CN105483968A - Impeller for washing machine - Google Patents
Impeller for washing machine Download PDFInfo
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- CN105483968A CN105483968A CN201510885449.5A CN201510885449A CN105483968A CN 105483968 A CN105483968 A CN 105483968A CN 201510885449 A CN201510885449 A CN 201510885449A CN 105483968 A CN105483968 A CN 105483968A
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- Prior art keywords
- impeller
- washing machine
- water
- machine according
- moving rib
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
- D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
- D06F17/10—Impellers
Abstract
The invention discloses an impeller for a washing machine. At least one part of a disc face of the impeller is in a hook face shape of which the height is gradually increased in the first direction of the axis of the impeller. Water stirring ribs extending in the radial direction are arranged on the disc face of the impeller. According to the impeller, clothes participating in washing can rise and then fall when the impeller rotates under the stirring of the water stirring ribs, and therefore clothes can be more sufficiently washed, and the cleanness degree of clothes can be increased.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to a kind of impeller for washing machine.
Background technology
In correlation technique, the water-moving rib height of the impeller of washing machine is consistent, construction profile is almost identical, there are some shortcomings: one in the process of clothes washing, and impeller relies on rotating to drive current and clothing to wash, washing current turbulence intensity is lower, cleans scarce capacity; Its two, water burst stream limited height in the heart in producing when impeller reverses rapidly, the scarce capacity of rolling clothing, easily there is the unwashed phenomenon in local in clothing; Three, impeller does not embody the drag reduction structures had according to Hydrodynamics Theory design substantially, thus causes washings flow resistance comparatively large, and washing energy consumption is higher.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the invention reside in and propose a kind of impeller for washing machine, described impeller fully can wash clothing and capable of reducing energy consumption.
According to the impeller for washing machine of the embodiment of the present invention, the card of described impeller at least partially along the first direction around the axis of described impeller in the curve form increased highly gradually, and the card of described impeller is provided with the water-moving rib radially extended, and described water-moving rib is spaced apart multiple along the circumference of described impeller.
According to the impeller for washing machine of the embodiment of the present invention, the clothing participating in washing under the stirring of water-moving rib, first can rise along with the rotation of impeller and declines, thus, the washing of clothing can be made more abundant, thus can improve the washability of clothing.
In addition, the impeller for washing machine according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, the card of described impeller comprises the multiple camber along first direction, and every section of curved surface is all in the curve form increased gradually along described first direction height.
Further, the card of described impeller comprises arranges and two sections of curved surfaces of axisymmetrical about described impeller along described first direction, and the climb altitude of every section of curved surface is 20 millimeters.
Further, every section of curved surface is all the fan-shaped planar of 180 ° in central angle.
Alternatively, every section of curved surface is all furnished with three described water-moving ribs, and is positioned at the height of height lower than the part at the contiguous described impeller center of two other water-moving rib of the part at the contiguous described impeller center of a middle water-moving rib.
According to some embodiments of the present invention, described water-moving rib comprises six of the circumferential uniform intervals layout along described impeller.
According to some embodiments of the present invention, described water-moving rib has along described first direction upstream face positioned opposite and back side, and described upstream face is positioned at the upstream of described back side in said first direction, described upstream face is in from described card along first direction and the arc planar that upwards extends, and described back side extends downward the arc planar of the card of described impeller in the end face from described water-moving rib along first direction.
Further, described upstream face at least partially with the angle of horizontal plane in the scope of 70 ° to 80 °.
Alternatively, the arc planar at least partially in evagination of described upstream face.
Alternatively, the card arc transition of described upstream face and described impeller, and the end face arc transition of described upstream face and described water-moving rib.
Further, the top of described back side is the arc planar of evagination, and the bottom of described back side is the arc planar of indent, and the junction of the upper and lower of described back side forms the trace that the length direction along described water-moving rib extends.
Further, described trace is in recessed and away from inversion " S " type of the part epirelief at described impeller center near the part at described impeller center
Alternatively, described trace is positioned at 1/4th places of described water-moving rib height and the end face of close described water-moving rib.
Alternatively, the upper and lower of described impeller is tangent.
Alternatively, the end face of described water-moving rib in the shape increased gradually along first direction height, and the end face of described water-moving rib along the climb altitude of first direction in the scope of 1 millimeter to 3 millimeters.
According to some embodiments of the present invention, along described impeller in the radial direction, the end face of described water-moving rib is the shape of wave.
Alternatively, on the end face of described water-moving rib, the part at close described impeller center is to lower recess, and the end face of described water-moving rib raises up away from the part at described impeller center.
According to one embodiment of present invention, the part in the card of described impeller between multiple described water-moving rib is formed with through hole, the truncated conical shape that described through hole increases gradually in size from top to bottom.
Further, the diameter of described through hole upper end is 3 millimeters and lower end is of a size of 4 millimeters.
According to one embodiment of present invention, the bottom surface of described water-moving rib is furnished with multiple draining muscle.
According to one embodiment of present invention, the inner edge of card in close described impeller center of described impeller and the outer rim away from impeller center are all higher than the region between described inner edge and described outer rim.
According to one embodiment of present invention, the center formation wheel hub protruding upward of described impeller, multiple described water-moving rib is all connected with described wheel hub.
Alternatively, the outer peripheral face of described wheel hub is the arcwall face of evagination, and the cross section through described impeller axis of the outer peripheral face of described wheel hub is diametrically the circular arc of 250 millimeters.
Accompanying drawing explanation
Fig. 1 is a schematic diagram of the impeller for washing machine of the embodiment of the present invention.
Fig. 2 is another schematic diagram of the impeller for washing machine of the embodiment of the present invention.
Fig. 3 is another schematic diagram of the impeller for washing machine of the embodiment of the present invention.
Fig. 4 is a schematic diagram of the washing machine of the embodiment of the present invention.
Fig. 5 is another schematic diagram of the washing machine of the embodiment of the present invention.
Reference numeral:
Impeller 100, the card 101 of impeller, water-moving rib 102, upstream face 103, back side 104, trace 106, through hole 107, draining muscle 108, wheel hub 109, the outer peripheral face 1091 of wheel hub, washing machine 200, water injector plate 201, spout 202.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The present invention is directed to the drying ability of impeller in correlation technique, clothing turnup scarce capacity, the problems such as washing energy consumption is large, propose a kind of new technical solution, namely a kind of Novel bionic impeller 100 is devised, the card 101 of impeller 100 can to edge up type card for the height of similar snail propeller cap, fluoran stream surface 103 can design with reference to Hydrodynamics Theory, lee side 104 can copy the design of crucian fish body and the construction profile of water-moving rib 102 can be different, impeller 100 also has washability, the feature of energy consumption excellent combination property, the wheel hub 109 of outer convex, auxiliaryly wash spill drag reduction card and amount of size optimized design, the design of truncated cone-shaped card through hole 107 structure that diameter is up-small and down-big, partial water flow resistance can be weakened, increase current turbulence intensity, when lifting impeller 100 reverses, upper water burst stream is to the turnup effect of clothing, thus the demand of user can be met better.
The impeller 100 for washing machine according to the embodiment of the present invention is described in detail below in conjunction with Fig. 1 to Fig. 5.
As shown in Figure 1 to Figure 3, according to the impeller 100 for washing machine of the embodiment of the present invention, the card 101 of impeller 100 at least partially can along the first direction of the axis around impeller 100 (such as, first direction C in Fig. 1) in the curve form increased highly gradually, and the card 101 of impeller 100 can be provided with the water-moving rib 102 radially extended, the card 101 of impeller 100 can be provided with the water-moving rib 102 radially extended, and water-moving rib 102 can be spaced apart multiple along the circumference of impeller 100.Thus, the washability of clothing can be improved to a certain extent.
For example, referring to Fig. 3, the card 101 of impeller 100 can be that the height with similar snail propeller cap edges up type card.When impeller 100 rotates, the Archimedian screw shape upthrow mask of similar snail shell coiling shell has good guide effect, in conjunction with rotating the centrifugal action produced, water flow energy can be made to be lifted to higher position.
According to the impeller 100 for washing machine of the embodiment of the present invention, the clothing participating in washing under the stirring of water-moving rib 102, first can rise along with the rotation of impeller 100 and declines, thus, the washing of clothing can be made more abundant, thus the washability of clothing can be improved.
It should be noted that, the first direction alleged by the present invention can with reference to the first direction C in Fig. 1, and described " first " is only used to describe conveniently, the direction contrary with first direction C can be interpreted as second direction.
Referring to figs. 1 through Fig. 3, the card 101 of impeller 100 can comprise the multiple camber along first direction, and every section of curved surface all can in the curve form increased gradually along first direction height.Thus, the detersive efficiency of clothing can be improved to a certain extent.
Further, as shown in Figure 1, the card 101 of impeller 100 can comprise arranges and two sections of curved surfaces of axisymmetrical about impeller 100 along first direction, and the climb altitude of every section of curved surface all can be 20 millimeters.
Such as, in the example of fig. 1, can the arranging along first direction (the first direction C such as, in Fig. 1) of card 101 of impeller 100.
Further, as shown in Figure 1, every section of curved surface can be all the fan-shaped planar that central angle be 180 °.
With reference to Fig. 1, every section of curved surface all can be furnished with three water-moving ribs 102, and the height being positioned at the part at the contiguous impeller center of a middle water-moving rib 102 can lower than the height of the part at the contiguous impeller center of two other water-moving rib 102.Such structure can ensure the pressure of the water flow pressure near center lower than outer place, thus can reduce energy consumption, and water flow energy is more gushed on middle part.
Three water-moving ribs 102 are configured to the high form in middle short both sides, can facilitate current be serpentine track flowing, that is, at current after highly higher water-moving rib 102, because the Partial Height of water-moving rib 102 near impeller center of centre is little compared with the low hydraulic pressure that causes, therefore, flow in the center towards impeller 100 by a part of current, and under the influence of centrifugal force, current are by again to the edge flowing of impeller 100.
In addition, the card 101 of impeller 100 can be arranged to a curve form risen gradually along first direction C.The card 101 of impeller 100 can also be arranged to the multiple camber of three, four or five etc. the quantity be connected successively along first direction C, preferably, multiple curved surface can be arranged to the axisymmetric form in center about impeller 100.
See figures.1.and.2, water-moving rib 102 can comprise six of the circumferential uniform intervals layout along impeller 100.Thus, while guarantee clothes washing efficiency, the stressed of impeller 100 can be balanced.
Certainly, the above-mentioned description to water-moving rib 102 quantity is only concrete examples more of the present invention, can also at each water-moving rib 102 along the curved surface of spiral of Archimedes being arranged the quantity such as two, four, five, in addition, water-moving rib 102 on impeller 100 also can be other quantity, those of ordinary skill in the art can be easy to obtain according to foregoing description, are no longer described in detail.
With reference to Fig. 2 composition graphs 1, water-moving rib 102 can have along first direction upstream face 103 positioned opposite and back side 104, and upstream face 103 can be positioned at the upstream of back side 104 in a first direction, upstream face 103 can in from card 101 along first direction and the arc planar that upwards extends, and back side 104 can extend downward the arc planar of the card 101 of impeller 100 in the end face from water-moving rib 102 along first direction.Thus, both can ensure higher current rising height, also can relatively reduce washing power consumption.
Wherein, fluoran stream surface 103 can design with reference to Hydrodynamics Theory, and lee side 104 can copy the design of crucian fish body, and the construction profile of water-moving rib 102 can be different.
Further, as shown in Figure 3, upstream face 103 at least partially can in the scope of 70 ° to 80 ° with the angle of horizontal plane.
In addition, upstream face 103 at least partially can in the arc planar of evagination.
Alternatively, as shown in Figures 2 and 3, the card 101 of upstream face 103 and impeller 100 can arc transition, and upstream face 103 can arc transition with the end face of water-moving rib 102.Thus, impeller 100 can be made to be easy to processing, and impeller 100 scratch clothing can be avoided.
Further, with reference to Fig. 3 composition graphs 2, the top of back side 104 (such as, the top of back side 104 in Fig. 3) can in the arc planar of evagination, and the bottom of back side 104 (such as, the bottom of back side 104 in Fig. 3) can in the arc planar of indent, the junction of the upper and lower of back side 104 can form the trace 106 that the length direction radial direction of impeller 100 (such as, in Fig. 2) along water-moving rib 102 extends.
Composition graphs 2 and Fig. 3, trace 106 can in recessed and away from inversion " S " type of the part epirelief at impeller center near the part at impeller center.
Wherein, trace 106 is the recessed shape referring to this place can be high in middle low both sides of part near impeller center, and trace 106 refers to this place in the part epirelief away from impeller center can be the shape that centre is high, both sides are low.In other words, trace 106 roughly can be formed as inverted " S " type.
As shown in Figure 2, trace 106 can be positioned at 1/4th places of water-moving rib 102 height and the end face of close water-moving rib 102.Such structure can reduce current by resistance, avoids the regional area backflow phenomenon of water-moving rib 102 both sides, and makes the higher of the current lifting raised up, thus can strengthen the flow intensity of clothes washing, reduces washing power consumption.
Alternatively, the upper and lower of impeller 100 can be tangent.Thus, can make impeller 100 be easy to processing and for convenience detach.
Alternatively, the end face of water-moving rib 102 can be the shape increased gradually along first direction height, and the end face of water-moving rib 102 can in the scope of 1 millimeter to 3 millimeters along the climb altitude of first direction.
Preferably, the end face of water-moving rib 102 can be 2 millimeters along the climb altitude of first direction.
It should be noted that, the present invention does not do concrete restriction to the end face of water-moving rib 102 along the climb altitude of first direction, can accommodation as required in practical application.
According to some embodiments of the present invention, along impeller 100 in the radial direction, the end face of water-moving rib 102 can shape in wave.Thus, current can be made under the effect of water-moving rib 102 can to form turbulent flow, thus the washability of clothing can be improved to a certain extent.
Alternatively, the part near impeller 100 center on the end face of water-moving rib 102 to lower recess, and the end face of water-moving rib 102 can be able to raise up away from the part at impeller 100 center.
Wherein, the end face of water-moving rib 102 refers to this place near the part at impeller center to lower recess can in middle low, the shape that both sides are high, on the end face of water-moving rib 102 away from the part at impeller center raise up refer to this place can in middle high, the shape that both sides are low.This structure can make the junction of height point at water-moving rib 102 and low spot, and the current of peak level can turn to downwards suddenly, thus can form height and to rise and fall current, makes clothing can obtain beating washing.
See figures.1.and.2, the part in the card 101 of impeller 100 between multiple water-moving rib 102 can be formed with through hole 107, the truncated conical shape that through hole 107 can increase gradually in size from top to bottom.Thus, partial water flow resistance can be weakened, increase current turbulence intensity, promote when impeller 100 reverses and go up water burst stream to the turnup effect of clothing, thus the washability of clothing can be ensured.
In addition, as shown in Figure 2, the part in the card 101 of impeller 100 between multiple water-moving rib 102 is auxiliaryly wash spill drag reduction card, and through hole 107 can be formed in auxiliary washing in spill drag reduction card.
Such as, in the example of fig. 1 and 2, auxiliary spill drag reduction card of washing can between adjacent two water-moving ribs 102, and through hole 107 can be multiple, and multiple through hole 107 can be arranged in auxiliary central authorities of washing spill drag reduction card in interval.The auxiliary of optimal design washes the auxiliary washing that spill drag reduction card can participate in clothing in the washing process of clothing, thus can improve the washability of clothing further.
Particularly, the diameter of through hole upper end can be 3 millimeters and the size of through hole lower end can be 4 millimeters.Thus, when can ensure to wash, current can carry out recycle by through hole 107, thus can improve the utilization rate of washings to greatest extent, and the size of through hole 107 also can ensure that clothing or other article can not block through hole 107.
As shown in Figure 3, the bottom surface of water-moving rib 102 can be furnished with multiple draining muscle 108.
Such as, with reference to Fig. 3, multiple draining muscle 108 can be located at the back side of impeller 100 (such as, in Fig. 3 below impeller 100), multiple draining muscle 108 can squeezing the water below impeller 100 in impeller 100 at least partially again, thus can meet Washing is carried out to clothing while realize the recycle of water.
According to a specific embodiment of the present invention, as shown in Figures 2 and 3, the card 101 of impeller 100 can in the inner edge near impeller center with away from the outer rim at impeller center all higher than the region between inner edge and outer rim.Thus, current can be made under the effect of impeller 100 can to become turbulent flow, thus the washability of clothing can be improved to a certain extent.
With reference to Fig. 2 and Fig. 3, the center of impeller 100 can formation wheel hub 109 protruding upward, and multiple water-moving rib 102 all can be connected with wheel hub 109.Thus, impeller 100 in the process of work, make multiple water-moving rib 102 can with wheel hub 109 synchronous rotary, thus fully can to wash clothing.
Alternatively, as shown in Figures 2 and 3, the outer peripheral face 1091 of wheel hub 109 can be the arcwall face of evagination, and the cross section through impeller axis of the outer peripheral face of wheel hub 109 can be diametrically the circular arc of 250 millimeters.Thus, impeller 100 can be made to have the feature of washability, energy consumption excellent combination property.
In addition, central area evagination arc wheel hub 109 and auxiliary spill card of washing can be destroyed boundary layer, alleviate frictional resistance between current and boundary layer, thus can reduce resistance to water-flow.
Referring to figs. 1 through Fig. 3, the design of impeller 100 can improve local resistance and the current deflecting in multiple region, makes the flowing of water during clothes washing fiercer, and clothing tumbling effect is better, thus can ensure the clean ability strengthening clothing under the prerequisite of low energy consumption.
Particularly, according to the impeller 100 for washing machine of the embodiment of the present invention, the water-moving rib 102 mediated, part near center hub 109 is short relative to two contiguous water-moving ribs 102, such structure can reduce partial water flowing pressure, when impeller 100 rotates, the water flow near circumferential area can be made larger, intensity is fiercer, this short muscle structure can be impelled and is allocated to the current of circumferential area herein by the central area that the high water-moving rib 102 region steering pressure that outside pressure is larger is little by the water-moving rib 102 be close to, thus can form similar serpentine rub current, instead of single circumferential current, so both can improve the turbulence intensity of current, simultaneously, because the regional area pressure of short water-moving rib 102 reduces, current are reduced by resistance, thus washing energy consumption can be reduced.
With reference to Fig. 4 and Fig. 5, according to the washing machine 200 of the embodiment of the present invention, washing machine 200 can be provided with the above-mentioned impeller 100 for washing machine.Thus, can improve local resistance and the current deflecting in multiple region, make clothing flowing of water in washing process fiercer, the tumbling effect of clothing is better, thus can ensure the clean ability strengthening clothing under the prerequisite of low energy consumption.
According to the washing machine 200 being provided with above-mentioned impeller 100 of the embodiment of the present invention, greatly can improve the washability of clothing, reduce washing energy consumption, the card 101 of spirality impeller 100 can impel that washing current are fiercer, clothing tumbling effect is stronger, impel that clothing obtains fast, various dimensions full scale wash, shorten the wash time of clothing; The special defects crucian fish body structure of water-moving rib 102, the evagination arcuate structure of wheel hub 109 can reduce washings flow resistance, make the flowing of water fiercer, and the moment of torsion of impeller 100 in rotary course can be made to reduce, and washing power consumption reduces simultaneously; The design of amount of size optimization, up-small and down-big truncated cone-shaped through hole 107, can reduce the resistance during water circulation of washing machine 200, improves the utilization ratio of current, thus can reduce washing machine 200 and wash required water consumption.
When utilizing washing machine 200 washing clothes, current, clothing can be driven to carry out rotating and swinging by the rotating of impeller 100, rely on the friction of clothing and bucket wall, current that impeller 100 rotating is formed extrude, clothing and the mutual friction of current phase wash, by impeller 100 rotate forward form evagination indent current, rapidly reversion in being formed in the heart water burst stream can realize top clothing turnup to bottom, thus can realize evenly washing the multi-angle of clothing.
In addition, with reference to Fig. 3, multiple draining muscle 108 can be located at the back side of impeller 100 (such as, in Fig. 3 below impeller 100), water below impeller 100 can squeeze in the water injector plate 201 of washing machine 200 and sprays from spout 202 by multiple draining muscle 108, thus can realize the recycle of water while carrying out Washing to clothing.
In addition, according to the impeller 100 for washing machine of the embodiment of the present invention, adopt hydrodynamics bionics theoretical, imitative snail propeller cap according to the card 101 of spiral of Archimedes design spirality impeller 100, when impeller 100 is rotated, water flow energy lifting is higher, and forming layering current, clothes washing form increases.Copy crucian fish body to design water-moving rib 102, its lee side 104 designs trace 106, the upper and lower double-layer structure of alienation, and all water-moving ribs 102 pattern is all not identical, makes the variation of current pattern; The design of multiple drag reduction structures, make clothes washing more fast, more energy-conservation; The design of truncated cone-shaped through hole 107, makes impeller 100 wash and more economizes on water.
Foregoing description is exemplary, restriction not to this patent protection domain, under the prerequisite not departing from this patent design philosophy, the card 101 height relief height difference of spiral impeller 100 can be different, and in multiple card, card also can have difference in height; Can there be biomimetic features like multiple types the two sides of water-moving rib 102 at (comprising fluoran stream surface 103 and lee side 104); And different as required, the through hole 107 in card can have multiple different shape and quantity.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (23)
1. the impeller for washing machine, it is characterized in that, the card of described impeller at least partially along the first direction around the axis of described impeller in the curve form increased highly gradually, the card of described impeller is provided with the water-moving rib radially extended, and described water-moving rib is spaced apart multiple along the circumference of described impeller.
2. the impeller for washing machine according to claim 1, is characterized in that, the card of described impeller comprises the multiple camber along first direction, and every section of curved surface is all in the curve form increased gradually along described first direction height.
3. the impeller for washing machine according to claim 2, is characterized in that, the card of described impeller comprises arranges and two sections of curved surfaces of axisymmetrical about described impeller along described first direction, and the climb altitude of every section of curved surface is 20 millimeters.
4. the impeller for washing machine according to claim 3, is characterized in that, every section of curved surface is all the fan-shaped planar of 180 ° in central angle.
5. the impeller for washing machine according to claim 3, it is characterized in that, every section of curved surface is all furnished with three described water-moving ribs, and is positioned at the height of height lower than the part at the contiguous described impeller center of two other water-moving rib of the part at the contiguous described impeller center of a middle water-moving rib.
6. the impeller for washing machine according to any one of claim 1-5, is characterized in that, described water-moving rib comprises six of the circumferential uniform intervals layout along described impeller.
7. the impeller for washing machine according to any one of claim 1-5, it is characterized in that, described water-moving rib has along described first direction upstream face positioned opposite and back side, and described upstream face is positioned at the upstream of described back side in said first direction, described upstream face is in from described card along first direction and the arc planar that upwards extends, and described back side extends downward the arc planar of the card of described impeller in the end face from described water-moving rib along first direction.
8. the impeller for washing machine according to claim 7, is characterized in that, described upstream face at least partially with the angle of horizontal plane in the scope of 70 ° to 80 °.
9. the impeller for washing machine according to claim 7, is characterized in that, the arc planar at least partially in evagination of described upstream face.
10. the impeller for washing machine according to claim 7, is characterized in that, the card arc transition of described upstream face and described impeller, and the end face arc transition of described upstream face and described water-moving rib.
11. impellers for washing machine according to claim 7, it is characterized in that, the top of described back side is the arc planar of evagination, and the bottom of described back side is the arc planar of indent, the junction of the upper and lower of described back side forms the trace that the length direction along described water-moving rib extends.
12. impellers for washing machine according to claim 11, is characterized in that, described trace is in recessed and away from inversion " S " type of the part epirelief at described impeller center near the part at described impeller center.
13. impellers for washing machine according to claim 11, is characterized in that, described trace is positioned at 1/4th places of described water-moving rib height and the end face of close described water-moving rib.
14. impellers for washing machine according to claim 11, it is characterized in that, the upper and lower of described impeller is tangent.
15. impellers for washing machine according to claim 7, is characterized in that, the end face of described water-moving rib in the shape increased gradually along first direction height, and the end face of described water-moving rib along the climb altitude of first direction in the scope of 1 millimeter to 3 millimeters.
16. impellers for washing machine according to any one of claim 1-5, is characterized in that, along described impeller in the radial direction, the end face of described water-moving rib is the shape of wave.
17. impellers for washing machine according to claim 15, is characterized in that, on the end face of described water-moving rib, the part at close described impeller center is to lower recess, and the end face of described water-moving rib raises up away from the part at described impeller center.
18. impellers for washing machine according to claim 1, is characterized in that, the part in the card of described impeller between multiple described water-moving rib is formed with through hole, the truncated conical shape that described through hole increases gradually in size from top to bottom.
19. impellers for washing machine according to claim 18, is characterized in that, the diameter of described through hole upper end is 3 millimeters and lower end is of a size of 4 millimeters.
20. impellers for washing machine according to claim 1, is characterized in that, the bottom surface of described water-moving rib are furnished with multiple draining muscle.
21. impellers for washing machine according to claim 1, is characterized in that, the inner edge of card in close described impeller center of described impeller and the outer rim away from impeller center are all higher than the region between described inner edge and described outer rim.
22. impellers for washing machine according to claim 1, is characterized in that, the center formation wheel hub protruding upward of described impeller, multiple described water-moving rib is all connected with described wheel hub.
23. impellers for washing machine according to claim 13, is characterized in that, the outer peripheral face of described wheel hub is the arcwall face of evagination, and the cross section of the axis through described impeller of the outer peripheral face of described wheel hub is diametrically the circular arc of 250 millimeters.
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| CN105951363A (en) * | 2016-06-16 | 2016-09-21 | 无锡小天鹅股份有限公司 | Pulsator washing machine |
| CN105951365A (en) * | 2016-06-16 | 2016-09-21 | 无锡小天鹅股份有限公司 | Outer bucket of pulsator washing machine and pulsator washing machine with same |
| CN106811905A (en) * | 2016-11-30 | 2017-06-09 | 无锡小天鹅股份有限公司 | Rotary drum washing machine |
| CN110306321A (en) * | 2018-03-27 | 2019-10-08 | 青岛海尔洗衣机有限公司 | Wave-wheel assembly |
| CN111424389A (en) * | 2019-01-09 | 2020-07-17 | 青岛海尔洗衣机有限公司 | Impeller structure and washing machine |
| USD991603S1 (en) * | 2021-02-05 | 2023-07-04 | Lg Electronics Inc. | Pulsator for washing machine |
| USD992847S1 (en) * | 2021-02-05 | 2023-07-18 | Lg Electronics Inc. | Pulsator for washing machine |
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| USD992847S1 (en) * | 2021-02-05 | 2023-07-18 | Lg Electronics Inc. | Pulsator for washing machine |
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Effective date of registration: 20190812 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |
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