EP0389728A2 - Dual bolt security lock actuated by electric motor - Google Patents

Dual bolt security lock actuated by electric motor Download PDF

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Publication number
EP0389728A2
EP0389728A2 EP89440009A EP89440009A EP0389728A2 EP 0389728 A2 EP0389728 A2 EP 0389728A2 EP 89440009 A EP89440009 A EP 89440009A EP 89440009 A EP89440009 A EP 89440009A EP 0389728 A2 EP0389728 A2 EP 0389728A2
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EP
European Patent Office
Prior art keywords
plate
bolt
secured
tail
key
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
EP89440009A
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German (de)
French (fr)
Other versions
EP0389728B1 (en
EP0389728A3 (en
Inventor
Gilles Bertaux
Eric Barge
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Deny
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Deny
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Publication date
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Priority to AT89440009T priority Critical patent/ATE89054T1/en
Priority to DE89440009T priority patent/DE68906379T4/en
Priority to ES198989440009T priority patent/ES2040492T3/en
Priority to EP89440009A priority patent/EP0389728B1/en
Priority to DE8989440009A priority patent/DE68906379D1/en
Publication of EP0389728A2 publication Critical patent/EP0389728A2/en
Publication of EP0389728A3 publication Critical patent/EP0389728A3/en
Application granted granted Critical
Publication of EP0389728B1 publication Critical patent/EP0389728B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B47/0001—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
    • 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
    • E05B2047/002—Geared transmissions
    • 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
    • E05B2047/0026—Clutches, couplings or braking arrangements

Definitions

  • the present invention relates to a high security lock with double bolt and electric motor.
  • Security locks most often have a double bolt, which increases their solidity and their resistance to attempted break-ins. It is obviously advantageous that these bolts are quite long, however their length is generally limited by the dimensions imposed on the lock and the space occupied by the drive member.
  • the motor member is controlled by any appropriate means capable of triggering its supply in electric current, the latter advantageously being a direct current of low voltage.
  • any appropriate means capable of triggering its supply in electric current, the latter advantageously being a direct current of low voltage.
  • the means most frequently used to trigger its start-up mention may be made of digital combination commands and electronic remote controls.
  • the present invention aims to provide a double bolt lock with an electric motor which does not have any of the above drawbacks.
  • the gearmotor used in the lock according to the invention is advantageously mounted on the tail bolt perpendicularly to the latter, so that its size is reduced to a minimum, the tail bolt preferably affecting the approximate shape of an extended L at the end of its base by a finger perpendicular to said base, so as to roughly form a U of which one of the branches would be partially cut.
  • the gearmotor is connected, by means of an electrical connection, to the current source which supplies it, while its other end is secured to a toothed pinion meshing with a rack fixed on the plate of the lock.
  • the gearmotor is integral with the movement of the bolt, its reduced size allowing a greater displacement of the latter which can correlatively have a length greater than that of the bolts of known locks, its length may be between 25 and 35 mm.
  • the lock gearmotor according to the invention is advantageously associated with a locking system consisting of a plate secured to its axis of rotation mounted outside the bolt tail, and having at one of its ends a cutout allowing it to come into abutment against a part secured to the lock plate and having an appropriate relief in the form of a stair step.
  • the bolt in the closed position, the bolt is blocked by the locking system, while during the opening operation, the engine's reverse reaction torque due to friction causes it to pivot around its axis in the opposite direction, unlocking the locking system by releasing the plate from the stop.
  • a return spring fixed to the end of this plate adjacent to the stop allows to quickly rebalance the reverse reaction torque, the motor then initiating its rotation and moving the mobile assembly by meshing the pinion which is secured to it on the fixed rack to the turntable.
  • the engine stops allowing the return spring to bring the locking plate back to the rest position.
  • the two bolts of the lock according to the invention are advantageously cylindrical and mounted to rotate on themselves so as to be insciable.
  • They are preferably made of a special steel and guided by bronze bearings, this material reducing the friction forces enough for their operation to employ a minimum electrical power, less than 2 Watts.
  • the optical end-of-travel sensor arranged near the bolt tail can take the form of a fork between the branches of which a part secured to the tail bolt can move, this piece being external to the fork as long as the bolts are retracted, that is to say in the open position, and moving as the bolts exit until reaching between the fork legs, the optical sensor then instantly triggers the interruption of the supply current and the short-circuiting of the gearmotor, causing the stop snapshot of the bolt.
  • This device has the advantage of allowing precise positioning of the bolt during closing, avoiding any mechanical shock in the lock.
  • the key entry barrel mounted on the lock can be any security barrel of known type, associated with a key the end of which is flattened and has an oblong shape corresponding to that of the orifice in the plate. drive positioned between the barrel and the plate, so that the rotation of the key causes that of said plate.
  • the mechanical drive plate of the tail bolt can be maintained by the two cylindrical seats thanks to any suitable system such as an interlocking system for each cylindrical seat with a flat ring extending the plate in the middle.
  • This drive plate can have approximately a rectangular shape, the pins being arranged in the middle and at the edge of each of its short sides, which are advantageously in the shape of an arc of a circle.
  • the drive plate is arranged below the finger which extends said tail bolt and which is driven by one of the lugs projecting above the plate.
  • a door position sensor can advantageously complete the lock according to the invention, consisting of a dry contact reed relay positioned in the lock opposite a magnet placed in the keeper: when the door arrives in the closed position, the position sensor, actuated by the magnetic field created by the magnet, immediately triggers the starting of the motor with a view to the automatic closing of the lock.
  • the lock has two bolts 1 and 1 'mounted free in rotation on a bolt tail 2 which supports a geared motor 3 extended to one of its ends by an axis 4 secured to a pinion 5 meshing on a rack 6 fixed on the plate 7 of the lock, which has four fixing holes 30.
  • the plate 7 is provided, on the side of the bolts 1-1 ′, with a flange 7 ′ on which are fixed two bearings 8 and 8 ′ for guiding the bolts 1-1 ′.
  • the geared motor 3 is supplied with electric current by means of an electric wire 27 connected to a connector 11 which ensures the electrical connection of the lock, the electric wires arriving through a through hole 12.
  • the tail bolt 2 is extended, on the side opposite the bolts, by a finger 13 under the end of which is positioned a drive plate 14 affecting the approximate shape of a rectangle whose short sides are rounded and bear in the vicinity from their border two lugs 16 and 16 ′.
  • the plate 14 is extended on its two faces by two rings 17 centered in the middle and allowing its maintenance by two cylindrical bearing surfaces, not shown, extending the key entry barrel 15, provided in its center with an opening 18 for the passing the key.
  • the key entry barrel 15 is secured to a plate 19 fixed by means of screws 20 to a plate 21 secured to the plate 7 by screws 22.
  • the bolt tail 2 is extended by a part 23 roughly affecting the shape of a U and which, in the closed position, is positioned between the two branches of an infrared optical sensor 24 which is used to stop the travel of the bolts 1-1 ′ during the electric opening operation of the lock, the entry of the part 23 into its optical field triggering, by means of appropriate electrical connections, the stopping of the geared motor 3 and its short-circuiting.
  • a door position sensor 25 makes it possible to trigger the closing mechanism of the lock when the door is facing the strike, thanks to a reed dry contact relay which is then in the magnetic field of a magnet positioned in the spoils.
  • the locking plate 9 ′ mounted on the axis of the motor between the bolt tail 2 and the pinion 5 comes, in the closed position, into abutment against a stop 9, the return spring ensuring its maintenance in the rest position during an opening maneuver.
  • the bolt tail 2 terminated by the finger 13, is positioned slightly above the drive plate 14 provided with two lugs 16 and 16 ′ ensuring the displacement of the tail bolt 2 during a key maneuver.
  • the plate 14 is held by two cylindrical bearing surfaces 27 and 28 each enclosing two rings 17 which extend it in the middle, the two bearing surfaces 27 and 28 extending at its lower part the key entry barrel 15 secured to the plate 19 than four screws 20 secured to a plate 21 itself secured by four screws 22 to the plate 7.
  • the unlocking of the lock 9 can be observed during an opening operation of the lock, this unlocking being carried out by the pivoting of the axis 4 of the motor in the opposite direction, due to the reaction torque reverse of the motor due to friction.
  • the key inserted into the key barrel 15 and maneuvered in rotation causes the plate 14 to rotate, the lug 16 driving the pin 13 of the bolt tail 2, as shown in FIG. 4b.
  • the key returns the plate 14 to its initial position and the bolts 1 and 1 ′ are returned, as can be seen in FIG. 4c.
  • the lug 16 is again in position for an opening operation, while the lug 16 ′ is in position for a closing operation.
  • the lock can then be operated either mechanically or electrically, which constitutes an appreciable advantage compared to known devices.

Abstract

Dual-bolt high-security lock with an electric motor, comprising in combination: a) a freely rotatable geared motor (3) fixed to the bolt shank (2) and secured by means of its axle (4) to a toothed pinion (5) meshing with a rack (6) fastened to the faceplate (7) of the lock; b) a key entry barrel (15) fixed to a plate (19) secured to the faceplate (7) by means of a plate (21) and extended in its lower part by two hollow cylindrical bearing surfaces (27) and (28) holding a driving plate (14) provided with an oblong central orifice for the passage of the end of the key and with two studs (16) and (16') positioned at its edge symmetrically in relation to its centre, one of these studs (16) being positioned in proximity to a finger (13) terminating the bolt shank (2), in such a way that the key rotating in the barrel (15) drives the plate (14) in rotation and the stud (16) in proximity to the finger (13) drives the latter, thus causing the displacement of the bolts (1-1'). <IMAGE>

Description

La présente invention a pour objet une serrure de haute sécurité à double pène et à moteur électrique.The present invention relates to a high security lock with double bolt and electric motor.

On connaît à ce jour plusieurs types de serrures électriques manoeuvrées par un organe moteur qui peut être soit un électro-aimant, soit un moteur électrique. Cet organe moteur entraîne généralement un système vis-écrou ou pignon-­crémaillère solidaire du pène, permettant le déplacement de ce dernier dans un sens ou dans l'autre.To date, there are known several types of electric locks operated by a motor member which can be either an electromagnet or an electric motor. This drive member generally drives a screw-nut or rack-and-pinion system integral with the bolt, allowing the latter to be displaced in one direction or the other.

Les serrures de sécurité comportent le plus souvent un pène double, qui permet d'accroître leur solidité et leur capacité de résistance aux tentatives d'effraction. Il est évidemment avantageux que ces pènes soient assez longs, toutefois leur longueur est généralement limitée par les dimensions imposées à la serrure et l'encombrement dû à l'organe moteur.Security locks most often have a double bolt, which increases their solidity and their resistance to attempted break-ins. It is obviously advantageous that these bolts are quite long, however their length is generally limited by the dimensions imposed on the lock and the space occupied by the drive member.

Dans les serrures électriques, d'autre part, l'organe moteur est commandé par tout moyen approprié susceptible de déclencher son alimentation en courant électrique, ce dernier étant avantageusement un courant continu de basse tension. Parmi les moyens le plus fréquemment mis en oeuvre pour déclencher sa mise en marche, on peut citer les commandes à combinaison numérique et les télécommandes électroniques.In electric locks, on the other hand, the motor member is controlled by any appropriate means capable of triggering its supply in electric current, the latter advantageously being a direct current of low voltage. Among the means most frequently used to trigger its start-up, mention may be made of digital combination commands and electronic remote controls.

Il est cependant important, dans certains cas, de pouvoir intervenir directement sur la serrure par une manoeuvre mécanique effectuée au moyen d'une clé, et divers dispositifs ont été proposés à ce jour dans ce but. Toutefois, les dispositifs connus, qu'ils consistent en un système extérieur à la serrure ou en un système qui lui soit intégré, présentent l'inconvénient majeur de nécessiter impérativement deux manoeuvres mécaniques successives en sens inverse pour permettre une manoeuvre électrique ultérieure. En d'autres termes, si la serrure est ouverte mécaniquement, elle ne peut être fermée électriquement, en sorte que son ouverture mécanique doit être suivie d'une manoeuvre également mécanique de fermeture, et vice versa.It is however important, in certain cases, to be able to intervene directly on the lock by a mechanical operation carried out by means of a key, and various devices have been proposed to date for this purpose. However, the known devices, whether they consist of a system external to the lock or of a system which is integrated into it, have the major drawback of imperatively requiring two successive mechanical operations in the opposite direction to allow subsequent electrical operation. In other words, if the lock is opened mechanically, it cannot be closed electrically, so that its mechanical opening must be followed by an also mechanical closing operation, and vice versa.

La présente invention a pour but de proposer une serrure à double pène et à moteur électrique qui ne présente aucun des inconvénients précités.The present invention aims to provide a double bolt lock with an electric motor which does not have any of the above drawbacks.

La présente invention a ainsi pour objet une serrure de sécurité à double pène et à moteur électrique qui présente le double avantage d'une part de comporter un double pène dont la longueur est sensiblement supérieure à celle des pènes des serrures de même type connues à ce jour, et d'autre part de pouvoir être manoeuvrée électriquement ou mécaniquement de telle manière qu'une manoeuvre électrique puisse succéder immédiatement à une manoeuvre mécanique, et vice versa, cette serrure se caractérisant essentiellement en ce qu'elle comporte en combinaison :

  • a) un motoréducteur libre en rotation solidarisé à la queue de pène et solidarisé à une de ses extrémités à un pignon denté engrenant une crémaillère solidarisée à la platine qui supporte l'ensemble ;
  • b) un canon d'entrée de clé solidarisé à ladite platine, et prolongé à sa partie inférieure par deux portées cylindriques creuses séparées par une plaque d'entraînement mécanique libre en rotation qu'elles supportent en son milieu, ladite plaque étant munie d'un orifice central oblong pour le passage de l'extrémité de la clé et de deux ergots excentrés positionnés à sa bordure, symétriquement par rapport à son centre, l'un de ces ergots étant positionné au voisinage d'un doigt terminant la queue de pène, de manière que la clé tournant dans le canon entraîne la plaque dans sa rotation et que l'ergot voisin du doigt terminant la queue de pène entraîne corrélativement le déplacement de ce dernier, provoquant l'ouverture ou la fermeture de la serrure ;
  • c) un capteur optique de fin de course disposé à proximité de la queue de pène, de manière à détecter la position optimum du pène choisie pour la fermeture de la serrure et à déclencher aussitôt la rupture de l'alimentation du moteur et sa mise en court-circuit, provoquant l'arrêt instantané du pène.
The present invention thus relates to a security lock with double bolt and an electric motor which has the double advantage on the one hand of having a double bolt whose length is substantially greater than that of the bolts of locks of the same type known in this art. day, and on the other hand to be able to be operated electrically or mechanically so that an electrical operation can immediately succeed to a mechanical operation, and vice versa, this lock being essentially characterized in that it comprises in combination:
  • a) a free rotating gearmotor secured to the tail bolt and secured at one of its ends to a toothed pinion meshing with a rack secured to the plate which supports the assembly;
  • b) a key entry barrel secured to said plate, and extended at its lower part by two hollow cylindrical bearings separated by a mechanical drive plate free in rotation which they support in its middle, said plate being provided with an oblong central orifice for the passage of the end of the key and of two eccentric lugs positioned at its edge, symmetrically with respect to its center, one of these lugs being positioned in the vicinity of a finger terminating the tail bolt , so that the key turning in the barrel drives the plate in its rotation and that the pin next to the finger terminating the bolt tail correlatively causes the displacement of the latter, causing the opening or closing of the lock;
  • c) an optical limit switch positioned near the tail bolt, so as to detect the optimum position of the bolt chosen for closing the lock and to immediately trigger the break in the supply of the motor and its setting in short circuit, causing the bolt to stop instantly.

Le motoréducteur mis en oeuvre dans la serrure selon l'invention est avantageusement monté sur la queue de pène perpendiculairement à ce dernier, de manière que son encombrement soit réduit au minimum, la queue de pène affectant de préférence la forme approximative d'un L prolongé à l'extrémité de sa base par un doigt perpendiculaire à ladite base, de manière à former grossièrement un U dont une des branches serait partiellement coupée.The gearmotor used in the lock according to the invention is advantageously mounted on the tail bolt perpendicularly to the latter, so that its size is reduced to a minimum, the tail bolt preferably affecting the approximate shape of an extended L at the end of its base by a finger perpendicular to said base, so as to roughly form a U of which one of the branches would be partially cut.

Par l'une de ses extrémités, le motoréducteur est relié, au moyen d'une connexion électrique, à la source de courant qui l'alimente, tandis que son autre extrémité est solidarisée à un pignon denté engrenant une crémaillère fixée sur la platine de la serrure.By one of its ends, the gearmotor is connected, by means of an electrical connection, to the current source which supplies it, while its other end is secured to a toothed pinion meshing with a rack fixed on the plate of the lock.

Compte tenu de son positionnement, le motoréducteur est solidaire du mouvement du pène, son encombrement réduit autorisant un déplacement plus important de ce dernier qui peut corrélativement présenter une longueur supérieure à celle des pènes des serrures connues, sa longueur pouvant être comprise entre 25 et 35 mm.Given its positioning, the gearmotor is integral with the movement of the bolt, its reduced size allowing a greater displacement of the latter which can correlatively have a length greater than that of the bolts of known locks, its length may be between 25 and 35 mm.

Le motoréducteur de la serrure selon l'invention est avantageusement associé à un système de condamnation constitué d'une plaque solidaire de son axe de rotation montée extérieurement à la queue de pène, et présentant à l'une de ses extrémités une découpe lui permettant de venir en butée contre une pièce solidarisée à la platine de la serrure et comportant un relief approprié en forme de marche d'escalier.The lock gearmotor according to the invention is advantageously associated with a locking system consisting of a plate secured to its axis of rotation mounted outside the bolt tail, and having at one of its ends a cutout allowing it to come into abutment against a part secured to the lock plate and having an appropriate relief in the form of a stair step.

Ainsi, en position de fermeture, le pène est bloqué par le système de condamnation, tandis que lors de la manoeuvre d'ouverture, le couple de réaction inverse du moteur du aux frottements le fait pivoter autour de son axe en sens inverse, débloquant le système de condamnation en dégageant la plaque de la butée.Thus, in the closed position, the bolt is blocked by the locking system, while during the opening operation, the engine's reverse reaction torque due to friction causes it to pivot around its axis in the opposite direction, unlocking the locking system by releasing the plate from the stop.

Un ressort de rappel fixé à l'extrémité de cette plaque voisine de la butée permet de rééquilibrer rapidement le couple de réaction inverse, le moteur entamant alors sa rotation et déplaçant l'ensemble mobile en engrénant le pignon qui lui est solidarisé sur la crémaillère fixée à la platine.A return spring fixed to the end of this plate adjacent to the stop allows to quickly rebalance the reverse reaction torque, the motor then initiating its rotation and moving the mobile assembly by meshing the pinion which is secured to it on the fixed rack to the turntable.

Arrivé en fin de course, l'arrêt du moteur permet au ressort de rappel de ramener la plaque de condamnation en position repos.At the end of the stroke, the engine stops allowing the return spring to bring the locking plate back to the rest position.

Les deux pènes de la serrure selon l'invention sont avantageusement cylindriques et montés tournants sur eux-mêmes de manière à être insciables.The two bolts of the lock according to the invention are advantageously cylindrical and mounted to rotate on themselves so as to be insciable.

Ils sont de préférence réalisés en un acier spécial et guidés par des paliers en bronze, ce matériau réduisant suffisamment les forces de frottement pour que leur manoeuvre mette en oeuvre une puissance électrique minimum, inférieure à 2 Watts.They are preferably made of a special steel and guided by bronze bearings, this material reducing the friction forces enough for their operation to employ a minimum electrical power, less than 2 Watts.

Le capteur optique de fin de course disposé à proximité de la queue de pène peut prendre la forme d'une fourche entre les branches de laquelle une pièce solidaire de la queue de pène peut se déplacer, cette pièce étant extérieure à la fourche tant que les pènes sont rentrés, c'est-à-dire en position d'ouverture, et
se déplaçant au fur et à mesure de la sortie des pènes jusqu'à arriver entre les branches de la fourche, le capteur optique déclenchant alors instantanément la coupure du courant d'alimentation et la mise en court-circuit du motoréducteur, provoquant l'arrêt instantané du pène.The optical end-of-travel sensor arranged near the bolt tail can take the form of a fork between the branches of which a part secured to the tail bolt can move, this piece being external to the fork as long as the bolts are retracted, that is to say in the open position, and
moving as the bolts exit until reaching between the fork legs, the optical sensor then instantly triggers the interruption of the supply current and the short-circuiting of the gearmotor, causing the stop snapshot of the bolt.

Ce dispositif présente l'avantage de permettre un positionnement précis du pène lors de la fermeture, évitant tout choc mécanique dans la serrure.This device has the advantage of allowing precise positioning of the bolt during closing, avoiding any mechanical shock in the lock.

Le canon d'entrée de clé monté sur la serrure peut être n'importe quel canon de sécurité de type connu, associé à une clé dont l'extrémité est applatie et présente une forme oblongue correspondant à celle de l'orifice ménagé dans la plaque d'entraînement positionnée entre le canon et la platine, de manière que la rotation de la clé entraîne celle de ladite plaque.The key entry barrel mounted on the lock can be any security barrel of known type, associated with a key the end of which is flattened and has an oblong shape corresponding to that of the orifice in the plate. drive positioned between the barrel and the plate, so that the rotation of the key causes that of said plate.

La plaque d'entraînement mécanique de la queue de pène peut être maintenue par les deux portées cylindriques grâce à tout système approprié tel qu'un système d'emboîtement de chaque portée cylindrique avec un anneau plat prolongeant la plaque en son milieu.The mechanical drive plate of the tail bolt can be maintained by the two cylindrical seats thanks to any suitable system such as an interlocking system for each cylindrical seat with a flat ring extending the plate in the middle.

Cette plaque d'entraînement peut affecter approximativement une forme rectangulaire, les ergots étant disposés au milieu et en bordure de chacun de ses petits côtés, qui sont avantageusement en forme d'arc de cercle.This drive plate can have approximately a rectangular shape, the pins being arranged in the middle and at the edge of each of its short sides, which are advantageously in the shape of an arc of a circle.

De manière à permettre le déplacement mécanique de la queue de pène, la plaque d'entraînement est disposée en-dessous du doigt qui prolonge ladite queue de pène et qui est entraîné par l'un des ergots faisant saillie au-dessus de la plaque.In order to allow mechanical movement of the tail bolt, the drive plate is arranged below the finger which extends said tail bolt and which is driven by one of the lugs projecting above the plate.

Un capteur de position de porte peut compléter avantageusement la serrure selon l'invention, étant constitué d'un relais reed à contact sec positionné dans la serrure en regard d'un aimant placé dans la gache : lorsque la porte arrive en position de fermeture, le capteur de position, actionné par le champ magnétique créé par l'aimant, déclenche aussitôt la mise en marche du moteur en vue de la fermeture automatique de la serrure.A door position sensor can advantageously complete the lock according to the invention, consisting of a dry contact reed relay positioned in the lock opposite a magnet placed in the keeper: when the door arrives in the closed position, the position sensor, actuated by the magnetic field created by the magnet, immediately triggers the starting of the motor with a view to the automatic closing of the lock.

La présente invention va être décrite plus en détail ci-après, en référence au dessin annexé qui en représente un mode de réalisation, étant bien entendu que cette description ne présente aucun caractère limitatif vis-à-vis de l'invention.The present invention will be described in more detail below, with reference to the accompanying drawing which represents an embodiment thereof, it being understood that this description has no limiting character with respect to the invention.

Dans le dessin annexé :

  • - la figure 1 représente une vue de face d'une serrure selon l'invention ;
  • - la figure 2 représente une vue de profil, côté crémaillère, de la même serrure ;
  • - les figures 3a, 3b, 3c et 3d représentent en vues schématiques, les déplacements de la queue de pène, du pignon et de la plaque de condamnation au cours d'une manoeuvre d'ouverture électrique ;
  • - les figures 4a, 4b et 4c représentent en vues schématiques les mouvements de la plaque d'entraînement mécanique et de la queue de pène au cours d'une manoeuvre d'ouverture à la clé.
In the attached drawing:
  • - Figure 1 shows a front view of a lock according to the invention;
  • - Figure 2 shows a side view, rack side, of the same lock;
  • - Figures 3a, 3b, 3c and 3d show in schematic views, the movements of the tail bolt, the pinion and the locking plate during an electrical opening operation;
  • - Figures 4a, 4b and 4c show in schematic views the movements of the mechanical drive plate and the tail bolt during an opening operation with the key.

Si on se réfère à ces figures, et d'abord à la figure 1, on voit que la serrure comporte deux pènes 1 et 1′ montés libres en rotation sur une queue de pène 2 qui supporte un motoréducteur 3 prolongé à l'une de ses extrémités par un axe 4 solidaire d'un pignon 5 engrenant sur une crémaillère 6 fixée sur la platine 7 de la serrure, laquelle comporte quatre orifices 30 de fixation.If we refer to these figures, and first to Figure 1, we see that the lock has two bolts 1 and 1 'mounted free in rotation on a bolt tail 2 which supports a geared motor 3 extended to one of its ends by an axis 4 secured to a pinion 5 meshing on a rack 6 fixed on the plate 7 of the lock, which has four fixing holes 30.

La platine 7 est munie, du côté des pènes 1-1′, d'un rebord 7′ sur lequel sont fixés deux paliers 8 et 8′ pour le guidage des pènes 1-1′.The plate 7 is provided, on the side of the bolts 1-1 ′, with a flange 7 ′ on which are fixed two bearings 8 and 8 ′ for guiding the bolts 1-1 ′.

Du côté de la crémaillère 6, entre le pignon 5 et le rebord de la queue de pène 2, se trouve une plaque de condamnation 9 associée à une butée 9′ , et comportant au voisinage de cette dernière un ressort de rappel 10.On the side of the rack 6, between the pinion 5 and the rim of the bolt tail 2, there is a locking plate 9 associated with a stop 9 ′, and comprising in the vicinity of the latter a return spring 10.

Le motoréducteur 3 est alimenté en courant électrique au moyen d'un fil électrique 27 relié à un connecteur 11 qui assure le raccordement électrique de la serrure, les fils électriques arrivant par un trou débouchant 12.The geared motor 3 is supplied with electric current by means of an electric wire 27 connected to a connector 11 which ensures the electrical connection of the lock, the electric wires arriving through a through hole 12.

La queue de pène 2 est prolongée, du côté opposé aux pènes, par un doigt 13 sous l'extrémité duquel se trouve positionnée une plaque d'entraînement 14 affectant la forme approximative d'un rectangle dont les petits côtés sont arrondis et portent au voisinage de leur bordure deux ergots 16 et 16′.The tail bolt 2 is extended, on the side opposite the bolts, by a finger 13 under the end of which is positioned a drive plate 14 affecting the approximate shape of a rectangle whose short sides are rounded and bear in the vicinity from their border two lugs 16 and 16 ′.

La plaque 14 est prolongée sur ses deux faces par deux anneaux 17 centrés en son milieu et permettant son maintien par deux portées cylindriques, non représentées, prolongeant le canon d'entrée de clé 15, muni en son centre d'une ouverture 18 pour le passage de la clé.The plate 14 is extended on its two faces by two rings 17 centered in the middle and allowing its maintenance by two cylindrical bearing surfaces, not shown, extending the key entry barrel 15, provided in its center with an opening 18 for the passing the key.

Le canon d'entrée de clé 15 est solidaire d'une plaque 19 fixée au moyen de vis 20 à une plaque 21 solidarisée à la platine 7 par des vis 22.The key entry barrel 15 is secured to a plate 19 fixed by means of screws 20 to a plate 21 secured to the plate 7 by screws 22.

Du côté opposé à la crémaillère, la queue de pène 2 est prolongée par une pièce 23 affectant grossièrement la forme d'un U et qui, en position de fermeture, se trouve positionnée entre les deux branches d'un capteur optique infra-rouge 24 qui sert à arrêter la course des pènes 1-1′ lors de la manoeuvre d'ouverture électrique de la serrure, l'entrée de la pièce 23 dans son champ optique déclenchant, par l'entremise de raccordements électriques appropriés, l'arrêt du motoréducteur 3 et sa mise en court-circuit.On the side opposite to the rack, the bolt tail 2 is extended by a part 23 roughly affecting the shape of a U and which, in the closed position, is positioned between the two branches of an infrared optical sensor 24 which is used to stop the travel of the bolts 1-1 ′ during the electric opening operation of the lock, the entry of the part 23 into its optical field triggering, by means of appropriate electrical connections, the stopping of the geared motor 3 and its short-circuiting.

Un capteur de position de porte 25 permet de déclencher le mécanisme de fermeture de la serrure lorsque la porte est en regard de la gache, grâce à un relais reed à contact sec qui se trouve alors dans le champ magnétique d'un aimant positionné dans la gâche.A door position sensor 25 makes it possible to trigger the closing mechanism of the lock when the door is facing the strike, thanks to a reed dry contact relay which is then in the magnetic field of a magnet positioned in the spoils.

Si l'on se réfère maintenant à la figure 2, on retrouve la platine 7 sur le rebord 7′ de laquelle se trouve fixé le palier 8 qui guide le déplacement du pène 1, solidarisé à la queue de pène 2 montée glissante sur des rails 26 et terminée par un doigt 13.If we now refer to Figure 2, we find the plate 7 on the flange 7 'which is fixed the bearing 8 which guides the movement of the bolt 1, secured to the bolt tail 2 slidably mounted on rails 26 and terminated by a finger 13.

La plaque de condamnation 9′ montée sur l'axe du moteur entre la queue de pène 2 et le pignon 5 vient, en position de fermeture, en butée contre une butée 9 , le ressort de rappel assurant son maintien en position de repos au cours d'une manoeuvre d'ouverture.The locking plate 9 ′ mounted on the axis of the motor between the bolt tail 2 and the pinion 5 comes, in the closed position, into abutment against a stop 9, the return spring ensuring its maintenance in the rest position during an opening maneuver.

A son extrémité située sous le canon d'entrée de clé 15, la queue de pène 2, terminée par le doigt 13, se trouve positionnée légèrement au-dessus de la plaque d'entraînement 14 munie des deux ergots 16 et 16′ assurant le déplacement de la queue de pène 2 lors d'une manoeuvre à la clé. La plaque 14 est maintenue par deux portées cylindriques 27 et 28 enserrant chacune deux anneaux 17 qui la prolongent en son milieu, les deux portées 27 et 28 prolongeant à sa partie inférieure le canon d'entrée de clé 15 solidarisé à la plaque 19 que quatre vis 20 solidarisent à une plaque 21 elle-même solidarisée par quatre vis 22 à la platine 7.At its end located under the key entry barrel 15, the bolt tail 2, terminated by the finger 13, is positioned slightly above the drive plate 14 provided with two lugs 16 and 16 ′ ensuring the displacement of the tail bolt 2 during a key maneuver. The plate 14 is held by two cylindrical bearing surfaces 27 and 28 each enclosing two rings 17 which extend it in the middle, the two bearing surfaces 27 and 28 extending at its lower part the key entry barrel 15 secured to the plate 19 than four screws 20 secured to a plate 21 itself secured by four screws 22 to the plate 7.

Si on se réfère maintenant aux figures 3a à 3d, on voit sur la figure 3a le pène 1 sorti, en position de fermeture, bloqué par la plaque de condamnation 9 et la butée 9′.If we now refer to Figures 3a to 3d, we see in Figure 3a the bolt 1 out, in the closed position, blocked by the locking plate 9 and the stop 9 '.

Sur la figure 3b, on peut observer le débloquage de la condamnation 9 lors d'une manoeuvre d'ouverture de la serrure, ce déblocage étant réalisé par le pivotement de l'axe 4 du moteur en sens inverse, en raison du couple de réaction inverse du moteur dû aux frottements.In FIG. 3b, the unlocking of the lock 9 can be observed during an opening operation of the lock, this unlocking being carried out by the pivoting of the axis 4 of the motor in the opposite direction, due to the reaction torque reverse of the motor due to friction.

Après équilibre entre le couple de réaction et le ressort de rappel 10, l'axe du moteur entame sa rotation comme représenté à la figure 3c, et en fin de course le ressort 10 ramène la plaque de condamnation 9 en position repos, comme représenté à la figure 3 d.After equilibrium between the reaction torque and the return spring 10, the axis of the motor begins its rotation as shown in FIG. 3c, and at the end of the race the spring 10 returns the locking plate 9 to the rest position, as shown in Figure 3 d.

Si on se réfère enfin aux figures 4a à 4c, on voit le mouvement d'entraînement mécanique des pènes dans une manoeuvre d'ouverture à la clé.If we finally refer to Figures 4a to 4c, we see the mechanical drive movement of the bolts in a maneuver key.

Sur la figure 4a, on voit la plaque 14 avec son ouverture centrale oblongue 29 et ses ergots 16 et 16′ en position de fermeture les pènes 1 et 1′ sortis.In Figure 4a, we see the plate 14 with its oblong central opening 29 and its pins 16 and 16 ′ in the closed position the bolts 1 and 1 ′ out.

La clé introduite dans le canon de clé 15 et manoeuvrée en rotation entraîne la rotation de la plaque 14, l'ergot 16 entraînant le doigt 13 de la queue de pène 2, comme représenté en figure 4b.The key inserted into the key barrel 15 and maneuvered in rotation causes the plate 14 to rotate, the lug 16 driving the pin 13 of the bolt tail 2, as shown in FIG. 4b.

En fin de manoeuvre, la clé ramène la plaque 14 à sa position initiale et les pènes 1 et 1′ sont rentrés, comme on peut le voir sur la figure 4c. L'ergot 16 est de nouveau en position pour une manoeuvre d'ouverture, tandis que l'ergot 16′ est en position pour une manoeuvre de fermeture.At the end of the maneuver, the key returns the plate 14 to its initial position and the bolts 1 and 1 ′ are returned, as can be seen in FIG. 4c. The lug 16 is again in position for an opening operation, while the lug 16 ′ is in position for a closing operation.

En fin de manoeuvre, la plaque 14 a opéré une rotation sur elle-même de 180° et les pènes 1 et 1′ sont rentrés, comme on peut le voir sur la figure 4c.At the end of the maneuver, the plate 14 has rotated on itself by 180 ° and the bolts 1 and 1 ′ have returned, as can be seen in FIG. 4c.

La serrure peut alors être manoeuvrée indifféremment mécaniquement ou électriquement, ce qui constitue un avantage appréciable par rapport aux dispositifs connus.The lock can then be operated either mechanically or electrically, which constitutes an appreciable advantage compared to known devices.

Il va de soi que la présente invention ne saurait être limitée au dispositif qui vient d'être décrit, et qui en représente un mode de réalisation susceptible de subir un certain nombre de modifications sans pour autant sortir du cadre de l'invention.It goes without saying that the present invention cannot be limited to the device which has just been described, and which represents an embodiment thereof capable of undergoing a certain number of modifications without departing from the scope of the invention.

Claims (4)

1. Serrure de haute sécurité à double pène et à moteur électrique, caractérisée en ce qu'elle comporte en combinaison: a) un motoréducteur (3) libre en rotation solidarisé à la queue de pène (2) et solidarisé par son axe (4) à un pignon denté (5) engrenant sur une crémaillère (6) fixée à la platine (7) de la serrure ; b) un canon d'entrée de clé (15) solidaire d'une plaque (19) solidarisée à la platine (7) par l'entremise d'une plaque (21) et prolongé, à sa partie inférieure, par deux portées cylindriques creuses (27) et (28) maintenant une plaque d'entraînement (14) munie d'un orifice central oblong pour le passage de l'extrémité de la clé, et de deux ergots (16) et (16′) positionnés à sa bordure, symétriquement par rapport à son centre, l'un de ces ergots (16) étant positionné au voisinage d'un doigt (13) terminant la queue de pène (2), de manière que la clé tournant dans le canon (15) entraîne la plaque (14) dans sa rotation et que l'ergot (16) voisin du doigt (13) entraîne ce dernier, provoquant le déplacement des pènes (1 - 1′). 1. High security lock with double bolt and electric motor, characterized in that it comprises in combination: a) a gearmotor (3) free in rotation secured to the tail bolt (2) and secured by its axis (4) to a toothed pinion (5) meshing on a rack (6) fixed to the plate (7) of the lock ; b) a key entry barrel (15) secured to a plate (19) secured to the plate (7) by means of a plate (21) and extended, at its lower part, by two cylindrical bearings hollow (27) and (28) holding a drive plate (14) provided with an oblong central hole for the passage of the end of the key, and two lugs (16) and (16 ′) positioned at its border, symmetrically with respect to its center, one of these pins (16) being positioned in the vicinity of a finger (13) terminating the bolt tail (2), so that the key turning in the barrel (15) drives the plate (14) in its rotation and that the lug (16) next to the finger (13) drives the latter, causing the displacement of the bolts (1 - 1 ′). 2. Serrure de haute sécurité selon la revendication 1, caractérisée en ce que le motoréducteur (3) est monté sur la queue de pène (2) perpendiculairement au double pène (1-1′) dont la tête peut présenter une longueur allant de 25 à 35 mm.2. High security lock according to claim 1, characterized in that the geared motor (3) is mounted on the bolt tail (2) perpendicular to the double bolt (1-1 ′) whose head can have a length ranging from 25 at 35 mm. 3. Serrure de haute sécurité selon la revendication 1, caractérisée en ce que le motoréducteur (3) est associé à un système de condamnation constitué d'une plaque de condamnation (9) solidaire de l'axe (4) du motoréducteur (3) et susceptible d'être bloquée, en position de fermeture, par une butée (9′) fixée à la platine (7) de la serrure.3. High security lock according to claim 1, characterized in that the geared motor (3) is associated with a locking system consisting of a locking plate (9) integral with the axis (4) of the geared motor (3) and capable of being blocked, in the closed position, by a stop (9 ′) fixed to the plate (7) of the lock. 4. Serrure de haute sécurité selon la revendication 1, caractérisée en ce qu'elle comporte en outre un capteur optique (24) de fin de course disposé à proximité d'une pièce (23) prolongeant la queue de pène (2) du côté opposé à la crémaillère (6), ce capteur optique (24) déclenchant l'arrêt du moteur (3) et donc du pène (1-1′) lorsque la pièce (23) entre dans son champ optique, permettant un positionnement optimum du pène (1-1′) en position de fermeture.4. High security lock according to claim 1, characterized in that it further comprises an optical sensor (24) limit switch arranged near a part (23) extending the tail bolt (2) on the side opposite the rack (6), this optical sensor (24) triggering the stopping of the engine (3) and therefore of the bolt (1-1 ′) when the part (23) enters its optical field, allowing optimum positioning of the bolt (1-1 ′) in the closed position.
EP89440009A 1989-02-07 1989-02-07 Dual bolt security lock actuated by electric motor Expired - Lifetime EP0389728B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT89440009T ATE89054T1 (en) 1989-02-07 1989-02-07 ELECTRIC MOTOR-DRIVEN SECURITY LOCK WITH DOUBLE BOLT.
DE89440009T DE68906379T4 (en) 1989-02-07 1989-02-07 Electric lock with double bolt.
ES198989440009T ES2040492T3 (en) 1989-02-07 1989-02-07 HIGH SECURITY LOCK WITH DOUBLE LATCH AND ELECTRIC MOTOR.
EP89440009A EP0389728B1 (en) 1989-02-07 1989-02-07 Dual bolt security lock actuated by electric motor
DE8989440009A DE68906379D1 (en) 1989-02-07 1989-02-07 ELECTRICALLY DRIVEN SECURITY LOCK WITH DOUBLE LATCH.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89440009A EP0389728B1 (en) 1989-02-07 1989-02-07 Dual bolt security lock actuated by electric motor

Publications (3)

Publication Number Publication Date
EP0389728A2 true EP0389728A2 (en) 1990-10-03
EP0389728A3 EP0389728A3 (en) 1990-11-22
EP0389728B1 EP0389728B1 (en) 1993-05-05

Family

ID=8203027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89440009A Expired - Lifetime EP0389728B1 (en) 1989-02-07 1989-02-07 Dual bolt security lock actuated by electric motor

Country Status (4)

Country Link
EP (1) EP0389728B1 (en)
AT (1) ATE89054T1 (en)
DE (2) DE68906379D1 (en)
ES (1) ES2040492T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452282A2 (en) * 1990-04-13 1991-10-16 SO.GE.MI.- S.p.A. Mechanism designed to ensure that actuators for automatically locking and unlocking automobile doors have no load at the end of their movement run
US5214946A (en) * 1988-07-11 1993-06-01 Antonello Luis M Multi-controlled security lock
US6250119B1 (en) * 1997-01-08 2001-06-26 Michel Flon Mortise lock

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2322111B1 (en) * 2006-06-14 2010-04-06 Maria Angeles Gonzalez Fernandez HIGH SECURITY LOCK.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3620799A1 (en) * 1985-08-12 1987-02-19 Bauer Kaba Ag Multi-function mortise lock
US4799719A (en) * 1987-06-18 1989-01-24 George Wood Motor operated lock

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3620799A1 (en) * 1985-08-12 1987-02-19 Bauer Kaba Ag Multi-function mortise lock
US4799719A (en) * 1987-06-18 1989-01-24 George Wood Motor operated lock

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5214946A (en) * 1988-07-11 1993-06-01 Antonello Luis M Multi-controlled security lock
EP0452282A2 (en) * 1990-04-13 1991-10-16 SO.GE.MI.- S.p.A. Mechanism designed to ensure that actuators for automatically locking and unlocking automobile doors have no load at the end of their movement run
EP0452282A3 (en) * 1990-04-13 1991-12-04 So.Ge.Mi.- S.P.A. Mechanism designed to ensure that actuators for automatically locking and unlocking automobile doors have no load at the end of their movement run
US6250119B1 (en) * 1997-01-08 2001-06-26 Michel Flon Mortise lock

Also Published As

Publication number Publication date
EP0389728B1 (en) 1993-05-05
DE68906379T2 (en) 1993-08-12
DE68906379D1 (en) 1993-06-09
ES2040492T3 (en) 1993-10-16
DE68906379T4 (en) 1994-02-10
ATE89054T1 (en) 1993-05-15
EP0389728A3 (en) 1990-11-22

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