EP1381744A2 - Cylindre de blocage - Google Patents

Cylindre de blocage

Info

Publication number
EP1381744A2
EP1381744A2 EP02766569A EP02766569A EP1381744A2 EP 1381744 A2 EP1381744 A2 EP 1381744A2 EP 02766569 A EP02766569 A EP 02766569A EP 02766569 A EP02766569 A EP 02766569A EP 1381744 A2 EP1381744 A2 EP 1381744A2
Authority
EP
European Patent Office
Prior art keywords
crank pin
bolt
stop
crank
guide slot
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02766569A
Other languages
German (de)
English (en)
Other versions
EP1381744B1 (fr
Inventor
Heinz Luef
Markus Kornhofer
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.)
Kaba GmbH Austria
Original Assignee
Kaba Gege 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 Kaba Gege GmbH filed Critical Kaba Gege GmbH
Priority to AT02766569T priority Critical patent/ATE288529T1/de
Publication of EP1381744A2 publication Critical patent/EP1381744A2/fr
Application granted granted Critical
Publication of EP1381744B1 publication Critical patent/EP1381744B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly 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
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/0024—Cams
    • E05B2047/0025—Cams in the form of grooves
    • 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
    • E05B2047/0093—Operating or controlling locks or other fastening devices by electric or magnetic means including means for preventing manipulation by external shocks, blows or the like
    • 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
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors

Definitions

  • the invention relates to a locking cylinder with at least one cylinder core mounted in a housing and with an electromechanical locking mechanism in the form of a bolt which can be inserted and withdrawn from the housing in the cylinder core and which is kinematically connected to an electric motor via an eccentric drive, one on the shaft of the electric motor eccentrically arranged crank pin is provided and the stroke of the eccentric drive corresponds to the bolt displacement.
  • a locking cylinder with a mechanical and an electromechanical locking mechanism controlled by electronics is known.
  • the mechanical locking mechanism comprises core and housing pins, which are moved by a key through corresponding recesses on the flat side so that the contact surfaces of the core and housing pins lie in the outer surface of the cylinder core, so that the cylinder core is rotated and thus the locking cylinder is locked can be.
  • the electro-mechanical lock receives its commands via a code comparison circuit that controls an electric motor. This turns an eccentric that raises and lowers a bolt over a linkage. The bolt can block the rotation of the cylinder core.
  • electromagnets with a bistable position fixing of a magnetic core which is designed as a bolt and which can be inserted or withdrawn from the housing in the cylinder core.
  • the invention is based on a locking with an electric motor that controls the bolt via an eccentric, and aims to simplify the arrangement and thus increase operational safety.
  • the locking position of the bolt should be secured in such a way that vibrations, which are deliberately caused, for example, do not lead to the bolt even retracting for a short time.
  • This is achieved in that the turning circle of the crank pin is stop-limited and the stop corresponding to the locking position of the bolt is provided in an over-center position of the turning circle of the crank pin which exceeds the maximum stroke.
  • the electric motor therefore does not have to be designed as a stepper motor and no electronic device is required in order to switch off the electric motor in the end positions when the bolt is pushed out and drawn in.
  • crank pin engages in a guide slot at the shaft end of the latch and the guide slot is oriented transversely to the direction of displacement of the latch and has a length which limits the angle of rotation of the crank pin, one end of the guide slot forms the stop for limiting the angle of rotation.
  • the electric motor could rotate endlessly and the bolt would constantly Carry out up and down movement corresponding to a piston in a cylinder of an engine.
  • the length of the guide slot above the turning circle of the crank pin is restricted, this has the effect of a stop which only allows a rotation of the extent, for example a three-quarter circle.
  • the end points lie over half the turning circle, which corresponds to the maximum stroke between the unlocked and locked position, and ensure stable end positions in this over-center position.
  • the locking position can be further stabilized by a spring, for example a leaf spring, which is tensioned in the position of the maximum stroke and presses the crank pin into the over-center position.
  • a spring for example a leaf spring
  • magnetic forces for example of a permanent magnet
  • the end of the guide slot should be at least at a distance from the crank pin diameter above the axis defined above in order to ensure the over-center position to a sufficient extent and still prevent it from spinning through a full 360 °.
  • the electric motor is activated, for example, by reversing the polarity of the supply voltage in a clockwise or counterclockwise direction.
  • the crank pin then strikes the end of the guide slot once in a position slightly beyond the maximum stroke (locking position) or beyond the minimum stroke (unlocking position).
  • Electric motors of the type required here are particularly small, since they are usually accommodated in the interior of the cylinder housing, for example in an axial bore thereof. Such engines have only one Low torque, which may not be sufficient to carry out a stroke under load from standstill when switching on.
  • a limited exemption is provided for the power transmission between the electric motor and the crank pin. The exemption enables a swing to be taken before loading the electric motor.
  • it is expedient if, with the eccentrically arranged crank pin, for exemption between the shaft of the electric motor and a crank disk
  • Shaft non-rotatably connected driver with a radially projecting nose is provided which, depending on the direction of rotation of the electric motor, engages on one or the other side of an eccentric stop on the crank disk or on the crank pin and, when the direction of rotation changes, after an empty starting rotation of e.g. 150 ° takes the eccentrically mounted crank pin.
  • An advantageous embodiment is characterized in that the crank disk has a coaxial cylindrical recess into which a cylindrical bearing part of the driver engages and that the stop is provided in the rotating circle of the driver's nose, in particular at the end of the cylindrical body opposite the crank pin.
  • crank pin engages in a guide slot of the eccentric drive, which increases in width in the region of the locking position of the bolt for the limited release position of the bolt and the bolt in the case of the crank pin in the over-dead center position, the crank pin can be pushed forward in the locking direction within the scope of the release.
  • Such retroactive shocks would be, for example, vibrations from intrusion tools that are inserted into the locking cylinder.
  • the release of the crank pin in the guide slot in the locking position is equal to or greater than the distance between a bolt-side stop and a housing-side stop for the maximum stroke of the eccentric drive. The release of the crank pin prevents it from being taken along by the bolt and a subsequent, undesirable shifting into the release position.
  • the stop for the crank pin in an over-center position which exceeds the maximum stroke of the eccentric drive is designed as a projection in a crankcase at least partially surrounding the eccentric drive. This stop can also be achieved by the end of a guide slot that is shorter than the turning circle diameter for the crank pin.
  • FIG. 1 shows a double locking cylinder partially in longitudinal section
  • Fig. 2 shows a perspective view of the electromechanical locking mechanism as a detail
  • Fig. 3 shows an end view of the locking mechanism according to Fig. 2 with the detent spring moved to the side
  • Fig. 4 shows an exploded view of a release structure between the electric motor and the eccentric drive 5 shows an alternative embodiment to FIG. 4,
  • FIG. 6 shows a cross section through a crankcase and
  • FIG. 7 shows a further cross section of the crankcase outside the bolt.
  • cylinder housing 1 includes a cylinder housing 1, in which the cylinder cores 2 and 3 are rotatably mounted.
  • a mechanical key-operated locking mechanism by means of core and housing pins is indicated by the dash-dotted lines 4.
  • an electric motor 5 which can be fed in a direction of rotation which is variable in the direction of rotation is provided in the cylinder housing 1 via a controller (not shown) (for example with code comparison).
  • a crank pulley 6 On the shaft of the electric motor 5, a crank pulley 6 is arranged, which belzapfen an eccentrically positioned to the shaft 7 carries ⁇ cure. This engages in a guide slot 9 arranged transversely on the shaft of a bolt 8.
  • the bolt 8 is guided linearly in the cylinder housing 1 and is conically widened at its head and engages with this head in a blind bore 10 in the cylinder core 2.
  • the cylinder core can 2 therefore not be rotated.
  • the electromechanical locking mechanism or the eccentric drive alone is shown with the bolt 8 in the raised position (locking position according to FIG. 1).
  • the crank pin 7 rests on the right end of the guide slot 9. A further rotation by the electric motor 5 is not possible.
  • FIG. 3 shows the end view of FIG. 2.
  • the crank pin 7 describes a circular arc 11 as it is drawn out below the crank mechanism.
  • crank pin 7 runs through the circular arc 11 up to the lower end position shown with broken lines to the stop, which is again formed by the right end of the guide slot 9.
  • the guide slot 9 is at least so long that the crank pin 7 can describe the circular arc 11 between the two end positions, depending on the controlled direction of rotation of the electric motor 5 (counterclockwise, clockwise).
  • the length of the horizontal guide slot 9 is from the vertical central axis which is the The axis of rotation of the electric motor 5 passes through, to the stop (ie towards the right end) smaller than the radius of the enveloping circle 12 enveloping the crank pin 7 and to the left at least as large as this radius (see FIG. 3).
  • the total length of the guide slot 9 is smaller than the diameter of the enveloping circle 12.
  • the guide slot 9 lies transversely to the direction of displacement of the bolt 8 and eccentrically to the axis of rotation of the electric motor 5, so that the stop is defined by one (right) end of the guide slide. zes 9 results.
  • Fig. 3 the stroke H between the locking position of the bolt 8 shown with solid lines and the dashed release position is indicated by arrows.
  • the end positions of the bolt 8, which are determined by the rotation-limiting abutment of the crank pin 7 at the right end (“stop”) of the guide slot 9, are reached after the top and bottom dead centers of the turning circle 11 have been exceeded. This results in a stable position for the locking position, since when pressure is exerted on the bolt, with the intention of pushing the bolt 8 back, the pressure on the stop in the guide slot 9 is increased, but the eccentric drive reverses from the over-center position according to FIG. 3 cannot be reached.
  • the electric motor 5 can remain switched on in order to apply a holding torque or, for example, it can be snapped into place by a spring catch in the two end positions (locking, release).
  • a spring catch in the two end positions (locking, release).
  • An example of such a spring 13 is shown on the left in FIG. 3.
  • a driver 14 with a radially projecting nose 15 is fixedly connected to the motor shaft of the electric motor 5.
  • the driver 14 designed as a cylindrical bearing part engages in a bore 16 of the crank disk 17, which is plugged onto the bearing part in a cap-like and rotatable manner.
  • the crank pin 18 engages in the guide slot 9 of the bolt 8.
  • An axially projecting stop 19 is arranged on the crank disk 17 on the circular ring surface facing away from the crank pin 18, which lies in the turning circle of the nose 15 of the driver 14.
  • the electric motor 5 is actuated in the opposite direction, the driver 14 rotates with its nose 15 away from the stop 19. After about half a turn nose 15 and stop 19 then run against each other with the counter surfaces. After a load-free turn of about 180 °, the eccentric drive is taken along and the electromechanical locking mechanism is switched to the other end position (locking, release).
  • FIG. 5 shows an alternative to FIG. 4, in which a driver 24 engages centrally through the crank disk 27 and bears against the crank pin 28 with a lug 25.
  • Crank pin 28 has a double function here. It replaces the stop 19 (FIG. 4) in addition to the drive function in the guide slot 9. In the embodiment according to FIG. 5, a load-free starting and pulling of the electric motor 5 is made possible before each stroke.
  • Fig. 6 shows a further embodiment of the lock, which has the aim of securing the locking position even in the event of specifically induced or randomly occurring vibrations or shocks.
  • the design ensures that a reaction of the bolt on the crank pin 7 and thus an undesired turning back of the crank mechanism from the locking position over the top dead center of the crank mechanism into the release position is prevented becomes.
  • a stop (projection 23) for the crank pin 7 is provided in a crankcase 22, which limits the rotation of the eccentric drive in the over-center position, which corresponds to the locking position of the bolt 8.
  • the stop or projection 23 the bolt 8 cannot be moved in the direction D as shown in FIGS. 6, 7.
  • the crank pin 7 rests against this stop or projection 23 in the locked position of the bolt 8.
  • the guide slot 9 has an enlarged width in the region of the crank pin 7 positioned in the locked position. This oversize is designated A in FIG. 6.
  • the latch 8 itself can only move upwards in the crankcase 22 by the dimension B (direction C), because a shoulder 20 of the latch 8 then lies against the surface 21 of the crankcase 22. If the bolt 8 is set in motion due to a mass due to shrinkage or shocks, then the amplitude of its movements is limited by dimension B. Since the dimension A is larger than the dimension B, the bolt 8 cannot reach the crank pin 7 in its guide slot 9 and therefore the bolt 8 cannot lift the crank pin 7 above the top dead center and thus cannot rotate into the release position.
  • the dimension B is the same or at most somewhat larger than the stroke of the Bolt 8 from the stable locking position to the top dead center of the crank mechanism (stroke of the bolt 8 when the crank pin 7 is turned from the locking position according to FIGS. 6 and 7 to the top dead center position).
  • the stroke limitation of the bolt 8 in the locked position is shown by a projection 23 fixed to the housing as a stop for the crank pin 7 moving along the rotating circle. Analogously to FIG. 3, this stop can also be achieved by shortening the guide groove 9 for the crank pin 7.
  • the guide groove 9 is on the over dead center position of the crank pin 7 with respect to the radius of the Shortened turning circle, so that the crank pin 7 can not rotate through 360 °.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Lock And Its Accessories (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

L'invention concerne un cylindre de blocage comprenant au moins un corps de cylindre (2, 3) monté dans un bâti (1) et présentant des moyens de blocage électromécaniques comportant un moteur électrique (5) qui, via une commande à excentrique, actionne un verrou (8) de manière à le déplacer à l'intérieur, ou à l'extérieur d'une cavité (10) ménagée dans le corps (2, 3) du cylindre. A cet effet, un maneton (7) monté excentrique sur un disque de manivelle (6) s'engrène dans une rainure de guidage (9) à l'extrémité de la tige du verrou (8). Le moteur électrique (5) peut être commandé suivant un sens de rotation donné, le cercle de rotation (11) du maneton (7) étant limité par une butée. Cette limitation de rotation du maneton (7) s'effectue en position point mort dépassé de la commande de la manivelle ou de l'excentrique, de telle façon que le verrou (8) soit stabilisé en position de blocage et puisse résister à une pression en retour. En outre, il peut être prévu une position de libération du moteur électrique (5) en régime de démarrage avant chaque phase de course ou de commutation.
EP02766569A 2001-04-26 2002-04-23 Cylindre de blocage Expired - Lifetime EP1381744B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT02766569T ATE288529T1 (de) 2001-04-26 2002-04-23 Schliesszylinder

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AT3282001 2001-04-26
AT3282001 2001-04-26
AT8432001 2001-05-29
AT0084301U AT5574U1 (de) 2001-04-26 2001-10-31 Schliesszylinder
PCT/AT2002/000121 WO2002088492A2 (fr) 2001-04-26 2002-04-23 Cylindre de blocage

Publications (2)

Publication Number Publication Date
EP1381744A2 true EP1381744A2 (fr) 2004-01-21
EP1381744B1 EP1381744B1 (fr) 2005-02-02

Family

ID=25592333

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02766569A Expired - Lifetime EP1381744B1 (fr) 2001-04-26 2002-04-23 Cylindre de blocage

Country Status (6)

Country Link
EP (1) EP1381744B1 (fr)
AT (1) AT5574U1 (fr)
AU (1) AU2002338539A1 (fr)
DE (1) DE50202174D1 (fr)
ES (1) ES2236576T3 (fr)
WO (1) WO2002088492A2 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL149876A (en) * 2002-05-27 2009-09-22 Mul T Lock Technologies Ltd Lock
FI112691B (fi) * 2002-12-05 2003-12-31 Abloy Oy Järjestely sähkömekaanisessa sylinterilukossa
FR2849083B1 (fr) * 2002-12-20 2005-02-25 Vachette Sa Serrure securisee a deverrouillage mecanique et electrique
DE10328297A1 (de) * 2003-06-23 2005-01-20 Buga Technologies Gmbh Elektromechanischer Schließzylinder
FR2860259B1 (fr) * 2003-09-25 2007-02-23 Deny Fontaine Sas Cylindre ou serrure a controle electromecanique
EP1736620A1 (fr) * 2005-06-24 2006-12-27 BUGA Technologies GmbH Serrure cylindrique avec arbre de bouton bloqué
EP1739631B1 (fr) 2005-06-24 2012-10-24 Assa Abloy Ab Serrure cylindrique modulaire
DE102005041269A1 (de) * 2005-08-31 2007-03-01 ABUS August Bremicker Söhne KG Schloss
US7845202B2 (en) 2006-09-22 2010-12-07 Assa Abloy Ab Interchangeable electromechanical lock core
CN103899157A (zh) * 2011-06-02 2014-07-02 湖北盛佳电器设备有限公司 电子锁装置以及具有电子锁装置的箱体结构
EP2813647B1 (fr) * 2013-06-11 2019-03-13 iLOQ Oy Serrure électromécanique
RU2710682C1 (ru) * 2019-08-30 2020-01-09 Камиль Фаизович Габшакуров Электромеханический замок
EP4191004B1 (fr) * 2021-12-03 2024-05-15 dormakaba Schweiz AG Dispositif d'arrêt pour un élément de fermeture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES422134A1 (es) * 1973-02-28 1976-04-01 Des Brevets Neiman S A Soc D E Antirrobo con cerradurade cilindro, especialmente cerradurade direcion para vehiculos automoviles.
DE2801531C2 (de) * 1978-01-14 1983-06-23 Rudolf 6000 Frankfurt Eichenauer Lenkschloß für Kraftfahrzeuge
DE4339042C1 (de) * 1993-11-16 1994-12-08 Wilke Heinrich Hewi Gmbh Vorrichtung zur Befestigung eines Bauteils an einem Verbindungsstift
ES2106668B1 (es) * 1994-11-18 1998-06-01 Azbe B Zubia S A Perfeccionamientos introducidos en cilindros de cierre electronicomecanico.
DE19912321C1 (de) * 1999-03-19 2000-12-14 Huf Huelsbeck & Fuerst Gmbh Verschlussvorrichtung, insbesondere für Schließfunktionen am Heck eines Fahrzeugs

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02088492A2 *

Also Published As

Publication number Publication date
WO2002088492A3 (fr) 2002-12-27
AT5574U1 (de) 2002-08-26
EP1381744B1 (fr) 2005-02-02
ES2236576T3 (es) 2005-07-16
DE50202174D1 (de) 2005-03-10
AU2002338539A1 (en) 2002-11-11
WO2002088492A2 (fr) 2002-11-07

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