WO2020057387A1 - 一种洗衣机排水控制机构及洗衣机 - Google Patents

一种洗衣机排水控制机构及洗衣机 Download PDF

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Publication number
WO2020057387A1
WO2020057387A1 PCT/CN2019/104898 CN2019104898W WO2020057387A1 WO 2020057387 A1 WO2020057387 A1 WO 2020057387A1 CN 2019104898 W CN2019104898 W CN 2019104898W WO 2020057387 A1 WO2020057387 A1 WO 2020057387A1
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WO
WIPO (PCT)
Prior art keywords
valve plug
control mechanism
drainage control
crank
washing machine
Prior art date
Application number
PCT/CN2019/104898
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
徐杰
陈瑜
邢福涛
王艳鹏
Original Assignee
青岛海尔洗衣机有限公司
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.)
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Publication date
Application filed by 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to JP2021538881A priority Critical patent/JP2022511575A/ja
Publication of WO2020057387A1 publication Critical patent/WO2020057387A1/zh

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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
    • D06F39/081—Safety arrangements for preventing water damage
    • D06F39/082—Safety arrangements for preventing water damage detecting faulty draining operations, e.g. filter blockage, faulty pump
    • 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 invention belongs to the technical field of washing machines, and particularly relates to a drainage control mechanism of a washing machine and a washing machine.
  • the inner tub In the existing pulsator type washing machine, there are water-permeable holes in the inner tub, and the inner and outer tubs communicate with each other.
  • the inner tub is a washing tub
  • the outer tub is a water tub.
  • the water involved in washing is only the part of the inner tub, which causes a large waste of water resources.
  • too much water between the inner and outer tubs will also reduce the concentration of detergent / washing powder in the washing liquid.
  • the area between the inner tub and the side wall of the outer tub also becomes a space for dirt and dirt, and the scale and washing powder in the tap water are free.
  • valve plug of the drain valve retracts, and the inner tub rotates to throw water. At this time, if the valve plug retraction fails or is not retracted in a timely manner, the valve plug will be damaged when the inner tub rotates, and the washing machine will then have problems such as continuous water inflow and abnormal noise, which will cause inconvenience to the user.
  • the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a drainage control mechanism of a washing machine and a washing machine.
  • a drainage control mechanism for a washing machine A drainage port is provided at the bottom of the inner tub.
  • the drainage control mechanism is installed at the bottom of the outer tub.
  • the drainage control mechanism includes a valve plug that can be moved up and down to control the opening and closing of the drainage port.
  • the structure is to control the inner barrel to start the dehydration rotation after detecting the reset of the valve plug.
  • the drainage control mechanism is provided with a position switch at a corresponding position of the valve plug reset, the valve plug resets and triggers the position switch, and the washing machine receives a signal sent by the position switch to control the inner tub to dewater.
  • the drainage control mechanism includes a crank connecting rod structure, the lower end of the valve plug is connected to the connecting rod of the crank connecting rod structure, the crank is connected to a rotary electric machine, and the rotary electric machine is disposed in a housing on the crank.
  • Trigger structure with trigger position switch is a crank connecting rod structure, the lower end of the valve plug is connected to the connecting rod of the crank connecting rod structure, the crank is connected to a rotary electric machine, and the rotary electric machine is disposed in a housing on the crank.
  • the position switch is a contact switch
  • the trigger structure is a protruding structure provided on the crank
  • the contact switch is fixedly disposed on the housing
  • the contact of the contact switch faces the protruding structure.
  • the protruding structure is integrally formed with the crank, or is separately provided and fixedly connected;
  • the protrusion structure is a semi-circular protrusion integrally formed on the surface of the crank, and the highest point of the semi-circular protrusion is in contact with the contact of the contact switch when the valve plug is reset.
  • the crank is an eccentric wheel
  • the eccentric shaft of the eccentric wheel is hinged with the connecting rod
  • the center of the eccentric wheel is connected to the rotary motor
  • the eccentric wheel and the rotary motor are arranged concentrically
  • the protruding structure is arranged on the peripheral wall of the eccentric wheel.
  • the position switch is an inductive switch
  • the triggering structure is a signal transmitting portion.
  • the signal transmitting portion is provided on the crank and moves with the crank.
  • the inductive switch is fixed on the housing and senses. The sensing part of the switch faces the crank.
  • the signal transmitting portion is a magnetic signal or a photoelectric signal or a microwave signal transmitting portion
  • the induction portion of the inductive switch is a magnetic signal or a photoelectric signal or a microwave signal receiving portion.
  • the valve plug includes a retractable valve stem and a sealing sleeve sleeved on the valve stem and capable of expanding and contracting with the expansion and contraction of the valve stem, and the lower end of the valve stem is connected to the connecting rod.
  • the link includes a connecting arm, a first spring, and a slider.
  • One end of the first spring is fixed to the connecting arm, the other end of the first spring is fixed to the slider, and the slider is slidably connected to the connecting arm.
  • the end of the connecting arm fixing the first spring is hinged with the valve plug, and the end of the connecting arm provided with the slider is hinged with the crank through the slider.
  • Another object of the present invention is to provide a washing machine provided with a washing machine drainage control mechanism according to any one of the above.
  • the present invention has the following beneficial effects compared with the prior art:
  • the washing machine drainage control mechanism of the present invention is provided with a structure for detecting the reset state of the valve plug to ensure that the valve plug is retracted into position and then the inner tub is rotated and dehydrated to prevent the valve plug from being retracted into place or not in time. 2, causing the washing machine to enter the water or more abnormal noise.
  • FIG. 1 is a schematic structural diagram of a washing machine according to the present invention.
  • FIG. 2 is a schematic diagram of a drainage control structure of a washing machine according to the present invention.
  • FIG. 3 is a schematic diagram when a valve plug of a drainage control structure of a washing machine according to the present invention is in a reset state
  • FIG. 4 is a schematic diagram when a valve plug of a drainage control structure of a washing machine according to the present invention is in a non-reset state
  • FIG. 5 is a schematic diagram of a drainage control structure of a washing machine according to the present invention.
  • FIG. 6 is a sectional view of a drainage control structure of a washing machine according to the present invention.
  • FIG. 7 is an enlarged view at A in FIG. 5;
  • FIG. 8 is an enlarged view at A in FIG. 5;
  • FIG. 9 is a partial structural diagram of a drainage control structure of a washing machine according to the present invention.
  • the washing machine in the present invention includes an inner tub 100 and an outer tub 200.
  • the inner tub 101 has no leak hole communicating with the outer tub.
  • the bottom 102 of the inner tub is provided with a drain port 105 and the upper portion of the inner tub 101 is provided with a circle of drain holes. 106.
  • the drain port 105 is closed, and the water level is lower than the height of the drain hole 106.
  • Only the inner bucket 100 has water, and there is no water between the inner bucket 100 and the outer bucket 200.
  • the drain port 105 opens. Water is drained from the drain port 105.
  • the inner tub 100 rotates, and the water released from the clothing rises along the wall of the tub due to the centrifugal force.
  • the drain port 105 is discharged. In this way, the washing water is only stored in the inner tub 100 during washing. There is no washing water between the inner and outer tubs, which saves water. At the same time, the area between the inner tub and the side wall of the outer tub does not accumulate dirt. Clean between buckets to avoid breeding bacteria.
  • the drain port 105 is opened, and most of the water and sediment, particles and other sediments are discharged from the lower drain port 105 into the outer bucket, while the water in the clothes is in the Inner barrel high-speed spin Dehydration is discharged from the drain hole 106 to the upper portion of the outer tub in the tub, the drain port 105 from the bottom of the outer tub, the washing machine drains directly discharged outside, and to achieve a rapid drainage drainage, sewage good effect.
  • a drainage control mechanism 300 for controlling opening / closing of the drainage opening 105 is provided at the bottom of the drainage opening 105.
  • the drainage control mechanism 300 blocks the drainage opening 105 during water inlet and washing, and controls the drainage opening 105 to close.
  • the drain opening 105 is controlled to be opened.
  • the present invention provides a washing machine drainage control mechanism 300.
  • the inner bottom of the inner barrel is provided with a drainage port 105.
  • the drainage control mechanism 300 is installed at the bottom of the outer barrel, and includes a valve plug 306 that can be moved up and down to control the opening and closing of the drainage port 105.
  • the drainage control mechanism 300 is provided with a detection valve The detecting structure is configured to control the inner tub 100 to start the dehydration rotation after detecting that the valve plug 306 is reset.
  • the valve plug 306 moves upward to close the drain port 105, and the valve plug 306 moves downward to open the drain port 105.
  • the valve plug 306 is fixed in the circumferential direction. When the valve plug 306 moves upward and blocks the drain port 105, the drain port 105 is controlled to close. When the valve plug 306 moves downward to escape the drain port 105, the drain port 105 is controlled to open.
  • the drainage control mechanism 300 is provided with a position switch 328 at a corresponding position where the valve plug 306 is reset.
  • the valve plug 306 is reset and triggers the position switch 328.
  • the washing machine receives a signal sent by the position switch 328 to control the inner tub to dewater.
  • the washing machine drainage control mechanism 300 is provided with a structure for detecting the reset state of the valve plug 306 to ensure that the valve plug 306 is retracted into position and then the inner tub is rotated and dehydrated, to prevent the valve plug 306 from being retracted into place or untimely, which effectively prevents the inner tub from rotating abnormally.
  • the valve plug 306 is worn out or not damaged, which causes the washing machine to have more water or abnormal noises, which is more reliable.
  • the drainage control mechanism 300 includes a crank connecting rod structure.
  • the lower end of the valve plug 306 is connected to the connecting rod of the crank connecting rod structure.
  • the crank is connected to the rotary electric machine 316.
  • the rotary electric machine 316 is disposed in the housing 317.
  • the trigger is provided on the crank. Trigger structure 327 of the position switch 328.
  • the lower end of the valve plug 306 is connected to the connecting rod of the crank connecting rod structure.
  • the drainage control mechanism 300 is provided with a position switch 328 at the corresponding position of the valve plug 306 reset.
  • the trigger structure 327 provided on the crank The position also changes accordingly.
  • the trigger structure 327 triggers the position switch 328 to accurately and conveniently monitor the reset state of the valve plug 306.
  • the structure is simple and it is not prone to failure.
  • the position switch 328 is a contact switch
  • the trigger structure 327 is a protruding structure provided on the crank
  • the contact switch is fixedly disposed on the housing 317
  • the contacts of the contact switch face the protruding structure.
  • the protruding structure is integrally formed with the crank, or is separately provided and fixedly connected.
  • the protrusion structure is a semi-circular protrusion integrally formed on the surface of the crank, and the highest point of the semi-circular protrusion is in contact with the contact of the contact switch when the valve plug 306 is reset. In this way, if the valve plug 306 is not retracted a little, the contact switch will not be triggered, so that the reset of the valve plug 306 can be more accurately reflected.
  • the crank is an eccentric wheel 315.
  • the eccentric shaft of the eccentric wheel 315 is hinged with the connecting rod.
  • the center of the eccentric wheel 315 is connected to the rotary motor 316.
  • the eccentric wheel 315 and the rotary motor 316 are arranged concentrically.
  • the protruding structure is arranged on the peripheral wall of the eccentric wheel 315.
  • the valve plug 306 includes a retractable valve stem 301 and a sealing sleeve 302 sleeved on the valve stem 301 and capable of expanding and contracting with the expansion and contraction of the valve stem 301, and the lower end of the valve stem 301 is connected to a connecting rod.
  • the link includes a connecting arm 321, a first spring 323, and a slider 324.
  • One end of the first spring 323 is fixed to the connecting arm 321, the other end of the first spring 323 is fixed to the slider 324, and the slider 324 is slidably connected to the connecting arm 321.
  • An end of the connecting arm 321 fixed to the first spring 323 is hinged with the valve plug 306, and an end of the connecting arm 321 provided with the slider 324 is hinged with the crank through the slider 324.
  • the present invention also provides a washing machine provided with a washing machine drainage control mechanism 300 according to the above.
  • the position switch 328 is an inductive switch
  • the trigger structure 327 is a signal transmitting portion.
  • the signal transmitting portion is provided on the crank and moves with the crank.
  • the inductive switch is fixed on the housing 317. The inductive switch The sensing part faces the crank.
  • the signal transmitting portion is a magnetic signal or a photoelectric signal or a microwave signal transmitting portion
  • the induction portion of the inductive switch is a magnetic signal or a photoelectric signal or a microwave signal receiving portion.
  • the eccentric wheel 315 rotates accordingly, and the signal transmitting section and the induction switch are within a set distance range.
  • the induction switch can receive the magnetic signal or the photoelectric signal or The microwave signal is turned on, and then a signal is sent to the washing machine, indicating that the reset of the valve plug 306 is completed, and the washing machine controls the inner tub to spin and dehydrate.
  • the eccentric wheel 315 rotates accordingly, and the signal transmitting section and the induction switch deviate from the set distance range. At this time, the induction switch cannot receive the magnetic signal, the photoelectric signal or the microwave signal sent by the signal transmitting section. , Keep the disconnected state, the washing machine does not get a signal to reset the valve plug 306, and does not instruct the inner tub to start rotating.
  • Embodiment 1 is an optimization or further limitation of Embodiment 1 or Embodiment 2.
  • the drainage control mechanism 300 of the inner barrel 100, the bottom 102 of the inner barrel is provided with a drainage port 105, and the drainage control mechanism 300 includes at least a retractable valve plug 306, the valve plug 306 moves upward to close the drain port 105, and the valve plug 306 moves downward to open the drain port 105.
  • the valve plug 306 is fixed in the circumferential direction. When the valve plug 306 moves upward and blocks the drain port 105, the drain port is controlled. 105 is closed, and when the valve plug 306 moves downward to get out of the drain port 105, the drain port 105 is controlled to open.
  • the drainage control mechanism 300 further includes a crank connecting rod structure.
  • the lower end of the valve plug 306 is connected to the connecting rod of the crank connecting rod structure.
  • the valve plug 306 extends, but does not extend.
  • the valve plug 306 is against the other position of the inner tank bottom 102, such as the inner tank flange 103, and the other position of the inner tank bottom 102 is lower than the drain port 105. Because the valve plug 306 has not risen to the highest point, the valve plug 306 It will die to the bottom 102 of the inner barrel.
  • the rotating motor 316 is still driving the valve plug 306 to move upwards, which will cause the motor to stall, jam, and even cause the motor to burn.
  • the valve plug 306 cannot be reset and cannot enter the bottom.
  • One work cycle needs to be adjusted manually, and even the inner bucket needs to be removed to enter the next work cycle.
  • an idle stroke is provided between the connecting rod and the crank and / or between the connecting rod and the valve plug 306.
  • the valve plug 306 extends, but does not extend into the drain port 105.
  • the valve plug 306 bears on the other position of the inner bottom 102, and the other position of the inner bottom 102 is lower than the drain 105. Because the valve plug 306 has not risen to the highest point, the valve plug 306 will die to the bottom of the inner barrel 102.
  • the rotary motor 316 is still driving the valve plug 306.
  • the empty stroke set between the lever and the crank and / or the connecting rod and the valve plug 306 starts to work.
  • the rotating motor 316 drives the crank or connecting rod to move within the empty stroke.
  • the motor continues to drive the valve plug 306 downward to reset and re-enter the next working cycle. It will not cause damage to the motor or the inner bottom 102. Do not manually adjust or disassemble the washing machine for maintenance. Avoid washing machine failure and avoid unnecessary damage to the user. Trouble.
  • the idle stroke is a compressible distance along the length of the link.
  • the compressible distance is compressed.
  • the motor continues to drive the valve plug 306 to move downward to reset, and re-enter the next working cycle.
  • the empty stroke may be provided by an oval hole 322, the connecting rod is a connecting arm 321, two ends of the connecting arm 321 are respectively provided with hinge holes, and the hinge hole at one end of the connecting arm 321 and the valve plug 306 The ends are hinged, the hinge hole at the other end of the connecting arm 321 is hinged with the crank, and one or two of the hinge holes are oval holes 322.
  • the elliptical hole 322 can provide a certain displacement, so that the motor rotates past the highest point of the drive. The motor continues to drive the valve plug 306 to move downward to reset, and re-enter the next working cycle.
  • the idle stroke can be provided by a spring.
  • the spring can provide a certain displacement to make the motor turn over the highest point of the drive.
  • the motor continues to drive the valve plug 306 to move downward to reset and re-enter Next work cycle.
  • the link includes a connecting arm 321, a first spring 323, and a slider 324.
  • One end of the first spring 323 is fixed to the connecting arm 321, and the other end of the first spring 323 is fixed to the slider 324.
  • the connecting arm 321 is slidably connected.
  • One end of the connecting arm 321 fixed to the first spring is hinged with the valve plug 306.
  • One end of the connecting arm 321 provided with the slider 324 is hinged with the crank through the slider 324.
  • a groove 326 / notch is provided in the middle of the connecting arm 321.
  • the first spring 323 and the slider 324 are arranged in series in the groove 326 / notch along the length direction, and the slider 324 and the groove 326 are arranged in series. / Notch sliding connection, one end of the first spring 323 is fixed to the end of the groove 326 / notch, and the other end is fixed to the slider 324,
  • the end of the groove 326 / notch and the slider 324 are respectively provided with mounting posts 325 on the end faces of the ends, and the two ends of the first spring 323 are respectively sleeved on the mounting posts 325,
  • the opposite end surfaces of the mounting posts 325 are inclined surfaces or stepped end surfaces.
  • the longest assembly length of the second spring 313 and the mounting post 325 can be ensured, so that the installation of the spring is reliable, and it is not easy to pop out when compressed. Compared with the flat end face, it saves space and is highly oriented Takes up minimal space.
  • the valve plug 306 includes a retractable valve stem 301 and a set of sealing sleeves 302 provided on the valve stem 301 and capable of expanding and contracting with the expansion and contraction of the valve stem.
  • the lower end of the valve stem is connected to the connecting rod.
  • the top of the valve stem 301 is an elastic structure, or the seal sleeve 302 extends toward the top of the valve stem to cover at least a part of the top of the valve stem 301, and at least extends to the top of the valve stem 301 corresponding to the drain outlet 105.
  • the seal sleeve 302 extends toward the top of the valve stem to cover at least a part of the top of the valve stem 301, and at least extends to the top of the valve stem 301 corresponding to the drain outlet 105.
  • the sealing sleeve 302 extends toward the top of the valve stem 301 to completely cover the top of the valve stem 301.
  • the sealing sleeve 302 is a closed structure located at the top of the valve stem 301, and is sleeved on the top of the valve stem 301.
  • the sealing sleeve 302 The first end 304 is a sealing structure, sleeved on the top of the valve stem 301, and the second end 305 of the sealing sleeve 302 is sealingly connected to the fixed shell.
  • the sealing sleeve 303 is a bellows shape.
  • the valve stem 301 drives the sealing sleeve 302 to move upward to the drain port 105, and the valve rod squeezes the first end of the sealing sleeve 302 to closely fit the drain port 105 and seals the drain port 105.
  • the upper surface of the valve stem 301 is preferred For the upward convex spherical structure, the sealing effect is better.
  • the sealing sleeve 302 is a sealing sleeve 302 made of an elastic material, such as a rubber sleeve.
  • a second spring 313 is provided on the outer periphery of the valve stem 301.
  • One end of the second spring 313 is fixed to the upper part of the valve stem 301, and the other end is fixed to a fixed structure.
  • the second spring 313 is a compression spring and a restoring force of the second spring 313.
  • the valve stem 301 can be driven to move upwards, and the valve plug 306 can be pressed against the drain opening 105.
  • the downward reset movement of the valve stem 301 is driven by the crank link structure, and the upward extension of the valve stem 301 is driven by the restoring force of the second spring 313 after the crank link structure releases tension.
  • the restoring force of the second spring 313 can also cause the valve plug 306 to block the drain port 105.
  • a blocking piece 303 is provided on the top of the valve stem 301, which can block the drain opening 105 of the inner barrel bottom 102.
  • the valve stem 301 has a T-shaped structure.
  • a second spring 313 is provided at a lower portion of the blocking piece, and one end of the second spring 313 is in contact with the lower surface of the blocking piece 303 and the other end is fixed.
  • the drainage control mechanism 300 further includes a fixed seat 307 of the valve stem 301.
  • the center of the fixed seat is provided with a slideway 308, and the center of the fixed seat 307 is bent upward and / or downward to form the slideway 308 of the valve stem 301.
  • the valve stem 301 passes through the slide rail 308, preferably the other end of the second spring 313 is fixed to a fixed seat, the slide rail 308 is sleeve-shaped, and the inner diameter is slightly larger than the outer diameter of the valve stem 301.
  • the gap should not be too small to ensure that the valve stem 301 can slide freely in the slideway 308, and the gap should not be too large to ensure that the direction of movement of the valve stem 301 cannot deviate too much.
  • the inner wall of the slideway 308 is evenly distributed in the circumferential direction.
  • the axial protrusion, the top of the protrusion is in line contact with the surface of the valve stem 301, so that multiple protrusions guide the valve stem 301, ensure that the valve plug 306 is aligned with the drain 105, avoid shaking, and reduce
  • the contact area reduces friction and allows the valve stem 301 to slide freely in the slideway 308.
  • the drainage control mechanism 300 further includes a fixed shell 309, which is sleeve-shaped.
  • the fixed shell 309 is installed on the upper part of the fixed seat 307.
  • a valve plug 306 is provided in the fixed shell 309.
  • the sealing sleeve 302 of 306 is connected to the fixed shell 309,
  • the sealing sleeve 302 of the valve plug 306 is connected to the lower end of the fixed shell 309.
  • the outer edge of the sealing sleeve 302 located on the top of the valve stem 301 extends outward to form a flange 310, and the valve plug 306 moves downwards to the drain After 105 is opened, the flange 310 is overlapped on the upper end of the fixed shell 309, and when the valve plug 306 moves downward to get out of the drain port 105, the water in the inner bucket 100 immediately flows downward, and the water flows to the valve plug 306.
  • the upper end, that is, the first end 304 and the flange 310 are diffused toward the periphery of the valve plug 306 after being guided by the flange 310 to prevent the water flow from directly rushing into the fixed shell 309 and causing an impact on the drainage control structure.
  • the valve plug 306 is at the lowest position.
  • the flanging 10 is overlapped on the upper end of the fixed shell 309 or the second mounting hole 204, and can block impurities such as wire debris in the water flow from entering the fixed shell 309, and hinder the expansion and contraction of the valve plug 306.
  • a water leakage opening 311 is provided at a lower portion of the fixing case 309.
  • a drain pipe is provided on the water leakage port 311, and the drain pipe is connected to the drain pipe of the washing machine. Since the sealing sleeve 302 is sleeved on the valve stem 301, the second end 305 of the sealing sleeve 302 is sealed with the fixed shell 309, and the water flow cannot be completely blocked by the flange 310 without entering the fixed shell 309 and the sealing sleeve 302 at all.
  • the water leakage opening 311 can be used to discharge the water entering the space to the drain pipe of the washing machine through the water leakage opening 311, thereby discharging the washing machine.
  • the outer edge of the first end 304 of the preferred sealing sleeve 302 extends outward to a third end, and the third end is sealedly connected to the upper end of the fixed shell 309, and the extended portion is expandable and contractible with the expansion and contraction of the valve stem 301.
  • the sealing sleeve 302 is preferably a bellows-shaped sealing sleeve 302.
  • the extended sealing sleeve between the third end and the first end 304 can seal the space between the fixed shell 309 and the sealing sleeve 302 to prevent water from flowing into the space between the fixed shell 309 and the sealing sleeve 302.
  • the sealing sleeve 302 between the second end 305 and the first end 304 can be removed, but for safety or to prevent the sealing failure of the sealing sleeve 302 between the third end and the first end 304, it is better to provide a second The sealing sleeve 302 between the end 305 and the first end 304.
  • the lower part of the fixing shell 309 does not need to be provided with a water leakage port 311.
  • the crank is connected to a rotary electric machine 316, and the rotary electric machine 316 is disposed in a housing 317.
  • the housing 317 is provided with a mounting portion 318, and the mounting portion is fixed at the lower portion of the fixed seat 307, or the mounting portion 318 and
  • the fixed seat 307 is integrally formed.
  • the crank is an eccentric wheel 315, an eccentric shaft of the eccentric wheel 315 is hinged with the connecting rod, and a center of the eccentric wheel 315 is connected to the rotating electric machine 316.
  • the drainage control mechanism 300 is provided at the bottom of the outer tub of the washing machine, and a sealing structure is provided between the drainage control mechanism 300 and the outer tub.
  • the outer tub is provided with a second mounting hole 204 of the drainage control mechanism 300
  • the fixed seat of the drainage control mechanism 300 is installed at the bottom of the external tub
  • the fixed shell 309 of the drainage control mechanism 300 is installed at the second In the mounting hole
  • a sealing structure is provided between the fixing shell 309 and the second mounting hole.
  • the upper end of the second mounting hole 204 is bent inward to form a bend
  • the lower end of the fixed shell 309 is bent outward to form a bend.
  • the fixed shell 309 extends into the second mounting hole 204 and the upper end of the fixed shell 309 is bent.
  • a bend against the upper end of the second mounting hole 204, a lower end of the second mounting hole 204 against the bend of the lower end of the fixing case 309, a second end 305 of the sealing sleeve 302 is pressed against the lower end of the second installation hole 204
  • a seal is formed between the bends at the lower end of the fixed shell 309 to prevent water leakage there.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
PCT/CN2019/104898 2018-09-17 2019-09-09 一种洗衣机排水控制机构及洗衣机 WO2020057387A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021538881A JP2022511575A (ja) 2018-09-17 2019-09-09 洗濯機の排水制御機構及び洗濯機

Applications Claiming Priority (2)

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CN201811080068.X 2018-09-17
CN201811080068.XA CN110904634A (zh) 2018-09-17 2018-09-17 一种洗衣机排水控制机构及洗衣机

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WO2020057387A1 true WO2020057387A1 (zh) 2020-03-26

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CN (1) CN110904634A (ja)
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CN113331763A (zh) * 2021-07-07 2021-09-03 珠海格力电器股份有限公司 一种洗碗机排水装置及洗碗机
CN113550127A (zh) * 2020-04-07 2021-10-26 青岛海尔洗衣机有限公司 一种洗衣机及其控制方法

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