WO2020253579A1 - Cuve de lavage de lave-linge et lave-linge - Google Patents

Cuve de lavage de lave-linge et lave-linge Download PDF

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Publication number
WO2020253579A1
WO2020253579A1 PCT/CN2020/095142 CN2020095142W WO2020253579A1 WO 2020253579 A1 WO2020253579 A1 WO 2020253579A1 CN 2020095142 W CN2020095142 W CN 2020095142W WO 2020253579 A1 WO2020253579 A1 WO 2020253579A1
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WIPO (PCT)
Prior art keywords
water
washing
washing tub
tub
dehydration
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.)
Ceased
Application number
PCT/CN2020/095142
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English (en)
Chinese (zh)
Inventor
吕艳芬
许升
郝兴慧
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
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier 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 Washing Machine Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to CN202090000086.7U priority Critical patent/CN214458954U/zh
Publication of WO2020253579A1 publication Critical patent/WO2020253579A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • D06F37/12—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the invention belongs to the field of household appliances, and specifically relates to a washing tub of a washing machine and a washing machine.
  • the washing machine is designed as a device for washing clothes by using electricity.
  • the washing machine includes: a tub for containing washing water; a rotating tub, which is rotatably installed inside the tub; and a pulsator, which is rotatably installed on the rotating tub.
  • the motor and the clutch are configured to rotate the rotating tub and the pulsator; when the rotating tub and the pulsator rotate in a state where the laundry and detergent are introduced into the rotating tub, the pulsator and the pulsator are introduced into the rotating tub
  • the laundry agitates the washing water together, so that the laundry removes stains; in order to increase the washing capacity of the washing machine, a larger rotating tub is required, that is, the height or diameter of the rotating tub needs to be increased; if the rotating tub has a larger size, the rotating tub is accommodated
  • the barrel and the housing of the accommodating barrel also need to increase as the rotating barrel increases.
  • the Chinese patent with the application number CN201621037656.1 discloses a pulsator washing machine, which includes: a non-porous inner tub, a sealing disc and a driving device; the bottom of the non-porous inner tub is provided with a drainage hole; At least a part of the non-porous inner bucket is rotatably arranged at the bottom of the non-porous inner bucket between the open position and the closed position.
  • the sealing plate has a water passage hole.
  • the sealing plate When the sealing plate is in the open position, the water passage hole communicates with the drain hole, and the sealing plate When in the closed position, the sealing disc closes the drain hole, and the sealing plate is located inside the bottom of the non-porous inner barrel; the driving device is respectively connected with the sealing disc and the non-porous inner barrel, and the driving device is used to drive the non-porous inner barrel and the sealing disc to rotate and to drive The sealing disc rotates relative to the non-porous inner barrel.
  • the Chinese patent with the application number CN201621037660.8 discloses a pulsator washing machine, which includes: a non-porous inner tub, a sealing disc and a driving device.
  • the bottom of the non-porous inner tub is provided with a drain hole; at least a part of the sealing disc Compared with the non-porous inner barrel, it is rotatably arranged at the bottom of the non-porous inner barrel between the open position and the closed position.
  • the sealing plate has a water passage hole. When the sealing plate is in the open position, the water passage hole communicates with the drain hole, and the sealing plate is in the closed position.
  • the sealing disc When in position, the sealing disc closes the drain hole; the driving device is respectively connected with the sealing disc and the non-porous inner barrel, and the driving device is used to drive the non-porous inner barrel and the sealing disc to rotate, and to drive the sealing disc to rotate relative to the non-porous inner barrel.
  • the Chinese patent with the application number 201820483370.9 discloses a washing machine and its drainage structure and seal.
  • the washing machine includes: a box; a rotating tub, the rotating tub is rotatably arranged in the box, and the rotating tub
  • a water outlet is provided on the peripheral wall and/or the bottom wall; a water deflector, the water deflector is arranged on the inner circumferential wall of the rotating barrel and covers the water outlet, and the water deflector is provided with a water inlet and defines Out of the water guiding cavity connected with the water inlet and the water outlet, the liquid raised by the rotating bucket due to centrifugal force enters the water guiding cavity through the water inlet and is discharged through the water outlet; ,
  • the sealing member is compressed between the water guide cover and the rotating bucket, and at least one of a surface facing the water guide cover and a surface facing the rotating bucket is formed on the sealing member Sealing ribs.
  • the wall of the washing tub is provided with a water guiding channel, and the dehydration port on the wall of the tub and the water inlet of the water guiding channel are provided A connecting channel and a sealing element are arranged between to prevent the washing water from flowing out of the gap between the dehydration port of the washing tub and the water inlet of the water guiding channel. While ensuring the drainage function, it greatly increases the volume of the washing tub and also Ensure the cleanliness of the internal space.
  • the technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a washing tub structure of a washing machine that can overcome the above problems or at least partially solve the above problems.
  • Another object of the present invention is to provide a washing machine equipped with the above washing tub.
  • a washing bucket of a washing machine wherein the washing bucket is a rotatable water bucket; comprising
  • the dehydration port is arranged on the wall of the washing bucket
  • the water guiding channel is an independent structure extending from top to bottom on the wall of the washing tub. It has a water inlet communicating with the dehydration port and a water outlet for leading out the washing water, at the water inlet and the outlet A water guiding chamber is formed between the nozzles;
  • the sealing element is arranged between the dehydration port and the water inlet.
  • the present invention provides a seal 5 between the dehydration port 2 and the water inlet 4 to prevent wash water from flowing out of the gap between the dehydration port 2 and the water inlet 4. This ensures that the washing water can be quickly discharged from the water guiding channel 3 and optimizes the overall structure.
  • a connecting channel protruding from the wall of the washing tub is provided on the side of the dehydration port facing the water inlet, and the connecting channel is plugged into the water inlet.
  • the sealing member has a through hole sleeved on the connecting channel, the edge of the through hole is provided with a first flanging structure outward toward the side of the water inlet, and the first flanging structure extends into the water inlet.
  • the edge of the water inlet extends along the center line of the water inlet to one side of the water guide channel to form a second flanging structure
  • the insertion length of the connecting channel and the water inlet is less than the length of the first flanging structure extending into the dehydration port and the length of the second flanging structure extending into the dehydration port.
  • the washing water is better guided from the dehydration port into the water guiding channel through the connecting channel and the first flanging structure and the second flanging structure, which improves the dehydration port provided on the barrel wall and the water guide channel.
  • the sealing performance between the water inlets prevents the wash water from flowing out of the gap between the dehydration inlet and the water inlet.
  • the side of the water inlet facing the dehydration opening is provided with a connecting channel protruding from the water guiding channel, and the connecting channel is inserted into the dehydration opening.
  • the sealing element has a through hole sleeved on the connecting channel, the edge of the through hole is provided with a third flanging structure outwardly toward the side of the dehydration port, and the third flanging structure extends into the Dehydration mouth.
  • the connecting channel and the third flanging structure have a guiding effect on the washing water entering the water guiding channel, and the sealing member improves the sealing between the dehydration port and the water inlet, and prevents the washing water from passing between the dehydration port and the water inlet The gap flows out.
  • At least a part of the wall of the washing tub has a groove that opens outward, and the water guiding channel is embedded in the groove,
  • the water guiding channel and the wall of the washing tub form a smooth transitional curved surface.
  • the water guide channel is embedded in the groove of the wall of the washing tub, and the capacity of the washing tub is increased under the condition that the volume of the casing remains unchanged or changes little, and the expansion effect of the washing machine is realized.
  • each water guiding channel corresponds to at least one dehydration opening
  • the dehydration openings are at least two spaced apart along the circumference of the washing tub, and the water guide channels are at least two spaced apart along the circumference of the washing tub.
  • the water guiding channel is set to communicate with the dehydration port, which effectively utilizes the flow trend of the water flow during the dehydration of the washing tub, while ensuring the function and reducing the energy consumption.
  • the water guiding channel is at least partially made of metal material, and the water guiding channel and the washing tub are connected by welding.
  • a washing machine having the washing tub of the above-mentioned washing machine, including a box body,
  • a water receiving device for collecting the washing water guided and discharged through the water guide channel is also provided in the tank body;
  • the water receiving device is located at the lower position outside the washing tub,
  • a drainage channel for draining washing water is provided on the water receiving device
  • the water receiving device is a cavity structure with an opening on the upper part, and the bottom wall is arranged under the washing tub;
  • the upper opening of the water receiving device is set lower than the dehydration port of the washing tub;
  • the water receiving device is located below the washing tub and arranged coaxially with the washing tub.
  • the present invention has the following beneficial effects compared with the prior art:
  • the dehydration port of the washing tub is placed on the wall of the washing tub, and a water guide channel is set to communicate with the dehydration port, which effectively utilizes the flow trend of the water flow during the dehydration of the washing tub, and reduces energy consumption while ensuring functions;
  • the outer bucket is eliminated, and the washing bucket is a water bucket. No water is stored between the inner and outer buckets during the washing process, which reduces the washing water consumption and saves the washing water consumption;
  • a seal is provided between the water inlet of the water guiding channel and the dehydration opening of the wall of the washing tub, and a connecting channel extending into the water inlet of the water guiding channel is provided at the dehydration opening of the wall of the washing barrel, or in the water guiding channel
  • the water inlet is provided with a connection channel extending into the dehydration port of the washing barrel wall to guide the washing water into the water guide channel, which effectively reduces the washing water in the barrel from between the water inlet and the dehydration port during the dehydration operation. Spilled from the gap;
  • Flanging is provided on the side of the seal facing the water guiding channel to further prevent the leakage of washing water.
  • Figure 1 is an exploded schematic diagram of the structure of the washing tub of the present invention
  • Figure 2 is a schematic front view of the structure of the washing tub of the present invention.
  • FIG. 3 is a schematic top view of the structure of the washing tub of the present invention.
  • Fig. 4 is a partial enlarged view of A in Fig. 2.
  • the present invention provides a washing tub 1 of a washing machine.
  • a dehydration port 2 is provided on the top of the wall of the washing tub 1, and is configured to wash the interior of the washing tub 1 during dehydration operation.
  • the opening structure of the water outlet, corresponding to the dehydration port 2 is provided with a water guiding channel 3 that leads the washing water in the washing tub 1 to the water receiving device at the lower part of the washing tub 1.
  • the water guiding channel 3 is extended from top to bottom in the washing tub 1
  • the independent structure of the barrel wall has a water inlet 4 connected to the dehydration port 2. Due to the expansion of the washing machine, the dehydration stage water is discharged from the water guide channel 3 and enters the water channel.
  • the present invention places the dehydration port 2 of the washing tub 1 in the washing tub 1
  • the wall is provided with a water guide channel 3 to communicate with the dehydration port 2, which effectively utilizes the flow trend of the water flow of the washing tub 1 during dehydration, while ensuring functions and reducing energy consumption.
  • the water guiding channel 3 of the independent chamber increases the service life of the washing tub 1 and is also convenient for maintenance and replacement.
  • the water guiding channel 3 and the outer wall of the washing tub 1 form a smooth transition surface. When the washing tub 1 rotates at a high speed, The smooth transition of the curved surface can effectively reduce wind resistance, reduce energy consumption, and improve washing efficiency.
  • the present invention in order to expand the volume of the washing tub 1 in the present invention, so that more clothes can be accommodated during the washing operation, the present invention omits the outer tub originally provided outside the washing tub 1 without After the outer barrel, the water discharged from the water channel enters the drainage groove at the bottom, which is required for capacity expansion.
  • the height of the drainage groove is limited.
  • the water level in the drainage groove has a certain height.
  • the water guiding channel 3 mainly includes a housing, a water inlet 4 provided at one end of the housing, and a water inlet 4 provided at the other end of the housing.
  • the water outlet of the housing has a water guiding chamber from the water inlet 4 to the water outlet.
  • the housing mainly includes an arc-shaped outer wall at the far end of the washing tub 1 and an inner wall at the proximal end of the washing tub 1,
  • the inner wall is close to the side of the washing tub 1 and is set so that the radius of the outer wall of the casing is smaller than the radius of the inner wall of the casing, and the radius of the inner wall of the casing is smaller than the radius of the wall of the washing tub 1, that is, the radius of the outer wall of the casing is smaller than the radius of the washing tub
  • the outer wall of the water channel 3 is set in a large arc shape to reduce the contact area with water during dehydration, and to ensure that the washing water can be discharged from the water channel 3 more quickly.
  • each water guiding channel 3 corresponds to at least one dehydration opening 2; preferably, the dehydration opening 2 is at least two along the circumference of the washing tub 1. It is arranged at intervals, and the water guiding channel 3 is at least two arranged at intervals along the circumference of the washing tub 1.
  • the water guiding channel 3 and the wall of the washing tub 1 form a smooth transition surface.
  • the cross-sectional area of the water outlet end of the water guiding channel 3 is larger than the cross-sectional area of the water inlet 4; preferably, the water outlet end of the water guiding channel 3 expands along the rotation direction of the washing tub 1; more preferably, the water outlet end of the water guiding channel 3 is Open structure; more preferably, the water outlet end of the water guide channel 3 is a bell-shaped structure; also preferably, the water guide channel 3 is provided with an arc-shaped outer wall at the distal end of the washing tub 1, and the radius of the arc-shaped outer wall Less than the radius of the washing tub 1.
  • the present invention provides a sealing member 5 between the dehydration port 2 and the water inlet 4.
  • the sealing member 5 shown can effectively prevent the washing water from splashing from the gap between the wall of the washing tub 1 and the water guiding channel 3.
  • the washing tub 1 of the present invention is a barrel structure configured to contain washing water during the washing process; the wall of the washing tub 1 is located below the dehydration opening 2 Closed arrangement, the closed structure ensures that the washing tub 1 is in a non-porous state.
  • This arrangement eliminates the need for the outer tub structure, and uses the inner tub as the main body for holding clothes and washing water.
  • the overall volume of the washing machine remains unchanged or changes little Bottom, the capacity of the washing tub 1 is increased, and the expansion effect of the washing machine is realized. Because the previous washing machine needs to be equipped with an outer tub, the corresponding washing and dehydration work can be completed through the cooperation of the outer tub and the inner tub.
  • washing tub 1 of the present invention water only exists in the washing tub 1, avoiding the storage of water between the inner and outer tubs of the traditional washing machine and the outer tub.
  • the inner wall and the outer wall of the washing tub 1 have a better washing effect.
  • the outer tub is eliminated, and the washing tub 1 is a water bucket. No water is stored between the inner and outer tubs during the washing process, which reduces the washing water. The amount of washing water is saved.
  • the water guiding channel 3 of the present invention further includes a first water guiding part closely attached to the outside of the wall of the washing tub 1; a second water guiding part communicating with the water outlet of the first water guiding part ;
  • the second water guide guides the washing water to the water receiving device at the lower part of the washing tub 1. Since the washing tub 1 is rotating at a high speed during the dehydration operation, in order to avoid the washing water in the state of the washing tub 1 rotating at a high speed, The water guiding channel 3 flows back into the washing tub 1. Therefore, in the present invention, the outer wall of the first water guiding portion is arranged in the direction from the top of the washing tub 1 to the bottom, and the distance from the axis of the washing tub 1 gradually changes.
  • the outer wall of the second water guiding part is arranged from the top of the washing tub 1 toward the bottom direction, and the distance from the axis of the washing tub 1 is gradually changing; more preferably, the distance from the first water guiding portion to the axis of the washing tub 1 is increasing. Change; the distance between the second water guide portion and the axis of the washing tub 1 shows a decreasing trend.
  • the multi-section water guide channel 3 provided in the present invention takes advantage of the flow trend of water in the high-speed rotating washing tub 1 and avoids the draining process The water flow is countercurrent to ensure the concentrated discharge of the water flow during the discharge process.
  • the washing tub 1 of the washing machine in this embodiment includes a dehydration port 2, which is arranged on the wall of the washing tub 1, and is configured as an opening through which the washing water inside the washing tub 1 is led out Structure;
  • the water guide channel 3 is an independent structure extending from top to bottom on the wall of the washing tub 1 and has a water inlet 4 connected to the dehydration port 2, which leads the washing water inside the washing tub 1 to the lower part of the washing tub 1
  • the water channel 3 is provided on the outer peripheral wall of the washing tub 1 and includes a housing, a water inlet 4 provided at one end of the housing, and a water outlet provided at the other end of the housing.
  • the housing has a water guide from the water inlet 4 to the water outlet.
  • the seal 5 is arranged between the dehydration port 2 and the water inlet 4, and is configured to prevent the washing water from the gap between the dehydration port 2 and the water inlet 4 Outflow.
  • the present invention provides a sealing member 5 between the dehydration port 2 and the water inlet 4 to prevent the washing water from flowing out of the gap between the dehydration port 2 and the water inlet 4, and further ensure the washing Water can be quickly discharged from the water guiding channel 3, which optimizes the overall structure.
  • the dehydration port 2 of the washing tub 1 is placed on the wall of the washing tub 1, and a water guide channel 3 is arranged to communicate with the dehydration port 2, which effectively utilizes the flow trend of the water flow during the dehydration of the washing tub 1, and ensures the function while reducing Energy consumption.
  • a washing tub 1 of a washing machine has a dehydration port 2 provided on the upper end of the wall of the washing tub 1, and is configured as an opening structure for leading out the washing water inside the washing tub 1;
  • a water guiding channel 3 is connected to the dehydration port 2.
  • the water guiding channel 3 is an independent structure extending from the top to the bottom of the wall of the washing tub 1 and has a water inlet 4 connected to the dehydration port 2 to transfer the washing water inside the washing tub 1 Lead out to the lower part of the washing tub 1; in order to prevent washing water from flowing out of the gap between the dehydration port 2 and the water inlet 4, a seal 5 is provided between the dehydration port 2 and the water inlet 4.
  • a side of the dehydration port 2 facing the water inlet 4 is provided with a protrusion protruding from the barrel wall of the washing tub 1.
  • the connecting channel 6 is inserted into the water inlet 4; further, the sealing member 5 has a through hole that can be sleeved on the connecting channel 6, and the sealing member 5 is extruded and arranged between the dehydration port 2 and the water inlet 4, and is sleeved On the connecting channel 6, the connecting channel 6 extends into the water inlet 4 toward the side of the water inlet 4.
  • the connecting channel 6 has a guiding function for the washing water to enter the water guiding channel 3, and the sealing member 5 improves the dehydration port 2 and the water inlet The tightness between 4 prevents wash water from flowing out of the gap between the dehydration port 2 and the water inlet 4.
  • the sealing member 5 is a sealing ring or sealant ring placed on the edge of the dehydration port 2.
  • the specific application of the sealing member 5 can be selected according to actual conditions. This embodiment is only a preferred embodiment.
  • a washing tub 1 of a washing machine has a dehydration port 2 provided on the upper end of the wall of the washing tub 1, and is configured as an opening structure for leading out the washing water inside the washing tub 1;
  • a water guiding channel 3 is connected to the dehydration port 2.
  • the water guiding channel 3 is an independent structure extending from the top to the bottom of the wall of the washing tub 1 and has a water inlet 4 connected to the dehydration port 2 to transfer the washing water inside the washing tub 1 Lead out to the lower part of the washing tub 1; in order to prevent washing water from flowing out of the gap between the dehydration port 2 and the water inlet 4, a seal 5 is provided between the dehydration port 2 and the water inlet 4.
  • a side of the dehydration port 2 facing the water inlet 4 is provided with a protrusion protruding from the barrel wall of the washing tub 1.
  • the connecting channel 6 is inserted into the water inlet 4; further, the sealing member 5 has a through hole that can be sleeved on the connecting channel 6, and the edge of the through hole faces the water inlet 4 side outwardly with a first flange structure 7 ,
  • the first flanging structure 7 extends into the water inlet 4;
  • the sealing member 5 is extruded and arranged between the dehydration port 2 and the water inlet 4, and is sleeved on the connecting channel 6, and the connecting channel 6 extends toward the side of the water inlet 4
  • the first flanging structure 7 of the sealing member 5 also extends into the water inlet 4.
  • the connecting channel 6 and the first flanging structure 7 have a guiding effect on the washing water entering the water guiding channel 3, and the sealing element 5 improves The tightness between the dehydration port 2 and the water inlet 4 is improved, and the washing water is prevented from flowing out of the gap between the dehydration port 2 and the water inlet 4.
  • the length of the connecting channel 6 inserted into the water inlet 4 is less than the length of the first flanging structure 7 extending into the dehydration port 2, so as to better guide the washing water from the dehydration hole through the connecting channel 6 and the first flanging structure 7 into the water guide Channel 3.
  • a washing tub 1 of a washing machine has a dehydration port 2 provided on the upper end of the wall of the washing tub 1, and is configured as an opening structure for leading out the washing water inside the washing tub 1;
  • a water guiding channel 3 is connected to the dehydration port 2.
  • the water guiding channel 3 is an independent structure extending from the top to the bottom of the wall of the washing tub 1. It has a water inlet 4 connected to the dehydration port 2, and the washing water inside the washing tub 1 Lead out to the lower part of the washing tub 1; in order to prevent washing water from flowing out of the gap between the dehydration port 2 and the water inlet 4, a seal 5 is provided between the dehydration port 2 and the water inlet 4.
  • a side of the dehydration port 2 facing the water inlet 4 is provided with a protrusion protruding from the barrel wall of the washing tub 1.
  • the edge of the water inlet 4 extends along the center line of the water inlet 4 on the side of the water guiding channel 3 to form a second flanging structure 8, and the connecting channel 6 is inserted into the water inlet 4; further, the sealing member 5 has a connection
  • the through hole on the channel 6 is provided with a first flanging structure 7 on the edge of the through hole toward the side of the water inlet 4, and the first flanging structure 7 extends into the water inlet 4; the sealing member 5 is extruded and arranged on the dehydration port 2 and The water inlet 4 is sleeved on the connecting channel 6.
  • the connecting channel 6 extends into the water inlet 4 toward the side of the water inlet 4, and the first flange structure 7 of the sealing member 5 also extends into the water inlet 4 to connect
  • the channel 6, the first flanging structure 7 and the second flanging structure 8 cooperate to guide the washing water into the water guiding channel 3.
  • the sealing member 5 improves the sealing performance between the dehydration port 2 and the water inlet 4 and prevents washing The water flows out from the gap between the dehydration port 2 and the water inlet 4.
  • the length of the connecting channel 6 inserted into the water inlet 4 is less than the length of the first flanging structure 7 extending into the dehydration port 2 is less than the length of the second flanging structure 8 extending into the dehydration port 2, so as to better guide the washing water from the dehydration port 2 Enter the water guiding channel 3 through the connecting channel 6 and the first flanging structure 7 and the second flanging structure 8, which increases the gap between the dehydration port 2 provided on the barrel wall and the water inlet 4 provided on the water channel 3
  • the sealing performance prevents wash water from flowing out of the gap between the dehydration port 2 and the water inlet 4.
  • a washing tub 1 of a washing machine has a dehydration port 2 provided on the upper end of the wall of the washing tub 1, and is configured as an opening structure for leading out the washing water inside the washing tub 1;
  • a water guiding channel 3 is connected to the dehydration port 2.
  • the water guiding channel 3 is an independent structure extending from the top to the bottom of the wall of the washing tub 1 and has a water inlet 4 connected to the dehydration port 2 to transfer the washing water inside the washing tub 1 Lead out to the lower part of the washing tub 1; in order to prevent washing water from flowing out of the gap between the dehydration port 2 and the water inlet 4, a seal 5 is provided between the dehydration port 2 and the water inlet 4.
  • the side of the water inlet 4 facing the dehydration port 2 is provided with protruding out of the water guide channel 3 housing
  • the connecting channel 6 of the wall is inserted into the dehydration port 2.
  • the sealing member 5 has a through hole that can be sleeved on the connecting channel 6, a third flanging structure is provided on the side of the through hole facing the dehydration port 2, and the third flanging structure extends into the dehydration port 2; sealing The member 5 is squeezed and arranged between the dehydration port 2 and the water inlet 4, and is sleeved on the connecting channel 6.
  • the connecting channel 6 extends into the dehydration port 2 toward the side of the dehydration port 2.
  • the third flanging structure of the sealing member 5 It also extends into the dehydration port 2.
  • the connecting channel 6 and the third flange structure guide the washing water into the water guide channel 3.
  • the seal 5 improves the sealing between the dehydration port 2 and the water inlet 4 and prevents washing. The water flows out from the gap between the dehydration port 2 and the water inlet 4.
  • the structure of the washing tub 1 of the washing machine in this embodiment is configured as a tub structure for containing washing water during the washing process, and the wall of the washing tub 1 is located below the dehydration opening 2.
  • the part of the washing machine is closed.
  • This setting allows the washing machine to omit the outer tub structure.
  • the water only exists in the washing tub 1, avoiding the storage of water between the inner and outer tubs of the traditional washing machine and the inner wall of the outer tub and the outer wall of the washing tub 1
  • the problem of "dirt holding" has a better washing effect.
  • the outer bucket is eliminated, and washing bucket 1 is a water bucket. No water is stored between the inner and outer buckets during the washing process, which reduces the washing water consumption and saves the washing water consumption. Under the condition that the volume of the cabinet remains unchanged or changes little, the capacity of the washing tub 1 is increased, and the capacity expansion effect of the washing machine is realized.
  • a washing tub 1 of a washing machine has a dehydration port 2 provided on the upper end of the wall of the washing tub 1, and is configured as an opening structure for leading out the washing water inside the washing tub 1;
  • a water guiding channel 3 is connected to the dehydration port 2.
  • the water guiding channel 3 is an independent structure extending from the top to the bottom of the wall of the washing tub 1 and has a water inlet 4 connected to the dehydration port 2 to transfer the washing water inside the washing tub 1 Lead out to the lower part of the washing tub 1; in order to prevent washing water from flowing out of the gap between the dehydration port 2 and the water inlet 4, a seal 5 is provided between the dehydration port 2 and the water inlet 4.
  • the water guiding channel 3 is at least partially made of metal, and the water guiding channel 3 and the washing tub 1 are connected by welding; preferably, the sealing member 5 is placed in the water inlet 4 before welding, and then the connecting channel 6 is inserted into the water channel Water inlet 4.
  • the reliable sealing between the water guiding channel 3 and the washing tub 1 is achieved by welding and partial sealing.
  • a water guiding channel 3 is provided on the outer wall of the washing tub 1, connected to the water guiding channel 3, and a dehydration port 2 is provided on the top of the wall of the washing tub 1.
  • the connection between the channel 3 and the washing tub 1 is provided with a connecting structure. Specifically, the water guiding channel 3 and the washing tub 1 are connected by threads. During use, if the water guiding channel 3 is broken or blocked, Users or maintenance personnel can disassemble it for maintenance.
  • connection structure described in this embodiment is evenly distributed in the through-hole structure on both sides of the water guiding channel 3.
  • the bolts can connect the water guiding channel 3 and the washing tub 1 through the through holes.
  • the threaded connection in this embodiment is only a preferred For the embodiments, those skilled in the art can understand it as other technical means commonly used in the art, such as snap connection, plug connection, etc.
  • At least the sealing member 5 provided in the second to fourth embodiments of the present invention can also be used for sealing at the connection.
  • the washing tub 1 of the washing machine in this embodiment is provided with a dehydration port 2 on the top of the wall of the washing tub 1, which is configured to drain the washing water inside the washing tub 1 during the dehydration operation of the washing tub 1
  • the opening structure corresponding to the dehydration port 2 is provided with a water guiding channel 3 that leads the washing water in the washing tub 1 to the water receiving device at the lower part of the washing tub 1.
  • the water guiding channel 3 is provided on the wall of the washing tub 1 and communicates with the dehydration port 2. Due to the expansion of the washing machine, the water in the dehydration stage is discharged from the dehydration port 2 and enters the water guide channel 3.
  • the present invention places the dehydration port 2 of the washing tub 1 on the wall of the washing tub 1, and the water guide channel 3 is connected to the dehydration port 2, which is effective
  • the flow trend of the water flow during the dehydration of the washing tub 1 is effectively utilized, while ensuring the function, the energy consumption is reduced.
  • the water guiding channel 3 is an independent structure embedded in the groove of the washing tub 1.
  • the water guiding channel 3 is provided with a water guiding chamber, and the washing tub 1 performs dehydration operation. At this time, the washing water in the washing tub 1 is led out from the water guiding chamber in the water guiding channel 3 through the dehydration port 2. Since the washing tub 1 rotates at a high speed during the dehydration operation, the water guiding channel 3 is used in this embodiment.
  • a smooth transitional curved surface is formed with the outer wall of the washing tub 1. When the washing tub 1 rotates at a high speed, the smooth transitional curved surface can effectively reduce wind resistance, reduce energy consumption, and improve washing efficiency.
  • the washing tub 1 of the washing machine in this embodiment is provided with a dehydration port 2 on the top of the wall of the washing tub 1, and is configured to wash the inside of the washing tub 1 during the dehydration operation of the washing tub 1.
  • the opening structure of the water outlet, corresponding to the dehydration port 2 is provided with a water guiding channel 3 that leads the washing water in the washing tub 1 to the water receiving device at the lower part of the washing tub 1.
  • the water guiding channel 3 is provided on the outer wall of the washing tub 1 and the dehydration port 2 Due to the expansion of the washing machine, the water in the dehydration stage is discharged from the water passage and enters the water passage.
  • the present invention places the dehydration port 2 of the washing tub 1 on the wall of the washing tub 1, and sets the water guide channel 3 to communicate with the dehydration port 2, effectively using
  • the flow trend of the water flow during the dehydration of the washing tub 1 ensures the function and reduces the energy consumption.
  • the water guiding channel 3 of this embodiment also includes a first water guiding part that is closely attached to the outside of the wall of the washing tub 1; a second water guiding part communicating with the water outlet of the first water guiding part; preferably ,
  • the outer wall of the first water guiding portion is from the top of the washing tub 1 toward the bottom, and the distance from the axis of the washing tub 1 is gradually changing; the outer wall of the second water guiding portion is from the top of the washing tub 1 toward the bottom direction, and is away from the washing tub 1.
  • the distance of the axis shows a gradual change trend; more preferably, the distance between the first water guiding portion and the axis of the washing tub 1 changes in an increasing trend; the distance between the second water guiding portion and the axis of the washing tub 1 changes in a decreasing trend.
  • the multi-stage water guiding channel 3 utilizes the flow tendency of the water in the high-speed rotating washing tub 1 to avoid the reverse flow of the water during the draining process, and to ensure the concentrated discharge of the water during the draining process.
  • the washing machine described in this embodiment is equipped with the washing tub 1 of the above-mentioned washing machine, and includes a cabinet configured as the main body of the washing machine.
  • the washing tub 1 of the above-mentioned washing machine is arranged in the cabinet, and a balance ring is arranged on the top of the washing tub 1.
  • a water receiving device for collecting the washing water guided and discharged through the water guiding channel 3 is provided at the bottom of the washing tub 1.
  • a water guiding channel 3 for draining the washing water is provided on the water receiving device, and the washing tub 1 is also provided with a drain , Used to drain the excess water inside the washing tub 1, the water guide channel 3 is set close to the drain of the washing tub 1, in order to facilitate the draining of the washing water in the water receiving device, but also the excess water in the washing tub 1 .
  • the water receiving device of the present invention has a cavity structure with an opening on the upper part, and the upper opening of the water receiving device is not higher than the dehydration opening 2 of the washing tub 1.
  • the washing machine described in this embodiment is equipped with the washing tub 1 of the washing machine, and the washing tub 1 of the washing machine is arranged in the cabinet, and a balance ring is arranged on the top of the washing tub 1, and is provided at the bottom of the washing tub 1, A water receiving device that collects the washing water guided and discharged through the water guiding channel 3.
  • a water guiding channel 3 for discharging the washing water is provided on the water receiving device.
  • the washing tub 1 is also provided with a drain for draining the water inside the washing tub 1
  • the water guiding channel 3 is arranged near the drain of the washing tub 1, in order to facilitate the draining of the washing water in the water receiving device, as well as the excess water inside the washing tub 1.
  • the upper opening of the water receiving device is set lower than the dewatering port 2 of the washing tub 1 to avoid backflow from the dewatering port 2 to the washing tub 1 when the water in the water receiving device is too much.
  • the washing machine described in this embodiment is equipped with the washing tub 1 of the washing machine, and the washing tub 1 of the washing machine is arranged in the cabinet, and a balance ring is arranged on the top of the washing tub 1, and is provided at the bottom of the washing tub 1, A water receiving device that collects the washing water guided and discharged through the water guiding channel 3.
  • a water guiding channel 3 for discharging the washing water is provided on the water receiving device.
  • the washing tub 1 is also provided with a drain for draining the water inside the washing tub 1
  • the water guiding channel 3 is arranged near the drain of the washing tub 1, in order to facilitate the draining of the washing water in the water receiving device, as well as the excess water inside the washing tub 1.
  • the water receiving device is located below the washing tub 1, and the axis of the water receiving device and the axis of the washing tub 1 are arranged collinearly.
  • the washing machine described in this embodiment is equipped with the washing tub 1 of the above-mentioned washing machine, and includes a cabinet configured as the main body of the washing machine.
  • the washing tub 1 of the above-mentioned washing machine is arranged in the cabinet, and a balance ring is arranged on the top of the washing tub 1.
  • a water receiving device for collecting the washing water guided and discharged through the water guiding channel 3 is provided at the bottom of the washing tub 1.
  • a water guiding channel 3 for draining the washing water is provided on the water receiving device, and the washing tub 1 is also provided with a drain , Used to drain the excess water inside the washing tub 1, the water guide channel 3 is set close to the drain of the washing tub 1, in order to facilitate the draining of the washing water in the water receiving device, but also the excess water in the washing tub 1 .
  • a concave water collection tank is provided at the bottom of the water receiving device.
  • the water collection tank is circumferentially arranged along the bottom wall of the water receiving device to collect the washing water derived from the water guiding channel 3.
  • the bottom wall of the water collection cavity of the water collection device is provided with a water guide channel 3 for guiding water to the drainage port, which can better guide and drain water, ensure the water collection and drainage of the water collection device, and prevent its accumulated water from overflowing.
  • the second water guiding part of the water guiding channel 3 guides the washing water in the washing tub 1 into the sump;
  • the upper edge of the water collection tank is higher than the height of the position where the water outlet end of the second water guiding part is located;
  • the upper edge of the sump is not higher than half the height of the washing tub 1 from bottom to top.
  • the water collection device on the outside of the bottom of the washing tub 1 is provided with a locking structure.
  • the locking structure pops up during washing and is combined with the positioning on the flange at the bottom of the washing tub 1.
  • the washing tub 1 is locked; in addition, in order to avoid the loss of washing water in the washing machine during the washing process, a valve plug is provided at the bottom of the washing tub 1.
  • the valve plug and the bottom of the washing tub 1 The drainage hole is matched to block the drainage hole to prevent the washing water in the washing tub 1 from overflowing.

Landscapes

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

Abstract

Cuve de lavage d'un lave-linge et lave-linge, la cuve de lavage (1) étant un réservoir rotatif de retenue d'eau, comprenant un orifice d'essorage (2), qui est disposé sur la paroi de la cuve de lavage (1) ; un canal de guidage d'eau (3), qui est une structure indépendante s'étendant de haut en bas sur la paroi de la cuve de lavage (1) et est pourvu d'une entrée d'eau (4) qui communique avec l'orifice d'essorage (2) et une sortie d'eau qui fait sortir l'eau de lavage, une chambre de guidage d'eau étant formée entre l'entrée d'eau (4) et la sortie d'eau ; et un joint d'étanchéité (5), qui est disposé entre l'orifice d'essorage (2) et l'entrée d'eau (4). Un côté de l'orifice d'essorage (2) faisant face à l'entrée d'eau (4) est pourvu d'un canal de liaison (6) qui fait saillie à partir de la paroi de la cuve de lavage (1). Le joint d'étanchéité (5) est pourvu d'un trou traversant emmanché sur le canal de liaison (6), et une première structure de bride (7) est disposée sur un côté du trou traversant faisant face à l'entrée d'eau (4). Le canal de liaison (6) et la structure de bride du joint d'étanchéité (5) guident l'eau de lavage à entrer dans le canal de guidage d'eau (3), ce qui permet de réduire efficacement les cas dans lesquels l'eau de lavage dans la cuve gicle depuis un espace entre l'entrée d'eau (4) et l'orifice d'essorage (2) pendant un processus d'opération d'essorage.
PCT/CN2020/095142 2019-06-19 2020-06-09 Cuve de lavage de lave-linge et lave-linge Ceased WO2020253579A1 (fr)

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