EP1845054B1 - Device for locking a positive safety lock, in particular for an elevator door, and lock comprising same - Google Patents

Device for locking a positive safety lock, in particular for an elevator door, and lock comprising same Download PDF

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Publication number
EP1845054B1
EP1845054B1 EP20070007312 EP07007312A EP1845054B1 EP 1845054 B1 EP1845054 B1 EP 1845054B1 EP 20070007312 EP20070007312 EP 20070007312 EP 07007312 A EP07007312 A EP 07007312A EP 1845054 B1 EP1845054 B1 EP 1845054B1
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EP
European Patent Office
Prior art keywords
head
rod
bolt
lock
locking
Prior art date
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Application number
EP20070007312
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German (de)
French (fr)
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EP1845054A1 (en
Inventor
Philippe Lassiaz
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PRUDHOMME SA
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Prudhomme SA
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Publication of EP1845054A1 publication Critical patent/EP1845054A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/04—Door or gate operation of swinging doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
    • B66B13/20—Lock mechanisms actuated mechanically by abutments or projections on the cages
    • 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
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • 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
    • E05B47/0607—Controlling mechanically-operated bolts by electro-magnetically-operated detents the detent moving pivotally or rotatively
    • 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
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable

Definitions

  • the present invention relates to a positive-security lock, in particular for an elevator landing door, and more particularly to a locking device incorporated therein.
  • landing door locks are an essential element of user safety, since they are intended to prevent the opening of a landing door when a cabin is not facing the door. it.
  • these locks provide the central control system of the elevator or elevator logical safety signals to prohibit any maneuvering the cabin when the landing door is open or closed.
  • a positive security lock according to the preamble of claim 1 is already known from FR-A-2769609 .
  • Positive safety locks comprising, within a housing, capable of being fixed to the frame of a landing door, a locking bolt of the door capable of cooperating with a fixed striker integral with the door leaf of the door. door, an operating arm disposed on the housing, so as to be operable on the front or side plane, by a fixed or movable cam and one or more bolt electrical contacts.
  • a lock comprising a device for positive locking of the bolt having a dual function.
  • the present invention also relates to the features which will emerge during the following description, which should be considered in isolation or in all their possible technical combinations.
  • the lock 1 is intended to be fixed in a housing 2 formed in the amount of a frame 3 of a landing door 4 (see figure 1 ).
  • the figure 1 has a housing 5; an adjustable bolt 6 provided for engaging in a locking piece 7 integral with the leaf of the landing door 4 and provided with a fixed firing pin 8; and an operating arm 9 provided with a contact roller 10.
  • the lock 1 is also connected by electrical connection means (not shown) to control equipment of the elevator.
  • the lock 1 is designed to allow easy adjustment of the lateral position or attack of the bolt 6 according to the effective distance x between the leaf 4 and the frame 3, after fixing the lock 1 within the location 2, for example on the inner wall of the amount of the frame 3.
  • FIGS. 2A to 2C Three typical situations encountered in the use of a lock 1 will now be described with reference to the FIGS. 2A to 2C .
  • a first situation corresponds to a locking of the leaf of the landing door 4 while the cabin is not vis-à-vis this door.
  • the adjustable bolt 6 is fully engaged in the locking piece 7A and the landing door 4 thus ensuring the locking of the door, while the operating arm 9 is at rest.
  • the electrical contact of the lock 1 is then in a logical state "1" corresponding to a permission to start the current of the elevator.
  • a cabin 11 has just arrived and come to rest vis-à-vis the leaf of the landing door 4.
  • a control member 12 causes the displacement of a movable pad 13 secured to the cabin 11, which returns to contact with the roller 10 of the operating arm 9 and which, by exerting a thrust on the roller, causes a rotational movement of the axis of said arm 9.
  • This rotational movement has the effect of moving the bolt 6 inwards lock 1 and thus release the landing door 4, and open the electric switch with the consequence of inhibiting any movement of the elevator.
  • the control member 12 causes the withdrawal of the mobile shoe 13 and thus a reverse rotation movement of the operating arm 9. This has the effect on the one hand to release the bolt 6 to the outside of the lock 1 until it is engaged in the locking piece 7 of the leaf of the landing door 4, and secondly, to replace the electric switch of the lock 1 in a state "1" authorizing the drive control of the elevator.
  • the lock 1, comprises within the housing 5 the adjustable bolt 6 movable inside a guide bearing and extended at its inner end by a sliding member connected by articulation to the foot of a connecting rod 15.
  • the bolt 6 is constituted by a sliding cylindrical piece comprising along its entire length a central bore adapted to receive a movable core 14 slidable in the bolt 6.
  • the rod 15, actuatable angularly, is integral with a rotary shaft 16 passing through the housing 5 and is capable of to be controlled from the outside by an emergency release key, which rod is connected to the bolt 6 to move it between two positions, that of locking and unlocking, relative to the door 4.
  • the head 17 rod 15 comprises a housing adapted to receive an end of a spring 20 disposed between the head 17 of the rod 15 and a housing formed in a rocker arm to receive the other end spring tee 20 disposed around a guide bar 19.
  • the lock 1 comprises means 21 for temporarily locking the connecting rod head 15 by direct action on it, for a locking position of the bolt 6, so as to prohibit any malicious action of unlocking by acting on the axis 16 of the connecting rod 15 by means of a key or by direct action on the external actuating arm 9.
  • the means 21 for temporary condemnation in rotation of the connecting rod head 17 are constituted by a stop 22 made in relief or recess, on the outer periphery of said head 17 and capable of cooperating with a movable stop finger 23 in translation, secured to a ferromagnetic core 24 of an electromagnet 25 fixedly disposed near the head 17 and whose electrical power, performed on demand, ensures the extraction of the core 24 where the stop finger 23, to cooperate in immobilization with the stop 22 of the head 17, for a locking in rotation thereof, in a locking position of the bolt 6 and whose power off of the coil 25 allows an internal spring to ensure the recall of its core 24 from which the stop finger 23 and consequently the release of the head 17 connecting rod 15 to allow the actuation of the bolt 6 unlocked by it.
  • the means 21 for temporary locking in rotation of the connecting rod head 17 are constituted by a stop 22 made in relief or in recess, on the outer periphery of said head 17 and capable of cooperating with each other.
  • a stop finger 23 movable in translation, integral with a ferromagnetic core 24 of an electromagnet 25 fixedly disposed near the head 17 and whose power off, performed on demand, allows a spring internal to ensure the extraction of the core 24 from which the stop finger 23, to cooperate in immobilization with the stop 22 of the head 17, for a locking in rotation thereof, in a locking position of the bolt 6 and the electrical power of the coil 25 ensures the return of its core 24 where the stop finger 23 and consequently the release of the head 17 of rod 15 to allow the actuation of the bolt 6 unlocked by it.
  • the abutment 22 of rod 15 is constituted by a spoiler directed downwards, disposed centrally on the head 17 and in that the stop finger 23, secured to the movable core 24 in translation of the coil 25, has a end beveled upwardly, to provide firstly a stable support plane to the stop spindle-shaped 22 of the cone head 17 and secondly to allow automatic reset of the locking means during 'a power outage.
  • the stop finger 23, secured to the movable core 24 in translation of the coil 25, has a beveled end directed upwards, to provide a stable support plane to the abutment 22 in the form of a spoiler of the conrod head 17 15.

Description

La présente invention concerne une serrure à sécurité positive, notamment pour porte palière d'appareil élévateur, et plus particulièrement un dispositif de condamnation qui lui est incorporé.The present invention relates to a positive-security lock, in particular for an elevator landing door, and more particularly to a locking device incorporated therein.

Dans une installation d'élévateur ou d'ascenseur, les serrures de porte palière constituent un élément essentiel de la sécurité des utilisateurs, puisqu'elles visent à empêcher toute ouverture d'une porte palière lorsqu'une cabine ne se trouve pas en face de celle-ci.In a lift or elevator installation, landing door locks are an essential element of user safety, since they are intended to prevent the opening of a landing door when a cabin is not facing the door. it.

En outre, ces serrures fournissent au système central de commande de l'élévateur ou de l'ascenseur des signaux logiques de sécurité permettant d'interdire toute manoeuvre de la cabine lorsque la porte palière est ouverte ou mal refermée.In addition, these locks provide the central control system of the elevator or elevator logical safety signals to prohibit any maneuvering the cabin when the landing door is open or closed.

Une serrure à sécurité positive selon le préambule de la revendication 1 est déjà connu de FR-A-2769609 .A positive security lock according to the preamble of claim 1 is already known from FR-A-2769609 .

On connaît déjà des serrures à sécurité positive comprenant au sein d'un boîtier, susceptible d'être fixé sur l'huisserie d'une porte palière, un pêne de verrouillage de la porte susceptible de coopérer avec un percuteur fixe solidaire du ventail de la porte, un bras de manoeuvre disposé sur le boîtier, de manière à pouvoir être actionné sur le plan frontal ou latéral, par une came fixe ou mobile et un ou plusieurs contacts électriques de pêne.Positive safety locks are already known comprising, within a housing, capable of being fixed to the frame of a landing door, a locking bolt of the door capable of cooperating with a fixed striker integral with the door leaf of the door. door, an operating arm disposed on the housing, so as to be operable on the front or side plane, by a fixed or movable cam and one or more bolt electrical contacts.

Ce type de serrure a, par exemple, déjà été décrit par la demanderesse dans le brevet européen EP n° 1 023 513 , mais l'art antérieur peut être constitué par toute serrure de ce type.This type of lock has, for example, already been described by the applicant in the European patent EP No. 1,023,513 , but the prior art can be constituted by any lock of this type.

Il est connu de ne pas pouvoir accéder à la commande de secours de celle-ci, que par l'intermédiaire d'une clé femelle dite « en triangle » susceptible de coopérer en déverrouillage avec un élément mâle correspondant solidaire de la bielle, accessible depuis l'extérieur, par tout opérateur autorisé.It is known not to be able to access the emergency control thereof, only via a so-called "triangle" female key capable of cooperating in unlocking with a corresponding male element secured to the connecting rod, accessible from outside, by any authorized operator.

Mais, force a été de constater que ce moyen était également utilisé par des personnes malveillantes, provoquant ainsi des accidents, du fait que la serrure n'assurait plus alors sa fonction de condamnation de la cabine lorsque celle-ci n'était pas à l'étage.But, it has to be noted that this means was also used by malicious people, thus causing accidents, because the lock then no longer ensured its function of condemning the cabin when it was not available. 'floor.

A défaut de pouvoir accéder « au triangle », des actes de vandalisme se sont parfois reportés sur le bras de manoeuvre, en exerçant une action mécanique sur celui-ci pour simuler l'arrivée d'une cabine et donc obtenir le déverrouillage de la serrure.In the absence of being able to access "the triangle", acts of vandalism have sometimes been reported on the operating arm, by exerting a mechanical action on it to simulate the arrival of a cabin and thus obtain the unlocking of the lock .

Il s'est donc avéré nécessaire de trouver une solution efficace, interdisant toute action malveillante, à la fois sur le « triangle » et sur le bras de manoeuvre externe de la serrure.It has therefore proved necessary to find an effective solution, prohibiting any malicious action, both on the "triangle" and on the external maneuvering arm of the lock.

A cet effet, l'invention concerne une serrure à sécurité positive notamment pour porte palière d'élévateur, comprenant un boîtier sur et dans lequel sont intégrés :

  • un pêne de verrouillage monté coulissant dans le boîtier et susceptible de coopérer avec une pièce de verrouillage solidaire du ventail de la porte
  • une bielle actionnable angulairement, solidaire d'un axe rotatif traversant le boîtier et susceptible d'être commandé de l'extérieur par une clé de déverrouillage de secours, laquelle bielle est en liaison avec le pêne pour le déplacer entre deux positions de verrouillage et de déverrouillage, par rapport à la porte
  • un bras de manoeuvre externe solidaire de l'axe de bielle susceptible d'être déplacé par la cabine de l'élévateur lorsqu'elle se trouve à l'étage pour commander en déverrouillage le pêne par l'intermédiaire de la bielle
  • des moyens de rappel élastiques de la bielle pour que celle-ci exerce une poussée permanente sur le pêne,
caractérisée en ce qu'elle comporte en outre des moyens de condamnation temporaire en rotation de la tête de bielle par action directe sur celle-ci, pour une position de verrouillage du pêne, de manière à interdire toute action malveillante de déverrouillage en agissant sur l'axe de bielle à l'aide de la clé de secours ou par action directe sur le bras de manoeuvre externe.For this purpose, the invention relates to a positive security lock, particularly for an elevator landing door, comprising a housing on and in which are integrated:
  • a locking bolt slidably mounted in the housing and capable of cooperating with a locking piece secured to the door leaf
  • an angularly actuable connecting rod secured to a rotary shaft passing through the housing and capable of being controlled from the outside by an emergency unlocking key, which connecting rod is connected to the bolt to move it between two locking positions and unlocking, compared to the door
  • an external operating arm secured to the connecting rod axis that can be moved by the elevator cabin when it is on the floor to unlock the bolt by means of the connecting rod
  • elastic return means of the connecting rod so that it exerts a permanent thrust on the bolt,
characterized in that it further comprises means for temporary locking in rotation of the connecting rod head by acting directly on it, for a locking position of the bolt, so as to prohibit any malicious action of unlocking by acting on the connecting rod with the aid of the emergency key or by direct action on the external operating arm.

Selon l'invention, est obtenue ainsi une serrure comportant un dispositif de condamnation positive du pêne ayant une double fonction.According to the invention, a lock is thus obtained comprising a device for positive locking of the bolt having a dual function.

La présente invention concerne également les caractéristiques qui ressortiront au cours de la description qui va suivre, et qui devront être considérées isolément ou selon toutes leurs combinaisons techniques possibles.The present invention also relates to the features which will emerge during the following description, which should be considered in isolation or in all their possible technical combinations.

Cette description donnée à titre d'exemple non limitatif, fera mieux comprendre comment l'invention peut être réalisée, en référence aux dessins annexés sur lesquels :

  • La figure 1 est une vue d'ensemble d'une porte palière équipée d'une serrure selon l'invention.
  • La figure 2A est une vue de dessus partielle de la serrure en position verrouillée.
  • La figure 2B est une vue de dessus partielle de la serrure en position déverrouillée, alors qu'une cabine est présente en vis-à-vis du vantail de la porte palière.
  • La figure 2C est une vue de dessus partielle de la serrure en position verrouillée, en présence d'une cabine.
  • La figure 3 est une vue interne de face d'une serrure selon l'invention en position de verrouillage.
  • La figure 4 est une vue interne de face de la même serrure, en position de déverrouillage.
  • La figure 5 est une vue en perspective d'une bielle selon l'invention.
  • Les figures 6A et 6B représentent respectivement en vues de face et de dessus les moyens de condamnation en rotation de la bielle, en position de déverrouillage.
  • Les figures 7A et 7B représentent respectivement en vues de face et de dessus les moyens de condamnation en rotation de la bielle, en position de verrouillage, l'électro-aimant étant sous tension.
This description given by way of non-limiting example, will better understand how the invention can be made, with reference to the accompanying drawings in which:
  • The figure 1 is an overview of a landing door equipped with a lock according to the invention.
  • The Figure 2A is a partial top view of the lock in the locked position.
  • The Figure 2B is a partial top view of the lock in the unlocked position, while a cabin is present vis-à-vis the leaf of the landing door.
  • The Figure 2C is a partial top view of the lock in the locked position, in the presence of a cabin.
  • The figure 3 is an internal front view of a lock according to the invention in the locking position.
  • The figure 4 is an internal front view of the same lock, in the unlocked position.
  • The figure 5 is a perspective view of a connecting rod according to the invention.
  • The Figures 6A and 6B represent respectively in front views and from above the rotational locking means of the connecting rod, in the unlocked position.
  • The Figures 7A and 7B represent respectively in front views and from above the rotational locking means of the connecting rod, in locking position, the electromagnet being energized.

Selon un exemple d'application non limitatif, la serrure 1 est destinée à être fixée dans un logement 2 ménagé dans le montant d'un cadre 3 d'une porte palière 4 (voir figure 1). La figure 1 comporte un boîtier 5 ; un pêne réglable 6 prévu pour s'engager dans une pièce de verrouillage 7 solidaire du vantail de la porte palière 4 et pourvu d'un percuteur fixe 8 ; et un bras de manoeuvre 9 pourvu d'un galet de contact 10.According to an example of non-limiting application, the lock 1 is intended to be fixed in a housing 2 formed in the amount of a frame 3 of a landing door 4 (see figure 1 ). The figure 1 has a housing 5; an adjustable bolt 6 provided for engaging in a locking piece 7 integral with the leaf of the landing door 4 and provided with a fixed firing pin 8; and an operating arm 9 provided with a contact roller 10.

La serrure 1 est également reliée par des moyens de liaison électriques (non représentés) à des équipements de commande de l'ascenseur. La serrure 1 est conçue pour permettre un réglage aisé de la position latérale ou d'attaque du pêne 6 en fonction de l'écartement effectif x entre le vantail 4 et le cadre 3, après fixation de la serrure 1 au sein de l'emplacement 2, par exemple sur la paroi intérieure du montant du cadre 3.The lock 1 is also connected by electrical connection means (not shown) to control equipment of the elevator. The lock 1 is designed to allow easy adjustment of the lateral position or attack of the bolt 6 according to the effective distance x between the leaf 4 and the frame 3, after fixing the lock 1 within the location 2, for example on the inner wall of the amount of the frame 3.

On va maintenant décrire trois situations caractéristiques rencontrées dans l'utilisation d'une serrure 1 en référence aux figures 2A à 2C.Three typical situations encountered in the use of a lock 1 will now be described with reference to the FIGS. 2A to 2C .

Une première situation, illustrée par la figure 2A, correspond à un verrouillage du vantail de la porte palière 4 alors que la cabine ne se trouve pas en vis-à-vis de cette porte. Dans cette situation, le pêne réglable 6 est complètement engagé dans la pièce de verrouillage 7A et de la porte palière 4 assurant ainsi le verrouillage de cette porte, tandis que le bras de manoeuvre 9 se trouve au repos. Le contact électrique de la serrure 1 est alors dans un état logique « 1 » correspondant à une autorisation de mise en marche du courant de l'ascenseur.A first situation, illustrated by the Figure 2A , corresponds to a locking of the leaf of the landing door 4 while the cabin is not vis-à-vis this door. In this situation, the adjustable bolt 6 is fully engaged in the locking piece 7A and the landing door 4 thus ensuring the locking of the door, while the operating arm 9 is at rest. The electrical contact of the lock 1 is then in a logical state "1" corresponding to a permission to start the current of the elevator.

Dans une seconde situation, illustrée par la figure 2B, une cabine 11 vient d'arriver et de s'immobiliser en vis-à-vis du vantail de la porte palière 4. Un organe de commande 12 provoque le déplacement d'un patin mobile 13 solidaire de la cabine 11, qui rentre en contact avec le galet 10 du bras de manoeuvre 9 et qui, en exerçant une poussée sur ce galet, provoque un mouvement de rotation de l'axe dudit bras 9. Ce mouvement de rotation a pour effet de déplacer le pêne 6 vers l'intérieur de la serrure 1 et de libérer ainsi la porte palière 4, et d'ouvrir le contacteur électrique avec pour conséquence l'inhibition de tout déplacement de l'ascenseur.In a second situation, illustrated by the Figure 2B , a cabin 11 has just arrived and come to rest vis-à-vis the leaf of the landing door 4. A control member 12 causes the displacement of a movable pad 13 secured to the cabin 11, which returns to contact with the roller 10 of the operating arm 9 and which, by exerting a thrust on the roller, causes a rotational movement of the axis of said arm 9. This rotational movement has the effect of moving the bolt 6 inwards lock 1 and thus release the landing door 4, and open the electric switch with the consequence of inhibiting any movement of the elevator.

Lorsqu'une demande d'utilisation de l'ascenseur est détectée, l'organe de commande 12 provoque le retrait du patin mobile 13 et donc un mouvement de rotation inverse du bras de manoeuvre 9. Ceci a pour effet d'une part de libérer le pêne 6 vers l'extérieur de la serrure 1 jusqu'à ce qu'il soit engagé dans la pièce de verrouillage 7 du vantail de la porte palière 4, et d'autre part, de replacer le contacteur électrique de la serrure 1 dans un état « 1 » autorisant la commande de motorisation de l'ascenseur.When a request for use of the elevator is detected, the control member 12 causes the withdrawal of the mobile shoe 13 and thus a reverse rotation movement of the operating arm 9. This has the effect on the one hand to release the bolt 6 to the outside of the lock 1 until it is engaged in the locking piece 7 of the leaf of the landing door 4, and secondly, to replace the electric switch of the lock 1 in a state "1" authorizing the drive control of the elevator.

On va maintenant décrire un exemple pratique de réalisation d'une serrure 1 selon l'invention en référence aux figures 3 et 4.We will now describe a practical example of making a lock 1 according to the invention with reference to the Figures 3 and 4 .

La serrure 1, comprend au sein du boîtier 5 le pêne réglable 6 mobile à l'intérieur d'un palier de guidage et prolongé à son extrémité intérieure par une pièce coulissante reliée par articulation au pied d'une bielle 15. Le pêne 6 est constitué par une pièce cylindrique coulissante comprenant sur toute sa longueur un alésage central prévu pour recevoir un noyau 14 mobile pouvant coulisser dans le pêne 6. La bielle 15, actionnable angulairement, est solidaire d'un axe rotatif 16 traversant le boîtier 5 et est susceptible d'être commandée de l'extérieur par une clé de déverrouillage de secours, laquelle bielle est en liaison avec le pêne 6 pour le déplacer entre deux positions, celle de verrouillage et celle de déverrouillage, par rapport à la porte 4. La tête 17 de bielle 15 comprend un logement prévu pour recevoir une extrémité d'un ressort 20 disposé entre la tête 17 de bielle 15 et un logement ménagé dans un culbuteur pour recevoir l'autre extrémité de ressort 20 disposé autour d'une barre de guidage 19.The lock 1, comprises within the housing 5 the adjustable bolt 6 movable inside a guide bearing and extended at its inner end by a sliding member connected by articulation to the foot of a connecting rod 15. The bolt 6 is constituted by a sliding cylindrical piece comprising along its entire length a central bore adapted to receive a movable core 14 slidable in the bolt 6. The rod 15, actuatable angularly, is integral with a rotary shaft 16 passing through the housing 5 and is capable of to be controlled from the outside by an emergency release key, which rod is connected to the bolt 6 to move it between two positions, that of locking and unlocking, relative to the door 4. The head 17 rod 15 comprises a housing adapted to receive an end of a spring 20 disposed between the head 17 of the rod 15 and a housing formed in a rocker arm to receive the other end spring tee 20 disposed around a guide bar 19.

Selon l'invention, la serrure 1 comporte des moyens 21 de condamnation temporaire de la tête 17 de bielle 15 par action directe sur celle-ci, pour une position de verrouillage du pêne 6, de manière à interdire toute action malveillante de déverrouillage en agissant sur l'axe 16 de bielle 15 à l'aide d'une clé ou par action directe sur le bras de manoeuvre externe 9.According to the invention, the lock 1 comprises means 21 for temporarily locking the connecting rod head 15 by direct action on it, for a locking position of the bolt 6, so as to prohibit any malicious action of unlocking by acting on the axis 16 of the connecting rod 15 by means of a key or by direct action on the external actuating arm 9.

Selon une autre caractéristique de l'invention, les moyens 21 de condamnation temporaire en rotation de la tête 17 de bielle 15 sont constitués par une butée 22 réalisée en relief ou en creux, sur la périphérie externe de ladite tête 17 et susceptible de coopérer avec un doigt d'arrêt 23 mobile en translation, solidaire d'un noyau ferromagnétique 24 d'un électro-aimant 25 disposé fixement à proximité de la tête 17 et dont la mise sous tension électrique, effectuée à la demande, assure l'extraction du noyau 24 d'où du doigt d'arrêt 23, pour coopérer en immobilisation avec la butée 22 de la tête 17, pour une condamnation en rotation de celle-ci, dans une position de verrouillage du pêne 6 et dont la mise hors tension électrique de la bobine 25 permet à un ressort interne d'assurer le rappel de son noyau 24 d'où du doigt d'arrêt 23 et conséquemment la libération de la tête 17 de bielle 15 pour autoriser l'actionnement du pêne 6 en déverrouillage par celle-ci.According to another characteristic of the invention, the means 21 for temporary condemnation in rotation of the connecting rod head 17 are constituted by a stop 22 made in relief or recess, on the outer periphery of said head 17 and capable of cooperating with a movable stop finger 23 in translation, secured to a ferromagnetic core 24 of an electromagnet 25 fixedly disposed near the head 17 and whose electrical power, performed on demand, ensures the extraction of the core 24 where the stop finger 23, to cooperate in immobilization with the stop 22 of the head 17, for a locking in rotation thereof, in a locking position of the bolt 6 and whose power off of the coil 25 allows an internal spring to ensure the recall of its core 24 from which the stop finger 23 and consequently the release of the head 17 connecting rod 15 to allow the actuation of the bolt 6 unlocked by it.

Selon une variante de réalisation inverse à la précédente, les moyens 21 de condamnation temporaire en rotation de la tête 17 de bielle 15 sont constitués par une butée 22 réalisée en relief ou en creux, sur la périphérie externe de ladite tête 17 et susceptible de coopérer avec un doigt d'arrêt 23 mobile en translation, solidaire d'un noyau ferromagnétique 24 d'un électro-aimant 25 disposé fixement à proximité de la tête 17 et dont la mise hors tension électrique, effectuée à la demande, permet à un ressort interne d'assurer l'extraction du noyau 24 d'où du doigt d'arrêt 23, pour coopérer en immobilisation avec la butée 22 de la tête 17, pour une condamnation en rotation de celle-ci, dans une position de verrouillage du pêne 6 et dont la mise sous tension électrique de la bobine 25 assure le rappel de son noyau 24 d'où du doigt d'arrêt 23 et conséquemment la libération de la tête 17 de bielle 15 pour autoriser l'actionnement du pêne 6 en déverrouillage par celle-ci.According to an alternative embodiment that is the opposite of the previous embodiment, the means 21 for temporary locking in rotation of the connecting rod head 17 are constituted by a stop 22 made in relief or in recess, on the outer periphery of said head 17 and capable of cooperating with each other. with a stop finger 23 movable in translation, integral with a ferromagnetic core 24 of an electromagnet 25 fixedly disposed near the head 17 and whose power off, performed on demand, allows a spring internal to ensure the extraction of the core 24 from which the stop finger 23, to cooperate in immobilization with the stop 22 of the head 17, for a locking in rotation thereof, in a locking position of the bolt 6 and the electrical power of the coil 25 ensures the return of its core 24 where the stop finger 23 and consequently the release of the head 17 of rod 15 to allow the actuation of the bolt 6 unlocked by it.

Selon une autre caractéristique de l'invention, et comme le montrent bien les figures 3, 4 et 5, ainsi que les figures 6A, 6B et 7A, 7B, la butée 22 de bielle 15 est constituée par un becquet dirigé vers le bas, disposé de manière centrale sur la tête 17 et en ce que le doigt d'arrêt 23, assujetti au noyau 24 mobile en translation de la bobine 25, présente une extrémité biseautée dirigée vers le haut, pour offrir d'une part un plan d'appui stable à la butée 22 en forme de becquet de la tête 17 de bielle 15 et d'autre part pour permettre un réarmement automatique des moyens de condamnation lors d'une coupure de courant.According to another characteristic of the invention, and as the Figures 3, 4 and 5 , as well as FIGS. 6A, 6B and 7A, 7B , the abutment 22 of rod 15 is constituted by a spoiler directed downwards, disposed centrally on the head 17 and in that the stop finger 23, secured to the movable core 24 in translation of the coil 25, has a end beveled upwardly, to provide firstly a stable support plane to the stop spindle-shaped 22 of the cone head 17 and secondly to allow automatic reset of the locking means during 'a power outage.

Préférentiellement, comme le montrent les figures 6A, 6B et 7A, 7B, le doigt d'arrêt 23, assujetti au noyau 24 mobile en translation de la bobine 25, présente une extrémité biseautée dirigée vers le haut, pour offrir un plan d'appui stable à la butée 22 en forme de becquet de la tête 17 de bielle 15.Preferably, as shown by the FIGS. 6A, 6B and 7A, 7B, the stop finger 23, secured to the movable core 24 in translation of the coil 25, has a beveled end directed upwards, to provide a stable support plane to the abutment 22 in the form of a spoiler of the conrod head 17 15.

Claims (4)

  1. Positive safety lock (1), in particular for a lift landing door (4), comprising a casing (5) on and in which are integrated:
    - a locking bolt (6) mounted so as to slide in the casing (5) and designed to co-operate with a locking piece (7) connected to the panel of the door (4),
    - an angularly operable rod (15) joined to a rotating shaft (16) extending through the casing (5) and designed to be controlled from the exterior by an emergency unlocking key, which rod (15) is linked to the bolt (6) in order to displace it relative to the door (4) between two positions, one for locking and the other for unlocking,
    - an external manoeuvring arm (9) joined to the shaft (16) of the rod (15) designed to be displaced by the lift cabin (11) when it is disposed at the landing for controlling the unlocking action of the bolt (6) via the rod (15),
    - resilient return means (20) of the rod (15) so that the latter exerts a permanent thrusting action on the bolt (6),
    characterised in that it further comprises means (21) for temporarily blocking rotation of the head (17) of the rod (15) by acting directly on it to obtain a locking position of the bolt (6) so as to prevent any malicious unlocking action by acting on the shaft (16) of the rod (15) with the aid of the emergency key or by acting directly on the external manoeuvring arm (9).
  2. Lock as claimed in claim 1, characterised in that the means (21) for temporarily blocking the head (17) of the rod (15) preventing it from rotating consist in a stop (22) in the form of a protusion or concavity on the external periphery of said head (17) and designed to co-operate with a blocking finger (23) displaceable in translation, joined to a ferromagnetic core (24) of an electro-magnet (25) fixedly disposed in the proximity of the head (17) which, when supplied with electric voltage, this being effected on demand, causes the core (24) and hence the blocking finger (23) to be extracted so as to co-operate in an immobilising action with the stop (22) of the head (17) in order to block the latter preventing it from rotating into a position in which the bolt (6) is locked, and which, when electric voltage is removed from the coil (25), enables an internal spring to cause its core (24) and hence the blocking finger (23) to return and thereby release the head (17) of the rod (15) to allow the bolt (6) to be operated so that it is unlocked thereby.
  3. Lock as claimed in claim 1, characterised in that the means (21) for temporarily blocking the head (17) of the rod (15) preventing it from rotating consist in a stop (22) in the form of a protusion or a concavity on the external periphery of said head (17) and designed to co-operate with a blocking finger (23) displaceable in translation, joined to a ferromagnetic core (24) of an electro-magnet (25) fixedly disposed in the proximity of the head (17) which, when the electric voltage is cut, this being effected on demand, enables an internal spring to extract the core (24) and hence the blocking finger (23) so as to co-operate in an immobilising action with the stop (22) of the head in order to block the latter preventing it from rotating into a position in which the bolt (6) is locked, and which, when the coil (5) is supplied with electric voltage, enables its core (24) and hence the blocking finger (23) to return so that the head (17) of the rod (15) is released to allow the bolt (6) to be operated so that it is unlocked thereby.
  4. Lock as claimed in claim 3, characterised in that the stop (22) of the rod (15) consists in a downwardly directed nose disposed centrally on the head (17), and the blocking finger (23), fixed to the core (24), displaceable in translation, of the coil (25) has a chamfered end directed upwards so as to afford a stable support plane on the stop (22) in the form of a nose of the head (17) of the rod (15), on the one hand, and to allow the blocking means to be automatically reset in the event of a power cut, on the other hand.
EP20070007312 2006-04-10 2007-04-10 Device for locking a positive safety lock, in particular for an elevator door, and lock comprising same Active EP1845054B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0603133A FR2899620B1 (en) 2006-04-10 2006-04-10 DEVICE FOR CONDIMNATION OF A POSITIVE SECURITY LOCK, IN PARTICULAR FOR A BEARING APPARATUS BEARING DOOR, AND A LOCK COMPRISING THE SAME.

Publications (2)

Publication Number Publication Date
EP1845054A1 EP1845054A1 (en) 2007-10-17
EP1845054B1 true EP1845054B1 (en) 2013-02-27

Family

ID=37103217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070007312 Active EP1845054B1 (en) 2006-04-10 2007-04-10 Device for locking a positive safety lock, in particular for an elevator door, and lock comprising same

Country Status (3)

Country Link
EP (1) EP1845054B1 (en)
ES (1) ES2402653T3 (en)
FR (1) FR2899620B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102758562A (en) * 2012-06-07 2012-10-31 埃克森塞弗(苏州)电梯部件科技有限公司 Door lock
US9062479B2 (en) 2012-08-23 2015-06-23 Brandt Wolf Remote-controlled security apparatus including a security bar
US8752870B2 (en) 2012-08-23 2014-06-17 Brandt Wolf Remote-controlled security bar
ES2894692T3 (en) * 2018-10-12 2022-02-15 Otis Elevator Co Elevator landing door release system
CN112573333B (en) * 2021-01-14 2022-07-08 南京海翔环境工程有限公司 Self-locking building construction protection device
US11780710B1 (en) * 2022-03-28 2023-10-10 Atlas Elevator Components, Inc. Elevator door interlock assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996001223A1 (en) * 1994-07-01 1996-01-18 Dominique Prudhomme Universal lock for a positive security door, particularly a landing door of a lift
FR2769609B3 (en) * 1997-10-14 2000-01-07 Dominique Prudhomme POSITIVE SECURITY LOCK, PARTICULARLY FOR LANDING DOOR OF LIFT DEVICES
FR2827265B1 (en) * 2001-07-12 2003-12-12 Tegur DEVICE FOR LOCKING A LANDING DOOR WITH INDEPENDENT EMERGENCY LOCKING
FR2852589B1 (en) * 2003-03-17 2005-05-27 Tegur CONDEMNATION OF EMERGENCY DOOR RELIEF UNLOCKING

Also Published As

Publication number Publication date
ES2402653T3 (en) 2013-05-07
EP1845054A1 (en) 2007-10-17
FR2899620B1 (en) 2008-07-04
FR2899620A1 (en) 2007-10-12

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