EP1110045B1 - Door of a refrigerator or freezer device with a seal - Google Patents
Door of a refrigerator or freezer device with a seal Download PDFInfo
- Publication number
- EP1110045B1 EP1110045B1 EP99944513A EP99944513A EP1110045B1 EP 1110045 B1 EP1110045 B1 EP 1110045B1 EP 99944513 A EP99944513 A EP 99944513A EP 99944513 A EP99944513 A EP 99944513A EP 1110045 B1 EP1110045 B1 EP 1110045B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- retaining
- nose
- retaining nose
- door
- stub
- 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
Links
- 210000001331 nose Anatomy 0.000 claims abstract 34
- 238000007789 sealing Methods 0.000 claims description 52
- 238000001816 cooling Methods 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 210000003128 head Anatomy 0.000 claims 4
- 238000007710 freezing Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/08—Parts formed wholly or mainly of plastics materials
- F25D23/082—Strips
- F25D23/087—Sealing strips
Definitions
- the invention relates to a door of a refrigerator or freezer or the like with a seal.
- the inside panel forming the inside of the refrigerator or freezer door to provide an undercut retaining groove in which the sealing foot of the door seal pressed in and thus the door seal on the refrigerator or freezer door is attached.
- the sealing foot within the holding groove to open one of the Opening force acting on the sealing foot of the appliance door is at least sufficient
- the holding groove is not only the undercut generating, relatively strongly tapered inlet opening, but
- the sealing foot is also provided with retaining lugs, which are in the installed state Support the sealing foot in the retaining groove on the walls.
- JP-A-10 019 455 is door for a refrigerator or freezer known which one in an undercut groove has seal held with its sealing foot.
- the Sealing foot has an insertion part with hook-like holding lugs, the free end of which is directed away from the insertion part.
- the holding lugs are spaced from the walls of the receiving groove.
- EP 0 599 161 A1 describes a door for a cooling or Freezer known, on which an undercut receiving groove is provided in which a sealing foot belonging to a seal is supported.
- the sealing foot has a barb-like of Jump and opposite a bulge. Either the bulge and the protrusion are under tension arranged in the receiving groove.
- the invention is based on the object, in a door of a refrigerator or freezer with simple structural measures, the disadvantages of the state to avoid technology and a fastening for the sealing foot of the seal in the retaining groove to propose the refrigerator or freezer door, which is as energy-saving as possible Attachment of the sealing foot, but also a sufficient holding force of the Seal foot guaranteed in the receiving groove.
- the stubby holding nose and the holding nose in front of it one have cutting edge, with which they rest on the wall of the holding groove. This ensures in a particularly simple manner that no moisture and air intake via the receiving groove with the sealing foot installed in it the refrigerator compartment of a refrigerator or freezer can take place.
- a particularly high holding force of the sealing foot in the receiving groove on the one hand but at the same time also results in a particularly low assembly force of the sealing foot himself if after a next advantageous embodiment of the subject of the invention it is provided that the stub-like retaining lug an intermediate angle to the Vertical, which essentially twice the intermediate angle of makes up stub-like holding nose upstream holding nose.
- the intermediate angle of the stub-like Holding nose to the vertical is between 50 ° and 70 °, but preferably 62 ° is, while the intermediate angle of the upstream of the stub-like holding nose Holding nose to the vertical is between 25 ° and 40 °, but is preferably 34 °.
- the sealing foot in an undercut, bulging on one side in the direction of the sealing head Holding groove is fixed, it is provided that the stub-like holding nose and her upstream retaining nose in the attached state of the seal of the bulging Side of the holding groove are assigned.
- the stub-like holding nose upstream and the opposite holding nose on the base of the nose reinforced are.
- the stiffening of the retaining lugs on the base of the nose ensures that the Lugs that occur when opening the refrigerator or freezer door Are able to counter opening forces with a sufficient section modulus and thus provide the desired holding force for the seal.
- reinforcement there is a bending of the retaining lug as a result of the opening of the refrigerator door Avoid loading on the door seal.
- an increase in the restoring forces for the retaining lugs is achieved after this the assembly process of the sealing foot in the holding groove in its correct position swivel back the maximum retention force ensuring end position.
- the holding lug opposite the preceding holding lug its free end has a rounding with which it is on the wall of the holding groove is applied.
- the retaining lugs on the wall of the retaining groove with a low preload issue.
- the single figure shows a section of a heat-insulating housing of a cooling device in the region of its cooling chamber opening edge serving to support a magnetic seal, in horizontal section.
- a cooling device 10 is shown in the region of its cooling chamber opening edge.
- the Cooling device 10 has a heat-insulating housing 11 with a heat insulation layer 12, which is not around the opening edge of an access opening to one shown cooling space under a steel sheet cover serving as a magnetic anchor is arranged.
- a door 14 rotatably mounted on door bearings, not shown, which an outer cladding 15 made of sheet steel, a heat insulation layer 16 and one produced by chipless shaping of a plastic circuit board Has inner lining 17.
- the plastic inner lining 17 is in the edge area the door 14 is equipped with a circumferentially arranged holding groove 18, which a narrowed insertion opening 19 and a receiving area 20 arranged downstream thereof which forms an undercut with respect to the insertion opening 19 is extended, the extension being asymmetrical to the edge of the Door 14 facing bulge is executed.
- the undercut holding groove 18 is used to attach a bellows-type magnetic seal 21, which when closed Door 14 at which the access opening, not shown, to a cold room is enclosed Opening edge of the housing 11 rests.
- the magnetic seal 21 is provided with a sealing foot 22, on which has an insertion wedge 23 at its free end, in an extension thereof Wedge flanks, to form an arrowhead-like section, two opposite one another Retaining lugs 24 and 25 are provided, which are barb-like on the sealing base 22 Form projections.
- the two retaining lugs 24 and 25 essentially have the same length, with the bulging portion of the Receiving area 20 facing retaining lug 25 has an edge 26 on which the retaining lug 25 on the bulging wall of the receiving area 20 is applied.
- the retaining lug 25 closes an intermediate angle ⁇ of a vertical V.
- the stub-like retaining lug 27 is with respect to the two retaining lugs 24 and 25 shortened and has a blade-like at its free end Edge 28 with which the retaining lug 27 on the wall of the retaining groove 20, in the transition area the insertion opening 19 to the receiving area 20.
- the distance s the stub-like retaining lug 27 above the base of the lug 25 is such determines that the pivotable part of the retaining lug 25 during the insertion process of the Insertion wedge 23 in the insertion opening 19 below the stub-like holding nose 27 swing in and thus on the outside of the sealing foot wall 22 to minimize the seal foot width can nestle.
- the sealing foot 22 is over Bellows-like walls 29 and 30 elastic with a lateral dimension x offset sealing head 31, which has a tubular receptacle 32 for introducing permanent magnetic strips 33, which in the closed State of door 14 on the steel sheet cover serving as a magnetic anchor 13 stick magnetically.
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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)
Abstract
Description
Die Erfindung betrifft eine Tür eines Kühl- oder Gefriergerätes oder dergleichen mit einer Dichtung.The invention relates to a door of a refrigerator or freezer or the like with a seal.
Zur Befestigung von Türdichtungen an Türen von Kühl- oder Gefriergeräten ist es bekannt, an der die Innenseite der Kühl- oder Gefriergerätetür bildenden Innenverkleidung eine hinterschnittene Haltenut vorzusehen, in welcher der Dichtungsfuß der Türdichtung eingedrückt und somit die Türdichtung an der Kühl- oder Gefriergerätetür befestigt ist. Um für den Dichtungsfuß innerhalb der Haltenut eine der beim Öffnen der Gerätetür auf den Dichtungsfuß einwirkenden Öffnungskraft zumindest ausreichend entgegentretende Haltekraft zu erreichen, ist die Haltenut nicht nur mit einer den Hinterschnitt erzeugenden, relativ stark verjüngten Eintrittsöffnung ausgestattet, sondern zugleich der Dichtungsfuß auch mit Haltenasen versehen, welche sich im Einbauzustand des Dichtungsfußes in der Haltenut an deren Wandungen abstützen. Bei der Auslegung der Haltenut einerseits, aber auch des Dichtungsfußes andererseits, ist dabei darauf zu achten, daß der Dichtungsfuß einerseits sich mit relativ geringem Kraftaufwand in die Haltenut, insbesondere in deren stark verjüngte Zugangsöffnung, einbringen läßt, aber zugleich der Dichtungsfuß innerhalb der Aufnahmenut einen ausreichenden Halt erfährt, um der beim Öffnungsvorgang der Kühl- oder Gefriergerätetür auftretenden Öffnungskraft, welche sich im worst-case-Fall aus der Abrißkraft der am Dichtungskopf der Türdichtung angeordneten Magnetleisten vom Gehäuse eines Kühloder Gefriergerätes und gegebenenfalls aus dem sich im Kühlraum ausbildenden und auf die Tür einwirkenden Unterdruck ergibt, ausreichend entgegenwirken zu können. Um diesen Anforderungen gerecht zu werden, wurden in der Vergangenheit neben einseitig stark ausbauchenden und auf der Ausbauchseite mit einem Hinterschnitt in der Haltenut zusammenwirkenden Dichtungsfüßen auch mehrere, über die Höhe des Dichtungsfußes hintereinander angeordnete, widerhakenähnliche Haltenasen vorgeschlagen. Während der einseitig ausbauchende Dichtungsfuß der Dichtung an der Tür zwar einen ausreichenden Halt verleiht, jedoch nur unter großem Kraftaufwand montierbar ist, vermögen die zur Halterung des Dichtungsfußes in der Aufnahmenut am ersteren angeordneten widerhakenartig wirkenden Haltenasen dem Dichtungsfuß in der Aufnahmenut keine ausreichende Haltekraft zu verleihen.For fastening door seals to doors of refrigerators or freezers, it is known on the inside panel forming the inside of the refrigerator or freezer door to provide an undercut retaining groove in which the sealing foot of the door seal pressed in and thus the door seal on the refrigerator or freezer door is attached. In order for the sealing foot within the holding groove to open one of the Opening force acting on the sealing foot of the appliance door is at least sufficient To achieve opposing holding force, the holding groove is not only the undercut generating, relatively strongly tapered inlet opening, but At the same time, the sealing foot is also provided with retaining lugs, which are in the installed state Support the sealing foot in the retaining groove on the walls. at the design of the retaining groove on the one hand, but also the sealing foot on the other make sure that the sealing foot on the one hand is relatively small Exertion of force in the holding groove, in particular in its strongly tapered access opening, can be introduced, but at the same time the sealing foot within the receiving groove is sufficient Stops at the opening of the refrigerator or freezer door Occurring opening force, which in the worst-case scenario results from the tearing force of the Sealing head of the door seal arranged magnetic strips from the housing of a cooling or Freezer and, if necessary, from the negative pressure acting on the door results in being able to counteract sufficiently. In the past, in order to meet these requirements strong bulging on one side and an undercut on the bulging side the retaining groove cooperating sealing feet also several, over the height of the Sealing foot arranged behind one another, barb-like holding lugs proposed. During the one-sided bulging sealing foot of the seal on the door gives a sufficient hold, but can only be assembled with great effort is able to hold the sealing foot in the receiving groove on the former arranged barb-like holding lugs the sealing foot in the Not give sufficient holding force.
Aus JP-A-10 019 455 ist Tür für ein Kühl-oder Gefriergerät bekannt, welche eine in einer hinterschnittenen Aufnahmenut mit ihrem Dichtungsfuß gehalterte Dichtung aufweist. Der Dichtungsfuß besitzt einen Einführteil mit hakenähnlichen Haltenasen, deren freies Ende vom Einführteil weggerichtet ist. Die Haltenasen sind beabstandt zu den Wandungen der Aufnahmenut angeordnet.From JP-A-10 019 455 is door for a refrigerator or freezer known which one in an undercut groove has seal held with its sealing foot. The Sealing foot has an insertion part with hook-like holding lugs, the free end of which is directed away from the insertion part. The holding lugs are spaced from the walls of the receiving groove.
Ferner ist aus der EP 0 599 161 A1 eine Tür für ein Kühl-oder Gefriergerät bekannt, an welcher eine hinterschnittene Aufnahmenut vorgesehen ist, in der ein zu einer Dichhung gehörender Dichtungsfuß gehaltert ist. Der Dichtungsfuß besitzt einen Widerhahenartigen von- Sprung und gegenüberliegend dazu eine Ausbauchung. Sowohl die Ausbauchung als auch der Vorsprung sind unter Vorspannung in der Aufnahmenut angeordnet.Furthermore, EP 0 599 161 A1 describes a door for a cooling or Freezer known, on which an undercut receiving groove is provided in which a sealing foot belonging to a seal is supported. The sealing foot has a barb-like of Jump and opposite a bulge. Either the bulge and the protrusion are under tension arranged in the receiving groove.
Der Erfindung liegt die Aufgabe zugrunde, bei einer Tür eines Kühl-oder Gefriergeräts mit einfachen konstruktiven Maßnahmen die Nachteile des Standes der Technik zu vermeiden und eine Befestigung für den Dichtungsfuß der Dichtung in der Haltenut der Kühl- oder Gefriergerätetür vorzuschlagen, welche eine möglichst kraftsparende Befestigung des Dichtungsfußes, aber zugleich auch eine ausreichende Haltekraft des Dichtungsfußes in der Aufnahmenut gewährleistet.The invention is based on the object, in a door of a refrigerator or freezer with simple structural measures, the disadvantages of the state to avoid technology and a fastening for the sealing foot of the seal in the retaining groove to propose the refrigerator or freezer door, which is as energy-saving as possible Attachment of the sealing foot, but also a sufficient holding force of the Seal foot guaranteed in the receiving groove.
Diese Aufgabe wird gemäß der Erfindung durch die Merkmale von Anspruch 1 gelöst.This object is achieved according to the invention by the features of claim 1.
Durch die erfindungsgemäße Ausbildung des Dichtungsfußes ist dieser auch ohne Schmiermittel mit in der Großserienfertigung vertretbarem Kraftaufwand in eine an der Innenverkleidung einer Kühl- oder Gefriergerätetür vorgesehenen Haltenut nicht nur wegen ihres pfeilspitzähnlichen Abschnittes eindrückbar, sondern auch deshalb, weil von den beiden hintereinander angeordneten Haltenasen die vorgelagerte beim Eindrückvorgang sich infolge des zwischen den beiden Haltenasen freigesparten Zwischenbereiches völlig an den Körper des Dichtungsfußes anzuschmiegen vermag und somit die Breite des Dichtungsfußes bei dessen Eindrückvorgang in die Haltenut so gering wie möglich gehalten ist. Durch den Wegfall des Schmiermittels tritt beim Montagevorgang der Türdichtung keine unerwünschte und nach dem Montagevorgang zu beseitigende Verschmutzung am Korpus der Kühl- oder Gefriergerätetür auf, wodurch die Montagezeit deutlich herabgesetzt und somit die Herstellzeit der Gerätetür günstig beeinflußt ist. Durch die Anordnung und Ausbildung der Haltenasen einerseits, aber durch deren entspannte Lage innerhalb der Haltenut andererseits ist sichergestellt, daß der Dichtungsfuß den beim Öffnungsvorgang der Kühl- oder Gefriergerätetür im Worst-Case-Fall auftretenden Öffnungskräften eine ausreichende Haltekraft entgegensetzen kann, da durch die entspannte Lage der Haltenasen diese durch ihre über den Zwischenwinkel zu einer Vertikalen festgelegten Stellung zur Wandung der Haltenut zumindest weitestgehend ihre volle Rückhaltekraft entfalten können. Darüber hinaus bietet die stummelartig ausgeführte Haltenase durch ihre im Belastungsfall des Dichtungsfußes ein Wegkippen vermeidende Kürze eine besonders hohe, auf der Seite des Dichtungskopfes notwendige Rückhaltekraft. Da die stummelartige Haltenase am Dichtungsfuß nur einseitig angeordnet ist, behindert deren starre Ausbildung jedoch den Montagevorgang keineswegs.Due to the inventive design of the sealing foot, this is also without Lubricant with a reasonable effort in mass production in one of the Interior lining of a refrigerator or freezer door not only provided holding groove because of their arrowhead-like section, but also because of the two retaining lugs arranged one behind the other during the pressing-in process as a result of the intermediate area saved between the two retaining lugs completely conforms to the body of the sealing foot and thus the width of the sealing foot when it is pressed into the retaining groove is kept as low as possible. By eliminating the lubricant occurs during the assembly process the door seal no undesirable and after the assembly process eliminating dirt on the body of the refrigerator or freezer door the assembly time is significantly reduced and thus the manufacturing time of the appliance door is favorable is influenced. By the arrangement and design of the retaining lugs on the one hand, however on the other hand, their relaxed position within the holding groove ensures that the sealing foot in the opening process of the refrigerator or freezer door In the worst-case scenario, counteract opening forces with sufficient holding force can, because of the relaxed position of the retaining lugs this through their over the Intermediate angle to a vertical fixed position to the wall of the holding groove can at least largely develop their full retention force. Furthermore offers the stub-like holding nose due to its load on the sealing foot a tipping avoidance, a particularly high, on the side necessary retention force of the sealing head. Since the stubby holding nose on Sealing foot is only arranged on one side, but hinders its rigid design the assembly process in no way.
Nach einer bevorzugten Ausführungsform des Gegenstandes der Erfindung ist vorgesehen, daß die stummelartige Haltenase und die ihr vorgelagerte Haltenase eine schneidenartige Kante aufweisen, mit welcher sie an der Wandung der Haltenut anliegen. Hierdurch ist auf besonders einfache Weise sichergestellt, daß kein Feuchtigkeits- und Lufteintritt über die Aufnahmenut mit dem damit montierten Dichtungsfuß in den Kühlraum eines Kühl- oder Gefriergerätes stattfinden kann.According to a preferred embodiment of the subject matter of the invention, that the stubby holding nose and the holding nose in front of it one have cutting edge, with which they rest on the wall of the holding groove. This ensures in a particularly simple manner that no moisture and air intake via the receiving groove with the sealing foot installed in it the refrigerator compartment of a refrigerator or freezer can take place.
Eine besonders hohe Haltekraft des Dichtungsfußes in der Aufnahmenut einerseits, aber gleichzeitig auch eine besonders geringe Montagekraft des Dichtungsfußes ergibt sich, wenn nach einer nächsten vorteilhaften Ausgestaltung des Gegenstandes der Erfindung vorgesehen ist, daß die stummelartige Haltenase einen Zwischenwinkel zu der Vertikalen aufweist, welcher im wesentlichen den zweifachen Zwischenwinkel der stummelartigen Haltenase vorgelagerten Haltenase ausmacht. A particularly high holding force of the sealing foot in the receiving groove on the one hand, but at the same time also results in a particularly low assembly force of the sealing foot himself if after a next advantageous embodiment of the subject of the invention it is provided that the stub-like retaining lug an intermediate angle to the Vertical, which essentially twice the intermediate angle of makes up stub-like holding nose upstream holding nose.
Besonders günstige Werte für die Haltekraft bzw. die Montagekraft des Dichtungsfußes haben sich ergeben, wenn nach einer weiteren bevorzugten Ausführungsform des Gegenstandes der Erfindung vorgesehen ist, daß der Zwischenwinkel der stummelartigen Haltenase zu der Vertikalen zwischen 50° und 70° liegt, aber vorzugsweise 62° beträgt, während der Zwischenwinkel der der stummelartigen Haltenase vorgelagerten Haltenase zu der Vertikalen zwischen 25° und 40° liegt, aber vorzugsweise 34° beträgt.Particularly favorable values for the holding force or the mounting force of the sealing foot have emerged if, according to a further preferred embodiment of the The object of the invention is that the intermediate angle of the stub-like Holding nose to the vertical is between 50 ° and 70 °, but preferably 62 ° is, while the intermediate angle of the upstream of the stub-like holding nose Holding nose to the vertical is between 25 ° and 40 °, but is preferably 34 °.
Gemäß einer weiteren bevorzugten Ausführungsform einer Dichtung, deren Dichtungsfuß in einer hinterschnittenen, einseitig in Richtung des Dichtungskopfes ausbauchenden Haltenut festgesetzt ist, ist vorgesehen, daß die stummelartige Haltenase und die ihr vorgelagerte Haltenase im Befestigungszustand der Dichtung der ausbauchenden Seite der Haltenut zugeordnet sind.According to a further preferred embodiment of a seal, the sealing foot in an undercut, bulging on one side in the direction of the sealing head Holding groove is fixed, it is provided that the stub-like holding nose and her upstream retaining nose in the attached state of the seal of the bulging Side of the holding groove are assigned.
Durch die Zuordnung der stummelartigen Haltenase und der ihr vorgelagerten Haltenase zu der einseitig stark ausbauchenden Seite der Haltenut ergeben sich durch diese Haltenasen Haltekräfte für den Dichtungsfuß innerhalb der Haltenut, welche die im Worst-Case-Fall auftretenden, auf den Dichtungsfuß einwirkenden Öffnungskräfte beim Öffnen der Kühl- oder Gefriergerätetür deutlich überwiegen, so daß die Dichtung dauerhaft in der Haltenut festgesetzt ist.By assigning the stub-like holding nose and the holding nose in front of it to the side of the retaining groove, which bulges strongly on one side, results from this Holding lugs holding forces for the sealing foot within the holding groove, which the in Worst-case opening forces acting on the sealing foot when opening the refrigerator or freezer door clearly outweigh, so that the seal is permanently fixed in the holding groove.
Entsprechend einer nächsten bevorzugten Ausführungsform des Gegenstandes der Erfindung ist vorgesehen, daß die der stummelartigen Haltenase vorgelagerte Haltenase und die ihr gegenüberliegende Haltenase am Nasengrund verstärkt ausgeführt sind.According to a next preferred embodiment of the subject of Invention is provided that the stub-like holding nose upstream and the opposite holding nose on the base of the nose reinforced are.
Durch die Versteifung der Haltenasen an ihrem Nasengrund ist sichergestellt, daß die Haltenasen den beim Öffnungsvorgang der Kühl- oder Gefriergerätetür auftretenden Öffnungskräften ein ausreichendes Widerstandsmoment entgegenzusetzen vermögen und somit die gewünschte Haltekraft für die Dichtung leisten. Durch die Verstärkung wird ein Umbiegen der Haltenase infolge der beim Öffnungsvorgang der Kältegerätetür auf die Türdichtung eingeleitete Belastung vermieden. Gleichzeitig ist durch die Versteifung eine Erhöhung der Rückstellkräfte für die Haltenasen erreicht, um diese nach dem Montagevorgang des Dichtungsfußes in der Haltenut in ihre positionsrichtige, die maximale Rückhaltekraft gewährleistende Endlage zurückzuverschwenken. The stiffening of the retaining lugs on the base of the nose ensures that the Lugs that occur when opening the refrigerator or freezer door Are able to counter opening forces with a sufficient section modulus and thus provide the desired holding force for the seal. By reinforcement there is a bending of the retaining lug as a result of the opening of the refrigerator door Avoid loading on the door seal. At the same time is due to the stiffening an increase in the restoring forces for the retaining lugs is achieved after this the assembly process of the sealing foot in the holding groove in its correct position swivel back the maximum retention force ensuring end position.
Als besonders zweckmäßig im Sinne einer minimierten Montagekraft und einer optimierten Haltekraft für den Dichtungsfuß ist dieser gestaltet, wenn nach einer nächsten vorteilhaften Ausgestaltung des Gegenstandes der Erfindung vorgesehen ist, daß die der vorgelagerten Haltenase gegenüberliegende Haltenase einen Zwischenwinkel zu der Vertikalen von 50° bis 70° aufweist, aber vorzugsweise einen Zwischenwinkel von 57° besitzt.As particularly useful in terms of minimized assembly force and optimized Holding force for the sealing foot is designed if one after another advantageous embodiment of the object of the invention is provided that the the holding lug opposite the holding lug opposite to an intermediate angle the vertical from 50 ° to 70 °, but preferably an intermediate angle of 57 °.
Als besonders günstig für die Montage des Dichtungsfußes hat sich erwiesen, wenn nach einer weiteren bevorzugten Ausführungsform des Gegenstandes der Erfindung vorgesehen ist, daß die der vorgelagerten Haltenase gegenüberliegende Haltenase an ihrem freien Ende eine Abrundung aufweist, mit welcher sie an der Wandung der Haltenut anliegt.It has proven to be particularly favorable for the assembly of the sealing foot if according to a further preferred embodiment of the subject of the invention it is provided that the holding lug opposite the preceding holding lug its free end has a rounding with which it is on the wall of the holding groove is applied.
Gemäß einer letzten bevorzugten Ausführungsform des Gegenstandes der Erfindung ist vorgesehen, daß die Haltenasen an der Wandung der Haltenut mit geringer Vorspannkraft anliegen.According to a last preferred embodiment of the subject of the invention it is provided that the retaining lugs on the wall of the retaining groove with a low preload issue.
Durch eine derartige Maßnahme ist stets sicher vermieden, da Luft bzw. Feuchtigkeit über den in der Haltenut montierten Dichtungsfuß von der Außenatmosphäre in den durch die Kühl- oder Gefriergerätetür verschlossenen Kühlraum eines Kühl- oder Gefriergerätes eintreten kann.Such a measure is always safely avoided because air or moisture via the sealing foot mounted in the retaining groove from the outside atmosphere into the refrigerator compartment of a refrigerator or freezer closed by the refrigerator or freezer door can occur.
Die Erfindung ist in der nachfolgenden Beschreibung anhand eines in der beigefügten Zeichnung vereinfacht dargestellten Ausführungsbeispieles erläutert.The invention is described in the following description with reference to the one in the attached Drawing illustrated simplified embodiment.
Die einzige Figur zeigt ausschnittsweise ein wärmeisolierendes Gehäuse eines Kühlgerätes im Bereich seines zur Auflage einer Magnetdichtung dienenden Kühlraumöffnungsrandes, im Horizontalschnitt.The single figure shows a section of a heat-insulating housing of a cooling device in the region of its cooling chamber opening edge serving to support a magnetic seal, in horizontal section.
Gemäß der einzigen Figur ist in vereinfachter schematischer Darstellung ausschnittsweise
ein Kühlgerät 10 im Bereich seines Kühlraumöffnungsrandes dargestellt. Das
Kühlgerät 10 weist ein wärmeisolierendes Gehäuse 11 mit einer Wärmeisolationsschicht
12 auf, welche um den Öffnungsrand einer Zugangsöffnung zu einem nicht
dargestellten Kühlraum unter einer als magnetischer Anker dienenden Stahlblechabdeckung
angeordnet ist. Zur Abdeckung der Zugangsöffnung ist am wärmeisolierenden
Gehäuse 11 eine an nicht gezeigten Türlagern drehbar gelagerte Tür 14 angeschlagen,
welche eine aus Stahlblech gefertigte Außenverkleidung 15, eine Wärmeisolationsschicht
16 und eine durch spanlose Formgebung einer Kunststoffplatine erzeugte
Innenverkleidung 17 aufweist. Die Kunststoffinnenverkleidung 17 ist im Randbereich
der Tür 14 mit einer umlaufend angeordneten Haltenut 18 ausgestattet, welche
eine verengte Einführöffnung 19 und einen dazu nachgeordneten Aufnahmebereich 20
aufweist, welcher zur Bildung eines Hinterschnittes bezüglich der Einführöffnung 19
erweitert ausgeführt ist, wobei die Erweiterung asymmetrisch durch eine zum Rand der
Tür 14 hin gerichtete Ausbauchung ausgeführt ist. Die hinterschnittene Haltenut 18
dient zur Befestigung einer balgartigen Magnetdichtung 21, welche bei geschlossener
Tür 14 an dem die nicht gezeigte Zugangsöffnung zu einem Kühlraum umgebenden
Öffnungsrand des Gehäuses 11 aufliegt. Zum Zwecke ihrer Befestigung in der Haltenut
18 ist die Magnetdichtung 21 mit einem Dichtungsfuß 22 versehen, an welchem
an seinem freien Ende einen Einführkeil 23 aufweist, in Verlängerung von dessen
Keilflanken, zur Bildung eines pfeilspitzähnlichen Abschnittes, zwei einander gegenüberliegende
Haltenasen 24 und 25 vorgesehen sind, welche am Dichtungsfuß 22 widerhakenartige
Vorsprünge bilden. Die beiden Haltenasen 24 und 25 weisen im wesentlichen
die gleiche Länge auf, wobei die dem stärker ausbauchenden Abschnitt des
Aufnahmebereiches 20 zugewandte Haltenase 25 eine Kante 26 aufweist, an welcher
die Haltenase 25 an der stärker ausbauchenden Wandung des Aufnahmebereiches 20
anliegt. Die Haltenase 25 schließt zu einer Vertikalen V einen Zwischenwinkel α von
34° ein, welcher anhand von Versuchsreihen sich als günstig herausgestellt hat, während
die Haltenase 24 zu der Vertikalen V einen aus Versuchsreihen mit 57° ermittelten
Zwischenwinkel β einschließt. Beide Haltenasen 24 und 25, welche innerhalb des
Aufnahmebereiches 20 in völlig entspannter Anordnung vorgesehen sind, sind an ihrem
Nasengrund zur Verbesserung ihrer Eigensteifigkeit und somit ihrer Haltekraft
verstärkt ausgeführt. Im Abstand s Über der Haltenase 25 ist auf der Seite des stärker
ausbauchenden Abschnittes des Aufnahmebereiches 20 eine weitere hakenähnliche
Haltenase 27 vorgesehen, welche stummelartig ausgeführt ist und welche zur Vertikalen
V einen aus Versuchsreihen sich als günstig darstellenden Zwischenwinkel γ von
62° einschließt. Die stummelartige Haltenase 27 ist bezüglich der beiden Haltenasen
24 und 25 verkürzt ausgeführt und weist an ihrem freien Ende eine schneidenartige
Kante 28 auf, mit welcher die Haltenase 27 an der Wandung der Haltenut 20, im Übergangsbereich
der Einführöffnung 19 zum Aufnahmebereich 20, anliegt. Der Abstand s
der stummelartigen Haltenase 27 über dem Nasengrund der Haltenase 25 ist derart
bestimmt, daß der verschwenkbare Teil der Haltenase 25 beim Einführvorgang des
Einführkeiles 23 in die Einführöffnung 19 unterhalb der stummelartigen Haltenase 27
einschwenken und sich somit an die Außenseite der Dichtungsfußwandung 22 zur Minimierung
der Dichtungsfußbreite anschmiegen kann. Der Dichtungsfuß 22 ist über
balgartig ausgeführte Wandungen 29 und 30 elastisch mit einem seitlich um das Maß
x versetzten Dichtungskopf 31 verbunden, welcher eine schlauchartige Aufnahme 32
zur Einbringung von Permanentmagnetleisten 33 aufweist, welcher im geschlossenen
Zustand der Tür 14 an der als magnetischer Anker dienenden Stahlblechabdeckung
13 magnetisch haften.According to the single figure is a simplified schematic representation of sections
a
Durch die Anordnungen der Haltenasen 24, 25 und 27 zu der Vertikalen V einerseits in
Kombination mit Ausbildung und Formgebung der Haltenasen andererseits ist eine mit
geringem Kraftaufwand montierbar und gleichzeitig mit ausrückender Haltekraft an der
Tür gehalterte Türdichtung bereitgestellt.By arranging the
Claims (9)
- Door (14) of a cooling or freezing appliance (10) or the like with a seal (21), which has a sealing head (31) and a sealing foot (22) which is connected therewith by way of walls (29, 30) and is fixed in an undercut mounting groove (18) of the door (14) and which is arranged to be laterally offset relative to the sealing head (31), the sealing foot having an introducing wedge (23) and being equipped with hook-like retaining noses (24, 25) which are oriented by the free end thereof away from the introducing wedge (23) and are supported at the walls of the mounting groove (18), wherein the sealing foot (22) has at least three hook-like retaining noses (24, 25, 27), which are disposed substantially in relaxed position in the mounting groove (18) and at least two of which retaining noses (24, 25) of substantially equal length are arranged opposite one another adjacent to the introducing wedge (23) and form together therewith a portion of arrow-tip shape, whilst the third retaining nose (27), with its free end facing the sealing head (31), is formed to be stub-like and has a more obtuse intermediate angle (γ) relative to a vertical (V) than the two other retaining noses (24, 25) and that the retaining nose (25) disposed in front of the stub-like retaining nose (27) is capable of being pivoted into an intermediate region provided between these two retaining noses (25, 27).
- Door according to claim 1, characterised in that the stub-like retaining nose (27) and the retaining nose (25) disposed in front thereof have a blade-like edge (26, 28) by which they bear against the wall of the mounting groove (18).
- Door according to claim 1 or 2, characterised in that the stub-like retaining nose (27) has an intermediate angle (γ) relative to the vertical (V) which makes up substantially twice the intermediate angle (α) of the retaining nose (25) disposed in front of the stub-like retaining nose (27).
- Door according to claim 3, characterised in that the intermediate angle (γ) of the stub-like retaining nose (27) lies between 50° and 70°, but preferably 62°, relative to the vertical (V), whereas the intermediate angle (α) of the retaining nose (25) disposed in front of the stub-like retaining nose (27) lies between 25° and 40°, but preferably 34°, relative to the vertical (V).
- Door with a seal, the sealing foot of which is fixed relative to an undercut mounting groove bulging out at one side in the direction of the sealing head, according to one of claims 1 to 4, characterised in that the stub-like retaining nose (27) and the retaining nose (25) disposed in front thereof are associated in the fastening state of the seal (21) with the bulging-out side of the mounting groove (18).
- Door according to one of claims 1 to 5, characterised in that the retaining nose (25), which is disposed upstream of the stub-like retaining nose (27), and the retaining nose (24) disposed opposite thereto are formed to be thickened at the nose base.
- Door according to claim 1 or 6, characterised in that the retaining nose (24) opposite the retaining nose (25) disposed in front has an intermediate angle (β) of 50° to 70°, but preferably an intermediate angle (β) of 57°, relative to the vertical (V).
- Door according to one of claims 1, 6 and 7, characterised in that the retaining nose (24), which is opposite the retaining nose (25) disposed in front, has at its free end a radiusing by which it bears against the wall of the mounting groove (18).
- Door according to one of claims 1 to 8, characterised in that the retaining noses (24, 25, 27) bear against the wall of the mounting groove (18) with a light biasing force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI9930518T SI1110045T1 (en) | 1998-09-04 | 1999-08-25 | Door of a refrigerator or freezer device with a seal |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29815927U DE29815927U1 (en) | 1998-09-04 | 1998-09-04 | Seal for a door of a refrigerator or freezer |
| DE29815927U | 1998-09-04 | ||
| PCT/EP1999/006242 WO2000014466A1 (en) | 1998-09-04 | 1999-08-25 | Seal for a door of a refrigerator or freezer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1110045A1 EP1110045A1 (en) | 2001-06-27 |
| EP1110045B1 true EP1110045B1 (en) | 2003-11-05 |
Family
ID=8062232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99944513A Expired - Lifetime EP1110045B1 (en) | 1998-09-04 | 1999-08-25 | Door of a refrigerator or freezer device with a seal |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP1110045B1 (en) |
| CN (1) | CN1158510C (en) |
| AT (1) | ATE253715T1 (en) |
| BR (1) | BR9913633A (en) |
| DE (2) | DE29815927U1 (en) |
| DK (1) | DK1110045T3 (en) |
| ES (1) | ES2211159T3 (en) |
| IT (2) | ITMI990525U1 (en) |
| PL (1) | PL192591B1 (en) |
| TR (1) | TR200100468T2 (en) |
| WO (1) | WO2000014466A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA16513U (en) | 2003-08-09 | 2006-08-15 | Rehau Ag And Co | Tightening profile for slide cover of cooling apparatus |
| DE10345919B4 (en) * | 2003-10-02 | 2009-11-05 | Lämmermann, Gerd | Insect screen door or window |
| CN1952556B (en) * | 2005-10-21 | 2010-08-25 | 泰州乐金电子冷机有限公司 | Structure of refrigerator door |
| BRPI1101701A2 (en) | 2011-04-18 | 2013-06-11 | Whirlpool Sa | refrigerator sealing system |
| DE102016001025A1 (en) * | 2016-02-01 | 2017-08-03 | Mann + Hummel Gmbh | Filter element of a liquid filter, liquid filter and filter housing |
| JP7137367B2 (en) * | 2018-06-15 | 2022-09-14 | 東芝ライフスタイル株式会社 | refrigerator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3378958A (en) * | 1966-09-21 | 1968-04-23 | Goodrich Co B F | Extrusions having integral portions of different stiffness |
| DE3327692C1 (en) * | 1983-08-01 | 1985-03-14 | Rehau Plastiks Ag + Co, 8673 Rehau | Plastic sealing profile for refrigerated cabinets |
| DE3329086C1 (en) * | 1983-08-11 | 1984-10-25 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Sealing profile |
| JP2999873B2 (en) * | 1991-11-27 | 2000-01-17 | 三洋電機株式会社 | Insulated box door device |
| ES2121914T3 (en) * | 1992-11-27 | 1998-12-16 | Bosch Siemens Hausgeraete | SEALING GASKET FOR THE DOOR OF A REFRIGERATOR OR FREEZER DEVICE. |
| JPH1019455A (en) * | 1996-07-03 | 1998-01-23 | Sanyo Electric Co Ltd | Door device of refrigerator and manufacture of the same |
| JPH10132450A (en) * | 1996-10-30 | 1998-05-22 | Matsushita Refrig Co Ltd | Door of refrigerator |
-
1998
- 1998-09-04 DE DE29815927U patent/DE29815927U1/en not_active Expired - Lifetime
-
1999
- 1999-08-25 EP EP99944513A patent/EP1110045B1/en not_active Expired - Lifetime
- 1999-08-25 ES ES99944513T patent/ES2211159T3/en not_active Expired - Lifetime
- 1999-08-25 CN CNB998103039A patent/CN1158510C/en not_active Expired - Fee Related
- 1999-08-25 BR BR9913633-3A patent/BR9913633A/en not_active IP Right Cessation
- 1999-08-25 DE DE59907653T patent/DE59907653D1/en not_active Expired - Lifetime
- 1999-08-25 DK DK99944513T patent/DK1110045T3/en active
- 1999-08-25 WO PCT/EP1999/006242 patent/WO2000014466A1/en active IP Right Grant
- 1999-08-25 AT AT99944513T patent/ATE253715T1/en not_active IP Right Cessation
- 1999-08-25 PL PL346398A patent/PL192591B1/en not_active IP Right Cessation
- 1999-08-25 TR TR2001/00468T patent/TR200100468T2/en unknown
- 1999-08-26 IT IT1999MI000525U patent/ITMI990525U1/en unknown
- 1999-08-26 IT IT1999MI001836A patent/ITMI991836A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE59907653D1 (en) | 2003-12-11 |
| ITMI991836A1 (en) | 2001-02-26 |
| DK1110045T3 (en) | 2004-03-15 |
| DE29815927U1 (en) | 1998-12-24 |
| PL346398A1 (en) | 2002-02-11 |
| TR200100468T2 (en) | 2001-07-23 |
| ATE253715T1 (en) | 2003-11-15 |
| BR9913633A (en) | 2001-05-22 |
| WO2000014466A1 (en) | 2000-03-16 |
| CN1158510C (en) | 2004-07-21 |
| EP1110045A1 (en) | 2001-06-27 |
| ITMI991836A0 (en) | 1999-08-26 |
| CN1321237A (en) | 2001-11-07 |
| ES2211159T3 (en) | 2004-07-01 |
| PL192591B1 (en) | 2006-11-30 |
| ITMI990525V0 (en) | 1999-08-26 |
| ITMI990525U1 (en) | 2001-02-26 |
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