EP0461013B1 - Schliessvorrichtung für Notausgang - Google Patents

Schliessvorrichtung für Notausgang Download PDF

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Publication number
EP0461013B1
EP0461013B1 EP91401432A EP91401432A EP0461013B1 EP 0461013 B1 EP0461013 B1 EP 0461013B1 EP 91401432 A EP91401432 A EP 91401432A EP 91401432 A EP91401432 A EP 91401432A EP 0461013 B1 EP0461013 B1 EP 0461013B1
Authority
EP
European Patent Office
Prior art keywords
locking
locking device
unlocking
bolt
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.)
Expired - Lifetime
Application number
EP91401432A
Other languages
English (en)
French (fr)
Other versions
EP0461013A1 (de
Inventor
Charles Laugery
Paul Mombelli
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.)
ICB LA SECURITE
Original Assignee
ICB LA SECURITE
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Filing date
Publication date
Application filed by ICB LA SECURITE filed Critical ICB LA SECURITE
Publication of EP0461013A1 publication Critical patent/EP0461013A1/de
Application granted granted Critical
Publication of EP0461013B1 publication Critical patent/EP0461013B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0086—Toggle levers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/0024—Cams
    • 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
    • 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
    • E05B47/0006—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a non-movable core; with permanent magnet
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/49—Toggle catches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/68—Keepers
    • Y10T292/696—With movable dog, catch or striker
    • Y10T292/699—Motor controlled

Definitions

  • the present invention relates generally to locking devices for emergency exits and more particularly to a device for locking an emergency exit comprising a door leaf mounted relative to a fixed wall, the locking device being able to have selectively for its unlocking a first operating mode in positive security in the presence of the public with remote control by power failure and a second operating mode with enhanced safety in the absence of the public, the locking device comprising a support plate fixed on the one of said elements constituted by said fixed wall and said door leaf defining the emergency exit, a bolt intended to cooperate with at least one wall element defining a keeper integral with the other of said elements constituted by said door leaf and said fixed wall, a means of locking the bolt, a means of controlling overhang connection of the locking means and a reinforced safety means for selectively inhibiting the operation of the unlocking control means.
  • the unlocking system of an emergency exit must, however, not only be able to be remote-controlled by a power failure but also be able to enter action even in the event that significant pressure is exerted on the door, for example by users panicking, when the intrinsic energy stored in the lock is released. This last condition is particularly difficult to obtain in a simple manner.
  • Locking products have already been proposed intended to ensure the locking of emergency exits while respecting safety regulations, these locking products being such that the door is held in place by a device which retracts upon switching off. of the supply current or when exerted on it forces greater than a predetermined value, for example of the order of 60 dN.
  • Such locking products respond well to the conditions of protection of persons, in that they can be easily unlocked in an emergency, but prove to be ineffective with regard to the protection of property. It is therefore often necessary to add additional locking devices to strengthen the inviolability of emergency exits, especially in the absence of an audience.
  • deadbolt locks moved by an electromagnet made in such a way that the energizing of the electromagnet propels a metal part which comes to come between the lock and its strike to oppose the opening of the door.
  • This same action simultaneously compresses a return spring responsible for bringing the bolt back into the body of the bolt when the power supply to the electromagnet is interrupted.
  • the solidity of the bolt fully satisfies the users, but there is no chance that the spring will unlock the door if pressure is applied to the leaf when it must act, which makes this system incompatible with the rules of security requiring that an unlocking of an emergency exit can be obtained even when significant pressure is exerted on the door.
  • panic bars There are also known safety devices adaptable to panic bars. Such devices introduce a delay in the action of the panic bar. When a user presses on a bar, this pressure does not act on the unlocking of the door, but triggers a time delay of a few seconds of duration and, simultaneously causes a remote alarm. If the user releases the bar, thinking that the door is locked, the timer resets to zero. If, on the other hand, it maintains its pressure throughout the duration of the time delay, the door unlocks at the end of this time delay. It should be noted that the panic bars, by the design of the locks on which they act, cannot be considered as high-security locking products.
  • the present invention aims to remedy the aforementioned drawbacks and to take into account all of the requirements indicated above, in order to provide an effective locking device which has very high security in the absence of the public and can however be easily unlocked.
  • a remote control by a simple power supply cut-off of the device, the change of state between operation in the presence of the public and operation in the absence of the public can be achieved in a simple way, and preferably remotely controlled manually or automatically.
  • a device for locking an emergency exit of the type mentioned at the head of the description and having the characteristics indicated in the preamble of claim 1 appended and which, according to the present invention, is characterized in that the bolt has a first portion comprising a stop means against said wall element defining a keeper for prevent relative movement between said door leaf and said fixed wall of the emergency exit and a second portion substantially perpendicular to said first portion and pivotally mounted about a bolt axis parallel to said first and second portions, the bolt cooperates with a withdrawal spring compressed in the closed position of the bolt, and with a locking piston guided by a guide piece in a direction perpendicular to said pivot axis to come to bring in locking position on the rear face of said second portion, the means locking device further comprises a first link pivoting about a first axis perpendicular to the direction of movement of said piston and to the bolt axis and having a fixed position relative to the support plate, and a second link articulated respectively around d '' a second and
  • the articulated assembly of the first and second links and of the locking piston comes to bear at the end of its travel on an eccentric pivoting stopper arranged so as to allow the links to slightly exceed the position of perfect alignment of the first, second and third axes and the creation of a small negative angle of the order of a few degrees between the first and second links in order to give the first and second links and the piston a stable equilibrium position.
  • the unlocking control means comprises an unlocking arm mounted to pivot about an axis parallel to said first, second and third axes, said arm being provided, on the one hand on the side of its free end, with '' a holding disc arranged so as to be pressed, in the locked position, on the active face of an electromagnetic lock, and, on the other hand, on the side of its articulation axis, a unlocking spring and an eccentric cam having a flat portion which, in unlocked position with positive safety , strikes the second link under the action of the unlocking spring during a cut in the electrical supply of the electromagnetic lock.
  • the unlocking arm further comprises a counterweight disposed in the vicinity of the free end of the arm in order to increase the striking force of the latter.
  • the locking device comprises an electric motor driving at least one reset cam cooperating with a reset mechanism and means for controlling a locking mechanism for placing the locking device respectively in the locking position and in an enhanced safety position.
  • the reset mechanism may include a reset lever and a reset button cooperating with a return spring and with the unlocking arm.
  • the locking mechanism may itself include a locking lever and a locking push button cooperating with a return spring and the first link.
  • the rearming mechanism can comprise a rearming lever and a rearming link articulated on the unlocking arm, while the locking mechanism can comprise a locking lever and a locking rod articulated on the first link.
  • the locking device may comprise a bearing bearing which exerts on the locking piston a back pressure to compensate for the lateral pressure caused by the action of the locking rod on the first rod.
  • the electric motor can comprise a worm screw coupled to its output axis, said screw being engaged with a drive pinion whose axis of rotation is common to that of the reset cam and to that of the means for controlling the locking mechanism constituted by a locking cam.
  • the locking device comprises a limit switch microswitch and a safety microswitch cooperating with elements synchronized with the movement of the reset and lock mechanisms as well as a reset micro switch and a lock microswitch signaling the position of the unlocking arm and the piston.
  • each locking device locking cycle all of the parts are first positioned in the safety position and then, if the safety command is not present, the parts continue to move to finally come to a standstill in the positive safety locking position in which the door is locked and unlocked by remote control cut-off of the supply current to the electromagnetic lock.
  • the locking device is mounted on said fixed wall and the bolt can be provided to cooperate simultaneously with two wall elements defining two strikes fixed on different leaves of said door leaf of said emergency exit, so as to allow locking simultaneous of the two leaves of the emergency exit.
  • Magnetic contacts actuated by magnets placed in the strikes can also be provided to signal the closed position of the door leaves.
  • the emergency exit lock according to the present invention which is preferably a lock controlled using an electric motor, can advantageously be placed at the top of a door, on the frame thereof, in order to be able to simultaneously lock the two leaves of an emergency exit with its bolt.
  • the lock can also be installed in any position as will be explained below, and can for example be used to lock a door with a single leaf.
  • FIGS. 1 to 3 is vertical and that the bolt 24 of the locking device is arranged downwards, as is the case when the locking device is arranged at the top of a relates to the frame of it.
  • the locking device comprises a support plate 19 fixed to the frame of the emergency exit.
  • a bolt 24 is articulated at the lower part of the plate 19 around a horizontal axis 25.
  • the bolt 24 in the form of a hook, or of a beak, comprises a first portion 24a intended to come into engagement in the cavities 27 of the keepers 28 fixed on the leaves of the door ( Figure 5), and a second portion 24b essentially perpendicular to the first portion 24a and pivotally mounted, at its part remote from the portion 24a, around a bolt axis 25 parallel to the first and second portions 24a, 24b and arranged horizontally according to the conventions previously indicated.
  • the first portion 24a of the bolt 24 has at least one flat face 24c which serves as a retaining stop inside the keepers 28 and obstructs the movement of the leaves of the door.
  • the bolt 24 cooperates with a withdrawal spring 26 disposed around the axis 25, and compressed in the closed position of the bolt 24.
  • the withdrawal movement of the piston 20 is prevented by a mechanism comprising a first link 15 pivoting about a first horizontal axis 18 perpendicular to the direction of movement of the piston 20 and to the bolt axis 25.
  • the pivot axis 18 of the first link 15 has a fixed position relative to the support plate 19.
  • a second link 17 is articulated around a movable axis 16 relative to the first link 15.
  • the second link 17 is also articulated around a third movable axis 22 relative to the locking piston 20.
  • the axes 18, 16 and 22 are mutually parallel and are substantially aligned in the axis of the piston 20 in the locking position of FIG. 1. In this locking position, an ejection spring 23 fixed between the articulation axes 18 and 22 is also bandaged.
  • the lower link 17 has an extension 17a which extends beyond the articulation axis 16 in the direction of the upper link 15.
  • the extension 17a of the lower link 17 is located in the locking position of the locking device. locking of FIG. 1, facing a cam 30 integral with a locking arm 7, and arranged around the pivot axis 50 of the locking arm 7.
  • the fixed axis 50 is itself parallel to the axes 18, 16 and 22.
  • the unlocking arm 7 cooperates itself with a unlocking spring 10 disposed around the axis 50, and further has, on the side of its free end, a disc of holding 8 which cooperates with an electromagnetic suction cup 9.
  • An electric motor 1 drives a cam train 2 comprising at least one reset cam 3 and a locking cam 11.
  • the reset cam 3 cooperates with a reset lever 4, the free end of which acts on a reset button 5 disposed horizontally and around which is wound a return spring 6.
  • the end of the reset button 5 opposite the reset lever 4 is intended to act on the unlocking arm 7.
  • the locking cam 11 cooperates with a locking lever 12, the free end of which acts on a locking plunger 13 around which a return spring 14 is wound.
  • the free end of the locking plunger 13 opposite the locking lever 12 is intended to act on the first upper link 15.
  • the pushers 5 and 13 can be arranged substantially in the same horizontal plane.
  • An example of an arrangement of the cams 3 and 11 and of the levers 4 and 12 with which they cooperate is shown in FIG. 6.
  • FIG. 6 also shows the presence of a positioning microswitch 31, of a safety microswitch 34 arranged respectively in the vicinity of a positioning cam 32 and a safety cam 33 which, together with the cams 3 and 11, form part of the cam train 2 driven by the electric motor 1.
  • the gear motor 1 powered by an electric control voltage, causes the rotation of the cam train.
  • the reset cam 3 thus pushes the reset lever 4 which in turn pushes the reset button 5 by compressing its return spring 6.
  • the free end of the reset button 5, opposite the reset lever 4 presses on the unlocking arm 7, and, at the end of its travel, causes the holding disc 8 fixed on the arm 7 to be pressed against the active face of the electromagnetic lock 9.
  • the electromagnetic suction cup fixed on the support plate 19 is supplied by a electrical voltage using a remote control, and when energized, maintains the unlocking arm 7 despite the effort of the unlocking spring 10.
  • the relocking cam 11 acts on the relocking lever which depresses the relocking pusher 13 and compresses its return spring 14.
  • the free end of the relocking pusher 13 presses the upper link 15, practically at its hinge pin 16 with the lower link 17.
  • the upper link 15 pivots about an upper axis 18 whose position is fixed relative to the support plate 19 and drives the lower link 17 in a movement which tends to close the angle which it formed in the unlocked position with it. ci (figure 2).
  • the angle between the two links 15 and 17 thus passes from a starting position of approximately 120 ° to a flat angle.
  • the lower link 17 is articulated with the locking piston 1 which is guided in the vertical direction by the guide piece 21.
  • the hinge pin 22 between the lower link 17 and the locking piston 20 therefore moves on a vertical passing through the fixed upper axis 18. The movement which realigns the two links simultaneously strips the ejection spring 23 placed beneath them.
  • the articulated assembly of the rods 15, 17 and of the locking piston 20 comes to bear at the end of its travel on an eccentric pivoting stop 29. This is adjusted to allow the assembly a slight movement of a few degrees from perfect alignment. This slight negative angle, combined with the action of the ejection spring 23, gives the three parts 15, 17, 20 a stable equilibrium position which they will retain after the withdrawal of the relocking pusher 13.
  • the locking or locking operation is completed when the unlocking arm 7 is glued by the disc 8 to the electromagnetic lock 9 and the three axes 18, 16 and 22 are aligned. In this position, a thrust exerted on the bolt 24 by the door will press on the alignment of the axes which will resist as a function of the solidity of the parts which make up the articulated assembly.
  • an unlocking operation takes place when an audience is present in the room equipped with the locking device according to the invention.
  • the unlocking or unlocking is carried out only by the action of an intrinsic energy (banded spring) and caused by a break in the supply current, in this case the supply current of the suction cup 9.
  • the shock caused by the force accumulated by the mass represented by the holding disc 8 fixed to the end of the unlocking arm 7 has a significant action on the breaking of the equilibrium position.
  • the ejection spring 23 then takes over and causes the closure of the angle between the two links 15 and 17.
  • the locking piston 20 rises under the pull of the links 15, 17 moved by the ejection spring 23. This causes the portion 24a of the bolt 24 to exit from the latching cavities 27 of the strikes 28 under the action of the withdrawal spring 26.
  • FIG. 3 itself represents the locking device in the safety position, that is to say for a negative safety operation outside the presence of the public in the room equipped with the locking device.
  • the locking device In the position of FIG. 3, the locking device is transformed into a burglar-resistant security lock which cannot cause unlocking, even if the electrical supply to the suction cup 9 is interrupted.
  • the action of the positioning cam 32 on the positioning microswitch 31 stopped the electric motor 1 after sufficient rotation to release the pushers 5 and 13 and allow them to return to their position of departure under the pressure of their return spring 6 and 14.
  • the safety position is obtained by a rotation of the motor 1 controlled by the action of the safety cam 33 on the safety microswitch 34.
  • the engine 1 stops so as to maintain the reset push-button 5 bearing on the unlocking arm 7 and the reset or relocking push-button 13 pressing on the upper link 15.
  • FIGS. 7 to 10 show a second embodiment of a locking device for an emergency exit, which is very similar in structure and operation to the first embodiment, but nevertheless presents some differences, in particular with regard to rearmament and sentencing mechanisms.
  • FIGS. 7 to 10 the elements identical to those already described with reference to FIGS. 1 to 6 bear the same reference numbers and will not be described again.
  • FIG. 7 it can be seen that a unlocking weight 63 has been fixed to the end of the unlocking arm 7, in order to increase the striking force of the unlocking arm 7, when the latter produces, by means of cam 30, one breaking action of the equilibrium position of the links 15 and 17.
  • FIGS. 7 to 9 also show the keepers 28 with which the bolt 24 cooperates, and one can see two magnetic contacts 38 arranged on the plate 19 opposite two magnets 39 placed in the keepers 28, in order to signal the closed position of the door leaves.
  • the electric motor 1 has an output axis which is coupled to an endless screw 52.
  • This screw 52 drives a drive pinion 53 whose axis of rotation constitutes the axis of the cams 54 and therefore constitutes a common axis for the resetting cam 55 and the locking cam 56.
  • the reset cam 55 cooperates with a reset lever 57 which is articulated with a reset link 58 itself articulated on the unlocking arm 7.
  • the locking cam 56 cooperates itself with a locking lever 64 which is articulated on a locking rod 65 which is itself articulated with the upper rod 15.
  • An end-of-travel microswitch 74 and a safety microswitch 75 are arranged in the vicinity of the cams 55, 56 and cooperate with pins placed on the drive pinion 53 to control the stopping of the electric motor 1 in predetermined positions.
  • FIG. 7 to describe the placing in the locking position of the locking device according to the variant of FIGS. 7 to 10.
  • the rotation of the motor 1 rotates the drive pinion 53 and the cams 55, 56.
  • the resetting cam 55 when rotating, presses on the resetting lever 57 which moves away from its rest position by pushing, by means of the resetting link 58, the unlocking arm 7.
  • the rotation of the arm unlocking 7 around its axis 50 compresses the unlocking spring 10 wound around the axis.
  • the holding disc 8 comes into contact with the active face of the electromagnetic lock 9. The latter, which is then energized, retains the holding disc 8 glued when the reset cam 55, continuing to rotate, releases the reset lever 57.
  • the locking cam 56 which has started to rotate at the same time as it starts, begins to press on the locking lever 64.
  • the latter via the locking rod 65, pushes the upper rod 15 at the level of the median articulation axis 16 with the lower rod 17.
  • the upper link 15 then pivots about the upper articulation axis 18 and drives the lower link 17 in a movement which tends to close the angle which it formed with it in the unlocked position.
  • the lower link 17 articulated with the locking piston 20, itself guided in the vertical direction by the guide piece 21 causes a downward movement of the piston 20.
  • the locking piston 20 is supported, by moving, on a ball bearing 51 which constitutes a bearing bearing exerting a back pressure to compensate for the lateral pressure caused by the action of the locking rod 65 on the upper rod 15.
  • the articulation axis 22 between the lower link 17 and the locking piston 20 moves on a vertical passing through the fixed upper articulation axis 18.
  • the articulated assembly of the rods and the locking piston 20 preferably comes to press at the end of its travel on an eccentric pivoting stop 29 which is arranged so as to allow the assembly to slightly exceed a few degrees from perfect alignment, in order to define a stable equilibrium position which will be maintained after removal of the locking cam 56.
  • FIG. 7 shows the locking device at the end of the locking operation, when the unlocking arm 7 is bonded by its plate 8 to the electromagnetic lock 9 and the three axes 18, 16 and 22 are substantially aligned.
  • FIG. 8 shows the locking device according to the second embodiment in a unlocked position, in positive security operation, that is to say in operation in the presence of the public in the room equipped with the locking device.
  • the suction cup 9 releases the unlocking arm 7 which, under the action of the unlocking spring 10 moves away from its holding position.
  • the unlocking eccentric 30, coupled to the axis 50 of the arm 57 strikes the lower link 17 and thus breaks the alignment of the three axes 18, 16 and 22.
  • the shock, caused by the force accumulated by the mass represented by the unlocking weight 63 fixed to the end of the unlocking arm 7 contributes to clearly and effectively breaking the equilibrium position of the connecting rods.
  • FIG. 9 shows the locking device according to the second embodiment placed in the safety position, that is to say in a negative safety operating position adapted to the absence of the public in the room equipped with the lock according to the 'invention.
  • the stopping of the motor 1 is caused by the action of a pin 40 (FIG. 10), placed on the drive pinion 53, on the limit switch 74.
  • FIGS. 11 to 14 relate to a third embodiment of a locking device for an emergency exit.
  • a spring 78 of the coil spring type has been placed between a fixed point situated on the side of the reset 57 and lock 64 levers and the unlocking arm 7.
  • the spring 78 can be substituted for the spring 10 of the embodiment of FIGS. 7 to 10 or added to it to reinforce the effectiveness of the unlocking which can thus be obtained not only by the effect of gravity on the arm of unlocking 7 but also by the action of return springs.
  • FIGS. 11 to 14 also shows that the electric motor 1 is arranged a little differently from the previous embodiment and allows the implementation of a reducer consisting of a set of pinions 80 placed at the output of the electric motor 1.
  • One of the pinions 80 is integral with the axis carrying the toothed wheel 53 which is no longer in direct engagement with the output of the motor 1, while the other pinion 80 is integral with the axis carrying the reset cam 55.
  • a torque limiter can be introduced for example into the pinion 80 integral with the axis carrying the reset cam 55 to mechanically protect the motor if the bolt 24 is blocked during locking.
  • a screw 79 is placed at the end of the axis of the motor 1 to allow a change of state controlled by a manual or electric tool, in the event that the motor 1 is faulty.
  • microswitches 74 and 75 are controlled by specific cams 82 and 83 respectively ( Figure 14) while in the embodiment of Figures 7 to 10 the microswitches 74 and 75 are controlled by cleats arranged on the toothed wheel 53.
  • the reset lever 57 is provided with a stopper 81 perpendicular to this lever 57, which stopper 81, during a reset operation, is housed in a notch 84 formed in the locking lever 64 to allow driving in rotation of this lever 64 by the reset lever 57.
  • the cleat 81 emerges from groove 84 so that the resetting lever 57, driven by the resetting cam 55 does not drive the locking lever 64.
  • Figures 16 and 17 show a first example of mounting of a locking device according to the invention, which is applicable to the various embodiments already described.
  • This first mounting example can be considered the most common and provides for an opening of the opening 90 of the door towards the plane of installation of the lock.
  • the body of the locking device is mounted vertically by the base plate 19 on the frame 91 of a door, while the keeper or keepers, of which only one wall actually cooperates with the face 24c of the portion 24a of the bolt 24 forming a stop, are mounted on the opening 90 of the door on the side situated towards the plate 19.
  • the pivot axis 25 of the bolt 24 is in this case disposed in an orifice 86 which is in a position relatively distant from the plate 19 of the locking device.
  • FIGS. 18 and 19 which constitutes an "opposite" arrangement
  • the opening of the door leaf 90 is carried out in a direction opposite to the plane of installation of the lock.
  • the locking device is again mounted vertically by the base plate 19 on the frame 91 of a door while the striker (s) are mounted on the leaf 90 of the door on the side opposite to the plate 19.
  • the axis 25 for pivoting the bolt 24 is in this case disposed in an orifice 85 which is in a position close to the plate 19, the curved portion 24a of the bolt 24 then being itself disposed on the side opposite to the plate 19 relative to the pivot axis 25 whereas in the embodiment of FIGS. 16 and 17 the curved portion 24a was precisely arranged between the pivot axis 25 and the plate 19.
  • Figures 20A and 20B show yet another possible mounting example of a locking device according to the invention.
  • FIG. 20A and 20B shows the establishment of the locking device by fixing the base plate 19 on a horizontal ceiling 92 located above the opening 90 of a door.
  • the bolt 24 which pivots around a horizontal pivot axis 25 placed for example in an orifice 86 relatively distant from the plate 19, has a specific shape.
  • the bolt 24 of the locking device adapted to the assembly of FIGS. 20A and 20B clearly presents, as in the various embodiments already described, a second portion cooperating with a locking piston 20 and pivotally mounted relative to a horizontal pivot axis 25 , as well as a first portion 24a essentially perpendicular to the second portion 24b.
  • the pivot axis 25 is placed in a zone of junction between the first and second portions 24a, 24b of the bolt 24, and not in a zone remote from the first portion 24a.
  • the first portion 24a is extended by a third portion 24d which is substantially perpendicular to the first portion 24a and parallel to the second portion 24b, but directed in the opposite direction to the latter.
  • the third portion 24d of the bolt 24 directed downwards has a flat face 24c which constitutes the stop cooperating with the leaf 90 of a door.
  • an inclined wall connects the first portion 24a to the second portion 24b so as to create in the latch 24 a mechanically reinforced central area.
  • the locking device was mounted by its plate 19 on a fixed wall 91, 92 located in the vicinity of the opening 90 of a door while the striker (s) or the wall elements forming door opener were arranged on the opening 90 of the door.
  • Figures 21 to 33 show different states of the control system of the electric motor 1, for different phases of the operating cycle of the locking device.
  • the electrical supply to the motor 1 takes place via two contacts S01, S02 arranged in series, the contacts S01 and S02 being constituted by relay contacts K01 and K02 respectively.
  • Relays K01 and K02 are controlled by control switches S03 and S04 respectively.
  • the relay K01 is also controlled by a contact SW01 arranged in parallel on the contact S03, the contact SW01 being linked to the limit switch 74.
  • the relay K02 is itself also controlled by a contact SW02 arranged in series with the contact S04, contact SW02 being linked to safety microswitch 75.
  • FIGS. 21 to 33 also show the pins 40 and 41 arranged on the drive pinion 53 which cooperate with the microswitches 74 and 75.
  • the drive pinion 53 is however represented by two overlapping views. The upper view shows the end pin or pin 40, and the lower view shows the pin or safety pin 41.
  • the two pins 40 and 41 are fixed on a single pinion 53 and act on the microswitches 74, 75 which are arranged around the same pinion 53 but having offset positions.
  • Other alternative embodiments are however also possible, as indicated with reference to the embodiment of FIGS. 11 to 14.
  • the safety position of the lock (door locked, cannot be unlocked by a power cut) is an intermediate phase of the locking cycle.
  • the safety position is thus not obtained by the action of an additional device, independent of the one that causes the door to lock. This contributes to simplifying the product which comprises only one actuator, and increases reliability insofar as there are no longer problems of synchronization between several devices nor of a source of risk of antagonism between two devices whose objectives and operating methods are contradictory.
  • FIG. 34 shows in chronogram form the different states of the contacts S01 to S04, of the contacts SW01 and SW02, as well as of the electric motor 1, during a locking cycle.
  • a contact when a contact is active, it is represented in state 1 while when the contact, or the motor is in the rest state, it is represented by a level 0.
  • FIGS. 21 to 36 represent the state of the electrical control device of the motor 1 at the different times t0 to t4 of FIG. 34.
  • FIG. 21 represents the state of rest of the device for locking the lock, at an instant t0 of a cycle for locking the door in the positive security position.
  • the door was unlocked by the release of the unlocking arm 7. All the parts of the unlocking device remained in the position reached at the end of the previous rearming cycle. The same applies to the control device external to the lock.
  • the electric motor 1 has been stopped by the stud 40, fixed on the drive pinion 53, acting on the limit switch 74.
  • the contact SW01 is thus in the working position, that is to say it is open.
  • Relays K01 and K02 are deactivated, their respective contacts S01 and S02 are in the rest position.
  • the control switches S03 and S04 are open.
  • the safety microswitch 75 is free, that is to say that the contact SW02 is in the rest position.
  • FIG. 22 represents the state at an instant t1 of the locking cycle, at the time of the start of a locking command Door.
  • FIG. 23 represents a state at an instant t2 corresponding to the end of the door locking command.
  • the microswitch 74 has been released by the pad 40, and the locking control contact S03 can be released.
  • FIG. 24 represents the state at an intermediate time t3 of the door locking cycle.
  • the motor 1 is rotating the pinion 53, which causes the pads 40 and 41 to move.
  • the various contacts remain in their previous positions.
  • FIG. 25 represents the state at an instant t4 of the start of the transition to the safety position.
  • the pinion 53 At the end of the door locking cycle, the pinion 53 has returned to its starting position, illustrated in FIG. 21, after having made a complete rotation of 360 °.
  • the pinion 53 actuates the microswitch 74 again.
  • the contact SW01 switches to the working position.
  • Relay K01 is deactivated and contact S01 switches to the rest position, which short-circuits motor 1 and causes it to stop immediately. From a command point of view, we are thus returned to the initial position of FIG. 21, but, this time, the unlocking arm 7 is armed and the three axes 16, 18 and 22 are aligned, so that the door is locked.
  • the lock keeps the door locked. It is placed in a positive safety position which allows immediate unlocking caused by a remote control by cutting off the power to the electromagnetic lock 9.
  • the lock is placed in the safety position which prevents unlocking when the power is cut. During the passage from one state to another, the door leaves are permanently blocked by the lock.
  • the lock is in the rest state of the device for locking the lock, according to a diagram conforming to that of FIG. 21, but the door is locked and the lock is in the positive security position.
  • FIG. 27 shows the state of the various elements of the control circuit at the start of a command to switch to the safety position, at an instant t1.
  • FIG. 28 shows the various contacts at an instant t2 corresponding to an intermediate phase of the command to switch to the safety position.
  • FIG. 29 shows the state of the various contacts at an instant t3 corresponding to the end of the command to switch to the safety position.
  • the contact S03 is kept closed while the pad 40 traverses the activation ramp of the microswitch 74.
  • the contact SW01 switches to the rest position.
  • FIG. 30 represents the state of the various elements of the control circuit at an instant t4 corresponding to an opening of the control contact S03.
  • FIG. 31 represents the state of the various elements of the control circuit when the safety position is reached at an instant t5 of the cycle represented in FIG. 34.
  • the stud 41 actuates the microswitch 75.
  • the contact SW02 switches to the working position.
  • Figures 32, 33 and 36 relate to a cycle of return to the positive safety locking position.
  • FIG. 31 shows the lock in the safety position (time t0 of the positive safety return cycle in FIG. 26).
  • the S04 contact is open, which causes the K02 relay to take off.
  • Contact S02 switches to the rest position.
  • Motor 1 is energized and begins to rotate.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)

Claims (18)

  1. Schließvorrichtung für einen Notausgang mit mindestens einem Türflügel (90), die an einer festen Wandung (91, 92) angebracht ist, wobei die Schließvorrichtung wahlweise zu ihrer Verriegelung bei Anwesenheit von Publikum eine erste Funktionsweise nach dem Failsafe-Prinzip mit Fernsteuerung durch Stromunterbrechung sowie eine zweite Funktionsweise zur verstärkten Sicherung bei Abwesenheit von Publikum anbieten kann, wobei die genannte Schließvorrichtung von einer Trägerplatte (19), die an einem (91, 92) der genannten Elemente befestigt ist, die aus der genannten festen Wandung (91, 92) und dem genannten Türflügel (90), die den genannten Notausgang bilden, bestehen, von einem Riegel (24), der dazu bestimmt ist, mit mindestens einem Wandungselement zusammenzuwirken, das ein Streichblech (28) bildet, das mit dem anderen (90) der genannten, aus dem genannten Türflügel (90) und der genannten festen Wandung (91, 92) bestehenden Elemente fest verbunden ist, von einem Mittel (15 bis 18; 20 bis 22) zur Verriegelung des genannten Riegels (24), von einem Mittel (7 bis 10) zur Steuerung der Entriegelung des genannten Verriegelungsmittels (15 bis 18; 20 bis 22) sowie von einem Mittel (3 bis 6; 55, 57, 58) zur verstärkten Sicherung, um wahlweise die Funktion des genannten Entriegelungssteuerungsmittels (7 bis 10) zu blockieren, gebildet wird,
    dadurch gekennzeichnet, daß der Riegel (24) einen ersten Abschnitt (24a) mit einem Anschlagmittel (24c) zum Anschlagen an dem genannten Wandungselement, um eine Bewegung des genannten Türflügels (90) der Riegel (24) zu der genannten festen Wandung (91, 92) zu verhindern, sowie einen zweiten Abschnitt (24b), der im wesentlichen senkrecht zu dem genannten ersten Abschnitt (24a) verläuft und kippbar um eine Riegelachse (25) angebracht ist, die parallel zu dem genannten ersten und zweiten Abschnitt (24a, 24b) verläuft, aufweist, daß der Riegel (24) mit einer Rückholfeder (26), die bei Schließstellung des Riegels (24) zusammengedrückt ist, und mit einem Verriegelungskolben (20), der senkrecht zur genannten Kippachse (25) von einem Führungsteil (21) geführt wird, zusammenwirkt, um in Verriegelungsposition an der Rückseite des genannten zweiten Abschnitts (24b) zu gelangen, daß das Verriegelungsmittel (15 bis 18; 20 bis 22) des weiteren aus einem ersten Schwingarm (15), der um eine erste, zur Bewegungsrichtung des genannten Kolbens und zur Riegelachse (25) senkrechte Achse (18) dreht und zur Trägerplatte (19) eine feste Position aufweist, sowie aus einem zweiten Schwingarm (17), der an einer zweiten und einer dritten beweglichen Achse (16, 22), die parallel zur genannten ersten Achse (18) verlaufen, gelenkig zum ersten Schwingarm (15) bzw. zum Verriegelungskolben (20) befestigt ist, besteht, wobei die erste, zweite und dritte Achse (18, 16, 22) mit der Achse des Kolbens (20) in Verriegelungsstellung ausgerichtet sind, und wobei eine Ausstoßfeder (23) bei Verriegelungsstellung gespannt ist.
  2. Schließvorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, daß bei Verriegelungsstellung die gelenkige Anordnung des ersten und zweiten Schwingarms (15, 17) und des Verriegelungskolbens (20) bei Hubende an einem exzentrischen, kippbaren Anschlag (29) in Anlage kommt, der dergestalt angeordnet ist, daß sie eine leichte Abweichung der Schwingarme aus der vollkommen mit der ersten, zweiten und dritten Achse (18, 16, 22) ausgerichteten Stellung sowie die Entstehung eines kleinen negativen Winkels in der Grössenordnung von ein paar Grad zwischen dem ersten und dem zweiten Schwingarm ermöglicht, um den ersten und zweiten Schwingarm (15, 17) und den Kolben (20) in eine stabile Gleichgewichtslage zu bringen.
  3. Schließvorrichtung nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, daß das Entriegelungssteuerungsmittel (7 bis 10) aus einem Entriegelungsarm (7) besteht, der kippbar um eine Achse (50) angebracht ist, die parallel zu der genannten ersten, zweiten und dritten Achse (18, 16, 22) verläuft, wobei der genannte Arm einerseits an seinem freien Ende mit einer Haltescheibe (8) versehen ist, die dergestalt angeordnet ist, daß sie bei Verriegelungsstellung gegen die aktive Seite eines elektromagnetischen Ventils (9) gepreßt wird, und andererseits an seiner Gelenkachse mit einer Entriegelungsfeder (10; 78) sowie mit einem exzentrischen Nokken (30) versehen ist, der einen ebenen Abschnitt aufweist, der bei Verriegelungsstellung nach dem Failsafe-Prinzip bei einem Abschalten der elektrischen Stromversorgung des elektromagnetischen Ventils (9) unter der Einwirkung der Entriegelungsfeder (10; 78) gegen den zweiten Schwingarm (17) schlägt.
  4. Schließvorrichtung nach Anspruch 3,
    dadurch gekennzeichnet, daß der Entriegelungsarm (7) des weiteren ein Fliehgewicht (13) aufweist, das in der Nähe des freien Endes des Arms angeordnet ist, um dessen Schlagkraft zu erhöhen.
  5. Schließvorrichtung nach einem der Ansprüche 1 bis 4,
    dadurch gekennzeichnet, daß sie einen Elektromotor (1) zum Antrieb von mindestens einem Rückstellnocken (3; 55), der mit einem Rückstellmechanismus (4, 5; 57, 58) zusammenwirkt, und Mittel (11; 56; 81, 84) zur Steuerung eines Verriegelungsmechanismus (12, 13; 64, 65) aufweist, um die Schließvorrichtung in Verriegelungsstellung bzw. in die verstärkte Sicherungsstellung zu versetzen.
  6. Schließvorrichtung nach Anspruch 5,
    dadurch gekennzeichnet, daß der Rückstellmechanismus (4, 5) aus einem Rückstellhebel (4) und einem Rückstellschieber (5) besteht, die mit einer Rückholfeder (6) und mit dem Entriegelungsarm (7) zusammenwirken.
  7. Schließvorrichtung nach Anspruch 5 oder 6,
    dadurch gekennzeichnet, daß der Verriegelungsmechanismus (12, 13) aus einem Verriegelungshebel (12) und einem Verriegelungsschieber (13) besteht, die mit einer Rückholfeder (14) und mit dem ersten Schwingarm (15) zusammenwirken.
  8. Schließvorrichtung nach Anspruch 5,
    dadurch gekennzeichnet, daß der Rückstellmechanismus (57, 58) aus einem Rückstellhebel (57) und einem Rückstellschwingarm (58) besteht, der an dem Entriegelungsarm (7) angelenkt ist.
  9. Schließvorrichtung nach Anspruch 5,
    dadurch gekennzeichnet, daß der Verriegelungsmechanismus (64, 65) aus einem Verriegelungshebel (64) und einem Verriegelungsschwingarm (65) besteht, der an dem ersten Schwingarm (15) angelenkt ist.
  10. Schließvorrichtung nach einem der Ansprüche 5, 8 und 9,
    dadurch gekennzeichnet, daß der Elektromotor (1) eine Schnecke (52) aufweist, die an seine Abtriebswelle gekoppelt ist, wobei die genannte Schnecke sich in Eingriff mit einem Antriebsritzel (53) befindet, dessen Drehachse die gleiche ist wie die des Rückstellnockens (55) und die der von einem Verriegelungsnocken (56) gebildeten Steuermittel des Verriegelungsmechanismus.
  11. Schließvorrichtung nach Anspruch 9,
    dadurch gekennzeichnet, daß sie ein Drucklager (51) aufweist, das auf den Verriegelungskolben (20) einen Gegendruck ausübt, um den seitlichen Druck zu kompensieren, der durch die Einwirkung des Verriegelungsschwingarms (65) auf den ersten Schwingarm (15) entsteht.
  12. Schließvorrichtung nach Anspruch 5,
    dadurch gekennzeichnet, daß die genannten Steuermittel (11; 56) des Verriegelungsmechanismus (12, 13; 64, 65) aus einem Verriegelungsnocken (11; 56) bestehen, der von dem genannten Elektromotor angetrieben wird.
  13. Schließvorrichtung nach Anspruch 5,
    dadurch gekennzeichnet, daß die genannten Steuermittel (81; 84) des Verriegelungsmechanismus (64, 65) aus einem Mitnehmer (81) bestehen, der mit dem Rückstellmechanismus (57, 58) fest verbunden ist, der unmittelbar mit einem Element (84) des genannten Verriegelungsmechanismus (64, 65) zusammenwirkt.
  14. Schließvorrichtung nach einem der Ansprüche 5 bis 13,
    dadurch gekennzeichnet, daß sie einen Mikroendschalter (74) und einen Sicherheits-Mikroschalter (75), der mit den Elementen (40, 41; 82, 83) zusammenwirkt, die mit der Bewegung des Rückstell- und des Verriegelungsmechanismus synchronisiert sind, sowie einen Rückstell-Mikroschalter (76) und einen Verriegelungs-Mikroschalter (77) aufweist, die die Stellung des Entriegelungsarms (7) und des Kolbens (20) anzeigen.
  15. Schließvorrichtung nach einem der Ansprüche 1 bis 14,
    dadurch gekennzeichnet, daß bei jedem Verriegelungszyklus der Vorrichtung die Teile in ihrer Gesamtheit zunächst in Sicherungsstellung gebracht werden, die Teile dann, wenn kein Steuerbefehl für die Sicherungsstellung vorhanden ist, ihre Bewegung fortsetzen, um schließlich in Verriegelungsstellung nach dem Failsafe-Prinzip zu verharren, bei der die Tür verriegelt ist und durch ferngesteuertes Abschalten der Stromversorgung des elektromagnetischen Ventils (9) entriegelt werden kann.
  16. Schließvorrichtung nach einem der Ansprüche 1 bis 15,
    dadurch gekennzeichnet, daß sie des weiteren magnetische Kontakte (38) aufweist, die durch Magnete (39) betätigt werden, die in den Streichblechen (28) angeordnet sind, um die Schließstellung der Türflügel anzuzeigen.
  17. Schließvorrichtung nach einem der Ansprüche 1 bis 16,
    dadurch gekennzeichnet, daß die Schließvorrichtung an der genannten festen Wandung (91, 92) angebracht ist und der Riegel (24) dazu vorgesehen ist, gleichzeitig mit zwei Wandungselementen zusammenzuwirken, die zwei Streichbleche (28) bilden, die an den verschiedenen genannten Türflügeln (90) des genannten Notausgangs befestigt sind.
  18. Schließvorrichtung nach einem der Ansprüche 1 bis 17,
    dadurch gekennzeichnet, daß die Schließvorrichtung an der genannten festen Wandung (92) angebracht ist, die von einem horizontalen Deckenteil oberhalb des Türflügels (90) gebildet wird, und der Riegel (24) einen ersten Abschnitt (24a) aufweist, der von einem dritten Abschnitt (24d) fortgesetzt wird, der etwa im rechten Winkel zu dem ersten Abschnitt (24a) und parallel zu dem zweiten Abschnitt (24b), jedoch in entgegengesetzter Richtung zu diesem letzteren verläuft, wobei der dritte Abschnitt (24d) eine ebene Fläche (24c) aufweist, die einen Anschlag bildet, der mit dem genannten Wandungselement, das ein Streichblech an dem genannten Türflügel (90) bildet, zusammenwirkt.
EP91401432A 1990-06-05 1991-06-03 Schliessvorrichtung für Notausgang Expired - Lifetime EP0461013B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9006951 1990-06-05
FR9006951A FR2662735B1 (fr) 1990-06-05 1990-06-05 Dispositif de verrouillage d'une issue de secours.

Publications (2)

Publication Number Publication Date
EP0461013A1 EP0461013A1 (de) 1991-12-11
EP0461013B1 true EP0461013B1 (de) 1993-12-15

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EP91401432A Expired - Lifetime EP0461013B1 (de) 1990-06-05 1991-06-03 Schliessvorrichtung für Notausgang

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US (1) US5149157A (de)
EP (1) EP0461013B1 (de)
DE (1) DE69100781T2 (de)
FR (1) FR2662735B1 (de)

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JPH0667751U (ja) * 1993-03-01 1994-09-22 タキゲン製造株式会社 非常解錠機能付き扉用ハンドル装置
FR2712338B1 (fr) * 1993-11-08 1996-02-09 Guidotti Creations D Verrou pour issue de secours à verrouillage par ventouse électromagnétique.
FR2744752B1 (fr) * 1996-02-09 2002-07-26 Icb La Securite Dispositif de verrouillage perfectionne, notamment d'une issue de secours
US5729198A (en) * 1996-10-25 1998-03-17 Gorman; Kim Ramsey Wireless residential door unlatch system
FI991334A (fi) * 1999-06-10 2000-12-11 Nokia Networks Oy Menetelmä kaksisuuntaisen jonon toteuttamiseksi muistissa ja muistijär jestely
GB0003827D0 (en) * 2000-02-19 2000-04-05 Griffin Lawrence Doorstop
EP1160399B1 (de) * 2000-05-30 2005-11-16 Steinbach & Vollmann GmbH & Co. KG Elektrisch betätigbares Schloss
US6909375B2 (en) 2002-05-20 2005-06-21 Diaz-Lopez William Seismic switch
US7375646B1 (en) 2002-05-20 2008-05-20 Diaz-Lopez William Seismic detection and response system
GB2563060B (en) 2017-06-02 2021-12-08 Avantis Hardware Ltd A lock indicator and a mechanical lock assembly
SE1850578A1 (en) 2018-05-17 2019-11-18 Inwido Ab Lock assembly system and method of control
CN110344679B (zh) * 2019-07-23 2021-07-13 广州小鹏汽车科技有限公司 汽车的车门组件、汽车、汽车的车门开启方法和存储介质

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Also Published As

Publication number Publication date
DE69100781D1 (de) 1994-01-27
FR2662735A1 (fr) 1991-12-06
US5149157A (en) 1992-09-22
FR2662735B1 (fr) 1992-09-18
DE69100781T2 (de) 1994-06-23
EP0461013A1 (de) 1991-12-11

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