EP3968816B1 - Guiding device for a movable furniture part - Google Patents

Guiding device for a movable furniture part Download PDF

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Publication number
EP3968816B1
EP3968816B1 EP20724778.4A EP20724778A EP3968816B1 EP 3968816 B1 EP3968816 B1 EP 3968816B1 EP 20724778 A EP20724778 A EP 20724778A EP 3968816 B1 EP3968816 B1 EP 3968816B1
Authority
EP
European Patent Office
Prior art keywords
cover
guide device
activator
support part
catch
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
EP20724778.4A
Other languages
German (de)
French (fr)
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EP3968816A1 (en
Inventor
Bernd Meyer
Britta Kloss
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
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Paul Hettich GmbH and Co KG
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Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP3968816A1 publication Critical patent/EP3968816A1/en
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Publication of EP3968816B1 publication Critical patent/EP3968816B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/473—Braking devices, e.g. linear or rotational dampers or friction brakes; Buffers; End stops
    • A47B88/477—Buffers; End stops
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing

Definitions

  • the present invention relates to a guide device for a movable furniture part, in particular a drawer, with a driver that can be moved along a guideway, which is pretensioned by an energy storage device and can be moved at least between a parking position with a tensioned energy storage device and an end position with a less tensioned energy storage device, with the energy storage device can be coupled to an activator between the parking position and the end position in order to transmit a braking or acceleration force to the movable furniture part, the activator having a metal support part and the metal support part being provided with a plastic cover at least in a contact area with the driver .
  • the DE 10 2011 053 840 A1 discloses a pull-in device for installation in a pull-out guide, in which a driver can be moved along a guide and can be coupled to an activator over a certain distance.
  • the driver is connected to a damper and an energy accumulator, so that when the driver is coupled to the activator, forces for braking and retracting a movable furniture part are generated.
  • Such retraction devices have proven themselves, but the use of a metallic activator can lead to increased noise when the activator is coupled to the driver. In addition, sharp edges can be formed on the activator, which increases the risk of injury when assembling a piece of furniture.
  • JP 2008-264438 discloses a slide device for a drawer in which a plastic body is mounted on a metallic support member.
  • the guiding device comprises an activator with a metallic support part which is provided with a plastic cover at least in a contact area with a driver.
  • the cover comprises a projection which is designed with a rounded surface and which engages in a U-shaped receptacle on the driver.
  • the rounded projection can have a surface that slides along a contact surface on the driver, so that there are low frictional forces in the contact area.
  • the cover preferably has two spaced projections and each projection abuts a contact surface with the tang on one side. This ensures a stable coupling between the activator and driver.
  • the metallic support part is preferably arranged at least partially within the cover and within a U-shaped receptacle of the driver.
  • the receptacle on the driver is preferably formed between two contact surfaces, and the metallic support part is at least partially arranged within these two contact surfaces.
  • the cover can be made by overmoulding the metallic support part. This ensures a play-free arrangement of the cover.
  • the metallic support part preferably has a mounting plate and a holding part protruding from the mounting plate, to which the cover is fixed.
  • the metallic mounting plate can be used for connection to a movable furniture part, for example for welding to a rail of a pull-out guide.
  • the cover is only arranged on the protruding holding part.
  • the holding part can have at least one
  • the holding part is preferably fixed in a non-detachable manner on the metal support element.
  • the holding part can have at least one, preferably two, protruding webs which are aligned at an angle to the mounting plate and which, in a position coupled to the driver, engage in the receptacle of the driver.
  • the web is preferably designed to be elastically deformable in order to be able to absorb a certain amount of impact energy when it hits the driver.
  • the web is preferably arranged at least partially within the cover and within the U-shaped receptacle of the driver.
  • the guide device according to the invention is used in particular in a pull-out guide, but can also be used in sliding door fittings or other linearly movable fittings.
  • a pull-out guide 1 comprises a stationary rail 2 which is fixed to a furniture body or household appliance and on which a movable rail 3 is provided, with an optionally arranged middle rail 4 being provided between the stationary rail 2 and the movable rail 3 .
  • a guide device is located between the stationary rail 2 and the movable rail 3 in order to exert forces for acceleration or braking when the movable rail 3 moves.
  • the guide device includes a driver 5, which can be moved along a guideway 6 on a housing.
  • the guide track can extend essentially linearly. At least on one side, the guide track has an angled end section on which the driver 5 can pivot in order to release a coupling between the driver 5 and an activator 10 .
  • the activator 10 is fixed to the movable rail 3
  • the guideway 6 is fixed to the housing on the stationary rail 2 . It is of course also possible to fix the housing with the guide track 6 on the movable rail 3 and the activator 10 on the stationary rail 2.
  • the guide device also includes an energy accumulator for retracting or ejecting the driver 5.
  • a damper in the form of a linear damper is also provided, which has a damper housing 7 and a piston rod 8, which is coupled to the driver 5 to the driver 5 to brake when moving into the retracted position.
  • the guide device can be designed essentially as in the DE 10 2011 053 840 is shown with the activator 10 modified.
  • the pull-out guide 1 is shown in an extended position.
  • the activator 10 is decoupled from the driver 5 and is located on the protruding movable rail 3.
  • the driver 5 is parked in the parking position on an angled end section of the guide track 6. From this position, the activator 10 on the moveable rail 3 can activate the driver 5 in order to then brake the last stretch of the movement of the moveable rail 3 by the damper and move it into a retracted position by an energy accumulator.
  • an unpleasant noise can be generated.
  • FIG 3A shows the activator 10 in engagement with the driver 5, which has a U-shaped receptacle within which the activator 10 is arranged.
  • the activator 10 comprises a metallic support part 11 which has a mounting plate 13 which is fixed to the movable rail 3, preferably by welding.
  • the metallic support part 11 is at least partially arranged within the receptacle on the driver 5 and is provided with a cover 12 made of plastic in this area.
  • a contact area of the driver 5 is not in direct contact with the metallic support part 11 of the activator 10, but with the cover 12 made of plastic, which has a rounded surface and thus ensures low friction when the activator moves relative to the driver 5.
  • the risk of injury can be reduced by covering the sharp-edged support part 11 .
  • FIGS. 4A and 4B a further variant of the coupling of the activator 10 to the driver 5 is shown.
  • the activator 10 and the driver 5 have a certain elasticity and flexibility in order to be able to couple even when the driver 5 is arranged in the end position on the guide track 6 and the movable rail with the activator 10 is then on an arm of the Driver 5 strikes, which is bent together with the activator 10 until the activator 10 couples into the driver 5.
  • the metallic support part 11 of the activator 10 is shown.
  • the metallic support member 11 includes a mounting plate 13, which has two attachment points 14, in particular welds, on the movable rail 3 of the pull-out guide 1 is fixed. From this mounting plate 13 protrudes a holding part 16 which is plate-shaped and from which two angled webs 17 extend, which are aligned at an angle to the mounting plate 13 plane, for example between 20° and 70°.
  • An opening 18 is formed on the holding part 16 and can be filled with plastic material of the cover 12 .
  • the cover 12 is preferably produced by overmoulding the metallic support part 11, in which case the entire support part 11 is not overmoulded, but only the holding part 16 which is formed integrally with the mounting plate 13 which is not overmoulded.
  • the cover 12 comprises two projections with a rounded surface, each projection being able to be placed with a region on a contact surface on the driver 5 .
  • the rounded surface is essentially cylindrical in a protruding section.
  • the activator 10 is used on a pull-out guide 1 . It is also possible to use the guide device with the activator 10 on a sliding door fitting.
  • the use of the activator 10 is described as an example using a so-called self-closing mechanism. It is also possible for the guiding device to be designed as a self-extracting device or as an ejection device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Fluid-Damping Devices (AREA)

Description

Die vorliegende Erfindung betrifft eine Führungsvorrichtung für ein bewegbares Möbelteil, insbesondere einen Schubkasten, mit einem entlang einer Führungsbahn bewegbaren Mitnehmer, der durch einen Kraftspeicher vorgespannt ist und zumindest zwischen einer Parkposition mit gespanntem Kraftspeicher und einer Endposition mit weniger gespanntem Kraftspeicher bewegbar ist, wobei der Kraftspeicher zwischen der Parkposition und der Endposition mit einem Aktivator koppelbar ist, um eine Brems- oder Beschleunigungskraft auf das bewegbare Möbelteil zu übertragen, wobei der Aktivator ein metallisches Stützteil aufweist und das metallische Stützteil zumindest in einem Kontaktbereich mit dem Mitnehmer mit einer Abdeckung aus Kunststoff versehen ist.The present invention relates to a guide device for a movable furniture part, in particular a drawer, with a driver that can be moved along a guideway, which is pretensioned by an energy storage device and can be moved at least between a parking position with a tensioned energy storage device and an end position with a less tensioned energy storage device, with the energy storage device can be coupled to an activator between the parking position and the end position in order to transmit a braking or acceleration force to the movable furniture part, the activator having a metal support part and the metal support part being provided with a plastic cover at least in a contact area with the driver .

Die DE 10 2011 053 840 A1 offenbart eine Einzugsvorrichtung zum Einbau in eine Auszugsführung, bei der ein Mitnehmer entlang einer Führung bewegbar ist und über eine gewisse Wegstrecke mit einem Aktivator koppelbar ist. Der Mitnehmer ist mit einem Dämpfer und einem Kraftspeicher verbunden, so dass bei einer Kopplung des Mitnehmers mit dem Aktivator Kräfte zum Abbremsen und Einziehen eines bewegbaren Möbelteils erzeugt werden. Solche Einzugsvorrichtungen haben sich an sich bewährt, allerdings kann es durch Einsatz eines metallischen Aktivators zu einer erhöhten Geräuschentwicklung beim Einkoppeln des Aktivators an dem Mitnehmer kommen. Zudem können an dem Aktivator scharfe Kanten ausgebildet werden, was die Verletzungsgefahr bei der Montage eines Möbels erhöht.The DE 10 2011 053 840 A1 discloses a pull-in device for installation in a pull-out guide, in which a driver can be moved along a guide and can be coupled to an activator over a certain distance. The driver is connected to a damper and an energy accumulator, so that when the driver is coupled to the activator, forces for braking and retracting a movable furniture part are generated. Such retraction devices have proven themselves, but the use of a metallic activator can lead to increased noise when the activator is coupled to the driver. In addition, sharp edges can be formed on the activator, which increases the risk of injury when assembling a piece of furniture.

JP 2008-264438 offenbart eine Führungsvorrichtung für einen Schubkasten, bei der an einem metallischen Stützteil einen Körper aus Kunststoff montiert ist. JP 2008-264438 discloses a slide device for a drawer in which a plastic body is mounted on a metallic support member.

Es ist daher Aufgabe der vorliegenden Erfindung, eine Führungsvorrichtung für ein bewegbares Möbelteil zu schaffen, die hohe Kräfte zum Bremsen oder Beschleunigen bereitstellen kann, aber beim Einkoppeln geringere Geräusche erzeugt und eine verringerte Verletzungsgefahr.It is therefore the object of the present invention to create a guide device for a movable furniture part which can provide high forces for braking or accelerating, but which generates less noise when it is coupled in and a reduced risk of injury.

Diese Aufgabe wird mit einer Führungsvorrichtung mit den Merkmalen des Anspruches 1 gelöst.This object is achieved with a guide device having the features of claim 1.

Die erfindungsgemäße Führungsvorrichtung umfasst einen Aktivator mit einem metallischen Stützteil, das zumindest in einem Kontaktbereich mit einem Mitnehmer mit einer Abdeckung aus Kunststoff versehen ist. Dadurch trifft der Mitnehmer beim Einkoppeln mit dem Aktivator nicht mehr auf ein metallisches Bauteil auf, sondern auf die Abdeckung aus Kunststoff, was die Geräuschentwicklung verringert. Die Abdeckung sorgt zudem für die Überdeckung scharfer Kanten an dem metallischen Stützteil, was die Handhabung verbessert.The guiding device according to the invention comprises an activator with a metallic support part which is provided with a plastic cover at least in a contact area with a driver. As a result, when coupling with the activator, the driver no longer hits a metal component, but the plastic cover, which reduces noise. The cover also ensures that sharp edges on the metal support part are covered, which improves handling.

Erfindungsgemäß umfasst die Abdeckung einen mit einer gerundeten Oberfläche ausgebildeten Vorsprung, der in eine U-förmige Aufnahme an dem Mitnehmer eingreift. Der gerundete Vorsprung kann eine Oberfläche aufweisen, die entlang einer Kontaktfläche an dem Mitnehmer entlang gleitet, so dass im Kontaktbereich geringe Reibungskräfte vorhanden sind. Die Abdeckung weist vorzugsweise zwei beabstandete Vorsprünge auf, und jeder Vorsprung liegt an einer Seite an einer Kontaktfläche mit dem Mitnehmer an. Dadurch wird eine stabile Kopplung zwischen Aktivator und Mitnehmer gewährleistet.According to the invention, the cover comprises a projection which is designed with a rounded surface and which engages in a U-shaped receptacle on the driver. The rounded projection can have a surface that slides along a contact surface on the driver, so that there are low frictional forces in the contact area. The cover preferably has two spaced projections and each projection abuts a contact surface with the tang on one side. This ensures a stable coupling between the activator and driver.

Vorzugsweise ist das metallische Stützteil zumindest teilweise innerhalb der Abdeckung und innerhalb einer U-förmigen Aufnahme des Mitnehmers angeordnet. Die Aufnahme an dem Mitnehmer wird vorzugsweise zwischen zwei Kontaktflächen gebildet, und innerhalb dieser beiden Kontaktflächen ist das metallische Stützteil zumindest teilweise angeordnet. Dadurch können hohe Kräfte beim Auftreffen des Mitnehmers auf den Aktivator unmittelbar in das metallische Stützteil abgeführt werden, so dass die Gefahr eines Bruches der Abdeckung aus Kunststoff reduziert wird. Die Abdeckung aus Kunststoff wird im Wesentlichen auf Druck beansprucht, da die Abdeckung in Wirkrichtung der Kräfte zwischen dem metallischen Stützteil und der Kontaktfläche an dem Mitnehmer angeordnet ist.The metallic support part is preferably arranged at least partially within the cover and within a U-shaped receptacle of the driver. The receptacle on the driver is preferably formed between two contact surfaces, and the metallic support part is at least partially arranged within these two contact surfaces. As a result, when the driver hits the activator, high forces can be dissipated directly into the metallic support part, so that the risk of the plastic cover breaking is reduced. The plastic cover is essentially subjected to pressure, since the cover is arranged in the effective direction of the forces between the metal support part and the contact surface on the driver.

Für eine einfache Herstellung kann die Abdeckung durch Umspritzen des metallischen Stützteils hergestellt sein. Dies gewährleistet eine spielfreie Anordnung der Abdeckung.For ease of manufacture, the cover can be made by overmoulding the metallic support part. This ensures a play-free arrangement of the cover.

Das metallische Stützteil weist vorzugsweise eine Montageplatte auf und ein von der Montageplatte hervorstehendes Halteteil, an der die Abdeckung festgelegt ist. Dadurch kann die metallische Montageplatte zur Verbindung an einem bewegbaren Möbelteil eingesetzt werden, beispielsweise zum Verschweißen an einer Schiene einer Auszugsführung. Die Abdeckung ist nur an dem hervorstehenden Halteteil angeordnet. Dabei kann das Halteteil mindestens eineThe metallic support part preferably has a mounting plate and a holding part protruding from the mounting plate, to which the cover is fixed. As a result, the metallic mounting plate can be used for connection to a movable furniture part, for example for welding to a rail of a pull-out guide. The cover is only arranged on the protruding holding part. The holding part can have at least one

Öffnung mit Kunststoff ausfüllen, um gegen ein Abziehen gesichert zu sein. Vorzugsweise ist das Halteteil unlösbar an dem metallischen Stützelement festgelegt. Das Halteteil kann mindestens einen, vorzugsweise zwei, winklig zu der Montageplatte ausgerichtete hervorstehende Stege aufweisen, die in einer mit dem Mitnehmer gekoppelten Position in die Aufnahme des Mitnehmers eingreifen. Der Steg ist vorzugsweise elastisch verformbar ausgelegt, um eine gewisse Aufprallenergie beim Auftreffen auf den Mitnehmer absorbieren zu können.Fill the opening with plastic to prevent it from being pulled off. The holding part is preferably fixed in a non-detachable manner on the metal support element. The holding part can have at least one, preferably two, protruding webs which are aligned at an angle to the mounting plate and which, in a position coupled to the driver, engage in the receptacle of the driver. The web is preferably designed to be elastically deformable in order to be able to absorb a certain amount of impact energy when it hits the driver.

Für eine stabile Abstützung der Abdeckung ist der Steg vorzugsweise zumindest teilweise innerhalb der Abdeckung und innerhalb der U-förmigen Aufnahme des Mitnehmers angeordnet.For stable support of the cover, the web is preferably arranged at least partially within the cover and within the U-shaped receptacle of the driver.

Die erfindungsgemäße Führungsvorrichtung wird insbesondere bei einer Auszugsführung eingesetzt, kann aber auch bei Schiebetürbeschlägen oder anderen linear bewegbaren Beschlägen eingesetzt werden.The guide device according to the invention is used in particular in a pull-out guide, but can also be used in sliding door fittings or other linearly movable fittings.

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

Figuren 1A und 1B
zwei Ansichten einer Auszugsführung mit einer erfindungsgemäßen Führungsvorrichtung in einer eingefahrenen Position;
Figuren 2A bis 2C
mehrere Ansichten der Auszugsführung der Figur 1 in einer ausgefahrenen Position;
Figuren 3A bis 3C
mehrere Ansichten der Auszugsführung der Figur 1 in unterschiedlichen Positionen;
Figuren 4A und 4B
zwei Ansichten der Auszugsführung der Figur 1 bei einer Einkopplung an dem Mitnehmer;
Figuren 5A bis 5C
mehrere Ansichten eines metallischen Stützteils des Aktivators, und
Figuren 6A bis 6C
mehrere Ansichten des Aktivators der Führungsvorrichtung.
The invention is explained in more detail below using an exemplary embodiment with reference to the accompanying drawings. Show it:
Figures 1A and 1B
two views of a pull-out guide with a guide device according to the invention in a retracted position;
Figures 2A to 2C
several views of the drawer guide figure 1 in an extended position;
Figures 3A to 3C
several views of the drawer guide figure 1 in different positions;
Figures 4A and 4B
two views of the pull-out guide figure 1 in the event of a coupling to the driver;
Figures 5A to 5C
several views of a metallic support part of the activator, and
Figures 6A to 6C
several views of the activator of the guiding device.

Eine Auszugsführung 1 umfasst eine stationäre Schiene 2, die an einer Möbelkorpus oder Haushaltsgerät festgelegt ist und an der eine verfahrbare Schiene 3 vorgesehen ist, wobei zwischen der stationären Schiene 2 und der verfahrbaren Schiene 3 eine optional angeordnete Mittelschiene 4 vorgesehen ist. Zwischen der stationären Schiene 2 und der verfahrbaren Schiene 3 befindet sich eine Führungsvorrichtung, um bei einer Bewegung der verfahrbaren Schiene 3 Kräfte zur Beschleunigung oder zum Abbremsen auszuüben.A pull-out guide 1 comprises a stationary rail 2 which is fixed to a furniture body or household appliance and on which a movable rail 3 is provided, with an optionally arranged middle rail 4 being provided between the stationary rail 2 and the movable rail 3 . A guide device is located between the stationary rail 2 and the movable rail 3 in order to exert forces for acceleration or braking when the movable rail 3 moves.

Die Führungsvorrichtung umfasst einen Mitnehmer 5, der entlang einer Führungsbahn 6 an einem Gehäuse verfahrbar ist. Die Führungsbahn kann sich im Wesentlichen linear erstrecken. Die Führungsbahn weist zumindest an einer Seite einen abgewinkelten Endabschnitt auf, an dem der Mitnehmer 5 verschwenken kann, um eine Kopplung zwischen dem Mitnehmer 5 und einem Aktivator 10 freizugeben. Der Aktivator 10 ist in diesem Ausführungsbeispiel an der verfahrbaren Schiene 3 fixiert, während die Führungsbahn 6 mit dem Gehäuse an der stationären Schiene 2 fixiert ist. Es ist natürlich auch möglich, das Gehäuse mit der Führungsbahn 6 an der bewegbaren Schiene 3 zu fixieren und den Aktivator 10 an der stationären Schiene 2.The guide device includes a driver 5, which can be moved along a guideway 6 on a housing. The guide track can extend essentially linearly. At least on one side, the guide track has an angled end section on which the driver 5 can pivot in order to release a coupling between the driver 5 and an activator 10 . In this exemplary embodiment, the activator 10 is fixed to the movable rail 3 , while the guideway 6 is fixed to the housing on the stationary rail 2 . It is of course also possible to fix the housing with the guide track 6 on the movable rail 3 and the activator 10 on the stationary rail 2.

Die Führungsvorrichtung umfasst ferner einen Kraftspeicher, zum Einziehen oder Ausstoßen des Mitnehmers 5. In dem dargestellten Ausführungsbeispiel ist zudem ein Dämpfer in Form eines Lineardämpfers vorgesehen, der ein Dämpfergehäuse 7 und eine Kolbenstange 8 aufweist, die mit dem Mitnehmer 5 gekoppelt ist, um den Mitnehmer 5 bei einer Bewegung in die eingefahrene Position abzubremsen. Die Führungsvorrichtung kann im Wesentlichen so ausgebildet sein, wie dies in der DE 10 2011 053 840 gezeigt ist, wobei der Aktivator 10 modifiziert ist.The guide device also includes an energy accumulator for retracting or ejecting the driver 5. In the illustrated embodiment, a damper in the form of a linear damper is also provided, which has a damper housing 7 and a piston rod 8, which is coupled to the driver 5 to the driver 5 to brake when moving into the retracted position. The guide device can be designed essentially as in the DE 10 2011 053 840 is shown with the activator 10 modified.

In den Figuren 2A und 2B ist die Auszugsführung 1 in einer ausgefahrenen Position gezeigt. Der Aktivator 10 ist von dem Mitnehmer 5 entkoppelt und befindet sich an der hervorstehenden verfahrbaren Schiene 3. Der Mitnehmer 5 ist in der Parkposition an einem abgewinkelten Endabschnitt der Führungsbahn 6 geparkt. Aus dieser Position kann der Aktivator 10 an der verfahrbaren Schiene 3 den Mitnehmer 5 aktivieren, um dann die letzte Wegstrecke der Bewegung der verfahrbaren Schiene 3 durch den Dämpfer abgebremst und durch einen Kraftspeicher in eine Einzugsposition bewegt zu werden. Bei diesem Auftreffen des Aktivators 10 auf den Mitnehmer 5 kann es zu einer unangenehmen Geräuschentwicklung kommen.In the Figures 2A and 2 B the pull-out guide 1 is shown in an extended position. The activator 10 is decoupled from the driver 5 and is located on the protruding movable rail 3. The driver 5 is parked in the parking position on an angled end section of the guide track 6. From this position, the activator 10 on the moveable rail 3 can activate the driver 5 in order to then brake the last stretch of the movement of the moveable rail 3 by the damper and move it into a retracted position by an energy accumulator. When the activator 10 hits the driver 5 in this way, an unpleasant noise can be generated.

Figur 3A zeigt den Aktivator 10 in Eingriff mit dem Mitnehmer 5, der eine U-förmige Aufnahme aufweist, innerhalb derer der Aktivator 10 angeordnet ist. Der Aktivator 10 umfasst dabei ein metallisches Stützteil 11, das einen Montageplatte 13 aufweist, die an der verfahrbaren Schiene 3 fixiert ist, vorzugsweise durch Anschweißen. Das metallische Stützteil 11 ist zumindest teilweise innerhalb der Aufnahme an dem Mitnehmer 5 angeordnet und ist in diesem Bereich mit einer Abdeckung 12 aus Kunststoff versehen. Dadurch liegt ein Kontaktbereich des Mitnehmers 5 nicht unmittelbar an dem metallischen Stützteil 11 des Aktivators 10 an, sondern an der Abdeckung 12 aus Kunststoff, die eine gerundete Oberfläche aufweist und somit bei einer Bewegung des Aktivators relativ zu dem Mitnehmer 5 für eine geringe Reibung sorgt. Zudem kann durch die Überdeckung des scharfkantigen Stützteils 11 die Verletzungsgefahr reduziert werden. Figure 3A shows the activator 10 in engagement with the driver 5, which has a U-shaped receptacle within which the activator 10 is arranged. The activator 10 comprises a metallic support part 11 which has a mounting plate 13 which is fixed to the movable rail 3, preferably by welding. The metallic support part 11 is at least partially arranged within the receptacle on the driver 5 and is provided with a cover 12 made of plastic in this area. As a result, a contact area of the driver 5 is not in direct contact with the metallic support part 11 of the activator 10, but with the cover 12 made of plastic, which has a rounded surface and thus ensures low friction when the activator moves relative to the driver 5. In addition, the risk of injury can be reduced by covering the sharp-edged support part 11 .

In Figur 3B wurde die verfahrbare Schiene 3 durch eine Bewegung des Aktivators 10 relativ zu der stationären Schiene 2 bewegt, so dass auch der Mitnehmer 5 entlang der Führungsbahn 6 gegen die Kraft des Kraftspeichers und unter Herausziehen der Kolbenstange 8 aus dem Dämpfergehäuse 7 verfahren wurde. Wird die verfahrbare Schiene 3 weiter in Auszugsrichtung bewegt, wird die in Figur 3C gezeigte Position erreicht, in der der Mitnehmer 5 an dem abgewinkelten Endabschnitt der Führungsbahn 6 verschwenkt wurde, um den Aktivator 10 freizugeben. Der Aktivator 10 ist somit unabhängig von dem Mitnehmer 5 verfahrbar. Wird die verfahrbare Schiene 3 wieder in Schließrichtung bewegt, gelangt sie in Eingriff mit dem Mitnehmer 5, wobei beim Auftreffen des Aktivators 10 mit hoher Geschwindigkeit nur geringe Geräusche erzeugt werden, da das metallische Stützteil 11 im Kontaktbereich mit der Abdeckung 12 mit Kunststoff überzogen ist.In Figure 3B the moveable rail 3 was moved relative to the stationary rail 2 by a movement of the activator 10, so that the driver 5 was also moved along the guideway 6 against the force of the energy accumulator and the piston rod 8 was pulled out of the damper housing 7. If the movable rail 3 is moved further in the extension direction, the in Figure 3C Reaches the position shown, in which the driver 5 was pivoted at the angled end portion of the guideway 6 to release the activator 10. The activator 10 can thus be moved independently of the driver 5 . If the movable rail 3 is moved again in the closing direction, it engages with the driver 5, with only slight noise being generated when the activator 10 hits it at high speed, since the metal support part 11 is covered with plastic in the contact area with the cover 12.

In den Figuren 4A und 4B ist eine weitere Variante der Einkopplung des Aktivators 10 an dem Mitnehmer 5 gezeigt. Der Aktivator 10 und der Mitnehmer 5 weisen eine gewisse Elastizität und Biegbarkeit auf, um ein Einkoppeln auch dann vornehmen zu können, wenn der Mitnehmer 5 in der Endposition an der Führungsbahn 6 angeordnet ist und die verfahrbare Schiene mit dem Aktivator 10 dann auf einen Arm des Mitnehmers 5 auftrifft, der gemeinsam mit dem Aktivator 10 gebogen wird, bis der Aktivator 10 in dem Mitnehmer 5 einkoppelt.In the Figures 4A and 4B a further variant of the coupling of the activator 10 to the driver 5 is shown. The activator 10 and the driver 5 have a certain elasticity and flexibility in order to be able to couple even when the driver 5 is arranged in the end position on the guide track 6 and the movable rail with the activator 10 is then on an arm of the Driver 5 strikes, which is bent together with the activator 10 until the activator 10 couples into the driver 5.

In den Figuren 5A bis 5C ist das metallische Stützteil 11 des Aktivators 10 gezeigt. Das metallische Stützteil 11 umfasst eine Montageplatte 13, die über zwei Befestigungsstellen 14, insbesondere Schweißverbindungen, an der verfahrbaren Schiene 3 der Auszugsführung 1 festgelegt ist. Von dieser Montageplatte 13 steht ein Halteteil 16 hervor, das plattenförmig ausgebildet ist und von dem sich zwei winklig angeordnete Stege 17 erstrecken, die geneigt zur Ebene der Montageplatte 13 ausgerichtet sind, beispielsweise zwischen 20° und 70°. An dem Halteteil 16 ist eine Öffnung 18 ausgebildet, die durch Kunststoffmaterial der Abdeckung 12 ausgefüllt werden kann.In the Figures 5A to 5C the metallic support part 11 of the activator 10 is shown. The metallic support member 11 includes a mounting plate 13, which has two attachment points 14, in particular welds, on the movable rail 3 of the pull-out guide 1 is fixed. From this mounting plate 13 protrudes a holding part 16 which is plate-shaped and from which two angled webs 17 extend, which are aligned at an angle to the mounting plate 13 plane, for example between 20° and 70°. An opening 18 is formed on the holding part 16 and can be filled with plastic material of the cover 12 .

In den Figuren 6A bis 6C ist der Aktivator 10 mit dem metallischen Stützteil 11 und der Abdeckung 12 gezeigt. Die Abdeckung 12 ist vorzugsweise durch Umspritzen des metallischen Stützteils 11 hergestellt, wobei nicht das gesamte Stützteil 11 umspritzt wird, sondern nur das Halteteil 16, das integral mit der nicht umspritzten Montageplatte 13 ausgebildet ist. Die Abdeckung 12 umfasst zwei Vorsprünge mit gerundeter Oberfläche, wobei jeder Vorsprung mit einem Bereich an einer Kontaktfläche an dem Mitnehmer 5 anlegbar ist. Die gerundete Oberfläche ist dabei im Wesentlichen zylindrisch ausgebildet in einem hervorstehenden Abschnitt.In the Figures 6A to 6C the activator 10 with the metallic support part 11 and the cover 12 is shown. The cover 12 is preferably produced by overmoulding the metallic support part 11, in which case the entire support part 11 is not overmoulded, but only the holding part 16 which is formed integrally with the mounting plate 13 which is not overmoulded. The cover 12 comprises two projections with a rounded surface, each projection being able to be placed with a region on a contact surface on the driver 5 . The rounded surface is essentially cylindrical in a protruding section.

In dem dargestellten Ausführungsbeispiel wird der Aktivator 10 an einer Auszugsführung 1 eingesetzt. Es ist auch möglich, die Führungsvorrichtung mit dem Aktivator 10 an einem Schiebetürbeschlag einzusetzen.In the exemplary embodiment shown, the activator 10 is used on a pull-out guide 1 . It is also possible to use the guide device with the activator 10 on a sliding door fitting.

Außerdem wird in dem dargestellten Ausführungsbeispiel der Einsatz des Aktivators 10 beispielhaft an einem sogenannten Selbsteinzug beschrieben. Es ist auch möglich, dass die Führungsvorrichtung als Selbstauszug oder auch als Ausstoßvorrichtung ausgeführt ist.In addition, in the exemplary embodiment shown, the use of the activator 10 is described as an example using a so-called self-closing mechanism. It is also possible for the guiding device to be designed as a self-extracting device or as an ejection device.

BezugszeichenlisteReference List

11
Auszugsführungdrawer guide
22
Schienerail
33
Schienerail
44
Mittelschienecenter rail
55
Mitnehmerdriver
66
Führungsbahnguideway
77
Dämpfergehäusedamper housing
88th
Kolbenstangepiston rod
1010
Aktivatoractivator
1111
Stützteilsupport part
1212
Abdeckungcover
1313
Montageplattemounting plate
1414
Befestigungsstelleattachment point
1616
Halteteilholding part
1717
Stegweb
1818
Öffnungopening

Claims (11)

  1. Guide device for a moveable furniture part, in particular a drawer, comprising a catch (5) which is moveable along a guide track (6) and which is pretensioned by an energy store and which is moveable at least between a parked position with a tensioned energy store and an end position with a less tensioned energy store, wherein the energy store can be coupled to an activator (10) between the parked position and the end position in order to transmit a braking or acceleration force to the moveable furniture part, wherein the activator (10) has a metal support part (11), characterized in that the metal support part (11), at least in an area of contact with the catch (5), is provided with a cover (12) made of plastic, whereby the cover (12) comprises a protrusion which is formed with a rounded surface and which engages in a U-shaped receptacle on the catch (5).
  2. Guide device according to claim 1, characterized in that the cover (12) has two spaced-apart protrusions, and each protrusion can bear at one side against a contact surface of the catch (5).
  3. Guide device according to claim 1 or 2, characterized in that the metal support part (11) is arranged at least partially within the cover (12) and within the U-shaped receptacle of the catch (5).
  4. Guide device according to any one of the preceding claims, characterized in that the cover (12) is produced by overmoulding around the metal support part (11).
  5. Guide device according to any one of the preceding claims, characterized in that the support part (11) has a mounting plate (13) and a retaining part (16) which protrudes from the mounting plate (13) and to which the cover (12) is fixed.
  6. Guide device according to claim 5, characterized in that the retaining part (16) has an opening (18) which is filled with plastic.
  7. Guide device according to claim 5 or 6, characterized in that the retaining part (16) has at least one protruding web (17) which is oriented at an angle to the mounting plate (13) .
  8. Guide device according to claim 7, characterized in that the web (17) is arranged at least partially within the cover (12) and within the U-shaped receptacle of the catch (5).
  9. Guide device according to claim 7 or 8, characterized in that the web (17) is designed to be elastically deformable so as to be able to absorb the impact energy when striking against the catch (5).
  10. Pull-out guide (1) having a guide device according to any one of the preceding claims.
  11. Pull-out guide according to claim 10, characterized in that the metal support part (11) is welded onto a moveable rail (3) or a stationary rail (2) of the pull-out guide (1).
EP20724778.4A 2019-05-17 2020-05-04 Guiding device for a movable furniture part Active EP3968816B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019113071.9A DE102019113071A1 (en) 2019-05-17 2019-05-17 Guide device for a movable furniture part
PCT/EP2020/062306 WO2020233967A1 (en) 2019-05-17 2020-05-04 Guide device for a moveable furniture part

Publications (2)

Publication Number Publication Date
EP3968816A1 EP3968816A1 (en) 2022-03-23
EP3968816B1 true EP3968816B1 (en) 2023-03-29

Family

ID=70617090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20724778.4A Active EP3968816B1 (en) 2019-05-17 2020-05-04 Guiding device for a movable furniture part

Country Status (6)

Country Link
US (1) US20220232974A1 (en)
EP (1) EP3968816B1 (en)
CN (1) CN113825430A (en)
DE (1) DE102019113071A1 (en)
ES (1) ES2946672T3 (en)
WO (1) WO2020233967A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4737556B2 (en) * 2007-04-16 2011-08-03 繁夫 尾野 furniture
DE102010036902A1 (en) * 2009-08-07 2011-02-10 Paul Hettich Gmbh & Co. Kg Ejection mechanism, pullout guide and ejection system
DE202009005119U1 (en) * 2009-08-07 2010-12-30 Paul Hettich Gmbh & Co. Kg pull-out guide
DE102011053840B4 (en) * 2011-09-21 2021-03-25 Paul Hettich Gmbh & Co. Kg Pull-in device for installation in a pull-out guide
DE102012109751B4 (en) * 2012-10-12 2023-08-03 Paul Hettich Gmbh & Co. Kg Pull-out guide for a pull-out piece of furniture and furniture
KR101697820B1 (en) * 2014-10-10 2017-01-18 동부대우전자 주식회사 Refrigerator and method of use thereof
CN104840166B (en) * 2015-06-05 2018-04-27 佛山市顺德区美的洗涤电器制造有限公司 Dish-washing machine guide track block, dish-washing machine guide and limit structure and dish-washing machine
DE102017119772A1 (en) * 2017-08-29 2019-02-28 Hettich-Heinze Gmbh & Co. Kg Feeding device for drawing a movable part of a piece of furniture or household appliance into an end position
CN108903400B (en) * 2018-09-29 2024-05-14 无锡海达尔精密滑轨股份有限公司 Improved buffering self-closing structure

Also Published As

Publication number Publication date
DE102019113071A1 (en) 2020-11-19
US20220232974A1 (en) 2022-07-28
ES2946672T3 (en) 2023-07-24
CN113825430A (en) 2021-12-21
EP3968816A1 (en) 2022-03-23
WO2020233967A1 (en) 2020-11-26

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