EP1584878A2 - Structure d'étanchéité pour réfrigérateur - Google Patents

Structure d'étanchéité pour réfrigérateur Download PDF

Info

Publication number
EP1584878A2
EP1584878A2 EP04292826A EP04292826A EP1584878A2 EP 1584878 A2 EP1584878 A2 EP 1584878A2 EP 04292826 A EP04292826 A EP 04292826A EP 04292826 A EP04292826 A EP 04292826A EP 1584878 A2 EP1584878 A2 EP 1584878A2
Authority
EP
European Patent Office
Prior art keywords
blocking member
door
cabinet
refrigerator
door liner
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.)
Withdrawn
Application number
EP04292826A
Other languages
German (de)
English (en)
Other versions
EP1584878A3 (fr
Inventor
Yang-Gyu Kim
Youn-Seok Lee
Se-Young Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Priority claimed from KR1020040023497A external-priority patent/KR100575673B1/ko
Priority claimed from KR1020040023501A external-priority patent/KR100724373B1/ko
Priority claimed from KR1020040023499A external-priority patent/KR100595553B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1584878A2 publication Critical patent/EP1584878A2/fr
Publication of EP1584878A3 publication Critical patent/EP1584878A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/087—Sealing strips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a refrigerator, and particularly, to a sealing structure for a refrigerator capable of effectively preventing external heat from being introduced into a storage compartment by being provided between a refrigerator cabinet and a door.
  • a refrigerator is a device for chilling or freezing items stored in a storage compartment by circulating cool air, generated by a refrigerating cycle, inside the storage compartment.
  • the refrigerator includes a cabinet having a storage compartment; and a door installed at the cabinet, for opening and closing the storage compartment, and a gasket installed between the cabinet and the door, for preventing introduction of external heat into the storage compartment.
  • the conventional refrigerator includes a cabinet (C) forming a storage compartment (F) therein, comprised of an outer panel 5 of a metallic material, an inner panel 6 and a foamed insulation 3 filled between the outer panel 5 and the inner panel 6; and a door (D) connected to the cabinet (C), for opening and closing the storage compartment (F).
  • the door (D) includes an outer panel 1 of a metallic material; a door liner 2 made of a synthetic resin such as an ABS resin and coupled to the outer panel 1; a foamed insulation 3 interposed between the outer panel 1 and the door liner 2; and a gasket 4 made of a synthetic resin, for sealing a gap between the door (D) and the cabinet (C).
  • the gasket 4 includes a fixing portion 4a formed as an anchor shape and fixed by being pressingly inserted into a fixing groove 2a recessed in the door (D); a connection portion 4b integrally formed from the fixing portion 4a and having therein a plurality of air pockets 4d formed by dividing an inner space thereof with a plurality of partitions; and an attached portion 4c formed as a single body with the connection portion 4b and separably attached to the outer panel 5 of the cabinet (C) by a magnet 4e mounted therein.
  • a space having a predetermined width is formed between the inner panel 6 of the cabinet (C) and the door liner 2, and this space is commonly called an air dam (S).
  • Such an air dam (S) functions as a kind of damper for preventing heat having passed through the gasket 4 from being introduced into the storage compartment (F).
  • the refrigerator constructed in such a manner, when the door (D) is closed, the attached portion 4c of the gasket 4 is attached to the outer panel 5 of the cabinet (C) by a magnetism of the magnet 4e, so that the storage compartment (F) is sealed from the exterior. At this time, the storage compartment (F) is insulated by the air pocket 4d of the gasket 4 and the air dam (S).
  • connection portion 4b of the gasket elastically stretches by being pulled, thereby separating the attached portion 4c from the outer panel 5 of the cabinet (C). Accordingly, the storage compartment (F) is opened.
  • an object of the present invention is to provide a sealing structure for a refrigerator capable of preventing introduction of heat into a storage compartment by preventing convection in an air dam formed between a cabinet and a door liner of a refrigerator.
  • a refrigerator comprising a convection preventing device provided inside an air dam having a predetermined width between a refrigerator cabinet and a door liner of a door, for preventing convection in the air dam.
  • a refrigerator in accordance with the present invention comprises a cabinet (C) including an outer panel 5 of a metallic material, an inner panel 6 and a foamed insulation 3 filled between the outer panel 5 and the inner panel 6; and a door (D) connected to the cabinet (C), for opening and closing a storage compartment (F).
  • the door (D) includes an outer panel 1 of a metallic material; a door liner 2 made of a synthetic resin such as an ABS resin and coupled to the outer panel 1; a foamed insulation 3 interposed between the outer panel 1 and the door liner 2; and a gasket 4 made of a synthetic resin material, for sealing a gap between the cabinet (C) and the door (D).
  • the gasket 4 includes a fixing portion 4a formed as an anchor shape and fixed by being pressingly inserted in a fixing groove 2a recessed in the door (D); a connection portion 4b foldably extended from the fixing portion 4a and having therein a plurality of air pockets 4d formed by dividing an inner space thereof with a plurality of partitions 4f; and an attached portion 4c formed as a single body with the connection portion 4b and separably attached to the outer panel 5 of the cabinet (C) by having a magnet 4e therein.
  • An air dam (S) with a predetermined width is formed between the inner panel 6 of the cabinet (C) and the door liner 2.
  • the sealing structure for the refrigerator in accordance with the first embodiment of the present invention includes a convection preventing device 10 installed inside the air dam (S), for preventing convection in the air dam (S).
  • the convection preventing device 10 includes a supporting portion 11 formed as a plate shape which is substantially parallel with a surface of the door liner 2, and closely attached to the surface of the door liner 2; a fixing portion 12 protruding from the supporting portion 11 and fixed by being pressingly inserted in a fixing groove 2b recessed in the door liner 2; and a plurality of blocking members 13 extended from the supporting portion 11 toward the inner panel 6 of the cabinet (C), for blocking between the door liner 2 and the inner panel 6 of the cabinet (C).
  • the blocking member 13 is formed in a plate shape and curved at a predetermined curvature.
  • the blocking member 13 is made of a flexible material such as a rubber and is extended in a longitudinal direction of the door (D).
  • a thickness of the blocking member 13 becomes thinner toward an end in a width direction thereof so that the blocking member 13 can be easily curved when being pushed by the inner panel 6 of the cabinet (C) in case that the door (D) is closed.
  • a plurality of blocking members 13 are formed to be curved in the same direction, and the curved angle of the blocking member 13 is approximately perpendicular to a flowing direction of the cool air.
  • the blocking member 13 is curved in a direction opposite to a direction that the door (D) moves when the door (D) is closed, so that the air resistance and the friction resistance can be reduced when the door (D) closes the storage compartment (F).
  • a width of the blocking member 13 is substantially similar to or larger than that of the air dam (S). Accordingly, when the door completely closes the storage compartment (F), an end of the blocking member 13 is in contact with the inner panel 6 of the cabinet (C), and an air pocket (P) is formed by the blocking members 13 and the door liner 2 as the blocking member 13 is curved by the inner panel 6 of the cabinet (C).
  • Installation intervals between the blocking members 13 are preferably about from 5mm to 10mm in case that the width of the air dam (S) is about 10mm or less.
  • Optimum intervals between the blocking members 13 for minimizing convection are about 8mm. Namely, it is preferable that the width of the air pocket (P) is about 10mm or less.
  • a plurality of grooves 13a are preferably formed on the blocking member 13 at predetermined intervals in a longitudinal direction of the blocking member 13, namely, in a direction that the blocking member 13 is elongated in a longitudinal direction of the door (D), so that the air resistance and the friction resistance can be reduced, and thus the door (D) can be smoothly opened or closed.
  • the attached portion 4c of the gasket 4 is attached to the outer panel 5 of the cabinet (C) by a magnetism of the magnet 4e, and accordingly, the storage compartment (F) is blocked from the exterior. And, introduction of the external heat into the storage compartment (F) is prevented by the air pocket 4d of the gasket 4.
  • the blocking member 13 of the convection preventing device 10 is curved toward the end in a width direction thereof, the door (D) can be easily closed. In case of forming the groove 13a on the blocking member 13, the door (D) can be more easily closed.
  • the blocking member 13 can be fixed to the inner panel 6 of the cabinet (C) without being limited to be fixed to the door liner 2.
  • the sealing structure for the refrigerator in accordance with the second embodiment of the present invention includes a convection preventing device 20 installed inside the air dam (S) formed between a door liner 2 of the door (D) and the inner panel 6 of the cabinet (C), for preventing the cool air from flowing in the air dam (S).
  • the convection preventing device 20 includes a supporting portion 21 formed as a plate shape substantially parallel to a surface of the door liner 2, and closely attached to the surface of the door liner 2; a fixing portion 22 protruding from the supporting portion 21 and pressingly inserted in a fixing groove 2c recessed in the door liner 2; and at least one blocking member 23 extended from the supporting portion 21 toward the inner panel 6 of the cabinet (C), for blocking between the door liner 2 and the inner panel 6 of the cabinet (C).
  • the blocking member 23 is formed in a plate shape and is elongated in a longitudinal direction of the door (D).
  • the blocking member 23 is made of a flexible material such as a rubber and is extended in a 'S' shape by being curved plural times along a longitudinal direction of the door (D), thereby having a concave portion 24 and a convex portion 25 sequentially formed in a longitudinal direction of the blocking member 23.
  • the concave portion 24 and the convex portion 25 are formed at regular and constant intervals and have the same curvature to each other in order to effectively block introduction of external heat. Meanwhile, a plurality of blocking members 23 may be installed.
  • a width of the blocking member 23 is substantially similar to or larger than that of the air dam (S). Therefore, when the door (D) completely closes the storage compartment (F), an end of the blocking member 23 is in contact with the inner panel 6 of the cabinet (C).
  • a plurality of grooves 23a are preferably formed on the blocking member 23 at predetermined intervals in a longitudinal direction of the blocking member 23, that is, in a direction that the blocking member 23 is elongated in a longitudinal direction of the door (D), so that the air resistance and the friction resistance can be reduced, and the door (D) can be smoothly opened or closed.
  • the groove 23a is preferably formed in a wedge shape.
  • the blocking member 23 of the convection preventing device 20 is curved in a rough 'S' shape along a longitudinal direction thereof, the external heat is prevented from flowing into the refrigerator in the x-direction of Fig. 8 as well as in the y-direction of Fig. 8. Accordingly, the heat introduced into the refrigerator can be more effectively blocked.
  • the blocking member 23 can be fixed to the inner panel 6 of the cabinet (C) without being limited to be fixed to the door liner 2.
  • the sealing structure for the refrigerator in accordance with the second embodiment of the present invention includes a convection preventing device 30 installed inside the air dam (S) formed between the door liner 2 of the door (D) and the inner panel 6 of the cabinet (C), for preventing the cool air from flowing in the air dam (S).
  • the convection preventing device 30 includes a fixing portion 32 pressingly inserted in a fixing groove 2d recessed in the door liner 2; and a blocking member 33 extended from the fixing portion 32 toward the inner panel 6 of the cabinet (C), for blocking between the door liner 2 and the inner panel 6 of the cabinet (C).
  • the blocking member 33 is formed in a plate shape and curved at a predetermined curvature.
  • the blocking member 33 is made of a flexible material such as a rubber and is extended in a longitudinal direction of the door (D).
  • a thickness of the blocking member 33 becomes thinner toward an end in a width direction thereof so that the blocking member 33 is easily curved when being pushed by the inner panel 6 of the cabinet (C) in case that the door (D) is closed.
  • the curved angle of the blocking member 33 is approximately perpendicular to a flowing direction of the cool air.
  • the blocking member 33 is curved in a direction opposite to a direction that the door (D) moves when the door (D) closes the storage compartment (F), so that the air resistance and the friction resistance can be reduced.
  • a width (L) of the blocking member 33 is substantially similar to or larger than that of the air dam (S). Accordingly, when the door (D) closes the storage compartment (F), the end of the blocking member 33 is curved by the inner panel 6 of the cabinet (C) and is in contact with the door liner 2, thereby forming an air pocket (P) together with the door liner 2.
  • a width (L) of the blocking member 33 is preferably within about 8 ⁇ 12mm in a state that the door (D) is opened.
  • a plurality of grooves 33a are preferably formed on the blocking member 33 at predetermined intervals in a longitudinal direction of the blocking member 33, namely, in a direction that the blocking member 33 is elongated in a longitudinal direction of the door (D), so that the air resistance and the friction resistance can be reduced, and thus the door (D) can be smoothly opened or closed.
  • the blocking member 33 of the convection preventing device 30 blocks the air dam (S) to thereby prevent convection in the air dam (S). Also, in case that the door (D) is closed, an end of the blocking member 33 is curved by the inner panel 6 of the cabinet (C), thereby forming an air pocket (P) between the blocking member 33 and the door liner 22. Accordingly, the sealing structure for the refrigerator can more effectively prevent the introduction of the external heat into the refrigerator.
  • the blocking member 33 can be fixed to the inner panel 6 of the cabinet (C) without being limited to be fixed to the door liner 2.
  • a sealing structure for a refrigerator in accordance with the present invention can advantageously and effectively prevent the heat from being introduced into a storage compartment (F) through an air dam (S) formed between a door liner 2 of a door (D) and an inner panel 6 of a cabinet (C), by providing a convection preventing device 10, 20, 30 for preventing convection due to the flow of the cool air in the air dam (S).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
EP04292826A 2004-04-06 2004-11-30 Structure d'étanchéité pour réfrigérateur Withdrawn EP1584878A3 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR1020040023497A KR100575673B1 (ko) 2004-04-06 2004-04-06 냉장고의 실링 구조
KR1020040023501A KR100724373B1 (ko) 2004-04-06 2004-04-06 냉장고의 실링 구조
KR2004023497 2004-04-06
KR1020040023499A KR100595553B1 (ko) 2004-04-06 2004-04-06 냉장고의 실링 구조
KR2004023499 2004-04-06
KR2004023501 2004-04-06

Publications (2)

Publication Number Publication Date
EP1584878A2 true EP1584878A2 (fr) 2005-10-12
EP1584878A3 EP1584878A3 (fr) 2007-07-25

Family

ID=34916115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04292826A Withdrawn EP1584878A3 (fr) 2004-04-06 2004-11-30 Structure d'étanchéité pour réfrigérateur

Country Status (4)

Country Link
US (1) US20050242529A1 (fr)
EP (1) EP1584878A3 (fr)
JP (1) JP2005300131A (fr)
CN (1) CN1680764A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2719979A1 (fr) * 2012-10-12 2014-04-16 Dongbu Daewoo Electronics Corporation Réfrigérateur pour empêcher l'humidification sur un joint de porte

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005059145A1 (de) * 2005-12-10 2007-06-28 Rehau Ag + Co Gefrierschranktürbaugruppe sowie Gefrierschrank mit einer derartigen Gefrierschranktürbaugruppe
CN101131285B (zh) * 2006-08-22 2010-12-08 泰州乐金电子冷机有限公司 冰箱用箱门的密封部件
KR101052785B1 (ko) 2007-02-26 2011-07-29 삼성전자주식회사 냉장고
KR101176961B1 (ko) 2007-02-26 2012-08-30 삼성전자주식회사 냉장고
WO2009041149A1 (fr) * 2007-09-27 2009-04-02 Caterpillar Japan Ltd. Panneau de porte
AU2013232923B2 (en) * 2012-03-16 2016-01-28 Samsung Electronics Co., Ltd. Refrigerator
CN102878762A (zh) * 2012-10-26 2013-01-16 合肥美的荣事达电冰箱有限公司 冰箱
CN102878759B (zh) * 2012-10-26 2015-05-13 合肥美的电冰箱有限公司 冰箱
CN102878761A (zh) * 2012-10-26 2013-01-16 合肥美的荣事达电冰箱有限公司 冰箱的门封条及具有其的冰箱
CN103940177B (zh) * 2013-01-17 2017-06-06 海尔集团公司 门封条及具有门封条的制冷设备
WO2014194531A1 (fr) * 2013-06-08 2014-12-11 合肥华凌股份有限公司 Dispositif de réfrigération
JP6312470B2 (ja) * 2014-03-14 2018-04-18 三菱電機株式会社 冷蔵庫
CN105300013A (zh) * 2014-06-25 2016-02-03 海尔集团技术研发中心 多重门封式箱体及制冷设备
KR102254221B1 (ko) * 2014-10-07 2021-05-20 삼성전자주식회사 냉장고
CN104279825A (zh) * 2014-10-31 2015-01-14 合肥美的电冰箱有限公司 门体及冰箱
EP3233668B1 (fr) * 2014-12-19 2020-04-01 Dow Global Technologies LLC Récipients sous vide
US9841225B2 (en) * 2015-03-20 2017-12-12 Whirlpool Corporation Low wattage flipper mullion
KR102296461B1 (ko) * 2017-03-10 2021-09-02 삼성전자주식회사 냉장고
US10408528B2 (en) * 2017-03-16 2019-09-10 Sub-Zero, Inc. Single door covering a freezer compartment and a refrigerator compartment
JP6905856B2 (ja) * 2017-05-10 2021-07-21 パナソニック株式会社 冷蔵庫
JP6886512B2 (ja) * 2017-05-17 2021-06-16 シャープ株式会社 冷蔵庫
KR102071046B1 (ko) * 2018-02-05 2020-01-28 주식회사 이노디자인 드립핑 용기 및 휴대용 커피 음용 용기
CN108955049B (zh) * 2018-07-10 2020-07-28 安徽省星年华电器有限公司 一种全封闭式家用冰箱门封条
US11832740B2 (en) 2021-05-21 2023-12-05 Anthony, Inc. Thermal frame with insulating backing member
US11684180B2 (en) 2021-05-21 2023-06-27 Anthony, Inc. Mullion bracket

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DE8701005U1 (de) * 1987-01-22 1987-05-27 Brügmann Frisoplast GmbH, 2990 Papenburg Fenster oder Tür mit Dichtung
EP0500058A2 (fr) * 1991-02-22 1992-08-26 Karosseriefabrik VOLL GmbH Dispositif d'étanchéité entre deux battants de porte pivotants pour des dispositifs frigorifiques, en particulier pour des véhicules frigorifiques
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EP0583984B1 (fr) * 1992-08-20 1998-11-04 General Electric Company Armoire frigorifique avec dispositif d'étanchéité
WO2001046633A1 (fr) * 1999-12-21 2001-06-28 Multibrás S.A. Eletrodomésticos Ensemble joint d'etancheite de la porte d'une armoire de refrigeration

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Publication number Priority date Publication date Assignee Title
BE493749A (fr) *
DE8701005U1 (de) * 1987-01-22 1987-05-27 Brügmann Frisoplast GmbH, 2990 Papenburg Fenster oder Tür mit Dichtung
EP0500058A2 (fr) * 1991-02-22 1992-08-26 Karosseriefabrik VOLL GmbH Dispositif d'étanchéité entre deux battants de porte pivotants pour des dispositifs frigorifiques, en particulier pour des véhicules frigorifiques
US5269099A (en) * 1992-08-20 1993-12-14 General Electric Company Refrigerator cabinet with combination sealing arrangement including breaker panels
EP0583984B1 (fr) * 1992-08-20 1998-11-04 General Electric Company Armoire frigorifique avec dispositif d'étanchéité
US5551192A (en) * 1993-07-21 1996-09-03 Maytag Corporation Refrigerator door seal assembly
JPH09210541A (ja) * 1996-01-31 1997-08-12 Sanyo Electric Co Ltd 冷蔵庫
JPH10259983A (ja) * 1997-03-19 1998-09-29 Hitachi Ltd 冷蔵庫
WO2001046633A1 (fr) * 1999-12-21 2001-06-28 Multibrás S.A. Eletrodomésticos Ensemble joint d'etancheite de la porte d'une armoire de refrigeration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2719979A1 (fr) * 2012-10-12 2014-04-16 Dongbu Daewoo Electronics Corporation Réfrigérateur pour empêcher l'humidification sur un joint de porte

Also Published As

Publication number Publication date
JP2005300131A (ja) 2005-10-27
US20050242529A1 (en) 2005-11-03
EP1584878A3 (fr) 2007-07-25
CN1680764A (zh) 2005-10-12

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