of common filter comprises the columniform casing that is connected to washing machine bottom, this casing contain one removably with the filter of draining pump fluid communication upstream.Casing containing filter provides access way by the stopper of quick-detachment, and this stopper allows removing and cleaning of filter, and covered by the door of the antetheca or rear surface that are arranged on washing machine shell, shell is depended in the position of door.

Also have some known washing machines containing rhone, be arranged on the lower area (that is, the bottom of bucket) of the side surface of bucket, fluid is communicated with the inside of bucket bottom side, simultaneously with the fluid communication upstream of draining pump.

Filter is arranged in rhone the foreign matter trapped in washing/rinsing liquid, draining pump is flowed into avoid these foreign matters, this filter typical case is the cup-shaped body with a filtering surface, namely, filtering surface is provided with many holes, the size of this some holes allows washing/rinsing liquid to flow out, and stops simultaneously and has passing through of the exterior object of certain size.

Here, the rotatable drum of washing machine has an opening at least, is closed by dismountable lid, for making user from the interior contact of washing machine to filter, such as, for cleaned filter, typical way is taken out from rhone and put back to wherein, to facilitate cleaning.

The washing machine of prior art comprises a filter, this filter stops residual dirt enter and block draining pump and discharge pipe line, and filter can take out from the inside of bucket and check, cleaning, change, such as set forth in document GB1197919, above documents disclose a kind of washing machine, (namely washing machine comprises bottom has the tank of opening, bucket), draining pump is connected with the opening of tank by pipeline, be provided with basket in the sink (namely, swing roller), the filter element of a cup-shaped is removably connected on the opening of tank, the sidewall of filter element is provided with filter port, and basket is provided with opening, opening has removable lid, for filter unit provides path.

The another kind of known washing machine that can remove filter from bucket inside is also described in document FR2190966, document discloses a kind of top loader washing machine, washing machine comprises in it bucket being provided with rotatable drum, at the side surface of bucket, there is first, for putting into/take out clothing, and second, be arranged in the position relative with first, for reclaiming the fabric that may slide between bucket and cylinder.Install a connector in the bottom of bucket, at the lower area of bucket, this connector has one end that a pipeline is suitable for holding drainpipe.Be provided with a Room in connector, in the room of connector, hold a filter by two doors opening cylinder simultaneously.

The document of european patent number EP1849904 also describes a kind of known washing machine with the filter can dismantled from bucket inside, the document discloses a kind of top loader washing machine, this washing machine comprises the drain filter in-out apparatus of one and lifter one, this in-out apparatus is arranged on the position relative with cylinder inlet/outlet (that is, allowing the inner cap entered in cylinder).Drain filter in-out apparatus comprises a main body, and this main body comprises an opening, and the register with same shape and size on this opening and cylinder, is also comprised a lid, be hinged in main body, and be locked in main body by simple ratchet mechanical structure.

The above-mentioned known washing machine mentioned, the filter that there is the rhone in the bottom of bucket and be arranged in rhone, filter is used for retaining in washing/rinsing liquid undesirable object that may exist, but these washing machines all existing defects; In fact, if filter, after its removal, such as in order to clean, correctly do not place back in rhone, likely foreign matter is (such as from the clasp that clothing comes off, enter into the coin of washing machine because of carelessness, the end of a thread, fine hair etc.) rhone can be entered and can draining pump be entered, bring the danger damaging or block the latter.

Summary of the invention

Therefore, the object of this invention is to provide a kind of washing machine, in the mode of easy economy, it can inform whether user's drain filter correctly inserts in rhone, so that when filter be placed on foreign matter can be made to enter the position of the mistake of rhone time, reduce mistake and start the danger of wash cycle.

Under this object, another object of the present invention is when not increasing washing machine energy ezpenditure, informs whether user's drain filter is correctly inserted in rhone.

Another object of the present invention does not substantially improve also to be applied in existing washing machine.

Therefore the object of the invention is to solve the problems of the technologies described above, thus overcome the defect of the prior art quoted.

Applicant finds, if be detachably connected to be arranged at washtub and rhone (being included in the draining circuit of washing machine) if between the filter of accommodation seat following indicator is set---this indicator is configured to be positioned at primary importance when filter correctly inserts accommodation seat, if and filter fails to be positioned at when correctly inserting accommodation seat the second place, then visually can inform whether user's filter is correctly installed to accommodation seat like this; This reduces the danger that filter location of mistake is started to wash cycle during accommodation seat by mistake.

Especially, in order to reach other obviously useful object and target above-mentioned and hereinafter, the invention provides a kind of washing machine and comprising:

-washtub;

The rhone that-and draining circuit fluid inner with washtub is communicated with;

-filter, is detachably connected on the accommodation seat that is arranged between washtub and rhone, and filter is suitable for allowing liquid to pass through by stoping the object with certain size simultaneously.

Filter comprises an indicator, and indicator is configured to be positioned at primary importance when filter correctly inserts accommodation seat, and fails to be positioned at the second place when correctly inserting accommodation seat at filter.

Preferably, indicator is arranged like this: if filter is correctly installed in accommodation seat, and indicator engages with the inner surface of accommodation seat and is positioned at primary importance.

Suitably, indicator comprises the displaceable element being slidably installed to filter.

Preferably, filter comprises guide, and described guide is used for displaceable element is slided between the first and second positions.

Preferably, indicator comprises pin, pin be slidably connected to guide in the following manner: if filter correctly inserts accommodation seat, pin be positioned at primary importance, if but filter fail correctly to navigate to accommodation seat, pin be positioned at the second place.

Preferably, in primary importance, from guide outwardly, thus user can see and/or touch pin the first end of pin, but when the second place, the first end of pin is contained in guide completely, thus user can not see and/or touch pin.

Preferably, accommodation seat can be touched from the inside of bucket.

Suitably, filter comprises jockey, and jockey is suitable for removable mode Fixed-Filter to accommodation seat.

Preferably, filter comprises the grip element for being convenient to take off filter from accommodation seat.

Preferably, in primary importance, indicator can be seen from outside, filter ground, and in the second place, can't see indicator from outside, filter ground.

On the other hand, the present invention relates to a kind of filter of the draining circuit for washing machine, comprise an indicator, described indicator is configured to navigate to primary importance and the second place according to filter relative to the position of washing machine.

Preferably, indicator comprises the displaceable element being slidably connected to filter.

Suitably, filter comprises the guide being suitable for allowing displaceable element to slide.

Preferably, indicator comprises a pin, and pin is slidably connected to guide in the following manner: in primary importance, can see the first end of indicator, and in the second place, can't see first end from the outside of filter from the outside of filter.

Accompanying drawing explanation

By the description provided by way of non-limiting example below in conjunction with accompanying drawing, more easily the features and advantages of the present invention can be understood, wherein:

Fig. 1 is side-looking and the partial cutaway view schematic of washing machine of the present invention;

Fig. 2 is the front cross sectional view of the washtub of washing machine of the present invention, for the sake of clarity removes part, and its middle filtrator is correctly inserted in accommodation seat;

Fig. 3 is the enlarged detail of Fig. 2;

Fig. 4 is the sectional view of the filter of Fig. 2 and 3, and its middle filtrator fails correctly to be installed in accommodation seat;

Fig. 5 is the front cross sectional view of the filter of Fig. 2 and 3 when filter being inserted into accommodation seat;

Fig. 6 is the sectional view of the filter of Fig. 2 and 3 when filter being inserted into accommodation seat;

Fig. 7 is the decomposition diagram of the filter of Fig. 2 to Fig. 6;

Fig. 8 is the perspective view of the filter of Fig. 7;

Fig. 9 is the front view of the filter of Fig. 7 and Fig. 8;

Figure 10 is the isometric views of the washtub of another embodiment of washing machine of the present invention, and for the sake of clarity, part is by cutting, and part is removed;

Figure 11 is the enlarged detail of Figure 10;

Figure 12 is the sectional view of the washtub of Figure 10;

Figure 13 is the enlarged detail of Figure 12;

Figure 14 is the side subdivision diagrammatic view of the filter of the washing machine of Figure 10;

Figure 15 is the sectional view of the filter of Figure 10;

Figure 16 is the decomposition diagram of the filter of Figure 14 and Figure 15;

Figure 17 is rhone and the decomposition diagram of filter before filter insertion accommodation seat of another washing machine, and for the sake of clarity, part is by cutting, and part is removed;

Figure 18 is that filter is inserted into the rhone of Figure 17 and the perspective view of filter after accommodation seat.

Detailed description of the invention

Washing machine of the present invention 1 illustrated in the accompanying drawings advantageously front load mode washing machine; But clearly, in fact the present invention also can be applied in top loader washing machine without any need for great amendment.

Be equally significantly, in fact the present invention just can be applied in the washing machine of " simply " (namely without any need for amendment, only can wash the washing machine with rinsing clothes) and laundry-dryer (that is, also can make the washing machine of dry clothes) on.

With reference to accompanying drawing, washing machine 1 according to the present invention is shown schematically in Fig. 1, it comprises shell 2, the antetheca 2a of shell 2 is provided with import and export 3, import and export 3 and be provided with the door 4 putting into/take out clothing, door allows the washtub 5 be disposed in shell 2, and washtub 5 comprises rotatable cylinder 6 with holes, the clothing (not shown) that wherein will wash can load cylinder (hole in the accompanying drawings, on rotatable cylinder 6 side surface with holes is not shown).

Washtub 5 is connected with shell 2 preferably by flexible bellow 7, and described flexible bellow 7 connects the surface of the open-front towards import and export 3 of washtub 5 and the edge importing and exporting 3.

Washing machine 1 comprises a water inlet loop 8, for supplying water and washing/rinsing articles for use (namely in washtub 5, washing agent, softener etc.), water inlet loop 8 advantageously comprises a removable drawer 8a, such as, for holding washing and/or rinsing articles for use, cleaning agent, softener, bleaching agent etc.

Water inlet loop 8 also comprises water inlet pipe 8b, water inlet pipe 8b is connected to the hydraulic pipeline being positioned at washing machine 1 outside, and for guiding unused water to drawer 8a, water inlet loop 8 also comprises outlet pipe 8c, outlet pipe 8c fluid is communicated with drawer 8a and washtub 5, and transmits water and washing/rinsing articles for use in washtub 5, advantageously, water inlet loop 8 also comprises one or more valve (accompanying drawing is not shown), and described valve is for regulating the flow of water.

When unused water is flow in drawer 8a by water inlet pipe 8b, this unused water washes away the washing/rinsing articles for use held in drawer 8a, and is sent in washtub 5 by these articles for use by outlet pipe 8c.

In the embodiment that another is not shown, water inlet loop 8 comprises one or more apotheca corresponding to one or more washing/rinsing articles for use; According to washing procedure, a certain amount of washing/rinsing articles for use are automatically transported to washtub 5 from apotheca.

Washing machine 1 comprises rhone 9, rhone 9 is advantageously disposed on the side surface 5a of washtub 5, and with washtub 5 internal fluid communication, and be communicated with draining circuit 10 fluid, draining circuit 10 is for discharging washing/rinsing articles for use (that is, washings and the washings being mixed with washing/rinsing articles for use) from washtub 5.

Advantageously, more describe in more detail as following, in the present embodiment, can from the interior contact of cylinder 6 to rhone 9.

Advantageously, rhone 9 is arranged on the lower area of washtub 5, and the liquid therefore in washtub 5 can flow in rhone 9 due to the effect of gravity, then flows into draining circuit 10.

That is, rhone 9 is a kind of containers being connected to washtub 5 from downstream, for retaining the washing/rinsing liquid of discharging from washtub 5.

Preferably, rhone 9 forms as one with the lower area of washtub 5, and this forms advantageous by molding plastic material.

Draining circuit 10 comprises the draining pump 11 with impeller (not shown), and impeller is contained in blade wheel chamber 11a, preferably but not necessarily, blade wheel chamber can form as one with rhone 9 and washtub 5, preferably corresponds to the extension of rhone 9.

In the embodiment that another is not shown, draining circuit 10 can also have recirculation circuit, for discharging washing/rinsing liquid bottom washtub 5, and this liquid is re-injected the upper area of washtub, to improve the moisture state of clothing.The recirculation circuit of washing machine is known in the prior art, is therefore no longer described in detail.

Washing machine 1 comprises filter 12, this filter is removable is connected to the suitable accommodation seat 9a be arranged between washtub 5 and rhone 9, and for allowing cleaning solution to pass through, and the object of certain size is stoped to flow into draining circuit 10 (and therefore stoping the object of certain size to enter the draining pump 11 of draining circuit 10) from washtub 5.These objects can be, such as, and the coin put in the pocket of the button that clothing falls down, trousers or other clothing or other pocket-handkerchief and bring the end of a thread, fine hair etc. of washing machine because of carelessness into.

In the embodiments shown in the drawings, it is inner that the accommodation seat 9a for filter 12 is advantageously formed in rhone 9, and part conforms to rhone; In the embodiment that another is not shown, accommodation seat 9a partly can be arranged on the inside of rhone 9 and part is arranged on the outside of rhone 9, or be all arranged on the outside of rhone 9, as long as accommodation seat is arranged in the following manner: when filter 12 is correctly inserted in accommodation seat 9a, all washing/rinsing liquids want to have to pass through filter 12 in inflow rhone 9.

In the embodiments shown in the drawings, can from cylinder 6 interior side contacts to accommodation seat 9a.

In embodiment shown in Fig. 1 to Figure 16, filter 12 is box-like (or cup-shaped), and advantageously near cylindrical (but also can be prism or cube or parallelepiped or other box like construction any).

Advantageously, filter 12 comprises a filtering surface 19, and described filtering surface for allowing passing through of liquid, and stops the object with certain size to pass through; Filtering surface 19 allows cleaning solution to flow in draining circuit 10 from washtub 5, but stops object such as button, the coin etc. with certain size to pass through.

In embodiment shown in Fig. 1 to Figure 16, filter 12 is approximate circle cylinders, and filtering surface 19 is contained in the face of cylinder, side of filter 12.

In another embodiment, in filtering surface 19 face of cylinder, side that can be contained in filter and/or bottom surface 12a.

Advantageously, filtering surface 19 has multiple opening 20, and for allowing passing through of liquid, the object (such as coin, button etc.) simultaneously stoping size to be greater than preset value passes through, and preset value is size according to opening 20 and determines.

Filter 12 is suitable for inserting removably in accommodation seat 9a, and advantageously comprises the jockey that is suitable for being fixed to by filter removably accommodation seat 9a.

Advantageously, this jockey comprises an outwardly peripheral flange 13, flange 13 protrudes from the top edge 12b of filter 12, for the boundary member around accommodation seat 9a of (as illustrated in the embodiment of figure 3) and washtub 5 against placement, the remainder of filter 12 is arranged in accommodation seat 9a (being positioned at rhone 9 in this case inner) simultaneously, falls in rhone 9 to prevent this filter 12.

In the embodiment shown in Fig. 2-16, jockey also comprises buckle mounting structure, and described buckle mounting structure permission filter 12 is installed with the buckle of accommodation seat 9a and is connected.Advantageously, this buckle mounting structure comprises two or more the arm 14a being connected to filter 12,14b, and described arm can elastic deformation, thus can the face of cylinder, side of filter 12 relatively be elastically stressed diametrically.

Advantageously, in the embodiment of Fig. 2 to Fig. 9, arm 14a, 14b can be connected on filter 12 near the coboundary 12b of filter 12; In particular, in the embodiment of Fig. 2 to Fig. 9, arm 14a, 14b are connected to peripheral flange 13, but in the embodiment that another is not shown, arm 14a, 14b can be connected to the face of cylinder, side of filter 12.

With reference to the embodiment of Fig. 2 to Fig. 9, arm 14a, 14b comprises the first area 42 being connected to filter 12, described first area 42 tilts and the mode tilted makes: along with away from the region be connected with filter 12 (and therefore it extend, in the embodiment of Fig. 2 to Fig. 9, away from peripheral flange 13), first area 42 increases with the distance on the face of cylinder, filter 12 side.

Advantageously, arm 14a, 14b comprise second area 43, and continuously and tilt in opposite direction relative to the first area 42 of same arm, second area 43 comprises the free end 16 of each arm for second area 43 and first area 42; That is, arm 14a, 14b tilt in the following manner near their free end 16: along with away from the region be connected with filter 12 (and therefore it extend, in the embodiment of Fig. 2 to Fig. 9, away from peripheral flange 13), the distance on the face of cylinder, side of arm 14a, 14b and filter 12 reduces.

Advantageously, annular sieve-like part 17 protrudes from the border around accommodation seat 9a of washtub 5 to the inside of accommodation seat 9a.

With reference to figure 6 and Fig. 4, insert in the process of accommodation seat 9a at filter 12, the second area 43 of arm 14a, 14b abuts against annular sieve-like part 17 and slides, and due to the inclination of this second area 43, arm 14a, 14b are flexibly pushed to the face of cylinder, side of filter 12.After the second area 43 of arm 14a, 14b crosses annular sieve-like part 17, arm 14a, 14b flexibly move to the outside of filter 12, are positioned at the below of annular sieve-like part 17, and therefore contrary with the situation removing filter 12 from accommodation seat 9a.

In order to take out filter 12 from accommodation seat 9a, user must extract filter 12 relative to rhone 9 along contrary direction; The first area 42 of arm 14a, 14b abuts against annular sieve-like part 17 and slides, and meanwhile, due to its specific that inclination, makes arm 14a, 14b flexibly shift to the face of cylinder, side of filter 12, filter 12 is taken out.

In same embodiment shown in Figure 10 to Figure 16, arm 14a, 14b comprises first area 42, but in this case, this region 42 is connected to the face of cylinder, side of filter 12 near the bottom surface 12a of filter 12 closing on, and tilt in the following manner: along with the coboundary 12b near filter 12, this region 42 increases with the distance on the face of cylinder, side of filter 12.Equally in this embodiment, arm 14a, 14b comprise second area 43, and continuously and tilt in opposite direction relative to the first area 42 of same arm, and second area comprises the free end 16 of each arm for this second area and first area 42; Arm 14a, 14b tilt in the following manner at free end 16 place close to them: when when the coboundary 12b of filter 12, the distance on the face of cylinder, side of arm 14a, 14b and filter 12 reduces.

With reference to Figure 13, in the process that filter 12 is inserted in accommodation seat 9a, the first area 42 of arm 14a, 14b abuts against annular sieve-like part 17 and slides, and due to the inclination of this first area 42, arm 14a, 14b are flexibly pushed to the face of cylinder, side of filter 12.After the free end 16 of arm 14a, 14b crosses annular sieve-like part 17, arm 14a, 14b flexibly move to the outside of filter 12, its free end 16 are positioned at the below of annular sieve-like part 17; Thus filter 12 locks onto on accommodation seat 9a.

In order to take out filter 12 from accommodation seat 9a, user must relative to rhone 9 along contrary direction drawing filter 12; The free end 16 of arm 14a, 14b abuts against annular sieve-like part 17 and slides, and meanwhile, because it specifically tilts, makes arm 14a, 14b flexibly shift to the face of cylinder, side of filter 12, arm 14a, 14b is discharged from annular sieve-like part 17, filter 12 is taken out.

In the embodiment that another is not shown, jockey can comprise a screw thread (not shown), and screw thread is arranged on the face of cylinder, side of filter 12; This screw thread is used for engaging with corresponding other screw thread (also not shown), and other screw thread described is arranged on accommodation seat 9a inner surface, thus the mode that filter 12 can be threaded connection is fixed on accommodation seat 9a, or takes off from accommodation seat 9a.

In another unshowned embodiment of the present invention, this jockey can comprise the interface of bayonet type.

Advantageously, filter 12 comprises a grip element, and can introduce in more detail below, it can make user take off filter 12 from accommodation seat 9a more easily.

Reaching of filter 12 is got (such as its cleaning and/or change) is realize from the inside of cylinder 6 by a suitable aperture (not shown), this aperture is arranged on the side surface 6a of cylinder 6, thus at the specific Angle Position of cylinder 6, this aperture is towards accommodation seat 9a; When performing the function of washing machine, this aperture is closed by closing device 18 (such as lid or observation window), and described closing device is used for optionally closing this aperture.In the embodiment shown in Fig. 1, advantageously, closing device 18 comprises a lifter, and this lifter can pivotable relative to the side surface 6a of cylinder 6, thus can mention lifter to provide the path in aperture, turnover below; When not mentioning, this lifter is just the same with common lifter effect, and therefore can improve the stirring when cylinder 6 rotates to clothing.

As described in more detail below, filter 12 comprises an indicator, and this indicator is configured to be positioned at primary importance when filter 12 correctly inserts accommodation seat 9a, and fails to be positioned at the second place when correctly inserting accommodation seat 9a at filter 12.

As described in more detail below, this makes user just to examine filter 12 whether correctly insertion accommodation seat 9a only by the position of sight indicator; If indicator is in primary importance, then user knows that filter 12 is correctly inserted in accommodation seat 9a, if but indicator in the second place, then user can recognize that filter 12 fails correctly to insert in accommodation seat 9a.

It must be noted that statement " correct () insert " means that filter 12 is imported in accommodation seat 9a in the following manner: namely, nearly all washing/rinsing liquid (i.e. water or be mixed with washing and/or the water of rinsing articles for use, as washing agent, bleaching agent, softening agent etc.) must by filter 12 before entering rhone 9; That is, if the whole entrance of rhone 9 almost occupied by filter 12, thus washing/rinsing liquid is entering rhone 9 and must by filter 12 (especially through the filtering surface 19 of filter) before arriving discharge pipe line 10, then filter " is correctly inserting " in accommodation seat 9a.Therefore, when filter 12 correctly navigates in accommodation seat 9a, all foreign matters that may contain in washing/rinsing liquid are all retained by filter 12.

In addition, statement " correct () insert " means that filter 12 is not inserted in accommodation seat 9a in the following manner, that is: nearly all washing/rinsing liquid to enter rhone 9 must by filter 12.Filter 12 " correctly not inserting " illustrates in the diagram to an example of accommodation seat 9a; In this case, filter 12 tilts relative to accommodation seat 9a, and the peripheral flange 13 of filter is not placed against the border around accommodation seat 9a of washtub 5, thus washing/rinsing liquid and wherein contained foreign matter can arrive rhone 9 by the gap between peripheral flange 13 and the border of washtub 5.In this case, these foreign matters are not retained by filter 12, and therefore may arrive draining pump 11, produce the danger damaging draining pump.

Preferably, but not necessarily, described indicator can be seen from the outside of filter 12 in above-mentioned primary importance, cannot see described indicator in the second place from the outside of filter 12.

In another embodiment, no matter be in primary importance or the second place, indicator all can be seen from the outside of filter 12.

Advantageously, as described in more detail below, indicator is arranged like this, if that is: filter 12 is correctly inserted in rhone 9, indicator engages with the inner surface of rhone 9 and moves to primary importance.

In the embodiment of Fig. 2 to Fig. 9, indicator comprises a displaceable element, preferably but be not necessarily a pin 28, described displaceable element is combined with filter 12 in the following manner: if filter 12 is correctly inserted in accommodation seat 9a, then pin 28 is in primary importance, if but filter 12 is not correctly inserted in draining accommodation seat 9a, then pin 28 is positioned at the second place.

Especially, with reference to Fig. 2 to Fig. 9 be in primary importance time embodiment, such as shown in Fig. 3, the first end 28a of pin 28 from guide 23 outwardly, user is made to see and/or to touch this first end, but in the second place, such as, shown in Fig. 4, the first end 28a of pin 28 is contained in guide 23 completely, thus can not be easily seen by the user or touch.

In the embodiment that another is not shown, pin 28 and guide 23 are arranged in the following manner: pin 28 is given prominence to along first direction and second direction from guide 23 simultaneously, but pin 28 is different from the part that guide 23 is outstanding two positions, thus user easily can differentiate pin 28 in primary importance still in the second place.

In the embodiment of Fig. 2 to Fig. 9, guide 23 advantageously tubulose, and preferably but be not necessarily fixed to filter 12 removably; In this embodiment, guide 23 is advantageously from positioned internal to filter 12.

Suitably, guide 23 is fixed to filter 12 by one or more retaining element, retaining element comprises such as two fin 44a, 44b, fin from the side of guide 23 outwardly and be suitable for fixing (such as being installed by buckle and fix) to be arranged on filter 12 the face of cylinder, side inner surface suitable accommodation seat 45a, in 45b.

In the embodiment of Fig. 2 to Fig. 9, guide 23 aligns substantially with the center longitudinal axis 60 of filter 12; In the embodiment that another is not shown, guide 23 can not line up and/or tilt relative to the center longitudinal axis 60 of filter 12 yet.

In the embodiment that another is not shown, guide 23 is fixed to filter 12 from outside, such as, be fixed to the outside on its face of cylinder, side.

Advantageously, in the embodiment of Fig. 2 to Fig. 9, the second end 28b of pin 28 is slidably connected in hole 47, and the bottom surface 12a that hole 47 is arranged on filter 12 aligns with guide 23.

Advantageously, filter 12 comprises holding device, and holding device is suitable for stoping pin 28 to be extracted out from guide 23.

Preferably but not necessarily, the first end 28a of pin 28 has a cross section, this cross section diminishes relative to the remainder of pin 28, to limit a stage portion 48, stage portion 48 be suitable for near the upper end 23a of guide 23 from the first flange 49 outstanding inside guide 23 of the medial surface of guide 23 against placement, extract out from the upper end 23a of guide 23 to avoid pin 28.

Advantageously, an annular sieve-like part 50 is given prominence to from the side of pin 28 near the second end 28b of pin 28, and it is suitable for placing against the border in hole 47, extracts out from hole 47 to avoid pin 28.

Therefore, in this case, above-mentioned holding device advantageously comprises the border in stage portion 48, first flange 49, annular sieve-like part 50 and hole 47.

Advantageously, the length and location of pin 28 and the position of stage portion 48 make: when filter 12 is correctly inserted in accommodation seat 9a, such as shown in Figure 3, second end 28a of pin 28 is against the inner surface (being the bottom surface of tank 9 in this case) of (namely engaging) accommodation seat 9a, and therefore pin 28 is pulled to primary importance, wherein the upper end 28a of pin 28 gives prominence to laterally from guide 23, thus user can see and/or touch upper end 28a.Therefore, in this case, user can recognize that filter 12 has correctly navigated in accommodation seat 9a.

In addition, length and location and the annular location of sieve-like part 50 on pin 28 of pin 28 make: if filter 12 does not correctly insert (such as shown in Figure 4) in accommodation seat 9a, second end 28b passing hole 47 of pin 28 is given prominence to from the bottom surface 12a of filter 12, and the first end 28a of pin 28 is positioned at guide 23 inside completely, thus can not be easily seen by the user or touch.Therefore, in this case, user can recognize that filter 12 does not correctly navigate in accommodation seat 9a.

As mentioned above, filter 12 advantageously has the grip element that is suitable for taking off from accommodation seat 9a easily filter 12.

In the embodiment of Fig. 2 to Fig. 9, this grip element advantageously comprises blade 52, and described blade is arranged on the upper end 23a of guide 23 and is basically perpendicular to guide 23, and user can catch blade to be removed from accommodation seat 9a by filter 12; It should be noted that guide 23 will be arranged like this: once it is attached to filter 12, then the drag force being applied to blade 52 can not make guide 23 be separated from filter 12.

Similarly, in the embodiment of Figure 10 to Figure 16, filter 12 also comprises a guide 23, and guide 23 is suitable for pin 28 is slided wherein.

In this case, filter 12 is approximate circle cylinder advantageously, and the advantageously approximate frustoconical of the bottom surface 12a of filter 12, and there is the advantageously aperture 12c that arrange corresponding to the less substrate of truncated cone body.

Filter 12 advantageously comprises a ducted body 22, this ducted body advantageously tubular structure and the border of aperture 12c from the bottom surface 12a being arranged on filter 12 is given prominence to, and this hollow body portion ground is set to this inside from the inside on the face of cylinder, side of filter 12, and its upper end 22a extends to the top of the coboundary 12b of filter 12, therefore when filter is arranged in accommodation seat 9a, the upper end 22a of ducted body 22 is projected into above the bottom of washtub 5, the water impact of movement during can be rotated by swing roller 6.

In addition, this upper end 22a above the coboundary 12b projecting to filter 12 can be grasped by user, to remove filter 12 from accommodation seat 9a; Therefore, in this case, described grip element comprises the upper end 22a of ducted body 22.

Preferably but not necessarily, this ducted body 22 is almost coaxials with filter 12, and that is, ducted body 22 is located like this: its unshowned longitudinal axis overlaps substantially with the same unshowned longitudinal axis of filter 12.In another unshowned embodiment, ducted body 22 is orientated its longitudinal axis as and is not overlapped with the longitudinal axis of filter 12; Such as, the longitudinal axis of ducted body 22 and the longitudinal axis of filter 12 can be parallel to each other, or one is tilted relative to another.

Cleaning solution enters filter 12 from the coboundary 12b of filter 12, then flows into rhone 9 through filtering surface 19 (that is, through hole 20); The foreign matter that the size contained in cleaning solution is greater than the size in hole 20 is trapped between filtering surface 19, the bottom surface 12a of filter 12 and the outer surface of ducted body 22.

Especially, a certain amount of washing/rinsing articles for use (that is, washing agent) be not also dissolved in washings passing hole 20 can enter rhone 9, therefore may be deposited in the bottom of rhone 9.

In this embodiment, guide 23 for the preferably near cylindrical of displaceable element is advantageously disposed on the inside of ducted body 22, preferably but not necessarily, described guide is coaxial with ducted body, and make has the first gap 24 between the inner surface and the outer surface of guide 23 of ducted body 22.

Suitably, but not necessarily, the upper end 23a of guide 23 is unlimited, and locates accordingly with the free end 22a of ducted body 22.

Advantageously, ducted body 22 comprises one or more aperture 25 be arranged on the 22a of upper end, and aperture 25 is communicated with the first gap 24 fluid, and is suitable for allowing the cleaning solution in washtub 5 to enter in above-mentioned first gap 24.Advantageously, aperture 25 is suitable for allowing liquid to pass through, but the object (such as, coin, button etc.) stoping size to be greater than the predetermined value size of its window mouth 25 (and determine) passes through; Especially, the size in aperture 25 is such: if an object is not by filtering surface 19, and so it can not pass through aperture 25 (therefore, in the embodiments 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 in the following manner: when filter 12 is arranged in accommodation seat 9a, the water impact of movement when described aperture 25 can be rotated by swing roller 6.

In this embodiment, described indicator comprises the pin 28 being slidably arranged in guide 23 inside, if described pin structure becomes filter 12 to be correctly inserted into accommodation seat 9a, navigate to primary importance, if but filter 12 fail correctly to be inserted into accommodation seat 9a, sell and be positioned at the second place.

Equally in this embodiment, when primary importance, pin can be seen from the outside of filter 12, but when the second place, can not pin be seen from the outside of filter 12.

Foot 27 is given prominence to from the second end 28b of pin 28, advantageously corresponding with the external surface shape of the bottom surface 12a of filter 12 at least in part, therefore in this embodiment, is approximate frustoconical.

Thus, pin 28 can never illustrated primary importance and the second place slide, wherein: in primary importance, the stop element 30 (such as one annular sieve-like part) be arranged on the side surface of pin 28 contacts towards the second flange 31 that the inside of guide 23 is outstanding with the lower end 23b from guide 23; In the second position, as shown in figure 15, wherein foot 27 contacts with multiple spacer element 29, and spacer element 29 is given prominence to from the outer surface of the bottom surface 12a of filter 12.

When pin 28 is in the second place, between the outer surface and foot 27 of the bottom surface 12a of filter 12, there is the second gap 32; This second gap 32 is communicated with the first gap 24 fluid.

Advantageously, the length of pin 28 makes: when pin is in primary importance, as shown in figure 15, and the first end 28a of pin 28 gives prominence to from the upper end 23a of guide 23, thus can see outside filter and/or touch; Contrary to pin 28 is in the second place, the first end 28a of pin 28 is all contained in guide 23, and therefore can not be easily seen by the user or touch.As above with reference to accompanying drawing 2 to Fig. 9 embodiment explained, this feature allows user easily to determine whether filter 12 is correctly inserted into accommodation seat 9a.

Obviously, pin 28 can be arranged like this, namely can see it in the first and second positions, but in these two positions, it is given prominence to from guide 23 in two different ways.

Advantageously, the cross section in section ratio first gap 24 in the second gap 32 is little, thus when liquid flows to the second gap 32 from the first gap 24, liquid accelerates; Which ensure that liquid stream can impact washing/rinsing articles for use of being deposited in bottom rhone 9 to wash away them with enough power, and promote that they dissolve in washings.

Gap, aperture 25, first 24 and the second gap 32 limit bypass conduit, it walks around the filtering surface of filter 12, and be suitable for guiding flow of liquor to flow to the bottom of rhone 9 from washtub 5, to wash away the washing/rinsing articles for use be deposited in bottom rhone 9, the recycling of the water of the articles for washing of dissolving promoting these articles for use to dissolve in washings and contain in washtub 5.

As shown in figure 13, the inner surface (being the bottom of rhone 9 in this case) of when filter 12 is correctly inserted into accommodation seat 9a, foot 27 contacts (namely engage) accommodation seat 9a, and pin 28 is positioned at primary importance; In this position, comprise gap, aperture 25, first 24 and the bypass line in the second gap 32 and the internal fluid communication of washtub 5 and rhone 9, walk around the filtering surface 19 of filter 12.

In wash cycle, washings enter aperture 25 (in this case under the rotation forces of cylinder 6, it corresponds to the import of bypass line), the second gap 32 is flowed to (namely by the first gap 24, flow through bypass line 21), and wash away to the bottom of rhone 9 and side, impact the washing/rinsing articles for use that may be deposited in bottom rhone 9 thus, and wash away these washing agent, and contribute to them and be dissolved in washings.The liquid being entered rhone 9 by bypass line 21 also result in eddy motion, and the water (washing/rinsing articles for use be originally deposited in bottom rhone have been dissolved in wherein now) that eddy motion contributes to holding in rhone 9 enters in washtub 5 again.

In the embodiments shown in the drawings, shown indicator is a displaceable element, and it moves relative to filter 12 substantially linear; In the embodiment that another is not shown, indicator can comprise one can pivotable or rotatable displaceable element relative to filter 12.

Obviously, indicator can be a following displaceable element, and it moves substantially by any way relative to filter 12; The motion that such as this displaceable element is applicable to can be the combination of linear movement and circulatory motion.

At embodiment shown in the drawings, filter 12 is containing an indicator; In the embodiment that another is not shown, filter 12 can containing more than one indicator.

In above-mentioned all embodiments, this indicator comprises an independent displaceable element; Obviously, in the embodiment that another is not shown, this displaceable element can comprise a complex, and complex comprises the two or more elements be connected to each other.

Filter can also be detected by the electronics and/or electrical equipment being connected to filter and/or rhone and correctly or mistakenly insert accommodation seat, and this information is delivered to user, but these electronics and/or electrical equipment will increase complexity and the cost of washing machine, and they also will cause extra electrical consumer.

Such as Figure 17 and 18 display is used for the filter 112 of rhone 109, and wherein magnet 170 is arranged on the bottom of filter 112; Magnet 170 can be fixed to the bottom of filter by gummed or other fixed form any, or also can be arranged at the bottom of filter 112 in the molding process of filter 112.

Sensor 171 is arranged in rhone 109, and sensor 171 is suitable for detecting and only has when filter 112 is correctly inserted into the existence of the magnet 170 just had in accommodation seat 109a; If filter 112 does not insert or fails correctly to be inserted into accommodation seat 109a, sensor 171 can not detect the existence of magnet.

Sensor 171 operatively can be connected to the electronic controller of washing machine, and electronic controller can be programmed as follows, that is: whether detect that magnet 170 exists according to sensor 171, start one or more specific function; Such as this electronic controller can be programmed like this, that is: if sensor 171 does not detect magnet 170, and user attempts to start wash cycle, then on the display of washing machine, show a warning message, and/or the loudspeaker arranged in washing machine sends chimes of doom, and/or start may being prevented from of wash cycle.

In another embodiment, sensor 171 can be directly connected to a warning device, and warning device is arranged in rhone 109 and/or filter 112 or near it, and whether warning device detects magnet 170 according to sensor 171 and start warning or remove warning; Such as, warning device can comprise be arranged in washtub, a LED (light emitting diode) near rhone 109.This LED is arranged like this: if sensor 171 does not detect magnet 170, then LED is in electrified light emitting state, and when sensor 171 detects magnet 170, LED is in off-position.If user sees that LED is in electrified light emitting state like this, then he can recognize that filter 112 fails correctly to be inserted in accommodation seat 109a.

Obviously, magnet 170 also can be arranged in rhone 109 that sensor 171 is arranged on filter 112.

Therefore can find out, how the present invention realizes proposed object and target, provide a kind of washing machine, its by means of indicator (when filter correctly inserts the accommodation seat be arranged between washtub and rhone, indicator is positioned at primary importance, and when filter fails correctly to be inserted into this accommodation seat, this indicator is positioned at the second place) with simple and the mode of economy informs whether user's drain filter correctly navigates to accommodation seat, to reduce such risk, that is: user thinks that filter correctly navigates to accommodation seat (even if this is incorrect), thus startup wash cycle, bring the foreign matter contained in washing/rinsing liquid may arrive the danger of draining pump.

In addition, the existence of indicator allows to inform when not using electric energy whether user's drain filter correctly navigates to accommodation seat, and therefore can not increase the energy ezpenditure of washing machine.

In addition, the filter comprising one or more indicator according to the present invention can replace traditional filter use in known washing machine; This makes target and the object that in known washing machine, can reach proposition equally, and does not need other distortion of known washing machine.

Claims (24)

1. a washing machine (1), comprising:

-washtub (5);

-with the internal fluid communication of described washtub (5) and the rhone (9) be communicated with draining circuit (10) fluid;

-filter (12), be connected on the accommodation seat (9a) that is arranged between described washtub (5) and described rhone (9) removedly, described filter is suitable for allowing liquid passes through and stops the object with certain size to pass through;

It is characterized in that:

Described filter (12) comprises an indicator, described indicator is positioned at primary importance when described filter (12) correctly inserts described accommodation seat (9a), and fail to be positioned at when correctly inserting described accommodation seat (9a) second place at described filter (12), thus visually inform whether filter described in user (12) is correctly installed in accommodation seat (9a).

2. washing machine according to claim 1 (1), wherein, described indicator is arranged as follows: if described filter (12) is correctly inserted in described accommodation seat (9a), then described indicator engages with the inner surface of described accommodation seat (9a) and is positioned at described primary importance.

3. washing machine according to claim 1 and 2 (1), wherein, described indicator comprises the displaceable element being slidably connected to described filter (12).

4. washing machine according to claim 3 (1), wherein, described filter (12) comprises guide (23), and described guide is used for described displaceable element is slided between described primary importance and the second place.

5. washing machine according to claim 4 (1), wherein, described indicator comprises pin (28), described pin is connected to described guide (23) in the following manner slidably: if described filter (12) correctly inserts described accommodation seat (9a), then described pin (28) is positioned at described primary importance, if but described filter (12) fails correctly to navigate in described accommodation seat (9a), then described pin (28) is positioned at the described second place.

6. washing machine according to claim 5 (1), wherein, in described primary importance, the first end (28a) of described pin (28) from described guide (23) outwardly, thus user can see and/or touch described pin, but when the second place, the first end (28a) of described pin (28) is contained in described guide (23) completely, thus user can not see and/or touch described pin.

7. the washing machine (1) according to any one of claim 1,2,4,5, wherein, can get at described accommodation seat (9a) from the inside of cylinder (6).

8. washing machine according to claim 3 (1), wherein, can get at described accommodation seat (9a) from the inside of cylinder (6).

9. the washing machine (1) according to any one of claim 1,2,4,5,6,8, wherein, described filter (12) comprises a jockey, and this jockey is suitable for described filter (12) to be fixed to described accommodation seat (9a) in removable mode.

10. washing machine according to claim 3 (1), wherein, described filter (12) comprises a jockey, and this jockey is suitable for described filter (12) to be fixed to described accommodation seat (9a) in removable mode.

11. washing machines according to claim 7 (1), wherein, described filter (12) comprises a jockey, and this jockey is suitable for described filter (12) to be fixed to described accommodation seat (9a) in removable mode.

12. washing machines (1) according to any one of claim 1,2,4,5,6,8,10, wherein, described filter (12) comprises grip element, and described grip element is convenient to remove described filter (12) from described accommodation seat (9a).

13. washing machines according to claim 3 (1), wherein, described filter (12) comprises grip element, and described grip element is convenient to remove described filter (12) from described accommodation seat (9a).

14. washing machines according to claim 7 (1), wherein, described filter (12) comprises grip element, and described grip element is convenient to remove described filter (12) from described accommodation seat (9a).

15. washing machines according to claim 9 (1), wherein, described filter (12) comprises grip element, and described grip element is convenient to remove described filter (12) from described accommodation seat (9a).

16. washing machines (1) according to any one of claim 1,2,4,5,6,8,10,11,13,14,15, wherein, in described primary importance, described indicator can be seen from the outside of described filter (12), and in the described second place, described indicator can not be seen from the outside of described filter (12).

17. washing machines according to claim 3 (1), wherein, in described primary importance, described indicator can be seen from the outside of described filter (12), and in the described second place, described indicator can not be seen from the outside of described filter (12).

18. washing machines according to claim 7 (1), wherein, in described primary importance, described indicator can be seen from the outside of described filter (12), and in the described second place, described indicator can not be seen from the outside of described filter (12).

19. washing machines according to claim 9 (1), wherein, in described primary importance, described indicator can be seen from the outside of described filter (12), and in the described second place, described indicator can not be seen from the outside of described filter (12).

20. washing machines according to claim 12 (1), wherein, in described primary importance, described indicator can be seen from the outside of described filter (12), and in the described second place, described indicator can not be seen from the outside of described filter (12).

21. 1 kinds of filters (12) for the draining circuit of washing machine (1), described washing machine comprises: washtub (5); With the internal fluid communication of described washtub (5) and the rhone (9) be communicated with draining circuit (10) fluid; It is characterized in that, described filter (12) is suitable for being connected to removedly on the accommodation seat (9a) that is arranged between described washtub (5) and described rhone (9), and is suitable for allowing liquid pass through and stop the object with certain size to pass through; Described filter comprises an indicator, described indicator is positioned primary importance and the second place according to described filter (12) relative to the position of described washing machine (1), thus visually informs whether filter described in user (12) is correctly installed in accommodation seat (9a).

22. filters according to claim 21 (12), wherein, described indicator comprises the displaceable element being slidably connected to described filter (12).

23. filters according to claim 22 (12), wherein, described filter (12) comprises the guide (23) being suitable for allowing described displaceable element to slide.

24. filters according to claim 23 (12), wherein, described indicator comprises pin (28), described pin is connected to described guide (23) in the following manner slidably: in described primary importance, the first end (28a) of described pin (28) can be seen from the outside of described filter (12), and when the described second place, described first end (28a) can not be seen from the outside of described filter (12).