EP3971337B1 - Machine à laver - Google Patents

Machine à laver Download PDF

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Publication number
EP3971337B1
EP3971337B1 EP20809562.0A EP20809562A EP3971337B1 EP 3971337 B1 EP3971337 B1 EP 3971337B1 EP 20809562 A EP20809562 A EP 20809562A EP 3971337 B1 EP3971337 B1 EP 3971337B1
Authority
EP
European Patent Office
Prior art keywords
inner drum
guide channel
water
water guide
washing machine
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP20809562.0A
Other languages
German (de)
English (en)
Other versions
EP3971337A4 (fr
EP3971337C0 (fr
EP3971337A1 (fr
Inventor
Sheng Xu
Zhiqiang Zhao
Peishi Lv
Xinyu Zhao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Drum Washing Machine Co Ltd
Haier Smart Home Co Ltd
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 Qingdao Haier Drum Washing Machine Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Drum Washing Machine Co Ltd
Publication of EP3971337A1 publication Critical patent/EP3971337A1/fr
Publication of EP3971337A4 publication Critical patent/EP3971337A4/fr
Application granted granted Critical
Publication of EP3971337C0 publication Critical patent/EP3971337C0/fr
Publication of EP3971337B1 publication Critical patent/EP3971337B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D06F23/025—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 with a rotatable imperforate tub
    • 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
    • D06F39/083—Liquid discharge or recirculation arrangements

Definitions

  • the invention relates to the technical field of washing machines, and particularly herein relates to a washing machine comprising an inner drum being a closed container during washing after an opening is fastened by a lid, wherein the inner drum is provided with at least a hole, and a centrifugal valve.
  • Washing machines of this type are equally known from WO 2018/205933 A1 , WO 02/04734 A1 , and JP H08 155190 A
  • the drum washing machine generally includes an inner drum and an outer drum nested together, the outer drum is used to hold water, the inner drum is used to hold clothes, and the inner drum is rotated to beat and wash the clothes.
  • the inner drum is provided with dehydration holes so that the water in the outer drum flows into the inner drum through the dehydration holes to soak the clothes in the inner drum, and the water in the inner drum flows out to the outer drum through the dehydration holes, the moisture on the clothes in the inner drum is discharged to the outer drum through the dehydration holes when the inner drum rotates at a high speed to achieve the purpose of washing the clothes.
  • the washing process of the washing machine is to beat and wash the clothes through the rotation of the inner drum, so that the washing capacity of the washing machine is depended on the inner drum, and the internal space usage rate of the washing machine is low, unable to expand the washing capacity of the washing machine on the existing basis.
  • the technical problem to be solved by the invention is to overcome the shortcomings of the prior art and provide a washing machine.
  • the washing machine is in a drain or dehydration process, the inner drum is rotating at a high speed, so that the centrifugal valve in the inner drum water guide channel is opened by centrifugal force to solve the problem of the washing water in the inner drum being drained out.
  • the present invention provides a washing machine comprising the features of claim 1.
  • the centrifugal valve is provided in the water guide channel to control the centrifugal valve to open the water guide channel after the rotational speed of the inner drum reaches a set value so as to achieve the purpose of draining the washing machine.
  • the centrifugal valve is enabled to accordingly close the water guide channel, and the inner drum is enabled to contain water and normally execute washing and rinsing procedures, so that the clothes are only in contact with the washing water in the sealing inner drum during washing, which prevents the washing water between inner and outer drums from flowing into the inner drum and contaminating the clothes, and significantly improves the cleanliness of washing of the washing machine.
  • the centrifugal valve is arranged in the inclined portion of the water guide channel to ensure that the valve core of the centrifugal valve is driven by centrifugal force to move along the inclined portion of the water guide channel and the water outlet end of the water guide channel to correspondingly open the water guide channel.
  • the disclosure has a simple structure, significant effects, and is suitable for popularization and use.
  • installment and “connection” should be treated according to generalized understanding. For example, they can be understood as fixed connection, detachable connection or integrated connection. Also, they can mean mechanical connection or electrical connection. They can also represent direct connection or indirect connection. The person skilled in the art are able to understand the specific meaning of the above terms in the disclosure according to the specific situation.
  • an embodiment of the disclosure introduces a washing machine
  • the washing machine includes a shell 2 with an inner drum 1 inside the shell 2, and the axis of rotation of the inner drum 1, in the following referred to as "axis", extends horizontally or gradually inclines downward from front to rear, the front end of the inner drum 1 is an inner drum opening 101 with an opening, and the rear end is an inner drum bottom 102 with a seal.
  • the side wall of the inner drum 103 connects the inner drum opening 101 and the inner drum bottom 102 to form the inner drum 1; there is no through holes on the wall of the inner drum 1, so that the inside of the inner drum 1 constitutes a sealed container with only the front opening.
  • a lid 4 that can be opened outwards is installed at the front end of the washing machine shell 2 to close the inner drum opening 101 after the lid 4 is closed, and to put clothes into the inner drum 1 from the inner drum opening 101 after the lid 4 is opened.
  • the rear end of the inner drum 1 is installed in the washing machine shell 2 via the inner drum support 3, the inner drum support 3 is coaxially arranged with the rear end of the inner drum 1.
  • the upper and lower ends of the inner drum support 3 are respectively bent to the direction of the front end of the inner drum 1, the bending portion extends to at least the middle of the inner drum 1, and the upper and lower bending portions are respectively connected to the washing machine shell 2 via a shock-absorbing suspension spring and a shock-absorbing support rod, to achieve the purpose that the inner drum support 3 can be vibrated and installed in the washing machine shell 2.
  • the center of the inner drum bottom 102 is coaxially arranged with the motor shaft of the washing machine drive motor 5 to drive the inner drum 1 to rotate, the inner drum 1 and the drive motor 5 are both fixedly mounted on the inner drum support 3.
  • the inner drum bottom 102 and the drive motor 5 are respectively arranged on both sides of the inner drum support 3, and the drive motor 5 is fixedly connected to the inner drum support 3, the motor shaft of the drive motor 5 passes through the inner drum support 3 through a bearing and is coaxially fixedly connected with the inner drum bottom 102, and the motor shaft of the drive motor 5 can rotate relative to the inner drum support 3, in order to achieve the purpose of installing the inner drum 1 and the drive motor 5 on the inner drum support 3, and allowing the inner drum 1 to rotate independently under the action of the drive motor 5 to wash the inner clothes.
  • the motor shaft of the drive motor 5 directly constitutes the inner drum shaft 21, and the inner drum shaft 21 is coaxially fixedly connected with the inner drum bottom 102 of the inner drum 1.
  • the washing machine in the embodiment of the disclosure may be any washing machine in the prior art that has a lid that closes the opening of the inner drum and the inner drum forms a sealed container.
  • the inner drum is controlled to rotate at a high speed to smoothly discharge the water flow from the clothes in the inner drum out of the inner drum, so as to achieve the normal execution of the dehydration program for the non-porous inner drum washing machine. Therefore, the washing machine in the embodiment of the disclosure is not limited to the structure in the drawings, such as: with the existing ordinary washing machine, only the inner drum 1 of the washing machine needs to be set as a washing machine without a dehydration hole and the lid 4 closes the inner drum opening 101 to form a sealed container.
  • the washing machine forms a sealed container during washing, which prevents the washing water between inner and outer drums from flowing into the inner drum 1 and contaminating the clothes, and significantly improves the cleanliness of washing of the washing machine. It avoids the incomplete washing of clothes caused by the washing water pollution between the inner and outer drums.
  • the hole 6 is set on the inner drum, so that when the inner drum speed is lower than the set value during the normal washing and rinsing process of the inner drum, the hole 6 is closed, so that the inner drum directly constitutes the contain water tank for containing washing and rinsing water to use the washing and rinsing water stored in the inner drum to wash or rinse clothes.
  • the hole 6 is opened, so that the water in the inner drum directly flows out through the hole 6.
  • a water collection disk 7 is provided outside the inner drum 1 of the washing machine.
  • the water collection disk 7 may be directly constituted by the inner drum support 3, or may be an independent piece installed on the inner drum support 3, and it may also be an independent piece provided independently of the inner drum support 3.
  • the water collection disk 7 constitutes a chamber for the drain water flowing out of the inner drum, and the water collection disk 7 is connected with the drain pipe 11 of the washing machine, so that the drain water flows out from the hole 6 is collected by the water collection disk 7 into the drain pipe 11, and then out of the washing machine.
  • a water guide channel 10 is provided on the inner drum 1 of the washing machine, the water inlet end of the water guide channel 10 is connected to the hole 6, and the water outlet end is connected to the water collection disk 7, and the drained water from the inner drum of the washing machine flows into the water collection disk 7 through the water guide channel 10.
  • a centrifugal valve 9 that controls the on-off of the channel is provided on the water guide channel 10, after the rotation speed of the inner drum reaches a set value, the valve core 91 of the centrifugal valve 9 opens the water guide channel 10 under the action of centrifugal force.
  • the centrifugal valve is provided in the water guide channel to control the centrifugal valve to open the water guide channel after the rotational speed of the inner drum reaches a set value so as to achieve the purpose of draining the washing machine.
  • the centrifugal valve is enabled to accordingly close the water guide channel, and the inner drum is enabled to contain water and regularly execute washing and rinsing procedures, so that the clothes are only in contact with the washing water in the sealing inner drum during washing, which prevents the washing water between inner and outer drums from flowing into the inner drum and contaminating the clothes, and significantly improves the cleanliness of washing of the washing machine.
  • the centrifugal valve 9 comprises a valve core 91, and the valve core 91 can be movably installed in the water guide channel 10, and in the initial position, the valve core 91 blocks corresponding cross-section of the water guide channel; an elastic member 92 which is clamped between the valve core 91 and the water guide channel 10 to limit the movement of the valve core 91 and provide a force to the valve core 91 to reset to the initial position.
  • at least one cross section of the valve core 91 corresponds to block the inner wall of the water guide channel 10 to close and block the water guide channel 10.
  • the water guide channel 10 extends at least partially in the direction deviating from the axis of the inner drum 1, and the centrifugal valve 9 is installed at the inclined part of the water guide channel 10. After the inner drum 1 reaches the set speed, the centrifugal valve 9 is driven by the centrifugal force and move to open the water guide channel 10 correspondingly.
  • the inclined part extends along the direction of the water flow in the water guide channel 10 and gradually extends to the side away from the axis of the inner drum, to ensure that the water flow in the water guide channel is driven by centrifugal force to flow at the outlet end of the water guide channel. It also can ensure that the valve core of the centrifugal valve is driven by centrifugal force to move along the inclined portion of the water guide channel and the water outlet end of the water guide channel to correspondingly open the water guide channel.
  • the hole 6 is arranged on the side wall of the inner drum 103; preferably, the hole 6 is located on the side wall of the inner drum 103 near the side of the inner drum opening 101.
  • the water guide channel 10 extends in the direction parallel to the axis of the inner drum 1, the end of the water guide channel 10 close to the inner drum opening 101 side is sealed, and the water guide channel 10 is set close to the end opening of the inner drum bottom 102 side.
  • the end of the water guide channel 10 close to the inner drum bottom 102 coincides with at least part of the annular flange 14 of the water collection disk 7 in the vertical direction, so that the water outlet end of the water guide channel 10 extends into the water collection disk 7, so that the drainage flowing out of the water guide channel 10 can all flow into the water collection disk 7.
  • the axis of the water outlet end of the water guide channel 10 is arranged parallel to the axis of the inner drum 1, so that the water flowing out of the water guide channel 10 can be sprayed in the horizontal direction, so that the water jet flowing into the water collection disk 7 is guided by the disc-shaped structure 14 flow down until it flows into the drain pipe 11 at the bottom end of the water collection disk 7.
  • the water guide channel 10 may be provided on the outer wall of the side wall of the inner drum 103, and the water guide channel 10 is arranged protruding from the outer wall of the side wall of the inner drum 103, so that the water guide channel 10 is outside the inner drum.
  • the water guide channel 10 extends along the structure line of the side wall of the inner drum 103, the side close to the inner drum opening 101 of the water guide channel 10 is sealed, and the side close to the inner drum bottom 102 is open.
  • the side wall of the inner drum 103 is provided with a hole 6 communicating with the water guide channel 10, and the hole 6 is located at the middle of the inner drum 1 or close to the inner drum opening 101. There is a certain gap between the side of the water guide channel 10 away from the inner drum 1 and the annular flange 14 of the water collection disk 7, so as to ensure that the water guide channel 10 will not interfere with the water collection disk 7 during the rotation of the inner drum 1.
  • the water guide channel 10 may be provided on the inner wall of the side wall of the inner drum 103, and the water guide channel 10 is arranged protruding from the inner wall of the side wall of the inner drum 103, so that the water guide channel 10 is inside the inner drum.
  • the water guide channel 10 extends along the structure line of the side wall of the inner drum 103, and the side close to the inner drum opening 101 of the water guide channel 10 is sealed, and the side close to the inner drum bottom 102 is provided with a water outlet passing through the inner drum bottom 102.
  • the side wall of the inner drum 103 is provided with the hole 6 communicating with the water guide channel 10, and the hole 6 is located at the middle of the inner drum 1 or close to the inner drum opening 101.
  • the water outlet of the water guide channel 10 is located at the outer periphery of the inner drum bottom 102 and is arranged opposite to the disc-shaped structure of the water collection disk 7 to ensure that the washing drainage water jetted from the water outlet is blocked by the disc-shaped structure and flows downward.
  • the wall thickness of the side wall of the inner drum 103 to provide the water guide channel 10 inside the side wall of the inner drum 103, and it can also achieve the purpose of draining water from the hole 6 of the inner drum to flow into the water collection disk 7 along the water guide channel 10.
  • the water guide channel 10 extends along the structural line of the side wall of the inner drum, the inner wall of the water guide channel 10 away from the axis of the inner drum 1 is inclined, and the inclined surface is arranged obliquely away from the inner drum 1 side along the water flow direction of the water guide channel 10, so that the valve core 91 is acted on by the centrifugal force of the rotating inner drum 1 to move along the inclined surface in the direction of the water outlet of the water guide channel 10.
  • the radial width of the water guide channel 10 is gradually increased along the water flow direction, so that after the valve core 91 is moved toward the water outlet by the centrifugal force, a gap is constituted between the outer periphery of the valve core 91 and the inner wall of the water guide channel 10 which the water flow passes, so that the water guide channel 10 is opened for draining.
  • the valve core 91 is held in the initial position by the action of the elastic member 92, at least one cross section of the valve core 91 is correspondingly in contact with the inner wall of the water guide channel 10 to block the water guide channel 10.
  • the side of the water guide channel 10 away from the axis of the inner drum 1 is an inclined surface that gradually inclines away from the axis of the inner drum from the hole 6 toward the water collection disk 7, and to ensure that the drainage water flows into the water collection disk 7 along the inclined surface of the water guide channel 10.
  • the water guide channel 10 is arranged at the outer wall of the side wall of the inner drum 103.
  • the outer wall of the side wall of the inner drum 103 has extension ribs extending outward, and the extension ribs extend parallel to the axis of the inner drum 1, and the left and right sides of the extension ribs are respectively sealed and connected with the side wall of the inner drum 103, the end of the extension ribs close to the inner drum opening 101 is in sealed connection with the side wall of the inner drum 103, and the end close to the inner drum bottom 102 is spaced apart from the side wall of the inner drum 103, so that the extension ribs and the side wall of the inner drum 103 jointly enclose the water guide channel 10.
  • the inner wall surface of the water guide channel 10 on the side away from the axis of the inner drum 1 is an inclined surface that gradually inclines downward from the inner drum opening 101 to the inner drum bottom 102, and to guide the washing water flowing into the water guide channel 10 to flow along the inclined surface of the water outlet end of the water guide channel 10 under the action of centrifugal force.
  • the inner wall of the side wall of the inner drum 103 has extension ribs extending inwardly, and the extension ribs extend parallel to the axis of the inner drum 1, the left and right sides of the extension ribs are respectively sealed and connected with the side wall of the inner drum 103, the end of the extension ribs close to the inner drum opening 101 is in sealed connection with the side wall of the inner drum 103, and the end close to the inner drum bottom 102 is spaced apart from the side wall of the inner drum 103, so that the extension ribs and the side wall of the inner drum 103 jointly enclose the water guide channel 10.
  • the inner drum bottom 102 is provided with through holes arranged opposite to the above interval, to ensure that the washing water in the water guide channel 10 can be discharged smoothly.
  • the valve core 91 is installed in the water guide channel 10, the downstream side of the valve core 91 is connected with an elastic member 92 extending in the direction of water flow, and the other end of the elastic member 92 is fixedly connected with the water guide channel 10 and/or the inner drum 1.
  • the elastic member 92 is a spring, and the spring extends along the axis of the water guide channel 10; one end of the spring is directly or indirectly fixedly connected to the inner wall of the water guide channel 10 through the bracket, and the other end is fixedly connected to the valve core 91, in order to open the water guide channel 10 after the valve core 91 is subjected to centrifugal force.
  • the first side of the valve core 91 corresponds to the outer wall surface of the side wall of the inner drum 101, and the second side of the valve core 91 is in close contact with the side of the water guide channel 10 away from the inner drum.
  • the side of the valve core facing the axis of the inner drum is flush with the side wall of the inner drum.
  • the first side is in close contact with the outer wall of the side wall of the inner drum to form a surface contact with better sealing performance, thereby improving the sealing performance of the centrifugal valve when blocking the water guide channel.
  • the following settings can be made: the first side of the valve core 91 and the side wall of the inner drum 101 are parallel planes; and the second side of the valve core 91 and the side of the water guide channel 10 away from the inner drum have the same slope and parallel slopes. Therefore, when the valve core of the centrifugal valve is acted on by the centrifugal force of the inner drum rotation, the valve core slides smoothly along the second side where it meets the inner wall of the water guide channel. Since the second side of the valve core is parallel to the inner wall surface of the water guide channel, friction is reduced during the sliding process of the valve core and provides a guiding effect for the movement of the valve core.
  • the side far away from the axis of the inner drum 1 can be set as a part, or a plurality of parts, or all of which are inclined planes that gradually incline away from the axis of the inner drum from the hole 6 to the water collection disk 7, and it can also achieve the purpose of smoothly draining the water flowing into the water guide channel.
  • the above-mentioned centrifugal valve 9 is installed in each water guide channel 10 of the inner drum 1 in one-to-one correspondence, after the rotational speed of the inner drum 1 reaches the set value, the valve core 91 that controls each centrifugal valve 9 is acted by the rotating centrifugal force of the inner drum 1 to open the water guide channel 10.
  • a water collection disk 7 is provided outside the inner drum 1 of the washing machine, and the water collection disk 7 is provided at one end of the inner drum 1.
  • the water collection disk 7 is arranged at the inner drum bottom 102.
  • the water collection disk 7 includes a disc-shaped structure 13 covering the end of the inner drum, and the outer circumference of the disc-shaped structure 13 exceeds the outer circumference of the inner drum bottom 102; the outer circumference of the disc-shaped structure 13 is provided with an annular flange 14 extending to the other end of the inner drum, the annular flange 14 is at least partially overlapped with the side wall of the inner drum 103, and the gap between the inner circumference of the annular flange 14 and the outer wall of the side wall of the inner drum 103.
  • the disc-shaped structure 13 and the annular flange 14 of the water collection disk 7 form a cavity that is opened toward the inner drum 1 and is used for the inner drum 1 to flow from the hole 6 to contain the water.
  • the water collection disk 7 directly constitutes the inner drum support 3, the upper part of the water collection disk 7 is respectively connected to the washing machine shell 2 via the shock-absorbing suspension spring and the lower part through the shock-absorbing support rod, in order to install the water collection disk 7 in the washing machine shell 2 capable of generating vibration displacement.
  • the water collection disk 7 is coaxially installed on the inner drum bottom 102, and a drive motor 5 is installed on the side of the water collection disk 7 away from the inner drum, the inner drum shaft 21 passes through the water collection disk 7, and one end is respectively coaxially connected with the inner drum bottom 102, and the other end is directly connected to the drive motor 5, or is connected to the drive motor 5 through a reduction clutch.
  • an auxiliary stirring device such as a wave wheel, a stirring column, etc.
  • the drive shaft of the auxiliary stirring device passes through the inner drum bottom 102, and then passes through the water collection disk 7 and is directly connected to the motor, or is connected to the drive motor 5 through the deceleration clutch.
  • the water collection disk 7 is connected to the drain pipe 11, and the drain pipe 11 is provided with a control device 12 for controlling the water flow in the pipeline.
  • the control device 12 may be a drain pump for draining the upper drain washing machine or a drain valve for draining the lower drain washing machine.
  • the lowest part of the annular flange 14 of the water collection disk 7 is connected with the drain pipe 11, in order to ensure that all the water flowing into the water collection disk 7 can flow out from the drain pipe 11.
  • the end of the annular flange 14 of the water collection disk 7 is provided with a circle of inner flange 15 extending in the axial direction of the inner drum 1, and the inner flange 15 is in contact with or close to the outer wall surface of the side wall of the inner drum 103 to ensure the sealing of the chamber enclosed by the water collection disk 7, thereby avoiding the problem of water flowing into the water collection disk 7 from flowing out of the open opening.
  • the water guide channel 10 can be provided at the outer wall surface of the side wall of the inner drum 103, the water guide channel 10 is at least partially arranged to coincide with the annular flange 14 of the water collection disk 7 in the vertical direction, so that the water outlet of the water guide channel 10 extends into the water collection disk 7.
  • the annular flange 14 of the water collection disk 7 is provided with an inner flange extending in the radial direction of the inner drum 1 and in the axial direction of the inner drum 1 on the side close to the inner drum opening 101, the extension end of the inner flange 15 and the side of the water guide channel 10 away from the inner drum 1 are close to, or arranged in close contact with each other, to ensure that the water flowing into the water collection disk 7 will not flow out from the side of the water collection disk 7 near the inner drum opening 101.
  • the water guide channel 10 can also be arranged at the inner side of the side wall of the inner drum 103 or inside the side wall of the inner drum 103, the annular flange 14 of the water collection disk 7 is provided with an inner flange 15 near the end of the inner drum opening 101 side, and the extension end of the inner flange 15 is close to or in close contact with the outer wall of the side wall of the inner drum 103, and it can also ensure that the water flowing into the water collection disk 7 will not flow out from the water collection disk 7 near the opening side of the inner drum.
  • a ring of dynamic seal 17 is provided between the inner flange 15 and the side wall of the inner drum 103 of the inner drum, to seal the junction between the inner flange 15 and the side wall of the inner drum 103, and in order to realize the sealing treatment of the chamber enclosed by the water collection disk 7, it is further ensured that the water flowing into the water collection disk 7 and will not leak.
  • the inner drum shaft 21 passes through the water collection disk 7, and the penetrating end of the inner drum shaft 21 is directly connected to the drive motor or via a transmission device.
  • the inner drum 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 drum 1; one end of the inner drum shaft 21 passing through the water collection disk 7 communicates with the water intake structure of the washing machine, and make the washing machine water enter the inner drum 1 through the flow channel formed by the hollow part of the inner drum shaft 21.
  • a drive motor 5 composed of a direct drive motor is installed on the water collection disk 7; the direct drive motor is coaxially arranged with the inner drum 1.
  • the direct drive motor includes a rotor and a stator that are coaxially arranged, and both the rotor and the stator are arranged coaxially with the inner drum 1, to ensure that the center of gravity of the direct drive motor is on the axis of rotation of the inner drum 1, thereby ensuring the stability of the washing machine during operation.
  • a motor connected to the transmission device is installed on the water collection disk 7, and the transmission device can be any existing transmission structure such as pulleys, gear sets, etc.

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

Claims (15)

  1. Une machine à laver, comprenant:
    un tambour interne (1) étant un contenant fermé pendant le lavage après qu'une ouverture est fermée par un couvercle (4);
    le tambour interne (1) est pourvu d'au moins un trou (6), et une soupape centrifuge (9);
    dans laquelle
    le tambour interne (1) est pourvu d'un canal de guidage d'eau (10) dans lequel l'eau évacuée du trou (6) peut être guidée vers un disque de collecte d'eau (7);
    le canal de guidage d'eau (10) s'étend au moins partiellement dans une direction s'écartant d'un axe de rotation du tambour interne (1) et comporte une partie inclinée étant inclinée par rapport à l'axe de rotation du tambour interne (1);
    le canal de guidage de l'eau (10) est pourvu de la soupape centrifuge (9) destinée à commander la marche et l'arrêt du canal de guidage d'eau (10);
    la soupape centrifuge (9) est installée au niveau de la partie inclinée du canal de guidage d'eau (10);
    la soupape centrifuge (9) comprend
    un noyau de soupape (91) étant installé de manière mobile dans le canal de guidage d'eau (10), et bloquant en conséquence une section transversale du canal de guidage d'eau (10) dans une position initiale; et
    un élément élastique (92) étant serré entre le noyau de soupape (91) et le canal de guidage d'eau (10) pour limiter le mouvement du noyau de soupape (91) et exerçant une force sur le noyau de soupape (91) pour revenir à la position initiale;
    après rotation du tambour interne (1) à une vitesse définie, le noyau de soupape (91) de la soupape centrifugeuse (9) est entraîné par la force centrifuge et se déplace le long d'une paroi interne de la partie inclinée du canal de guidage d'eau (10) pour ouvrir le canal de guidage d'eau (10) en conséquence.
  2. La machine à laver selon la revendication 1, caractérisée en ce que,
    le canal de guidage d'eau (10) s'étend le long d'une paroi latérale du tambour interne (103);
    une paroi interne du canal de guidage d'eau (10) à l'écart de l'axe du tambour interne (1) est une surface inclinée;
    et la surface inclinée est disposée obliquement à l'écart du tambour interne (1) le long d'une direction d'écoulement d'eau du canal de guidage d'eau (10), de telle sorte que le noyau de soupape (91) est actionné par la force centrifuge du tambour interne (1) tournant pour se déplacer le long de la surface inclinée en direction d'une sortie d'eau du canal de guidage d'eau (10).
  3. La machine à laver selon la revendication 2, caractérisée en ce que,
    une largeur radiale du canal de guidage d'eau (10) est progressivement augmentée le long de la direction d'écoulement d'eau, de sorte qu'après que le noyau de soupape (91) est déplacé vers la sortie d'eau sous l'action de la force centrifuge, un espace permettant le passage du flux d'eau est formé entre une périphérie externe du noyau de soupape (91) et la paroi interne du canal de guidage d'eau (10), et le canal de guidage d'eau (10) est ouvert.
  4. La machine à laver selon la revendication 3, caractérisée en ce que lorsque le noyau de soupape (91) est à la position initiale au moyen de l'élément élastique (92), au moins une section transversale du noyau de soupape (91) est en conséquence en contact avec la paroi interne du canal de guidage d'eau (10) pour bloquer le canal de guidage d'eau (10).
  5. La machine à laver selon la revendication 3 ou 4, caractérisée en ce que,
    le noyau de soupape (91) est installé dans le canal de guidage d'eau (10);
    un côté en aval du noyau de soupape (91) est relié à l'élément élastique (92) s'étendant dans la direction d'écoulement d'eau;
    une autre extrémité de l'élément élastique (92) est reliée de manière fixe au canal de guidage d'eau (10) et/ou au tambour interne (1).
  6. La machine à laver selon la revendication 5, caractérisée en ce que l'élément élastique (92) est un ressort.
  7. La machine à laver selon la revendication 5 ou 6, caractérisée en ce qu'un espace permettant le passage de l'eau est formé entre l'élément élastique (92) et la paroi interne du canal de guidage d'eau (10).
  8. La machine à laver selon l'une des revendications 1 à 7, caractérisée en ce que,
    un premier côté du noyau de soupape (91) est en contact avec une surface de paroi externe de la paroi latérale du tambour interne (103), et un deuxième côté du noyau de soupape (91) est en contact avec un côté du canal de guidage d'eau (10) à l'écart du tambour interne (1).
  9. La machine à laver selon la revendication 8, caractérisée en ce que le premier côté du noyau de soupape (91) et la paroi latérale du tambour interne (103) sont des plans parallèles; et le deuxième côté du noyau de soupape (91) et le côté du canal de guidage d'eau (10) à l'écart du tambour interne (1) sont des pentes parallèles ayant une même pente.
  10. La machine à laver selon l'une quelconque des revendications 1 à 9, caractérisée en ce que, le disque de collecte d'eau (7) est disposé à l'extérieur d'une extrémité du tambour interne (1);
    le disque de collecte d'eau (7) comprend une structure en forme de disque (13) couvrant l'extrémité du tambour interne (1), et une circonférence externe de la structure en forme de disque (13) est pourvue d'une bride annulaire (15) s'étendant jusqu'à une autre extrémité du tambour interne (1), et un espace est formé entre une circonférence interne de la bride annulaire (15) et une paroi externe du tambour interne (1);
    une extrémité de sortie d'eau du canal de guidage d'eau (10) s'étend dans l'espace entre la circonférence interne de la bride annulaire (15) et la paroi externe du tambour interne (1).
  11. La machine à laver selon la revendication 10, caractérisée en ce que l'extrémité de sortie d'eau du canal de guidage d'eau (10) s'étend jusqu'à la structure en forme de disque (13) du disque de collecte d'eau (7), et un espace permettant le passage de l'eau est formé entre l'extrémité de sortie d'eau et la structure en forme de disque (13).
  12. La machine à laver selon la revendication 10 ou 11, caractérisée en ce que, la bride annulaire (15) du disque de collecte d'eau (7) est pourvue d'une bride interne (15) qui se plie et s'étend jusqu'à l'axe de rotation du tambour interne (1), et une extrémité de la bride interne (15) est proche ou en contact avec la paroi externe du tambour interne (1).
  13. La machine à laver selon la revendication 12, caractérisée en ce qu'un anneau de joint dynamique (17) est disposé entre la bride interne (15) et la paroi externe du tambour interne (1) pour sceller une jonction entre le disque de collecte d'eau (7) et le tambour interne (1).
  14. La machine à laver selon la revendication 12 ou 13, caractérisée en ce que, une partie inférieure du disque de collecte d'eau (7) est raccordée à un tuyau d'évacuation (11) de la machine à laver.
  15. La machine à laver selon la revendication 14, caractérisée en ce qu'une partie inférieure de la bride annulaire (15) du disque de collecte d'eau (7) est reliée au tuyau d'évacuation (11), et la bride interne (15) de la bride annulaire (15) est disposée proche de l'ouverture du tambour interne (1) par rapport à une partie de raccordement du tuyau d'évacuation (11).
EP20809562.0A 2019-05-17 2020-05-12 Machine à laver Active EP3971337B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910413614.5A CN111945365B (zh) 2019-05-17 2019-05-17 一种洗衣机
PCT/CN2020/089760 WO2020233449A1 (fr) 2019-05-17 2020-05-12 Machine à laver

Publications (4)

Publication Number Publication Date
EP3971337A1 EP3971337A1 (fr) 2022-03-23
EP3971337A4 EP3971337A4 (fr) 2022-07-20
EP3971337C0 EP3971337C0 (fr) 2024-04-17
EP3971337B1 true EP3971337B1 (fr) 2024-04-17

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EP20809562.0A Active EP3971337B1 (fr) 2019-05-17 2020-05-12 Machine à laver

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EP (1) EP3971337B1 (fr)
CN (1) CN111945365B (fr)
WO (1) WO2020233449A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115874389A (zh) * 2021-08-20 2023-03-31 青岛海尔洗涤电器有限公司 一种洗衣机液位检测方法及洗衣机
CN114136695B (zh) * 2021-11-30 2024-01-26 重庆高速工程检测有限公司 一种混凝土检验取样装置及其取样方法

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Publication number Priority date Publication date Assignee Title
JPH08155190A (ja) * 1994-12-05 1996-06-18 Sharp Corp 洗濯機
US5582040A (en) * 1995-08-09 1996-12-10 Khan; Aman U. Water balancing apparatus for horizontal axis and vertical axis laundry appliances
KR100315772B1 (ko) * 1999-02-04 2001-12-12 구자홍 원심 배수형 세탁기
GB2364716A (en) * 2000-07-12 2002-02-06 Notetry Ltd Washing machine with water retentive drum
JP2013128539A (ja) * 2011-12-20 2013-07-04 Panasonic Corp ドラム式洗濯機
CN103603168A (zh) * 2013-12-11 2014-02-26 张安达 一种滚球式洗衣机
CN108796973B (zh) * 2017-04-28 2022-06-21 青岛海尔洗衣机有限公司 一种洗衣机
CN108796995B (zh) * 2017-04-28 2022-05-24 青岛海尔洗衣机有限公司 一种洗衣机
CN108796994B (zh) * 2017-04-28 2022-08-16 青岛海尔洗衣机有限公司 一种洗衣机的脱水结构
CN108866922B (zh) * 2017-05-09 2021-04-27 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机
CN109423801B (zh) * 2017-08-31 2022-04-22 青岛海尔洗衣机有限公司 一种洗衣机
CN107660803B (zh) * 2017-10-30 2019-06-14 宁波景珍堂生物科技有限公司 蔬菜清洗装置
CN109868614B (zh) * 2017-12-01 2022-07-01 青岛海尔洗衣机有限公司 一种洗衣机
CN109868615B (zh) * 2017-12-01 2022-07-12 青岛海尔洗衣机有限公司 一种洗衣机

Also Published As

Publication number Publication date
WO2020233449A1 (fr) 2020-11-26
CN111945365B (zh) 2023-01-20
EP3971337A4 (fr) 2022-07-20
EP3971337C0 (fr) 2024-04-17
CN111945365A (zh) 2020-11-17
EP3971337A1 (fr) 2022-03-23

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