EP0668422B1 - Mécanisme de blocage pour serrure - Google Patents

Mécanisme de blocage pour serrure Download PDF

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Publication number
EP0668422B1
EP0668422B1 EP95102099A EP95102099A EP0668422B1 EP 0668422 B1 EP0668422 B1 EP 0668422B1 EP 95102099 A EP95102099 A EP 95102099A EP 95102099 A EP95102099 A EP 95102099A EP 0668422 B1 EP0668422 B1 EP 0668422B1
Authority
EP
European Patent Office
Prior art keywords
blocking
lock
recess
locking
pin
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
EP95102099A
Other languages
German (de)
English (en)
Other versions
EP0668422A1 (fr
Inventor
Franz Dipl.-Ing. Schwerdt
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus GmbH and Co KG
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.)
Filing date
Publication date
Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP0668422A1 publication Critical patent/EP0668422A1/fr
Application granted granted Critical
Publication of EP0668422B1 publication Critical patent/EP0668422B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • 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
    • E05B47/0603—Controlling mechanically-operated bolts by electro-magnetically-operated detents the detent moving rectilinearly
    • 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
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2007—Securing, deadlocking or "dogging" the bolt in the fastening position
    • E05B17/2011—Securing, deadlocking or "dogging" the bolt in the fastening position using balls or the like cooperating with notches
    • 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
    • E05B2047/0023—Nuts or nut-like elements moving along a driven threaded axle
    • 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
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0003—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core
    • E05B47/0004—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a movable core said core being linearly movable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B67/00—Padlocks; Details thereof
    • E05B67/06—Shackles; Arrangement of the shackle
    • E05B67/063—Padlocks with removable shackles

Definitions

  • the invention relates to a locking mechanism for a Lock, comprising a stored in a housing Locking element, which - starting from a locking end position - from a range of locking positions, in which there is the lock in the locked state holds in one with the unlocked state of the
  • the corresponding unlocking position of the lock is reversible is movable to unlock or lock the lock lock, and a blocking device with one in the Housing movably guided blocking element, the under Preload towards the locking mechanism element in at least one predetermined locking position of the Locking mechanism element with a locking mechanism element adjacent engaging portion in a predetermined one Locking position of the engagement section opposite recess of the locking mechanism element engages to thereby engage a blocking edge the recess the locking mechanism element against unauthorized persons Moving out of the range of locking positions to secure, and with one by means of a control device controllable electromagnetic locking device for Locking the blocking element in a predetermined Position, wherein the engagement portion of the blocking element is designed relative to the depression in such a way that when it is inserted
  • They are locking mechanisms in the form of locking cylinders known in which the rotatable by means of a key Lock cylinder core as a locking mechanism element usually through mechanical pin tumblers and additionally through an electromagnetically controllable blocking device against unauthorized twisting from its locked position can be secured. If the electromagnetically controllable Blocking device the cylinder core in the locking position blocked, the cylinder core can even with one regarding the mechanical pin tumblers "matching" key cannot be turned.
  • the electromagnetic controllable blocking device therefore offers the possibility to provide locking authorization criteria, which have the requirement of a mechanically matching one Use the key to operate the locking cylinder to have to go out.
  • a locking mechanism of the type mentioned is for example in Figures 1-5 of EP-A-0 388 997 shown and explained in the description of EP-A-0 388 997.
  • the blocking device of the known locking mechanism releases the cylinder core to the unlock position free, provided the control device is operated by a relevant key in the key channel of the lock cylinder electrical locking authorization information receives the key as suitable for the locking mechanism identify.
  • the blocking element is a cylindrical one Blocking pin, which in the locked position in a cylindrical recess on the circumference of the lock cylinder core intervenes.
  • Engaging the locking pin in the Cylinder core recess and also the disengagement of the blocking pin is carried out from the cylinder core recess Activation of an electromagnet, in which a coil ring within a permanent magnet arrangement by appropriate Switching current pulses between one with the locking position of the locking pin corresponding first position and one with the unlocked position of the blocking pin corresponding to the second position can be moved back and forth.
  • the coil ring is over one bistable snap spring mechanism with the blocking pin connected, the snap spring mechanism the coil ring in its respective end position (first position or second position) stabilized.
  • EP-A-526 904 is also a locking cylinder for Mortise locks.
  • the lock cylinder core is - Starting from a key withdrawal and locking position - in an unlocking angle position movable to unlock the lock.
  • an electromagnetically controllable blocking device intended to secure against unauthorized rotation of the cylinder core from the Locking position.
  • This has a means a compression spring in constant contact with the cylinder core prestressed, perpendicular to the axis of the cylinder core axially displaceably guided locking pin on the supported on the circumference of the cylinder core and in the key withdrawal position of the cylinder core with its the cylinder core adjacent axial end into a conical Countersunk bore of the cylinder core engages.
  • Electromagnet To secure of the cylinder core against unauthorized twisting Blocking pin in the known lock cylinder in the corresponding engagement position to be fixed prevent it from rotating when the cylinder core Oblique surface of the counterbore displaced from the counterbore becomes.
  • the electromagnet includes one elongated coil, with a transverse to the axis of the locking pin between a blocking pin in its engaged position fixing locking position and one Blocking pin releasing position movably guided Coil core as an anchor.
  • the anchor is in the locked position at the end of the locking pin remote from the cylinder core and thus prevents the retraction movement the blocking pin from its engaged position.
  • the electromagnet of the known from EP-A-526 904 Locking mechanism has a return spring that the Anchor for movement in one of the mentioned anchor positions biases and their bias from the electromagnet must be overcome to excite the anchor by excitement Move the coil to the other anchor position in question. Because the anchor is actively blocking the blocking pin participates in its engaged position, he is with the to dimension the known locking mechanism sufficiently strong, if necessary when attempting to rotate the cylinder core axial pressure forces exerted on the blocking pin to be able to record, the electromagnet or Return spring of the armature should be dimensioned that they are able to release the anchor for locking move out of his locked position even if he exposed to forces introduced via the blocking pin is. In addition, the armature stroke of the electromagnet comparatively long in the known locking mechanism must be trained so that a reliable locking the blocking pin in its engaged position on the one hand and a reliable release of the blocking pin on the other hand, realizable and alternately adjustable is.
  • the invention has for its object a locking mechanism of the generic type, in which a reliable function of the blocking device with a electrically and geometrically smaller sized electromagnetic Locking device in a simple way is realizable in an energy-saving manner.
  • the invention proposes that the recess of the locking mechanism element in the locking end position with respect to the engagement section the blocking element is offset so that the Do not engage the engaging portion in the recess can, and that a) the depression on that of the blocking edge opposite side has a cam flank or b) the engaging portion has a cam surface having one opposite the blocking flank Flank of the recess cooperates to the in the predetermined locking position of the locking mechanism element engaging portion engaging the recess to displace from the deepening if that Lock mechanism element, starting from the predetermined Locking position, in the direction of the locking end position is moved, whereby the blocking element in a Release position is transferred, in which it is by means of electromagnetic locking device can be locked, around the locking mechanism element for movement into the unlocking position to release.
  • the blocking element and the recess are relative designed and arranged to each other in such a way that due to the bias of the blocking element a self-holding Blocking of the locking mechanism element without participation the electromagnetic locking device can take place to protect the locking mechanism against unauthorized persons Moving out of its range of locking positions to secure.
  • the realization of this Basic ideas lead to the subject of the present Invention at favorable force and load ratios for the electromagnetic locking device, since this has no forces to absorb, possibly on the locking element be exercised.
  • the electromagnetic Locking device must only be able to Blocking element if necessary in the release position fix or release from the release position. This can be reliable with comparatively small forces respectively.
  • the electromagnetic locking device can dimensioned accordingly to save space and energy without sacrificing reliability to have to do.
  • the locking mechanism according to the invention is suitable for Combination with a variety of differently designed Locks and is not on a lock cylinder limited. All that matters is that a Lock mechanism element is provided, which for unlocking the lock is forcibly moved and unlocked of the lock if it prevents this Movement is prevented.
  • the locking mechanism element can therefore any element in the lock mechanism of a lock, starting from a closing element to be operated by the user, such as the lock cylinder core of a lock cylinder, down to a deadbolt that falls into a trap or locking bolt receptacle for locking the lock intervenes.
  • the recess of the locking mechanism element geometrically arranged such that they are in the locking end position of the locking mechanism element compared to the Engagement portion of the blocking element is offset, so that the engaging portion is not in the recess can intervene, with the depression on that of the blocking flank opposite side a control curve flank has the in the predetermined locking position of the locking mechanism element in the recess engaging engaging portion displaced from the recess, if the locking mechanism element, starting from the predetermined locking position in the direction of the locking end position is moved, causing the blocking element is transferred to its release position in which it by means of the electromagnetic locking device is lockable to the locking mechanism element for movement release in the unlocked position.
  • the control of the blocking element in the release position can alternatively also take place in that the engagement portion of the blocking element has a cam flank has that with one of the blocking edge opposite flank of the depression cooperates, to displace the blocking element from the recess, when the locking mechanism element to its locking end position is moved there.
  • the cam flank is from an inclined surface - not necessarily smooth - is formed.
  • the blocking element as axially movable in the Housing guided locking pin trained, the under the effect of its preload with an axial End supported on the locking mechanism element and in the predetermined Locking position of the locking mechanism element engages with the axial end in the recess.
  • the Electromagnetic locking device preferably comprises a locking member that is between a non-locking Position in which it leaves the blocking pin unaffected, and a locking position in which it is for locking the Blocking pin with the blocking pin in its release position is engaged, guided movably in the housing - and by activating the electromagnetic Locking device is movable into the locked position.
  • An axially movable blocking pin is opposite differently shaped and possibly other movements, for example Rotational movements, executing blocking elements For reasons of easier manufacture and for reasons the comparatively compact design option of the Preferred.
  • the locking member is preferably an armature of an electromagnet the electromagnetic locking device.
  • the locking member is according to a particularly preferred one Embodiment as an axially movable coil core an electromagnetic coil of electromagnetic Locking device trained.
  • the coil core has one Longitudinal axis running transversely to the axis of the blocking pin and forms a locking pin by energizing the coil is movable into the locked position in which it is in a the release position of the blocking pin to the coil core aligned recess of the locking pin engages.
  • the depression can be, for example, one on the circumference of the blocking pin circumferential groove.
  • the so trained electromagnetic locking device can be very compact. It is with the given Forces and loads in particular not required a deep incision in the Locking pen for reliable and safe intervention to be provided by the coil core.
  • the bias of the locking pin applied by a spring.
  • a particularly preferred Design has the recess of the locking pin and / or the coil core on its the blocking pin adjacent end on a slope to the in Locking position of the coil core when not excited Coil from the recess of the blocking pin through the To displace the blocking pin when the Locking pin under the spring preload from its release position emotional.
  • Such a configuration of the electromagnetic locking device allows to dispense with a return spring for the coil core.
  • the movable coil core is made of a non-ferromagnetic material, in particular made of brass, and in a fixed, the Hollow cylindrical core sleeve passing through the coil ferromagnetic material guided axially, wherein the electromagnetic locking device on the The blocking pin removed the front end of the coil towards the spool and held movably away from the spool Lever, in particular in the form of an anchor plate, that is attracted to the coil when the coil is excited is to be on the end of the To press the core and the core in the locked position to postpone.
  • the anchor plate can be loosely in one on the front side removed from the blocking pin Be added to the end of the coil adjacent chamber.
  • a such design of the electromagnet is simple and a few individual parts can be implemented cost-effectively.
  • the magnetic flux does not have to be above the movable one Coil core are guided. This makes it possible to guide the magnetic flux so that it does not has to overcome several air gaps. By doing this the power yield is increased or the energy requirement reduced with the same force. The dimensions the electromagnetic locking device can accordingly be reduced even further.
  • this is Locking member in a transverse to the axis of the locking pin running guide channel movably guided sliding body or rolling body, in particular spherical body, which in its locked position in a in the release position of the Blocking pin aligned essentially to the guide channel Deepening, especially around the circumference Ringnut, the blocking pin engages and the to his Movement into the blocking position of a drive element, especially from the armature of an electromagnet of the electromagnetic Locking device can be acted upon.
  • the electromagnetic Locking device an electromagnetic Coil with a substantially pin-shaped, axially movable guided coil core as an anchor, the axial aligned with the guide channel of the locking member and in Direction to the axis of the locking pin is movable to to push the locking member into the locking position.
  • the manufacturing is regarding compliance with tolerances facilitated.
  • the electromagnetic locking device an electric motor and a locking member driven by the electric motor, that can be brought into engagement with the blocking element is to lock the latter in its release position.
  • the locking member can be a spindle-nut drive locking pin driven axially by the electric motor, the one in the release position of the blocking element recess of the blocking element aligned with the locking pin can intervene to the blocking element in the Lock release position.
  • Such a solution allows to turn off the electric motor after it brought the locking member into engagement with the locking pin Has.
  • the electric motor carries a rotatable in a locked position Locking arm, which in its locked position in a recess of the blocking element engages around the blocking element to fix in the release position. Also at In this variant, it is sufficient to target the electric motor to be actuated only until the blocking member is in the blocking position is or moved out of its locked position is.
  • the locking mechanism element Part of a using a suitable key lockable locking mechanism for operating the lock, the key between the key and the Interchangeable locking system, from the control device to Actuation of the electromagnetic locking device Checking electrical and / or magnetic locking authorization information that carries him as to the locking mechanism Identify appropriately, and being the control device is set up when the appropriate one is recognized Key the electromagnetic locking device Locking the blocking element in its release position to activate.
  • the electromagnetic Locking device can be designed to be remotely controllable, for example in order to be able to provide locking options depending on the time of day.
  • the locking mechanism as a lock cylinder, especially designed for a mortise lock, wherein the locking mechanism element in the lock cylinder housing rotatably mounted about its axis by means of a suitable key is rotatable lock cylinder core and wherein a blocking pin is provided as the blocking element is that axially displaceable transversely to the axis of the cylinder core is guided and on the circumference of the cylinder core supports, the locking pin in the predetermined Locked position of the cylinder core with his the end adjacent to the cylinder core in the circumference the recess provided under the effect its bias engages, unless it through the electromagnetic locking device in its Release position is locked.
  • the lock cylinder core can be a trigger position in the locking positions take in the key in a key channel of the cylinder core insertable and from the key channel can be pulled out, the recess of the cylinder core in the withdrawal position from their with the predetermined one
  • Corresponding locking position of the cylinder core Alignment position relative to the locking pin is twisted so that the locking pin in one for locking by the electromagnetic locking device Ready position on the circumference of the cylinder core is supported and the recess arranged in this way is that it has its alignment position relative to that Locking pin reached when the cylinder core, starting out from the trigger position, towards the unlocking position is rotated so that the locking pin under its pretension can snap into the recess, provided not from the electromagnetic locking device is locked.
  • the cylinder core can therefore with a mechanically matching key from the trigger and Lock position out by a certain angle be twisted without, however, the area of contiguous Leave locking angle positions.
  • the blocking pin comes with a blocking flank of the recess in blocking contact so that turning continues the cylinder core in the direction of the unlocking position, which may only take several complete revolutions of the Cylinder core is reached, is made impossible.
  • the depression preferably has on its blocking flank opposite side a control curve flank which displaces the blocking pin into its release position, if the cylinder core, starting from the predetermined Locked position, in the mentioned trigger position is turned back.
  • the lock cylinder thus constructed with a mechanical matching key always in its trigger and locking position is rotatable so that one for unlocking of the castle unauthorized person that Lock lock but can not unlock.
  • the lock cylinder core is one further recess for the intervention by the blocking pin intended.
  • the lock cannot be locked, provided the locking pin is not from the electromagnetic locking device is fixed in its release position. This can prevent one from not authorized person locks the lock.
  • the lock cylinder according to the invention can be designed in this way be that it is only through the blocking device can be secured.
  • the locking cylinder is preferably however provided with mechanical tumblers that the locking cylinder core against unauthorized turning from the area of locking positions, in particular from the trigger and locking position.
  • the mechanical tumblers are known Way in their by a mechanically fitting key the cylinder core for rotation releasing position.
  • the blocking pin under the effect of its bias automatically into the Can intervene and with the blocking edge the recess engages in such a way that over the blocking flank does not displace the blocking pin Axial forces can be exerted on the locking pin.
  • the electromagnetic locking device part Since their job is to put the locking pin in to fix its release position and this fixation can be ensured with comparatively small forces can, it is possible, preferably as an electromagnet trained electromagnetic locking device accordingly weakly dimensioned and miniaturized.
  • the energy requirement of the electromagnetic locking device is comparatively low, so that the electrical Supply - if desired - by battery can be done. This allows complicated cabling avoid.
  • the low energy requirement of the locking mechanism according to the invention and the possible battery supply for the electromagnetic locking device makes the locking mechanism for portable locks, such as bicycle locks, available.
  • the invention is the locking mechanism for a padlock,
  • long-latch lock provided that one Has lock body and a striker that in locked state of the lock on both leg sections is connected to the lock body, namely in the way that at least one leg section into a Leg engages the lock body and in it through a movably guided inside the lock body in a locking engagement surface of the leg section engaging locking bolt which is locked Unlocking the lock in a thigh section releasing to move out of the thigh receptacle Unlocking position is movable, the locking mechanism element of the locking mechanism according to the invention the locking bolt is formed.
  • the locking bolt is preferably as transverse to the axis of the leg receptacle axially displaceable locking rod formed, where the blocking element under the effect of its bias on a circumferential side of the recess Locking rod is supported transversely to the axis of the locking rod.
  • the depression is preferably formed by a milling, the one essentially orthogonal to the axis of the Barrier rod running, forming the blocking flank Flank on their side closer to the thigh mount and an inclined flank on their legs further lying side, the recess relative to the engaging portion of the blocking element in Direction to the thigh receptacle is offset when the Locking rod is in its locking end position.
  • the Blocking element is preferably a blocking pin that guided axially movable transversely to the axis of the locking rod is.
  • one is connected to the control device Device for providing locking authorization information provided by a user, whereby the control device the electromagnetic locking device to lock the blocking element in it Release position after provision of predetermined Lock authorization information activated.
  • the facility to provide locking authorization information includes in particular means for the adjustment of Character combinations as locking authorization information.
  • the lock body has in particular a battery chamber Inclusion of at least one battery for the electrical Supply of the electromagnetic locking device and the control device.
  • the locking mechanism has a circuit the electromagnetic locking device depending opening from the position of the locking mechanism element or closing switching device on the circuit at least keeps closed when the recess the locking mechanism element in one for the engagement the blocking element is suitable position.
  • Such Design of the locking mechanism is not on a certain type of lock, but can for example in connection with the invention Lock cylinder or in connection with the mentioned padlock be provided.
  • the switching device is especially for an electromagnetic Locking device with electromagnet proposed, around the coil current for locking the blocking element to flow only when that Blocking element not anyway from the locking mechanism element is held in the release position. This allows an even greater saving in electrical energy achieve what is particularly valuable in a solution with battery operation.
  • the switching device preferably has a mechanical one Switch that keeps the circuit open when that Lock mechanism element is in its locking end position and when the locking mechanism element is in its unlocked position is. These two positions of the locking mechanism element are usually positions that last longer Time to be taken. The switching device ensures that then no electrical energy is consumed.
  • the control device provides voltage when the lock is released ready, which, however, only causes a coil current to flow, if the switching device the coil circuit closes. This occurs when the locking mechanism element is off one of the above, usually over a longer period positions taken in the direction of the concerned other position is moved.
  • the locking of the Blocking element is done in good time before the blocking element can move into the recess, so that the operational reliability is given. If however no locking authorization should be given no voltage provided by the control device, so that the blocking element regardless of the state of the Switching device ready for blocking or in its blocking position.
  • the invention also relates to a padlock a locking device according to the invention.
  • the locking device according to the invention with an electromagnet and one of the electromagnet moving coil core preferably formed in such a way is that the coil core is transferred to its locked position when the coil is energized electrically.
  • the coil core biased to the blocking element by means of a spring is to with the blocking element in its release position to engage and the blocking element to lock with the coil not energized.
  • the excitement the result of the coil is that the coil core opposes it deducted the biasing force of the spring from the blocking element is to the blocking element to secure the To release the locking mechanism element.
  • the activation of the electromagnetic locking device for locking the Blocking element in this case is that the Coil current is switched off.
  • Figure 1 is a partial sectional side view Double profile locking cylinder 1 shown, the particular is intended for mortise locks and a first one Embodiment of a locking mechanism according to the invention represents.
  • the locking cylinder 1 has a cylinder housing 2, that of two ring cylindrical parts 3, 3 'and one ring-cylindrical parts connecting flat Bridge 3 ''.
  • the ring cylindrical parts 3, 3 ' include a lockable notch 4 between them, in which a lock bit 5 (locking nose 5) is received.
  • In the figures 1 and 1A is one of the lock cylinder cores 6 in a locking position against unauthorized twisting shown securely.
  • To secure the lock cylinder core 6 are mechanical pin tumblers in the usual way 7 provided, each of at least one core pin 8, a housing pin 9 and a tumbler spring 10 exist in corresponding bearing bores 11, 12.
  • the locking position shown in Figures 1 and 1A the cylinder core corresponds to a key withdrawal position, in which a mechanically matching one Key inserted into or out of the key channel 13 the key channel 13 can be pulled out.
  • the tumblers 7 corresponding mechanical codes of the key move the tumbler pins 8, 9 against the force of the tumbler spring 10 during insertion of the key so that the interfaces between the tumbler pins 8, 9 in an aligned position to the peripheral surface 15 of the cylinder core 6 come.
  • the cylinder core 6 is then no longer due to the mechanical pin tumblers 7 blocked in the trigger position.
  • the blocking device 18 includes a locking pin 20 which is substantially perpendicular to the axis 22 of the cylinder core 6 in one provided in the housing web 3 '' bearing bore 24 axially is guided.
  • the blocking pin 20 has one facing away from the cylinder core 6, by reducing the diameter formed shoulder surface 26, that of a shoulder surface 28 of the bearing bore 24 is opposite. A extending between the shoulder surfaces 26, 28 Compression spring 30 tensions the locking pin 20 towards Cylinder core 6 forward.
  • the blocking pin 20 is supported under the effect of this bias with its the cylinder core 6 adjacent end 32 on the circumference 15 of the cylinder core 6, as can be seen from FIGS. 1 and 1A is.
  • cylinder core 6 In the cylinder core 6 is a depression in the form of a Milled 34 provided that over a certain Tangential range of the cylinder core circumference 15 extends.
  • the Milling 34 two flanks 36, 38 converging towards one another on, the flank 38 in that shown in Figure 2A Position of the cylinder core 6, substantially parallel runs to the longitudinal axis of the locking pin 20, so that when trying to start the cylinder core 6 from the in 2 and 2A illustrated state, further opposite turn clockwise, only sideways the blocking pin 20 attacking shear forces on the Blocking flank 38 are exerted by the blocking pin 20 without changing its blocking position can.
  • the other flank 36 of the cutout 34 runs in FIG the position shown in Figure 2A obliquely to the Blocking pin 20 and forms a cam flank that displaced the blocking pin from the recess 34 if the cylinder core 6, starting from that shown in FIG. 2A Clockwise position back to the trigger position 1A is rotated.
  • the position becomes the cylinder core 6 only through a range of locking angle positions rotated in which the assigned lock in Installation status of the locking cylinder not yet opened is.
  • the blocking device 18 therefore ensures that the cylinder core 6 with only a mechanically matching one Keys are not easily from a range of Locking positions can be turned and the lock therefore not easily in the unlocked state is transferable.
  • To unlock the lock by turning of the cylinder core 6 counterclockwise over the Angular range of the recess 34 in an unlocked position to enable includes the blocking device 18 an electromagnetic locking device 40, which is set up to block the blocking pin 20 in the in Figures 1, 1A and 3 and 3A shown release position to lock in which the blocking pin 20 with his End 32 only up to the radially outermost peripheral region of the cylinder core 6 is enough to engage the Blocking pin 20 in the recess 34 of the cylinder core 6 to prevent.
  • the electromagnetic locking device 40 comprises one Electromagnet 42 with an elongated coil 44, the Coil axis perpendicular to the axis of the locking pin 20 extends and one is movable along the coil axis guided coil core 46, the electrical Excitation of the coil 44 towards electromagnetically the blocking pin 20 is moved into a blocking position, in which it is adjacent to the blocking pin 20 axial end 48 in a on the circumference of the locking pin 20th circumferential annular groove 50 engages in the release position of the blocking pin 20 to that designed as a locking pin Coil core 46 is aligned.
  • Figure 3 is the locking pin 46 in its fixing the blocking pin 20 Position shown.
  • Blocking pin 20 can not in the recess 34 of the Engage the lock cylinder core 6 so that the cylinder core 6 about the locking position shown in FIGS. 2A and 3A out counterclockwise into his Unlocking position can be rotated.
  • the annular groove 50 of the blocking pin 20 is preferably formed as a V-slot, while the coil core 46 on his End 48 has a complementary V-tip. On in this way represents the lower one in FIGS. 1 to 3A Groove wall 52 an inclined surface ready, the coil core 46 when the coil 44 is not excited from the groove 50 of the Blocking pin 20 can displace if the blocking pin 20 an upward movement under the effect of its bias experienced in the direction of the cylinder core axis 22, as is the case when the blocking pin 20 engages in the recess 34 of the cylinder core 6. It therefore no special pre-tensioning means are required, around the core 46 in its non-locking position, in which is not in engagement with the blocking pin 20, to transfer when the locking pin is no longer through the electromagnetic locking device 40 fixed should be.
  • annular groove 50 can also be arranged in this way be that their groove base in that shown in Figure 1 Support position of the blocking pin 20 slightly above the tip 48 of the coil core 46 towards the cylinder core 6 is offset so that the coil core 46 after excitation of the Coil 44 initially contacts lower groove wall 52 occurs and the blocking pin 20 against the effect its pretension moves slightly away from the cylinder core, until the bottom of the groove 50 with the tip 48 of the coil core is aligned. This way you can ensure be that there is no friction between the locked Blocking pin 20 and the cylinder core 6 occurs.
  • the electromagnet 42 of the blocking device 18 has a pot magnet structure with a ferromagnetic core sleeve 56, in which the coil core 46 is axially displaceable and the windings of the coil 44 wearing.
  • On the end face adjacent to the blocking pin 20 58 of the electromagnet 42 is integral with the Core sleeve 56 connected by the movable core 46 enforced pole piece 60 is provided, which over a Ferromagnetic outer cylinder 62 containing coil 44 with one on the end face removed from the blocking pin 64 of the coil 44 adjacent hollow chamber 66 in connection stands.
  • a ferromagnetic lever is in the hollow chamber 66 Form of a loose anchor plate 68 added.
  • the anchor tile 68 stands in the hollow chamber 66 such that it attracted by the solenoid 42 when the coil 44 is excited to the over the core sleeve 56, the pole piece 60 and the ferromagnetic outer cylinder 62 guided close magnetic circuit (see FIG. 3).
  • the anchor tile 68 presses on the blocking pin 20 distal end of movable spool 46 to the latter in its blocking position fixing the blocking pin 20 to move or hold in the locked position.
  • the movable core 46 is made of a non-ferromagnetic Material, especially made of brass.
  • the Electromagnet 42 is characterized in that it is a comparatively strong holding force on the movable Core 46 with a comparatively low electrical energy requirement can exercise the movable spool 46 to keep in engagement with the groove 50 of the locking pin 20.
  • the electromagnet 42 is in a recess 70 in the housing web 3 '' of the cylinder housing added to the outside through a closure element 72 is closed.
  • the armature plate 68 can be of move the coil 44 to make room in the hollow chamber 66 for the retraction movement of the movable spool 46 to make this out of its locked position in the above described way is displaced.
  • Anchor plate 68 received in the hollow chamber 66 in such a way that it - as indicated in Figure 1 by an arrow 78 - only performs a tilting movement when it is is attracted to the electromagnet 42, the The outer area 80 of the anchor plate 68 also in that already tightened state with the ferromagnetic Outer cylinder 62 is in contact or at most one has a short distance from it.
  • a guide channel 74 for the movable Core 46 to the guide bore 24 of the locking pin Extends from the recess 70 a guide channel 74 for the movable Core 46 to the guide bore 24 of the locking pin. With 76 connecting wires of the coil 44 are referred to are led out laterally from the cylinder core housing 2 and to connect to a control device (not shown) are.
  • the control device serves the coil current controlled on and off to the blocking pin 20 depending on certain criteria in his Lock release position or to block the To release cylinder core 6.
  • the control of the coil current can be different Ways can be realized.
  • a key code checking device known per se be connected to the lock cylinder 1, the z. B. electrical and / or magnetic locking authorization codes of the key 14 checked if the latter in the Key channel 13 is introduced or already in the Key channel 13 is introduced. Detects the key code checker the key 14 as authorized to lock for the lock cylinder 1, it switches the coil current a so that the movable spool 46 in the Ring groove 50 of the blocking pin engages around the blocking pin 20 to prevent in the recess 34 of the Indent cylinder core. The cylinder core can thus in an unlocking angle position can be rotated so that Unlock the lock.
  • the key code information can for example in one to be accommodated in the key handle Circuit (not shown) may be stored or generated by this circuit.
  • the the coil current controlling key code checking device does not have to necessary completely housed in the cylinder housing 2 be. It can also - except for the key code reading part - outside the cylinder housing 2 protected area.
  • Remote control of the coil current is also possible, for example from one of the lock cylinder 1 remote locking center.
  • you can Means are proposed to check whether the blocking pin 20 in its back from the recess 34 Release position is so that it can be prevented that the coil current is turned on when the cylinder core 6 of the blocking pin 20 in the in Figures 2 and 2A shown position is engaged. To this Way would be to prevent the movable spool 46 already presses the blocking pin 20 before the Blocking pin 20 is in the position in which its ring groove 50 is aligned with the movable coil core 46.
  • the control of the coil current can, for example, from depending on the time of day so that the blocking pin 20 at certain times of the day in its release position is locked and the lock cylinder 1 during this Times operated with a mechanically suitable key can be, whereas at times of the day when the coil current is unlocked, unlocking the lock not possible with a mechanically suitable key is because the blocking pin 20 is then in the in the figures 2 and 2A shown locking position of the cylinder core 6 the cylinder core 6 against twisting from the Secures the angular range of locking positions.
  • one designated by 82 in FIG Switching device may be provided in series with the coil 44 is switched and the coil current at from the control device applied voltage depending on the angular position of the cylinder core 6 interrupts.
  • the with means for detecting the angular position of the cylinder core 6 equipped switching device 82 lets the Coil current only flow when the 84th designated angular range of the cylinder core 6 in an overlapping Positioned opposite the axis of the blocking pin 20 is.
  • the angular range 84 is somewhat larger than the angular range delimited by the recess 34 and reaches its opposite to the axis of the locking pin 20 when the cylinder core 6 counterclockwise rotated from the trigger position shown in Figure 1A before the one delimited by the deepening Angular range opposite to the axis of the Blocking pin 20 comes. In this way it is achieved that the coil current at from the control device provided voltage flows only when the recess 34 is moved past the blocking pin 20 or this is opposite to the engagement of the locking pin 20 to avoid in the recess 34.
  • Blocking pin 20 in this way on the circumference 15 of the cylinder core 6 supported that its annular groove 50 to the axis of the movable Coil core 46 is aligned to when the Coil current is engaged by the coil core 46 and thus to be locked in the release position.
  • the control device for controlling the coil current can additionally or alternatively with a (not shown) optical - electronic and / or acoustic person recognition device be connected so that the electromagnetic Locking device the blocking pin 20 in its release position is fixed when the person recognition device by checking one using a camera recorded image or recorded using a microphone Speech spectrum of a person this person as a locking authorization recognizes.
  • Locking device according to the invention in the form of a lock cylinder 1 can be summarized as follows.
  • Figure 4 shows a variant of the above first embodiment. 4 shows features which correspond to those in Figures 1 to 3A, with same reference numbers and a lower case letter marked, so far to the description of the first embodiment can be.
  • the embodiment according to FIG. 4 differs from Embodiment according to Figures 1 to 3A only in that the cylinder core 6a has a second recess 86 which, when the cylinder core 6a rotates with the Blocking pin 20a comes into engagement provided the blocking pin 20a is not locked in its release position.
  • the second depression 86 of the cylinder core 6a also has a blocking edge 88 and a cam edge 90 on the opposite of the blocking edge 38a and Control flank 36a of the recess 34a geometrically are interchanged. This ensures that the cylinder core 6a also against clockwise rotation can be secured in the manner already described. This can therefore prevent the and unlocked position positioned cylinder core 6a by means of a mechanically fitting key in the locking position is rotated when the electromagnet is not controlled.
  • FIGS Another embodiment is shown in FIGS the invention in the form of a long shackle lock 100 shown.
  • the long shackle lock 100 has a lock body 110 with a steel case 112 on the bottom closed by a welded-on base plate 114 is.
  • Within the housing 112 are two essentially part body 116 of identical shape offset from one another by 180 ° arranged.
  • the partial bodies 116 are in the housing 112 in Aligned to each other and relative to the housing 112 secured.
  • the ends of the partial bodies 116 form a bearing 118 for the rotatable mounting of a cylinder 122, the one Sprocket 128 has.
  • each a guide channel 132 for slidably accommodating a Lock bolt 134 provided.
  • the locking bolts 134 are in opposite directions with a spring 136 in question End locking position ( Figure 5, Figure 6) biased towards the respective spring 136 on an in pin 138 attached to the respective guide channel 132 supports.
  • Each locking bolt 134 is with a respective one Rack 140 firmly connected.
  • the racks 140 stand on diametrically opposite sides of the cylinder 122 with the ring gear 128 in engagement, so that the Racks 140 and thus the locking bolts 134 through Rotation of the cylinder 122 against the action of the biasing force of springs 136 in opposite directions are movable to the locking bolt 134 from their locking end positions to move.
  • the cylinder 122 is closed this purpose with a rotary actuator 142 via a coaxially guided out of the housing 112 Shaft 144 connected so that the locking bolt 134 by rotating the outside of the lock body 110 Rotary actuator 142 from its locking end position ( Figures 5 and 6) out in their unlocked position ( Figures 7 and 8) are displaceable.
  • U-shaped lock bracket 148 are in the partial bodies 116 leg receptacles 150 in the form of stepped bores 152 provided, located on the top 151 of the lock body extend through the housing 112.
  • Each of the holes 152 is one in the area of the largest diameter biased by a spring 154 control sleeve 156 guided.
  • the spring 154 is preferably conical so that the end area is also conical the control sleeve 156 in the locked state of the Lock can dip into the spring.
  • Each leg end section 146 of the lock bracket 148 has a concave Bolt engagement surface 158 into which the respective locking bolt 134 can engage around the leg end portions 146 in the leg receptacle 150 against being pulled out to secure the lock body 110.
  • control sleeves 156 are also the bolt guide channels 132 partially blocked and the free Ends of the pretensioned locking bolts 134 are supported the outer peripheral surface of the control sleeves 156.
  • the leg end portions 146 of the lock shackle 148 the locking bolts 134 under the effect of their bias automatically into the bolt engagement surface 158 forming leg recesses can retract if the Control sleeves 156 the bolt guide channels 132 again released, d. H. in their bolt release position (cf. FIG. 5) have occurred.
  • a surrounding the housing 122 Shell is indicated by 147.
  • Locking mechanism 201 To secure the U-lock 100 against unauthorized persons Unlocking the padlock 100 has an inventive Locking mechanism 201.
  • the principle of operation of the locking mechanism 201 essentially corresponds to the functional principle, as it is with reference to Figures 1 to 3A described for the first embodiment of the invention has been.
  • Parts of the locking mechanism 201, the one functional in terms of securing the lock Have correspondence in the first embodiment, are in Figures 5 to 10 with corresponding, however identified by 200 increased reference numerals.
  • the locking mechanism 201 includes a blocking device 218 with a housing block 203 '' in the lock body 110 in the cavity 219 between the one on the right in FIG. 6 lying sub-body 116 and the bottom in Figure 6 Housing wall 221 arranged and fixed to the housing is.
  • the housing block 203 ′′ has a perpendicular to the longitudinal axis the bolt guide channel 132 on the right side of the Figure 6 extending bearing bore 224 through the Part body 116 extended through and to the bolt guide channel 132 is open.
  • bearing bore 224 In the bearing bore 224 is a locking pin 220 axially slidably received and by a spring 230 to the locking bolt 134 in the guide channel 132 biased so that the locking pin 220 with its slightly rounded end 232 normally on the circumferential side 215 facing it of the locking bolt 234 is supported.
  • the recess comes 234 in alignment with the blocking pin 220 so that the locking pin 220 with its end portion 232 below the effect of its bias engages the recess 234 and with the blocking edge 238 of the recess 234 comes into engagement (see FIG. 9).
  • the blocking edge 238 the locking bolt 134 is shaped such that about it none displacing the blocking pin 220 from the recess 234 Forces are exerted on the blocking pin 220 can.
  • the Blocking edge 238 substantially parallel to the axis of the Blocking pin 220 on the leg holder 150 closer lying side of the recess 234.
  • Blocking pin 220 In the blocking position of the Blocking pin 220 is the one it engages Locking bolt 134 against further displacement in the direction secured to cylinder 122. Because in this case the cylinder 122 and the ring gear 128 connected to it in a rotationally fixed manner are also blocked in this sense, d. H. Not can also be rotated to unlock the locking bolt provided on the left in FIG. 6 134 secured in a corresponding position.
  • the locking bolts 134 have in this position (see FIG 9) the latch engagement surfaces 158 of the leg end portions 146 not yet left completely, so she still the lock bracket 148 on the lock body 110 secure and hold the lock 100 in the locked state.
  • the locking bolts 134 can be released after releasing the rotary actuator 142 but under the biasing force the springs 136 automatically into their locking end position snap back according to Figure 6.
  • To this end has the recess 234 on the thigh receptacle 150 further lying side on a sloping edge 236, the the blocking pin 220 when the locking bolt moves 134 in the locking end position from the bolt guide channel 132 against the biasing force of the spring 230 displaced, so that the blocking pin 220 finally again reaches the release position shown in FIG. 6, in which he is on the circumferential side 215 of the locking bolt 234 is supported outside of the recess 234.
  • the electromagnetic locking device 240 comprises an electromagnet 242 as referenced in FIG the first embodiment has already been described with the locking pin 246 from the movable spool elongated coil 244 is formed.
  • the locking pin can 246 By actuating the electromagnet 242, the locking pin can 246 can be moved into its locked position in which it with its tip shaped in addition to the ring groove 250 248 engages in the annular groove 250 of the blocking pin 220, around the blocking pin 220 in the in FIGS. 6, 8 and 9A to fix the release position shown. Also with that Locking mechanism 201 can be provided that due to the interaction of the locking pin tip 248 and the ring groove wall 254 the blocking pin 220 still slightly of that Locking latch 234 is withdrawn when the locking pin 246 engages in the groove 250.
  • the electromagnetic locking device 240 is by means of a partly schematically indicated control device 251 controlled so that the locking of the locking pin 220 and thus the possibility of unlocking the Lock 100 only with appropriate locking authorization is possible.
  • the control device is essentially in the cavity 219 'of the lock body 110 between the left in Figure 6 arranged partial body 116 and the opposite Housing wall 253 arranged.
  • the control device 251 a combination display visible from the outside 300 to represent combination digits.
  • the combination display 300 is protected in the base plate 114 of the lock body 110 integrated and points in the example four combination display elements 302.
  • Any combination indicator 302 is a spring loaded subject Assigned to switch 304.
  • the control device 251 has counting means (not shown) that the switches 304 are assigned and the number of operations the switch 304 count, with the respective count on a corresponding display element 302 is displayed.
  • the counters count from 0 to 9 and are next Counting step reset to 0, so that by pressing of a relevant switch 304 on the associated one Display element 302 optionally a number between 0 and 9 can be set.
  • the control device 251 accepts a combination of numbers as locking authorization information. When setting this The control device gives a lock authorization number combination 251 a signal to the electromagnet 242 to operate and the blocking pin 220 in its Lock release position.
  • a switch 305 (fig 10) is provided to control device 251 and switch off.
  • the means for setting and displaying the lock authorization number combination are trained electronically, too a conventional combination slewing gear can be used, to a locking authorization information for the Provide control device.
  • the control device 251 has the coil current in Depending on the position of the right in Figure 6 Cylinder 122 provided locking bolt 134 interrupting or closing switch 306.
  • the desk 306 is on the partial body arranged on the left in FIG. 6 116 fixed and as a changeover switch with two spring-loaded Switch actuation means 308, 309 formed.
  • the Shift actuators 308, 309 are in the way of one Switch tongue 311 positioned on the rack 140 of the relevant locking bolt 134 is attached. At Displacement of the locking bolt arranged on the right in FIG. 6 134 from the locking end position shown in FIG. 6 the switch tongue 311 first comes with the first switching actuator 308 in contact to the Switch actuating means 308 to operate, whereupon the Switch 306 closes the coil 244 circuit.
  • the switching means 308 is positioned that it is only from the switching tongue 311 is actuated when the locking bolt 134 is already slightly been moved from its locking end position is, however, not yet so far that the recess 234 comes in opposite position to the blocking pin 220.
  • Control device 251 has applied voltage after actuation of the switching actuating means 308 Current flow through the coil 244, causing the blocking pin 220 in time for its release position is locked before the recess 234 the blocking pin 220 reached.
  • the control device 251 has a closed to the outside Battery compartment 313, in which a schematically indicated Accumulator 315 as a rechargeable battery for the Power supply to the electromagnet 242 and the control device 251 is provided.
  • a schematically indicated Accumulator 315 as a rechargeable battery for the Power supply to the electromagnet 242 and the control device 251 is provided.
  • two sockets 317 are provided, via which the battery 315 from an external charge source can be charged and, if necessary, an emergency power supply for the operation of the control device 251 and the electromagnet 242 can be ensured if the sockets 317 by means of a complementary plug with the external one Charge source to be connected.
  • the battery compartment 313 has in the bottom plate 114 of the Lock body 110 a lockable flap 319, the using a special tool, such as a key, can be opened and closed to the battery to replace.
  • the rotary actuator 142 could be replaced by a hand lever 142 ', such as this is indicated in FIG. 6 with dashed lines.
  • the hand lever would be shown in the example Attach form to a locking bolt 134 and in one (not shown) guide channel along the relevant Lock bolt guide channel 132 to slide. In this way, the unlocking movement of the Locking bolt 134 by moving the hand lever 142 ' towards the ring gear 128 can be realized.
  • cam flank 36 or 236 for displacing the blocking pin 20 or 220 can alternatively be provided on the blocking pin, such as this is indicated schematically in FIG. 11.
  • Figure 12 shows an electromagnet 342, which instead of the electromagnet 42 in the first embodiment according to FIGS. 1 to 3A or the electromagnet 242 in the exemplary embodiment according to FIGS. 5 to 10 can be used.
  • the electromagnet 342 includes an elongated coil 344, in which a movable coil core 346 as a locking pin for Blocking of the blocking pin 20 or 220 guided axially is.
  • the electromagnet 342 is of course to be installed that the lock pin 346 is transverse to the lock pin is aligned and in the release position of the Blocking pin can engage in the blocking pin.
  • the core 346 of the coil 344 is ferromagnetic and carries at its end distant from tip 348 is a truncated cone Pole piece or anchor part 368.
  • the electromagnet 342 has a pole piece 369 with a substantially complementary one recess 371 formed to pole piece 368, in which the pole piece 368 of the core 346 is received.
  • Figure 12 is the coil core 346 in its retracted position Position shown when the coil 344 is not excited. When excited The coil 344 becomes the pole piece 368 from the coil 344 attracted and comes with the relevant complementary Surfaces of the pole piece 369 in connection, the extensive contact between the pole pieces 368 and 369 a comparatively strong holding force of the electromagnet 342 with a comparatively low coil current.
  • the electromagnet just the task of locking the locking pin in to fix his release position without being active Element for blocking the locking mechanism element (cylinder core 6 or locking bolt 134) to be used.
  • the electromagnet in question comes with comparatively less electrical energy. Due to the low The electromagnet can easily draw current Way controlled, z. B. with constant current control. In addition, there is no very large stroke of the movable Kerns (locking pin) is required. Of the Electromagnet can for the reasons mentioned above comparatively space-saving and compact from simple and a few individual parts.
  • the electromagnetic locking device can alternatively also realized using an electric motor are as shown schematically in Figures 13 and 14 is indicated.
  • the electric motor 442 drives via its motor shaft 443 the linearly guided spindle nut 444 one Spindle drive 445 back and forth to a provided Locking pin 446 in a recess 450 of the locking pin 420 bring in or out of this.
  • Figure 14 is one of the electric motor 542 via a transmission 545 rotatable eccentric 546 shown that dependent from its rotational position into the recess 550 of the blocking pin 520 engages or from the recess 550 is turned out.
  • Locking devices with an electric motor take one control device, not shown, was the task blocking member 446 or 546 in question in the present case Locking authorization in engagement with the blocking pin 420 or 520 to bring.
  • FIG. 15 shows a further variant of the blocking device schematically indicated according to the invention.
  • the Electromagnetic locking device 640 includes one Electromagnets 642 with an elongated coil 644 and one to the blocking pin 620 by means of a spring 645 biased movable bobbin 646, which at electrical excitation of coil 644 from the recess 650 of the locking pin 620 is pulled out.
  • the blocking pin 620 is therefore used to block the locking mechanism element released when the coil current is turned on is.
  • the a switch schematically illustrated in FIG. 15 be provided (cf. switch 306 in FIG. 6 or Switch 82 in Figure 1) to depend on the coil current the position of the locking mechanism element (e.g.
  • FIG. 16 Another variant of the blocking device according to the The invention is indicated schematically in FIG. 16. Parts the blocking device of Figure 16, the function Correspond to parts of the blocking device shown in FIG. 1, are added with corresponding reference numbers 700 marked, so that in this respect to those already described Embodiments are referred to can to avoid repetitions.
  • Deviating from the blocking device of FIG. 1 shown embodiment acts the movable coil core 746 of the blocking device shown in FIG. 16 not directly as a blocking element, but as a drive part for a locking member 746a, which is in the form of a spherical body is trained.
  • the spherical body 746a is movable guided in the guide channel 774, which is in alignment with the movable coil core 746, so that the movable Coil core 746 moving towards Blocking pin 720 with its preferred in the present case flat-shaped end face 748 den Ball body 746a acted on and blocking pin 720 shifts.
  • the spherical body 746a can in this way in his locked position, in which he is brought into the Annular groove 750 of the locking pin 720 engages when the blocking pin 720 - as in Figure 16 is shown - in its release position.
  • the ring groove wall 752 is concave to one to the spherical body 746a essentially complementary engagement surface to provide.
  • the movable coil core stops 746 the spherical body 746a in the locked position.
  • the coil current is switched off, the spherical body 746a displaced from the locking position by the groove wall 752 when the blocking pin 720 under the effect of its Spring 730 for engagement with the one in FIG. 16 is not shown recess of the relevant locking mechanism element is moved.
  • a blocking device with a not rigid with that Drive member (here the movable coil core 746) connected Locking member 746a facilitates manufacture in terms of compliance with tolerances because of reference levels are sort of separate.

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Claims (29)

  1. Mécanisme de fermeture pour une serrure, comprenant
    un élément de mécanisme de fermeture (6 ; 134) monté dans un boítier (2; 112), élément qui - partant d'une position finale de verrouillage - peut être amené de manière réversible d'une zone de positions de verrouillages, dans lesquelles il maintient la serrure à l'état verrouillé, à une position de déverrouillage correspondant à l'état déverrouillé de la serrure, afin de verrouiller ou de déverrouiller la serrure, et
    un dispositif de blocage (18 ; 218 ; 618) comportant un élément de blocage (20 ; 220 ; 420 ; 520 ; 620) monté mobile dans le boítier (2 ; 212), élément qui, avec précontrainte en direction de l'élément de mécanisme de fermeture (6 ; 134) dans au moins une position de verrouillage prédéterminée de l'élément de mécanisme de verrouillage (6 ; 134), s'engage par une section de prise (32 ; 232) voisine de l'élément de mécanisme de fermeture (6 ; 134), dans un évidement (34 ; 234) de l'élément de mécanisme de fermeture (6 ; 134) opposé à la section de prise dans la position de verrouillage prédéterminée, afin alors, étant en prise avec un flanc de blocage (38 ; 238) de l'évidement (34 ; 234), d'immobiliser l'élément de mécanisme de fermeture (6 ; 134) contre un déplacement non autorisé hors de la zone des positions de verrouillage, et comportant un dispositif électromagnétique d'arrêt (40 ; 240 ; 340 ; 440 ; 540 ; 640) pouvant être commandé au moyen d'un dispositif de commande (251) pour arrêter l'élément de blocage (20 ; 220 ; 420 ; 520 ; 620) dans une position prédéterminée,
    la section de prise (32 ; 232) de l'élément de blocage (20 ; 220 ; 420 ; 520 ; 620) étant conformée, relativement à l'évidement (34 ; 234), de telle manière que, lors de la rentrée dans l'évidement (34 ; 234), elle se place, par rapport au flanc de blocage (38 ; 238), dans une position dans laquelle, elle ne peut pas être repoussée hors de l'évidement par le flanc de blocage (38 ; 238), contre l'action de la précontrainte de l'élément de blocage (20 ; 220), et
    le dispositif électromagnétique d'arrêt (40 ; 240 ; 340 ; 440 ; 540 ; 640) étant fonctionnellement conçu et activable afin d'arrêter l'élément de blocage (20 ; 220 ; 420 ; 520 ; 620) dans une position de libération dans laquelle il ne fait pas saillie dans l'évidement (34 ; 234), afin d'empêcher l'entrée de l'élément de blocage (20 ; 220 ; 420 ; 520 ; 620) dans l'évidement (34 ; 234) et d'autoriser le mouvement de l'élément de mécanisme de fermeture (6 ; 134) vers la position de déverrouillage,
    caractérisé en ce que
    l'évidement (34 ; 234) de l'élément de mécanisme de fermeture (6 ; 134) est décalé, dans la position finale de verrouillage, par rapport à la section de prise (32 ; 232) de l'élément de blocage (20 ; 220), de sorte que la section de prise ne peut pas se mettre en prise dans l'évidement, et en ce que
    a) l'évidement (34 ; 234) présente un flanc à profil de came de commande (36 ; 236) sur le côté opposé au flanc de blocage (38 ; 238) ou
    b) la section de prise (232) présente une surface à profil de came de commande (236) qui coopère avec un flanc (237) de l'évidement (234) opposé au flanc de blocage (238),
    afin de repousser de l'évidement (34 ; 234) la section de prise (32 ; 132) s'engageant dans l'évidement (34 ; 234) dans la position de verrouillage prédéterminée de l'élément de mécanisme de fermeture (6 ; 134), lorsque l'élément de mécanisme de fermeture (6 ; 134), partant de la position de verrouillage prédéterminée, est déplacé en direction de la position finale de verrouillage, de sorte que l'élément de blocage (20 ; 220) est amené dans une position de libération dans laquelle il peut être immobilisé au moyen du dispositif électromagnétique d'arrêt (40 ; 240), afin d'autoriser le mouvement de l'élément de mécanisme de fermeture (6 ; 134) vers la position de déverrouillage.
  2. Mécanisme de fermeture selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de blocage (20 ; 220 ; 420 ; 520 ; 620) est conformé en ergot de blocage monté mobile axialement dans le boítier, qui, sous l'effet de sa précontrainte, s'appuie par une extrémité axiale (32 ; 232) contre l'élément de mécanisme de fermeture (6 ; 134) et, dans la position de verrouillage prédéterminée de l'élément de mécanisme de fermeture (6 ; 134), s'engage par l'extrémité axiale (32 ; 232) dans l'évidement (34 ; 234), et en ce que le dispositif électromagnétique d'arrêt (40 ; 240 ; 340 ; 440 ; 540 ; 640) comporte un organe de fermeture (46 ; 246 ; 346 ; 446 ; 546 ; 646) qui est monté mobile dans le boítier entre une position non-fermante, dans laquelle il n'a aucun effet sur l'ergot de blocage, et une position de fermeture dans laquelle il se met en prise avec l'ergot de blocage dans sa position de libération afin d'arrêter l'ergot de blocage - et peut être amené dans la position de fermeture par activation du dispositif électromagnétique d'arrêt.
  3. Mécanisme de fermeture selon la revendication 2,
    caractérisé en ce que
    l'organe de fermeture est conformé en induit (46 ; 246 ; 346 ; 446 ; 746) d'un électroaimant du dispositif électromagnétique d'arrêt.
  4. Mécanisme de fermeture selon la revendication 2 ou 3,
    caractérisé en ce que
    le dispositif électromagnétique d'arrêt (40 ; 240 ; 340 ; 640) présente une bobine électromagnétique (44 ; 244 ; 344 ; 644) avec un noyau de bobine (46 ; 246 ; 346 ; 646) pour l'essentiel en forme d'ergot mobile axialement et formant l'organe de fermeture, dont l'axe s'étend transversalement à l'axe de l'ergot de blocage (20 ; 220 ; 320 ; 620) et qui peut être amené dans la position de fermeture par activation de la bobine, position dans laquelle il s'engage dans un évidement (50 ; 250 ; 350 ; 650) de l'ergot de blocage tourné vers le noyau de la bobine dans la position de libération de l'ergot de blocage, en particulier une gorge annulaire périphérique.
  5. Mécanisme de fermeture selon la revendication 2,
    caractérisé en ce que
    l'organe de fermeture est un corps glissant ou roulant (746a), en particulier un corps sphérique, monté mobile dans un canal de guidage (774) transversal à l'axe de l'ergot de blocage (720), corps qui, dans sa position de fermeture, s'engage dans un évidement (750) de l'ergot de blocage (720) tourné sensiblement vers le canal de guidage (774) dans la position de libération de l'ergot de blocage (720), en particulier dans une gorge annulaire périphérique, et qui peut être sollicité par un élément d'entraínement (746), en particulier par l'induit d'un électroaimant du dispositif électromagnétique d'arrêt, en vue de son mouvement vers la position de fermeture.
  6. Mécanisme de fermeture selon la revendication 5,
    caractérisé en ce que
    le dispositif électromagnétique d'arrêt présente une bobine électromagnétique (744) avec un noyau de bobine (746) pour l'essentiel en forme d'ergot mobile axialement, qui est aligné dans le sens axial avec le canal de guidage (774) de l'organe de fermeture (746a) et est mobile en direction de l'axe de l'ergot de blocage (720) afin de presser l'organe de fermeture (746a) dans la position de fermeture.
  7. Mécanisme de fermeture selon l'une des revendications 2 à 6,
    caractérisé en ce que
    l'ergot de blocage (20 ; 220 ; 620) est précontraint par un ressort (30 ; 230 ; 630) en direction de l'élément de mécanisme de fermeture (6 ; 134), et en ce que l'évidement (50 ; 250 ; 650) de l'ergot de blocage et/ou l'organe de fermeture (46 ; 246 ; 646 ; 746a) présente un flanc incliné afin que l'ergot de blocage, la bobine étant non excitée, repousse hors de l'évidement de l'ergot de blocage l'organe de fermeture en position de fermeture lorsque l'ergot de blocage quitte sa position de libération sous l'effet de la précontrainte du ressort.
  8. Mécanisme de fermeture selon l'une des revendications 2 à 7,
    caractérisé en ce que
    le noyau de bobine mobile (46) est formé d'un matériau non ferromagnétique et est monté mobile axialement dans une douille de noyau (60) cylindrique, creuse, fixe, traversant la bobine (44) et constituée d'un matériau ferromagnétique, et en ce que le dispositif électromagnétique d'arrêt (40) présente, à l'extrémité frontale de la bobine (44) distante de l'ergot de blocage (20), une plaquette formant induit (68) montée mobile en direction de la bobine (44) et depuis la bobine (44), plaquette qui, la bobine (44) étant excitée, est attirée par la bobine, afin de pousser l'extrémité du noyau de bobine mobile (46) distante de l'ergot de blocage (20) et de déplacer vers la position de fermeture le noyau de bobine mobile (46) ou le cas échéant un organe de fermeture entraíné par le noyau de bobine mobile (46).
  9. Mécanisme de fermeture selon la revendication 8,
    caractérisé en ce que
    la plaquette formant induit (68) est logée librement dans une chambre (66) contiguë à l'extrémité frontale de la bobine (44) distante de l'ergot de blocage (20).
  10. Mécanisme de fermeture selon l'une des revendications 1 à 2,
    caractérisé en ce que
    le dispositif électromagnétique d'arrêt (440 ; 540) comporte un moteur électrique (442 ; 542) et un organe de fermeture (446 ; 546) entraíné par le moteur électrique, qui peut être amené en prise avec l'élément de blocage (420 ; 520) afin d'immobiliser l'élément de blocage dans sa position de libération.
  11. Mécanisme de fermeture selon la revendication 10,
    caractérisé en ce que
    l'organe de fermeture est un ergot de fermeture (446) entraíné axialement par le moteur électrique (442) par l'intermédiaire d'un mécanisme vis-écrou (445), ergot qui peut s'engager dans un évidement (450) de l'élément de blocage (420) tourné vers l'ergot de fermeture (446) dans la position de libération de l'élément de blocage (420), afin d'immobiliser l'élément de blocage dans la position de libération.
  12. Mécanisme de fermeture selon la revendication 10,
    caractérisé en ce que
    l'organe de fermeture présente un bras de fermeture (546) pouvant tourner jusqu'à une position de fermeture sous l'action du moteur électrique (542), bras qui s'engage dans sa position de fermeture dans un évidement (550) de l'élément de blocage (520) afin d'immobiliser l'élément de blocage (520) dans la position de libération.
  13. Mécanisme de fermeture selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de mécanisme de fermeture (6) fait partie d'un mécanisme de fermeture de la serrure pouvant être fermé au moyen d'un clé (14) adaptée, en ce que la clé porte des informations d'autorisation de fermeture électriques et/ou magnétiques échangeables entre la clé et le mécanisme de fermeture et devant être contrôlées par le dispositif de commande pour actionner le dispositif électromagnétique d'arrêt (40), informations qui la caractérisent comme étant adaptée au mécanisme de fermeture, et en ce que le dispositif de commande est conçu pour activer le dispositif électromagnétique d'arrêt (40) en cas de détection de la clé adaptée afin d'immobiliser l'élément de blocage (20) dans sa position de libération.
  14. Mécanisme de fermeture selon l'une des revendications précédentes,
    caractérisé en ce que
    le dispositif électromagnétique d'arrêt peut être commandé à distance.
  15. Mécanisme de fermeture selon la revendication 2 ou selon l'une des revendications 3 à 14 si celle-ci se rattache directement ou indirectement à la revendication 2,
    caractérisé en ce
    qu'il est conformé en cylindre de fermeture (1) pour actionner la serrure, en ce que l'élément de mécanisme de fermeture (6) est un noyau de cylindre de fermeture (6) monté rotatif autour de son axe (22) dans le boítier de cylindre de fermeture (2) et pouvant être mis en rotation au moyen d'un clé (14), et en ce que l'ergot de blocage (20) est monté transversalement à l'axe du noyau de cylindre (6) et s'appuie sur la périphérie (15) du noyau de cylindre (6), dans lequel l'ergot de blocage (20), dans la position de verrouillage prédéterminée du noyau de cylindre, s'engage par son extrémité (32) voisine du noyau de cylindre (6) dans l'évidement (34) prévu sur la périphérie (15) du noyau de cylindre (6) à condition qu'il ne soit pas immobilisé dans sa position de libération par le dispositif électromagnétique d'arrêt (40).
  16. Mécanisme de fermeture selon la revendication 15,
    caractérisé en ce que
    le noyau de cylindre de fermeture (6) peut prendre dans la zone des positions de verrouillage une position de retrait dans laquelle la clé (14) peut être introduite dans un canal de clé (13) du noyau de cylindre (6) et peut être extraite du canal de clé (13), et en ce que, dans la position de retrait du noyau de cylindre (6), l'évidement (34) du noyau de cylindre (6) est tourné hors de sa position d'alignement, par rapport à l'ergot de blocage (20), correspondant à la position de verrouillage prédéterminée du noyau de cylindre (6), de sorte que l'ergot de blocage (20) s'appuie sur la périphérie (15) du noyau de cylindre (6) dans une position fournie à des fins d'immobilisation par le dispositif électromagnétique d'arrêt (40), l'évidement (34) étant placé de telle manière qu'il atteint sa position d'alignement par rapport à l'ergot de blocage (20) lorsque le noyau de cylindre (6), partant de la position de retrait, est tourné en direction de la position de déverrouillage, de sorte que l'ergot de blocage (6) peut pénétrer dans l'évidement sous l'effet de sa précontrainte, s'il n'est pas immobilisé par le dispositif électromagnétique d'arrêt (40).
  17. Mécanisme de fermeture selon l'une des revendications 15 à 16,
    caractérisé en ce que
    le noyau de cylindre (6) peut être tourné de sa position de déverrouillage à la position de verrouillage prédéterminée au moyen d'une clé adaptée mécaniquement même lorsque l'ergot de blocage (20) n'est pas immobilisé dans sa position de libération au moyen du dispositif électromagnétique d'arrêt.
  18. Mécanisme de fermeture selon l'une des revendications 16 à 17,
    caractérisé en ce que
    l'évidement (34) du noyau de cylindre est formé par un fraisage, dont le contour présente deux flancs (36 ; 38) allant à la rencontre l'un de l'autre, vu en coupe orthogonale à l'axe du noyau de cylindre (22), parmi lesquels l'un (38) s'étend pour l'essentiel parallèlement à l'ergot de blocage (20) dans la position de verrouillage prédéterminée du noyau de cylindre (6) et forme le flanc de blocage et l'autre (36) s'étend en oblique par rapport à l'axe de l'ergot de blocage (20) dans la position de verrouillage prédéterminée du noyau de cylindre (6) et forme un flanc à profil de came de commande (36) afin de repousser l'ergot de blocage (20) hors de l'évidement (34), le flanc à profil de came de commande (36) étant placé en sorte qu'il repousse l'ergot de blocage (20) hors de l'évidement (34) lorsque le noyau de cylindre (6), partant de la position de verrouillage prédéterminée, est tourné jusqu'à la position de retrait.
  19. Mécanisme de fermeture selon la revendication 18, rattachée à la revendication 16,
    caractérisé en ce que
    le noyau de cylindre (6a) présente un deuxième évidement (86) à des fins de prise par l'ergot de blocage (20a), dans lequel l'ergot de blocage (20a) s'engage avec effet de blocage lorsque le noyau de cylindre (6a), partant de sa position de déverrouillage, est tourné en direction de la zone des positions de verrouillage, et hors duquel est repoussé l'ergot de blocage (20a) lorsque le noyau de cylindre (6a) est de nouveau tourné vers la position de déverrouillage, la clé pouvant être introduite dans le canal de clé (13a) - et retirée du canal de clé (13a) - dans la position de déverrouillage du noyau de cylindre (6a).
  20. Mécanisme de fermeture selon l'une des revendications 15 à 19,
    caractérisé en ce que
    le noyau de cylindre de fermeture (6) est également immobilisé contre une rotation non autorisée hors de la zone des positions de verrouillage par des arrêts mécaniques (7), les arrêts (7) pouvant être ramenés par une clé (14) adaptée mécaniquement dans leurs positions libérant le noyau de cylindre (6) en vue de sa rotation.
  21. Mécanisme de fermeture selon l'une des revendications 1 à 14, pour un cadenas, en particulier un cadenas oblong, qui comprend un corps de serrure (110) et un étrier de fermeture (148) qui, à l'état verrouillé du cadenas (100), est relié au corps de serrure (110) au niveau des deux sections d'extrémité de ses branches (146), de telle manière qu'au moins une section de branche (146) s'enfonce dans un logement de branche (150) du corps de serrure (110) et y est verrouillée par un verrou de fermeture (134) monté mobile dans le corps de serrure (110) et s'engageant dans une surface de prise de verrou (158) de la section d'extrémité de branche (146), verrou qui peut être amené dans une position de déverrouillage libérant la section de branche (146) en vue de son mouvement d'extraction depuis le logement de branche (150) afin de déverrouiller le cadenas (100),
    caractérisé en ce que
    l'élément de mécanisme de fermeture est formé par le verrou de fermeture (134).
  22. Mécanisme de fermeture selon la revendication 21,
    caractérisé en ce que
    le verrou de fermeture (134) est conformé en tige de verrouillage mobile axialement transversalement à l'axe du logement de branche (150), en ce que l'élément de blocage (20) s'appuie transversalement à l'axe de la tige de fermeture (134), sous l'effet de sa précontrainte, contre un côté périphérique (215) présentant l'évidement (234).
  23. Mécanisme de fermeture selon la revendication 22,
    caractérisé en ce que
    l'évidement (234) est formé d'un fraisage qui présente un flanc sensiblement orthogonal à l'axe de la tige de fermeture (134) et formant le flanc de blocage (238) sur son côté plus proche du logement de branche (150), et d'un flanc incliné (236) sur son côté plus éloigné du logement de branche (150), l'évidement (234) étant décalé en direction du logement de branche (150) par rapport à la section de prise (232) de l'élément de blocage (22), conformé en particulier en ergot de blocage, lorsque la tige de fermeture (134) se trouve dans sa position extrême de verrouillage.
  24. Mécanisme de fermeture selon l'une des revendications précédentes,
    caractérisé par
    un dispositif (300) relié au dispositif de commande (251) en vue de la délivrance d'informations d'autorisation de fermeture par un utilisateur, le dispositif de commande (251) n'activant le dispositif électromagnétique d'arrêt (240) afin d'immobiliser l'élément de blocage (220) dans sa position de libération qu'après la délivrance d'informations d'autorisation de fermeture prédéterminées.
  25. Mécanisme de fermeture selon la revendication 24,
    caractérisé en ce que
    le dispositif (300) de délivrance d'informations d'autorisation de fermeture comprend des moyens (304) d'indication de combinaisons de signes en tant qu'informations d'autorisation de fermeture.
  26. Mécanisme de fermeture selon la revendication 21 ou l'une des revendications 22 à 25 si elle se rattache à la revendication 22,
    caractérisé en ce que
    le corps de serrure (110) présente un compartiment à piles (313) destiné à recevoir au moins une pile (315) pour l'alimentation électrique du dispositif électromagnétique d'arrêt (240) et du dispositif de commande (251).
  27. Mécanisme de fermeture selon l'une des revendications précédentes,
    caractérisé par
    un dispositif de commutation (82 ; 306) ouvrant ou fermant le circuit électrique du dispositif électromagnétique d'arrêt (40 ; 240) en fonction de la position de l'élément de mécanisme de fermeture (6 ; 134), dispositif de commutation qui maintient le circuit électrique fermé au moins lorsque l'évidement (34 ; 234) de l'élément de mécanisme de fermeture se trouve dans une position convenant à la prise de l'élément de blocage (20 ; 220).
  28. Mécanisme de fermeture selon la revendication 27,
    caractérisé en ce que
    le dispositif de commutation (306) comprend un commutateur mécanique (308, 309, 311) qui maintient le circuit ouvert lorsque l'élément de mécanisme de fermeture (134) se trouve dans sa position d'extrémité de verrouillage ou dans sa position de déverrouillage.
  29. Cadenas, caractérisé par un mécanisme de fermeture selon l'une des revendications 21 à 28.
EP95102099A 1994-02-16 1995-02-15 Mécanisme de blocage pour serrure Expired - Lifetime EP0668422B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4404914A DE4404914A1 (de) 1994-02-16 1994-02-16 Sperrmechanismus für ein Schloß
DE4404914 1994-02-16

Publications (2)

Publication Number Publication Date
EP0668422A1 EP0668422A1 (fr) 1995-08-23
EP0668422B1 true EP0668422B1 (fr) 1999-01-20

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AT (1) ATE176027T1 (fr)
DE (2) DE4404914A1 (fr)

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Also Published As

Publication number Publication date
DE4404914A1 (de) 1995-08-17
ATE176027T1 (de) 1999-02-15
DE59504847D1 (de) 1999-03-04
EP0668422A1 (fr) 1995-08-23

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