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EP3203876B1 - Pull-out guide - Google Patents

Pull-out guide Download PDF

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Publication number
EP3203876B1
EP3203876B1 EP15774621.5A EP15774621A EP3203876B1 EP 3203876 B1 EP3203876 B1 EP 3203876B1 EP 15774621 A EP15774621 A EP 15774621A EP 3203876 B1 EP3203876 B1 EP 3203876B1
Authority
EP
European Patent Office
Prior art keywords
rail
pull
locking
locking mechanism
latching
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
EP15774621.5A
Other languages
German (de)
French (fr)
Other versions
EP3203876A1 (en
Inventor
Daniel Rehage
Daniel Reidt
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.)
Paul Hettich GmbH and Co KG
Original Assignee
Paul Hettich GmbH and Co KG
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 Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP3203876A1 publication Critical patent/EP3203876A1/en
Application granted granted Critical
Publication of EP3203876B1 publication Critical patent/EP3203876B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40Sliding drawers; Slides or guides therefor
    • A47B88/49Sliding drawers; Slides or guides therefor with double extensible guides or parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/16Shelves, racks or trays inside ovens; Supports therefor
    • F24C15/168Shelves, racks or trays inside ovens; Supports therefor with telescopic rail systems
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00General construction of drawers, guides and guide devices
    • A47B2210/0002Guide construction for drawers
    • A47B2210/0016Telescopic drawer slide latch device
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00General construction of drawers, guides and guide devices
    • A47B2210/0002Guide construction for drawers
    • A47B2210/0064Guide sequencing or synchronisation
    • A47B2210/007Three slide synchronisation
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00General construction of drawers, guides and guide devices
    • A47B2210/0002Guide construction for drawers
    • A47B2210/0064Guide sequencing or synchronisation
    • A47B2210/0072Coordinating mechanisms for sequential drawer slides, e.g. by cable
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00General construction of drawers, guides and guide devices
    • A47B2210/0002Guide construction for drawers
    • A47B2210/0064Guide sequencing or synchronisation
    • A47B2210/0081Telescopic drawer rails with stop blocks, e.g. synchronization buffers

Definitions

  • the present invention relates to a drawer slide for household appliances or furniture, according to the preamble of claim 1 or 2.
  • the WO 2014/056764 discloses a pullout guide in which a sequencer is provided to control the movement of the rails relative to one another.
  • a latching mechanism and locking mechanism is provided by means of which each two adjacent rails are latched or locked together.
  • Such a pullout guide has been proven especially for household appliances, for example, when the pull-out position to be secured via a latch. With jerky movements on the rail during an extension movement, however, it may happen that slippage does not engage the locking mechanism.
  • the locking mechanism has at least two adjacently arranged blocking positions in order to be able to lock the two rails in two different blocking positions. This makes it possible for a slip to be compensated in a jerky movement on the third rail in such a way that the locking mechanism is locked selectively in the first or second locking position. This prevents the locking mechanism stops due to slip before the locking position, since in such a case, an intervention in the adjacent at least one further locking position can take place. In any case, it is ensured that in the extension position, a fixing of the third rail is done and defined cogging forces must be applied to the locking mechanism to release the third rail from the latched position.
  • the at least two locking positions are provided substantially in the extension position.
  • a blocking position can then represent the maximum extension position without the effect of slippage, while the second locking position is arranged adjacent to the maximum extension position, for example in a range between 3 mm to 12 mm, in particular 5 mm to 10 mm adjacent, so that the second locking position a Fallback position is when slip occurs between two rails due to a jerky movement. It is of course possible to provide more than two locking positions and to subdivide the arrangement of the locking positions finer, for example every 2 to 4 mm.
  • the locking mechanism and the latching mechanism are made of metallic components.
  • the pullout guide can be used particularly well for household appliances, in particular ovens, since in this case a high heat resistance is present.
  • the locking mechanism has a projection on a rail and a movable locking element with at least two receptacles for a projection or at least two projections for insertion into a receptacle.
  • the receptacles or projections may be arranged adjacent to a distance between 3 mm to 15 mm to define the different locking positions.
  • this may have a strip-shaped portion, which is only partially connected to a rail.
  • a bent section can be formed on the strip-shaped section, on which at least one receptacle or projection of the blocking mechanism is formed.
  • a first run-on slope may be provided which cooperates with the unlocking to lift the locking element from the rail to which it is attached, and thereby to perform an unlocking.
  • a second run-on slope be provided, which cooperates with a projection on a rail to lift the locking element from the rail upon reaching the pull-out position and then lock the projection on one of the receptacles.
  • the unlocking can be formed integrally and integrally with a latching element of the latching mechanism.
  • the unlocking can be formed by a strip-shaped portion which cooperates with a run-on slope of the blocking element.
  • the locking mechanism is provided in a first variant according to the invention between the first and the second rail, while the locking mechanism between the second and the third rail is arranged.
  • the latching mechanism is provided between the first and second rails, and the locking mechanism is disposed between the second and third rails to obtain a defined process control.
  • a pullout guide 1 comprises three rails 2, 3, 4, wherein a first rail 2 is fixed to a body of a piece of furniture or a household appliance, and a middle rail 3, which connects the first rail 2 with a third rail 4.
  • a thrust element for example, a food support, a drawer or other thrust element may be mounted, wherein a pin 9 may serve as a stop.
  • rolling elements are provided, in particular balls, which are movable on raceways of the rails 2, 3, 4.
  • a sequence control with a latching mechanism 5 and a locking mechanism 6 is provided.
  • the latching mechanism 5 locks in order to fix the third rail 4 to the second rail 3.
  • the second rail 3 is locked to the first rail 2 via the lock mechanism 6.
  • defined latching forces of the latching mechanism 5 act to prevent accidental release from the pull-out position. Only after overcoming the latching forces, the third rail 4 is moved relative to the second rail 3, while the second rail 3 remains stationary in position.
  • the third rail 4 has an unlocking 7, by means of which the locking mechanism 6 is releasable, then to move after unlocking the second rail 3 again in the retraction position.
  • FIG. 2 the locking mechanism 5 and the locking mechanism 6 is shown before unlocking the locking mechanism 6.
  • the latching mechanism 5 comprises a latching element 10, which is fixed to the third rail 4, for example by welding or gluing.
  • an unlocking 7 is integrally formed, which consists of a strip-shaped portion and cooperates with a run-on slope 21 on a movable blocking element 13.
  • the locking element 10 further comprises a latching projection 11 which engages through a recess 12 on the third rail 4. If the third rail 4 is moved relative to the second rail 3, the latching projection 11 can engage in the maximum pull-out position between two rolling elements, which are guided on a raceway 8 of the second rail 3. By engaging the latching projection 11 between the two rolling elements, a latching of the third rail 4 is achieved. This process is detailed in the WO 2014/056764 described
  • the movable blocking element 13 comprises a strip-shaped section with a fixed area 15 which is fixed to the first rail 2.
  • a second region 14 of the strip-shaped section can be lifted off the rail 2 and forms a lever arm.
  • a bent portion 17 is formed, which protrudes approximately at right angles from the end 16.
  • a first receptacle 18 and a second receptacle 19 are formed.
  • a first run-on slope 21 and on the opposite side a second run-on slope 22 are integrally formed.
  • the unlocking 7 abuts against the first run-on slope 21, whereby the movable locking element 13 is moved in the region of the end 16 with the bent portion 17 away from the rail 2, so that one integral with the second Rail 3 trained projection 20 from the receptacle 19 passes.
  • the second rail 3 can now be moved relative to the first rail 2, since these are no longer locked together.
  • the movable locking element 13 can be run over by the unlocking 7, since the opposite second run-on slope 22 ensures a smooth lifting of the bent portion 17, so that during an extension movement of the contact between the unlocking 7 and the locking element 13 is barely noticeable.
  • the movable blocking element 13 comprises two adjacent receptacles 18 and 19, so that the projection 20 can engage in the adjacent recess 18.
  • the third rail 4 is not in the maximum extension position, but a few millimeters before the maximum extension position, for example between 2 mm and 20 mm. This is hardly noticeable to the user and still ensures the sequence control when retracting the pullout guide.
  • the movable locking member 13 is provided with two receptacles 18 and 19 which define two adjacent locking positions. It is of course possible to provide more than two locking positions, for example when more than two receptacles 18 and 19 are formed on the blocking element 13.
  • a plurality of projections 20 may be formed on the second rail 3 to define different adjacent locking positions.
  • the locking mechanism 5 is provided, while between the first rail 2 and the second rail 3, the locking mechanism 6 is arranged.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drawers Of Furniture (AREA)

Description

Die vorliegende Erfindung betrifft eine Auszugsführung für Haushaltsgeräte oder Möbel, nach dem Oberbegriff des Anspruches 1 oder 2.The present invention relates to a drawer slide for household appliances or furniture, according to the preamble of claim 1 or 2.

Die WO 2014/056764 offenbart eine Auszugsführung, bei der eine Ablaufsteuerung vorgesehen ist, um die Bewegung der Schienen relativ zueinander zu steuern. Hierfür ist ein Rastmechanismus und Sperrmechanismus vorgesehen, mittels dem jeweils zwei benachbarte Schienen miteinander verrastet oder verriegelt werden. Eine solche Auszugsführung hat sich insbesondere für Haushaltsgeräte bewährt, beispielsweise wenn die Auszugsposition über eine Verrastung gesichert werden soll. Bei ruckartigen Bewegungen an der Schiene bei einer Auszugsbewegung kann es allerdings passieren, dass durch Schlupf der Sperrmechanismus nicht in Eingriff gelangt.The WO 2014/056764 discloses a pullout guide in which a sequencer is provided to control the movement of the rails relative to one another. For this purpose, a latching mechanism and locking mechanism is provided by means of which each two adjacent rails are latched or locked together. Such a pullout guide has been proven especially for household appliances, for example, when the pull-out position to be secured via a latch. With jerky movements on the rail during an extension movement, however, it may happen that slippage does not engage the locking mechanism.

Es ist daher Aufgabe der vorliegenden Erfindung, eine Auszugsführung zu schaffen, die eine optimierte Ablaufsteuerung bereitstellt und auch Schupf zwischen einzelnen Schienen kompensieren kann.It is therefore an object of the present invention to provide a drawer guide, which provides an optimized sequence control and can compensate for Schupf between individual rails.

Diese Aufgabe wird mit einer Auszugsführung mit den Merkmalen des Anspruches 1 oder 2 gelöst.This object is achieved with a pullout guide with the features of claim 1 or 2.

Bei der erfindungsgemäßen Auszugsführung weist der Sperrmechanismus mindestens zwei benachbart angeordnete Sperrpositionen auf, um die zwei Schienen in zwei unterschiedlichen Sperrpositionen verriegeln zu können. Dadurch wird es möglich, dass bei einer ruckartigen Bewegung an der dritten Schiene ein Schlupf derart kompensiert werden kann, dass der Sperrmechanismus wahlweise in der ersten oder zweiten Sperrposition verriegelt wird. Dies
verhindert, dass der Sperrmechanismus aufgrund von Schlupf vor der Verriegelungsposition stehenbleibt, da in einem solchen Fall ein Eingreifen in die benachbarte mindestens eine weitere Sperrposition erfolgen kann. In jedem Fall ist gewährleistet, dass in der Auszugsposition eine Fixierung der dritten Schiene erfolgt und definierte Rastkräfte an dem Rastmechanismus aufgebracht werden müssen, um die dritte Schiene aus der verrasteten Position zu lösen.
In the case of the pull-out guide according to the invention, the locking mechanism has at least two adjacently arranged blocking positions in order to be able to lock the two rails in two different blocking positions. This makes it possible for a slip to be compensated in a jerky movement on the third rail in such a way that the locking mechanism is locked selectively in the first or second locking position. This
prevents the locking mechanism stops due to slip before the locking position, since in such a case, an intervention in the adjacent at least one further locking position can take place. In any case, it is ensured that in the extension position, a fixing of the third rail is done and defined cogging forces must be applied to the locking mechanism to release the third rail from the latched position.

Vorzugsweise sind die mindestens zwei Sperrpositionen im Wesentlichen in der Auszugsposition vorgesehen. Eine Sperrposition kann dann die maximale Auszugsposition ohne Wirkung von Schlupf darstellen, während die zweite Sperrposition benachbart zu der maximalen Auszugsposition angeordnet ist, beispielsweise in einem Bereich zwischen 3 mm bis 12 mm, insbesondere 5 mm bis 10 mm benachbart, so dass die zweite Sperrposition eine Rückfallposition ist, falls durch eine ruckartige Bewegung Schlupf zwischen zwei Schienen auftritt. Es ist natürlich möglich, mehr als zwei Sperrpositionen vorzusehen und die Anordnung der Sperrpositionen feiner zu untergliedern, beispielsweise alle 2 bis 4 mm.Preferably, the at least two locking positions are provided substantially in the extension position. A blocking position can then represent the maximum extension position without the effect of slippage, while the second locking position is arranged adjacent to the maximum extension position, for example in a range between 3 mm to 12 mm, in particular 5 mm to 10 mm adjacent, so that the second locking position a Fallback position is when slip occurs between two rails due to a jerky movement. It is of course possible to provide more than two locking positions and to subdivide the arrangement of the locking positions finer, for example every 2 to 4 mm.

Vorzugsweise sind der Sperrmechanismus und der Rastmechanismus aus metallischen Bauteilen hergestellt. Dadurch kann die Auszugsführung besonders gut für Haushaltsgeräte, insbesondere Backöfen, eingesetzt werden, da hierbei eine hohe Hitzebeständigkeit vorhanden ist.Preferably, the locking mechanism and the latching mechanism are made of metallic components. As a result, the pullout guide can be used particularly well for household appliances, in particular ovens, since in this case a high heat resistance is present.

In einer weiteren Ausgestaltung der Erfindung weist der Sperrmechanismus einen Vorsprung an einer Schiene und ein bewegbares Sperrelement mit mindestens zwei Aufnahmen für einen Vorsprung oder mindestens zwei Vorsprünge für das Einfügen in eine Aufnahme auf. Die Aufnahmen oder Vorsprünge können dabei benachbart in einem Abstand zwischen 3 mm bis 15 mm angeordnet sein, um die verschiedenen Sperrpositionen zu definieren.In a further embodiment of the invention, the locking mechanism has a projection on a rail and a movable locking element with at least two receptacles for a projection or at least two projections for insertion into a receptacle. The receptacles or projections may be arranged adjacent to a distance between 3 mm to 15 mm to define the different locking positions.

Für ein einfaches Bewegen eines Sperrelementes kann dieses einen streifenförmigen Abschnitt aufweisen, der nur bereichsweise mit einer Schiene verbunden ist. An dem streifenförmigen Abschnitt kann dabei ein umgebogener Abschnitt angeformt sein, an dem mindestens eine Aufnahme oder ein Vorsprung des Sperrmechanismus ausgebildet ist. Ferner kann an dem umgebogenen Abschnitt eine erste Anlaufschräge vorgesehen sein, die mit der Entriegelung zusammenwirkt, um das Sperrelement von der Schiene abzuheben, an der es befestigt ist, und dadurch eine Entriegelung vorzunehmen. An einer gegenüberliegenden Seite des umgebogenen Abschnitts kann eine zweite Anlaufschräge vorgesehen sein, die mit einem Vorsprung an einer Schiene zusammenwirkt, um bei Erreichen der Auszugsposition das Sperrelement von der Schiene abzuheben und den Vorsprung dann an einer der Aufnahmen zu verriegeln. Dadurch wird ein mechanisch zuverlässig arbeitendes System bereitgestellt, das auch nach vielen Bewegungs-Zyklen keine gravierenden Verschleißerscheinungen aufweist.For a simple movement of a blocking element, this may have a strip-shaped portion, which is only partially connected to a rail. In this case, a bent section can be formed on the strip-shaped section, on which at least one receptacle or projection of the blocking mechanism is formed. Further, at the bent portion a first run-on slope may be provided which cooperates with the unlocking to lift the locking element from the rail to which it is attached, and thereby to perform an unlocking. On an opposite side of the bent portion, a second run-on slope be provided, which cooperates with a projection on a rail to lift the locking element from the rail upon reaching the pull-out position and then lock the projection on one of the receptacles. This provides a mechanically reliable system that has no serious signs of wear even after many cycles of movement.

Für einen kompakten Aufbau des Rastmechanismus und des Sperrmechanismus kann die Entriegelung integral und einstückig mit einem Rastelement des Rastmechanismus ausgebildet sein. Vorzugsweise kann die Entriegelung durch einen streifenförmigen Abschnitt gebildet sein, der mit einer Anlaufschräge des Sperrelementes zusammenwirkt.For a compact construction of the latching mechanism and the locking mechanism, the unlocking can be formed integrally and integrally with a latching element of the latching mechanism. Preferably, the unlocking can be formed by a strip-shaped portion which cooperates with a run-on slope of the blocking element.

Der Sperrmechanismus ist in einer ersten erfindungsgemäßen Variante zwischen der ersten und der zweiten Schiene vorgesehen, während der Rastmechanismus zwischen der zweiten und der dritten Schiene angeordnet ist. In einer zweiten, nebengestellten, erfindungsgemäßen Variante ist der Rastmechanismus zwischen der ersten und zweiten Schiene vorgesehen, und der Sperrmechanismus zwischen der zweiten und der dritten Schiene angeordnet, um eine definierte Ablaufsteuerung zu erhalten.The locking mechanism is provided in a first variant according to the invention between the first and the second rail, while the locking mechanism between the second and the third rail is arranged. In a second, juxtaposed variant according to the invention, the latching mechanism is provided between the first and second rails, and the locking mechanism is disposed between the second and third rails to obtain a defined process control.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels mit Bezug auf die beigefügten Zeichnungen näher erläutert. Es zeigen:

Figur 1
eine perspektivische Ansicht einer erfindungsgemäßen Auszugsführung;
Figur 2
eine perspektivische Ansicht der Auszugsführung der Figur 1 vor der Entriegelung aus einer ersten Sperrposition, und
Figur 3
eine perspektivische Ansicht einer Auszugsführung der Figur 1 vor einer Entriegelung aus einer zweiten Sperrposition.
The invention will be explained in more detail below with reference to an embodiment with reference to the accompanying drawings. Show it:
FIG. 1
a perspective view of a pullout guide according to the invention;
FIG. 2
a perspective view of the pullout guide the FIG. 1 before unlocking from a first locking position, and
FIG. 3
a perspective view of a pullout guide the FIG. 1 before unlocking from a second locking position.

Eine Auszugsführung 1 umfasst drei Schienen 2, 3, 4, wobei eine erste Schiene 2 stationär an einem Korpus eines Möbels oder eines Haushaltsgerätes festlegbar ist, und eine mittlere Schiene 3, die die erste Schiene 2 mit einer dritten Schiene 4 verbindet. An der dritten Schiene 4 kann ein Schubelement, beispielsweise ein Gargutträger, ein Schubkasten oder ein anderes Schubelement montiert sein, wobei ein Zapfen 9 als Anschlag dienen kann. Zwischen den Schienen 2, 3, 4 sind Wälzkörper vorgesehen, insbesondere Kugeln, die an Laufbahnen der Schienen 2, 3, 4 verfahrbar sind.A pullout guide 1 comprises three rails 2, 3, 4, wherein a first rail 2 is fixed to a body of a piece of furniture or a household appliance, and a middle rail 3, which connects the first rail 2 with a third rail 4. On the third rail 4, a thrust element, for example, a food support, a drawer or other thrust element may be mounted, wherein a pin 9 may serve as a stop. Between Rails 2, 3, 4 rolling elements are provided, in particular balls, which are movable on raceways of the rails 2, 3, 4.

Um die Schienen 2, 3, 4 in einer definierten Reihenfolge relativ zueinander zu verfahren, ist eine Ablaufsteuerung mit einem Rastmechanismus 5 und einem Sperrmechanismus 6 vorgesehen. Bei einer Auszugsbewegung wird zunächst die dritte Schiene 4 relativ zu der zweiten Schiene 3 bewegt. Bei Erreichen der maximalen Auszugsposition verrastet der Rastmechanismus 5, um die dritte Schiene 4 an der zweiten Schiene 3 zu fixieren. Ferner wird die zweite Schiene 3 an der ersten Schiene 2 über den Sperrmechanismus 6 verriegelt. Soll nun die dritte Schiene 4 aus der maximalen Auszugsposition wieder in Einzugsrichtung verfahren werden, wirken definierte Rastkräfte des Rastmechanismus 5, um ein versehentliches Lösen aus der Auszugsposition zu vermeiden. Erst nach Überwindung der Rastkräfte wird die dritte Schiene 4 relativ zu der zweiten Schiene 3 verfahren, während die zweite Schiene 3 stationär in Position bleibt. Um auch die zweite Schiene 3 wieder in Einzugsrichtung verfahren zu können, besitzt die dritte Schiene 4 eine Entriegelung 7, mittels der der Sperrmechanismus 6 lösbar ist, um dann nach der Entriegelung die zweite Schiene 3 wieder in die Einzugsposition verfahren zu können.In order to move the rails 2, 3, 4 relative to one another in a defined sequence, a sequence control with a latching mechanism 5 and a locking mechanism 6 is provided. In a pull-out movement, first the third rail 4 is moved relative to the second rail 3. When the maximum extension position is reached, the latching mechanism 5 locks in order to fix the third rail 4 to the second rail 3. Further, the second rail 3 is locked to the first rail 2 via the lock mechanism 6. If now the third rail 4 are moved again from the maximum extension position in the feed direction, defined latching forces of the latching mechanism 5 act to prevent accidental release from the pull-out position. Only after overcoming the latching forces, the third rail 4 is moved relative to the second rail 3, while the second rail 3 remains stationary in position. In order to be able to move the second rail 3 back in the feed direction, the third rail 4 has an unlocking 7, by means of which the locking mechanism 6 is releasable, then to move after unlocking the second rail 3 again in the retraction position.

In Figur 2 ist der Rastmechanismus 5 und der Sperrmechanismus 6 vor einer Entriegelung des Sperrmechanismus 6 gezeigt.In FIG. 2 the locking mechanism 5 and the locking mechanism 6 is shown before unlocking the locking mechanism 6.

Der Rastmechanismus 5 umfasst ein Rastelement 10, das an der dritten Schiene 4 fixiert ist, beispielsweise durch Schweißen oder Kleben. An dem Rastelement 10 ist integral eine Entriegelung 7 angeformt, die aus einem streifenförmigen Abschnitt besteht und mit einer Anlaufschräge 21 an einem bewegbaren Sperrelement 13 zusammenwirkt. Das Rastelement 10 umfasst ferner einen Rastvorsprung 11, der durch eine Aussparung 12 an der dritten Schiene 4 eingreift. Wird die dritte Schiene 4 relativ zu der zweiten Schiene 3 bewegt, kann der Rastvorsprung 11 in der maximalen Auszugsposition zwischen zwei Wälzkörper eingreifen, die an einer Laufbahn 8 der zweiten Schiene 3 geführt sind. Durch das Eingreifen des Rastvorsprunges 11 zwischen die beiden Wälzkörper wird eine Verrastung der dritten Schiene 4 erreicht. Dieser Vorgang ist detailliert in der WO 2014/056764 beschriebenThe latching mechanism 5 comprises a latching element 10, which is fixed to the third rail 4, for example by welding or gluing. On the latching element 10, an unlocking 7 is integrally formed, which consists of a strip-shaped portion and cooperates with a run-on slope 21 on a movable blocking element 13. The locking element 10 further comprises a latching projection 11 which engages through a recess 12 on the third rail 4. If the third rail 4 is moved relative to the second rail 3, the latching projection 11 can engage in the maximum pull-out position between two rolling elements, which are guided on a raceway 8 of the second rail 3. By engaging the latching projection 11 between the two rolling elements, a latching of the third rail 4 is achieved. This process is detailed in the WO 2014/056764 described

Das bewegbare Sperrelement 13 umfasst einen streifenförmigen Abschnitt mit einem festgelegten Bereich 15, der an der ersten Schiene 2 fixiert ist. Ein zweiter Bereich 14 des streifenförmigen Abschnittes ist von der Schiene 2 abhebbar und bildet einen Hebelarm aus. An einem bewegbaren Ende 16 des streifenförmigen Abschnittes ist ein umgebogener Abschnitt 17 ausgebildet, der etwa rechtwinklig von dem Ende 16 hervorsteht. An dem umgebogenen Abschnitt 17 sind eine erste Aufnahme 18 und eine zweite Aufnahme 19 angeformt. Ferner ist an der zu dem Rastmechanismus 5 gewandten Seite eine erste Anlaufschräge 21 und an der gegenüberliegenden Seite eine zweite Anlaufschräge 22 angeformt. Wird die dritte Schiene 4 nun in Einzugsrichtung verfahren, stößt die Entriegelung 7 gegen die erste Anlaufschräge 21, wodurch das bewegbare Sperrelement 13 im Bereich des Endes 16 mit dem umgebogenen Abschnitt 17 weg von der Schiene 2 bewegt wird, so dass ein integral mit der zweiten Schiene 3 ausgebildeter Vorsprung 20 aus der Aufnahme 19 gelangt. Dadurch kann die zweite Schiene 3 nun relativ zu der ersten Schiene 2 verfahren werden, da diese nicht mehr aneinander verriegelt sind. Bei einer Auszugsbewegung kann durch die Entriegelung 7 das bewegbare Sperrelement 13 überfahren werden, da die gegenüberliegende zweite Anlaufschräge 22 für ein leichtgängiges Abheben des umgebogenen Abschnittes 17 sorgt, so dass bei einer Ausfahrbewegung der Kontakt zwischen der Entriegelung 7 und dem Sperrelement 13 kaum spürbar ist.The movable blocking element 13 comprises a strip-shaped section with a fixed area 15 which is fixed to the first rail 2. A second region 14 of the strip-shaped section can be lifted off the rail 2 and forms a lever arm. At a movable end 16 of the strip-shaped portion, a bent portion 17 is formed, which protrudes approximately at right angles from the end 16. At the bent portion 17, a first receptacle 18 and a second receptacle 19 are formed. Further, on the side facing the latching mechanism 5, a first run-on slope 21 and on the opposite side a second run-on slope 22 are integrally formed. If the third rail 4 is now moved in the feed direction, the unlocking 7 abuts against the first run-on slope 21, whereby the movable locking element 13 is moved in the region of the end 16 with the bent portion 17 away from the rail 2, so that one integral with the second Rail 3 trained projection 20 from the receptacle 19 passes. As a result, the second rail 3 can now be moved relative to the first rail 2, since these are no longer locked together. In a pull-out movement, the movable locking element 13 can be run over by the unlocking 7, since the opposite second run-on slope 22 ensures a smooth lifting of the bent portion 17, so that during an extension movement of the contact between the unlocking 7 and the locking element 13 is barely noticeable.

Wird bei einer Auszugsbewegung ruckartig an der dritten Schiene 4 gezogen, kann es vorkommen, dass ein gewisser Schlupf zwischen den Schienen auftritt, insbesondere auch zwischen der ersten Schiene 2 und der zweiten Schiene 3. In einem solchen Fall kann bei Erreichen der maximalen Auszugsposition der Rastmechanismus 5 zwischen der zweiten Schiene 3 und der dritten Schiene 4 verrastet werden, bevor sich der Sperrmechanismus 6 in Eingriff befindet. Würde der Benutzer den Schlupf überwinden und weiter an der dritten Schiene 4 ziehen, könnte auch dann eine Verriegelung an dem Sperrmechanismus 6 erhalten werden. Falls der Benutzer dies jedoch unterlässt, könnte die Ablaufsteuerung außer Kraft gesetzt werden, da der Sperrmechanismus 6 noch nicht verriegelt ist. Um in einem solchen Fall ein Verriegeln der ersten Schiene 2 mit der zweiten Schiene 3 zu gewährleisten, umfasst das bewegbare Sperrelement 13 zwei benachbarte Aufnahmen 18 und 19, so dass der Vorsprung 20 in die benachbarte Aussparung 18 eingreifen kann. Dann befindet sich die dritte Schiene 4 nicht in der maximalen Auszugsposition, sondern einige Millimeter vor der maximalen Auszugsposition, beispielsweise zwischen 2 mm und 20 mm. Dies ist für den Benutzer kaum spürbar und gewährleistet dennoch die Ablaufsteuerung beim Einfahren der Auszugsführung.If a pull-out movement pulls jerkily on the third rail 4, it may happen that some slippage occurs between the rails, in particular also between the first rail 2 and the second rail 3. In such a case, when the maximum extension position is reached, the locking mechanism 5 between the second rail 3 and the third rail 4 are latched before the locking mechanism 6 is engaged. If the user were to overcome the slippage and continue to pull on the third rail 4, then a lock on the locking mechanism 6 could be obtained. However, if the user fails to do so, the scheduler could be disabled because the lock mechanism 6 is not yet locked. In order to ensure locking of the first rail 2 with the second rail 3 in such a case, the movable blocking element 13 comprises two adjacent receptacles 18 and 19, so that the projection 20 can engage in the adjacent recess 18. Then, the third rail 4 is not in the maximum extension position, but a few millimeters before the maximum extension position, for example between 2 mm and 20 mm. This is hardly noticeable to the user and still ensures the sequence control when retracting the pullout guide.

Wie in Figur 3 gezeigt ist, kann beim Einfahren der dritten Schiene 4 in Einzugsrichtung der Sperrmechanismus 6 entriegelt werden, unabhängig davon, ob sich der Vorsprung 20 in der ersten Aufnahme 18 oder der zweiten Aufnahme 19 an dem bewegbaren Sperrelement 13 befindet. Durch Erreichen der Anlaufschräge 21 kann das bewegbare Sperrelement abgehoben werden, so dass der umgebogene Abschnitt 17 von der Schiene 2 abgehoben wird und der Vorsprung 20 freigegeben wird, so dass die zweite Schiene 3 in Einzugsrichtung verfahren werden kann.As in FIG. 3 is shown, when retracting the third rail 4 in the feed direction of the locking mechanism 6 can be unlocked, regardless of whether the projection 20 is in the first receptacle 18 or the second receptacle 19 on the movable blocking element 13. By reaching the run-on slope 21, the movable locking element can be lifted, so that the bent portion 17 is lifted off the rail 2 and the projection 20 is released, so that the second rail 3 can be moved in the feed direction.

In dem dargestellten Ausführungsbeispiel ist das bewegbare Sperrelement 13 mit zwei Aufnahmen 18 und 19 versehen, die zwei benachbarte Sperrpositionen definieren. Es ist natürlich möglich, mehr als zwei Sperrpositionen vorzusehen, beispielsweise wenn mehr als zwei Aufnahmen 18 und 19 am Sperrelement 13 ausgebildet werden.In the illustrated embodiment, the movable locking member 13 is provided with two receptacles 18 and 19 which define two adjacent locking positions. It is of course possible to provide more than two locking positions, for example when more than two receptacles 18 and 19 are formed on the blocking element 13.

Zudem können auch mehrere Vorsprünge 20 an der zweiten Schiene 3 ausgebildet werden, um unterschiedliche benachbarte Sperrpositionen zu definieren.In addition, a plurality of projections 20 may be formed on the second rail 3 to define different adjacent locking positions.

Ferner ist es möglich, bei dem bewegbaren Sperrelement keine Aufnahmen 18 und 19 vorzusehen, sondern Vorsprünge, die in Aufnahmen an der zweiten Schiene 3 eingreifen. Auch andere mechanische Mittel zum Verriegeln zweier benachbarter Schienen können eingesetzt werden.Furthermore, it is possible to provide no receptacles 18 and 19 in the movable blocking element, but projections which engage in receptacles on the second rail 3. Other mechanical means for locking two adjacent rails may be used.

Zudem ist in einer ersten erfindungsgemäßen Variante zwischen der zweiten Schiene 3 und der dritten Schiene 4 der Rastmechanismus 5 vorgesehen, während zwischen der ersten Schiene 2 und der zweiten Schiene 3 der Sperrmechanismus 6 angeordnet ist. Gleichermaßen ist es in einer zweiten erfindungsgemäßen Variante möglich, den Rastmechanismus zwischen der ersten und der zweiten Schiene 2 und 3 vorzusehen, während der Sperrmechanismus zwischen der zweiten Schiene 3 und der dritten Schiene 4 vorgesehen wird.In addition, in a first variant according to the invention between the second rail 3 and the third rail 4, the locking mechanism 5 is provided, while between the first rail 2 and the second rail 3, the locking mechanism 6 is arranged. Similarly, it is possible in a second variant according to the invention to provide the locking mechanism between the first and second rails 2 and 3, while the locking mechanism between the second rail 3 and the third rail 4 is provided.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Auszugsführungpull-out guide
22
Schienerail
33
Schienerail
44
Schienerail
55
Rastmechanismusdetent mechanism
66
Sperrmechanismuslocking mechanism
77
Entriegelungunlocking
88th
Laufbahncareer
99
Zapfenspigot
1010
Rastelementlocking element
1111
Rastvorsprungcatch projection
1212
Aussparungrecess
1313
Sperrelementblocking element
1414
BereichArea
1515
BereichArea
1616
EndeThe End
1717
Abschnittsection
1818
Aufnahmeadmission
1919
Aufnahmeadmission
2020
Vorsprunghead Start
2121
Anlaufschrägestarting slope
2222
Anlaufschrägestarting slope

Claims (11)

  1. A pull-out guide for household appliances or furniture, comprising at least three rails (2, 3, 4) mounted for displacement relative to each other, wherein a first rail (2) can be fixed in a stationary manner to a body, at least one second rail (3) is provided between the first and third rail (4), and the third rail (4) can be connected to a push element and can be displaced between a closed position and a pull-out position, wherein a latching mechanism (5) is provided in order to fix the at least one second rail (3) and the third rail (4) in a detachable manner to each other via latching, and a locking mechanism (6) is provided in order to lock the first rail (2) and the at least one second rail (3) to each other in the pull-out position, wherein the locking mechanism (6) can be released via an unlocking means (7) provided on the further rail (4), characterized in that the locking mechanism (6) has at least two adjacently arranged locking positions in order to lock the two rails (2, 3) in different locking positions.
  2. A pull-out guide for household appliances or furniture, comprising at least three rails (2, 3, 4) mounted for displacement relative to each other, wherein a first rail (2) can be fixed in a stationary manner to a body, at least one second rail (3) is provided between the first and third rail (4), and the third rail (4) can be connected to a push element and can be displaced between a closed position and a pull-out position, wherein a latching mechanism (5) is provided in order to fix the at least one second rail (3) and the first rail (2) in a detachable manner to each other via latching, and a locking mechanism (6) is provided in order to lock the third rail (4) and the at least one second rail (3) to each other in the pull-out position, wherein the locking mechanism (6) can be released via an unlocking means (7) provided on the first rail (2), characterized in that the locking mechanism (6) has at least two adjacently arranged locking positions in order to lock the two rails (2, 3) in different locking positions.
  3. A pull-out guide according to claim 1 or 2, characterized in that the at least two locking positions are substantially provided in the pull-out position.
  4. A pull-out guide according to one of the preceding claims, characterized in that the locking mechanism (6) and the latching mechanism (5) are made from metallic components.
  5. A pull-out guide according to one of the preceding claims, characterized in that the locking mechanism (6) comprises a projection (20) on a rail (3) and a movable locking element (13) with at least two receivers (18, 19) for the one projection (20).
  6. A pull-out guide according to one of the preceding claims, characterized in that the locking mechanism (6) comprises at least two projections on a rail and a movable locking element with a receiver for one of the projections.
  7. A pull-out guide according to one of the preceding claims, characterized in that a movable locking element (13) comprises a strip-shaped section (14, 15, 16) which is only connected in sections to one of the rails (2).
  8. A pull-out guide according to claim 7, characterized in that a bent section (17) is formed on the strip-shaped section (14, 15, 16), on which bent section at least one receiver (18, 19) or a projection of the locking mechanism (6) is formed.
  9. A pull-out guide according to claim 8, characterized in that a guide bevel (21) for the unlocking means (7) is formed on the bent section (17), and the movable locking element (13) can be lifted at least partly from the rail (2) by interaction of the unlocking means (7) with the guide bevel (21).
  10. A pull-out guide according to claim 8 or 9, characterized in that a second guide bevel (22) is formed on the bent section, which guide bevel interacts with a projection (20) of an adjacent rail (3) in order to lift the movable locking element (30) during a pull-out movement from the rail (2) so as to then lock the projection (20) on a receiver (18, 19).
  11. A pull-out guide according to one of the preceding claims, characterized in that the unlocking means (7) is formed integrally with a latching element of the latching mechanism (5).
EP15774621.5A 2014-10-07 2015-10-05 Pull-out guide Active EP3203876B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014114557.7A DE102014114557A1 (en) 2014-10-07 2014-10-07 pull-out guide
PCT/EP2015/072912 WO2016055405A1 (en) 2014-10-07 2015-10-05 Pull-out guide

Publications (2)

Publication Number Publication Date
EP3203876A1 EP3203876A1 (en) 2017-08-16
EP3203876B1 true EP3203876B1 (en) 2018-09-05

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ID=54249502

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EP15774621.5A Active EP3203876B1 (en) 2014-10-07 2015-10-05 Pull-out guide

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Country Link
EP (1) EP3203876B1 (en)
KR (1) KR20170068438A (en)
CN (1) CN106793874B (en)
DE (1) DE102014114557A1 (en)
WO (1) WO2016055405A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109854620B (en) * 2017-11-30 2021-04-20 川湖科技股份有限公司 Slide rail assembly and its slide rail kit
US10876737B2 (en) 2018-11-27 2020-12-29 Electrolux Home Products, Inc. Glide rack assembly for a cooking chamber
CN112089232B (en) * 2019-06-17 2022-06-28 川湖科技股份有限公司 Slide rail assembly
CN115447652B (en) * 2022-10-18 2023-06-20 中国南方电网有限责任公司超高压输电公司曲靖局 A smart tool cart with a tool loss prevention function

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Publication number Priority date Publication date Assignee Title
FR2532532A1 (en) * 1982-09-02 1984-03-09 Cogep IMPROVEMENTS IN SAFETY LATCHING SYSTEMS FOR TELESCOPIC BALL SLIDERS
CN2866948Y (en) * 2006-01-24 2007-02-07 李国杰 Double-locking double-layer sliding rail
US7452040B1 (en) * 2007-05-07 2008-11-18 Paul Hettich Gmbh & Co Kg Guiding rail for a cabinet pull-out part
DE202009005122U1 (en) * 2009-08-07 2010-12-30 Paul Hettich Gmbh & Co. Kg Device for the synchronization of closing devices
CN102238841A (en) * 2010-04-27 2011-11-09 鸿富锦精密工业(深圳)有限公司 Slide rail mechanism
CN102245004A (en) * 2010-05-11 2011-11-16 鸿富锦精密工业(深圳)有限公司 Sliding rail mechanism
AT511538B1 (en) * 2011-05-24 2013-06-15 Blum Gmbh Julius FASTENING DEVICE FOR FASTENING A FRONT PANEL TO A DRAWER
CN202294355U (en) * 2011-10-11 2012-07-04 湖南长丰汽车沙发有限责任公司 Sliding rail locking mechanism for automobile
DE102013102944B4 (en) * 2012-10-12 2024-05-16 Paul Hettich Gmbh & Co. Kg Drawer guide
DE102013102948B4 (en) 2012-10-12 2024-02-08 Paul Hettich Gmbh & Co. Kg Excerpt guide

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Publication number Publication date
KR20170068438A (en) 2017-06-19
CN106793874B (en) 2019-05-03
WO2016055405A1 (en) 2016-04-14
DE102014114557A1 (en) 2016-04-07
EP3203876A1 (en) 2017-08-16
CN106793874A (en) 2017-05-31

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