CN107653622B - Washing machine impeller and washing machine thereof - Google Patents
Washing machine impeller and washing machine thereof Download PDFInfo
- Publication number
- CN107653622B CN107653622B CN201711050027.1A CN201711050027A CN107653622B CN 107653622 B CN107653622 B CN 107653622B CN 201711050027 A CN201711050027 A CN 201711050027A CN 107653622 B CN107653622 B CN 107653622B
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- stirring blade
- impeller
- pulsator
- stirring
- washing machine
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- 238000005406 washing Methods 0.000 title claims abstract description 74
- 238000003756 stirring Methods 0.000 claims abstract description 173
- 230000000694 effects Effects 0.000 abstract description 32
- 238000001035 drying Methods 0.000 abstract description 18
- 238000004804 winding Methods 0.000 abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 40
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 230000037303 wrinkles Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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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
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a pulsator of a washing machine and the washing machine, wherein the pulsator of the washing machine comprises a pulsator body, two raised stirring blades extending from the center along the radial direction of the pulsator body are arranged on the pulsator body, and the two stirring blades extend on the same diameter in the radial direction. The impeller stirring blade has large area and steep shape, the clothes have movable spaces at the upper part, the lower part and the middle part, the winding is avoided, the washing and drying effects are better, and the dried clothes are fluffier.
Description
Technical Field
The invention belongs to the field of washing machine devices, and particularly relates to a washing machine pulsator and a washing machine thereof.
Background
In the current society, the washing machines of household appliances have become an integral part of life of people, and the types of the washing machines are also becoming more and more, including pulsator washing machines, drum washing machines, washing and drying integrated machines and the like. The pulsator washing machine is still used by a large number of clients, washing and drying integrated pulsator washing machines are also developed, and meanwhile, the requirements of the clients on the use of the pulsator washing machine are also higher and higher. The pulsator of the existing pulsator washing machine is generally provided with 3-6 stirring blade structures, the area of each stirring blade is relatively small, the general modeling is relatively flat, the washing performance is not high, meanwhile, the overturning of clothes is not facilitated, for the washing and drying integrated machine, the clothes drying time is poor and uneven, and a large number of wrinkles are generated.
In general, a conventional pulsator stirring blade is designed to have a shape that gradually widens from the center to the outer edge, for example, chinese patent application No. 200610065677.9 discloses a pulsator type vibration washing method and pulsator used therein. However, the stirring She Zhanyong impeller of the type has large space, water flows continuously change directions along the extending direction of the stirring blades to form different water flows, water flow disturbance is easy to cause, interaction among water flows in all directions weakens the strength of the water flows, clothes are very easy to wind and tie at the center, friction between the water flows and the clothes is not strong, the generated water flows are weak and have different directions, the space for overturning the clothes is small, and the clothes are easy to wind and tie at the center area.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a pulsator of a washing machine and the washing machine thereof.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
the first object of the invention is to provide a pulsator for a washing machine, comprising a pulsator body, wherein two raised stirring blades extending from the center along the radial direction of the pulsator body are arranged on the pulsator body, and the two stirring blades extend on the same diameter along the radial direction.
Further, the bottom of the stirring blade is wide and gradually narrows towards the top, the stirring blade comprises a first side surface and a second side surface which extend from the top to the impeller chassis, the first side surface and the second side surface are positioned on two radial sides of the stirring blade, and the curves of the first side surface and the second side surface intersecting with the impeller body are basically parallel to the radial direction of the stirring blade.
Further, the deviation angle between the curve of the first side surface and the second side surface intersecting the impeller body and the radial direction of the stirring blade is less than or equal to 6 degrees, and the deviation directions of the first side surface and the second side surface are opposite along the radial direction.
Further, the stirring vane further comprises an inner side surface and an outer side surface which extend from the top to the impeller chassis, the inner side surface extends towards the center of the impeller, the outer side surface extends towards the outer edge of the impeller, and the inner side surface and the outer side surface intersect with the impeller body to form an inner edge of the stirring vane and an outer edge of the stirring vane, and the inner edge and the outer edge are basically the same in length.
Further, the top of the stirring blade comprises a smooth part extending along the radial direction of the impeller body, and the height of the smooth part is basically unchanged.
Further, the top of the stirring blade further comprises a local protruding structure arranged on the inner side surface of the stirring blade, and the highest point of the local protruding structure is also the highest point of the stirring blade.
Further, the area of each stirring blade accounts for more than 10% of the area of the whole impeller chassis.
Further, the length of the outer edge of the stirring blade is 5% -30% of the outer circumference of the impeller chassis.
Further, the impeller chassis is recessed downwards, and preferably, the depth of the downward recess of the chassis is greater than 10mm.
A second object of the present invention is to provide a washing machine, to which the pulsator of the washing machine is mounted.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:
1. in order to enhance the washing effect, the impeller of the traditional washing machine is provided with a plurality of stirring blades, but the stirring blades are added to increase friction between water flow and clothes, so that the water flow is complicated, and the stirring blades are added to reduce the distribution space of the clothes, so that the clothes are easy to wind, and the washing effect is poor; the invention is provided with two stirring blades, and the stirring blades with large area and steep shape are arranged, so that the intensity of washing water flow can be ensured, meanwhile, the distribution space is increased for clothes, the simple high-intensity water flow is in full friction contact with the clothes, the clothes are scattered and are not easy to wind, and the washing and/or drying effect is greatly improved; when in dehydration, the space for distributing clothes is large, the clothes are easier to scatter, no winding is caused, and the dehydration effect is good;
2. according to the invention, two stirring blades which extend radially and are on the same diameter are arranged, and the curves of the first side surface and the second side surface of the stirring blades, which are intersected with the impeller body, are basically parallel to the radial direction of the stirring blades, so that the stirring blades drive water flow to be gradually enhanced from the center to the outside, the water flow is simple, pure water flow which is gradually enhanced in the same direction is generated, the washing effect is enhanced, and meanwhile, clothes are not easy to be accumulated at the center to be wound and knotted;
3. the inner edge and the outer edge of the stirring blade are basically the same in length, so that the area of the stirring blade is large, compared with the traditional stirring blade with the inner edge far smaller than the outer edge, the stirring blade provided by the invention obviously enhances the water flow intensity at the inner edge of the stirring blade, the water flow is simple, no winding is generated, and during drying, the stirring blade can easily scatter clothes in upper, lower, middle and other spaces, so that winding is avoided, and the dried clothes are fluffer and have less wrinkles;
6. simple structure, easy shaping, easy installation.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
FIG. 1 is a perspective view of a pulsator of a washing machine in accordance with the present invention;
FIG. 2 is a top view of a pulsator of a washing machine in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a B-B cross-sectional view of FIG. 2;
FIG. 5 is a C-C cross-sectional view of FIG. 2;
FIG. 6 is an exploded view of the impeller structure of the present invention;
fig. 7 is an enlarged view of the portion D of fig. 3.
In the figure: 1. the impeller comprises an impeller body, 11, a chassis, 2, stirring blades, 21, a top, 22, a first side surface, 23, a second side surface, 24, an inner side surface, 25, an outer side surface, 26, a smooth part, 27, a local convex structure, 3, a central rotating wheel, 31, a convex block, 32, a rotating wheel cover, 4, a metal gasket, 41 and a screw.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
As shown in fig. 1 to 6, the invention provides a pulsator for a washing machine, which comprises a pulsator body 1, wherein two raised stirring blades 2 extending from the center along the radial direction of the pulsator body 1 are arranged on the pulsator body 1, and the two stirring blades 2 extend on the same diameter along the radial direction.
In the above scheme, because the impeller of the existing washing machine is generally provided with 3-6 stirring blades 2, the size of the stirring blades 2 is relatively small, the shape is limited, the general shape is relatively flat, the overturning of clothes is not facilitated, the winding of the clothes is easily caused, and the washing effect is poor. In order to enhance the washing effect, the pulsator of the conventional washing machine is provided with a plurality of stirring blades 2, but the stirring blades 2 are added to increase friction between water flow and clothes, and meanwhile, the water flow is complicated, and the stirring blades 2 are added to reduce the distribution space of the clothes, so that the clothes are easy to wind, and the washing effect is poor. The invention is provided with two raised stirring blades 2 which extend along the radial direction of the impeller body 1 from the center, the two stirring blades 2 extend on the same diameter in the radial direction, the space for the clothes to move between the stirring blades 2 is larger than that of a common impeller, the stirring blades 2 can break up the clothes more easily when the clothes are horizontally turned over, the clothes can be turned over more easily, the washing effect is improved, the drying uniformity and the drying effect are improved for the impeller washing machine which is integrated with washing and drying, the winding is avoided, and the wrinkles on the clothes after the clothes are dried are less; the impeller stirring blade 2 not only can ensure that the direction of washing water flow is simple and high in strength, but also increases the distribution space for clothes, so that the simple high-strength water flow is in full friction contact with the clothes, the clothes are scattered and are not easy to wind, and the washing and/or drying effects are greatly improved; when in dehydration, the space for distributing clothes is large, the clothes are easier to scatter, no winding is caused, and the dehydration effect is good.
Further, the bottom of the stirring vane 2 is wide, and the bottom of the stirring vane is gradually narrowed towards the top, the stirring vane 2 comprises a first side 22 and a second side 23 which extend from the top 21 towards the impeller chassis 11, the first side 22 and the second side 23 are positioned at two radial sides of the stirring vane 2, and a curve of the intersection of the first side 22 and the second side 23 with the impeller body 1 is basically parallel to the radial direction of the stirring vane 2.
Further, the deviation angle between the curve of the first side surface 22 and the second side surface 23 intersecting with the impeller body 1 and the radial direction of the stirring blade is less than or equal to 6 degrees, and the deviation directions of the first side surface and the second side surface are opposite along the radial direction.
In the scheme, the traditional impeller stirring blade is designed into a shape which is gradually widened from the center to the outer edge, but the stirring She Zhanyong impeller of the type is large in space, water flows continuously change directions along the extending direction of the stirring blade to form different water flows, water flow disturbance is easy to cause, interaction among water flows in all directions weakens the strength of the water flows, clothes are extremely easy to wind and tie at the center, friction between the water flows and the clothes is also not strong, the generated water flows are weak and different in direction, the space for overturning the clothes is small, and the clothes are easy to wind and tie at the center area. According to the invention, two stirring blades 2 which extend radially and are on the same diameter are arranged, and the curves of the first side surface 22 and the second side surface 23 of the stirring blade 2 intersecting with the impeller body 1 are basically parallel to the radial direction of the stirring blade 2, so that the stirring blade 2 drives water flow to gradually strengthen from the center to the outside, the water flow direction is simple and basically unchanged, pure water flow which gradually strengthen in the same direction is generated, the washing effect is enhanced, and meanwhile, clothes are not easy to accumulate in the center to be wound and knotted. The first side 22 and the second side 23 smoothly transition to the chassis 11, so that the surface of the stirring vane 2 does not have protrusions for scraping the laundry while maintaining the shape of the reversible laundry, and the resistance of the stirring vane 2 to the laundry is reduced.
Further, the first side 22 and the second side 23 are in asymmetric shapes, and the steepness of the first side 22 and the steepness of the second side 23 are different; the stirring blades 2 are centrosymmetric.
In the above scheme, the first side 22 and the second side 23 are asymmetric, the steepness of the first side 22 and the steepness of the second side 23 are different, and the stirring blades 2 are centrosymmetric, so that the stirring blades 2 have two different effects on clothes in the forward and reverse rotation process of the pulsator of the washing machine, the clothes between the stirring blades 2 are also subjected to the two different effects, the clothes are prevented from being entangled, and the clothes are easier to turn over. The first side 22 and the second side 23 may both be inclined or both be curved or one curved and one inclined.
Further, the stirring vane 2 further includes an inner side 24 and an outer side 25 extending from the top 21 toward the impeller chassis 11, the inner side 24 extends toward the center of the impeller, the outer side 25 extends toward the outer edge of the impeller, and the curves of the inner side 24 and the outer side 25 intersecting the impeller body 1 form an inner edge of the stirring vane and an outer edge of the stirring vane, and the lengths of the inner edge and the outer edge are substantially the same. The inner side 24 and the outer side 25 are smoothly transitioned with the first side 22 and the second side 23, respectively.
In the above scheme, compared with the traditional stirring blade with the inner edge being far smaller than the outer edge, the length of the inner edge and the length of the outer edge of the stirring blade 2 are basically the same, so that the area of the stirring blade 2 is large, compared with the traditional stirring blade 2 with the inner edge being far smaller than the outer edge, the stirring blade 2 obviously enhances the water flow strength at the inner edge of the stirring blade 2, the water flow is simple, no winding is generated, and during drying, the stirring blade 2 can easily scatter clothes in the upper space, the lower space, the middle space and the like, so that winding is avoided, and the drying effect is good and little wrinkles are generated. The inner side surface 24 and the outer side surface 25 provide radial overturning acting force for the clothes, and the inner side surface 24 and the outer side surface 25 are respectively in smooth transition with the first side surface 22 and the second side surface 23, so that the resistance of the stirring blade 2 to the clothes is reduced.
Further, the inner side 24 extends from the top 21 toward the chassis 11 in the central region of the pulsator, and the outer side 25 extends from the top 21 toward the outer edge of the chassis 11.
In the above-mentioned scheme, the inner side 24 extends from the top 21 toward the chassis 11 in the central area of the pulsator rapidly, the inner side 24 is a cambered surface with a wide bottom and gradually narrowing toward the top 21, a gap exists between the inner sides 24 of each stirring blade 2, the edges of the inner sides 24 of each stirring blade 2 do not intersect, if the pulsator center further includes the central rotating wheel 3, the inclination angle of the inner side 24 is relatively large, and if the pulsator center is provided with a raised central portion, the inclination angle of the inner side 24 is relatively small, so as to prevent the clothes from remaining and winding in the central area. The outer side 25 extends from the top 21 to the outer edge of the chassis 11 rapidly, the inclination angle of the outer side 25 is large and is as close to the outer edge of the chassis 11 as possible, the overturning effect of clothes at the edge of the washing tub is enhanced, the clothes are prevented from being retained or accumulated at the edge of the washing tub, and the washing and/or drying effects are improved. The inner side 24 and the outer side 25 may be inclined or curved or one inclined and one curved.
Further, the top 21 of the stirring blade 2 includes a smooth portion 26 extending in the radial direction of the pulsator body 1, and the height of the smooth portion 26 is substantially constant.
Further, the top 21 of the stirring blade 2 further includes a local protrusion 27 disposed on the inner side 24 of the stirring blade 2, and the highest point of the local protrusion 27 is also the highest point of the stirring blade 2.
In the above-described aspect, the smooth portion 26 reduces the resistance of the pulsator 2 to the laundry, making it easier to turn over. The local bulge structure 27 makes the stirring vane 2 of the impeller of the invention steeper than the stirring vane 2 of a common impeller, is more beneficial to break up clothes and turn over clothes, prevents the clothes from piling up and winding at the inner edge of the stirring vane 2, or prevents the action of the central rotating wheel 3 from being insufficient to break up and turn over the clothes, and the local bulge structure 27 is arranged to enhance the action of the central rotating wheel 3.
Further, the area of each stirring blade 2 accounts for more than 10% of the area of the whole impeller chassis 11.
In the scheme, the area of each stirring blade 2 accounts for more than 10 percent of the area of the whole impeller chassis 11, so that the size of each stirring blade 2 is larger than that of the stirring blade 2 of a common impeller, the stirring effect of the impeller on stirring water flow is strong, and the washing effect is obviously enhanced.
Further, the distance between the outer edge of the stirring blade 2 and the outer edge of the chassis 11 is smaller than 10mm.
In the scheme, the distance between the outer edge of the stirring blade 2 and the outer edge of the chassis 11 is smaller than 10mm, so that the overturning effect of clothes at the edge of the washing barrel is enhanced, the clothes are prevented from being reserved or accumulated at the edge of the washing barrel, and the washing and/or drying effects are improved.
Further, the length of the outer edge of the stirring blade 2 is 5% -30% of the outer circumference of the impeller chassis 11.
In the scheme, the length of the outer edge of the stirring blade 2 is 5% -30% of the outer circumference of the impeller chassis 11, the outer edge of the stirring blade 2 is wide, the area of the stirring blade 2 is large, and the overturning effect of the stirring blade 2 is strong. But the size of the stirring blade 2 is in a reasonable range, so that space is provided for overturning the clothes, and the clothes are prevented from being entangled.
Further, the impeller chassis 11 is recessed downward, preferably, the depth of the downward recess is greater than 10mm.
In the above scheme, the chassis 11 is recessed downwards, so that the high point of the impeller stirring blade 2 is higher than that of the stirring blade 2 of the common impeller, the shape of the impeller stirring blade is steeper than that of the stirring blade 2 of the common impeller, the effect of stirring water flow by the stirring blade 2 is enhanced, space is provided for the up-down overturning of clothes, the clothes are easier to break up, winding is avoided, and washing and/or drying effects are enhanced. Moreover, compared with the common impeller stirring blade 2, the stirring blade 2 of the invention has higher impact and stirring effect on water flow by the stirring blade 2, so that the detergent and the like can be fully mixed with the water, and the cleaning effect of the washing machine is improved.
Further, the impeller body 1 is provided with a raised central portion at the center, and the inner edge of the stirring vane 2 at least partially wraps the central portion and extends from the central portion.
Further, the length of the inner edge of the stirring blade 2 wrapping the central part is more than 20% of the length of the outer edge of the stirring blade 2.
In the above scheme, the inner edge of the stirring blade 2 at least partially wraps the central part, and the inner edge of the stirring blade 2 is as close to the central position as possible, so that the clothes are more easily scattered and turned over, and the clothes are prevented from being entangled.
Further, the central portion is configured as a hemispherical structure, a plurality of smooth protrusions 31 are provided on the surface, the protrusions 31 extend uniformly circumferentially along the surface of the central portion, and two or more of the protrusions 31 are provided on the surface of the central portion.
In the above-described scheme, the bump 31 is provided to enhance the overturning effect of the center portion on the laundry, preventing the laundry from piling up and winding at the center.
Further, the chassis 11 of the pulsator body 1 is further provided with a plurality of through holes, and the through holes are distributed in a centrifugal involute manner from the center of the pulsator body 1.
In the scheme, the through holes can be used as water through holes to increase the water circulation quantity between the inner barrel and the outer barrel during washing, can also be used as a drying air inlet to improve the drying effect, and further enhance the attractive effect of the pulsator. Moreover, during washing, the through holes in centrifugal involute distribution generate a plurality of small water flows in centrifugal involute directions, so that clothes are prevented from being entangled, and meanwhile, the contact friction area between the water flows and the clothes is increased, so that the washing effect is better.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a pulsator for a washing machine, including a pulsator body 1, wherein two protruding stirring blades 2 extending from the center in the radial direction of the pulsator body 1 are provided on the pulsator body 1, and the two stirring blades 2 extend radially on the same diameter.
The bottom of the stirring blade 2 is wide, and the stirring blade 2 is gradually narrowed towards the top, the stirring blade 2 comprises a first side 22 and a second side 23 which extend from the top 21 towards the impeller chassis 11, the first side 22 and the second side 23 are positioned on two radial sides of the stirring blade 2, and the curves of the first side 22 and the second side 23 intersecting with the impeller body 1 are basically parallel to the radial direction of the stirring blade 2.
The deviation angle between the curve of the first side surface 22 and the second side surface 23 intersecting with the impeller body 1 and the radial direction of the stirring blade is less than or equal to 6 degrees, and the deviation directions of the first side surface and the second side surface are opposite along the radial direction.
The first side surface 22 and the second side surface 23 are in asymmetric shapes, and the steepness of the first side surface 22 and the steepness of the second side surface 23 are different; the stirring blades 2 are centrosymmetric. The first side surface 22 and the second side surface 23 are both curved surfaces.
The stirring vane 2 further comprises an inner side 24 and an outer side 25 which extend from the top 21 to the impeller chassis 11, the inner side 24 extends towards the center of the impeller, the outer side 25 extends towards the outer edge of the impeller, and the curves of the inner side 24 and the outer side 25 intersecting the impeller body 1 form an inner edge of the stirring vane and an outer edge of the stirring vane, and the lengths of the inner edge and the outer edge are basically the same. The inner side 24 and the outer side 25 are smoothly transitioned with the first side 22 and the second side 23, respectively. The inner side 24 and the outer side 25 are both curved surfaces.
The inner side 24 extends from the top 21 rapidly toward the chassis 11 in the central region of the pulsator, and the outer side 25 extends from the top 21 rapidly toward the outer edge of the chassis 11.
The outer edge of the stirring blade 2 is as close to the outer edge of the chassis 11 as possible, and the distance between the outer edge of the stirring blade 2 and the outer edge of the chassis 11 is smaller than 10mm.
The area of each stirring blade 2 accounts for more than 10% of the area of the whole impeller chassis 11.
The length of the outer edge of the stirring blade 2 is 5% -30% of the outer circumference of the impeller chassis 11.
The top 21 of the stirring vane 2 comprises a smooth portion 26 extending smoothly radially to the edge of the pulsator body 1, and the height of the smooth portion 26 is substantially constant. The top of the stirring blade 2 further comprises a local convex structure 27 arranged on the inner side 24 of the stirring blade 2, and the highest point of the local convex structure 27 is also the highest point of the stirring blade 2. The local protrusion 27 smoothly transitions with the smooth portion 26, and the local protrusion 27 smoothly transitions with the inner side 24, the first side 22, and the second side 23.
The impeller chassis 11 is sunken downwards, and the depth of the downward sunken chassis 11 is larger than 10mm.
The chassis 11 of the pulsator body 1 is also provided with a plurality of through holes which are distributed in a centrifugal involute manner from the center of the pulsator body 1.
Example two
The embodiment provides a washing machine impeller, including the impeller body, the impeller body is last to be set up two protruding stirring leaves that extend along the radial of impeller body from the center, and two stirring leaves radially extend on same diameter.
This embodiment is a further limitation of the first embodiment, and differs from the first embodiment in that the impeller body is provided with a raised central portion in the center thereof, and the inner edge of the stirring vane at least partially wraps around the central portion and extends from the central portion.
The length of the center part of the inner edge of the stirring blade is larger than 20% of the length of the outer edge of the stirring blade, and the length of the inner edge of the stirring blade is smaller than or equal to the length of the outer edge of the stirring blade.
The central part is arranged into a hemispherical structure, a plurality of smooth convex blocks are arranged on the surface of the central part, the convex blocks uniformly and circumferentially extend along the surface of the central part, and two or more weeks of convex blocks are arranged on the surface of the central part.
Example III
As shown in fig. 1 to 6, the present embodiment provides a pulsator for a washing machine, which includes a pulsator body 1, wherein two protruding stirring blades 2 extending from the center in the radial direction of the pulsator body 1 are provided on the pulsator body 1, and the two stirring blades 2 extend radially on the same diameter.
The present embodiment is further defined as the first embodiment, and the center of the pulsator body 1 is provided with a freely rotatable center rotating wheel 3 and a friction structure provided under the center rotating wheel 3.
The friction structure is a metal gasket 4 and is connected to the pulsator body 1 through a screw 41, and the center rotating wheel 3 is rotatably arranged above the metal gasket 4. The outer edge diameter of the metal gasket 4 is larger than or equal to the outer diameter of the bottom of the center rotating wheel 3.
The central rotating wheel 3 is of a hemispherical structure, a plurality of protruding blocks 31 are arranged on the surface of the central rotating wheel 3, and preferably, the protruding blocks 31 are uniformly and circumferentially arranged on the surface of the central rotating wheel 3. The convex blocks 31 uniformly and circumferentially extend along the surface of the central rotating wheel 3, and the convex blocks 31 are distributed on the surface of the central rotating wheel 3 for two weeks. The center rotating wheel 3 is of a hollow spherical structure, a plurality of ribs which increase strength and play a supporting role are arranged in the center rotating wheel 3, and a rotating wheel cover 32 is detachably arranged at the top 21 of the center rotating wheel 3.
The inner edge of the stirring blade 2 at least partially wraps the central rotating wheel 3 and extends from the central rotating wheel 3, the length of the inner edge of the stirring blade 2 wrapping the central rotating wheel 3 is greater than 20% of the length of the outer edge of the stirring blade 2, and the length of the inner edge of the stirring blade 2 is similar to the length of the outer edge of the stirring blade 2.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (9)
1. A pulsator for a washing machine, characterized in that: the impeller comprises an impeller body, wherein two raised stirring blades extending from the center along the radial direction of the impeller body are arranged on the impeller body, and the two stirring blades extend on the same diameter in the radial direction;
the stirring blade further comprises an inner side surface extending from the top to the impeller chassis, the inner side surface extends towards the center of the impeller, and a curve intersecting with the impeller body forms an inner edge of the stirring blade;
the top of stirring leaf still includes the local protruding structure of setting at stirring leaf medial surface, and the highest point of local protruding structure is the highest point of stirring leaf also.
2. A washing machine pulsator as set forth in claim 1, wherein: the stirring blade is wide in bottom and gradually narrowed towards the top, the stirring blade comprises a first side surface and a second side surface which extend from the top to the impeller chassis, the first side surface and the second side surface are positioned on two radial sides of the stirring blade, and curves of the first side surface and the second side surface intersecting with the impeller body are basically parallel to the radial direction of the stirring blade.
3. A washing machine pulsator as set forth in claim 2, wherein: the deviation angle between the curve of the first side surface and the second side surface intersecting with the impeller body and the radial direction of the stirring blade is less than or equal to 6 degrees, and the deviation directions of the first side surface and the second side surface are opposite along the radial direction.
4. A washing machine pulsator as claimed in claim 1 or 2, wherein: the stirring blade further comprises an outer side surface extending from the top to the impeller chassis, the outer side surface extends towards the outer edge of the impeller, a curve intersecting the impeller body forms an outer edge of the stirring blade, and the inner edge of the stirring blade and the outer edge of the stirring blade are basically the same in length.
5. A washing machine pulsator as claimed in any one of claims 1 to 4, wherein: the top of the stirring blade comprises a smooth part extending along the radial direction of the impeller body, and the height of the smooth part is basically unchanged.
6. A pulsator for washing machines as claimed in claim 4, wherein: the area of each stirring blade accounts for more than 10% of the area of the whole impeller chassis.
7. A pulsator for washing machines as claimed in claim 4, wherein: the length of the outer edge of the stirring blade is 5% -30% of the outer circumference of the impeller chassis.
8. A washing machine pulsator as claimed in any one of claims 1 to 7, wherein: the impeller chassis is recessed downwards, and preferably, the depth of the downward recess of the chassis is more than 10mm.
9. A washing machine, characterized in that: a pulsator as claimed in any one of claims 1 to 8 mounted.
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| CN201711050027.1A CN107653622B (en) | 2017-10-31 | 2017-10-31 | Washing machine impeller and washing machine thereof |
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| CN201711050027.1A CN107653622B (en) | 2017-10-31 | 2017-10-31 | Washing machine impeller and washing machine thereof |
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| CN107653622B true CN107653622B (en) | 2023-09-05 |
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| CN107653621B (en) * | 2017-10-31 | 2022-02-01 | 青岛海尔洗衣机有限公司 | Washing machine impeller and washing machine thereof |
| CN107653622B (en) * | 2017-10-31 | 2023-09-05 | 青岛海尔洗衣机有限公司 | Washing machine impeller and washing machine thereof |
| JP2019092881A (en) * | 2017-11-22 | 2019-06-20 | 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． | Washing machine |
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| US5865047A (en) * | 1996-04-29 | 1999-02-02 | Daewoo Electronics Co., Ltd. | Pulsator for a washing machine |
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| CN107653622A (en) * | 2017-10-31 | 2018-02-02 | 青岛海尔洗衣机有限公司 | A kind of agitation wheel for washing machine and its washing machine |
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| US5865047A (en) * | 1996-04-29 | 1999-02-02 | Daewoo Electronics Co., Ltd. | Pulsator for a washing machine |
| CN2665175Y (en) * | 2002-06-14 | 2004-12-22 | 海尔集团公司 | Washing machine impeller |
| CN102965876A (en) * | 2012-11-01 | 2013-03-13 | 海尔集团公司 | Low-twisting low-abrasion impeller and washing machine adopting same |
| CN104109964A (en) * | 2013-04-17 | 2014-10-22 | 海尔集团公司 | Inner tub and pulsator integrated structure and washing machine |
| CN107653622A (en) * | 2017-10-31 | 2018-02-02 | 青岛海尔洗衣机有限公司 | A kind of agitation wheel for washing machine and its washing machine |
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Effective date of registration: 20230802 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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