EP2848754B1 - Locking cylinder - Google Patents

Locking cylinder Download PDF

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Publication number
EP2848754B1
EP2848754B1 EP14181879.9A EP14181879A EP2848754B1 EP 2848754 B1 EP2848754 B1 EP 2848754B1 EP 14181879 A EP14181879 A EP 14181879A EP 2848754 B1 EP2848754 B1 EP 2848754B1
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EP
European Patent Office
Prior art keywords
coupling
locking
core part
push rod
wedge
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Application number
EP14181879.9A
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German (de)
French (fr)
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EP2848754A2 (en
EP2848754A3 (en
Inventor
Christoph Schulze Sievert
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Aug Winkhaus GmbH and Co KG
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Aug Winkhaus GmbH and Co KG
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Priority to PL14181879T priority Critical patent/PL2848754T3/en
Publication of EP2848754A2 publication Critical patent/EP2848754A2/en
Publication of EP2848754A3 publication Critical patent/EP2848754A3/en
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Publication of EP2848754B1 publication Critical patent/EP2848754B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/10—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0638—Cylinder locks with electromagnetic control by disconnecting the rotor
    • E05B47/0646—Cylinder locks with electromagnetic control by disconnecting the rotor radially
    • E05B47/0649—Cylinder locks with electromagnetic control by disconnecting the rotor radially with a rectilinearly moveable coupling element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control

Definitions

  • the invention relates to a lock cylinder with a rotatable core in a housing part, with a rotatable cam and at least one clutch for selectively generating or solving a positive connection of the core part with the cam, with a displaceable in the radial direction of the coupling ram clutch for generating or solving the positive connection , with an axially displaceable coupling wedge arranged in the core part for displacement of the coupling plunger.
  • Such a lock cylinder is for example from the EP 1 079 050 B1 known.
  • the coupling ram is designed spherical and produces in a radially outwardly depressed position the positive connection of the coupling.
  • Cam and core part have for this purpose corresponding recesses for receiving the coupling plunger in the form-locking generating position.
  • the coupling wedge has an axial guide in the core part. When dissolved positive fit, the core part can rotate relative to the cam. To produce the positive connection, the core part must be relatively rotated relative to the cam again until the recesses are aligned to receive the coupling ram. Only then can the coupling wedge be moved.
  • the coupling wedge of the known lock cylinder is biased by a spring element in the form-locking generating position.
  • the coupling wedge snaps behind the coupling plunger when the recesses for the coupling plunger are aligned.
  • this is annoying when the Clutch wedge to be moved by a hand inserted into the lock cylinder key.
  • the invention is based on the problem, so far as to form a lock cylinder of the type mentioned that a reliable free rotation of the cam allows when the clutch is not actively operated to produce a positive connection.
  • the coupling plunger is arranged in a basic position in which the positive connection of the clutch is completely disposed inside or outside the core part, that the coupling plunger in a closed position in which the positive connection of the clutch is generated, of the Clutch wedge is supported and that the coupling ram has a relation to the core part or cam inclined surface, so that upon initiation of torque between the core part and cam of the coupling ram is acted upon by a force in the form-locking clutch releasing position.
  • the structural complexity for acting on the coupling ram of a force in the positive engagement of the clutch releasing position can be kept particularly low according to an advantageous embodiment of the invention, when the coupling ram protrudes with a conical end in the outer of the two components of the core part or the cam.
  • the conical end of the coupling plunger is formed as an inclined surface.
  • the coupling wedge according to another advantageous embodiment of the invention, when the coupling wedge facing a resiliently biased support pin and that the support pin and the coupling wedge have superimposed ramps.
  • the coupling wedge displaces the support pin when the recesses of the coupling for the coupling plunger are not in the aligned position.
  • the coupling wedge can be moved in any case and, for example, a key to move the coupling wedge are introduced into the lock cylinder.
  • the leadership of the coupling wedge against the coupling ram designed according to another advantageous embodiment of the invention is particularly simple when rests in the basic position of the coupling wedge on the ramp of the support pin.
  • the coupling wedge can be easily by gravity in the normal position hold. The force required to move the coupling wedge against the coupling ram is therefore particularly low.
  • the core part forms a preassemblable structural unit with the coupling wedge, the coupling plunger, the support pin and with a support pin biasing spring element.
  • the clutch is reliably held in its closed position according to another advantageous embodiment of the invention, when the support pin has a support surface for supporting the coupling wedge in a closed position generating the closed position.
  • the lock cylinder designed in accordance with another advantageous embodiment of the invention structurally particularly simple when the coupling wedge axially displaceable between the movement of the coupling plunger releasing the basic position in the clutch plunger holder closing position is movable and that the coupling plunger in the movement between the basic position and the closed position a ramp is performed.
  • the lock cylinder is structurally particularly simple according to another advantageous development of the invention, when the cam is rotatably connected to a lock bit sleeve, that the lock bit sleeve encloses a portion of the core part and that in the basic position of the coupling plunger is disposed completely within the core part.
  • the construction effort to block or release the movement of the core part can be according to another advantageous embodiment of the invention keep particularly low when the core part in the direction of rotation is positively connected to a core outer part and that the core outer part is held by an electromagnetic locking mechanism.
  • the coupling wedge, and the coupling plunger are made of a non-magnetic material.
  • FIG. 1 shows a portion of a lock cylinder 1 with a housing 2 and a centrally disposed therein core part 3.
  • core part 3 two close Core outer parts 4, 5 at.
  • a key 7 for closing the lock cylinder 1 is partially inserted.
  • the lock cylinder 1 has an electronically activatable locking mechanism 8 for selectively blocking or releasing the movement of a core outer part 4.
  • the lock cylinder 1 has a cam 9, which is rotatably connected to a cam sleeve 10.
  • the lock bit sleeve 10 encloses the core part 3.
  • a coupling 11 allows the optional generation or solution of a positive connection of the core part 3 with the lock bit sleeve 10.
  • this lock cylinder 1 is suitable for use in so-called panic locks.
  • FIG. 2 shows greatly enlarged the coupling 11 having portion of the lock cylinder 1 from FIG. 1 ,
  • the coupling 11 has a coupling tappet 12.
  • the coupling tappet 12 is guided radially in a recess 13 of the core part 3 and faces a recess 14 in the cam sleeve 10.
  • the coupling plunger 12 has a conical end 15, with which it faces the recess 14 of the lock bit sleeve 10.
  • closing channel 6 projects into a sliding bolt 16, which transmits the movement of the key 7 in the core part 3.
  • a coupling wedge 17 is arranged longitudinally displaceable.
  • the coupling wedge 17 has a ramp 18, with which it rests on a ramp 19 of a resiliently biased support pin 20.
  • a spring element 21 for biasing the support pin 20 is in FIG. 1 shown. In this illustrated Basic position of the coupling wedge 17 is spaced from the coupling plunger 12.
  • FIG. 3 shows in a sectional view taken along the line III - III, that the coupling plunger 12 is disposed completely outside the recess 13 of the cam bit 10.
  • the coupling plunger 12 is held by gravity in its fully disposed within the core part 3 position. If the coupling plunger 12 with its conical end 15 protrude slightly into the recess 14 of the lock bit sleeve 10, a relative rotation of the lock bit sleeve 10 relative to the core part 3 would lead to an axial force introduction into the coupling plunger 12, with the result that the coupling plunger 12 in the core part 3 would be pushed back.
  • FIG. 4 shows the portion of the lock cylinder 1 having the clutch FIG. 1 after a complete insertion of the key 7 in the closing channel 6. It can be seen that the sliding bolt 16 has pushed the coupling wedge 17 on a support surface 23 of the support pin 20. The coupling wedge 17 is thus supported by the support pin 20. The coupling wedge 17 has in turn displaced the coupling plunger 12 radially outwards into the recess 14 of the lock bit sleeve 10. Thus, the coupling plunger 12 is disposed both in the core part 3 and in the lock bit sleeve 10 and generates a positive connection of the two components. This can be rotated by turning the key 7, the core part 3 and a torque on the Sch Strukturbarthülse 10 are introduced into the cam 9. As long as the coupling plunger 12 of the coupling wedge 17 in the in FIG. 4 is supported position shown, the coupling plunger 12 remains in the form-locking position generating. This indicates a closed position of the lock cylinder.
  • FIG. 5 shows the coupling 11 having portion of the lock cylinder 1 from FIG. 2 when the lock bit sleeve 10 is rotated relative to the core part 3 and the key 7 is completely inserted into the closing channel 6.
  • the coupling plunger 12 abuts against the lock bit sleeve 10 and therefore can not be displaced out of the core part 3 with its conical end 15.
  • the coupling wedge 17 is therefore guided along a further ramp 22 under the coupling plunger 12 and presses against the resiliently biased support pin 20.
  • the resiliently biased support pin 20 and the coupling wedge 17 generate an against the Schschschthbarthggse 10 directed axial force on the coupling rod 12.
  • the core part 3 can then be rotated until the coupling plunger 12 again faces the recess 14 in the lock bit sleeve 10 and can produce the positive connection of the components.

Description

Die Erfindung betrifft einen Schließzylinder mit einem in einem Gehäuse drehbaren Kernteil, mit einem drehbaren Schließbart und mit zumindest einer Kupplung zur wahlweisen Erzeugung oder Lösung eines Formschlusses des Kernteils mit dem Schließbart, mit einem in radialer Richtung verschieblichen Kupplungsstößel der Kupplung zur Erzeugung oder Lösung des Formschlusses, mit einem in dem Kernteil angeordneten axial verschieblichen Kupplungskeil zur Verschiebung des Kupplungsstößels.The invention relates to a lock cylinder with a rotatable core in a housing part, with a rotatable cam and at least one clutch for selectively generating or solving a positive connection of the core part with the cam, with a displaceable in the radial direction of the coupling ram clutch for generating or solving the positive connection , with an axially displaceable coupling wedge arranged in the core part for displacement of the coupling plunger.

Ein solcher Schließzylinder ist beispielsweise aus der EP 1 079 050 B1 bekannt. Bei diesem Schließzylinder ist der Kupplungsstößel kugelförmig gestaltet und stellt in einer radial nach außen gedrückten Stellung den Formschluss der Kupplung her. Schließbart und Kernteil weisen hierfür korrespondierende Ausnehmungen zur Aufnahme des Kupplungsstößels in der den Formschluss erzeugenden Stellung auf. Der Kupplungskeil hat eine axiale Führung in dem Kernteil. Bei gelöstem Formschluss kann sich das Kernteil relativ zu dem Schließbart verdrehen. Zur Erzeugung des Formschlusses muss das Kernteil gegenüber dem Schließbart wieder relativ verdreht werden, bis die Ausnehmungen fluchten, um den Kupplungsstößel aufzunehmen. Erst dann kann der Kupplungskeil verschoben werden. Der Kupplungskeil des bekannten Schließzylinders wird von einem Federelement in die den Formschluss erzeugende Stellung vorgespannt. Hierdurch schnappt der Kupplungskeil hinter den Kupplungsstößel, wenn die Ausnehmungen für den Kupplungsstößel fluchten. Dies ist jedoch störend, wenn der Kupplungskeil von einem von Hand in den Schließzylinder eingeführten Schlüssel verschoben werden soll.Such a lock cylinder is for example from the EP 1 079 050 B1 known. In this lock cylinder, the coupling ram is designed spherical and produces in a radially outwardly depressed position the positive connection of the coupling. Cam and core part have for this purpose corresponding recesses for receiving the coupling plunger in the form-locking generating position. The coupling wedge has an axial guide in the core part. When dissolved positive fit, the core part can rotate relative to the cam. To produce the positive connection, the core part must be relatively rotated relative to the cam again until the recesses are aligned to receive the coupling ram. Only then can the coupling wedge be moved. The coupling wedge of the known lock cylinder is biased by a spring element in the form-locking generating position. As a result, the coupling wedge snaps behind the coupling plunger when the recesses for the coupling plunger are aligned. However, this is annoying when the Clutch wedge to be moved by a hand inserted into the lock cylinder key.

Bei für den Einsatz in sogenannten Panikschlössern ist jedoch eine zuverlässige Lösung des Formschlusses der Kupplung in eine Grundstellung erforderlich. Bei Schließzylindern für solche Panikschlösser ist ein frei drehender Schließbart vorgeschrieben.For use in so-called panic locks, however, a reliable solution of the positive connection of the clutch in a basic position is required. For lock cylinders for such panic locks a free-rotating cam is required.

Der Erfindung liegt das Problem zugrunde, einen Schließzylinder der eingangs genannten Art so weiter zu bilden, dass eine zuverlässige freie Drehung des Schließbartes ermöglicht, wenn die Kupplung nicht aktiv zur Erzeugung eines Formschlusses betätigt ist.The invention is based on the problem, so far as to form a lock cylinder of the type mentioned that a reliable free rotation of the cam allows when the clutch is not actively operated to produce a positive connection.

Dieses Problem wird erfindungsgemäß dadurch gelöst, dass der Kupplungsstößel in einer Grundstellung, in der der Formschluss der Kupplung gelöst ist, vollständig innerhalb oder außerhalb des Kernteils angeordnet ist, dass der Kupplungsstößel in einer Schließstellung, in der der Formschluss der Kupplung erzeugt ist, von dem Kupplungskeil abgestützt ist und dass der Kupplungsstößel eine gegenüber dem Kernteil oder Schließbart geneigte Fläche hat, so dass bei einer Einleitung eines Drehmomentes zwischen Kernteil und Schließbart der Kupplungsstößel mit einer Kraft in die den Formschluss der Kupplung lösende Stellung beaufschlagt ist.This problem is inventively solved in that the coupling plunger is arranged in a basic position in which the positive connection of the clutch is completely disposed inside or outside the core part, that the coupling plunger in a closed position in which the positive connection of the clutch is generated, of the Clutch wedge is supported and that the coupling ram has a relation to the core part or cam inclined surface, so that upon initiation of torque between the core part and cam of the coupling ram is acted upon by a force in the form-locking clutch releasing position.

Durch diese Gestaltung wird zunächst als Grundstellung der Kupplung festgelegt, dass der Formschluss zwischen dem Kernteil und dem Schließbart gelöst ist. Sofern die Kupplung jedoch durch Toleranzen, Schmutz oder dergleichen in einer den Formschluss zwischen Kernteil und Schließbart erzeugenden Stellung verharrt, wird bei der Einleitung eines Drehmomentes der Kupplungsstößel aktiv aus der den Formschluss erzeugenden Bewegung heraus bewegt. Damit wird eine zuverlässige freie Drehung des Schließbartes ermöglicht, solange die Kupplung nicht aktiv in die den Formschluss erzeugende Stellung betätigt wurde. Hierdurch eignet sich der Schließzylinder insbesondere für den Einsatz in so genannten Panikschlössern.By this design, it is first determined as the basic position of the coupling, that the positive connection between the core part and the cam is released. However, if the clutch remains in tolerances, dirt or the like in a positive connection between the core part and the cam-generating position, when the introduction of a torque of the coupling plunger is actively moved out of the positive connection generating movement. Thus, a reliable free rotation of the cam is enabled as long as the clutch was not actively operated in the positive locking generating position. As a result, the lock cylinder is particularly suitable for use in so-called panic locks.

Der bauliche Aufwand zur Beaufschlagung des Kupplungsstößels einer Kraft in die den Formschluss der Kupplung lösende Stellung lässt sich gemäß einer vorteilhaften Weiterbildung der Erfindung besonders gering halten, wenn der Kupplungsstößel mit einem kegelförmigen Ende in das äußere der beiden Bauteile des Kernteils oder des Schließbartes hineinragt. Durch diese Gestaltung ist das kegelförmige Ende des Kupplungsstößels als geneigte Fläche ausgebildet.The structural complexity for acting on the coupling ram of a force in the positive engagement of the clutch releasing position can be kept particularly low according to an advantageous embodiment of the invention, when the coupling ram protrudes with a conical end in the outer of the two components of the core part or the cam. By this configuration, the conical end of the coupling plunger is formed as an inclined surface.

Auch bei nicht fluchtenden Ausnehmungen für den Kupplungsstößel im Kernteil und im Schließbart lässt sich der Kupplungskeil gemäß einer anderen vorteilhaften Weiterbildung der Erfindung verschieben, wenn der Kupplungskeil einem federelastisch vorgespannten Stützstift gegenübersteht und dass der Stützstift und der Kupplungskeil aufeinanderliegende Rampen aufweisen. Durch diese Gestaltung verschiebt der Kupplungskeil den Stützstift, wenn sich die Ausnehmungen der Kupplung für den Kupplungsstößel nicht in der fluchtenden Stellung befinden. Damit kann der Kupplungskeil in jedem Fall verschoben und beispielsweise ein Schlüssel zur Verschiebung des Kupplungskeils in den Schließzylinder eingeführt werden.Even with non-aligned recesses for the coupling plunger in the core part and in the cam can be moved, the coupling wedge according to another advantageous embodiment of the invention, when the coupling wedge facing a resiliently biased support pin and that the support pin and the coupling wedge have superimposed ramps. By this design, the coupling wedge displaces the support pin when the recesses of the coupling for the coupling plunger are not in the aligned position. Thus, the coupling wedge can be moved in any case and, for example, a key to move the coupling wedge are introduced into the lock cylinder.

Die Führung des Kupplungskeils gegen den Kupplungsstößel gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders einfach, wenn in der Grundstellung der Kupplungskeil auf der Rampe des Stützstiftes aufliegt. Durch diese Gestaltung lässt sich der Kupplungskeil einfach durch die Schwerkraft in der Grundstellung halten. Der Kraftaufwand zur Bewegung des Kupplungskeils gegen den Kupplungsstößel ist daher zudem besonders gering.The leadership of the coupling wedge against the coupling ram designed according to another advantageous embodiment of the invention is particularly simple when rests in the basic position of the coupling wedge on the ramp of the support pin. By this design, the coupling wedge can be easily by gravity in the normal position hold. The force required to move the coupling wedge against the coupling ram is therefore particularly low.

Zur Vereinfachung der Montage des Schließzylinders trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn das Kernteil mit dem Kupplungskeil, dem Kupplungsstößel, dem Stützstift und mit einem den Stützstift vorspannenden Federelement eine vormontierbare bauliche Einheit bildet.To simplify the installation of the lock cylinder, it contributes according to another advantageous embodiment of the invention, when the core part forms a preassemblable structural unit with the coupling wedge, the coupling plunger, the support pin and with a support pin biasing spring element.

Die Kupplung wird gemäß einer anderen vorteilhaften Weiterbildung der Erfindung zuverlässig in ihrer Schließstellung gehalten, wenn der Stützstift eine Stützfläche zur Abstützung des Kupplungskeils in einer den Formschluss erzeugenden Schließstellung hat.The clutch is reliably held in its closed position according to another advantageous embodiment of the invention, when the support pin has a support surface for supporting the coupling wedge in a closed position generating the closed position.

Der Schließzylinder gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung konstruktiv besonders einfach, wenn der Kupplungskeil axial verschieblich zwischen der die Bewegung des Kupplungsstößels freigebenden Grundstellung in der den Kupplungsstößel halternden Schließstellung bewegbar ist und dass der Kupplungsstößel bei der Bewegung zwischen der Grundstellung und der Schließstellung an einer Rampe geführt ist.The lock cylinder designed in accordance with another advantageous embodiment of the invention structurally particularly simple when the coupling wedge axially displaceable between the movement of the coupling plunger releasing the basic position in the clutch plunger holder closing position is movable and that the coupling plunger in the movement between the basic position and the closed position a ramp is performed.

Der Schließzylinder gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung konstruktiv besonders einfach, wenn der Schließbart drehfest mit einer Schließbarthülse verbunden ist, dass die Schließbarthülse einen Teilbereich des Kernteils umschließt und dass in der Grundstellung der Kupplungsstößel vollständig innerhalb des Kernteils angeordnet ist.The lock cylinder is structurally particularly simple according to another advantageous development of the invention, when the cam is rotatably connected to a lock bit sleeve, that the lock bit sleeve encloses a portion of the core part and that in the basic position of the coupling plunger is disposed completely within the core part.

Der bauliche Aufwand zur Blockierung oder Freigabe der Bewegung des Kernteils lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders gering halten, wenn das Kernteil in Drehrichtung formschlüssig mit einem Kernaußenteil verbindbar ist und dass das Kernaußenteil von einem elektromagnetischen Sperrmechanismus gehalten ist.The construction effort to block or release the movement of the core part can be according to another advantageous embodiment of the invention keep particularly low when the core part in the direction of rotation is positively connected to a core outer part and that the core outer part is held by an electromagnetic locking mechanism.

Zur Erschwerung möglicher Manipulationsversuche durch Magnetisierung der Bauteile des Schließzylinders trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn der Kupplungskeil, und der Kupplungsstößel aus einem unmagnetischen Material gefertigt sind.To complicate possible manipulation attempts by magnetizing the components of the lock cylinder, it contributes according to another advantageous embodiment of the invention, when the coupling wedge, and the coupling plunger are made of a non-magnetic material.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in

  • Fig.1 einen Längsschnitt durch einen Schließzylinder in Grundstellung,
  • Fig.2 stark vergrößert einen Teilbereich des Schließzylinders,
  • Fig.3 eine Schnittdarstellung durch den Teilbereich des Schließzylinders aus Figur 2 entlang der Linie III - III,
  • Fig.4 den Teilbereich des Schließzylinders aus Figur 2 in Schließstellung,
  • Fig.5 den Teilbereich des Schließzylinders aus Figur 2 in einer weiteren Stellung,
The invention allows numerous embodiments. To further clarify its basic principle, one of them is shown in the drawing and will be described below. This shows in
  • Fig.1 a longitudinal section through a lock cylinder in basic position,
  • Fig.2 greatly enlarged a portion of the lock cylinder,
  • Figure 3 a sectional view through the portion of the lock cylinder FIG. 2 along the line III - III,
  • Figure 4 the portion of the lock cylinder of Figure 2 in the closed position,
  • Figure 5 the portion of the lock cylinder of Figure 2 in a further position,

Figur 1 zeigt einen Teilbereich eines Schließzylinders 1 mit einem Gehäuse 2 und einem darin zentrisch angeordneten Kernteil 3. An dem Kernteil 3 schließen sich zwei Kernaußenteile 4, 5 an. In einem Schließkanal 6 eines der Kernaußenteile 4 ist ein Schlüssel 7 zum Schließen des Schließzylinders 1 teilweise eingeführt. Der Schließzylinder 1 hat einen elektronisch aktivierbaren Sperrmechanismus 8 zur wahlweisen Blockierung oder Freigabe der Bewegung des einen Kernaußenteils 4. Weiterhin hat der Schließzylinder 1 einen Schließbart 9, welcher mit einer Schließbarthülse 10 drehfest verbunden ist. Die Schließbarthülse 10 umschließt das Kernteil 3. Eine Kupplung 11 ermöglicht die wahlweise Erzeugung oder Lösung eines Formschlusses des Kernteils 3 mit der Schließbarthülse 10. In der dargestellten Grundstellung, in der der Schlüssel 7 nicht vollständig in den Schließkanal 6 des einen Kernaußenteiles 4 eingeführt ist, ist der Formschluss zwischen dem Kernteil 3 und der Schließbarthülse 10 und damit dem Schließbart 9 gelöst. Damit eignet sich dieser Schließzylinder 1 für den Einsatz in so genannten Panikschlössern. FIG. 1 shows a portion of a lock cylinder 1 with a housing 2 and a centrally disposed therein core part 3. At the core part 3, two close Core outer parts 4, 5 at. In a closing channel 6 of the core outer parts 4, a key 7 for closing the lock cylinder 1 is partially inserted. The lock cylinder 1 has an electronically activatable locking mechanism 8 for selectively blocking or releasing the movement of a core outer part 4. Furthermore, the lock cylinder 1 has a cam 9, which is rotatably connected to a cam sleeve 10. The lock bit sleeve 10 encloses the core part 3. A coupling 11 allows the optional generation or solution of a positive connection of the core part 3 with the lock bit sleeve 10. In the illustrated basic position in which the key 7 is not fully inserted into the closing channel 6 of the core outer part 4, is the positive connection between the core part 3 and the lock bit sleeve 10 and thus the cam 9 solved. Thus, this lock cylinder 1 is suitable for use in so-called panic locks.

Figur 2 zeigt stark vergrößert den die Kupplung 11 aufweisenden Teilbereich des Schließzylinders 1 aus Figur 1. Die Kupplung 11 hat einen Kupplungsstößel 12. Der Kupplungsstößel 12 ist radial in einer Ausnehmung 13 des Kernteils 3 geführt und steht einer Ausnehmung 14 in der Schließbarthülse 10 gegenüber. Der Kupplungsstößel 12 hat ein kegelförmiges Ende 15, mit dem er der Ausnehmung 14 der Schließbarthülse 10 gegenübersteht. In den in Figur 1 dargestellten Schließkanal 6 ragt ein Schiebbebolzen 16 hinein, welcher die Bewegung des Schlüssels 7 in das Kernteil 3 überträgt. In dem Kernteil 3 ist ein Kupplungskeil 17 längsverschieblich angeordnet. Der Kupplungskeil 17 hat eine Rampe 18, mit der es auf einer Rampe 19 eines federnd vorgespannten Stützstiftes 20 aufliegt. Ein Federelement 21 zur Vorspannung des Stützstiftes 20 ist in Figur 1 dargestellt. In dieser dargestellten Grundstellung ist der Kupplungskeil 17 von dem Kupplungsstößel 12 beabstandet. FIG. 2 shows greatly enlarged the coupling 11 having portion of the lock cylinder 1 from FIG. 1 , The coupling 11 has a coupling tappet 12. The coupling tappet 12 is guided radially in a recess 13 of the core part 3 and faces a recess 14 in the cam sleeve 10. The coupling plunger 12 has a conical end 15, with which it faces the recess 14 of the lock bit sleeve 10. In the in FIG. 1 shown closing channel 6 projects into a sliding bolt 16, which transmits the movement of the key 7 in the core part 3. In the core part 3, a coupling wedge 17 is arranged longitudinally displaceable. The coupling wedge 17 has a ramp 18, with which it rests on a ramp 19 of a resiliently biased support pin 20. A spring element 21 for biasing the support pin 20 is in FIG. 1 shown. In this illustrated Basic position of the coupling wedge 17 is spaced from the coupling plunger 12.

Figur 3 zeigt in einer Schnittdarstellung entlang der Linie III - III, dass der Kupplungsstößel 12 vollständig außerhalb der Ausnehmung 13 der Schließbarthülse 10 angeordnet ist. Der Kupplungsstößel 12 wird von der Schwerkraft in seiner vollständig innerhalb des Kernteils 3 angeordneten Lage gehalten. Würde der Kupplungsstößel 12 mit seinem kegelförmigen Ende 15 geringfügig in die Ausnehmung 14 der Schließbarthülse 10 hineinragen, würde eine Relativdrehung der Schließbarthülse 10 gegenüber dem Kernteil 3 zu einer axialen Krafteinleitung in den Kupplungsstößel 12 führen, mit der Folge, dass der Kupplungsstößel 12 in das Kernteil 3 zurückgedrückt werden würde. FIG. 3 shows in a sectional view taken along the line III - III, that the coupling plunger 12 is disposed completely outside the recess 13 of the cam bit 10. The coupling plunger 12 is held by gravity in its fully disposed within the core part 3 position. If the coupling plunger 12 with its conical end 15 protrude slightly into the recess 14 of the lock bit sleeve 10, a relative rotation of the lock bit sleeve 10 relative to the core part 3 would lead to an axial force introduction into the coupling plunger 12, with the result that the coupling plunger 12 in the core part 3 would be pushed back.

Figur 4 zeigt den die Kupplung aufweisenden Teilbereich des Schließzylinders 1 aus Figur 1 nach einem vollständigen Einführen des Schlüssels 7 in den Schließkanal 6. Hierbei ist zu erkennen, dass der Schiebebolzen 16 den Kupplungskeil 17 auf eine Stützfläche 23 des Stützstiftes 20 geschoben hat. Der Kupplungskeil 17 wird damit von dem Stützstift 20 abgestützt. Der Kupplungskeil 17 hat wiederum den Kupplungsstößel 12 radial nach außen in die Ausnehmung 14 der Schließbarthülse 10 verschoben. Damit ist der Kupplungsstößel 12 sowohl in dem Kernteil 3 als auch in der Schließbarthülse 10 angeordnet und erzeugt einen Formschluss der beiden Bauteile. Damit kann durch Drehen des Schlüssels 7 das Kernteil 3 verdreht und ein Drehmoment über die Schließbarthülse 10 in den Schließbart 9 eingeleitet werden. Solange der Kupplungsstößel 12 von dem Kupplungskeil 17 in der in Figur 4 dargestellten Lage abgestützt wird, verbleibt der Kupplungsstößel 12 in der den Formschluss erzeugenden Lage. Dies kennzeichnet eine Schließstellung des Schließzylinders. FIG. 4 shows the portion of the lock cylinder 1 having the clutch FIG. 1 after a complete insertion of the key 7 in the closing channel 6. It can be seen that the sliding bolt 16 has pushed the coupling wedge 17 on a support surface 23 of the support pin 20. The coupling wedge 17 is thus supported by the support pin 20. The coupling wedge 17 has in turn displaced the coupling plunger 12 radially outwards into the recess 14 of the lock bit sleeve 10. Thus, the coupling plunger 12 is disposed both in the core part 3 and in the lock bit sleeve 10 and generates a positive connection of the two components. This can be rotated by turning the key 7, the core part 3 and a torque on the Schließbarthülse 10 are introduced into the cam 9. As long as the coupling plunger 12 of the coupling wedge 17 in the in FIG. 4 is supported position shown, the coupling plunger 12 remains in the form-locking position generating. This indicates a closed position of the lock cylinder.

Figur 5 zeigt den die Kupplung 11 aufweisenden Teilbereich des Schließzylinders 1 aus Figur 2, wenn die Schließbarthülse 10 gegenüber dem Kernteil 3 verdreht ist und der Schlüssel 7 vollständig in den Schließkanal 6 eingeführt wird. In diesem Fall stößt der Kupplungsstößel 12 gegen die Schließbarthülse 10 und kann daher nicht mit seinem kegelförmigen Ende 15 aus dem Kernteil 3 heraus verlagert werden. Der Kupplungskeil 17 wird daher entlang einer weiteren Rampe 22 unter dem Kupplungsstößel 12 geführt und drückt gegen den federnd vorgespannten Stützstift 20. Der federnd vorgespannte Stützstift 20 und der Kupplungskeil 17 erzeugen eine gegen die Schließbarthülse 10 gerichtete Axialkraft auf den Kupplungsstößel 12. Durch Drehung des Schlüssels 7 lässt sich anschließend das Kernteil 3 verdrehen, bis der Kupplungsstößel 12 wieder der Ausnehmung 14 in der Schließbarthülse 10 gegenübersteht und den Formschluss der Bauteile erzeugen kann. FIG. 5 shows the coupling 11 having portion of the lock cylinder 1 from FIG. 2 when the lock bit sleeve 10 is rotated relative to the core part 3 and the key 7 is completely inserted into the closing channel 6. In this case, the coupling plunger 12 abuts against the lock bit sleeve 10 and therefore can not be displaced out of the core part 3 with its conical end 15. The coupling wedge 17 is therefore guided along a further ramp 22 under the coupling plunger 12 and presses against the resiliently biased support pin 20. The resiliently biased support pin 20 and the coupling wedge 17 generate an against the Schließbarthülse 10 directed axial force on the coupling rod 12. By turning the key 7, the core part 3 can then be rotated until the coupling plunger 12 again faces the recess 14 in the lock bit sleeve 10 and can produce the positive connection of the components.

Claims (10)

  1. A locking cylinder (1) having a core part (3) rotatable in a housing (2), with a rotatable locking bit (9) and with at least one coupling (11) for the optional generation or release of a positive locking of the core part (3) with the locking bit (9), having a coupling push rod (12) of the coupling (11) displaceable in the radial direction for the generation or release of the positive locking, having an axially displaceable coupling wedge (17) arranged in the core part (3) for the displacement of the coupling push rod (12), characterized in that the coupling push rod (12) is arranged completely within or outside of the core part (3) in a basic position, in which the positive locking of the coupling (11) is released, that the coupling push rod (12) is supported by the coupling wedge (17) in a locking position, in which the positive locking of the coupling (11) is generated and that the coupling push rod (12) has a surface inclined relative to the core part (3) or the locking bit (9), so that when a torque is introduced between core part (3) and locking bit (9) the coupling push rod (12) is forced into the position releasing the positive locking of the coupling (11).
  2. A locking cylinder according to Claim 1, characterized in that the coupling push rod (12) protrudes with a cone-shaped end (15) into the outer of the two components of the core part (3) or of the locking bit (9).
  3. A locking cylinder according to Claim 1 or 2, characterized in that the coupling wedge (17) faces the resiliently pre-tensioned support pin (20) and that the support pin (20) and the coupling wedge (17) have ramps (18, 19) lying one upon the other.
  4. A locking cylinder according to Claim 3, characterized in that in the basic position the coupling wedge (17) abuts against the ramp (19) of the support pin (20).
  5. A locking cylinder according to Claim 3 or 4, characterized in that the core part (3) with the coupling wedge (17), the coupling push rod (12), the support pin (20) and with a spring element (21) pre-tensioning the support pin (20) forms a structural unit which can be pre-assembled.
  6. A locking cylinder according to any one of Claims 3 to 5, characterized in that the support pin (20) has a support surface (23) for the support of the coupling wedge (17) in the locking position generating the positive locking.
  7. A locking cylinder according to any one of Claims 1 to 6, characterized in that the coupling wedge (17) is movable axially displaceably between the basic position which releases the movement of the coupling push rod (12) and the locking position which holds the coupling push rod (12) and that the coupling push rod (12) is guided on a ramp (22) when moving between the basic position and the locking position.
  8. A locking cylinder according to any one of Claims 1 to 7, characterized in that the locking bit (9) is connected in a rotationally fixed manner to a locking bit sleeve (10), that the locking bit sleeve (10) surrounds a sub-region of the core part (3) and that in the basic position the coupling push rod (12) is arranged completely within the core part (3).
  9. A locking cylinder according to an one of Claims 1 to 8, characterized in that the core part (3) is connectable positively with the core outer part (4, 5) in the rotational direction and that the core outer part (4, 5) is held by an electromagnetic locking mechanism (8).
  10. A locking cylinder according to any one of Claims 1 to 9, characterized in that the coupling wedge (17), and the coupling push rod (12) are made of a non-magnetic material.
EP14181879.9A 2013-09-11 2014-08-22 Locking cylinder Active EP2848754B1 (en)

Priority Applications (1)

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PL14181879T PL2848754T3 (en) 2013-09-11 2014-08-22 Locking cylinder

Applications Claiming Priority (1)

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DE102013218216.3A DE102013218216A1 (en) 2013-09-11 2013-09-11 lock cylinder

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EP2848754A2 EP2848754A2 (en) 2015-03-18
EP2848754A3 EP2848754A3 (en) 2016-04-13
EP2848754B1 true EP2848754B1 (en) 2019-04-03

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Family Applications (1)

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EP14181879.9A Active EP2848754B1 (en) 2013-09-11 2014-08-22 Locking cylinder

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EP (1) EP2848754B1 (en)
DE (1) DE102013218216A1 (en)
ES (1) ES2724902T3 (en)
PL (1) PL2848754T3 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109308973B (en) * 2017-07-27 2021-06-04 平高集团有限公司 Clutch device and operating mechanism for electrical switch using same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1194287B (en) * 1961-08-11 1965-06-03 Burg Waechter Kg Luelin A Built-in double cylinder
DE3010959A1 (en) * 1980-03-21 1981-10-01 Zeiss Ikon Ag, 7000 Stuttgart Double cylinder lock assembly - has snap ring in cylinder core end groove perforations and radial coupling
DE19940247A1 (en) 1999-08-25 2001-03-08 Winkhaus Fa August Locking device
DE10049477A1 (en) * 2000-10-06 2002-05-02 Winkhaus Fa August Lock cylinder has electromagnetically activated locking device, movable core with preferred breakage point in rear part between its connection to front part of core and locking device
DE10100787A1 (en) * 2001-01-10 2002-07-11 Winkhaus Fa August Lock cylinder has sliding element and/or latching bolt ramp for moving latching bolt out of opening in lock bit for defined axial displacement of sliding element
DE102009043358A1 (en) * 2008-04-11 2011-04-07 Cestronics Gmbh Lock cylinder with magnetically coupled closing element
CH701790A2 (en) * 2009-08-31 2011-03-15 Kaba Ag Locking device.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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Also Published As

Publication number Publication date
DE102013218216A1 (en) 2015-03-12
EP2848754A2 (en) 2015-03-18
ES2724902T3 (en) 2019-09-17
EP2848754A3 (en) 2016-04-13
PL2848754T3 (en) 2019-08-30

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