WO2012114734A1 - Machine à laver du type à tambour - Google Patents

Machine à laver du type à tambour Download PDF

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Publication number
WO2012114734A1
WO2012114734A1 PCT/JP2012/001189 JP2012001189W WO2012114734A1 WO 2012114734 A1 WO2012114734 A1 WO 2012114734A1 JP 2012001189 W JP2012001189 W JP 2012001189W WO 2012114734 A1 WO2012114734 A1 WO 2012114734A1
Authority
WO
WIPO (PCT)
Prior art keywords
drum
water
water tank
washing machine
flow path
Prior art date
Application number
PCT/JP2012/001189
Other languages
English (en)
Japanese (ja)
Inventor
秀晃 牛島
井上　豊
伸一郎 小林
伊丹　雅洋
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Priority to EP12748940.9A priority Critical patent/EP2589697B1/fr
Priority to CN201280002308.9A priority patent/CN103052744B/zh
Priority to US13/813,901 priority patent/US20130125596A1/en
Publication of WO2012114734A1 publication Critical patent/WO2012114734A1/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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • 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 
    • D06F39/10—Filtering arrangements

Definitions

  • the present invention relates to a drum type washing machine for washing laundry stored in a rotating drum.
  • the conventional drum-type washing machine includes at least a drum 21, a water receiving tank 23 that is a water tank, a heater 36, and a circulation device.
  • the circulation device has a circulation pump 37 for sucking washing water from an opening 34 provided at the bottom of the water receiving tank 23, a circulation hose 38 connected to the discharge port side of the circulation pump 37, and one end side of the circulation hose 38.
  • a discharge port 39 is included.
  • the conventional drum-type washing machine configured as described above lifts the laundry accommodated in the drum 21 by the rotation of the drum 21 and stirs it in the drum 21. At this time, the washing water heated by the heater 36 is sprayed onto the laundry in the drum 21 by the circulation pump 37, thereby enhancing the washing effect of the laundry.
  • washing water is sprayed from the discharge port 39 at one upper portion of the drum 21. Therefore, when the laundry falls by its own weight in the drum 21, the washing water can be poured onto the laundry. However, when the laundry is stuck to the drum 21 and is rotating, the washing water is not easily applied to the laundry. As a result, the washing water cannot be uniformly applied to the laundry in the water tank, and it is difficult to obtain a stable cleaning effect.
  • the present invention relates to a rotating drum formed in a bottomed cylindrical shape, a water tank that rotatably includes the rotating drum, a motor that rotationally drives the rotating drum, and a water tank via a drain pipe connected to the bottom of the water tank.
  • the water tank 42 is swingably provided inside the main body 41, and a rotating drum 43 is rotatably provided inside the water tank 42.
  • the rotating drum 43 is connected to a motor 45 attached to a lower part on the back side of the water tank 42 via a belt 46, and is centered on a rotating shaft 44 that is a rotating center shaft provided in the horizontal direction. It is rotationally driven in the direction of rotation and reverse rotation.
  • an openable / closable lid 52 is provided so as to face the main body opening 40 of the rotary drum 43.
  • the lid body 52 seals the water tank 42 via a seal packing 82 for vibration isolation and water sealing that connects the front part of the water tank 42 and the main body opening 40.
  • control device 81 When the control method is input via the input setting unit 80a of the operation panel 79, the input information is displayed on the display unit 80b of the operation panel 79.
  • a control unit (not shown) of the control device 81 automatically controls the motor 45, the water supply device 54, the drainage device 55, and the water circulation device 56 in accordance with the input setting information and control program. Thereby, the control device 81 controls a series of steps such as washing, rinsing and dehydration.
  • a first water supply valve 57 a second water supply valve 58, a first water supply pipe 59, a second water supply pipe 60, a water level detection unit 76, and a detergent supply device 61, a water supply connecting pipe 62, a water tank air vent pipe 77, and a control device 81 are provided.
  • the detergent supply device 61 stores, for example, a detergent and a soft finish, and stores therein a detergent case 61a that can be pulled out from the main body 41.
  • a water tank air vent pipe 77 formed of a flexible hose is connected to the detergent supply device 61 at the upper rear portion of the detergent supply device 61. For example, during the washing step, the air in the water tank 42 pressurized due to the generation of bubbles escapes through the water tank air vent pipe 77.
  • the water supply device 54 is connected to the water supply via the detergent supply device 61 through the first water supply pipe 59 or the second water supply pipe 60 by opening or closing the first water supply valve 57 or the second water supply valve 58. Water is supplied from the pipe 62 into the water tank 42 in a timely manner.
  • a drain pipe 64, a filter case 83, a drain pump 63, a circulation pump 67, and a drain hose 66 are provided at the bottom of the water tank 42.
  • the filter case 83 houses a filter 65 that collects, for example, yarn waste.
  • the filter 65 is detachably provided from the main body 41 by a knob 84 provided on the filter 65.
  • the filter case 83 communicates with the water tank 42 through a drain pipe 64 connected to the bottom of the water tank 42.
  • the drain pump 63 communicates with the filter case 83 via a drain suction pipe 90 connected to the filter case 83.
  • the circulation pump 67 communicates with the filter case 83 via a circulating water suction pipe 68 connected to the filter case 83. Further, the circulation pump 67 communicates with a flow path 85 formed in an annular shape (including an arc shape) inside the front portion of the water tank 42 via a circulating water discharge pipe 69 connected to the circulation pump 67.
  • the washing water in the water tank 42 circulates through the water circulation device 56 as necessary, such as a pre-washing step, a washing step, and a rinsing step.
  • the water circulation device 56 causes the washing water in the water tub 42 to pass through the filter 65 in the filter case 83 via the drain pipe 64 by driving the circulation pump 67, and further, the circulating water suction pipe 68.
  • the circulation pump 67 To the circulation pump 67.
  • the wash water sent to the circulation pump 67 is sent to the flow path 85 via the circulation water discharge pipe 69.
  • the washing water fed into the flow path 85 is, as shown by the arrow A in FIG. 1, from the spout 70 provided on the inner peripheral side of the flow path 85 facing the clothing entrance 53 of the rotary drum 43.
  • the washing water is ejected from the ejection port 70 to the rotating drum 43 in a predetermined direction, for example, in a radial direction or in a predetermined shape by the injection guide plate 86 provided on the front inner surface side of the water tank 42. Details will be described later with reference to FIG.
  • a heater 72 made of, for example, a sheathed heater is provided in the horizontal direction to heat the washing water in the water tank 42.
  • a temperature detection unit 73 such as a thermistor for detecting the temperature of the washing water in the water tub 42 is provided.
  • the washing water in the water tank 42 heated by the heater 72 is circulated through the water circulation device 56 by the circulation pump 67 and discharged into the rotary drum 43. At this time, the washing water is heated to increase the activity of water molecules. And the washing
  • an air trap 74 is formed on the side wall behind the bottom of the outer periphery of the water tank 42 so as to communicate with the drain pipe 64.
  • the air trap 74 is connected by an air pipe 75 to a water level detection unit 76 constituted by, for example, a pressure sensor.
  • the water level detection unit 76 detects water levels in a plurality of stages based on the water pressure of the washing water supplied into the water tank 42.
  • FIG. 2 is a cross-sectional view of the front of the rotating drum of the drum type washing machine according to the embodiment of the present invention as viewed from the inside.
  • the spout 70 is composed of a plurality of spouts 70a to 70e provided on the inner peripheral side of an annular (including arcuate) flow path 85.
  • the ejection ports 70a to 70e are provided at an equal angle in the circumferential direction with respect to the rotation shaft 44 of the rotary drum 43, for example, in a circular shape.
  • the jet outlet 70a and the jet outlet 70b have substantially the same height (including the same) in the vertical direction of the flow path 85, and in the vertical direction of FIG. Are provided at the same distance in the flow path 85 from the connecting portion 69a connecting the two and the opening area with the same opening area.
  • the opening area means the area of the inflow surface of the washing water that passes through the spout 70 by operating the circulation pump 67.
  • the spouts 70c and 70d positioned higher than the spout 70a and the spout 70b are also substantially the same height (including the same) in the vertical direction, and the distance in the flow path 85 from the connecting portion 69a is the same. They are provided at the same position and with the same opening area.
  • a jet port 70e is provided at the top in the vertical direction. That is, the spout 70a and the spout 70b, the spout 70a and the spout 70b, and the spout 70e are provided away from the connection portion 69a in this order.
  • the opening area of the ejection port 70e provided at the position farthest from the connection portion 69a is formed larger than the opening area of the ejection ports 70a and 70b provided at the position closest to the connection portion 69a.
  • the distance in the flow path 85 is equal that the distance from the circulating water discharge pipe 69 to the jet outlet 70a in the clockwise direction in the flow path 85 with respect to the straight line connecting the circulating water discharge pipe 69 and the rotating shaft 44. It means that the distance from the circulating water discharge pipe 69 to the jet outlet 70b is counterclockwise.
  • the washing water discharged from the circulation pump 67 is sent from the bottom side of the water tank 42 to the flow path 85 formed inside the front part of the water tank 42 through the circulation water discharge pipe 69.
  • the washing water fed into the flow path 85 is radially entered into the rotary drum 43 from all the circumferential directions of the annular (including arcuate) flow path 85 from the plurality of jets 70 formed in the flow path 85. Erupts.
  • the amount of ejection from the individual outlets 70a to 70e provided at substantially equal angles (including equal angles) in the circumferential direction can be substantially reduced. Can be the same.
  • the flow rate of the washing water decreases as it goes above the flow path 85, but this configuration prevents the flow rate of the washing water ejected from the ejection port 70 from being lowered. As a result, the washing performance of the drum type washing machine can be stabilized.
  • the filter 65 provided in the filter case 83 includes a plurality of openings 89.
  • the openings 89 of the filter 65 are provided on the side of the circulation pump 67, and a plurality of drain side openings 88a divided by the ribs of the drain side ribs 88 which are grid-like rib structures provided on the side of the drain pump 63.
  • the drain side opening 88a is preferably formed larger than the circulation side opening 87a.
  • the washing water that has entered the filter case 83 from the water tank 42 via the drain pipe 64 passes through the circulation-side rib portion 87 of the filter 65 and passes through the circulation water suction pipe 68. To the circulation pump 67. Thereafter, the water is ejected into the rotating drum 43 from the ejection ports 70a to 70e via the circulating water discharge pipe 69.
  • yarn waste larger than the opening of the circulation side opening 87a in the washing water is collected in a mesh formed by the circulation side rib 87 and the circulation side opening 87a.
  • the individual opening areas of the outlets 70a to 70e provided on the inner peripheral side of the flow path 85 are the individual openings constituting the filter 65 that passes when the washing water circulates through the water circulation device 56. It is formed larger than any of 89.
  • yarn waste and the like that have passed through the mesh of the circulation-side rib portion 89 are reliably collected by the filter 65, and the ejection ports 70a to 70e are prevented from being clogged.
  • the amount of individual washing water ejected from the ejection ports 70a to 70e is continuously maintained substantially the same, and a reduction in cleaning efficiency is prevented.
  • the present invention is not limited thereto.
  • position may be arranged to arbitrary numbers by the internal-diameter dimension of the water tank 42, a shape, etc. Thereby, the same effect is acquired.
  • the drum type washing machine of the present invention can exhibit stable washing performance by the configuration of the water circulation device, it is useful for applications such as other washing machines having a function of circulating washing water. .

Abstract

La présente invention concerne une machine à laver du type à tambour comprenant : un tambour rotatif (43) ; un réservoir d'eau (42) ; un moteur (45) ; un boîtier de filtre (83) dans lequel est intégré un filtre (65), le boîtier de filtre communiquant avec le réservoir d'eau (42) par le biais d'un tuyau de drainage d'eau (64) relié à une partie inférieure du réservoir d'eau (42) ; une pompe de circulation communiquant avec le boîtier de filtre (83) par le biais d'un tuyau d'amenée d'eau de circulation (68) relié au boîtier de filtre (83) ; un trajet d'écoulement (85) formé vers l'intérieur dans une partie avant du réservoir d'eau (42), le trajet d'écoulement communiquant avec la pompe de circulation (67) par le biais d'un tuyau d'évacuation d'eau de circulation (69) relié à la pompe de circulation (67) ; une pluralité d'orifices d'éjection (70) destinés à évacuer l'eau de lavage dans le réservoir d'eau (42), les orifices d'éjection étant disposés sur le côté périphérique intérieur du trajet d'écoulement (85) ; et un dispositif de commande (81). La zone d'ouverture d'un orifice d'éjection (70e) disposé dans la position la plus éloignée par rapport à une partie de liaison (69a) entre le tuyau d'évacuation d'eau de circulation (69) et le trajet d'écoulement (85) est plus grande que la zone d'ouverture d'orifices d'éjection (70a, 70b) disposés dans les positions les plus proches par rapport à la partie de liaison (69a).
PCT/JP2012/001189 2011-02-23 2012-02-22 Machine à laver du type à tambour WO2012114734A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12748940.9A EP2589697B1 (fr) 2011-02-23 2012-02-22 Machine à laver du type à tambour
CN201280002308.9A CN103052744B (zh) 2011-02-23 2012-02-22 滚筒式洗衣机
US13/813,901 US20130125596A1 (en) 2011-02-23 2012-02-22 Drum-type washing machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-036750 2011-02-23
JP2011036750A JP5799200B2 (ja) 2011-02-23 2011-02-23 ドラム式洗濯機

Publications (1)

Publication Number Publication Date
WO2012114734A1 true WO2012114734A1 (fr) 2012-08-30

Family

ID=46720526

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/001189 WO2012114734A1 (fr) 2011-02-23 2012-02-22 Machine à laver du type à tambour

Country Status (5)

Country Link
US (1) US20130125596A1 (fr)
EP (1) EP2589697B1 (fr)
JP (1) JP5799200B2 (fr)
CN (1) CN103052744B (fr)
WO (1) WO2012114734A1 (fr)

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Publication number Priority date Publication date Assignee Title
KR101933139B1 (ko) * 2012-01-10 2018-12-28 삼성전자주식회사 드럼 세탁기
CN103352352A (zh) * 2013-06-24 2013-10-16 林智勇 环保洗衣机
KR102160979B1 (ko) 2013-08-06 2020-09-29 삼성전자주식회사 세탁기
JP5835786B1 (ja) * 2015-06-10 2015-12-24 トップ産業株式会社 ドラム式洗濯機用使い捨てフィルタ
US10174425B2 (en) 2015-09-22 2019-01-08 Eastman Kodak Company Non-aqueous compositions and articles using stannous alkoxides
DE102016201972B3 (de) * 2016-02-10 2017-03-02 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Laugenpumpe
KR102489664B1 (ko) * 2016-02-16 2023-01-18 주식회사 위니아전자 세탁기
JP6546873B2 (ja) * 2016-04-13 2019-07-17 日立グローバルライフソリューションズ株式会社 ドラム式洗濯乾燥機
JP7003140B2 (ja) * 2017-08-25 2022-01-20 シャープ株式会社 洗濯兼脱水槽および洗濯機
JP7097546B2 (ja) * 2017-12-26 2022-07-08 青島海爾洗衣机有限公司 洗濯機
WO2019201116A1 (fr) * 2018-04-16 2019-10-24 青岛海尔滚筒洗衣机有限公司 Appareil de lavage à chargement frontal et son système de pulvérisation
CN110387706B (zh) * 2018-04-16 2021-12-03 青岛海尔洗涤电器有限公司 滚筒洗衣机及其喷淋系统
CN110387708A (zh) * 2018-04-16 2019-10-29 青岛海尔滚筒洗衣机有限公司 滚筒洗衣机及其喷淋系统
WO2019201117A1 (fr) * 2018-04-16 2019-10-24 青岛海尔滚筒洗衣机有限公司 Lave-linge à chargement frontal et système de pulvérisation associé
CN110644181B (zh) * 2018-06-27 2022-06-24 Lg电子株式会社 洗衣机
US11319659B2 (en) * 2018-12-28 2022-05-03 Whirlpool Corporation Button trap and sieve for a laundry appliance
KR102619143B1 (ko) * 2019-02-01 2023-12-29 엘지전자 주식회사 세탁기
IT201900019451A1 (it) * 2019-10-21 2021-04-21 Ufi Innovation Center S R L Lavatrice con gruppo filtro

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JPH09215893A (ja) 1996-02-15 1997-08-19 Matsushita Electric Ind Co Ltd 洗濯機
JP2006068192A (ja) * 2004-09-01 2006-03-16 Matsushita Electric Ind Co Ltd 洗濯機
WO2009125952A2 (fr) * 2008-04-08 2009-10-15 Lg Electronics Inc. Machine à laver
JP2009297139A (ja) * 2008-06-11 2009-12-24 Toshiba Corp 洗濯機

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JP2006239141A (ja) * 2005-03-03 2006-09-14 Sharp Corp ドラム式洗濯機
JP4661521B2 (ja) * 2005-10-25 2011-03-30 パナソニック株式会社 ドラム式洗濯機
KR101466337B1 (ko) * 2008-07-04 2014-11-28 삼성전자 주식회사 세탁기
JP5489094B2 (ja) * 2009-05-19 2014-05-14 株式会社東芝 脱水兼用洗濯機
EP2471993B1 (fr) * 2009-08-24 2019-10-30 Toshiba Lifestyle Products & Services Corporation Machine à laver du type à tambour

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Publication number Priority date Publication date Assignee Title
JPH09215893A (ja) 1996-02-15 1997-08-19 Matsushita Electric Ind Co Ltd 洗濯機
JP2006068192A (ja) * 2004-09-01 2006-03-16 Matsushita Electric Ind Co Ltd 洗濯機
WO2009125952A2 (fr) * 2008-04-08 2009-10-15 Lg Electronics Inc. Machine à laver
JP2009297139A (ja) * 2008-06-11 2009-12-24 Toshiba Corp 洗濯機

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Title
See also references of EP2589697A4

Also Published As

Publication number Publication date
JP2012170693A (ja) 2012-09-10
CN103052744A (zh) 2013-04-17
EP2589697A4 (fr) 2013-10-23
CN103052744B (zh) 2015-08-19
EP2589697B1 (fr) 2016-02-10
EP2589697A1 (fr) 2013-05-08
JP5799200B2 (ja) 2015-10-21
US20130125596A1 (en) 2013-05-23

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