EP2136680A1 - Coupling for a movable piece of furniture - Google Patents

Coupling for a movable piece of furniture

Info

Publication number
EP2136680A1
EP2136680A1 EP08706032A EP08706032A EP2136680A1 EP 2136680 A1 EP2136680 A1 EP 2136680A1 EP 08706032 A EP08706032 A EP 08706032A EP 08706032 A EP08706032 A EP 08706032A EP 2136680 A1 EP2136680 A1 EP 2136680A1
Authority
EP
European Patent Office
Prior art keywords
coupling part
feed device
coupling
pin
traction means
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.)
Granted
Application number
EP08706032A
Other languages
German (de)
French (fr)
Other versions
EP2136680B1 (en
Inventor
Simon Gassner
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.)
Julius Blum GmbH
Original Assignee
Julius Blum GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Julius Blum GmbH filed Critical Julius Blum GmbH
Publication of EP2136680A1 publication Critical patent/EP2136680A1/en
Application granted granted Critical
Publication of EP2136680B1 publication Critical patent/EP2136680B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • 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
    • A47B88/47—Actuated drawers operated by mechanically-stored energy, e.g. by springs having both self-opening and self-closing mechanisms which interact with each other
    • 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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • 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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
    • E05F15/649—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by swinging arms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/214—Disengaging means
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/23—Actuation thereof
    • E05Y2201/244—Actuation thereof by manual operation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/404—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
    • E05Y2201/422—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for opening
    • E05Y2201/426—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for opening for the initial opening movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/43—Motors
    • E05Y2201/434—Electromotors; Details thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/11—Manual wing operation
    • E05Y2800/112—Back driving the transmission or motor
    • E05Y2800/113—Power assistance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets

Definitions

  • the present invention relates to a coupling for releasably connecting a movable furniture part with a drive, with a for attachment to the movable
  • Furniture part certain first coupling part and a designated for attachment to the drive second coupling part, wherein the first coupling part has an opening for at least partially receiving the second coupling part.
  • Such couplings have the problem that it is not always predictable due to installation tolerances of the drive or the movable furniture part in the furniture body, as far as the second coupling part is inserted into the opening of the first coupling part.
  • the drive or the movable furniture part (and thus the corresponding coupling parts) depending on the installation situation are different deep in the furniture body.
  • the object of the invention is to develop a generic coupling such that it has a compensation at least the depth tolerance with respect to the arrangement of the first and the second coupling part to each other.
  • the locking mechanism releases the connection between the first and the second coupling part upon reaching a predetermined release force.
  • the predetermined separation force for the at least two different positions is the same. This ensures that there is no appreciable dependency on the actual mounting position when using the clutch.
  • the locking mechanism may, for example, comprise two jaws biased against each other by a force accumulator (eg spring) which clamp the second coupling part in the locked state. If the separating force acting on the two coupling parts exceeds the force exerted on the clamping jaws by the force accumulator, the locking mechanism is opened. This leads to a decoupling of drive and movable furniture part.
  • a pin for insertion into the opening is arranged on the second coupling part.
  • the pin may have at least two axially spaced detent positions for the jaws.
  • the two mutually spaced detent positions allow the locking of the two coupling parts in the two different positions of the first and second coupling part relative to each other.
  • each of the locking positions have at least one groove, in which engage the jaws in the locked state.
  • two or more grooves per detent position may be provided so that the jaws engage in each detent position in two or more grooves.
  • the separating force for the at least two different positions of the coupling parts should be the same size, it must, however, be ensured that the number of grooves in which the clamping jaws engage in the locking state is the same for each of the locking positions.
  • the latching positions are clearly spaced from one another via the axial extent of the pin, that is, there is a non-grooved axial area of the pin between the grooves of the respective latching positions.
  • this is disadvantageous, as this results in only a gradual compensation possibility for the depth positioning of the two coupling parts to each other
  • the pin has a plurality of adjacent grooves over its axial extent. In this case, there are no non-grooved spaces between the individual detent positions. If it is provided that the clamping jaws each engage in a groove in the locking state, a separate locking position is realized by each groove. This results in an almost infinite compensation possibility with respect to the depth tolerance.
  • the coupling according to the invention is suitable for a wide variety of drives.
  • the second coupling part can be connected to the pulling means of a collection device.
  • the present invention further relates to a collection device for a movable furniture part with a wound on a roll traction means, wherein an electric motor for driving the roller is provided, wherein the collection device is characterized by a connected to the traction means second coupling part of a coupling according to one of the embodiments above ,
  • Such a collection device may be provided with a housing in which the roller and the electric motor are arranged.
  • the housing in the unwinding of the roller has a window which is substantially larger than the cross section of the traction means. This ensures that the traction means in the unwinding in a direction orthogonal to the unwinding (and thus orthogonal to the direction of movement of the movable furniture part) can move relatively freely, resulting in a compensation for installation tolerances at right angles to the unwinding.
  • the diameter of the traction device can be about 0.5 mm to 1 mm, while the window has a length and width of about 5 mm.
  • the collection device to a touch-latch functionality in this case, the role of an externally applied force on the movable Furniture part can be triggered
  • the role in this case, the role of an externally applied force on the movable Furniture part can be triggered
  • the role is biased in the unwinding by an energy storage.
  • the energy storage serves on the one hand to wind the traction means with unlocked clutch.
  • the energy accumulator ensures a mechanical tension along the traction means.
  • forces exerted by a user on the movable furniture part can be transmitted via the traction means on the role.
  • a tensile or compressive force on the movable furniture part thereby leads to a certain rotation of the role, which can be detected by a suitable sensor (for example, rotary potentiometer).
  • the sensor then triggers the electric motor of the feeder (touch-latch functionality).
  • 1a to 1c are two perspective views and exploded views of a
  • FIG. 3 is a perspective view of a collection device with the coupling according to the invention.
  • FIG. 4 shows a further view of FIG. 3 in a different operating position
  • FIG. 5 shows a section of a furniture body with a movable furniture part and a collection device according to FIGS. 3 and 4,
  • Fig. 6 is a detail view of FIG. 5 and
  • Fig. 7a to 7c different views of an insertion process.
  • FIGS. 1a and 1b show two different perspective views of a coupling 1 according to the invention.
  • the coupling 1 has a first coupling part 2, which can be mounted on a movable furniture part (not shown in FIG. 1).
  • a second coupling part 3 is provided, which in this Embodiment has a provided with grooves 10 pin 9 (in Fig. 1c, for clarity, only the foremost three grooves are provided with the reference numeral 10.).
  • the first coupling part 2 has an opening 4 into which the pin 9 of the second coupling part 3 can be inserted at different depths (for example between 2 mm and 6 mm).
  • the opening 4 is preceded by a funnel 6 for capturing the pin 9 (see in particular Figs. 7a to 7c).
  • the second coupling part 2 is designed substantially in two parts, wherein between the two parts of the locking mechanism 5 is arranged.
  • the locking mechanism 5 has two pivotally mounted jaws 8, which are biased by a force accumulator 7 in the locking direction.
  • FIGS. 2a to 2d which show an insertion process (FIGS. 2a to 2c) and an unlocking process (FIG. 2d), the two clamping jaws 8 are pressed apart against the action of the force store 7 during the insertion of the pin 9 , This results in a slight stretching of the force accumulator. 7
  • Fig. 3 shows a collection device for a not shown movable furniture part.
  • the collection device is embodied in a drive 12 which, in addition to the collection device, also has an ejection device with an ejection lever 14.
  • the collection device is arranged in a housing 13, from which the traction means 11 is led out.
  • the traction means 11 is connected to the second coupling part 3 of the coupling 1 shown in the previous figures.
  • the housing 13 has a window 14, which is substantially larger than the cross section of the traction means 11. This allows a compensation of installation tolerances in directions orthogonal to the illustrated direction of the traction means 11. The depth compensation is ensured by the mechanism described above, so that overall results in a compensation in all directions.
  • Fig. 4 shows the employee employed in Fig. 3 drive 12, wherein the traction means 11 has been completely wound up on the roller, not shown.
  • Fig. 5 shows a section of a furniture body 15, in which a drawer 16 is movably mounted as a movable furniture part.
  • the first coupling part 2 of a coupling 1 according to the invention is arranged.
  • the second coupling part 3 of the coupling 1 according to the invention is connected to the first coupling part 2, so that the drawer 16 can be moved by the traction means 11 in its closed end position in the furniture body 15.
  • the ejection lever 14 serves to eject the drawer 16 from the furniture body 15th
  • FIG. 6 shows a detailed representation of FIG. 5.
  • FIGS. 7a to 7c show a situation in which the second coupling part 3 is arranged off-center relative to the first coupling part 2 by installation tolerances. It can be seen that the funnel 6 still allows the capture of the pin 9 of the second coupling part 3.

Abstract

The invention relates to a retraction device for a movable piece of furniture, having a pulling means (11) windable on a roll, wherein an electric motor is provided for driving the roll, and having a coupling for releaseably connecting the movable piece of furniture to the electric drive, having a first coupling part (2) for fastening to the movable piece of furniture and a second coupling part (3) connected to the pulling means, the first coupling part (2) having an opening for at least the partial acceptance of the second coupling part (3), a locking mechanism being provided by which the first coupling part (2) can be connected to the second coupling part (3) in at least two different positions, the second coupling part (3) being located at different depths in the opening (4) in the two different positions.

Description

Kupplung für ein bewegbares Möbelteil Clutch for a movable furniture part
Die vorliegende Erfindung betrifft eine Kupplung zur lösbaren Verbindung eines bewegbaren Möbelteils mit einem Antrieb, mit einem zur Befestigung am bewegbarenThe present invention relates to a coupling for releasably connecting a movable furniture part with a drive, with a for attachment to the movable
Möbelteil bestimmten ersten Kupplungsteil und einem zur Befestigung am Antrieb bestimmten zweiten Kupplungsteil, wobei der erste Kupplungsteil eine Öffnung zur zumindest teilweisen Aufnahme des zweiten Kupplungsteils aufweist.Furniture part certain first coupling part and a designated for attachment to the drive second coupling part, wherein the first coupling part has an opening for at least partially receiving the second coupling part.
Derartige Kupplungen weisen das Problem auf, dass es aufgrund von Einbautoleranzen des Antriebs oder des bewegbaren Möbelteils im Möbelkorpus nicht immer vorhersehbar ist, wie weit der zweite Kupplungsteil in die Öffnung des ersten Kupplungsteils einführbar ist. So kann sich beispielsweise der Antrieb bzw. das bewegbare Möbelteil (und damit die entsprechenden Kupplungsteile) je nach Einbausituation unterschiedlich tief im Möbelkorpus befinden.Such couplings have the problem that it is not always predictable due to installation tolerances of the drive or the movable furniture part in the furniture body, as far as the second coupling part is inserted into the opening of the first coupling part. Thus, for example, the drive or the movable furniture part (and thus the corresponding coupling parts) depending on the installation situation are different deep in the furniture body.
Aufgabe der Erfindung ist es, eine gattungsgemäße Kupplung derart weiterzubilden, dass sie einen Ausgleich zumindest der Tiefentoleranz in Bezug auf die Anordnung des ersten und des zweiten Kupplungsteils zueinander aufweist.The object of the invention is to develop a generic coupling such that it has a compensation at least the depth tolerance with respect to the arrangement of the first and the second coupling part to each other.
Diese Aufgabe wird durch eine Kupplung mit dem Merkmal des Anspruchs 1 gelöst.This object is achieved by a coupling with the feature of claim 1.
Durch das Vorsehen eines Verriegelungsmechanismus, welcher für unterschiedliche Einführungstiefen des zweiten Kupplungsteils in den ersten Kupplungsteil die Verriegelung der beiden Kupplungsteile zueinander sicherstellt, wird der aufgabengemäß geforderte Ausgleich der Tiefentoleranz erreicht.By providing a locking mechanism which ensures the locking of the two coupling parts to one another for different insertion depths of the second coupling part into the first coupling part, the task of compensating for the depth tolerance required is achieved.
Bei einer bevorzugten Ausführungsform der Kupplung ist vorgesehen, dass der Verriegelungsmechanismus die Verbindung zwischen dem ersten und dem zweiten Kupplungsteil bei Erreichen einer vorgegebenen Trennkraft löst. In diesem Fall ist es vorteilhaft, wenn die vorgegebene Trennkraft für die wenigstens zwei unterschiedlichen Positionen gleich groß ist. Hierdurch wird erreicht, dass es bei der Benutzung der Kupplung zu keinen merklichen Abhängigkeiten von der tatsächlichen Einbaulage kommt. Der Verriegelungsmechanismus kann beispielsweise zwei durch einen Kraftspeicher (zB Feder) gegeneinander vorgespannte Klemmbacken aufweisen, welche den zweiten Kupplungsteil im Verriegelungszustand festklemmen. Überschreitet die auf die beiden Kupplungsteile einwirkende Trennkraft die durch den Kraftspeicher auf die Klemmbacken ausgeübte Kraft, kommt es zu einem Öffnen des Verriegelungsmechanismus. Dies führt zu einer Entkupplung von Antrieb und bewegbarem Möbelteil.In a preferred embodiment of the coupling is provided that the locking mechanism releases the connection between the first and the second coupling part upon reaching a predetermined release force. In this case, it is advantageous if the predetermined separation force for the at least two different positions is the same. This ensures that there is no appreciable dependency on the actual mounting position when using the clutch. The locking mechanism may, for example, comprise two jaws biased against each other by a force accumulator (eg spring) which clamp the second coupling part in the locked state. If the separating force acting on the two coupling parts exceeds the force exerted on the clamping jaws by the force accumulator, the locking mechanism is opened. This leads to a decoupling of drive and movable furniture part.
Zur Erleichterung des Einführens des zweiten Kupplungsteils in die Öffnung des ersten Kupplungsteils kann vorgesehen sein, dass am zweiten Kupplungsteil ein Stift zum Einführen in die Öffnung angeordnet ist. Dabei kann der Stift wenigstens zwei axial voneinander beabstandete Rastpositionen für die Klemmbacken aufweisen.To facilitate the insertion of the second coupling part in the opening of the first coupling part can be provided that a pin for insertion into the opening is arranged on the second coupling part. In this case, the pin may have at least two axially spaced detent positions for the jaws.
Die beiden voneinander beabstandeten Rastpositionen erlauben die Verriegelung der beiden Kupplungsteile in den beiden unterschiedlichen Positionen des ersten und des zweiten Kupplungsteils relativ zueinander.The two mutually spaced detent positions allow the locking of the two coupling parts in the two different positions of the first and second coupling part relative to each other.
Dabei kann jede der Rastpositionen wenigstens eine Rille aufweisen, in welche die Klemmbacken im Verriegelungszustand eingreifen.In this case, each of the locking positions have at least one groove, in which engage the jaws in the locked state.
An sich können auch zwei oder mehrere Rillen pro Rastposition vorgesehen sein, sodass die Klemmbacken in jeder Rastposition in zwei oder mehrere Rillen eingreifen.In itself, two or more grooves per detent position may be provided so that the jaws engage in each detent position in two or more grooves.
Soll die Trennkraft für die wenigstens zwei unterschiedlichen Positionen der Kupplungsteile gleich groß sein, muss allerdings gewährleistet sein, dass die Anzahl der Rillen, in welche die Klemmbacken im Verriegelungszustand eingreifen, für jede der Rastpositionen gleich groß ist.If the separating force for the at least two different positions of the coupling parts should be the same size, it must, however, be ensured that the number of grooves in which the clamping jaws engage in the locking state is the same for each of the locking positions.
An sich kann vorgesehen sein, dass die Rastpositionen über die axiale Erstreckung des Stiftes voneinander deutlich beabstandet sind, dass also zwischen den Rillen der jeweiligen Rastpositionen ein nicht gerillter axialer Bereich des Stiftes vorliegt. Dies ist allerdings insofern nachteilig, als sich hierdurch nur eine stufenweise Ausgleichsmöglichkeit für die Tiefenpositionierung der beiden Kupplungsteile zueinander ergibt Besonders bevorzugt ist daher vorgesehen, dass der Stift über seine axiale Erstreckung eine Vielzahl benachbarter Rillen aufweist. In diesem Fall gibt es also keine nicht-gerillten Zwischenräume zwischen den einzelnen Rastpositionen. Ist vorgesehen, dass die Klemmbacken im Verriegelungszustand jeweils in eine Rille eingreifen, wird durch jede Rille eine eigene Rastposition verwirklicht. Hierdurch ergibt sich eine annähernd stufenlose Ausgleichsmöglichkeit in Bezug auf die Tiefentoleranz.As such, it can be provided that the latching positions are clearly spaced from one another via the axial extent of the pin, that is, there is a non-grooved axial area of the pin between the grooves of the respective latching positions. However, this is disadvantageous, as this results in only a gradual compensation possibility for the depth positioning of the two coupling parts to each other It is therefore particularly preferred that the pin has a plurality of adjacent grooves over its axial extent. In this case, there are no non-grooved spaces between the individual detent positions. If it is provided that the clamping jaws each engage in a groove in the locking state, a separate locking position is realized by each groove. This results in an almost infinite compensation possibility with respect to the depth tolerance.
Um das Einfangen des Stiftes in einer Richtung rechtwinklig zur Einführrichtung (also bei einer außermittigen Annäherung)zu gestatten, kann vorgesehen sein, vor der Öffnung des ersten Kupplungsteils einen Trichter anzuordnen.In order to allow the capture of the pin in a direction perpendicular to the insertion direction (ie in an off-center approach), it may be provided to arrange a funnel before the opening of the first coupling part.
An sich eignet sich die erfindungsgemäße Kupplung für unterschiedlichste Antriebe. Besonders bevorzugt ist allerdings vorgesehen, dass der zweite Kupplungsteil mit dem Zugmittel einer Einzugsvorrichtung verbindbar ist.In itself, the coupling according to the invention is suitable for a wide variety of drives. However, it is particularly preferably provided that the second coupling part can be connected to the pulling means of a collection device.
Die vorliegende Erfindung betrifft weiters eine Einzugsvorrichtung für ein bewegbares Möbelteil mit einem auf einer Rolle aufwickelbaren Zugmittel, wobei ein Elektromotor zum Antreiben der Rolle vorgesehen ist, wobei sich die Einzugsvorrichtung durch einen mit dem Zugmittel verbundenen zweiten Kupplungsteil einer Kupplung nach einer der oben ausgeführten Ausführungsformen auszeichnet.The present invention further relates to a collection device for a movable furniture part with a wound on a roll traction means, wherein an electric motor for driving the roller is provided, wherein the collection device is characterized by a connected to the traction means second coupling part of a coupling according to one of the embodiments above ,
Eine derartige Einzugsvorrichtung kann mit einem Gehäuse versehen sein, in welchem die Rolle und der Elektromotor angeordnet sind. In diesem Fall ist es vorteilhaft, wenn das Gehäuse im Abwickelbereich der Rolle ein Fenster aufweist, das wesentlich größer ist als der Querschnitt des Zugmittels. Hierdurch wird erreicht, dass sich das Zugmittel im Abwickelbereich in einer Richtung orthogonal zur Abwickelrichtung (und damit orthogonal zur Bewegungsrichtung des bewegbaren Möbelteils) relativ frei bewegen kann, was einen Ausgleich gegenüber Einbautoleranzen rechtwinklig zur Abwickelrichtung ergibt.Such a collection device may be provided with a housing in which the roller and the electric motor are arranged. In this case, it is advantageous if the housing in the unwinding of the roller has a window which is substantially larger than the cross section of the traction means. This ensures that the traction means in the unwinding in a direction orthogonal to the unwinding (and thus orthogonal to the direction of movement of the movable furniture part) can move relatively freely, resulting in a compensation for installation tolerances at right angles to the unwinding.
Beispielsweise kann der Durchmesser des Zugmittels ca. 0,5 mm bis 1 mm betragen, während das Fenster eine Länge und Breite von ca. 5 mm aufweist.For example, the diameter of the traction device can be about 0.5 mm to 1 mm, while the window has a length and width of about 5 mm.
Soll die Einzugsvorrichtung eine Touch-Latch-Funktionalität aufweisen (in diesem Fall ist die Rolle durch eine von außen ausgeübte Krafteinwirkung auf das bewegbare Möbelteil auslösbar) bzw. soll sichergestellt sein, dass es bei einer entriegelten Kupplung zu einem Aufwickeln des Zugmittels kommt, kann vorgesehen sein, dass die Rolle in Abwickelrichtung durch einen Kraftspeicher vorgespannt ist.If the collection device to a touch-latch functionality (in this case, the role of an externally applied force on the movable Furniture part can be triggered) or should be ensured that it comes with an unlocked clutch to a winding of the traction means, it can be provided that the role is biased in the unwinding by an energy storage.
Der Kraftspeicher dient einerseits dazu, das Zugmittel bei entriegelter Kupplung aufzuwickeln. Andererseits sorgt der Kraftspeicher für eine mechanische Spannung entlang des Zugmittels. Dadurch können Kräfte, die von einem Benutzer auf das bewegbare Möbelteil ausgeübt werden, über das Zugmittel auf die Rolle übertragen werden. Eine Zug- oder Druckkraft auf das bewegbare Möbelteil führt hierdurch zu einer gewissen Verdrehung der Rolle, was von einem geeigneten Sensor (zum Beispiel Drehpotentiometer) detektiert werden kann. Der Sensor löst daraufhin den Elektromotor der Einzugsvorrichtung aus (Touch-Latch-Funktionalität).The energy storage serves on the one hand to wind the traction means with unlocked clutch. On the other hand, the energy accumulator ensures a mechanical tension along the traction means. As a result, forces exerted by a user on the movable furniture part can be transmitted via the traction means on the role. A tensile or compressive force on the movable furniture part thereby leads to a certain rotation of the role, which can be detected by a suitable sensor (for example, rotary potentiometer). The sensor then triggers the electric motor of the feeder (touch-latch functionality).
Weitere Vorteile und Einzelheiten der Erfindung ergeben sich anhand der Figuren sowie der dazugehörigen Figurenbeschreibung. Dabei zeigen:Further advantages and details of the invention will become apparent from the figures and the associated description of the figures. Showing:
Fig. 1a bis 1c zwei perspektivische Ansichten bzw. Explosionsdarstellungen eines1a to 1c are two perspective views and exploded views of a
Ausführungsbeispiels einer erfindungsgemäßen Kupplung,Embodiment of a coupling according to the invention,
Fig. 2a bis 2d eine Draufsicht sowie jeweils eine dazugehörige Schnittdarstellung einer erfindungsgemäßen Kupplung in verschiedenen2a to 2d a plan view and in each case an associated sectional view of a coupling according to the invention in various
Betriebsstellungen,Operating positions,
Fig. 3 eine perspektivische Ansicht einer Einzugsvorrichtung mit der erfindungsgemäßen Kupplung,3 is a perspective view of a collection device with the coupling according to the invention,
Fig. 4 eine weitere Ansicht zur Fig. 3 in einer unterschiedlichen Betriebsstellung,4 shows a further view of FIG. 3 in a different operating position,
Fig. 5 einen Ausschnitt eines Möbelkorpus mit einem bewegbaren Möbelteil und einer Einzugsvorrichtung nach den Fig. 3 und 4,5 shows a section of a furniture body with a movable furniture part and a collection device according to FIGS. 3 and 4,
Fig. 6 eine Detaildarstellung zur Fig. 5 undFig. 6 is a detail view of FIG. 5 and
Fig. 7a bis 7c verschiedene Ansichten eines Einführvorganges.Fig. 7a to 7c different views of an insertion process.
Die Fig. 1a und 1b zeigen zwei unterschiedliche perspektivische Ansichten einer erfindungsgemäßen Kupplung 1. Die Kupplung 1 weist einen ersten Kupplungsteil 2 auf, welcher an einem in der Fig. 1 nicht dargestellten bewegbaren Möbelteil montierbar ist. Weiters ist ein zweiter Kupplungsteil 3 vorgesehen, welcher in diesem Ausführungsbeispiel einen mit Rillen 10 versehenen Stift 9 aufweist (In Fig. 1c sind aus Gründen der Übersichtlichkeit nur die vordersten drei Rillen mit dem Bezugszeichen 10 versehen.).FIGS. 1a and 1b show two different perspective views of a coupling 1 according to the invention. The coupling 1 has a first coupling part 2, which can be mounted on a movable furniture part (not shown in FIG. 1). Furthermore, a second coupling part 3 is provided, which in this Embodiment has a provided with grooves 10 pin 9 (in Fig. 1c, for clarity, only the foremost three grooves are provided with the reference numeral 10.).
Erkennbar ist, dass der erste Kupplungsteil 2 eine Öffnung 4 aufweist, in welche der Stift 9 des zweiten Kupplungsteils 3 unterschiedlich tief einführbar ist (zum Beispiel zwischen 2 mm und 6 mm). Der Öffnung 4 vorgelagert ist ein Trichter 6 zum Einfangen des Stiftes 9 (siehe insbesondere die Fig. 7a bis 7c).It can be seen that the first coupling part 2 has an opening 4 into which the pin 9 of the second coupling part 3 can be inserted at different depths (for example between 2 mm and 6 mm). The opening 4 is preceded by a funnel 6 for capturing the pin 9 (see in particular Figs. 7a to 7c).
In diesem Ausführungsbeispiel ist der zweite Kupplungsteil 2 im Wesentlichen zweiteilig ausgeführt, wobei zwischen den beiden Teilen der Verriegelungsmechanismus 5 angeordnet ist. Der Verriegelungsmechanismus 5 weist zwei schwenkbar gelagerte Klemmbacken 8 auf, welche durch einen Kraftspeicher 7 in Verriegelungsrichtung vorgespannt sind.In this embodiment, the second coupling part 2 is designed substantially in two parts, wherein between the two parts of the locking mechanism 5 is arranged. The locking mechanism 5 has two pivotally mounted jaws 8, which are biased by a force accumulator 7 in the locking direction.
Wie insbesondere aus den Fig. 2a bis 2d hervorgeht, welche einen Einführvorgang (Fig. 2a bis 2c) bzw. einen Entriegelungsvorgang (Fig. 2d) zeigen, werden die beiden Klemmbacken 8 gegen die Beaufschlagung des Kraftspeichers 7 während des Einführens des Stiftes 9 auseinandergedrückt. Hierdurch kommt es zu einer leichten Dehnung des Kraftspeichers 7.As can be seen in particular from FIGS. 2a to 2d, which show an insertion process (FIGS. 2a to 2c) and an unlocking process (FIG. 2d), the two clamping jaws 8 are pressed apart against the action of the force store 7 during the insertion of the pin 9 , This results in a slight stretching of the force accumulator. 7
In Fig. 2c befindet sich die Kupplung 1 im Verriegelungszustand und der Kraftspeicher 7 drückt die Klemmbacken 8 gegen eine einzige Rille 10 des Stiftes 9.In Fig. 2c, the clutch 1 is in the locked state and the energy storage 7 presses the jaws 8 against a single groove 10 of the pin. 9
Insbesondere in der Schnittdarstellung der Fig. 2d ist erkennbar, dass bei Überschreiten der durch den Kraftspeicher 7 ausgeübten Kraft die Klemmbacken 8 durch den Stift 9 auseinandergedrückt werden, wodurch sich der Kraftspeicher 7 leicht dehnt. Hierdurch kann der zweite Kupplungsteil 3 aus dem ersten Kupplungsteil 2 entfernt werden.In particular, in the sectional view of Fig. 2d can be seen that when exceeding the force exerted by the force memory 7 force the jaws 8 are pushed apart by the pin 9, whereby the energy storage 7 is slightly stretched. As a result, the second coupling part 3 can be removed from the first coupling part 2.
Wesentlich ist, dass in diesem Ausführungsbeispiel durch die Vielzahl der Rillen 10 der Stift 9 stufenlos unterschiedlich weit in die Öffnung 4 eingeführt werden kann. Die Klemmbacken 8 können den Stift 9 in jeder Position verriegeln, da der Stift 9 im Wesentlichen über seine gesamte axiale Erstreckung unterbrochen mit Rillen 10 versehen ist. Fig. 3 zeigt eine Einzugsvorrichtung für ein nicht dargestelltes bewegbares Möbelteil. Die Einzugsvorrichtung ist in einem Antrieb 12 ausgebildet, welcher neben der Einzugsvorrichtung noch eine Ausstoßvorrichtung mit einem Ausstoßhebel 14 aufweist. Die Einzugsvorrichtung ist in einem Gehäuse 13 angeordnet, aus welchem das Zugmittel 11 herausgeführt ist. Das Zugmittel 11 ist mit dem zweiten Kupplungsteil 3 der in den vorherigen Figuren dargestellten Kupplung 1 verbunden.It is essential that in this embodiment, by the plurality of grooves 10 of the pin 9 can be inserted variably different distances in the opening 4. The jaws 8 can lock the pin 9 in any position, since the pin 9 is provided with grooves 10 interrupted substantially over its entire axial extent. Fig. 3 shows a collection device for a not shown movable furniture part. The collection device is embodied in a drive 12 which, in addition to the collection device, also has an ejection device with an ejection lever 14. The collection device is arranged in a housing 13, from which the traction means 11 is led out. The traction means 11 is connected to the second coupling part 3 of the coupling 1 shown in the previous figures.
Das Gehäuse 13 weist ein Fenster 14 auf, das wesentlich größer ist als der Querschnitt des Zugmittels 11. Hierdurch wird ein Ausgleich von Einbautoleranzen in Richtungen orthogonal zur dargestellten Richtung des Zugmittels 11 gestattet. Der Tiefenausgleich wird durch den oben beschriebenen Mechanismus gewährleistet, sodass sich insgesamt ein Ausgleich in allen Raumrichtungen ergibt.The housing 13 has a window 14, which is substantially larger than the cross section of the traction means 11. This allows a compensation of installation tolerances in directions orthogonal to the illustrated direction of the traction means 11. The depth compensation is ensured by the mechanism described above, so that overall results in a compensation in all directions.
Fig. 4 zeigt den in Fig. 3 angestellten Antrieb 12, wobei das Zugmittel 11 vollständig auf die nicht dargestellte Rolle aufgewickelt wurde.Fig. 4 shows the employee employed in Fig. 3 drive 12, wherein the traction means 11 has been completely wound up on the roller, not shown.
Fig. 5 zeigt einen Ausschnitt eines Möbelkorpus 15, in welchem eine Schublade 16 als bewegbares Möbelteil bewegbar gelagert ist. An der Rückseite der Schublade 16 ist der erste Kupplungsteil 2 einer erfindungsgemäßen Kupplung 1 angeordnet. In dem in Fig. 5 dargestellten Zustand ist der zweiten Kupplungsteil 3 der erfindungsgemäßen Kupplung 1 mit dem ersten Kupplungsteil 2 verbunden, sodass die Schublade 16 durch das Zugmittel 11 in ihre geschlossene Endlage in den Möbelkorpus 15 bewegt werden kann. Der Ausstoßhebel 14 dient zum Ausstoßen der Schublade 16 aus dem Möbelkorpus 15.Fig. 5 shows a section of a furniture body 15, in which a drawer 16 is movably mounted as a movable furniture part. At the rear of the drawer 16, the first coupling part 2 of a coupling 1 according to the invention is arranged. In the state shown in Fig. 5, the second coupling part 3 of the coupling 1 according to the invention is connected to the first coupling part 2, so that the drawer 16 can be moved by the traction means 11 in its closed end position in the furniture body 15. The ejection lever 14 serves to eject the drawer 16 from the furniture body 15th
Fig. 6 zeigt eine Detaildarstellung zur Fig. 5.FIG. 6 shows a detailed representation of FIG. 5.
Die Fig. 7a bis 7c zeigen eine Situation, in welche durch Einbautoleranzen der zweite Kupplungsteil 3 relativ zum ersten Kupplungsteil 2 außermittig angeordnet ist. Erkennbar ist, dass der Trichter 6 dennoch das Einfangen des Stiftes 9 des zweiten Kupplungsteils 3 gestattet. FIGS. 7a to 7c show a situation in which the second coupling part 3 is arranged off-center relative to the first coupling part 2 by installation tolerances. It can be seen that the funnel 6 still allows the capture of the pin 9 of the second coupling part 3.

Claims

Patentansprüche: claims:
1. Einzugsvorrichtung für ein bewegbares Möbelteil, mit einem auf einer Rolle aufwickelbaren Zugmittel, wobei ein Elektromotor zum Antreiben der Rolle vorgesehen ist und mit einer Kupplung zur lösbaren Verbindung des bewegbaren Möbelteils mit dem Elektroantrieb, mit einem zur Befestigung am bewegbaren Möbelteil bestimmten ersten Kupplungsteil und einem mit dem Zugmittel verbundenem zweiten Kupplungsteil, wobei der erste Kupplungsteil eine Öffnung zur zumindest teilweisen Aufnahme des zweiten Kupplungsteils aufweist, dadurch gekennzeichnet, dass ein Verriegelungsmechanismus (5) vorgesehen ist, durch den der erste Kupplungsteil (2) mit dem zweiten Kupplungsteil (3) in wenigstens zwei unterschiedlichen Positionen verbindbar ist, wobei sich der zweite Kupplungsteil (3) in den beiden unterschiedlichen Positionen unterschiedlich tief in der Öffnung (4) befindet.1. retraction device for a movable furniture part, with a wound on a roll traction means, wherein an electric motor for driving the roller is provided and with a coupling for detachable connection of the movable furniture part with the electric drive, with a certain fixed for attachment to the movable furniture part first coupling part and a second coupling part connected to the traction means, wherein the first coupling part has an opening for at least partially receiving the second coupling part, characterized in that a locking mechanism (5) is provided, through which the first coupling part (2) with the second coupling part (3) is connectable in at least two different positions, wherein the second coupling part (3) in the two different positions is different deep in the opening (4).
2. Einzugsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Verriegelungsmechanismus (5) die Verbindung zwischen dem ersten und dem zweiten Kupplungsteil (2, 3) bei Erreichen einer vorgegebenen Trennkraft löst.2. Feed device according to claim 1, characterized in that the locking mechanism (5) solves the connection between the first and the second coupling part (2, 3) upon reaching a predetermined release force.
3. Einzugsvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die vorgegebene Trennkraft für die wenigstens zwei unterschiedlichen Positionen gleich groß ist.3. Feed device according to claim 2, characterized in that the predetermined separation force for the at least two different positions is the same.
4. Einzugsvorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Verriegelungsmechanismus (5) zwei durch einen Kraftspeicher (7) gegeneinander vorgespannte Klemmbacken (8) aufweist, welche den zweiten Kupplungsteil (3) im Verriegelungszustand festklemmen.4. Feed device according to claim 2 or 3, characterized in that the locking mechanism (5) has two by a force accumulator (7) against each other biased clamping jaws (8) which clamp the second coupling part (3) in the locked state.
5. Einzugsvorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass am zweiten Kupplungsteil (3) ein Stift (9) zum Einführen in die Öffnung (4) angeordnet ist. 5. Feed device according to one of claims 1 to 4, characterized in that on the second coupling part (3) a pin (9) for insertion into the opening (4) is arranged.
6. Einzugsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass am Stift (9) wenigstens zwei axial voneinander beabstandete Rastpositionen für die Klemmbacken (8) angeordnet sind.6. Feed device according to claim 5, characterized in that the pin (9) at least two axially spaced detent positions for the clamping jaws (8) are arranged.
7. Einzugsvorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass jede der Rastpositionen wenigstens eine Rille (10) aufweist, in welche die Klemmbacken (8) im Verriegelungszustand eingreifen.7. Feed device according to claim 6, characterized in that each of the detent positions has at least one groove (10), in which engage the jaws (8) in the locked state.
8. Einzugsvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass die Anzahl der Rillen (10), in welche die Klemmbacken (8) im Verriegelungszustand eingreifen, für jede der Rastpositionen gleich groß ist.8. Feed device according to claim 7, characterized in that the number of grooves (10), in which engage the jaws (8) in the locked state, for each of the locking positions is equal.
9. Einzugsvorrichtung nach Anspruch 8 oder 9, dadurch gekennzeichnet, dass der Stift (9) über seine axiale Erstreckung eine Vielzahl benachbarter Rillen (10) aufweist.9. Feed device according to claim 8 or 9, characterized in that the pin (9) has over its axial extent a plurality of adjacent grooves (10).
10. Einzugsvorrichtung nach einem der Ansprüche 5 bis 9, dadurch gekennzeichnet, dass sich vor der Öffnung (4) ein Trichter (6) zum Einfangen des Stifts (9) befindet.10. Feed device according to one of claims 5 to 9, characterized in that in front of the opening (4) is a funnel (6) for catching the pin (9).
11. Einzugsvorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der zweite Kupplungsteil (3) mit dem Zugmittel (11) einer Einzugsvorrichtung verbindbar ist.11. Feed device according to one of claims 1 to 10, characterized in that the second coupling part (3) with the traction means (11) of a collection device is connectable.
12. Einzugsvorrichtung nach einem der Ansprüche 1 bis 11 , dadurch gekennzeichnet, dass die Einzugsvorrichtung ein Gehäuse (13) aufweist, in welchem die Rolle und der Elektromotor angeordnet sind.12. Feed device according to one of claims 1 to 11, characterized in that the retraction device comprises a housing (13), in which the roller and the electric motor are arranged.
13. Einzugsvorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass das Gehäuse (13) im Abwickelbereich der Rolle ein Fenster (14) aufweist, das wesentlich größer ist, als der Querschnitt des Zugmittels (11).13. Feed device according to claim 12, characterized in that the housing (13) in the unwinding region of the roller has a window (14) which is substantially larger than the cross section of the traction means (11).
14. Einzugsvorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die Rolle in Aufwickelrichtung durch einen Kraftspeicher vorgespannt ist. 14. Feed device according to one of claims 1 to 13, characterized in that the roller is biased in the winding by an energy storage.
EP08706032A 2007-04-23 2008-02-27 Coupling for a movable piece of furniture Not-in-force EP2136680B1 (en)

Applications Claiming Priority (2)

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AT0062707A AT505207B1 (en) 2007-04-23 2007-04-23 FEEDING DEVICE FOR A MOVABLE FURNITURE PART
PCT/AT2008/000063 WO2008128257A1 (en) 2007-04-23 2008-02-27 Coupling for a movable piece of furniture

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EP2136680A1 true EP2136680A1 (en) 2009-12-30
EP2136680B1 EP2136680B1 (en) 2010-07-21

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US (1) US8344670B2 (en)
EP (1) EP2136680B1 (en)
JP (1) JP5324564B2 (en)
CN (1) CN101668456B (en)
AT (2) AT505207B1 (en)
DE (1) DE502008000995D1 (en)
ES (1) ES2348570T3 (en)
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CN101668456B (en) 2011-10-05
ES2348570T3 (en) 2010-12-09
AT505207A1 (en) 2008-11-15
CN101668456A (en) 2010-03-10
US20100038467A1 (en) 2010-02-18
JP5324564B2 (en) 2013-10-23
DE502008000995D1 (en) 2010-09-02
MY149411A (en) 2013-08-30
EP2136680B1 (en) 2010-07-21
ATE474473T1 (en) 2010-08-15
AT505207B1 (en) 2011-08-15
US8344670B2 (en) 2013-01-01
JP2010525840A (en) 2010-07-29
WO2008128257A1 (en) 2008-10-30

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