CN1451803A - Pulsator and washing machine using same - Google Patents

Pulsator and washing machine using same Download PDF

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Publication number
CN1451803A
CN1451803A CN 03122147 CN03122147A CN1451803A CN 1451803 A CN1451803 A CN 1451803A CN 03122147 CN03122147 CN 03122147 CN 03122147 A CN03122147 A CN 03122147A CN 1451803 A CN1451803 A CN 1451803A
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CN
China
Prior art keywords
impeller
inlet
going
washing
rib
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Granted
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CN 03122147
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Chinese (zh)
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CN1252339C (en
Inventor
金钟镐
尹钟淳
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LG Electronics Inc
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LG Electronics Inc
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Publication date
Priority claimed from KR1020020021038 external-priority
Priority claimed from KR10-2002-0021053A external-priority patent/KR100476366B1/en
Priority claimed from KR10-2002-0021054A external-priority patent/KR100499371B1/en
Priority claimed from KR10-2002-0021055A external-priority patent/KR100443835B1/en
Priority claimed from KR1020020046136A external-priority patent/KR20040013279A/en
Priority claimed from KR1020020046137A external-priority patent/KR100740833B1/en
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of CN1451803A publication Critical patent/CN1451803A/en
Application granted granted Critical
Publication of CN1252339C publication Critical patent/CN1252339C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A pulsator includes a metallic upper pulsator having an inlet at a center of the pulsator and upwardly protruding upper washing ribs radially around the inlet and a synthetic resin lower pulsator having upwardly protruding lower washing ribs and contacting a lower surface of the upper washing ribs, a guidance surface spaced apart from the lower surface of the upper pulsator and defining a flow passage for channeling water introduced through the inlet, and an outlet at an end of the guidance surface discharging water channeled through the flow passage. The lower pulsator rotates with and is fixed to a driving shaft of a washing machine. A pulsator includes a synthetic resin pulsator body having a washing rib and a metal plating layer on an outer surface of the pulsator body includes the inlet. The outlet and the flow passage are provided in the pulsator body.

Description

Impeller and use the washing machine of this impeller
The application requires the priority of korean patent application P2002-21037 (submission on April 17th, 2002), P2002-21038 (submission on April 17th, 2002), P2002-21039 (submission on April 17th, 2002), P2002-46136 (submission on August 5th, 2002) and P2002-46137 (submission on August 5th, 2002), its content is incorporated into that this is for reference, to throw a flood of light on the present invention.
Invention field
The present invention relates to a kind of washing machine, particularly a kind of bottom that is arranged on washing drum, can form the impeller of the motion of water when rotating, and the washing machine that uses this impeller.
Background technology
Usually, water and washing agent, washing machine can wash, rinse and dehydration etc., so that dirt is separated from clothing.Washing machine can be divided into stirring-type, impeller-type and tumbling-box washing machine usually.
Agitator type washing machine is positioned at the agitators washing clothes at cylindrical shell center by front and back rotation one.Agitator type washing machine has outstanding clean ability, but sound is bigger, produces excessive rock and can damage clothing.
Tumbling-box washing machine is the cylinder that is provided with the rib that rolls of a plurality of projections by an inner surface that water, washing agent and clothing are packed into, and comes washing clothes with this cylinder that slowly runs.Tumbling-box washing machine does not damage clothing, only consumes a spot of water, and the washing finish after clothing can not be wound.Yet tumbling-box washing machine has the noise that is harmful to health, and consumes a large amount of electric energy, and is that abundant washing clothes needs the relatively long time.
Pulsator washing machine is with the strength washing clothes that produces between the current of motion and the clothing, and wherein the motion of water generally is that impeller by a dish type rotates with positive and negative direction and produces.Pulsator washing machine has outstanding clean ability, and can be with less relatively time washing clothes.In addition, pulsator washing machine produces relatively low noise and vibrations, and more cheap.Pulsator washing machine newly developed can be avoided the winding that ran in the past and damage the clothing problem by replacing the disengaging type drive system with straight drive system.
Fig. 1 shows a kind of partial sectional view of existing pulsator washing machine.
Referring to Fig. 1, in casing 1, have a cylindrical urceolus (not shown) that is used to hold water, in this urceolus, be provided with an inner core 2 rotationally, it comprises a plurality of hole 2a that water can be flowed between inside and outside tube.One impeller 3 is arranged on the bottom section of inner core 2 inside, and is connected with a driving shaft (not shown), and this driving shaft drives and can rotate by a motor (not shown).The upper surface of impeller 3 radially is furnished with a plurality of upwards washing rib 3a of projection from the center.During work, the forward and reverse rotation of impeller makes the water horizontal movement to finish washing work.Have a top cover 4 on the top of casing 1, and comprise a case 5, be used for the opening that close one can be seen washing machine inside.One filter screen 6 is commonly used to filter flock in laundry processes.
When impeller 3 rotated, the water of horizontal movement can produce a kind of frictional force that can washing clothes.Importantly, the energy of the direction of motion water and motion generation thereof influences the ability of the effective washing clothes of pulsator washing machine to a great extent.Since the motion of water mainly is to be produced by washing rib 3a, so, can travel direction will produce a kind of restriction to water.Particularly, can control the motion of washing rib 3a, with horizontal direction and the energy relevant of adjusting water movement with its horizontal movement.But this washing rib 3a lacks the ability that the motion to the current of any vertical direction control effectively, and can only give free rein to the energy that perpendicular motion is relevant.
Therefore, for improving the performance of pulsator washing machine, need provide a kind of improved impeller, no matter it is in vertical direction or horizontal direction in water, can both produce very strong motion.
In the above-described existing pulsator washing machine, the inside and outside surface of inner core 2 is all awash.Therefore, inner core 2 is with material such as stainless steel manufacturing with strong corrosion stability and high metal luster.Being arranged on inner core 2 bottoms, to make the impeller 3 of water motion then be to make with a kind of synthetic resin that does not have metallic luster.Therefore, because final material surface difference, existing pulsator washing machine aesthetic interior is relatively poor.
And when this synthetic resin impeller 3 rotated, the metal object in the clothing (as button, slide fastener, coin, key etc.) regular meeting impacted the upper surface of impeller 3, caused scraping and hair side at the upper surface of this synthetic resin impeller 3.As a result, because these scrapings and hair side, clothing is damaged, and can produce a large amount of flocks in washing process.
Summary of the invention
Therefore, the object of the invention is to provide a kind of impeller and a kind of washing machine with this impeller, can fully solve one or more problems of bringing because of the limitation and the defective of prior art.
An advantage of the present invention has been to provide a kind of impeller and has used a kind of washing machine of this impeller, and this impeller upper surface can prevent to form scraping or hair side fully.
The impeller that another advantage of the present invention has been to provide a kind of upper surface to have metal finish, thus the aesthetic property of washing machine improved.
An also advantage of the present invention has been to provide a kind of improved impeller and has used a kind of washing machine of this impeller, and this impeller can make water vertically all produce very strong motion with horizontal direction.
Other features and advantages of the present invention provide in explanation subsequently, partly can be apparent from the description, and maybe can find out from enforcement of the present invention.These and other advantage of the present invention can be understood, obtain from the structure that following written explanation, claim and accompanying drawing provide especially.
For realizing these and other advantage, according to the object of the invention, the description of summarizing as done concrete, a kind of impeller of washing machine can be, for example comprise a last impeller of making by metal material, wherein should go up impeller and comprise that one is positioned at inlet and a plurality of last washing rib that extends radially outwardly and make progress projection that is from described inlet of impeller center this on and upwards projection; The one following impeller of making by the synthetic resin material, wherein this time impeller comprise a plurality of upwards projections and with the described contacted washing rib down of washing rib lower surface that goes up, this time impeller also comprise one with the described lower surface of the going up impeller flow-guiding surface of a distance at interval, form a runner on described between impeller and the flow-guiding surface, pass described inlet with the guiding current, form an outlet at flow-guiding surface one end, wherein introduce the current direction current downflow of runner, wherein this time impeller rotates and is installed on the driving shaft of this washing machine.
According to a further aspect in the invention, the described impeller of going up can be for example by the material with high corrosion stability and high metal luster, to make as stainless steel.
According to another aspect of the invention, the described edge of going up impeller can be crooked and be suitable for covering the described edge of impeller down, make described go up impeller with described under impeller can not separate basically.
In accordance with a further aspect of the present invention, described down impeller also can comprise one from the be close to the exit following impeller of the downward projection in position of lower surface, is used for rotating the centrifugal force that produces by impeller, and current are flowed away by described outlet from this impeller center.
Also on the one hand described runner can be according to of the present invention, for example is arranged in describedly down between the washing rib, and described outlet can be to arrange along described flow-guiding surface periphery.
According to an aspect of the present invention, described upper and lower impeller also can comprise, for example, a plurality of through holes that run through this upper and lower impeller, thus via this through hole, the described space of impeller top of going up is communicated with space below the described impeller down.These a plurality of through holes can be located on the described upper and lower impeller and close on peripheral region.
According to a further aspect in the invention, described impeller down also can comprise, for example, one leads rib, its the outlet of this time impeller and certain position between the periphery with described on the lower surface of impeller contact, wherein, this lead rib fully prevent by described inlet introduce and in described runner flowing water flow be introduced into space, an edge between described upper and lower impeller, and the guiding current pass described outlet.
In accordance with a further aspect of the present invention, described impeller down also can comprise a plurality of described projections of the outer surface of washing rib down that are formed on, to contact with the described inner surface of going up the last washing rib of impeller, wherein, any relative horizontal movement between this projection this upper and lower impeller of being used to prevent to cause by the gap between described upper and lower impeller.This projection can be symmetricly set on the both side surface of described impeller down.This projection can be arranged on the upper surface of described following impeller but not descend on the washing rib.Each projection can roughly be polygonal all.
According to an aspect of the present invention, described impeller comprises that also one removably is fixed in the filter element of described inlet, and wherein, this filter element is used for collecting the flock that is contained in water and is incorporated into this inlet.
According to a further aspect in the invention, described filter element can comprise that one removably is fixed in the cylindrical housings of described inlet; One is detachably fixed to the open upper of this cylindrical housings and has the lid of a plurality of blastholes; And one be arranged on and be used for collecting the collecting net that is contained in the flock in the water that is incorporated into this blasthole in the described housing.According to another alternative aspect of the present invention, described filter element can comprise that one removably is fixed in the cylindrical housings of described inlet; One is detachably fixed to the open upper of this cylindrical housings and has the lid of a plurality of blastholes; And one be arranged on described lower housing portion, is used for collecting the filter that is contained in the flock in the water that is incorporated into this blasthole.Each filter element described above, its cylindrical housings and lid thereof all can pass through a coupler body respectively, removably are fixed on described inlet and the housing.
According to an aspect of the present invention, described upper and lower impeller is passable, for example, comprise a groove, it is located in the described washing rib, and wherein this groove can prevent because local wrinkling or other distortion that the difference of drawing coefficient causes in the extrusion process, and the intensity of washing rib on can increasing, wherein this channel shaped is formed in the described washing rib down, can not interfere with the described groove of going up in the washing rib.
According to a further aspect in the invention, a kind of washing machine can comprise for instance: a casing; One is arranged at the cylindrical shell in this casing; One driving shaft that passes this cylindrical shell lower surface and rotate by a motor-driven; The last impeller that one metal material is made wherein should be gone up impeller and comprise that one was arranged at inlet and a plurality of washing rib that extends radially outwardly and make progress projection that is from this inlet of its center and upwards projection; The following impeller that one synthetic resin material is made, wherein this time impeller comprise a plurality of upwards projections and with the described contacted washing rib down of lower surface that goes up impeller, wherein this time impeller also comprise one with the described lower surface of the going up impeller flow-guiding surface of a distance at interval, form a runner on described between impeller and this flow-guiding surface, pass described inlet with the guiding current, form an outlet at flow-guiding surface one end, wherein introduce the current direction current downflow of runner, wherein this time impeller rotates and is installed on the driving shaft of this washing machine.
According to a further aspect in the invention, described cylindrical shell bottom comprises a bottom surface, to hold the described bottom of impeller down.
According to a further aspect in the invention, a setpoint distance can be passed through in this bottom surface, with periphery interval one distance of described upper and lower impeller.
In accordance with a further aspect of the present invention, described down impeller also can comprise one from the be close to the exit following impeller of the downward projection in position of lower surface, be used for when impeller rotates, by centrifugal force, current are flowed away by described outlet from this impeller center, and make current pass interval between described bottom surface and the described impeller.
In accordance with a further aspect of the present invention, this washing machine comprises that also one removably is fixed in the filter element of described inlet, and wherein, this filter element is used for collecting the flock that is contained in the water that is incorporated into this inlet.
For further realizing these and other advantage of the present invention, with consistent with purpose of the present invention, one agitation wheel for washing machine can comprise a synthetic resin impeller body, this body is connected to one and passes on described cylindrical shell bottom surface and the rotary driving shaft, and wherein said impeller body comprises that the washing rib and of a plurality of upwards projections is by the surface of coat of metal covering.
According to an aspect of the present invention, the described coat of metal can comprise a kind of material, as chrome plating, and can be arranged at the outer peripheral surface of upper surface and this impeller body of described impeller body.
According to a further aspect in the invention, described impeller also can comprise the inlet that passes the described coat of metal; One is arranged at the outlet of described impeller body bottom; And one be arranged at the intrinsic runner of described impeller, thereby described inlet is communicated with described outlet.
According to another aspect of the invention, described inlet can be arranged on described impeller top central part, and described outlet then can be arranged on a certain position of contiguous described impeller body lower limb.
In accordance with a further aspect of the present invention, described impeller can comprise that also one removably is fixed in the filter element of described inlet, and wherein, this filter element can be collected the flock that is contained in the water that is incorporated into this inlet.
According to another aspect of the invention, a kind of washing machine can comprise for instance: a casing; One is arranged at the cylindrical shell in this casing; One driving shaft that passes this cylindrical shell lower surface and rotate by a motor-driven; The last impeller body of one synthetic resin is pivotally connected to a driving shaft, and comprises a plurality of upwards washing rib of projection; On described impeller body, has a coat of metal.
Should be appreciated that above generality is described and the following detailed description is all enumerated and illustrative, purpose is for to the claimed further instruction that the invention provides.
Brief Description Of Drawings
The accompanying drawing of forming the part of this specification helps further to understand the present invention, and these accompanying drawings illustrate some embodiments of the present invention, and can be used for illustrating principle of the present invention with specification.
In the accompanying drawing:
Figure 1 shows that a kind of cutaway drawing of existing pulsator washing machine;
Figure 2 shows that the stereogram of a kind of impeller that proposes according to the principle of first aspect present invention;
Figure 3 shows that the exploded perspective view of the impeller among Fig. 2;
Figure 4 shows that the exploded perspective view of the impeller among Fig. 3, wherein increased by a groove, to strengthen this impeller from structure;
Figure 5 shows that the cutaway view of the impeller among Fig. 3, wherein, this impeller has increased by a filter element;
Figure 6 shows that the partial sectional view in the gap between the upper and lower impeller;
Figure 7 shows that the partial sectional view of impeller with projection;
Figure 8 shows that the stereogram of the impeller among Fig. 3, wherein, this impeller has increased by a filter element;
Figure 9 shows that the partial sectional view of the impeller among Fig. 8;
Figure 10 shows that the cutaway view of a kind of washing machine that proposes according to principle of the present invention;
Figure 11 shows that the cutaway view of a kind of impeller that proposes according to the principle of second aspect present invention; And
Figure 12 shows that the cutaway view of the impeller among Figure 11, wherein, this impeller has increased by a filter element.
The specific embodiment
To describe with reference to embodiments of the invention in detail below, it is shown in the drawings for example.As much as possible, to identical or like, in all these figure, will use same label.
Fig. 2 shows a kind of impeller that proposes according to the principle of first aspect present invention to Fig. 9.
To Fig. 9, a kind of wave-wheel assembly 400 can comprise the following impeller 200 that a last impeller 100 of being made by metal material and nonmetallic materials are made for instance referring to Fig. 2.
Specifically referring to Fig. 2 to Fig. 5, the described impeller 100 of going up roughly can be a disk body shape, it has an inlet 120, this inlet 120 penetrates impeller 100 central parts on this, and edge projection of impeller 100 on this, qualification one plane inclined on impeller 100 upper surfaces on this.The last washing rib 110 of a plurality of upwards projections is radially extension from the center of this inlet 120.As shown in Figure 2, the described part that goes up this inlet 120 of vicinity of washing rib 110 is compared with its contiguous described peripheral part of going up impeller 100, is arranged to highly lower and narrower.
According to a further aspect in the invention, the described impeller 100 of going up can be made by the thin metal blank of punching press (as stainless steel etc.).Because should go up impeller 100 is to be made by process for stamping, lower surface of impeller 100 can have and the roughly the same shape of upper surface that should go up impeller 100 on this.
In addition, impeller 100 can have a plurality of through holes 130 on this, and it can make described space of going up impeller 100 tops be connected with the space that should go up impeller 100 belows.According to an aspect of the present invention, these a plurality of through holes 130 can be formed at the described peripheral region that closes on impeller 100 on this between the washing rib 110 of going up.
Described impeller 200 down can be connected and be fixed to one and can pass through on the driving shaft of the forward and reverse rotation of motor with the described impeller 100 of going up.Therefore, described impeller 200 down can pass through the forward and reverse rotation of this driving shaft.To be described in more detail below, this time impeller 200 also can comprise a plurality of washing rib 210 down, a flow-guiding surface 220 and an outlet 240.
Described a plurality of washing rib 210 down can radially be extended from the described center of impeller 200 down, comes out from a described upper surface projection of impeller 200 down, and has essentially identical shape with the described washing rib 110 that goes up.Therefore, these a plurality of washing rib 210 down have and the described measure-alike or slightly little size that goes up washing rib 110, and can put into and touch the described medial surface of going up the bottom of washing rib 110.
The central part of the upper surface of described down impeller 200 can slightly upwards project into a predetermined height, when described impeller 200 down when going up impeller 100 and combining, can make described impeller 200 down and described inlet 120 separate a distance of being scheduled to described.
Still arrive Fig. 5 referring to Fig. 2, flow-guiding surface 220 can be made up of an inclined surface, thereby this inclined surface is to form by the downward-sloping projection center of leaving described following impeller 200 upper surfaces.By a predetermined height, this flow-guiding surface 220 and the described lower surface of going up impeller 100 separate, thereby can this flow-guiding surface 220 with described on form a runner 250 between the lower surface of impeller 100, with guiding pass through the to enter the mouth current of 120 introducings.According to an aspect of the present invention, this runner 250 this flow-guiding surface part and described between the bottom surface section of impeller 100, be formed at described zone between the washing rib 210 down.
Described outlet 240 can be arranged on the end of described flow-guiding surface 220, and described runner 250 is communicated with the described lower surface of impeller 200 down.Therefore, can flow downward by these runner 250 water conservancy diversion and through this runner 250, and be discharged into described impeller down 200 times by 120 water of introducing that enter the mouth.According to an aspect of the present invention, this outlet 240 can be along the periphery setting of this flow-guiding surface 220.
Described impeller 200 down also can comprise a water conservancy diversion rib 260, is used for guiding current to flow to described outlet 240 by runner 250.This water conservancy diversion rib 260 can upwards projection between the periphery of described outlet 240 and described down impeller 200, flow with the described outlet of guiding current direction 240, and prevent from basically to introduce and current by described runner 250 guiding are introduced into marginal portion between the described upper and lower impeller 100,200 through described inlet 120.According to an aspect of the present invention, this water conservancy diversion rib 260 can form predetermined altitude, thereby when described last impeller 100 combines togather with described following impeller 200, can make the top of this water conservancy diversion rib 260 touch the described lower surface of going up impeller 100.
Described impeller 200 down also can comprise a plurality of through holes 230, and it can make the described space of impeller 200 tops down be connected with the space of this time impeller 200 belows.These can align with those through holes 130 that forms on impeller 100 on described substantially at the through hole 230 that forms on the described down impeller 200, thereby described space of going up impeller 100 tops can be connected with the described space of impeller 200 belows down.Therefore, when described through hole 130 when 230 align, water can flow to described impeller 200 belows down via this through hole 130 and 230 from described impeller 100 tops of going up.
According to an aspect of the present invention, described time impeller 200 can be made by the synthetic resin material.According to an aspect of the present invention, described down impeller 200 can be a single piece that contains runner 250, outlet 240 and water conservancy diversion rib 260.According to a further aspect in the invention, described time impeller 200 can pass through injection molding and forming technology or other suitable technology manufacturing.
According to principle of the present invention, described upper and lower impeller 100 and 200 can be combined together to form a wave-wheel assembly 400.According to an aspect of the present invention, when being applied in the washing machine, all should separate the upper and lower impeller 100 and 200 of described wave-wheel assembly 400.Therefore, a described edge (for example periphery) of going up impeller 100 can be bent to cover the described respective edges (for example periphery) of impeller 200 down, is fixed on the described impeller 200 down thereby will describedly go up impeller 100.In case be fixed together, the described curved edges that goes up impeller 100 will prevent that described upper and lower impeller 100 and 200 is perpendicular to one another separately, and described upper and lower washing rib 110 and 210 can fully limit any relative horizontal movement between described upper and lower impeller 100 and 200 respectively.Therefore, when the upper and lower impeller 100 and 200 of described wave-wheel assembly 400 fully in conjunction with the time, can move in full accordly.
According to principle of the present invention, because described upward impeller 100 is to make by punching press one sheet metal, the last washing rib 110 on the described wave-wheel assembly 400 more stretches out much than other parts, and its structure rigidity can obviously reduce in use.Should go up washing rib 110 and directly contact and made the water motion with water.Therefore, if should go up the affected words of structure rigidity of washing rib 110, plastic deformation can take place and can cause structure breaking in this upper metal thin plate.
When limiting without any particular theory, suppose behind this sheet metal of punching press, according to the shape of stamped metal thin plate, can produce local wrinkling and other distortion.This part is wrinkling to be because different the causing of drawing coefficient of the plastic deformation part of the sheet metal that produces in punching course with distortion.Wrinkling and the distortion in this part can occur in the relatively low place of drawing coefficient, makes the aesthetic property of outward appearance of described wave-wheel assembly 400 impaired, produce a kind of have exceeded the last impeller 100 of forcing undesirable size of tolerance.Therefore, when the following impeller 200 with the described accurate dimension that produces by injection molding and forming technology combined, the last impeller 100 with inaccurate size can go wrong in described wave-wheel assembly 400.Therefore, the wave-wheel assembly shown in Fig. 2 and Fig. 3 400 can be revised design to avoid foregoing problems.
Referring now to Fig. 4,, show the upper and lower impeller 100 and 200 of a wave-wheel assembly 400, it has such correction design.The described last impeller 100 that combines this correction design can be basic identical with the last impeller 100 shown in Fig. 2 and Fig. 3, and can further comprise a plurality of grooves 170 that extend from described a plurality of upper surfaces of going up washing rib 110 downwards.According to an aspect of the present invention, these grooves 170 can form when the stamped metal thin plate.These grooves 170 can be arranged on the upper surface at the contiguous described upward position at impeller 100 centers on described a plurality of upward washing rib 110.The position that is close to described upward impeller 100 centers on these on the washing rib 110 is lower narrower than the position of contiguous described upward impeller 100 peripheries on the washing rib on those 110, thereby has littler drawing coefficient in punching course.Therefore, if there are not these grooves 170, local wrinkling and distortion will take place.
According to an aspect of the present invention, when having these grooves 170 as shown in Figure 4, contiguous described position percentage elongation increase of going up impeller 100 centers on the washing rib 110 on these.Therefore, on processing is described during impeller 100 difference of the drawing coefficient of stamped metal thin plate solved local wrinkling and other distortion that produces when also having prevented punching press.When being prevented from of wrinkling and other distortion in part, described wave-wheel assembly is kept fine outward appearance, and is avoided by the structure problem that described inaccuracy size causes.
More a step, because the existence of the groove 170 on described washing rib 110 upper surfaces, compare its surface area increases with impeller of the prior art.And, when apply one with prior art in during the suitable substantially external force of suffered external force, the described compressive load per unit area of going up impeller 100 reduces, structure rigidity of impeller 100 is kept on this.
Still referring to Fig. 4, contiguous described impeller 200 centers down and be provided with a plurality of grooves 270 on the upper surface of described a plurality of washing rib 210 down with described corresponding position, position of going up the groove 170 on the impeller 100.These grooves 270 on the described impeller 200 down are basic identical with described those groove 170 shapes that go up on the impeller 100.
According to principle of the present invention, when washing operation, described wave-wheel assembly 400 can rotate by both forward and reverse directions.Therefore, when this wave-wheel assembly 400 changed rotation direction, hydraulic pressure was applied to described going up on the washing rib 110 vertically.Yet as shown in Figure 6, described upper and lower impeller 100 and 200 does not fit together each other, thereby has a little gap between the upper surface of the lower surface of impeller 100 and described impeller 200 down on described.When the rotation direction of described impeller 400 changed or have a large amount of water to flow above the impeller 100 on described, this closely spaced existence made described upper and lower impeller 100 and 200 collision mutually.Because this upper and lower impeller 100 and 200 bumps, can produce a large amount of disagreeable noises, under extreme case, plastic deformation also can take place in described going up on the impeller 100.And, can increase gradually with respect to a large amount of obviously the moving horizontally of described upper and lower impeller 100 and 200, cause mechanical problem.Therefore, the correction of the described wave-wheel assembly 400 shown in Fig. 4 design can prevent the generation of described relative motion substantially.
Referring to Fig. 7, provide a kind of structure that moves horizontally that is used for further preventing described relatively upper and lower impeller 100 and 200.In view of the above, on the upper surface of described impeller 200 down, be provided with a plurality of projections 215.According to an aspect of the present invention, these projections are located at the described outer surface of washing rib 210 down.This projection 215 can contact with the described lower surface of going up impeller 100, thereby can support impeller 100 on this when described wave-wheel assembly 400 is worked.According to an aspect of the present invention, described projection 215 is arranged on the corresponding limit of the described following washing rib 210 of impeller 200 down substantially symmetrically.According to a further aspect in the invention, this projection 215 can contact and described interior, the corresponding described lower surface of going up impeller 100 of lower surface of going up washing rib 110.According to principle of the present invention, when being provided with this projection 215 in the described impeller 400, even impeller 100 outer surfaces are applied with strong hydraulic pressure on described, the described impeller 100 of going up can not move relative to described impeller 200 down yet, and the problems referred to above are able to fine avoiding.Although not shown, this projection 215 also can be arranged on the surface of removing on the described down impeller 200 the described washing rib 210 down, and/or is arranged on the described circumference side of descending impeller 200.According to a further aspect in the invention, the cross section of described projection 215 is a polygon.
Figure 10 shows that the cutaway view of a kind of washing machine that proposes according to the principle of the invention.
Referring to Figure 10,, be provided with a plurality of bottoms impeller 280 from the described downward projection of lower surface of impeller 200 down at contiguous described outlet 240 places.Therefore, utilize centrifugal force, the water that flows out from described outlet 240 can be extracted out from the described wave-wheel assembly that is rotating 400 centers.The principle of utilizing bottom impeller 280 to draw water is similar to general centrifugal pump, is described in detail in this omission.
Referring to Fig. 5, described impeller 400 also can comprise a filter element 300.According to principle of the present invention, this filter element 300 can removably be fixed in the described inlet 120, and wherein, the flock that is contained in the water of being introduced by described inlet 120 is collected and removed to this filter element 300.According to an aspect of the present invention, this filter element 300 can have different embodiments with reference to the description of Fig. 5, Fig. 8 and Fig. 9.
Figure 5 shows that the schematic diagram that is installed in the described inlet 120 according to the filter element 300 of first aspect present invention.
Referring to Fig. 5, this filter element 300 can comprise for instance: a cylindrical housings 310; One lid 320; An and collecting net 330.The top of described cylindrical housings 310 can be opened wide.The bottom of this cylindrical housings 310 comprises a plurality of holes that water is flow through.This housing 310 can removably be fixed in described inlet 120 by a coupler body (not shown).Described lid 320 can be detachably fixed to the open upper portion of described housing 310 by a coupler body (not shown).And this lid 320 also can comprise a plurality of blastholes 325 that water and flock are passed through.Described collecting net 330 can comprise the opened upper end portion of the lid 320 in the contiguous described housing 310.Above-described this filter element 300 is installed in the described inlet 120, and when water passes this filter element 300 and is introduced in described inlet 120, the flock that comprises in the water will be collected in this collecting net 330.Therefore, this filter element 300 can effectively be removed flock.If collected a large amount of flocks by described collecting net 330, this filter element 300 can be taken out from described inlet 120, and described housing 310 is completely separate from each other with lid 320.Then, take out this collecting net 330, and take out collected flock.Behind the flock of from this collecting net 330, take out collecting, can assemble this collecting net 330 again and reinstall in the described inlet 120.
Fig. 8 and Figure 9 shows that the filter element 300 that is installed in the described inlet 120 according to second aspect present invention.
Referring to Fig. 8 and Fig. 9, this filter element 300 can comprise for instance: a cylindrical housings 340, one lids 350 and a filter 360.Described housing 340 can removably be fixed in described inlet 120 by a coupler body 345, and comprises an open upper portion.The bottom of this cylindrical housings 340 can fully be opened wide so that the water capacity easily flows through described inlet 120, maybe can comprise a plurality of through hole (not shown).Described lid 350 can removably be fixed in the open upper portion of described cylindrical housings 340, and comprises a plurality of blastholes 355 that water and flock are flow through.As shown in Figure 9, described filter 360 can be arranged in the bottom of described housing 340, collects and remove the flock that is contained in the water, and water is that the blasthole 355 by described lid 350 is incorporated in the described housing 340.This filter 360 can comprise a filter (for example sieve, silk screen etc.), to collect the flock in the water.
According to principle of the present invention, above-described upper and lower impeller 100 and 200 can be combined together to form wave-wheel assembly 400, is installed in the lower surface top of the inner core of a washing machine.This wave-wheel assembly 400 can be level around a driving shaft and rotate along both forward and reverse directions, makes the vertical and horizontal movement of water in the inner core.This washing machine is because the vertical and horizontal movement of water can realize cleaning function.
When this wave-wheel assembly 400 rotated, the described washing rib 110 that goes up directly contacted with water, makes the strong in the horizontal direction motion of water.When this wave-wheel assembly 400 rotated with a direction, the horizontal movement energy of water increased, and forms whirlpool in described inner core.Along with the increase of this vortex intensity, the water level at this inner core center reduces and water level around it increases.
If in the water motion, this wave-wheel assembly 400 makes the rotation direction counter-rotating suddenly, or influenced by other disturbing factor, and the water that is positioned at high water level can fall to the inner core center, and a spot of water then begins vertical motion.And the water that is arranged in the inner core center can be introduced into the inlet 120 of described wave-wheel assembly 400, by the guiding of described runner 250, is discharged into described wave-wheel assembly 400 belows through apopore 240.And the water in this washing machine can flow below described wave-wheel assembly 400 via described through hole 130 and 230.By the great power that described bottom impeller 280 produces, the water that occurs below described wave-wheel assembly 400 is drawn out of, and leaves described wave-wheel assembly 400 centers towards described inner core sidewall direction.Usually, described in the part that intersects of tube bottom and sidewall be arranged to circular edge, thereby the water of extracting out by described bottom impeller 280 is pulled to described sidewall along this circular edge, then then make progress towards the top of this washing machine.
When this water that is deflected when the sidewall of described inner core upwards rises, the water level at described inner core circumference place increases, more water is fallen towards described inner core center, here, as described above, the water that falls is sent to the bottom of described inner core, imports inlet 120, flows by described through hole 130 and 230 then.
Therefore, described wave-wheel assembly 400 of the present invention can produce very strong vertical motion in water, and the very strong horizontal movement of generation in water, wherein this very strong vertical motion due to, at least the inlet 120 of described pulsator apparatus, runner 250, outlet 240 due on part, and bottom impeller 280.
Figure 10 shows that the cutaway view of a kind of washing machine that proposes according to principle of the present invention.
Referring to Figure 10, described washing machine can comprise for instance: a casing 10, independent inner core and urceolus 10 and 20, one driving shafts 40, and the aforesaid described wave-wheel assembly 400 that relates to Fig. 2 to 9.Described casing 10 forms a shell, holds the various elements of this washing machine, is provided with a lid or cover on the upper surface of this casing 10.Described urceolus 20 is arranged in this casing 10 to keep the used water of the washing course of work.Described inner core 30 is installed in rotation in the described urceolus 20, the sidepiece of this inner core 30 comprise a plurality of through holes 35 so that water can be outside described, inner core 20 and 30 flow.Described driving shaft 40 can pass the bottom of described outer, inner core 20 and 30, and is connected on the motor, and this motor can make it as previously mentioned, rotates along both forward and reverse directions.Described wave-wheel assembly 400 can comprise the following impeller 200 that a last impeller 100 that a metal material is made and a synthetic resin material are made.
As shown in figure 10, described inner core 30 bottoms have a bottom surface 37, upward deflect by making by the sidewall of the water of bottom impeller 280 extractions along inner core 30, can help vertically to produce in water strong motion.This bottom surface 37 just is arranged on described wave-wheel assembly 400 belows, and adapts with the described bottom of impeller 200 down.According to an aspect of the present invention, this bottom surface 37 is by a preset distance, open with the lower surface and the ambient side surface isolation of described wave-wheel assembly 400, wherein, the water of being extracted out by described bottom impeller 280 can be mobile between the lower surface of described wave-wheel assembly 400 and side surface and described bottom surface 37.Because the inclined plane of the bending of this bottom surface 37, the motion of the water of being extracted out by described bottom impeller 280 is changed into approximate vertical from approximate horizontal effectively.This bottom surface 37 is compared with previously described circular edge, and it can more effectively vertically produce a kind of strong vertical motion in water.
Figure 11 and a kind of impeller that Figure 12 shows that principle proposition according to a second aspect of the invention.
Referring to Figure 11 and Figure 12, this impeller can comprise for instance: an impeller body 500 and a coat of metal 600 that is had on these impeller body 500 surfaces of being made by synthetic resin material (as thermosetting plastics etc.).
According to an aspect of the present invention, this impeller body 500 can be fixed on the driving shaft, and this driving shaft passes the bottom of tube, and can rotate along both forward and reverse directions.The projection that makes progress of the central part of the upper surface of described impeller body 500, a plurality of washing rib 510 are from this central part radially extends and from the projection that makes progress of the upper surface of this impeller body 500.
According to an aspect of the present invention, the described coat of metal 600 can be located on the upper surface of described impeller body 500 and on the outer surface.These coat of metal 600 usefulness metal materials such as chromium etc. are made, and adopt any suitable technology such as electro-plating method on this impeller body 500, to form, or go up impeller 100 and the impeller 100 of this punching press is assembled into the described method of impeller 200 down, or other suitable method according to previously described manufacturing is described.
This coat of metal 600 is arranged on the upper surface of described impeller body 500 or on the outer surface, can make this impeller body 500 have the basic the same surface of inner core decorations layer as described, thereby has improved the aesthetic of described washing machine.In addition, even when touching chemicals such as washing agent, this chrome plating 600 can not decolour and have the ability of very strong resistance to deformation yet.According to an aspect of the present invention, this metal coating 600 has high surface strength and low coefficient of friction, can prevent scraping and hair side.Thereby even after this washing machine uses for a long time, also can not damage clothing, this washing machine has very high reliability.
Referring to Figure 12, described impeller also can comprise an inlet 620, one outlets 540, and a runner 530.Described inlet 620 penetrates the coat of metal 600 that is positioned at this impeller central part 450.Described outlet 540 is located at the lower surface of described impeller body 500.According to an aspect of the present invention, this outlet 540 is located at the neighboring edge position of described impeller body 500.Described runner 530 can be located on the medial surface of described impeller body 500 and described inlet 620 is communicated with described outlet 540.Therefore, to similar referring to figs. 2 to 9 described wave-wheel assemblies 400, this Figure 11 and impeller shown in Figure 12 can both produce very strong motion along the vertical and horizontal directions in water.
Referring to Figure 12, described impeller also can comprise a filter element 700.According to an aspect of the present invention, this filter element 700 can removably be fixed in the described inlet 620, and collect and be incorporated into flock contained in the water of this inlet 620, and substantially as reference Fig. 5,8 and 9 described filter elements.
Although it is not shown in Figure 11 or Figure 12, this impeller according to the present invention also comprises a plurality of through holes that penetrate the described impeller body 500 and the coat of metal 600, at the set a plurality of strengthening grooves of the upper surface of described a plurality of washing rib etc., same, substantially as the description of top relevant wave-wheel assembly 400.Yet because Figure 11 and impeller shown in Figure 12 directly comprise the described coat of metal 600 on the outer surface of described synthetic resin impeller body 500, this wave-wheel assembly 400 does not only have curved edges, does not have described projection 215 yet.
In addition, although not shown, according to this aspect of the present invention, a kind of washing machine can comprise for instance: a casing, one, a driving shaft, and other washing machine element of having described with reference to Figure 10.And this washing machine comprises that also one has the impeller of the impeller body 500 and the coat of metal 600.Similar to the described washing machine of reference Figure 10, by the impeller of this kind washing machine, also can in water, produce very strong vertical and horizontal movement.
The washing machine that uses aforesaid impeller and be combined with aforementioned impeller has the advantage of following aspect at least.
At first, because the upper surface of described impeller is to be made by metal material, can prevent to swipe and the generation of hair side.Therefore, even this washing machine has used for a long time, can prevent that also clothing is damaged.So this washing machine has very high reliability.
Secondly, the upper surface of described impeller can have the quality of metal, and its gloss is similar to described inner core gloss.Therefore, increased the aesthetic property of washing machine.
The 3rd, the water in the inner core can be introduced this impeller by the inlet at described impeller center, and is discharged into this impeller bottom.Therefore, can in water, vertically produce very strong motion simply and effectively with horizontal direction.For example, that part of horizontal movement that is produced by the swabbing action that is positioned at the described bottom impeller of impeller bottom down in the water under the deflecting action of inner core bottom surface, can change vertical motion into, thereby vertically produces very strong motion effectively in water.Therefore, compare, can strengthen the washability of washing machine with the washing machine of prior art.
The 4th, because the flock that is contained in the water can be collected and be removed to the filter element of impeller porch, can prevent that washing machine from can't work because of excessive flock causes.In addition, when adopting filter element of the present invention, other filter element just needn't be set at the sidewall of described inner core.
The 5th, the wave-wheel assembly that the last impeller of use metal and the following impeller of synthetic resin are made can have groove, to strengthen the intensity of washing rib and projection, prevents from different moving to occur between upper and lower impeller, thereby improves the reliability of this wave-wheel assembly.
The 6th, the impeller made from the body and the coat of metal of synthetic resin can have beautiful outward appearance and manufacturing easily.
Obviously, for a person skilled in the art, under the prerequisite that does not deviate from the spirit and scope of the present invention, can make various changes and variation to the present invention.Therefore, various change of the present invention, the content that changes by appending claims and equivalent thereof contain.For example, if described impeller 100 intensity that go up enough and not need to strengthen by described impeller 200 down, described wave-wheel assembly 400 can not comprise washing rib 210 down.

Claims (64)

1. the impeller of a washing machine comprises:
Impeller on one, the described impeller of going up comprises:
One central part and a periphery;
One is positioned at the described inlet of going up the impeller central part; And
The last washing rib of a plurality of upwards projections, it is radially from the central part of described impeller and leaves towards periphery; And
Impeller once, described impeller down comprises:
A plurality of upwards following washing rib of projection, it can contact with the described lower surface of going up washing rib;
One flow-guiding surface with the described lower surface of going up an impeller distance at interval, limits a runner between the lower surface of impeller and the described flow-guiding surface on described, passes described inlet to guide current; And
One is positioned at the outlet of described flow-guiding surface end, in order to discharging in the described runner water that flows,
Wherein said impeller down can rotate, and is fixed on the driving shaft of washing machine.
2. impeller according to claim 1, wherein said upward impeller is to be made by metal material.
3. impeller according to claim 2, wherein said metal material comprises stainless steel.
4. impeller according to claim 1, wherein said impeller down is to be made by the synthetic resin material.
5. impeller according to claim 1, wherein:
The described impeller of going up also comprises an edge part; And
Described impeller down also comprises an edge part, and the wherein said edge part of going up impeller is bending and the described edge part of impeller down of fixing covering, thereby makes the described impeller of going up can not separate basically with described impeller down.
6. impeller according to claim 1, wherein said impeller down also comprises:
A lower surface; And
One bottom impeller, described bottom impeller are used for extracting out from the water of described outlet discharge from described impeller center from downward projection of described lower surface and contiguous described outlet.
7. impeller according to claim 1, wherein said runner is between described following washing rib.
8. impeller according to claim 7, wherein said outlet are arranged on a peripheral region of contiguous described flow-guiding surface.
9. impeller according to claim 1, wherein:
The described impeller of going up also comprises a plurality of first through holes; And
Described impeller down also comprises a plurality of second through holes, wherein said a plurality of first through hole aligns substantially with described a plurality of second through holes, via described a plurality of first through holes and a plurality of second through hole, described space of going up the impeller top is connected with the described space of impeller below down.
10. impeller according to claim 9, wherein said a plurality of first through holes and a plurality of second through hole are arranged on the peripheral region of contiguous described upper and lower impeller.
11. impeller according to claim 1, wherein said down impeller also comprises the water conservancy diversion rib of projection upwards, it can contact with the described lower surface of going up impeller, described water conservancy diversion rib is arranged between the periphery of described outlet and described impeller down, be used for guiding current to pass described outlet, be introduced into the space, an edge between described upper and lower impeller to prevent water stream.
12. impeller according to claim 1 also comprises:
One gap, an outer surface of described down washing rib and described between the inner surface of washing rib; And
A plurality of projections, described projection can contact with a described inner surface of going up the last washing rib of impeller from the described outer surface projection of washing rib down, are used for fully preventing that described upper and lower impeller from moving horizontally toward each other.
13. impeller according to claim 12, wherein said a plurality of protrusion-shaped are formed on the opposite external side surface of described washing rib down, and symmetrical substantially each other.
14. impeller according to claim 1 on the surface of described impeller down, also comprises a plurality of projections except that described washing rib down, can contact with the described inner surface of going up impeller, is used for fully preventing that described upper and lower impeller from moving horizontally toward each other.
15. impeller according to claim 12, wherein said a plurality of projections have polygonal cross section.
16. impeller according to claim 1 also comprises a filter element, removably is fixed in the described inlet, is used for collecting contained flock in the water of introducing described inlet.
17. impeller according to claim 16, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One collecting net is arranged in the described housing, is used for collecting described flock.
18. impeller according to claim 17, wherein said cylindrical housings and described lid removably are fixed on described inlet and the described cylindrical housings by a coupler body respectively.
19. impeller according to claim 16, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises a bottom and an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One filter is arranged on the bottom of described cylindrical housings, is used for collecting described flock.
20. impeller according to claim 19, wherein said cylindrical housings and described lid removably are fixed on described inlet and the described cylindrical housings by a coupler body respectively.
21. impeller according to claim 1 also comprises:
A plurality of first grooves are arranged on described a plurality of going up in the washing rib;
A plurality of second grooves are arranged in described a plurality of washing rib down, and wherein said a plurality of second grooves are the same substantially with described a plurality of first groove shapes.
22. a washing machine comprises:
One casing;
One is arranged on the cylindrical shell in the described casing;
One motor;
One driving shaft passes described cylindrical shell bottom surface, and can rotate by described motor-driven;
Impeller on one, the described impeller of going up comprises:
One central part and a periphery;
One is positioned at the described inlet of going up the impeller central part; And
The last washing rib of a plurality of upwards projections, it is radially, and the inlet of impeller leaves towards periphery on described; And impeller once, being fixed on the described driving shaft, described impeller down comprises:
A plurality of upwards following washing rib of projection, it can contact with the described lower surface of going up washing rib;
One flow-guiding surface with the described lower surface of going up an impeller distance at interval, limits a runner between the lower surface of impeller and the described flow-guiding surface on described, passes described inlet to guide current; And
One is positioned at the outlet of described flow-guiding surface end, in order to discharging in the described runner water that flows,
Wherein said impeller down can rotate.
23. washing machine according to claim 22, wherein said upward impeller is to be made by metal material.
24. washing machine according to claim 23, wherein said metal material comprises stainless steel.
25. washing machine according to claim 22, wherein said impeller down is to be made by the synthetic resin material.
26. washing machine according to claim 22, wherein said bottom surface and the described bottom of impeller down adapt.
27. washing machine according to claim 26, the outer surface of wherein said bottom surface and described upper and lower impeller is a preset distance at interval.
28. washing machine according to claim 27, wherein said impeller down also comprises:
A lower surface; And
One bottom impeller, described bottom impeller is used for by the zone between the outer surface of described bottom surface and described upper and lower impeller from downward projection of described lower surface and contiguous described outlet, extracts the water of discharging from described outlet out.
29. washing machine according to claim 22, wherein:
The described impeller of going up also comprises a plurality of first through holes; And
Described down impeller also comprises a plurality of second through holes, and wherein said a plurality of first through holes align substantially with described a plurality of second through holes, via described a plurality of first and a plurality of second through hole, described space of going up the impeller top with described under space below the impeller be connected.
30. washing machine according to claim 22, wherein said down impeller also comprises the water conservancy diversion rib of projection upwards, it can contact with the described lower surface of going up impeller, described water conservancy diversion rib is arranged between the periphery of described outlet and described impeller down, be used for guiding current to pass described outlet, be introduced into the space, an edge between described upper and lower impeller to prevent water stream.
31. washing machine according to claim 22 also comprises:
One gap, an outer surface of described down washing rib and described between the inner surface of washing rib; And
A plurality of projections from the described outer surface projection of washing rib down, can contact with a described inner surface of going up the last washing rib of impeller, are used for fully preventing that described upper and lower impeller from moving horizontally toward each other.
32. washing machine according to claim 22 also comprises a filter element, removably is fixed in the described inlet, is used for collecting contained flock in the water of introducing described inlet.
33. washing machine according to claim 32, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One collecting net is arranged in the described housing, is used for collecting described flock.
34. washing machine according to claim 32, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises a bottom and an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One filter is arranged on the bottom of described cylindrical housings, is used for collecting described flock.
35. the impeller of a washing machine comprises:
One impeller body has a plurality of upwards laundry ribs of projection, and wherein said impeller body is fixed on the rotatable driving shaft that passes a cylindrical shell lower surface; And
One is arranged at the lip-deep coat of metal of described impeller body.
36. impeller according to claim 35, wherein said impeller body is made by the synthetic resin material.
37. impeller according to claim 35, the wherein said coat of metal comprises a chrome plating.
38. impeller according to claim 35, wherein:
Described impeller body comprises a upper surface and an outer surface; And
The described coat of metal is arranged on described upper surface and the outer surface.
39. impeller according to claim 35 also comprises:
One penetrates the inlet of the described coat of metal;
At least one is positioned at the outlet of a bottom of described impeller body; And
One is positioned at the runner of described impeller body interior, is used for making described inlet can be connected with described at least one outlet.
40. according to the described impeller of claim 39, wherein:
Described inlet is arranged on the last central part of described impeller; And
Described outlet is arranged on a lower edge of contiguous described impeller body.
41., also comprise a filter element according to the described impeller of claim 39, removably be fixed in the described inlet, be used for collecting contained flock in the water of introducing described inlet.
42. according to right 41 described impellers, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One collecting net is arranged in the described housing, is used for collecting described flock.
43. according to the described impeller of claim 41, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises a bottom and an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One filter is arranged on the bottom of described cylindrical housings, is used for collecting described flock.
44. a washing machine comprises:
One cylindrical shell;
One driving shaft passes a bottom surface of described cylindrical shell, can rotate by a motor-driven;
One rotating impeller body is fixed on the described driving shaft, has a plurality of upwards washing rib of projection; And
One coat of metal is arranged on the surface of described impeller body.
45. according to the described washing machine of claim 44, wherein said impeller body is made by synthetic resin.
46. according to the described washing machine of claim 44, the wherein said coat of metal comprises chrome plating.
47., also comprise according to the described washing machine of claim 44:
One penetrates the inlet of the described coat of metal;
At least one is positioned at the outlet of a bottom of described impeller body; And
One is positioned at the runner of described impeller body interior, is used for making described inlet can be connected with described at least one outlet.
48., also comprise a filter element according to the described washing machine of claim 47, removably be fixed in the described inlet, be used for collecting contained flock in the water of introducing described inlet.
49. according to the described washing machine of claim 44, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One collecting net is arranged in the described housing, is used for collecting described flock.
50. according to the described washing machine of claim 44, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises a bottom and an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One filter is arranged on the bottom of described cylindrical housings, is used for collecting described flock.
51. the impeller of a washing machine comprises:
Impeller on one, the described impeller of going up comprises:
One circular body is pivotally mounted to the lower surface of a washing drum;
Washing rib on one from the projection that makes progress of described circular body, is used for making water to move along direction of rotation; And
Groove on one is arranged on described going up in the washing rib, be used for preventing on described that washing rib adds man-hour since the difference of drawing coefficient to produce the part wrinkling; And impeller once, be connected on the lower surface of described circular body.
52. according to the described impeller of claim 51, wherein said circular body comprises that one has the metallic plate of predetermined thickness.
53. according to the described impeller of claim 51, wherein said impeller down is to make with the synthetic resin material.
54. according to the described impeller of claim 51, wherein said circular body comprises a central part and a periphery, the wherein said washing rib that goes up is extended to described periphery from described central part, wherein said upward washing rib is more more protruding near the part of described central part than described upward washing rib near the part of described periphery, and wherein said channel shaped is formed near described central part place.
55. according to the described impeller of claim 51, wherein said impeller down also comprises:
Once washing rib can contact the described lower surface of going up washing rib; And
One lower groove is formed in the described washing rib down, and wherein said lower groove is basic and described, and upward groove shape is the same.
56. according to the described impeller of claim 51, wherein:
The described impeller of going up also comprises an inlet at described central part, and
Described impeller down also comprises:
One flow-guiding surface, with the described lower surface of going up an impeller distance at interval, qualification one runner between impeller and the described flow-guiding surface is used for guiding current to pass described inlet on described; And
One outlet is positioned at described flow-guiding surface end, in order to discharging in the described runner water that flows,
57. according to the described impeller of claim 51, wherein said upward impeller is to be made by stainless steel.
58. according to the described impeller of claim 56, wherein said impeller down also comprises:
A lower surface; With
One bottom impeller from downward projection of described lower surface and contiguous described outlet, is used for extracting the water of discharging from described outlet out from described impeller center down.
59. according to the described impeller of claim 51, wherein:
The described impeller of going up also comprises a plurality of first through holes; And
Described impeller down also comprises a plurality of second through holes, wherein said a plurality of first through hole aligns substantially with described a plurality of second through holes, via described a plurality of first through holes and a plurality of second through hole, described space of going up the impeller top is connected with the described space of impeller below down.
60. according to the described impeller of claim 56, wherein said down impeller also comprises the water conservancy diversion rib of projection upwards, it can contact with the described lower surface of going up impeller, described water conservancy diversion rib is arranged between the periphery of described outlet and described impeller down, be used for guiding current to pass described outlet, be introduced into the space, an edge between described upper and lower impeller to prevent water stream.
61., also comprise according to the described impeller of claim 55:
One gap, an outer surface of described down washing rib and described between the inner surface of washing rib; And
A plurality of projections from the described outer surface projection of washing rib down, can contact with a described inner surface of going up the last washing rib of impeller, are used for fully preventing that described upper and lower impeller from moving horizontally toward each other.
62., also comprise a filter element according to the described impeller of claim 56, removably be fixed in the described inlet, be used for collecting contained flock in the water of introducing described inlet.
63. according to the described impeller of claim 62, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One collecting net is arranged in the described housing, is used for collecting described flock.
64. according to the described impeller of claim 62, wherein said filter element comprises:
One cylindrical housings removably is fixed in the described inlet, and described cylindrical housings comprises a bottom and an open upper portion;
One lid removably is fixed in described open upper portion, and has a plurality of blastholes; And
One filter is arranged on the bottom of described cylindrical housings, is used for collecting described flock.
CN 03122147 2002-04-17 2003-04-17 Pulsator and washing machine using same Expired - Fee Related CN1252339C (en)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
KR10-2002-0021053A KR100476366B1 (en) 2002-04-17 2002-04-17 Thin film transistor array substrate and method of manufacturing the same
KR10-2002-0021054A KR100499371B1 (en) 2002-04-17 2002-04-17 Thin film transistor array substrate and method of manufacturing the same
KR1020020021038 2002-04-17
KR1020020021039 2002-04-17
KR1020020021037 2002-04-17
KR10-2002-0021055A KR100443835B1 (en) 2002-04-17 2002-04-17 Thin film transistor array substrate for protecting static electricity and manufacturing method thereof
KR1020020046136A KR20040013279A (en) 2002-08-05 2002-08-05 Structure for assembling pulsator in washing machine
KR1020020046137 2002-08-05
KR1020020046137A KR100740833B1 (en) 2002-08-05 2002-08-05 pulsator in washing machine
KR1020020046136 2002-08-05

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CN104695177A (en) * 2013-12-06 2015-06-10 无锡小天鹅股份有限公司 Drum assembly for washing machine and washing machine with same
CN105054226A (en) * 2012-12-25 2015-11-18 胡小青 Improved spin-drying machine with liquid storage component
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