US20130074553A1 - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
US20130074553A1
US20130074553A1 US13/616,748 US201213616748A US2013074553A1 US 20130074553 A1 US20130074553 A1 US 20130074553A1 US 201213616748 A US201213616748 A US 201213616748A US 2013074553 A1 US2013074553 A1 US 2013074553A1
Authority
US
United States
Prior art keywords
washing machine
fastening
water tub
tub
driving motor
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.)
Abandoned
Application number
US13/616,748
Other languages
English (en)
Inventor
Jeong Ho Cha
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Assigned to SAMSUNG ELECTRONICS CO., LTD. reassignment SAMSUNG ELECTRONICS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHA, JEONG HO
Publication of US20130074553A1 publication Critical patent/US20130074553A1/en
Abandoned legal-status Critical Current

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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
    • D06F37/206—Mounting of motor
    • 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
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined 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
    • D06F37/26—Casings; Tubs
    • D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
    • D06F37/269—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups for the bearing of the rotary receptacle
    • 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

Definitions

  • Embodiments of the present disclosure relate to a washing machine having an inner-rotor-type driving motor provided with a rotator unit disposed at an inner side of a stator unit thereof.
  • a washing machine includes a body forming an exterior, a water tub installed at an inside the body in a suspended manner, a rotating tub rotatably installed at an inside the water tub, and a driving motor disposed at a rear surface of the water tub and configured to rotate the rotating tub.
  • the driving motor includes a stator unit provided with a plurality of coils disposed in a circumferential direction, a rotator unit provided with a plurality of magnet disposed in a circumferential direction and interacting with the plurality of coils of the stator unit so as to rotate while interacting with the stator unit, and a rotating shaft having one end penetrated through the water tub and connected to a central side of a rear surface of the rotating tub while having the other end fixed to a center of the rotator unit.
  • a driving motor used in a washing machine an outer-rotor-type driving motor provided with a stator unit disposed at an inner side thereof and a rotator unit disposed at an outer side thereof is being used. Recently, an inner-rotor-type driving motor is being applied, and the inner-rotor-type driving motor is provided with a stator unit, which is formed in a shape of an ring, having a rotator unit disposed at an inner side thereof to obtain higher driving force while having a same size.
  • a washing machine having a bearing housing suitable for an installation of an inner-rotor-type driving motor provided with a stator unit, which is formed in a shape of a ring, having a rotator unit disposed at an inner side thereof.
  • a washing machine comprises a body, a water tub, a rotating tub, a driving motor, and a bearing housing.
  • the water tub may be installed inside the body to contain water.
  • the rotating tub may be rotatably installed inside the water tub.
  • the driving motor may be configured to generate a rotating force to rotate the rotating tub.
  • the bearing housing may be formed through an insert molding at a rear surface of the water tub and provided with the driving motor installed therein.
  • the driving motor may include a stator unit formed in a shape of a ring, a rotator unit disposed at an inner side of the stator unit to rotate while interacting with the stator unit, and a rotating shaft having one end thereof connected to the rotating tub while the other end thereof connected to a center of the rotator unit.
  • the bearing housing may include a housing part formed in a shape of a ring and provided with a bearing installed at an inner circumferential surface thereof so as to rotatably support the rotating shaft, a flange part extended from the housing part radially and outwardly and provided with the driving motor fixed thereto, and a plurality of fastening parts integrally extended from a periphery of the flange part to a rear side of the flange part and provided with the stator unit fastened thereto while being spaced apart from each other in the circumferential direction.
  • Each of the plurality of fastening parts is provided with a first fastening hole thereto for the fastening of the stator unit.
  • the stator unit may include a second fastening hole provided at a position corresponding to the first fastening hole.
  • the fastening part may be protruded beyond a rear surface of the water tub, and an adjacent area of the fastening part may include a supporting part positioned in the same plane as the rear surface of the water tub.
  • the supporting part may be supported by a surface of a mold configured to form the water tub.
  • the bearing housing may include a plurality of first reinforcing ribs extending from the flange part in a radial direction thereof.
  • the bearing housing may include at least one second reinforcing rib formed at the flange part in the circumferential direction.
  • One of the at least one second reinforcing rib may be formed at a periphery side of the flange part to connect the fastening parts to each other so that the fastening parts are supported by each other.
  • a washing machine in accordance with another aspect, includes a body, a water tub, a rotating tub, a driving motor and a bearing housing.
  • the water tub may be installed at an inside the body to contain water.
  • the rotating tub may be rotatably installed at an inside the water tub.
  • the driving motor may be configured to generate a rotating force to rotate the rotating tub.
  • the bearing housing may be integrally formed through an insert molding at a rear surface of the water tub and provided with the driving motor installed therein.
  • the driving motor may include a stator unit formed in a shape of a ring, a rotator unit disposed at an inner side of the stator unit to rotate while interacting with the stator unit, and a rotating shaft having one end thereof connected to the rotating tub while the other end thereof connected to a center of the rotator unit.
  • a washing machine includes a driving motor provided with a stator unit, which is formed in a shape of a ring, having a rotator unit disposed at an inner side thereof, and a bearing housing for an installation of the driving motor, and the bearing housing is integrally formed with a rear surface of a water tub through injection molding, thereby able to maintain a stable state while installed at the water tub.
  • FIG. 1 illustrates a washing machine according to an embodiment.
  • FIG. 2 illustrates a driving motor and a bearing housing applied to the washing machine according to the embodiment.
  • FIG. 3 is an exploded view illustrating a driving motor and a bearing housing applied to the washing machine according to the embodiment.
  • FIG. 4 illustrates the bearing housing applied to the washing machine according to the embodiment.
  • FIG. 5 illustrates a cross-sectional view of the bearing housing, which is applied to the washing machine, disposed to a mold that is configured to form a water tub.
  • FIG. 6 is an enlarged view of an “A” section of FIG. 5 .
  • a washing machine includes a body 10 forming an external appearance, a water tub 20 installed at an inside the body 10 in a suspended manner and configured to contain water.
  • a rotating tub 30 rotatably installed at an inside the water tub 20 , and a driving motor 40 installed at a rear surface of the water tub 20 so as to generate a rotating force to rotate the rotating tub 30 .
  • the rotating tub 30 is provided at a center of a rear surface with a rotating shaft 43 of the driving motor 40 , which will be described later.
  • the rotating tub 30 is provided at an outer circumferential surface with a through-hole 31 for the water of the water tub 20 to be introduced to an inside the rotating tub 30 .
  • the rotating tub 30 is provided at an inside with a plurality of lifters 32 disposed thereto while being spaced apart from each other in a circumferential direction thereof to lift a laundry to an upper side thereof.
  • the rotator unit 42 has the rotating shaft 43 fixed to a center area thereof, and the rotator unit 42 has a plurality of magnets 42 a disposed at an outer circumferential surface thereof to correspond to the each of the plurality of teeth parts 41 b of the stator unit 41 .
  • the rotation shaft 43 is installed while penetrating an inner side of the housing part 61 .
  • Two units of the bearings 70 are disposed at both sides of an inner circumferential surface of the housing part 61 so that the rotating shaft 43 is rotatably supported by the two bearings 70 at an inner side of the housing part 61 .
  • the first reinforcing rib 64 according to the embodiment of the present disclosure is provided in plurality while being spaced apart from each other in the circumferential direction.
  • the first reinforcing rib extends radially outwards from the housing part 61 along the flange part 62 .
  • the second reinforcing ribs 65 a and 65 b are provided in plurality while being spaced apart from each other in the radial direction of the bearing housing 60 .
  • the second reinforcing ribs 65 a and 65 b connect the first reinforcing ribs 64 to each other so that the first reinforcing ribs 64 are supported to each other in the circumferential direction.
  • the second reinforcing rib 65 b which is formed at a periphery side among the second reinforcing ribs 65 a and 65 b, connects the fastening parts 63 to each other so that the fastening parts 63 are supported to each other in the circumferential direction.
  • the bearing housing 60 described above is integrally formed with each parts thereof, that is, the housing part 61 , the flange part 62 , the first reinforcing rib 64 , the second reinforcing ribs 65 a and 65 b, and the fastening part 63 , through an injection molding and the like.
  • the bearing housing 60 integrally formed is disposed at molds M 1 and M 2 that are configured to form the water tub 20 , and is subject to an insert injection, thereby forming the water tub 20 having the bearing housing 60 at an inside the rear surface thereof.
  • the water tub 20 while in a state of the bearing housing 60 being disposed in between the two molds M 1 and M 2 , is manufactured by hardening a resin after injecting the resin into a cavity formed in between the two molds M 1 and M 2 and the bearing housing 60 .
  • the fastening part 63 provided at the bearing housing 60 in a process of molding the water tub 20 through the molds M 1 and M 2 as described above, enables the bearing housing 60 to be supported by one M 1 of the molds M 1 and M 2 , thereby preventing the bearing housing 60 from being moved in a process of resin being injected.
  • the distance between the fastening parts 63 is large, and thus the bearing housing 60 may not be stably supported by the mold M 1 .
  • the fastening parts 63 is provided at an adjacent area thereof with a supporting part 66 that has a shape of a ring as illustrated on FIG. 4 , and is positioned in the same plane as the rear surface of the water tub 20 .
  • the supporting part 66 as such, as illustrated on FIG.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Motor Or Generator Frames (AREA)
US13/616,748 2011-09-28 2012-09-14 Washing machine Abandoned US20130074553A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0097993 2011-09-28
KR1020110097993A KR20130034132A (ko) 2011-09-28 2011-09-28 세탁기

Publications (1)

Publication Number Publication Date
US20130074553A1 true US20130074553A1 (en) 2013-03-28

Family

ID=46940391

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/616,748 Abandoned US20130074553A1 (en) 2011-09-28 2012-09-14 Washing machine

Country Status (4)

Country Link
US (1) US20130074553A1 (ko)
EP (1) EP2574694A1 (ko)
KR (1) KR20130034132A (ko)
CN (1) CN103031690A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160194801A1 (en) * 2015-01-05 2016-07-07 Lg Electronics Inc. Washing machine
WO2022186571A1 (ko) * 2021-03-03 2022-09-09 엘지전자 주식회사 의류처리장치

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104832546B (zh) * 2014-02-12 2019-03-29 青岛海尔滚筒洗衣机有限公司 一种轴承支撑座及具有其的洗衣机
CN106319847B (zh) * 2014-09-29 2019-08-27 青岛海尔滚筒洗衣机有限公司 一种滚筒洗衣机
CN106283507A (zh) * 2015-05-28 2017-01-04 无锡小天鹅股份有限公司 用于洗衣机的外筒组件和具有它的洗衣机
CN106151291A (zh) * 2016-07-29 2016-11-23 无锡小天鹅股份有限公司 洗衣机的轴承座和具有其的洗衣机
CN110219138A (zh) * 2019-06-14 2019-09-10 青岛海尔滚筒洗衣机有限公司 一种洗衣机轴套
CN110331557B (zh) * 2019-06-14 2022-09-16 重庆海尔滚筒洗衣机有限公司 一种洗衣机外筒底
WO2020249084A1 (zh) * 2019-06-14 2020-12-17 青岛海尔滚筒洗衣机有限公司 一种洗衣机轴套及洗衣机外筒底

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090064728A1 (en) * 2005-02-01 2009-03-12 Lg Electronics Washing machine with double rotor type motor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19547456A1 (de) * 1995-12-19 1997-06-26 Bosch Siemens Hausgeraete Antriebsvorrichtung für eine von vorn beschickbare Waschmaschine
KR20000050447A (ko) * 1999-01-09 2000-08-05 윤종용 드럼세탁기
KR101297998B1 (ko) * 2007-11-05 2013-08-26 동부대우전자 주식회사 베어링 하우징 및 이를 구비하는 세탁기
CN101608389B (zh) * 2008-06-17 2012-09-19 海尔集团公司 滚筒洗衣机

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090064728A1 (en) * 2005-02-01 2009-03-12 Lg Electronics Washing machine with double rotor type motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160194801A1 (en) * 2015-01-05 2016-07-07 Lg Electronics Inc. Washing machine
US10053809B2 (en) * 2015-01-05 2018-08-21 Lg Electronics Inc. Washing machine
WO2022186571A1 (ko) * 2021-03-03 2022-09-09 엘지전자 주식회사 의류처리장치

Also Published As

Publication number Publication date
KR20130034132A (ko) 2013-04-05
CN103031690A (zh) 2013-04-10
EP2574694A1 (en) 2013-04-03

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SAMSUNG ELECTRONICS CO., LTD., KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHA, JEONG HO;REEL/FRAME:029049/0996

Effective date: 20120907

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION