WO2018077281A1 - Machine à laver - Google Patents

Machine à laver Download PDF

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Publication number
WO2018077281A1
WO2018077281A1 PCT/CN2017/108426 CN2017108426W WO2018077281A1 WO 2018077281 A1 WO2018077281 A1 WO 2018077281A1 CN 2017108426 W CN2017108426 W CN 2017108426W WO 2018077281 A1 WO2018077281 A1 WO 2018077281A1
Authority
WO
WIPO (PCT)
Prior art keywords
water flow
flow generating
cover member
water
washing
Prior art date
Application number
PCT/CN2017/108426
Other languages
English (en)
Chinese (zh)
Inventor
西浦直人
米田昌令
福井秋陆
大西胜司
大槻太郎
前场克之
Original Assignee
青岛海尔洗衣机有限公司
Aqua株式会社
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 青岛海尔洗衣机有限公司, Aqua株式会社 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2018077281A1 publication Critical patent/WO2018077281A1/fr

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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
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
    • D06F17/10—Impellers
    • 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

Definitions

  • the present invention relates to a washing machine.
  • the washing machine described in Patent Document 1 includes a washing machine outer frame, a water receiving bucket suspended in the outer frame of the washing machine, a washing and dewatering bucket rotatably accommodated in the water receiving bucket, and rotatably provided in the washing and dewatering bucket
  • the pulsator at the bottom of the inside.
  • the laundry carrying net is detachably fitted to the upper side of the pulsator in a substantially horizontal posture.
  • the laundry to be washed by the mechanical force of the pulsator is accommodated on the lower side of the net for washing, and the laundry which is not washed by the mechanical force of the pulsator is accommodated in the net for washing.
  • the upper side is provided in Patent Document 1 .
  • the washing machine performs a first cleaning process and a second cleaning process.
  • the pulsator is driven to rotate, and the laundry on the lower side of the laundry carrying net is washed by the mechanical force generated by the pulsator.
  • the washing and dewatering bucket is driven to rotate. In this way, the washing water in the washing and dewatering bucket is extruded to the outside of the washing and dewatering bucket by centrifugal force, rises between the water receiving bucket and the washing and dewatering bucket, and the water receiving bucket cover and the washing and dewatering bucket from the upper part of the water receiving bucket The mixture is scattered into the washing and dewatering tank, and passes through the laundry on the upper side and the lower side of the laundry carrying net. Thereby, these laundry materials are cleaned without being damaged or entangled.
  • Patent Document 1 Japanese Patent Publication No. 11-300080
  • the present invention has been made in view of the background, and an object thereof is to provide a washing machine capable of washing a laundry without damage and improving the cleaning effect.
  • the present invention relates to a washing machine comprising: a bottomed cylindrical washing tub having an inner space for containing laundry and storing water; and a water flow generating member disposed in a lower side region of the inner space by being driven to rotate Generating a water flow in the internal space, the water flow generating member having a plurality of blade portions circumferentially arranged around a rotation axis of the water flow generating member and extending away from the rotation axis, and by the circumferential phase a water passage in which the adjacent blade portions are sandwiched and open to the upper side; and a cover member having an upper opposite portion opposed to the water passage from the upper side and a radially outer side based on the rotation axis In the outer opposing portion facing the water passage, the cover member covers the water flow generating member from the upper side in the internal space, and the cover member is formed to penetrate the upper opposite portion in the vertical direction.
  • An inflow port and an outflow opening that penetrates the outer opposite portion in the radial direction and faces the inner
  • the present invention is characterized in that the cover member is provided with a first projecting portion that protrudes outward in the radial direction at the circumferential end portion of the outflow port.
  • the present invention is characterized in that the cover member is provided with a second protruding portion that protrudes outward in the radial direction at an upper end portion of the outflow port.
  • the present invention is characterized in that the second projecting portion faces the inner circumference of the washing tub with a gap from the inner side in the radial direction.
  • the water flow generating member in the lower side region of the internal space is driven to rotate. Since the laundry in the washing tub is disposed on the upper side of the cover member that covers the water flow generating member from the upper side, it is possible to prevent the laundry from being damaged by contact with the rotating water flow generating member.
  • the plurality of blade portions of the water flow generating member also rotate. In this way, In the water path between the adjacent blade portions, the water is extruded to the outside in the radial direction with respect to the rotation axis of the water flow generating member, and flows out from the outflow port of the outer opposite portion of the cover member. Since the outflow port faces the inner peripheral surface of the washing tub, the water flowing out from the outflow port changes toward the inner peripheral surface of the washing tub and flows toward the upper side of the water flow generating member and the cover member.
  • the water located on the upper side of the water flow generating member and the cover member in the internal space of the washing tub passes through the inflow port of the upper opposing portion of the cover member and flows down to flow into the water passage.
  • a flow of water circulating between the inflow port and the outflow port in a manner of flowing upward and downward is generated outside the water path. Therefore, the laundry in the washing tub is lifted and dropped by the water flow.
  • the flow rate of the water flow can be increased to promote the lifting and falling of the laundry. Therefore, the laundry is effectively washed.
  • the laundry can be cleaned without damage, and the cleaning effect can be improved.
  • the first protrusion protruding outward in the radial direction at the end portion of the circumferential flow outlet around the rotation axis of the water flow generating member suppresses the water of the water passage from the outlet toward the rotation of the water flow generating member. Weekly outflow. Thereby, it is possible to suppress the occurrence of swirling around the rotation axis in the internal space of the washing tub. Therefore, it is possible to suppress the laundry from being damaged or entangled by contact with the inner peripheral surface of the washing tub by the swirling flow.
  • the second projecting portion that protrudes outward in the radial direction at the upper end portion of the outflow port suppresses the generation of the water flow which is desired to rise sharply from the outflow port. Thereby, it is possible to suppress the water flow from directly contacting the laundry and causing the laundry to be deformed.
  • the present invention since a radial gap is secured between the second projecting portion and the inner peripheral surface of the washing tub, water flowing out from the outflow port can rise through the gap. Therefore, even if the second projecting portion is provided, the water flow circulating between the inflow port and the outflow port can be reliably generated to wash the laundry in the washing tub.
  • Fig. 1 is a longitudinal sectional view showing a washing machine in accordance with an embodiment of the present invention.
  • Fig. 2 is a perspective view of the water flow generating unit in a state in which the cover member is removed.
  • Fig. 3 is a perspective view of the water flow generating unit in a completed state.
  • Fig. 4 is a perspective view showing a partial water flow generating unit in a longitudinal section.
  • Figure 5 is a longitudinal sectional view of a water flow generating unit.
  • the washing tub 4 includes a cylindrical circumferential wall 10, a disk-shaped bottom wall 11 connected to the lower end edge of the circumferential wall 10, a drive shaft 12, and a support member 13.
  • An internal space 4A is formed in the washing tub 4, which is surrounded by the circumferential wall 10 from the radially outer side R1 and blocked by the bottom wall 11 from the lower side Z2.
  • the internal space 4A is a cylindrical space having a central axis J.
  • the inner peripheral surface of the circumferential wall 10 constitutes the inner peripheral surface 4B of the washing tub 4.
  • the washing tub 4 is formed with an opening portion 4C which is trimmed by the upper end edge of the circumferential wall 10 and exposes the inner space 4A to the upper side Z1.
  • the opening portion 4C is located on the lower side Z2 of the door 3 of the upper surface portion of the cabinet 2.
  • the user opens the door 3 to open the opening portion 4C of the washing tub 4 to the upper side Z1 (refer to FIG. 1). Then, the user moves the water flow generating unit 6 by grasping the disk portion 44A of the operation portion 44 in which the lifting portion 42 is in the locked position state with the finger, and accommodates it from the opening portion 4C of the washing tub 4 to the internal space 4A of the washing tub 4. .
  • the outer diameter of the cover member 21 of the water flow generating unit 6 is the same as or smaller than the inner diameter of the washing tub 4 of the opening portion 4C, so that the water flow generating unit 6 can directly pass through the opening portion 4C.
  • the user who has lowered the water flow generation unit 6 in the internal space 4A raises the lift portion 42 to the release position shown in FIG. 5 by pulling the operation portion 44 to the upper side Z1.
  • the extending portion 46B of the space 35 disposed on the lower side Z2 of the central portion 21A of the cover member 21 rises in the space 35 in the center portion 21A that is directly above.
  • a gap 51 (see FIG. 4) that is wider than the rising distance from the locked position of the lifting portion 42 to the releasing position is secured. Therefore, the extending portion 46B smoothly rises in the gap 51, whereby the lifting portion 42 can be reliably raised to the releasing position.
  • the water flow generation unit 6 in which the user places the lift portion 42 in the released position state is further lowered in the internal space 4A of the washing tub 4.
  • the engaging portion 12A of the drive shaft 12 attached to the bottom wall 11 of the washing tub 4 is sequentially inserted into the first recess 40C and the second recess 40D of the joint portion 40 of the water flow generating unit 6 from the lower side Z2.
  • the intermediate portion 12B of the drive shaft 12 is from the lower side Z2 and the inside of the joint portion 40.
  • the step 40J between the first concave portion 40C of the circumferential surface and the second concave portion 40D is in contact.
  • the water flow generating unit 6 thus locked to the drive shaft 12 at the joint portion 40 is disposed at the lower end portion of the inner space 4A of the washing tub 4 and surrounded by the longitudinal portion 13A of the support member 13, and in the water flow generating unit 6, the water flow generating member 20 is Attached to the state of the drive shaft 12.
  • the respective outlets 21M of the outer peripheral portion of the cover member 21 face the lower end portion of the inner peripheral surface 4B of the washing tub 4 from the radially inner side R2, and the second projecting portion 21O of the upper end portion of each of the outflow ports 21M is in the slave
  • the radially inner side R2 and the inner peripheral surface 4B are opposed to each other with a gap 52 therebetween.
  • the water flow generating member 20 of the water flow generating unit 6 is detached from the drive shaft 12. Then, when the user moves the water flow generating unit 6 to the upper side Z1 of the opening portion 4C of the washing tub 4, the water flow generating unit 6 is in a state of being completely detached from the washing tub 4.
  • the first protruding portion 21N that protrudes toward the radially outer side R1 at both end portions of the outflow port 21M in the circumferential direction Q suppresses the water of the water passage 29 from flowing out from the outflow port 21M to the circumferential direction Q in accordance with the rotation of the water flow generating member 20.
  • the swirling flow around the central axis J of the internal space 4A of the washing tub 4 is suppressed. Therefore, it is possible to suppress the laundry S from being damaged or entangled by contact with the inner peripheral surface 4B of the washing tub 4 by the swirling flow.
  • the first protruding portion 21N may be provided only at the end portion on the downstream side in the rotational direction. Further, the first protruding portion 21N may be brought into contact with the inner peripheral surface 4B of the washing tub 4 so that there is no gap of the radial direction R therebetween, and in this case, the generation of the swirling flow can be further suppressed.
  • the second projecting portion 21O that protrudes toward the radially outer side R1 at the upper end portion of the outflow port 21M suppresses the occurrence of a water flow that is suddenly required to rise from the outflow port 21M. Thereby, it is possible to suppress the deformation of the laundry S caused by the direct contact between the water flow and the laundry S.
  • the gap 52 of the radial direction R is secured between the second projecting portion 21O and the inner peripheral surface 4B of the washing tub 4, the water flowing out from the outflow port 21M can rise through the gap 52. Therefore, even if the second projecting portion 21O is provided, the flow of water circulating between the inflow port 21H and the outflow port 21M for washing the laundry S in the washing tub 4 can be reliably generated.
  • the cover member 21 is positioned in the up-and-down direction Z with respect to the water flow generating member 20 by the positioning portions 40I and 44C, the upper side opposing portion 21B of the cover member 21 is divided from the upper side Z1 in the water flow generating member 20.
  • the dimension D of the vertical direction Z of each of the water passages 29 is stabilized. Thereby, since each water passage 29 can flow a stable amount of water flow, the water flow circulating between the inflow port 21H and the outflow port 21M can be stably generated. Thereby, the washing machine 1 can exhibit stable washing performance.
  • the cover member 21 is in a state in which the water flow generating member 20 that is rotating in the inner space 4A is covered from the upper side Z1. Since the laundry S in the washing tub 4 is disposed on the upper side Z1 of the cover member 21, it is possible to prevent the laundry S from coming into contact with the rotating water flow generating member 20 and being damaged.
  • the cover member 21 is positioned in the circumferential direction Q about the central axis J by the engagement portion 21P provided in the cover member 21 engaging with the washing tub 4 at any one of the slits 13C of the support member 13. Thereby, the restriction cover member 21 is rotated in accordance with the rotation of the water flow generating member 20 or the flow of water in the washing tub 4. Therefore, it is possible to further prevent the laundry S from coming into contact with the rotating cover member 21 and being damaged.
  • the wiping portion of the cover member 21 and the rotating water flow generating member 20 the bottom of the concave portion 21D of the central portion 21A of the cover member 21 and the positioning portion 44C of the water flow generating member 20 side can be cited as other wipes.
  • the movable portion can cite the lower end of the tubular portion 21G of the cover member 21 and the positioning portion 40I on the side of the water flow generating member 20.
  • the friction between the water flow generating member 20 and the cover member 21 is provided at these wiping portions.
  • the reduced friction reducing member 55 is provided at these wiping portions.
  • the driving rotation of the water flow generating member 20 is stopped.
  • the dirt of the laundry S flows out from the drain port 4D of the washing tub 4 to the outside of the washing tub 4 by the water in the washing tub 4, and is discharged to the outside through the drain passage 2C of the bottom wall 2B of the cabinet 2 (refer to Fig. 1). .
  • a drain valve (not shown) which is closed for water storage and opened for draining is provided in the drain passage 2C or the drain port 4D.
  • a part of the water located on the upper side Z1 of the water flow generating unit 6 can pass through the slit 13C of the supporting member 13 in the washing tub 4 to reach the drain port 4D.
  • the shape or position of the positioning portions 40I and 44C for positioning the cover member 21 with respect to the water flow generating member 20 in the vertical direction Z can be arbitrarily changed.
  • the cover member 21 and the water flow generating member 20 are in a state of being hooked somewhere in the up and down direction Z so that the water flow generating unit 6 can be moved in an overall state.
  • the water flow generating unit 60 has a disk-shaped main body 61 and the above-described lock releasing mechanism 22, wherein the disk-shaped main body 61 has a central axis coinciding with the central axis J, and the outer peripheral portion of the upper surface portion of the main body 61 is upward.
  • the plurality of raised portions 61A of the Z1 protrusions are formed at equal intervals in the circumferential direction Q.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne une machine à laver (1) qui peut laver le linge sans l'endommager et qui peut obtenir un effet de nettoyage amélioré. La machine à laver (1) comprend : un tambour de lavage (4); un élément de génération d'écoulement d'eau (20), qui est disposé dans une région inférieure (4E) d'un espace interne (4A) du tambour de lavage (4) et qui est entraîné pour tourner autour d'un axe central (J) pour générer un écoulement d'eau dans l'espace interne (4A); un élément couvercle (21), qui recouvre l'élément de génération d'écoulement d'eau (20) par un côté supérieur (Z1). L'élément de génération d'écoulement d'eau (20) est pourvu : d'une pluralité de parties pale (27) agencées de manière circonférentielle (Q) autour de l'axe central (J); d'une voie d'eau (29), prise en sandwich entre des parties pale adjacentes (27) et ouverte vers le côté supérieur (Z1). L'élément couvercle (21) est pourvu : d'une partie opposée supérieure (21B), opposée à la voie d'eau (29) depuis le côté supérieur (Z1); d'une partie opposée externe (21C), opposée à la voie d'eau (29) depuis un côté externe radial (R1) qui utilise l'axe central (J) en tant que ligne de base. L'élément de génération d'écoulement d'eau (20) est formé : d'un orifice d'entrée (21H), pénétrant la partie opposée supérieure (21B) dans la direction haut-bas (Z); d'un orifice de sortie (21M), pénétrant la partie opposée externe (21C) dans la direction radiale (R) et faisant face à une surface circonférentielle interne (4B) du tambour de lavage (4).
PCT/CN2017/108426 2016-10-28 2017-10-30 Machine à laver WO2018077281A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-212231 2016-10-28
JP2016212231A JP6877711B2 (ja) 2016-10-28 2016-10-28 洗濯機

Publications (1)

Publication Number Publication Date
WO2018077281A1 true WO2018077281A1 (fr) 2018-05-03

Family

ID=62024330

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/108426 WO2018077281A1 (fr) 2016-10-28 2017-10-30 Machine à laver

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JP (1) JP6877711B2 (fr)
WO (1) WO2018077281A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86202069U (zh) * 1986-03-31 1986-11-26 张金莲 家用洗衣机波轮与衣物隔离罩
CN86206930U (zh) * 1986-09-11 1987-12-16 张能刚 双环流波轮式洗衣机
CN2090829U (zh) * 1991-03-13 1991-12-18 聂世兴 水波轮式洗衣机防磨损网罩
CN2136260Y (zh) * 1992-09-24 1993-06-16 刘东辉 衣料低损耗洗衣机
KR970011958B1 (ko) * 1993-08-09 1997-08-08 대우전자 주식회사 세탁기의 펄세이터

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52151264A (en) * 1976-06-11 1977-12-15 Matsushita Electric Ind Co Ltd Agitating-type single tub hydroextracting washing machine
JPS62258698A (ja) * 1986-05-06 1987-11-11 三菱電機株式会社 洗濯機
JP5542013B2 (ja) * 2010-09-10 2014-07-09 シャープ株式会社 洗濯方法、その方法を実施する洗濯機及びこの洗濯機に用いる回転翼
JP5931384B2 (ja) * 2011-09-22 2016-06-08 株式会社東芝 洗濯機
US9127394B2 (en) * 2011-12-22 2015-09-08 Whirlpool Corporation Foreign object trap for a laundry treating appliance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86202069U (zh) * 1986-03-31 1986-11-26 张金莲 家用洗衣机波轮与衣物隔离罩
CN86206930U (zh) * 1986-09-11 1987-12-16 张能刚 双环流波轮式洗衣机
CN2090829U (zh) * 1991-03-13 1991-12-18 聂世兴 水波轮式洗衣机防磨损网罩
CN2136260Y (zh) * 1992-09-24 1993-06-16 刘东辉 衣料低损耗洗衣机
KR970011958B1 (ko) * 1993-08-09 1997-08-08 대우전자 주식회사 세탁기의 펄세이터

Also Published As

Publication number Publication date
JP2018068646A (ja) 2018-05-10
JP6877711B2 (ja) 2021-05-26

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