EP3617371B1 - Structure de drainage de machine à laver et son procédé de drainage - Google Patents

Structure de drainage de machine à laver et son procédé de drainage Download PDF

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Publication number
EP3617371B1
EP3617371B1 EP18791523.6A EP18791523A EP3617371B1 EP 3617371 B1 EP3617371 B1 EP 3617371B1 EP 18791523 A EP18791523 A EP 18791523A EP 3617371 B1 EP3617371 B1 EP 3617371B1
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EP
European Patent Office
Prior art keywords
inner drum
washing machine
draining
drum
flow passage
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
EP18791523.6A
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German (de)
English (en)
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EP3617371A1 (fr
EP3617371A4 (fr
Inventor
Yimin Li
Chunfeng LAO
Di Wu
Xinghui HAO
Sheng Xu
Yanfen LV
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 Washing Machine Co Ltd
Qingdao Haier Smart Technology R&D Co Ltd
Original Assignee
Qingdao Haier Washing Machine Co Ltd
Qingdao Haier Smart Technology R&D Co Ltd
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Publication of EP3617371A1 publication Critical patent/EP3617371A1/fr
Publication of EP3617371A4 publication Critical patent/EP3617371A4/fr
Application granted granted Critical
Publication of EP3617371B1 publication Critical patent/EP3617371B1/fr
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Anticipated expiration legal-status 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
    • 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
    • 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
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical 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
    • D06F37/26—Casings; Tubs
    • 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
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • 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 
    • D06F23/06—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 an inclined axis
    • D06F23/065—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 an inclined 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
    • 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
    • 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
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle

Definitions

  • the disclosure belongs to the technical field of washing machines, in particular relates to a washing machine having a draining structure as defined by the preamble portion of claim 1 and further to a draining method.
  • a drum washing machine generally comprises an inner drum and an outer drum which are sleeved, the outer drum is sealed and used for containing water, and the inner drum is used for containing clothes and can rotate to beat and wash the clothes.
  • the inner drum is provided with draining holes, so that water in the outer drum flows into the inner drum through the draining holes to soak the clothes in the inner drum, the water in the inner drum flows out to the outer drum through the draining holes, and water in the clothes in the inner drum is discharged to the outer drum through the draining holes when the inner drum rotates at a high speed, so as to realize the purpose of washing clothes.
  • the inner drum is sleeved with the outer drum, the inner drum rotates to beat and wash clothes in the washing process, so the washing capacity of the washing machine is based on the inner drum, resulting in a low utilization rate of the inner space of the washing machine, and the washing capacity of the washing machine cannot be expanded on the existing basis.
  • the current research and development hotspot is to provide a washing machine to combine the inner and outer drum and make the inner drum be a sealed container, which can not only contain water and clothes, but also rotate to beat and wash the clothes. Meanwhile, since the washing machine is not provided with an outer drum or the outer drum and a washing machine housing are integrally arranged, the inner drum of the washing machine can be expanded to improve the washing capacity of the washing machine.
  • the inner drum not only contains washing water, but also rotates to beat and wash clothes in the drum, how to design a draining structure suitable for the washing machine has become an urgent problem to be solved.
  • EP 2 889 413 A1 discloses a washing machine comprising the features of the preamble portion of claim 1.
  • the drum of this washing machine is supported via a hollow rotary shaft.
  • a fixed shaft is arranged in a hollow space of the hollow rotary shaft and does not rotate. This fixed shaft supports both the water supply pipe and the drain pipe within the fixed shaft. Separate lifters are provided on the inner walls of the drum for lifting the laundry in the drum when rotating.
  • Another washing machine in known from CN 106 436 138 A .
  • the technical problem to be solved by the present disclosure is to overcome defects in the prior art and provide an alternative design of a washing machine in which the inner drum is a sealed container, which can not only contain water and clothes, but also rotate to beat and wash the clothes.
  • the draining structure of the washing machine by arranging a draining flow passage capable of allowing water flow from the periphery to the center at a larger end of the inner drum, and the water in the inner drum converged and flowed to the larger end is drained out from the central of the larger end through the draining flow passages under the action of centrifugal force, so as to solve the problem of discharging washing water contained in the inner drum, and further realize the purposes of sealing an opening of the rotatable inner drum, preventing water from leaking out of the inner drum during the normal working process of the washing machine, and discharging washing water in the inner drum through the drain valve when the washing machine is in a draining state.
  • the inner drum and outer drum of a drum washing machine are combined to realize the purpose of improving the washing capacity of the washing machine.
  • a draining structure of a washing machine which comprises an inner drum installed in a housing of the washing machine, the inner drum is a tapered drum with a smaller diameter at one end and a larger diameter at the other end, and a draining flow passage is arranged at a larger end of the inner drum; one end of the draining flow passage is communicated with the larger end of the inner drum, and the other end of the draining flow passage is penetrated out of the inner drum and communicated with a drain pipe of the washing machine.
  • a side wall of the inner drum is in a tapered shape, and the diameter of which gradually increases from an opening of the inner drum towards an bottom of the inner drum, and a center of the bottom of the inner drum is installed on an inner drum support via a rotating shaft; and the draining flow passage is arranged on an inner side surface of the bottom of the inner drum, and one end of the draining flow passage is arranged at an intersection of the bottom of the inner drum and a side wall of the inner drum, the other end of the draining flow passage is penetrated out of the center along a axis of the inner drum through a motor shaft and communicated with the drain pipe of the washing machine.
  • the bottom of the inner drum is provided with a plurality of draining flow passages, one ends of the draining flow passages are uniformly distributed on a outer periphery of the bottom of the inner drum at an equal interval angle and communicated with a inside of the inner drum, and the other ends of the draining flow passages are connected at the center of the bottom of the inner drum and penetrated out of the center of the bottom of the inner drum to communicate with the drain pipe of the washing machine.
  • each draining flow passage is formed of hollow convex ribs protruding from an inner side surface of the bottom of the inner drum, and the hollow convex ribs lift and beat the water and clothes in the inner drum to wash the clothes during the rotation of the inner drum.
  • one end of at least one draining flow passage is arranged in the middle of the bottom of the inner drum and communicated with the inside of the inner drum, and the other end of at least one draining flow passage is penetrated out of the center of the bottom of the inner drum and communicated with the drain pipe of the washing machine.
  • the draining flow passage and/or the drain pipe is provided with a drain pump to apply pressure to the water flowing to the bottom of the inner drum of the washing machine, and the water is drained out of the washing machine through the draining flow passages and/or the drain pipe via the drain pump.
  • Another important object of the present disclosure is to provide a drainage method using the above-described washing machine to solve the problem of how to seal the washing machine with the water-filling and rotating inner drum and to drain the washing water in the inner drum.
  • draining method comprises the following specific steps:
  • the drain pump on the draining flow passages and/or the drain pipe is controlled to start to apply pressure to the water flowing to the bottom of the inner drum of the washing machine, and the water is drained out of the washing machine through the draining flow passages and/or the drain pipe via the drain pump.
  • the inner drum rotates at a medium speed or high speed, and the water in the inner drum adheres to the side wall of the inner drum under the action of centrifugal force and flows to the larger end of the inner drum.
  • the washing machine of the present disclosure has the following beneficial effects: Through the above structure and method, the water in the inner drum is not subject to the centrifugal force and not converged and flowed to the larger end during the washing process of the washing machine; the water is subjected to centrifugal force generated from the high-speed rotation of the inner drum and converged and flowed to the larger end for being drained out during draining process the washing machine.
  • Fig. 1 is a structural diagram of the washing machine according to an embodiment of the present disclosure.
  • install and “connect” should be understood in a broad sense unless otherwise specified and defined, for example, it can be fixed connection, removable connection or integrated connection, it can be mechanical connection or electrical connection, and it can be direct connection or indirect connection through intermediate media.
  • connect should be understood in specific situations.
  • the embodiment of the present disclosure provides a washing machine; the washing machine comprises a housing 2, an inner drum 1 is arranged in the housing 2.
  • the axis of the inner drum 1 extends horizontally or is inclined downwards gradually from front to back.
  • the front end of the inner drum 1 is provided with an opening of the inner drum 101, and the rear end is provided with an bottom of the inner drum 102 in a sealed mode.
  • the front end of the housing 2 of the washing machine is provided with a door cover 4 which can be opened outwards for the purpose of blocking the opening of the inner drum 101 after the door cover 4 is closed and putting clothes into the inner drum 1 via the opening of the inner drum 101 after the door cover 4 is opened.
  • the rear end of the inner drum 1 is installed in the housing 2 of the washing machine through an inner drum support 3; the inner drum support 3 and the rear end of the inner drum 1 are coaxially arranged.
  • the upper end and lower end of the inner drum support 3 are both bent to the direction of the drum opening at the front end of the inner drum 1.
  • the bent parts extend to at least the middle of the inner drum 1, and the upper and lower bent parts are respectively connected with the housing 2 of the washing machine through a damping suspension spring 6 and a damping support rod 7, so as to realize the purpose that the inner drum support 3 can be installed in the washing machine housing 2 in a vibrating manner.
  • the center of the bottom of the inner drum 102 and a motor shaft of a washing machine drive motor 5 are coaxially arranged to drive the inner drum 1 to rotate, and the inner drum 1 and the drive motor 5 are both fixedly installed on the inner drum support 3.
  • the bottom of the inner drum 102 and the drive motor 5 are respectively arranged on the two sides of the inner drum support 3, 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 and fixedly connected with the bottom of the inner drum 102, and the shaft of the drive motor 5 can rotate relative to the inner drum support 3, so as to realize the purpose that the inner drum 1 and the drive motor 5 are installed on the inner drum support 3 and the inner drum 1 can rotate alone to wash clothes inside under the action of the drive motor 5.
  • a draining structure of a washing machine is provided, the inner drum 1 is installed in the housing 2, the inner drum 1 is a tapered drum with a smaller diameter at one end and a larger diameter at the other end, and a draining flow passage 32 is arranged at a larger end of the inner drum 1.
  • One end of the draining flow passage 32 communicates with the larger end of the inner drum 1, and the other end of the draining flow passage 32 penetrates out of the inner drum 1 through the center of the larger end and communicates with the washing machine drain pipe 31.
  • the disclosure also introduces a draining method of the washing machine.
  • the inner drum rotates at a certain rotating speed, and washing water in the inner drum flows to the larger end of the inner drum along the tapered inner wall under the action of centrifugal force, and washing water is drained out from the inner drum through the draining flow passages arranged at the larger end when reaching to the larger end of the inner drum, and then drained out from the washing machine through the drain pipe, therefore, the washing water in the inner drum is drained out.
  • the inner drum 1 During the normal washing process of the drum washing machine, the inner drum 1 generally rotates at a low speed, and water in the inner drum 1 is not subjected to too much centrifugal force, so that clothes and water in the inner drum 1 will experience a beating washing effect along with the low-speed rotation of the inner drum. In this way, the water in the inner drum 1 does not converge towards the larger end and will not be discharged out of the washing machine.
  • the inner drum 1 rotates at a medium-high speed, and water separated from the clothes in the inner drum 1 is subjected to the rotation centrifugal force of the inner drum, so that the water in the inner drum 1 converges towards the larger end of the inner drum along the inner drum wall, flows into the draining flow passages 36 arranged at the larger end of the inner drum, and flows out of the inner drum 1 through the center of the larger end of the inner drum 1, and is discharged out of the washing machine through the drain pipe 31.
  • water in the inner drum is not subjected to centrifugal force and does not converge towards the larger end of the inner drum in the normal washing state of the washing machine, and water in the inner drum rotating at a high speed is subjected to centrifugal force in the draining state of the washing machine, flows towards the draining flow passages at the larger end of the inner drum and is discharged.
  • the water contained in the inner drum does not flow out from the drain port when the inner drum rotates normally, further, the effect that during the rotating process of the inner drum, the inner drum is sealed, and during drainage, the drain valve is opened to allow water separated from clothes in the inner drum to be discharged normally is realized, and the purpose of normal draining of the washing machine with the inner drum having both a rotating function and a water containing function is realized.
  • the inner drum does not have to be sleeved with an outer drum, thus increasing the volume of the inner drum and improving the washing capacity of the washing machine.
  • a draining structure of a washing machine is provided, the inner drum 1 is installed in the housing 2, the inner drum 1 is a tapered drum with a smaller diameter at one end and a larger diameter at the other end, and a draining flow passage 32 is arranged at a larger end of the inner drum 1.
  • One end of the draining flow passage 32 communicates with the larger end of the inner drum 1, and the other end of the draining flow passage 32 penetrates out of the inner drum 1 through the center of the larger end and communicates with the washing machine drain pipe 31.
  • the front end of the inner drum 1 is provided with the opening of the inner drum 101, the rear end is provided with the bottom of the inner drum 10, and the opening of the inner drum 101 and the bottom of the inner drum 102 are connected through the inner drum side wall.
  • the side wall of the inner drum is in a tapered shape, and the diameter of which gradually increases from the opening of the inner drum 101 towards the bottom of the inner drum 102, so as to form the tapered inner drum 1, and the center of the bottom of the inner drum 102 is installed on the inner drum support 3 via the rotating shaft.
  • draining flow passage 32 is arranged on the inner side surface of the bottom of the inner drum 101, one end of the draining flow passage 32 is arranged at an intersection of the bottom of the inner drum 101 and the side wall of the inner drum, the other end of the draining flow passage penetrates out through the center of the bottom of the inner drum 101 and passes through a motor shaft along the axis, and the penetrating end of the draining flow passage 32 communicates with the washing machine drain pipe 31.
  • the bottom of the inner drum 102 is provided with a plurality of draining flow passages 36, one ends of the draining flow passages 36 are uniformly distributed on the outer periphery of the bottom of the inner drum 102 at an equal interval angle and communicate with the inside of the inner drum 1, and the other ends meet at the center of the bottom of the inner drum 102 and penetrate out of the center of the bottom of the inner drum 102 to communicate with the washing machine drain pipe 31.
  • one end of at least one draining flow passage 32 is arranged in the middle of the bottom of the inner drum 102 and communicates with the inside of the inner drum 1, and the other end penetrates out of the center of the bottom of the inner drum 102 and communicates with the washing machine drain pipe 31.
  • the ends of the adjacent draining flow passages 36 are alternately arranged at the middle or outer periphery of the bottom of the inner drum 102.
  • each draining flow passage 32 is formed of hollow convex ribs protruding from an inner side surface of the bottom of the inner drum 102. And during the rotation of the inner drum 1, the hollow convex ribs lift and beat the water and clothes in the inner drum 1 to wash the clothes, so that the inwardly protruding draining flow passages 36 have the auxiliary lifting rib function that is, lifting, beating and washing the clothes in the inner drum 1.
  • the draining flow passages 36 and/or the drain pipe 31 is provided with a drain pump 33 to apply pressure to the water flowing to the bottom of the inner drum 102 of the washing machine, so as to discharge the water out of the washing machine along the draining flow passages 36 and the drain pipe 31; and the drain pump 33 does not work when the drum washing machine is in a normal washing state and is opened when the drum washing machine executes a draining program, so as to control the water discharge of the inner drum of the washing machine and provide a water flow driving force.
  • the present embodiment provides a draining method is based on the washing machine described in Embodiment 1, the inner drum rotates at a certain rotating speed, and washing water in the inner drum flows to the larger end of the inner drum along the tapered inner wall under the action of centrifugal force, and washing water is drained out from the inner drum through the draining flow passages arranged at the larger end when reaching to the larger end of the inner drum, and then drained out from the washing machine through the drain pipe, therefore, the washing water in the inner drum is drained out.
  • water in the inner drum is not subjected to centrifugal force and does not converge towards the larger end of the inner drum in the normal washing state of the washing machine, and water in the inner drum rotating at a high speed is subjected to centrifugal force in the draining state of the washing machine, flows towards the draining flow passages at the larger end of the inner drum and is discharged, so that the water contained in the inner drum does not flow out from the drain port when the inner drum rotates normally, further, the effect that during the rotating process of the inner drum, the inner drum is sealed, and during drainage, the drain valve is opened to allow water contained in the inner drum to be discharged normally is realized, and the purpose of normal draining of the washing machine with the inner drum having both a rotating function and a water containing function is realized.
  • the draining method of the washing machine comprises the following specific steps:
  • the drain pump 33 on the draining flow passages and/or the drain pipe starts to work to apply pressure to the water flowing to the bottom of the inner drum, so that the water flows along the draining flow passages and the drain pipe and is discharged out of the washing machine.
  • the drain pump 33 on the draining flow passages and/or the drain pipe does not work, so that the water in the inner drum will not be adhered by the drain pump 33 to be discharged, the water in the inner drum is retained and the clothes are normally washed.
  • the inner drum rotates at a medium-high speed, so that the water in the inner drum adheres to the side wall of the inner drum under the action of centrifugal force and flows to the larger end of the inner drum.
  • a washing machine is provided.
  • a door cover 4 is installed on a housing 2 of the washing machine, and the door cover 4 is rotatably connected with an inner drum cover 8 through an elastic mechanism, and after the door cover 4 is closed, the elastic mechanism provides a locking elastic force to the inner drum cover 8 to make the inner drum cover 8 be in sealing contact with the opening of the inner drum 101, and make the inner drum cover 8 rotate together with the inner drum 1, so as to realize the purpose of sealing the inner drum 1 after the inner drum cover 8 is fastened to the opening of the inner drum 101 when the door cover 4 is closed.
  • the opening of the inner drum is sealed by the inner drum cover tightly pressed by elastic force.
  • the inner drum cover is in sealing contact with the opening of the inner drum and rotates together with the opening of the inner drum in the washing process of the washing machine, so that the purpose of dynamic sealing of the drum opening when the inner drum rotates is realized, and the inner drum can both rotate and contain water.
  • the inner drum does not have to be sleeved with an outer drum, thus increasing the volume of the inner drum and improving the washing capacity of the washing machine.
  • the door cover 4 and the inner drum cover 8 are coaxially arranged, and the door cover 4 and the inner drum cover 8 are connected through the elastic mechanism, and the inner drum cover 8 is pressed against the opening of the inner drum 101 under the action of the elastic mechanism in a compressed state after the door cover 4 is closed.
  • the inner drum cover 8 is fixedly connected with the door cover 4, so that the inner drum cover 8 moves together with the opening and closing of the door cover 4, thereby realizing the purpose that the inner drum cover 8 opens and closes the opening of the inner drum 101. Meanwhile, the inner drum cover 8 and the door cover 4 can relatively rotate around the central axis, so that the inner drum cover 8 is hermetically and fixedly connected with the inner drum 1 and the inner drum cover 8 can rotate together with the inner drum 1 after the washing machine is closed.
  • the inner drum cover 8 and the opening of the inner drum 101 can be elastically clamped, so that the inner drum cover and the opening of the inner drum 101 can be fixedly clamped after the door cover 4 is closed, and the inner drum cover moves together with the door cover 4 and is separated from the opening of the inner drum 101 after the door cover 4 is opened. And clamping fixation at the position of sealing contact between the inner drum cover 8 and the opening of the inner drum 101 is realized, so as to enhance the sealing performance of the opening of the inner drum 101.
  • a center of the inner drum cover 8 is connected with a rotating shaft 12 extending to the outside of the inner drum in the axial direction of the inner drum 1.
  • the inner drum cover 8 can rotate around the rotating shaft.
  • One end of the rotating shaft 12 is rotatably connected with the inner drum cover 8, and the other end of the rotating shaft 12 is connected with the door cover 4 through an elastic mechanism; and the elastic mechanism applies an elastic force to the inner drum cover 8 to drive the inner drum cover 8 to move towards the opening of the inner drum 101, so that the inner drum cover 8 is fastened to the opening of the inner drum 101 in a sealing mode to realize the sealing of the opening of the inner drum 101.
  • a center of an outer side of the inner drum cover 8 is provided with an installation groove 11 extending outwards.
  • the rotating shaft 12 is mounted in the installation groove 1 by a bearing, and the rotating shaft 12 extends in the axial direction of the inner drum 1, so that the inner drum cover 8 can relatively rotate around the rotating shaft 12.
  • the end of the rotating shaft 12 is fixedly connected with the door cover 4 by springs 9, so that the springs 9 are in a compressed state after the door cover 4 is closed, and the inner drum cover is in sealing contact with the opening of the inner drum 101, and the inner drum cover 8 rotates around the rotating shaft relative to the door cover 4.
  • an insertion end of the rotating shaft 12 inserted into the installation groove 11 of the inner drum cover 8 is provided with a protruding portion protruding outwards in the radial direction for being engaged with the installation groove 11 of the inner drum cover 8, and the rotating shaft 12 and the inner drum cover 8 are fixed in the axial direction.
  • the center of the outer side of the inner drum cover 8 is provided with the installation groove 11 extending outwards
  • the rotating shaft 12 is mounted in the installation groove 1 by the bearing.
  • the rotating shaft 12 extends in the axial direction of the inner drum 1, and the inner drum cover 8 can relatively rotate around the rotating shaft 12.
  • an end of the rotating shaft 12 is provided with a support plate 10 perpendiculars to the axis of the rotating shaft 12, and an outer periphery of the support plate 10 is fixedly connected with the door cover 4 through the plurality of springs 9.
  • a diameter of the support plate 10 is greater than or equal to a diameter of the opening of the inner drum 101, the support plate 10 is coaxial with the inner drum 1.
  • the springs 9 are arranged on the outer periphery of the support plate 10 symmetrically relative to the axis of the inner drum 1, and each spring 9 is arranged in a direction parallel to the axis of the inner drum 1.
  • the inner drum cover is subjected to limiting elastic force of different springs in a plurality of directions by adding the support plate connected with the rotating shaft between the door cover and the inner drum cover of the washing machine, and connecting the support plate to the door cover via a plurality of springs uniformly distributed on the outer periphery of the support plate.
  • the inner drum cover can be stably in sealing contact with the opening of the inner drum without deflection, thus improving the sealing reliability at the opening of the inner drum of the washing machine.
  • the inner drum cover By connecting the inner drum cover with the door cover through the rotating shaft provided with the springs, the inner drum cover contacts with the opening of the inner drum to compress the springs after the door cover is closed.
  • the springs provide an elastic force for the inner drum cover to move towards the inner drum, and the inner drum cover and the opening of the inner drum are jointed in a sealed mode, thereby realizing the purposes of limiting the inner drum cover and allowing the inner drum cover and the opening of the inner drum to be in sealing contact after the door cover is closed. Meanwhile, as the inner drum cover and the rotating shaft can rotate relatively, when the inner drum rotates under the driving of the washing machine drive motor, the inner drum cover can rotate together with the inner drum under the friction force, so as to realize the purpose of sealing the opening of the inner drum.
  • the front end of the inner drum is connected with the door cover through the inner drum cover, the rotating shaft, and the springs, the front end of the inner drum can be elastically installed in the housing in a vibrating manner, so that the front end of the inner drum and the washing machine housing are installed in a mutually supporting mode.
  • the supporting action point of the inner drum is improved, and the stability of the inner drum in the operation process is enhanced.
  • a water inlet pipe 17 is coaxially installed at the rotating shaft 12, one end of the water inlet pipe 17 penetrates into the inner drum 1 through the inner drum cover 8, and the other end penetrates the rotating shaft 12 and is bent upwards to extend to communicate with a water inlet structure of the washing machine, so that the inlet water of the washing machine flows into the inner drum 1 through the center of the opening of the inner drum 101.
  • a water seal is arranged at the position where the inner drum cover 8 and the rotating shaft 12 are hinged together to ensure the tightness of the inner drum 1.
  • the outer periphery of the inner drum cover 8 is provided with an inclining portion 15 inclined outward, and the inclining portion 15 is a tapered surface, and the diameter of which gradually increases from the outer periphery of the inner drum 1 to the door cover 4.
  • a circular of fixing portion 16 in jointing contact with the inclining portion 15 is arranged at the opening of the inner drum 101.
  • an outer end of the fixing portion 16 is provided with an outward bent chamfer to guide the inner drum cover 8 to slide into the opening of the inner drum 101, so that the fixing portion 16 and the inclining portion 15 are correspondingly attached to realize sealing.
  • the outer periphery of the inner drum cover 8 is provided with two sections of tapered surfaces with different curvatures and gradually increasing diameters towards the door cover 4. And both sides of a first tapered surface are respectively connected with an outer periphery of the door cover 4 and one side of the second tapered surface.
  • the first tapered surface corresponds to a horizontal bending surface of the opening of the inner drum 101, the horizontal bending surface is a cylindrical surface horizontally bent from the opening of the inner drum 101 to the outside of the inner drum 1.
  • An inner diameter of the horizontal bending surface is equal to or slightly smaller than a maximum diameter of the first tapered surface.
  • an end of the horizontal bending surface is gradually inclined outwards to form the fixing portion 16 of tapered, and the second tapered surface forms the inclining portion 15 and is in jointing contact with the fixing portion 16.
  • a sealing pipe 14 of tubular is also arranged between the inner drum cover 8 and the door cover 4, which can expand and contract in the radial direction.
  • One end of the sealing pipe 14 is hermetically connected with the outer periphery of the door cover 4, and the other end of the sealing pipe 14 is fixedly connected with the door cover 4, so that the elastic mechanism is hermetically installed inside the sealing pipe 14, and the inner drum cover 8 can move relative to the door cover 4 along with the expansion and contraction of the sealing pipe 14.
  • the sealing pipe 14 is made of bellows made of elastic rubber.
  • the end of the sealing pipe 14 and the door cover 4 are in sleeve connection in a manner of rotating relatively around the axis of the inner drum 1, so that the sealing pipe 14 does not rotate along when the door cover 4 rotates together with the inner drum 1.

Landscapes

  • 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 (7)

  1. Machine à laver qui a une structure de vidange, cependant que
    la machine à laver comprend un tambour intérieur (1) installé dans un bâti (2) de la machine à laver,
    le tambour intérieur (1) est un tambour conique qui a un plus petit diamètre à une extrémité et un plus grand diamètre à l'autre extrémité et
    un passage d'écoulement de vidange (32) est agencé à l'extrémité avec le plus grand diamètre du tambour intérieur (1),
    une première extrémité du passage d'écoulement de vidange (32) communique avec le tambour intérieur (1) et une seconde extrémité du passage d'écoulement de vidange (32) pénètre dans le tambour intérieur (1) et communique avec un tuyau de vidange de la machine à laver,
    le tambour intérieur (1) est le tambour conique qui augmente graduellement en diamètre depuis une ouverture (101) du tambour intérieur (1) vers un fond (102) du tambour intérieur (1) et
    un centre du fond (102) du tambour intérieur (1) est installé sur un support de tambour intérieur par l'intermédiaire d'un arbre rotatif,
    la première extrémité du passage d'écoulement de vidange (32) est agencée à une intersection du fond (102) du tambour intérieur (1) et une paroi latérale du tambour intérieur (1), la seconde extrémité du passage d'écoulement de vidange (32) pénètre dans le centre du fond (102) du tambour intérieur (1) et traverse un arbre moteur le long d'un axe du tambour intérieur (1),
    la seconde extrémité du passage d'écoulement de vidange (32) qui pénètre dans le fond (102) du tambour intérieur (1) communique avec le tuyau d'écoulement de la machine à laver,
    caractérisée en ce que
    le passage d'écoulement de vidange (32) est agencé sur une surface de face intérieure du fond (102) du tambour intérieur (1),
    qu'une pluralité de passages d'écoulement de vidange (32) est prévue sur le fond (102) du tambour intérieur (1),
    les premières extrémités des passages d'écoulement de vidange (32) sont réparties de manière uniforme sur une périphérie extérieure du fond (102) du tambour intérieur (1) à un angle d'intervalle égal et communiquent avec un intérieur du tambour intérieur (1) et
    les secondes extrémités des passages d'écoulement de vidange (32) communiquent et se rencontrent au centre du fond (102) du tambour intérieur (1) et pénètrent dans le centre du fond (102) du tambour intérieur (1) pour communiquer avec le tuyau de vidange de la machine à laver,
    chacun des passages d'écoulement de vidange (32) est formé par une nervure convexe creuse qui fait saillie à partir de la surface de face intérieure du fond (102) du tambour intérieur (1) et
    la nervure convexe creuse se lève et frappe des vêtements dans le tambour intérieur (1) pour laver les vêtements pendant une rotation du tambour intérieur (1).
  2. Machine à laver selon la revendication 1, caractérisée en ce que la première extrémité d'au moins un passage d'écoulement de vidange (32) de la pluralité de passages d'écoulement de vidange est agencée sur une partie médiane du fond (102) du tambour intérieur (1) et communique avec l'intérieur du tambour intérieur (1), et
    la seconde extrémité du passage d'écoulement de vidange (32) pénètre dans le centre du fond (102) du tambour intérieur (1) et communique avec le tuyau de vidange de la machine à laver.
  3. Machine à laver selon la revendication 1 ou 2, caractérisée en ce que le passage d'écoulement de vidange (32) et/ou le tuyau de vidange est équipé d'une pompe de vidange (33) pour appliquer une pression pour l'écoulement d'eau vers le fond (102) du tambour intérieur (1) de la machine à laver, et
    l'eau est purgée hors de la machine à laver par le passage d'écoulement de vidange (32) et le tuyau de vidange.
  4. Procédé de vidange d'une machine à laver appliqué à la machine à laver qui a la structure de vidange selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le tambour intérieur (1) tourne à une certaine vitesse de rotation, et
    l'eau de lavage dans le tambour intérieur (1) s'écoule vers l'extrémité avec le plus grand diamètre du tambour intérieur (1) le long de la paroi intérieure conique sous l'action d'une force centrifuge et l'eau de lavage est purgée hors du tambour intérieur (1) par le passage d'écoulement de vidange (32) agencé à l'extrémité avec le plus grand diamètre du tambour intérieur (1) lorsqu'elle atteint l'extrémité avec le plus grand diamètre du tambour intérieur (1) et est ensuite purgée hors de la machine à laver par le tuyau de vidange.
  5. Procédé de vidange de la machine à laver selon la revendication 4 comprenant :
    étape 1 : le tambour intérieur (1) de la machine à laver tourne à la vitesse de rotation donnée et l'eau dans le tambour intérieur (1) s'écoule vers la paroi latérale du tambour intérieur (1) sous l'action de la force centrifuge ;
    étape 2 : l'eau dans le tambour intérieur (1) s'écoule vers le fond (102) du tambour intérieur (1) avec le plus grand diamètre le long de la paroi latérale du tambour intérieur (1) sous l'action de la force centrifuge générée par une rotation du tambour intérieur (1) ;
    étape 3 : l'eau s'écoule dans le passage d'écoulement de vidange (32) agencé sur le fond (102) du tambour intérieur (1) lorsqu'elle atteint le fond (102) du tambour intérieur (1) et est purgée hors du tambour intérieur (1) à partir du centre du tambour intérieur (1) par le passage d'écoulement de vidange (32) et est ensuite évacuée hors de la machine à laver par le tuyau de vidange.
  6. Procédé de vidange de la machine à laver selon la revendication 5, caractérisé en ce qu'à l'étape 3 sus-mentionnée
    la pompe de vidange (32) et/ou le tuyau de vidange est commandé pour appliquer une pression pour l'écoulement d'eau vers le fond (102) du tambour intérieur (1) de la machine à laver, et
    l'eau est purgée hors de la machine à laver par le passage d'écoulement de vidange (32) et le tuyau de vidange.
  7. Procédé de vidange de la machine à laver selon l'une quelconque des revendications 4 à 6, caractérisé en ce que pendant un processus de vidange de la machine à laver le tambour intérieur (1) tourne à une vitesse moyenne ou à une vitesse élevée, et
    que l'eau dans le tambour intérieur (1) adhère à la paroi latérale du tambour intérieur (1) sous l'action de la force centrifuge et s'écoule vers l'extrémité avec le plus grand diamètre du tambour intérieur (1).
EP18791523.6A 2017-04-28 2018-04-27 Structure de drainage de machine à laver et son procédé de drainage Active EP3617371B1 (fr)

Applications Claiming Priority (2)

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CN201710293370 2017-04-28
PCT/CN2018/084808 WO2018196846A1 (fr) 2017-04-28 2018-04-27 Structure de drainage de machine à laver et son procédé de drainage

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EP (1) EP3617371B1 (fr)
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CN110195306A (zh) 2018-02-27 2019-09-03 青岛海尔洗衣机有限公司 一种洗衣机
CN111607932A (zh) * 2019-02-25 2020-09-01 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机
CN112111909B (zh) * 2019-06-19 2022-09-23 重庆海尔滚筒洗衣机有限公司 一种滚筒洗衣机

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FR2167350B1 (fr) * 1972-01-13 1974-10-18 Sebran
DD283894A7 (de) * 1988-10-26 1990-10-31 Veb Waschgeraetewerk Schwarzenberg,Dd Einrichtung zum trennen der waschflotte von der waesche
US4941333A (en) * 1989-01-31 1990-07-17 Levi Strauss & Co. Centrifugally draining single drum washing machine
DE19961462B4 (de) 1999-12-20 2011-04-28 BSH Bosch und Siemens Hausgeräte GmbH Haushaltgerät und Verfahren zu seinem Betreiben
JP2002355491A (ja) * 2001-03-28 2002-12-10 Sanyo Electric Co Ltd 洗濯機
CN101982598A (zh) * 2010-09-09 2011-03-02 任文涛 一种脱水孔自动开闭的单桶滚筒洗衣机
CN102080325A (zh) * 2011-01-16 2011-06-01 任文涛 一种单桶滚筒洗衣机
KR20130017196A (ko) * 2011-08-10 2013-02-20 삼성전자주식회사 세탁기
KR101605591B1 (ko) * 2013-12-18 2016-03-22 동부대우전자 주식회사 세탁기
KR101577872B1 (ko) * 2013-12-19 2015-12-15 동부대우전자 주식회사 세탁기
KR101568914B1 (ko) * 2013-12-24 2015-11-12 동부대우전자 주식회사 세탁기
CN106381633A (zh) * 2016-10-25 2017-02-08 无锡小天鹅股份有限公司 洗衣机
CN106436138A (zh) * 2016-10-25 2017-02-22 无锡小天鹅股份有限公司 洗衣机
CN106381634A (zh) * 2016-10-25 2017-02-08 无锡小天鹅股份有限公司 洗衣机

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EP3617371A1 (fr) 2020-03-04
JP2020518341A (ja) 2020-06-25
JP7046101B2 (ja) 2022-04-01
EP3617371A4 (fr) 2020-03-18
CN108797022B (zh) 2022-08-30
US20200087841A1 (en) 2020-03-19
CN108797022A (zh) 2018-11-13
WO2018196846A1 (fr) 2018-11-01

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