EP2272400B1 - Locking device and drawer slide - Google Patents

Locking device and drawer slide Download PDF

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Publication number
EP2272400B1
EP2272400B1 EP10166988.5A EP10166988A EP2272400B1 EP 2272400 B1 EP2272400 B1 EP 2272400B1 EP 10166988 A EP10166988 A EP 10166988A EP 2272400 B1 EP2272400 B1 EP 2272400B1
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EP
European Patent Office
Prior art keywords
detent
switching
switching element
switch element
opening
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
EP10166988.5A
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German (de)
French (fr)
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EP2272400A1 (en
Inventor
Andreas Hoffmann
Patrick Freiheit
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
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Publication date
Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Priority to PL10166988T priority Critical patent/PL2272400T3/en
Publication of EP2272400A1 publication Critical patent/EP2272400A1/en
Application granted granted Critical
Publication of EP2272400B1 publication Critical patent/EP2272400B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
    • E05C19/022—Released by pushing in the closing direction
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/46—Locks or fastenings for special use for drawers

Definitions

  • the present invention relates to a detent fitting, in particular for a drawer slide of a drawer, according to the preamble of claim 1, and a pullout guide.
  • the EP 743 032 A2 discloses a drawer slide comprising a detent fitting. This comprises a along a switching cam movably mounted latch, which is movable via a driver. The latch is biased by a tension spring. For a locking of the latch, a locking receptacle is formed on the switching cam. From the locked position, the latch can be selectively moved by pressing and pivoting in a guideway of the switching cam or the latch is pulled out over the drawer so that a spring bar deforms and the latch also enters the track of the switching curve.
  • the DE 11 2006 002 890 T5 discloses a pullout guide with a latching mechanism in which a movable body is mounted on a guide block. When closing the movable body is moved from its neutral position and a rail of the drawer guide can be held on the body. To open the rail is then unlocked on the movable body.
  • the US 2009/0079205 A1 discloses a latching mechanism in which a pin can be held on a detent recess. If a large force acts on the pin, the detent recess can be rotated and release the pin. In addition, unlocking can also be done by moving the pin along a guideway.
  • the detent recess of the switching cam is at least partially displaceable or pivotally mounted and the switching element is - preferably in an overload - released from the latched position.
  • the detent recess is avoided, which is mounted displaceably or pivotally and therefore allows unlocking of the switching element.
  • This gives the user the ability to unlock the locking fitting either by inserting the drawer slide or the drawer or by pulling out. Even after a large number of unlocking by pulling movements, the locking recess retains the functionality. Pivoting means twisting around a space axis, moving a translation. These two movements can also overlap.
  • the detent recess comprises at least two relatively movable parts.
  • the movable part of the detent recess is biased by a spring into a starting position. This ensures that the detent recess is reset after an unlocking movement back to the starting position, so that the switching element can lock again on the detent recess.
  • the movable part can be rotatably mounted about an axis.
  • the movable part may comprise a disc on which a projection is formed as part of the detent recess, on which a stop for the switching element is formed. The disc can then form the pivot bearing.
  • the movable part of the detent recess is slidably mounted along a linear guide.
  • the switching element can be released at a tensile load by moving the movable part.
  • the switching element can be moved out of the latching position by means of the movable part.
  • the switching element can be moved by the movable part in an adjacent region of the switching curve, so that then the switching element can be moved by the bias of the spring along the switching curve.
  • the latching fitting with the movable part is given a further functionality, since the release of the latching fitting can take place on the one hand by a displacement of the switching element and on the other hand by the movable part.
  • the unlocking of the detent fitting on the movable part can be triggered mechanically, electromechanically, magnetically or in other ways.
  • the switching curve force storage load may be mounted relatively displaceable to the trigger.
  • the switching curve can be moved over the end portion in the extension direction. Through a recess on the housing of the shutter is fixed, thus the switching curve can be moved relative to the shutter.
  • a force is exerted on the switching cam in the region of the detent recess via the switching element and its end portion. Due to the larger contact surface of the end section on the switching curve, the switching curve is shifted relative to the trigger.
  • the trigger causes by its oblique contact surface, that the end portion is pressed against the run-on slope.
  • the switching curve is moved further in the extension direction and the end portion enters the loop-shaped area.
  • the ejection mechanism thus aids in opening the pusher.
  • the component with the switching cam is moved back into the end position by a force store against the withdrawal direction. When closing the end section can be locked again in the detent recess.
  • a pullout guide 1 comprises a stationary guide rail 2 which can be mounted on a furniture body.
  • a running rail 3 is movably held, on which a protruding activator 17 is fixed.
  • an extending center rail can be arranged between the guide rail 2 and the running rail 3 of a pullout guide.
  • the activator 17 can be coupled to a driver 7, which is movable along a cam guide 5 of a housing 4.
  • the housing 4 can be fixed to the guide rail 2.
  • a housing 6 of a spring element is fixed on the housing 4.
  • the housing 6 can be latched to a nozzle 65 which is formed integrally with the housing 4.
  • the driver 7 is coupled to a rod 60 which is locked with a thickened ball-head-like end portion 61 in a dome-like receptacle.
  • the rod 60 is connected at the end opposite to the end portion 61 with a disc 62 to which one end of a spring 63 abuts.
  • the opposite end of the spring 63 is attached to a lid 64 of the Housing 6 supported.
  • the housing 6 may also be integral with the lid 64 as a housing 6 'according to the FIGS. 9A and 9B be executed.
  • the driver 7 also has a boom 8, on which a coupling element 9 is fixed.
  • the coupling element 9 is connected to a switching element 10, which is formed as a metallic wire having a bent end portion 11.
  • the bent end portion 11 of the switching element 10 engages in a switching cam 20, which is integrally formed with a component 18 made of plastic.
  • the component 18 is fixed to the housing 4 via a fastening element 13.
  • the housing 4 has a counterpart 14 which is latched to the fastening element 13.
  • a bottom 12 is further formed, which is spaced from the component 18 is arranged. This makes it possible that the wire of the switching element 10 is moved between the bottom 12 and the component 18, wherein the bent end portion 11 engages the switching cam 20. Furthermore, the bottom 12 prevents the deflection of the bent end portion 11 from the switching cam 20.
  • a drawer coupled to the running rail 3 is in a closed position and the switching element 10 is held in the switching cam 20 in such a way that it is latched.
  • the bent end portion 11 is located in a detent recess 26 of the switching cam 20 and is pressed into the detent recess 26 by the force of the spring 63 via the rod 60, the driver 7 and the other coupling elements.
  • the switching cam 20 in the housing 18 is groove-shaped and comprises a loop-shaped portion 23rd
  • the switching element 10 is therefore first moved into the receptacle 25 until a front panel of the drawer strikes the furniture body. Then the pullout guide 1 is moved back to a latching recess 26 due to the force of the compression spring 63, so that the in FIG. 4A shown position is reached.
  • the switching element 10 is moved along the switching cam 20 in the loop-shaped portion 23 to a junction 24 which is disposed adjacent to a groove-shaped receptacle 25.
  • the switching element 10 is moved with the bent end portion 11 in the receptacle 25 until the drawer strikes the furniture body. Subsequently, the user lets go of the drawer, so that the spring 63 moves the drawer slightly together with the driver 7 and the switching element 10 in the opening direction. By this movement, the bent end portion 11 of the switching element 10 enters the detent recess 26, so that the starting position is reached.
  • FIG. 5A the area of the switching cam 20 adjacent to the groove-shaped receptacles 25 and 27 is shown in detail.
  • the bent end portion 11 of the switching element 10 is located in the detent recess 26, which is formed by a projection 31 which protrudes from a disc 30.
  • the disc 30 is rotatably supported relative to an adjacent projection 40 of the component 18.
  • FIG. 5B can be unlocked by turning the disc 30 counterclockwise, the switching element 10 by the detent recess 26 is rotated together with the disc 30 so that due to the force of the compression spring 63, the end portion 11 along the projection 31 slides along and in the loop-shaped Section 23 of the switching curve 20 passes.
  • the disk 30 can be biased by an energy storage, for example in the form of a spring, in the starting position, as in FIG. 5A is shown. In this case, the disc 30 abut against a stop of the component 18.
  • FIG. 6A a modified embodiment of a switching cam 20 with a detent recess 26 is shown.
  • a projection 31' is formed, which is rotatable together with the disc 30 '.
  • the detent recess 26 is formed by the movable projection 31 'and a fixed projection 41' which is integral is formed with the component 18.
  • 20 further projections 40 ' are formed fixed to form the switching cam.
  • the disc 30 ' In order to unlock the switching element 10, the disc 30 'can be rotated together with the projection 31', as shown in FIG. 6B is shown. Thereby, a gap is formed between the projection 31 'and the projection 41', by which the bent end portion 11 of the switching element 10 is moved by the force of the compression spring 63. As a result, the end portion 11 returns to the loop-shaped portion 23 of the switching cam 20th
  • FIG. 7A a further embodiment of the switching cam 20 is shown, in which the detent recess 26 is formed in several parts. Similar to the embodiment of the FIG. 6A a disk 30 'is rotatably mounted on the component 18. The detent recess 26 is formed by a stationary projection 41 ', which is formed integrally with the projection 40' of the component 18. On the disc 30 ', a bolt-shaped projection 35 is provided, which forms a stop for the bent end portion 11 of the switching element 10. By turning the disc 30 ', the bolt-shaped projection 35 is removed from the projection 41', so that the end portion 11 between the projection 35 and the projection 41 'in the loop-shaped portion 23 of the switching cam 20 can pass.
  • a stationary projection 40 " is formed on the switching cam 20, which forms a detent recess together with a movable projection 30".
  • the end portion 11 is held in the starting position in the latching recess 26.
  • FIG. 8B can be released by moving the projection 30 "down a channel 32", through which the end portion 11 can enter the loop-shaped portion 23 of the switching cam 20.
  • the projection 30 is displaceably mounted on the component 18.
  • the displaceable projection 30 may on the one hand be designed as an overload protection in order to unlock the switching element 10 when pulling on the drawer, and on the other hand, a triggering of the switching element 10 can take place via the projection 30".
  • the projection 30 "according to Figure 8C is moved in the direction shown to push out the bent end portion 11 of the switching element 10 from the detent recess 26.
  • the unlocking The switching element 10 may be mechanical, electromechanical, magnetic or other triggering means.
  • FIGS. 9A and 9B a catch fitting is shown in which a component 18 'is mounted relative to the shutter 70 in a housing 4 so as to be relatively displaceable.
  • the component 18 ' is loaded via an energy store in the form of a tension spring 66 against the extension direction.
  • the tension spring 66 is fixed via a Federend Scheme 67 in the counterpart 14 on the housing 4 and via a further Glasfederfact on the component 18 '.
  • the switching cam 20 can be moved over the end portion 11 in the extension direction.
  • a recess 71 on the housing 4 of the trigger 70 is fixed, thus the switching curve 20 can be moved relative to the shutter 70.
  • FIGS. 10A to 10H show the process in an overload situation as it can be caused by the manual opening without the previous triggering of the ejection mechanism.
  • the arrows in the FIGS. 10A to 10H illustrate the direction of movement of the component 18 'with the switching cam 20 relative to the trigger 70th
  • the latching recess is formed by a movable part which releases the switching element 10 at a predetermined force.
  • the movable parts 30, 30 ', 30 can thereby by means of a force accumulator be biased for example in the form of a spring in a starting position.
  • the direction of movement of the movable parts can be chosen arbitrarily, in particular, the projections for securing the switching element can also be moved perpendicular to the direction of movement of the switching element 10.
  • FIG. 11 a further embodiment of a detent fitting is shown, which, as in the other embodiments, a housing 4 with a cam guide 5, on which a driver 7 is movable.
  • the driver 7 is biased by a spring means in an opening direction, wherein the spring means comprises a housing 6 in which a compression spring 63 is arranged, which biases a rod 60 "via a ring 62 in the opening direction, said rod 60" via an end portion 61st is coupled to the driver 7.
  • the driver 7 comprises a boom 8, to which an end portion 9 'of a switching element 10 is fixed.
  • the switching element 10 is formed as a bent wire, which is fixed to the end portion 9 'on the driver 7 and has an opposite curved end portion 11 which is guided in a switching cam 20 which is formed in a component 18 "and a guide member 70".
  • the guide element 70 “comprises laterally two projections 72", each of which engage and are fixed in a receptacle 71 "of the housing 4.
  • the component 18" is displaceably mounted relative to the housing 4 and the guide element 70 " thereby biased by the spring 76 in a starting position, wherein the spring 76 is fixed to a first end 77 on a counterpart 14 of the housing 4 and is fixed to an opposite end 78 to the component 18 ".
  • FIG. 12A the switching cam 20 is shown with the end portion 11 in a detent recess 26, which corresponds to the closed position of a coupled to the driver 7 drawer.
  • the switching element 10 can be unlocked as in the first embodiment by pressure in the closing direction, in which case the end portion 11 engages against the stop bevel 28 in the receptacle 27 and is moved by the force of the spring 63 along the switching cam 20 in the opening direction.
  • a loop-shaped portion 23 of the switching cam 20 is divided, wherein a first part of the loop-shaped portion 23 by the guide member 70 "and a second part by the component 18" is formed.
  • the switching element 10 is further moved by pulling in the opening direction, the in FIG. 12C reached shown position.
  • the component 18 has been displaced by a distance between, for example, 5 mm to 30 mm in the opening direction, so that the switching element 11 is arranged in an unlocking channel 79 in the guide element 70".
  • the switching element 11 can be moved via the unlocking channel 79 into the loop-shaped section 23 and the adjoining outlet region 29.
  • the component 18 moves back to the starting position due to the force of the spring 76.
  • the spring 76 is fixed to the receptacle 75 of the component 18 "with the end portion 78. In the starting position, the component 18" bears against a stop of the housing 4 or of the guide element 70 ".

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Lock And Its Accessories (AREA)

Description

Die vorliegende Erfindung betrifft einen Rastbeschlag, insbesondere für eine Auszugsführung eines Schubkastens, nach dem Oberbegriff des Anspruches 1, sowie eine Auszugsführung.The present invention relates to a detent fitting, in particular for a drawer slide of a drawer, according to the preamble of claim 1, and a pullout guide.

Die EP 743 032 A2 offenbart eine Schubkastenauszugsführung, die einen Rastbeschlag umfasst. Dieser umfasst eine entlang einer Schaltkurve verfahrbar gelagerte Rastklinke, die über einen Mitnehmer bewegbar ist. Die Rastklinke ist dabei durch eine Zugfeder vorgespannt. Für eine Verriegelung der Rastklinke ist eine Rastaufnahme an der Schaltkurve ausgebildet. Aus der verriegelten Position kann die Rastklinke wahlweise durch Eindrücken und Verschwenken in eine Führungsbahn der Schaltkurve bewegt werden oder die Rastklinke wird über den Schubkasten herausgezogen, so dass ein Federsteg sich verformt und die Rastklinke ebenfalls in die Führungsbahn der Schaltkurve gelangt. Dabei ist nachteilig, dass die Materialbelastung bei einem Herausziehen der Rastklinke für den Federsteg hoch ist und eine solche Konstruktion als Überlastsicherung ungeeignet ist, denn wenn der Federsteg sich nach mehrmaligen Verformen nicht wieder in die Ausgangsstellung zurückbewegt, wird ein Verrasten der Rastklinke mangels korrekt positionierter Rastaufnahme unmöglich. Zudem kann der biegbare Federsteg auch leicht verklemmen, so dass ein Öffnen durch Ziehen an der Rastklinke verhindert wird.The EP 743 032 A2 discloses a drawer slide comprising a detent fitting. This comprises a along a switching cam movably mounted latch, which is movable via a driver. The latch is biased by a tension spring. For a locking of the latch, a locking receptacle is formed on the switching cam. From the locked position, the latch can be selectively moved by pressing and pivoting in a guideway of the switching cam or the latch is pulled out over the drawer so that a spring bar deforms and the latch also enters the track of the switching curve. It is disadvantageous that the material load is high when pulling out the latch for the spring bar and such a construction is unsuitable as overload protection, because if the spring bar does not move back to the starting position after repeated deformations, a latching of the latch is in the absence of correctly positioned locking receptacle impossible. In addition, the bendable spring bar can also easily jam, so that opening by pulling on the latch is prevented.

Die DE 11 2006 002 890 T5 offenbart eine Auszugsführung mit einem Rastmechanismus, bei dem an einem Führungsblock ein beweglicher Körper gelagert ist. Beim Schließen wird der bewegliche Körper aus seiner neutralen Stellung bewegt und eine Schiene der Auszugsführung kann an dem Körper gehalten werden. Zum Öffnen wird dann die Schiene an dem beweglichen Körper entriegelt.The DE 11 2006 002 890 T5 discloses a pullout guide with a latching mechanism in which a movable body is mounted on a guide block. When closing the movable body is moved from its neutral position and a rail of the drawer guide can be held on the body. To open the rail is then unlocked on the movable body.

Die US 2009/0079205 A1 offenbart einen Rastmechanismus, bei dem ein Stift an einer Rastmulde gehalten werden kann. Wenn auf den Stift eine große Kraft wirkt, kann die Rastmulde gedreht werden und den Stift freigeben. Zudem kann eine Entriegelung auch durch Bewegen des Stiftes entlang einer Führungsbahn erfolgen.The US 2009/0079205 A1 discloses a latching mechanism in which a pin can be held on a detent recess. If a large force acts on the pin, the detent recess can be rotated and release the pin. In addition, unlocking can also be done by moving the pin along a guideway.

Es ist daher Aufgabe der vorliegenden Erfindung, einen Rastbeschlag für eine Auszugsführung zu schaffen, der auch bei einer Zugbewegung eine sichere Entriegelung des Schaltelements ermöglicht.It is therefore an object of the present invention to provide a detent fitting for a pullout guide that allows safe release of the switching element even with a pulling movement.

Diese Aufgabe wird mit einem Rastbeschlag mit den Merkmalen des Anspruches 1 gelöst.This object is achieved with a locking fitting with the features of claim 1.

Erfindungsgemäß ist die Rastmulde der Schaltkurve mindestens teilweise verschiebbar oder verschwenkbar gelagert und das Schaltelement ist - vorzugsweise bei einer Überlast - aus der verrasteten Position freigegeben. Dadurch wird ein Verbiegen und eine Materialbelastung der Rastmulde vermieden, die verschiebbar oder verschwenkbar gelagert ist und daher eine Entriegelung des Schaltelements ermöglicht. Dadurch erhält der Benutzer die Möglichkeit, den Rastbeschlag wahlweise durch Einschieben der Auszugsführung bzw. des Schubkastens oder durch Herausziehen zu entriegeln. Auch nach einer Vielzahl von Entriegelungen durch Zugbewegungen behält die Rastmulde die Funktionalität bei. Ein Verschwenken bedeutet ein Verdrehen um eine Raumachse, ein Verschieben eine Translation. Diese beiden Bewegungen können sich auch überlagern.According to the invention the detent recess of the switching cam is at least partially displaceable or pivotally mounted and the switching element is - preferably in an overload - released from the latched position. As a result, bending and a material loading of the detent recess is avoided, which is mounted displaceably or pivotally and therefore allows unlocking of the switching element. This gives the user the ability to unlock the locking fitting either by inserting the drawer slide or the drawer or by pulling out. Even after a large number of unlocking by pulling movements, the locking recess retains the functionality. Pivoting means twisting around a space axis, moving a translation. These two movements can also overlap.

Gemäß der Erfindung umfasst die Rastmulde mindestens zwei relativ zueinander bewegbare Teile. Dabei ist der bewegbare Teil der Rastmulde durch eine Feder in eine Ausgangsposition vorgespannt. Dadurch ist gewährleistet, dass die Rastmulde nach einer Entriegelungsbewegung wieder in die Ausgangsposition zurückgesetzt wird, damit das Schaltelement erneut an der Rastmulde verrasten kann.According to the invention, the detent recess comprises at least two relatively movable parts. In this case, the movable part of the detent recess is biased by a spring into a starting position. This ensures that the detent recess is reset after an unlocking movement back to the starting position, so that the switching element can lock again on the detent recess.

Um die Rastmulde mindestens teilweise präzise zu bewegen, kann der bewegbare Teil um eine Achse drehbar gelagert sein. Dabei kann der bewegbare Teil eine Scheibe umfassen, an der ein Vorsprung als Teil der Rastmulde ausgebildet ist, an der ein Anschlag für das Schaltelement ausgebildet ist. Die Scheibe kann dann die Drehlagerung ausbilden.In order to move the catch recess at least partially precisely, the movable part can be rotatably mounted about an axis. In this case, the movable part may comprise a disc on which a projection is formed as part of the detent recess, on which a stop for the switching element is formed. The disc can then form the pivot bearing.

Gemäß einer alternativen Ausgestaltung ist der bewegbare Teil der Rastmulde entlang einer Linearführung verschiebbar gelagert. Dadurch kann das Schaltelement bei einer Zugbelastung durch Verschieben des bewegbaren Teils freigegeben werden.According to an alternative embodiment, the movable part of the detent recess is slidably mounted along a linear guide. Thereby, the switching element can be released at a tensile load by moving the movable part.

Gemäß einer weiteren Ausgestaltung ist mittels des bewegbaren Teils das Schaltelement aus der Rastposition heraus bewegbar. Insbesondere kann das Schaltelement durch das bewegbare Teil in einen benachbarten Bereich der Schaltkurve verschoben werden, so dass dann das Schaltelement durch die Vorspannung der Feder entlang der Schaltkurve bewegt werden kann. Dadurch erhält der Rastbeschlag mit dem bewegbaren Teil eine weitere Funktionalität, da die Auslösung des Rastbeschlages einerseits durch ein Verschieben des Schaltelements und andererseits durch das bewegbare Teil erfolgen kann. Die Entriegelung des Rastbeschlages über das bewegbare Teil kann mechanisch, elektromechanisch, magnetisch oder auf andere Weise ausgelöst werden.According to a further embodiment, the switching element can be moved out of the latching position by means of the movable part. In particular, the switching element can be moved by the movable part in an adjacent region of the switching curve, so that then the switching element can be moved by the bias of the spring along the switching curve. As a result, the latching fitting with the movable part is given a further functionality, since the release of the latching fitting can take place on the one hand by a displacement of the switching element and on the other hand by the movable part. The unlocking of the detent fitting on the movable part can be triggered mechanically, electromechanically, magnetically or in other ways.

Weiterhin kann die Schaltkurve kraftspeicherbelastet relativ verschiebbar zum Auslöser gelagert sein. Durch eine bestimmte, über die Kraft des Kraftspeichers einstellbare Kraft, kann die Schaltkurve über den Endabschnitt in Auszugsrichtung verschoben werden. Durch eine Ausnehmung an dem Gehäuse ist der Auslöser festgelegt, somit kann die Schaltkurve relativ zum Auslöser verschoben werden. In einer Überlastsituation wird über das Schaltelement und dessen Endabschnitt eine Kraft auf die Schaltkurve im Bereich der Rastmulde ausgeübt. Durch die größere Anlagefläche des Endabschnitts an der Schaltkurve wird die Schaltkurve relativ zum Auslöser verschoben. Der Auslöser bewirkt durch seine schräge Kontaktfläche, dass der Endabschnitt gegen die Anlaufschräge gedrückt wird. Die Schaltkurve wird weiter in Auszugsrichtung bewegt und der Endabschnitt gelangt in den schlaufenförmigen Bereich. Der Ausstoßmechanismus unterstützt somit das Öffnen des Schubelements. Nach dem Auslösen durch Zug wird das Bauteil mit der Schaltkurve durch einen Kraftspeicher gegen die Auszugsrichtung in die Endposition zurück bewegt. Beim Schließen kann der Endabschnitt wieder in der Rastmulde verrastet werden.Furthermore, the switching curve force storage load may be mounted relatively displaceable to the trigger. By a certain, via the force of the energy store adjustable force, the switching curve can be moved over the end portion in the extension direction. Through a recess on the housing of the shutter is fixed, thus the switching curve can be moved relative to the shutter. In an overload situation, a force is exerted on the switching cam in the region of the detent recess via the switching element and its end portion. Due to the larger contact surface of the end section on the switching curve, the switching curve is shifted relative to the trigger. The trigger causes by its oblique contact surface, that the end portion is pressed against the run-on slope. The switching curve is moved further in the extension direction and the end portion enters the loop-shaped area. The ejection mechanism thus aids in opening the pusher. After being triggered by train, the component with the switching cam is moved back into the end position by a force store against the withdrawal direction. When closing the end section can be locked again in the detent recess.

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

  • Figur 1 eine perspektivische Ansicht eines erfindungsgemäßen Rastbeschlages an einer Auszugsführung;
  • Figur 2 eine perspektivische Ansicht des Rastbeschlages der Figur 1;
  • Figur 3 eine Explosionsdarstellung des Rastbeschlages der Figur 2;
  • Figuren 4A und 4B Ansichten der Schaltkurve und des Schaltelements des Rastbeschlages in unterschiedlichen Positionen;
  • Figuren 5A und 5B zwei Detailansichten der Schaltkurve gemäß einem ersten nicht zur Erfindung gehörigen Ausführungsbeispiel;
  • Figuren 6A und 6B zwei Ansichten der Schaltkurve gemäß einem zweiten Ausführungsbeispiel;
  • Figuren 7A und 7B zwei Ansichten der Schaltkurve gemäß einem dritten Ausführungsbeispiel;
  • Figuren 8A bis 8C Ansichten der Schaltkurve gemäß einer vierten Ausführungsform;
  • Figuren 9A und 9B eine perspektivische sowie eine Explosionsdarstellung einer weiteren Ausführungsform eines Rastbeschlags;
  • Figuren 10A bis 10H Ansichten der Schaltkurve gemäß einer fünften Ausführungsform;
  • Figur 11 eine perspektivische Explosionsdarstellung eines weiteren Ausführungsbeispiels eines Rastbeschlages, und
  • Figuren 12A bis 12C mehrere Ansichten des Rastbeschlages der Figur 11 in unterschiedlichen Positionen.
The invention will be explained in more detail with reference to several embodiments with reference to the accompanying drawings. Show it:
  • FIG. 1 a perspective view of a detent fitting according to the invention on a pullout guide;
  • FIG. 2 a perspective view of the detent fitting of FIG. 1 ;
  • FIG. 3 an exploded view of the detent fitting of FIG. 2 ;
  • FIGS. 4A and 4B Views of the switching cam and the switching element of the detent fitting in different positions;
  • FIGS. 5A and 5B two detailed views of the switching curve according to a first embodiment not belonging to the invention;
  • Figures 6A and 6B two views of the switching curve according to a second embodiment;
  • FIGS. 7A and 7B two views of the switching curve according to a third embodiment;
  • FIGS. 8A to 8C Views of the switching curve according to a fourth embodiment;
  • FIGS. 9A and 9B a perspective and an exploded view of another embodiment of a detent fitting;
  • FIGS. 10A to 10H Views of the switching curve according to a fifth embodiment;
  • FIG. 11 an exploded perspective view of another embodiment of a detent fitting, and
  • FIGS. 12A to 12C several views of the detent fitting of FIG. 11 in different positions.

Eine Auszugsführung 1 umfasst eine ortfeste Führungsschiene 2, die an einem Möbelkorpus montierbar ist. An der Führungsschiene 2 ist eine Laufschiene 3 verfahrbar gehalten, an der ein hervorstehender Aktivator 17 festgelegt ist. Des Weiteren kann zwischen der Führungsschiene 2 und der Laufschiene 3 einer Auszugsführung eine auszugsverlängernde Mittelschiene angeordnet sein. Der Aktivator 17 ist mit einem Mitnehmer 7 koppelbar, der entlang einer Kurvenführung 5 eines Gehäuses 4 verfahrbar ist. Das Gehäuse 4 kann dabei an der Führungsschiene 2 festgelegt sein.A pullout guide 1 comprises a stationary guide rail 2 which can be mounted on a furniture body. On the guide rail 2, a running rail 3 is movably held, on which a protruding activator 17 is fixed. Furthermore, between the guide rail 2 and the running rail 3 of a pullout guide, an extending center rail can be arranged. The activator 17 can be coupled to a driver 7, which is movable along a cam guide 5 of a housing 4. The housing 4 can be fixed to the guide rail 2.

An dem Gehäuse 4 ist ein Gehäuse 6 eines Federelementes festgelegt. Das Gehäuse 6 kann an einem Stutzen 65, der integral mit dem Gehäuse 4 ausgebildet ist, verrastet werden. Der Mitnehmer 7 ist mit einer Stange 60 gekoppelt, die mit einem verdickten kugelkopfartigen Endabschnitt 61 in einer kalottenartigen Aufnahme verrastet ist. Die Stange 60 ist an der zu dem Endabschnitt 61 gegenüberliegenden Seite mit einer Scheibe 62 verbunden, an der ein Ende einer Feder 63 anliegt. Das gegenüberliegende Ende der Feder 63 ist an einem Deckel 64 des Gehäuses 6 abgestützt. Das Gehäuse 6 kann auch einteilig mit dem Deckel 64 als Gehäuse 6' gemäß den Figuren 9A und 9B ausgeführt sein.On the housing 4, a housing 6 of a spring element is fixed. The housing 6 can be latched to a nozzle 65 which is formed integrally with the housing 4. The driver 7 is coupled to a rod 60 which is locked with a thickened ball-head-like end portion 61 in a dome-like receptacle. The rod 60 is connected at the end opposite to the end portion 61 with a disc 62 to which one end of a spring 63 abuts. The opposite end of the spring 63 is attached to a lid 64 of the Housing 6 supported. The housing 6 may also be integral with the lid 64 as a housing 6 'according to the FIGS. 9A and 9B be executed.

Der Mitnehmer 7 weist ferner einen Ausleger 8 auf, an dem ein Kopplungselement 9 festgelegt ist. Das Kopplungselement 9 ist mit einem Schaltelement 10 verbunden, das als metallischer Draht ausgebildet ist, der einen gebogenen Endabschnitt 11 aufweist. Der abgebogene Endabschnitt 11 des Schaltelements 10 greift in eine Schaltkurve 20 ein, die integral mit einem Bauteil 18 aus Kunststoff ausgebildet ist. Das Bauteil 18 ist über ein Befestigungselement 13 an dem Gehäuse 4 festgelegt. Hierfür weist das Gehäuse 4 ein Gegenstück 14 auf, das mit dem Befestigungselement 13 verrastet ist. An dem Gehäuse 4 ist ferner ein Boden 12 ausgebildet, der beabstandet von dem Bauteil 18 angeordnet ist. Dadurch ist es möglich, dass der Draht des Schaltelements 10 zwischen dem Boden 12 und dem Bauteil 18 bewegt wird, wobei der gebogene Endabschnitt 11 in die Schaltkurve 20 eingreift. Des Weiteren verhindert der Boden 12 das Ausweichen des gebogenen Endabschnitts 11 aus der Schaltkurve 20.The driver 7 also has a boom 8, on which a coupling element 9 is fixed. The coupling element 9 is connected to a switching element 10, which is formed as a metallic wire having a bent end portion 11. The bent end portion 11 of the switching element 10 engages in a switching cam 20, which is integrally formed with a component 18 made of plastic. The component 18 is fixed to the housing 4 via a fastening element 13. For this purpose, the housing 4 has a counterpart 14 which is latched to the fastening element 13. On the housing 4, a bottom 12 is further formed, which is spaced from the component 18 is arranged. This makes it possible that the wire of the switching element 10 is moved between the bottom 12 and the component 18, wherein the bent end portion 11 engages the switching cam 20. Furthermore, the bottom 12 prevents the deflection of the bent end portion 11 from the switching cam 20.

Die Funktion der Schaltkurve 20 und des Schaltelements 10 wird mit Bezug auf die Figur 4 näher erläutert.The function of the switching cam 20 and the switching element 10 will be described with reference to FIGS FIG. 4 explained in more detail.

In einer Ausgangsposition befindet sich ein mit der Laufschiene 3 gekoppelter Schubkasten in einer Schließposition und das Schaltelement 10 ist so in der Schaltkurve 20 gehalten, dass es verrastet ist. Hierfür liegt der gebogene Endabschnitt 11 in einer Rastmulde 26 der Schaltkurve 20 und wird in die Rastmulde 26 durch die Kraft der Feder 63 über die Stange 60, den Mitnehmer 7 und die weiteren Kopplungselemente gedrückt. Die Schaltkurve 20 in dem Gehäuse 18 ist nutförmig ausgebildet und umfasst einen schlaufenförmigen Abschnitt 23.In a starting position, a drawer coupled to the running rail 3 is in a closed position and the switching element 10 is held in the switching cam 20 in such a way that it is latched. For this purpose, the bent end portion 11 is located in a detent recess 26 of the switching cam 20 and is pressed into the detent recess 26 by the force of the spring 63 via the rod 60, the driver 7 and the other coupling elements. The switching cam 20 in the housing 18 is groove-shaped and comprises a loop-shaped portion 23rd

Wenn der Schubkasten aus dieser Schließposition geöffnet werden soll (Figur 4A), erfolgt ein Eindrücken des Schubkastens in Schließrichtung zu dem Möbelkorpus, so dass der gebogene Endabschnitt 11 gegen eine Anlaufschräge 28 an der Schaltkurve 20 bewegt wird, was dazu führt, dass das Schaltelement 10 verschwenkt wird und in eine Aufnahme 27 eingreift, die versetzt zu der Rastmulde 26 angeordnet ist. Wenn der Schubkasten 1 losgelassen wird, kann das Schaltelement 10 nun in den Auslaufbereich 29 der Schaltkurve 20 aufgrund der Kraft des Kraftspeichers in Form der Druckfeder 63 zurückbewegt werden.When the drawer is to be opened from this closed position ( FIG. 4A ), a depression of the drawer in the closing direction to the furniture body, so that the bent end portion 11 is moved against a run-on slope 28 on the cam 20, resulting in that the switching element 10 is pivoted and engages in a receptacle 27 which is offset the detent recess 26 is arranged. When the drawer 1 is released, the switching element 10 can now be moved back into the outlet region 29 of the switching cam 20 due to the force of the force accumulator in the form of the compression spring 63.

Im Bereich der Abzweigung 24 wird das Schaltelement 10 daher zunächst in die Aufnahme 25 bewegt, bis eine Frontblende des Schubkastens am Möbelkorpus anschlägt. Dann wird die Auszugsführung 1 aufgrund der Kraft der Druckfeder 63 zurück zu einer Rastmulde 26 bewegt, so dass die in Figur 4A gezeigte Position erreicht ist.In the region of the branch 24, the switching element 10 is therefore first moved into the receptacle 25 until a front panel of the drawer strikes the furniture body. Then the pullout guide 1 is moved back to a latching recess 26 due to the force of the compression spring 63, so that the in FIG. 4A shown position is reached.

Bei einer Schließbewegung des Schubkastens wird das Schaltelement 10 entlang der Schaltkurve 20 in den schlaufenförmigen Abschnitt 23 zu einer Abzweigung 24 bewegt, die benachbart zu einer nutförmigen Aufnahme 25 angeordnet ist.During a closing movement of the drawer, the switching element 10 is moved along the switching cam 20 in the loop-shaped portion 23 to a junction 24 which is disposed adjacent to a groove-shaped receptacle 25.

Das Schaltelement 10 wird mit dem gebogenen Endabschnitt 11 in die Aufnahme 25 bewegt, bis der Schubkasten am Möbelkorpus anschlägt. Anschließend lässt der Benutzer den Schubkasten los, so dass die Feder 63 den Schubkasten zusammen mit dem Mitnehmer 7 und dem Schaltelement 10 geringfügig in die Öffnungsrichtung bewegt. Durch diese Bewegung gelangt der gebogene Endabschnitt 11 des Schaltelements 10 in die Rastmulde 26, so dass die Ausgangsposition erreicht ist.The switching element 10 is moved with the bent end portion 11 in the receptacle 25 until the drawer strikes the furniture body. Subsequently, the user lets go of the drawer, so that the spring 63 moves the drawer slightly together with the driver 7 and the switching element 10 in the opening direction. By this movement, the bent end portion 11 of the switching element 10 enters the detent recess 26, so that the starting position is reached.

In Figur 5A ist der Bereich der Schaltkurve 20 benachbart zu den nutförmigen Aufnahmen 25 und 27 im Detail dargestellt. Der gebogene Endabschnitt 11 des Schaltelements 10 befindet sich in der Rastmulde 26, die durch einen Vorsprung 31 gebildet ist, der von einer Scheibe 30 hervorsteht. Die Scheibe 30 ist relativ zu einem benachbarten Vorsprung 40 des Bauteils 18 drehbar gelagert.In FIG. 5A the area of the switching cam 20 adjacent to the groove-shaped receptacles 25 and 27 is shown in detail. The bent end portion 11 of the switching element 10 is located in the detent recess 26, which is formed by a projection 31 which protrudes from a disc 30. The disc 30 is rotatably supported relative to an adjacent projection 40 of the component 18.

Wie in Figur 5B gezeigt ist, kann durch Drehen der Scheibe 30 gegen den Uhrzeigersinn das Schaltelement 10 entriegelt werden, indem die Rastmulde 26 zusammen mit der Scheibe 30 gedreht wird, so dass aufgrund der Kraft der Druckfeder 63 der Endabschnitt 11 entlang des Vorsprunges 31 entlanggleitet und in den schlaufenförmigen Abschnitt 23 der Schaltkurve 20 gelangt. Die Scheibe 30 kann dabei durch einen Kraftspeicher, z.B. in Form einer Feder, in die Ausgangsposition vorgespannt sein, wie sie in Figur 5A gezeigt ist. Dabei kann die Scheibe 30 an einem Anschlag des Bauteils 18 anliegen.As in FIG. 5B can be unlocked by turning the disc 30 counterclockwise, the switching element 10 by the detent recess 26 is rotated together with the disc 30 so that due to the force of the compression spring 63, the end portion 11 along the projection 31 slides along and in the loop-shaped Section 23 of the switching curve 20 passes. The disk 30 can be biased by an energy storage, for example in the form of a spring, in the starting position, as in FIG. 5A is shown. In this case, the disc 30 abut against a stop of the component 18.

In Figur 6A ist eine modifizierte Ausgestaltung einer Schaltkurve 20 mit einer Rastmulde 26 gezeigt. An einer Scheibe 30' ist ein Vorsprung 31' ausgebildet, der zusammen mit der Scheibe 30' drehbar ist. Die Rastmulde 26 ist durch den bewegbaren Vorsprung 31' und einen feststehenden Vorsprung 41' gebildet, der integral mit dem Bauteil 18 ausgebildet ist. Ferner sind zur Ausbildung der Schaltkurve 20 weitere Vorsprünge 40' feststehend ausgebildet.In FIG. 6A a modified embodiment of a switching cam 20 with a detent recess 26 is shown. On a disc 30 ', a projection 31' is formed, which is rotatable together with the disc 30 '. The detent recess 26 is formed by the movable projection 31 'and a fixed projection 41' which is integral is formed with the component 18. Furthermore, 20 further projections 40 'are formed fixed to form the switching cam.

Um das Schaltelement 10 zu entriegeln, kann die Scheibe 30' zusammen mit dem Vorsprung 31' gedreht werden, wie dies in Figur 6B dargestellt ist. Dadurch wird zwischen dem Vorsprung 31' und dem Vorsprung 41' ein Spalt ausgebildet, durch den der gebogene Endabschnitt 11 des Schaltelements 10 durch die Kraft der Druckfeder 63 bewegt wird. Dadurch gelangt der Endabschnitt 11 wieder in den schlaufenförmigen Abschnitt 23 der Schaltkurve 20.In order to unlock the switching element 10, the disc 30 'can be rotated together with the projection 31', as shown in FIG FIG. 6B is shown. Thereby, a gap is formed between the projection 31 'and the projection 41', by which the bent end portion 11 of the switching element 10 is moved by the force of the compression spring 63. As a result, the end portion 11 returns to the loop-shaped portion 23 of the switching cam 20th

In Figur 7A ist eine weitere Ausgestaltung der Schaltkurve 20 gezeigt, bei der die Rastmulde 26 mehrteilig ausgebildet ist. Ähnlich wie bei dem Ausführungsbeispiel der Figur 6A ist eine Scheibe 30' drehbar an dem Bauteil 18 gelagert. Die Rastmulde 26 wird durch einen stationären Vorsprung 41' gebildet, der integral mit dem Vorsprung 40' des Bauteils 18 ausgebildet ist. An der Scheibe 30' ist ein bolzenförmiger Vorsprung 35 vorgesehen, der einen Anschlag für den gebogenen Endabschnitt 11 des Schaltelements 10 bildet. Durch Drehen der Scheibe 30' wird der bolzenförmige Vorsprung 35 von dem Vorsprung 41' entfernt, so dass der Endabschnitt 11 zwischen dem Vorsprung 35 und dem Vorsprung 41' in den schlaufenförmigen Abschnitt 23 der Schaltkurve 20 gelangen kann.In FIG. 7A a further embodiment of the switching cam 20 is shown, in which the detent recess 26 is formed in several parts. Similar to the embodiment of the FIG. 6A a disk 30 'is rotatably mounted on the component 18. The detent recess 26 is formed by a stationary projection 41 ', which is formed integrally with the projection 40' of the component 18. On the disc 30 ', a bolt-shaped projection 35 is provided, which forms a stop for the bent end portion 11 of the switching element 10. By turning the disc 30 ', the bolt-shaped projection 35 is removed from the projection 41', so that the end portion 11 between the projection 35 and the projection 41 'in the loop-shaped portion 23 of the switching cam 20 can pass.

Bei dem in Figur 8A gezeigten Ausführungsbeispiel ist an der Schaltkurve 20 ein stationärer Vorsprung 40" ausgebildet, der zusammen mit einem bewegbaren Vorsprung 30" eine Rastmulde ausbildet. Der Endabschnitt 11 ist in der Ausgangsposition in der Rastmulde 26 gehalten.At the in Figure 8A shown embodiment, a stationary projection 40 "is formed on the switching cam 20, which forms a detent recess together with a movable projection 30". The end portion 11 is held in the starting position in the latching recess 26.

Wie in Figur 8B gezeigt ist, kann durch Verschieben des Vorsprunges 30" nach unten ein Kanal 32" freigegeben werden, durch den der Endabschnitt 11 in den schlaufenförmigen Abschnitt 23 der Schaltkurve 20 gelangen kann. Der Vorsprung 30" ist dabei verschiebbar an dem Bauteil 18 gelagert.As in FIG. 8B can be released by moving the projection 30 "down a channel 32", through which the end portion 11 can enter the loop-shaped portion 23 of the switching cam 20. The projection 30 "is displaceably mounted on the component 18.

Der verschiebbare Vorsprung 30" kann einerseits als Überlastsicherung ausgebildet sein, um bei einem Ziehen an dem Schubkasten das Schaltelement 10 zu entriegeln, und andererseits kann über den Vorsprung 30" auch eine Auslösung des Schaltelements 10 erfolgen. Hierfür wird der Vorsprung 30" entsprechend Figur 8C in die gezeigte Richtung bewegt, um den gebogenen Endabschnitt 11 des Schaltelements 10 aus der Rastmulde 26 herauszuschieben. Die Entriegelung des Schaltelements 10 kann mechanisch, elektromechanisch, magnetisch oder durch andere Auslösemittel erfolgen.The displaceable projection 30 "may on the one hand be designed as an overload protection in order to unlock the switching element 10 when pulling on the drawer, and on the other hand, a triggering of the switching element 10 can take place via the projection 30". For this purpose, the projection 30 "according to Figure 8C is moved in the direction shown to push out the bent end portion 11 of the switching element 10 from the detent recess 26. The unlocking The switching element 10 may be mechanical, electromechanical, magnetic or other triggering means.

In den Figuren 9A und 9B ist ein Rastbeschlag gezeigt, bei dem ein Bauteil 18' relativ verschiebbar zum Auslöser 70 in einem Gehäuse 4 gelagert ist. Das Bauteil 18' ist über einen Kraftspeicher in Form einer Zugfeder 66 gegen die Auszugsrichtung belastet. Die Zugfeder 66 ist über ein Federendbereich 67 im Gegenstück 14 am Gehäuse 4 sowie über eine weitere Zugfederaufnahme an dem Bauteil 18' festgelegt. Durch eine bestimmte, über die Kraft der Zugfeder 66 einstellbare Kraft, kann die Schaltkurve 20 über den Endabschnitt 11 in Auszugsrichtung verschoben werden. Durch eine Ausnehmung 71 an dem Gehäuse 4 ist der Auslöser 70 festgelegt, somit kann die Schaltkurve 20 relativ zum Auslöser 70 verschoben werden.In the FIGS. 9A and 9B a catch fitting is shown in which a component 18 'is mounted relative to the shutter 70 in a housing 4 so as to be relatively displaceable. The component 18 'is loaded via an energy store in the form of a tension spring 66 against the extension direction. The tension spring 66 is fixed via a Federendbereich 67 in the counterpart 14 on the housing 4 and via a further Zugfederaufnahme on the component 18 '. By a certain, adjustable by the force of the tension spring 66 force, the switching cam 20 can be moved over the end portion 11 in the extension direction. By a recess 71 on the housing 4 of the trigger 70 is fixed, thus the switching curve 20 can be moved relative to the shutter 70.

Die Figuren 10A bis 10H zeigen den Ablauf bei einer Überlastsituation wie sie durch das manuelle Öffnen ohne das vorherige Auslösen des Ausstoßmechanismus entstehen kann. Die Pfeile in den Figuren 10A bis 10H verdeutlichen die Bewegungsrichtung des Bauteils 18' mit der Schaltkurve 20 relativ zum Auslöser 70.The FIGS. 10A to 10H show the process in an overload situation as it can be caused by the manual opening without the previous triggering of the ejection mechanism. The arrows in the FIGS. 10A to 10H illustrate the direction of movement of the component 18 'with the switching cam 20 relative to the trigger 70th

In einer Überlastsituation wird über das Schaltelement 10 und dessen Endabschnitt 11 eine Kraft auf die Schaltkurve 20 im Bereich der Rastmulde 26 ausgeübt. Durch die größere Anlagefläche des Endabschnitts 11 an der Schaltkurve 20, wird die Schaltkurve 20 relativ zum Auslöser 70 verschoben. Der Auslöser 70 bewirkt durch seine schräge Kontaktfläche, dass der Endabschnitt 11 gegen die Anlaufschräge 28 gedrückt wird (Figuren 10A bis 10C). Die Schaltkurve 20 wird weiter in Auszugsrichtung bewegt und der Endabschnitt 11 gelangt in den schlaufenförmigen Abschnitt 23. Der Ausstoßmechanismus unterstützt somit das Öffnen des an die Laufschiene 3 einer Auszugsführung 1 gekoppelten Schubkastens (Figuren 10D bis 10F). Nach dem Auslösen durch Zug wird das Bauteil 18' mit der Schaltkurve 20 durch die Zugfeder 66 gegen die Auszugsrichtung in die Endposition zurück bewegt. Beim Schließen kann der Endabschnitt wieder in der Rastmulde 26 verrastet werden (Figuren 10F bis 10H).In an overload situation, a force is exerted on the switching cam 20 in the region of the detent recess 26 via the switching element 10 and its end portion 11. Due to the larger contact surface of the end portion 11 on the switching cam 20, the switching cam 20 is displaced relative to the trigger 70. The trigger 70 causes by its oblique contact surface that the end portion 11 is pressed against the run-on slope 28 ( FIGS. 10A to 10C ). The switching cam 20 is further moved in the extension direction and the end portion 11 enters the loop-shaped portion 23. The ejection mechanism thus supports the opening of the drawer 3 coupled to a drawer slide 1 drawer (Figures 10D to 10F). After being triggered by train, the component 18 'with the switching cam 20 is moved back by the tension spring 66 against the extension direction into the end position. When closing the end section can be locked again in the detent recess 26 ( Figures 10F to 10H ).

Bei dem erfindungsgemäßen Rastbeschlag wird die Rastmulde durch ein bewegbares Teil gebildet, das bei einer vorbestimmten Kraft das Schaltelement 10 freigibt. Die bewegbaren Teile 30, 30', 30" können dabei mittels eines Kraftspeichers z.B. in Form einer Feder in eine Ausgangsposition vorgespannt sein. Die Bewegungsrichtung der bewegbaren Teile kann dabei beliebig gewählt werden, insbesondere können die Vorsprünge zur Sicherung des Schaltelements auch senkrecht zur Bewegungsrichtung des Schaltelements 10 bewegt werden.In the latching fitting according to the invention, the latching recess is formed by a movable part which releases the switching element 10 at a predetermined force. The movable parts 30, 30 ', 30 "can thereby by means of a force accumulator be biased for example in the form of a spring in a starting position. The direction of movement of the movable parts can be chosen arbitrarily, in particular, the projections for securing the switching element can also be moved perpendicular to the direction of movement of the switching element 10.

In Figur 11 ist ein weiteres Ausführungsbeispiel eines Rastbeschlages gezeigt, der wie bei den anderen Ausführungsbeispielen ein Gehäuse 4 mit einer Kurvenführung 5 aufweist, an der ein Mitnehmer 7 verfahrbar ist. Der Mitnehmer 7 ist über eine Federeinrichtung in eine Öffnungsrichtung vorgespannt, wobei die Federeinrichtung ein Gehäuse 6 umfasst, in dem eine Druckfeder 63 angeordnet ist, die eine Stange 60" über einen Ring 62 in Öffnungsrichtung vorspannt, wobei die Stange 60" über einen Endabschnitt 61 mit dem Mitnehmer 7 gekoppelt ist.In FIG. 11 a further embodiment of a detent fitting is shown, which, as in the other embodiments, a housing 4 with a cam guide 5, on which a driver 7 is movable. The driver 7 is biased by a spring means in an opening direction, wherein the spring means comprises a housing 6 in which a compression spring 63 is arranged, which biases a rod 60 "via a ring 62 in the opening direction, said rod 60" via an end portion 61st is coupled to the driver 7.

Der Mitnehmer 7 umfasst einen Ausleger 8, an dem ein Endabschnitt 9' eines Schaltelementes 10 fixiert ist. Das Schaltelement 10 ist als gebogener Draht ausgebildet, der mit dem Endabschnitt 9' am Mitnehmer 7 festgelegt ist und einen gegenüberliegenden gebogenen Endabschnitt 11 aufweist, der in einer Schaltkurve 20 geführt ist, die in einem Bauteil 18" sowie einem Führungselement 70" ausgebildet ist. Das Führungselement 70" umfasst seitlich zwei Vorsprünge 72", die jeweils in eine Aufnahme 71" des Gehäuses 4 eingreifen und dort festgelegt sind. Das Bauteil 18" ist relativ zu dem Gehäuse 4 und dem Führungselement 70" verschiebbar gelagert. Das Bauteil 18" ist dabei durch die Feder 76 in eine Ausgangsposition vorgespannt, wobei die Feder 76 mit einem ersten Ende 77 an einem Gegenstück 14 des Gehäuses 4 festgelegt ist und an einem gegenüberliegenden Ende 78 an dem Bauteil 18" fixiert ist.The driver 7 comprises a boom 8, to which an end portion 9 'of a switching element 10 is fixed. The switching element 10 is formed as a bent wire, which is fixed to the end portion 9 'on the driver 7 and has an opposite curved end portion 11 which is guided in a switching cam 20 which is formed in a component 18 "and a guide member 70". The guide element 70 "comprises laterally two projections 72", each of which engage and are fixed in a receptacle 71 "of the housing 4. The component 18" is displaceably mounted relative to the housing 4 and the guide element 70 " thereby biased by the spring 76 in a starting position, wherein the spring 76 is fixed to a first end 77 on a counterpart 14 of the housing 4 and is fixed to an opposite end 78 to the component 18 ".

In Figur 12A ist die Schaltkurve 20 mit dem Endabschnitt 11 in einer Rastmulde 26 gezeigt, was der Schließposition eines mit dem Mitnehmer 7 gekoppelten Schubkastens entspricht. Das Schaltelement 10 kann wie bei dem ersten Ausführungsbeispiel durch Druck in Schließrichtung entriegelt werden, wobei dann der Endabschnitt 11 gegen die Anlaufschräge 28 in die Aufnahme 27 eingreift und durch die Kraft der Feder 63 entlang der Schaltkurve 20 in Öffnungsrichtung bewegt wird.In FIG. 12A the switching cam 20 is shown with the end portion 11 in a detent recess 26, which corresponds to the closed position of a coupled to the driver 7 drawer. The switching element 10 can be unlocked as in the first embodiment by pressure in the closing direction, in which case the end portion 11 engages against the stop bevel 28 in the receptacle 27 and is moved by the force of the spring 63 along the switching cam 20 in the opening direction.

Ein schlaufenförmiger Abschnitt 23 der Schaltkurve 20 ist geteilt, wobei ein erster Teil des schlaufenförmigen Abschnittes 23 durch das Führungselement 70" und ein zweiter Teil durch das Bauteil 18" gebildet ist. Wenn an dem Schaltelement 11 eine in Figur 12A nach rechts gerichtete Kraft aufgebracht wird, beispielsweise durch Ziehen an einem Schubkasten, bewegt sich das Bauteil 18" gegen die Kraft der Feder 76 nach rechts, wie dies in Figur 12B gezeigt ist. Das Führungselement 70" bleibt stationär aufgrund der Kopplung mit dem Gehäuse 4.A loop-shaped portion 23 of the switching cam 20 is divided, wherein a first part of the loop-shaped portion 23 by the guide member 70 "and a second part by the component 18" is formed. When on the switching element 11 a in FIG. 12A is applied to the right-hand force, for example by pulling on a drawer, the component moves 18 "against the force of the spring 76 to the right, as in FIG. 12B is shown. The guide member 70 "remains stationary due to the coupling with the housing 4.

Wird das Schaltelement 10 weiter durch Ziehen in Öffnungsrichtung bewegt, wird die in Figur 12C gezeigte Position erreicht. Das Bauteil 18" ist um einen Weg zwischen beispielsweise 5 mm bis 30 mm in Öffnungsrichtung verschoben worden, so dass das Schaltelement 11 in einem Entriegelungskanal 79 in dem Führungselement 70" angeordnet ist. Dadurch kann das Schaltelement 11 über den Entriegelungskanal 79 in den schlaufenförmigen Abschnitt 23 und den sich anschließenden Auslaufbereich 29 bewegt werden. Sobald die Zugkraft über das Schaltelement 11 auf das Bauteil 18" aufhört zu wirken, bewegt sich das Bauteil 18" aufgrund der Kraft der Feder 76 wieder in die Ausgangsposition. Die Feder 76 ist dabei mit dem Endabschnitt 78 an der Aufnahme 75 des Bauteils 18" fixiert. In der Ausgangsposition liegt das Bauteil 18" an einem Anschlag des Gehäuses 4 oder des Führungselementes 70" an.If the switching element 10 is further moved by pulling in the opening direction, the in FIG. 12C reached shown position. The component 18 "has been displaced by a distance between, for example, 5 mm to 30 mm in the opening direction, so that the switching element 11 is arranged in an unlocking channel 79 in the guide element 70". As a result, the switching element 11 can be moved via the unlocking channel 79 into the loop-shaped section 23 and the adjoining outlet region 29. As soon as the tensile force on the switching element 11 to the component 18 "stops acting, the component 18" moves back to the starting position due to the force of the spring 76. In this case, the spring 76 is fixed to the receptacle 75 of the component 18 "with the end portion 78. In the starting position, the component 18" bears against a stop of the housing 4 or of the guide element 70 ".

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Auszugsführungpull-out guide
22
Führungsschieneguide rail
33
Laufschienerunner
44
Gehäusecasing
55
Kurvenführungcurved guide
66
Gehäusecasing
6'6 '
Gehäusecasing
77
Mitnehmertakeaway
88th
Auslegerboom
99
Kopplungselementcoupling element
9'9 '
Endabschnittend
1010
Schaltelementswitching element
1111
Endabschnittend
1212
Bodenground
1313
Befestigungselementfastener
1414
Gegenstückcounterpart
1717
Aktivatoractivator
1818
Bauteilcomponent
18'18 '
Bauteilcomponent
18"18 "
Bauteilcomponent
2020
Schaltkurveswitching curve
2323
Schlaufenförmiger AbschnittLoop-shaped section
2424
Abzweigungdiversion
2525
Vorsprunghead Start
2626
Rastmuldecatch recess
2727
Aufnahmeadmission
2828
Anlaufschrägestarting slope
2929
Auslaufbereichdischarge area
3030
Scheibedisc
30'30 '
Scheibedisc
30"30 "
Vorsprunghead Start
3131
Vorsprunghead Start
31'31 '
Vorsprunghead Start
3232
Kanalchannel
32'32 '
Kanalchannel
32"32 "
Kanalchannel
3535
Vorsprunghead Start
4040
Vorsprunghead Start
40'40 '
Vorsprunghead Start
40"40 "
Vorsprunghead Start
4141
Vorsprunghead Start
41'41 '
Vorsprunghead Start
6060
Stangepole
60"60 "
Stangepole
6161
Kugelkopfartiger EndabschnittBall-headed end section
6262
Scheibe/RingDisk / ring
6363
Druckfedercompression spring
6464
Deckelcover
6565
StutzenSupport
6666
Zugfedermainspring
6767
ZugfederendbereichZugfederendbereich
7070
Auslösertrigger
70"70 "
Führungselementguide element
7171
Ausnehmungrecess
71"71 "
Aufnahmeadmission
72"72 "
Vorsprunghead Start
7575
Aufnahmeadmission
7676
Federfeather
7777
EndeThe End
7878
EndeThe End
7979
Entriegelungskanalrelease channel

Claims (9)

  1. A detent fitting, in particular for an extension guide (1) of a drawer, having a switch curve (20), in which a switch element (10) is guided, the switch curve (20) having at least one loop, on which a detent opening (26) for the switch element (10), which is pre-tensioned by a force accumulator (63) in a detent position is provided, whereby the detent opening (26) is at least partially displaceable and/or pivotable, and the switch element (10) can be released from the latched position and the detent opening (26) comprises at least two parts (18', 18", 30', 30", 35, 40', 40", 70, 70") movable relative to one another, characterized in that the movable part (30', 30", 70, 18") of the detent opening (26) is pre-tensioned by a spring in a starting position relative to the other part (40', 40") of the detent opening (26), so that the detent opening (26) can be returned into its starting position after a release movement and the switch element (10) can again be latched to the detent opening.
  2. The detent fitting according to claim 1, characterized in that the movable part (30') is mounted so it is rotatable around an axis.
  3. The detent fitting according to claim 1 or 2, characterized in that the movable part (30') comprises a disk, on which a projection (31, 31', 35) is formed as part of the detent opening (26).
  4. The detent fitting according to one of claims 1 to 3, characterized in that the movable part (30", 70, 18") is mounted so it is displaceable along a linear guide.
  5. The detent fitting according to one of claims 1 to 4, characterized in that the switch element (10) is released from the detent opening (26) by an overload.
  6. The detent fitting according to one of claims 1 to 5, characterized in that the switch element (10) is released from the detent opening (26) by a force action in the extension direction.
  7. The detent fitting according to one of claims 1 to 6, characterized in that the switch element (10) is released from the detent opening (26) by passing an unlocking channel (79).
  8. The detent fitting according to one of claims 1 to 7, characterized in that the movable part (18") is moved back into the locking position of the detent opening (26) after the release of the switch element (10) by passing the unlocking channel (79) under the action of a force accumulator (76).
  9. Extension guide, in particular for a drawer, characterized in that a detent fitting according to one of the preceding claims is mounted on the extension guide.
EP10166988.5A 2009-07-09 2010-06-23 Locking device and drawer slide Active EP2272400B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10166988T PL2272400T3 (en) 2009-07-09 2010-06-23 Locking device and drawer slide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009005008 2009-07-09
DE202009005256U DE202009005256U1 (en) 2009-07-09 2009-09-09 Detent fitting and pullout guide

Publications (2)

Publication Number Publication Date
EP2272400A1 EP2272400A1 (en) 2011-01-12
EP2272400B1 true EP2272400B1 (en) 2019-02-20

Family

ID=43218175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10166988.5A Active EP2272400B1 (en) 2009-07-09 2010-06-23 Locking device and drawer slide

Country Status (4)

Country Link
EP (1) EP2272400B1 (en)
DE (1) DE202009005256U1 (en)
ES (1) ES2727330T3 (en)
PL (1) PL2272400T3 (en)

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WO2022157295A1 (en) 2021-01-25 2022-07-28 Paul Hettich Gmbh & Co. Kg Furniture element and piece of furniture
DE102021110323A1 (en) 2021-01-25 2022-07-28 Paul Hettich Gmbh & Co. Kg furniture element and furniture

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DE102011002212A1 (en) 2011-04-20 2012-10-25 Paul Hettich Gmbh & Co. Kg Detent fitting for use in movable furniture, has control member, and bendable spring element arranged at detect retainer and provided for releasing and unlocking control member from detent retainer during exceeding of force
AT511329B1 (en) 2011-05-03 2012-11-15 Blum Gmbh Julius LOCKABLE EJECTION DEVICE WITH OVERLOAD MECHANISM
TWI421046B (en) * 2011-06-09 2014-01-01 King Slide Works Co Ltd Slide assembly with opening mechanism
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DE102013109963A1 (en) * 2013-09-11 2015-03-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Locking mechanism with link and locking pin and arrangement with a locking mechanism
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DE102017121701A1 (en) * 2017-09-19 2019-03-21 Paul Hettich Gmbh & Co. Kg Drive device for a movable furniture part
EP3684225B1 (en) 2017-09-20 2021-09-15 Julius Blum GmbH Drive device for a movable furniture part
DE102018105116A1 (en) 2018-03-06 2019-09-12 Hettich-Oni Gmbh & Co. Kg Furniture and method for opening and closing a pivotable flap
CN110801975B (en) * 2019-10-22 2021-09-28 海宁金茂五金有限公司 Slide rail capable of positioning and fixing for spraying equipment
DE202020100792U1 (en) * 2020-02-14 2021-05-17 Häfele SE & Co KG Retraction device with a moving damper housing

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WO2022157295A1 (en) 2021-01-25 2022-07-28 Paul Hettich Gmbh & Co. Kg Furniture element and piece of furniture
DE102021110323A1 (en) 2021-01-25 2022-07-28 Paul Hettich Gmbh & Co. Kg furniture element and furniture

Also Published As

Publication number Publication date
PL2272400T3 (en) 2019-08-30
ES2727330T3 (en) 2019-10-15
DE202009005256U1 (en) 2010-11-25
EP2272400A1 (en) 2011-01-12

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