EP3023562B1 - Door actuating device with electric locking - Google Patents

Door actuating device with electric locking Download PDF

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Publication number
EP3023562B1
EP3023562B1 EP15186175.4A EP15186175A EP3023562B1 EP 3023562 B1 EP3023562 B1 EP 3023562B1 EP 15186175 A EP15186175 A EP 15186175A EP 3023562 B1 EP3023562 B1 EP 3023562B1
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EP
European Patent Office
Prior art keywords
connecting piece
cam
gear wheel
actuating member
axis
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.)
Active
Application number
EP15186175.4A
Other languages
German (de)
French (fr)
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EP3023562A1 (en
Inventor
Philippe QUÉRÉ
Philippe Bastard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Assa Abloy France SAS
Original Assignee
Assa Abloy Aube Anjou SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Assa Abloy Aube Anjou SAS filed Critical Assa Abloy Aube Anjou SAS
Publication of EP3023562A1 publication Critical patent/EP3023562A1/en
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Publication of EP3023562B1 publication Critical patent/EP3023562B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0657—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like
    • E05B47/0665—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially
    • E05B47/0669—Controlling mechanically-operated bolts by electro-magnetically-operated detents by locking the handle, spindle, follower or the like radially with a pivotally moveable blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B7/00—Handles pivoted about an axis parallel to the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0058—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with non-destructive disengagement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0072—Operation
    • E05B2047/0076—Current to lock only, i.e. "fail-safe"
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors

Definitions

  • the present invention relates to an electrically locked type door operating device. It relates in particular to a device provided with a door operating member such as a thrust plate or a handle, the locking of the door being made using an electromagnet.
  • the invention is particularly applicable to doors with emergency lock, including emergency lock free exit.
  • Doors with emergency locks are typically used to control the exit of people in busy places, such as offices, schools (accommodating up to fifty people, for example) and in which the escape route to the door is known.
  • Emergency locks known as free output are known in particular. These free-exit emergency locks allow the door to be opened from the inside even when the lock is locked. This device is for example used in classrooms.
  • Such locks are known for example from EP1170443 or GB2139689 .
  • the invention aims to achieve this objective.
  • the subject of the invention is thus a device for maneuvering an electrically locked door, comprising an operating member rotatably mounted on an axis of the device, the operating member being able to actuate rotating, via a gear, a connecting piece, said connecting piece transmitting the rotational movement to a lock.
  • the two teeth of the locking lever allow effective blocking of the connecting piece.
  • the opposite rotational directions of the two gears can minimize the blocking force to be transmitted to the two gears by the electromagnet.
  • the operating member may be a push plate or a handle.
  • the connecting piece may comprise an upper portion which meshes with the actuating member and on which the first toothed wheel is arranged.
  • the (upper) part of the connecting piece which meshes with the operating member may be of axis orthogonal to the axis of rotation of the operating member.
  • the gear may comprise a first conical pinion, secured to the operating member and meshing with a conical pinion integral with the connecting piece, said first conical pinion enabling the transmission of the rotation of the workpiece to the connecting piece.
  • the gear may further comprise a second bevel gear having the same axis as the first bevel gear, the second bevel gear being freely rotatable and facing the first bevel gear.
  • the connecting piece may comprise at one end the bevel gear meshing with the first and second bevel gears.
  • the connecting piece may comprise at its end remote from the operating member a transmission element for transmitting the rotational movement of the connecting piece to a lock, the transmission element being connected to the first or the second gear wheel.
  • the first tooth and the second tooth are advantageously arranged on a circular portion of the locking lever.
  • the first gear and the second gear are of the same radius and have the same number of teeth.
  • the ratio of the radius of curvature of the circular portion of the locking lever to the radius of the first and the second gear is preferably chosen so that the sum of the locking force of the first gear and the locking force of the second gear is sufficient to allow the locking lever to escape and not to stay stuck in the first and second gear when stopping the power supply of the electromagnet. This ratio is preferably between 5 and 15.
  • the locking lever can be rotatably mounted on the support of the device, in the same plane as the first and the second gear.
  • the operating member comprises a first cam integral with the operating member, a second cam fitted in the first cam and integral with the axis, the second cam being in abutment with a return member, so that in case of blockage of the system by the electromagnet, a rotation of the operating member causes a rotation of the first cam and a translation of the second cam against the return element, without soliciting the gear and the electromagnet.
  • the second cam can be secured to the axis via a flat part of the second cam associated with a flat part of the axis.
  • a door operating device 1 comprises an operating member 2, for example a thrust plate 2, rotatably mounted on a support 3 of the device.
  • the support 3 of the device 1 may comprise a printed circuit 31 with light-emitting diodes and a half-barrel 32 for actuating a lock of the device 1 with the aid of a key.
  • the thrust plate 2 is manually actuated and is intended to transmit the rotation actuated by the hand in a rotation of a connecting piece 4 which is a link arm, via a gear with intersecting axes, typically a gear with orthogonal axes.
  • a connecting piece 4 which is a link arm
  • the connecting piece 4 is a part connecting the thrust plate 2 and a lock, not shown, that it can operate, either by locking or unlocking, depending on the direction of rotation of the part 4.
  • the rotation of the thrust plate 2 thus makes it possible to actuate the lock via the connecting piece 4.
  • the gear for transmitting the rotation of the thrust plate 2 may comprise two bevel gears 21 of axes coaxial with the axis of rotation of the plate 2 and arranged facing each other. Only one of the two bevel gears 21 is secured to the plate 2, using a screw 22 ( figure 6 ), so as to control the direction of rotation of the plate 2. The other pinion 21 is free rotation, it is not secured to the thrust plate 2, so as not to hinder the rotation of the bevel gear 21 control.
  • the choice of the pinion 21 which is fixed to the plate 2 (the control pinion) makes it possible to determine if the lock is actuated by pushing or pulling the plate 2. In fact, the two pinions 21 being coaxial and vis-à- screw, they transmit opposite directions of rotation to the connecting piece 4.
  • the connecting piece 4 comprises at its upper end a bevel gear 41 adapted to mesh with each of the two bevel gears 21 and disposed on an upper portion 45 of the connecting piece 4.
  • the part 4 comprises in its central part, at the level of support 3, a pinion 42 meshing with an adjacent pinion 43.
  • the pinion 42 is plane and has the same axis as the conical pinion 41.
  • the pinion 43 is also plane.
  • the pinions 42 and 43 may also be gear portions, that is to say have teeth only on a circular portion of the pinion.
  • the connecting piece 4 comprises in its lower part an element 44 for transmitting the rotational movement of the connecting piece 4 to a lock.
  • the transmission element 44 is typically square in section.
  • the connecting piece 4 thus comprises the upper vertical portion 45 in the form of an arm, on which is disposed at its upper end the conical pinion 41, and at its lower end the two toothed wheels 42,43 meshing in an intermediate horizontal plane of the connecting piece 4, and a lower vertical portion in the form of an arm, connected to one of the two toothed wheels 42,43.
  • axis of the connecting piece 4 is meant the axis of the upper portion 45 which meshes with the operating member 2.
  • the device 1 further comprises a locking lever 6 mounted at one of its ends (or at an intermediate region of the lever 6) in pivot connection with the support 3.
  • the locking lever 6 comprises a first tooth 61 meshing with the pinion 42 and a second tooth 62 meshing with the pinion 43.
  • the locking lever 6 comprises at its other end a metal surface 63 which constitutes a polar plate, for example of circular section.
  • the metal surface 63 is disposed opposite an electromagnet 5 which can be connected to an electronic control device.
  • the electromagnet 5 is thus disposed on the opposite side to the axis of rotation of the lever 6.
  • the electromagnet 5 When the electromagnet 5 is energized, it magnetizes the pole plate 63, which blocks the lever 6.
  • the first tooth 61 and the second tooth 62 hold the pinion 42 and the pinion 43, which which therefore blocks the connecting piece 4 and the thrust plate 2 and prohibits any actuation of the lock.
  • the locking system is illustrated in plan view on the Figures 2 and 3 , on which identical elements bear the same references.
  • the first tooth 61 and the second tooth 62 are advantageously arranged on a circular portion 64 (in a circular arc) of the locking lever 6, so as to constitute a pinion portion.
  • the first tooth 61 and the second tooth 62 are advantageously arranged symmetrically with respect to the locking lever 6, so as to guide the resulting locking force.
  • the ratio between the radius of curvature of the circular curved zone 64 connecting the two teeth 61, 62 on the radius of the first and second gear wheel can be advantageously between 5 and 15.
  • both the pinion 42 and the pinion 43 may comprise a receiving zone 7 of the element 44 for transmitting the rotational movement of the connecting piece 4 to the lock, according to the direction of rotation that the we want to transmit to the lock.
  • the figure 5 illustrates is a closed general view of the device 1, the device 1 being covered with a casing 8.
  • the device 1 comprises inside the thrust plate 2 two cams 9, 10 and a spring 11.
  • the two cams 9, 10 and the spring 11 are for example arranged in a cylindrical housing of the plate 2, the plate 2 comprising two cylindrical housings of this type arranged on either side of the bevel gears 21.
  • the first cam 9 ( figure 8 ) is connected to the plate 2 via a pin 13.
  • the second cam 10 is connected to the axis 12 by means of a flat part 101 ( figure 7 ) which bears on a flat 121 corresponding to the axis 12 ( figure 9 ) so as to lock in rotation the second cam 10.
  • the first cam 9 is nested in the second cam 10.

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  • Lock And Its Accessories (AREA)

Description

La présente invention a pour objet un dispositif de manoeuvre de porte de type bloqué électriquement. Elle concerne en particulier un dispositif muni d'un organe de manoeuvre de porte tel qu'une plaque de poussée ou une poignée, le blocage de la porte étant réalisé à l'aide d'un électroaimant. L'invention s'applique tout particulièrement à des portes à serrure d'urgence, et notamment à serrure d'urgence à sortie libre.The present invention relates to an electrically locked type door operating device. It relates in particular to a device provided with a door operating member such as a thrust plate or a handle, the locking of the door being made using an electromagnet. The invention is particularly applicable to doors with emergency lock, including emergency lock free exit.

Les portes munies de serrures d'urgence permettent typiquement de contrôler la sortie de personnes dans des lieux fréquentés, comme des bureaux, des écoles (accueillant par exemple jusqu'à cinquante personnes) et dans lesquels le chemin d'évacuation jusqu'à la porte est connu. On connaît notamment des serrures d'urgence dites à sortie libre. Ces serrures d'urgence à sortie libre permettent d'ouvrir la porte de l'intérieur même lorsque la serrure est verrouillée. Ce dispositif est par exemple utilisé dans les salles de classe.Doors with emergency locks are typically used to control the exit of people in busy places, such as offices, schools (accommodating up to fifty people, for example) and in which the escape route to the door is known. Emergency locks known as free output are known in particular. These free-exit emergency locks allow the door to be opened from the inside even when the lock is locked. This device is for example used in classrooms.

Il peut être souhaitable, notamment dans le cas des serrures d'urgence à sortie libre, de maintenir électriquement un blocage de la porte, de manière à empêcher les personnes situées à l'intérieur du bâtiment de sortir. Telles serrures sont connues par exemple de EP1170443 ou GB2139689 . On peut ainsi décider de bloquer la porte dans certaines conditions. Par exemple, lors de certaines plages horaires, on peut ainsi décider de commander un blocage d'une porte après une certaine heure (par exemple dès qu'il n'y a plus de public dans le bâtiment) pour prévenir tout cambriolage. On peut également décider de lever électriquement ce blocage. Ainsi, en cas de détection incendie, il est souhaitable de suspendre le blocage pour que la serrure assure à nouveau sa fonction de sortie libre.It may be desirable, particularly in the case of emergency exit locks, to electrically maintain a door lock, so as to prevent people inside the building from going out. Such locks are known for example from EP1170443 or GB2139689 . We can decide to block the door under certain conditions. For example, during certain time periods, it is thus possible to order a blocking of a door after a certain time (for example as soon as there is no public in the building) to prevent burglary. One can also decide to electrically lift this blockage. Thus, in case of fire detection, it is desirable to suspend the lock so that the lock assures its free exit function again.

L'invention vise à atteindre cet objectif.The invention aims to achieve this objective.

Elle propose un dispositif de manoeuvre de porte muni d'un système de blocage électrique spécifique.It offers a door operator with a specific electrical locking system.

L'invention a ainsi pour objet un dispositif de manoeuvre de porte à blocage électrique, comprenant un organe de manoeuvre monté à rotation sur un axe du dispositif, l'organe de manoeuvre étant apte à actionner en rotation, via un engrenage, une pièce de liaison, ladite pièce de liaison transmettant le mouvement de rotation à une serrure.The subject of the invention is thus a device for maneuvering an electrically locked door, comprising an operating member rotatably mounted on an axis of the device, the operating member being able to actuate rotating, via a gear, a connecting piece, said connecting piece transmitting the rotational movement to a lock.

Le dispositif selon l'invention est muni d'un système de blocage comprenant :

  • une première roue dentée, disposée sur une partie de la pièce de liaison qui engrène avec l'organe de manoeuvre, et de même axe que ladite partie,
  • une deuxième roue dentée engrenant avec la première roue dentée,
  • un levier de blocage, muni d'une première dent engrenant avec la première roue dentée et d'une deuxième dent engrenant avec la deuxième roue dentée, le levier de blocage étant en outre muni d'une surface apte à être aimantée, et
  • un électroaimant apte à aimanter ladite surface sous l'action d'un courant électrique, de manière à bloquer le levier de blocage ainsi que la pièce de liaison via la première et la deuxième dent du levier de blocage.
The device according to the invention is provided with a locking system comprising:
  • a first gear, arranged on a part of the connecting piece which meshes with the actuating member, and of the same axis as said part,
  • a second gear meshing with the first gear,
  • a locking lever, provided with a first tooth meshing with the first gear and a second tooth meshing with the second gear, the locking lever being further provided with a surface capable of being magnetized, and
  • an electromagnet adapted to magnetize said surface under the action of an electric current, so as to lock the locking lever and the connecting piece via the first and second teeth of the locking lever.

Ainsi, les deux dents du levier de blocage permettent un blocage efficace de la pièce de liaison. En outre, les sens de rotations opposés des deux roues dentées permettent de minimiser l'effort de blocage à transmettre aux deux roues dentées par l'électroaimant.Thus, the two teeth of the locking lever allow effective blocking of the connecting piece. In addition, the opposite rotational directions of the two gears can minimize the blocking force to be transmitted to the two gears by the electromagnet.

L'organe de manoeuvre peut être une plaque de poussée ou une poignée.The operating member may be a push plate or a handle.

La pièce de liaison peut comprendre une partie supérieure qui engrène avec l'organe de manoeuvre et sur laquelle est disposée la première roue dentée.The connecting piece may comprise an upper portion which meshes with the actuating member and on which the first toothed wheel is arranged.

La partie (supérieure) de la pièce de liaison qui engrène avec l'organe de manoeuvre peut être d'axe orthogonal à l'axe de rotation de l'organe de manoeuvre.The (upper) part of the connecting piece which meshes with the operating member may be of axis orthogonal to the axis of rotation of the operating member.

L'engrenage peut comprendre un premier pignon conique, solidaire de l'organe de manoeuvre et engrenant avec un pignon conique solidaire de la pièce de liaison, ledit premier pignon conique permettant la transmission de la rotation de la pièce de manoeuvre à la pièce de liaison.The gear may comprise a first conical pinion, secured to the operating member and meshing with a conical pinion integral with the connecting piece, said first conical pinion enabling the transmission of the rotation of the workpiece to the connecting piece. .

L'engrenage peut comprendre en outre un deuxième pignon conique, de même axe que le premier pignon conique, le deuxième pignon conique étant de rotation libre et faisant face au premier pignon conique.The gear may further comprise a second bevel gear having the same axis as the first bevel gear, the second bevel gear being freely rotatable and facing the first bevel gear.

La pièce de liaison peut comprendre à une des extrémités le pignon conique engrenant avec le premier et le deuxième pignon coniques.The connecting piece may comprise at one end the bevel gear meshing with the first and second bevel gears.

La pièce de liaison peut comprendre à son extrémité éloignée de l'organe de manoeuvre un élément de transmission destiné à transmettre le mouvement de rotation de la pièce de liaison à une serrure, l'élément de transmission étant relié à la première ou à la deuxième roue dentée.The connecting piece may comprise at its end remote from the operating member a transmission element for transmitting the rotational movement of the connecting piece to a lock, the transmission element being connected to the first or the second gear wheel.

La première dent et la deuxième dent sont avantageusement disposées sur une portion circulaire du levier de blocage.The first tooth and the second tooth are advantageously arranged on a circular portion of the locking lever.

De préférence, la première roue dentée et la deuxième roue dentée sont de même rayon et comportent le même nombre de dents. Dans ce cas, et lorsque la première dent et la deuxième dent sont disposées sur une portion circulaire du levier de blocage, le rapport du rayon de courbure de la portion circulaire du levier de blocage sur le rayon de la première et de la deuxième roue dentée est de préférence choisi de manière à ce que la somme de l'effort de blocage de la première roue dentée et de l'effort de blocage de la deuxième roue dentée soit suffisante pour permettre au levier de blocage de s'échapper et de ne pas rester coincé dans la première et la deuxième roue dentée lors de l'arrêt de l'alimentation électrique de l'électroaimant. Ce rapport est de préférence compris entre 5 et 15.Preferably, the first gear and the second gear are of the same radius and have the same number of teeth. In this case, and when the first tooth and the second tooth are arranged on a circular portion of the locking lever, the ratio of the radius of curvature of the circular portion of the locking lever to the radius of the first and the second gear is preferably chosen so that the sum of the locking force of the first gear and the locking force of the second gear is sufficient to allow the locking lever to escape and not to stay stuck in the first and second gear when stopping the power supply of the electromagnet. This ratio is preferably between 5 and 15.

Le levier de blocage peut être monté à rotation sur le support du dispositif, dans le même plan que la première et la deuxième roue dentée.The locking lever can be rotatably mounted on the support of the device, in the same plane as the first and the second gear.

Dans un mode de réalisation, l'organe de manoeuvre comprend une première came solidaire de l'organe de manoeuvre, une deuxième came emboîtée dans la première came et solidaire de l'axe, la deuxième came étant en appui contre un élément de rappel, de sorte qu'en cas de blocage du système par l'électroaimant, une rotation de l'organe de manoeuvre entraîne une rotation de la première came puis une translation de la deuxième came contre l'élément de rappel, sans solliciter l'engrenage et l'électroaimant.In one embodiment, the operating member comprises a first cam integral with the operating member, a second cam fitted in the first cam and integral with the axis, the second cam being in abutment with a return member, so that in case of blockage of the system by the electromagnet, a rotation of the operating member causes a rotation of the first cam and a translation of the second cam against the return element, without soliciting the gear and the electromagnet.

La deuxième came peut être solidaire de l'axe via un méplat de la deuxième came associé à un méplat de l'axe.The second cam can be secured to the axis via a flat part of the second cam associated with a flat part of the axis.

D'autres buts, caractéristiques et avantages de l'invention apparaîtront à la lecture de la description suivante, donnée uniquement à titre d'exemple non limitatif, et faite en référence aux dessins annexés, sur lesquels :

  • la figure 1 est une vue générale partielle en perspective d'un dispositif de manoeuvre de porte selon l'invention.
  • les figures 2 à 4 sont des vues de détail de système de blocage du dispositif,
  • la figure 5 est une vue générale du dispositif, et
  • les figures 6 à 10 sont des vues du dispositif conformément à un mode de réalisation permettant de résister aux chocs.
Other objects, features and advantages of the invention will become apparent on reading the following description, given solely by way of nonlimiting example, and with reference to the appended drawings, in which:
  • the figure 1 is a partial general perspective view of a door operating device according to the invention.
  • the Figures 2 to 4 are detailed views of the device's locking system,
  • the figure 5 is a general view of the device, and
  • the Figures 6 to 10 are views of the device according to an embodiment for impact resistance.

Tel qu'illustré à la figure 1 en vue ouverte, un dispositif de manoeuvre de porte 1 selon l'invention comprend un organe de manoeuvre 2, par exemple une plaque de poussée 2, monté à rotation sur un support 3 du dispositif. Le support 3 du dispositif 1 peut comprendre un circuit imprimé 31 avec des diodes électroluminescentes et un demi-barillet 32 destiné à actionner une serrure du dispositif 1 à l'aide d'une clé.As illustrated in figure 1 in open view, a door operating device 1 according to the invention comprises an operating member 2, for example a thrust plate 2, rotatably mounted on a support 3 of the device. The support 3 of the device 1 may comprise a printed circuit 31 with light-emitting diodes and a half-barrel 32 for actuating a lock of the device 1 with the aid of a key.

La plaque de poussée 2 est actionnée manuellement et est destinée à transmettre la rotation actionnée par la main en une rotation d'une pièce de liaison 4 qui est un bras de liaison, via un engrenage à axes concourants, typiquement un engrenage à axes orthogonaux. Ainsi, les axes de rotation de la plaque de poussée 2 et de la pièce de liaison 4 sont typiquement orthogonaux. La pièce de liaison 4 est une pièce faisant la liaison entre la plaque de poussée 2 et une serrure, non représentée, qu'elle permet d'actionner, soit en la verrouillant, soit en la déverrouillant, selon le sens de rotation de la pièce de liaison 4. La rotation de la plaque de poussée 2 permet ainsi d'actionner la serrure par l'intermédiaire de la pièce de liaison 4.The thrust plate 2 is manually actuated and is intended to transmit the rotation actuated by the hand in a rotation of a connecting piece 4 which is a link arm, via a gear with intersecting axes, typically a gear with orthogonal axes. Thus, the axes of rotation of the thrust plate 2 and the connecting piece 4 are typically orthogonal. The connecting piece 4 is a part connecting the thrust plate 2 and a lock, not shown, that it can operate, either by locking or unlocking, depending on the direction of rotation of the part 4. The rotation of the thrust plate 2 thus makes it possible to actuate the lock via the connecting piece 4.

L'engrenage permettant la transmission de la rotation de la plaque de poussée 2 peut comprendre deux pignons coniques 21 d'axes coaxiaux à l'axe de rotation de la plaque 2 et disposés face à face. Un seul des deux pignons coniques 21 est solidaire de la plaque 2, à l'aide d'une vis 22 (figure 6), de manière à commander le sens de rotation de la plaque 2. L'autre pignon 21 est de rotation libre, il n'est pas solidarisé à la plaque de poussée 2, de manière à ne pas contrarier la rotation du pignon conique 21 de commande. Le choix du pignon 21 qui est fixé à la plaque 2 (le pignon de commande) permet de déterminer si la serrure est actionnée en poussant ou en tirant la plaque 2. En effet, les deux pignons 21 étant coaxiaux et en vis-à-vis, ils transmettent des sens de rotation opposés à la pièce de liaison 4.The gear for transmitting the rotation of the thrust plate 2 may comprise two bevel gears 21 of axes coaxial with the axis of rotation of the plate 2 and arranged facing each other. Only one of the two bevel gears 21 is secured to the plate 2, using a screw 22 ( figure 6 ), so as to control the direction of rotation of the plate 2. The other pinion 21 is free rotation, it is not secured to the thrust plate 2, so as not to hinder the rotation of the bevel gear 21 control. The choice of the pinion 21 which is fixed to the plate 2 (the control pinion) makes it possible to determine if the lock is actuated by pushing or pulling the plate 2. In fact, the two pinions 21 being coaxial and vis-à- screw, they transmit opposite directions of rotation to the connecting piece 4.

La pièce de liaison 4 comprend à son extrémité supérieure un pignon conique 41 apte à engrener avec chacun des deux pignons coniques 21 et disposé sur une portion supérieure 45 de la pièce de liaison 4. La pièce 4 comprend dans sa partie centrale, au niveau du support 3, un pignon 42 engrenant avec un pignon 43 adjacent. Le pignon 42 est plan et est de même axe que le pignon conique 41. Le pignon 43 est également plan. Les pignons 42 et 43 peuvent être également des portions de roue dentée, c'est-à-dire ne comporter des dents que sur une portion circulaire du pignon. La pièce de liaison 4 comprend dans sa partie inférieure un élément 44 de transmission du mouvement de rotation de la pièce de liaison 4 à une serrure. L'élément de transmission 44 est typiquement de section carrée.The connecting piece 4 comprises at its upper end a bevel gear 41 adapted to mesh with each of the two bevel gears 21 and disposed on an upper portion 45 of the connecting piece 4. The part 4 comprises in its central part, at the level of support 3, a pinion 42 meshing with an adjacent pinion 43. The pinion 42 is plane and has the same axis as the conical pinion 41. The pinion 43 is also plane. The pinions 42 and 43 may also be gear portions, that is to say have teeth only on a circular portion of the pinion. The connecting piece 4 comprises in its lower part an element 44 for transmitting the rotational movement of the connecting piece 4 to a lock. The transmission element 44 is typically square in section.

La pièce de liaison 4 comprend ainsi la partie verticale supérieure 45 sous forme d'un bras, sur laquelle est disposé à son extrémité supérieure le pignon conique 41, et à son extrémité inférieure les deux roues dentées 42,43 engrenant dans un plan horizontal intermédiaire de la pièce de liaison 4, et une partie verticale inférieure sous forme de bras, connectée à l'une des deux roues dentées 42,43.The connecting piece 4 thus comprises the upper vertical portion 45 in the form of an arm, on which is disposed at its upper end the conical pinion 41, and at its lower end the two toothed wheels 42,43 meshing in an intermediate horizontal plane of the connecting piece 4, and a lower vertical portion in the form of an arm, connected to one of the two toothed wheels 42,43.

On entend par axe de la pièce de liaison 4 l'axe de la portion supérieure 45 qui engrène avec l'organe de manoeuvre 2.By axis of the connecting piece 4 is meant the axis of the upper portion 45 which meshes with the operating member 2.

Le dispositif 1 comprend en outre un levier de blocage 6 monté à une de ses extrémités (ou au niveau d'une zone intermédiaire du levier 6) en liaison pivot avec le support 3. Le levier de blocage 6 comprend une première dent 61 engrenant avec le pignon 42 et une deuxième dent 62 engrenant avec le pignon 43.The device 1 further comprises a locking lever 6 mounted at one of its ends (or at an intermediate region of the lever 6) in pivot connection with the support 3. The locking lever 6 comprises a first tooth 61 meshing with the pinion 42 and a second tooth 62 meshing with the pinion 43.

Le levier de blocage 6 comprend à son autre extrémité une surface métallique 63 qui constitue une plaque polaire, par exemple de section circulaire. La surface métallique 63 est disposée en vis-à-vis d'un électroaimant 5 qui peut être relié à un dispositif de commande électronique. L'électroaimant 5 est ainsi disposé du côté opposé à l'axe de rotation du levier de blocage 6. Lorsque l'électroaimant 5 est mis sous tension, il aimante la plaque polaire 63, ce qui bloque le levier 6. Par suite, la première dent 61 et la deuxième dent 62 retiennent le pignon 42 et le pignon 43, ce qui bloque par conséquent la pièce de liaison 4 et la plaque de poussée 2 et interdit tout actionnement de la serrure.The locking lever 6 comprises at its other end a metal surface 63 which constitutes a polar plate, for example of circular section. The metal surface 63 is disposed opposite an electromagnet 5 which can be connected to an electronic control device. The electromagnet 5 is thus disposed on the opposite side to the axis of rotation of the lever 6. When the electromagnet 5 is energized, it magnetizes the pole plate 63, which blocks the lever 6. As a result, the first tooth 61 and the second tooth 62 hold the pinion 42 and the pinion 43, which which therefore blocks the connecting piece 4 and the thrust plate 2 and prohibits any actuation of the lock.

Le système de blocage est illustré en vue de dessus sur les figures 2 et 3, sur lesquelles les éléments identiques portent les mêmes références. La première dent 61 et la deuxième dent 62 sont avantageusement disposées sur une portion circulaire 64 (en arc de cercle) du levier de blocage 6, de manière à constituer une portion de pignon. La première dent 61 et la deuxième dent 62 sont avantageusement disposées symétriquement par rapport au levier de blocage 6, de manière à bien orienter l'effort de blocage résultant.The locking system is illustrated in plan view on the Figures 2 and 3 , on which identical elements bear the same references. The first tooth 61 and the second tooth 62 are advantageously arranged on a circular portion 64 (in a circular arc) of the locking lever 6, so as to constitute a pinion portion. The first tooth 61 and the second tooth 62 are advantageously arranged symmetrically with respect to the locking lever 6, so as to guide the resulting locking force.

On observe l'intérêt d'utiliser deux pignons 42,43 pour le blocage de la pièce de liaison 4 : les efforts de blocage s'annulent en grande partie à l'intérieur du système. Tel qu'illustré à la figure 3, la somme de l'effort A de blocage du pignon 42 et de l'effort B de blocage du pignon 43 résulte en l'effort de blocage C, qui est minimisé du fait des directions opposés des efforts de blocage A et B. C'est cet effort de blocage C qui doit être repris par l'électroaimant 5 pour assurer le blocage des deux pignons 42,43. La première dent 61 et la deuxième dent 62 du levier de blocage 6 appartiennent fictivement à un troisième pignon.It is observed that it is advantageous to use two pinions 42, 43 for blocking the connecting piece 4: the blocking forces cancel out to a large extent inside the system. As illustrated in figure 3 the sum of the sprocket locking force A and the pinion locking force B results in the blocking force C, which is minimized because of the opposite directions of the blocking forces A and B. C is this blocking force C which must be taken up by the electromagnet 5 to ensure the locking of the two gears 42,43. The first tooth 61 and the second tooth 62 of the locking lever 6 belong fictitiously to a third pinion.

Il est possible de régler la valeur de l'effort de blocage C en jouant sur les rayons de courbure des pignons 42,43 et du pignon fictif constitué par le levier de blocage 6, ou de manière équivalente, en jouant sur le nombre de dents des pignons 42,43 et du pignon fictif constitué par le levier de blocage 6. En effet, on préfère avoir un effort de blocage C pas trop élevé, pour ne pas devoir envoyer trop de courant dans l'électroaimant 5 pour réaliser le blocage, mais en même temps suffisamment important pour que le levier de blocage 6 puisse s'échapper facilement et ne reste pas coincé dans les pignons 42,43 lors de l'arrêt de l'alimentation électrique de l'électroaimant 5.It is possible to adjust the value of the locking force C by acting on the radii of curvature of the pinions 42, 43 and the dummy pinion formed by the locking lever 6, or in an equivalent manner, by varying the number of teeth gears 42,43 and the dummy pinion formed by the locking lever 6. Indeed, it is preferred to have a C locking force not too high, not to have to send too much current in the electromagnet 5 to achieve the blocking, but at the same time important enough that the locking lever 6 can easily escape and does not remain stuck in the pinions 42,43 when stopping the power supply of the electromagnet 5.

A cet effet, et à titre d'exemple, le rapport entre le rayon de courbure de la zone courbe circulaire 64 reliant les deux dents 61,62 sur le rayon de la première et de la deuxième roue dentée pourra être avantageusement compris entre 5 et 15.For this purpose, and by way of example, the ratio between the radius of curvature of the circular curved zone 64 connecting the two teeth 61, 62 on the radius of the first and second gear wheel can be advantageously between 5 and 15.

Tel qu'illustré à la figure 4, la première dent 61 et la deuxième dent 62 du levier de blocage 6 sont avantageusement plus larges que les roues des dents des pignons 42,43 pour limiter leur usure. Il est à noter qu'aussi bien le pignon 42 que le pignon 43 peuvent comporter une zone de réception 7 de l'élément 44 de transmission du mouvement de rotation de la pièce de liaison 4 à la serrure, suivant le sens de rotation que l'on veut transmettre à la serrure. On peut ainsi choisir entre un fonctionnement dit « main droite » et un fonctionnement dit « main gauche » de la plaque de poussée 2.As illustrated in figure 4 , the first tooth 61 and the second tooth 62 of the locking lever 6 are advantageously wider than the wheels of the teeth of the pinions 42,43 to limit their wear. It should be noted that both the pinion 42 and the pinion 43 may comprise a receiving zone 7 of the element 44 for transmitting the rotational movement of the connecting piece 4 to the lock, according to the direction of rotation that the we want to transmit to the lock. One can thus choose between a so-called "right hand" operation and a so-called "left hand" operation of the thrust plate 2.

La figure 5 illustre est une vue générale fermée du dispositif 1, le dispositif 1 étant recouvert d'une enveloppe 8.The figure 5 illustrates is a closed general view of the device 1, the device 1 being covered with a casing 8.

Dans un mode de réalisation permettant de résister aux chocs et aux surcharges, tel qu'illustré aux figures 6 à 10, le dispositif 1 comprend à l'intérieur de la plaque de poussée 2 deux cames 9,10 et un ressort 11. Les deux cames 9,10 et le ressort 11 sont par exemples disposés dans un logement cylindrique de la plaque 2, la plaque 2 comprenant deux logements cylindriques de ce type disposés de part et d'autre des pignons coniques 21.In an embodiment for resisting shocks and overloads, as illustrated in FIGS. Figures 6 to 10 , the device 1 comprises inside the thrust plate 2 two cams 9, 10 and a spring 11. The two cams 9, 10 and the spring 11 are for example arranged in a cylindrical housing of the plate 2, the plate 2 comprising two cylindrical housings of this type arranged on either side of the bevel gears 21.

La plaque de poussée 2 étant montée à rotation sur un axe 12, la première came 9 (figure 8) est liée à la plaque 2 via une goupille 13. La deuxième came 10 est reliée à l'axe 12 à l'aide d'un méplat 101 (figure 7) qui est en appui sur un méplat 121 correspondant de l'axe 12 (figure 9) de manière à bloquer en rotation la deuxième came 10. La première came 9 est emboîtée dans la deuxième came 10.With the thrust plate 2 being rotatably mounted on an axis 12, the first cam 9 ( figure 8 ) is connected to the plate 2 via a pin 13. The second cam 10 is connected to the axis 12 by means of a flat part 101 ( figure 7 ) which bears on a flat 121 corresponding to the axis 12 ( figure 9 ) so as to lock in rotation the second cam 10. The first cam 9 is nested in the second cam 10.

Lorsque la plaque 2 est actionnée en rotation, la première came 9 est entraînée. Par suite, la deuxième came 10, qui est emboîtée dans la première came 9, est à son tour entraînée, ainsi que l'axe 12 qui est solidaire de la deuxième came 10.When the plate 2 is actuated in rotation, the first cam 9 is driven. As a result, the second cam 10, which is nested in the first cam 9, is in turn driven, as well as the axis 12 which is integral with the second cam 10.

Lors du blocage de l'électroaimant 5, les pignons 42,43 sont bloqués, et par suite les pignons coniques 41,21 également. Le blocage des pignons coniques 21 entraîne le blocage de l'axe 12, puis le blocage de la deuxième came 10, puisqu'elle est solidaire de l'axe 12, ce qui provoque le blocage de la première came 9 qui est emboîtée dans la deuxième came 10. Le ressort 11 maintient en appui les cames 9,10 l'une sur l'autre. Si on applique alors un effort sur la plaque 2, on fait tourner la première came 9 qui va forcer sur la deuxième came 10. L'axe 12 étant bloqué, la rotation de la première came 9 va entraîner la translation de la deuxième came 10 grâce aux méplats 101,121 en contact. Le recul de la deuxième came 10 s'appuie contre le ressort 11 (figure 10). On débraye ainsi la plaque de poussée 2 du reste du système. En cas de forte charge, les deux cames 9,10 peuvent donc glisser l'une sur l'autre et permettre le mouvement de la plaque 2 sans solliciter les dentures 42,43 et l'électroaimant de blocage 5.When locking the electromagnet 5, the pinions 42,43 are blocked, and consequently the bevel gears 41,21 also. The locking of the bevel gears 21 causes the locking of the shaft 12, then the locking of the second cam 10, since it is integral with the axis 12, which causes the locking of the first cam 9 which is nested in the second cam 10. The spring 11 maintains the cams 9,10 on top of each other. If then a force is applied to the plate 2, the first cam 9 is forced to force on the second cam 10. The axis 12 is blocked, the rotation of the first cam 9 will cause the translation of the second cam 10 thanks to the 101,121 flats in contact. The recoil of the second cam 10 bears against the spring 11 ( figure 10 ). This disengages the thrust plate 2 from the rest of the system. In the event of a heavy load, the two cams 9, 10 can thus slide on one another and allow the movement of the plate 2 without soliciting the teeth 42, 43 and the blocking electromagnet 5.

Claims (13)

  1. A device (1) for actuating a door with electric locking, comprising an actuating member (2) mounted rotating on an axis (12) of the device (1), the actuating member (2) being able to actuate the rotation, via a gear (21, 41), a connecting piece (4), said connecting piece transmitting the rotational movement to a lock, the device (1) being provided with a locking system comprising:
    - a first gear wheel (42), arranged on a part (45) of the connecting piece (4) that meshes with the actuating member (2), and having the same axis as said part (45),
    - a second gear wheel (43) meshing with the first gear wheel (42),
    - a blocking lever (6), provided with a first tooth (61) meshing with the first gear wheel (42) and a second tooth (62) meshing with the second gear wheel (43), the blocking lever (6) further being provided with a surface (63) able to be magnetized, and
    - an electromagnet (5) able to magnetize said surface (63) under the action of the electric current, so as to block the blocking lever (6) and the connecting piece (4) via the first (61) and second (62) tooth of the blocking lever (6).
  2. The device (1) according to claim 1, characterized in that the actuating member (2) is a strike plate or a handle.
  3. The device (1) according to claim 1 or 2, characterized in that the part (45) of the connecting piece (4) that meshes with the actuating member (2) has an axis orthogonal to the rotation axis (12) of the actuating member (2).
  4. The device (1) according to claim 3, characterized in that the gear (21, 41) comprises a first conical pinion (21), secured to the actuating member (2) and meshing with a conical pinion (41) secured to the connecting piece (4), said first conical pinion (21) allowing the rotation of the actuating piece (2) to be transmitted to the connecting piece (4).
  5. The device (1) according to claim 4, characterized in that the gear (21, 41) further comprises a second conical pinion (21), having the same axis as the first conical pinion (21), the second conical pinion (21) rotating freely and facing the first conical pinion (21).
  6. The device (1) according to claim 5, characterized in that the connecting piece (4) comprises, at one of the ends, the conical pinion (41) meshing with the first and second conical pinions (21).
  7. The device (1) according to one of claims 1 to 6, characterized in that the connecting piece (4) comprises, at its end remote from the actuating member (2), a transmission element (44) intended to transmit rotational movements of the connecting piece (4) to a lock, the transmission element (44) being connected to the first (42) or second (43) gearwheel.
  8. The device (1) according to one of claims 1 to 7, characterized in that the first tooth (61) and the second tooth (62) are arranged on a circular portion of the blocking lever (6).
  9. The device (1) according to one of claims 1 to 8, characterized in that the first gear wheel (42) and the second gear wheel (43) have the same radius and include the same number of teeth.
  10. The device (1) according to claim 9 in connection with claim 8, characterized in that the ratio of the curve radius of the circular portion (64) of the blocking lever (6) to the radius of the first (42) and second (43) gear wheel is chosen such that the sum (C) of the blocking force (A) of the first gear wheel (42) and the blocking force (B) of the second gear wheel (43) is sufficient to allow the blocking lever (6) to escape and not to remain jammed in the first (42) and second (43) gear wheel when the power supply of the electromagnet (5) is stopped.
  11. The device (1) according to one of claims 1 to 10, characterized in that the blocking lever (6) is mounted rotating on the support (3) of the device (1), in the same plane as the first (42) and second (43) gear wheel.
  12. The device (1) according to one of claims 1 to 11, characterized in that the actuating member (2) comprises a first cam (9) secured to the actuating member (2), a second cam (10) nested in the first cam (9) and secured to the axis (12), the second cam (10) bearing against a return element (11), such that in case of blocking of the system by the electromagnet (5), a rotation of the actuating member (2) drives a rotation of the first cam (9), then a translation of the second cam (10) against a return element (11), without stressing the gear (21, 41) and the electromagnet (5).
  13. The device (1) according to claim 12, characterized in that the second cam (10) is secured to the axis (12) via a flat (101) of the second cam (10) associated with a flat (121) of the axis (12).
EP15186175.4A 2014-10-30 2015-09-22 Door actuating device with electric locking Active EP3023562B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1460462A FR3027936B1 (en) 2014-10-30 2014-10-30 ELECTRIC LOCKING DOOR MANEUVER DEVICE

Publications (2)

Publication Number Publication Date
EP3023562A1 EP3023562A1 (en) 2016-05-25
EP3023562B1 true EP3023562B1 (en) 2017-10-25

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Application Number Title Priority Date Filing Date
EP15186175.4A Active EP3023562B1 (en) 2014-10-30 2015-09-22 Door actuating device with electric locking

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EP (1) EP3023562B1 (en)
ES (1) ES2654175T3 (en)
FR (1) FR3027936B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2021221534A1 (en) * 2021-08-24 2023-03-16 AMS Australia Pty Ltd Dual lock actuator

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1611838A (en) * 1925-04-18 1926-12-21 Roman H Malicki Lock structure
GB921594A (en) * 1961-02-02 1963-03-20 Evered & Co Ltd Improvements in and relating to door latches
GB2139689A (en) * 1983-05-13 1984-11-14 Philips Electronic Associated Electronic lock
FI107557B (en) * 1998-09-04 2001-08-31 Exit Painike Ky The mechanism that transmits the key or button movement of the lock catch and its use
DE10033083A1 (en) * 2000-07-07 2002-01-17 Fliether Karl Gmbh & Co Electromotive drive for a lock
FR2968335B1 (en) * 2010-12-02 2013-01-11 Sotralu LOCKING / UNLOCKING DEVICE FOR OPENING AND OPENING EQUIPPED WITH SUCH A DEVICE

Non-Patent Citations (1)

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

Publication number Publication date
FR3027936B1 (en) 2016-11-11
EP3023562A1 (en) 2016-05-25
ES2654175T3 (en) 2018-02-12
FR3027936A1 (en) 2016-05-06

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