CN108118491B - Drum assembly, washing machine comprising same and control method - Google Patents

Drum assembly, washing machine comprising same and control method Download PDF

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Publication number
CN108118491B
CN108118491B CN201810036073.4A CN201810036073A CN108118491B CN 108118491 B CN108118491 B CN 108118491B CN 201810036073 A CN201810036073 A CN 201810036073A CN 108118491 B CN108118491 B CN 108118491B
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China
Prior art keywords
opening
inner cylinder
closing structure
door body
tub
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CN201810036073.4A
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Chinese (zh)
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CN108118491A (en
Inventor
荆振洋
杨阳
黄浩钦
徐义伟
李亚慧
张建勋
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201810036073.4A priority Critical patent/CN108118491B/en
Publication of CN108118491A publication Critical patent/CN108118491A/en
Application granted granted Critical
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/10—Doors; Securing means therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

The invention discloses a roller assembly, a washing machine comprising the same and a control method. The roller assembly comprises an inner cylinder and an outer cylinder, the inner cylinder is rotatably arranged on the inner side of the outer cylinder, openings and an opening and closing structure are arranged on the side walls of the inner cylinder and the outer cylinder, the opening and closing structure can open and close the openings in a sliding mode, and at least in one state, the openings on the inner cylinder are opposite to the openings on the outer cylinder, so that the inner cavity of the inner cylinder is communicated with the outer space of the roller assembly. The roller assembly is provided with the openings on the inner cylinder and the outer cylinder and the opening and closing structure capable of controlling the opening or closing of the openings in a sliding mode. Therefore, the opening position of the roller assembly can be provided with various setting modes, and the operation of a user is convenient.

Description

Drum assembly, washing machine comprising same and control method
Technical Field
The invention relates to the related technical field of washing machines, in particular to a roller assembly, a washing machine comprising the same and a control method.
Background
With the improvement of the living standard of people, the demands of people on the washing machine are not satisfied with only reducing the labor of housework, and more people pay attention to the high-level levels of multifunctionality, use experience and the like. The conventional washing machine comprises a drum washing machine and a pulsator washing machine, and the drum washing machine has the characteristics of wide washing range, no winding, small abrasion and the like, and gradually becomes the main stream of household selection of people. However, the traditional drum washing machine door is used for taking and putting clothes in front of the box body, unlike the traditional pulsator washing machine, the traditional drum washing machine door can be used for taking and putting clothes from the top, on one hand, people need to have larger bending action when putting the clothes, and uncomfortable user experience is brought; on the other hand, the partially hidden home style requires that the washing machine be nested in the ornament, requiring that the washing machine only be openable from the top.
Meanwhile, the existing washing machine can automatically complete basic functions such as washing, drying and the like, but still cannot complete functions such as automatic storage, automatic clothes stacking and the like. One of the main difficulties is that washed clothes cannot be automatically transferred to corresponding machine modules such as storage, clothes stacking and the like.
Disclosure of Invention
Accordingly, it is an object of the present invention to provide a drum assembly, a washing machine including the same, and a control method thereof, which diversify the opening position selection.
In a first aspect, there is provided a drum assembly comprising an inner drum and an outer drum, the inner drum being rotatably disposed inside the outer drum,
the inner cylinder is characterized in that openings and an opening and closing structure are arranged on the side walls of the inner cylinder and the outer cylinder, the opening and closing structure can open and close the openings in a sliding mode, and at least in one state, the openings on the inner cylinder are opposite to the openings on the outer cylinder, so that the inner cavity of the inner cylinder is communicated with the outer space of the roller assembly.
Preferably, the opening comprises an inner cylinder opening formed on a side wall of the inner cylinder, and the opening and closing structure comprises an inner cylinder opening and closing structure arranged on the side wall of the inner cylinder and used for opening or closing the inner cylinder opening.
Preferably, the inner cylinder opening and closing structure comprises an inner cylinder door body, and the inner cylinder door body is slidably arranged on the inner cylinder.
Preferably, the inner cylinder opening and closing structure further comprises a first driving mechanism, and the first driving mechanism is used for driving the inner cylinder door body to move.
Preferably, the first driving mechanism comprises a first driving gear, a rack is arranged on the inner barrel door body, and the inner barrel door body is controlled to move through the cooperation of the first driving gear and the rack.
Preferably, the inner cylinder opening and closing structure further comprises a first accommodating cavity, and the inner cylinder door body has an opening position sliding into the first accommodating cavity and a closing position sliding out of the first accommodating cavity, wherein the inner cylinder door body opens the inner cylinder opening, and the inner cylinder door body closes the inner cylinder opening.
Preferably, the first accommodation chamber is in communication with a gas or liquid supply means for supplying gas or liquid into the first accommodation chamber to cause the inner barrel door to slide out of the first accommodation chamber under pressure and/or to lock the inner barrel door in the closed position.
Preferably, the inner cylinder opening and closing structure further comprises a first matching groove, the first matching groove is arranged at the edge position of the inner cylinder opening, and when the inner cylinder door body closes the inner cylinder opening, part of the inner cylinder door body extends into the first matching groove.
Preferably, the opening comprises a plurality of outer cylinder openings arranged on the side wall of the outer cylinder, the plurality of outer cylinder openings are arranged along the circumferential direction of the outer cylinder, and the opening and closing structure comprises an outer cylinder opening and closing structure arranged on the side wall of the outer cylinder and respectively corresponding to the plurality of outer cylinder openings.
Preferably, the outer cylinder opening and closing structure is the same as the inner cylinder opening and closing structure.
Preferably, the plurality of outer barrel openings comprise a second opening in a lower side wall of the outer barrel, and/or,
the plurality of outer barrel openings includes a third opening located on an upper side wall or a side wall of the outer barrel.
In a second aspect, there is provided a washing machine having the above-described drum assembly disposed therein.
In a third aspect, a washing machine is provided, including a housing, a washing chamber and a processing chamber located below the washing chamber are formed in the housing, the washing chamber is provided with the drum assembly, and the processing chamber can be communicated with the inner drum through an inner drum opening and a second opening on the drum assembly.
In a fourth aspect, a control method for controlling the above-mentioned washing machine is provided, the washing machine having a put-in state, a washing state, a first laundry state and/or a second laundry state,
in the throwing state, the inner cylinder opening is controlled to rotate to a position corresponding to the third opening, the outer cylinder opening and closing structure is controlled to open the third opening, and the inner cylinder opening and closing structure is controlled to open the inner cylinder opening;
in the washing state, controlling the inner cylinder opening and closing structure to close the inner cylinder opening, and controlling the outer cylinder opening and closing structure to close the second opening and the third opening;
in the first clothes taking state, controlling the inner cylinder opening to rotate to a position corresponding to the third opening, controlling the outer cylinder opening and closing structure to open the third opening, and controlling the inner cylinder opening and closing structure to open the inner cylinder opening;
in the second clothes taking state, the inner cylinder opening is controlled to rotate to a position corresponding to the second opening, the outer cylinder opening and closing structure is controlled to open the second opening, and the inner cylinder opening and closing structure is controlled to open the inner cylinder opening.
The roller assembly is provided with the openings on the inner cylinder and the outer cylinder and the opening and closing structure capable of controlling the opening or closing of the openings in a sliding mode. Therefore, the opening position of the roller assembly can be provided with various setting modes, and the operation of a user is convenient.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:
FIG. 1 shows a schematic cross-sectional view of a drum assembly;
fig. 2-5 show schematic structural views of the drum assembly in different operating states.
Detailed Description
The present invention is described below based on examples, but the present invention is not limited to only these examples. It will be appreciated by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and that the drawings are not necessarily drawn to scale.
Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, it is the meaning of "including but not limited to".
In the description of the present invention, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1, the drum assembly provided by the present invention includes an inner drum 100 and an outer drum 200, the inner drum 100 is rotatably disposed inside the outer drum 200, preferably, the axes of the inner drum 100 and the outer drum 200 are disposed in a collinear manner, and the inner drum 100 can rotate in clockwise and counterclockwise directions about its axis as shown by an arrow in fig. 1.
The side wall of the inner cylinder 100 is provided with an inner cylinder opening, i.e. a first opening 110', which radially penetrates through the inner cylinder, and the inner cylinder 100 is provided with an inner cylinder opening and closing structure, i.e. a first opening and closing structure, which is used for opening or closing the first opening 110'. Preferably, the first opening and closing structure includes an inner cylinder door body, i.e., a first door body 110, disposed on the inner cylinder 100, the first door body 110 is a curved surface structure adapted to the shape of the side wall of the inner cylinder 100, the first door body 110 can completely cover the first opening 110', and the first door body 110 can slide along the circumferential direction of the inner cylinder 100 so as to be able to open or close the first opening 110'. The first opening and closing structure further includes a first receiving cavity 120 provided on a sidewall of the inner cylinder 100, the first receiving cavity 120 is configured to receive the first door body 110, the first receiving cavity 120 extends along a circumferential direction of the inner cylinder 100, and an opening of the first receiving cavity 120 faces the first opening 110', so that the first door body 110 can be introduced into the first receiving cavity 120 to open the first opening 110', or the first door body 110 slides out of the first receiving cavity 120 to close the first opening 110'. The first opening and closing structure further includes a first driving mechanism disposed on the inner cylinder 100, and the first driving mechanism is configured to drive the first door 110 to move. Preferably, the first driving mechanism includes a first driving gear 130, correspondingly, a rack is disposed on the first door body 110, the first driving gear 130 is meshed with the rack, and the first driving gear 130 controls the movement of the first door body 110 through the rack on the first door body 110. For example, when the first driving gear 130 rotates in the first direction, the first door body 110 slides into the first accommodating chamber 120 to be located at the open position, and the first opening 110' is opened; when the first driving gear 130 rotates in the second direction, the first door body 110 slides out of the first accommodating cavity 120 to be at the closed position, and the first opening 110' is closed. The first opening and closing structure further includes a first coupling groove 140 provided at a portion of the first opening 110' opposite to a portion forming the first receiving chamber 120, the first coupling groove 140 having an opening toward the first opening 110', and a portion of the first door body 110 being insertable into the first coupling groove 140 when the first door body 110 closes the first opening 110', i.e., the first door body 110 is located at the closed position, and the first door body 110 and the first coupling groove 140 form a sealing coupling.
Preferably, the first door body 110 is in sealing contact with the inner wall of the first accommodating cavity 120, the first opening and closing structure further includes a gas or liquid supply device, and the first accommodating cavity 120 may be communicated with the gas or liquid supply device, so that the first door body 110 may slide out of the first accommodating cavity 120 under hydraulic or pneumatic control. Alternatively, when the first door 110 closes the first opening 110', liquid or gas may be introduced into the first accommodating cavity 120, so that the first door 110 cannot slide into the first accommodating cavity 120 under the action of pressure, thereby locking the position of the first door 110 and avoiding accidental opening of the first opening 110'. When the first opening 110' needs to be opened, the first accommodating cavity 120 is firstly depressurized, and then the first door body 110 is controlled to slide into the first accommodating cavity 120 through the first driving gear 130. Alternatively, the first door 110 may be controlled to slide out of the first accommodating chamber 120 under the action of pressure by introducing liquid or gas into the first accommodating chamber 120.
Further, in other embodiments, the first door 110 may also slide along the axial direction of the inner cylinder 100 to open or close the first opening 110'. Alternatively, the first door body 110 may be provided as a separate structure, and may slide in different directions to control the opening or closing of the first opening 110'.
The outer tub 200 is provided with at least one outer tub opening including a second opening 210' provided on a sidewall located below as shown in fig. 1 to penetrate in a radial direction, and a second opening and closing structure for opening or closing the second opening 210' is provided on the outer tub 200 at a position corresponding to the second opening 210'. The specific structure and control method of the second opening and closing structure are the same as those of the first opening and closing structure, namely, the second opening and closing structure comprises a second door body 210, wherein the second door body 210 is used for controlling the opening and closing of the second opening 210'; a second accommodating chamber 220, wherein the second accommodating chamber 220 is used for accommodating the second door 210; and the second driving mechanism and the second mating groove, and the like, the specific structure and control manner will not be described in detail here.
The second opening 210 'is provided such that when the first opening 110' and the second opening 210 'are simultaneously opened and the inner tub 100 is rotated to a position where the first opening 110' is located below, i.e., the first opening 110 'is opposite to the second opening 210' (see fig. 5), laundry within the inner tub 100 can automatically slide down to the outside of the drum assembly through the first opening 110 'and the second opening 210' by gravity.
Preferably, the outer cylinder opening further includes a third opening 230' formed on a sidewall of the outer cylinder 200 and penetrating in a radial direction, and a third opening and closing structure is further formed on the outer cylinder 200 at a position corresponding to the third opening 230', and the third opening and closing structure is used for controlling the opening or closing of the third opening 230 '. The specific structure and control method of the third opening and closing structure are the same as those of the first opening and closing structure, namely, the third opening and closing structure comprises a third door body 230, wherein the third door body 230 is used for controlling the opening and closing of the third opening 230'; a third accommodating cavity 240, wherein the third accommodating cavity 240 is used for accommodating the third door body 230; and a third driving mechanism and a third mating groove, and the specific structure and control manner are not described in detail herein.
Preferably, the third opening 230 'is located at an upper side of the second opening 210', and further, the third opening 230 'is disposed opposite to the second opening 210', as shown in fig. 1. The third opening 230' is provided such that laundry can be put into the inner tub 100 through the third opening 230' and the first opening 110' when the first opening 110' and the third opening 230' are simultaneously opened and the inner tub 100 is rotated to a position where the first opening 110' is opposite to the third opening 230 '. Further, in order to avoid the danger of the malfunction, the second opening 210 'and the third opening 230' of the outer cylinder 200 cannot be opened at the same time, that is, the third opening 230 'is not allowed to be opened when the second opening 210' is opened; the third opening 230 'is opened without allowing the second opening 210' to be opened.
The invention also provides a washing machine, which comprises a shell 10, wherein a washing cavity 11 is formed in the shell 10, and the roller assembly is arranged in the washing cavity 11. Preferably, the drum assembly is connected to the housing 10 through the outer tub 200, and further, the outer tub 200 is connected to the inner wall of the washing chamber 11 through a shock absorbing member. For example, as shown in fig. 1, the shock absorbing member includes a spring 13 and a damper 14, and the damper 14 is disposed at the lower side of the outer tub 200 while being connected to the inner wall of the washing chamber 11 and the outer tub 200, to support the outer tub 200. The spring 13 is disposed at an upper side of the outer tub 200 and is simultaneously connected to the inner walls of the outer tub 200 and the washing chamber 11 for hanging the outer tub 200. The spring 13 and the damper 14 are used in cooperation to attenuate vibration generated when the drum assembly is operated.
An inlet 111 is provided on the housing 10 at a position opposite to the third opening 230 'of the tub 200, an outlet 112 is provided at a position opposite to the second opening 210' of the tub 200, the inlet 111 is used for putting laundry into the drum assembly, and the outlet 112 is used for automatically dropping the laundry in the drum assembly to the outside of the washing chamber 11.
Preferably, a treatment chamber 12 is further provided inside the housing 10, the treatment chamber 12 being located below the washing chamber 11, and the treatment chamber 12 being in communication with the washing chamber 11, preferably through the outlet 112. The clothes can fall into the processing cavity 12 from the washing cavity 11, the clothes can be further processed in the processing cavity 12, for example, the clothes can be stored in the processing cavity 12, or a clothes stacking device is arranged in the processing cavity 12, so that the clothes can be stacked in the processing cavity 12.
The washing machine provided by the invention has several working states shown in figures 2-5, and the specific control method is as follows:
the working state comprises the following steps:
in the put-in state, as shown in fig. 2, the third door 230 on the outer cylinder 200 opens the third opening 230', the first door 110 on the inner cylinder 100 opens the first opening 110', and the first opening 110' is located at the upper side of the inner cylinder 100. At this time, laundry may be added into the drum assembly through the inlet 111, and then the first and third openings 110 'and 230' may be closed, and then the washing machine may be started to wash.
In the washing state, as shown in fig. 1, the first opening 110', the second opening 210', and the third opening 230' are all closed.
And a first clothes taking state. As shown in fig. 3, after the washing of the laundry is completed, the first opening 110' of the inner tub 100 is located at an upper side, and then the first door 110 is opened, so that the laundry is not contacted with the laundry when the first door 110 is opened because the laundry is located at a lower side of the inner tub 100 under the action of gravity, and the first door 110 is prevented from being contacted with the laundry when being opened, thereby possibly being hung on the laundry to damage the laundry or affect the opening of the first door 110. At this time, the second opening 210 'and the third opening 230' are in a closed state. Then, the second door 210 on the outer cylinder 200 is opened, as shown in fig. 4, and the inner cylinder 100 is controlled to rotate, and then the inner cylinder is stopped when the first opening 110 'is turned to a position opposite to the second opening 210', as shown in fig. 5, in the first clothes taking state, at this time, under the action of gravity, the clothes in the inner cylinder 100 can automatically fall into the processing chamber 12, where the second door 210 is controlled to be opened first, and then the inner cylinder 100 is controlled to rotate, so as to avoid contact with the clothes in the opening process of the second door 210. Finally, the first door 110 and the second door 210 are closed, and the inner cylinder 100 is controlled to rotate, so that the state shown in fig. 1 is achieved.
Or, the clothes taking device further comprises a second clothes taking state, that is, the first door 110 and the third door 230 are opened simultaneously, and clothes can be taken through the first opening 110 'and the third opening 230', and the specific state is the same as that shown in fig. 2.
The drum assembly provided by the invention can realize the taking and putting of clothes in various modes by arranging a plurality of openings on the inner drum and the outer drum. And, the laundry may be automatically slid out of the drum assembly by gravity by providing the second opening 210' at the bottom of the tub. Thereby allowing the washing machine to perform more functions and to be automated to a higher degree.
It is easy to understand by those skilled in the art that the above preferred embodiments can be freely combined and overlapped without conflict.
It will be understood that the above-described embodiments are merely illustrative and not restrictive, and that all obvious or equivalent modifications and substitutions to the details given above may be made by those skilled in the art without departing from the underlying principles of the invention, are intended to be included within the scope of the appended claims.

Claims (8)

1. A roller assembly is characterized by comprising an inner cylinder and an outer cylinder, wherein the inner cylinder is rotatably arranged on the inner side of the outer cylinder,
the inner cylinder and the outer cylinder are respectively provided with an opening and closing structure, the opening and closing structure can open and close the opening in a sliding mode, and at least in one state, the opening on the inner cylinder is opposite to the opening on the outer cylinder, so that the inner cavity of the inner cylinder is communicated with the outer space of the roller assembly;
the opening comprises an inner cylinder opening formed on the side wall of the inner cylinder, the opening and closing structure comprises an inner cylinder opening and closing structure arranged on the side wall of the inner cylinder, and the inner cylinder opening and closing structure is used for opening or closing the inner cylinder opening;
the inner cylinder opening and closing structure comprises an inner cylinder door body, and the inner cylinder door body is slidably arranged on the inner cylinder;
the inner cylinder opening and closing structure further comprises a first driving mechanism, and the first driving mechanism is used for driving the inner cylinder door body to move;
the first driving mechanism comprises a first driving gear, a rack is arranged on the inner barrel door body, and the inner barrel door body is controlled to move through the cooperation of the first driving gear and the rack;
the inner cylinder opening and closing structure further comprises a first accommodating cavity, the inner cylinder door body is provided with an opening position sliding into the first accommodating cavity and a closing position sliding out of the first accommodating cavity, the inner cylinder door body opens the inner cylinder opening in the opening position, and the inner cylinder door body closes the inner cylinder opening in the closing position;
the first accommodating cavity is communicated with a gas or liquid supply device, and the gas or liquid supply device is used for supplying gas or liquid into the first accommodating cavity so that the inner cylinder door body is locked at the closed position under the pressure action of the inner cylinder door body.
2. The drum assembly of claim 1, wherein the inner cylinder opening and closing structure further comprises a first mating groove provided at an edge position of the inner cylinder opening, and a portion of the inner cylinder door extends into the first mating groove when the inner cylinder door closes the inner cylinder opening.
3. The drum assembly according to any one of claims 1 to 2, wherein the opening includes a plurality of tub openings provided on a side wall of the tub, the plurality of tub openings being provided along a circumferential direction of the tub, and the opening and closing structure includes a tub opening and closing structure provided on the side wall of the tub and provided corresponding to the plurality of tub openings, respectively.
4. A drum assembly according to claim 3, wherein the outer drum opening and closing structure is the same as the inner drum opening and closing structure.
5. The drum assembly of claim 3, wherein the plurality of tub openings includes a second opening on a lower sidewall of the tub, and/or,
the plurality of outer barrel openings includes a third opening located on an upper side wall or a side wall of the outer barrel.
6. A washing machine, characterized in that a drum assembly according to any one of claims 1-5 is provided in the washing machine.
7. A washing machine comprising a housing having a washing chamber and a treatment chamber disposed below the washing chamber, wherein the washing chamber is provided with the drum assembly of claim 5, and the treatment chamber is capable of communicating with the drum through an opening in the drum assembly and a second opening.
8. A control method for controlling a washing machine as claimed in claim 7, wherein the washing machine has a put-in state, a washing state, a first laundry taking state and/or a second laundry taking state,
in the throwing state, the inner cylinder opening is controlled to rotate to a position corresponding to the third opening, the outer cylinder opening and closing structure is controlled to open the third opening, and the inner cylinder opening and closing structure is controlled to open the inner cylinder opening;
in the washing state, controlling the inner cylinder opening and closing structure to close the inner cylinder opening, and controlling the outer cylinder opening and closing structure to close the second opening and the third opening;
in the first clothes taking state, controlling the inner cylinder opening to rotate to a position corresponding to the third opening, controlling the outer cylinder opening and closing structure to open the third opening, and controlling the inner cylinder opening and closing structure to open the inner cylinder opening;
in the second clothes taking state, the inner cylinder opening is controlled to rotate to a position corresponding to the second opening, the outer cylinder opening and closing structure is controlled to open the second opening, and the inner cylinder opening and closing structure is controlled to open the inner cylinder opening.
CN201810036073.4A 2018-01-15 2018-01-15 Drum assembly, washing machine comprising same and control method Active CN108118491B (en)

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CN108118491B true CN108118491B (en) 2023-07-25

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CN112760907B (en) * 2020-12-24 2021-12-17 珠海格力电器股份有限公司 Washing machine and control method thereof
CN112941858A (en) * 2021-01-26 2021-06-11 珠海格力电器股份有限公司 Roller assembly, drying device and laundry equipment
CN112962262B (en) * 2021-02-02 2021-12-14 珠海格力电器股份有限公司 Washing machine and control method thereof
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