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EP1690051B1 - Refrigerator housing - Google Patents

Refrigerator housing Download PDF

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Publication number
EP1690051B1
EP1690051B1 EP04819249.6A EP04819249A EP1690051B1 EP 1690051 B1 EP1690051 B1 EP 1690051B1 EP 04819249 A EP04819249 A EP 04819249A EP 1690051 B1 EP1690051 B1 EP 1690051B1
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EP
European Patent Office
Prior art keywords
wall
housing according
insulating body
insulating
interior
Prior art date
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Active
Application number
EP04819249.6A
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German (de)
French (fr)
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EP1690051A1 (en
Inventor
Adolf Feinauer
Michael Neumann
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.)
BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP1690051A1 publication Critical patent/EP1690051A1/en
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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
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/066—Liners
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/40—Refrigerating devices characterised by electrical wiring

Definitions

  • the present invention relates to a housing for a refrigeration device.
  • Such housings are generally constructed of a body and a hinged to the body door, which together define an interior space for the storage of refrigerated goods.
  • the door and body each have an outer and an inner wall, which are interconnected at their edges and enclose a filled with a heat-insulating foam material gap.
  • the inner wall which is generally deep-drawn of plastic material, can be given a complex shape which allows internal fixtures such as shelves, door racks or the like to be attached thereto. It is also possible to create apertures in the inner wall to attach internals thereto.
  • a refrigeration device housing vacuum insulation technology by evacuating the gap between an inner and outer wall z. B. made of stainless steel or appropriately diffusion-proof plastic heat-insulating form.
  • a vacuum insulation is significantly more effective than a foam-air insulation, so that a vacuum-insulated refrigerator with the same external dimensions and the same power consumption as a foam-air-insulated device can have a larger interior than the latter.
  • the walls In order to maintain the vacuum throughout the life of the device, the walls must be diffusion tight, requiring the use of metallic materials for the walls.
  • To structure such an inner wall in the manner known from foam-air-insulated devices with plastic inner wall ago manner to hang internals is extremely complex. Breakthroughs on the wall surfaces of the interior lining would destroy the vacuum tightness. Therefore, the attachment of internal fittings required fasteners must be attached by spot welding, in which case the process parameters must be exactly right in order not to affect the tightness of the walls. See for example DE 199 31 170 A1 ,
  • the object of the present invention is to provide a vacuum-insulated refrigeration appliance housing which has the same flexibility with regard to the fitting of interior fittings as a conventional foam-insulated housing.
  • a housing having the features of claim 1. Since here the inner wall delimiting the inner space is not formed by a wall of the vacuum-insulated insulation body, but by a vorgeblende this wall, can at this the known, proven techniques for mounting the interior fixtures be used without jeopardizing the tightness of the insulating body. The only possibility the plastic inner lining by a non-cutting Being able to produce a molding process has the advantage of being able to mitanformen support strips or the like.
  • the combination of a housing produced from vacuum insulation technology and / or a door with a non-cutting inner lining refrigerators can be produced, which have a significantly improved thermal insulation capacity at the same time retained advantages of the low-cost attachment of internal installations with external dimensions according to the conventionally constructed devices.
  • the insulating body is separated from this inner wall at least locally by a gap.
  • the intermediate space between the inner wall and the insulating body is preferably foamed so that it contributes to the insulating effect of the housing.
  • the inner wall is readily provided with an opening, which can in particular serve to guide a cable through it or to anchor a holder for internal installations therein. So z. B. the leadership of the cable up to the place of the breakthrough in a simple manner between the vacuum-insulated housing and / or such a door and to the interior upstream upstream inner lining done.
  • the body of the refrigerator is preferably constructed of a plurality of plate-shaped insulating bodies and a one-piece, all insulating body of the body separating from the interior interior wall. Likewise, it is possible to form the body of the refrigerator in one piece from an inner and a vacuum-tightly connected outer lining with intervening, serving to support this panel, evacuated heat insulation material.
  • FIG. 1 shown in a vertical section refrigerator housing is constructed in the present case of a plurality of plate-shaped vacuum insulation elements, each forming a ceiling 3, a rear wall 4, a bottom 5 and two unspecified side walls of a body 1.
  • Another plate-shaped Vacuum insulation element 6 is designed as a door 2.
  • the plate-shaped vacuum insulation body 3, 4, 5, 6 of the ceiling, the back, the floor and the door are shown in section in the figure.
  • the vacuum insulation body 3, 4, 5, 6 have a z. B produced by non-cutting shaping metallic outer wall and spaced inner wall and are provided in the interior with a support material, such as an open-cell foam, which allows evacuation of the insulating body and prevents its collapse under the external atmospheric pressure.
  • insulating foam gap 9 Between a one-piece deep-drawn plastic inner wall 7, which limits the interior 8 of the refrigerator, and the inner walls of the vacuum insulation body 3, 4, 5 is filled with insulating foam gap 9. In contrast to the support material, this may be a closed-cell foam, the pores of which contain a propellant used to expand the foam in the space.
  • the inner wall 7 is provided with a plurality of horizontal grooves 10 which are provided to receive lateral edges of shelves (not shown) and to support them. As a result of the adhesive foam acting in the interspace 9, the inner wall 7 is given the required rigidity and bearing capacity and, at the same time, the inner wall 7 is connected to the insulation bodies 3, 4 and 5.
  • Fig. 2 shows a partial section through a side wall of the body 1 at the level of such a groove 10. It can be seen that the bottom of the groove 10 in the present embodiment directly touches a vacuum insulation body 11 of this side wall. By supporting the inner wall 7 during the foaming process support core is prevented that the inner wall 7 is removed during foaming of the gap 9 of the insulating body 11 and thus reduces the volume of the inner space 8 undesirable. It is equally possible that the groove is backfoamed.
  • a cable 13 which may serve for example for the power supply for interior lighting, for connecting a temperature sensor or the like.
  • the door 2 has a similar construction as the body 1. Its outside is completely formed by the vacuum insulation body 6; to the edges 14 of the inside of a thermoformed plastic inner wall 15 is arranged, which is spaced in its central region of the insulating body 6 and a piece far into the open front of the inner wall 7 protrudes.
  • the intermediate space 16 formed between the vacuum insulation body 6 and the inner wall 15 is also foamed. Due to the adhesive effect of the foam, the inner wall 15 is dimensionally stable and connected to the insulating body 6.
  • the inner wall 15 has a large area facing the inner space 8 recess 17; to the recess 17 laterally surrounding flanks of the inner wall 15 shaped projections 18 serve in a known manner for supporting suspended from them door housings.
  • Fig. 3 shows a section similar to that of Fig. 2 through a side wall of a refrigerator according to a second embodiment of the invention.
  • a spacer 19 is first attached to the inside of the vacuum insulation body 11 prior to insertion of the inner wall 7, z. B. glued. The bond does not need to be permanent, since it is no longer needed in the finished refrigeration device.
  • the spacer 19 is waisted between a flange 20 in contact with the insulating body 11 and a flange 21 contacting the inner wall 7 in order to minimize the heat transfer through the spacer 19.
  • the flange 21 faces a hole 12 cut in the inner wall 7 and extends beyond the edges of the hole 12.
  • the flange 20 is located on the other side of the inner wall 7, a flange 22 of a support member 23 opposite.
  • a central pin 24 of the support member 23 is fixed in a central bore of the spacer 19, for. B. screwed or locked so that the flanges 21, 22 keep the inner wall 7 sandwiched between them. In this way, the hole 12 is sealed, and when the gap 9 between the vacuum insulation body 11 and the inner wall 7 is filled with foam, a passage of foam through the hole 12 in the interior 8 is excluded.
  • the support member 23 is loadable and may e.g. used to place a shelf on it to attach a telescopic rail for a pull-out shelf or drawer, or the like.
  • the design of the interior 8 can be completely adapted to the conventional, only foam-insulated refrigeration appliances, so that no difference between the inventive and a conventional refrigeration appliance can be seen for a user with the naked eye.

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  • 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)

Description

Die vorliegende Erfindung betrifft ein Gehäuse für ein Kältegerät. Derartige Gehäuse sind im Allgemeinen aufgebaut aus einem Korpus und einem an den Korpus gelenkig angeschlagenen Tür, die gemeinsam einen Innenraum für die Lagerung von Kühlgut begrenzen. Bei den meisten Kältegeräten haben Tür und Korpus jeweils eine Außen- und eine Innenwand, die an ihren Rändern miteinander verbunden sind und einen mit einem wärmeisolierenden Schaummaterial verfüllten Zwischenraum umschließen. Der im Allgemeinen aus Kunststoffmaterial tiefgezogenen Innenwand kann eine komplexe Gestalt verliehen werden, die es ermöglicht, Inneneinbauten wie etwa Fachböden, Türabsteller oder dergleichen daran zu befestigen. Es ist auch möglich, Durchbrüche in der Innenwand zu schaffen, um Einbauten daran zu befestigen.The present invention relates to a housing for a refrigeration device. Such housings are generally constructed of a body and a hinged to the body door, which together define an interior space for the storage of refrigerated goods. In most refrigerators, the door and body each have an outer and an inner wall, which are interconnected at their edges and enclose a filled with a heat-insulating foam material gap. The inner wall, which is generally deep-drawn of plastic material, can be given a complex shape which allows internal fixtures such as shelves, door racks or the like to be attached thereto. It is also possible to create apertures in the inner wall to attach internals thereto.

Es ist auch bekannt, ein Kältegerätegehäuse aus Vakuumisolationstechnik durch Evakuieren des Zwischenraums zwischen einer Innen- und Außenwand z. B. aus Edelstahl oder entsprechend diffusionsdicht ausgestatteten Kunststoff wärmeisolierend auszubilden. Eine solche Vakuumisolation ist deutlich effektiver als eine Schaumstoff-Luft-Isolation, so dass ein vakuumisoliertes Kältegerät bei gleichen Außenmaßen und gleicher Leistungsaufnahme wie ein schaumstoff-luft-isoliertes Gerät einen größeren Innenraum als letzteres haben kann. Um das Vakuum über die Lebensdauer des Gerätes hinweg aufrecht zu erhalten, müssen die Wände diffusionsdicht sein, was die Verwendung von metallischen Werkstoffen für die Wände erforderlich macht. Eine solche Innenwand in der von schaumstoff-luft-isolierten Geräten mit Kunststoffinnenwand her vertrauten Weise zu strukturieren, um Einbauten aufhängen zu können, ist extrem aufwändig. Durchbrüche an den Wandflächen der Innenverkleidung würden die Vakuumdichtheit zerstören. Zur Anbringung von Inneneinbauten benötigte Befestigungselemente müssen daher durch Punktschweißen angebracht werden, wobei auch hierbei die Prozessparameter exakt stimmen müssen, um die Dichtigkeit der Wände nicht zu beeinträchtigen. Siehe zum Beispiel DE 199 31 170 A1 .It is also known, a refrigeration device housing vacuum insulation technology by evacuating the gap between an inner and outer wall z. B. made of stainless steel or appropriately diffusion-proof plastic heat-insulating form. Such a vacuum insulation is significantly more effective than a foam-air insulation, so that a vacuum-insulated refrigerator with the same external dimensions and the same power consumption as a foam-air-insulated device can have a larger interior than the latter. In order to maintain the vacuum throughout the life of the device, the walls must be diffusion tight, requiring the use of metallic materials for the walls. To structure such an inner wall in the manner known from foam-air-insulated devices with plastic inner wall ago manner to hang internals is extremely complex. Breakthroughs on the wall surfaces of the interior lining would destroy the vacuum tightness. Therefore, the attachment of internal fittings required fasteners must be attached by spot welding, in which case the process parameters must be exactly right in order not to affect the tightness of the walls. See for example DE 199 31 170 A1 ,

Aufgabe der vorliegenden Erfindung ist, ein vakuumisoliertes Kältegerätegehäuse zu schaffen, das hinsichtlich der Anbringung von Inneneinbauten die gleiche Flexibilität aufweist, wie ein herkömmliches schaumisoliertes Gehäuse.The object of the present invention is to provide a vacuum-insulated refrigeration appliance housing which has the same flexibility with regard to the fitting of interior fittings as a conventional foam-insulated housing.

Die Aufgabe wird gelöst durch ein Gehäuse mit den Merkmalen des Anspruchs 1. Da hier die den Innenraum begrenzende Innenwand nicht durch eine Wand des vakuumisolierten Isolationskörpers gebildet ist, sondern durch eine diesem vorgeblendete Wand, können an dieser die bekannten, erprobten Techniken zur Anbringung der Inneneinbauten eingesetzt werden, ohne dadurch die Dichtigkeit des Isolationskörpers zu gefährden. Allein die Möglichkeit die Kunststoffinnenverkleidung durch ein spanloses Formgebungsverfahren herstellen zu können bringt den Vorzug mit sich, Tragleisten oder dgl. mitanformen zu können. Durch die Kombination eines aus Vakuumisolationstechnik erzeugten Gehäuses und/oder einer Tür mit einer spanlos geformten Innenverkleidung sind Kältegeräte erzeugbar, die bei Außenabmessungen entsprechend den herkömmlich aufgebauten Geräten ein deutlich verbessertes Wärmeisolationsvermögen bei gleichzeitig beibehaltenen Vorteilen der aufwendungsgünstigen Anbringung von Inneneinbauten besitzen.The object is achieved by a housing having the features of claim 1. Since here the inner wall delimiting the inner space is not formed by a wall of the vacuum-insulated insulation body, but by a vorgeblende this wall, can at this the known, proven techniques for mounting the interior fixtures be used without jeopardizing the tightness of the insulating body. The only possibility the plastic inner lining by a non-cutting Being able to produce a molding process has the advantage of being able to mitanformen support strips or the like. The combination of a housing produced from vacuum insulation technology and / or a door with a non-cutting inner lining refrigerators can be produced, which have a significantly improved thermal insulation capacity at the same time retained advantages of the low-cost attachment of internal installations with external dimensions according to the conventionally constructed devices.

Vorzugsweise ist der Isolationskörper von dieser Innenwand wenigstens lokal durch einen Zwischenraum getrennt. Dadurch ist es möglich, die Innenwand dreidimensional zu strukturieren und z. B. darin Nuten oder Tragleisten zum Abstützen der Ränder eines Fachbodens zu formen.Preferably, the insulating body is separated from this inner wall at least locally by a gap. This makes it possible to structure the inner wall in three dimensions and z. B. grooves or support strips for supporting the edges of a shelf to form.

Der Zwischenraum zwischen der Innenwand und dem Isolationskörper ist vorzugsweise ausgeschäumt, so dass er mit zur Isolationswirkung des Gehäuses beiträgt. Im Gegensatz zur Wand des Isolationskörpers ist die Innenwand ohne weiteres mit einer Durchbrechung versehen sein, die insbesondere dazu dienen kann, ein Kabel durch sie zu führen oder eine Halterung für Inneneinbauten darin zu verankern. So kann z. B. die Führung des Kabels bis an den Ort des Durchbruches in einfacher Weise zwischen dem vakuumisolierten Gehäuse und/oder einer solchen Tür und einer dazu zum Innenraum hin vorgeschalteten Innenverkleidung erfolgen.The intermediate space between the inner wall and the insulating body is preferably foamed so that it contributes to the insulating effect of the housing. In contrast to the wall of the insulating body, the inner wall is readily provided with an opening, which can in particular serve to guide a cable through it or to anchor a holder for internal installations therein. So z. B. the leadership of the cable up to the place of the breakthrough in a simple manner between the vacuum-insulated housing and / or such a door and to the interior upstream upstream inner lining done.

Der Korpus des Kältegeräts ist vorzugsweise aus einer Mehrzahl von plattenförmigen Isolationskörpern und einer einteiligen, alle Isolationskörper des Korpus vom Innenraum trennenden Innenwand aufgebaut. Genauso ist es möglich den Korpus des Kältegeräts einteilig aus einer Innen- und einer damit vakuumdicht verbundenen Außenverkleidung mit dazwischenliegendem, zur Abstützung dieser Verkleidung dienenden, evakuierbaren Wärmeisolationsmaterial auszubilden.The body of the refrigerator is preferably constructed of a plurality of plate-shaped insulating bodies and a one-piece, all insulating body of the body separating from the interior interior wall. Likewise, it is possible to form the body of the refrigerator in one piece from an inner and a vacuum-tightly connected outer lining with intervening, serving to support this panel, evacuated heat insulation material.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen mit Bezug auf die beigefügten Figuren. Es zeigen:

  • Fig. 1 einen schematischen Schnitt durch eine erste Ausgestaltung eines erfindungsgemäßen Kältegerätegehäuses;
  • Fig. 2 einen Schnitt durch die Seitenwand des Kältegerätegehäuses entlang der Linie II-II aus Fig. 1; und
  • Fig. 3 einen Schnitt durch eine Wand eines Kältegerätekorpus gemäß einer zweiten Ausgestaltung der Erfindung.
Further features and advantages of the invention will become apparent from the following description of exemplary embodiments with reference to the accompanying figures. Show it:
  • Fig. 1 a schematic section through a first embodiment of a refrigeration device housing according to the invention;
  • Fig. 2 a section through the side wall of the refrigerator housing along the line II-II Fig. 1 ; and
  • Fig. 3 a section through a wall of a refrigerator body according to a second embodiment of the invention.

Das in Fig. 1 in einem vertikalen Schnitt dargestellten Kältegerätegehäuse ist im vorliegendem Fall aufgebaut aus einer Mehrzahl von plattenförmigen Vakuum-Isolationselementen, die jeweils eine Decke 3, eine Rückwand 4, einen Boden 5 und zwei nicht näher bezeichnete Seitenwände eines Korpus 1 bilden. Ein weiteres plattenförmiges Vakuum-Isolationselement 6 ist als Tür 2 ausgebildet. Die plattenförmigen Vakuum-Isolationskörper 3, 4, 5, 6 der Decke, der Rückseite, des Bodens und der Tür sind in der Figur im Schnitt gezeigt. Die Vakuum-Isolationskörper 3, 4, 5, 6 haben eine z. B durch spanlose Formgebung erzeugte metallische Außenwand und dazu beabstandete Innenwand und sind im Innern mit einem Stützmaterial, wie etwa einem offenporigen Schaum, versehen, der ein Evakuieren der Isolationskörper erlaubt und ihr Kollabieren unter dem äußeren Atmosphärendruck verhindert.This in Fig. 1 shown in a vertical section refrigerator housing is constructed in the present case of a plurality of plate-shaped vacuum insulation elements, each forming a ceiling 3, a rear wall 4, a bottom 5 and two unspecified side walls of a body 1. Another plate-shaped Vacuum insulation element 6 is designed as a door 2. The plate-shaped vacuum insulation body 3, 4, 5, 6 of the ceiling, the back, the floor and the door are shown in section in the figure. The vacuum insulation body 3, 4, 5, 6 have a z. B produced by non-cutting shaping metallic outer wall and spaced inner wall and are provided in the interior with a support material, such as an open-cell foam, which allows evacuation of the insulating body and prevents its collapse under the external atmospheric pressure.

Zwischen einer aus Kunststoff einteilig tiefgezogenen Innenwand 7, die den Innenraum 8 des Kältegeräts begrenzt, und den Innenwänden der Vakuum-Isolationskörper 3, 4, 5 befindet sich ein mit isolierendem Schaum verfüllter Zwischenraum 9. Im Gegensatz zum Stützmaterial kann dies ein geschlossenporiger Schaum sein, dessen Poren ein zum Expandieren des Schaums in dem Zwischenraum verwendetes Treibgas enthalten. Die Innenwand 7 ist mit einer Mehrzahl von horizontalen Nuten 10 versehen, die vorgesehen sind, um seitliche Kanten von (nicht dargestellten) Fachböden aufzunehmen und diese so abzustützen. Durch den adhäsiv wirkenden Schaum im Zwischenraum 9 wird der Innenwand 7 die geforderte Steifigkeit und Tragfähigkeit verliehen und gleichzeitig die Innenwand 7 mit den Isolationskörpern 3, 4 und 5 verbunden.Between a one-piece deep-drawn plastic inner wall 7, which limits the interior 8 of the refrigerator, and the inner walls of the vacuum insulation body 3, 4, 5 is filled with insulating foam gap 9. In contrast to the support material, this may be a closed-cell foam, the pores of which contain a propellant used to expand the foam in the space. The inner wall 7 is provided with a plurality of horizontal grooves 10 which are provided to receive lateral edges of shelves (not shown) and to support them. As a result of the adhesive foam acting in the interspace 9, the inner wall 7 is given the required rigidity and bearing capacity and, at the same time, the inner wall 7 is connected to the insulation bodies 3, 4 and 5.

Fig. 2 zeigt einen Teilschnitt durch eine Seitenwand des Korpus 1 in Höhe einer solchen Nut 10. Man erkennt, dass der Boden der Nut 10 im vorliegenden Ausführungsbeispiel unmittelbar einen Vakuum-Isolationskörper 11 dieser Seitenwand berührt. Durch einen während des Ausschäumvorgangs die Innenwand 7 stützenden Stützkern ist verhindert, dass die Innenwand 7 sich beim Ausschäumen des Zwischenraums 9 von dem Isolationskörper 11 entfernt und sich so das Volumen des Innenraums 8 unerwünscht verkleinert. Genauso ist es auch möglich, dass die Nut hinterschäumt ist. Fig. 2 shows a partial section through a side wall of the body 1 at the level of such a groove 10. It can be seen that the bottom of the groove 10 in the present embodiment directly touches a vacuum insulation body 11 of this side wall. By supporting the inner wall 7 during the foaming process support core is prevented that the inner wall 7 is removed during foaming of the gap 9 of the insulating body 11 and thus reduces the volume of the inner space 8 undesirable. It is equally possible that the groove is backfoamed.

Durch ein in die Innenwand 7 geschnittenes Loch 12 erstreckt sich ein Kabel 13, das beispielsweise zur Stromversorgung für eine Innenraumbeleuchtung, zum Anschließen eines Temperatursensors oder dergleichen dienen kann.By a cut into the inner wall 7 hole 12 extends a cable 13, which may serve for example for the power supply for interior lighting, for connecting a temperature sensor or the like.

Die Tür 2 hat einen ähnlichen Aufbau wie der Korpus 1. Ihre Außenseite ist komplett durch den Vakuum-Isolationskörper 6 gebildet; an die Ränder 14 von dessen Innenseite ist eine aus Kunststoff tiefgezogene Innenwand 15 angeordnet, die in ihrem mittleren Bereich von dem Isolationskörper 6 beabstandet ist und ein Stück weit in die offene Vorderseite der Innenwand 7 ragt. Der dadurch gebildete Zwischenraum 16 zwischen dem Vakuum-Isolationskörper 6 und der Innenwand 15 ist ebenfalls ausgeschäumt. Durch die adhäsive Wirkung des Schaums ist die Innenwand 15 formsteif ausgebildet und mit dem Isolationskörper 6 verbunden. Die Innenwand 15 weist eine großflächige dem Innenraum 8 zugewandte Vertiefung 17 auf; an die Vertiefung 17 seitlich umgebenden Flanken der Innenwand 15 geformte Vorsprünge 18 dienen an sich bekannter Art und Weise zum Abstützen von an ihnen aufgehängten Türabstellern.The door 2 has a similar construction as the body 1. Its outside is completely formed by the vacuum insulation body 6; to the edges 14 of the inside of a thermoformed plastic inner wall 15 is arranged, which is spaced in its central region of the insulating body 6 and a piece far into the open front of the inner wall 7 protrudes. The intermediate space 16 formed between the vacuum insulation body 6 and the inner wall 15 is also foamed. Due to the adhesive effect of the foam, the inner wall 15 is dimensionally stable and connected to the insulating body 6. The inner wall 15 has a large area facing the inner space 8 recess 17; to the recess 17 laterally surrounding flanks of the inner wall 15 shaped projections 18 serve in a known manner for supporting suspended from them door housings.

Fig. 3 zeigt einen Schnitt analog dem der Fig. 2 durch eine Seitenwand eines Kältegeräts gemäß einer zweiten Ausgestaltung der Erfindung. Bei dieser Ausgestaltung ist an der Innenseite des Vakuum-Isolationskörpers 11 vor dem Einsetzen der Innenwand 7 zunächst ein Abstandhalter 19 angebracht, z. B. angeklebt worden. Die Klebung braucht nicht dauerhaft zu sein, da sie beim fertigen Kältegerät nicht mehr benötigt wird. Der Abstandhalter 19 ist zwischen einem den Isolationskörper 11 berührenden Flansch 20 und einem die Innenwand 7 berührenden Flansch 21 tailliert, um die Wärmeübertragung durch den Abstandhalter 19 gering zu halten. Der Flansch 21 ist einem in die Innenwand 7 geschnittenen Loch 12 zugewandt und erstreckt sich über die Ränder des Lochs 12 hinaus. Dem Flansch 20 liegt auf der anderen Seite der Innenwand 7 ein Flansch 22 eines Halterungsteils 23 gegenüber. Ein zentraler Zapfen 24 des Halterungsteils 23 ist in einer zentralen Bohrung des Abstandhalters 19 befestigt, z. B. verschraubt oder verrastet, so dass die Flansche 21, 22 die Innenwand 7 zwischen sich eingeklemmt halten. Auf diese Weise ist das Loch 12 dicht verschlossen, und wenn der Zwischenraum 9 zwischen dem Vakuum-Isolationskörper 11 und der Innenwand 7 ausgeschäumt wird, ist ein Durchtritt von Schaum durch das Loch 12 in den Innenraum 8 ausgeschlossen. Fig. 3 shows a section similar to that of Fig. 2 through a side wall of a refrigerator according to a second embodiment of the invention. In this embodiment, a spacer 19 is first attached to the inside of the vacuum insulation body 11 prior to insertion of the inner wall 7, z. B. glued. The bond does not need to be permanent, since it is no longer needed in the finished refrigeration device. The spacer 19 is waisted between a flange 20 in contact with the insulating body 11 and a flange 21 contacting the inner wall 7 in order to minimize the heat transfer through the spacer 19. The flange 21 faces a hole 12 cut in the inner wall 7 and extends beyond the edges of the hole 12. The flange 20 is located on the other side of the inner wall 7, a flange 22 of a support member 23 opposite. A central pin 24 of the support member 23 is fixed in a central bore of the spacer 19, for. B. screwed or locked so that the flanges 21, 22 keep the inner wall 7 sandwiched between them. In this way, the hole 12 is sealed, and when the gap 9 between the vacuum insulation body 11 and the inner wall 7 is filled with foam, a passage of foam through the hole 12 in the interior 8 is excluded.

Wenn der Schaum im Zwischenraum 16 verfestigt ist, ist das Halterungsteil 23 belastbar und kann z.B. genutzt werden, um einen Fachboden darauf aufzulegen, eine Teleskopschiene für einen ausziehbaren Fachboden oder einen Auszugkasten daran zu befestigen, oder dergleichen.When the foam is solidified in the space 16, the support member 23 is loadable and may e.g. used to place a shelf on it to attach a telescopic rail for a pull-out shelf or drawer, or the like.

Die Gestaltung des Innenraums 8 kann an die herkömmlicher, nur schaumisolierter Kältegeräte vollständig angeglichen werden, so dass für einen Benutzer mit bloßem Auge kein Unterschied zwischen dem erfindungsgemäßen und einem herkömmlichen Kältegerät erkennbar ist.The design of the interior 8 can be completely adapted to the conventional, only foam-insulated refrigeration appliances, so that no difference between the inventive and a conventional refrigeration appliance can be seen for a user with the naked eye.

Claims (10)

  1. Housing for a refrigeration appliance, having a carcass (1) and a door (2) hinged to the carcass (1), which together delimit an interior (8), wherein at least one of the carcass (1) and door (2) are embodied as an evacuated insulating body (3, 4, 5, 6, 11), wherein an inner wall (7, 15) made from plastic material is disposed before the insulating body (3, 4, 5, 6, 11) in the direction towards the interior (8) and wherein the inner wall (7, 15) is not formed by a wall of the evacuated insulating body (3, 4, 5, 6 11), characterised in that the inner wall (7, 15), in contrast with the wall of the insulating body, has at least one aperture (12).
  2. Housing according to claim 1, characterised in that the insulating body (3, 4, 5, 6, 11) is separated from the inner wall (7, 15) at least locally by an intermediate space (9, 16).
  3. Housing according to claim 2, characterised in that the intermediate space (9, 16) is filled with foam.
  4. Housing according to one of claims 1 to 3, characterised in that a cable (13) is guided through the aperture (12).
  5. Housing according to one of claims 1 to 3, characterised in that a support (23) for interior components is fixed in the aperture (12).
  6. Housing according to one of the preceding claims, characterised in that at least one support (10, 18) for interior components of the refrigeration appliance is moulded in one piece on the inner wall (7, 15).
  7. Housing according to one of the preceding claims, characterised in that the carcass (1) is constructed from a plurality of insulating bodies (3, 4, 5, 11) and a one-piece inner wall (7) common to the insulating bodies (3, 4, 5, 11) and thermally-insulating material is introduced between the insulating body and/or bodies by means of foaming.
  8. Housing according to one of claims 1 to 7, characterised in that the insulating body is formed by an at least approximately diffusion-resistant inner cladding and an outer cladding connected thereto in a vacuum-sealed manner, which are arranged to form an evacuated intermediate space between one another, which is filled with evacuable thermally-insulating material.
  9. Housing according to one of the preceding claims, characterised in that the deep-drawn inner wall (7) made of plastic in one piece is provided with a plurality of horizontal grooves (10).
  10. Housing according to claim 9, characterised in that a base of a groove (10) is in direct contact with an insulating body (11).
EP04819249.6A 2003-11-26 2004-11-24 Refrigerator housing Active EP1690051B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10355137A DE10355137A1 (en) 2003-11-26 2003-11-26 Refrigerator housing
PCT/EP2004/053071 WO2005052476A1 (en) 2003-11-26 2004-11-24 Refrigerator housing

Publications (2)

Publication Number Publication Date
EP1690051A1 EP1690051A1 (en) 2006-08-16
EP1690051B1 true EP1690051B1 (en) 2016-02-03

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EP04819249.6A Active EP1690051B1 (en) 2003-11-26 2004-11-24 Refrigerator housing

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US (1) US20070099502A1 (en)
EP (1) EP1690051B1 (en)
CN (1) CN1898513B (en)
DE (1) DE10355137A1 (en)
RU (1) RU2370714C2 (en)
WO (1) WO2005052476A1 (en)

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Also Published As

Publication number Publication date
DE10355137A1 (en) 2005-06-23
WO2005052476A1 (en) 2005-06-09
EP1690051A1 (en) 2006-08-16
RU2006116417A (en) 2008-01-10
CN1898513A (en) 2007-01-17
CN1898513B (en) 2012-06-27
RU2370714C2 (en) 2009-10-20
US20070099502A1 (en) 2007-05-03

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