WO2020238612A1 - Machine à laver - Google Patents

Machine à laver Download PDF

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Publication number
WO2020238612A1
WO2020238612A1 PCT/CN2020/089769 CN2020089769W WO2020238612A1 WO 2020238612 A1 WO2020238612 A1 WO 2020238612A1 CN 2020089769 W CN2020089769 W CN 2020089769W WO 2020238612 A1 WO2020238612 A1 WO 2020238612A1
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WO
WIPO (PCT)
Prior art keywords
wall
inner cylinder
washing machine
valve
washing
Prior art date
Application number
PCT/CN2020/089769
Other languages
English (en)
Chinese (zh)
Inventor
赵志强
许升
吕佩师
Original Assignee
青岛海尔滚筒洗衣机有限公司
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 青岛海尔滚筒洗衣机有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Publication of WO2020238612A1 publication Critical patent/WO2020238612A1/fr

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Classifications

    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a horizontal axis
    • 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
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements

Definitions

  • the present invention belongs to the technical field of washing machines, and specifically relates to a washing machine with only a rotatable inner tub that can hold water, and more particularly to a valve structure applied to the above-mentioned washing machine.
  • the drum washing machine generally includes an inner tube and an outer tube that are fitted with each other.
  • the outer tube is sealed for holding water, and the inner tube is used to hold clothes, and the inner tube is rotated to beat and wash the clothes;
  • Set dehydration holes so that the water in the outer tub flows into the inner tub through the dehydration holes to soak the clothes in the inner tub, the water in the inner tub flows out to the outer tub through the dehydration holes, and the moisture on the clothes in the inner tub is dehydrated when the inner tub rotates at a high speed
  • the holes are drained to the outer tube to achieve the purpose of washing clothes.
  • the washing process of the washing machine is to beat and wash the clothes through the rotation of the inner tub, so that the washing capacity of the washing machine is based on the inner tub, and the internal space utilization rate of the washing machine It is low and cannot expand the washing capacity of the washing machine on the existing basis.
  • the purpose of the present invention is to overcome the above-mentioned shortcomings in the prior art, and provide a washing machine, so that when the washing machine is in a drain or dehydration process, the inner drum is in a high-speed rotation state, so that the valve in the double wall gap of the inner drum is affected. It is opened by centrifugal force to solve the problem of draining the washing water in the inner cylinder.
  • the inner tube of the washing machine is a container whose opening is closed by a door cover and is closed during washing. At least part of the inner tube is a double wall with a hollow interlayer.
  • the inner tube is provided with a through double wall and a connected inner tube
  • the internal and external flow channels, the hollow interlayer is provided with a valve to control the on and off of the flow channel.
  • valve arranged in the interlayer gap to control the on-off of the flow passage can also be arranged in any form of valve body structure in the prior art, such as: centrifugal valve, solenoid valve, mechanical method, hydraulic valve and so on.
  • the side wall of the inner cylinder is composed of an inner wall and an outer wall separated by a gap, and the inner wall and the outer wall are respectively provided with through holes to form a flow channel connecting the inside and outside of the inner cylinder; preferably, The through holes provided on the inner layer wall and the outer layer wall are alternately arranged; further preferably, the through holes provided on the inner layer wall and the outer layer wall are arranged in sequence along the axis of the inner cylinder.
  • valve is installed in the gap between the inner wall and the outer wall.
  • the valve is a centrifugal valve that is driven by the centrifugal force of the inner cylinder to generate displacement action to correspondingly block or open the through hole provided in the inner wall, and / Or through holes provided in the outer wall.
  • the centrifugal valve includes a valve plug installed in the double-wall gap of the inner cylinder, and the outer wall of the inner cylinder is an inclined surface extending obliquely to the outside of the inner cylinder and forming an angle a with the axis of the inner cylinder; preferably, the inner cylinder The angle between the inner wall and the axis of the inner cylinder is b, and a is greater than b.
  • valve core extends in the direction parallel to the axis of the inner cylinder, and one end of the valve core is connected to the inner cylinder via an elastic member.
  • the inner cylinder provides the valve core with a reset elastic force to return to the initial position; when the valve core is in the initial position, the valve core correspondingly blocks the inner The through hole of the layer wall and/or the outer wall; after the valve core is moved by the centrifugal force to overcome the reset elastic force, the valve core opens the through hole of the inner wall and/or the outer wall to make the inner cylinder communicate with the outside; preferably
  • the gap between the double walls is provided with a limiting rib for limiting the rotation direction of the valve plug in the inner cylinder.
  • valve core is arranged in parallel with the outer wall on the side away from the inner cylinder, so that the valve core is in close contact with the outer wall and moves along the outer wall; preferably, the side of the valve core close to the inner cylinder and the inner wall
  • the walls are arranged in parallel, so that the valve core is in close contact with the inner wall.
  • valve core includes a counterweight that generates centrifugal force by its own gravity as the inner cylinder rotates; the outer circumference of the counterweight is wrapped with a sealing layer that can produce elastic deformation and correspondingly block the through holes of the inner wall and/or the outer wall .
  • the inner cylinder is provided with a plurality of flow passages passing through the double wall and connecting the inside and outside of the inner cylinder, and each flow passage is arranged symmetrically with respect to the axis of the inner cylinder; each flow passage is respectively installed with a centrifugal device corresponding to the on and off of the flow passage. valve.
  • any one of the outer wall and the inner wall is composed of a grid plate or a limit rod that provides a limit support for the valve core of the centrifugal valve, and the drain from the inner cylinder is arranged on the grid plate The hole or the gap on both sides of the limit rod is discharged.
  • the inner wall constitutes a cylindrical structure with one end open and one end closed, and the outer wall is a cylindrical structure covering all the inner wall; or, the inner wall constitutes a cylindrical structure with one end open and one end closed, and the outer layer The wall covers the part of the cylindrical inner wall; or, the outer wall forms a cylindrical structure with one end open and one end closed, and the inner wall covers the cylindrical outer wall part.
  • the washing machine of the present invention has the following beneficial effects:
  • the control valve By setting a valve in the double wall of the inner tub, the control valve opens after the rotation speed of the inner tub reaches the set value and penetrates the flow channel of the double wall to achieve the purpose of draining the washing machine; at the same time, washing and rinsing are performed normally in the washing machine.
  • the valve correspondingly closes the flow passage through the double wall, so that the inner tub can hold water, and the washing and rinsing procedures are executed normally, so that the clothes only contact the washing water in the sealed inner tub during the washing process, avoiding the inner and outer tubs In the meantime, the washing water flows into the inner tub and pollutes the clothes, which greatly improves the cleanliness of the washing machine.
  • the centrifugal valve By setting the valve as a centrifugal valve, the centrifugal valve is controlled to open and penetrate the flow channel of the double wall after the inner drum speed reaches the set value, so as to achieve the purpose of draining the washing machine; at the same time, when the washing machine normally performs washing and rinsing procedures , Due to the low rotation speed of the inner cylinder and the small centrifugal force on the centrifugal valve, the centrifugal valve correspondingly closes the flow path through the double wall, so that the inner cylinder can be filled with water, and the washing and rinsing procedures are performed normally, so that the clothes only In contact with the washing water in the sealed inner tub, the washing water between the inner and outer tubs is prevented from flowing into the inner tub and polluting the clothes, and the washing cleanliness of the washing machine is greatly improved.
  • the invention has a simple structure and significant effects, and is suitable for popularization and use.
  • Figure 1 is a schematic structural diagram of a washing machine in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the cross-sectional structure of the A-A section of FIG. 1 in the embodiment of the present invention
  • Fig. 3 is an enlarged schematic structural view of the centrifugal valve at B of Fig. 2 in the embodiment of the present invention when closed;
  • Fig. 4 is an enlarged schematic diagram of the structure when the centrifugal valve at B in Fig. 2 is opened in the embodiment of the present invention.
  • Inner cylinder Indicated in the figure: 1. Inner cylinder, 2. Housing, 3. Inner cylinder support, 4. Door cover, 5. Drive motor, 6. Inner wall, 7. Outer wall, 8. Interlayer gap; 9. Centrifugal valve, 11, drainage pipe, 12, drainage device, 61, first through hole, 71, second through hole, 91, valve core, 92, elastic member, 21, inner cylinder shaft, 101, inner cylinder mouth, 102 , The bottom of the inner cylinder, 103, the side wall of the inner cylinder.
  • the embodiment of the present invention introduces a washing machine.
  • the washing machine includes a housing 2 in which an inner tub 1 is arranged.
  • the axis of the inner tub 1 extends horizontally or gradually slopes downward from front to back.
  • the front end of the inner cylinder 1 is an inner cylinder mouth 101 with an opening, and the rear end is an inner cylinder bottom 102 with a seal.
  • the inner cylinder side wall 103 connects the inner cylinder mouth 101 and the inner cylinder bottom 102 to form the inner cylinder 1; 1 No through hole is provided on the cylinder wall, so that the inner cylinder 1 forms a sealed container with only the front opening.
  • a door cover 4 that can be opened outwards is installed at the front end of the washing machine housing 2 to close the inner tube opening 101 after the door cover 4 is closed, and to put clothes into the inner tube 1 from the inner tube opening 101 after opening the door cover 4 .
  • the inner tub 1 is installed in the washing machine housing 2 via the inner tub support 3.
  • the inner tub support 3 may be an outer tub that fits the inner tub 1 inside, or it may be a support only for support.
  • the upper and lower sides of the tub support 3 are respectively connected to the washing machine housing 2 via a shock-absorbing suspension spring and a shock-absorbing support rod, so that the inner tub support 3 can be installed in the washing machine housing 2 by vibration.
  • the center of the inner tub bottom 102 is coaxially arranged with the motor shaft of the washing machine driving motor 5 to drive the inner tub 1 to rotate, and both the inner tub 1 and the driving motor 5 are fixedly installed on the inner tub support 3.
  • the inner cylinder bottom 102 and the drive motor 5 are respectively arranged on both sides of the inner cylinder support 3, the drive motor 5 is fixedly connected to the inner cylinder support 3, and the motor shaft of the drive motor 5 passes through the inner cylinder support via a bearing 3 and coaxially and fixedly connected with the inner cylinder bottom 102, and the motor shaft of the drive motor 5 can rotate relative to the inner cylinder support 3, so that the inner cylinder 1 and the drive motor 5 are mounted on the inner cylinder support 3 and make the inner cylinder 1 The purpose of washing internal clothes by rotating independently under the action of the driving motor 5.
  • the motor shaft of the driving motor 5 directly constitutes the inner cylinder shaft 21, and the inner cylinder shaft 21 is coaxially fixedly connected with the inner cylinder bottom 102 of the inner
  • the washing machine in the embodiment of the present invention can be any washing machine in the prior art that has a door cover that closes the mouth of the inner tube and the inner tube forms a sealed container, so that when the washing machine executes a dehydration process, the inner tube is controlled to rotate at a high speed to reduce The water flow separated from the clothes in the inner tub is smoothly discharged out of the inner tub, so as to achieve the purpose of normally executing the dehydration process for the non-porous inner tub washing machine. Therefore, the washing machine in the embodiment of the present invention is not limited to the structure in the drawings. For example, if an existing ordinary washing machine is used, it is only necessary to set the washing machine inner tub 1 without a dehydration hole, and the door cover 4 is formed after the inner tub opening 101 is closed. Washing machine with sealed container.
  • the laundry only contacts the washing water in the sealed inner tub during washing, which prevents the washing water between the inner and outer tubs from flowing into the inner tub and polluting the clothes.
  • the occurrence of the washing machine greatly improves the cleanliness of the washing machine, and avoids the incomplete washing of the clothes caused by the washing water pollution between the inner and outer tubs.
  • the inner tub 1 of the washing machine is at least partially double-walled with a hollow interlayer.
  • the inner tub 1 is provided with a flow channel passing through the double-wall and connecting the inside and outside of the inner tub 1, and the interlayer gap 8.
  • the centrifugal valve By setting a centrifugal valve in the double wall of the inner cylinder, the centrifugal valve is controlled to open the flow channel through the double wall after the rotation speed of the inner cylinder reaches the set value, so as to perform the purpose of draining the washing machine; at the same time, the washing and rinsing procedures are normally performed in the washing machine
  • the centrifugal valve When the inner cylinder rotates at a low speed and the centrifugal valve receives less centrifugal force, the centrifugal valve correspondingly closes and penetrates the double-walled flow path, so that the inner cylinder can be filled with water, and the washing and rinsing procedures are executed normally, so that the clothes only In contact with the washing water in the sealed inner tub, the washing water between the inner and outer tubs is prevented from flowing into the inner tub and polluting the clothes, and the washing cleanliness of the washing machine is greatly improved.
  • the centrifugal valve that is set in the interlayer gap and controls the on-off of the flow passage can also be set to any other form of valve body structure in the prior art, such as solenoid valve, mechanical method, hydraulic valve, etc. .
  • the side wall 103 of the inner cylinder is composed of an inner wall 6 and an outer wall 7 separated by a gap.
  • the inner wall 6 and the outer wall 7 are respectively provided with through holes to form a communicating inner wall.
  • the through hole provided on the inner wall 6 is the first through hole 61
  • the through hole provided on the outer wall 7 is the second through hole 71.
  • the through holes provided on the inner wall 6 and the outer wall 7 are arranged alternately; further preferably, the through holes provided on the inner wall 6 and the outer wall 7 are arranged in sequence along the axis of the inner cylinder.
  • the first through hole 61 provided on the inner wall 6 and the second through hole 71 provided on the outer wall 7 are arranged in sequence along the direction parallel to the axis of the inner cylinder, so that the first through hole flows into the interlayer gap 8 After being buffered by the interlayer gap, the drained water is discharged from the second through hole, which adjusts the water pressure of the drain and avoids the phenomenon of splashing.
  • the centrifugal valve 9 is installed in the interlayer gap 8 between the inner wall 6 and the outer wall 7, and the spool 91 of the centrifugal valve 9 is driven by the centrifugal force of the inner cylinder 1 to move to correspondingly block Or open the first through hole 61 provided in the inner wall 6 and/or the second through hole 71 provided in the outer wall 7.
  • the centrifugal valve 9 includes a valve plug 81 installed in the interlayer gap 8 of the double wall of the inner cylinder 1.
  • the outer wall 7 of the inner cylinder 1 extends obliquely to the outside of the inner cylinder 1 and is connected to the inner cylinder 1.
  • the axis is inclined at an angle a.
  • the spool By slanting the outer wall outwards, the spool moves away from the axis of the inner cylinder when the spool is subjected to the centrifugal force of the rotation of the inner cylinder, and is guided by the inclined outer wall during the movement to produce an oblique displacement, thereby making the spool It moves in the axial direction of the inner cylinder to correspondingly open the through holes provided on the inner wall and/or the outer wall to realize the purpose of draining the washing water in the inner cylinder.
  • the angle between the inner wall of the inner cylinder and the axis of the inner cylinder is b, and a is greater than b, so that the inclination slope of the inner wall is smaller than the inclination slope of the outer wall, thereby ensuring the interlayer gap
  • the valve core moves along the outer wall to ensure the displacement of the valve core to prevent the through hole from being unable to open.
  • the valve core extends in the direction parallel to the axis of the inner cylinder, and one end of the valve core is connected to the inner cylinder via an elastic member.
  • the inner cylinder provides the valve core with a reset elastic force to return to the initial position; when the valve core is in the initial position, the valve core Correspondingly block the through holes of the inner wall and/or outer wall; after the spool is moved by the centrifugal force to overcome the reset elastic force, the spool opens the through holes of the inner wall and/or the outer wall to make the inner cylinder and the outside Connected.
  • the first through hole is on the inner wall and communicates with the middle of the interlayer gap
  • the second through hole is on the outer wall
  • the second through hole is opposite to the second through hole.
  • a through hole is arranged near the bottom side of the inner cylinder; the valve core is located in the interlayer gap, one end of the valve core away from the bottom of the inner cylinder is connected with the elastic member, and the other end of the elastic member is fixed to the inner wall surface of the interlayer gap on the mouth side of the inner cylinder.
  • the outer wall is an inclined surface that gradually slopes away from the axis of the inner cylinder from the bottom side of the inner cylinder to the mouth side of the inner cylinder.
  • the left and right sides of the valve plug in the rotation direction of the inner cylinder are respectively provided with limit ribs, which are located in the gap between the double walls and are connected to at least one layer of the double wall. It extends in parallel to the axis of the inner cylinder.
  • the valve core is arranged parallel to the outer wall on the side away from the inner cylinder, so that the centrifugal valve can ensure that the valve core is in close contact with the outer wall and moves along the outer wall regardless of the state.
  • the side of the valve core near the inner cylinder is arranged in parallel with the inner wall, so that the valve core is in close contact with the inner wall when the valve core is in the closed state, and the sealing performance of the valve core when the valve core is closed is ensured.
  • the valve core of the centrifugal valve includes a counterweight that generates centrifugal force by its own gravity as the inner cylinder rotates; the outer circumference of the counterweight is wrapped with elastic deformation and correspondingly block the inner wall and/or outer wall.
  • the sealing layer of the through hole of the layer wall By setting the centrifugal valve core as a double-layer structure with a central counterweight and an outer layer wrapped with an elastic layer, the valve core can generate centrifugal force by its own weight, and can effectively seal the through hole by using the outer elastic material.
  • the inner cylinder is provided with a plurality of flow passages passing through the double wall and connecting the inside and outside of the inner cylinder, and each flow passage is arranged symmetrically with respect to the axis of the inner cylinder; each flow passage is respectively installed with a corresponding control flow passage On-off centrifugal valve.
  • a plurality of symmetrically arranged centrifugal valves are arranged on the inner cylinder, so that the center of gravity of the inner cylinder is still on the axis line, thereby ensuring the stability of the rotation of the inner cylinder.
  • the drainage channels on the inner cylinder are increased, and the drainage rate is improved.
  • any one of the outer wall and the inner wall may be composed of a grid plate or a limit rod that provides a limit support for the valve core of the centrifugal valve, and the drain from the inner cylinder is from the grid plate
  • the grid holes arranged or the gaps on both sides of the limit rod are discharged.
  • the inner wall constitutes a cylindrical structure with one end open and one end closed, and the outer wall is a cylindrical structure covering the inner wall entirely; or the inner wall constitutes a cylindrical structure with one end open and one end closed.
  • the outer wall covers the part of the cylindrical inner wall; or, the outer wall constitutes a cylindrical structure with one end open and one end closed, and the inner wall covers the part of the cylindrical outer wall.
  • the outer circumference of the outer layer wall is connected with the inner layer wall, or the outer circumference of the inner layer wall is connected with the outer layer wall, so that the interlayer gap constitutes a cavity sealed on the outer circumference.
  • the first through hole provided on the inner wall is in the same radial cross section of the inner cylinder, and the side wall of the inner cylinder is of a diameter increasing from both ends to the first through hole in the cross section direction. It is arranged to ensure that the water in the inner cylinder flows against the wall under the action of centrifugal force, and converges to the first through hole.
  • an inner tub support 3 composed of an outer tub is arranged outside the inner tub 1 of the washing machine to collect the drain water flowing out of the inner tub and then discharge it to the outside.
  • the upper part, the shock-absorbing suspension spring, and the lower part of the inner tube support 3 are respectively connected to the washing machine housing 2 through the shock-absorbing support, so that the inner tube support 3 can be installed in the washing machine housing 2 so as to generate vibration displacement.
  • the inner cylinder support 3 coaxially covers the inner cylinder bottom 102, the inner cylinder support 3 is mounted with a drive motor 5 away from the inner cylinder side, and the inner cylinder shaft 21 passes through the water collecting pan 7, and one end is connected to the inner cylinder bottom.
  • 102 is coaxially connected, and the other end is directly connected to the driving motor 5 or connected to the driving motor 5 via a deceleration clutch.
  • an auxiliary stirring device such as a pulsator, a stirring column, etc.
  • the drive shaft of the auxiliary stirring device passes through the inner tub bottom 102 and then passes through the water collecting tray. After 7 it is directly connected to the motor or to the drive motor 5 via the deceleration clutch.
  • the bottom of the inner cylinder support 3 is connected to the drain pipe 11, and the drain pipe 11 is provided with a control device 12 for controlling the flow of water in the pipeline; the control device 12 can be used for water supply and drainage.
  • the drain pump used to drain the washing machine can also be a drain valve for draining the lower drain washing machine.
  • the inner cylinder shaft 21 passes through the water collecting pan 7, and the penetrating end of the inner cylinder shaft 21 is directly connected to the driving motor or via a transmission device.
  • the inner tube shaft 2 is composed of a sleeve with a hollow inside, and the inner hollow part forms a channel communicating with the inside of the inner tube 1; the end of the inner tube shaft 21 passing through the water collecting tray 7 is connected to the water intake structure of the washing machine, so that the washing machine Influent water enters the inner cylinder 1 through the flow channel formed by the hollow part of the inner cylinder shaft 21.

Abstract

L'invention concerne une machine à laver. Un tambour interne (1) de la machine à laver est un récipient qui est étanche à l'air pendant le lavage après qu'une ouverture est fixée par un couvercle de porte (4), au moins une partie du tambour interne (1) est une paroi à double couche ayant une couche intermédiaire creuse, le tambour interne (1) est pourvu d'un canal d'écoulement traversant la paroi à double couche et reliant l'intérieur et l'extérieur du tambour interne (1), et une soupape destinée à commander l'ouverture et la fermeture du canal d'écoulement est disposée dans la couche intermédiaire creuse. La soupape est disposée dans la paroi à double couche du tambour interne (1), de telle sorte que la soupape est commandée pour être ouverte et pénétrer dans le canal d'écoulement de la paroi à double couche après qu'une vitesse de rotation du tambour interne (1) atteint une valeur définie, ce qui permet d'atteindre le but consistant à exécuter un drainage de machine à laver ; en outre, lorsque la machine à laver exécute normalement des programmes de lavage et de rinçage, la soupape scelle de manière correspondante le canal d'écoulement pénétrant dans la paroi à double couche, et le tambour interne (1) peut contenir de l'eau et ainsi exécuter normalement les programmes de lavage et de rinçage, de telle sorte que, dans un processus de lavage, le linge est uniquement en contact avec l'eau de lavage dans le tambour interne (1) scellé, empêchant le scénario dans lequel l'eau de lavage entre le tambour interne et un tambour externe s'écoule dans le tambour interne (1) et contamine le linge, et améliorant considérablement la propreté de lavage de la machine à laver.
PCT/CN2020/089769 2019-05-28 2020-05-12 Machine à laver WO2020238612A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910451632.2A CN112011945B (zh) 2019-05-28 2019-05-28 一种洗衣机
CN201910451632.2 2019-05-28

Publications (1)

Publication Number Publication Date
WO2020238612A1 true WO2020238612A1 (fr) 2020-12-03

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Application Number Title Priority Date Filing Date
PCT/CN2020/089769 WO2020238612A1 (fr) 2019-05-28 2020-05-12 Machine à laver

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CN (1) CN112011945B (fr)
WO (1) WO2020238612A1 (fr)

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CN115058865A (zh) * 2022-07-01 2022-09-16 无锡小天鹅电器有限公司 一种衣物处理设备及控制方法

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