EP2511632B1 - Appareil de réfrigération et/ou de congélation - Google Patents

Appareil de réfrigération et/ou de congélation Download PDF

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Publication number
EP2511632B1
EP2511632B1 EP12002062.3A EP12002062A EP2511632B1 EP 2511632 B1 EP2511632 B1 EP 2511632B1 EP 12002062 A EP12002062 A EP 12002062A EP 2511632 B1 EP2511632 B1 EP 2511632B1
Authority
EP
European Patent Office
Prior art keywords
door
cam
seal
unit
doors
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.)
Active
Application number
EP12002062.3A
Other languages
German (de)
English (en)
Other versions
EP2511632A2 (fr
EP2511632A3 (fr
Inventor
Richard Stocker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liebherr Hausgeraete Lienz GmbH
Original Assignee
Liebherr Hausgeraete Lienz GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liebherr Hausgeraete Lienz GmbH filed Critical Liebherr Hausgeraete Lienz GmbH
Publication of EP2511632A2 publication Critical patent/EP2511632A2/fr
Publication of EP2511632A3 publication Critical patent/EP2511632A3/fr
Application granted granted Critical
Publication of EP2511632B1 publication Critical patent/EP2511632B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/087—Sealing strips
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/021—French doors

Definitions

  • Such refrigerators and / or freezers are known as so-called French-door devices.
  • the said seals have the task of sealing the area between the two opposing opening doors.
  • seals are usually provided which seal the area between the body and the door.
  • a problem with such devices is that when opening a door as well as when closing a door under certain circumstances, a friction of the seals comes together, on the one hand makes it difficult to open and close the door and the other is undesirable in that this is can negatively affect the life of the seals. It is therefore essential that the said door seals in the closed state of the doors take over the desired sealing function between the doors, but as soon as a door is opened or closed, this closing operation or opening operation should not hinder as possible. This would have disadvantages, especially when using self-closing systems, since they do not have large closing forces, so that under some circumstances a door may not close properly.
  • the present invention is therefore the object of developing a refrigerator and / or freezer of the type mentioned in such a way that the easiest possible closing and opening the doors is guaranteed.
  • the seal of at least one door is movable to a second position in which it at least partially has a greater distance from the seal of the other door, as in the first position of the seals.
  • at least one cam is provided, which is arranged so that it is moved when opening and closing the door. This cam communicates with both the door and the gasket so as to move the gasket from its first to its second position when the door is opened from the closed position.
  • the seal is preferably moved by the cam from the second to the first position. The cam is thus arranged so that it is moved when at least one of the doors of the device is opened from its closed position or moved from an open position to the closed position.
  • This cam thus undergoes a movement which transfers it in a suitable manner to the relevant door seal.
  • the cam and the seal are in communication with each other such that the cam, when it reaches the closed position of the doors, moves the seal to its first position in which it sealingly communicates with the seal of the other door. If one or both of the doors is opened starting from this position, immediately at the beginning of the opening process or at least at a certain opening angle of the door, a movement of the cam (s) occurs and thus also a movement of the seal (s) such that the Seal (s) is moved from its first to the second position in which they have a greater distance from each other than in the state of two closed doors.
  • the cam causes at least one seal of the door to be moved away from the other seal when at least one door is opened. It is preferably provided that the seals and cams of both doors are moved when starting from the closed position of both doors one or both doors are opened. In this way, it is possible to open a door of the device with little effort and close. In addition, it ensures that there is no or only a slight friction between the seals when a door is opened and closed.
  • the seal is arranged such that it can be pivoted about an axis. It is thus conceivable, for example, that a receptacle is provided on the door or on a door profile, in which the seal in a Area is received in such a way that it is pivotally or rotatably received in this recording.
  • the cam is arranged such that it is pivotable about an axis.
  • the cam is arranged pivotable or rotatable. This pivotal movement executes the cam when a door or both doors are opened or closed from the closed position of both doors.
  • the pivoting movement of the cam is transmitted to the seal due to the connection between the cam and the seal, in that it also performs a pivotal movement whereby the seal, upon opening the door, is moved to its second position, i. is moved to a parking position.
  • the axis about which the cam is pivotable, in its position is variable.
  • a door gap between the variable-sized doors can be covered. It is conceivable, for example, to cover a door gap which lies in the range between 6 and 9 mm, if necessary + 1 mm Dichtseigenhub.
  • the cam is firmly connected to the seal.
  • the cam and the seal have a common pivot point, that is, are pivotable or rotatable about a common axis.
  • the cam is in its first position when the door is closed and is in its second position when the door is opened starting from this position. Furthermore, it can be provided that the cam and the seal are in communication with each other so that the cam moves the seal from its first to its second position when the cam is in turn moved from its first to the second position.
  • the cam is arranged such that it protrudes beyond the front side of the door at least in its second position and / or is moved further away from the door in its second position at least with its contact area than in its first position.
  • the cam may have at least one contact portion, with which the cam in the closed state of the doors is in contact with a further element, preferably with the cam of the other door.
  • a further element preferably with the cam of the other door.
  • the axis is about which the cam is pivotable.
  • At least one spring is provided, which exerts a force on the cam and / or directly on the seal.
  • This spring can be arranged on the one hand on the door or on a door profile and on the other hand cooperate with the cam.
  • the spring is arranged so that the cam is acted upon in the direction of its second position with a force.
  • FIG. 1 shows by the reference numeral 10, 10 'two doors of a French-door device, which can be opened in opposite directions to each other.
  • the doors are each articulated with their side area, not shown, on the body of the device.
  • the doors each consist of an outer door or an outer area 12, 12 ', for example made of metal or sheet metal, and an inner door or an inner area 14, 14'.
  • one or more door racks can be fastened to this inner region 14, 14 '.
  • FIG. 3 the cams 30, 30 'are pivotally mounted on the door.
  • the reference numeral 32 is in FIG. 3 the corresponding pivot axis of the cam 30 marked.
  • the cam 30 has the FIG. 1 apparent contact portion 34, with the cam 30 when moving the door in its closed position from below a certain opening angle with another element, preferably with the cam 30 'of the other door 10' comes into contact.
  • FIG. 3 shows the door 10 of a French door device, the other door 10 'is open.
  • a fixing portion, for example, a bolt or the like of the cam 30 is characterized, as shown FIG. 3 can be seen in a receiving area 22 of the seal 20 is added.
  • This portion 36 of the cam 30 thus serves as a driver and causes the seal 20 is moved when the cam 30 in turn undergoes a movement.
  • the seal 20 of one or both doors 10, 10 ' is preferably designed as an extrusion profile and has a softer part and a contrast hardening part.
  • the softer part of the seal 20 is designated by the reference numeral 24 and preferably serves as a sealing part, which forms a sealing connection to the seal 20 'of the other door.
  • In this part of the seal can also be arranged at least one chamber 25 in which there may be a magnet which, in interaction with the correspondingly formed seal 20 'of the other door 10' attracts them and thus ensures a tight connection between the doors.
  • the harder part of the seal 20 is denoted by the reference numeral 26 and forms a pivot bearing of the seal 20, the in FIG. 3 also designated by the reference numeral 26.
  • the seal 20 is thus rotatably mounted about the axis 26.
  • the receptacle 22 of the seal 20 may be formed as a harder part of the seal 20, since this must ensure that the seal 20 of the movement of the cam 30 follows.
  • the door 10 may have a profile which is designated by the reference numeral 100 and which forms the receptacles for the section 26 of the seal 20 and also the receptacle for the axis of rotation 32 of the cam 30. Conceivable it is also that the rotation axis 32 part of the door profile 100 and is in communication with the cam 30 and with a recess of the cam 30.
  • the axes of rotation or the receptacles provided for the axes of rotation may be arranged alternatively or additionally on one or more covering profiles, which are e.g. form the top cover of the door 10.
  • the reference numeral 40 is in FIG. 3 a spring, which is also arranged in or on the door profile 100 and / or in said cover.
  • This spring 40 acts on the cam 30 so that it is moved away with its contact portion 32 of the door 10, in the position that in FIG. 3 is apparent.
  • door 10 applies accordingly for in FIG. 3 not shown door 10 ', which has said components in a mirror image arrangement.
  • FIG. 3 shows the position of the cam 30 and the seal 20, in a state in which one or both doors are opened.
  • the cams 30, 30 ' both in the open door 10' and in the closed door 10 by the spring tension from the respective receiving the doors 10, 10 'are pushed.
  • the seals 10, 10' By the corresponding mounting of the cams 30, 30 'in the receiving parts of the profile 100 and the engagement in the receptacle 22 of the French-door coextrusion profile, the seals 10, 10' thereby in the respective parking position, that is pushed into the second position. This second position ensures that there is no interference contour in the area of the closed door 10 during the closing operation of the door 10 '.
  • the contact portion 34 of the cam 30 occurs from a certain closing angle of the door 10 with the cam 30 'or with the contact region of the other door 10' in connection, which leads to the in FIG. 3 shown cam 30 is pivoted counterclockwise about the axis 32.
  • This causes the seal 20, which is in communication with the cam 30 via the elements 22, 36, to be inferior to that in FIG FIG. 3 shown second position is pivoted counterclockwise in the first position.
  • a corresponding process takes place two doors, ie in the closed as well as in the door to be closed 10, 10 '.
  • the seals have a small stroke range of +/- 1 mm in order to avoid damage or to compensate for any tolerances. It is particularly advantageous if the cam system is designed to be flexible in that the cams 30, 30 'have a variable pivot point 32. As a result, a variable door gap can be covered. It is conceivable, for example, a door gap in the order of 6 - 9 mm + 1 mm Dichtseigenhub cover.
  • FIG. 2 shows the position of the cams 30, 30 'and the seal 20, 20', in the state in which both doors 10, 10 'are closed.
  • the two cams 30, 30 ' communicate with each other with their respective contact regions 34.
  • Each of the cams 30, 30 ' is thus pressed by the respective other cam 30, 30' against the force of the spring 40, that is, to the respective door 10, 10 'moves, resulting in that the two seals 20, 20' through Pivoting are moved toward each other, so that there is a sealing connection between the doors.
  • FIG. 2 In this figure, the right door 10 is shown cut. Out FIG. 2 goes in the right door 10, the lower cam 30 out, the spring 40 according to FIG. 2 biased to the left.
  • the present invention thus also relates to a refrigerator and / or freezer with such a door closing system.

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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)

Claims (15)

  1. Appareil de réfrigération et/ou de congélation avec
    un corps, qui délimite un espace intérieur réfrigéré, ainsi
    qu'une première et une seconde porte (10, 10') s'ouvrant en sens contraire, articulées au niveau du corps, au moyen desquelles l'espace intérieur peut être fermé, dans lequel
    les portes (10, 10') sont réalisées respectivement avec un joint d'étanchéité (20, 20'), et
    les joints d'étanchéité (20, 20') sont disposés dans une première position, qu'ils adoptent dans l'état fermé des portes (10, 10') de telle manière qu'ils étanchéifient la zone entre les portes (10, 10'),
    le joint d'étanchéité (20, 20') d'au moins une porte (10, 10') peut être déplacé dans une deuxième position, dans laquelle il présente par rapport au joint d'étanchéité (20, 20') de l'autre porte (10, 10') au moins par endroits un espacement plus important que dans la première position des joints d'étanchéité (20, 20'), et
    une came (30, 30') est prévue, qui est disposée de telle manière qu'elle est déplacée lors de l'ouverture et de la fermeture de la porte (10, 10'), dans lequel
    la came (30, 30') est en liaison à la fois avec la porte (10, 10') et avec le joint d'étanchéité (20, 20') de telle manière qu'elle déplace le joint d'étanchéité (20, 20') de sa première dans sa deuxième position quand la porte (10, 10') est ouverte, et
    le joint d'étanchéité (20, 20') est disposé de telle manière qu'il peut être pivoté autour d'un axe (26),
    caractérisé en ce que
    l'axe (26), autour duquel le joint d'étanchéité (20, 20') peut être pivoté, peut être modifié dans sa position.
  2. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que la came (30, 30') est disposée de telle manière qu'elle peut être pivotée autour d'un axe (32).
  3. Appareil de réfrigération et/ou de congélation selon la revendication 2, caractérisé en ce que l'axe (32), autour duquel la came (30, 30') peut être pivotée, peut être modifié dans sa position.
  4. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que la came (30, 30') est reliée de manière solidaire au joint d'étanchéité (20, 20') et présente un point de rotation commun.
  5. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que la came (30, 30') se trouve dans sa première position quand la porte (10, 10') est fermée et se trouve dans sa deuxième position quand la porte (10, 10') est ouverte.
  6. Appareil de réfrigération et/ou de congélation selon la revendication 5, caractérisé en ce que la came (30, 30') et le joint d'étanchéité (20, 20') sont en liaison l'un avec l'autre de telle manière que la came (30, 30') déplace le joint d'étanchéité (20, 20') depuis sa première position dans sa deuxième position, quand la came (30, 30') est déplacée depuis sa première position dans sa deuxième position, et inversement.
  7. Appareil de réfrigération et/ou de congélation selon la revendication 5 ou 6, caractérisé en ce que la came (30, 30') est disposée de telle manière qu'elle dépasse au moins dans sa deuxième position du côté frontal de la porte (10, 10') et/ou est éloignée au moins par endroits davantage de la porte (10, 10') dans sa deuxième position que dans sa première position.
  8. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que la came (30, 30') présente au moins une section de contact, avec laquelle la came (30, 30') est en contact, dans l'état fermé des portes (10, 10'), avec un autre élément, de préférence avec la came (30, 30') de l'autre porte (10, 10').
  9. Appareil de réfrigération et/ou de congélation selon la revendication 8, caractérisé en ce que l'axe (32) autour duquel la came (30, 30') peut être pivotée se trouve entre le section de contact de la came (30, 30') et la zone, dans laquelle la came (30, 30') est en liaison avec le joint d'étanchéité (20, 20').
  10. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce qu'est prévu au moins un ressort, qui exerce une force sur la came (30, 30') et/ou directement sur le joint d'étanchéité (20, 20').
  11. Appareil de réfrigération et/ou de congélation selon la revendication 10 ainsi que selon l'une quelconque des revendications 6 à 10, caractérisé en ce que le ressort est disposé de telle manière que la came (30, 30') est soumise à l'action d'une force en direction de sa deuxième position.
  12. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que l'appareil présente au moins un mécanisme, au moyen duquel une porte (10, 10') ouverte peut être déplacée dans une position de fermeture.
  13. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que les joints d'étanchéité (20, 20') et les cames (30, 30') sont disposés au niveau des deux portes (10, 10') de manière symétrique en miroir les uns par rapport aux autres.
  14. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que les cames (30, 30') des deux portes (10, 10') sont déplacées quand une ou quand deux des portes (10, 10') sont ouvertes.
  15. Appareil de réfrigération et/ou de congélation selon l'une quelconque des revendications précédentes, caractérisé en ce que les joints d'étanchéité (20, 20') des deux portes (10, 10') sont déplacés quand une ou quand deux des portes (10, 10') sont ouvertes.
EP12002062.3A 2011-04-13 2012-03-23 Appareil de réfrigération et/ou de congélation Active EP2511632B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011016915 2011-04-13
DE102011100042A DE102011100042A1 (de) 2011-04-13 2011-04-29 Kühl- und/oder Gefriergerät

Publications (3)

Publication Number Publication Date
EP2511632A2 EP2511632A2 (fr) 2012-10-17
EP2511632A3 EP2511632A3 (fr) 2017-05-10
EP2511632B1 true EP2511632B1 (fr) 2019-05-01

Family

ID=45932112

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12002062.3A Active EP2511632B1 (fr) 2011-04-13 2012-03-23 Appareil de réfrigération et/ou de congélation

Country Status (4)

Country Link
US (1) US9046297B2 (fr)
EP (1) EP2511632B1 (fr)
DE (1) DE102011100042A1 (fr)
ES (1) ES2739274T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9709316B2 (en) * 2013-02-07 2017-07-18 Whirlpool Corporation Spring loaded mullion for french door refrigerator
US9052135B2 (en) * 2013-08-21 2015-06-09 True Manufacturing Company, Inc. Refrigerator cooler with magnetic french door gaskets and method of manufacture
DE102015016183A1 (de) 2015-12-14 2017-06-14 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
DE102016000369A1 (de) * 2015-12-14 2017-06-14 Liebherr-Hausgeräte Lienz Gmbh Kühl- und/oder Gefriergerät
CN108679909A (zh) * 2018-03-28 2018-10-19 青岛海尔股份有限公司 开门装置和具有其的冰箱
WO2022167223A1 (fr) * 2021-02-08 2022-08-11 Liebherr-Hausgeräte Lienz Gmbh Dispositif de refroidissement et/ou de congélation
US20230235944A1 (en) * 2022-01-26 2023-07-27 Brian S. Kim Cooling Unit

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US1918911A (en) * 1931-12-24 1933-07-18 Rex Mfg Co Inc Refrigerator cabinet
US2692809A (en) * 1952-02-21 1954-10-26 Gen Motors Corp Refrigerating apparatus
US2723896A (en) * 1952-02-21 1955-11-15 Gen Motors Corp Refrigerator door seal
DE1709409U (de) * 1953-04-21 1955-10-27 Gen Motors Corp Dichtungsvorrichtung fuer kuehlschraenke.
US2767040A (en) * 1954-02-15 1956-10-16 Gen Motors Corp Refrigerating apparatus
US2859495A (en) * 1955-12-05 1958-11-11 Gen Electric Refrigerator cabinet including closure sealing means
US3077644A (en) * 1960-08-19 1963-02-19 Gen Motors Corp Refrigerating apparatus
US3248159A (en) * 1964-03-05 1966-04-26 Goodrich Co B F Magnet-containing seal for closures
DE1709409C2 (de) 1968-08-16 1974-08-29 Kurt 6651 Blickweiler Mechel Einrichtung zum Einbau handelsüblicher elektrischer Schalter und Steckdosen in versetzbare Trennwände. Ausscheidung aus: 1784535
US4428153A (en) * 1982-03-08 1984-01-31 Atlanta Richfield Company Recessed astragal for double door
CA2205157C (fr) * 1997-05-12 2002-03-26 Camco Inc. Dispositif d'etancheite pour portes de refrigerateur juxtaposees
US7178293B2 (en) * 2004-03-29 2007-02-20 Lg Electronics Inc. Gasket having elastic connection portion for refrigerator doors
US7823331B2 (en) * 2005-11-16 2010-11-02 Holm Industries, Inc. French door seal having a magnetic pair

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
ES2739274T3 (es) 2020-01-30
EP2511632A2 (fr) 2012-10-17
US9046297B2 (en) 2015-06-02
DE102011100042A1 (de) 2012-10-18
US20120262047A1 (en) 2012-10-18
EP2511632A3 (fr) 2017-05-10

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