CN110306319B

CN110306319B - Impeller assembly

Info

Publication number: CN110306319B
Application number: CN201810258000.XA
Authority: CN
Inventors: 赵志强; 许升; 吕佩师
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2018-03-27
Filing date: 2018-03-27
Publication date: 2022-08-19
Anticipated expiration: 2038-03-27
Also published as: CN110306319A

Abstract

The invention relates to the technical field of clothes treatment, in particular to a pulsator assembly. The invention aims to solve the problem that the existing washing machine impeller can not improve the dissolving effect of a detergent in water. For the purpose, the impeller assembly comprises a first wheel disc, a rotating wheel arranged above the first wheel disc and a buoyancy unit arranged below the first wheel disc, wherein a through hole is formed in the center of the first wheel disc, the first wheel disc is sleeved on a transmission shaft of a driving device in a vertically sliding mode through the through hole, the rotating wheel is provided with a shaft hole, and the rotating wheel is connected with the transmission shaft through the shaft hole; the first wheel disc is provided with a first meshing structure, the transmission shaft and/or the rotating wheel are/is correspondingly provided with a second meshing structure, and when the buoyancy unit moves upwards under the action of buoyancy and pushes the first wheel disc to move upwards, the first meshing structure is meshed with the second meshing structure. Through the arrangement mode, the detergent can obviously improve the dissolving effect of the detergent and water, so that the cleanliness is improved.

Description

Wave wheel assembly

Technical Field

The invention relates to the technical field of clothes treatment, in particular to an impeller assembly.

Background

The washing machine is a clean electrical appliance for washing clothes by using electric energy, and becomes an essential household electrical appliance in daily life with the acceleration of life rhythm and high requirements of people on living comfort. Taking a pulsator washing machine as an example, the pulsator washing machine washes clothes by means of friction between the motor and the clothes in the forward and reverse rotation process of a pulsator driven by the motor, however, the washing mode has the problems of single water flow, low cleaning degree and the like in the actual washing process, and the use experience of users is greatly influenced.

In order to solve the above problems of the pulsator washing machine, the prior art generally realizes the purpose of changing the water flow direction or increasing the washing force by improving the structure of the pulsator or adding a small pulsator capable of rotating independently on the pulsator. The utility model discloses a utility model patent application as publication number CN2623735Y discloses a "can produce washing machine impeller of additional rivers", this washing machine impeller include the ripples dish, stir protruding muscle on the water, stir protruding muscle under the water, the ripples dish center has the spline shaft hole, stir protruding muscle on the water and stir protruding muscle under the water and distribute in the upper and lower two surfaces of ripples dish along radial direction respectively, mould plastics as an organic wholely with the ripples dish, the surface mounting of ripples dish has sub-impeller. The impeller of the washing machine realizes the purposes of improving the water flow effect and improving the clothes cleaning degree in a mode of installing the sub-impeller on the surface of the impeller plate to generate additional water flow. Although the above-described technical means solves the problems of a single water flow and low cleaning efficiency to some extent, the following problems are unavoidable. The main performance is that the fundamental purpose of the impeller structure improvement or the small impeller addition is to improve the washing effect in the washing process, and the factors capable of improving the washing effect before the washing process are not considered. For example, none of these solutions is considered from the aspect of solubility of the detergent in water, and it is obvious that the degree of cleanliness of the laundry depends on the effect of dissolution of the detergent with water to a greater extent than the case of using a solution in which the flow of the washing water is improved to increase the friction between the washing water and the laundry, and therefore if the effect of dissolution of the detergent in water is poor, the degree of cleanliness of the laundry cannot be increased to a great extent even if the above-mentioned improvement is made to the pulsator.

Accordingly, there is a need in the art for a new pulsator assembly to solve the above problems.

Disclosure of Invention

In order to solve the above problems in the prior art, that is, to solve the problem that the existing impeller for the washing machine cannot improve the dissolving effect of the detergent in water, the present invention provides an impeller assembly, which includes a first wheel disc, a rotating wheel arranged above the first wheel disc, and a buoyancy unit arranged below the first wheel disc, wherein a through hole is arranged in the center of the first wheel disc, the first wheel disc is sleeved on a transmission shaft of a driving device through the through hole in a vertically slidable manner, the rotating wheel is provided with a shaft hole, and the rotating wheel is connected with the transmission shaft through the shaft hole; the first wheel disc is provided with a first meshing structure, the transmission shaft and/or the rotating wheel are/is correspondingly provided with a second meshing structure, and when the buoyancy unit moves upwards under the action of buoyancy and pushes the first wheel disc to move upwards, the first meshing structure is meshed with the second meshing structure, so that the first wheel disc can be driven by the transmission shaft to rotate.

In a preferred technical solution of the above-mentioned wave wheel assembly, the upper surface of the buoyancy unit is further provided with a third engagement structure, the lower surface of the first wheel disc is correspondingly provided with a fourth engagement structure, and when the buoyancy unit moves upward under the action of buoyancy, the third engagement structure engages with the fourth engagement structure.

In a preferred technical solution of the above-mentioned wave wheel assembly, the buoyancy unit is an annular structure, and the annular structure is coaxially arranged with the transmission shaft; and/or the buoyancy unit is a buoyancy chamber with a hollow structure.

In a preferred embodiment of the above-mentioned wave wheel assembly, the first engaging structure is an internal spline or a first groove; the second meshing structure is correspondingly an external spline or a first bulge; and/or the third engagement structure is a second protrusion or a second groove; the fourth engaging structure is correspondingly a second groove or a second protrusion.

In a preferred aspect of the above-described wave wheel assembly, the first engaging structure includes a first engaging body and a first reinforcing inlay, the second engaging member includes a second engaging body and a second reinforcing inlay, the first engaging body is engageable with the second engaging body, and the first reinforcing inlay is engageable with the second reinforcing inlay; and/or the third engagement structure comprises a third engagement body and a third reinforcement inlay, the fourth engagement member comprises a fourth engagement body and a fourth reinforcement inlay, the third engagement body is engageable with the fourth engagement body, and the third reinforcement inlay is engageable with the fourth reinforcement inlay.

In a preferred technical solution of the above-mentioned wave wheel assembly, the rotating wheel is provided with a plurality of first water outlet holes, the center of the lower surface of the rotating wheel extends downward to form the shaft hole, the outer wall of the shaft hole is provided with a water lifting structure, and the water lifting structure is configured such that when the rotating wheel rotates, the washing water below the rotating wheel rises along the axial direction of the shaft hole and is ejected from the first water outlet holes.

In a preferred embodiment of the above-mentioned wave wheel assembly, the rotating wheel has a protrusion formed thereon, the protrusion has a cavity, the first water outlet holes are formed in the protrusion, and the shaft hole is formed by extending downward from the center of the lower surface of the protrusion.

In a preferred technical solution of the above-mentioned wave wheel assembly, the water lifting structure is a plurality of propeller blades arranged on an outer wall of the shaft hole along a radial direction of the shaft hole; or the water lifting structure is a spiral rib wound on the outer wall of the shaft hole along the axial direction of the shaft hole.

In a preferred embodiment of the above-described wave wheel assembly, an area of a cross section of the protruding portion gradually decreases in a direction from bottom to top; and/or the outer edge of the propeller blade/flight is connected to the lower surface of the boss.

In a preferred technical solution of the above-mentioned wave wheel assembly, the rotating wheel includes a second wheel disc, an upper surface of the second wheel disc is provided with a plurality of second water-stirring vanes, and a lower surface of the second wheel disc is provided with the shaft hole.

As can be understood by those skilled in the art, in a preferred technical solution of the present invention, the pulsator assembly includes a first wheel disc, a rotating wheel disposed above the first wheel disc, and a buoyancy unit disposed below the first wheel disc, a through hole is disposed in the center of the first wheel disc, the first wheel disc is slidably sleeved on a transmission shaft of the driving device up and down through the through hole, the rotating wheel is provided with a shaft hole, and the rotating wheel is connected with the transmission shaft through the shaft hole; be provided with first engagement structure on the first rim plate, be provided with second engagement structure on transmission shaft and/or the runner correspondingly, when buoyancy unit rebound under the effect of buoyancy and when promoting first rim plate rebound, first engagement structure and the meshing of second engagement structure to first rim plate can rotate under the drive of transmission shaft.

Through the arrangement mode, the impeller assembly can obviously improve the dissolving effect of the detergent and water, so that the washing effect and the cleaning degree are improved. Particularly, when the water level is low and the buoyancy is insufficient, the buoyancy unit moves downwards under the action of gravity, the first meshing structure is separated from the second meshing structure, the transmission shaft only drives the rotating wheel to rotate, and the rotating wheel is small in size, so that the rotating wheel can rotate at high speed to drive detergent in the washing barrel and water to rotate at high speed to generate vortex, efficient mixing and dissolving of the detergent and the water are realized, and the utilization rate of the detergent is improved; when the water level is high and the buoyancy is large, the buoyancy unit moves up under the action of the buoyancy and pushes the first wheel disc to move up, the first wheel disc is in butt joint with the transmission shaft through the meshing of the first meshing structure and the second meshing structure, the transmission shaft drives the first wheel disc and the rotating wheel to rotate together, the washing water which is fully dissolved is used for repeatedly washing clothes, and the cleanliness in the washing process is improved. That is, compared with the technical scheme of improving the impeller structure or increasing the small impeller in the prior art, the invention obviously improves the dissolving degree of the detergent in water by arranging the buoyancy unit below the first wheel disc and arranging the rotating wheel above the first wheel disc, thereby greatly improving the washing degree of clothes.

Drawings

The pulsator assembly according to the present invention will be described with reference to the accompanying drawings in conjunction with a pulsator washing machine. In the drawings:

FIG. 1 is a schematic structural view of a pulsator assembly according to the present invention;

FIG. 2 is a top view of the pulsator assembly of the present invention;

FIG. 3 is a schematic view of the operation of the pulsator assembly, illustrating the position of the pulsator assembly at a low water level;

FIG. 4 is a schematic view illustrating the operation of the pulsator assembly, showing the position of the pulsator assembly at a high water level;

fig. 5 is a schematic structural view of the pulsator washing machine according to the present invention.

Attached pictureRecording list

1. A first wheel disc; 11. a through hole; 12. a first engagement structure; 13. a fourth engagement structure; 14. a water inlet; 15. a first water-repelling leaf; 16. rubbing ribs; 17. a second water outlet; 18. water-repellent ribs; 2. a rotating wheel; 21. a shaft hole; 22. a first water outlet; 23. a water lifting structure; 24. a boss portion; 3. a buoyancy unit; 31. a third engagement structure; 4. a housing; 5. a washing tub; 6. a drive device; 61. a drive shaft; 62. a second engagement structure.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the first wheel has four first paddles, this numerical relationship is not constant and can be adjusted as needed by one skilled in the art to suit a particular application. For example, three or five first water-repellent blades may be arranged on the first wheel disc to improve the washing effect in different application scenes.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

First, referring to fig. 1 to 4, the pulsator assembly of the present invention will be explained. Wherein, fig. 1 is a schematic structural view of the pulsator assembly of the present invention; FIG. 2 is a top view of the pulsator assembly of the present invention; FIG. 3 is a schematic view of the operation of the pulsator assembly, illustrating the position of the pulsator assembly at a low water level; fig. 4 is a schematic view illustrating an operation process of the pulsator assembly, which shows a position of the pulsator assembly at a high water level.

As shown in fig. 1 to 3, in order to solve the problem that the conventional pulsator for washing machines cannot improve the dissolving effect of detergent in water, the pulsator assembly of the present invention mainly includes a first wheel disc 1, a rotating wheel 2 disposed above the first wheel disc 1, and a buoyancy unit 3 disposed below the first wheel disc 1. The upper surface (that is, the surface shown in fig. 1) of the first wheel disc 1 is provided with a plurality of first water stirring vanes 15, a plurality of friction ribs 16 and a plurality of second water outlet holes 17 are arranged between every two first water stirring vanes 15, and the lower surface of the first wheel disc 1 is provided with a plurality of annular reinforcing ribs (not shown in the figure) and a plurality of linear water stirring ribs 18. The center of the first wheel disc 1 is provided with a through hole 11, a plurality of water inlets 14 are arranged around the through hole 11, and the first wheel disc 1 is sleeved on a transmission shaft 61 of a driving device (such as a driving motor) in a manner of sliding up and down through the through hole 11. Be provided with first engagement structure 12 on first rim plate 1, transmission shaft 61 is provided with second engagement structure 62 correspondingly, and when buoyancy unit 3 upwards moved and promoted first rim plate 1 upward movement under the effect of buoyancy, first rim plate 1 realized docking with transmission shaft 61 through first engagement structure 12 and the meshing of second engagement structure 62 to first rim plate 1 can rotate under the drive of transmission shaft 61. Referring to fig. 1 and 3, the diameter of the rotating wheel 2 is far smaller than that of the first wheel disc 1, a protruding portion 24 is formed on the rotating wheel 2 upwards, a cavity is formed on the protruding portion 24, a plurality of first water outlet holes 22 are formed in the protruding portion 24, a shaft hole 21 is formed in the center of the lower surface of the protruding portion 24, and the rotating wheel 2 is connected with a transmission shaft 61 of the driving device through the shaft hole 21. The outer wall in shaft hole 21 still is provided with water lift structure 23, and water lift structure 23 sets up to rise and erupts from first apopore 22 along the axial of shaft hole 21 when runner 2 rotates washing water below runner 2.

The buoyancy unit 3 is arranged below the first wheel disc 1, the rotating wheel 2 is arranged above the first wheel disc 1, and the water lifting structure 23 enables washing water below the rotating wheel 2 to ascend along the axial direction of the shaft hole 21 and be sprayed out of the first water outlet hole 22, so that the impeller assembly can obviously improve the dissolving effect of a washing agent and water in a mode that the rotating wheel 2 is driven by the transmission shaft 61 to rotate at a high speed and spray water when the buoyancy unit 3 does not ascend, namely the first wheel disc 1 is not meshed with the transmission shaft 61, and further improve the washing effect in a washing process when the buoyancy unit 3 ascends, namely the first wheel disc 1 is meshed with the transmission shaft 61. In other words, the invention solves the problem that the existing impeller of the washing machine can not improve the dissolving effect of the detergent in water, and effectively improves the dissolving effect of the detergent and the water, thereby improving the washing effect and being suitable for large-scale popularization.

Further referring to fig. 1, first rim plate 1 is the bowl form, and the central authorities of bowl form are provided with through-hole 11, have seted up recessed oval platform around through-hole 11, are provided with two rings of water inlets 14 around through-hole 11 in the circular platform, and every water inlet 14 of outer lane is circular water inlet, and every water inlet 14 of inner circle is the arc water inlet. The upper surface of first rim plate 1 is provided with four first water wing 15, and every first water wing 15 extends to the upper surface outer fringe of first rim plate 1 along the radial outer fringe of first rim plate 1 by circular platform. Five friction ribs 16 are arranged between every two first water stirring blades 15, each friction rib 16 is arranged along the radial direction of the first wheel disc 1, and a plurality of second water outlet holes 17 are arranged between every two friction ribs 16 and between the adjacent friction ribs 16 and the first water stirring blades 15.

With reference to figures 3 and 4, in one possible embodiment the buoyancy unit 3 is in the form of a ring-like structure, which is arranged coaxially with the first wheel 1. A plurality of second protrusions (namely, third meshing structures 31) are arranged above the buoyancy unit 3, the cross sections of the second protrusions are triangular, a plurality of second grooves (namely, fourth meshing structures 13) are correspondingly arranged on the lower surface of the first wheel disc 1, and the second protrusions can be embedded into the second grooves. First engagement structure 12 is a plurality of first recesses that set up around through-hole 11 on the upper surface of first rim plate 1, and what second engagement structure 62 corresponds is a plurality of first archs that set up on the transmission shaft 61 outer wall, through the mode of the first recess of first protruding embedding, realizes the butt joint of first rim plate 1 and transmission shaft 61 and the power transmission between drive arrangement and the first rim plate 1.

It should be noted that, in the present invention, the specific form of the buoyancy unit 3 is not exclusive, and the application may be slightly different from the arrangement manner on different products, as long as it is sufficient that the first wheel disc 1 can float or sink under the action of buoyancy after being arranged on the first wheel disc 1. For example, the buoyancy unit 3 may be made of inorganic material and/or organic polymer material (such as expanded polyethylene, polystyrene, etc.) with low density, and the density may be 0.001 to 1g/cm3, preferably 0.1 to 0.7g/cm 3. For another example, the buoyancy unit 3 may be a solid compound obtained by filling an organic polymer material with an inorganic lightweight filler and performing a physicochemical reaction. For another example, the buoyancy unit 3 may also be a buoyancy chamber with a hollow structure, such as hollow glass, plastic, aerogel, etc.

Referring to fig. 2 and 3, in one possible embodiment, the raised portion 24 of the wheel 2 is formed convexly from bottom to top (in the orientation shown in fig. 3), and the cross-sectional area of the raised portion 24 gradually decreases from bottom to top. Be provided with a plurality of first apopores 22 on the bellying 24, the lower surface central authorities of bellying 24 have seted up shaft hole 21 (like key hole or screw hole) downwards, and runner 2 passes through shaft hole 21 and is connected with transmission shaft 61. The water lifting structure 23 is a spiral rib wound on the outer wall of the shaft hole 21 along the axial direction of the shaft hole 21, the outer edge of the spiral rib extends to the lower surface of the boss 24 and is connected with the lower surface of the boss 24, and then the chambers of the spiral rib, the shaft hole 21 and the boss 24 jointly form an Archimedes spiral pipe. Preferably, the boss 24, the shaft hole 21 and the spiral rib are integrally formed (e.g., the first wheel disc is integrally formed). Of course, the boss 24, the shaft hole 21 and the spiral rib may be formed separately or partially integrally.

The operation of a pulsator washing machine to which the pulsator assembly of the present invention is applied will be described with reference to fig. 3 and 4.

As shown in fig. 3, when the washing tub is just filled with water and the water level is low, the buoyancy unit 3 and the first wheel disc 1 are kept at the bottom of the washing tub or suspended in the washing water under the action of gravity due to insufficient buoyancy, so that the first wheel disc 1 is not meshed with the transmission shaft 61, at this time, the transmission shaft 61 of the driving device only drives the rotating wheel 2 to rotate, and the rotating wheel 2 rotates at a high speed to drive the detergent in the washing tub to rotate at a high speed to be quickly mixed with the water due to the small size of the rotating wheel 2. Meanwhile, in the rotating process of the rotating wheel 2, the washing water enters the protruding portion 24 of the rotating wheel 2, when the rotating wheel 2 rotates for one circle, the spiral rib inside the cavity also rotates for one circle, the washing water below the rotating wheel 2 is sucked into the Archimedes spiral pipe under the driving of the spiral rib, the washing water in the spiral pipe is upwards pushed into one or more screw pitches by the spiral rib, along with the high-speed rotation of the spiral rib, the washing water in the cavity is rapidly pressurized and upwards flows along the axial direction of the shaft hole 21, finally the washing water passes through the first water outlet hole 22 to form strong high-pressure jet water flow to be upwards jetted, the jet height can easily reach the washing barrel cover, and the washing water is uniformly scattered on clothes after falling.

As shown in fig. 4, along with last water injection in the washtub, the water level risees, buoyancy increases, buoyancy unit 3 upwards moves under the buoyancy effect, promote first rim plate 1 upwards movement after the second is protruding to be meshed with the second recess, first recess and first protruding meshing in the removal process, thereby first rim plate 1 docks with transmission shaft 61, because first rim plate 1 diameter is great, consequently transmission shaft 61 can reduce the rotational speed and drive first rim plate 1 and runner 2 and rotate together this moment, drive buoyancy unit 3 synchronous revolution when first rim plate 1 pivoted. First rim plate 1 and runner 2 are at the rotation in-process, and first water impeller 15 drives the washing water production vortex of 1 top of first rim plate, and friction muscle 16 rubs the washing to the clothing, and water impeller 18 drives a part of washing water of 1 below of first rim plate and outwards throws away through the effect of water impeller 18, and another part washing water is spout to 1 top of first rim plate through a plurality of second apopores 17 to reduce the clothing and the friction degree of first water impeller 15 and friction muscle 16. Meanwhile, the washing water passes through the first wheel disc 1 through the plurality of water inlets 14 to enter the convex part 24 of the rotating wheel 2, the rotating wheel 2 rotates freely under the combined action of the impeller and the rotating water flow, the spiral rib inside the chamber also rotates for a circle every time the rotating wheel rotates for a circle, the washing water below the rotating wheel 2 is sucked into the Archimedes spiral pipe under the driving of the spiral rib, the washing water in the spiral pipe is upwards pushed into one or more screw pitches by the spiral rib, along with the high-speed rotation of the spiral rib, the washing water in the chamber is rapidly pressurized and upwards flows along the axial direction of the shaft hole 21, finally the washing water passes through the first water outlet hole 22 to form strong high-pressure jet water flow to be upwards jetted, and the strong water flow can lift and keep the clothes suspended and spray and brush the clothes.

It should be noted that in the above description, the low water level refers to the water level when the first wheel 1 and the transmission shaft 61 are not engaged, and may be the water level when the first wheel 1 is not floated at all or the water level when the first wheel is floated to just not engaged. Accordingly, a high water level refers to any water level that corresponds to when the first wheel 1 is engaged with the drive shaft 61. It can be understood by those skilled in the art that the values of the low water level and the high water level and the specific values of the rotation speed of the driving device corresponding to the low/high water levels are different according to the shape and the configuration of the washing apparatus and the material of the buoyancy unit 3, and the specific values thereof can be completely obtained based on laboratory experimental data and will not be described herein again.

From the above description, it can be seen that the rotating wheel 2 is arranged above the first wheel disc 1 and the buoyancy unit 3 is arranged below the first wheel disc 1 innovatively, so that the rotating wheel 2 can be driven by the driving device to rotate at high speed when the water level is low, efficient mixing and dissolving of detergent and water are realized, the utilization rate of the detergent is improved, the driving device can simultaneously drive the first wheel disc 1 and the rotating wheel 2 to rotate when the water level is high, and then the first wheel disc 1 and the rotating wheel 2 drive the washing water which is fully dissolved to repeatedly wash clothes, and the cleanliness in the washing process is greatly improved. The chamber that spiral muscle, shaft hole 21 and bellying 24 formed forms the mode of setting up of Archimedes spiral pipe, when runner 2 operates, can form powerful jet stream and hold up the clothing and spout the brush to the clothing, and this kind of ingenious mode of setting has not only strengthened the injection effect of rivers, realizes the even scattering of detergent on the clothing, has further improved the clean degree of clothing, can also avoid the winding between the clothing, reduces the impeller to the degree of wear of clothing, effectively care the clothing. The cross sectional area of the bulge 24 is gradually reduced along the forming direction of the bulge 24 (namely, the upper part is small and the lower part is large), so that the washing water is gradually narrowed by the chamber in the process of upwards propelling the spiral rib, the pressure is gradually increased, the pressure and the spraying effect of the water jet are ensured, and the competitiveness of the product is improved. Buoyancy unit 3 is the annular and with the mode of first rim plate 1 coaxial setting, has guaranteed the balance of the first rim plate 1 of buoyancy unit 3 meshing back, stability when having improved the operation of first rim plate 1. The setting of the protruding and second recess of second has effectively avoided first rim plate 1 to rotate the time with the friction or the wearing and tearing that buoyancy unit 3 produced, has guaranteed that first rim plate 1's rotation effect is not influenced, has improved buoyancy unit 3's life and first rim plate 1's rotational stability.

Of course, the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can make any form of modification to the structure of the present invention so that the present invention can be applied to more specific application scenarios without departing from the principle of the present invention. For example, the first wheel disc 1 may not have a recessed circular land in the center; for another example, the structure of the water lifting structure 23 may be in other forms as long as the structure can generate a structure or a working cavity similar to an archimedean spiral pipe, for example, a propeller blade is arranged on the outer wall of the shaft hole 21, and the propeller blade is respectively connected with the shaft hole 21 and the boss 24 to form a spraying channel; as another example, the first wheel disc 1 may also be shaped like a disc or in another way; for another example, the first engagement structure 12 and the second engagement structure 62 may be an internal spline, an external spline or other combination of splines and keys, and the third engagement structure 31 and the fourth engagement structure 13 may be interchanged. For another example, the number of the first grooves and the first protrusions, and the number of the second grooves and the second protrusions may also be different, as long as the number of the grooves is not less than the number of the protrusions, for example, four or five first protrusions are disposed on the transmission shaft 61, and ten or even twenty first grooves matched with the protrusions are disposed on the buoyancy unit 3, so as to ensure the smoothness of the engagement. For another example, the protrusion, the groove and the limiting groove can be provided with a guide inclined plane or a guide curved surface, so that the smoothness of the meshing process is further improved. For another example, parameters (such as a set length, a thread pitch, and the like) of the spiral rib can be correspondingly adjusted according to a specific application scene, so that a good water flow lifting effect can be obtained; for another example, the quantity and the setting form of the water inlet 14, the first water-repelling leaf 15, the friction rib 16, the first water outlet 22, the second water outlet 17, the water-repelling rib 18 and the reinforcing rib are all unlimited, as long as the quantity and the setting form can be favorable to improving both the washing effect and the spraying effect. For another example, the rotating wheel 2 can be sleeved on the transmission shaft 61 of the driving device in a manner of engaging with the internal and external splines or the protrusions/grooves, even the shaft hole 21 can be set to be the through hole 11 and the rotating wheel 2 can slide up and down relative to the transmission shaft 61, so long as it is ensured that the rotating wheel 2 is engaged with the transmission shaft 61 and does not slide out of the transmission shaft 61 all the time, for example, by providing a corresponding upper and lower limiting structure on the transmission shaft 61. For another example, the rotating wheel 2 may also be a small impeller, that is, the rotating wheel 2 includes a second wheel disc, the second wheel disc may be provided with a plurality of second water-stirring blades, and the lower surface of the second wheel disc is provided with a shaft hole connected to the transmission shaft 61, so as to improve the dissolving effect of the detergent and the water.

For another example, the second engaging structure 62 may be disposed on the rotating wheel 2 in addition to the transmission shaft 61, for example, in the form of a protrusion, a groove, or an internal and external spline, and disposed at the bottom of the rotating wheel 2 or outside the shaft hole 21, at this time, the upper surface of the first wheel disc 1 is correspondingly provided with a groove, a protrusion, or an internal and external spline, so that power transmission between the transmission shaft 61 and the first wheel disc 1 can also be achieved. Of course, the second engagement structure 62 may also be provided in a portion of each of the transmission shaft 61 and the pulley 2 to increase the stability of the transmission shaft 61 engaging with the first sheave 1.

For another example, in order to improve the stability of engagement and the service life of each component, a reinforced embedding structure may be further provided on each engagement structure to increase the contact area after engagement. For example, the first groove further includes a first groove body (i.e., a first engaging body) and a small groove/small protrusion (i.e., a first reinforcing inlay) disposed inside the first groove, and the second protrusion further includes a second protrusion body (i.e., a first engaging body) and a small protrusion/small groove (i.e., a first reinforcing inlay) disposed on the second protrusion, so that when engaging, the first protrusion is inserted into the first groove, and the small protrusion/small groove is further inserted into the corresponding small groove/small protrusion, thereby increasing the contact area. The second boss and the second groove have the same structure, and are not described in detail herein.

It should also be noted that, although not described, the pulsator assembly of the present invention can be obviously used in combination with a pulsator or a pulsator with a small pulsator having a structure improved in the related art, to simultaneously achieve sufficient dissolution of detergent and water and washing effect of a washing process.

In addition, besides the above-mentioned application of the pulsator assembly to two different water level stages of a washing process, the present invention can also be applied to other scenes, such as application of the pulsator assembly to different washing modes: when the clothes are washed less or the clothes are washed more valuable, the clothes can be gently washed by only using the rotating wheel 2 in a low water level operation mode, so that the abrasion of the first wheel disc 1 to the clothes is reduced; when more clothes are available, the impeller assembly can be used for fully dissolving the detergent in the water according to the operation process in a high water level operation mode, and then the clothes are washed, so that the cleanliness of the clothes is improved.

The pulsator washing machine according to the present invention will be briefly described with reference to fig. 5. Wherein, fig. 5 is a schematic structural diagram of the pulsator washing machine of the present invention.

As shown in fig. 5, the present invention further provides a pulsator washing machine, which includes a casing 4, a washing tub 5 and a driving device 6 (such as a driving motor) are disposed in the casing, the pulsator assembly is disposed in the washing tub 5, a first wheel disc 1 of the pulsator assembly is sleeved with a transmission shaft 61 of the driving device 6 through a through hole 11, a wheel 2 is connected with the transmission shaft 61 of the driving device 6 through a shaft hole 21, and a buoyancy unit 3 is disposed below the first wheel disc 1.

Finally, it should be noted that although the above preferred embodiment is described by taking a pulsator washing machine as an example, this is not intended to limit the protection scope of the present invention, and it will be appreciated by those skilled in the art that the present invention can also be applied to other clothes treatment apparatuses with a pulsator assembly, such as a shoe washing machine with a pulsator assembly or a drum pulsator two-in-one washing machine, etc., besides the pulsator washing machine.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. A wave wheel assembly is characterized by comprising a first wheel disc, a rotating wheel arranged above the first wheel disc and a buoyancy unit arranged below the first wheel disc, wherein a through hole is formed in the center of the first wheel disc, the first wheel disc is sleeved on a transmission shaft of a driving device in a vertically sliding mode through the through hole, the rotating wheel is provided with a shaft hole, and the rotating wheel is connected with the transmission shaft through the shaft hole;

the first wheel disc is provided with a first meshing structure, the transmission shaft and/or the rotating wheel are/is correspondingly provided with a second meshing structure, and when the buoyancy unit moves upwards under the action of buoyancy and pushes the first wheel disc to move upwards, the first meshing structure is meshed with the second meshing structure, so that the first wheel disc can be driven by the transmission shaft to rotate;

seted up a plurality of first apopores on the runner, the central authorities downwardly extending of the lower surface of runner have the shaft hole, the outer wall in shaft hole is provided with water lifting structure, water lifting structure sets to work as when the runner rotates the washing water of runner below rises along the axial in shaft hole and follows first apopore erupts.

2. The pulsator assembly as claimed in claim 1, wherein the upper surface of the buoyancy unit is further provided with a third engagement structure, and the lower surface of the first disc is correspondingly provided with a fourth engagement structure, the third engagement structure being engaged with the fourth engagement structure when the buoyancy unit moves upward by buoyancy.

3. The pulsator assembly according to claim 2, wherein the buoyancy unit is an annular structure, the annular structure being disposed coaxially with the driving shaft; and/or the buoyancy unit is a buoyancy chamber with a hollow structure.

4. The pulsator assembly of claim 2, wherein the first meshing structure is an internal spline or a first groove; the second meshing structure is correspondingly an external spline or a first bulge; and/or

The third engaging structure is a second protrusion or a second groove; the fourth engaging structure is correspondingly a second groove or a second protrusion.

5. The pulsator assembly of claim 2, wherein the first meshing structure comprises a first meshing body and a first reinforcing inlay, the second meshing structure comprises a second meshing body and a second reinforcing inlay, the first meshing body is engageable with the second meshing body, and the first reinforcing inlay is engageable with the second reinforcing inlay; and/or

The third engagement structure includes a third engagement body and a third reinforcement inlay, the fourth engagement structure includes a fourth engagement body and a fourth reinforcement inlay, the third engagement body is engageable with the fourth engagement body, and the third reinforcement inlay is engageable with the fourth reinforcement inlay.

6. The pulsator assembly according to any one of claims 1 to 5, wherein the rotating wheel is upwardly formed with a protrusion formed with a chamber, the plurality of first water outlet holes are opened in the protrusion, and the shaft hole is formed by extending downward from a center of a lower surface of the protrusion.

7. The pulsator assembly according to claim 6, wherein the water lifting structure is a plurality of propeller blades provided to an outer wall of the shaft hole in a radial direction of the shaft hole; or the water lifting structure is a spiral rib wound on the outer wall of the shaft hole along the axial direction of the shaft hole.

8. The pulsator assembly according to claim 7, wherein the cross-sectional area of the protrusion is gradually reduced in a direction from bottom to top; and/or the outer edge of the propeller blade/flight is connected to the lower surface of the boss.

9. The pulsator assembly according to any one of claims 1 to 5, wherein the rotation wheel comprises a second disc, an upper surface of the second disc being provided with a plurality of second water-repellent blades, and a lower surface of the second disc being provided with the shaft hole.