KR20000043376A - Laundry machine operated using centrifugal force with no hole on the wall of the water tank - Google Patents

Laundry machine operated using centrifugal force with no hole on the wall of the water tank Download PDF

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Publication number
KR20000043376A
KR20000043376A KR1019980059754A KR19980059754A KR20000043376A KR 20000043376 A KR20000043376 A KR 20000043376A KR 1019980059754 A KR1019980059754 A KR 1019980059754A KR 19980059754 A KR19980059754 A KR 19980059754A KR 20000043376 A KR20000043376 A KR 20000043376A
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KR
South Korea
Prior art keywords
washing
wall
water
tank
water tank
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KR1019980059754A
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Korean (ko)
Inventor
김지맹
Original Assignee
구자홍
엘지전자 주식회사
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Priority to KR1019980059754A priority Critical patent/KR20000043376A/en
Publication of KR20000043376A publication Critical patent/KR20000043376A/en

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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
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • 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
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/08—Draining of washing liquids

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

Abstract

PURPOSE: A laundry machine with no hole on the wall of the water using centrifugal force is provided which can reduce the time for washing laundry by discharging water rapidly and can reduce production cost. CONSTITUTION: A laundry machine with no hole on the wall of the water tank using centrifugal force is characterized by being comprised of: lots of a hole for discharging water(104) formed in the upper part of an inside water tank(103) to make washing water go up following the inside circumference of the inside water tank(103) having no hole and backlashing of the inside water tank(103) in discharging water discharged to an outside water tank(102) and a hose(108) for discharging water discharged to the outside water tank(102) through the hole for discharging water(104) without a pump for discharging water to the outside and connected to the outside water tank(102) directly

Description

원심배수방식의 무공벽 세탁기Centrifugal drainage wallless washer

본발명은 무공벽 세탁기에 관한 것으로 특히, 무공벽 세탁내조의 상측부에 다수개의 탈수공을 형성하여 배수행정시 무공벽 세탁내조의 정,역회전에 따른 원심력에 의해 발생되는 세탁수의 수면자유곡선에 의해 무공벽세탁내조의 내주면을 타고 상승되는 세탁수를 세탁외조로 배출킨 뒤 세탁외조에 연결된 배수호스를 통해 자연적으로 배수시킴으로서 신속한 배수효과를 얻을수 있고 에어챔버와 배수모우터를 삭제함으로서 원과절감을 꾀할 수 있도록된 원심배수방식의 무공벽 세탁기에 관한 것이다.The present invention relates to a non-walled washing machine, in particular, a plurality of dehydration holes formed in the upper side of the non-walled washing tank free drain of the washing water generated by centrifugal force due to the forward and reverse rotation of the non-walled washing tank By draining the washing water that rises on the inner circumference of the non-walled washing tank by the curve into the washing tank, it drains naturally through the drain hose connected to the washing tank to get a quick draining effect and eliminates the air chamber and drain motor. It relates to a centrifugal drainage wallless washer that can be cut over.

종래 펄세이터에 의한 교반세탁을 하는 세탁기의 구조는 도1 에 나타내었다.The structure of a washing machine for agitated washing by a conventional pulsator is shown in FIG.

상기 세탁기(1)는 세탁수를 저장할 수 있는 세탁외조(2)와,The washing machine 1 and the laundry outer tank (2) that can store the wash water,

상기 세탁외조(2)내부의 설치되어 세탁물을 세탁하기 위한 세탁내조(3)와,A washing tub (3) installed inside the washing tub (2) for washing laundry;

상기 세탁내조(3)의 내부 바닥면에 설치되어 정,역회전을 하면서 세탁물에 기계적 회전력을 부여하여 세탁물을 교반 세탁하는 펄세이터(4)와,A pulsator (4) installed on the inner bottom surface of the washing tub (3) to impart mechanical rotational force to the laundry while performing forward and reverse rotation, and stir washing the laundry;

상기 펄세이터(4)를 정,역회전시키기 위해 펄세이터(4)에 결합되는 세탁축(6)과,A washing shaft 6 coupled to the pulsator 4 to rotate the pulsator 4 forward and reverse,

상기 세탁내조(3)를 일방향으로 회전시키기 위해 세탁내조(3)에 결합되는 탈수축(6-1)과,A dewatering shaft 6-1 coupled to the washing tub 3 to rotate the washing tub 3 in one direction;

상기 세탁축(6)과 탈수축(6-1)을 결합 혹은 분리시키는 클러치(7)와,A clutch 7 for coupling or separating the washing shaft 6 and the dehydrating shaft 6-1;

상기 클러치(7)를 구동시키기 위하여 클러치(7)와 풀리 및 밸트로 연결되어 회전력을 전달하는 모우터(8)와,A motor 8 connected to the clutch 7 and a pulley and a belt to transfer the rotational force to drive the clutch 7,

상기 세탁외조(2)의 세탁수를 외부로 배출시키기 위하여 세탁외조(2)에 결합되는 배수밸브(9)와,A drain valve 9 coupled to the washing tub 2 for discharging the washing water of the washing tub 2 to the outside;

상기 세탁내조(3)의 수위를 감지하기 위한 에어챔버(10)를 구비한 구성으로 되어 있다.The air chamber 10 for detecting the water level of the washing tub 3 is configured.

상기와 같은 종래 세탁기의 작용을 설명하면 다음과 같다.Referring to the operation of the conventional washing machine as described above are as follows.

세탁내조(3)의 내부에 세탁물을 넣고 시작보턴을 누르면 급수가 되어진다.Put the laundry inside the washing tank (3) and press the start button, the water is supplied.

상기 세탁내조(3)로 급수되는 세탁수는 세탁내조(3)와 세탁외조(2)를 채우게 되는 동시에 일정수위가 되면 에어챔버(10)의 압력을 수위센서가 감지하여 급수를 중단시킨다.The wash water supplied to the washing tub 3 fills the washing tub 3 and the washing tub 2 and at a certain level, the water level sensor detects the pressure of the air chamber 10 to stop the water supply.

상기의 급수가 중단됨과 동시에 모우터(8)가 정,역 회전하면서 세탁축(6)을 정,역회전 시키게 된다.At the same time as the water supply is stopped, the motor 8 rotates forward and backward while rotating the washing shaft 6 forward and reverse.

따라서,상기의 세탁축(6)에 연결된 펄세이터(4)가 정,역회전을 하면서 세탁물을 세탁하게 된다.Accordingly, the pulsator 4 connected to the laundry shaft 6 washes the laundry while the forward and reverse rotations are performed.

또한, 상기의 세탁이 완료되면 배수공정으로 이어지면서 배수밸브(9)가 개방되고 상기 배수밸브(9)의 개방에 의해 세탁외조(2)의 세탁수가 외부로 배수되어진다.In addition, when the washing is completed, the drainage valve 9 is opened while the drainage process is opened, and the washing water of the washing outer tub 2 is drained to the outside by opening the drainage valve 9.

또한, 상기의 배수공정이 완료되면 세탁내조(3)에 세탁물과 함께 머물고 있는 세탁수를 배수시키기 위한 탈수공정이 이어진다.In addition, when the drainage process is completed, a dehydration process for draining the wash water staying with the laundry in the washing tub 3 is followed.

상기의 탈수공정은 세탁축(6)과 탈수축(6-1)이 결합된 상태에서 세탁내조(3)와 펄세이터(4)가 일체로 일방향 고속회전되면서 내부의 세탁수를 다수개의 세탁공(5)을 통해 세탁외조(2)로 탈수 시키게 되고 아울러 세탁외조(2)로 탈수된 세탁수는 배수밸브(9)를 통해 외부로 배수되어진다.In the dehydration process, the washing tub 6 and the pulsator 4 are integrally rotated in one direction at a high speed in a state in which the washing shaft 6 and the dehydration shaft 6-1 are coupled to the plurality of washing holes. Dehydration to the wash tub 2 through (5) and the wash water dewatered to the wash tub 2 is drained to the outside through the drain valve (9).

그러나, 상기와 같은 종래 기술은 배수행정시 세탁내조(3)의 세탁수가 다수개의 세탁공(5)을 통해 세탁외조(2)로 배출된 뒤 배수펌프(9)의 작동에 의해 배수호스(9)를 개방함으로서 배수가 이루어지기 때문에 배수시간이 많이 소요되어진다.However, in the prior art as described above, the washing water in the washing tub 3 is discharged to the washing tub 2 through a plurality of washing holes 5 at the time of drainage, and then the drain hose 9 is operated by the operation of the drain pump 9. It takes a lot of drainage time because the drainage is made by opening).

또한, 상기의 세탁기(1)는 세탁내조(3)의 수위를 감지하기 위한 에어챔버(10)가 필히 설치되어야 하고 배수펌프(9)의 설치도 필수적이었으므로 제작원가의 높은 상승을 초래하게 되는 문제점을 가지고 있었다.In addition, the washing machine 1 has to be installed in the air chamber 10 for detecting the water level of the washing tub 3, and the installation of the drainage pump 9 was also essential, causing a high rise in manufacturing cost. Had

이러한 종래의 문제점 등을 해결 보완하기 위한 본발명의 목적은,The purpose of the present invention for solving and complementing such a conventional problem,

배수행정시 신속한 배수가 이루어지도록하여 전체 세탁운전시간을 감축시킬수 있게 되고,It is possible to reduce the overall washing operation time by allowing rapid drainage during drainage administration,

세탁기의 제작시에 소요되는 제작원가를 절감할 수 있도록 하는 목적을 제공한다.It provides an object to reduce the manufacturing cost required during the manufacture of the washing machine.

상기의 목적을 달성하기 위하여 본발명은,In order to achieve the above object, the present invention,

배수행정시 모우터와 연결된 무공벽 세탁내조의 회전수를 서서히 상승시켜 세탁수가 원심력에 의해 수면자유곡선을 그리면서 무공벽 세탁내조의 내벽면을 타고 상승되도록한 뒤 상기 무공벽 세탁내조의 내벽면을 타고 상승된 세탁수를 다수개의 탈수공을 통해 세탁외조로 배출시킨다음 배수펌프가 없는 상태로 세탁외조에 결합된 배수호스를 통해 외부로 배수시키면 본발명의 목적을 달성할 수 있게 된다.During the drainage operation, the rotational speed of the non-wall laundry tank connected to the motor is gradually increased so that the washing water rises on the inner wall surface of the non-wall laundry tank while drawing the water free curve by centrifugal force, and then the inner wall surface of the non-wall laundry tank. The discharged washing water is discharged to the washing tub through a plurality of dehydration holes and then drained to the outside through a drain hose coupled to the washing tub without a drain pump, thereby achieving the object of the present invention.

도1은 종래 클러치식 세탁기의 구성을 나타낸 단면도1 is a cross-sectional view showing the configuration of a conventional clutch type washing machine

도2는 본발명 무공벽 세탁기의 구성을 나타낸 단면도Figure 2 is a cross-sectional view showing the configuration of the non-wall washing machine of the present invention

도3은 본발명 모우터의 회전수 변화를 나타낸 도표Figure 3 is a diagram showing the change in rotation speed of the present invention motor

<도면중 주요 부분에 대한 부호설명><Code Description of Main Parts of Drawing>

101-무공벽 세탁기 102-세탁외조101-wallless washing machine 102-washing outside tank

103-무공벽 세탁내조 104-탈수공103-free wall washing tank 104-dehydration

105-펄세이터 106-구동축105-pulsator 106-drive shaft

107-모우터 108-배수호스107-Motor 108-Drainage Hose

본발명의 구성을 도2에 의해 상세히 설명하기로 한다.The configuration of the present invention will be described in detail with reference to FIG.

무공벽세탁기(101)의 배수행정시 무공벽 세탁내조(103)의 정,역회전에 따른 원심력에 의해 발생되는 세탁수의 수면자유곡선에 의해 무공벽 세탁내조(103)의 내주면을 타고 상승되는 세탁수를 세탁외조(102)로 배출시키기 위하여 무공벽 세탁내조(103)의 상측부에 형성되는 다수개의 탈수공(104)과,When the drainage stroke of the non-wall washing machine 101 is lifted on the inner circumferential surface of the non-wall washing inner tank 103 by the free surface of the washing water generated by the centrifugal force due to the forward and reverse rotation of the non-wall washing inner tank 103 A plurality of dewatering holes 104 formed at an upper side of the non-walled washing inner tub 103 to discharge the washing water to the outer tub 102;

상기 탈수공(104)을 통해 세탁외조(102)로 배출된 세탁수를 외부로 배수펌프없이 자연적으로 배출시킬수 있도록 하기 위해 세탁외조(102)에 직접 연결되는 배수호스(108)를 구비한 구성이다.In order to be able to discharge the washing water discharged to the washing tub 102 through the dehydration hole 104 to the outside without a drain pump, the drain hose 108 is directly connected to the washing tub 102. .

그리고, 상기 무공벽 세탁내조(103)를 회전시키는 모우터(107)의 회전수를 서서히 상승시켜서 배수에 임할수 있도록된 것이다.Then, by gradually increasing the rotational speed of the motor 107 for rotating the airtight wall washing tank 103 is to be able to come to drain.

이와같이된 본발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention as described above is as follows.

먼저, 도2는 본발명의 무공벽 세탁기(101)를 나타낸 단면도로서, 세탁기(101)의 무공벽 세탁내조(103)내부로 세탁물을 투입한 뒤 시작버튼을 누르면 급수가 이루어지게 된다.First, Figure 2 is a cross-sectional view showing a non-wall washing machine 101 of the present invention, the laundry is put into the non-wall washing inner tank 103 of the washing machine 101, press the start button is made water supply.

상기의 급수는 무공벽 세탁내조(103)에만 이루어지게 되고 세탁외조(102)에는 급수가 이루어지지 않게된다.The water supply is made only to the non-wall washing inner tank 103, the water is not made to the laundry outer tank (102).

즉, 상기 무공벽 세탁내조(103)에는 세탁공이 없기 때문에 세탁외조(102)로 세탁수가 공급될수 없게 되는 것이다.That is, since there is no washing hole in the non-wall washing inner tank 103, the washing water cannot be supplied to the washing outer tank 102.

상기의 급수가 완료되면 모우터(107)에 전원이 인가되면서 세탁행정 및 헹굼행정을 실행하게 된다.When the water supply is completed, power is applied to the motor 107 to execute the washing stroke and the rinsing stroke.

즉, 상기 모우터(107)의 회전에 의해 구동축(106)이 정,역회전을 하면서 펄세이터(105)를 일체로 형성하고 있는 무공벽 세탁내조(103)도 정,역회전을 하여 세탁물을 세탁하게 된다.That is, while the drive shaft 106 rotates forward and reverse by the rotation of the motor 107, the non-walled washing tub 103 in which the pulsator 105 is integrally formed also rotates forward and reverse to wash the laundry. Washed.

상기와 같이 세탁외조(102)에는 세탁수가 없고 무공벽 세탁내조(103)에만 세탁수가 담겨 있는 상태에서 세탁을 하기 때문에 상기 무공벽 세탁내조(103)와 세탁외조(102)사이의 체적만큼 세탁수가 절약되는 것이므로 많은량의 세탁수를 절약할 수 있게 된다.As described above, since the washing is performed in a state in which the laundry is not contained in the laundry outer tub 102 and the washing water is contained only in the non-wall washing tub 103, the washing water is washed by the volume between the non-wall washing tub 103 and the laundry tub 102. Since it saves a lot of washing water can be saved.

그리고, 상기의 세탁 및 헹굼행정이 완료되면 배수행정이 시작된다.Then, when the washing and rinsing stroke is completed, the drainage stroke is started.

상기의 배수행정시에는 모우터(107)의 작동에 의해 무공벽 세탁내조(103)를 정,역회전시키게 된다.In the above drainage administration, the non-wall washing inner tank 103 is rotated forward and reverse by the operation of the motor 107.

즉, 상기 무공벽 세탁기(103)의 정,역회전에 의해 세탁수는 원심력에 의해 도2와 같은 수면자유곡선이 생겨나게 된다.That is, the washing water is free-flowing as shown in FIG. 2 by centrifugal force due to the forward and reverse rotation of the non-wall washing machine 103.

상기와 같은 수면자유곡선에 의해 세탁수는 무공벽 세탁내조(103)의 내벽면을 타고 상승하여 다수개의 탈수공(104)을 통해 세탁외조(102)로 배출되어진다.The washing water rises on the inner wall surface of the non-wall washing inner tank 103 and is discharged to the washing outer tank 102 through the plurality of dehydration holes 104 by the sleep free curve as described above.

그리고, 상기 세탁외조(102)로 배출된 세탁수는 세탁외조(102)와 외부를 배수모우터가 없는 상태로 연결되어 있는 배수호스(108)를 통해 자연적으로 배수시킬 수 있게 된다.In addition, the wash water discharged to the washing tub 102 may be naturally drained through the drain hose 108 connected to the washing tub 102 and the outside without a drain motor.

이때, 상기 배수행정시 무공벽 세탁내조(103)를 회전시키는 모우터의 회전수는 도3의 도표에 나타낸 바와같이 서서히 상승시켜서 배수에 임하게 되므로 세탁수의 원심력을 이용한 배수를 할수 있게 된다.At this time, the rotational speed of the motor for rotating the non-wall washing inner tank 103 during the drainage stroke is gradually raised as shown in the diagram of Figure 3, so that the water can be drained using the centrifugal force of the wash water.

특히, 상기와 같은 본발명은 에어챔버와 배수모우터가 필요없기 때문에 에어챔버 및 배수펌프를 장착시에 소요되는 제작원가 등을 저감시킬 수 있게 된다.In particular, the present invention as described above can reduce the production cost required for mounting the air chamber and the drain pump because the air chamber and the drainage motor is not necessary.

이와같이된 본발명은, 배수행정시 모우터와 연결된 무공벽 세탁내조의 회전수를 서서히 상승시켜 세탁수가 원심력에 의해 수면자유곡선을 그리면서 무공벽 세탁내조의 내벽면을 타고 상승되도록한 뒤 상기 무공벽 세탁내조의 내벽면을 타고 상승된 세탁수를 다수개의 탈수공을 통해 세탁외조로 배출시킨다음 배수펌프가 없는 상태로 세탁외조에 결합된 배수호스를 통해 외부로 배수시킬수 있도록 함으로서,In this way, the present invention, by gradually increasing the rotational speed of the non-wall washing tank connected to the motor during the drainage operation so that the washing water is raised on the inner wall surface of the non-wall washing tank by the centrifugal force to draw the water free curve By discharging the washing water that has risen on the inner wall of the wall washing tank to the washing tank through a plurality of dewatering holes, it can be drained to the outside through the drain hose coupled to the washing tank without the drain pump.

배수행정시 신속한 배수가 이루어지도록하여 전체 세탁운전시간을 감축시킬수 있게 되고 세탁기의 제작시에 소요되는 제작원가를 절감할수 있는 유용한 효과를 갖는다.It is possible to reduce the overall washing operation time by making a rapid drainage during the drainage administration, and has a useful effect of reducing the manufacturing cost required during the manufacture of the washing machine.

Claims (2)

무공벽세탁기의 배수행정시 무공벽 세탁내조의 정,역회전에 따른 원심력에 의해 발생되는 세탁수의 수면자유곡선에 의해 무공벽세탁내조의 내주면을 타고 상승되는 세탁수를 세탁외조로 배출시키기 위하여 무공벽 세탁내조의 상측부에 형성되는 다수개의 탈수공과,In order to drain the washing water that rises on the inner circumference of the non-wall washing tank by the free-flowing surface of the wash water generated by the centrifugal force due to the forward and reverse rotation of the non-wall washing tank during drainage operation of the non-wall washing tank. A plurality of dewatering holes formed at an upper side of the non-walled washing tub, 상기 탈수공을 통해 세탁외조로 배출된 세탁수를 외부로 배수펌프없이 자연적으로 배출시킬수 있도록 하기 위해 세탁외조에 직접 연결되는 배수호스를 구비한 것을 특징으로 하는 원심배수방식의 무공벽 세탁기.The centrifugal drainage wallless washing machine, characterized in that it comprises a drain hose directly connected to the laundry outer tub in order to be able to naturally discharge the wash water discharged to the outer tub through the dehydration hole without a drain pump. 제 1 항에 있어서,The method of claim 1, 상기 무공벽 세탁내조를 회전시키는 모우터의 회전수를 서서히 상승시켜서 배수에 임할수 있도록된 것을 특징으로 하는 원심배수방식의 무공벽 세탁기.The centrifugal drainage washing machine of the centrifugal drainage method, characterized in that the rotational speed of the motor for rotating the non-wall washing inner tank is gradually raised.
KR1019980059754A 1998-12-29 1998-12-29 Laundry machine operated using centrifugal force with no hole on the wall of the water tank KR20000043376A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100437784B1 (en) * 2001-11-06 2004-06-30 엘지전자 주식회사 structure of air chamber formed with bellows hose as a unit in drum-type washing machine
CN105525490A (en) * 2014-10-21 2016-04-27 青岛海尔洗衣机有限公司 A full-automatic washing machine
CN106032633A (en) * 2015-03-10 2016-10-19 青岛海尔洗衣机有限公司 A washing machine and a control method therefor
CN108796972A (en) * 2017-04-28 2018-11-13 青岛海尔洗衣机有限公司 A kind of washing machine
CN108796971A (en) * 2017-04-28 2018-11-13 青岛海尔洗衣机有限公司 A kind of washing machine
WO2021032042A1 (en) * 2019-08-20 2021-02-25 青岛海尔洗衣机有限公司 Washing machine and control method therefor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100437784B1 (en) * 2001-11-06 2004-06-30 엘지전자 주식회사 structure of air chamber formed with bellows hose as a unit in drum-type washing machine
CN105525490A (en) * 2014-10-21 2016-04-27 青岛海尔洗衣机有限公司 A full-automatic washing machine
CN105525490B (en) * 2014-10-21 2020-04-17 青岛海尔洗衣机有限公司 Full-automatic washing machine
CN106032633A (en) * 2015-03-10 2016-10-19 青岛海尔洗衣机有限公司 A washing machine and a control method therefor
CN106032633B (en) * 2015-03-10 2019-12-13 青岛海尔洗衣机有限公司 Washing machine and control method thereof
CN108796972A (en) * 2017-04-28 2018-11-13 青岛海尔洗衣机有限公司 A kind of washing machine
CN108796971A (en) * 2017-04-28 2018-11-13 青岛海尔洗衣机有限公司 A kind of washing machine
CN108796972B (en) * 2017-04-28 2022-05-06 青岛海尔洗衣机有限公司 Washing machine
WO2021032042A1 (en) * 2019-08-20 2021-02-25 青岛海尔洗衣机有限公司 Washing machine and control method therefor

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