WO2020042904A1 - Machine à laver de type à compression à tambour et son procédé d'utilisation - Google Patents

Machine à laver de type à compression à tambour et son procédé d'utilisation Download PDF

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Publication number
WO2020042904A1
WO2020042904A1 PCT/CN2019/100407 CN2019100407W WO2020042904A1 WO 2020042904 A1 WO2020042904 A1 WO 2020042904A1 CN 2019100407 W CN2019100407 W CN 2019100407W WO 2020042904 A1 WO2020042904 A1 WO 2020042904A1
Authority
WO
WIPO (PCT)
Prior art keywords
washing machine
water
squeeze
drum
tub
Prior art date
Application number
PCT/CN2019/100407
Other languages
English (en)
Chinese (zh)
Inventor
张清秀
Original Assignee
张清秀
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 张清秀 filed Critical 张清秀
Publication of WO2020042904A1 publication Critical patent/WO2020042904A1/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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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
    • D06F15/00—Washing machines having beating, rubbing or squeezing means in receptacles stationary for washing purposes
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • 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
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • 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
    • 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
    • D06F39/088—Liquid supply arrangements
    • D06F2202/085—
    • D06F2204/086—

Definitions

  • the invention relates to the technical field of household appliances, and more particularly, to a drum squeeze type washing machine and a method for using the same.
  • washing machines that are common in the market, they can be divided into three types according to the washing mode: agitator washing machines; pulsator washing machines and drum washing machines; drum washing machines have the most uniform washing among these three washing machines, but drum washing machines
  • the lifting ribs in the middle are fixed, the height of the lifting ribs is increased, and the washing capacity is improved, but the machine shakes during dehydration.
  • the height is generally around 6CM. This structure results in a weak washing capacity of the drum washing machine. , Low washing ratio, high wear rate of clothes, long washing time, high noise and jitter during dehydration.
  • the purpose of the present invention is to provide a drum squeeze type washing machine and a method for using the same, which are used to solve the weak washing capacity, low washing ratio, high wear rate, long washing time, and dehydration of the existing drum washing machines in the prior art.
  • Technical problems of high noise and jitter are used to solve the weak washing capacity, low washing ratio, high wear rate, long washing time, and dehydration of the existing drum washing machines in the prior art.
  • the technical solutions adopted by the present invention are:
  • a drum squeeze type washing machine includes a water tub, a dewatering tub, a pressing device, and a driving device; the dewatering tub is installed in the water tub, and The squeeze device is installed in the dehydration bucket; the driving device includes a drive shaft, the drive shaft passes through the bottom of the water tub and is connected to the bottom of the dehydration bucket, and can drive the dehydration bucket to rotate;
  • the squeezing device includes at least one squeezing plate, and the squeezing plate is rotatably mounted on a side wall of the dehydration bucket.
  • the driving device drives the dehydration bucket to rotate in a first direction
  • the squeezing device The pressing plate is at a target angle with the side wall of the dehydration bucket.
  • the driving device drives the dehydration bucket to rotate in the second direction
  • the pressing plate is abutted with the side wall of the dehydration bucket.
  • drum squeeze type washing machine includes:
  • the driving device drives the dehydration bucket to rotate in a first direction, the squeeze plate is at a target angle with a side wall of the dehydration bucket, and the laundry rotates in the dehydration bucket with the squeeze plate, and Due to the resistance of the water in the dehydration bucket, the dirt in the clothes is squeezed out with the water in the clothes.
  • the clothes are rotated to the top of the dehydration bucket with the squeeze plate, they are affected by gravity.
  • the laundry falls into the water in the bottom of the dehydration bucket to absorb water, and so circulates until the end of the washing process;
  • the driving device drives the dehydration bucket to rotate in the second direction, the squeeze plate is attached to a side wall of the dehydration bucket, and the laundry is dried under the action of centrifugal force.
  • the drum squeeze type washing machine provided by the present invention and the use method thereof have the beneficial effects that: the drum squeeze type washing machine provided by the present invention, the driving device drives the dehydration bucket to rotate in the first direction, and the squeeze plate and the side wall of the dehydration bucket are targeted Angle, rotate with the clothes.
  • the driving device drives the dehydration bucket to rotate in the first direction
  • the squeeze plate and the side wall of the dehydration bucket are targeted Angle, rotate with the clothes.
  • the driving device drives the dehydration bucket to rotate in the first direction
  • the squeeze plate and the side wall of the dehydration bucket are targeted Angle, rotate with the clothes.
  • the dehydration bucket When moving in the water, it is subject to water resistance and centrifugal force.
  • the dirt in the clothes is squeezed out with the water in the clothes.
  • the dewatering bucket moves with the squeeze plate from the bottom up
  • the clothing is subject to its own gravity and centrifugal force.
  • the dirt in the clothing is further squeezed out with the water in the clothing.
  • the present invention increases the washing and squeezing of laundry at the same time when the drum washing machine is beaten and washed, which can quickly discharge the dirt in the laundry.
  • the washing ability is strong and the washing ratio is high.
  • this method reduces the friction between the clothes and the clothes, the clothes and the wall of the dehydration bucket, reduces the wear rate of the clothes, and reduces the washing time.
  • Water compression plate is closed by the laundry uniformly distributed in the wall of the dewatering tank, and reducing jitter noise washer extractor.
  • FIG. 1 is a schematic side sectional structural view of a drum squeeze type washing machine provided by an embodiment of the present invention
  • FIG. 2 is a schematic structural side view of a drum squeeze type washing machine with a weight block removed according to an embodiment of the present invention
  • FIG. 3 is a schematic structural side view of a drum squeeze type washing machine with a door removed, according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a rear view of a drum squeeze type washing machine provided by an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a front section during a washing process of a drum squeeze type washing machine according to an embodiment of the present invention
  • FIG. 6 is a schematic structural diagram of a front section during a spin-drying process of a drum squeeze type washing machine according to an embodiment of the present invention.
  • the drum squeeze type washing machine includes a casing 100, a tub 11, a dehydration bucket 10, a pressing device 200 and a driving device 300.
  • the casing 100 includes a washing machine cabinet 1 and a washing machine door 9.
  • the washing machine cabinet 1 is provided with a first opening 25.
  • the washing machine door 9 is installed at the first opening 25 of the washing machine cabinet 1 and can be closed with the first opening 25.
  • the casing 100 is a support fixing and an appearance package of the internal components of the drum squeeze washing machine.
  • the tub 11 has a second opening 26, and the tub 11 is installed horizontally or reclining in the washing machine cabinet 1, wherein when the tub 11 is installed in the washing machine cabinet 1, the second opening 26 is inclined obliquely upward
  • the second opening 26 corresponds to the position of the first opening 25.
  • the main function of the tub 11 is to hold washing water, collect water when it is dried, and support it.
  • the dehydration bucket 10 has a third opening 27, and a number of holes are provided on the dehydration bucket 10, so that water can flow freely in the dehydration bucket 10 and the water tub 11.
  • the dehydration bucket 10 is installed in the tub 11, and the third opening 27 corresponds to the position of the second opening 26.
  • the main function of the dehydration bucket 10 is to cooperate with the squeeze plate 8 to complete the squeeze washing and spin-drying of the laundry.
  • the driving device 300 is installed in the washing machine casing 1.
  • the driving device 300 includes a driving shaft 20.
  • the driving shaft 20 passes through the bottom of the tub 11 and is connected to the bottom of the dehydration tub 10, and can drive the dehydration tub 10 to rotate in the tub 11. It can be understood that when the driving shaft 20 of the driving device drives the dehydration tub 10 to rotate, the water tub 11 is in a stationary state.
  • the pressing device 200 includes at least one pressing plate 8 that is rotatably installed on the side wall of the dewatering bucket 10.
  • the driving device drives the dewatering bucket 10 to rotate in the first direction
  • the pressing plate 8 and the dewatering bucket 8 The side wall of 10 is at a target angle.
  • the driving device drives the dehydration bucket 10 to rotate in the second direction
  • the pressing plate 8 is attached to the side wall of the dehydration bucket 10.
  • the first direction and the second direction are opposite directions.
  • the first direction may be a counterclockwise direction
  • the second direction is a clockwise direction.
  • the pressing device further includes a hinge 6, and the pressing device includes three pressing plates 8, the three pressing plates 8 are spaced 120 ° in turn and are installed on the side wall of the dewatering bucket 10 through the hinge 6.
  • the hinge 6 is used for rotating and limiting the pressing plate 8.
  • the dewatering bucket 10 rotates counterclockwise in the direction of the arrow, and the pressing plate 8 is at a target angle with the side wall of the dewatering bucket 10, and the target angle is close to 90 °.
  • the The target angle can be changed by adjusting the limit position of hinge 6.
  • the laundry in the dehydration bucket 10 is squeezed in water.
  • the pressing device further includes a limiting block, and the pressing plate 8 is limited by the limiting block.
  • the limiting block is installed on one side of the hinge 6 and is used to limit the rotation angle of the pressing plate 8 so that Achieve limit function.
  • the limiting block can be installed on the side wall of the dehydration bucket, or on the bottom wall and the third opening of the dehydration bucket, as long as the function of limiting the angle of the squeeze plate 8 can be achieved, and its specific installation position No restrictions.
  • the pressing plate 8 may include, but is not limited to, an arc-shaped rectangular plate and a rectangular plate with holes.
  • the arc of the arc surface of the pressing plate 8 is similar to the arc of the barrel wall of the dehydration barrel. Further, the arc surface of the pressing plate 8 is wavy. A plurality of mesh holes are provided on the arc surface of the pressing plate 8.
  • a seal ring 7 is installed on the periphery of the second opening 26 of the tub 11.
  • the seal ring 7 is used to ensure that the entire washing machine is in a sealed state during the washing process.
  • the washing machine door 9 is provided with a transparent glass observation window for observing the washing state of the laundry in the washing machine.
  • the casing 100 further includes a plurality of ground feet 15.
  • the plurality of ground feet 15 are installed at the bottom of the washing machine cabinet 1 to support the washing machine cabinet 1 and adjust the level of the washing machine cabinet 1.
  • the drum squeeze type washing machine further includes: a weight block 5, which is installed on the outer wall of the tub 11 to reduce washing jitter, and may be specifically installed on the top position of the tub 11.
  • the drum squeeze type washing machine further includes: a shock absorbing device, which is installed in the washing machine cabinet 1, and the shock absorbing device includes a suspension spring 2 and a shock absorber 14.
  • the shock absorbing device may include two suspension springs 2 and two shock absorbers 14. One end of the two suspension springs 2 are respectively connected to different side walls of the washing machine cabinet 1, and the other end is connected to the tub 11. One end of the two shock absorbers 14 is connected to the bottom wall of the washing machine cabinet 1, and the other end is connected to the The water tub 11 is connected, and the suspension spring 2 and the shock absorber 14 suspend the water tub 11 in the washing machine cabinet 1. Its main function is to reduce the noise and balance of the washing machine during washing and spin-drying.
  • the drum squeeze type washing machine further includes: an electric control device 4, a water supply and drainage device, a driving device, a heating device and a drying device.
  • the electric control device 4 is installed on the washing machine cabinet 1.
  • the electric control device 4 includes a circuit board and electronic components. And wires, electronic components are installed on the circuit board, and the electric control device 4 is electrically connected to the water supply and drainage device, the driving device, the heating device and the drying device through the wires.
  • the electric control device 4 is the computer program control part of the washing machine. It stores various washing mode programs. It is connected to the multi-speed motor 24, the liquid level sensor 17, the drain solenoid valve 12, the water supply solenoid valve 16, and the fan 18 through different wires. Electrical component link. Further, the electric control device 4 is provided with a control panel, and the user can select different programs to control the working process of the washing machine through function buttons on the control panel, such as quick washing, wool, silk, standard, spin-drying, etc.
  • the water supply and drainage device is installed in the washing machine cabinet 1.
  • the water supply and drainage device includes a water supply device and a drainage device.
  • the water supply device includes a water pipe, a level gauge 17, a water supply solenoid valve 16, a detergent dispenser box 3, and a hose.
  • the inlet is connected to the water source through a water pipe
  • the outlet is connected to the inlet of the detergent dispenser box 3 through a water pipe
  • the outlet of the detergent dispenser box 3 is connected to the water inlet of the water tub 11 through a hose
  • the level gauge 17 is connected to the water tank 11 through a water pipe
  • the electric control device 4 is connected with the liquid level gauge 17 and the water supply solenoid valve 16 in the water supply device.
  • the drainage device includes a drainage solenoid valve 12 and a drainage pipe 13.
  • the inlet of the drainage solenoid valve 12 is connected to the water outlet of the tub 11.
  • the outlet of the drainage solenoid valve 12 is connected to the drainage pipe 13.
  • the electric control device 4 is
  • the driving device 300 is installed in the washing machine cabinet 1.
  • the driving device 300 further includes: a multi-speed motor 24, a small pulley 23, a belt 21, and a large pulley 19.
  • the output shaft of the multi-speed motor 24 is connected to the small pulley 23.
  • the small pulley 23 is connected to the large pulley 19 through a belt 21, the large pulley 19 is connected to the drive shaft 20, and the electric control device 4 is electrically connected to the multi-speed motor 24.
  • the motor 24 drives the dehydration tub 10 to rotate under the control of the electric control device 4 to realize laundry washing, rinsing, and spin-drying.
  • the heating device is a heating rod 22.
  • the heating rod 22 is installed in the tub 11 to heat the water in the tub 11.
  • the electric control device 4 is electrically connected to the heating rod 22.
  • the heating rod 22 is installed in the interlayer between the water tub 11 and the dehydration tub 10, and is controlled by the electric control device 4. Its main function is to heat and dry the washing water.
  • the drying device is a fan 18, which is installed in the washing machine cabinet 1 and connected to the tub 11 through a pipe.
  • the electric control device 4 is electrically connected to the fan 18. Specifically, the air outlet of the fan 18 is connected to the tub 11 through a pipe, and is controlled by the electric control device 4.
  • the main function is to dry the clothes after washing and spinning.
  • An embodiment of the present invention further provides a method for using a drum squeeze washing machine, including:
  • the driving device drives the dehydration bucket to rotate in the first direction.
  • the extrusion plate automatically rotates at a target angle with the side wall of the dehydration bucket.
  • the extrusion plate and the dehydration bucket rotate together in the tub.
  • the extrusion plate rotates to the At the bottom, the laundry being washed is subject to the resistance and centrifugal force of the water in the dewatering bucket, forming a pair with the squeeze plate and the wall of the dehydration bucket.
  • the dirt in the clothes is squeezed out with the water in the clothes.
  • the driving device drives the dehydration bucket to rotate in the second direction, the squeeze plate automatically rotates to fit the side wall of the dehydration bucket under the action of inertia, and the clothes are dried under the action of centrifugal force.
  • the washing process of the drum squeeze type washing machine in the present invention Open the washing machine door 9 of the washing machine, put the laundry to be washed in the dewatering tub 10, cover the washing machine door 9, and add detergent to the detergent dispensing box 3. , Turn on the power and water source, turn on the machine, set the washing mode in the control panel of the electric control device 4, start the program, under the program control, the water solenoid 16 is opened, the water tank 11 is filled with water, and the level sensor 17 is sent to the electric control device. At 4 o'clock, the height value of the liquid level in the water tank 11 is transmitted. When the liquid level value reaches the set value, the water supply solenoid valve 16 is closed and the water supply is stopped.
  • the electric control device 4 controls the multi-speed motor 24 of the driving device to rotate forward, and the motor 24 is positive.
  • the dehydration bucket 10 is rotated counterclockwise, and the three squeeze plates 8 stand up.
  • the dehydration bucket 10 with the squeeze plates 8 drives the clothes to rotate in the water, and the clothes are squeezed under the action of water resistance, clothing gravity, and centrifugal force. Contaminants in the fiber of the clothes are squeezed out of the mesh of the squeeze plate 8 together with water; when the squeeze plate 8 is turned close to the apex, the clothes fall into the water to achieve tumbling and absorb water.
  • the multi-speed motor 24 keeps turning, and the clothes Squeezed again and again, and so on until the end of the washing program, the drain solenoid valve 12 is opened, and the water in the tub 11 is drained.
  • the program controls the multi-speed motor 24 to reverse and drive the dehydration.
  • the barrel 10 rotates clockwise, and the pressing plate 8 is attached to the inner wall of the dewatering barrel 10 under the action of centrifugal force.
  • the clothes are dried under the action of centrifugal force.
  • the rinsing process is entered.
  • the rinsing process is similar to the washing process, except for the rinsing time. It is shorter than the washing time, and no detergent is added to the rinsing.
  • the spin-drying is performed. After the spin-drying is completed, the buzzer prompts that the washing is completed.
  • the driving device is installed in a washing machine cabinet.
  • the driving device further includes a frequency conversion motor, and the electric control device is connected with the lead of the frequency conversion motor.
  • the drum squeeze type washing machine can be driven manually, and the user rotates the dehydration tub by manually rotating the driving shaft.

Landscapes

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

Abstract

L'invention concerne une machine à laver de type à compression à tambour et son procédé d'utilisation, un dispositif d'entraînement entraînant une cuve de séchage à tourner dans une première direction ; une plaque de compression (8) est à un angle cible par rapport à la paroi latérale de la cuve de séchage (10) ; des vêtements sont mis en rotation dans la cuve de séchage (10) avec la plaque de compression (8), et la saleté des vêtements est pressée contre l'eau dans les vêtements en raison de la résistance de l'eau dans la cuve de séchage (10) ; lorsque les vêtements sont mis en rotation vers le haut de la cuve de séchage (10) avec la plaque de pressage (8), sous l'action de la gravité, les vêtements tombent dans la cuve de séchage (10) pour absorber l'eau, et ce cycle est répété jusqu'à la fin du processus de lavage. Le lavage de vêtements au moyen d'une compression peut éliminer la saleté dans les vêtements rapidement, de telle sorte que la capacité de lavage est puissante ; en outre, cette approche réduit le frottement entre les vêtements et la paroi de la cuve de séchage (10), réduisant ainsi le taux d'usure des vêtements. Le remplacement des nervures de levage dans la machine à laver à tambour existant avec la plaque de compression (8) qui est ouverte pendant le lavage et la fermeture pendant le séchage réduit les vibrations et le bruit de la machine à laver pendant le séchage.
PCT/CN2019/100407 2018-08-29 2019-08-13 Machine à laver de type à compression à tambour et son procédé d'utilisation WO2020042904A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810995866.9 2018-08-29
CN201810995866.9A CN108796979A (zh) 2018-08-29 2018-08-29 滚筒挤压式洗衣机

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WO2020042904A1 true WO2020042904A1 (fr) 2020-03-05

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WO (1) WO2020042904A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108796979A (zh) * 2018-08-29 2018-11-13 龙港乐家创新科技（深圳）有限责任公司 滚筒挤压式洗衣机
CN114164605A (zh) * 2020-08-23 2022-03-11 龙港乐家创新科技（深圳）有限责任公司 离心挤压滚筒洗衣机及其控制方法
CN113188297B (zh) * 2021-04-05 2022-07-12 河北东风养殖有限公司 一种基于环保的禽类羽毛加工装置
CN113638179B (zh) * 2021-08-18 2022-08-02 珠海格力电器股份有限公司 具有脱水功能的门体洗涤机构和洗涤装置
CN114016257B (zh) * 2021-11-30 2022-12-27 珠海格力电器股份有限公司 一种配重结构及包含其的洗衣机
CN117778153B (zh) * 2023-12-28 2024-07-02 江苏盛泉环保科技发展有限公司 一种集成微生物降解的环保型太空舱

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US5881580A (en) * 1996-11-30 1999-03-16 Daewoo Electronics Co., Ltd. Auxiliary washing device in a washing machine
CN2358092Y (zh) * 1998-12-22 2000-01-12 杨家齐 离心锤打式洗衣机
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CN204959349U (zh) * 2015-07-28 2016-01-13 谭高丰 带有挤压板的滚筒洗衣机
CN108277614A (zh) * 2018-03-23 2018-07-13 韩亚兰 一种振动挤压式滚筒洗衣机
CN108796979A (zh) * 2018-08-29 2018-11-13 龙港乐家创新科技（深圳）有限责任公司 滚筒挤压式洗衣机
CN109023825A (zh) * 2018-08-21 2018-12-18 龙港乐家创新科技（深圳）有限责任公司 转筒挤压式洗衣机

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KR20060115230A (ko) * 2005-05-04 2006-11-08 엘지전자 주식회사 드럼 세탁기의 리프트
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Publication number Priority date Publication date Assignee Title
US5881580A (en) * 1996-11-30 1999-03-16 Daewoo Electronics Co., Ltd. Auxiliary washing device in a washing machine
CN2358092Y (zh) * 1998-12-22 2000-01-12 杨家齐 离心锤打式洗衣机
CN2380589Y (zh) * 1999-06-08 2000-05-31 田莹 一种洗衣机的击打装置
CN204959349U (zh) * 2015-07-28 2016-01-13 谭高丰 带有挤压板的滚筒洗衣机
CN108277614A (zh) * 2018-03-23 2018-07-13 韩亚兰 一种振动挤压式滚筒洗衣机
CN109023825A (zh) * 2018-08-21 2018-12-18 龙港乐家创新科技（深圳）有限责任公司 转筒挤压式洗衣机
CN108796979A (zh) * 2018-08-29 2018-11-13 龙港乐家创新科技（深圳）有限责任公司 滚筒挤压式洗衣机

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