EP1819972B1 - Refrigerator and/or freezer - Google Patents
Refrigerator and/or freezer Download PDFInfo
- Publication number
- EP1819972B1 EP1819972B1 EP05822715.8A EP05822715A EP1819972B1 EP 1819972 B1 EP1819972 B1 EP 1819972B1 EP 05822715 A EP05822715 A EP 05822715A EP 1819972 B1 EP1819972 B1 EP 1819972B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glazing
- refrigerator
- metal shell
- freezer according
- frame
- 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.)
- Not-in-force
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Classifications
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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
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- 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
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- 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
Definitions
- the present invention relates to a refrigerator and / or freezer with a glass door, which has a metal frame into which a glazing is inserted.
- Refrigerators in the context of the present application can also be climatic cabinets for storing wine in particular.
- the font US 6,655,760 shows a cooling device according to the preamble of claim 1. Furthermore, the DE 37 16 914 a climate test cabinet whose door comprises an outer lining and an inner panel, between which an insulating layer is arranged. Furthermore, the shows EP 0 953 807 a glazed door for a household appliance, in which a curved front window is attached by means of adapter to a flat frame.
- the present invention is therefore an object of the invention to provide an improved refrigerator and / or freezer of the type mentioned, which avoids the disadvantages of the prior art and the latter further develops in an advantageous manner.
- an optically high-quality glass door with sufficient stability is to be created.
- the metal frame surrounding the glazing is not composed of several pieces. It consists of a circumferentially integrally formed integrally metal shell, which is formed seamless at least on the visible side of the door. As a result, a hitherto unreached homogeneous optics is realized. Color deviations, visible gaps or joints are eliminated.
- the outer shell of the door consists of a full-surface evenly trained and aligned material.
- the metal shell is circumferentially foam-backed or foamed with a foam body.
- the integral one-piece metal shell regardless of the usual stability requirements for the metal frame in its shape significantly more varied and almost arbitrarily designed.
- the integrally one-piece metal shell consists of a chip-free deformed sheet metal profile, which can be made of a one-piece sheet metal blank and can have a central punched-out for the glazing.
- the metal shell is deep-drawn. Alternatively or additionally, it may be bent and beaded. Unbended or -branched edge webs can be welded at joints in the invisible area.
- the inside of the metal shell is flat, preferably full surface, connected to the foam body.
- the metal shell has in cross-section inclined flanks to each other, a considerable stiffening can be achieved by the back-foaming.
- the dimensional stability of the metal shell improves considerably by the foaming.
- the foam backing of the metal shell considerably improves the heat transfer coefficient, the so-called "K value" of the profile.
- the foam body achieves a significant reduction in the formation of condensation on the frame and in the transition to the glazing.
- the metal frame can be kept largely without condensation even without a heater.
- the metal shell can be given different contours on its front side.
- the metal shell has a bellied over the width and / or height of the door front side. Apart from a dynamic look, this gives the door increased rigidity.
- the curvature is not limited to a curvature in the cross section, as would be available with extruded profiles limited. Rather, the upper and lower transverse legs of the metal frame are curved at their front in the longitudinal direction of the transverse legs, i. the entire front side of the metal shell is slightly curved around a substantially vertical axis of curvature, whereby the metal shell is plastically lifted from the planar glazing.
- the metal shell may have a glazing cutout, in which an integrally encircling cover frame is inserted.
- the cover frame may rest against the edge of the metal shell delimiting the glazing cutout, in particular it may be plugged with a circumferential groove on said edge, which preferably extends substantially parallel to the glazing plane, so that the metal jacket edge is encompassed on both sides by the cover frame ,
- the cover frame is in this case preferably formed integrally with slight oversize relative to the glazing cutout. He can still be used by elastic deformation in the glazing cutout.
- the cover frame is advantageously formed frontally gap-free and also largely free of glass for glazing, thereby avoiding pollution and proper appearance is ensured over a long time.
- said cover frame may have a varying depth to compensate for the curvature of the front of the metal frame relative to the planar glazing.
- the glazing cutout of the metal shell can be angular.
- a sharp, precise look is achieved here.
- a rounded glazing cut-out can also be introduced into the metal casing. This makes it possible, in particular, to provide an edge web angled relative to the front side of the metal jacket on the metal jacket towards the glazing cutout. Such an angled edge web causes a stiffening of the metal shell in itself, which gives the door a higher strength.
- an elastic seal can be interposed. This can basically be provided on the front side of the glazing, in particular if the angled edge web described above is used. In order to achieve a precise appearance from the outside, which is not disturbed by the sometimes unsightly rubber bead of the seal, the tolerance compensation is, however, laid on the inside.
- the glazing may be present on its front side directly at the edge of the metal shell bounding the glazing cutout or the cover frame described above.
- the elastic seal for tolerance compensation is provided on the back.
- the glazing may be mounted on the metal frame in various ways. According to the invention a glazing holder is provided for the glazing, which is fastened to the frame reinforcement. If the foaming described above is provided, the glazing holder is foamed into the foam body.
- the glazing holder of the metal frame has inwardly projecting support legs, on which rests the glazing with its flat side.
- a suitable connection is expediently provided between the support leg and the glazing.
- the glazing may be glued to the support leg. By gluing the glass to these parts, the door gets its final rigidity.
- the glazing in a further development of the invention is a multiple glazing, in which a plurality of glass sheets are arranged spaced from each other.
- three glass sheets may be provided, which are interconnected by peripherally encircling spacers.
- an elastic lip seal is provided between the metal jacket and the glazing and / or between the glazing holder and the glazing, which surrounds the glazing and compensates for changes in thickness of the glazing with its elastic lip. This prevents moisture on the one hand. On the other hand, a clean conclusion is created.
- the elastic seal may have sections of different hardness and / or flexibility.
- a soft sealing lip may be formed on a harder mounting portion.
- the seal can be injection molded in this two-component process of various plastics. It is also possible to form a softer sealing lip by coextrusion.
- the seal can not only seal the glazing, but at the same time take over a storage function for the glazing.
- a lighting device may be provided on the metal frame, which directs light into the glazing.
- light emitting diodes or fluorescent tubes can be provided in the transition region between the metal frame and the glazing.
- this can be dispensed with a separate illumination of the device interior.
- Other additional applications, such as a frame heater, may be provided within the metal shell.
- the device or accessories can be attached to the metal frame, which can then possibly accommodate additional components such as lock or thermometer ,
- cooling unit 1 has a substantially cubic device body 2, which is itself open at the front and closed by a door 3.
- the door 3 is mounted in a conventional manner about a vertical door pivot axis pivotally mounted on the device body 2, so that they with the help of a door handle 4 to the in FIG. 1 right pivot axis can be opened and closed.
- the door 3 is formed as a glass door, which has a metal frame 5, in which a glazing 6 is inserted.
- the metal frame is regularly made quite narrow.
- the glazing 6 regularly occupies more than 2/3 of the width or the height of the door.
- the metal frame 5 consists of a circumferentially integrally integral metal shell 7, which is made of one piece, in particular of a one-piece sheet metal blank, in a chipless forming process.
- the metal shell 7 can be deep-drawn or bent and crimped.
- the metal shell 7 at least on its visible front, the FIG. 2 shows, no seams or joints, as is the case with conventional metal glass doors, which are composed of several metal frame pieces.
- thermometer 8 and a lock 9 are introduced into the metal shell.
- a gasket 14 which is pressed against the appliance body 2 when closing the door, sits around the glazing 6 on the metal frame 5 at the rear.
- door 3 is to be extended above and / or below the seal 14 in order, for example, to cover or project beyond the device, additional parts can be installed which can then possibly accommodate the additional components such as the lock 9 or the thermometer 8.
- the metal shell 7 is slightly convex at its front over the entire width of the door.
- the upper and lower transverse legs 11 are over their length, ie according to FIG. 1 from left to right, slightly curved.
- the resulting difference from the planar glazing 6 is compensated for either by a cover frame inserted into the glazing cut-out or by the edge webs of the metal shell angled towards the front, as will be described in more detail.
- the metal shell 7 has been formed into the desired cross-sectional contour without cutting, so that the metal shell 7 a front-side portion 16, a narrow-side portion 17 and a rear portion 18 includes.
- the limited by the metal shell 7 in this way back cavity is filled with foam, so that a circumferential foam body 19 over the entire surface of the rear wall of the metal shell 7 nestles and forms a closed frame stiffening, which significantly improves the dimensional stability of the metal shell.
- foam backing of the metal shell 7 also improved thermal insulation is achieved.
- the metal frame 5 has a much improved K value.
- a glazing holder 12 is foamed, on the one hand has the inwardly projecting support legs 13 for the glazing 6 and a L-shaped angled end leg 20.
- the serving as glazing holder 12 profile limits the foam body 19 to the non-limited by the metal shell 7 open side of the metal frame fifth
- the glazing 6 consists of a triple glazing comprising three glass panes 21, 22, 23, which are arranged parallel to each other and are interconnected by spacers 24 and 25.
- the spacers 24 and 25 advantageously run all around, so that there is a total completed insulating glazing package.
- the glazing 6 is inserted into the glazing holder 12 and may there be secured to the support leg 13 by a bond 26. Compared to the limiting leg 20, the glazing 6 is sealed by a circumferential seal 27.
- the glazing holder 12 with the glazing 6 inserted therein is inserted from the rear into the open side of the metal shell 7, wherein the edge of the central punching of the metal shell 7 for the glazing 6 by a further seal 28 which sits on the edge of the metal shell 7 , sealed and finished clean. Then, after inserting the glazing with the glazing holder 12 provided thereon, the cavity forming the rear side in the metal jacket 7 is filled with foam, so that the glazing holder 12 is foamed into the foam body 19.
- the glazing holder 12 comprises a support portion 29 which rests on the rear leg portion 18 of the metal shell 7. On this support portion 29, the door seal 14 is fixed, which seals the door 3 relative to the support body 2.
- the seal 28 is seated on the edge web 40. It can be circumferentially attached to this, with sealing lips of the seal 28 are supported on the front side of the glazing and allow tolerance compensation. Not only are manufacturing tolerances important here. Rather, the multiple glazing may change in thickness due to pressure changes, for example, during transport at high altitudes, so that a tolerance compensation is necessary.
- the glass door is the glazing cutout 41 advantageously not right angular, but rounded to allow the formation of the edge web.
- FIG. 4 also includes the according to FIG. 2 crowned over the door width, in cross-section three-legged bent metal shell 7, in the central punched the glazing 6 is used with the glazing holder 12 attached thereto.
- the glazing holder 12 is seated with a support portion 29 on the rear leg portion 18 of the metal shell 7.
- the glazing holder 12 is formed, so to speak vice versa.
- the support arm 13, on which the glazing 6 rests, extends at the front end of the end leg 20 of the glazing holder 12.
- a connection in the form of a cover frame 42 is provided, as it were formed as a labyrinth seal.
- a profile piece 31 forming the cover frame 42 sits in a clamping manner on the edge of the metal jacket 7 adjoining the central punched-out area and extends toward the glazing 6, the profile piece 13 being fork-shaped towards the glazing 6.
- an integrally formed on the support leg 13 edge web 32 extends.
- the cover 42 is integrally formed circumferentially and has over the glazing cutout 41 a slight oversize. As FIG. 4 shows, the glazing cutout 41 bounding edge 40 extends without angling, ie, substantially parallel to the glazing plane.
- the cover frame 42 has a circumferential groove, with which it can be plugged under elastic deformation of the cover 42 on the edge 40, so that it is embraced on both sides.
- the cover frame 42 has a depth that changes along the length of the transverse legs 11, ie its rear side, which faces the glazing, forms a flat surface, whereby a gap between the glazing and the corresponding leg of the profile piece 31 is minimized.
- the tolerance compensation for the glazing 6 is in the execution after FIG. 4 so to speak to the rear, ie laid on the inside of the door.
- the glazing 6 is held at the rear by a circumferential seal 33 in the glazing holder 12.
- the peripheral seal 33 is advantageously injection molded or coextruded from a variety of plastics in the two-component process.
- the seal 33 may have an elastic sealing lip 43, which is formed on a stiffer mounting portion 44.
- the stiffer mounting portion 44 is provided in the illustrated embodiment with a locking arm, by means of which the seal 33 can be latched to the glazing holder 12.
- the metal shell 7 is foamed on the back wall side.
- the forming foam body 19 of the glazing holder 12 is foamed.
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- Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
Die vorliegende Erfindung betrifft ein Kühl- und/oder Gefriergerät mit einer Glastüre, die einen Metallrahmen aufweist, in den eine Verglasung eingesetzt ist. Kühlgeräte im Sinne der vorliegenden Anmeldung können auch Klimaschränke zur Aufbewahrung insbesondere von Wein sein.The present invention relates to a refrigerator and / or freezer with a glass door, which has a metal frame into which a glazing is inserted. Refrigerators in the context of the present application can also be climatic cabinets for storing wine in particular.
Die Schrift
Bisherige Glastüren von Kühlgeräten sind in mehrerer Hinsicht nachteilig. Soweit ihr Metallrahmen aus Aluminiumstrangpressprofilen besteht, die auf Gehrung geschnitten und zusammengesetzt sind, sind an den Verbindungsstellen durch Toleranzen Spalte unvermeidbar. Zusätzliche Applikationen wie Schlösser, Sichtfenster und dergleichen sind nur schwer in die Strangpressprofile einbringbar. Zudem ist die Kontur des Metallrahmens durch die Rahmenprofile mehr oder minder vorgegeben und allenfalls durch zusätzliche Bearbeitung geringfügig anpassbar.Previous glass doors of refrigerators are disadvantageous in several respects. As far as their metal frame is made of extruded aluminum sections that are mitered and assembled, gaps at the joints are inevitable due to tolerances. Additional applications such as locks, windows and the like are difficult to introduce into the extruded profiles. In addition, the contour of the metal frame is more or less predetermined by the frame profiles and possibly slightly adaptable by additional processing.
Soweit der Rahmen von Glastüren aus Kunststoffextrusionsprofilen und/oder -spritzteilen durch Verschweißen oder Zusammenstecken aufgebaut wird, ist regelmäßig keine hochwertige Optik erreichbar. Durch das Verschweißen kommt es zu sichtbaren Stoßstellen. Zudem kann durch die Kombination verschiedener Kunststoffteile meist keine einheitliche Farbe oder Oberfläche erreicht werden.As far as the frame of glass doors made of plastic extrusion profiles and / or injection-molded parts is built by welding or plugging, no high-quality optics is regularly achievable. Welding leads to visible joints. In addition, the combination of different plastic parts usually no uniform color or surface can be achieved.
Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein verbessertes Kühl- und/oder Gefriergerät der genannten Art zu schaffen, das Nachteile des Standes der Technik vermeidet und letzteren in vorteilhafter Weise weiterbildet. Insbesondere soll eine optisch hochwertige Glastüre mit ausreichender Stabilität geschaffen werden.The present invention is therefore an object of the invention to provide an improved refrigerator and / or freezer of the type mentioned, which avoids the disadvantages of the prior art and the latter further develops in an advantageous manner. In particular, an optically high-quality glass door with sufficient stability is to be created.
Diese Aufgabe wird erfindungsgemäß durch ein Kühl- und/oder Gefriergerät gemäß Anspruch 1 gelöst. Bevorzugte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.This object is achieved by a refrigerator and / or freezer according to claim 1. Preferred embodiments of the invention are the subject of the dependent claims.
Erfindungsgemäß ist also der die Verglasung umgebende Metallrahmen nicht aus mehreren Stücken zusammengesetzt. Er besteht aus einem umlaufend integral einstückig ausgebildeten Metallmantel, der zumindest auf der Sichtseite der Tür nahtfrei ausgebildet ist. Hierdurch wird eine bislang nicht erreichte homogene Optik verwirklicht. Farbliche Abweichungen, sichtbare Spaltbildung oder Stoßstellen sind beseitigt. Die Außenhülle der Tür besteht aus einem vollflächig gleichmäßig ausgebildeten und ausgerichteten Material. Um dennoch die notwendige Stabilität zu erreichen, ist der Metallmantel umlaufend mit einem Schaumkörper hinterschäumt bzw. ausgeschäumt. Hierdurch kann der integral einstückige Metallmantel ungeachtet der üblichen Stabilitätsanforderungen an den Metallrahmen in seiner Formgebung wesentlich variantenreicher und nahezu beliebig gestaltet werden.According to the invention, therefore, the metal frame surrounding the glazing is not composed of several pieces. It consists of a circumferentially integrally formed integrally metal shell, which is formed seamless at least on the visible side of the door. As a result, a hitherto unreached homogeneous optics is realized. Color deviations, visible gaps or joints are eliminated. The outer shell of the door consists of a full-surface evenly trained and aligned material. In order nevertheless to achieve the necessary stability, the metal shell is circumferentially foam-backed or foamed with a foam body. As a result, the integral one-piece metal shell regardless of the usual stability requirements for the metal frame in its shape significantly more varied and almost arbitrarily designed.
Insbesondere besteht der integral einstückige Metallmantel aus einem spanfrei umgeformten Blechprofil, das aus einer einstückigen Blechplatine gefertigt sein und für die Verglasung eine zentrale Ausstanzung aufweisen kann. Vorzugsweise ist der Metallmantel tiefgezogen. Alternativ oder zusätzlich kann er gebogen und gebördelt sein. Ungebogene bzw. -gebördelte Randstege können an Stoßstellen im unsichtbaren Bereich verschweißt sein.In particular, the integrally one-piece metal shell consists of a chip-free deformed sheet metal profile, which can be made of a one-piece sheet metal blank and can have a central punched-out for the glazing. Preferably, the metal shell is deep-drawn. Alternatively or additionally, it may be bent and beaded. Unbended or -branched edge webs can be welded at joints in the invisible area.
Die Innenseite des Metallmantels ist flächig, vorzugsweise vollflächig, mit dem Schaumkörper verbunden. Insbesondere wenn der Metallmantel im Querschnitt zueinander geneigte Flanken besitzt, kann durch das Hinterschäumen eine beträchtliche Aussteifung erreicht werden. Die Maßhaltigkeit des Metallmantels verbessert sich durch das Schäumen beträchtlich. Zugleich verbessert das Hinterschäumen des Metallmantels beträchtlich den Wärmedurchgangskoeffizienten, den sogenannten "K-Wert" des Profils. Darüber hinaus wird durch den Schaumkörper eine deutliche Reduktion der Kondensatbildung am Rahmen und im Übergang zur Verglasung erzielt. Der Metallrahmen kann auch ohne eine Heizung weitgehend kondensatfrei gehalten werden.The inside of the metal shell is flat, preferably full surface, connected to the foam body. In particular, if the metal shell has in cross-section inclined flanks to each other, a considerable stiffening can be achieved by the back-foaming. The dimensional stability of the metal shell improves considerably by the foaming. At the same time, the foam backing of the metal shell considerably improves the heat transfer coefficient, the so-called "K value" of the profile. In addition, the foam body achieves a significant reduction in the formation of condensation on the frame and in the transition to the glazing. The metal frame can be kept largely without condensation even without a heater.
Dem Metallmantel können an seiner Frontseite verschiedene Konturen gegeben werden. Nach einer vorteilhaften Ausführung der Erfindung besitzt der Metallmantel eine über die Breite und/oder die Höhe der Tür bauchig geformte Frontseite. Abgesehen von einer dynamischen Optik erhält die Tür hierdurch eine erhöhte Steifigkeit in sich. Die Krümmung ist hierbei nicht auf eine Krümmung im Querschnitt, wie sie auch bei Strangpressprofilen erhältlich wäre, beschränkt. Vielmehr sind die oberen und unteren Querschenkel des Metallrahmens an ihrer Frontseite in Längsrichtung der Querschenkel gekrümmt, d.h. die gesamte Frontseite des Metallmantels ist um eine im wesentlichen vertikale Krümmungsachse leicht gekrümmt, wodurch sich der Metallmantel plastisch von der planen Verglasung abhebt.The metal shell can be given different contours on its front side. According to an advantageous embodiment of the invention, the metal shell has a bellied over the width and / or height of the door front side. Apart from a dynamic look, this gives the door increased rigidity. The curvature is not limited to a curvature in the cross section, as would be available with extruded profiles limited. Rather, the upper and lower transverse legs of the metal frame are curved at their front in the longitudinal direction of the transverse legs, i. the entire front side of the metal shell is slightly curved around a substantially vertical axis of curvature, whereby the metal shell is plastically lifted from the planar glazing.
Um eine präzise scharflinige Optik auch am Übergang zur Verglasung zu erreichen, kann der Metallmantel einen Verglasungsausschnitt aufweisen, in den ein einstückig umlaufender Abdeckrahmen eingesetzt ist. Der Abdeckrahmen kann an den den Verglasungsausschnitt begrenzenden Rand des Metallmantels umlaufend anliegen, insbesondere kann er mit einer umlaufenden Nut auf den genannten Rand, der sich vorzugsweise im wesentlichen parallel zu der Verglasungsebene erstreckt, aufgesteckt werden, so dass der Metallmantelrand beidseitig von dem Abdeckrahmen umgriffen ist. Der Abdeckrahmen ist hierbei vorzugsweise einstückig mit leichter Übergröße gegenüber dem Verglasungsausschnitt ausgebildet. Er kann durch elastische Verformung dennoch in den Verglasungsausschnitt eingesetzt werden.In order to achieve a precise sharp-line appearance at the transition to the glazing, the metal shell may have a glazing cutout, in which an integrally encircling cover frame is inserted. The cover frame may rest against the edge of the metal shell delimiting the glazing cutout, in particular it may be plugged with a circumferential groove on said edge, which preferably extends substantially parallel to the glazing plane, so that the metal jacket edge is encompassed on both sides by the cover frame , The cover frame is in this case preferably formed integrally with slight oversize relative to the glazing cutout. He can still be used by elastic deformation in the glazing cutout.
Der Abdeckrahmen ist vorteilhafterweise frontseitig spaltfrei ausgebildet und schließt auch zur Verglasung weitgehend spaltfrei ab, wodurch Verschmutzungslinien vermieden und eine einwandfreie Optik auch über lange Zeit sichergestellt ist.The cover frame is advantageously formed frontally gap-free and also largely free of glass for glazing, thereby avoiding pollution and proper appearance is ensured over a long time.
Besitzt der Metallmantel die zuvor beschriebene Balligkeit quer über die gesamte Türbreite, kann der genannte Abdeckrahmen eine sich ändernde Tiefe besitzen, um die Krümmung der Frontseite des Metallrahmens gegenüber der planen Verglasung auszugleichen.If the metal shell has the above-described crowning over the entire width of the door, said cover frame may have a varying depth to compensate for the curvature of the front of the metal frame relative to the planar glazing.
Vorteilhafterweise kann der Verglasungsausschnitt des Metallmantels eckig ausgebildet sein. Im Gegensatz zu einem gerundeten Verglasungsausschnitt wird hier eine scharfe, präzise Optik erreicht.Advantageously, the glazing cutout of the metal shell can be angular. In contrast to a rounded glazing cut-out, a sharp, precise look is achieved here.
Es versteht sich jedoch, dass ein solcher eckiger Verglasungsausschnitt nicht zwangsweise vorgesehen sein muss. Gemäß einer alternativen Ausführung der Erfindung kann in den Metallmantel auch ein abgerundeter Verglasungsausschnitt eingebracht sein. Dies ermöglicht es insbesondere, an dem Metallmantel zum Verglasungsausschnitt hin einen gegenüber der Frontseite des Metallmantels abgewinkelten Randsteg vorzusehen. Ein solcher abgewinkelter Randsteg bewirkt eine Versteifung des Metallmantels in sich, die der Tür eine höhere Festigkeit gibt.It is understood, however, that such an angular glazing cutout does not necessarily have to be provided. According to an alternative embodiment of the invention, a rounded glazing cut-out can also be introduced into the metal casing. This makes it possible, in particular, to provide an edge web angled relative to the front side of the metal jacket on the metal jacket towards the glazing cutout. Such an angled edge web causes a stiffening of the metal shell in itself, which gives the door a higher strength.
Um einen Toleranzausgleich zwischen der Verglasung und dem Metallmantel zu ermöglichen, kann eine elastische Dichtung zwischengeschaltet werden. Diese kann grundsätzlich an der Frontseite der Verglasung vorgesehen sein, insbesondere wenn der zuvor beschriebene abgewinkelte Randsteg Verwendung findet. Um von außen eine präzise Optik zu erreichen, die durch die bisweilen unansehnliche Gummiwulst der Dichtung nicht gestört wird, wird der Toleranzausgleich jedoch auf die Innenseite verlegt. Die Verglasung kann auf ihrer Frontseite unmittelbar an dem den Verglasungsausschnitt begrenzenden Rand des Metallmantels oder dem zuvor beschriebenen darin eingesetzten Abdeckrahmen anstehen. Die elastische Dichtung zum Toleranzausgleich wird auf der Rückseite vorgesehen.To allow a tolerance compensation between the glazing and the metal shell, an elastic seal can be interposed. This can basically be provided on the front side of the glazing, in particular if the angled edge web described above is used. In order to achieve a precise appearance from the outside, which is not disturbed by the sometimes unsightly rubber bead of the seal, the tolerance compensation is, however, laid on the inside. The glazing may be present on its front side directly at the edge of the metal shell bounding the glazing cutout or the cover frame described above. The elastic seal for tolerance compensation is provided on the back.
Die Verglasung kann in verschiedener Art und Weise an dem Metallrahmen gelagert sein. Erfindungsgemäß ist für die Verglasung ein Verglasungshalter vorgesehen, der an der Rahmenversteifung befestigt ist. Wird die zuvor beschriebene Ausschäumung vorgesehen, ist der Verglasungshalter in den Schaumkörper eingeschäumt.The glazing may be mounted on the metal frame in various ways. According to the invention a glazing holder is provided for the glazing, which is fastened to the frame reinforcement. If the foaming described above is provided, the glazing holder is foamed into the foam body.
Vorteilhafterweise besitzt der Verglasungshalter von dem Metallrahmen nach innen vorspringende Auflagerschenkel, auf denen die Verglasung mit ihrer Flachseite aufliegt. Zwischen dem Auflagerschenkel und der Verglasung ist zweckmäßigerweise eine geeignete Verbindung vorgesehen. Insbesondere kann die Verglasung auf den Auflagerschenkel aufgeklebt sein. Durch das Verkleben des Glases mit diesen Teilen erhält die Tür ihre endgültige Steifigkeit.Advantageously, the glazing holder of the metal frame has inwardly projecting support legs, on which rests the glazing with its flat side. A suitable connection is expediently provided between the support leg and the glazing. In particular, the glazing may be glued to the support leg. By gluing the glass to these parts, the door gets its final rigidity.
Um eine gute Wärmedämmung zu erreichen, ist die Verglasung in Weiterbildung der Erfindung eine Mehrfachverglasung, bei der mehrere Glasscheiben voneinander beabstandet angeordnet sind. Gemäß einer Ausführung der Erfindung können drei Glasscheiben vorgesehen sein, die durch randseitig umlaufende Distanzstücke miteinander verbunden sind.In order to achieve a good thermal insulation, the glazing in a further development of the invention is a multiple glazing, in which a plurality of glass sheets are arranged spaced from each other. According to one embodiment of the invention, three glass sheets may be provided, which are interconnected by peripherally encircling spacers.
In Weiterbildung der Erfindung ist zwischen dem Metallmantel und der Verglasung und/oder zwischen dem Verglasungshalter und der Verglasung eine elastische Lippendichtung vorgesehen, die die Verglasung umgreift und mit ihrer elastischen Lippe Dickenänderungen der Verglasung ausgleicht. Dies verhindert einerseits Feuchtigkeitseintritt. Andererseits wird ein sauberer Abschluss geschaffen.In a further development of the invention, an elastic lip seal is provided between the metal jacket and the glazing and / or between the glazing holder and the glazing, which surrounds the glazing and compensates for changes in thickness of the glazing with its elastic lip. This prevents moisture on the one hand. On the other hand, a clean conclusion is created.
Die elastische Dichtung kann hierbei Abschnitte unterschiedlicher Härte und/oder Flexibilität aufweisen. Insbesondere kann eine weiche Dichtlippe an einem härteren Befestigungsabschnitt angeformt sein. Die Dichtung kann hierzu im Zweikomponentenverfahren aus verschiedenen Kunststoffen spritzgegossen sein. Ebenso möglich ist es, eine weichere Dichtlippe durch Koextrusion anzuformen. Vorteilhafterweise kann die Dichtung nicht nur die Verglasung abdichten, sondern für die Verglasung gleichzeitig eine Lagerungsfunktion übernehmen.The elastic seal may have sections of different hardness and / or flexibility. In particular, a soft sealing lip may be formed on a harder mounting portion. The seal can be injection molded in this two-component process of various plastics. It is also possible to form a softer sealing lip by coextrusion. Advantageously, the seal can not only seal the glazing, but at the same time take over a storage function for the glazing.
Um die Tür zu beleuchten, kann an dem Metallrahmen eine Beleuchtungseinrichtung vorgesehen sein, die Licht in die Verglasung leitet. Hierzu können im Übergangsbereich zwischen dem Metallrahmen und der Verglasung Leuchtdioden oder Leuchtstoffröhren vorgesehen werden. Gegebenenfalls kann hierdurch auf eine separate Beleuchtung des Geräteinnenraums verzichtet werden. Weitere Zusatzapplikationen, wie beispielsweise eine Rahmenheizung, können innerhalb des Metallmantels vorgesehen werden.To illuminate the door, a lighting device may be provided on the metal frame, which directs light into the glazing. For this purpose, light emitting diodes or fluorescent tubes can be provided in the transition region between the metal frame and the glazing. Optionally, this can be dispensed with a separate illumination of the device interior. Other additional applications, such as a frame heater, may be provided within the metal shell.
Soll die Tür oberhalb und/oder unterhalb ihrer Dichtung zum Gerätekorpus hin verlängert werden, um beispielsweise das Gerät abzudecken oder zu überragen, können Zusatzteile, insbesondere Türverlängerungen, an den Metallrahmen angebaut sein, welche dann ggf. auch zusätzliche Bauteile wie Schloss oder Thermometer aufnehmen können.If the door above and / or below its seal to the device body to be extended to cover, for example, the device or accessories, especially door extensions, can be attached to the metal frame, which can then possibly accommodate additional components such as lock or thermometer ,
Die Erfindung wird nachfolgend anhand bevorzugter Ausführungsbeispiele und zugehöriger Zeichnungen näher erläutert. In den Zeichnungen zeigen:
- Fig. 1:
- eine perspektivische Ansicht eines Kühlgeräts mit einer Glastür nach einer bevorzugten Ausführung der Erfindung in schematischer Darstellung,
- Fig. 2:
- eine Schnittansicht der Glastür des Kühlgeräts aus
Fig. 1 entlang der Linie A-A inFig. 1 , - Fig. 3:
- eine Schnittansicht der Glastür aus
Fig. 1 nach einer bevorzugten Ausführung der Erfindung, bei der der Metallmantel ausgeschäumt ist, und - Fig. 4:
- eine Schnittansicht einer Glastüre ähnlich
Fig. 3 nach einer weiteren bevorzugten Ausführung der Erfindung, bei der der Metallmantel ausgeschäumt ist.
- Fig. 1:
- a perspective view of a refrigerator with a glass door according to a preferred embodiment of the invention in a schematic representation,
- Fig. 2:
- a sectional view of the glass door of the refrigerator
Fig. 1 along the line AA inFig. 1 . - 3:
- a sectional view of the glass door
Fig. 1 according to a preferred embodiment of the invention, in which the metal shell is foamed, and - 4:
- a sectional view of a glass door similar
Fig. 3 according to another preferred embodiment of the invention, in which the metal shell is foamed.
Das in
Wie
Der Metallrahmen 5 besteht aus einem umlaufend integral einstückigen Metallmantel 7, der aus einem Stück, insbesondere aus einer einstückigen Blechplatine, in einem spanlosen Umformprozess gefertigt ist. Insbesondere kann der Metallmantel 7 tiefgezogen oder gebogen und gebördelt sein. Vorteilhafterweise besitzt hierdurch der Metallmantel 7 zumindest auf seiner sichtbaren Vorderseite, die
Im Bereich des oberen Querstücks des Metallrahmens 5 sind in den Metallmantel 7 Ausstanzungen für ein Thermometer 8 sowie ein Schloss 9 eingebracht.In the region of the upper crosspiece of the
Bei gebördelter Ausführung des Metallmantels 7 können stirnseitig Abdeckungen aufgesetzt werden, um die Blechkanten und die Abstützung zu verdecken und die Optik zu verbessern.When flanged execution of the
Um die Tür 3 gegenüber dem Gerätekorpus 2 abzudichten, sitzt umlaufend um die Verglasung 6 herum auf dem Metallrahmen 5 rückseitig eine Dichtung 14 auf, die beim Schließen der Tür gegen den Gerätekorpus 2 gedrückt wird.In order to seal the
Soll die Tür 3 oberhalb und/oder unterhalb der Dichtung 14 verlängert werden, um beispielsweise das Gerät abzudecken oder zu überragen, können Zusatzteile verbaut werden, welche dann ggf. die zusätzlichen Bauteile wie das Schloss 9 oder das Thermometer 8 aufnehmen können.If the
Wie
Wie
Wie
Die Verglasung 6 besteht aus einer Dreifach-Verglasung umfassend drei Glasscheiben 21, 22, 23, die zueinander parallel angeordnet sind und durch Distanzstücke 24 und 25 miteinander verbunden sind. Die Distanzstücke 24 und 25 verlaufen vorteilhafterweise rundum, so dass sich ein insgesamt abgeschlossenes Isolierverglasungspaket ergibt. Die Verglasung 6 ist in den Verglasungshalter 12 eingesetzt und kann dort an dem Auflagerschenkel 13 durch eine Verklebung 26 befestigt sein. Gegenüber dem Begrenzungsschenkel 20 ist die Verglasung 6 durch eine umlaufende Dichtung 27 abgedichtet.The
Der Verglasungshalter 12 mit der darin eingesetzten Verglasung 6 wird von der Rückseite her in die offene Seite des Metallmantels 7 eingesetzt, wobei der Rand der zentralen Ausstanzung des Metallmantels 7 für die Verglasung 6 durch eine weitere Dichtung 28, die auf dem Rand des Metallmantels 7 sitzt, abgedichtet und sauber abgeschlossen wird. Sodann wird nach Einsetzen der Verglasung mit dem daran vorgesehenen Verglasungshalter 12 der sich rückseitig im Metallmantel 7 bildende Hohlraum ausgeschäumt, so dass der Verglasungshalter 12 in den Schaumkörper 19 eingeschäumt wird. Wie
Wie
Die Ausführung nach
Der Toleranzausgleich für die Verglasung 6 ist bei der Ausführung nach
Auch bei der Ausführung nach
Durch den durchgehenden Metallmantel 7 wird eine homogene und edle Optik an der Sichtfläche erreicht, die nunmehr aus einem vollflächig gleich gefärbten und ausgerichteten Material besteht. Farbliche Abweichungen, sichtbare Spaltbildung oder Stoßstellen werden hierdurch ausgeschlossen. Zudem besteht die Möglichkeit der Bedruckung, Lackierung oder Thermosublimation, wodurch die sichtbare Oberfläche des Metallrahmens an kundenspezifische Wünsche angepasst werden kann. Selbstverständlich ist auch eine farbliche Anpassung der Glastür an den Gerätekorpus 2 möglich, was bislang aufgrund verschiedener Materialien nur bedingt möglich war.Through the
Claims (19)
- Refrigerator and/or freezer, having a glass door (3) comprising a metal frame (5), in which a glazing (6) is set, which is fixed to a glazing bracket (12), wherein the metal frame (5) consists of a circumferentially-integral one-piece metal shell (7), which is formed to have no seams on its visible sides, characterized in that the metal shell (7) is foamed with a circumferential foam body (19), which closely adapts to the rear wall of the metal shell (7) and forms a closed frame reinforcement, wherein the glazing bracket (12) is foamed into the foam body (19).
- Refrigerator and/or freezer according to the preceding claim, wherein the metal shell (7), on the front-side portion (17), is formed in a bulge-like manner across the width and/or the height of the door.
- Refrigerator and/or freezer according to one of the preceding claims, wherein the metal shell (7) consists of a deformed sheet-steel profile, in particular is deep-drawn and/or bent and beaded.
- Refrigerator and/or freezer according to the preceding claim, wherein the front side of an upper and/or lower transverse leg (11) of the metal shell (7) has a curvature in longitudinal direction of this upper and/or lower transverse leg (11).
- Refrigerator and/or freezer according to one of the preceding claims, wherein the metal shell (7) comprises a glazing cutout (41), into which a one-piece circumferential covering frame (42) is set.
- Refrigerator and/or freezer according to one of the preceding claims, wherein the covering frame (42) circumferentially buts against the edge (40) of the metal shell (7) delimiting the glazing cutout (41), in particular can be plugged on to this edge, which extends approximately parallel to the glazing plane, with a circumferential groove in such a way that the edge (40) is engaged on both sides by the covering frame (42).
- Refrigerator and/or freezer according to one of the two preceding claims, wherein the covering frame (42) has a changing depth (45) that compensates the curvature of the front side of the metal shell (7) to the glazing (6).
- Refrigerator and/or freezer according to one of the preceding claims, wherein the metal shell (7) comprises an angular glazing cutout (41).
- Refrigerator and/or freezer according to one of the preceding claims, wherein the glazing bracket (12) has a support leg (13) projecting inward from the metal frame (5), on which the glazing (6) rests, preferably bonded to, with its planar side.
- Refrigerator and/or freezer according to one of the preceding claims, wherein the glazing (6) is a multilayer glazing, in which multiple glass panes (21, 22, 23) are arranged at a distance to one another, preferably are connected to one another by spacers (24, 25).
- Refrigerator and/or freezer according to one of the preceding claims, wherein a seal (27, 28), in particular an elastic lip seal, is provided between the metal shell (7) and the glazing (6), and/or between the glazing bracket (12) and the glazing (6).
- Refrigerator and/or freezer according to one of the preceding claims, wherein the glazing (6) is supported by means of an elastic seal (33) which engages around the glazing (6) and enables tolerance compensation for the glazing.
- Refrigerator and/or freezer according to one of the preceding claims, wherein the elastic seal (33) is arranged on the inner side of the door of the glazing (6).
- Refrigerator and/or freezer according to one of the two preceding claims, wherein the seal (33) comprises portions of different hardness and/or flexibility, in particular a soft sealing lip, which is formed to a harder fastening portion.
- Refrigerator and/or freezer according to the preceding claim, wherein the seal (33) is injection-molded or co-extruded from different materials in the two-component process.
- Refrigerator and/or freezer according to one of claims 5 to 8, wherein the metal shell (7) comprises an edge web (40) towards the glazing cut-out (41) angled with respect to the front side of the metal shell (7).
- Refrigerator and/or freezer according to the preceding claim and according to one of claims 11-15, wherein the elastic seal is disposed on the edge web (40).
- Refrigerator and/or freezer according to one of the two preceding claims, wherein an additional application, in particular a heater, a lighting device (15), a thermometer (18) or the like, is provided on the metal frame (5) between the metal shell (7) and the glazing (6).
- Refrigerator and/or freezer according to one of the two preceding claims, wherein a lighting device (15) is provided on the metal frame to illuminate the glazing (6).
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004018464 | 2004-11-29 | ||
DE202004019866 | 2004-12-23 | ||
DE202005000923U DE202005000923U1 (en) | 2004-11-29 | 2005-01-20 | Fridge and / or freezer |
PCT/EP2005/012746 WO2006058707A1 (en) | 2004-11-29 | 2005-11-29 | Refrigerator and/or freezer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1819972A1 EP1819972A1 (en) | 2007-08-22 |
EP1819972B1 true EP1819972B1 (en) | 2018-11-07 |
Family
ID=35892548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05822715.8A Not-in-force EP1819972B1 (en) | 2004-11-29 | 2005-11-29 | Refrigerator and/or freezer |
Country Status (7)
Country | Link |
---|---|
US (1) | US7805892B2 (en) |
EP (1) | EP1819972B1 (en) |
JP (1) | JP2008522122A (en) |
KR (1) | KR20070084597A (en) |
DE (1) | DE202005000923U1 (en) |
ES (1) | ES2709892T3 (en) |
WO (1) | WO2006058707A1 (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005002231U1 (en) * | 2005-01-25 | 2006-06-08 | Liebherr-Hausgeräte Ochsenhausen GmbH | Fridge and / or freezer |
WO2009016436A2 (en) * | 2006-08-31 | 2009-02-05 | Koninklijke Philips Electronics N.V. | Door for a cold storage device such as a refrigerator or freezer |
US8869493B2 (en) * | 2012-03-14 | 2014-10-28 | Thermoseal Industries, L.L.C. | Door for a refrigerated cabinet |
DE102012223536A1 (en) * | 2012-12-18 | 2014-06-18 | BSH Bosch und Siemens Hausgeräte GmbH | Support frame for an insulating body with a seal on the inner wall and household refrigeration appliance |
KR101892794B1 (en) | 2015-08-25 | 2018-08-28 | 엘지전자 주식회사 | Refrigerator |
KR101862564B1 (en) | 2016-01-05 | 2018-05-30 | 엘지전자 주식회사 | Refrigerator |
CN108613462A (en) * | 2016-12-12 | 2018-10-02 | 博西华电器(江苏)有限公司 | Refrigerating appliance and its insulated door |
US20180223589A1 (en) * | 2017-02-09 | 2018-08-09 | Thermoseal Industries, Llc | Insulating door and frame |
JP7063740B2 (en) * | 2018-06-18 | 2022-05-09 | 日本板硝子株式会社 | Vacuum glass panel |
TR201902651A2 (en) * | 2019-02-21 | 2020-09-21 | Serdar Plastik Sanayi Ve Ticaret Anonim Sirketi | 2K Sealed Spraying Rotating Propeller |
CN112577252B (en) * | 2019-09-29 | 2023-10-27 | 博西华电器(江苏)有限公司 | Refrigerating appliance and door body thereof |
KR102327687B1 (en) * | 2020-01-13 | 2021-11-17 | 엘지전자 주식회사 | Refrigerator |
CN114279164B (en) * | 2021-12-30 | 2022-11-25 | 珠海格力电器股份有限公司 | Control method of refrigerator and refrigerator with food fresh-keeping and freezing functions |
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US1382837A (en) * | 1921-02-15 | 1921-06-28 | Jurek Martin | Refrigerator-door |
DE3407639A1 (en) * | 1984-03-01 | 1985-09-12 | Gebrüder Kömmerling Kunststoffwerke GmbH, 6780 Pirmasens | CONNECTING ROD, ESPECIALLY FOR WINDOW FRAMES, DOOR FRAMES AND ROLLER SHUTTERS |
DE3716914C1 (en) | 1987-05-20 | 1988-11-17 | Heraeus Voetsch Gmbh | Installation for testing climatic or temperature conditions |
US4897975A (en) * | 1987-10-23 | 1990-02-06 | Odl, Incorporated | Integral door light with glazing stop |
US5111618A (en) * | 1989-12-11 | 1992-05-12 | Ardco, Inc. | Refrigerator door assembly with stylized substantially all glass front |
US5113628A (en) * | 1990-09-20 | 1992-05-19 | Anthony's Manufacturing Company, Inc. | Railless refrigerator display door |
US5910083A (en) * | 1990-09-20 | 1999-06-08 | New Anthony, Inc. | Integral spacer for door rail |
US5363611A (en) * | 1990-09-20 | 1994-11-15 | Anthony's Manufacturing Company, Inc. | Foam rail door |
US5699676A (en) * | 1995-09-29 | 1997-12-23 | True Manufacturing Company, Inc. | Refrigerator unit with lighted door |
DE19818682C1 (en) | 1998-04-27 | 1999-12-23 | Schott Glas | Viewing door for a household appliance |
DE29811084U1 (en) * | 1998-04-27 | 1998-09-24 | Schott Glas, 55122 Mainz | Viewing door for a household appliance |
JP2000130918A (en) * | 1998-10-26 | 2000-05-12 | Sanyo Electric Co Ltd | Cooling storage cabinet |
US6406108B1 (en) * | 1999-11-05 | 2002-06-18 | Specialty Equipment Companies, Inc. | Display case with door-mounted internal lighting |
KR20000018013A (en) * | 2000-01-04 | 2000-04-06 | 김영호 | A refrigerator |
US6367223B1 (en) * | 2000-06-09 | 2002-04-09 | Anthony, Inc. | Display case frame |
US6698154B2 (en) * | 2001-12-14 | 2004-03-02 | Asv Plastics, Inc. | Window trim for recreational vehicles |
-
2005
- 2005-01-20 DE DE202005000923U patent/DE202005000923U1/en not_active Expired - Lifetime
- 2005-11-29 EP EP05822715.8A patent/EP1819972B1/en not_active Not-in-force
- 2005-11-29 ES ES05822715T patent/ES2709892T3/en active Active
- 2005-11-29 JP JP2007541873A patent/JP2008522122A/en active Pending
- 2005-11-29 WO PCT/EP2005/012746 patent/WO2006058707A1/en active Application Filing
- 2005-11-29 US US11/791,628 patent/US7805892B2/en not_active Expired - Fee Related
- 2005-11-29 KR KR1020077011963A patent/KR20070084597A/en not_active Application Discontinuation
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JP2008522122A (en) | 2008-06-26 |
KR20070084597A (en) | 2007-08-24 |
EP1819972A1 (en) | 2007-08-22 |
US20080093957A1 (en) | 2008-04-24 |
ES2709892T3 (en) | 2019-04-22 |
DE202005000923U1 (en) | 2006-04-06 |
US7805892B2 (en) | 2010-10-05 |
WO2006058707A1 (en) | 2006-06-08 |
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