CN105200703A - Impeller of washing machine - Google Patents

Impeller of washing machine Download PDF

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Publication number
CN105200703A
CN105200703A CN201510668859.4A CN201510668859A CN105200703A CN 105200703 A CN105200703 A CN 105200703A CN 201510668859 A CN201510668859 A CN 201510668859A CN 105200703 A CN105200703 A CN 105200703A
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China
Prior art keywords
impeller
washing machine
washing
impeller blade
dish
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CN201510668859.4A
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Chinese (zh)
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蒋凤英
熊飞彪
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蒋凤英
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Priority to CN201510668859.4A priority Critical patent/CN105200703A/en
Publication of CN105200703A publication Critical patent/CN105200703A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06Washing 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
    • D06F17/10Impellers
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/10Filtering arrangements

Abstract

The invention discloses an impeller of a washing machine. The impeller comprises an upper impeller and a lower impeller, wherein the upper impeller comprises an upper impeller disk; an upper middle boss and a plurality of upper washing ribs are arranged on the upper surface of the upper impeller disk; an opening is formed in the top of the upper middle boss; a filter unit and a guard plate with holes are installed below the opening; the lower impeller comprises a lower impeller disk; a lower middle boss and a plurality of lower washing ribs are arranged on the upper surface of the lower impeller disk; the lower washing ribs can come into contact with the lower surfaces of the upper washing ribs; a runner is defined between the lower middle boss and the lower surface of the upper middle boss; runner openings are formed in the periphery of the lower middle boss of the lower impeller disk; ring-shaped reinforcing ribs and impeller blades are arranged on the lower surface of the lower impeller disk; the impeller blades are connected with the outermost ring-shaped reinforcing rib; an impeller lining is also arranged in the innermost ring-shaped reinforcing rib; and an impeller formed by the impeller blades satisfies the following condition: when the impeller rotates forward or backward, the water formed by stirring of the impeller flows through the runner upward or downward.

Description

A kind of agitation wheel for washing machine
Technical field
The present invention relates to washing machine parts field, especially relate to and be a kind ofly arranged on inner tank of washing machine bottom, the impeller of the motion of water can be formed when rotating.
Background technology
Washing machine can be divided into stirring-type, drum-type and impeller-type three types usually.
The inner core central authorities of agitator type washing machine are provided with a stirring rod and several agitators, stirring rod and agitator can according to different clothing quality, degree of fouling, washings quality etc. or rotate back and forth soon or slowly within the scope of 360 °, and clothing is pulled rub back and forth in bosom, realize removing spot.Agitator type washing machine has outstanding clean ability, but in washing process, sound is comparatively large, can produce excessive rocking, and wear of clothes is also more serious.
Tumbling-box washing machine has the cylinder that the horizontal or tilting inner surface of level is provided with the rolling rib of multiple projection usually.During washing, water, washing agent and clothing are loaded in cylinder, and cylinder slowly runs under the drive of motor.Clothing is constantly promoted and is thrown in cylinder, then promotes and throw, does repeating motion.Just in this repeating motion process, clothing under the acting in conjunction of washing powder and water by washes clean.Tumbling-box washing machine have not damaging laundry, water loss few, washed the advantages such as rear clothing can not be wound.But on the other hand, tumbling-box washing machine has the noise be harmful to health, and consumes power is many, and be that fully clean its required time of clothing is relatively long.
Pulsator washing machine utilizes the frictional force produced between the current of motion and clothing to carry out washing clothes, and wherein, the motion of water is generally rotate generation by a discoidal impeller with positive and negative direction.Pulsator washing machine has outstanding clean ability, and required wash time is shorter.In addition, pulsator washing machine also have noise low, shake the advantages such as little, price is more cheap.
Fig. 1 shows a kind of partial sectional view of existing pulsator washing machine.See Fig. 1, be provided with one and in this urceolus, be provided with an inner core 2 rotationally for holding the cylindrical outer barrel (not shown) of water in casing 1, the sidewall of inner core 2 is provided with multiple hole 2a that water can be made to flow between inside and outside cylinder.An impeller 3 is arranged on the inside bottom of inner core 2, and this impeller 3 is connected with a driving shaft (not shown), and this driving shaft is driven by a motor (not shown).The upper surface of impeller 3 is provided with the washing rib 3a of multiple upwards projection radially from center.During work, the forward and reverse rotation of impeller, washings form the current of rotation under washing rib 3a stirs, and rub, thus reach the object of washing clothes between this current and clothing.The top of casing 1 is also provided with a top cover 4 and a case 5, and case 5 is used to open or close the opening that can be seen washing machine internal.In addition, the sidewall of inner core 2 is also provided with usually the filter screen 6 for filtering the flock formed in laundry processes.
Because pulsator washing machine relies on current to wash, therefore, current are most important to clean ability, and current stir generation by the impeller rotated, and limit by impeller shape and rotation mode thereof.
Existing impeller, see Fig. 2, Fig. 3, Fig. 4, comprises a circular impeller dish 1, and the upper surface of impeller dish 1 is provided with the washing rib 3 of upwards the middle part boss 2 of projection and several upwards projections, and washing rib 3 hoop is evenly distributed on around the boss 2 of middle part.The lower surface of impeller dish 1 is provided with multiple ring stiffener 4 and polylith impeller blade 5, and each impeller blade 5 is connected with the ring stiffener 4 of outermost, is provided with dowel (sign) between ring stiffener 4.Radius is minimum, be positioned at the ring stiffener 4 of inner side is provided with pulsator lining 7 for being connected with driving shaft of washing machine.The impeller blade 5 of existing impeller is all radially distribute straight in the middle part of impeller, and and horizontal plane.During laundry, impeller blade 5 is to surrounding exclusion washings, washings below impeller are moved upward through the flow-guiding channel be arranged on inside inner core, and spray to bottom inner core from the opening part of top, and the place such as the through hole 6 of portion of washing water on impeller dish 1 above impeller and the gap between impeller dish 1 periphery and inner core flows into below impeller, thus form one-way circulation current in vertical guide.No matter impeller is forward or rotates backward, and in this vertical guide, the direction of one-way circulation current can not change.These one-way circulation current are unfavorable for that solving clothing is wound around problem, and once clothing is wound around, not only clothing is difficult to by wash clean, and the heavy burden of whole washing machine can be serious eccentric, and mechanical loss increases greatly, and vibration and noise also increase thereupon; This adverse effect is especially obvious in the water smoking of automatic washing machine.
Thus, how to design a kind of agitation wheel for washing machine, by forward and reverse rotation, it can produce the current of specific modality, and effectively can reduce clothing and be wound around, be have technical problem to be solved.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of agitation wheel for washing machine, in laundry processes, by this impeller of rotating, can produce the current of specific modality, effectively can reduce clothing and be wound around.
The present invention is the technical scheme solving the employing of its technical problem: a kind of agitation wheel for washing machine, comprises a upper impeller and a lower impeller; Described upper impeller comprises impeller dish in a circle, the upper surface of described upper impeller dish is provided with the upper washing rib of the upwards upper middle part boss of projection and several upwards projections, the top of described upper middle part boss is provided with an open ports, is removably provided with a filter element and one piece of backplate with holes below described open ports; Described lower impeller comprises impeller dish under a circle, middle part boss and several lower washing rib under the upper surface of described lower impeller dish is provided with one, and described lower washing rib can contact with the lower surface of described upper washing rib; A runner be connected with the superjacent air space of upper impeller by described open ports is limited with between described lower middle part boss and the lower surface of described upper middle part boss; Described lower impeller dish is also provided with in described lower middle part boss peripheral region and is communicated with the lower underlying space of impeller and the runner mouth of described runner; The lower surface of described lower impeller dish is provided with ring stiffener and impeller blade, and each described impeller blade is connected with the described ring stiffener of outermost; The ring stiffener being positioned at inner side is also provided with the pulsator lining for being connected with driving shaft of washing machine; The shape of the impeller be made up of described impeller blade meets: when impeller rotates forward or backwards, is stirred and on the current direction formed or be downward through described runner by impeller.
Further, described impeller helically paddle.
Alternatively, described impeller can also be a kind of so preferred shape: described impeller blade is tabular, impeller blade and horizontal plane; The angle crossed between the radial alignment of impeller blade and outermost ring stiffener junction and described impeller blade is acute angle or right angle.Wherein, described impeller blade and horizontal plane, refer to that the table plane normal of flat impeller blade is positioned at horizontal plane.Cross the radial alignment of impeller blade and outermost ring stiffener junction, refer to be positioned at horizontal plane, crossing with lower impeller disk center line, cross impeller blade and the straight line of outermost ring stiffener in the junction of this horizontal plane.Cross the angle between the radial alignment of impeller blade and outermost ring stiffener junction and described impeller blade, refer to the angle between the radial alignment of impeller blade and outermost ring stiffener junction and the table plane of tabular impeller blade.
For the second preferable shape of described impeller, preferably, the angle crossed between the radial alignment of impeller blade and outermost ring stiffener junction and described impeller blade is 15 ° ~ 90 °.
Alternatively, described impeller can also be a kind of so preferred shape: described impeller blade is tabular, and the angle between impeller blade and horizontal plane is acute angle.Wherein, the angle between impeller blade and horizontal plane, refers to the angle between the table plane of tabular impeller blade and horizontal plane.
For the third preferable shape of described impeller, preferably, the angle between described impeller blade and horizontal plane is 15 ° ~ 75 °.
Further, described runner mouth is arranged on the radial outside of outermost ring stiffener.
Further, described filter element comprises a conducting element and a filtration members; Described conducting element comprises a large circular frame and a little circular frame, described little circular frame is positioned at above described circular frame greatly, be connected by bar shaped frame between large and small circular frame, between described large and small circular frame and bar shaped frame, be also provided with hard screen pack; Described filtration members comprises a top cover with holes and a circular clamping ring, and described top cover is positioned at above described clamping ring, is connected between top cover with clamping ring by connection strap, described top cover, is provided with stocking shape filter bag between clamping ring and connection strap; Be threaded connection between described large circular frame and described upper middle part boss, be threaded connection between described little circular frame and described clamping ring.
Further, the upper surface of described lower impeller dish is also provided with upwards projection, water conservancy diversion rib for preventing current from entering gap between upper impeller and lower impeller, and described water conservancy diversion rib is arranged on the outboard peripheries place of described runner mouth.
Further, described upper impeller is made up of metal material, and described lower impeller is made up of synthetic resin material; Described upper washing rib is also provided with the first groove; Described lower washing rib is provided with shape second groove basic the same with described first groove.
Good effect of the present invention is: one, impeller of the present invention is when rotating forward or backwards, is stirred and on the current direction formed or be downward through runner by impeller.The direction of rotation of getting impeller when making current direction dirty mistake runner is forward, then when impeller reversely rotates, washings below impeller are stirred by impeller and upwards flow through runner, impeller superjacent air space is sprayed to from the open ports being located at boss top, upper middle part, this is conducive to clothing to be broken up, and reduces clothing and is wound around in washing process.Two, impeller of the present invention thereon middle part boss inside be provided with filter element, the washings being crossed runner by filter element convection current filter, and can improve washing machine and clean ability.
Accompanying drawing explanation
Fig. 1 is a kind of cutaway drawing of existing pulsator washing machine.
Fig. 2 is a kind of front view of existing impeller.
Fig. 3 is the top view of impeller existing shown in Fig. 2.
Fig. 4 is the upward view of impeller existing shown in Fig. 2.
Fig. 5 is the stereogram from oblique upper viewing embodiment one.
Fig. 6 is the stereogram from oblique below viewing embodiment one.
Fig. 7 is the upward view of embodiment one.
Fig. 8 is the exploded perspective view from oblique upper viewing embodiment one.
Fig. 9 is the exploded perspective view from oblique below viewing embodiment one.
Figure 10 is the structural representation of backplate with holes and filter element.
Figure 11 is the structural representation of filter element.
Figure 12 is the exploded perspective view from oblique upper viewing embodiment two.
Figure 13 is the exploded perspective view from oblique below viewing embodiment two.
Figure 14 is the exploded perspective view from oblique upper viewing embodiment three.
Figure 15 is the exploded perspective view from oblique below viewing embodiment three.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment one
As shown in Fig. 5 ~ Fig. 9, the present embodiment comprises a upper impeller and a lower impeller.Upper impeller is made up of metal material, it comprises impeller dish 101 in a circle, the upper surface of upper impeller dish 101 is provided with the upper washing rib 103 of the upwards upper middle part boss 102 of a projection and six upwards projection, six upper washing rib 103 hoops are evenly distributed on middle part boss 102 around, on each, washing rib 103 radially distributes outwardly from the middle part of upper impeller dish 101, the top of upper middle part boss 102 is provided with an open ports, a filter element (302 is removably installed below open ports, 303) and one piece of backplate 301 with holes, backplate 301 with holes is provided with many hole 301-1(supplying washings to pass through as Figure 10).Upper impeller dish 101 is communicated with the upper superjacent air space of impeller and the first through hole 104 of underlying space in being also provided with near its peripheral region.
Lower impeller is made up of synthetic resin material, and it comprises impeller dish 201 under a circle, and the upper surface of lower impeller dish 201 is provided with the lower washing rib 203 of the upwards lower middle part boss 202 of a projection and six upwards projection.Six lower washing rib 203 hoops are evenly distributed on around lower middle part boss 202, and radially distribute outwardly in the middle part of lower impeller dish 201.The center of lower middle part boss 202 is also provided with a screw 206, and during installation, set bolt inserts screw, is fixed on driving shaft of washing machine by whole impeller.Lower impeller dish 201 is also provided with the runner mouth 211 of superjacent air space and the underlying space that can be communicated with lower impeller in lower middle part boss 202 peripheral region, the outboard peripheries place of runner mouth 211 is also provided with the water conservancy diversion rib 205 of upwards projection, upper and lower impeller is equipped with well, and water conservancy diversion rib 205 plays the effect preventing current from entering gap between upper and lower impeller.Runner mouth 211 is located between adjacent lower washing rib 203, is total up to six.After upper and lower impeller matched together, the upper surface of lower washing rib 203 can contact with the lower surface of upper washing rib 103, between the lower surface of lower middle part boss 202 and upper middle part boss 102, then there is a spacing, thus make lower middle part boss 202 and on middle part boss 102 lower surface between be limited with a runner, this runner is connected with the superjacent air space of upper impeller by the open ports at boss 202 top, upper middle part, meanwhile, this runner is connected with the underlying space of lower impeller by the runner mouth 211 be located on lower impeller dish 201.During washing clothes, washings from runner up or down through impeller, thus can form the current of specific modality.In addition, lower impeller dish 201 in being also provided with the size of the second through hole 204, second through hole 204 near its peripheral region, shape, position are all basically identical with the first through hole 104, so, washings also pass this impeller by the first through hole 104 and the second through hole 204.Upper and lower impeller is equipped with well, cooperation between upper washing rib 103 and lower washing rib 203 can prevent occurred level relative displacement between upper and lower impeller, simultaneously, the periphery of upper impeller dish 101 is bent the periphery covering lower impeller dish 201, thus make upper and lower impeller firmly fix together, cannot relative displacement be there is in vertical direction.
The lower surface of lower impeller dish 201 is provided with several ring stiffener 207 and multi-disc impeller blade 208, and each impeller blade 208 is connected with the ring stiffener 207 of outermost, and meanwhile, the upper end of impeller blade 208 is connected with lower impeller dish 201 one.Be provided with multiple dowel 209 between each ring stiffener, the ring stiffener 207 being positioned at inner side is also provided with the pulsator lining 210 for being connected with driving shaft of washing machine.Ring stiffener 207, dowel 209, pulsator lining 210 all belong to existing impeller common structure, thus do not remake too much description.Runner mouth 211 is arranged on the radial outside of outermost ring stiffener 207.
The most important improvement of the present invention is the design to impeller blade 208 shape, the shape of the impeller be made up of impeller blade 208 is met: when impeller rotates forward or backwards, is stirred and on the current direction formed or be downward through runner by impeller.Even get and stirred by impeller and the dirty runner of crossing of the current direction that formed, impeller direction of rotation is forward, then, when impeller reversely rotates, runner is crossed at current direction upper reaches.
In the present embodiment, impeller blade 208 is tabular, impeller blade 208 and horizontal plane.The angle crossed between the radial alignment of impeller blade 208 and outermost ring stiffener 207 junction and impeller blade 208 is acute angle or right angle.Particularly, in the present embodiment, the angle crossed between the radial alignment of impeller blade 208 and outermost ring stiffener 207 junction and impeller blade 208 is chosen as 70 °.
Another important improvement point of the present invention is to be provided with filter element and backplate with holes, and the structural design of filter element.
As shown in Figure 10, Figure 11, filter element comprises a conducting element 303 and a filtration members 302; Conducting element 303 comprises a large circular frame 303-3 and little circular frame 303-1, little circular frame 303-1 is positioned at above large circular frame 303-3, be connected by bar shaped frame 303-2 between large and small circular frame (303-3,303-1), between large and small circular frame (303-3,303-1) and bar shaped frame 303-2, be also provided with hard screen pack (not shown); Filtration members 302 comprises an a top cover 302-1 and with holes circular clamping ring 302-3, top cover 302-1 is positioned at above clamping ring 302-3, be connected by connection strap 302-2 between top cover 302-1 with clamping ring 302-3, top cover 302-1, between clamping ring 302-3 and connection strap 302-2, be provided with stocking shape filter bag (not shown); Be threaded connection between inside large circular frame 303-3 and upper middle part boss 102, be threaded connection between little circular frame 303-1 and clamping ring 302-3.
Embodiment two
As shown in Figure 12 and Figure 13, the present embodiment comprises a upper impeller and a lower impeller.Upper impeller is formed by thinner metal sheet stamping, it comprises impeller dish 101 in a circle, the upper surface of upper impeller dish 101 is provided with the upper washing rib 103 of the upwards upper middle part boss 102 of a projection and six upwards projection, six upper washing rib 103 hoops are evenly distributed on middle part boss 102 around, and on each, washing rib 103 radially distributes outwardly from the middle part of upper impeller dish 101.Compared with the part of contiguous upper impeller dish 101 periphery, the height of the part of upper washing rib 103 contiguous upper middle part boss 102 is lower and narrower, in addition, the part of upper washing rib 103 contiguous upper middle part boss 102 is also provided with the first groove 112.The top of upper middle part boss 102 is provided with an open ports, is removably provided with a filter element (302,303) and one piece of backplate 301 with holes below open ports.Upper impeller dish 101 is in being also provided with the first through hole 104 near its peripheral region.
Lower impeller is made up of synthetic resin material, and it comprises impeller dish 201 under a circle, and the upper surface of lower impeller dish 201 is provided with the lower washing rib 203 of the upwards lower middle part boss 202 of a projection and six upwards projection.Six lower washing rib 203 hoops are evenly distributed on around lower middle part boss 202, and radially distribute outwardly in the middle part of lower impeller dish 201.Compared with the part of contiguous lower impeller dish 201 periphery, the height of the part of lower washing rib 203 contiguous lower middle part boss 202 is lower and narrower, in addition, lower washing rib 203 is close in the part of middle part boss 202 and is also provided with shape second groove 212 basic the same with the first groove 112.The center of lower middle part boss 202 is also provided with a screw 206.Lower impeller dish 201 is also provided with runner mouth 211 in lower middle part boss 202 peripheral region, and the outboard peripheries place of runner mouth 211 is also provided with the water conservancy diversion rib 205 of upwards projection.Runner mouth 211 is located between adjacent lower washing rib 203.After upper and lower impeller matched together, the upper surface of lower washing rib 203 can contact with the lower surface of upper washing rib 103, between the lower surface of lower middle part boss 202 and upper middle part boss 102, then there is a spacing, make lower middle part boss 202 and on middle part boss 102 lower surface between be limited with a runner, this runner is connected by the superjacent air space of described open ports with upper impeller, meanwhile, be connected by the underlying space of runner mouth 211 with lower impeller.In addition, lower impeller dish 201 in being also provided with the size of the second through hole 204, second through hole 204 near its peripheral region, shape, position are all basically identical with the first through hole 104.
The lower surface of lower impeller dish 201 is provided with several ring stiffener 207 and multi-disc impeller blade 208, and each impeller blade 208 is connected with the ring stiffener 207 of outermost.Be provided with multiple dowel 209 between each ring stiffener, the ring stiffener 207 being positioned at inner side is also provided with pulsator lining 210.Ring stiffener 207, dowel 209, pulsator lining 210 all belong to existing impeller common structure.Runner mouth 211 is arranged on the radial outside of outermost ring stiffener 207.
In the present embodiment, the impeller be made up of impeller blade 208 helically paddle.The surface of each block impeller blade 208 threadingly can be scanned by line segment and be formed.
Embodiment three
As shown in Figure 14, Figure 15, the present embodiment comprises a upper impeller and a lower impeller.Upper impeller comprises a upper impeller dish 101, the upper surface of upper impeller dish 101 is provided with the upper washing rib 103 of the upwards upper middle part boss 102 of a projection and six upwards projection, six upper washing rib 103 hoops are evenly distributed on middle part boss 102 around, and on each, washing rib 103 radially distributes outwardly from the middle part of upper impeller dish 101.Compared with the part of contiguous upper impeller dish 101 periphery, the height of the part of upper washing rib 103 contiguous upper middle part boss 102 is lower and narrower, in addition, the part of upper washing rib 103 contiguous upper middle part boss 102 is also provided with the first groove 112.The top of upper middle part boss 102 is provided with an open ports, is removably provided with a filter element (302,303) and one piece of backplate 301 with holes below open ports.Upper impeller dish 101 is in being also provided with the first through hole 104 near its peripheral region.
Lower impeller comprises impeller dish 201 under a circle, and the upper surface of lower impeller dish 201 is provided with the lower washing rib 203 of the upwards lower middle part boss 202 of a projection and six upwards projection.Six lower washing rib 203 hoops are evenly distributed on around lower middle part boss 202, and radially distribute outwardly in the middle part of lower impeller dish 201.Compared with the part of contiguous lower impeller dish 201 periphery, the height of the part of lower washing rib 203 contiguous lower middle part boss 202 is lower and narrower, in addition, lower washing rib 203 is close in the part of middle part boss 202 and is also provided with shape second groove 212 basic the same with the first groove 112.The center of lower middle part boss 202 is also provided with a screw 206.Lower impeller dish 201 is also provided with runner mouth 211 in lower middle part boss 202 peripheral region, and the outboard peripheries place of runner mouth 211 is also provided with the water conservancy diversion rib 205 of upwards projection.After upper and lower impeller matched together, the upper surface of lower washing rib 203 can contact with the lower surface of upper washing rib 103, between the lower surface of lower middle part boss 202 and upper middle part boss 102, then there is a spacing, make lower middle part boss 202 and on middle part boss 102 lower surface between be limited with a runner, this runner is connected by the superjacent air space of described open ports with upper impeller, meanwhile, be connected by the underlying space of runner mouth 211 with lower impeller.In addition, lower impeller dish 201 in being also provided with the size of the second through hole 204, second through hole 204 near its peripheral region, shape, position are all basically identical with the first through hole 104.
The lower surface of lower impeller dish 201 is provided with several ring stiffener 207 and multi-disc impeller blade 208, and each impeller blade 208 is connected with the ring stiffener 207 of outermost.Be provided with multiple dowel 209 between each ring stiffener, the ring stiffener 207 being positioned at inner side is also provided with pulsator lining 210.Ring stiffener 207, dowel 209, pulsator lining 210 all belong to existing impeller common structure.Runner mouth 211 is arranged on the radial outside of outermost ring stiffener 207.
In the present embodiment, impeller blade 208 is in tabular, and the angle between impeller blade 208 and horizontal plane is acute angle.Particularly, in the present embodiment, the angle between impeller blade 208 and horizontal plane is chosen as 30 °.
Below in conjunction with embodiment one, the principle that the present invention obtains its Advantageous Effects is described further.
Towards impeller viewing above impeller, getting and being rotated counterclockwise direction is forward.When impeller rotates forward, under the stirring of impeller, washings below impeller are clapped to surrounding, and move upward through the flow-guiding channel be arranged on inside inner tank of washing machine, spray to bottom inner core from the opening part of top, and the portion of washing water above impeller flows into below impeller through runner and runner mouth, the first through hole and the place such as the second through hole and the gap between impeller periphery and inner core.When impeller reversely rotates, under the stirring of impeller, the washings below impeller gather to impeller central lower, and the washings gathered produce high pressure, and portion of washing water is sprayed to above impeller through runner mouth, runner, open ports.The washings upwards sprayed from open ports effectively can break up clothing, thus can reduce clothing winding.On the other hand, the washings upwards flowing through runner below runner are filtered unit and filter when flowing through filter element, thus, washing machine is cleaned ability and got a promotion.

Claims (10)

1. an agitation wheel for washing machine, is characterized in that, comprises a upper impeller and a lower impeller; Described upper impeller comprises impeller dish in a circle, the upper surface of described upper impeller dish is provided with the upper washing rib of the upwards upper middle part boss of projection and several upwards projections, the top of described upper middle part boss is provided with an open ports, is removably provided with a filter element and one piece of backplate with holes below described open ports; Described lower impeller comprises impeller dish under a circle, middle part boss and several lower washing rib under the upper surface of described lower impeller dish is provided with one, and described lower washing rib can contact with the lower surface of described upper washing rib; A runner be connected with the superjacent air space of upper impeller by described open ports is limited with between described lower middle part boss and the lower surface of described upper middle part boss; Described lower impeller dish is also provided with in described lower middle part boss peripheral region and is communicated with the lower underlying space of impeller and the runner mouth of described runner; The lower surface of described lower impeller dish is provided with ring stiffener and impeller blade, and each described impeller blade is connected with the described ring stiffener of outermost; The ring stiffener being positioned at inner side is also provided with the pulsator lining for being connected with driving shaft of washing machine; The shape of the impeller be made up of described impeller blade meets: when impeller rotates forward or backwards, is stirred and on the current direction formed or be downward through described runner by impeller.
2. agitation wheel for washing machine according to claim 1, is characterized in that, described impeller helically paddle.
3. agitation wheel for washing machine according to claim 1, is characterized in that, described impeller blade is tabular, impeller blade and horizontal plane; The angle crossed between the radial alignment of impeller blade and outermost ring stiffener junction and described impeller blade is acute angle or right angle.
4. agitation wheel for washing machine according to claim 1, is characterized in that, described impeller blade is tabular, impeller blade and horizontal plane; The angle crossed between the radial alignment of impeller blade and outermost ring stiffener junction and described impeller blade is 15 ° ~ 90 °.
5. agitation wheel for washing machine according to claim 1, is characterized in that, described impeller blade is tabular, and the angle between impeller blade and horizontal plane is acute angle.
6. agitation wheel for washing machine according to claim 1, is characterized in that, described impeller blade is tabular, and the angle between impeller blade and horizontal plane is 15 ° ~ 75 °.
7. the agitation wheel for washing machine according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that, described runner mouth is arranged on the radial outside of outermost ring stiffener.
8. agitation wheel for washing machine according to claim 7, is characterized in that, described filter element comprises a conducting element and a filtration members; Described conducting element comprises a large circular frame and a little circular frame, described little circular frame is positioned at above described circular frame greatly, be connected by bar shaped frame between large and small circular frame, between described large and small circular frame and bar shaped frame, be also provided with hard screen pack; Described filtration members comprises a top cover with holes and a circular clamping ring, and described top cover is positioned at above described clamping ring, is connected between top cover with clamping ring by connection strap, described top cover, is provided with stocking shape filter bag between clamping ring and connection strap; Be threaded connection between described large circular frame and described upper middle part boss, be threaded connection between described little circular frame and described clamping ring.
9. agitation wheel for washing machine according to claim 7, it is characterized in that, the upper surface of described lower impeller dish is also provided with upwards projection, water conservancy diversion rib for preventing current from entering gap between upper impeller and lower impeller, and described water conservancy diversion rib is arranged on the outboard peripheries place of described runner mouth.
10. agitation wheel for washing machine according to claim 7, is characterized in that, described upper impeller is made up of metal material, and described lower impeller is made up of synthetic resin material; Described upper washing rib is also provided with the first groove; Described lower washing rib is provided with shape second groove basic the same with described first groove.
CN201510668859.4A 2015-10-18 2015-10-18 Impeller of washing machine Withdrawn CN105200703A (en)

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CN (1) CN105200703A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110219130A (en) * 2018-03-02 2019-09-10 青岛海尔洗衣机有限公司 Impeller and clothes treatment device including the impeller
CN110387652A (en) * 2018-04-16 2019-10-29 无锡小天鹅电器有限公司 Laundry facilities

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0884886A (en) * 1994-09-19 1996-04-02 Toshiba Corp Washing machine
CN1451803A (en) * 2002-04-17 2003-10-29 Lg电子株式会社 Pulsator and washing machine using same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0884886A (en) * 1994-09-19 1996-04-02 Toshiba Corp Washing machine
CN1451803A (en) * 2002-04-17 2003-10-29 Lg电子株式会社 Pulsator and washing machine using same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110219130A (en) * 2018-03-02 2019-09-10 青岛海尔洗衣机有限公司 Impeller and clothes treatment device including the impeller
CN110387652A (en) * 2018-04-16 2019-10-29 无锡小天鹅电器有限公司 Laundry facilities
CN110387652B (en) * 2018-04-16 2021-10-15 无锡小天鹅电器有限公司 Laundry appliance

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Application publication date: 20151230