EP1633224B1 - Door comprising an insulating glazing and electric household appliance provided with said door - Google Patents

Door comprising an insulating glazing and electric household appliance provided with said door Download PDF

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Publication number
EP1633224B1
EP1633224B1 EP04739521A EP04739521A EP1633224B1 EP 1633224 B1 EP1633224 B1 EP 1633224B1 EP 04739521 A EP04739521 A EP 04739521A EP 04739521 A EP04739521 A EP 04739521A EP 1633224 B1 EP1633224 B1 EP 1633224B1
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EP
European Patent Office
Prior art keywords
frame
pane
appliance according
cooling appliance
door
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.)
Expired - Lifetime
Application number
EP04739521A
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German (de)
French (fr)
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EP1633224A1 (en
Inventor
Bernd Pfister
Günter Gomoll
Siegfried Grasy
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 Bosch und Siemens Hausgeraete GmbH
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Publication of EP1633224A1 publication Critical patent/EP1633224A1/en
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Publication of EP1633224B1 publication Critical patent/EP1633224B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0426—Details
    • A47F3/0434—Glass or transparent panels
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/04—Wing frames not characterised by the manner of movement
    • E06B3/263—Frames with special provision for insulation
    • E06B2003/26349—Details of insulating strips
    • E06B2003/26387—Performing extra functions
    • E06B2003/26389—Holding sealing strips or forming sealing abutments
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes
    • E06B3/301—Coverings, e.g. protecting against weather, for decorative purposes consisting of prefabricated profiled members or glass
    • 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

Definitions

  • the present invention relates to a refrigerator provided with a heat-insulating glazing having at least two gap-defining discs.
  • a refrigeration device with a insulating glazed door is eg off US 5,622,414 A known.
  • the door of this refrigerator is essentially composed of two glass plates held by spacers at a fixed distance from each other, the outer of which protrudes slightly beyond the interior in an edge region to provide a hinging surface for hinging the door.
  • the spacer is also extended beyond the edge of the inner plate to form a contact surface to which a plate of the hinge can be screwed. Since the hinge plate and the spacer for reasons of mechanical stability in general must be made of metal, results in this edge region a poor thermal insulation effect of the door. There is therefore a risk of condensation on the outside of this poorly insulated area of the door, which, if not removed, can cause damage.
  • condensation could be avoided by an electric heating by means of attached to the surface of the outer glass plate heating wires, but such heating increases both the manufacturing cost of the device as well as increased heat input just at a weak point of the thermal insulation, the power consumption of the device in operation and thus its operating costs.
  • Out US 5 588 421 A is a heat-insulating door for a household appliance known. Although this door is primarily described as a door for an oven, but should also be suitable for refrigerators. It comprises a frame made of sheet metal, which terminates flush with a front glass plate on an outer side and into which a viewing opening is cut. On the inside of the front glass panel, a first inner pane is held by a spacer profile. To one to prevent direct heat exchange between an interior of the household appliance and the inside of the front glass panel by air circulation, a second inner pane is arranged in the viewing opening. Out US 5374116 another cooling unit is known.
  • the object of the invention is to provide a refrigerator with a door with a simplified structure, wherein the door is better adapted than the known doors for use on a refrigeration device.
  • a cooling device with the features of claim 1. Due to the fact that the frame is not part of the glazing, this glazing can be inexpensively prefabricated in a conventional technique and inserted as a unit in the door.
  • the sealing strip prevents direct air circulation between the frame and the inner pane to the back of the outer pane and thus ensures a good insulation effect.
  • the sealing strip is preferably compressible.
  • An additional measure to improve the insulating effect of the door is the subdivision of the frame in an outer frame part, which may be made of metal in a conventional manner, an inner frame part adjacent to the inner disc and a thermal insulation element connecting the two frame parts.
  • the sealing strip is expediently mounted between the inner frame part and the inner pane.
  • the thermal insulation element is preferably a plastic element, in particular a plastic profile, which engages positively in grooves of at least the outer frame part.
  • the grooves are at least locally undercut.
  • a particularly high insulation effect can be achieved with a formed as a hollow profile thermal insulation element.
  • the frame does not extend beyond the edge of the outer pane so that it is invisible to a viewer looking at the door from the front and gives the impression that the door is essentially surrounded by the door outer disc is formed.
  • the frame is preferably bonded to the outer pane by gluing.
  • the outer pane is provided at least in its edge region with an opaque decoration.
  • the decor is preferably attached to the inner pane facing surface of the outer pane.
  • a flexible sealing profile provided to airtightly attach to the body of the household appliance when the door is mounted on a household appliance and thus to seal the interior thereof, is preferably held in a groove of the frame bounded at least by the inner frame member and the thermal insulation member ,
  • a good insulation effect with low thickness of the door can be achieved if the inner frame member, the thermal insulation element and the outer frame part not or not only in the thickness direction of the door, but especially transversely thereto, in a plane parallel to the inner disc, from the inside border each other outwards.
  • Fig. 1 shows a perspective view of a bottle storage cabinet as an example of a refrigerator with a door according to the invention.
  • the body 1 of the bottle storage cabinet can be freestanding or as shown here as a built-in model. While in most built-in refrigerators in the installed state, the front of the door is covered by a furniture panel, the door 2 of the device shown here is provided to remain freely visible when installed.
  • a mounted on the outer glass plate 3 handle 10 is screwed through two holes in the glass plate 3 through in the frame 4.
  • Fig. 2 shows a section through an edge region of the door 2.
  • the outer glass plate 3 is connected here via an adhesive layer 11 with an outer frame part 12 of the frame 4.
  • the outer frame part 12 is composed of four extruded profile pieces, for example made of aluminum, which each extend along an edge region of the outer plate 3.
  • the inner glass plate 6 is connected to the outer glass plate 3 via a spacer element 26 which may be e.g. can act to an aluminum profile, as it is known from the window construction for buildings and hermetically connects the two glass plates 3, 6 by gluing or cementing.
  • the two glass plates 3, 6 and the spacer element 26 can be preassembled with techniques known from insulating glass window construction, and the space between the glass plates 3, 6 filled with a known gas having better insulating properties than air.
  • an opaque decoration 27 e.g. by screen printing which extends from the edge of the disc 3 inwardly beyond the spacer element 26 to conceal it and the frame 4 at the finished assembled door.
  • two laterally undercut grooves 17 are formed, in each of which a web of a hollow profile 28 of plastic positively and non-positively engages.
  • the hollow profile 28 establishes a rigid connection to an inner frame part 19, which is provided in the same way with grooves 17, in which webs of the hollow profile 28 engage.
  • the hollow profile 28 is essentially responsible for the thermal insulation effect, which represents a considerable heat transfer resistance on the one hand because of its small cross-sectional area, on the other hand, that it consists of a poorly heat-conducting plastic. Another contribution to the insulation effect comes about by the fact that the inner frame part 19 and the outer frame part 12 are hollow profile elements in which heat transport essentially only along the walls is possible.
  • the inner frame part 19 is here separated from the inner glass plate 6 by a gap which is filled by a circulating foam strand 29.
  • the foam strand 29 has on its side facing the glass plate 6 a plurality of easily deformable, to the glass plate 6 tightly fitting ribs 30 on.
  • On the opposite side of the strand 29 is anchored to the inner frame member 19 by a projection 31, the form-fitting engages in an undercut groove of the frame part 19.
  • the strand blocks a heat transfer by air flow between the back of the outer pane 3 and the interior of the storage cabinet.
  • a flexible seal 23 Direct contact of cold air from the interior of the storage cabinet with the hollow profile 28 and the outer frame part 12 is prevented by a flexible seal 23.
  • the seal 23 is anchored in a groove 32, which is formed on the one hand by the inner frame member 19 and on the other hand by a projecting from the hollow section 28 to the body 1 toward the end thickened rib 33.
  • the seal 23 is filled in a manner known per se with ferromagnetic material so that, when the door is closed, it snugly fits against the front of the body 1 by magnetic force.
  • the magnetic seal 23 has a flexible tongue 34 which conforms with the door 2 closed over the entire length of the outer frame member 12 at the rear and thus a cavity 35 between the rib 33 and the outer frame member 12 airtight and thereby in addition to the thermal insulation effect the door contributes in the region of the seal 23.
  • the inner frame member 19 Since the inner frame member 19 has no supporting function and is not exposed to strong mechanical stresses, it can be made quite thin-walled, which also improves its insulating effect, or it can be made of comparatively better insulating plastic material instead of metal. Another modification option is to form the inner frame part 19 in one piece with the hollow profile 28 made of plastic.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Refrigerator Housings (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Description

Die vorliegende Erfindung betrifft ein Kühlgerät, das mit einer wärmeisolierenden Verglasung mit wenigstens zwei einen Zwischenraum begrenzenden Scheiben ausgestattet ist.The present invention relates to a refrigerator provided with a heat-insulating glazing having at least two gap-defining discs.

Ein Kältegerät mit einer isolierverglasten Tür ist z.B. aus US 5,622 414 A bekannt. Die Tür dieses Kältegeräts ist im Wesentlichen aufgebaut aus zwei durch Abstandhalter in einem festen Abstand voneinander gehaltenen Glasplatten, von denen die äußere in einem Randbereich ein Stück weit über die innere vorsteht, um eine Angriffsfläche für ein Scharnier zum Hochschwenken der Tür zu schaffen. In diesem Randbereich ist auch der Abstandhalter über den Rand der inneren Platte hinaus verlängert, um eine Kontaktfläche zu bilden, an der eine Platte des Scharniers verschraubt werden kann. Da die Scharnierplatte und der Abstandhalter aus Gründen der mechanischen Stabilität im allgemein aus Metall gefertigt sein müssen, ergibt sich in diesem Randbereich eine schlechte thermische Isolationswirkung der Tür. Es besteht daher die Gefahr, dass sich außen an diesem schlecht isolierten Bereich der Tür Schwitzwasser niederschlägt, das, wenn es nicht beseitigt wird, zu Schäden führen kann.A refrigeration device with a insulating glazed door is eg off US 5,622,414 A known. The door of this refrigerator is essentially composed of two glass plates held by spacers at a fixed distance from each other, the outer of which protrudes slightly beyond the interior in an edge region to provide a hinging surface for hinging the door. In this edge region, the spacer is also extended beyond the edge of the inner plate to form a contact surface to which a plate of the hinge can be screwed. Since the hinge plate and the spacer for reasons of mechanical stability in general must be made of metal, results in this edge region a poor thermal insulation effect of the door. There is therefore a risk of condensation on the outside of this poorly insulated area of the door, which, if not removed, can cause damage.

Zwar könnte die Schwitzwasserbildung durch eine elektrische Beheizung mit Hilfe von an der Oberfläche der äußeren Glasplatte angebrachten Heizdrähten vermieden werden, doch erhöht eine solche Heizung sowohl die Herstellungskosten des Geräts als auch durch verstärkten Wärmeeintrag ausgerechnet an einer Schwachstelle der thermischen Isolierung die Leistungsaufnahme des Geräts im Betrieb und damit dessen Betriebskosten.Although the condensation could be avoided by an electric heating by means of attached to the surface of the outer glass plate heating wires, but such heating increases both the manufacturing cost of the device as well as increased heat input just at a weak point of the thermal insulation, the power consumption of the device in operation and thus its operating costs.

Aus US 5 588 421 A ist eine wärmeisolierende Tür für ein Hausgerät bekannt. Diese Tür ist zwar in erster Linie als Tür für einen Backofen beschrieben, soll aber auch für Kältegeräte geeignet sein. Sie umfasst einen Rahmen aus Blech, der an einer Außenseite bündig mit einer vorderen Glasplatte abschließt und in den eine Sichtöffnung geschnitten ist. An der Innenseite der vorderen Glasplatte ist eine erste innere Scheibe durch ein Abstandhalterprofil gehalten. Um einen direkten Wärmeaustausch zwischen einem Innenraum des Haushaltsgeräts und der Innenseite der vorderen Glasplatte durch Luftzirkulation zu verhindern, ist in der Sichtöffnung eine zweite innere Scheibe angeordnet. Aus US 5374116 ist ein anderes Kühlgerät bekannt.Out US 5 588 421 A is a heat-insulating door for a household appliance known. Although this door is primarily described as a door for an oven, but should also be suitable for refrigerators. It comprises a frame made of sheet metal, which terminates flush with a front glass plate on an outer side and into which a viewing opening is cut. On the inside of the front glass panel, a first inner pane is held by a spacer profile. To one to prevent direct heat exchange between an interior of the household appliance and the inside of the front glass panel by air circulation, a second inner pane is arranged in the viewing opening. Out US 5374116 another cooling unit is known.

Aufgabe der Erfindung ist ein Kühlgerät mit einer Tür mit einem vereinfachten Aufbau zu schaffen, wobei die Tür besser als die bekannten Türen für den Einsatz an einem Kältegerät angepasst ist.The object of the invention is to provide a refrigerator with a door with a simplified structure, wherein the door is better adapted than the known doors for use on a refrigeration device.

Eine denkbare Möglichkeit, die Tür nach US 5 588 421 zu vereinfachen, wäre die Weglassung einer der zwei inneren Scheiben. Dabei ergibt sich jedoch das Problem, dass wenn die zweite innere Scheibe weggelassen wird, Luft durch das Sichtfenster hindurch bis unmittelbar an die Rückseite der äußeren Scheibe strömen kann, wodurch sich eine sehr schlechte Isolation ergibt.A possible way to open the door U.S. 5,588,421 To simplify, would be the omission of one of the two inner disks. However, there is the problem that when the second inner disc is omitted, air can flow through the viewing window until it reaches the back of the outer disc, resulting in very poor isolation.

Lässt man hingegen die erste innere Scheibe weg, so ergibt sich das Problem, dass der Zwischenraum zwischen den zwei verbleibenden Scheiben schwierig abzudichten ist, so dass die Gefahr besteht, dass sich Feuchtigkeit im Zwischenraum niederschlägt.On the other hand, if the first inner disk is left out, there is the problem that the space between the two remaining disks is difficult to be sealed, so that there is a risk of moisture precipitating in the space.

Die Aufgabe wird gelöst durch ein Kühlgerät mit den Merkmalen des Anspruchs 1. Dadurch, dass der Rahmen nicht Teil der Isolierverglasung ist, kann diese Isolierverglasung in an sich bekannter Technik preiswert vorgefertigt und als Einheit in die Tür eingefügt werden. Der Dichtstreifen verhindert eine direkte Luftzirkulation zwischen dem Rahmen und der inneren Scheibe bis zur Rückseite der äußeren Scheibe und sorgt so für eine gute Isolationswirkung.The problem is solved by a cooling device with the features of claim 1. Due to the fact that the frame is not part of the glazing, this glazing can be inexpensively prefabricated in a conventional technique and inserted as a unit in the door. The sealing strip prevents direct air circulation between the frame and the inner pane to the back of the outer pane and thus ensures a good insulation effect.

Um eine gute Dichtwirkung des Dichtstreifens auch bei streuenden Abmessungen des Rahmens zu erzielen, ist der Dichtstreifen vorzugsweise kompressibel.In order to achieve a good sealing effect of the sealing strip even with scattering dimensions of the frame, the sealing strip is preferably compressible.

Eine zusätzliche Maßnahme zur Verbesserung der Isolationswirkung der Tür ist die Unterteilung des Rahmens in ein äußeres Rahmenteil, das in herkömmlicher Weise aus Metall bestehen kann, ein zur inneren Scheibe benachbartes inneres Rahmenteil und ein die zwei Rahmenteile verbindendes thermisches Isolationselement.An additional measure to improve the insulating effect of the door is the subdivision of the frame in an outer frame part, which may be made of metal in a conventional manner, an inner frame part adjacent to the inner disc and a thermal insulation element connecting the two frame parts.

Der Dichtstreifen ist zweckmäßigerweise zwischen dem inneren Rahmenteil und der inneren Scheibe angebracht.The sealing strip is expediently mounted between the inner frame part and the inner pane.

Das thermische Isolationselement ist vorzugsweise ein Kunststoffelement, insbesondere ein Kunststoffprofil, das in Nuten wenigstens des äußeren Rahmenteils formschlüssig eingreift. Um einen sicheren Zusammenhalt zwischen dem Rahmenteil und dem Isolationselement zu bewirken, sind die Nuten wenigstens lokal hinterschnitten.The thermal insulation element is preferably a plastic element, in particular a plastic profile, which engages positively in grooves of at least the outer frame part. In order to effect a secure cohesion between the frame part and the insulating element, the grooves are at least locally undercut.

Eine besonders hohe Isolationswirkung ist mit einem als Hohlprofil ausgebildeten thermischen Isolationselement zu erreichen.A particularly high insulation effect can be achieved with a formed as a hollow profile thermal insulation element.

Einer bevorzugten Ausgestaltung zufolge reicht der Rahmen nicht über den Rand der äußeren Scheibe hinaus, so dass er für einen Betrachter, der von der Vorderseite her auf die Tür schaut, nicht sichtbar ist, und der Eindruck erweckt wird, dass die Tür im Wesentlichen durch die äußere Scheibe gebildet ist.According to a preferred embodiment, the frame does not extend beyond the edge of the outer pane so that it is invisible to a viewer looking at the door from the front and gives the impression that the door is essentially surrounded by the door outer disc is formed.

Der Rahmen ist mit der äußeren Scheibe vorzugsweise durch Klebung verbunden. Um eine solche Klebung oder andere Mittel zur Befestigung der äußeren Scheibe an dem Rahmen zu verbergen, ist die äußere Scheibe wenigstens in ihrem Randbereich mit einem undurchsichtigen Dekor versehen. Um es vor Beschädigung zu schützen, ist das Dekor vorzugsweise an der der inneren Scheibe zugewandten Oberfläche der äußeren Scheibe angebracht.The frame is preferably bonded to the outer pane by gluing. In order to hide such a bond or other means for attaching the outer pane to the frame, the outer pane is provided at least in its edge region with an opaque decoration. To protect it from damage, the decor is preferably attached to the inner pane facing surface of the outer pane.

Ein flexibles Dichtprofil, das vorgesehen ist, um bei an einem Haushaltsgerät montierter, geschlossener Tür luftdicht am Korpus des Haushaltsgeräts anzuliegen und so dessen Innenraum abzudichten, ist vorzugsweise in einer Nut des Rahmens gehalten, die wenigstens durch das innere Rahmenteil und das thermische Isolationselement begrenzt ist.A flexible sealing profile provided to airtightly attach to the body of the household appliance when the door is mounted on a household appliance and thus to seal the interior thereof, is preferably held in a groove of the frame bounded at least by the inner frame member and the thermal insulation member ,

Eine gute Isolationswirkung bei gleichzeitig geringer Dicke der Tür ist zu erreichen, wenn das innere Rahmenteil, das thermische Isolationselement und das äußere Rahmenteil nicht oder nicht nur in Dickenrichtung der Tür, sondern vor allem quer dazu, in einer zur inneren Scheibe parallelen Ebene, von innen nach außen aneinandergrenzen.A good insulation effect with low thickness of the door can be achieved if the inner frame member, the thermal insulation element and the outer frame part not or not only in the thickness direction of the door, but especially transversely thereto, in a plane parallel to the inner disc, from the inside border each other outwards.

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

Fig. 1
eine perspektivische Ansicht eines Weinlagerschranks als Beispiel für ein Haushaltsgerät mit einer Tür gemäß der Erfindung; und
Fig. 2
einen Schnitt durch einen Randbereich der Tür und daran angrenzende Teile des Korpus eines Kältegeräts.
Further features and advantages of the invention will become apparent from the following description of embodiments with reference to the accompanying figures. Show it:
Fig. 1
a perspective view of a wine storage cabinet as an example of a household appliance with a door according to the invention; and
Fig. 2
a section through an edge region of the door and adjoining parts of the body of a refrigerator.

Fig. 1 zeigt eine perspektivische Ansicht eines Flaschenlagerschranks als Beispiel für ein Kältegerät mit einer Tür gemäß der Erfindung. Der Korpus 1 des Flaschenlagerschranks kann freistehend oder wie hier gezeigt als Einbaumodell ausgebildet sein. Während bei den meisten Einbau-Kältegeräten im eingebauten Zustand die Vorderseite der Tür durch eine Möbelplatte verdeckt ist, ist die Tür 2 des hier gezeigten Geräts vorgesehen, um im eingebauten Zustand frei sichtbar zu bleiben. Fig. 1 shows a perspective view of a bottle storage cabinet as an example of a refrigerator with a door according to the invention. The body 1 of the bottle storage cabinet can be freestanding or as shown here as a built-in model. While in most built-in refrigerators in the installed state, the front of the door is covered by a furniture panel, the door 2 of the device shown here is provided to remain freely visible when installed.

Die Außenseite der Tür ist durch eine Glasplatte 3 gebildet, die an ihrer Rückseite an einen Rahmen 4 aus Metall angeklebt ist. An dem Rahmen 4 greifen zwei mit dem Korpus 1 fest verbundene Scharnierträger 5 an, von denen nur der obere in der Figur zu sehen ist. Eine innere Glasplatte 6 (siehe Fig. 2), deren Ränder von dem Rahmen 4 umgeben sind, bildet zusammen mit der äußeren Glasplatte 3 eine Isolierverglasung. Durch diese hindurch ist der Innenraum des Korpus 1 sichtbar; in diesem ist eine Mehrzahl von Flaschenträgern 7 angeordnet, die jeweils durch vordere und hintere horizontale Träger 8 und zwischen den Trägern aufgehängte zylindersegmentförmige Schalen 9 gebildet sind.The outside of the door is formed by a glass plate 3, which is glued on its back to a frame 4 made of metal. On the frame 4 engage with the body 1 fixed hinge support 5, of which only the upper can be seen in the figure. An inner glass plate 6 (see Fig. 2 ), whose edges are surrounded by the frame 4, forms together with the outer glass plate 3 a double glazing. Through this, the interior of the body 1 is visible; in this a plurality of bottle carriers 7 is arranged, which are each formed by front and rear horizontal support 8 and suspended between the carriers cylinder-segment-shaped shells 9.

Ein an der äußeren Glasplatte 3 angebrachter Griff 10 ist durch zwei Bohrungen der Glasplatte 3 hindurch im Rahmen 4 verschraubt.A mounted on the outer glass plate 3 handle 10 is screwed through two holes in the glass plate 3 through in the frame 4.

Fig. 2 zeigt einen Schnitt durch einen Randbereich der Tür 2. Die äußere Glasplatte 3 ist hier über eine Kleberschicht 11 mit einem äußeren Rahmenteil 12 des Rahmens 4 verbunden. Das äußere Rahmenteil 12 ist aus vier Strangpressprofilstücken, z.B. aus Aluminium, zusammengefügt, die sich jeweils entlang eines Randbereiches der äußeren Platte 3 erstrecken. Fig. 2 shows a section through an edge region of the door 2. The outer glass plate 3 is connected here via an adhesive layer 11 with an outer frame part 12 of the frame 4. The outer frame part 12 is composed of four extruded profile pieces, for example made of aluminum, which each extend along an edge region of the outer plate 3.

Die innere Glasplatte 6 ist mit der äußeren Glasplatte 3 über ein Abstandhalterelement 26 verbunden, bei dem es sich z.B. um ein Aluminiumprofil handeln kann, wie es aus dem Fensterbau für Gebäude bekannt ist und das durch eine Verklebung oder Verkittung die zwei Glasplatten 3, 6 hermetisch miteinander verbindet. Die zwei Glasplatten 3, 6 und das Abstandhalterelement 26 können mit aus dem Isolierglasfensterbau bekannten Techniken vormontiert und der Zwischenraum zwischen den Glasplatten 3,6 mit einem bekannten Gas mit besserem Isolationsvermögen als Luft gefüllt werden.The inner glass plate 6 is connected to the outer glass plate 3 via a spacer element 26 which may be e.g. can act to an aluminum profile, as it is known from the window construction for buildings and hermetically connects the two glass plates 3, 6 by gluing or cementing. The two glass plates 3, 6 and the spacer element 26 can be preassembled with techniques known from insulating glass window construction, and the space between the glass plates 3, 6 filled with a known gas having better insulating properties than air.

Noch vor dem Zusammenfügen der zwei Glasplatten 3, 6 wird auf der Rückseite der äußeren Glasplatte 3 in einem Randbereich ein lichtundurchlässiges Dekor 27, z.B. durch Siebdruck, aufgebracht, das sich vom Rand der Scheibe 3 nach innen bis über das Abstandhalterelement 26 hinaus erstreckt, um dieses und den Rahmen 4 an der fertig montierten Tür zu verbergen.Even before joining the two glass plates 3, 6, an opaque decoration 27, e.g. by screen printing which extends from the edge of the disc 3 inwardly beyond the spacer element 26 to conceal it and the frame 4 at the finished assembled door.

An einer Innenseite des äußeren Rahmenteils 12 sind zwei seitlich hinterschnittene Nuten 17 gebildet, in die jeweils ein Steg eines Hohlprofils 28 aus Kunststoff form- und kraftschlüssig eingreift. Das Hohlprofil 28 stellt eine starre Verbindung zu einem inneren Rahmenteil 19 her, das in gleicher Weise mit Nuten 17 versehen ist, in welche Stege des Hohlprofils 28 eingreifen.On an inner side of the outer frame part 12, two laterally undercut grooves 17 are formed, in each of which a web of a hollow profile 28 of plastic positively and non-positively engages. The hollow profile 28 establishes a rigid connection to an inner frame part 19, which is provided in the same way with grooves 17, in which webs of the hollow profile 28 engage.

Im Randbereich der Tür 2 ist im Wesentlichen das Hohlprofil 28 für die thermische Isolationswirkung verantwortlich, das hier einerseits aufgrund seiner geringen Querschnittsfläche, andererseits dadurch, dass es aus einem schlecht wärmeleitenden Kunststoff besteht, einen beträchtlichen Wärmeübergangswiderstand darstellt. Ein weiterer Beitrag zur Isolationswirkung kommt dadurch zustande, dass das innere Rahmenteil 19 und das äußere Rahmenteil 12 Hohlprofilelemente sind, in denen Wärmetransport im Wesentlichen nur entlang der Wände möglich ist.In the edge region of the door 2, the hollow profile 28 is essentially responsible for the thermal insulation effect, which represents a considerable heat transfer resistance on the one hand because of its small cross-sectional area, on the other hand, that it consists of a poorly heat-conducting plastic. Another contribution to the insulation effect comes about by the fact that the inner frame part 19 and the outer frame part 12 are hollow profile elements in which heat transport essentially only along the walls is possible.

Das innere Rahmenteil 19 ist hier von der inneren Glasplatte 6 durch einen Spalt getrennt, der durch einen umlaufenden Schaumstoffstrang 29 ausgefüllt ist. Der Schaumstoffstrang 29 weist an seiner der Glasplatte 6 zugewandten Seite mehrere leicht verformbare, sich an die Glasplatte 6 dicht anschmiegende Rippen 30 auf. An der gegenüberliegenden Seite ist der Strang 29 am inneren Rahmenteil 19 durch einen Vorsprung 31 verankert, der formschlüssig in eine hinterschnittene Nut des Rahmenteils 19 eingreift. Der Strang blockiert einen Wärmetransport durch Luftströmung zwischen der Rückseite der äußeren Scheibe 3 und dem Innenraum des Lagerschranks.The inner frame part 19 is here separated from the inner glass plate 6 by a gap which is filled by a circulating foam strand 29. The foam strand 29 has on its side facing the glass plate 6 a plurality of easily deformable, to the glass plate 6 tightly fitting ribs 30 on. On the opposite side of the strand 29 is anchored to the inner frame member 19 by a projection 31, the form-fitting engages in an undercut groove of the frame part 19. The strand blocks a heat transfer by air flow between the back of the outer pane 3 and the interior of the storage cabinet.

Ein direkter Kontakt von Kaltluft aus dem Innenraum des Lagerschranks mit dem Hohlprofil 28 und dem äußeren Rahmenteil 12 ist durch eine flexible Dichtung 23 verhindert. Die Dichtung 23 ist in einer Nut 32 verankert, die einerseits durch das innere Rahmenteil 19 und andererseits durch eine von dem Hohlprofil 28 zum Korpus 1 hin abstehende, am Ende verdickte Rippe 33 gebildet ist. An einer, von der Verankerung abgewandten Seite ist die Dichtung 23 in an sich bekannter Weise mit ferromagnetischem Material gefüllt, so dass sie sich bei geschlossener Tür durch Magnetkraft dicht an die Vorderfront des Korpus 1 anschmiegt.Direct contact of cold air from the interior of the storage cabinet with the hollow profile 28 and the outer frame part 12 is prevented by a flexible seal 23. The seal 23 is anchored in a groove 32, which is formed on the one hand by the inner frame member 19 and on the other hand by a projecting from the hollow section 28 to the body 1 toward the end thickened rib 33. At a side remote from the anchoring side, the seal 23 is filled in a manner known per se with ferromagnetic material so that, when the door is closed, it snugly fits against the front of the body 1 by magnetic force.

Die Magnetdichtung 23 weist eine flexible Zunge 34 auf, die sich bei geschlossener Tür 2 auf der gesamten Länge des äußeren Rahmenteils 12 an dessen Rückseite anschmiegt und so einen Hohlraum 35 zwischen der Rippe 33 und dem äußeren Rahmenteil 12 luftdicht abschließt und dadurch zusätzlich zur thermischen Isolationswirkung der Tür im Bereich der Dichtung 23 beiträgt.The magnetic seal 23 has a flexible tongue 34 which conforms with the door 2 closed over the entire length of the outer frame member 12 at the rear and thus a cavity 35 between the rib 33 and the outer frame member 12 airtight and thereby in addition to the thermal insulation effect the door contributes in the region of the seal 23.

Da das innere Rahmenteil 19 keine tragende Funktion hat und keinen starken mechanischen Belastungen ausgesetzt ist, kann es recht dünnwandig ausgeführt sein, was ebenfalls seine Isolationswirkung verbessert, oder es kann anstatt aus Metall auch aus vergleichsweise besser isolierendem Kunststoffmaterial gefertigt sein. Eine weitere Abwandlungsmöglichkeit ist, das innere Rahmenteil 19 einteilig mit dem Hohlprofil 28 aus Kunststoff auszubilden.Since the inner frame member 19 has no supporting function and is not exposed to strong mechanical stresses, it can be made quite thin-walled, which also improves its insulating effect, or it can be made of comparatively better insulating plastic material instead of metal. Another modification option is to form the inner frame part 19 in one piece with the hollow profile 28 made of plastic.

Claims (13)

  1. Cooling appliance with a door (2), which comprises a frame (4) and an insulating glazing, wherein the insulating glazing comprises at least one outer pane (3) and at least one inner pane (6) fastened to the outer pane (3) with formation of a sealed intermediate space and the frame (4) is fastened to the outer pane (3) in an edge region, which extends out beyond the edge of the inner pane (6), of the outer pane (3), wherein a gap between the inner pane (6) and the frame (4) is filled up by a sealing strip (29) preventing contact between the inner pane (6) and the frame (4).
  2. Cooling appliance according to claim 1, characterised in that the sealing strip (29) is compressible.
  3. Cooling appliance according to claim 1 or 2, characterised in that the frame comprises an outer frame part (12) fastened to the outer pane (3), an inner frame part (19) adjacent to the inner pane (6) and a thermal insulating element (28) firmly connecting the two frame parts.
  4. Cooling appliance according to claim 3, characterised in that the compressible sealing strip (29) is mounted between the inner pane (6) and the inner frame part (19).
  5. Cooling appliance according to claim 3 or 4, characterised in that the thermal insulating element (28) is a plastics material element which mechanically positively engages in grooves (17) of at least the outer frame part (12).
  6. Cooling appliance according to claim 5, characterised in that the grooves (17) are undercut at least locally.
  7. Cooling appliance according to any one of claims 3 to 6, characterised in that the thermal insulating element (28) is a hollow section.
  8. Cooling appliance according to any one of the preceding claims, characterised in that the frame (4) is arranged within the edge of the outer pane (3).
  9. Cooling appliance according to any one of the preceding claims, characterised in that the frame (4) is glued to the outer pane (3).
  10. Cooling appliance according to any one of the preceding claims, characterised in that the outer pane (3) is provided with non-transparent decoration (27) at least in a region in which it is fastened to the frame (4).
  11. Cooling appliance according to claim 10, characterised in that the decoration (27) is mounted on the surface of the outer pane (3) facing the inner pane (6).
  12. Cooling appliance according to any one of claims 3 to 11, characterised in that a flexible sealing section (23) is held by a groove (32) of the frame (4), which groove is bounded at least by the inner frame part (19) and the thermal insulating element (28).
  13. Cooling appliance according to any one of claims 3 to 12, characterised in that the inner frame part (19), the thermal insulating element (28) and the outer frame part (19) adjoin one another in a plane, which is parallel to the inner pane (6), from inside to outside.
EP04739521A 2003-06-02 2004-06-02 Door comprising an insulating glazing and electric household appliance provided with said door Expired - Lifetime EP1633224B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10324853A DE10324853A1 (en) 2003-06-02 2003-06-02 Door with double glazing and household appliance equipped with it
PCT/EP2004/005941 WO2004105558A1 (en) 2003-06-02 2004-06-02 Door comprising an insulating glazing and electric household appliance provided with said door

Publications (2)

Publication Number Publication Date
EP1633224A1 EP1633224A1 (en) 2006-03-15
EP1633224B1 true EP1633224B1 (en) 2013-02-27

Family

ID=33482360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04739521A Expired - Lifetime EP1633224B1 (en) 2003-06-02 2004-06-02 Door comprising an insulating glazing and electric household appliance provided with said door

Country Status (6)

Country Link
US (1) US20070062226A1 (en)
EP (1) EP1633224B1 (en)
CN (1) CN100553533C (en)
DE (1) DE10324853A1 (en)
RU (1) RU2343371C2 (en)
WO (1) WO2004105558A1 (en)

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CN108613464B (en) * 2016-12-12 2022-08-12 博西华电器（江苏）有限公司 Refrigeration appliance and heat insulation door thereof
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Also Published As

Publication number Publication date
RU2005136885A (en) 2006-07-10
WO2004105558A1 (en) 2004-12-09
CN1798514A (en) 2006-07-05
DE10324853A1 (en) 2004-12-23
RU2343371C2 (en) 2009-01-10
CN100553533C (en) 2009-10-28
US20070062226A1 (en) 2007-03-22
EP1633224A1 (en) 2006-03-15

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