CN218263147U - Washing machine's inside and outside bucket subassembly and washing machine - Google Patents

Abstract

The utility model discloses a washing machine's inside and outside bucket subassembly and washing machine, wherein, washing machine's inside and outside bucket subassembly includes: the outer barrel penetrates through an output shaft of the motor and is connected with a shell of the motor; the inner barrel is arranged inside the outer barrel, and the bottom of the inner barrel is movably connected with an output shaft of the motor; the clutch bracket is arranged in the inner barrel, axially moves along the output shaft of the motor and is used for being clamped with the bottom of the inner barrel; the impeller is arranged in the inner barrel and connected with an output shaft of the motor, and the impeller is connected with the side surface of the clutch bracket departing from the inner barrel. The embodiment of the utility model provides an in washing machine's interior bucket subassembly when washing interior bucket have water, only impeller and separation and reunion support rotate, and be anhydrous between the interior bucket during dehydration, the impeller through between the separation and reunion with interior bucket cohesion together, realize rotating the dehydration together, and then need not to be provided with small-size clutch including the barrel head portion, saved washing machine's inner space greatly.

Description

Washing machine's inside and outside bucket subassembly and washing machine

Technical Field

The utility model relates to a washing machine technical field, in particular to washing machine's inside and outside bucket subassembly and washing machine.

Background

Along with the improvement of life quality, washing machine is more and more common in daily life, and when present belt impeller and interior bucket realization washing and dehydration, all be provided with small-size clutch in the bucket bottom in the full-automatic washing machine of current small-size (1 KG and below 1 KG) impeller. The clutch not only has a complex structure, but also occupies a large amount of space in the washing machine, and has high cost;

the prior art provides a full-automatic washing machine with an integrated inner barrel and an impeller, the inner barrel and the impeller rotate together during washing, and although the mechanism and the cost are low, the washing effect is not ideal.

Thus, the prior art has yet to be improved and enhanced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the present invention is to provide a washing machine and inner and outer tub assemblies thereof, which aims to solve the problem of occupying a large amount of internal space of the washing machine caused by the complicated structure of the clutch in the existing washing machine.

In order to achieve the purpose, the utility model adopts the following technical proposal:

in a first aspect, an embodiment of the present invention provides an inner and outer tub assembly of a washing machine, which is connected to a motor, wherein the inner and outer tub assembly of the washing machine includes:

the outer barrel penetrates through an output shaft of the motor and is connected with the shell of the motor;

the inner barrel is arranged inside the outer barrel, and the bottom of the inner barrel is movably connected with an output shaft of the motor;

the clutch bracket is arranged in the inner barrel, axially moves along the output shaft of the motor and is used for being clamped with the bottom of the inner barrel;

the impeller is arranged inside the inner barrel and connected with an output shaft of the motor, and the impeller is connected with the side face of the clutch bracket, which deviates from the inner barrel.

As a further improved technical scheme, in the inner and outer barrel components of the washing machine, a positioning boss is arranged on the inner side surface of the bottom of the inner barrel, and a through positioning hole is arranged on the positioning boss;

the side surface of the clutch support facing the bottom of the inner barrel is provided with a positioning groove used for being matched with the positioning boss, and a positioning piece used for being clamped with the positioning hole is arranged in the positioning groove.

As a further improved technical scheme, in the inner and outer barrel assemblies of the washing machine, a fixing boss is arranged on the side surface of the clutch bracket departing from the inner barrel, and a fixing column is arranged on the fixing boss;

the side of the impeller facing the clutch support is provided with a fixing groove used for matching the fixing boss, and the groove wall of the fixing groove is provided with a fixing hole used for matching with the fixing column.

As a further improved technical scheme, in the inner and outer tub assemblies of the washing machine, the positioning holes are distributed along the circumferential direction of the positioning bosses, and the positioning pieces are located in the positioning grooves and distributed in the circumferential direction.

As a further improved technical scheme, in the inner and outer barrel components of the washing machine, the middle part of the positioning boss is provided with a connecting boss, and the bottom of the positioning groove is provided with a connecting groove used for being connected with the connecting boss.

As a further improved technical scheme, in the inner and outer tub assemblies of the washing machine, the positioning member is plate-shaped or cylindrical.

As a further improved technical scheme, in the inner and outer barrel assemblies of the washing machine, a mounting hole is formed in the middle of the side face of the impeller facing the clutch support, a connecting piece is arranged in the mounting hole, the fixing hole penetrates through the connecting piece, and the connecting piece is connected with the fixing column through the fixing hole.

As a further improved technical scheme, in the inner and outer barrel assemblies of the washing machine, a first positioning groove is arranged on the side surface of the clutch support facing the bottom of the inner barrel, and the first positioning groove is positioned on the outer side of the positioning groove and communicated with the positioning groove.

As a further improved technical scheme, in the inner and outer barrel assemblies of the washing machine, a second positioning groove is further arranged on the side surface of the clutch support facing the bottom of the inner barrel, and the second positioning groove is positioned outside the first positioning groove.

In a second aspect, an embodiment of the present invention provides a washing machine, including a motor, wherein, still include foretell washing machine's inside and outside bucket subassembly, wherein, the shell of motor with outer bucket is connected, the output shaft of motor passes outer bucket the bottom of interior bucket with the separation and reunion support, and with impeller fixed connection.

The utility model discloses the technical scheme who adopts has following beneficial effect:

the utility model arranges the clutch bracket between the impeller and the inner barrel, when the inner barrel and the outer barrel are in washing state, the clutch bracket floats to the bottom of the impeller by the buoyancy of water and contacts with the inner surface of the impeller, thereby realizing the rotation together with the impeller; when the inner and outer barrels are dehydrated, water does not exist between the inner and outer barrels, the clutch bracket falls down due to gravity and is clamped with the bottom of the inner barrel, and the impeller rotates together with the inner barrel through the clutch bracket; and a small clutch is not needed to be arranged at the bottom of the inner barrel, so that the inner space of the washing machine is greatly saved. The embodiment of the utility model provides an in washing machine's interior bucket subassembly when washing interior bucket have water, only impeller and separation and reunion support rotate, do not have water between the interior bucket during dehydration, the impeller through between the separation and reunion hold tightly with interior bucket together, realize rotating the dehydration together.

Drawings

Fig. 1 is an exploded view of a first embodiment of an inner and outer tub assembly of a washing machine according to the present invention;

fig. 2 is an assembly structure view of a first embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic structural view of an inner tub in a first embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

fig. 5 is a front view of an inner tub in a first embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

fig. 7 is a schematic view of an internal structure of a first clutch bracket in a first embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

fig. 8 is a schematic view of an external structure of a first clutch bracket in a first embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

fig. 9 is a front view of a first clutch bracket in a first embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

FIG. 10 is a cross-sectional view taken along line C-C of FIG. 9;

fig. 11 is a schematic structural view of a pulsator in a first embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

fig. 12 is a schematic diagram illustrating an internal structure of a second clutch bracket in a first embodiment of an inner and outer tub assembly of a washing machine according to the present invention;

fig. 13 is a schematic view of an external structure of a second clutch bracket in a first embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

FIG. 14 is a cross-sectional view taken along line D-D of FIG. 13;

fig. 15 is an exploded view of a second embodiment of an inner and outer tub assembly of a washing machine according to the present invention;

fig. 16 is a schematic structural view of an inner tub in a second embodiment structure of an inner and outer tub assembly of a washing machine according to the present invention;

fig. 17 is a schematic structural view of a clutch bracket in a second implementation structure of an inner and outer tub assembly of a washing machine according to the present invention.

In the figure: 10. a motor; 20. an output shaft of the motor; 100. an outer tub; 200. an inner barrel; 300. a clutch bracket; 400. an impeller; 210. positioning the boss; 220. positioning holes; 310. a positioning groove; 320. a positioning member; 330. fixing the boss; 340. fixing the column; 410. fixing grooves; 420. a fixing hole; 401. mounting holes; 402. a connecting member; 211. connecting the bosses; 311. a connecting groove; 301. a first positioning groove; 302. a second positioning groove.

Detailed Description

In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be further noted that the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limitations of the present patent, and specific meanings of the above terms can be understood according to specific situations by those of ordinary skill in the art.

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 to implicitly indicate 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.

When the existing small impeller full-automatic washing machine of the existing washing machine carries the impeller and the inner barrel to realize washing and dehydration at present, the bottom of the inner barrel is provided with a small clutch. The clutch not only has a complex structure, but also occupies a large space inside the washing machine, and has high cost.

Based on this, the present application intends to provide a solution to the above technical problem, the details of which will be explained in the following embodiments.

The utility model discloses an inner and outer barrel assembly of a washing machine, please refer to fig. 1 to 3 together. The embodiment of the utility model provides an in washing machine's inside and outside bucket subassembly be applied to washing machine, it should be understood, the utility model discloses do not injectd washing machine's model. Specifically, the inner and outer tub assemblies of the washing machine are used for connecting a motor 10 in the washing machine, and specifically include: an outer tub 100, an inner tub 200, a clutch bracket 300, and a pulsator 400;

wherein, the outer tub 100 passes through the output shaft 20 of the motor to be connected with the outer casing of the motor 10, and when the output shaft 20 of the motor rotates, the outer tub 100 is fixed; the inner tub 200 is disposed inside the outer tub 100, and the bottom of the inner tub 200 is movably connected to the output shaft 20 of the motor, optionally, the bottom of the inner tub 200 is connected to the output shaft 20 of the motor through a rolling bearing, and when the output shaft 20 of the motor rotates, the inner tub 200 does not rotate; the clutch bracket 300 is disposed inside the inner tub 200, and the clutch bracket 300 moves in the axial direction of the output shaft 20 of the motor and is engaged with the bottom of the inner tub 200; the pulsator 400 is disposed inside the inner tub 200 and connected to the output shaft 20 of the motor, and the pulsator 400 is connected to a side of the clutch bracket 300 facing away from the inner tub 200. Specifically, the impeller 400 is fixedly connected to the output shaft 20 of the motor, so that the impeller 400 always rotates when the output shaft 20 of the motor rotates, and the clutch bracket 300 is always connected to the impeller 400, that is, the clutch bracket 400 also rotates synchronously when the impeller 400 rotates.

The operation principle of the inner and outer tub 100 assembly of the washing machine provided in this embodiment is as follows:

when the washing machine is actually used, the clutch support 300 is arranged between the impeller 400 and the inner barrel 200, and when the washing machine is in a washing state, water exists in both the inner barrel 100 and the outer barrel 100 (the outer barrel 100 is in a sealing state), so that the whole clutch support 300 floats upwards to the bottom end of the impeller 400 along the output shaft 20 of the motor under the action of water buoyancy and is contacted with the inner surface of the impeller 400, and when the motor 10 is started, the output shaft 20 of the motor drives the impeller 400 to rotate, and the clutch support 300 also realizes the rotation together with the impeller 400; when the water in the inner and outer tub 100 is drained, the motor 10 is stopped, the clutch bracket 300 falls down along the output shaft of the motor 10 under the action of gravity to be engaged with the bottom of the inner tub 200 after the water in the inner and outer tub 100 is drained, and the output shaft of the motor 10 drives the pulsator 400 to rotate while the dehydration is performed, and the pulsator 400 rotates together with the inner tub 200 through the clutch bracket 300.

The inner and outer tub 100 assembly of the washing machine provided by the present embodiment has at least the following beneficial effects:

when washing, the inner barrel 200 has water, only the impeller 400 and the clutch bracket 300 rotate, when dehydration is performed, no water exists between the inner barrel 100 and the outer barrel 100, and the impeller 400 is tightly held with the inner barrel 200 through the clutch, so that the rotation dehydration is realized together. Compared with the prior washing machine, the bottom of the inner barrel 200 is not required to be provided with a small clutch, so that the inner space of the washing machine is greatly saved.

In an embodiment of the present invention, please refer to fig. 4 to 6, a positioning boss 210 is disposed on the inner side surface of the bottom of the inner barrel 200, the positioning boss 210 is cylindrical, the positioning boss 210 is located in the middle of the inner side surface of the bottom of the inner barrel 200, and a through positioning hole 220 is disposed on the positioning boss 210; a positioning groove 310 for being matched with the positioning boss 210 is formed on the side surface of the clutch bracket 300 facing the bottom of the inner barrel 200, when the clutch bracket 300 falls down by gravity, the clutch bracket 300 can be rapidly positioned by matching the positioning groove 310 with the positioning boss 210, and a positioning piece 320 for being clamped with the positioning hole 220 is arranged in the positioning groove 310. It is understood that the positioning members 320 and the positioning grooves 310 correspond in number, shape and position.

Specifically, please refer to fig. 4, the plurality of positioning holes 220 are circumferentially distributed along the positioning boss 210, the middle portion of the positioning boss 210 is used for passing through the output shaft 20 of the motor, the positioning members 320 are circumferentially distributed in the positioning grooves 310, and the distribution mode and the positions of the positioning members 320 are consistent with the positioning boss 210, so as to facilitate the matching therebetween.

In a specific embodiment, by disposing the clutch bracket 300 between the pulsator 400 and the inner tub 200, when the washing machine is in a washing state, water is present in both the inner tub 100 and the outer tub 100, and thus the water enters the positioning groove 310 on the clutch bracket 300, and the positioning groove 310 forms a cavity when contacting with the water, so that a part of air is enclosed when water is present, and the whole clutch bracket 300 has a certain buoyancy, so that the clutch bracket 300 floats upwards to the bottom end of the pulsator 400 along the output shaft 20 of the motor and contacts with the inner surface of the pulsator 400 under the action of the buoyancy of the water, and when the motor 10 is started, the output shaft 20 of the motor drives the pulsator 400 to rotate, and then the clutch bracket 300 also rotates together with the pulsator 400; when the water in the inner and outer tubs 100 is drained, the motor 10 is in a stopped state, after the water in the inner and outer tubs 100 is drained, the clutch support 300 falls down along the output shaft of the motor 10 under the action of gravity, the positioning groove 310 is matched with the positioning boss 210, the corresponding positioning piece 320 is inserted into the positioning hole 220, the whole clutch support 300 is clamped with the bottom of the inner tub 200, so that when the output shaft of the motor 10 drives the pulsator 400 to rotate, the pulsator 400 rotates together with the inner tub 200 through the clutch support 300.

In an embodiment of the present invention, please refer to fig. 7 to 10 together, a fixing boss 330 is disposed on a side of the clutch bracket 300 away from the inner tub 200, the fixing boss 330 is located in the middle of the clutch bracket 300, the fixing boss 330 is cylindrical, a fixing column 340 is disposed on the fixing boss 330, the fixing column 340 is located in the middle of the fixing boss 330, a through hole penetrating to the inside of the clutch bracket 300 is disposed on the fixing column 340, and the output shaft 20 of the motor passes through the through hole to be connected to the impeller 400; the side of the impeller 400 facing the clutch bracket 300 is provided with a fixing groove 410 for the fixing boss 330 to cooperate with, the cooperation between the clutch bracket 300 and the impeller 400 is stable through the cooperation between the fixing groove 410 and the fixing boss 330, and a fixing hole 420 for the fixing column 340 to cooperate with is provided on the groove wall of the fixing groove 410, wherein the cooperation between the fixing hole 420 and the fixing column 340 is a main connection function thereof, and the connection between the fixing hole 420 and the fixing column 340 enables the impeller 400 to drive the clutch bracket 300 to rotate synchronously.

It should be noted that, in practical use, because the fixing posts 340 on the clutch bracket 300 always need to be in certain contact with the positioning holes 220 in the pulsator 400 in a washing state or a dewatering state, it can be ensured that the clutch bracket 300 cannot be disengaged from the pulsator 400 after falling due to gravity in the dewatering state, and the pulsator 400 can drive the inner tub 200 to rotate. Of course, it can be achieved by changing the fitting depth of the fixing post 340 and the fixing groove 410.

On the basis of the above embodiment, referring to fig. 11, a mounting hole 401 is formed in a middle portion of a side surface of the impeller 400 facing the clutch bracket 300, a connecting member 402 is disposed in the mounting hole 401, the fixing hole 420 penetrates through the connecting member 402, the connecting member 402 is connected to the fixing column 340 through the fixing hole 420, optionally, the connecting member 402 is a gear, and the mounting hole 401 is adapted to the gear in shape. By setting the connecting member 402 to be gear-shaped, the force of the pulsator 400 can be better transmitted to the fixing post 340 through the connecting member 402, thereby driving the clutch bracket 300 to rotate.

In an embodiment of the present invention, please refer to fig. 15 and 17 together, the middle part of the positioning boss 210 is provided with a connecting boss 211, the connecting boss 211 is cylindrical, the bottom of the positioning groove 310 is provided with a connecting groove 311 for connecting with the connecting boss 211, the connecting groove 311 is adapted to the shape of the connecting boss 211.

On the basis of the above embodiment, after the positioning groove 310 is matched with the positioning boss 210 and the positioning piece 320 is inserted into the positioning hole 220, the whole clutch bracket 300 is more stably matched with the bottom of the inner tub 200 by increasing the matching of the connecting boss 211 and the connecting groove 311, and when the output shaft of the motor 10 drives the pulsator 400 to rotate, the pulsator 400 can effectively drive the inner tub 200 to rotate together through the clutch bracket 300.

In one embodiment of the present invention, please continue to refer to fig. 7. The positioning element 320 is plate-shaped or cylindrical, and optionally, an end of the positioning element 320 facing away from the clutch bracket 300 is pointed, so that the positioning element 320 can have a better guiding function when the positioning element 320 is about to be matched with the positioning hole 220, so that the positioning element 320 can be quickly matched with the positioning hole 220. It should be understood that the specific shape of the positioning member 320 should be set according to actual requirements

In an embodiment of the present invention, please continue to refer to fig. 10, a first positioning groove 301 is disposed on a side of the clutch bracket 300 facing the bottom of the inner barrel 200, the first positioning groove 301 is located outside the positioning groove 310 and is communicated with the positioning groove 310, and the first positioning groove 301 is connected with the positioning groove 310 to form a step shape. The clutch support 300 descends to the inner barrel 200 due to gravity in a dehydration state, and the first positioning groove 301 is arranged to be matched with the surface of the inner barrel 200, so that the position accuracy of the whole clutch support 300 in the falling process is ensured.

On the basis of the above embodiment, please refer to fig. 12 to 14, a second positioning groove 302 is further disposed on a side surface of the clutch bracket 300 facing the bottom of the inner barrel 200, the second positioning groove 302 is located outside the first positioning groove 301, and the second positioning groove 302 and the first positioning groove 301 are located on the same plane. The clutch bracket 300 is lowered onto the inner tub 200 by gravity in a dehydrating state, and the accurate engagement of the clutch bracket 300 with the surface of the inner tub 200 can be further ensured by providing the second positioning groove 302 on the basis of the first positioning groove 301.

The following will describe in detail the working principle of the inner and outer tub 100 assembly of the washing machine with reference to a specific use scenario as an example:

by arranging the clutch bracket 300 between the pulsator 400 and the inner tub 200, when the washing machine is in a washing state, water exists in both the inner tub 100 and the outer tub 100, so that the whole clutch bracket 300 floats up to the bottom end of the pulsator 400 along the output shaft 20 of the motor to be contacted with the inner surface of the pulsator 400 under the action of water buoyancy, and after the motor 10 is started, the output shaft 20 of the motor drives the pulsator 400 to rotate, so that the clutch bracket 300 also rotates together with the pulsator 400; when the water in the inner and outer barrels 100 is drained, the motor 10 is stopped, the clutch support 300 falls down along the output shaft of the motor 10 under the action of gravity after the water in the inner and outer barrels 100 is drained, and is clamped with the bottom of the inner barrel 200, when the dehydration is performed, the output shaft of the motor 10 drives the impeller 400 to rotate, and simultaneously, the impeller 400 rotates together with the inner barrel 200 through the clutch support 300.

Example two:

the utility model also provides a washing machine, which comprises a motor 10 and the inner and outer barrel components of the washing machine; wherein, the outer casing of the motor 10 is connected to the outer tub 100, and the output shaft 20 of the motor passes through the outer tub 100, the bottom of the inner tub 200 and the clutch bracket 300, and is fixedly connected to the pulsator 400. Since the connection relationship between the motor 10 and the inner and outer tub assemblies of the washing machine has been described in detail above, it will not be described in detail herein.

It should be understood that the washing machine may include other existing structures, and the present invention is not limited to the specific type or style of the other existing structures of the washing machine, and is not described herein.

To sum up, the utility model provides a washing machine's interior outer bucket subassembly and washing machine, wherein, washing machine's interior outer bucket subassembly includes: the outer barrel penetrates through an output shaft of the motor and is connected with a shell of the motor; the inner barrel is arranged inside the outer barrel, and the bottom of the inner barrel is movably connected with an output shaft of the motor; the clutch bracket is arranged in the inner barrel, moves along the axial direction of the output shaft of the motor and is clamped with the bottom of the inner barrel; the impeller is arranged in the inner barrel and connected with an output shaft of the motor, and the impeller is connected with the side surface of the clutch bracket departing from the inner barrel. The utility model arranges the clutch bracket between the impeller and the inner barrel, and the inner barrel and the outer barrel have water in the washing state, so the whole clutch bracket floats upwards to the bottom end of the impeller by buoyancy force of water and contacts with the inner surface of the impeller, and realizes the rotation together with the impeller; when the inner and outer barrels are dehydrated, water does not exist between the inner and outer barrels, the clutch bracket falls down due to gravity and is clamped with the bottom of the inner barrel, and the impeller rotates together with the inner barrel through the clutch bracket; and a small clutch is not needed to be arranged at the bottom of the inner barrel, so that the inner space of the washing machine is greatly saved.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

Claims (10)

1. An inner and outer tub assembly of a washing machine for connection with a motor, the inner and outer tub assembly of the washing machine comprising:

the outer barrel penetrates through an output shaft of the motor and is connected with the shell of the motor;

the inner barrel is arranged inside the outer barrel, and the bottom of the inner barrel is movably connected with an output shaft of the motor;

the clutch bracket is arranged in the inner barrel, axially moves along the output shaft of the motor and is used for being clamped with the bottom of the inner barrel;

the impeller is arranged inside the inner barrel and connected with an output shaft of the motor, and the impeller is connected with the side face of the clutch bracket, which deviates from the inner barrel.

2. The inner and outer tub assemblies of a washing machine as claimed in claim 1, wherein a positioning boss is provided on the inner side surface of the bottom of the inner tub, and the positioning boss is provided with a through positioning hole;

the side surface of the clutch bracket facing the bottom of the inner barrel is provided with a positioning groove matched with the positioning boss, and a positioning piece clamped with the positioning hole is arranged in the positioning groove.

3. The inner and outer tub assemblies of a washing machine as claimed in claim 1, wherein a fixing boss is provided on a side of the clutch bracket facing away from the inner tub, and a fixing post is provided on the fixing boss;

the side of the impeller facing the clutch support is provided with a fixing groove used for matching with the fixing boss, and the groove wall of the fixing groove is provided with a fixing hole used for matching with the fixing column.

4. The inner and outer tub assemblies of a washing machine as claimed in claim 2, wherein the positioning holes are distributed along a circumferential direction of the positioning bosses, and the positioning members are distributed circumferentially in the positioning recesses.

5. The inner and outer tub assemblies of a washing machine as claimed in claim 2, wherein a connection boss is provided at a middle portion of the positioning boss, and a connection groove for connection with the connection boss is provided at a bottom of the positioning groove.

6. The inner and outer tub assemblies of a washing machine as claimed in claim 2, wherein the positioning member has a plate shape or a cylinder shape.

7. The inner and outer tub assemblies of a washing machine as claimed in claim 3, wherein the pulsator has a mounting hole formed at a middle portion of a side thereof facing the clutch bracket, and a coupling member is formed in the mounting hole, the fixing hole penetrating the coupling member, and the coupling member is coupled to the fixing column through the fixing hole.

8. The inner and outer tub assemblies of a washing machine as claimed in claim 2, wherein a first positioning groove is formed on a side of the clutch bracket facing the bottom of the inner tub, the first positioning groove being positioned outside the positioning groove and communicating with the positioning groove.

9. The inner and outer tub assemblies of a washing machine as claimed in claim 8, wherein a second positioning groove is further formed on a side of the clutch bracket facing the bottom of the inner tub, the second positioning groove being positioned outside the first positioning groove.

10. A washing machine comprising a motor, characterized by further comprising the inner and outer tub assemblies as claimed in any one of claims 1 to 9, wherein a casing of the motor is connected to the outer tub, and an output shaft of the motor passes through the outer tub, a bottom of the inner tub and the clutch bracket and is fixedly connected to the pulsator.

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