EP3736400B1 - Dispositif de déverrouillage à entraînement automatique - Google Patents

Dispositif de déverrouillage à entraînement automatique Download PDF

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Publication number
EP3736400B1
EP3736400B1 EP20172016.6A EP20172016A EP3736400B1 EP 3736400 B1 EP3736400 B1 EP 3736400B1 EP 20172016 A EP20172016 A EP 20172016A EP 3736400 B1 EP3736400 B1 EP 3736400B1
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EP
European Patent Office
Prior art keywords
transmission part
unlocking device
force transmission
drive
connecting rod
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
EP20172016.6A
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German (de)
English (en)
Other versions
EP3736400A1 (fr
Inventor
Christoph Wallner
Michael Rossmann
Markus Hußmann
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.)
Bsw Security AG
Original Assignee
Bsw Security AG
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
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Application filed by Bsw Security AG filed Critical Bsw Security AG
Publication of EP3736400A1 publication Critical patent/EP3736400A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors
    • E05B65/1046—Panic bars
    • 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
    • E05B65/108—Electronically controlled emergency exits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions

Definitions

  • the invention relates to an unlocking device for a door or a gate, with a power transmission part that can be adjusted in the longitudinal direction of the unlocking device and can act on a lock and unlock it, and an actuating element that can adjust the power transmission part by means of at least one gear, and a Drive that can adjust the power transmission part, the drive having a rotary motor and a drive gear with at least one rotary element, and the drive gear translating the rotary movement of the rotary motor into a linear movement of the power transmission part.
  • unlocking devices are known and are used in particular on doors that have to meet requirements for escape from a building.
  • the unlocking devices usually have an elongated housing with a push rod as an actuating element, which usually extends over the entire width of the door or gate.
  • the push rod can be pressed into the housing via the gear in order to unlock the lock by means of the power transmission part.
  • An uncoordinated movement against the door with the unlocking device arranged on it, as in the case of a panicked escape, also leads to the unlocking and opening of the door.
  • Such unlocking devices with an integrated lock are known, in which case no lock is arranged in the door leaf itself and in embodiments which interact with a lock built into the door.
  • it is known to provide a drive in the unlocking device which can adjust the force transmission part the drive having a rotary motor and a drive gear with at least one rotary element, and the drive gear converting the rotary movement of the rotary motor into a linear movement of the force transmission part.
  • unlocking devices of this type which interact with a door lock
  • the automatic drive is implemented on the lock side and a motor lock is installed in the door.
  • the disadvantage here is that both the unlocking device and the motorized lock are comparatively expensive. It is fundamentally disadvantageous to provide a separate functional component for each desired function on the door. If an existing lock without a drive is to be replaced by a motor lock, the unlocking device may also have to be replaced. If necessary, unlocking devices suitable for both normal locks and motorized locks must be provided by the manufacturer.
  • the object of the invention is therefore to provide an unlocking device with a simple, compact drive.
  • the drive gear has at least one connecting rod on, which acts on the power transmission part and is rotatably mounted at a coupling point on the rotary element.
  • the course of force to be applied by the drive to the force transmission part for unlocking is not linear over the unlocking process.
  • the lock is usually opened against a return spring that creates progressive resistance.
  • a gear is often arranged between the lock and the force transmission part, which also has a non-linear course of force when converting the linear movement of the force transmission part into a rotary movement of a part of the lock. The total force that has to be transmitted from the force transmission part to the lock is therefore increasing over the unlocking process.
  • a design according to the invention can provide such an increasing force with a constant load on the rotary motor by means of the connecting rod, because its alignment with the force transmission part or the angle between the longitudinal axis of the connecting rod and the axis of movement of the force transmission part changes during unlocking in such a way that the transmission ratio between the rotary motor and Power transmission part changed.
  • the axis of rotation of the rotary element, to which the connecting rod is coupled on the input side is orthogonal to the axis of movement of the linear movement of the power transmission part, on which the output-side end of the connecting rod engages.
  • the setting angle between the connecting line between the center point of the rotary element and the coupling point and the axis of movement of the force transmission part thus changes during unlocking.
  • the connecting rod is therefore pivoted. In an initial position, the above-described adjustment angle can be approximately 90°, from where the rotary element is rotated to an adjustment angle of 0° for unlocking. A rotation of the rotary element by more than 90° is then not provided.
  • the transmission ratio is the ratio v K / ⁇ R of the movement speed v K of the power transmission part to the angular speed ⁇ R of the rotating part when the parts are in motion.
  • the engine power is the same generates a greater force on the power transmission part.
  • a greater force can thus advantageously act on the force transmission part during the course of the unlocking process, with the engine output remaining the same.
  • the rotary motor can thus advantageously be of small design, arranged in a compact manner and loaded almost uniformly over the entire unlocking process.
  • the connecting rod can be attached to a wheel, in particular a gear wheel, at a coupling point spaced from the rotatably mounted center point of the wheel, with the center point of the wheel being able to be located near and particularly preferably on the movement axis of the power transmission part.
  • the connecting rod acts on the force-transmitting part at a point which is particularly preferably on its axis of movement.
  • the wheel can then be in a position in which the coupling point is at a maximum distance from the movement axis of the force transmission part.
  • the angle between the connecting rod and the direction of movement of the force transmission part is then at a maximum, so that the proportion of force which the connecting rod transmits in the direction of movement of the force transmission part is minimal.
  • the distance between the coupling point and a point of application of the connecting rod on the force transmission part changes when the force transmission part is adjusted by means of the drive transversely to the longitudinal direction of the unlocking device, so that the force transmitted to the force transmission part changes over the adjustment path of the rotation element changed.
  • this force increases because the proportion of force in the direction of movement of the force transmission part increases as the angle decreases.
  • the drive can be attached to a housing of the unlocking device, but it can also be attached to the power transmission part.
  • the connecting rod can act on the power transmission part, for example on a pin formed on this, in order to adjust it while the drive is supported against the housing.
  • the connecting rod can act on the housing or on a part connected thereto, for example on a pin formed on the housing, and the drive is adjusted together with the power transmission part.
  • a corresponding freewheel should be provided between the rotary motor and the power transmission part.
  • a freewheel can be provided at any point in the drive gear between the rotary motor and the power transmission part.
  • a connecting rod which acts on a pin it is preferable for the freewheel to be provided between these parts and for the connecting rod and pin to be able to move freely in relation to one another.
  • the connecting rod can have a recess, in particular a slot, in which the pin can move without exerting a force on the connecting rod or without moving the connecting rod in such a way that it works against a resistance of the drive gear and the rotary motor must perform.
  • a user only has to apply the force required to unlock the door to the actuating element. In the other direction, in which the connecting rod acts on the force transmission part when the drive is actuated, there must be a coupling.
  • the drive gear has a plurality of rotating elements.
  • the drive mechanism can be a gear mechanism.
  • a particularly favorable translation can advantageously be set in this way, so that the rotary motor can be designed as small as possible.
  • the rotary motor and the drive gear can then be accommodated in a small space and made very compact.
  • gear wheels shafts, levers, spindles or worms with worm gears are also possible as rotating elements.
  • the drive gear has a plurality of different rotating elements, such as a motor shaft and at least one gear wheel that is driven by the motor shaft.
  • the selection of the rotating elements and the precise design of the gear mechanism depends largely on the force required on the force transmission part and on the geometry of the unlocking device and can be adjusted accordingly for different unlocking devices.
  • An electric motor is particularly suitable as the rotary motor, since it can be made very small.
  • a blocking device which can act on the force transmission part, is also arranged on the force transmission part in addition to the drive.
  • the door can be locked against unauthorized use by the locking device, while the door can be unlocked automatically by the drive, for example to allow access from the outside for a short time.
  • Such an unlocking device can then be used on a door that must be locked in everyday life, must be able to be escaped from the inside and cannot be operated from the outside via an actuating element, but must be able to be unlocked for opening from the outside as part of an access system.
  • no further functional components then have to be arranged and/or installed on the door in addition to the unlocking device.
  • figure 1 shows an unlocking device 1 with a housing 2 and an actuating element 3 in the form of a push rod. Furthermore, the unlocking device 1 has end caps 4, each with a stationary lower part 4a formed on the housing 2 and an upper part 4b which can be moved together with the actuating element 3. The actuating element and the upper parts 4b of the end caps 4 can be pushed into the housing 2 to unlock a door (not shown).
  • a gear 5 is arranged inside the unlocking device 1, by means of which the movement of an actuating element 3 (not shown) when pressed into the housing 2 is transmitted to a force transmission part 6, which can move in the longitudinal direction LR of the unlocking device 1 and acts directly or indirectly on a lock, such as a lock follower, to unlock the lock.
  • the power transmission part 6 also couples the gear 5 shown to another, not shown, similar gear 5 on the not shown in figure 2 shown side of the unlocking device 1, which also carries the actuating element 3 and connects it to the power transmission part 6.
  • a drive 7 acts on the force transmission part 6 and has a connecting rod 8 which acts on a pin 9 which is fastened to the force transmission part 6 is, for example by means of screws 10.
  • the connecting rod 8 also has a slot 11, by means of which the drive 7 and the force transmission part 6 are decoupled from one another.
  • the power transmission part 6 can be adjusted in the longitudinal direction LR by means of the drive 7 , with the gears 5 also being actuated if they are firmly connected to the power transmission part 6 , so that the actuating element 3 is drawn into the housing 2 .
  • the force transmission part 6 can move freely in relation to the drive 7 in the longitudinal direction LR.
  • the pin 9 then slides along in the slot 11 without subjecting the connecting rod 8 to a tensile force.
  • the connecting rod 8 is only twisted.
  • FIG. 3 shows the starting position that drive 7 and force transmission part 6 assume when actuating element 3 is not pressed in and drive 7 is not actuated.
  • figure 4 shows the position that the drive 7 and power transmission part 6 assume when the power transmission part 6 has been adjusted by means of the drive 7 in the longitudinal direction LR in order to unlock the lock.
  • figure 5 shows the position in which the drive 7 and the power transmission part 6 are located when the operating element 3 is actuated manually, but the drive 7 is not actuated.
  • the drive 7 has a rotary motor 12 and a drive gear 13, which includes the motor shaft 13a and a plurality of gears 13b, 13c, 13d and 13e.
  • the connecting rod 8 is rotatably mounted on the gear 13e at a coupling point KP, which is spaced apart from the center point M of the gear 13e.
  • the center point M of the gear wheel 13e intersects the movement axis BA of the power transmission part 6.
  • the connecting rod 8 also acts on the power transmission part 6 at a point of application AP, which is formed by the pin 9.
  • the rotary motor 12 turns the motor shaft 13a, the motor shaft 13a turning the gear wheels 13b, 13c, 13d and 13e of the drive gear 13 is moved, whereupon the coupling point KP of the connecting rod 8 on the gear wheel 13e is rotated.
  • the rotation of the gear wheel 13e changes the angle ⁇ between the longitudinal axis PA of the connecting rod 8 and the movement axis BA of the power transmission part 6.
  • the transmission ratio therefore decreases, as is also the case in figure 6 is shown in a diagram.
  • the inside figure 6 plotted angle of rotation is the angle of rotation of the gear 13e, the starting position according to figure 3 corresponds to 0° and the position according to figure 4 90°.
  • the distance A between the coupling point KP and the point of application AP decreases during unlocking.
  • the coupling point KP moves in the transverse direction QR towards the point of application AP, with the connecting rod 8 being twisted.
  • the rotary motor 12 has a connection unit 14 to which power and signal lines can be connected.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lock And Its Accessories (AREA)

Claims (18)

  1. Dispositif de déverrouillage (1) pour une porte ou un portail, ledit dispositif comprenant une partie de transmission de force (6) qui peut être déplacée dans la direction longitudinale (LR) du dispositif de déverrouillage (1) et ainsi agir sur une serrure et déverrouiller celle-ci, ainsi qu'un élément d'actionnement (3) qui peut déplacer la partie de transmission de force (6) au moyen d'au moins une transmission (5), et un entraînement (7) qui peut déplacer la partie de transmission de force (6), l'entraînement (7) comportant un moteur rotatif (12) et une transmission d'entraînement (13) pourvue d'au moins un élément de rotation (13a, 13b, 13c, 13d, 13e), la transmission d'entraînement (13) transformant le mouvement de rotation du moteur rotatif (12) en un mouvement linéaire de la partie de transmission de force (6), caractérisé en ce que la transmission d'entraînement (13) comporte au moins une bielle (8) qui agit sur la partie de transmission de force (6) et qui est montée sur l'élément de rotation (13a, 13b, 13c, 13d, 13e) de manière rotative en un point d'accouplement (KP).
  2. Dispositif de déverrouillage (1) selon la revendication 1, caractérisé en ce que la distance du point d'accouplement (KP) à un point d'application (AP) de la bielle (8) sur la partie de transmission de force (6) varie transversalement à la direction longitudinale (LR) du dispositif de déverrouillage (1) lors du déplacement de la partie de transmission de force (6) au moyen de l'entraînement (7) de sorte que la force transférée à la partie de transmission de force (6) varie sur la course de déplacement de l'élément de rotation (13a, 13b, 13c, 13d, 13e).
  3. Dispositif de déverrouillage (1) selon la revendication 1 ou 2, caractérisé en ce que l'entraînement (7) est fixé sur un boîtier du dispositif de déverrouillage (1).
  4. Dispositif de déverrouillage (1) selon la revendication 1 ou 2, caractérisé en ce que l'entraînement (7) est fixé à la partie de transmission de force (6).
  5. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu entre le moteur rotatif (12) et la partie de transmission de force (6) une roue libre au moyen de laquelle la partie de transmission de force (6) peut se déplacer librement par rapport à l'entraînement (7).
  6. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce que la bielle (8) s'engage côté sortie avec une tige (9) qui est disposée sur la partie de transmission de force (6) ou sur le boîtier (2) du dispositif de déverrouillage (1), la tige (9) et la bielle (8) pouvant se déplacer librement l'une par rapport à l'autre lorsque l'élément d'actionnement (3) est actionné.
  7. Dispositif de déverrouillage (1) selon la revendication 6, caractérisé en ce que la bielle (8) comporte un évidement (11) dans lequel s'engage la tige (9).
  8. Dispositif de déverrouillage (1) selon la revendication 7, caractérisé en ce que l'évidement (11) est un trou oblong.
  9. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce que la transmission d'entraînement (13) comporte une pluralité d'éléments de rotation (13a, 13b, 13c, 13d, 13e).
  10. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce qu'au moins un élément de rotation (13a, 13b, 13c, 13d, 13e) est une roue dentée.
  11. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce que l'entraînement (7) comporte une pluralité d'éléments de rotation différents (13a, 13b, 13c, 13d, 13e) qui coopèrent entre eux, notamment au moins une roue dentée et au moins un arbre.
  12. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce que l'axe de rotation d'au moins un élément de rotation (13a, 13b, 13c, 13d, 13e), auquel la bielle (8) est reliée, coupe l'axe de déplacement (BA) de la partie de transmission de force (6).
  13. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce que la bielle (8) est montée de manière rotative sur un élément de rotation (13a, 13b, 13c, 13d, 13e) à distance de l'axe de rotation de celui-ci.
  14. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce que le moteur rotatif (12) est un moteur électrique.
  15. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce qu'un dispositif de blocage, qui peut agir sur la partie de transmission de force (6), est disposé sur la partie de transmission de force (6).
  16. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce que la partie de transmission de force (6) est déplaçable au moyen de l'entraînement (7) afin de déverrouiller une serrure et notamment d'ouvrir la porte ou le portail.
  17. Dispositif de déverrouillage (1) selon l'une des revendications précédentes, caractérisé en ce qu'un angle de déplacement formé entre la ligne de liaison, située entre le point d'accouplement (KP) et un point central (M), et l'axe de déplacement (BA) de la partie de transmission de force (6) est compris dans une position initiale entre 60 et 110°, en particulier entre 80 et 90°, de manière particulièrement préférée est d'environ 90°, et dans une position maximale de 0°.
  18. Dispositif de déverrouillage (1) selon la revendication 17, caractérisé en ce que, dans la position initiale, la partie de transmission de force (6) n'est pas déplacée par l'entraînement (7) et, dans la position maximale, la partie de transmission de force (6) est déplacée au maximum par l'entraînement (7) et, dans position maximale, la serrure est déverrouillée.
EP20172016.6A 2019-05-07 2020-04-29 Dispositif de déverrouillage à entraînement automatique Active EP3736400B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019111870.0A DE102019111870A1 (de) 2019-05-07 2019-05-07 Entriegelungsvorrichtung mit automatischem Antrieb

Publications (2)

Publication Number Publication Date
EP3736400A1 EP3736400A1 (fr) 2020-11-11
EP3736400B1 true EP3736400B1 (fr) 2022-01-19

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ID=70476127

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EP20172016.6A Active EP3736400B1 (fr) 2019-05-07 2020-04-29 Dispositif de déverrouillage à entraînement automatique

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EP (1) EP3736400B1 (fr)
DE (1) DE102019111870A1 (fr)
ES (1) ES2909620T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3127619A1 (fr) * 2019-01-28 2020-08-06 Sargent Manufacturing Company Verrouillage universel et retraction de verrou electronique
WO2022169869A1 (fr) * 2021-02-04 2022-08-11 Assa Abloy Access And Egress Hardware Group, Inc. Mécanisme de rétraction de verrou électronique universel

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785286A (en) 1986-01-31 1988-11-15 Martin Frank J Alarm unit for panic bar type door operator
US4976479A (en) 1989-02-27 1990-12-11 Lunn Lawrence M Doorstop
DE10207630A1 (de) 2002-02-22 2003-09-11 Mehmet Sancak Schloss mit Fernbetätigung
DE102006024685A1 (de) 2005-05-29 2007-02-08 Southco, Inc. Elektromechanisches, durch Drücken verschließbares Schloss
EP2141311A1 (fr) 2008-07-02 2010-01-06 Ojmar S.A. Module de blocage électronique pour systèmes de fermeture
US20110047874A1 (en) 2009-08-27 2011-03-03 Sargent Manufacturing Company Door hardware drive mechanism with sensor
US20150137528A1 (en) 2008-11-17 2015-05-21 1 Adolfo, Llc Electric latch retraction push-bar device
EP3219886A1 (fr) 2016-03-15 2017-09-20 ASSA ABLOY Sicherheitstechnik GmbH Barre de poussée comprenant un dispositif d'entraînement
GB2550281A (en) 2016-04-08 2017-11-15 Hanchett Entry Systems Inc Electrified exit device
DE102017100731A1 (de) 2017-01-16 2018-07-19 Eco Schulte Gmbh & Co. Kg Entriegelungsvorrichtung zum Öffnen einer Tür mit einem Panikschloss, insbesondere ein Touchbar, mit einem Antrieb zum automatischen Öffnen des Panikschlosses

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
FR2668790B1 (fr) * 1990-11-05 1993-07-30 Chauvat Sofranq Dispositif de fermeture anti-panique controle.
CN103547755B (zh) * 2011-05-16 2016-03-23 消防与安防五金有限公司 一种锁定装置
DE102016104773A1 (de) * 2016-03-15 2017-09-21 Assa Abloy Sicherheitstechnik Gmbh Anti-Panikdruckstange mit modularer Antriebseinrichtung

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4785286A (en) 1986-01-31 1988-11-15 Martin Frank J Alarm unit for panic bar type door operator
US4976479A (en) 1989-02-27 1990-12-11 Lunn Lawrence M Doorstop
DE10207630A1 (de) 2002-02-22 2003-09-11 Mehmet Sancak Schloss mit Fernbetätigung
DE102006024685A1 (de) 2005-05-29 2007-02-08 Southco, Inc. Elektromechanisches, durch Drücken verschließbares Schloss
EP2141311A1 (fr) 2008-07-02 2010-01-06 Ojmar S.A. Module de blocage électronique pour systèmes de fermeture
EP2141311B1 (fr) * 2008-07-02 2012-12-05 Ojmar S.A. Module de blocage électronique pour systèmes de fermeture
US20150137528A1 (en) 2008-11-17 2015-05-21 1 Adolfo, Llc Electric latch retraction push-bar device
US20110047874A1 (en) 2009-08-27 2011-03-03 Sargent Manufacturing Company Door hardware drive mechanism with sensor
EP3219886A1 (fr) 2016-03-15 2017-09-20 ASSA ABLOY Sicherheitstechnik GmbH Barre de poussée comprenant un dispositif d'entraînement
GB2550281A (en) 2016-04-08 2017-11-15 Hanchett Entry Systems Inc Electrified exit device
DE102017100731A1 (de) 2017-01-16 2018-07-19 Eco Schulte Gmbh & Co. Kg Entriegelungsvorrichtung zum Öffnen einer Tür mit einem Panikschloss, insbesondere ein Touchbar, mit einem Antrieb zum automatischen Öffnen des Panikschlosses

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Publication number Publication date
ES2909620T3 (es) 2022-05-09
DE102019111870A1 (de) 2020-11-12
EP3736400A1 (fr) 2020-11-11

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