CN1207489A - Refrigerator door and method for manufacturing the same - Google Patents

Refrigerator door and method for manufacturing the same Download PDF

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Publication number
CN1207489A
CN1207489A CN98116619A CN98116619A CN1207489A CN 1207489 A CN1207489 A CN 1207489A CN 98116619 A CN98116619 A CN 98116619A CN 98116619 A CN98116619 A CN 98116619A CN 1207489 A CN1207489 A CN 1207489A
Authority
CN
China
Prior art keywords
liner
flange
heat
barrier material
sealing gasket
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.)
Pending
Application number
CN98116619A
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Chinese (zh)
Inventor
李昌勋
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.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo 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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of CN1207489A publication Critical patent/CN1207489A/en
Pending legal-status Critical Current

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    • 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
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E05C19/161—Devices holding the wing by magnetic or electromagnetic attraction magnetic gaskets

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Refrigerator Housings (AREA)

Abstract

provide a refrigerator door where a sealing gasket for preventing the chill of the inside of a refrigerator cabinet from leaking can be easily installed and its manufacturing method. The door is manufactured as below: an inner liner where a sealing gasket is connected is assembled in an outer panel where a heat insulator is filled by heating the heat insulator, thus simplifying a manufacturing process and reducing manufacturing costs. Also, the need for another retainer is eliminated and the economic property is improved.

Description

Refrigerator doors and manufacture method thereof
The present invention relates to a kind of refrigerator, particularly a kind of refrigerator doors and prevent the manufacture method of the easy-on sealing gasket of leakage of cold air in the housing of refrigerator.
In general, have the periphery of the sealing gasket of magnet around the door of a refrigerator, the sealing pad not only seals the space between refrigerator doors and housing face, also with magnetic attraction door is maintained in its closed position.
United States Patent (USP) 4,469,383 (authorizing Gerhard K.Losert) disclose a kind of refrigerator doors and at the magnetic pad of Men Zhongshe.This refrigerator is shown in Figure 1.Fig. 1 is the cross-sectional view of the periphery of conventional refrigerator door.
Door 10 hinges are installed on the housing 20 with an inlet port 21, close the inlet port 21 of housing 20.Door 10 comprises: metal outside plate 11, the flange 11a that it has a periphery along it that inwardly turns over to extend; With a plastics inner panel 12, it has flange 11a that is stacked and placed on outside plate 11 and the flange 12a that is attached thereto, and plate 11 and 12 heat-barrier material is arranged.A sealing gasket 30 is installed in the periphery of door 10, comprising: a bottom 31, and it covers the flange 12a of inner panel 12; A housing junction surface 32, it connects bottom 31 integratedly; With a rectangular enclosure 33, hold magnet 35.A hollow 34 connects 31, one retainers in bottom 40 integratedly and covers hollow 34, and its shape can be held this hollow, is fixed to door 10 by securing member 45.That is, securing member 45 passes the flange 12a of retainer 40 and inner panel 12 and the flange 11a of outside plate 11, so retainer 40, sealing gasket 30 and door 10 are integrally joined to each other.
Yet in the structure of above-mentioned U.S. Patent No. 4,469,383, the structure of sealing gasket is complicated, and manufacturing cost increases.
And, on door, pacifying sealing gasket, must provide retainer in addition, the refrigerator cost increases.
And for pacify sealing gasket on door, sealing gasket is arranged on the flange of inner panel, and retainer covers the hollow of sealing gasket, and last, securing member is screwed into retainer, interior plate flange and outer plate flange.The assembling process complexity.
The present invention is devoted to overcome above-mentioned shortcoming.Therefore, the purpose of this invention is to provide a kind of refrigerator doors and prevent the manufacture method of the easy-on sealing gasket of leakage of cold air in the housing of refrigerator.
To achieve the object of the present invention, provide a kind of refrigerator doors, it has outside plate and liner, and heat-barrier material injects between outside plate and liner, and improvements comprise:
Outside plate has an antetheca, a sidewall that stretches out from the antetheca side and a flange that inwardly stretches out from sidewall; Liner is installed in the space of flange limit, and wherein, the outer peripheral portion of liner is separated a predetermined distance with the inner rim of flange; A sealing gasket, the contact refrigerator shell stops the leakage of cold air in the housing, and sealing gasket is installed between flange and liner; And have close-burning heat-barrier material and be bonded to outside plate, liner and sealing gasket make outside plate, liner and sealing gasket secure bond.
Sealing gasket comprises: a fixed part, and it is fixed to heat-barrier material, and is installed between the inner rim portion of liner neighboring with preset distance and flange; A connecting portion that stretches out from fixed part is couple to flange and liner; With a contact site, stop the leakage of cold air in the housing, the contact housing stretches out and has a magnet of dress within it from connecting portion.
Fixed part has a waveform, and the contact surface that strengthens between fixed part and heat-barrier material is long-pending.In contrast flange to leave antetheca farther, connecting portion has a waveform, absorbs the impact of generation when door is collided with housing, connecting portion wraps up the liner outer peripheral portion.
The present invention also provides the manufacture method of refrigerator doors, and the step that comprises is:
The outside plate of door is provided, and it comprises an antetheca, sidewall and a flange that inwardly stretches out from sidewall of stretching out from the antetheca side; The liner of door is provided, and its size is less than the space of flange limit; A sealing gasket is provided, and it comprises that has a corrugated fixed part, a corrugated connecting portion and a contact site that stretches out by fixed part, its contact refrigerator housing, stretch out from connecting portion, in adorn a magnet; One second side of connecting portion is installed on the outer peripheral portion of liner; Heat-barrier material is injected in inner space to outside plate, and wherein said material is heated and forms heat-barrier material and have caking property; Liner is placed in the space of flange limit, between the outer peripheral portion of the inner rim portion of flange and liner, contact site is set; First side of connecting portion is installed in the inner rim portion of flange; And heat described heat-barrier material, with heat-barrier material secure bond outside plate, inner panel and sealing gasket.
Outside plate and liner are by a fixture support when heat-barrier material heats.The outer peripheral portion of second side parcel liner of connecting portion.Heat-barrier material is heated to about 60-110 ℃.
Make as follows according to refrigerator doors of the present invention:
That is, place the liner that connects sealing gasket on the outside plate of spray heat-barrier material, the heating heat-barrier material.Therefore, manufacture process is simple, and cost descends.
Do not need to be used for sealing gasket is connected to the retainer of door, the refrigerator cost descends.
By description of a preferred embodiment with reference to the accompanying drawings, can make above-mentioned purpose of the present invention and advantage more clear, wherein:
Fig. 1 is the drawing in side sectional elevation of the peripheral part of conventional refrigerator door;
Fig. 2 is a preferred embodiment of the present invention refrigerator perspective view;
Fig. 3 is the phantom along V-V line among Fig. 2.
The hereinafter with reference accompanying drawing describes a preferred embodiment of refrigerator doors of the present invention and manufacture method thereof in detail.
Fig. 2 is a preferred embodiment of the present invention refrigerator perspective view, and Fig. 3 is the phantom of getting along the V-V line of Fig. 2.
See Fig. 2 and 3, refrigerator comprises a housing 110, and it has a refrigerating chamber 111 and a refrigerating chamber 112.The front of housing 110 have 115, one of inlet ports close inlet port 115 the door 120 usefulness hinges be installed on the housing 110.Door 120 comprises an outside plate 130 and liner 140, injects heat-barrier material 160 between them.The face 116 of the formation inlet port 115 of sealing gasket 150 contact housings 110, the leakage of cold air of prevention housing 110, it is positioned at the periphery 121 of door 120.
Simultaneously, according to this embodiment, outside plate 130, liner 140 and sealing gasket 150 are by the heat-barrier material secure bond.This will describe in detail.
Outside plate 130 comprises an antetheca 131, the sidewall 132 of the cardinal principle vertical front wall 131 of being stretched out by the side of antetheca 131 and the flange 133 that inwardly stretches out from sidewall 132.Heat-barrier material 160 is injected in the interior space 135 of outside plate 130, is bonded to the inner face of outside plate 130.Heat-barrier material 160, urethane, expanded by heating has viscosity.
The 133a of inner rim portion of flange 133 and the outer peripheral portion 140a of liner 140 separate a preset distance D.Sealing gasket 150 is installed in 140 of flange 133 and liners.Liner 140 is more farther from antetheca 131 than flange 133.Adhere to the heat-barrier material 160 of outside plate 130, adhere to liner 140, so outside plate 130 is in the same place with liner 140 secure bond.
As mentioned above, sealing gasket 150 is positioned on 140 of flange 133 and liners.
In detail, sealing gasket 150 comprises a standing part 151 that places preset distance D.Heat-barrier material 160 adheres to standing part 151.Sealing gasket 150 also comprises a connecting portion 153 that stretches out from standing part 151.The peripheral part 140a that first and second side 153a of connecting portion 153 and 153b are fixedly attached to liner respectively and the interior perimembranous 133a of flange 133.Sealing gasket 150 also comprises a contact site 155, and it stretches out from connecting portion 153, and the face 116 of contact housing 110 stops the leakage of cold air in the housing 110.A magnet 157 that keeps door 120 to contact to stop the housing leakage of cold air with housing 10 is contained in the contact site 155.
Fixed part 151 has a waveform, and the contact surface that strengthens 160 in fixed part 151 and heat-barrier material is long-pending, so fixed part 151 and heat-barrier material 160 are more fixing.Connecting portion 153 also has a waveform, alleviates the impact that produces when door 120 bumps on housing 110.
The outer peripheral portion 140a of the second side 153b parcel liner 140 of connecting portion 153 is so sealing gasket 150 and liner 140 further are fixed together.The first side 153a of the 133a of inner rim portion of flange 133 and connecting portion 153 can be connected to each other as above-mentioned structure.
Manufacture method according to this embodiment refrigerator doors is described as follows.
At first, on outside plate 130, form antetheca 131, form the sidewall 132 of the cardinal principle vertical front wall 131 of stretching out from the side 131a of antetheca 131, form the flange 133 that inwardly stretches out from sidewall 132.Form the liner 140 of size less than the space of flange 133 qualifications.
Then, make sealing gasket 150 form one and have corrugated fixed part 151; Formation has a corrugated connecting portion from what standing part 151 stretched out; Form a contact site 155, stretch out, have magnet 157 within it, the face 116 of its contact housing 110 from connecting portion 153.
The second side 153b of connecting portion 153 is installed in the outer peripheral portion 140a of liner 140, and heat-barrier material 160 is injected into the interior space 135 of outside plate 130.The second side 153b of connecting portion 153 wraps up the outer peripheral portion 140a of liner 140 at this moment.Then, place liner 140, and between the outer peripheral portion 140a of the 133a of inner rim portion of flange 133 and liner 140, fixed part 151 is set in the space that flange 133 limits.
At last, the first side 153a of connecting portion 153 is installed on the 133a of inner rim portion of flange 133.Then, heat-barrier material 160 is heated at about 60-110 ℃, and heat-barrier material 160 is fixed to outside plate 130, and liner 140 and sealing gasket 150 make outside plate 130, and liner 140 and sealing gasket 150 are by the viscosity secure bond of heat-barrier material.At this moment, outside plate 130 and liner 140 are supported by an anchor clamps (not shown), the distortion when preventing the heat-barrier material heating.
As mentioned above, refrigerator doors of the present invention is to make like this.That is, the liner that connects sealing gasket is arranged on the outside plate that injects heat-barrier material, and heat-barrier material is heated.Therefore make simply, cost is low.
Also do not need sealing gasket is connected to retainer on the door, the refrigerator cost is low.
Though the preferred embodiments of the present invention have been described, should be understood that to the invention is not restricted to this that in the spirit and scope of claim, those skilled in the art can carry out various modifications.

Claims (9)

1. a refrigerator doors has outside plate and liner, and injects heat-barrier material between them, it is characterized in that:
Outside plate has an antetheca, sidewall that is stretched out by the antetheca side and the flange that inwardly stretches out from sidewall;
Liner is installed in the space of flange limit, and wherein, the outer peripheral portion of liner is separated a predetermined distance with the inner rim of flange;
A sealing gasket, the contact refrigerator shell stops the leakage of cold air in the housing, and sealing gasket is installed between flange and liner; And
Have close-burning heat-barrier material and be bonded to outside plate, liner and sealing gasket make outside plate, liner and sealing gasket secure bond.
2. refrigerator doors according to claim 1 is characterized in that sealing gasket comprises: a fixed part, and it is fixed on the heat-barrier material, and is installed between the inner rim portion of liner neighboring with described preset distance and flange; A connecting portion that stretches out from fixed part is couple to flange and liner; With a contact site, the contact housing stops the leakage of cold air in the housing, and it stretches out and have a magnet that is loaded in it from connecting portion.
3. refrigerator doors according to claim 2 is characterized in that, fixed part has a waveform, strengthens the contact area between fixed part and heat-barrier material.
4. refrigerator doors according to claim 2 is characterized in that, in to contrast flange farther from antetheca, connecting portion has a waveform, to absorb the impact of generation when door is collided with housing, connecting portion wraps up the liner outer peripheral portion.
5. a refrigerator doors has outside plate and liner, injects heat-barrier material between them, it is characterized in that:
Outside plate has an antetheca, sidewall that is stretched out by the antetheca side and the flange that inwardly stretches out from sidewall;
Liner is installed in the space of flange limit, and wherein, the outer peripheral portion of liner is separated a predetermined distance with the inner rim of flange, in to contrast flange farther from antetheca;
A sealing gasket comprises: a fixed part, and it is fixed on the heat-barrier material, and is installed between the inner rim portion of liner neighboring with described preset distance and flange; A connecting portion that stretches out from fixed part is couple on flange and the liner; With a contact site, the contact housing, stop the leakage of cold air in the housing, it stretches out and has a magnet that is loaded in it from connecting portion, and wherein, fixed part has a waveform, strengthen the contact area between fixed part and heat-barrier material, connecting portion has a waveform, absorbs the impact that produces when door is collided with housing, connecting portion parcel liner outer peripheral portion; And
Have close-burning heat-barrier material and be bonded to outside plate, liner and sealing gasket make outside plate, liner and sealing gasket secure bond.
6. make the refrigerator doors method, the step that comprises is:
The outside plate of door is provided, and it comprises an antetheca, sidewall and a flange that inwardly stretches out from sidewall of stretching out from the antetheca side; The liner of door is provided, and its size is less than the space of flange limit; A sealing gasket is provided, and it comprises that has a corrugated fixed part, a corrugated connecting portion and a contact site that stretches out by fixed part, the housing of contact refrigerator stops the leakage of cold air of housing, it stretches out from connecting portion, in adorn a magnet;
One second side of connecting portion is installed on the outer peripheral portion of liner;
Inject a kind of material to the inner space of outside plate, wherein said material is heated and forms heat-barrier material and have caking property;
Liner is placed in the space of flange limit, between the outer peripheral portion of the inner rim portion of flange and liner, contact site is set;
First side of connecting portion is installed in the inner rim portion of flange; And
Heat described material, with heat-barrier material secure bond outside plate, liner and sealing gasket.
7. method according to claim 6 is characterized in that, outside plate and liner are by a fixture support when heat-barrier material heats.
8. method according to claim 6 is characterized in that, the outer peripheral portion of second side parcel liner of connecting portion.
9. method according to claim 6 is characterized in that, heat-barrier material is heated to about 60-110 ℃.
CN98116619A 1997-07-31 1998-07-27 Refrigerator door and method for manufacturing the same Pending CN1207489A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019970036759A KR19990013159A (en) 1997-07-31 1997-07-31 Sealing device of the refrigerator door
KR36759/97 1997-07-31

Publications (1)

Publication Number Publication Date
CN1207489A true CN1207489A (en) 1999-02-10

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ID=19516615

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Application Number Title Priority Date Filing Date
CN98116619A Pending CN1207489A (en) 1997-07-31 1998-07-27 Refrigerator door and method for manufacturing the same

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JP (1) JPH11108544A (en)
KR (1) KR19990013159A (en)
CN (1) CN1207489A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100348852C (en) * 2003-07-08 2007-11-14 日产自动车株式会社 Combustion control apparatus for internal combustion engine
CN100406828C (en) * 2001-06-27 2008-07-30 株式会社东芝 Door structure of refrigerator
CN102564021A (en) * 2012-02-01 2012-07-11 济南宇翔制冷设备有限公司 Refrigerator door and processing method thereof
CN103047818A (en) * 2012-12-10 2013-04-17 合肥美的荣事达电冰箱有限公司 Refrigerator, door thereof and manufacturing method of door
CN106796076A (en) * 2014-10-07 2017-05-31 三星电子株式会社 Refrigerator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210007067A (en) * 2019-07-09 2021-01-20 엘지전자 주식회사 Vacuum adiabatic body, refrigerator, and fabricating method for the refrigerator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100406828C (en) * 2001-06-27 2008-07-30 株式会社东芝 Door structure of refrigerator
CN100348852C (en) * 2003-07-08 2007-11-14 日产自动车株式会社 Combustion control apparatus for internal combustion engine
CN102564021A (en) * 2012-02-01 2012-07-11 济南宇翔制冷设备有限公司 Refrigerator door and processing method thereof
CN102564021B (en) * 2012-02-01 2013-10-30 济南宇翔制冷设备有限公司 Refrigerator door and processing method thereof
CN103047818A (en) * 2012-12-10 2013-04-17 合肥美的荣事达电冰箱有限公司 Refrigerator, door thereof and manufacturing method of door
CN106796076A (en) * 2014-10-07 2017-05-31 三星电子株式会社 Refrigerator
CN106796076B (en) * 2014-10-07 2020-01-07 三星电子株式会社 Refrigerator with a door
US10852054B2 (en) 2014-10-07 2020-12-01 Samsung Electonics Co., Ltd. Refrigerator

Also Published As

Publication number Publication date
KR19990013159A (en) 1999-02-25
JPH11108544A (en) 1999-04-23

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C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication