EP1022415A1 - Electromagnetic actuated locking mechanism - Google Patents

Electromagnetic actuated locking mechanism Download PDF

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Publication number
EP1022415A1
EP1022415A1 EP99124430A EP99124430A EP1022415A1 EP 1022415 A1 EP1022415 A1 EP 1022415A1 EP 99124430 A EP99124430 A EP 99124430A EP 99124430 A EP99124430 A EP 99124430A EP 1022415 A1 EP1022415 A1 EP 1022415A1
Authority
EP
European Patent Office
Prior art keywords
locking
locking mechanism
mechanism according
locking bolt
armature
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.)
Granted
Application number
EP99124430A
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German (de)
French (fr)
Other versions
EP1022415B1 (en
Inventor
Bernd Refflinghaus
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
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Filing date
Publication date
Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP1022415A1 publication Critical patent/EP1022415A1/en
Application granted granted Critical
Publication of EP1022415B1 publication Critical patent/EP1022415B1/en
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
    • E05B47/06—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • 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
    • E05B2047/0092—Operating or controlling locks or other fastening devices by electric or magnetic means including means for preventing manipulation by an external magnetic field, e.g. preventing opening by using a strong 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
    • E05B47/0002—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

Definitions

  • the invention relates to an electromagnetically activatable Locking mechanism, especially for a lock cylinder a mortise lock for optional blocking or releasing a movable one arranged in a housing Kerns, with one a structural unit with one Anchor-forming, which can be guided into the movement path of the core Locking bolt, with one in the open position for holding the Anchor in a movement of the core through the locking bolt releasing position designed electromagnet and with a in the closed position to bias the Locking bolt in a block the movement of the core Position designed locking spring.
  • Locking mechanism can be in an additional mechanical Pin tumblers for blocking the core Lock cylinder can be arranged.
  • the impulse is mostly generated by freely programmable control electronics.
  • the control electronics can, for example, by one in a key that moves the pin tumblers Activate code transmitter.
  • An access control system is known from EP 0 600 194 B1 known in which an electromagnetically activated Locking mechanism with a mechanically lockable locking cylinder forms a structural unit.
  • an electromagnetically activated Locking mechanism with a mechanically lockable locking cylinder forms a structural unit.
  • a control center controls the electromagnet depending on the data read out. For The lowest possible cabling effort is required that the electromagnet is on a data bus from the control center or with a battery can supply electrical current.
  • a locking cylinder is known from EP 0 526 904, where a coil of the electromagnet is below Pin tumblers is arranged.
  • the electromagnet is a coil core parallel to a closing channel slidably arranged for a core having a key.
  • the coil core can be removed from one of the end faces move the anchor plate arranged on the coil and penetrates in the open position in a notch of the vertical to the core locking bolt.
  • a disadvantage of this lock cylinder is that the coil core and that Anchor plate from one outside the lock cylinder arranged magnets can be moved. Hereby the locking mechanism can be unlocked by one unlock the lock of unauthorized persons.
  • the invention is based on the problem of a locking mechanism of the type mentioned in such a way that he provides the greatest possible security against an unauthorized person Unlocking offers.
  • the locking mechanism according to the invention has a special one low energy consumption when the electromagnet than Pot magnets with a flat pole surface for contacting the also just designed anchor is formed.
  • the electromagnet has another advantageous one Development of the invention very high holding forces in particular small dimensions when the pot magnet is one of a coil surrounded inner housing part and a Has spool surrounding outer housing part.
  • the outer housing part at the same time as a component of the housing shielding the electromagnet become.
  • the electromagnet can be inexpensively assemble producible turned parts.
  • the magnetically shielding the armature and the pole face Housing is designed according to another advantageous Development of the invention inexpensively when the electromagnet one adjacent to the pot magnet, the anchor comprehensive, made of magnetizable material Lid has and if the lid has a recess for Has implementation of the locking bolt.
  • the housing for shielding the pole face and the armature requires according to another advantageous training the invention requires particularly little construction, when the anchor, the lid and adjacent to the lid Areas of the electromagnet made of the same material are.
  • a line of strong, outside of the invention Locking mechanism arranged magnetic fields to the armature can be easily avoided if the locking bolt and the Lock spring made of a non-magnetic material are.
  • the locking mechanism according to the invention has a special one low energy consumption when facing the locking bolt the anchor by a predetermined amount in its direction of movement and / or across its direction of movement is kept mobile.
  • This design creates tolerances in the alignment between the electromagnet and the locking bolt through the movable design of the Locking bolt balanced against the anchor. The amount around which the locking bolt and anchor can move keep themselves very low for this.
  • the anchor lies reliably on the intended surface of the electromagnet on. Since the power requirement when the application is smooth Armature on a pole face of the electromagnet because of the very small and even air gap especially small is, the locking mechanism according to the invention particularly low power consumption.
  • the invention Locking mechanism can therefore be particularly long from a very small button cell with electrical Supply electricity.
  • the Electromagnet and armature with very small dimensions be provided.
  • the invention is designed Locking mechanism is particularly space-saving and suitable it is particularly suitable for installation in a locking cylinder a mortise lock.
  • the lock cylinder can mechanical in addition to the locking mechanism according to the invention Have blocking means.
  • Locking mechanism helps when in a basic position of the armature from the core against the pole face is biased. With this design, a unnecessary energy consumption avoided by the anchor must only be held by the electromagnet.
  • the basic position is, for example, in the lock cylinder locking mechanism used the position in the key can be removed from the locking channel can. If the locking mechanism is not released if the electromagnet receives no electrical impulse, so that the locking bolt when the core moves into the Barrier enters and prevents further movement. When the locking mechanism is released, the Electromagnet hold the armature against the pole face, thus the core without obstruction by the locking bolt can be moved. Because this makes the electromagnet He does not need to move the anchor, but only has to hold it particularly low forces and therefore only a very small one Field strength and thus a very low energy requirement.
  • the anchor is disc-shaped and the locking bolt pin-shaped.
  • a compensation of an angular deviation between the electromagnet and a guide for the locking bolt is designed according to an advantageous Further development of the invention is particularly constructive easy when the locking bolt can be pivoted relative to the anchor is. Furthermore, this design leads to a particularly simple assembly of the electromagnet, since this fixed in a holder without complex alignment can be.
  • the pre-assembled structural unit consisting of a locking bolt and Anker is structurally particularly simple if the locking bolt penetrates the anchor in a recess Has spigot and if the free end of the spigot has a widening for reaching behind the anchor. This ensures that the amount to opposite the locking bolt in its direction of movement the anchor is slidable, the intended for Function of the locking mechanism does not exceed the necessary dimension.
  • Annoying noises of the locking mechanism according to the invention can be easily avoided by using the locking bolt a retaining spring is clamped away from the anchor.
  • the locking mechanism is easy to prevent when the locking bolt is in the open position during a rotation of the core slightly against the force of the retaining spring is movable.
  • the locking bolt can, for example protrude slightly into the path of movement of the core.
  • the locking bolt is also with armature resting on the pole face with every revolution of the core moved slightly and thus sticking or rust film solved.
  • the core could be a single wedge-shaped Locking recess for receiving the locking bolt in the closed position have, so that it is only in the closed position a direction can be moved.
  • the locking mechanism according to the invention equipped lock only lock but without Do not unlock the pulse at the electromagnet.
  • the locking bolt is advantageous according to another Development of the invention with every movement of the Kerns moved multiple times when the core was two next to each other arranged troughs adjacent to a residual to penetrate the locking bolt. This will rusting or sticking the locking bolt in the open position avoided particularly reliably.
  • the manufacture of the locking mechanism according to the invention is designed itself particularly easy when the electromagnet designed cylindrical and in a likewise cylindrical, recess tapering to the movable core is arranged.
  • the intended position of the locking bolt opposite the Electromagnets can be advantageous according to another Further development of the invention simply determine if the residual in a mounting position of the electromagnet is oriented towards the locking bolt. For assembly the core is simply moved into the assembly position. Subsequently can the electromagnet together with the Anchor, the locking bolt and the locking spring up to the stop, where the locking bolt from the residue against the Anchor plate and this is pressed against the pole face, insert into the recess and fasten.
  • the locking bolt penetrating into the locking trough can become cant in its guide without damaging its flanks be when the locking bolt is all-round, in one in the closed position between the recess and the Core located area arranged clamping groove. If the locking mechanism is tried in the closed position, prevent the core from moving with great force at first the shear forces on the locking bolt and locking trough rotate of the locking bolt. The same time as the radial attack Shear forces on the locking bolt and vertical Forces acting on the locking bolt try the locking bolt easy to tilt and against the force of the locking spring to push out of the recess.
  • the perpendicular to forces acting on the locking bolt are, for example due to asymmetries in the arrangement of locking bolts and Core or through the necessary play of the locking bolt in his leadership evoked. Thanks to the invention can the locking bolt no longer moves out of the locking recess, because the edge of the locking trough in this clamping groove engages and the locking bolt tilts slightly, so that an edge of the guide of the locking bolt also in the Engages clamping groove.
  • Figure 1 shows a partial section in the longitudinal direction through a double-profile locking cylinder provided for a mortise lock 1.
  • the lock cylinder 1 has two housing parts connected to one another via a web 2 3, 4 on.
  • the housing parts 3, 4 are used for Inclusion of a key, not shown rotatable core 5, 6.
  • the core 5 can be couple with a lock bit 7 rotatably and from block several mechanical pin tumblers 8. Between the pin tumblers 8 and the lock bit 7 a locking mechanism 9 according to the invention arranged.
  • the locking mechanism 9 according to the invention has one in one Recess 10 of the lock cylinder 1 attached electromagnet 11 and one in a locking trough 12 of the core 5 movable locking bolt 13.
  • FIG. 2 shows the locking cylinder 1 from FIG. 1 in a sectional view along the line II - II through the locking mechanism according to the invention 9.
  • the locking bolt 13 is with one on the pole face 14 of the electromagnet 11 adjacent anchor 15 is connected and is held by a retaining spring 16 clamped away from the anchor 15.
  • the electromagnet 11 is a pot magnet 17 with an inner and a outer housing part 18, 19 formed. Between Housing parts 18, 19, a coil 20 is arranged. Farther the electromagnet 11 is shielded from a housing 21.
  • the housing 21 is made up of the outer housing part 19 and one connected to it, the anchor 15 overlapping cover 22 together.
  • the lid 22 and the outer housing part 19 are made of the same magnetizable Made of material.
  • the invention Locking mechanism 9 not by a strong magnet To get picked up.
  • the locking bolt 13, the retaining spring 16 and a locking spring 23 are made of a non-magnetic material made to initiate magnetic Avoid field lines to the anchor 15.
  • the locking bolt 13 has a pin 24 with which it disc-shaped anchor 15 in a step-shaped Recess penetrates 25.
  • the pin 24 is with a the widening 26 engaging behind the anchor 15.
  • the recess 25 in the armature 15 is dimensioned that the locking bolt 13 is slightly opposite the anchor 15 axially shift and pivot.
  • One in the Cover 22 arranged recess 31 for performing the Lock bolt 13 is also slightly larger for this designed as the locking bolt 13.
  • the locking bolt 13 has in the lock cylinder 1 a guide 27. Also shows Figure 2 that two locking troughs 12, 28 incorporated in the core 5 are, each having a wedge-shaped shape and adjoin a residual 29. The trajectory of the residual 29 when turning the core 5 is in the range the locking bolt 13 shown in phantom.
  • the locking bolt 13 can be pivoted relative to the armature 15 ensures that tolerances, for example, in the Alignment of the recess 10 for the electromagnet 11 and the guide 27 of the locking bolt 13 does not become one Clamping the locking bolt 13 or an uneven system of the armature 15 on the pole face 14.
  • Figure 3 shows the locking mechanism according to the invention 9 in a locked position.
  • the Locking bolt 13 through the locking spring 23 in one of the recesses 12 biased.
  • the anchor 15 is thus in a position remote from the pole face 14.
  • On strong, from outside on the locking mechanism according to the invention 9 acting magnetic field does not lead to one Movement of the armature 15 in the direction of the pole face 14 since this area of the cover 22 and the outer housing part 19 of the electromagnet 11 is shielded.
  • the in the locking trough 12 protruding area of the locking bolt 13 is provided with a circumferential clamping groove 30. This Clamping groove 30 is located in the adjacent area between the core 5 and the housing 3.
  • FIG 4 shows the locking mechanism according to the invention 9 in a basic position. In this position you can insert a key into a locking channel 32 of the core 5 and pull out of this. This expresses Residual 29 of the core 5 the locking bolt 13 against the force the locking spring 23 towards the electromagnet 11. The The locking bolt 13 is in turn against the armature 15 biased and presses it against the pole face 14 of the Electromagnets 11. A current supply to the electromagnet 11 is not required for this.
  • Electromagnet 11 is de-energized, so that the locking bolt 13 at a rotation of the core 5, as shown in Figure 3, in the locking trough 12 penetrates.
  • the electromagnet 11 When the Locking mechanism 9 in the open position is the electromagnet 11 energizes and holds the armature 15, as in Figure 2 shown, on the pole face 14. The core 5 can be then turn. This shows that the Electromagnet 11 only for holding the armature 15 and not is trained to move.
  • the locking mechanism according to the invention 9 in the basic position shown in the locking cylinder 1 assemble.
  • the locking mechanism according to the invention 9 can be together with the electromagnet 11, the Locking bolt 13 and the cover 22 to form a structural unit pre-assemble. Then this structural unit inserted into the recess 10 of the lock cylinder 1. First, the locking bolt 13 comes against Residual 29. The structural unit, however, is up to the stop moved on until the locking bolt 13 and the anchor 15 between the residual 29 and the electromagnet 11 are clamped. Then the electromagnet 11 attached in the recess 10 of the lock cylinder 1. This attachment can be done, for example, by gluing, Jamming or screwing.

Abstract

The cylinder lock core (5) is normally turned by a profiled key which releases locking plungers but an additional lock is provided by the armature (15), of an electromagnet (11), which is held by a spring (23) until the magnet is energized. The magnet is housed within a magnetic material (21).

Description

Die Erfindung betrifft einen elektromagnetisch aktivierbaren Sperrmechanismus, insbesondere für einen Schließzylinder eines Einsteckschlosses zum wahlweisen Blockieren oder Freigeben eines in einem Gehäuse angeordneten beweglichen Kerns, mit einem eine bauliche Einheit mit einem Anker bildenden, in die Bewegungsbahn des Kerns führbaren Sperriegel, mit einem in Offenstellung zur Halterung des Ankers in einer eine Bewegung des Kerns durch den Sperrriegel freigebenden Stellung gestalteten Elektromagneten und mit einer in Schließstellung zur Vorspannung des Sperriegels in eine die Bewegung des Kerns blockierende Stellung gestalteten Sperrfeder.The invention relates to an electromagnetically activatable Locking mechanism, especially for a lock cylinder a mortise lock for optional blocking or releasing a movable one arranged in a housing Kerns, with one a structural unit with one Anchor-forming, which can be guided into the movement path of the core Locking bolt, with one in the open position for holding the Anchor in a movement of the core through the locking bolt releasing position designed electromagnet and with a in the closed position to bias the Locking bolt in a block the movement of the core Position designed locking spring.

Solche Sperrmechanismen werden insbesondere in modernen Zutrittskontrollanlagen häufig eingesetzt. Hierbei läßt sich der Sperrmechanismus mittels eines elektrischen, den Elektromagneten ansteuernden Impuls entriegeln. Der Sperrmechanismus kann in einem zusätzlich mechanische Stiftzuhaltungen zur Blockierung des Kerns aufweisenden Schließzylinder angeordnet sein. Der Impuls wird meist von einer frei programmierbaren Steuerelektronik erzeugt. Die Steuerelektronik läßt sich beispielsweise von einem in einem die Stiftzuhaltungen bewegenden Schlüssel abgelegten Codegeber ansteuern.Such locking mechanisms are particularly common in modern Access control systems often used. Here leaves the locking mechanism by means of an electrical, the Unlock the electromagnet-driving pulse. The Locking mechanism can be in an additional mechanical Pin tumblers for blocking the core Lock cylinder can be arranged. The impulse is mostly generated by freely programmable control electronics. The control electronics can, for example, by one in a key that moves the pin tumblers Activate code transmitter.

Aus der EP 0 600 194 B1 ist eine Zutrittskontrollanlage bekannt, bei der ein elektromagnetisch aktivierbarer Sperrmechanismus mit einem mechanisch sperrbaren Schließzylinder eine bauliche Einheit bildet. In einem Schlüssel zum Betätigen des Schließzylinder ist ein Datenspeicher angeordnet, der beim Einführen in den Schließzylinder ausgelesen wird. Eine Zentrale steuert den Elektromagneten in Abhängigkeit von den ausgelesenen Daten an. Für einen möglichst geringen Verkabelungsaufwand ist es erforderlich, daß sich der Elektromagnet über einen Datenbus von der Zentrale oder mittels einer Batterie mit elektrischem Strom versorgen läßt.An access control system is known from EP 0 600 194 B1 known in which an electromagnetically activated Locking mechanism with a mechanically lockable locking cylinder forms a structural unit. In a key There is a data memory for actuating the locking cylinder arranged the when inserted into the lock cylinder is read out. A control center controls the electromagnet depending on the data read out. For The lowest possible cabling effort is required that the electromagnet is on a data bus from the control center or with a battery can supply electrical current.

Durch die EP 0 526 904 ist ein Schließzylinder bekannt, bei dem eine Spule des Elektromagneten unterhalb von Stiftzuhaltungen angeordnet ist. In dem Elektromagneten ist ein Spulenkern parallel zu einem einen Schließkanal für einen Schlüssel aufweisenden Kern verschieblich angeordnet. Der Spulenkern läßt sich von an einer der Stirnseiten der Spule angeordneten Ankerplättchen verschieben und dringt in Offenstellung in eine Kerbe des senkrecht auf den Kern zulaufenden Sperriegels ein. Nachteilig bei diesem Schließzylinder ist, daß der Spulenkern und das Ankerplättchen von einem außerhalb des Schließzylinders angeordneten Magneten bewegt werden können. Hierdurch läßt sich der Sperrmechanismus von einem zum Entriegeln des Schlosses nicht Berechtigten entriegeln.A locking cylinder is known from EP 0 526 904, where a coil of the electromagnet is below Pin tumblers is arranged. In the electromagnet is a coil core parallel to a closing channel slidably arranged for a core having a key. The coil core can be removed from one of the end faces move the anchor plate arranged on the coil and penetrates in the open position in a notch of the vertical to the core locking bolt. A disadvantage of this lock cylinder is that the coil core and that Anchor plate from one outside the lock cylinder arranged magnets can be moved. Hereby the locking mechanism can be unlocked by one unlock the lock of unauthorized persons.

Aus der US 5,014,030 ist ein elektromagnetisch aktivierbarer Sperrmechanismus bekannt, bei dem der Sperriegel in Schließstellung in eine Ausnehmung eines scheibenförmigen Kerns eindringt. Der Elektromagnet hat einen U-förmigen Kern und an einem Schenkel des Kerns eine Spule. Der Anker und der Sperriegel sind einteilig aus einem magnetisierbaren Material gefertigt. In einem bestromten Zustand des Elektromagneten liegt der Anker an den freien Enden der Schenkel des Elektromagneten an. Der Sperriegel wird damit gegen die Kraft der Sperrfeder in eine von dem scheibenförmigen Kern entfernten Stellung vorgespannt. Der scheibenförmige Kern läßt sich dadurch drehen. Dies kennzeichnet die Offenstellung. Nachteilig hierbei ist jedoch, daß der Elektromagnet durch den U-förmig gebogenen Kern sehr große Abmessungen aufweist und einen sehr hohen Energieverbrauch hat. Weiterhin läßt sich der Sperriegel von einem außerhalb des Sperrmechanismus angeordneten Magneten bewegen. Hierdurch kann der Sperrmechanismus unabhängig von einer Bestromung des Elektromagneten von einer Schließstellung in die Offenstellung bewegt werden.From US 5,014,030 is an electromagnetically activated Locking mechanism known in which the locking bolt in Closed position in a recess of a disc-shaped Kerns penetrates. The electromagnet has a U-shaped Core and on one leg of the core a coil. The anchor and the locking bolt are in one piece from a magnetizable Made of material. In an energized state the armature of the electromagnet is at the free ends the leg of the electromagnet. The lock bolt will thus against the force of the locking spring in one of those biased disc-shaped core distant position. This allows the disc-shaped core to be rotated. This indicates the open position. The disadvantage here is however, that the electromagnet is bent by the U-shape Core has very large dimensions and a very has high energy consumption. Furthermore, the locking bolt can from an outside of the locking mechanism Move magnets. This allows the locking mechanism independent of energization of the electromagnet moved from a closed position to the open position become.

Der Erfindung liegt das Problem zugrunde, einen Sperrmechanismus der eingangs genannten Art so zu gestalten, daß er eine möglichst große Sicherheit gegen ein unberechtigtes Entriegeln bietet.The invention is based on the problem of a locking mechanism of the type mentioned in such a way that he provides the greatest possible security against an unauthorized person Unlocking offers.

Dieses Problem wird erfindungsgemäß dadurch gelöst, daß der Anker und eine zur Anlage des Ankers vorgesehene Polfläche des Elektromagneten ein gemeinsames, aus magnetisierbarem Material gefertigtes Gehäuse haben.This problem is solved according to the invention in that the armature and a pole face provided for contacting the armature of the electromagnet a common, made of magnetizable Have material-made housing.

Durch diese Gestaltung werden die Feldlinien von dem von außen aufgebrachten starken Magnetfeld um den Anker und die Polfläche herumgeführt, so daß der Anker und der Elektromagnet zuverlässig abgeschirmt sind. Damit ist es für einen zum Entriegeln des erfindungsgemäßen Sperrmechanismus nicht Berechtigten nicht möglich, ohne großen Aufwand den Sperriegel aus der Sperrmulde zu entfernen. Der Kern verbleibt damit in seiner unbeweglichen Position. Eine Aufhebung des erfindungsgemäßen Sperrmechanismus durch ein von außen aufgebrachtes starkes Magnetfeld wird hierdurch ebenfalls vermieden.With this design, the field lines of the strong magnetic field applied around the armature and the pole face led around so that the armature and the Electromagnet are reliably shielded. So that's it for one for unlocking the locking mechanism according to the invention not authorized not possible without large Effort to remove the locking bolt from the locking trough. The core thus remains in its immovable position. A lifting of the locking mechanism according to the invention by a strong magnetic field applied from the outside this also avoided.

Der erfindungsgemäße Sperrmechanismus hat einen besonders geringen Energieverbrauch, wenn der Elektromagnet als Topfmagneten mit einer ebenen Polfläche zur Anlage des ebenfalls eben gestalteten Ankers ausgebildet ist. The locking mechanism according to the invention has a special one low energy consumption when the electromagnet than Pot magnets with a flat pole surface for contacting the also just designed anchor is formed.

Der Elektromagnet hat gemäß einer anderen vorteilhaften Weiterbildung der Erfindung sehr hohe Haltekräfte bei besonders kleinen Abmessungen, wenn der Topfmagnet ein von einer Spule umgebenes inneres Gehäuseteil und ein die Spule umgreifendes äußeres Gehäuseteil hat. Hierdurch kann das äußere Gehäuseteil gleichzeitig als Bestandteil des den Elektromagneten abschirmenden Gehäuses eingesetzt werden. Weiterhin läßt sich der Elektromagnet aus kostengünstig herstellbaren Drehteilen zusammenstellen.The electromagnet has another advantageous one Development of the invention very high holding forces in particular small dimensions when the pot magnet is one of a coil surrounded inner housing part and a Has spool surrounding outer housing part. Hereby can the outer housing part at the same time as a component of the housing shielding the electromagnet become. Furthermore, the electromagnet can be inexpensively assemble producible turned parts.

Zur weiteren Erhöhung der Haltekräfte des Elektromagneten trägt es bei, wenn die Polfläche an dem inneren Gehäuseteil und dem äußeren Gehäuseteil angeordnet ist.To further increase the holding force of the electromagnet it helps if the pole face on the inner housing part and the outer housing part is arranged.

Das den Anker und die Polfläche magnetisch abschirmende Gehäuse gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung kostengünstig, wenn der Elektromagnet einen an den Topfmagneten angrenzenden, den Anker übergreifenden, aus magnetisierbarem Material gefertigten Deckel hat und wenn der Deckel eine Ausnehmung zur Durchführung des Sperriegels hat.The magnetically shielding the armature and the pole face Housing is designed according to another advantageous Development of the invention inexpensively when the electromagnet one adjacent to the pot magnet, the anchor comprehensive, made of magnetizable material Lid has and if the lid has a recess for Has implementation of the locking bolt.

Das Gehäuse zur Abschirmung der Polfläche und des Ankers erfordert gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einen besonders geringen baulichen Aufwand, wenn der Anker, der Deckel und an den Deckel angrenzende Bereiche des Elektromagneten aus demselben Material gefertigt sind.The housing for shielding the pole face and the armature requires according to another advantageous training the invention requires particularly little construction, when the anchor, the lid and adjacent to the lid Areas of the electromagnet made of the same material are.

Eine Leitung von starken, außerhalb des erfindungsgemäßen Sperrmechanismus angeordneten Magnetfeldern zu dem Anker läßt sich einfach vermeiden, wenn der Sperriegel und die Sperrfeder aus einem unmagnetischen Material gefertigt sind. A line of strong, outside of the invention Locking mechanism arranged magnetic fields to the armature can be easily avoided if the locking bolt and the Lock spring made of a non-magnetic material are.

Der erfindungsgemäße Sperrmechanismus hat einen besonders geringen Energieverbrauch, wenn der Sperriegel gegenüber dem Anker um einen vorgesehenen Betrag in seiner Bewegungsrichtung und/oder quer zu seiner Bewegungsrichtung beweglich gehalten ist. Durch diese Gestaltung werden Toleranzen in der Ausrichtung zwischen dem Elektromagneten und dem Sperriegel durch die bewegliche Gestaltung des Sperriegels gegenüber dem Anker ausgeglichen. Der Betrag, um den sich Sperriegel und Anker bewegen können, läßt sich hierfür sehr gering halten. Hierdurch liegt der Anker zuverlässig an der vorgesehenen Fläche des Elektromagneten an. Da der Strombedarf beim glatten Anliegen des Ankers an einer Polfläche des Elektromagneten wegen des sehr geringen und gleichmäßigen Luftspaltes besonders gering ist, weist der erfindungsgemäße Sperrmechanismus einen besonders geringen Stromverbrauch auf. Der erfindungsgemäße Sperrmechanismus läßt sich deshalb besonders lange von einer sehr kleinen Knopfzelle mit elektrischem Strom versorgen. Dank der Erfindung können zudem der Elektromagnet und der Anker mit sehr kleinen Abmessungen versehen werden. Hierdurch gestaltet sich der erfindungsgemäße Sperrmechanismus besonders platzsparend und eignet sich damit insbesondere zum Einbau in einen Schließzylinder eines Einsteckschlosses. Der Schließzylinder kann hierbei neben dem erfindungsgemäßen Sperrmechanismus mechanische Sperrmittel aufweisen.The locking mechanism according to the invention has a special one low energy consumption when facing the locking bolt the anchor by a predetermined amount in its direction of movement and / or across its direction of movement is kept mobile. This design creates tolerances in the alignment between the electromagnet and the locking bolt through the movable design of the Locking bolt balanced against the anchor. The amount around which the locking bolt and anchor can move keep themselves very low for this. As a result, the anchor lies reliably on the intended surface of the electromagnet on. Since the power requirement when the application is smooth Armature on a pole face of the electromagnet because of the very small and even air gap especially small is, the locking mechanism according to the invention particularly low power consumption. The invention Locking mechanism can therefore be particularly long from a very small button cell with electrical Supply electricity. Thanks to the invention, the Electromagnet and armature with very small dimensions be provided. As a result, the invention is designed Locking mechanism is particularly space-saving and suitable it is particularly suitable for installation in a locking cylinder a mortise lock. The lock cylinder can mechanical in addition to the locking mechanism according to the invention Have blocking means.

Zur weiteren Verringerung des Energieverbrauchs des erfindungsgemäßen Sperrmechanismus trägt es bei, wenn in einer Grundstellung der Anker von dem Kern gegen die Polfläche vorgespannt ist. Durch diese Gestaltung wird ein unnötiger Energieverbrauch dadurch vermieden, daß der Anker von dem Elektromagneten nur gehalten werden muß. Die Grundstellung ist beispielsweise bei dem in den Schließzylinder eingesetzten Sperrmechanismus die Stellung, in der der Schlüssel aus dem Schließkanal abgezogen werden kann. Bei einer fehlenden Freigabe des Sperrmechanismus erhält der Elektromagnet keinen elektrischen Impuls, so daß der Sperriegel bei einer Bewegung des Kerns in die Sperrmulde eindringt und eine weitere Bewegung verhindert. Bei einer Freigabe des Sperrmechanismus muß der Elektromagnet den an der Polfläche anliegenden Anker halten, damit der Kern ohne Behinderung durch den Sperriegel bewegt werden kann. Da der Elektromagnet hierdurch den Anker nicht bewegen, sondern nur halten muß, benötigt er besonders geringe Kräfte und und somit eine nur sehr geringe Feldstärke und damit einen sehr geringen Energiebedarf.To further reduce the energy consumption of the invention Locking mechanism helps when in a basic position of the armature from the core against the pole face is biased. With this design, a unnecessary energy consumption avoided by the anchor must only be held by the electromagnet. The The basic position is, for example, in the lock cylinder locking mechanism used the position in the key can be removed from the locking channel can. If the locking mechanism is not released if the electromagnet receives no electrical impulse, so that the locking bolt when the core moves into the Barrier enters and prevents further movement. When the locking mechanism is released, the Electromagnet hold the armature against the pole face, thus the core without obstruction by the locking bolt can be moved. Because this makes the electromagnet He does not need to move the anchor, but only has to hold it particularly low forces and therefore only a very small one Field strength and thus a very low energy requirement.

In der Regel ist der Anker scheibenförmig gestaltet und der Sperriegel stiftförmig. Ein Ausgleich einer Winkelabweichung zwischen dem Elektromagneten und einer Führung für den Sperriegel gestaltet sich gemäß einer vorteilhaften Weiterbildung der Erfindung konstruktiv besonders einfach, wenn der Sperriegel gegenüber dem Anker verschwenkbar ist. Weiterhin führt diese Gestaltung zu einer besonders einfachen Montage des Elektromagneten, da dieser ohne aufwendige Ausrichtung in einer Aufnahme befestigt werden kann.As a rule, the anchor is disc-shaped and the locking bolt pin-shaped. A compensation of an angular deviation between the electromagnet and a guide for the locking bolt is designed according to an advantageous Further development of the invention is particularly constructive easy when the locking bolt can be pivoted relative to the anchor is. Furthermore, this design leads to a particularly simple assembly of the electromagnet, since this fixed in a holder without complex alignment can be.

Die vormontierbare bauliche Einheit aus Sperriegel und Anker gestaltet sich konstruktiv besonders einfach, wenn der Sperriegel einen den Anker in einer Ausnehmung durchdringenden Zapfen hat und wenn das freie Ende des Zapfens zur Hintergreifung des Ankers eine Verbreiterung aufweist. Hierdurch wird sichergestellt, daß der Betrag, um den der Sperriegel in seiner Bewegungsrichtung gegenüber dem Anker verschiebbar ist, das vorgesehene, für die Funktion des Sperrmechanismus notwendige Maß nicht überschreitet. The pre-assembled structural unit consisting of a locking bolt and Anker is structurally particularly simple if the locking bolt penetrates the anchor in a recess Has spigot and if the free end of the spigot has a widening for reaching behind the anchor. This ensures that the amount to opposite the locking bolt in its direction of movement the anchor is slidable, the intended for Function of the locking mechanism does not exceed the necessary dimension.

Störende Geräusche des erfindungsgemäßen Sperrmechanismus lassen sich einfach vermeiden, wenn der Sperriegel mittels einer Haltefeder von dem Anker weggespannt ist.Annoying noises of the locking mechanism according to the invention can be easily avoided by using the locking bolt a retaining spring is clamped away from the anchor.

Ein Einrosten oder Festkleben des Sperriegels in Offenstellung des Sperrmechanismus läßt sich einfach verhindern, wenn der Sperriegel in Offenstellung bei einer Drehung des Kerns geringfügig gegen die Kraft der Haltefeder verschiebbar ist. Hierfür kann der Sperriegel beispielsweise geringfügig in die Bewegungsbahn des Kerns hineinragen. Durch diese Gestaltung wird der Sperriegel auch bei an der Polfläche anliegendem Anker bei jeder Umdrehung des Kerns geringfügig bewegt und damit Verklebungen oder Flugrost gelöst.A rusting or sticking of the locking bolt in the open position the locking mechanism is easy to prevent when the locking bolt is in the open position during a rotation of the core slightly against the force of the retaining spring is movable. For this purpose, the locking bolt can, for example protrude slightly into the path of movement of the core. With this design, the locking bolt is also with armature resting on the pole face with every revolution of the core moved slightly and thus sticking or rust film solved.

Der Kern könnte beispielsweise eine einzige keilförmige Sperrmulde zur Aufnahme des Sperriegels in Schließstellung aufweisen, so daß er in der Schließstellung nur in eine Richtung bewegt werden kann. Beispielsweise ließe sich hierdurch ein mit dem erfindungsgemäßen Sperrmechanismus ausgestattetes Schloß nur zuschließen, aber ohne Impuls an den Elektromagneten nicht mehr aufschließen. Der Sperriegel wird jedoch gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei jeder Bewegung des Kerns mehrfach bewegt, wenn der Kern zwei nebeneinander angeordnete, jeweils an ein Residuum angrenzende Sperrmulden zum Eindringen des Sperriegels hat. Hierdurch wird das Einrosten oder Festkleben des Sperriegels in Offenstellung besonders zuverlässig vermieden.For example, the core could be a single wedge-shaped Locking recess for receiving the locking bolt in the closed position have, so that it is only in the closed position a direction can be moved. For example, let thereby a with the locking mechanism according to the invention equipped lock only lock, but without Do not unlock the pulse at the electromagnet. However, the locking bolt is advantageous according to another Development of the invention with every movement of the Kerns moved multiple times when the core was two next to each other arranged troughs adjacent to a residual to penetrate the locking bolt. This will rusting or sticking the locking bolt in the open position avoided particularly reliably.

Die Fertigung des erfindungsgemäßen Sperrmechanismus gestaltet sich besonders einfach, wenn der Elektromagnet zylinderförmig gestaltet und in einer ebenfalls zylinderförmigen, auf den beweglichen Kern zulaufenden Ausnehmung angeordnet ist. The manufacture of the locking mechanism according to the invention is designed itself particularly easy when the electromagnet designed cylindrical and in a likewise cylindrical, recess tapering to the movable core is arranged.

Die vorgesehene Position des Sperriegels gegenüber dem Elektromagneten läßt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach festlegen, wenn das Residuum in einer Montagestellung des Elektromagneten auf den Sperriegel weisend ausgerichtet ist. Zur Montage wird einfach der Kern in die Montagestellung bewegt. Anschließend läßt sich der Elektromagnet zusammen mit dem Anker, dem Sperriegel und der Sperrfeder bis zum Anschlag, bei dem der Sperriegel von dem Residuum gegen die Ankerplatte und diese gegen die Polfläche gedrückt wird, in die Ausnehmung einführen und befestigen.The intended position of the locking bolt opposite the Electromagnets can be advantageous according to another Further development of the invention simply determine if the residual in a mounting position of the electromagnet is oriented towards the locking bolt. For assembly the core is simply moved into the assembly position. Subsequently can the electromagnet together with the Anchor, the locking bolt and the locking spring up to the stop, where the locking bolt from the residue against the Anchor plate and this is pressed against the pole face, insert into the recess and fasten.

Der in die Sperrmulde eindringende Sperriegel kann sich in seiner Führung verkanten, ohne daß seine Flanken beschädigt werden, wenn der Sperriegel eine umlaufende, in einem in Schließstellung zwischen der Ausnehmung und dem Kern befindlichen Bereich angeordnete Klemmnut aufweist. Wird in Schließstellung des Sperrmechanismus versucht, den Kern mit großer Kraft zu bewegen, verhindern zunächst die Scherkräfte an Sperriegel und Sperrmulde eine Rotation des Sperriegels. Die gleichzeitig zu den radial angreifenden Scherkräften an dem Sperriegel und senkrecht wirkenden Kräfte auf den Sperriegel versuchen den Sperrriegel leicht zu kippen und gegen die Kraft der Sperrfeder aus der Sperrmulde herauszudrücken. Die senkrecht auf den Sperriegel wirkenden Kräfte werden beispielsweise durch Unsymmetrien in der Anordnung von Sperriegel und Kern oder auch durch notwendiges Spiel des Sperriegels in seiner Führung hervorgerufen. Dank der Erfindung kann sich der Sperriegel nicht mehr aus der Sperrmulde herausbewegen, da der Rand der Sperrmulde in diese Klemmnut eingreift und den Sperriegel geringfügig kippt, so daß ein Rand der Führung des Sperriegels ebenfalls in die Klemmnut eingreift. The locking bolt penetrating into the locking trough can become cant in its guide without damaging its flanks be when the locking bolt is all-round, in one in the closed position between the recess and the Core located area arranged clamping groove. If the locking mechanism is tried in the closed position, prevent the core from moving with great force at first the shear forces on the locking bolt and locking trough rotate of the locking bolt. The same time as the radial attack Shear forces on the locking bolt and vertical Forces acting on the locking bolt try the locking bolt easy to tilt and against the force of the locking spring to push out of the recess. The perpendicular to forces acting on the locking bolt are, for example due to asymmetries in the arrangement of locking bolts and Core or through the necessary play of the locking bolt in his leadership evoked. Thanks to the invention can the locking bolt no longer moves out of the locking recess, because the edge of the locking trough in this clamping groove engages and the locking bolt tilts slightly, so that an edge of the guide of the locking bolt also in the Engages clamping groove.

Die Erfindung läßt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in

Fig. 1
einen Teilschnitt in Längsrichtung durch einen Schließzylinder mit einem erfindungsgemäßen Sperrmechanismus,
Fig.2
eine Schnittdarstellung durch den Schließzylinder entlang der Linie II - II in einer Offenstellung des Sperrmechanismus,
Fig.3
den Sperrmechanismus aus Figur 1 in einer Sperrstellung,
Fig.4
den Sperrmechanismus in einer Grundstellung.
The invention permits numerous embodiments. To further clarify its basic principle, one of these is shown in the drawing and is described below. This shows in
Fig. 1
2 shows a partial section in the longitudinal direction through a locking cylinder with a locking mechanism according to the invention,
Fig. 2
2 shows a sectional view through the locking cylinder along the line II-II in an open position of the locking mechanism,
Fig. 3
1 in a locked position,
Fig. 4
the locking mechanism in a basic position.

Die Figur 1 zeigt einen Teilschnitt in Längsrichtung durch einen für ein Einsteckschloß vorgesehenen Doppelprofil-Schließzylinder 1. Der Schließzylinder 1 weist zwei über einen Steg 2 miteinander verbundene Gehäuseteile 3, 4 auf. Die Gehäuseteile 3, 4 dienen jeweils zur Aufnahme eines mittels eines nicht dargestellten Schlüssels drehbaren Kerns 5, 6. Zur Vereinfachung der Zeichnung ist nur einer der Kerne 5 mit dem entsprechenden Gehäuseteil 3 geschnitten dargestellt. Der Kern 5 läßt sich mit einem Schließbart 7 drehbeweglich kuppeln und von mehreren mechanischen Stiftzuhaltungen 8 blockieren. Zwischen den Stiftzuhaltungen 8 und dem Schließbart 7 ist ein erfindungsgemäßer Sperrmechanismus 9 angeordnet. Der erfindungsgemäße Sperrmechanismus 9 hat einen in einer Ausnehmung 10 des Schließzylinders 1 befestigten Elektromagneten 11 und einen in eine Sperrmulde 12 des Kerns 5 beweglichen Sperriegel 13. Figure 1 shows a partial section in the longitudinal direction through a double-profile locking cylinder provided for a mortise lock 1. The lock cylinder 1 has two housing parts connected to one another via a web 2 3, 4 on. The housing parts 3, 4 are used for Inclusion of a key, not shown rotatable core 5, 6. To simplify the drawing is only one of the cores 5 with the corresponding housing part 3 shown in section. The core 5 can be couple with a lock bit 7 rotatably and from block several mechanical pin tumblers 8. Between the pin tumblers 8 and the lock bit 7 a locking mechanism 9 according to the invention arranged. The locking mechanism 9 according to the invention has one in one Recess 10 of the lock cylinder 1 attached electromagnet 11 and one in a locking trough 12 of the core 5 movable locking bolt 13.

Die Figur 2 zeigt den Schließzylinder 1 aus Figur 1 in einer Schnittdarstellung entlang der Linie II - II durch den erfindungsgemäßen Sperrmechanismus 9. Der Sperriegel 13 ist mit einem an der Polfläche 14 des Elektromagneten 11 anliegenden Anker 15 verbunden und wird von einer Haltefeder 16 von dem Anker 15 weggespannt. Der Elektromagnet 11 ist als Topfmagneten 17 mit einem inneren und einem äußeren Gehäuseteil 18, 19 ausgebildet. Zwischen den Gehäuseteilen 18, 19 ist eine Spule 20 angeordnet. Weiterhin ist der Elektromagnet 11 von einem Gehäuse 21 abgeschirmt. Das Gehäuse 21 setzt sich aus dem äußeren Gehäuseteil 19 und einem mit diesem verbundenen, den Anker 15 übergreifenden Deckel 22 zusammen. Der Deckel 22 und das äußere Gehäuseteil 19 sind aus demselben magnetisierbaren Material gefertigt. Hierdurch werden von einem starken äußeren Magnetfeld erzeugte Feldlinien um die Polfläche 14 herumgeführt. Damit kann der erfindungsgemäße Sperrmechanismus 9 nicht durch einen starken Magneten aufgehoben werden. Der Sperriegel 13, die Haltefeder 16 und eine Sperrfeder 23 sind aus einem unmagnetischen Material gefertigt, um eine Einleitung von magnetischen Feldlinien zu dem Anker 15 zu vermeiden.FIG. 2 shows the locking cylinder 1 from FIG. 1 in a sectional view along the line II - II through the locking mechanism according to the invention 9. The locking bolt 13 is with one on the pole face 14 of the electromagnet 11 adjacent anchor 15 is connected and is held by a retaining spring 16 clamped away from the anchor 15. The electromagnet 11 is a pot magnet 17 with an inner and a outer housing part 18, 19 formed. Between Housing parts 18, 19, a coil 20 is arranged. Farther the electromagnet 11 is shielded from a housing 21. The housing 21 is made up of the outer housing part 19 and one connected to it, the anchor 15 overlapping cover 22 together. The lid 22 and the outer housing part 19 are made of the same magnetizable Made of material. As a result, one strong external magnetic field generated field lines around the Pole surface 14 led around. Thus, the invention Locking mechanism 9 not by a strong magnet To get picked up. The locking bolt 13, the retaining spring 16 and a locking spring 23 are made of a non-magnetic material made to initiate magnetic Avoid field lines to the anchor 15.

Der Sperriegel 13 hat einen Zapfen 24, mit dem er den scheibenförmig gestalteten Anker 15 in einer stufenförmigen Ausnehmung 25 durchdringt. Der Zapfen 24 ist mit einer den Anker 15 hintergreifenden Verbreiterung 26 versehen. Die Ausnehmung 25 in dem Anker 15 ist so bemessen, daß sich der Sperriegel 13 gegenüber dem Anker 15 geringfügig axial verschieben und schwenken läßt. Eine in dem Deckel 22 angeordnete Ausnehmung 31 zur Durchführung des Sperriegels 13 ist hierfür ebenfalls geringfügig größer gestaltet als der Sperriegel 13. Der Sperriegel 13 hat in dem Schließzylinder 1 eine Führung 27. Weiterhin zeigt Figur 2, daß in dem Kern 5 zwei Sperrmulden 12, 28 eingearbeitet sind, die jeweils eine keilförmige Gestalt aufweisen und an ein Residuum 29 angrenzen. Die Bewegungsbahn des Residuums 29 beim Drehen des Kerns 5 ist im Bereich des Sperriegels 13 strichpunktiert dargestellt. Bei einer Drehung des Kerns 5 gelangt das Residuum 29 gegen den Sperriegel 13 und drückt diesen geringfügig gegen die Kraft der Sperrfeder 23 und der Haltefeder 16 in Richtung des Ankers 15. Damit wird der Sperriegel 13 zur Vermeidung seines Einklebens oder Einrostens beim Schließen des Schließzylinders 1 regelmäßig geringfügig bewegt. Die Schwenkbarkeit des Sperriegels 13 gegenüber dem Anker 15 gewährleistet, daß Toleranzen beispielsweise in der Fluchtung der Ausnehmung 10 für den Elektromagneten 11 und der Führung 27 des Sperriegels 13 nicht zu einem Klemmen des Sperriegels 13 oder einer ungleichmäßigen Anlage des Ankers 15 an der Polfläche 14 führen.The locking bolt 13 has a pin 24 with which it disc-shaped anchor 15 in a step-shaped Recess penetrates 25. The pin 24 is with a the widening 26 engaging behind the anchor 15. The recess 25 in the armature 15 is dimensioned that the locking bolt 13 is slightly opposite the anchor 15 axially shift and pivot. One in the Cover 22 arranged recess 31 for performing the Lock bolt 13 is also slightly larger for this designed as the locking bolt 13. The locking bolt 13 has in the lock cylinder 1 a guide 27. Also shows Figure 2 that two locking troughs 12, 28 incorporated in the core 5 are, each having a wedge-shaped shape and adjoin a residual 29. The trajectory of the residual 29 when turning the core 5 is in the range the locking bolt 13 shown in phantom. At the core 29 counteracts a rotation of the core 5 the locking bolt 13 and pushes it slightly against the Force of the locking spring 23 and the retaining spring 16 in the direction of the armature 15. This will prevent the locking bolt 13 sticking or rusting when closing the Lock cylinder 1 moved regularly slightly. The The locking bolt 13 can be pivoted relative to the armature 15 ensures that tolerances, for example, in the Alignment of the recess 10 for the electromagnet 11 and the guide 27 of the locking bolt 13 does not become one Clamping the locking bolt 13 or an uneven system of the armature 15 on the pole face 14.

In der eingezeichneten Stellung wird der Sperriegel 13 in einer außerhalb der Sperrmulden 12, 28 befindlichen Position gehalten. Dies kennzeichnet die Offenstellung des Sperrmechanismus 9. Der Elektromagnet 11 ist in dieser Stellung bestromt und hält den Anker 15 an der Polfläche 14.In the position shown, the locking bolt 13 in a position outside the locking troughs 12, 28 held. This marks the open position of the Locking mechanism 9. The electromagnet 11 is in this Position energized and holds the armature 15 on the pole face 14.

Die Figur 3 zeigt den erfindungsgemäßen Sperrmechanismus 9 in einer Sperrstellung. In dieser Stellung wird der Sperriegel 13 durch die Sperrfeder 23 in eine der Ausnehmungen 12 vorgespannt. Der Anker 15 befindet sich damit in einer von der Polfläche 14 entfernten Stellung. Ein starkes, von außerhalb auf den erfindungsgemäßen Sperrmechanismus 9 einwirkendes Magnetfeld führt nicht zu einer Bewegung des Ankers 15 in Richtung der Polfläche 14, da dieser Bereich von dem Deckel 22 und dem äußeren Gehäuseteil 19 des Elektromagneten 11 abgeschirmt ist. Der in die Sperrmulde 12 hineinragende Bereich des Sperriegels 13 ist mit einer umlaufenden Klemmnut 30 versehen. Diese Klemmnut 30 befindet sich in dem aneinandergrenzenden Bereich zwischen dem Kern 5 und dem Gehäuse 3. Wird versucht, den Kern 5 mit großer Kraft entgegen dem Uhrzeigersinn weiterzudrehen, verhindern die Scherkräfte an Sperriegel 13 und Sperrmulde 12 eine Rotation des Sperrriegels 13. Die gleichzeitig zu den radial angreifenden Scherkräften am Sperriegel 13 und senkrecht auf den Sperriegel 13 wirkenden Kräfte werden den Sperriegel 13 leicht kippen und in Richtung des Elektromagneten 11 bewegen. Ein vollständiges Herausdrücken des Sperriegels 13 aus der Sperrmulde 12 wird jedoch zuverlässig verhindert, da durch das leichte Kippen des Sperriegels 13 der Rand der Sperrmulde 12 in die Klemmnut 30 eingreift und der Sperriegel 13 deshalb in der eingezeichneten Schließstellung verhakt.Figure 3 shows the locking mechanism according to the invention 9 in a locked position. In this position the Locking bolt 13 through the locking spring 23 in one of the recesses 12 biased. The anchor 15 is thus in a position remote from the pole face 14. On strong, from outside on the locking mechanism according to the invention 9 acting magnetic field does not lead to one Movement of the armature 15 in the direction of the pole face 14 since this area of the cover 22 and the outer housing part 19 of the electromagnet 11 is shielded. The in the locking trough 12 protruding area of the locking bolt 13 is provided with a circumferential clamping groove 30. This Clamping groove 30 is located in the adjacent area between the core 5 and the housing 3. Attempted the core 5 counterclockwise with great force turning further prevents the shear forces Locking bolt 13 and locking trough 12 a rotation of the locking bolt 13. At the same time as attacking radially Shear forces on the locking bolt 13 and perpendicular to the Forces acting on the locking bolt 13 become the locking bolt 13 tilt slightly and move in the direction of the electromagnet 11. A complete pushing out of the locking bolt 13 from the trough 12 is reliably prevented, however, there by slightly tilting the locking bolt 13 of the edge the locking trough 12 engages in the clamping groove 30 and the Locking bolt 13 therefore in the closed position shown hooked.

Die Figur 4 zeigt den erfindungsgemäßen Sperrmechanismus 9 in einer Grundstellung. In dieser Stellung läßt sich ein Schlüssel in einen Schließkanal 32 des Kerns 5 einführen und aus diesem herausziehen. Hierbei drückt das Residuum 29 des Kerns 5 den Sperriegel 13 gegen die Kraft der Sperrfeder 23 zu dem Elektromagneten 11 hin. Der Sperriegel 13 ist dabei seinerseits gegen den Anker 15 vorgespannt und drückt diesen gegen die Polfläche 14 des Elektromagneten 11. Eine Bestromung des Elektromagneten 11 ist hierzu nicht erforderlich. Bei einer Schaltung des Sperrmechanismus 9 in die Schließstellung bleibt der Elektromagnet 11 unbestromt, so daß der Sperriegel 13 bei einer Drehung des Kerns 5, wie in Figur 3 dargestellt, in die Sperrmulde 12 eindringt. Bei einer Schaltung des Sperrmechanismus 9 in Offenstellung wird der Elektromagnet 11 bestromt und hält den Anker 15, wie in Figur 2 dargestellt, an der Polfläche 14. Der Kern 5 läßt sich anschließend drehen. Hierdurch wird ersichtlich, daß der Elektromagnet 11 nur zum Halten des Ankers 15 und nicht zu dessen Bewegung ausgebildet ist. Figure 4 shows the locking mechanism according to the invention 9 in a basic position. In this position you can insert a key into a locking channel 32 of the core 5 and pull out of this. This expresses Residual 29 of the core 5 the locking bolt 13 against the force the locking spring 23 towards the electromagnet 11. The The locking bolt 13 is in turn against the armature 15 biased and presses it against the pole face 14 of the Electromagnets 11. A current supply to the electromagnet 11 is not required for this. When the Locking mechanism 9 remains in the closed position Electromagnet 11 is de-energized, so that the locking bolt 13 at a rotation of the core 5, as shown in Figure 3, in the locking trough 12 penetrates. When the Locking mechanism 9 in the open position is the electromagnet 11 energizes and holds the armature 15, as in Figure 2 shown, on the pole face 14. The core 5 can be then turn. This shows that the Electromagnet 11 only for holding the armature 15 and not is trained to move.

Weiterhin läßt sich der erfindungsgemäße Sperrmechanismus 9 in der eingezeichneten Grundstellung in dem Schließzylinder 1 montieren. Der erfindungsgemäße Sperrmechanismus 9 läßt sich zusammen mit dem Elektromagneten 11, dem Sperriegel 13 und dem Deckel 22 zu einer baulichen Einheit vormontieren. Anschließend wird diese bauliche Einheit in die Ausnehmung 10 des Schließzylinders 1 eingeführt. Dabei gelangt zunächst der Sperriegel 13 gegen das Residuum 29. Die bauliche Einheit wird jedoch bis zum Anschlag weiterbewegt, bis der Sperriegel 13 und der Anker 15 zwischen dem Residuum 29 und dem Elektromagneten 11 eingespannt sind. Anschließend wird der Elektromagnet 11 in der Ausnehmung 10 des Schließzylinders 1 befestigt. Diese Befestigung kann beispielsweise durch ein Verkleben, Verklemmen oder Verschrauben erfolgen.Furthermore, the locking mechanism according to the invention 9 in the basic position shown in the locking cylinder 1 assemble. The locking mechanism according to the invention 9 can be together with the electromagnet 11, the Locking bolt 13 and the cover 22 to form a structural unit pre-assemble. Then this structural unit inserted into the recess 10 of the lock cylinder 1. First, the locking bolt 13 comes against Residual 29. The structural unit, however, is up to the stop moved on until the locking bolt 13 and the anchor 15 between the residual 29 and the electromagnet 11 are clamped. Then the electromagnet 11 attached in the recess 10 of the lock cylinder 1. This attachment can be done, for example, by gluing, Jamming or screwing.

Claims (17)

Elektromagnetisch aktivierbarer Sperrmechanismus, insbesondere für einen Schließzylinder eines Einsteckschlosses zum wahlweisen Blockieren oder Freigeben eines in einem Gehäuse angeordneten beweglichen Kerns, mit einem eine bauliche Einheit mit einem Anker bildenden, in die Bewegungsbahn des Kerns führbaren Sperriegel, mit einem in Offenstellung zur Halterung des Ankers in einer eine Bewegung des Kerns durch den Sperriegel freigebenden Stellung gestalteten Elektromagneten und mit einer in Schließstellung zur Vorspannung des Sperriegels in eine die Bewegung des Kerns blockierende Stellung gestalteten Sperrfeder,
dadurch gekennzeichnet, daß der Anker (15) und eine zur Anlage des Ankers (15) vorgesehene Polfläche (14) des Elektromagneten (11) ein gemeinsames, aus magnetisierbarem Material gefertigtes Gehäuse (21) haben.Electromagnetically activatable locking mechanism, in particular for a lock cylinder of a mortise lock for optionally blocking or releasing a movable core arranged in a housing, with a locking bolt which forms a structural unit with an anchor and can be guided into the movement path of the core, with an open position for holding the anchor in an electromagnet designed to move the core through the locking bolt and with a locking spring designed in the closed position to bias the locking bolt into a position blocking the movement of the core,
characterized in that the armature (15) and a pole face (14) of the electromagnet (11) provided for bearing the armature (15) have a common housing (21) made of magnetizable material. Sperrmechanismus nach Anspruch 1, dadurch gekennzeichnet, daß der Elektromagnet (11) als Topfmagnet (17) mit einer ebenen Polfläche (14) zur Anlage des ebenfalls eben gestalteten Ankers (15) ausgebildet ist.Locking mechanism according to claim 1, characterized in that the electromagnet (11) is designed as a pot magnet (17) with a flat pole face (14) for engaging the armature (15), which is also flat. Sperrmechanismus nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Topfmagnet (17) ein von einer Spule (20) umgebenes inneres Gehäuseteil (18) und ein die Spule (20) umgreifendes äußeres Gehäuseteil (19) hat.Locking mechanism according to claim 1 or 2, characterized in that the pot magnet (17) has an inner housing part (18) surrounded by a coil (20) and an outer housing part (19) encompassing the coil (20). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Polfläche (14) an dem inneren Gehäuseteil (18) und dem äußeren Gehäuseteil (19) angeordnet ist. Locking mechanism according to at least one of the preceding claims, characterized in that the pole face (14) is arranged on the inner housing part (18) and the outer housing part (19). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Elektromagnet (11) einen an den Topfmagneten (17) angrenzenden, den Anker (15) übergreifenden, aus magnetisierbarem Material gefertigten Deckel (22) hat und daß der Deckel (22) eine Ausnehmung zur Durchführung des Sperriegels (13) hat.Locking mechanism according to at least one of the preceding claims, characterized in that the electromagnet (11) has a cover (22) made of magnetizable material which adjoins the pot magnet (17) and overlaps the armature (15) and that the cover (22) has a Has recess for the implementation of the locking bolt (13). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Anker (15), der Deckel (22) und an den Deckel (22) angrenzende Bereiche des Elektromagneten (11) aus demselben Material gefertigt sind.Locking mechanism according to at least one of the preceding claims, characterized in that the armature (15), the cover (22) and regions of the electromagnet (11) adjoining the cover (22) are made of the same material. Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sperriegel (13) und die Sperrfeder (23) aus einem unmagnetischen Material gefertigt sind.Locking mechanism according to at least one of the preceding claims, characterized in that the locking bolt (13) and the locking spring (23) are made of a non-magnetic material. Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sperriegel (13) gegenüber dem Anker (15) um einen vorgesehenen Betrag in seiner Bewegungsrichtung und/oder quer zu seiner Bewegungsrichtung beweglich gehalten ist.Locking mechanism according to at least one of the preceding claims, characterized in that the locking bolt (13) is held movable relative to the armature (15) by a predetermined amount in its direction of movement and / or transversely to its direction of movement. Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß in einer Grundstellung der Anker (15) von dem Kern (5) gegen die Polfläche (14) vorgespannt ist.Locking mechanism according to at least one of the preceding claims, characterized in that in a basic position the armature (15) is prestressed by the core (5) against the pole face (14). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sperrriegel (13) gegenüber dem Anker (15) verschwenkbar ist. Locking mechanism according to at least one of the preceding claims, characterized in that the locking bolt (13) can be pivoted with respect to the armature (15). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sperrriegel (13) einen den Anker (15) in einer Ausnehmung (25) durchdringenden Zapfen (24) hat und daß das freie Ende des Zapfens (24) zur Hintergreifung des Ankers (15) eine Verbreiterung (26) aufweist.Locking mechanism according to at least one of the preceding claims, characterized in that the locking bolt (13) has a pin (24) penetrating the armature (15) in a recess (25) and in that the free end of the pin (24) for engaging behind the armature ( 15) has a widening (26). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sperrriegel (13) mittels einer Haltefeder (16) von dem Anker (15) weggespannt ist.Locking mechanism according to at least one of the preceding claims, characterized in that the locking bolt (13) is tensioned away from the armature (15) by means of a retaining spring (16). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sperrriegel (13) in Offenstellung bei einer Drehung des Kerns (5) geringfügig gegen die Kraft der Haltefeder (16) verschiebbar ist.Locking mechanism according to at least one of the preceding claims, characterized in that the locking bolt (13) in the open position upon rotation of the core (5) can be moved slightly against the force of the retaining spring (16). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Kern (5) zwei nebeneinander angeordnete, jeweils an ein Residuum (29) angrenzende Sperrmulden (12, 28) zum Eindringen des Sperriegels (13) hat.Locking mechanism according to at least one of the preceding claims, characterized in that the core (5) has two locking troughs (12, 28) arranged next to one another, each adjoining a residue (29), for penetrating the locking bolt (13). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Elektromagnet (11) zylinderförmig gestaltet und in einer ebenfalls zylinderförmigen, auf den beweglichen Kern (5) zulaufenden Ausnehmung (10) angeordnet ist.Locking mechanism according to at least one of the preceding claims, characterized in that the electromagnet (11) has a cylindrical shape and is arranged in a likewise cylindrical recess (10) which runs towards the movable core (5). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Residuum (29) in einer Montagestellung des Elektromagneten (11) auf den Sperriegel (13) weisend ausgerichtet ist. Locking mechanism according to at least one of the preceding claims, characterized in that the residual (29) is oriented in a mounting position of the electromagnet (11) pointing towards the locking bolt (13). Sperrmechanismus nach zumindest einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Sperrriegel (13) eine umlaufende, in einem in Schließstellung zwischen der Ausnehmung (10) und dem Kern (5) befindlichen Bereich angeordnete Klemmnut (30) aufweist.Locking mechanism according to at least one of the preceding claims, characterized in that the locking bolt (13) has a circumferential clamping groove (30) arranged in a region in the closed position between the recess (10) and the core (5).
EP99124430A 1999-01-19 1999-12-08 Electromagnetic actuated locking mechanism Expired - Lifetime EP1022415B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19901838A DE19901838A1 (en) 1999-01-19 1999-01-19 Electromagnetically activatable locking mechanism
DE19901838 1999-01-19

Publications (2)

Publication Number Publication Date
EP1022415A1 true EP1022415A1 (en) 2000-07-26
EP1022415B1 EP1022415B1 (en) 2005-03-02

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EP99124430A Expired - Lifetime EP1022415B1 (en) 1999-01-19 1999-12-08 Electromagnetic actuated locking mechanism

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EP (1) EP1022415B1 (en)
AT (1) ATE290146T1 (en)
DE (2) DE19901838A1 (en)
ES (1) ES2237023T3 (en)

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EP1378620A2 (en) * 2002-07-03 2004-01-07 DOM-Sicherheitstechnik GmbH & Co. KG Anti-tampering electromagnet arrangement, electronic cylinder lock and method of preventing tampering of an electromagnet arrangement
DE102004047980B3 (en) * 2004-10-01 2006-03-16 Schliessanlagen Gmbh Pfaffenhain Locking mechanism operated electromagnetically e.g. for key cylinder of mortise dead lock, has housing with cylinder core for key with electromagnets loaded in housing and tappet loaded and cooperates with linked spring
EP1736620A1 (en) * 2005-06-24 2006-12-27 BUGA Technologies GmbH Lock cylinder with locked knob shaft
US7845202B2 (en) 2006-09-22 2010-12-07 Assa Abloy Ab Interchangeable electromechanical lock core
US7874190B2 (en) 2003-06-23 2011-01-25 Assa Abloy Ab Electromechanical lock cylinder
US8028553B2 (en) 2005-06-24 2011-10-04 Assa Abloy Ab Modular electromechanical lock cylinder

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DE102004056606A1 (en) * 2004-11-24 2006-06-01 Aug. Winkhaus Gmbh & Co. Kg Cylinder lock for use in master key system, has core comprising slot at its top side for complete intake of movable lock units, where lock units provided in separation plane between housing and core, support slot in housing
DE102004057420A1 (en) * 2004-11-27 2006-06-01 Aug. Winkhaus Gmbh & Co. Kg Shield for key cylinder, has protection unit made up of ferrous material and partially enclosing cylinder radially outside in area of locking mechanism of cylinder, where unit is arranged below rosette, which encloses free end of cylinder
DE102004060430A1 (en) 2004-12-14 2006-06-22 Aug. Winkhaus Gmbh & Co. Kg Device for detecting a manipulation attempt
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DE102005001067A1 (en) * 2005-01-07 2006-07-20 Aug. Winkhaus Gmbh & Co. Kg lock cylinder
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US11655653B1 (en) 2022-04-15 2023-05-23 Digilock Asia Ltd. Electronically operated lock cylinder

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EP1378620A2 (en) * 2002-07-03 2004-01-07 DOM-Sicherheitstechnik GmbH & Co. KG Anti-tampering electromagnet arrangement, electronic cylinder lock and method of preventing tampering of an electromagnet arrangement
EP1378620A3 (en) * 2002-07-03 2006-10-25 DOM-Sicherheitstechnik GmbH & Co. KG Anti-tampering electromagnet arrangement, electronic cylinder lock and method of preventing tampering of an electromagnet arrangement
US7874190B2 (en) 2003-06-23 2011-01-25 Assa Abloy Ab Electromechanical lock cylinder
DE102004047980B3 (en) * 2004-10-01 2006-03-16 Schliessanlagen Gmbh Pfaffenhain Locking mechanism operated electromagnetically e.g. for key cylinder of mortise dead lock, has housing with cylinder core for key with electromagnets loaded in housing and tappet loaded and cooperates with linked spring
EP1736620A1 (en) * 2005-06-24 2006-12-27 BUGA Technologies GmbH Lock cylinder with locked knob shaft
US8028553B2 (en) 2005-06-24 2011-10-04 Assa Abloy Ab Modular electromechanical lock cylinder
US7845202B2 (en) 2006-09-22 2010-12-07 Assa Abloy Ab Interchangeable electromechanical lock core

Also Published As

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ES2237023T3 (en) 2005-07-16
DE59911694D1 (en) 2005-04-07
ATE290146T1 (en) 2005-03-15
DE19901838A1 (en) 2000-07-20
EP1022415B1 (en) 2005-03-02

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