WO2020037936A1 - Robinet de vidange de machine à laver et machine à laver - Google Patents

Robinet de vidange de machine à laver et machine à laver Download PDF

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Publication number
WO2020037936A1
WO2020037936A1 PCT/CN2019/070075 CN2019070075W WO2020037936A1 WO 2020037936 A1 WO2020037936 A1 WO 2020037936A1 CN 2019070075 W CN2019070075 W CN 2019070075W WO 2020037936 A1 WO2020037936 A1 WO 2020037936A1
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WO
WIPO (PCT)
Prior art keywords
valve
water
drain
drainage
tub
Prior art date
Application number
PCT/CN2019/070075
Other languages
English (en)
Chinese (zh)
Inventor
伍亚
李章京
蒋元慧
熊力宁
Original Assignee
无锡小天鹅电器有限公司
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Filing date
Publication date
Application filed by 无锡小天鹅电器有限公司 filed Critical 无锡小天鹅电器有限公司
Publication of WO2020037936A1 publication Critical patent/WO2020037936A1/fr

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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
    • D06F21/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement 
    • 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 
    • D06F39/04—Heating 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves

Definitions

  • the present invention relates to the technical field of electrical appliance manufacturing, and in particular, to a drain valve for a washing machine and a washing machine having the same.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a drain valve for a washing machine, which can prevent water leakage during washing.
  • the invention also proposes a washing machine having the drain valve for a washing machine.
  • a drain valve for a washing machine includes a valve body having a first drain port, a second drain port, and a third A drain plug; the valve plug is movably provided on the valve body between a first position and a second position, and the valve plug separates the first drain port and the valve when the valve plug is in the first position; The third drainage opening separates the second drainage opening and the third drainage opening, and the valve plug communicates with the first drainage opening and the third drainage opening and communicates with the third drainage opening when the valve plug is in the second position; The second drainage port and the third drainage port.
  • the valve plug when the washing machine is in a washing state, the valve plug is in the first position, and the valve plug separates the first drain port and the third drain port and separates the second drain port and the third drain port.
  • the water in the drain outlet, the inner tub and the outer tub are sealed. Therefore, the water in the outer tub and the inner tub cannot be discharged through the drain valve, which reduces the direct waste of washing water and avoids water leakage during the washing process.
  • the first drainage port is an outer tub drainage port
  • the second drainage port is an inner tub drainage port
  • the third drainage port is an external drainage port
  • the first position is closed.
  • Position and the second position is an open position.
  • the outer tub drain and the inner tub drain are separated.
  • a sealing surface is configured in the valve body, the sealing surface has an outer bucket water hole and an inner bucket water hole, and the outer bucket drain port communicates with the outer bucket water hole through the outer bucket water hole.
  • the external drainage port communicates with the external drainage port through the internal drainage hole; when the valve plug is in the closed position, it is pressed against the sealing surface and closes the external tub to allow water Hole and the inner bucket water hole, the valve plug is separated from the sealing surface and the outer bucket water hole and the inner bucket water hole are opened when the valve plug is in the open position.
  • valve plug is provided with an inner seal groove and an outer seal groove surrounding the outside of the inner seal groove; when the valve plug is located in the closed position, the inner barrel water hole is sealed at The inner seal groove and the outer bucket water hole are sealed in the outer seal groove.
  • the outer barrel water-passing hole includes a plurality of arc-shaped segments arranged at intervals around the outside of the inner barrel water-passing hole.
  • the depth of the outer seal groove is greater than the depth of the inner seal groove.
  • the valve body has an outer bucket drainage channel, an inner bucket drainage channel, and an external drainage channel, and the outer bucket drainage channel communicates with the outer bucket drainage port and the outer bucket water hole, and An inner bucket drainage channel communicates with the inner bucket drainage port and the inner bucket water hole, and the outer drainage channel connects the outer bucket water hole with the outer drainage hole and connects the inner bucket water hole with the outer drainage hole. At least a part of the valve plug is disposed in the external drainage channel.
  • the axial direction of the outer tub drain opening is arranged in the up-down direction and the opening faces upward
  • the axial direction of the external drain opening is arranged in the up-down direction and the opening faces downward.
  • the axial direction is arranged along the horizontal direction and is perpendicular to the plane where the central axis of the outer tub drain and the central axis of the external drain are located.
  • the valve body includes: a valve housing, the outer barrel drainage port, the inner barrel drainage port, and the external drainage port are provided on the valve casing; a valve cover, the valve cover The valve housing is detachably mounted, and the valve plug is mounted on the valve cover and is partially sandwiched between the valve cover and the valve housing.
  • the valve plug has an elastic member that often pushes the valve plug toward the closed position.
  • a washing machine includes: an outer tub; an inner tub rotatably provided in the outer tub; according to an embodiment of the first aspect of the present invention
  • the outer tub drain is in communication with the outer tub and the inner tub drain is in communication with the inner tub.
  • the washing machine according to the present invention has the advantage of not leaking water during the washing process by using the drain valve for the washing machine according to the embodiment of the first aspect of the present invention.
  • a water outlet is provided on a peripheral wall and / or a bottom wall of the inner barrel, and a water guide cover covering the water outlet is provided on an inner peripheral wall surface of the inner barrel.
  • a water inlet is provided and defines a water guiding cavity that communicates with the water inlet and the water outlet. The liquid that rises due to the centrifugal force of the inner tub enters the water guiding cavity through the water inlet and passes through the water outlet. The spout is discharged to the outer tub.
  • the height of the outer tub is smaller than the height of the inner tub.
  • a drain valve for a washing machine includes a valve body having an outer tub drain, an inner tub drain, and an external drain.
  • a valve plug which is movably provided on the valve body between an open position and a closed position, the valve plug separating the outer tub drain port and the external drain port when the valve plug is in the closed position, and The inner bucket drain and the external drain are separated, and the valve plug communicates with the external bucket drain and the external drain when the valve plug is in the open position, and connects the inner bucket drain and the external drain.
  • the valve plug when the washing machine is in a washing state, the valve plug is in the closed position, the valve plug divides the outer tub drain port and the outer drain port and separates the inner tub drain port and the outer drain port, the inner tub.
  • the water in the outer tub and the inner tub are sealed. Therefore, the water in the outer tub and the inner tub cannot be discharged through the drain valve, which reduces the direct waste of washing water and avoids water leakage during the washing process.
  • the outer tub drain and the inner tub drain are separated.
  • a sealing surface is configured in the valve body, the sealing surface has an outer bucket water hole and an inner bucket water hole, and the outer bucket drain port communicates with the outer bucket water hole through the outer bucket water hole.
  • the external drainage port communicates with the external drainage port through the internal drainage hole; when the valve plug is in the closed position, it is pressed against the sealing surface and closes the external tub to allow water Hole and the inner bucket water hole, the valve plug is separated from the sealing surface and the outer bucket water hole and the inner bucket water hole are opened when the valve plug is in the open position.
  • valve plug is provided with an inner seal groove and an outer seal groove surrounding the outside of the inner seal groove; when the valve plug is located in the closed position, the inner barrel water hole is sealed at The inner seal groove and the outer bucket water hole are sealed in the outer seal groove.
  • the outer barrel water-passing hole includes a plurality of arc-shaped segments arranged at intervals around the outside of the inner barrel water-passing hole.
  • the depth of the outer seal groove is greater than the depth of the inner seal groove.
  • the valve body has an outer bucket drainage channel, an inner bucket drainage channel, and an external drainage channel, and the outer bucket drainage channel communicates with the outer bucket drainage port and the outer bucket water hole, and An inner bucket drainage channel communicates with the inner bucket drainage port and the inner bucket water hole, and the outer drainage channel connects the outer bucket water hole with the outer drainage hole and connects the inner bucket water hole with the outer drainage hole. At least a part of the valve plug is disposed in the external drainage channel.
  • the axial direction of the outer tub drain opening is arranged in the up-down direction and the opening faces upward
  • the axial direction of the external drain opening is arranged in the up-down direction and the opening faces downward.
  • the axial direction is arranged along the horizontal direction and is perpendicular to the plane where the central axis of the outer tub drain and the central axis of the external drain are located.
  • the valve body includes: a valve housing, the outer barrel drainage port, the inner barrel drainage port, and the external drainage port are provided on the valve casing; a valve cover, the valve cover The valve housing is detachably mounted, and the valve plug is mounted on the valve cover and is partially sandwiched between the valve cover and the valve housing.
  • the valve plug has an elastic member that often pushes the valve plug toward the closed position.
  • a washing machine includes an outer tub, an inner tub rotatably provided in the outer tub, and an embodiment of the third aspect of the present invention.
  • the outer tub drain is in communication with the outer tub and the inner tub drain is in communication with the inner tub.
  • the washing machine according to the present invention has the advantages of not leaking water during the washing process by using the drain valve for the washing machine according to the embodiment of the third aspect of the present invention.
  • a water outlet is provided on a peripheral wall and / or a bottom wall of the inner barrel, and a water guide cover covering the water outlet is provided on an inner peripheral wall surface of the inner barrel.
  • a water inlet is provided and defines a water guiding cavity that communicates with the water inlet and the water outlet. The liquid that rises due to the centrifugal force of the inner tub enters the water guiding cavity through the water inlet and passes through the water outlet. The spout is discharged to the outer tub.
  • the height of the outer tub is smaller than the height of the inner tub.
  • FIG. 1 is a sectional view of a washing machine according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a drain valve of a washing machine according to an embodiment of the present invention.
  • FIG. 3 is a sectional view of a drain valve of a washing machine according to an embodiment of the present invention.
  • FIG. 4 is a partial structural diagram of a valve body of a drain valve of a washing machine according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a valve plug of a drain valve of a washing machine according to an embodiment of the present invention.
  • Inner bucket 20 water outlet 21, water guide cover 22, water inlet 23, water guide cavity 24,
  • Valve body 100 outer bucket drain 110, inner bucket drain 120, external drain 130, sealing surface 140, outer bucket water hole 141, inner bucket water hole 142, outer bucket drainage channel 150, inner bucket drainage channel 160, external drainage Channel 170, valve housing 180, valve cover 190,
  • valve plug 200 The valve plug 200, the inner seal groove 210, the outer seal groove 220, and the elastic member 230.
  • the washing machine 1 may be a pulsator washing machine, for example, a non-perforated inner bucket pulsator washing machine.
  • a washing machine 1 As shown in FIGS. 1-5, a washing machine 1 according to an embodiment of the present invention includes an outer tub 10, an inner tub 20, and a drain valve 30.
  • the drain valve 30 includes a valve body 100 and a valve plug 200.
  • the valve body 100 has a first drainage port, a second drainage port, and a third drainage port.
  • the valve plug 200 is movably provided to the valve body 100 between the second position and the first position.
  • valve plug 200 When the valve plug 200 is located in the first position, the valve plug 200 separates the first and third drainage ports and separates the second and third drainage ports. At this time, between the first and third drainage ports There is no communication, and there is no communication between the second drainage port and the third drainage port.
  • valve plug 200 When the valve plug 200 is in the second position, the valve plug 200 communicates with the first drainage port and the third drainage port and communicates with the second drainage port and the third drainage port. At this time, between the first drainage port and the third drainage port And the second drainage port is in communication with the third drainage port.
  • the inner tub 20 is rotatably provided in the outer tub 10.
  • the first drainage port is in communication with the outer tub 10, and the second drainage port is in communication with the inner tub 20.
  • the valve plug 200 when the washing machine 1 is in a washing state, the valve plug 200 is in the first position, and the valve plug 200 separates the first drain port and the third drain port and separates the first drain port and the third drain port. In the second and third drains, the water in the inner tub 20 and the outer tub 10 are sealed. Therefore, the water in the outer tub 10 and the inner tub 20 cannot be discharged through the drain valve 30, thereby reducing the direct waste of washing water. Avoid water leakage during washing.
  • the valve plug 200 When the washing machine 1 is in the dehydration state, the valve plug 200 is in the second position. The valve plug 200 communicates with the first drainage port and the third drainage port, and communicates with the second drainage port and the third drainage port.
  • the inner tub 20 and the outer tub 10 All the water in it can be discharged through the drain valve 30.
  • the first drainage port may be an outer barrel drainage port 110
  • the second drainage port may be an inner barrel drainage port 120
  • the third drainage port may be an external drainage port 130.
  • the first position is a closed position and the second position is an open position.
  • the valve plug 200 When the valve plug 200 is in the closed position (that is, the first position), the valve plug 200 separates the outer tub drain 110 and the external drain 130
  • the inner tub drain 120 and the outer drain 130 are separated, and the water in the inner tub 20 and the outer tub 10 is sealed. Therefore, the water in the outer tub 10 and the inner tub 20 cannot be discharged through the drain valve 30, reducing the washing water. Direct waste to avoid water leakage during washing.
  • valve plug 200 When the washing machine 1 is in the dehydration state, the valve plug 200 is in the open position (ie, the second position).
  • the valve plug 200 communicates with the outer tub drainage port 110 and the outer drainage port 130, and communicates with the inner tub drainage port 120 and the outer drainage port 130. Water in the inner tub 20 and the outer tub 10 can be discharged through the drain valve 30.
  • the height of the outer tub 10 is smaller than the height of the inner tub 20.
  • a water outlet 21 is provided on the peripheral wall and / or the bottom wall of the inner tub 20, and a water guide cover 22 covering the water outlet 21 is provided on the inner peripheral wall surface of the inner barrel 20.
  • the water guide 22 is provided with a water inlet 23 and defines a water inlet.
  • 23 is a water-conducting cavity 24 that communicates with the water outlet 21, and the liquid rising in the inner tub 20 due to the centrifugal force enters the water-conducting cavity 24 through the water inlet 23 and is discharged to the outer tub 10 through the water outlet 21.
  • the inner tub 20 rotates, that is, the water guiding cover 22 rotates with the inner tub 20, and the liquid in the inner tub 20 moves upward under the action of centrifugal force, and enters the water guiding chamber 24 through the water inlet 23,
  • the liquid in the water chamber 24 is guided to the water outlet 21 by the water guide 22, and is discharged to the outer tub 10 through the water outlet 21.
  • the height of the outer tub 10 is greatly reduced to realize a “single tub” structure, so that the water in the inner tub 20 is more water-saving during washing, and further provided by the inner peripheral wall surface of the inner tub 20
  • the water guide cover 22 is provided with a water inlet 23 on the water guide cover 22 and a water outlet 21 on the peripheral wall and / or the bottom wall of the inner tub 20.
  • the water in the inner tub 20 rises under the action of centrifugal force during dehydration and passes through the water inlet 23. It enters the water guide 22 and flows to the water outlet 21 under the guidance of the water guide 22, and is discharged to the outer tub 10 through the water outlet 21. Therefore, in the case of simplifying the outer tub 10 to simplify the structure, increase the capacity, reduce the growth of dirt and bacteria, and save water, the dehydration effect can be improved at the same time.
  • the water guide cover 22 is connected to the inner tub 20, and there is no need to provide an additional structure on the box body or to set the box body as an internal and external double-layer structure to realize water conduction during the dehydration process, so that the material selection of the box body is no longer necessary. Limited, materials such as sheet metal can be used to greatly improve the appearance.
  • the water outlet 21 may be provided on the peripheral wall of the inner tub 20, or may be provided on the bottom wall of the inner tub 20, or the water outlet 21 may be provided on the peripheral wall and the bottom wall.
  • the water outlet 21 is provided on the peripheral wall of the inner tub 20, so that the water guide 22 covers the water outlet 21, and the lower end of the water guide 22 is only connected to the peripheral wall of the inner bucket 20, which is beneficial to the water guide 22 and the peripheral wall of the inner bucket 20. Seal.
  • the water outlet 21 in the present invention can also be provided on the bottom wall of the inner tub 20, and the water guide 22 covers the water outlet 21, which is helpful to improve the dehydration efficiency during dehydration, has a good dehydration effect, and can effectively reduce water from the outlet.
  • the water outlet 21 is provided on the peripheral wall and the bottom wall, which is not only favorable for the sealing of the water guide cover 22 and the peripheral wall of the inner tub 20, but also for improving the dehydration efficiency during dehydration, and can effectively prevent water from splashing out of the water outlet 21.
  • the valve plug 200 when the valve plug 200 is in the closed position, the valve plug 200 separates the outer bucket drain 110 and the inner bucket drain 120, that is, there is no communication between the outer bucket drain 110 and the inner bucket drain 120. In this way, during the washing process, the inner tub 20 and the outer tub 10 cannot communicate with each other through the drain valve 30. Conversely, if the inner tub 20 and the outer tub 10 can communicate with each other through the drain valve 30, the water level in the two will be flat. The height of the inner tub 20 is lower than that of the inner tub 20. Therefore, the water in the outer tub 10 may overflow. According to the drain valve 30 of the embodiment of the present invention, the outer tub drain 110 and the inner tub drain 120 are separated by the valve plug 200 in the closed position. Avoid overflow of the outer tub 10 during the washing process.
  • the valve plug 200 has an elastic member 230
  • the elastic member 230 often pushes the valve plug 200 to the closed position.
  • the elastic member 230 may be a spring sleeved on the valve plug 200. One end of the spring stops against the valve body 100 and the other end stops against the valve plug 200. .
  • a sealing surface 140 is configured in the valve body 100.
  • the sealing surface 140 has an outer barrel water hole 141 and an inner barrel water hole 142, and an outer barrel water outlet 110 is communicated with the external drainage port 130 through the outer barrel water hole 141, and the inner barrel drainage 120 is communicated with the external drain 130 through the inner barrel water hole 142.
  • valve plug 200 When the valve plug 200 is in the closed position, it is pressed against the sealing surface 140. The valve plug 200 closes the outer bucket water hole 141 and the inner bucket water hole 142, and the water flowing from the outer bucket drain hole 110 cannot pass through the outer bucket water hole. 141 flows to the external drainage outlet 130, and the water flowing in from the inner barrel drainage opening 120 cannot flow to the external drainage outlet 130 through the inner barrel water passing hole 142.
  • valve plug 200 When the valve plug 200 is in the open position, the valve plug 200 is detached from the sealing surface 140, and the outer bucket water hole 141 and the inner bucket water hole 142 are opened.
  • the water flowing in from the outer bucket water outlet 110 can pass through the outer bucket water hole 141.
  • the water flows into the external drainage outlet 130, and the water flowing in from the internal barrel drainage opening 120 can flow to the external drainage outlet 130 through the internal barrel water hole 142.
  • the surface of the valve plug 200 facing the sealing surface 140 is provided with an inner sealing groove 210 and an outer sealing groove 220, and the inner sealing groove 210 is located on the surface of the valve plug 200 facing the sealing surface 140.
  • the outer seal groove 220 surrounds the outer side of the inner seal groove 210 and has a circular ring shape.
  • valve plug 200 When the valve plug 200 is in the closed position, the valve plug 200 is pressed against the sealing surface 140, the inner seal groove 210 is directly opposite the inner bucket water hole 142, the inner bucket water hole 142 is sealed in the inner seal groove 210, and the outer seal The groove 220 is directly connected to the outer bucket water hole 141, and the outer bucket water hole 141 is sealed in the outer seal groove 220.
  • the sealing effect of the valve plug 200 can be improved, and leakage can be prevented, thereby improving the reliability of preventing leakage and overflowing.
  • the depth of the outer seal groove 220 is greater than the depth of the inner seal groove 210
  • the inner bucket water hole 142 is a ring arranged concentrically with the sealing surface 140 Shape
  • the outer bucket water passing hole 141 surrounds the outer side of the inner bucket water passing hole 142 and includes a plurality of arc-shaped segments arranged at intervals.
  • the valve body 100 in order to realize the predetermined flow paths of the water channels in the drain valve 30, the valve body 100 has an outer bucket drainage channel 150, an inner bucket drainage channel 160, and external drainage.
  • Channel 170 the outer bucket drainage channel 150 communicates with the outer bucket drainage port 110 and the outer bucket water hole 141
  • the inner bucket drainage channel 160 communicates with the inner bucket water outlet 120 and the inner bucket water hole 142
  • the external drainage channel 170 communicates with the outer bucket water hole 141 and
  • the external drainage port 130 is connected to the inner tub water hole 142 and the external drainage port 130. At least a part of the valve plug 200 is disposed in the external drainage channel 170.
  • the axial direction of the outer tub drain opening 110 is provided in the up-down direction and the opening faces upward, and the outer tub drainage channel 150 is L-shaped in a vertical plane.
  • the external drainage opening 130 is arranged in the axial direction in the up-down direction and the opening faces downward.
  • the upper space of the external drainage passage 170 is larger than the lower space, so that the part of the valve plug 200 is placed in the upper space of the external drainage passage 170.
  • the axial direction of the inner bucket drainage port 120 is horizontally arranged, and the axial direction of the inner bucket drainage port 120 is perpendicular to the plane where the central axis of the outer bucket drainage port 110 and the central axis of the outer drainage port 130 are located.
  • the inner bucket drainage channel 160 is in a horizontal plane. L-shaped.
  • the valve body 100 includes a valve housing 180 and a valve cover 190.
  • the outer barrel drainage opening 110, the inner barrel drainage outlet 120, and the external drainage outlet 130 are provided in the valve housing 180.
  • the valve cover 190 is detachably mounted on the valve housing 180, for example, the two can be connected by a thread.
  • the valve plug 200 is mounted on the valve cover 190, and a part of the valve plug 200 is clamped between the valve cover 190 and the valve housing 180. As a result, not only the installation and positioning of the valve plug 200 can be achieved, but also the removal and installation of the drain valve 30 is more convenient.
  • the washing machine 1 may be a pulsator washing machine, for example, a non-perforated inner bucket pulsator washing machine.
  • a washing machine 1 As shown in FIGS. 1-5, a washing machine 1 according to an embodiment of the present invention includes an outer tub 10, an inner tub 20, and a drain valve 30.
  • the drain valve 30 includes a valve body 100 and a valve plug 200.
  • the valve body 100 has an outer barrel drainage port 110, an inner barrel drainage port 120, and an external drainage port 130.
  • the valve plug 200 is movably provided to the valve body 100 between an open position and a closed position.
  • valve plug 200 When the valve plug 200 is in the closed position, the valve plug 200 separates the outer bucket drainage port 110 and the outer drainage port 130 and separates the inner bucket drainage port 120 and the outer drainage port 130. At this time, the outer bucket drainage port 110 and the outer drainage port 130 are separated. There is no communication between them, and there is no communication between the inner barrel drainage port 120 and the external drainage port 130.
  • valve plug 200 When the valve plug 200 is in the open position, the valve plug 200 communicates with the outer bucket drain 110 and the outer drain 130 and connects the inner bucket drain 120 and the outer drain 130. At this time, the outer bucket drain 110 and the outer drain 130 It communicates with each other, and the inner bucket drainage port 120 and the external drainage port 130 communicate with each other.
  • the inner tub 20 is rotatably provided in the outer tub 10.
  • the outer tub drain 110 is in communication with the outer tub 10
  • the inner tub drain 120 is in communication with the inner tub 20.
  • the valve plug 200 when the washing machine 1 is in a washing state, the valve plug 200 is in the closed position.
  • the valve plug 200 separates the outer tub drain 110 and the outer drain 130 and separates the inner tub.
  • the water outlet 120 and the external water outlet 130 are sealed, and the water in the inner tub 20 and the outer tub 10 is sealed. Therefore, the water in the outer tub 10 and the inner tub 20 cannot be discharged through the drain valve 30, thereby reducing the direct waste of washing water. Avoid water leakage during washing.
  • the valve plug 200 When the washing machine 1 is in the dehydration state, the valve plug 200 is in the open position.
  • the valve plug 200 communicates with the outer tub drain 110 and the outer drain 130 and connects the inner tub drain 120 and the outer drain 130.
  • the inner tub 20 and the outer tub 10 All the water in it can be discharged through the drain valve 30.
  • the height of the outer tub 10 is smaller than the height of the inner tub 20.
  • a water outlet 21 is provided on the peripheral wall and / or the bottom wall of the inner tub 20, and a water guide cover 22 covering the water outlet 21 is provided on the inner peripheral wall surface of the inner barrel 20.
  • the water guide 22 is provided with a water inlet 23 and defines a water inlet.
  • 23 is a water-conducting cavity 24 that communicates with the water outlet 21, and the liquid rising in the inner tub 20 due to the centrifugal force enters the water-conducting cavity 24 through the water inlet 23 and is discharged to the outer tub 10 through the water outlet 21.
  • the inner tub 20 rotates, that is, the water guiding cover 22 rotates with the inner tub 20, and the liquid in the inner tub 20 moves upward under the action of centrifugal force, and enters the water guiding chamber 24 through the water inlet 23, and enters the water guiding chamber 24.
  • the liquid in the water chamber 24 is guided to the water outlet 21 by the water guide 22, and is discharged to the outer tub 10 through the water outlet 21.
  • the height of the outer tub 10 is greatly reduced to realize a “single tub” structure, so that the water in the inner tub 20 is more water-saving during washing, and further provided by the inner peripheral wall surface of the inner tub 20
  • the water guide cover 22 is provided with a water inlet 23 on the water guide cover 22 and a water outlet 21 on the peripheral wall and / or the bottom wall of the inner tub 20.
  • the water in the inner tub 20 rises under the action of centrifugal force during dehydration and passes through the water inlet 23. It enters the water guide 22 and flows to the water outlet 21 under the guidance of the water guide 22, and is discharged to the outer tub 10 through the water outlet 21. Therefore, in the case of simplifying the outer tub 10 to simplify the structure, increase the capacity, reduce the growth of dirt and bacteria, and save water, the dehydration effect can be improved at the same time.
  • the water guide cover 22 is connected to the inner tub 20, and there is no need to provide an additional structure on the box body or to set the box body as an internal and external double-layer structure to realize water conduction during the dehydration process, so that the material selection of the box body is no longer necessary. Limited, materials such as sheet metal can be used to greatly improve the appearance.
  • the water outlet 21 may be provided on the peripheral wall of the inner tub 20, or may be provided on the bottom wall of the inner tub 20, or the water outlet 21 may be provided on the peripheral wall and the bottom wall.
  • the water outlet 21 is provided on the peripheral wall of the inner tub 20, so that the water guide 22 covers the water outlet 21, and the lower end of the water guide 22 is only connected to the peripheral wall of the inner bucket 20, which is beneficial to the water guide 22 and the peripheral wall of the inner bucket 20. Seal.
  • the water outlet 21 in the present invention can also be provided on the bottom wall of the inner tub 20, and the water guide 22 covers the water outlet 21, which is helpful to improve the dehydration efficiency during dehydration, has a good dehydration effect, and can effectively reduce water from the outlet.
  • the water outlet 21 is provided on the peripheral wall and the bottom wall, which is not only favorable for the sealing of the water guide cover 22 and the peripheral wall of the inner tub 20, but also for improving the dehydration efficiency during dehydration, and can effectively prevent water from splashing out of the water outlet 21.
  • the valve plug 200 when the valve plug 200 is in the closed position, the valve plug 200 separates the outer bucket drain 110 and the inner bucket drain 120, that is, there is no communication between the outer bucket drain 110 and the inner bucket drain 120. In this way, during the washing process, the inner tub 20 and the outer tub 10 cannot communicate with each other through the drain valve 30. Conversely, if the inner tub 20 and the outer tub 10 can communicate with each other through the drain valve 30, the water level in the two will be flat. The height of the inner tub 20 is lower than that of the inner tub 20. Therefore, the water in the outer tub 10 may overflow. According to the drain valve 30 of the embodiment of the present invention, the outer tub drain 110 and the inner tub drain 120 are separated by the valve plug 200 in the closed position. Avoid overflow of the outer tub 10 during the washing process.
  • the valve plug 200 has an elastic member 230
  • the elastic member 230 often pushes the valve plug 200 to the closed position.
  • the elastic member 230 may be a spring sleeved on the valve plug 200. One end of the spring stops against the valve body 100 and the other end stops against the valve plug 200. .
  • a sealing surface 140 is configured in the valve body 100.
  • the sealing surface 140 has an outer barrel water hole 141 and an inner barrel water hole 142, and an outer barrel water outlet 110 is communicated with the external drainage port 130 through the outer barrel water hole 141, and the inner barrel drainage 120 is communicated with the external drain 130 through the inner barrel water hole 142.
  • valve plug 200 When the valve plug 200 is in the closed position, it is pressed against the sealing surface 140. The valve plug 200 closes the outer bucket water hole 141 and the inner bucket water hole 142, and the water flowing from the outer bucket drain hole 110 cannot pass through the outer bucket water hole. 141 flows to the external drainage outlet 130, and the water flowing in from the inner barrel drainage opening 120 cannot flow to the external drainage outlet 130 through the inner barrel water passing hole 142.
  • valve plug 200 When the valve plug 200 is in the open position, the valve plug 200 is detached from the sealing surface 140, and the outer bucket water hole 141 and the inner bucket water hole 142 are opened.
  • the water flowing in from the outer bucket water outlet 110 can pass through the outer bucket water hole 141.
  • the water flows into the external drainage outlet 130, and the water flowing in from the internal barrel drainage opening 120 can flow to the external drainage outlet 130 through the internal barrel water hole 142.
  • the surface of the valve plug 200 facing the sealing surface 140 is provided with an inner sealing groove 210 and an outer sealing groove 220, and the inner sealing groove 210 is located on the surface of the valve plug 200 facing the sealing surface 140.
  • the outer seal groove 220 surrounds the outer side of the inner seal groove 210 and has a circular ring shape.
  • valve plug 200 When the valve plug 200 is in the closed position, the valve plug 200 is pressed against the sealing surface 140, the inner seal groove 210 is directly opposite the inner bucket water hole 142, the inner bucket water hole 142 is sealed in the inner seal groove 210, and the outer seal The groove 220 is directly connected to the outer bucket water hole 141, and the outer bucket water hole 141 is sealed in the outer seal groove 220.
  • the sealing effect of the valve plug 200 can be improved, and leakage can be prevented, thereby improving the reliability of preventing leakage and overflowing.
  • the depth of the outer seal groove 220 is greater than the depth of the inner seal groove 210
  • the inner bucket water hole 142 is a ring arranged concentrically with the sealing surface 140 Shape
  • the outer bucket water passing hole 141 surrounds the outer side of the inner bucket water passing hole 142 and includes a plurality of arc-shaped segments arranged at intervals.
  • the valve body 100 in order to realize the predetermined flow paths of the water channels in the drain valve 30, the valve body 100 has an outer bucket drainage channel 150, an inner bucket drainage channel 160, and external drainage.
  • Channel 170 the outer bucket drainage channel 150 communicates with the outer bucket drainage port 110 and the outer bucket water hole 141
  • the inner bucket drainage channel 160 communicates with the inner bucket water outlet 120 and the inner bucket water hole 142
  • the external drainage channel 170 communicates with the outer bucket water hole 141 and
  • the external drainage port 130 is connected to the inner tub water hole 142 and the external drainage port 130. At least a part of the valve plug 200 is disposed in the external drainage channel 170.
  • the axial direction of the outer tub drain opening 110 is provided in the up-down direction and the opening faces upward, and the outer tub drainage channel 150 is L-shaped in a vertical plane.
  • the external drainage opening 130 is arranged in the axial direction in the up-down direction and the opening faces downward.
  • the upper space of the external drainage passage 170 is larger than the lower space, so that the part of the valve plug 200 is placed in the upper space of the external drainage passage 170.
  • the axial direction of the inner bucket drainage port 120 is horizontally arranged, and the axial direction of the inner bucket drainage port 120 is perpendicular to the plane where the central axis of the outer bucket drainage port 110 and the central axis of the outer drainage port 130 are located.
  • the inner bucket drainage channel 160 is in a horizontal plane. L-shaped.
  • the valve body 100 includes a valve housing 180 and a valve cover 190.
  • the outer barrel drainage opening 110, the inner barrel drainage outlet 120, and the external drainage outlet 130 are provided in the valve housing 180.
  • the valve cover 190 is detachably mounted on the valve housing 180, for example, the two can be connected by a thread.
  • the valve plug 200 is mounted on the valve cover 190, and a part of the valve plug 200 is clamped between the valve cover 190 and the valve housing 180. As a result, not only the installation and positioning of the valve plug 200 can be achieved, but also the removal and installation of the drain valve 30 is more convenient.
  • washing machine 1 and the drain valve 30 thereof are known to those skilled in the art, and will not be described in detail here.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne un robinet de vidange (30) pour une machine à laver (1), et une machine à laver (1), le robinet de vidange (30) comprenant : un corps de soupape (100) et une soupape (200) ; la soupape (200), lorsqu'elle se trouve dans une première position, séparant un premier orifice de drain (110) d'un troisième orifice de drain (130), et séparant un deuxième orifice de drain (120) du troisième orifice de drain (130), et la soupape (200), lorsqu'elle se trouve dans la seconde position, assurant la communication entre le premier orifice de drain (110) et le troisième orifice de drain (130) et assurant la communication entre le deuxième orifice de drain (120) et le troisième orifice de drain (130).
PCT/CN2019/070075 2018-08-23 2019-01-02 Robinet de vidange de machine à laver et machine à laver WO2020037936A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821372144.XU CN208884217U (zh) 2018-08-23 2018-08-23 用于洗衣机的排水阀和洗衣机
CN201821372144.X 2018-08-23

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WO2020037936A1 true WO2020037936A1 (fr) 2020-02-27

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WO (1) WO2020037936A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112411138A (zh) * 2019-08-23 2021-02-26 青岛海尔洗衣机有限公司 一种排水密封阀及洗衣机
JP7498927B2 (ja) * 2020-12-22 2024-06-13 青島海爾洗衣机有限公司 洗濯機

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08252394A (ja) * 1995-03-16 1996-10-01 Toshiba Corp 脱水兼用洗濯機
KR20020007670A (ko) * 2000-07-18 2002-01-29 구자홍 세탁기의 헹굼 장치 및 방법
CN1740610A (zh) * 2005-08-04 2006-03-01 叶小舟 带有弹性管状阀芯的多通水阀
CN2918492Y (zh) * 2006-03-07 2007-07-04 彭海英 一种节水型全自动洗衣机的排水装置
CN204690397U (zh) * 2015-04-28 2015-10-07 无锡小天鹅股份有限公司 洗衣机
KR20160020131A (ko) * 2014-08-13 2016-02-23 오승환 나노버블의 효율적인 용해농축기술을 활용한 세탁방법 및 그 장치
CN106702684A (zh) * 2015-11-12 2017-05-24 青岛海尔洗衣机有限公司 一种桶间无水洗衣机的排水结构及洗衣机
CN207295248U (zh) * 2017-09-22 2018-05-01 无锡小天鹅股份有限公司 洗衣机

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08252394A (ja) * 1995-03-16 1996-10-01 Toshiba Corp 脱水兼用洗濯機
KR20020007670A (ko) * 2000-07-18 2002-01-29 구자홍 세탁기의 헹굼 장치 및 방법
CN1740610A (zh) * 2005-08-04 2006-03-01 叶小舟 带有弹性管状阀芯的多通水阀
CN2918492Y (zh) * 2006-03-07 2007-07-04 彭海英 一种节水型全自动洗衣机的排水装置
KR20160020131A (ko) * 2014-08-13 2016-02-23 오승환 나노버블의 효율적인 용해농축기술을 활용한 세탁방법 및 그 장치
CN204690397U (zh) * 2015-04-28 2015-10-07 无锡小天鹅股份有限公司 洗衣机
CN106702684A (zh) * 2015-11-12 2017-05-24 青岛海尔洗衣机有限公司 一种桶间无水洗衣机的排水结构及洗衣机
CN207295248U (zh) * 2017-09-22 2018-05-01 无锡小天鹅股份有限公司 洗衣机

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