CN211256386U

CN211256386U - Anti-winding impeller for washing machine

Info

Publication number: CN211256386U
Application number: CN201921996705.8U
Authority: CN
Inventors: 李凯; 江河; 王红强; 黄育楷; 汤威
Original assignee: Whirlpool China Co Ltd
Current assignee: Whirlpool China Co Ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-14
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses an anti-wind is impeller for washing machine, including impeller skeleton and stainless steel impeller, stainless steel impeller covers the upper surface at impeller skeleton, evenly distributed has the several to dial the muscle along the high water of radial extension in stainless steel impeller's the quotation, adjacent two still be provided with between the muscle of high water of dialling and hang down the muscle of dialling, the muscle of high water of dialling is interior high outer low curved surface form, impeller skeleton's lower surface middle part is equipped with the impeller blade that prevents rivers formation middle swirl. The utility model discloses an adjustment impeller upper surface changes the structure of dialling the water muscle and at surface design impeller blade down, dials the water muscle and adopts the design of space smooth free curved surface, has the characteristics of showing of interior height outside low, does benefit to the washing in-process clothing and scatters to the outside, and three height is dialled the water muscle and is dialled water muscle cross distribution with low, is the height and undulates the form, in the washing, does benefit to the clothing and rubs with the hands and disperse, reduces the clothing and takes place the winding at the laundry in-process.

Description

Anti-winding impeller for washing machine

Technical Field

The utility model relates to a washing machine field especially relates to antiwind impeller for washing machine.

Background

In the existing impeller washing machine, impeller blades on the upper surface of an impeller are mostly designed to be flush inside and outside or low inside and high outside, and no matter the impeller rotates forwards or reversely, a vortex is easily formed in a water flow middle part; the impeller blades on the lower surface radially penetrate through the whole impeller from inside to outside and are vertical to the horizontal plane. When washing clothes, the impeller blades squeeze washing water to the periphery, so that the washing water below the impeller moves upwards through a gap between the circulating water channel and the inner barrel and is sprayed back to the bottom of the inner barrel from an opening above; the washing water above the impeller flows into the lower part of the impeller through the through holes on the impeller and the gaps between the impeller and the inner barrel, so that unidirectional circulating water flow is formed on the vertical surface. The unidirectional circulation water flow and the vortex in the middle of the water flow easily cause the winding of clothes, once the clothes are wound, the gravity center of the whole inner barrel is deviated, the vibration and the noise of the washing machine in the washing and dewatering processes are increased, and meanwhile, the clothes cannot be cleaned due to the fact that the clothes are wound into a group.

SUMMERY OF THE UTILITY MODEL

The purpose of this patent is in order to provide an anti-wind formula impeller for washing machine, through the structural design of adjustment impeller upper surface and lower surface impeller blade, has avoided rivers at the central swirl that stirs the in-process and form, scatters rivers to be the flower form all around simultaneously, has the utilization to break up the clothing, reduces the clothing and takes place the winding at the laundry in-process.

In order to achieve the purpose, the following technical scheme is adopted in the patent:

the utility model provides an anti-winding impeller for washing machine, includes impeller skeleton and stainless steel impeller, the stainless steel impeller covers the upper surface at the impeller skeleton, evenly distributed has the several along the high muscle of dialling of radial extension on the quotation of stainless steel impeller, adjacent two still be provided with between the high muscle of dialling and dial the muscle, high muscle of dialling is interior high outer low curved surface form, the lower surface middle part of impeller skeleton is equipped with the impeller blade that prevents rivers and form middle swirl.

Preferably, the high water-stirring rib is provided with a water-facing surface and a water-backing surface which are oppositely arranged along the rotation direction of the high water-stirring rib, the water-facing surface and the water-backing surface both adopt arc structures, the water-facing surface and the water-backing surface of the high water-stirring rib are in arc transition with the disk surface of the stainless steel impeller, and the water-facing surface and the water-backing surface of the high water-stirring rib are in arc transition with the top surface of the high water-stirring rib.

Preferably, two adjacent high water-repellent ribs are in circular arc transition.

Preferably, the lower end part of the high water-stirring rib extends to the edge of the disk surface along the radial direction of the stainless steel impeller.

Preferably, the low water-repellent ribs are of an arc structure with a low inner part and a high outer part, the height of the low water-repellent ribs is lower than that of the high water-repellent ribs, and the high water-repellent ribs and the low water-repellent ribs in corresponding quantity are distributed in a staggered manner in a high-low fluctuating shape.

Preferably, the impeller framework is formed by injection molding of modified polypropylene, and the stainless steel impeller is made of an SUS stainless steel plate and is covered and installed on the surface of the impeller framework through a riveting process.

Preferably, a pulsator cover made of SUS304 stainless steel is arranged at the center of the pulsator framework.

Preferably, a plurality of through holes with coincident central axes are distributed on the edge of the wave wheel framework and the stainless steel wave wheel in an annular mode.

Preferably, the center of the impeller framework and the opposite side of the stainless steel impeller are provided with a transmission spline, and the transmission spline and the impeller framework are integrally formed through an injection molding process.

The utility model has the advantages that:

(1) the utility model discloses antiwind impeller has broken through the design theory of washing machine tradition impeller, and the impeller is when forward or reverse rotation, stirs and forms to scattering the rivers that are the blooming form all around by the water muscle of dialling of six equipartition height fluctuations, breaks up the clothing to useful, reduces the clothing and takes place the winding at the laundry in-process.

(2) The utility model provides a high water-stirring bar is interior high outer low curved surface form, is favorable to clothing to scatter to the outside in the washing process to can make the rotatory rivers that form the form of flowering form of stainless steel impeller, the upstream surface and the dorsal surface of high water-stirring bar all with stainless steel impeller's quotation circular arc transition, the upstream surface and the dorsal surface of high water-stirring bar all with the top surface circular arc transition of high water-stirring bar, can reduce rivers and the resistance between the water-stirring bar, can reduce washing machine's energy consumption to a certain extent.

(3) The utility model discloses in be equipped with the impeller blade that prevents rivers and form middle swirl in the lower surface middle part of impeller skeleton, when the stainless steel impeller was rotatory, rivers were to evenly scattering all around, were the form of blooming, prevented to produce the swirl and twine the clothing.

Drawings

The accompanying drawings 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 and not to limit the invention. In the drawings:

fig. 1 is a front view of an anti-wind impeller for a washing machine according to the present invention;

fig. 2 is a top view of the anti-wind impeller for washing machine provided by the present invention;

fig. 3 is a schematic cross-sectional view of the impeller for the anti-wind washing machine of the present invention at a position a in fig. 2;

fig. 4 is a schematic cross-sectional view of the impeller for the anti-wind washing machine shown in fig. 2B;

fig. 5 is a schematic diagram of a back structure of the impeller for the anti-wind washing machine of the present invention.

In the figure: 1. a wave wheel framework; 2. a stainless steel impeller; 3. a wave wheel cover; 4. a drive spline; 5. high water-repellent ribs; 6. a through hole; 7. low water-repellent ribs; 8. impeller blades.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses to among the prior art for the washing machine impeller when the washing is rotatory, the vortex in the middle of impeller adoption one-way circulation rivers and rivers very easily causes technical problem such as winding of clothing, a new impeller is proposed, through the structure of adjustment impeller upper surface change water stirring muscle and at lower surface design impeller blade, the central swirl of rivers at the stirring in-process formation has been avoided, it is the form of blooming to scatter rivers all around simultaneously, break up the clothing to useful, can be abundant with the clothing sanitization, thereby can satisfy user's demand better.

The pulsator for washing machines according to the embodiments of the present invention will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1-2, the anti-wind impeller for washing machine of the present invention comprises an impeller frame 1 and a stainless steel impeller 2, the stainless steel impeller 2 covers the upper surface of the impeller frame 1, a plurality of high water-stirring ribs 5 extending along the radial direction are uniformly distributed on the disk surface of the stainless steel impeller 2, a low water-stirring rib 7 is further arranged between two adjacent high water-stirring ribs 5, the high water-stirring rib 5 and the low water-stirring rib 7 cooperate to improve the washing degree of clothes to a certain extent, and the high water-stirring rib 5 is a curved surface with a high inside and a low outside, which is beneficial for the clothes to be dispersed to the outside during the washing process, and can make the stainless steel impeller 2 form a flower-shaped water flow when rotating, the inside and outside directions of the present invention refer to fig. 4, as shown in fig. 5, an impeller sheet 8 for preventing the water flow from forming a middle vortex is arranged at the middle position of the lower surface of the impeller frame, the water is uniformly dispersed around and is in a flower shape, so that the clothes are prevented from being wound by vortexes.

As shown in fig. 1, the utility model provides a high water bar 5 has the upstream face and the dorsal surface of following its rotation direction mutual disposition, during the washing clothing, stainless steel impeller 2 rotates, its upstream face is with rivers lifting to eminence, make the abundant contact of water and clothing, the clothing descends again along with stainless steel impeller 2's rotation rises earlier on water bar simultaneously, can make the abundant washing of clothing clean, upstream face and dorsal surface all adopt the arc structure, and the upstream face and the dorsal surface of high water bar 5 all with stainless steel impeller 2's quotation circular arc transition, the upstream face and the dorsal surface of high water bar 5 all with the top surface circular arc transition of high water bar 5, can reduce rivers and the resistance of dialling between the bar, can reduce washing machine's energy consumption to a certain extent.

Further, two adjacent high water distributing ribs 5 are in arc transition, and an arc transition structure is also adopted between the high water distributing ribs 5, so that the resistance of water flow and the friction between clothes and the water distributing ribs can be further reduced, and the cleanliness of the clothes can be improved.

As shown in fig. 1, the low side part of the high water repellent muscle 5 radially extends to the quotation edge along the stainless steel impeller 2, and is different from the low water repellent muscle 7, the utility model discloses in with the high water repellent muscle 5 low side part along the stainless steel impeller 2 radially extends to the quotation edge, the area of contact between the high water repellent muscle 5 of increase and the clothing ensures that the clothing can be by abundant roll in the washing process.

Refer to fig. 1, 2 and show, low water muscle 7 of dialling is the arc structure of interior low outer height to low water muscle 7 highly is less than the height of high water muscle 5 of dialling, and the several is high to be dialled water muscle 5 and is the height and undulates with the low water muscle 7 cross distribution that dials of corresponding quantity, the utility model discloses well selection height is dialled water muscle 5 quantity and is three best, and three height is dialled water muscle 5 and three low water muscle 7 evenly cross distribution of dialling, at the washing in-process, does benefit to the clothing and rubs with the hands and washes and the dispersion.

Referring to fig. 3, the utility model discloses well impeller skeleton 1 adopts modified polypropylene to mould plastics and forms, and stainless steel impeller 2 then adopts SUS304 stainless steel board and covers through riveting process and install on impeller skeleton 1 surface, and whether impeller skeleton 1 of modified polypropylene material or SUS304 stainless steel impeller 2 all can ensure for a long time that the impeller does not rust, can prolong the life of impeller.

In addition, the central position of the impeller framework 1 is provided with an impeller cover 3 made of SUS304 stainless steel, and the impeller cover 3 and the stainless steel impeller 2 are made of the same material, so that the integral attractiveness of the disk surface of the stainless steel impeller 2 is ensured.

Furthermore, a plurality of through holes 6 with coincident central axes are distributed at the edge of the impeller framework 1 and the stainless steel impeller 2 in an annular mode, washing water above the impeller flows into the lower portion of the impeller through the through holes 6 on the impeller, when clothes are washed, the impeller blades at the bottom of the impeller framework 1 squeeze the washing water to the periphery, the washing water below the impeller moves upwards through a gap between the circulating water channel and the inner barrel and is sprayed back to the bottom of the inner barrel from an opening at the upper portion, the washing water above the stainless steel impeller 2 flows into the lower portion of the impeller through the through holes 6, circulating water flow is formed, the number and the size of the through holes 6 are not limited, and the clothes can be manufactured according to actual needs.

As shown in fig. 3 and 4, a transmission spline 4 is provided at the center of the pulsator frame 1 on the side opposite to the stainless steel pulsator 2, the transmission spline 4 is integrally formed with the pulsator frame 1 through an injection molding process, and the pulsator is mounted on a driving device inside the washing machine through the transmission spline 4 when being mounted, so as to provide power for the rotation of the pulsator.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. Prevent winding type impeller for washing machine, its characterized in that: the stainless steel impeller is covered on the upper surface of the impeller framework, a plurality of high water-stirring ribs extending along the radial direction are uniformly distributed on the disk surface of the stainless steel impeller, a low water-stirring rib is further arranged between every two adjacent high water-stirring ribs, the high water-stirring ribs are in a curved surface shape with a high inner part and a low outer part, and an impeller blade for preventing water flow from forming a middle vortex is arranged in the middle of the lower surface of the impeller framework.

2. The anti-wind type impeller for washing machine according to claim 1, characterized in that: the high water-shifting rib is provided with a water-facing surface and a water-backing surface which are oppositely arranged along the rotation direction of the high water-shifting rib, the water-facing surface and the water-backing surface both adopt arc structures, the water-facing surface and the water-backing surface of the high water-shifting rib are in arc transition with the disk surface of the stainless steel impeller, and the water-facing surface and the water-backing surface of the high water-shifting rib are in arc transition with the top surface of the high water-shifting rib.

3. The anti-wind type impeller for washing machine according to claim 2, characterized in that: and two adjacent high water-repellent ribs are in arc transition.

4. The anti-wind type impeller for washing machine according to claim 3, characterized in that: the lower end part of the high water stirring rib extends to the edge of the disk surface along the radial direction of the stainless steel impeller.

5. The anti-wind type pulsator for washing machine as claimed in any one of claims 1 to 4, wherein: the low water-repellent ribs are of arc structures with low inner portions and high outer portions, the height of the low water-repellent ribs is lower than that of the high water-repellent ribs, and the high water-repellent ribs and the low water-repellent ribs in the corresponding number are distributed in a staggered mode in a height fluctuating mode.

6. The anti-wind type impeller for washing machine according to claim 1, characterized in that: the wave wheel framework is formed by injection molding of modified polypropylene, and the stainless steel wave wheel is made of an SUS304 stainless steel plate and is covered and installed on the surface of the wave wheel framework through a riveting process.

7. The anti-wind type pulsator for washing machine as claimed in any one of claims 1 to 4 and 6, wherein: the center of the impeller framework is provided with an impeller cover made of SUS304 stainless steel.

8. The anti-wind type impeller for washing machine according to claim 7, characterized in that: and a plurality of through holes with coincident central axes are distributed at the edge of the wave wheel framework and the stainless steel wave wheel in an annular manner.

9. The anti-wind type impeller for washing machine according to claim 8, characterized in that: the center of the wave wheel framework and one side opposite to the stainless steel wave wheel are provided with a transmission spline, and the transmission spline and the wave wheel framework are integrally formed through an injection molding process.