CN214005168U - Washing machine - Google Patents

Abstract

The utility model provides a washing machine, it includes: the inner barrel is sleeved with an inner barrel, the impeller positioned above the bottom of the inner barrel is arranged in the inner barrel, a space between the inner barrel and the outer barrel forms a clearance cavity, and a filtering piece is arranged in the inner barrel and can filter thread scraps of water flow passing through the filtering piece; the filtering piece and the wave wheel jointly divide the inner space of the inner barrel into a water passing cavity and a washing cavity, the washing cavity is communicated with the clearance cavity through a water drainage hole in the barrel wall of the inner barrel, and the water passing cavity is communicated with the clearance cavity through a hollow part in the bottom of the inner barrel. Through the setting, will filter the piece and set up in interior bucket, reduced the maintenance cost of filtering the piece, make to filter the piece dismouting more convenient.

Description

Washing machine

Technical Field

The utility model belongs to the technical field of clothing treatment facility, concretely relates to impeller type washing machine especially relates to an impeller type washing machine with line bits filtering capability.

Background

The applicant previously proposed a washing machine in which a filter device is provided at the bottom of an inner tub to collect lint in washing water, and a lint filter assembly is installed at the lower portion of the bottom of the inner tub outside the inner tub. When the washing machine executes a washing program, the impeller is driven to rotate, washing water in the inner barrel is stirred by the impeller and moves towards the periphery of the inner barrel, at least part of the washing water flows through drain holes formed in the wall of the inner barrel and flows between the inner barrel and the outer barrel, the washing water between the inner barrel and the outer barrel flows back into the inner barrel through a hollow part in the bottom of the inner barrel, the filtering component is laid at the hollow part, the filtering component filters thread scraps of the return water, and the thread scraps are intercepted between the inner barrel and the outer barrel so as to realize the purpose of filtering and collecting the thread scraps in the washing water.

However, in the above-mentioned washing machine, the lint filter assembly is mounted at the lower part of the bottom of the inner tub, and when the lint filter assembly is maintained, cleaned, and repaired, the inner tub needs to be detached to perform corresponding treatment, which is time-consuming, labor-consuming, and inconvenient to operate.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a washing machine to realize carrying out the purpose of filtering the collection to the internal bucket center line bits.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:

the utility model provides a washing machine, it includes: the inner barrel is sleeved in the outer barrel, a wave wheel positioned above the bottom of the inner barrel is arranged in the inner barrel, and a space between the inner barrel and the outer barrel forms a clearance cavity; the inner barrel is internally provided with a filtering piece which can filter thread scraps on water flow passing through the filtering piece; the filtering piece and the wave wheel jointly divide the inner space of the inner barrel into a water passing cavity and a washing cavity, the washing cavity is communicated with the clearance cavity through a water drainage hole in the barrel wall of the inner barrel, and the water passing cavity is communicated with the clearance cavity through a hollow part in the bottom of the inner barrel.

Further, at least part of the washing cavity is positioned above the impeller, and at least part of the water passing cavity is positioned below the impeller; a gap is arranged between the impeller and the inner wall of the inner barrel, and the gap is communicated with a washing cavity above the impeller and a water passing cavity below the impeller.

Furthermore, a plurality of water drainage holes are distributed on the side wall of the inner barrel above the impeller, and the washing cavity is communicated with the clearance cavity through the water drainage holes; the center of the bottom of the inner barrel is provided with a hollow part which communicates the water passing cavity with the clearance cavity.

Furthermore, the filtering piece is a cylindrical structure which is arranged below the impeller and is coaxial with the inner barrel, the outer peripheral side of the cylindrical filtering piece, the upper side of the impeller and the inner wall of the inner barrel form a washing cavity, and the inner peripheral side of the cylindrical filtering piece, the lower side of the impeller and the upper side of the inner barrel form a water passing cavity; preferably, the upper side of the cylindrical filter piece is in contact with or close to the lower side of the impeller; the lower side of the cylindrical filter element is overlapped on the upper side of the bottom of the inner barrel; preferably, the cylindrical filter member is tapered so as to narrow gradually from bottom to top.

Furthermore, the filtering piece is of an annular structure arranged on the periphery of the impeller, and the inner circumference side of the annular filtering piece is in contact with or close to the outer circumference of the impeller; the outer periphery of the annular filter member is lapped on the inner wall of the inner barrel; the upper side of the annular filter element, the upper side of the impeller and the inner wall of the inner barrel form a washing cavity; the lower side of the annular filter element, the lower side of the impeller and the upper side of the inner barrel form a water passing cavity.

Further, the inner circumferential side and the outer circumferential side of the annular filter element are respectively positioned in different horizontal planes; preferably, the annular filter piece is a cone with the inner peripheral side being in the same horizontal plane with the impeller and the outer peripheral side being connected with the bottom of the inner barrel below the impeller.

Furthermore, a plurality of water stirring ribs which are protruded downwards and are positioned in the water passing cavity are arranged on the lower surface of the impeller; preferably, the lower surface of the impeller is provided with a plurality of radial water stirring ribs which protrude downwards and extend along different radial directions of the impeller; further preferably, the lower surface of the impeller is provided with a plurality of circles of annular water stirring ribs which protrude downwards and extend along different concentric circles of the impeller, and the downward protruding height of each annular water stirring rib is lower than the downward protruding height of each radial water stirring rib.

Further, the filter piece comprises a support frame, a through hollow part is arranged on the support frame, and a filter screen covering the hollow part is laid on the surface of the support frame; or the filtering piece is of a plate-shaped structure, and a plurality of filtering holes which are arranged in a penetrating way and are communicated with the two sides are distributed on the plate-shaped structure.

Furthermore, filter member detachable installs on interior bucket.

The utility model provides a rotary drum washing machine, can form in outer bucket when the impeller is rotatory from impeller lower part crosses the water cavity, impeller upper portion washing chamber, carry out circulation flow that circulates in the clearance chamber between the interior bucket, make filter piece can filter the circulation flow that flows in to washing chamber from crossing the water cavity in to interior bucket, so that when making the washing flow in the outer bucket through filter piece, can hold back the thread crumbs on filter piece, or intercept in crossing the water cavity, and then realize filtering the effect of collecting to the thread crumbs that contains in the washing water in the outer bucket of washing machine.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:

through will filtering in setting up interior bucket, only need carry out corresponding operation in interior bucket when clearing up, maintaining, maintenance, installation to filtering piece and can realize, the loaded down with trivial details step of bucket dismantlement in having avoided, reduced the maintenance cost of filtering piece, make filter piece dismouting more convenient.

And simultaneously, the utility model discloses simple structure, the effect is showing, suitable using widely.

The following describes 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, 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 without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic top view of a washing machine according to a first embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a washing machine according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of B-B in fig. 3 according to an embodiment of the present invention;

fig. 5 is a schematic top view of a washing machine according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of C-C in fig. 5 according to an embodiment of the present invention;

fig. 7 is a schematic structural view of the impeller in the embodiment of the present invention.

Description of the main elements in the figures:

1. an inner barrel; 2. an impeller; 3. a clearance cavity; 4. a washing chamber; 5. an inner barrel bottom; 6. a water passing cavity; 7. a filter member; 8. the side wall of the inner barrel; 9. water-repellent ribs; 10. a water drain hole; 11. a hollow-out section; 12. an outer tub; 71. a filter screen; 91. radial water-repellent ribs; 92. annular water repellent muscle.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, 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; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 7, in an embodiment of the present invention, a washing machine is described, which includes an outer tub 12, an inner tub 1 installed in the outer tub 12 and capable of rotating relatively, and a pulsator 2 installed in the inner tub 1 and capable of rotating relatively or together to agitate water in the inner tub 1 and generate a rotating current to treat laundry in the inner tub 1. The embodiment of the utility model provides an in, the impeller 2 that sets up in interior bucket 1 still can be other, current arbitrary, can carry out the stirring part of stirring to interior bucket 1 normal water, for example: a stir column, and the like. Meanwhile, for convenience of description, the embodiment of the present invention takes the stirring component installed in the inner tub 1 as the pulsator 2 as an example for description.

In the embodiment of the utility model, interior bucket 1 is including being the tube-shape, the vertical interior bucket lateral wall 8 that sets up the axis, and the lower extreme correspondence of interior bucket lateral wall 8 is connected with interior barrel head 5. The inner barrel bottom 5 and the inner barrel side wall 8 jointly form an inner barrel 1 which is open at the upper end and is barrel-shaped. The inner barrel 1 is coaxially arranged in the outer barrel 12, the bottom of the outer barrel 12 is provided with a motor, the motor is connected with an inner barrel shaft directly or through a transmission mechanism, and the inner barrel shaft passes through the outer barrel 12 and is coaxially connected with the inner barrel bottom 5.

In order to realize the water permeability of the inner tub 1 of the washing machine, a hollow part 11 is generally provided at the center of the inner tub bottom 5 to be vertically penetrated, so that the washing water in the inner tub 1 can exchange and flow with the inner and outer tubs through the hollow part 11, thereby realizing the use functions of normal drainage, dehydration and the like of the washing machine.

Meanwhile, in order to fixedly connect the inner barrel shaft with the inner barrel bottom 5, a flange made of metal material is generally arranged on the inner barrel bottom 5, the flange is arranged at the center of the inner barrel bottom 5, the upper side of the flange is fixedly connected with the inner barrel bottom 5, and the lower side of the flange is connected with the upper end of the inner barrel shaft. The flange plate is generally correspondingly arranged at the center of the inner barrel bottom 5, and the flange plate is provided with a hollowed-out opening and/or a gap arranged at the joint of the inner barrel bottom 5 and the flange plate and/or a through hole directly arranged at the center of the inner barrel bottom 5, so that the hollowed-out opening, and/or the gap and/or the through hole form a hollowed-out part 11 arranged on the inner barrel bottom 5, and the hollowed-out part 11 communicates the inside of the inner barrel 1 with the gap cavity 3 between the inner barrel and the outer barrel, so as to realize the flow of water between the inner barrel and the outer barrel.

In the washing process of the washing machine, the washing water in the inner barrel 1 can form rotating water flow under the stirring action of the rotating impeller 2, the rotating water flow in the inner barrel 1 flows to the side wall of the periphery of the inner barrel 1 and flows to the clearance cavity 3 between the inner barrel and the outer barrel through the water drainage holes 10 formed in the side wall 8 of the inner barrel; then, the washing water flowing into the gap cavity 3 between the inner barrel and the outer barrel flows downwards to the lower space of the inner barrel bottom 5, and then flows back to the inner barrel 1 through the hollow part 11 arranged on the inner barrel bottom 5 to form water flow circulation, thereby achieving the effect of washing the clothes in the inner barrel 1.

As shown in fig. 1 to 6, in the embodiment of the present invention, a filtering element 7 is installed inside an inner barrel 1, and the filtering element 7 and a wave wheel 2 jointly divide the inner space of the inner barrel 1 into a washing cavity 4 and a water passing cavity 6; the washing cavity 4 is communicated with a clearance cavity 3 formed by a clearance between the inner barrel and the outer barrel through a water drainage hole 10 formed in the side wall 8 of the inner barrel, and the water passing cavity 6 is communicated with the clearance cavity 3 formed by a clearance between the inner barrel and the outer barrel through a hollow part 11 arranged on the bottom 5 of the inner barrel. Meanwhile, a gap is arranged between the periphery of the impeller 2 and the inner wall of the inner barrel 1, and the washing cavity 4 is communicated with the water passing cavity 6 through the gap.

Thus, when the pulsator 2 rotates during the washing process of the washing machine, the circulation water flow formed in the outer tub 12 is as follows: the washing water in the washing cavity 4 in the inner barrel 1 can form rotary water flow under the stirring action of the rotary impeller 2, the rotary water flow in the washing cavity 4 in the inner barrel 1 flows to the side wall 8 of the inner barrel on the periphery of the inner barrel 1 and flows to the clearance cavity 3 between the inner barrel and the outer barrel through the drainage holes formed on the side wall 8 of the inner barrel; then, the washing water flowing to the gap cavity 3 between the inner barrel and the outer barrel flows downwards to the lower space of the inner barrel bottom 5 and then flows back to the water passing cavity 6 in the inner barrel 1 through the hollow part 11 arranged on the inner barrel bottom 5; finally, the water in the water passing cavity 6 flows along the radial direction of the inner barrel bottom 5 to the outer circumference direction, and flows back to the washing cavity 4 from the gap between the outer circumference of the impeller 2 and the inner wall of the inner barrel 1, so as to complete the circulation flow of the washing water in the outer barrel 12.

The embodiment of the utility model provides an in, the filtration piece 7 that sets up in interior bucket 1 filters when circulation rivers flow through to the line bits that flow through in aqueous and holds back, holds back the line bits and hangs on filtering piece 7 and/or hold back in the water cavity 6 of crossing of interior bucket 1 to the realization filters the effect of collecting to the line bits in the washing machine washing water.

Through will filtering in setting up interior bucket, only need carry out corresponding operation in interior bucket when clearing up, maintaining, maintenance, installation to filtering piece and can realize, the loaded down with trivial details step of bucket dismantlement in having avoided, reduced the maintenance cost of filtering piece, make filter piece dismouting more convenient.

Example one

As shown in fig. 1 to 2, the present embodiment describes a washing machine including an outer tub 12, an inner tub 1 mounted in the outer tub 12 and rotatable relative to each other, and a pulsator 2 mounted in the inner tub 1 and rotatable relative to each other or together with the inner tub 1, for agitating water in the inner tub 1 and generating a rotating current to treat laundry in the inner tub 1.

As shown in fig. 1 to 2, in the present embodiment, the filter element 7 is a cylindrical structure disposed below the pulsator 2 and disposed coaxially with the inner tub 1, the inner circumferential side of the cylindrical filter element 7, the upper side of the pulsator 2, and the inner wall of the inner tub 1 define a washing chamber 4, and the inner circumferential side of the cylindrical filter element 7, the lower side of the pulsator 2, and the upper side of the bottom 5 of the inner tub define a water passing chamber 6; a hollow part 11 is arranged at the center of the inner barrel bottom 5 corresponding to the lower part of the central part of the water passing cavity 6, and the water passing cavity 6 is communicated with the clearance cavity 3 between the inner barrel and the outer barrel; the washing cavity 4 is communicated with the clearance cavity 3 between the inner barrel and the outer barrel through a water drainage hole 10 arranged on the side wall 8 of the inner barrel; a gap is arranged between the periphery of the impeller 2 and the inner wall of the inner barrel 1, and/or the periphery of the impeller 2 is provided with an opening which is vertically communicated, so that the gap and/or the opening form the outer periphery of a water passing cavity 6 which is communicated with the washing cavity 4 above the impeller 2.

Preferably, in the present embodiment, the cylindrical filter member 7 is disposed coaxially with the inner tub 1, and the radial dimension of the cylindrical filter member 7 is equal to or less than the radial dimension of the pulsator 2, so that the cylindrical filter member 7 performs thread dust filtration on the return water that can return from the water passing chamber 6 to the washing chamber 4 above the pulsator 2.

In this embodiment, the upper side of the cylindrical filter member 7 is in contact with or close to the lower side of the pulsator 2, so that the filter member 7 can filter the water flow flowing back from the gap between the outer periphery of the pulsator 2 and the inner wall of the inner tub 1 on the premise of not interfering the rotation of the pulsator 2 as much as possible; preferably, the upper side of the cylindrical filter member 7 is close to the lower side of the impeller 2, and the gap space between the filter member 7 and the impeller 2 is smaller, so that the requirement of filtering the thread scraps flowing through water can be met.

Further preferably, in the present embodiment, a circle of grooves recessed upward may be provided on the lower side of the pulsator 2, and the upper end of the filter member 7 is correspondingly inserted into the grooves, so that the gap between the lower side of the pulsator 2 and the upper side of the filter member 7 forms a passage with a bent and folded cross section to further prevent thread scraps from passing through (not shown in the drawings).

In this embodiment, the cylindrical filtering member 7 is mounted on the inner barrel 1, and the lower side of the cylindrical filtering member 7 is in contact with the upper side of the inner barrel bottom 5 and fixedly connected with the joint of the two, so that the lower end of the filtering member 7 is sealed and fixedly mounted on the inner barrel 1.

Preferably, in this embodiment, in order to further increase the area of the filtering member 7 and further improve the thread scrap filtering efficiency of the filtering member 7, the following arrangement may be performed: the cylindrical filtering piece 7 is a cone which is gradually narrowed from bottom to top, so that the cross section of the filtering piece 7 is an oblique line which is inclined from bottom to top, the cross section area of the filtering piece 7 is increased, the thread scrap filtering efficiency is improved, and the blocking probability (not shown in the attached drawings) can be reduced.

In this embodiment, the filter element 7 may be any filter assembly of any conventional structure, such as: as shown in fig. 2, 4 and 6, the filtering member 7 includes a supporting frame, a through hollow portion is provided on the supporting frame, and a filtering net 71 covering the hollow portion is laid on the surface of at least one side of the supporting frame, so that the thread scraps passing through the water flow are intercepted and hung by the filtering net 71, and the filtering effect of the thread scraps machine core in the circulating water is realized.

Through filtering the piece and setting up to above-mentioned filter screen structure for the filtration hole of filter screen can carry out arbitrary setting, and then can realize the constriction filtration hole, promote the line bits and hold back the technological progress of efficiency. In addition, through will filtering the piece and set up the filter screen structure of laying on the support, because the support can adopt arbitrary materials such as plastics, metal to constitute for there is the surface smoothness of the filtration piece that support and filter screen constitute to obtain showing and promoting, avoided the filter assembly edge to have too much burr, long-time use leads to the emergence of line bits to remain the scheduling problem.

Meanwhile, in this embodiment, the filter member 7 may be further configured as follows: the filtering member 7 is a plate structure, a plurality of filtering holes penetrating through the plate are formed in the plate, water can penetrate through the plate from the filtering holes, and thread scraps in the water are filtered and retained through the filtering holes (not shown in the attached drawings).

In this embodiment, in order to realize filtering 7 to intercept, hang the line bits of establishing and collect the clearance, can carry out following setting: filter 7 detachable and install on interior bucket 1 to after washing machine work, can dismantle filtering 7, realize the effect of clearing up the line bits of establishing of hanging in the water cavity 6, the filtering 7 of crossing of collecting. Meanwhile, in order to facilitate the disassembly of the filtering piece 7, the impeller 2 can be detachably installed on the inner barrel 1 through any one of the existing quick-disassembly structures, so that the impeller 2 and the filtering piece 7 can be conveniently disassembled by a user, and the thread scraps can be cleaned.

Example two

The present embodiment is based on the washing machine described in the first embodiment, and has the following distinguishing technical features:

as shown in fig. 3 to 4, in the present embodiment, the filtering element 7 is disposed at a gap between the outer circumference of the pulsator 2 and the inner wall of the inner tub 1; the filtering piece 7 is an annular structure arranged at the periphery of the impeller 2, so that the inner peripheral side of the annular filtering piece 7 is in contact with or close to the periphery of the impeller 2; the outer circumference of the ring-shaped filter member 7 is lapped on the inner wall of the inner barrel 1. Thereby, the upper side of the annular filter element 7, the upper side of the impeller 2 and the inner wall of the inner barrel 1 are enclosed to form a washing cavity 4; a water passing cavity 6 is defined by the lower side of the annular filter element 7, the lower side of the wave wheel 2 and the upper side of the inner barrel bottom 5.

In this embodiment, the filter member 7 is of an annular structure, and the inner circumferential side of the annular filter member 7 is in contact with or close to the outer circumference of the pulsator 2, so that the filter member 7 can filter the water flow flowing back from the gap between the outer circumference of the pulsator 2 and the inner wall of the inner tub 1 comprehensively on the premise that the rotation of the pulsator 2 is not interfered as much as possible; preferably, the inner circumference side of the annular filter member 7 is close to the outer circumference side of the impeller 2, and the gap space between the filter member 7 and the impeller 2 is smaller, so that the requirement of filtering the thread scraps flowing through water can be met.

Further preferably, in the present embodiment, the outer circumferential side of the pulsator 2 is provided with a circle of grooves which are radially recessed toward the center, and the inner circumferential end of the filter member 7 is correspondingly inserted into the grooves, so that the gap between the inner circumferential side of the pulsator 2 and the outer circumferential side of the filter member 7 forms a passage with a bent and folded cross section to further prevent thread scraps from passing through (not noted in the drawings).

In the embodiment, the peripheral side of the annular filter member 7 is in contact with the inner wall of the inner barrel 1 in an attaching way, and the contact part of the two is fixedly connected; preferably, in this embodiment, in order to ensure the installation stability of the filter member 7, the following arrangement may be made: the inner wall of the inner barrel 1 is provided with a circle of radially protruding support ribs, the lower part of the outer peripheral side of the annular filter member 7 is lapped on the annular support ribs, and the lap joint is connected with the annular support ribs through structures such as bolts, clamping jaws, insertion columns and the like.

In this embodiment, the annular filter member 7 is disposed flush with the impeller 2, and the annular filter member 7 is disposed in a horizontal plane perpendicular to the axis of the inner tub 1, so that the filter member 7 is mounted in the inner tub 1 flush with the impeller 2.

EXAMPLE III

The present embodiment is based on the washing machine described in the second embodiment, and has the following distinguishing technical features:

as shown in fig. 5 and 6, in the present embodiment, the filter member 7 is a cone shape whose radial dimension gradually increases from top to bottom, and the lower end of the cone-shaped filter member 7 is an outer circumferential side and is disposed on the upper side of the inner tub bottom 5, so as to achieve the purpose of fixedly mounting the filter member 7 in the inner tub 1. In this embodiment, the upper end of the conical filter member 7 is located on the inner peripheral side, is flush with the outer periphery of the pulsator 2, and is in contact with or close to the outer periphery of the pulsator 2.

In this embodiment, filter 7 highly be less than impeller 2, be in the below in clearance between impeller 2 periphery and the interior bucket 1 inner wall to make filter 7 hide the setting, not only promote its pleasing to the eye degree, can also prevent to filter 7 and hang the clothing.

Example four

The present embodiment is based on the washing machine described in any one of the first to third embodiments, and further has the following technical features:

as shown in fig. 1 to 7, in the embodiment, a plurality of water-stirring ribs 9 protruding downwards are disposed on the lower surface of the pulsator 2, so that when the pulsator 2 rotates, the water-stirring ribs 9 stir the water in the water passing cavity 6 to be thrown outwards, so that the water passing cavity 6 can increase the fluidity thereof when the pulsator 2 rotates, the water change rate of the washing water in the water passing cavity 6 is increased, and the thread scrap collecting efficiency of the inner barrel assembly is significantly improved.

In this embodiment, the lower surface of impeller 2 is equipped with many downward convex, along the radial water muscle 91 that extends of impeller 2 different radial directions to utilize radially stirring of water muscle maximize to cross the rivers in the water cavity, and then promote the rivers mobility in the water cavity.

In this embodiment, the lower surface of the pulsator 2 is provided with a plurality of rings of downward protruding annular water-repellent ribs 92 extending along different diameters of concentric circles of the pulsator 2, and the downward protruding height of the annular water-repellent ribs 92 is lower than the downward protruding height of the radial water-repellent ribs 91. Through setting up radial, the water muscle 9 of dialling of crisscross arrangement of annular at impeller 2 lower surface for can form the rivers of different rivers forms, the water in the stirring of maximize crosses water cavity 6 in crossing water cavity 6, and then promote and cross the rivers filter effect of the piece 7 of filtering of establishing in water cavity 6.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims (10)

1. A washing machine, comprising: the outer barrel, the inner tub of suit in the outer barrel, install the impeller that is in inner tub bottom top in the inner tub, the space between inner tub and the outer barrel constitutes clearance chamber, its characterized in that: the inner barrel is internally provided with a filtering piece which can filter thread scraps on water flow passing through the filtering piece; the filtering piece and the wave wheel jointly divide the inner space of the inner barrel into a water passing cavity and a washing cavity, the washing cavity is communicated with the clearance cavity through a water drainage hole in the barrel wall of the inner barrel, and the water passing cavity is communicated with the clearance cavity through a hollow part in the bottom of the inner barrel.

2. The washing machine as claimed in claim 1, wherein at least a part of the washing chamber is located above the pulsator, and at least a part of the water passing chamber is located below the pulsator; a gap is arranged between the impeller and the inner wall of the inner barrel, and the gap is communicated with a washing cavity above the impeller and a water passing cavity below the impeller.

3. The washing machine as claimed in claim 2, wherein a plurality of drainage holes are arranged on a sidewall of the inner tub above the pulsator, each drainage hole communicating the washing chamber with the gap chamber; the center of the bottom of the inner barrel is provided with a hollow part which communicates the water passing cavity with the clearance cavity.

4. A washing machine as claimed in any one of claims 1 to 3, wherein the filter member is a cylindrical structure disposed below the pulsator and disposed coaxially with the inner tub, the outer peripheral side of the cylindrical filter member, the upper side of the pulsator, and the inner wall of the inner tub define a washing chamber, and the inner peripheral side of the cylindrical filter member, the lower side of the pulsator, and the upper side of the inner tub define a water passing chamber; the upper side of the cylindrical filter piece is in contact with or close to the lower side of the impeller; the lower side of the cylindrical filter piece is arranged on the upper side of the bottom of the inner barrel.

5. A washing machine according to any one of claims 1 to 3, wherein the filter member is an annular structure provided on the outer periphery of the pulsator, and the inner peripheral side of the annular filter member is in close contact with or arranged adjacent to the outer periphery of the pulsator; the outer periphery of the annular filter member is lapped on the inner wall of the inner barrel; the upper side of the annular filter element, the upper side of the impeller and the inner wall of the inner barrel form a washing cavity; the lower side of the annular filter element, the lower side of the impeller and the upper side of the inner barrel form a water passing cavity.

6. A washing machine according to claim 5, wherein the filter member is tapered so that its inner peripheral side is narrowed and its outer peripheral side is enlarged, the tapered filter member has an inner peripheral side on the same horizontal plane as the pulsator and an outer peripheral side contacting the bottom of the inner tub below the pulsator.

7. A washing machine as claimed in any one of claims 1 to 3 wherein the impeller has a plurality of downwardly projecting water-repelling ribs on its lower surface in the water-passing chamber.

8. The washing machine as claimed in claim 7, wherein the pulsator is provided at a lower surface thereof with a plurality of radial water-repellent ribs protruding downward and extending in different radial directions of the pulsator;

the lower surface of the impeller is also provided with a plurality of circles of annular water stirring ribs which are protruded downwards and extend along different concentric circles of the impeller, and the downward protrusion heights of the annular water stirring ribs are lower than the downward protrusion heights of the radial water stirring ribs.

9. A washing machine as claimed in any one of claims 1 to 3 wherein the filter member comprises a support frame having a hollow portion therethrough, the support frame having a surface on which a filter mesh is laid to cover the hollow portion;

or the filtering piece is of a plate-shaped structure, and a plurality of filtering holes which are arranged in a penetrating way and are communicated with the two sides are distributed on the plate-shaped structure.

10. A washing machine as claimed in any one of claims 1 to 3 wherein the filter element is removably mounted to the inner tub.

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