EP2631575B1 - Refrigerator - Google Patents

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Publication number
EP2631575B1
EP2631575B1 EP13155914.8A EP13155914A EP2631575B1 EP 2631575 B1 EP2631575 B1 EP 2631575B1 EP 13155914 A EP13155914 A EP 13155914A EP 2631575 B1 EP2631575 B1 EP 2631575B1
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EP
European Patent Office
Prior art keywords
sliding door
damping
carriage
arrangement
cylinder
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
EP13155914.8A
Other languages
German (de)
French (fr)
Other versions
EP2631575A3 (en
EP2631575A2 (en
Inventor
Paul Isfort
Thomas Borowski
Erik Möller
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.)
Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
Original Assignee
Remis Gesellschaft fuer Entwicklung und Vertrieb von Technischer Elemente mbH
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Publication of EP2631575A2 publication Critical patent/EP2631575A2/en
Publication of EP2631575A3 publication Critical patent/EP2631575A3/en
Application granted granted Critical
Publication of EP2631575B1 publication Critical patent/EP2631575B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/021—Sliding doors
    • 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
    • A47F3/043—Doors, covers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/003—Braking devices, e.g. checks; Stops; Buffers for sliding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
    • E05F1/025—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights with rectilinearly-moving counterweights
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/448—Fluid motors; Details thereof
    • E05Y2201/458—Valves
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/64—Carriers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/456—Mounting location; Visibility of the elements in or on a suspension member
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets
    • E05Y2900/202—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets for display cabinets, e.g. for refrigerated cabinets

Definitions

  • the invention relates to a refrigerator with a cabinet body with an access opening lying essentially in a vertical plane, in which a sliding door arrangement is arranged.
  • the next publication DE 20 2008 008006 U1 discloses a refrigerator with a sliding door arrangement, wherein the sliding door elements are each connected to carriages that run in a mounting rail. Furthermore, a damping arrangement is provided which has a damping cylinder and a damping piston, by means of which the closing movement of the relevant sliding door element is damped.
  • the damping arrangement is essentially provided in a vertical frame post of the refrigerated cabinet.
  • JP 2009 191469 A discloses a sliding door arrangement according to the preamble of claim 8.
  • the object of the invention is to provide a refrigerator with a sliding door arrangement with a simple and effective damping arrangement or a corresponding retrofittable sliding door arrangement.
  • the refrigerator according to the invention has a cabinet body with an access opening lying essentially in a vertical plane.
  • a sliding door arrangement is arranged in the vertical access opening and has at least one sliding door element which is provided so as to be displaceable in the transverse direction in the vertical plane of the access opening.
  • at least two sliding door elements are preferably arranged in the access opening, the two sliding door elements being offset in relation to one another in depth, so that they can be brought against one another in part or completely by shifting in the transverse direction.
  • the sliding door arrangement has a horizontal mounting rail which is attached to the cabinet body either at the bottom or preferably at the top in the vertical plane of the access opening.
  • the sliding door element has a horizontal carriage with rollers that run on or in the mounting rail. In the case of a mounting rail arranged at the top of the cabinet body, the sliding door element therefore hangs on the carriage which runs in the mounting rail in the transverse direction.
  • the sliding door arrangement has a damping arrangement which is connected on the one hand to the carriage and on the other hand to the cabinet body and which dampens the closing movement of the sliding door element.
  • the damping arrangement in turn has a horizontal damping cylinder in which a damping piston is slidably arranged.
  • the damping cylinder and / or the damping piston has a valve element which the cylinder space enclosed by the damping cylinder and the damping piston during the sliding door opening movement ventilated and less or not ventilated during the sliding door closing movement. So it is a so-called check valve element.
  • the damping arrangement is therefore largely ineffective during the opening movement, and essentially only acts during the closing movement.
  • the horizontal axial length of the damping cylinder can, for example, be approximately as long as the sliding door element is wide. In this way, the entire closing movement can be damped by the damping arrangement when the sliding door element is fully open. This ensures a smooth and smooth closing movement of the sliding door element, regardless of whether the closing movement is supported or driven by a closing device or is carried out manually.
  • the carriage is formed by a profile body on which the rollers are rotatably fastened, the damping cylinder being an integral part of the one-piece profile body.
  • the profile body can, for example, be an extruded aluminum profile body which has a vertical web to which the rollers are rotatably fastened, and which, adjoining the vertical web below, has a cylinder body which forms the damping cylinder.
  • the damping piston is preferably arranged at the end of a piston rod, the other free end of which is connected directly or indirectly to the cabinet body.
  • the Sliding door arrangement on a vertical frame post at the upper end of which it is connected to the mounting rail, the fixed side of the damping arrangement being fastened to the frame post.
  • the two vertical frame posts at the two longitudinal ends of the mounting rail and the mounting rail together form a mounting frame of the sliding door arrangement.
  • the support frame can be supplemented by a second horizontal rail at the lower end of the frame post, so that the support frame is a closed rectangular frame.
  • the damping piston has an elastic annular lip body as a valve element.
  • the ring lip body lies against the inner wall of the damping cylinder and, viewed in cross section, has an axial orientation in the opening device, that is to say it forms a lip folded over in the opening direction.
  • the ring lip body is lifted radially inward during the opening movement, so that the air from the shrinking displacement can flow past the damping piston.
  • the pressure difference ensures that the circular ring lip body is pressed radially outwards, so that the air cannot escape from the closed displacement or only very slowly.
  • the damping cylinder and / or the damping piston preferably has a throttle valve, through which the air can escape throttled from the displacement during the closing movement.
  • a mechanical locking device is preferably provided, which pushes the opened door element into the closed position.
  • the locking device can be implemented in various technical ways, for example by spring force, compressed air or a pull weight.
  • the locking device particularly preferably has one fastened to the carriage Traction cable on, wherein the traction cable is deflected into the vertical by a traction cable deflection, which is arranged in the corner region connecting the mounting rail and the frame post, and a traction weight is fastened in the frame post at the end of the traction cable.
  • the one end of the traction cable attached to the carriage is deflected downwards from the horizontal to the vertical by the traction cable deflection in the corner region.
  • the pull weight which can move vertically up and down in a cavity of the vertical frame post, hangs on the vertical pull rope section.
  • the locking device is designed to be structurally and functionally completely separate from the damping arrangement, so that undesired interactions between the locking device and the damping arrangement are excluded.
  • the sliding door element can preferably be fastened to the carriage so that it can pivot about a vertical axis, so that the sliding door element can be pivoted in the sliding function closed position.
  • the free end of the piston rod is pivotally fastened to the cabinet body or the vertical frame post with a pivot joint coaxial to the sliding door pivot axis.
  • a refrigerator 10 is shown, which can also be referred to as a cooling shelf.
  • Characteristic of the refrigerator 10 is a rectangular and towering cabinet body 12 with a front access opening 14 lying essentially in a vertical plane. In the cooled interior of the cabinet body 12, several horizontal shelves can be provided, on which refrigerated goods can be stored and presented.
  • a sliding door arrangement 20 is arranged in the vertical access opening 14 and was retrofitted after the refrigerator 10 had been installed. It is therefore a retrofittable sliding door arrangement 20.
  • the sliding door arrangement 20 has a rectangular frame which is formed at the top by a horizontal support profile 22, laterally by two vertical frame posts 24 and at the bottom by a horizontal foot profile 21. All of the above parts of the frame are essentially extruded aluminum profiles.
  • the two support rails 26 are offset in depth from one another in the support profile 22 and are arranged directly one behind the other.
  • Each sliding door element 40, 41 has a transparent glass pane 42.
  • Each mounting rail 26 has a longitudinal slot 27 in a lower horizontal wall 29, which extends over the entire width of the access opening 14.
  • a carriage 30 is slidably suspended, which is approximately in the transverse direction Width of a sliding door element 40.41 extends.
  • Each sliding door element 40, 41 is suspended from a carriage 30 by two supporting bolts 44.
  • the structure of a carriage 30 is particularly shown in Figure 3 shown.
  • the carriage 30 is essentially formed by an extruded aluminum profile body 31, which has a vertical web 32 at the top, on which a plurality of rollers 28 which are rotatable about a horizontal axis are mounted.
  • the vertical web 32 projects vertically through the longitudinal slot 27 of the mounting rail 26.
  • a hollow cylinder 34 adjoins the vertical web 32 below the longitudinal slot 27 and forms a damping cylinder 62 of a damping arrangement 60.
  • Below the hollow cylinder 34 is a support structure 36, to which the two support bolts 44 are fixed, which hold the relevant sliding door element 40, 41.
  • the damping arrangement 60 is essentially formed by the damping cylinder 62, the damping piston 64, the valve element 68 on the damping piston 64 and the piston rod 70 holding the damping piston 64.
  • the piston rod 70 is formed by a hollow cylinder body 72, on the free end of which the damping piston 64 including an annular lip body 69 is arranged.
  • the annular lip body 69 acts as a non-return valve element 68 and is open when the sliding door element 40 is opened and closed when the sliding door element 40 is closed.
  • the damping cylinder 62, the damping piston 64 and an end cap 80 which closes the hollow cylinder 34 on the longitudinal side, enclose a displacement 67.
  • the air from the displacement 67 can pass the circular annular lip body 69 when the sliding door element 40, 41 opens the displacement 67 flow.
  • the end cap 80 has a throttle valve 82 through which air can flow in and out of the displacement 67 in both directions.
  • the displacement 67 is vented essentially exclusively by the throttle valve 82.
  • the design of the throttle valve 82 determines the degree of damping of the damping arrangement 60 during a closing movement of the relevant sliding door element 40, 41.
  • a guide ring 78 is provided, which serves to center the piston rod 70 in the damping cylinder 62.
  • the piston rod 70 has a plug-in body 74 which is inserted and fixed in the piston rod and is fastened to a mounting bracket 76 which in turn is fastened to the mounting rail 26.
  • the sliding door arrangement 20 also has a separate closing device 26, which is essentially formed by a pull cable 52, a pull cable deflection 56 and a pull weight 54.
  • the pull rope 52 is fixed to the carriage 30 at the end of its horizontal section.
  • the traction cable 52 is deflected by the traction cable deflection 56 by 90 ° in a downward direction.
  • the pull weight 54 is fixed and suspended, which can move vertically in a cavity 56 of the vertical frame post 24.
  • the traction cable deflection 56 has a deflection disc which is rotatably suspended in the corner region of the frame.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Description

Die Erfindung bezieht sich auf einen Kühlschrank mit einem Schrankkörper mit einer im Wesentlichen in einer vertikalen Ebene liegenden Zugriffsöffnung, in der eine Schiebetür-Anordnung angeordnet ist.The invention relates to a refrigerator with a cabinet body with an access opening lying essentially in a vertical plane, in which a sliding door arrangement is arranged.

Kühlschränke im gewerblichen Bereich weisen häufig Schiebetüren auf, für die zum Öffnen der Türen vor dem Kühlschrank weniger Platz benötigt wird, als bei Schwenktüren. Ferner wird durch Schiebetüren, im Gegensatz zu Schwenktüren, beim Öffnen und Schließen kein Druckgefälle zwischen dem Kühlraum und der Umgebung erzeugt, so dass beim Öffnen und Schließen weniger Kälte aus dem Kühlraum entweicht.Commercial refrigerators often have sliding doors for which less space is required to open the doors in front of the refrigerator than with swing doors. Furthermore, unlike swing doors, sliding doors do not generate a pressure drop between the cooling compartment and the surroundings when opening and closing, so that less cold escapes from the cooling compartment when opening and closing.

Nachdem Waren aus dem Kühlraum entnommen sind, muss die Schiebetür wieder zugeschoben werden, was manuell erfolgt oder durch eine entsprechende Schließeinrichtung erzwungen wird. Allerdings soll ein heftiges Anschlagen der Schiebetür beim Schließen in die Schließposition möglichst vermieden werden. Es werden im Stand der Technik daher Dämpfungsanordnungen eingesetzt, die insbesondere in der finalen Schießphase die Schließbewegung abbremsen.After goods have been removed from the cold room, the sliding door must be closed again, which is done manually or by an appropriate locking device. However, violent slamming of the sliding door when closing in the closed position should be avoided as far as possible. In the prior art, damping arrangements are therefore used which slow down the closing movement, in particular in the final shooting phase.

Die nächstkommende Druckschrift DE 20 2008 008006 U1 offenbart einen Kühlschrank mit einer Schiebetüranordnung, wobei die Schiebetür-Elemente jeweils mit Laufwagen verbunden sind, die In einer Tragschiene laufen. Ferner Ist eine Dämpfungsanordnung vorgesehen, die einen Dämpfungszylinder und einen Dämpfungskolben aufweist, durch die die Schließbewegung des betreffenden Schiebetür-Elements gedämpft wird.The next publication DE 20 2008 008006 U1 discloses a refrigerator with a sliding door arrangement, wherein the sliding door elements are each connected to carriages that run in a mounting rail. Furthermore, a damping arrangement is provided which has a damping cylinder and a damping piston, by means of which the closing movement of the relevant sliding door element is damped.

Die Dämpfungsanordnung ist im Wesentlichen in einem vertikalen Rahmenpfosten des Kühlmöbels vorgesehen.The damping arrangement is essentially provided in a vertical frame post of the refrigerated cabinet.

Aus DE 20 2008 008006 U1 ist eine Schiebetür mit einer Dämpfungsanordnung bekannt, wobei die Dämpfungsanordnung im Wesentlichen horizontal orientiert ist und im Bereich der oberen Tragschiene angeordnet ist.Out DE 20 2008 008006 U1 a sliding door with a damping arrangement is known, the damping arrangement being oriented essentially horizontally and being arranged in the region of the upper mounting rail.

JP 2009 191469 A offenbart eine Schiebetür-Anordnung gemäß dem Oberbegriff des Anspruchs 8. JP 2009 191469 A discloses a sliding door arrangement according to the preamble of claim 8.

Aufgabe der Erfindung ist es, einen Kühlschrank mit einer Schiebetür-Anordnung mit einer einfachen und effektiven Dämpfungsanordnung bzw. eine entsprechende nachrüstbare Schiebetür-Anordnung zu schaffen.The object of the invention is to provide a refrigerator with a sliding door arrangement with a simple and effective damping arrangement or a corresponding retrofittable sliding door arrangement.

Diese Aufgabe wird erfindungsgemäß gelöst durch einem Kühlschrank mit den Merkmalen gemäß Anspruch 1 bzw. durch eine nachrüstbare Schiebetür-Anordnung mit den Merkmalen gemäß Anspruch 8 für einen Kühlschrank gemäß Anspruch 1.This object is achieved according to the invention by a refrigerator with the features according to claim 1 or by a retrofit Sliding door arrangement with the features according to claim 8 for a refrigerator according to claim 1.

Der erfindungsgemäße Kühlschrank weist einen Schrankkörper mit einer im Wesentlichen in einer Vertikalenebene liegenden Zugriffsöffnung auf. In der vertikalen Zugriffsöffnung ist eine Schiebetür-Anordnung angeordnet, die mindestens ein Schiebetür-Element aufweist, das in der Zugriffsöffnungs- Vertikalebene In Querrichtung verschiebbar vorgesehen ist. Bevorzugt sind jedoch mindestens zwei Schiebetür-Elemente in der Zugriffsöffnung angeordnet, wobei die beiden Schiebetür-Elemente in der Tiefe versetzt zueinander angeordnet sind, so dass diese durch Verschieben in Querrichtung in teilweise oder vollständige Deckung voreinander gebracht werden können.The refrigerator according to the invention has a cabinet body with an access opening lying essentially in a vertical plane. A sliding door arrangement is arranged in the vertical access opening and has at least one sliding door element which is provided so as to be displaceable in the transverse direction in the vertical plane of the access opening. However, at least two sliding door elements are preferably arranged in the access opening, the two sliding door elements being offset in relation to one another in depth, so that they can be brought against one another in part or completely by shifting in the transverse direction.

Die Schiebetür-Anordnung weist eine waagerechte Tragschiene auf, die in der Zugriffsöffnungs- Vertikalebene entweder unten oder bevorzugt oben an dem Schrankkörper befestigt ist. Das Schiebetür-Element weist einen horizontalen Laufwagen mit Laufrollen auf, die auf bzw. In der Tragschiene laufen. Bei einer oben an dem Schrankkörper angeordneten Tragschiene hängt das Schiebetür-Element also an dem Laufwagen, der in der Tragschiene in Querrichtung verschiebbar läuft.The sliding door arrangement has a horizontal mounting rail which is attached to the cabinet body either at the bottom or preferably at the top in the vertical plane of the access opening. The sliding door element has a horizontal carriage with rollers that run on or in the mounting rail. In the case of a mounting rail arranged at the top of the cabinet body, the sliding door element therefore hangs on the carriage which runs in the mounting rail in the transverse direction.

Ferner weist die Schiebetür-Anordnung eine Dämpfungsanordnung auf, die einerseits mit dem Laufwagen und andererseits mit dem Schrankkörper verbunden ist, und die die Schließbewegung des Schiebetür-Türelements dämpft. Die Dämpfungsanordnung ihrerseits weist einen horizontalen Dämpfungszylinder auf, in dem ein Dämpfungskolben verschiebbar angeordnet ist. Der Dämpfungszylinder und/oder der Dämpfungskolben weist ein Ventilelement auf, das den von dem Dämpfungszylinder und dem Dämpfungskolben eingeschlossenen Zylinderraum bei der Schiebetür-Öffnungsbewegung belüftet und bei der Schiebetür-Schließbewegung weniger oder nicht belüftet. Es handelt sich also um ein so genanntes Rückschlag-Ventilelement.Furthermore, the sliding door arrangement has a damping arrangement which is connected on the one hand to the carriage and on the other hand to the cabinet body and which dampens the closing movement of the sliding door element. The damping arrangement in turn has a horizontal damping cylinder in which a damping piston is slidably arranged. The damping cylinder and / or the damping piston has a valve element which the cylinder space enclosed by the damping cylinder and the damping piston during the sliding door opening movement ventilated and less or not ventilated during the sliding door closing movement. So it is a so-called check valve element.

Die Dämpfungsanordnung ist also während der Öffnungsbewegung weitgehend wirkungslos, und wirkt im Wesentlichen nur während der Schließbewegung. Der Dämpfungszylinder kann in seiner horizontalen Axiallänge beispielsweise ungefähr so lang ausgebildet sein, wie das Schiebetürelement Schiebetür-Element breit ist. Auf diese Weise kann bei vollständig geöffnetem Schiebetür-Element die gesamte Schließbewegung durch die Dämpfungsanordnung gedämpft werden. Hierdurch wird eine gleichmäßige und sanfte Schließbewegung des Schiebetür-Elements sichergestellt, unabhängig davon, ob die Schließbewegung durch eine Schließeinrichtung unterstützt oder getrieben wird, oder aber manuell vorgenommen wird.The damping arrangement is therefore largely ineffective during the opening movement, and essentially only acts during the closing movement. The horizontal axial length of the damping cylinder can, for example, be approximately as long as the sliding door element is wide. In this way, the entire closing movement can be damped by the damping arrangement when the sliding door element is fully open. This ensures a smooth and smooth closing movement of the sliding door element, regardless of whether the closing movement is supported or driven by a closing device or is carried out manually.

Der Laufwagen ist von einem Profilkörper gebildet, an dem die Laufrollen drehbar befestigt sind, wobei der Dämpfungszylinder ein integraler Bestandteil des einstückigen Profilkörpers ist. Der Profilkörper kann beispielsweise ein Aluminium-Strangguss- Profilkörper sein, der einen vertikalen Steg aufweist, an dem die Laufrollen drehbar befestigt ist, und der, an den vertikalen Steg unten anschließend, einen Zylinderkörper aufweist, der den Dämpfungszylinder bildet. Durch die Integration des Dämpfungszylinders in den Laufwagen-Profilkörper wird der HerstellungsAufwand für die Dämpfungsanordnung erheblich reduziert.The carriage is formed by a profile body on which the rollers are rotatably fastened, the damping cylinder being an integral part of the one-piece profile body. The profile body can, for example, be an extruded aluminum profile body which has a vertical web to which the rollers are rotatably fastened, and which, adjoining the vertical web below, has a cylinder body which forms the damping cylinder. By integrating the damping cylinder in the carriage profile body, the manufacturing effort for the damping arrangement is significantly reduced.

Vorzugsweise ist der Dämpfungskolben am Ende einer Kolbenstange angeordnet, deren anderes freies Ende mit dem Schrankkörper mittelbar oder unmittelbar verbunden ist. Besonders bevorzugt weist die Schiebetür-Anordnung einen vertikalen Rahmenpfosten auf, an dessen oberem Ende dieser mit der Tragschiene verbunden ist, wobei die feststehende Seite der Dämpfungsanordnung an dem Rahmenpfosten befestigt ist. Die beiden vertikalen Rahmenpfosten an den beiden Längsenden der Tragschiene und die Tragschiene bilden zusammen einen Tragrahmen der Schiebetür-Anordnung. Der Tragrahmen kann noch durch eine zweite horizontale Schiene am unteren Ende der Rahmenpfosten ergänzt sein, so dass der Tragrahmen ein geschlossener rechteckiger Rahmen ist.The damping piston is preferably arranged at the end of a piston rod, the other free end of which is connected directly or indirectly to the cabinet body. The Sliding door arrangement on a vertical frame post, at the upper end of which it is connected to the mounting rail, the fixed side of the damping arrangement being fastened to the frame post. The two vertical frame posts at the two longitudinal ends of the mounting rail and the mounting rail together form a mounting frame of the sliding door arrangement. The support frame can be supplemented by a second horizontal rail at the lower end of the frame post, so that the support frame is a closed rectangular frame.

Gemäß einer bevorzugten Ausgestaltung weist der Dämpfungskolben als Ventilelement einen elastischen Ringlippen-Körper auf. Der Ringlippen-Körper liegt an der Innenwand des Dämpfungszylinders an und hat, im Querschnitt betrachtet, eine axiale Orientierung in Öffnungsvorrichtung, bildet also eine in Öffnungsrichtung umgeschlagene Lippe. Auf diese Weise wird während der Öffnungsbewegung - auf Grund der Druckdifferenz zwischen dem Hubraum und der Umgebung - der Ringlippen-Körper nach radial innen abgehoben, so dass die Luft aus dem kleiner werdenden Hubraum an dem Dämpfungskolben vorbeifließen kann. Während der Schließbewegung sorgt die Druckdifferenz dafür, dass der zirkuläre Ringlippen-Körper radial nach außen gedrückt wird, so dass die Luft aus dem geschlossenen Hubraum nicht oder nur sehr langsam entweichen kann. Vorzugsweise weist der Dämpfungszylinder und/ oder dem Dämpfungskolben ein Drosselventil auf, durch das die Luft während der Schließbewegung aus dem Hubraum gedrosselt entweichen kann.According to a preferred embodiment, the damping piston has an elastic annular lip body as a valve element. The ring lip body lies against the inner wall of the damping cylinder and, viewed in cross section, has an axial orientation in the opening device, that is to say it forms a lip folded over in the opening direction. In this way, due to the pressure difference between the displacement and the environment, the ring lip body is lifted radially inward during the opening movement, so that the air from the shrinking displacement can flow past the damping piston. During the closing movement, the pressure difference ensures that the circular ring lip body is pressed radially outwards, so that the air cannot escape from the closed displacement or only very slowly. The damping cylinder and / or the damping piston preferably has a throttle valve, through which the air can escape throttled from the displacement during the closing movement.

Vorzugsweise ist eine mechanische Schließeinrichtung vorgesehen, die das geöffnete Türelement in die Schließposition schiebt. Grundsätzlich kann die Schließeinrichtung auf verschiedene technische Weise realisiert sein, beispielsweise durch Federkraft, Druckluft oder ein Zuggewicht. Besonders bevorzugt weist die Schließeinrichtung ein an dem Laufwagen befestigtes Zugseil auf, wobei das Zugseil durch eine Zugseil-Umlenkung, die in dem die Tragschiene und den Rahmenpfosten verbindenden Eckbereich angeordnet ist, in die Vertikale umgelenkt wird, und wobei ein Zuggewicht in dem Rahmenpfosten am Ende des Zugseils befestigt ist. Das mit seinem einen Ende an dem Laufwagen befestigte Zugseil wird durch die Zugseil-Umlenkung in dem Eckbereich aus der Horizontalen in die Vertikale nach unten umgelenkt. An dem vertikalen Zugseil-Abschnitt hängt das Zuggewicht, das sich in einem Hohlraum des vertikalen Rahmenpfostens vertikal auf und ab bewegen kann. In jedem Fall ist die Schließeinrichtung konstruktiv und funktionell vollständig getrennt von der Dämpfungsanordnung ausgebildet, so dass unerwünschte Wechselwirkungen zwischen der Schließeinrichtung und der Dämpfungsanordnung ausgeschlossen sind.A mechanical locking device is preferably provided, which pushes the opened door element into the closed position. Basically, the locking device can be implemented in various technical ways, for example by spring force, compressed air or a pull weight. The locking device particularly preferably has one fastened to the carriage Traction cable on, wherein the traction cable is deflected into the vertical by a traction cable deflection, which is arranged in the corner region connecting the mounting rail and the frame post, and a traction weight is fastened in the frame post at the end of the traction cable. The one end of the traction cable attached to the carriage is deflected downwards from the horizontal to the vertical by the traction cable deflection in the corner region. The pull weight, which can move vertically up and down in a cavity of the vertical frame post, hangs on the vertical pull rope section. In any case, the locking device is designed to be structurally and functionally completely separate from the damping arrangement, so that undesired interactions between the locking device and the damping arrangement are excluded.

Vorzugsweise kann das Schiebetür-Element um eine Vertikalachse schwenkbar an dem Laufwagen befestigt sein, so dass das Schiebetür-Element in der Schiebefunktions- Schließposition schwenkbar ist. Um diese Schwenkbarkeit zu ermöglichen, ist das freie Kolbenstangen-Ende mit einem Schwenkgelenk koaxial zu der Schiebetür-Schwenkachse schwenkbar an dem Schrankkörper bzw. dem vertikalen Rahmenpfosten befestigt.The sliding door element can preferably be fastened to the carriage so that it can pivot about a vertical axis, so that the sliding door element can be pivoted in the sliding function closed position. In order to enable this pivotability, the free end of the piston rod is pivotally fastened to the cabinet body or the vertical frame post with a pivot joint coaxial to the sliding door pivot axis.

Im Folgenden wird unter Bezugnahme auf die Zeichnungen ein Ausführungsbeispiel der Erfindung näher erläutert.
Es zeigen:

  • Figur 1 einen Kühlschrank mit einer Schiebetür-Anordnung mit zwei Schiebetür-Elementen,
  • Figur 2 die Schiebetür-Anordnung der Figur 2 in perspektivischer Ansicht, und
  • Figur 3 einen Längsschnitt durch den Laufwagen einschließlich der Dämpfungsanordnung der Schiebetür-Anordnung der Figur 2.
An exemplary embodiment of the invention is explained in more detail below with reference to the drawings.
Show it:
  • Figure 1 a refrigerator with a sliding door arrangement with two sliding door elements,
  • Figure 2 the sliding door arrangement of the Figure 2 in perspective view, and
  • Figure 3 a longitudinal section through the carriage including the damping arrangement of the sliding door arrangement of the Figure 2 .

In der Figur 1 ist ein Kühlschrank 10 dargestellt, der auch als Kühlregal bezeichnet werden kann. Charakteristisch für den Kühlschrank 10 ist ein rechteckiger und hoch aufragender Schrankkörper 12 mit einer im Wesentlichen in einer Vertikalebene liegenden vorderseitigen Zugriffsöffnung 14. In dem gekühlten Innenraum des Schrankkörpers 12 können mehrere horizontale Regalböden vorgesehen sein, auf denen Kühfwaren gelagert und präsentiert werden können. In der vertikalen Zugriffsöffnung 14 ist eine Schiebetür-Anordnung 20 angeordnet, die nach der Aufstellung des Kühlschranks 10 nachgerüstet wurde. Es handelt sich also um eine nachrüstbare Schiebetür-Anordnung 20.In the Figure 1 A refrigerator 10 is shown, which can also be referred to as a cooling shelf. Characteristic of the refrigerator 10 is a rectangular and towering cabinet body 12 with a front access opening 14 lying essentially in a vertical plane. In the cooled interior of the cabinet body 12, several horizontal shelves can be provided, on which refrigerated goods can be stored and presented. A sliding door arrangement 20 is arranged in the vertical access opening 14 and was retrofitted after the refrigerator 10 had been installed. It is therefore a retrofittable sliding door arrangement 20.

Die Schiebetür-Anordnung 20 weist einen rechteckigen Rahmen auf, der oben von einem waagerechten Tragprofil 22, seitlich von zwei vertikalen Rahmenpfosten 24 und unten von einem waagerechten Fußprofil 21 gebildet ist. Alle vorgenannten Teile des Rahmens sind im Wesentlichen Aluminium- Strangguss- Profile. In der Ebene der Zugriffsöffnung 14 sind ferner zwei Schiebetür-Elemente 40,41 angeordnet, die tiefenmäßig versetzt zueinander und in Querrichtung verschiebbar an Tragschienen 26 des Tragprofils 22 aufgehängt und an der Fußschiene 21 geführt sind. Die beiden Tragschienen 26 sind in dem Tragprofil 22 tiefenmäßig versetzt zueinander und unmittelbar hintereinander angeordnet. Jedes Schiebetür-Element 40,41 weist eine transparente Glasscheibe 42 auf.The sliding door arrangement 20 has a rectangular frame which is formed at the top by a horizontal support profile 22, laterally by two vertical frame posts 24 and at the bottom by a horizontal foot profile 21. All of the above parts of the frame are essentially extruded aluminum profiles. In the plane of the access opening 14 there are also two sliding door elements 40, 41, which are offset in depth from one another and can be moved in the transverse direction on support rails 26 of the support profile 22 and are guided on the foot rail 21. The two support rails 26 are offset in depth from one another in the support profile 22 and are arranged directly one behind the other. Each sliding door element 40, 41 has a transparent glass pane 42.

Jede Tragschiene 26 weist in einer unteren Horizontalwand 29 einen Längsschlitz 27 auf, der sich über die gesamte Breite der Zugriffsöffnung 14 erstreckt. In der Tragschiene 26 ist jeweils ein Laufwagen 30 verschiebbar aufgehängt, der sich in Querrichtung ungefähr über die Breite eines Schiebetür-Elements 40,41 erstreckt. Jedes Schiebetür-Element 40,41 ist jeweils an einem Laufwagen 30 über jeweils zwei Tragbolzen 44 aufgehängt.Each mounting rail 26 has a longitudinal slot 27 in a lower horizontal wall 29, which extends over the entire width of the access opening 14. In the mounting rail 26 a carriage 30 is slidably suspended, which is approximately in the transverse direction Width of a sliding door element 40.41 extends. Each sliding door element 40, 41 is suspended from a carriage 30 by two supporting bolts 44.

Der Aufbau eines Laufwagens 30 ist insbesondere in Figur 3 dargestellt. Der Laufwagen 30 wird im Wesentlichen von einem Aluminium-Strangguss-Profilkörper 31 gebildet, der oben einen Vertikalsteg 32 aufweist, an dem mehrere um einen Horizontalachse drehbare Laufrollen 28 gelagert sind. Der Vertikalsteg 32 ragt durch den Längsschlitz 27 der Tragschiene 26 senkrecht hindurch. Unterhalb des Längsschlitzes 27 schließt sich an den Vertikalsteg 32 ein Hohlzylinder 34 an, der einen Dämpfungszylinder 62 einer Dämpfungsanordnung 60 bildet. Unterhalb des Hohlzylinders 34 schließt sich eine Tragstruktur 36 an, an der die zwei Tragbolzen 44 fixiert sind, die das betreffende Schiebetür-Element 40,41 halten.The structure of a carriage 30 is particularly shown in Figure 3 shown. The carriage 30 is essentially formed by an extruded aluminum profile body 31, which has a vertical web 32 at the top, on which a plurality of rollers 28 which are rotatable about a horizontal axis are mounted. The vertical web 32 projects vertically through the longitudinal slot 27 of the mounting rail 26. A hollow cylinder 34 adjoins the vertical web 32 below the longitudinal slot 27 and forms a damping cylinder 62 of a damping arrangement 60. Below the hollow cylinder 34 is a support structure 36, to which the two support bolts 44 are fixed, which hold the relevant sliding door element 40, 41.

Die Dämpfungsanordnung 60 wird im Wesentlichen von dem Dämpfungszylinder 62, dem Dämpfungskolben 64, dem Ventilelement 68 an dem Dämpfungskolben 64 und der den Dämpfungskolben 64 haltenden Kolbenstange 70 gebildet. Die Kolbenstange 70 wird von einem Hohlzylinderkörper 72 gebildet, an dessen freiem Ende der Dämpfungskolben 64 einschließlich eines Ringlippen-Körpers 69 angeordnet ist. Der Ringlippen-Körper 69 wirkt als Rückschlag-Ventilelement 68, und ist bei einer Öffnungsbewegung des Schiebetür-Elements 40 offen und bei einer Schließbewegung des Schiebetür-Elements 40 geschlossen. Der Dämpfungszylinder 62, der Dämpfungskolben 64 und eine Abschlusskappe 80, die den Hohlzylinders 34 längsseitig abschließt, umschließen einen Hubraum 67. Die Luft aus dem Hubraum 67 kann bei einer Öffnungsbewegung des Schiebetür-Elements 40,41 an dem zirkulären Ringlippen-Körper 69 vorbei in den Hubraum 67 fließen.The damping arrangement 60 is essentially formed by the damping cylinder 62, the damping piston 64, the valve element 68 on the damping piston 64 and the piston rod 70 holding the damping piston 64. The piston rod 70 is formed by a hollow cylinder body 72, on the free end of which the damping piston 64 including an annular lip body 69 is arranged. The annular lip body 69 acts as a non-return valve element 68 and is open when the sliding door element 40 is opened and closed when the sliding door element 40 is closed. The damping cylinder 62, the damping piston 64 and an end cap 80, which closes the hollow cylinder 34 on the longitudinal side, enclose a displacement 67. The air from the displacement 67 can pass the circular annular lip body 69 when the sliding door element 40, 41 opens the displacement 67 flow.

Die Abschlusskappe 80 weist einen Drosselventil 82 auf, durch das in beiden Richtungen Luft in den Hubraum 67 bzw. aus diesem heraus fließen kann. Während der Schließbewegung des Schiebetür-Elements 40,41 wird der Hubraum 67 im Wesentlichen ausschließlich durch das Drosselventil 82 entlüftet. Die Auslegung des Drosselventils 82 bestimmt den Dämpfungsgrad der Dämpfungsanordnung 60 bei einer Schließbewegung des betreffenden Schiebetür-Elements 40,41.The end cap 80 has a throttle valve 82 through which air can flow in and out of the displacement 67 in both directions. During the closing movement of the sliding door element 40, 41, the displacement 67 is vented essentially exclusively by the throttle valve 82. The design of the throttle valve 82 determines the degree of damping of the damping arrangement 60 during a closing movement of the relevant sliding door element 40, 41.

An dem anderen Längsende des Dämpfungszylinders 62 ist ein Führungsring 78 vorgesehen, der der zentrierten Führung der Kolbenstange 70 in dem Dämpfungszylinder 62 dient. An dem dem Dämpfungskolben 64 gegenüberliegenden Längsende weist die Kolbenstange 70 einen in die Kolbenstange eingesteckten und fixierten Steckkörper 74 auf, der an einem Montagewinkel 76 befestigt ist, der seinerseits an der Tragschiene 26 befestigt ist.At the other longitudinal end of the damping cylinder 62, a guide ring 78 is provided, which serves to center the piston rod 70 in the damping cylinder 62. At the longitudinal end opposite the damping piston 64, the piston rod 70 has a plug-in body 74 which is inserted and fixed in the piston rod and is fastened to a mounting bracket 76 which in turn is fastened to the mounting rail 26.

Die Schiebetür-Anordnung 20 weist ferner eine separate Schließeinrichtung 26 auf, die im Wesentlichen von einem Zugseil 52, einer Zugseil-Umlenkung 56 und einem Zuggewicht 54 gebildet wird. Das Zugseil 52 ist mit dem Ende seines Horizontalabschnittes an dem Laufwagen 30 fixiert. Das Zugseil 52 wird durch die Zugseil-Umlenkung 56 um 90° um nach senkrecht unten umgelenkt. An dem unteren Ende des Vertikalabschnittes des Zugseils 52 ist das Zuggewicht 54 fixiert und aufgehängt, das sich in einem Hohlraum 56 des vertikalen Rahmenpfostens 24 vertikal bewegen kann. Die Zugseil-Umlenkung 56 weist eine Umlenkscheibe auf, die im Eckbereich des Rahmens drehbar aufgehängt ist.The sliding door arrangement 20 also has a separate closing device 26, which is essentially formed by a pull cable 52, a pull cable deflection 56 and a pull weight 54. The pull rope 52 is fixed to the carriage 30 at the end of its horizontal section. The traction cable 52 is deflected by the traction cable deflection 56 by 90 ° in a downward direction. At the lower end of the vertical section of the pull rope 52, the pull weight 54 is fixed and suspended, which can move vertically in a cavity 56 of the vertical frame post 24. The traction cable deflection 56 has a deflection disc which is rotatably suspended in the corner region of the frame.

Claims (8)

  1. Refrigerator (10) with a cabinet body (12) having an access opening (14) lying essentially in a vertical plane, in which a sliding door arrangement (20) is arranged, the sliding door arrangement (20) comprising:
    a horizontal mounting rail (26) fastened to the cabinet body (12) in the access opening vertical plane,
    at least one sliding door element (40, 41) arranged to be slidable in the transverse direction in the access opening vertical plane,
    one carriage (30) connected with the sliding door element (40, 41), the carriage having rollers (28) which run in the mounting rail (26), and
    a damping arrangement (60) connected on the one hand to the carriage (30) and on the other hand to the cabinet body (12) and damping the closing movement of the sliding door element (40, 41),
    wherein the damping arrangement (60) has a horizontal damping cylinder (62) in which a damping piston (64) is arranged for displacement, wherein the damping cylinder (62) and/or the damping piston (64) has a valve element (68) which ventilates the enclosed cylinder space (67) during the sliding door opening movement and ventilates it less or not at all during the sliding door closing movement, and
    wherein the carriage (30) is formed by a profile body (31) to which the rollers (28) are rotatably fastened, the damping cylinder (62) being an integral part of the profile body (31) which has a cylinder body that forms the damping cylinder (62).
  2. Refrigerator (10) of claim 1, wherein the damping piston (64) is arranged at the end of a piston rod (70), whose free end is connected to the cabinet body (12).
  3. Refrigerator (10) of one of the preceding claims, wherein the damping piston (64) has an elastic annular lip body (69) as the valve element (68).
  4. Refrigerator (10) of one of the preceding claims, wherein a mechanical locking means (50) is provided which pulls the opened door element (40, 41) into the closed position.
  5. Refrigerator (10) of claim 4, wherein the sliding door arrangement (20) has a vertical frame post (24), the latter being connected to the mounting rail (26) at its upper end and to which the damping arrangement (60) is fastened.
  6. Refrigerator (10) of claim 4 or 5, wherein the closing means (50) is formed by a traction cable (52) attached to the carriage (30), a traction cable deflection (56) in the corner region connecting the mounting rail (26) and the frame post (24) and a traction weight (54) at the end of the traction cable (52) in the frame post (24).
  7. Refrigerator (10) of one of the preceding claims, wherein the sliding door element (40, 41) is attached to the carriage (30) to be pivotable about a vertical axis, so that the sliding door element (40, 41) can be pivoted in its closed position and the free piston rod end is attached to the cabinet body (12) by a swivel joint so that it is coaxially pivotable.
  8. Sliding door arrangement (20) for a refrigerator (10) having an access opening (14) lying essentially in a vertical plane, the sliding door arrangement (20) comprising:
    a horizontal mounting rail (26) fastened to the cabinet body (12) in the access opening vertical plane,
    at least one sliding door element (40, 41) arranged to be slidable in the transverse direction in the access opening vertical plane,
    one carriage (30) connected with the sliding door element (40, 41), the carriage having rollers (28) which run in the mounting rail (26), and
    a damping arrangement (60) connected on the one hand to the carriage (30) and on the other hand to the cabinet body (12) and damping the closing movement of the sliding door element (40, 41),
    wherein the damping arrangement (60) has a horizontal damping cylinder (62) in which a damping piston (64) is arranged for displacement, wherein the damping cylinder (62) and/or the damping piston (64) has a valve element (68) which ventilates the enclosed cylinder space (67) during the sliding door opening movement and ventilates it less or not at all during the sliding door closing movement, and
    wherein the carriage (30) is formed by a profile body (31) to which the rollers (28) are rotatably fastened,
    characterized in that the damping cylinder (62) being an integral part of the profile body (31) which has a cylinder body that forms the damping cylinder (62).
EP13155914.8A 2012-02-22 2013-02-20 Refrigerator Active EP2631575B1 (en)

Applications Claiming Priority (1)

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DE102012101410A DE102012101410A1 (en) 2012-02-22 2012-02-22 fridge

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EP2631575B1 true EP2631575B1 (en) 2020-07-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105466124B (en) * 2015-12-29 2018-03-23 青岛海尔股份有限公司 A kind of guide assembly and refrigerator for refrigerator door

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH01210585A (en) * 1988-02-19 1989-08-24 Tokico Ltd Door closer
JP2009013772A (en) * 2007-06-05 2009-01-22 Skb:Kk Closing support device of sliding door
JP2009191469A (en) * 2008-02-12 2009-08-27 Isokawa Sangyo Slide assisting device for sliding door
US20110203183A1 (en) * 2010-02-24 2011-08-25 Sugatsune Kogyo Co., Ltd. Drawing device

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Publication number Priority date Publication date Assignee Title
DE29920016U1 (en) * 1999-11-13 2000-01-27 Moeller Erik Refrigerators with a sliding door
JP5031640B2 (en) * 2008-03-31 2012-09-19 シャープ株式会社 refrigerator
DE202008008006U1 (en) * 2008-06-14 2009-10-29 Gebr. Willach Gmbh sliding door
DE202009016776U1 (en) * 2009-12-11 2011-04-21 Rehau Ag + Co. Sliding door system for refrigerators

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210585A (en) * 1988-02-19 1989-08-24 Tokico Ltd Door closer
JP2009013772A (en) * 2007-06-05 2009-01-22 Skb:Kk Closing support device of sliding door
JP2009191469A (en) * 2008-02-12 2009-08-27 Isokawa Sangyo Slide assisting device for sliding door
US20110203183A1 (en) * 2010-02-24 2011-08-25 Sugatsune Kogyo Co., Ltd. Drawing device

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