WO2020216049A1

WO2020216049A1 - Washing machine inner drum assembly and washing machine

Info

Publication number: WO2020216049A1
Application number: PCT/CN2020/083433
Authority: WO
Inventors: 王世宇; 朱国防; 李文明; 卢立群; 刘让雷; 张凯成; 张红伟; 吕艳芬
Original assignee: 青岛海尔洗衣机有限公司; 海尔智家股份有限公司
Priority date: 2019-04-24
Filing date: 2020-04-07
Publication date: 2020-10-29
Also published as: CN111850973B; CN111850973A; CN215887596U; JP2022529836A

Abstract

A washing machine inner drum assembly and a washing machine. The washing machine inner drum assembly comprises an inner drum (1). The inner drum (1) serves as a water-holding drum when washing/rinsing. Provided on the sidewall of the inner drum (1) is a drainage channel (2) in communication with the inner drum (1) and used for draining water expelled from the inner drum (1). Provided at a water inlet (3) of the drainage channel (2) is a stopping structure (4) for preventing laundry from entering the drainage channel (2). The stopping structure (4) comprises a protruding part (5). The protruding part (5) protrudes inward from the periphery of the water inlet (3). The protruding part (5) partly shields the water inlet (3) and prevents the laundry from entering. The washing machine inner drum assembly is provided with the stopping structure (4) at the water inlet (3) of the drainage channel (2) for preventing the laundry from entering the drainage channel (2). The stopping structure (4) is structurally simple and convenient to mount, effectively prevents the laundry from clogging the drainage channel (2), and also prevents the laundry from rubbing against the water inlet (3) resulting in damaged laundry.

Description

Inner tub component of washing machine and washing machine

Technical field

The invention belongs to the field of washing machines, and specifically relates to a washing machine inner tub assembly and a washing machine.

Background technique

Existing pulsator washing machines generally include a washing tub, an outer tub, damping components, and a power system. During washing and dehydration, the washing tub rotates relative to the outer tub to cause the clothes to interact with the washing water to achieve washing or dehydration. Purpose, where the outer tub is used as a water tub, and does not come in contact with the clothes during the washing process. The outer tub is installed outside the washing tub to provide support for the washing tub. The outer tub of the existing washing machine has a relatively large volume relative to the washing tub. As a result, the amount of washing water between the inner and outer tubs is large and cannot be fully utilized. This arrangement is not only not conducive to water saving, but also causes the overall volume of the washing machine to be too large.

In order to solve the above problems, some washing machines use the inner tub as a water tub. There is no water hole in the middle and lower parts of the inner tub, and only the upper part is provided with a drainage port. A drainage channel is provided on the inner or outer wall of the inner tub so that the drainage channel can remove water during dehydration. Drain the water out of the bucket. During the dehydration process, the washing water enters the drain under the action of centrifugal force and is discharged out of the barrel through the drain channel. At the same time, the clothes in the inner tub may be accidentally stirred into the drain port under high-speed operation, and the drain port is blocked. At this time, the water in the inner tub is difficult to drain through the drain channel, which greatly affects the dehydration effect of the washing machine. In addition, it was found in the test that there was also a situation where the drainage port scratched the clothes.

In view of this, the present invention is proposed.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a washing machine. The washing machine of the present invention is provided with a stop structure at the water inlet of the drainage channel to prevent laundry from entering the drainage channel. The structure of the stop structure is simple and the installation Convenient, it can effectively prevent clothing from clogging the drainage channel, and at the same time, it can also prevent clothing from rubbing against the water channel to damage clothing.

In order to solve the above technical problems, the basic idea of the technical solution adopted by the present invention is:

The first object of the present invention is to provide an inner tub assembly of a washing machine, including an inner tub. The inner tub is a water tub during washing/rinsing, and a side wall of the inner tub is connected with the inner tub and used to drain the water thrown from the inner tub. A drainage channel, the water inlet of the drainage channel is provided with a stop structure that prevents clothing from entering the drainage channel.

In a further solution, the water inlet is arranged on the upper part of the inner tub and communicates with the inner barrel, and the stop structure is arranged on the outside of the water inlet, and/or the inner peripheral edge of the water inlet, and/or the inner side of the water inlet;

The stop structure is arranged on the inner peripheral edge of the water inlet and/or at a position close to the water inlet inside the drainage channel.

In a further solution, the stop structure includes a protrusion that protrudes inward from the outer circumference of the water inlet, and the protrusion shields a part of the water inlet to prevent clothing from entering;

Preferably, the protruding part is located inside the water inlet and protrudes upward and/or downward in the vertical direction.

In a further solution, the stop structure includes a plurality of protrusions, and the plurality of protrusions are arranged side by side and spaced apart; the plurality of protrusions block the radial cross section at the same water inlet to prevent clothing from entering;

Or, different protrusions correspondingly shield parts of different water inlets to prevent clothes from entering the drainage channel.

In a further solution, the top of the inner barrel is equipped with a balance ring, the water inlet of the drainage channel is located at the lower part of the balance ring, and the stop structure is provided on the inner barrel and/or the balance ring, and shields part of the diameter of the water inlet. Cross section

Preferably, the stop structure is integrally formed with the balance ring or fixedly connected to the balance ring, or the stop structure is integrally formed or fixedly connected to the inner barrel.

In a further solution, the lower part of the balance ring partially protrudes downwards corresponding to the position of the drainage channel to form a protrusion, and the protrusion is inserted into the drainage channel along the radial direction of the water inlet;

Preferably, a plurality of protrusions are formed at the lower part of the balance ring, and the plurality of protrusions are arranged at equal intervals along the circumferential direction of the lower part of the balance ring.

In a further solution, the stop structure includes a body with a plurality of protruding protrusions arranged at intervals, the body is fixedly connected to the upper part of the inner barrel and/or the lower part of the balance ring, and the protrusions extend At the water inlet, part of the radial section of the water inlet is blocked;

Preferably, the stop structure is connected with the upper part of the inner barrel and/or the lower part of the balance ring through a fixing member, or is bonded or welded.

In a further solution, on the radial cross section of the water inlet, the area blocked by the protrusion of the stop structure accounts for 5% to 85% of the total radial cross section area;

Preferably, the protruding part penetrates the radial cross section of the water inlet in the radial direction, and the water flow enters the drainage channel from both sides of the protruding part; or, the protruding part covers the upper or lower part of the water inlet , The water flows into the drainage channel through the outer periphery of the protrusion.

In a further solution, the surface of the freely extending end of the protrusion is a smooth curved surface;

Preferably, the outer surface of the protruding part is smoothly transitioned.

In a further solution, at least two drainage channels are provided on the side wall of the inner tub, the drainage channels are symmetrically arranged on both sides of the inner tub, and the water inlet of at least one drainage channel is provided with a stop structure.

The second object of the present invention is to provide a washing machine having the inner tub assembly as described in any one of the above solutions or combinations.

After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art:

1. The inner tub assembly of the washing machine of the present invention is provided with a stop structure at the water inlet of the drainage channel to prevent clothing from entering the drainage channel. The structure of the stop structure is simple and easy to install. It can effectively prevent clothing from clogging the drainage channel and also avoid clothing. Rubbing against the mouth of the waterway damages clothing.

2. The stop structure of the present invention has simple and diverse setting methods, which can be integrally formed with the balance ring, or fixedly connected with the balance ring and/or the inner tub, which can effectively prevent clothing from getting stuck at the mouth of the waterway or directly plugged into the waterway during washing. Inside the mouth, the possibility of blocking the water passage can also ensure the normal dehydration and drainage of the washing machine.

The specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

Description of the drawings

The accompanying drawings are used as a part of the present invention to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can be obtained from these drawings without creative work. In the attached picture:

Figure 1 is a schematic structural view of the inner tub assembly of the washing machine of the present invention;

2 is a schematic diagram of the structure of the inner barrel assembly of the present invention assembling the drainage channel;

Figure 3 is an exploded installation view of the stop structure of the present invention and the gimbal ring integrally arranged;

Figure 4 is a schematic structural view of the integral stop structure of the present invention and the gimbal from one angle;

Figure 5 is a schematic structural view of another angle of the integrated stop structure and the gimbal of the present invention;

Figure 6 is a schematic diagram of the split stop structure and gimbal of the present invention;

Figure 7 is a schematic diagram of the stop structure of the present invention;

Figure 8 is an exploded installation view of the stop structure of the present invention and the gimbal in one piece;

In the picture: 1 inner barrel, 2 drainage channel, 3 water inlet, 4 stop structure, 5 protrusion, 6 body, 7 balance ring, 8 sealing component, 9 mounting screw, 10 flange, 11 cover.

It should be noted that these drawings and text descriptions are not intended to limit the scope of the invention in any way, but to explain the concept of the invention for those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention. , But not used to 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", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation or a specific orientation. The structure and operation cannot therefore be understood as a limitation of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be mechanically or electrically connected; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood in specific situations.

Example one

As shown in Figures 1 to 8, this embodiment provides an inner tub assembly of a washing machine, including an inner tub 1. The inner tub 1 is a water tub during washing/rinsing. The side wall of the inner tub 1 is provided with a A drainage channel 2 for draining water thrown out of the inner tub 1 is provided with a stop structure 4 at the water inlet 3 of the drainage channel 2 to prevent laundry from entering the drainage channel 2.

The inner tub 1 of the washing machine of this embodiment is a tub during washing/rinsing, that is to say, the inner tub 1 is an inner tub 1 with only a dehydration hole in the upper part and no holes in the middle and lower parts. The bottom of the inner tub 1 has a flange 10 for fixing. In order to realize the drainage function, a drainage channel 2 is provided on the side wall of the inner tub 1 to drain the water thrown out under the action of centrifugal force.

The drainage channel 2 can be arranged in various ways. It can be fixed on the inner side wall of the inner tub 1 or the outer side wall of the inner tub 1 through a cover plate 11. The cover plate 11 cooperates with the side wall of the inner tub 1 to form the drainage channel 2. The dehydration hole in the upper part of 1 is the water inlet 3 of the drainage channel 2. In order to prevent leakage of water passing through the drainage channel 2, a sealing assembly 8 is provided between the cover plate 11 and the side wall of the inner tub 1, and the cover plate 11 is fixed on the side wall of the inner tub 1 by mounting screws 9. In addition, the side wall of the inner tub 1 can also be double-layered, a drainage channel 2 is formed between the inner layer and the outer layer, and the inner layer of the side wall of the inner tub 1 is provided with a dehydration hole, that is, the water inlet 3 of the drainage channel 2. In short, regardless of the arrangement of the drainage channel 2, a stop structure 4 can be provided at the water inlet 3 of the drainage channel 2 to prevent clothing from blocking the water inlet 3, and even clothing from entering the drainage channel 2, while ensuring drainage The normal progress. The stop structure 4 can effectively prevent the clothes from blocking the drainage channel 2 and at the same time can prevent the clothes from rubbing against the water passage to damage the clothes.

In this embodiment, the dehydration hole of the inner tub 1, that is, the water inlet 3 of the drainage channel 2 is arranged on the upper part of the inner tub 1 and communicates with the inner tub 1. In the current washing machine, a balance ring 7 can be installed above the inner tub 1, and the dewatering hole is located below the balance ring 7; alternatively, a water collecting ring and a balance ring 7 can be assembled, and the dewatering hole is provided on the inner peripheral side wall of the water collecting ring. . For washing machines of different structures, the stop structure 4 can be arranged in a variety of ways, either on the inner tub 1, or on the balance ring 7, or on the catchment ring, or on the cover 11 As long as the stop structure 4 can block part of the water inlet 3 of the drainage channel 2 to realize the protective function of the water inlet 3 and prevent clothing from getting stuck in the water inlet 3 or directly plugged into the drainage channel 2.

In order to achieve the purpose of protecting the water inlet 3, further, the stop structure 4 is arranged on the outside of the water inlet 3, and/or the inner peripheral edge of the water inlet 3, and/or the position inside the water inlet 3 .

In this solution, the specific position of the stop structure 4 provided at the water inlet 3 can also include multiple types,

Solution 1, the stop structure 4 may be located outside the water inlet 3 along the flow direction of the water flow, and prevent clothing from entering the water inlet 3 from the outside of the water inlet 3.

Solution 2, the stop structure 4 is inside the water inlet 3 and located at the inner peripheral edge of the water inlet 3, so that the protective effect can also be achieved.

Solution 3, the stop structure 4 is located inside the water inlet 3, so that the clothes can be blocked without going deep into the drainage channel 2, and fall back into the inner tub 1 under the action of the clothes' own gravity.

The above three schemes can be implemented separately, any two schemes can also be selected for implementation, or three schemes can be selected for implementation. As a preferred embodiment, the stop structure 4 is arranged on the inner peripheral edge of the water inlet 3 and/or at a position inside the water inlet 3. In this way, it is convenient for installation and installation, and the stop structure 4 can also be hidden in In the water inlet 3, at the same time, it is avoided that the clothes are rubbed against the waterway mouth to damage the clothes.

In order to achieve the purpose of blocking clothing, the stop structure 4 includes a protrusion 5 that protrudes inward from the outer circumference of the water inlet 3, and the protrusion 5 shields part of the water inlet 3 to prevent Clothing enters.

In this solution, the protruding part 5 of the stop structure 4 protrudes from the outer circumference of the water inlet 3 to the center direction, which can block a part of the water inlet 3, that is, divide the water inlet area of the water inlet 3 into smaller areas. The nozzle 3 is divided into small ports through which the water supply flows, and the area of the small ports is reduced. The clothes may enter the entire water inlet 3 with a larger area, but it is difficult to enter the small mouth that is partially blocked, so as to realize the blocking function of the clothes, prevent the clothes from blocking the water inlet 3, and ensure the smoothness of dehydration and drainage.

As a preferred embodiment, the protrusion 5 is located inside the water inlet 3 and protrudes upward and/or downward in the vertical direction. In this solution, the water inlet 3 is located on the side wall of the inner tub 1, and the protruding portion 5 protrudes upward and/or downward in the vertical direction, which is not only convenient for installation, but also can directly block the radial cross section inside the water inlet 3, forming The mouth with a smaller radial area, so as to achieve the purpose of protecting the water inlet 3.

Due to the different distribution modes and sizes of the dehydration holes (drain channel 2 water inlet 3) on the side wall of the inner tub 1 of different washing machines, the setting mode of the stop structure 4 can also be adapted accordingly. When the area of the dehydration hole (the water inlet 3 of the drainage channel 2) is small, the stop structure 4 may include only one protrusion 5, and when the area is large, the stop structure 4 may include a plurality of protrusions arranged in parallel and spaced apart. 5. Alternatively, when one drainage channel 2 has multiple water inlets 3, each water inlet 3 can be provided with one or more protrusions 5 for stopping.

Specifically, the stop structure 4 includes a plurality of protruding portions 5, and the plurality of protruding portions 5 are arranged side by side and spaced apart, so as to facilitate fixed installation and realize the blocking function. The arrangement of the plurality of protrusions 5 includes but is not limited to the following two:

Solution 1, a plurality of protrusions 5 shield part of the radial cross section at the same water inlet 3 to prevent clothing from entering. In this solution, the area of the water inlet 3 is larger, and a plurality of protrusions 5 are arranged side by side and spaced apart. The radial cross section of the water inlet 3 is re-divided so that the same water inlet 3 forms a small opening with a smaller area to prevent clogging of clothes Water inlet 3.

Solution 2, the upper part of the inner tub 1 is provided with multiple water inlets 3 corresponding to the same drainage channel 2, and different protrusions 5 of the stop structure 4 correspondingly shield parts of different water inlets 3 to prevent clothing from entering the drainage channel 2. In this solution, a stop structure 4 is provided, and the stop structure 4 has a plurality of protrusions 5, and different protrusions 5 can respectively block different water inlets 3 to prevent clothing from blocking the water inlet 3, so only one is needed. The stop structure 4 can achieve a protective effect on the multiple water inlets 3.

In this embodiment, the stop structure 4 can be made of any suitable material, which can be a plastic part, a metal part, a rubber part, etc., and is installed in a corresponding fixing manner.

Example two

As shown in Figures 1-8, this embodiment is a further limitation of the first embodiment. The top of the inner tub 1 is equipped with a balance ring 7, the water inlet 3 of the drainage channel 2 is located at the lower part of the balance ring 7, and the stop The structure 4 is arranged on the inner tub 1 and/or the balance ring 7 and shields part of the radial cross section at the water inlet 3.

In this embodiment, a cover plate is provided on the outer side wall of the inner barrel, and a drainage channel is formed between the cover plate and the outer side wall of the inner barrel. A dehydration hole is provided on the upper part of the inner barrel. The dehydration hole connects the interior of the inner barrel with the drainage channel. water intake.

The stop structure 4 can be separately arranged on the upper part of the inner tub 1, can be separately arranged on the lower part of the balance ring 7, or can be arranged in combination. The stop structure 4 shields part of the radial cross section of the water inlet 3 to form a small opening with a smaller cross-sectional area. Therefore, it is difficult for clothes to enter the small opening, thereby achieving a blocking function for clothes, preventing clothes from blocking the water inlet 3, and ensuring dehydration and drainage The patency.

The stop structure 4 and the balance ring 7 are integrally formed or fixedly connected to the balance ring 7, or the stop structure 4 is integrally formed or fixedly connected to the inner tub 1. As a specific setting method, it can include but not limited to the following:

Scheme 1, the stop structure 4 and the balance ring 7 are integrally formed. The lower part of the balance ring 7 corresponding to the position of the drainage channel 2 partially protrudes downward to form a protrusion 5, which is along the radial direction of the water inlet 3. Insert into drain channel 2.

In this solution, the stop structure 4 is located at the lower part of the balance ring 7, and the position is set corresponding to the water inlet 3 on the upper part of the inner barrel 1. This is convenient for processing, and the stop structure 4 can be installed in place while the balance ring 7 is assembled. The installation is quick and easy achieve.

Furthermore, the end of the protruding portion 5 can also be provided with mounting holes, and the stop structure 4 and the balance ring 7 can be fixed to the upper part of the inner tub 1 by fixing members, such as screws, etc., to achieve a more stable installation effect.

As a preferred embodiment, a plurality of protrusions 5 are formed in the lower part of the balance ring 7, and the plurality of protrusions 5 are arranged at equal intervals along the circumferential direction of the lower part of the balance ring 7.

In this solution, the upper part of the inner tub 1 can have multiple dehydration holes (water inlets 3) corresponding to a drainage channel 2, and the positions of the multiple protrusions 5 at the lower part of the balance ring 7 can correspond to the positions of the multiple water inlets 3 one by one. After the balance ring 7 is assembled with the inner tub 1, one protrusion 5 corresponds to one water inlet 3, and partially shields the corresponding water inlet 3 to form a smaller opening to prevent clothing from entering.

Or, among the plurality of protrusions 5 at the lower part of the gimbal 7, some of the protrusions 5 are in positions corresponding to the plurality of water inlets 3, and the other part of the protrusions 5 avoids the water inlet and is closely attached to the outer wall of the inner cylinder, Used for fixing with inner barrel 1. A part of the protruding portion 5 corresponding to the water inlet 3 shields a part of the corresponding water inlet 3 to form a smaller opening to prevent clothing from entering. The end of the protruding part fixed with the inner barrel is provided with a mounting hole, and the protruding part is fixedly connected with the inner barrel through a screw or the like through the mounting hole, thereby increasing the fixing effect.

Solution 2: The stop structure 4 includes a main body 6 with a plurality of protruding protrusions 5 spaced apart, and the main body 6 is fixedly connected to the upper part of the inner tub 1 and/or the lower part of the balance ring 7, and The protruding part 5 extends into the water inlet 3 to block a part of the radial cross section of the water inlet 3.

In this solution, the stop structure 4, the balance ring 7 and the inner barrel 1 are arranged separately, which are separate components, and the installation methods are more diverse. The body 6 of the stop structure 4 can be an arc-shaped structure that matches the outer circumference of the gimbal 7 or the outer circumference of the inner tub 1, and the protruding portion 5 protrudes upward or downward in the vertical direction. The water inlet 3 is partially covered to form a small opening.

The fixing method of the stop structure 4 and the upper part of the inner tub 1 and/or the lower part of the balance ring 7 can be any existing method, such as a fixed screw connection, or bonding, or welding.

In order to achieve a better effect of preventing clothing from entering under the premise of ensuring normal dehydration and drainage, on the radial section of the water inlet 3, the area blocked by the protrusion 5 of the stop structure 4 accounts for the total radial section area In this way, the smoothness of dehydration and drainage can be ensured, and the clothes can be prevented from entering the drainage channel 2 from the water inlet 3.

As a preferred embodiment, the protrusion 5 penetrates the radial section of the water inlet 3 in the radial direction, and the water flow enters the drainage channel 2 from both sides of the protrusion 5; in this solution, the protrusion 5 The water inlet 3 is divided into small areas, and the water flows through the small areas, so that the water inlet 3 is divided into small openings to realize the stop function of the clothes.

Alternatively, the protrusion 5 shields the upper or lower portion of the water inlet 3, and the water flow enters the drainage channel 2 through the outer periphery of the protrusion 5. In this solution, the protrusion 5 does not have a radial cross-section that penetrates the water inlet 3, and the freely extending end of the protrusion 5 is located in the water inlet 3. Therefore, although the water inlet 3 is not divided into separate regions, The cross-sectional area through which the water flow can pass is reduced, the area of the water inlet 3 is reduced, and the effect of preventing clothing from entering can also be achieved.

In a further solution, the surface of the freely extending end of the protrusion 5 is a smooth curved surface; preferably, the outer surface of the protrusion 5 is smoothly transitioned. In this way, the resistance to the water flow can be reduced and the smoothness of drainage can be ensured.

In a further solution, at least two drainage channels 2 are provided on the side wall of the inner tub 1, the drainage channels 2 are symmetrically arranged on both sides of the inner tub 1, and the water inlet 3 of the at least one drainage channel 2 is provided with a stop structure 4 .

In the drainage channel 2 on the side wall of the inner tub of the washing machine, a stop structure 4 can be provided at the water inlet 3 of one drainage channel 2, or a stop structure can be provided at the water inlet 3 of all drainage channels 2 4. It can effectively prevent the clothes from getting stuck at the mouth of the waterway or directly plugged into the mouth of the waterway during the washing process, causing the possibility of clogging the waterway mouth, and also can ensure the normal dehydration and drainage of the washing machine.

Example three

This embodiment provides a washing machine with the inner tub assembly of Embodiment 1 or Embodiment 2. The inner tub assembly is provided with a stop structure at the water inlet of the drainage channel to prevent laundry from entering the drainage channel. The structure of the stop structure is simple and easy to install. It can effectively prevent clothing from clogging the drainage channel, and at the same time can prevent clothing from rubbing against the water inlet to damage clothing.

The above are only the preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed as above in preferred embodiments, it is not intended to limit the present invention. Any technology familiar with this patent Without departing from the scope of the technical solution of the present invention, the personnel can use the technical content suggested above to make slight changes or modification into equivalent embodiments with equivalent changes, but any content that does not depart from the technical solution of the present invention is based on the technology of the present invention Essentially, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the present invention.

Claims

A washing machine inner tub assembly, including an inner tub, the inner tub is a water tub during washing/rinsing, and is characterized in that the side wall of the inner tub is provided with a drainage channel communicating with the inner tub and used to drain water thrown from the inner tub. The water inlet of the drainage channel is provided with a stop structure to prevent clothing from entering the drainage channel.
The washing machine inner tub assembly according to claim 1, wherein the water inlet is provided on the upper part of the inner tub and communicates with the inner tub, and the stop structure is provided on the outside of the water inlet, and/or the water inlet The inner peripheral edge of and/or the inside of the water inlet;

Preferably, the stop structure is arranged on the inner peripheral edge of the water inlet and/or a position inside the water inlet.
The inner tub assembly of a washing machine according to claim 1, wherein the stop structure includes a protruding portion that protrudes inward from the outer circumference of the water inlet, and the protruding portion shields a part of the water inlet To prevent clothing from entering;

Preferably, the protruding part is located inside the water inlet and protrudes upward and/or downward in the vertical direction.
The inner tub assembly of a washing machine according to claim 3, wherein the stop structure comprises a plurality of protrusions, and the plurality of protrusions are arranged side by side and spaced apart; the plurality of protrusions shield the same inlet Part of the radial cross section at the nozzle prevents clothing from entering;

Or, different protrusions correspondingly shield parts of different water inlets to prevent clothes from entering the drainage channel.
A washing machine inner tub assembly according to any one of claims 1 to 4, wherein the top of the inner tub is equipped with a balance ring, the water inlet of the drainage channel is located at the lower part of the balance ring, and the stop structure is arranged at On the inner barrel, and/or on the balance ring, and shield part of the radial section at the water inlet;

Preferably, the stop structure is integrally formed with the balance ring or fixedly connected to the balance ring, or the stop structure is integrally formed or fixedly connected to the inner barrel.
The inner tub assembly of a washing machine according to claim 5, wherein the lower part of the balance ring corresponding to the position of the drainage channel partially protrudes downward to form a protrusion, and the protrusion is inserted into the drainage along the radial direction of the water inlet. In the channel

Preferably, a plurality of protrusions are formed at the lower part of the balance ring, and the plurality of protrusions are arranged at equal intervals along the circumferential direction of the lower part of the balance ring.
The inner tub assembly of a washing machine according to claim 5, wherein the stop structure comprises a body with a plurality of protruding protrusions arranged at intervals, the body and the upper part of the inner tub, and/ Or the lower part of the balance ring is fixedly connected, and the protruding part extends into the water inlet to partially block the radial cross section of the water inlet;

Preferably, the stop structure is connected with the upper part of the inner barrel and/or the lower part of the balance ring through a fixing member, or is bonded or welded.
The inner tub assembly of a washing machine according to any one of claims 1-4, wherein the radial cross-section of the water inlet, the area blocked by the protrusion of the stop structure accounts for the total area of the radial cross-section 5%-85%;

Preferably, the protruding part penetrates the radial cross section of the water inlet in the radial direction, and the water flow enters the drainage channel from both sides of the protruding part; or, the protruding part covers the upper or lower part of the water inlet , The water flows into the drainage channel through the outer periphery of the protrusion.
The washing machine inner tub assembly according to any one of claims 1 to 4, wherein at least two drainage channels are provided on the side wall of the inner tub, and the drainage channels are symmetrically arranged on both sides of the inner tub, at least one A stop structure is provided at the water inlet of the drainage channel.
A washing machine, characterized in that the washing machine has the inner tub assembly according to any one of claims 1-9.