EP3199687A1 - Tambour interne de lave-linge et lave-linge - Google Patents

Tambour interne de lave-linge et lave-linge Download PDF

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Publication number
EP3199687A1
EP3199687A1 EP14902866.4A EP14902866A EP3199687A1 EP 3199687 A1 EP3199687 A1 EP 3199687A1 EP 14902866 A EP14902866 A EP 14902866A EP 3199687 A1 EP3199687 A1 EP 3199687A1
Authority
EP
European Patent Office
Prior art keywords
inner drum
washing machine
counterweight
drum
counterweight body
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP14902866.4A
Other languages
German (de)
English (en)
Other versions
EP3199687A4 (fr
EP3199687B1 (fr
Inventor
Peishi Lv
Michiaki Ito
Zongrui Chi
Lei Xiao
Quande LI
Houli LUAN
Zhi Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Drum Washing Machine Co Ltd
Original Assignee
Qingdao Haier Drum Washing Machine Co Ltd
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 Qingdao Haier Drum Washing Machine Co Ltd filed Critical Qingdao Haier Drum Washing Machine Co Ltd
Publication of EP3199687A1 publication Critical patent/EP3199687A1/fr
Publication of EP3199687A4 publication Critical patent/EP3199687A4/fr
Application granted granted Critical
Publication of EP3199687B1 publication Critical patent/EP3199687B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • D06F37/24—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 vertical 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
    • 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
    • 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
    • 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
    • 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
    • D06F23/00—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 
    • D06F23/04—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 rotating or oscillating about a vertical 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
    • 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
    • D06F37/14—Ribs or rubbing means forming part of the receptacle
    • D06F37/145—Ribs or rubbing means forming part of the receptacle ribs or lifters having means for circulating the washing liquid

Definitions

  • the present invention relates to a washing machine inner drum and a washing machine that is provided with the inner drum.
  • Washing machine is commonly used household appliances that take advantage of the high speed rotation of an inner drum to wash and spin-dry clothes. While the inner drum itself is disposed with respect to its axis in a state of balance, the positions of the clothes cannot be controlled accurately. As a result, the whole structure constituted by the inner drum and the clothes is prone to eccentricity relative to the axis of the inner drum. The inner drum is likely to vibrate sharply during the high speed rotation, and thus causes the entire washing machine to vibrate sharply.
  • the balancing ring includes at least two cavities in which at least one cavity is filled with liquid and at least one cavity is filled with spherical shaped solid fillings.
  • the cavity in which the solid fillings are located has grease and silicone oil mixed therein for the purpose of lubrication, and the total amount of solid fillings is less than half of the entire circumference of the cavity.
  • the counterweight is provided in an outer drum or in a shell.
  • An object of the present invention is to provide a washing machine inner drum having better damping effects.
  • Another object the present invention is to provide a washing machine having a simpler and more compact structure and a higher efficiency of manufacture.
  • the present invention adopts the following technical solutions:
  • a washing machine inner drum includes a hollow cylinder-shaped inner drum body, and at least one counterweight body is disposed fixedly to the inner drum body.
  • the counterweight body When the inner drum body rotates, the counterweight body is capable of rotating with the inner drum body; and a center of mass of the counterweight body is positioned in an axis of the inner drum body.
  • the counterweight body is disposed fixedly on an outside edge and/or an inside edge of the inner drum body.
  • each of the counterweight body includes at least two counterweight blocks, and a total center of mass of the at least two counterweight blocks is positioned in the axis, or each of the counterweight body is an annular solid counterweight ring, and a center of mass of the counterweight ring is positioned in the axis.
  • the counterweight body is made from cement, concrete, cast iron and/or lead.
  • a guard shell is disposed at an outer side of the counterweight body.
  • the guard shell includes at least two cavities that are arranged radially outwardly or sided by side axially with respect to the inner drum body.
  • the guard shell includes at least two cavities, wherein the counterweight body is arranged inside at least one cavity, and a mixture including steel balls and silicone oil is filled inside at least one other cavity.
  • the guard shell includes at least two cavities, wherein the counterweight body is arranged inside at least one cavity, and liquid is filled inside at least one other cavity.
  • a front-end flange is disposed at an opening of the inner drum body, and the counterweight body is fixedly disposed at an outer peripheral face of the front-end flange.
  • a washing machine includes a shell and an outer drum, in which the outer drum is provided with the washing machine inner drum as described abovetherein.
  • the washing machine inner drum of the present invention is provided with the counterweight body that is symmetric with the axis of the inner drum body.
  • the center of mass (total center of mass) of the counterweight is positioned in the axis, thereby obtaining a better damping effect.
  • a balancing device and a counterweight device are disposed integrally, which can take effect more rapidly upon occurance of vibration so as to mitigate the vibration.
  • the washing machine of the present invention is provided with the washing machine inner drum as mentioned above. No other counterweight is required at the outer drum and the outer shell after the counterweight body is disposed in the inner drum.
  • the present invention has a better damping effect, a simpler and more compact structure, a higher efficiency of manufacture, and a lower cost, and can reduce the difficulty of maintenance.
  • the present preferred embodiment discloses a washing machine inner drum.
  • the inner drum includes a hollow cylinder-shaped inner drum body 1, and a front-end flange 3 and a rear-end flange 4 are disposed at front and rear openings of the inner drum body 1, respectively.
  • a hollow annular guard shell 5 is disposed at an outer peripheral face of the front-end flange 3.
  • the guard shell 5 includes two cavities, namely a first cavity 52 and a second cavity 52, which are arranged radially inwardly and outwardly relative to the inner drum body 1.
  • a counterweight body 2 is provided inside one cavity, and a mixture 7 including steel balls and silicone oil is filled inside the other cavity.
  • a balancing ring 6 is disposed at an outer peripheral face of the rear-end flange 4 and is filled with the mixture 7 including steel balls and silicone oil.
  • a water stirring leaf 10 is disposed inside the inner drum body 1.
  • An inner drum hexagonal bracket 8 is provided at an outer side of the rear-end flange 4.
  • the counterweight body 2 is made from cement.
  • a balancing ring that is originally provided at the front-end flange 3 is replaced with the counterweight body 2 and the mixture 7 including the steel balls and the silicone oil functioning as a balancing by the inner drum.
  • the counterweight body 2 is disposed symmetrically with respect to the axis of the inner drum body 1. When the inner drum body 1 rotates, the counterweight body 2 can rotate therewith. Furthermore, the center of mass of the counterweight body 2 is located in the axis and has a better damping effect during the rotation of high speed thereon.
  • the mixture 7 including the steel balls and the silicone oil can take effect more rapidly so as to suppress the unbalanced force caused by an eccentric load.
  • the mixture 7 including the steel balls and the silicone oil plays its role firstly, and then as the rotation speed increases, the centrifugal force created by the eccentric load increases, thus the counterweight body 2 starts taking effect to enable the inner drum to increase its speed smoothly.
  • the present preferred embodiment discloses a washing machine inner drum which has substantially the same structure as that of the preferred Embodiment 1.
  • the inner drum includes a hollow cylinder-shaped inner drum body on which at least one counterweight body is fixedly disposed. Each counterweight body is disposed symmetrically with respect to the axis of the inner drum body. When the inner drum body rotates, the center of mass of the counterweight body is positioned in the axis.
  • the counterweight body is not limited to an integral counterweight ring, and it may also be a separated type structure. Namely, each counterweight body includes at least two counterweight blocks, the total center of mass of the at least two counterweight blocks is located in the axis.
  • the material of the counterweight body is not limited to cement and may also be concrete, cast iron and/or lead.
  • the position of the counterweight body is not limited to the outer peripheral face of the front-end flange of the inner drum body, instead, the counterweight body may also be disposed at outer peripheral face of the rear-end flange or other positions, as long as it can mitigate the vibration effectively as the inner drum body rotates at a higher speed.
  • the number of the cavities of the guard shell is not limited to two, and it may be one or more. When there are two or more cavities, at least one of the cavities is provided with the counterweight body therein, and at least other one of the cavity is filled with liquid or the mixture including steel balls and silicone oil.
  • first cavity 52 and the second cavity 52 are axially arranged side by side with respect to the inner drum body 1.
  • the present preferred embodiment discloses a drum washing machine which includes a shell, an outer drum and a washing machine inner drum as described above in the preferred Embodiment 1 or Embodiment 2, in which at least one counterweight body that is symmetrically disposed with respect to the axis is arranged on a inner drum body.
  • the center of mass of the counterweight body is positioned in the axis, and thus the vibration of the inner drum body can be reduced, thereby improving the stability of the washing machine during use.
  • No other counterweights are needed to be arranged on the outer drum and the shell such that the structure can be more compact.
  • the present preferred embodiment discloses a washing machine wholse structure is substantially the same as that of the preferred Embodiment 3.
  • the washing machine includes a shell, an outer drum and a washing machine inner drum as described above in the preferred Embodiment 1 or Embodiment 2, in which at least one counterweight body that is symmetrically disposed with respect to the axis is arranged on the inner drum body.
  • washing machine is not limited to be the drum washing machine, and it may also be a pulsator washing machine or other types of washing machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
EP14902866.4A 2014-09-28 2014-11-17 Tambour interne de lave-linge et lave-linge Active EP3199687B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410510619.7A CN105525484B (zh) 2014-09-28 2014-09-28 洗衣机用内筒及洗衣机
PCT/CN2014/091305 WO2016045178A1 (fr) 2014-09-28 2014-11-17 Tambour interne de lave-linge et lave-linge

Publications (3)

Publication Number Publication Date
EP3199687A1 true EP3199687A1 (fr) 2017-08-02
EP3199687A4 EP3199687A4 (fr) 2018-04-18
EP3199687B1 EP3199687B1 (fr) 2019-05-22

Family

ID=55580184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14902866.4A Active EP3199687B1 (fr) 2014-09-28 2014-11-17 Tambour interne de lave-linge et lave-linge

Country Status (6)

Country Link
US (1) US20170226681A1 (fr)
EP (1) EP3199687B1 (fr)
JP (1) JP2017529220A (fr)
KR (1) KR20170075735A (fr)
CN (1) CN105525484B (fr)
WO (1) WO2016045178A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110387676A (zh) * 2018-04-19 2019-10-29 青岛海尔滚筒洗衣机有限公司 一种装有阻尼配重块的滚筒洗衣机

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CN108070984B (zh) * 2016-11-09 2021-07-23 重庆海尔洗衣机有限公司 一种内桶底平衡环总成及洗衣机
CN106637791B (zh) * 2016-11-29 2023-04-07 无锡小天鹅电器有限公司 波轮洗衣机
CN106757989B (zh) * 2016-12-26 2020-04-21 珠海格力电器股份有限公司 一种洗衣机配重和洗衣机以及洗衣机的配重方法
CN109423824B (zh) * 2017-08-29 2025-01-21 青岛海尔洗衣机有限公司 衣物处理设备
KR102584428B1 (ko) * 2018-11-14 2023-09-27 엘지전자 주식회사 세탁물 처리기기
CN113136700A (zh) * 2020-01-17 2021-07-20 青岛海尔滚筒洗衣机有限公司 一种内筒及洗衣机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110387676A (zh) * 2018-04-19 2019-10-29 青岛海尔滚筒洗衣机有限公司 一种装有阻尼配重块的滚筒洗衣机
CN110387676B (zh) * 2018-04-19 2022-12-27 青岛海尔洗涤电器有限公司 一种装有阻尼配重块的滚筒洗衣机

Also Published As

Publication number Publication date
CN105525484A (zh) 2016-04-27
KR20170075735A (ko) 2017-07-03
EP3199687A4 (fr) 2018-04-18
JP2017529220A (ja) 2017-10-05
US20170226681A1 (en) 2017-08-10
EP3199687B1 (fr) 2019-05-22
WO2016045178A1 (fr) 2016-03-31
CN105525484B (zh) 2020-04-14

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