EP1961897A1 - Cylindre de verrouillage - Google Patents

Cylindre de verrouillage Download PDF

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Publication number
EP1961897A1
EP1961897A1 EP07003856A EP07003856A EP1961897A1 EP 1961897 A1 EP1961897 A1 EP 1961897A1 EP 07003856 A EP07003856 A EP 07003856A EP 07003856 A EP07003856 A EP 07003856A EP 1961897 A1 EP1961897 A1 EP 1961897A1
Authority
EP
European Patent Office
Prior art keywords
driver
ring
locking
locking cylinder
cylinder according
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.)
Withdrawn
Application number
EP07003856A
Other languages
German (de)
English (en)
Inventor
Bernhard Hukelmann
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.)
HID GmbH
Original Assignee
HID GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HID GmbH filed Critical HID GmbH
Priority to EP07003856A priority Critical patent/EP1961897A1/fr
Publication of EP1961897A1 publication Critical patent/EP1961897A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/0634—Cylinder locks with electromagnetic control by blocking the rotor radially with a pivotally moveable blocking 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
    • E05B47/0676—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
    • E05B47/0684—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle radially
    • E05B47/0688—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle radially with a pivotally 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
    • E05B47/0676—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle
    • E05B47/0684—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle radially
    • E05B47/0692—Controlling mechanically-operated bolts by electro-magnetically-operated detents by disconnecting the handle radially with a rectilinearly moveable coupling element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0448—Units of springs; Two or more springs working together
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0458—Leaf springs; Non-wound wire springs

Definitions

  • the invention concerns a locking cylinder comprising a cylinder housing in which a locking core is pivotably mounted.
  • the locking core works together with a locking latch which actuates a lock or a switch and is carried by a ring turnably arranged on said lock core.
  • Such a locking cylinder is known from WO 2005/001224 A1 .
  • the locking cylinder comprises a ring which is rotatably arranged on the locking core.
  • a retention pin is provided which is electric motor driven to-and-fro movable and, in its extended position, engages an opening of the ring. Therewith, a tight connection between locking core and locking latch is generated.
  • the retention pin moves radially to the locking core and is directly driven by the electric motor drive. For a secure engagement of the retention pin with the opening, it is necessary that the opening in the ring is in alignment to the retention pin. Otherwise a secure engagement can not be provided.
  • the ring comprises on its inner surface at least one recess and preferably a plurality of recesses which are engageable with at least one driver.
  • the driver is moveable between a rest position and an engaging position in which the driver connects the ring to the lock core.
  • the driver is turnably arranged on a pivot axis extending parallel and excentrical to the pivot axis of the lock core. The driver moves out in the form of a catch and can engage the recess. If a plurality of recesses is provided on the ring an engagement is possible in several rotating positions.
  • the force transmission for transmitting the rotating movement is effected essentially along the longitudinal axis of the driver along a chord of the locking core. With that it is possible to transmit high forces. Especially, it is achieved that the driver has only to be moved for little ways in order to effect an engagement. Furthermore, it is possible to move the driver into the engaging position even if the recess is not in alignment with the driver. In the rest position the ring is freely turnable on the locking core.
  • the pivot axis of the driver is located in the outer edge portion of the locking core.
  • the pivot axis can be arranged in the outer third portion of the locking core.
  • the driver is formed as a latch which is retracted in the rest position and, in the engaging position, extends beyond the periphery of the locking core for engaging one of the recesses of the ring. This form of the driver has the effect that relative high forces can be transmitted and that the driver has only to be moved out for a little way for an unobjectionable engagement with the ring.
  • the driver is resiliently held in the working position. This has the advantage that an engagement can be effected even if the driver is in a position in which it cannot engage one of the recesses of the ring. It is achieved by the resilient arrangement that the driver is held under prestress in the rest position until the ring and thus the recess reach a position relative to the locking core in which position the driver can move outwardly and engages the recess. Then, the driver engages and the desired torque-proof connection between locking core and ring is provided. A reliable operating of the lock and/or switch is possible.
  • the driver is directly moved by an actuator.
  • the driver is moved by moving means which are driven from a rest position to a working position by the actuator. In the working position, the moving means move the driver into its engaging position.
  • the force transmitting of the torque-proof connection is separated from the movement of the moving means. It is only required to bring the moving means into their working position.
  • the moving means engage at least one recess on the inner surface of the ring facing the locking core and that by reason of the rotating movement of the ring with respect to the locking core the driver is moved into engagement with one of the recesses.
  • the recesses which can be engaged by the moving means are preferably the same as the recesses in which the driver engages. With that the rotating movement of the locking core is used for the establishment of the torque-proof connection. It is not necessary that the actuator drives correspondingly dimensioned moving means into their working position. It is sufficient to move relative small moving means into the working position whereby the moving means move the driver in the engaging position by reason of the rotating movement of the ring with respect to the locking core. Henceforth, the actuator may be small dimensioned.
  • the moving means comprise at least one spring element which is moved between a rest position and a working position by the actuator and directly or indirectly works with the driver.
  • the spring element can be designed as a leaf spring being to-and-fro movable in the locking core. With that it is only required to move the leaf spring in its working position by the actuator.
  • the actuator may be driven electromechanically or electromagnetically. The further movements especially the moving out of the driver are effected by the rotating movement between ring and locking core.
  • the leaf spring with one end engages one recess of the ring and moves a slider by reason of the rotating movement between ring and locking core.
  • the slider moves the driver into the engaging position with a recess of the ring.
  • the slider is movable along a chord of the locking core and directly or by means of a hinged connection forces the driver into the engaging position. It has been found out that by an appropriate arrangement of the slider, the driver and the leaf spring small ways are sufficient to move the driver into the engaging position.
  • the moving means comprise an excentric which moves the driver.
  • the excentric is resiliently connected to the driver.
  • an excentric can directly be driven by an electric motor.
  • two drivers which, depending on the direction of rotation, are moved into their respective engaging positions.
  • the arrangement can be such that the drivers are symmetrical to the axis of the locking core. With that it is possible to move the one or the other driver into the engaging position by the slider when the locking core is rotated in the one or the other direction. Especially it is achieved that, depending on the rotating direction, a good power connection from the locking core to the locking latch is provided by the driver. A secure operating of the lock is possible.
  • the ring comprises an internal gear with the teeth of which the driver and/or the moving means engage.
  • An internal gear comprises a plurality of recesses such that a plurality of engaging positions of the driver between the ring and the locking core exists. An undesired free rotating of the locking core without moving the locking latch is avoided. Further an internal gear can easily be manufactured.
  • the schematic shown locking cylinder comprises a locking core 11 which is rotatably arranged in a cylinder housing not shown.
  • a ring 12 is rotatably arranged carrying the locking latch 13 for operating a lock or a switch.
  • the locking core can be operated by a key or a knob.
  • the locking core 11 comprises to drivers 14, 14' which are on a pivot axis 15, 15' pivotably arranged between a rest position and an engaging position.
  • drivers 14, 14' which are on a pivot axis 15, 15' pivotably arranged between a rest position and an engaging position.
  • the left driver 14 is shown in its engaging position and the right driver 14' is shown in its rest position.
  • the pivot axis 15, 15' extend excentrical and parallel to the rotation axis 16 of the locking core 11.
  • the driver 14, 14' is formed as a latch through one end of which the pivot axis 15, 15' runs and, in the engaging position, the other end 17 of which can engage with recesses 18 on the inner surface 19 of the ring 12.
  • the recesses 18 are formed by an internal gear of the ring 12.
  • the left driver 14 engages one of the recesses 18 a torque-proof connection of the locking core 11 to the ring 12 and therewith to the locking latch 13 is generated.
  • the lock can be operated by further turning of the locking core.
  • the drivers 14, 14' are moved by a slider 20 which is to-and-fro movable along a chord of the locking core 11 within the locking core.
  • the slider 20 is shown in its left moved out position whereby the left driver 14 is moved in the engaging position by a lever 21.
  • the opposite end of the slider 20 is connected to the right driver 14' by a corresponding lever.
  • This driver 14' is moved inwardly in a direction to the turning axis 16 of the locking core after a movement of the slider to the left.
  • the right driver 14' comes into the engaging position and the left driver 14 is moved inwardly.
  • the slider 20 In the rest position the slider 20 is in a middle position in which both drivers are moved inwardly without extending beyond the periphery of the locking core.
  • the slider 20 is moved by a leaf spring 22.
  • the arrangement is such that the leaf spring 22 is driven in the direction of arrow 23 within the locking core by an actuator not shown which, for example, can be formed as electromagnetic means or an electromotoric drive or an excentric.
  • the leaf spring is guided in the slider and moves radial to the locking core and perpendicular to the slider.
  • the slider is movably mounted in the locking core along a chord of the locking core perpendicular to the leaf spring.
  • the slider 20 comprises a radial slot through which the leaf spring 22 extends. The slider is movable across and especially perpendicular to the moving direction of the leaf spring 22.
  • the free end 24 of the leaf spring can engage with one recess 18 of the ring in the moved-out working position. If the ring 12 is further turned in the direction of arrow 25 with respect to the locking core 11 the leaf spring 22 is moved within the locking core whereby the left driver 14 is pivoted into its engaging position by the lever 21. Then, the end 17 of the driver 14 can engage with another recess 18 of the ring. This allows a transmission of the rotating movement from the locking core to the ring. After finishing the locking operation or after a predetermined time the actuator is released whereby the leaf spring is removed into the locking core such that the slider is moved back in its middle position. Then none of the drivers 14, 14' is moved out and an engagement doesn't take place.
  • the drivers 31 are moved between the rest position and the engaging position by means of an excentric 32.
  • the driver 31 is formed as a L-like lever the one leg 33 of which engages the internal gear of the ring 12.
  • the other leg 34 is connected to the excentric by a spring element 35 such that, by turning of the excentric, the leg 33 is moved out or inwardly, respectively.
  • the spring element 35 is designed as a compression-tension spring which is able to transmit both compression forces and tension forces.
  • the driver 31 turns around an axis 36 which extends excentrical to the turning axis 16 of the lock core 11 and through the connection region of the legs 33, 34.
  • the drivers 14, 14', 31 are resiliently held in the engaging position. With that it is achieved that a secure engagement of the driver with one of the recesses 18 is possible even if one of the drivers is moved out in a position of the ring relative to the locking core in which position an engagement is not possible.
  • the driver 14, 14', 31 reaches a position in which it can engage one of the recesses 18.
  • the leaf spring is resiliently moved into the working position by the actuator. With that a secure engagement of the leaf spring and one of the recesses 18 on the inner surface of the ring 12 is provided. With that, a secure moving out of the drivers in the engaging position is ensured.
  • the internal gear comprises teeth with sharp edges facing the locking core.
  • the free end of the leaf spring can be provided with a rounded edge. With that an engagement of the leaf spring in one of the recesses adjacent to the respective tooth of the internal gear is achieved.
  • the above-mentioned locking cylinder can be operated with electronic access control units which are well known in the art.
  • the invention allows a small power consumption of the driving mechanism for connecting the locking latch to the locking core.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Control Devices (AREA)
EP07003856A 2007-02-26 2007-02-26 Cylindre de verrouillage Withdrawn EP1961897A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07003856A EP1961897A1 (fr) 2007-02-26 2007-02-26 Cylindre de verrouillage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07003856A EP1961897A1 (fr) 2007-02-26 2007-02-26 Cylindre de verrouillage

Publications (1)

Publication Number Publication Date
EP1961897A1 true EP1961897A1 (fr) 2008-08-27

Family

ID=38214999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07003856A Withdrawn EP1961897A1 (fr) 2007-02-26 2007-02-26 Cylindre de verrouillage

Country Status (1)

Country Link
EP (1) EP1961897A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991012400A1 (fr) * 1990-02-14 1991-08-22 Bewator Ab Mecanisme d'accouplement
EP0995864A2 (fr) * 1998-10-20 2000-04-26 Günter Uhlmann Système de verrouillage électromécanique
WO2003100199A1 (fr) * 2002-05-27 2003-12-04 Mul-T-Lock Technologies Ltd. Verrou
DE10324690A1 (de) * 2002-06-10 2004-02-05 Mehmet Sancak Ferngesteuert freigebbarer Schließzylinder
WO2005001224A1 (fr) * 2003-06-23 2005-01-06 Buga Technologies Gmbh Barillet electromagnetique
WO2005093191A1 (fr) * 2004-03-26 2005-10-06 Pbt (Ip) Limited Embrayage radial a fonctionnement piezo-ceramique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991012400A1 (fr) * 1990-02-14 1991-08-22 Bewator Ab Mecanisme d'accouplement
EP0995864A2 (fr) * 1998-10-20 2000-04-26 Günter Uhlmann Système de verrouillage électromécanique
WO2003100199A1 (fr) * 2002-05-27 2003-12-04 Mul-T-Lock Technologies Ltd. Verrou
DE10324690A1 (de) * 2002-06-10 2004-02-05 Mehmet Sancak Ferngesteuert freigebbarer Schließzylinder
WO2005001224A1 (fr) * 2003-06-23 2005-01-06 Buga Technologies Gmbh Barillet electromagnetique
WO2005093191A1 (fr) * 2004-03-26 2005-10-06 Pbt (Ip) Limited Embrayage radial a fonctionnement piezo-ceramique

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