EP0485754B1 - Electromagnetically controlled lock - Google Patents

Electromagnetically controlled lock Download PDF

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Publication number
EP0485754B1
EP0485754B1 EP91117626A EP91117626A EP0485754B1 EP 0485754 B1 EP0485754 B1 EP 0485754B1 EP 91117626 A EP91117626 A EP 91117626A EP 91117626 A EP91117626 A EP 91117626A EP 0485754 B1 EP0485754 B1 EP 0485754B1
Authority
EP
European Patent Office
Prior art keywords
lock
locking
electromagnet
lock bolt
contours
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
EP91117626A
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German (de)
French (fr)
Other versions
EP0485754A1 (en
Inventor
Harald Dipl.-Ing. Lüling
Armin Dipl.-Ing. Lüling
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.)
Burg Waechter KG
Original Assignee
Burg Waechter KG
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Publication date
Application filed by Burg Waechter KG filed Critical Burg Waechter KG
Publication of EP0485754A1 publication Critical patent/EP0485754A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0603—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
    • E05B47/0001—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
    • E05B47/0001—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 controlled lock with a locking bolt having locking contours, with a locking device which has locking contours which are in the locked position of the locking bolt with its locking contours and come out of engagement when the electromagnet is energized, and with a locking bolt actuation.
  • Locks of the aforementioned type are installed, for example, in steel cabinets of security levels A and B (cf. VDMA standard sheet 24 992 from January 1990). There they are part of a convertible electromagnetic code lock.
  • the minimum requirements for such locks include the following (loc. Cit. 1 and 2 clause 4.1): The lock bolt must be blocked in the locked position. If a convertible electromagnetic code lock is used - a multi-lock lock, a combination lock or a convertible mechanical code lock is also permissible - only one with a six-digit setting code and real 1 million setting options with indirect locking is permitted - manual bolt actuation -. It must not be possible to open the lock via the battery contacts, due to a power failure, by applying voltage to the lock components or due to vibrations in the steel cabinet.
  • the locking device consists of a pivot arm arranged parallel to the lock bolt, which on the one hand has a groove for receiving an angle connected to the lock bolt, and on the other hand has a recess with which the pivot arm engages in an opening of a pivotable anchor plate of the electromagnet. If the lock is closed mechanically, a finger presses against the anchor plate and this against the electromagnet. In this position - the armature plate lies on the electromagnet - the swivel movement for the arm is released, the locked position between the arm and the angle is released, the lock bolt is locked under the action of a spring.
  • the lock can also be actuated electrically by energizing the electromagnet.
  • the excitation of the electromangent also causes the armature plate to pivot in contact with the electromagnet, thus releasing the pivot arm and triggering the closing movement described. De-energization of the electromagnet brings the lock back to its original position.
  • the well-known lock can thus be operated both mechanically and electrically.
  • the electrical actuation is not influenced by the mechanical actuation and vice versa, apart from the fact that the mechanical or electrical actuation is sufficient for the locking of the lock; To exclude the lock, both the electromagnet must be de-energized and the mechanical actuation must be in the starting position.
  • the known lock does not meet the above requirements for installation in steel cabinets of security levels A and B.
  • the invention has for its object to provide a lock with the features mentioned above so that at least the above requirements for installation in steel cabinets of security levels A and B are met.
  • this object is achieved in that the lock bolt has the locking contours on its inner end face, that at least two locking elements movable against it by a holding force in the direction of the electromagnet and attractable by it are provided in the locking device, each with at least one of the locking contours is provided, and that the electromagnet excited after entering a code successively disengages the locking contour with the lock bolt actuation.
  • the electromagnet is expedient in the region of the central axis of the lock bolt and mirror-symmetrical to the central axis, the two are each provided with a locking contour which is formed in the lock bolt in the opposite way to the locking contour, equipped with an anchor plate and movable against the action of a spring in the direction of the electromagnet Locking elements arranged.
  • an electromagnet and four crosswise arranged anchor plates can be provided, whose path of movement forms an angle of ⁇ 45 ° with the central axis.
  • the lock bolt is extended like a fork on its inner end face and has the locking contours on the inside of the fork.
  • Anchoring plates arranged at the same angle on a circle can also be arranged in the end view.
  • the lock bolt then consists of a three-dimensional fork or a hollow cylinder.
  • a plurality of electromagnets can also be provided, which are arranged either one behind the other or next to one another in the direction of movement of the lock bolt.
  • Each electromagnet includes two locking elements, in the locking contours of which locking contours of the lock bolt engage, which in turn is extended like a fork.
  • the electromagnets can be excited simultaneously or successively depending on partial codes or different codes.
  • the movement of the anchor plates does not have to be straight, but rather can take place on a circular path.
  • the formation of the lock is construction and security related.
  • the housing dimensions can be easily selected like that of a combination lock; Interchangeability is therefore given.
  • the lock can be used for right and left door hinges. Otherwise, the above-mentioned minimum requirements for a lock for installation in steel cabinets of security levels A and B are met.
  • the electromagnet has a guide, via which it can be moved in succession in the direction of the locking elements when the lock bolt is actuated.
  • the distance of the electromagnet from the blocking elements is successively reduced to a minimum. If the electromagnet is excited, it takes along the blocking element located in its vicinity, which can be equipped with one of the armature plates or can itself be made of ferromagnetic material. Since the air gap between the electromagnet and the blocking element is small in this process, the electrical energy required is low.
  • the electronic lock chosen as an exemplary embodiment has a housing 1 which is closed by a cover 2.
  • a lock bolt 3 emerges from the housing 1 on its end face, and an emergency lock slide 4 on the opposite end end.
  • the bottom of the housing 1 is penetrated by four fastening screws 5 provided at the corners for fastening, for example, in the door of a steel cabinet.
  • the floor is also penetrated by a drive shaft 6, via which the bolt is actuated manually.
  • a cam disk 7 is connected to the drive axle 6.
  • An upper control cam 8 is formed in the cam disk 7 on its upper side.
  • a wedge ring-shaped stop 10 protrudes above the upper side.
  • the cam plate is in the area of the fastening screws 5 7 recessed.
  • a lower control cam 9 is embedded in the underside of the cam disk 7.
  • a cam disk collar 11 is formed on the underside of the cam disk 7. With the aid of the cam disc collar 11, the cam disc 7 is guided in a housing guide flange 12 formed onto the bottom of the housing 1.
  • the cam disc collar 11 is provided with two parallel surfaces 13. On each of the parallel surfaces 13 is one of two coil springs 14 which are attached to the bottom of the housing 1 and penetrate the housing guide flange 12. The parallel surfaces 13 and the spiral spring 14 cause a locking of the cam collar 11 at 0 ° and 180 °.
  • the guide pin 15 is fastened to a stop plate 16.
  • the stop plate 16 is arranged below the cover 2. It surrounds the area of the housing guide flange 12 in a U-shape.
  • the stop plate 16 is fastened on the lock bolt 3: on the front side of the housing 1, from which the lock bolt 3 emerges, it has two incisions 17 parallel to this end side. In each of the incisions 17 a projection 18 is formed on the lock bolt 3. Two locking contours 19 are also provided on the lock bolt 3 facing away from the end face.
  • Rotation of the drive axle 6 is transmitted to the cam disk 7 via a keyway 21 provided in the cam disk collar 11.
  • the guide pin 15 moves on a quarter of the upper control cam 8, which is designed as a semicircle ring in this area. If the locking contours 19 are released from their contact with opposite locking contours on a locking device at the end of the quarter circle in a manner yet to be described, the lock bolt 3 is released closed. After the quarter turn, the guide pin 15 travels along a practically linear part of the upper control cam 8 running close to the housing guide flange 12 and closes the lock bolt 3.
  • the upper control cam 8 - like the stop 10 - is arranged mirror-symmetrically to the longitudinal central axis 22 of the lock bolt 3.
  • the lower control curve 9 is also mirror-symmetrical, but with respect to a perpendicular 24 to the longitudinal central axis 22.
  • the view of the lower control curve 9 is mushroom-shaped.
  • a guide pin 25 surrounded by a sleeve engages in the lower control curve 9.
  • the guide pin 25 is fastened to a guide piece 26.
  • the guide piece 26 is U-shaped in the view and surrounds the housing guide flange 11. It is guided along a guide 27 provided in the perpendicular 24 to the longitudinal central axis 22 on the bottom of the housing 1.
  • a magnet 30 is attached to the guide piece 26.
  • the magnet 30 consists of a magnetic core 31 and a magnetic coil 32.
  • the magnetic coil 32 is connected via strands 33 to electronics, not shown.
  • the magnet 30 can be moved together with the guide piece 26 parallel to the guide 27 along a further perpendicular 34 to the longitudinal central axis 22 of the lock bolt 3.
  • the locking device 23 is provided in the form of two locking elements 35 on both sides of the magnet 30.
  • Each locking element 35 is formed by a profile piece that is movable relative to and with the magnet 30.
  • Each locking element 35 has a receptacle for an anchor plate 36.
  • Each locking element 35 also has a locking contour 37 opposite the locking contour 19 on the lock bolt 3.
  • the magnet 30 and the locking elements 35 are penetrated by a guide pin 38 which is arranged perpendicular to the longitudinal central axis 22.
  • a spring 39 By means of a spring 39, the locking elements 35 are kept pressed outwards - away from each other.
  • the spring 39 is arranged around the guide pin 38.
  • the solenoid 32 is energized. In its initial position shown in FIGS. 1 and 2, the magnet 30 bears against the lower locking element 35. If the magnet coil 32 is excited, the magnet 30 holds the lower anchor plate 36 and with it the associated locking element 35. If the drive shaft 6 is now rotated when the magnet coil 32 is excited, the guide pin 25 slides in the lower control cam 9, namely in one half of the foot of the mushroom-shaped part. The magnet 30 is thereby moved towards the upper locking element 35. If the air gap between the magnet 30 and the upper anchor plate 36 is small enough, the latter is attracted; the associated upper locking element 35 is also connected to the magnet 30.
  • the electronic lock still has the emergency lock slide 4.
  • the emergency lock slide 4 On the side of the locking elements 35 facing the lock bolt 3, the emergency lock slide 4 is provided with contours 40 which are arranged mirror-symmetrically to the longitudinal central axis 22 and are directed towards the locking elements 35.
  • Associated oppositely identical contours 41 have each of the locking elements 35 in the region of its side adjacent to the wall of the housing 1. If the emergency lock slide 4 can be pulled out of the housing 1, for example by actuating an associated key, the locking elements 35 are guided in the direction of the longitudinal central axis 22 via the contours 40 and 41 coming into contact. This also disables the locking contours 19 and 37; the lock bolt 3 can be excluded.
  • the lock can be used wherever rooms, cupboards or the like. be locked, especially for safes and steel cabinets.

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

Description

Die Erfindung betrifft ein elektromagnetisch gesteuertes Schloß mit einem Sperrkonturen aufweisenden Schloßriegel, mit einer Sperrvorrichtung, die Sperrkonturen aufweist, welche in Sperrlage des Schloßriegels mit dessen Sperrkonturen in Eingriff sind und bei Erregung des Elektromagneten außer Eingriff kommen, und mit einer Schloßriegel-Betätigung.The invention relates to an electromagnetically controlled lock with a locking bolt having locking contours, with a locking device which has locking contours which are in the locked position of the locking bolt with its locking contours and come out of engagement when the electromagnet is energized, and with a locking bolt actuation.

Schlösser der vorgenannten Art werden z.B. in Stahlschränke der Sicherheitsstufen A und B eingebaut (vgl. VDMA-Einheitsblatt 24 992 aus Januar 1990). Sie sind dort Bestandteil eines umstellbaren elektromagnetischen Codeschlosses. Mindestanforderungen an solche Schlösser sind u.a. folgende (a.a.O. S. 1 und 2 Ziff. 4.1): Der Schloßriegel muß in Sperrlage blockiert sein. Wenn ein umstellbares elektromagnetisches Codeschloß verwendet wird - zulässig ist auch ein Mehrbartschloß, ein Zahlenkombinationsschloß oder ein umstellbares mechanisches Codeschloß -, ist nur eines mit einem sechsstelligen Einstellcode und echten 1 Mill. Einstellmöglichkeiten mit indirekter Sperrung zulässig - manuelle Riegelbetätigung -. Ein Öffnen des Schlosses über die Batteriekontakte, durch Stromausfall, durch Anlegen der Spannung an Schloßkomponenten oder durch Erschütterungen des Stahlschranks darf nicht möglich sein.Locks of the aforementioned type are installed, for example, in steel cabinets of security levels A and B (cf. VDMA standard sheet 24 992 from January 1990). There they are part of a convertible electromagnetic code lock. The minimum requirements for such locks include the following (loc. Cit. 1 and 2 clause 4.1): The lock bolt must be blocked in the locked position. If a convertible electromagnetic code lock is used - a multi-lock lock, a combination lock or a convertible mechanical code lock is also permissible - only one with a six-digit setting code and real 1 million setting options with indirect locking is permitted - manual bolt actuation -. It must not be possible to open the lock via the battery contacts, due to a power failure, by applying voltage to the lock components or due to vibrations in the steel cabinet.

Ein Schloß mit den eingangs genannten Merkmalen ist aus EP-A-0 034 129 bekannt. Bei dem bekannten Schloß besteht die Sperrvorrichtung aus einem parallel zu dem Schloßriegel angeordneten Schwenkarm, der einerseits eine Nut für die Aufnahme eines mit dem Schloßriegel verbundenen Winkels, andererseits eine Aussparung aufweist, mit der der Schwenkarm in eine Öffnung einer schwenkbaren Ankerplatte des Elektromagneten eingreift. Wird das Schloß mechanisch geschlossen, drückt ein Finger gegen die Ankerplatte und diese gegen den Elektromagneten. In dieser Stellung - Ankerplatte liegt an dem Elektromagneten - ist die Schwenkbewegung für den Arm freigegeben, die Sperrstellung zwischen dem Arm und dem Winkel ist aufgehoben, der Schloßriegel wird unter der Wirkung einer Feder eingeschlossen. Wird der Finger wieder zurückgeschlossen, nimmt das Schloß unter der Wirkung einer Gegenfeder wieder seine Ausgangslage ein. Neben dieser mechanischen Betätigung ist das Schloß auch elektrisch dadurch betätigbar, daß der Elektromagnet erregt wird. Auch die Erregung des Elektromangenten führt zum Schwenken der Ankerplatte in Anlage an den Elektromagneten, damit zur Freigabe des Schwenkarms und zur Auslösung der beschriebenen Schließbewegung. Entregung des Elektromagneten bringt das Schloß wieder in seine Ausgangslage. Das bekannte Schloß ist also sowohl mechanisch als auch elektrisch betätigbar. Eine Beeinflussung der elektrischen durch die mechanische Betätigung und umgekehrt findet nicht statt, abgesehen davon, daß für das Einschließen des Schlosses die mechanische oder die elektrische Betätigung ausreicht; für das Ausschließen des Schlosses sowohl der Elektromagnet entregt als auch die mechanische Betätigung in der Ausgangsstellung sein müssen. Das bekannte Schloß genügt nicht den vorstehend genannten Anforderungen für den Einbau in Stahlschränke der Sicherheitsstufen A und B.A lock with the features mentioned above is known from EP-A-0 034 129. In the known lock, the locking device consists of a pivot arm arranged parallel to the lock bolt, which on the one hand has a groove for receiving an angle connected to the lock bolt, and on the other hand has a recess with which the pivot arm engages in an opening of a pivotable anchor plate of the electromagnet. If the lock is closed mechanically, a finger presses against the anchor plate and this against the electromagnet. In this position - the armature plate lies on the electromagnet - the swivel movement for the arm is released, the locked position between the arm and the angle is released, the lock bolt is locked under the action of a spring. If the finger is closed again, the lock returns to its starting position under the action of a counter spring. In addition to this mechanical actuation, the lock can also be actuated electrically by energizing the electromagnet. The excitation of the electromangent also causes the armature plate to pivot in contact with the electromagnet, thus releasing the pivot arm and triggering the closing movement described. De-energization of the electromagnet brings the lock back to its original position. The well-known lock can thus be operated both mechanically and electrically. The electrical actuation is not influenced by the mechanical actuation and vice versa, apart from the fact that the mechanical or electrical actuation is sufficient for the locking of the lock; To exclude the lock, both the electromagnet must be de-energized and the mechanical actuation must be in the starting position. The known lock does not meet the above requirements for installation in steel cabinets of security levels A and B.

Der Erfindung liegt die Aufgabe zugrunde, ein Schloß mit den eingangs genannten Merkmalen so auszubilden, daß zumindest die vorstehend genannten Anforderungen für den Einbau in Stahlschränke der Sicherheitsstufen A und B erfüllt sind. Gemäß der Erfindung wird diese Aufgabe dadurch gelöst, daß der Schloßriegel die Sperrkonturen auf seiner inneren Stirnseite aufweist, daß in der Sperrvorrichtung mindestens zwei entgegen einer Haltekraft quer zu dem Schloßriegel in Richtung des Elektromagneten bewegbare und von ihm anziehbare Sperrelemente vorgesehen sind, von denen jedes mit wenigstens einer der Sperrkonturen versehen ist, und daß der nach Eingabe eines Codes erregte Elektromagnet mit der Schloßriegel-Betätigung nacheinander die Sperrkontur außer Eingriff bringt.The invention has for its object to provide a lock with the features mentioned above so that at least the above requirements for installation in steel cabinets of security levels A and B are met. According to the invention, this object is achieved in that the lock bolt has the locking contours on its inner end face, that at least two locking elements movable against it by a holding force in the direction of the electromagnet and attractable by it are provided in the locking device, each with at least one of the locking contours is provided, and that the electromagnet excited after entering a code successively disengages the locking contour with the lock bolt actuation.

Bei der Erfindung sind zweckmäßig der Elektromagnet im Bereich der Mittelachse des Schloßriegels und spiegelsymmetrisch zu der Mittelachse die beiden mit je einer umgekehrt gleich zu der Sperrkontur in dem Schloßriegel ausgebildeten Sperrkontur versehene, mit einer Ankerplatte bestückte und entgegen der Wirkung einer Feder in Richtung des Elektromagneten bewegbare Sperrelemente angeordnet.In the invention, the electromagnet is expedient in the region of the central axis of the lock bolt and mirror-symmetrical to the central axis, the two are each provided with a locking contour which is formed in the lock bolt in the opposite way to the locking contour, equipped with an anchor plate and movable against the action of a spring in the direction of the electromagnet Locking elements arranged.

Es ist jedoch auch möglich, eines oder mehr als zwei Sperrelemente bzw. mehr als einen Elektromagneten zu verwenden. So können beispielsweise ein Elektromagnet und vier über Kreuz angeordneten Ankerplatten vorgesehen sein, deren Bewegungsbahn mit der Mittelachse einen Winkel von ± 45° bildet. Bei dieser Ausführung ist der Schloßriegel an seiner inneren Stirnfläche gabelartig erweitert und weist auf den Innenseiten der Gabel die Sperrkonturen auf. Es können auch in der Stirnansicht auf einem Kreis unter gleichem Winkel angeordnete Ankerplatten angeordnet sein. Der Schloßriegel besteht dann aus einer dreidimensionalen Gabel oder einem Hohlzylinder. Es können auch mehrere Elektromagnete vorgesehen sein, die entweder in Bewegungsrichtung des Schloßriegels hintereinander oder nebeneinander angeordnet sind. Zu jedem Elektromagneten gehören zwei Sperrelemente, in deren Sperrkonturen Sperrkonturen des Schloßriegels eingreifen, der wiederum gabelartig erweitert ist. Die Erregung der Elektromagnete kann gleichzeitig oder nacheinander in Abhängigkeit von Teilcodes oder unterschiedlichen Codes erfolgen. Auch muß die Bewegung der Ankerplatten nicht gradlinig, kann vielmehr auf einer Kreisbahn erfolgen. Die Ausbildung des Schlosses ist Konstruktions- und sicherheitsbedingt.However, it is also possible to use one or more than two locking elements or more than one electromagnet. For example, an electromagnet and four crosswise arranged anchor plates can be provided, whose path of movement forms an angle of ± 45 ° with the central axis. In this version the lock bolt is extended like a fork on its inner end face and has the locking contours on the inside of the fork. Anchoring plates arranged at the same angle on a circle can also be arranged in the end view. The lock bolt then consists of a three-dimensional fork or a hollow cylinder. A plurality of electromagnets can also be provided, which are arranged either one behind the other or next to one another in the direction of movement of the lock bolt. Each electromagnet includes two locking elements, in the locking contours of which locking contours of the lock bolt engage, which in turn is extended like a fork. The electromagnets can be excited simultaneously or successively depending on partial codes or different codes. The movement of the anchor plates does not have to be straight, but rather can take place on a circular path. The formation of the lock is construction and security related.

Die Verwendung eines Notschloßschiebers ist bei dem Schloß nach der Erfindung möglich.The use of an emergency lock slide is possible with the lock according to the invention.

Bei der Erfindung sind die Gehäuseabmessungen ohne weiteres wie die eines Zahlenschlosses wählbar; Austauschbarkeit ist folglich gegeben. Das Schloß ist für Rechts- und Links-Türanschlag einsetzbar. Im übrigen sind die vorstehend genannten Mindestanforderungen an ein Schloß für den Einbau in Stahlschränke der Sicherheitsstufen A und B erfüllt.In the invention, the housing dimensions can be easily selected like that of a combination lock; Interchangeability is therefore given. The lock can be used for right and left door hinges. Otherwise, the above-mentioned minimum requirements for a lock for installation in steel cabinets of security levels A and B are met.

In einer bevorzugten Weiterbildung der Erfindung weist der Elektromagnet eine Führung auf, über die er mit der Schloßriegelbetätigung nacheinander in Richtung der Sperrelemente bewegbar ist. Bei dieser Weiterbildung wird der Abstand des Elektromagneten von den Sperrelementen nacheinander auf ein Minimum verringert. Ist der Elektromagnet erregt, nimmt er das in seiner Nähe befindliche Sperrelement mit, das mit einer der Ankerplatten bestückt sein oder selbst aus ferromagnetischem Material bestehen kann. Da der Luftspalt zwischen Elektromagnet und Sperrelement bei diesem Vorgang klein ist, ist die benötigte elektrische Energie gering.In a preferred development of the invention, the electromagnet has a guide, via which it can be moved in succession in the direction of the locking elements when the lock bolt is actuated. In this development, the distance of the electromagnet from the blocking elements is successively reduced to a minimum. If the electromagnet is excited, it takes along the blocking element located in its vicinity, which can be equipped with one of the armature plates or can itself be made of ferromagnetic material. Since the air gap between the electromagnet and the blocking element is small in this process, the electrical energy required is low.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen:

Fig. 1
etwa in natürlicher Größe die Ansicht eines Schlosses bei abgenommenem Schloßdeckel;
Fig. 2
eine weitere Ansicht des in Fig. 1 dargestellten Schlosses, jedoch zusätzlich mit Notschloßschieber, aber ohne Kurvenscheibe, Anschlagplatte und Schloßriegel;
Fig. 3
einen Längsschnitt durch das vollständige Schloß entlang der Schnittlinie III-III in Fig. 1.
An embodiment of the invention is shown in the drawing and will be described in more detail below. Show it:
Fig. 1
approximately in natural size, the view of a lock with the lock cover removed;
Fig. 2
another view of the lock shown in Figure 1, but also with emergency lock slide, but without cam, stop plate and lock bolt.
Fig. 3
a longitudinal section through the complete castle along the section line III-III in Fig. 1st

Das als Ausführungsbeispiel gewählte Schloß weist ein Gehäuse 1 auf, das durch einen Deckel 2 verschlossen ist. An einer Stirnseite tritt aus dem Gehäuse 1 ein Schloßriegel 3 aus, auf der gegenüberliegenden Stirnseite ein Notschloßschieber 4. Der Boden des Gehäuses 1 ist von vier an den Ecken

Fig. 1
etwa in natürlicher Größe die Ansicht eines elektronischen Schlosses bei abgenommenem Schloßdeckel;
Fig. 2
eine weitere Ansicht des in Fig. 1 dargestellten elektronischen Schlosses, jedoch zusätzlich mit Notschloßschieber, aber ohne Kurvenscheibe, Anschlagplatte und Schloßriegel;
Fig. 3
einen Längsschnitt durch das vollständige elektronische Schloß entlang der Schnittlinie III-III in Fig. 1.
The lock chosen as an exemplary embodiment has a housing 1 which is closed by a cover 2. A lock bolt 3 emerges from the housing 1 on one end face, and an emergency lock slide 4 on the opposite end face. The bottom of the housing 1 is four at the corners
Fig. 1
approximately in natural size the view of an electronic lock with the lock cover removed;
Fig. 2
another view of the electronic lock shown in Figure 1, but also with emergency lock slide, but without cam, stop plate and lock bolt.
Fig. 3
a longitudinal section through the complete electronic lock along the section line III-III in Fig. 1st

Bester Weg zur Ausführung der Erfindung:Best way to carry out the invention:

Das als Ausführungsbeispiel gewählte elektronische Schloß weist ein Gehäuse 1 auf, das durch einen Deckel 2 verschlossen ist. An seiner Stirnseite tritt aus dem Gehäuse 1 ein Schloßriegel 3 aus, auf der gegenüberliegenden Stirnseite ein Notschloßschieber 4. Der Boden des Gehäuses 1 ist von vier an den Ecken vorgesehenen Befestigungsschrauben 5 für die Befestigung zum Beispiel in der Tür eines Stahlschranks durchsetzt. Der Boden ist außerdem durchsetzt von einer Antriebsachse 6, über die manuell die Riegelbetätigung erfolgt.The electronic lock chosen as an exemplary embodiment has a housing 1 which is closed by a cover 2. A lock bolt 3 emerges from the housing 1 on its end face, and an emergency lock slide 4 on the opposite end end. The bottom of the housing 1 is penetrated by four fastening screws 5 provided at the corners for fastening, for example, in the door of a steel cabinet. The floor is also penetrated by a drive shaft 6, via which the bolt is actuated manually.

Mit der Antriebsachse 6 verbunden ist eine Kurvenscheibe 7. In die Kurvenscheibe 7 ist an ihrer Oberseite eine obere Steuerkurve 8 eingeformt. Über die Oberseite steht ein keilringförmiger Anschlag 10 vor. Im Bereich der Befestigungsschrauben 5 ist die Kurvenscheibe 7 ausgespart. In die Unterseite der Kurvenscheibe 7 ist eine untere Steuerkurve 9 eingelassen. An die Unterseite der Kurvenscheibe 7 ist ein Kurvenscheibenbund 11 angeformt. Mit Hilfe des Kurvenscheibenbunds 11 ist die Kurvenscheibe 7 in einem an den Boden des Gehäuses 1 angeformten Gehäuseführungsflansch 12 geführt. Der Kurvenscheibenbund 11 ist mit zwei parallelen Flächen 13 versehen. An jeder der parallelen Flächen 13 liegt eine von zwei Spiralfedern 14 an, die am Boden des Gehäuses 1 befestigt sind und den Gehäuseführungsflansch 12 durchsetzen. Die parallelen Flächen 13 und die Spiralfeder 14 bewirken eine Rastung des Kurvenscheibenbundes 11 bei 0° und 180°.A cam disk 7 is connected to the drive axle 6. An upper control cam 8 is formed in the cam disk 7 on its upper side. A wedge ring-shaped stop 10 protrudes above the upper side. The cam plate is in the area of the fastening screws 5 7 recessed. A lower control cam 9 is embedded in the underside of the cam disk 7. A cam disk collar 11 is formed on the underside of the cam disk 7. With the aid of the cam disc collar 11, the cam disc 7 is guided in a housing guide flange 12 formed onto the bottom of the housing 1. The cam disc collar 11 is provided with two parallel surfaces 13. On each of the parallel surfaces 13 is one of two coil springs 14 which are attached to the bottom of the housing 1 and penetrate the housing guide flange 12. The parallel surfaces 13 and the spiral spring 14 cause a locking of the cam collar 11 at 0 ° and 180 °.

In die obere Steuerkurve 8 greift ein von einer Hülse umgebener Führungszapfen 15. Der Führungszapfen 15 ist an einer Anschlagplatte 16 befestigt. Die Anschlagplatte 16 ist unterhalb des Deckels 2 angeordnet. Sie umgibt den Bereich des Gehäuseführungsflansches 12 U-förmig. Die Anschlagplatte 16 ist auf dem Schloßriegel 3 befestigt: Sie weist an der Stirnseite des Gehäuses 1, aus der der Schloßriegel 3 austritt, zwei zu dieser Stirnseite parallele Einschnitte 17 auf. In jeden der Einschnitte 17 greift ein an dem Schloßriegel 3 angeformter Vorsprung 18. An dem Schloßriegel 3 sind außerdem von der Stirnseite abgewandt zwei Sperrkonturen 19 vorgesehen.A guide pin 15, surrounded by a sleeve, engages in the upper control cam 8. The guide pin 15 is fastened to a stop plate 16. The stop plate 16 is arranged below the cover 2. It surrounds the area of the housing guide flange 12 in a U-shape. The stop plate 16 is fastened on the lock bolt 3: on the front side of the housing 1, from which the lock bolt 3 emerges, it has two incisions 17 parallel to this end side. In each of the incisions 17 a projection 18 is formed on the lock bolt 3. Two locking contours 19 are also provided on the lock bolt 3 facing away from the end face.

Eine Drehung der Antriebsachse 6 wird über eine in dem Kurvenscheibenbund 11 vorgesehene Keilnut 21 auf die Kurvenscheibe 7 übertragen. Der Führungszapfen 15 bewegt sich auf einem Viertel der in diesem Bereich als Halbkreis-Ring ausgebildeten oberen Steuerkurve 8. Sind am Ende des Viertelkreises auf noch zu beschreibende Weise die Sperrkonturen 19 von ihrer Anlage an entgegengesetzt gleiche Sperrkonturen an einer Sperrvorrichtung gelöst, wird der Schloßriegel 3 geschlossen. Der Führungszapfen 15 wandert nach der Vierteldrehung entlang einem praktisch linearen, nahe an dem Gehäuseführungsflansch 12 verlaufenden Teil der oberen Steuerkurve 8 und schließt den Schloßriegel 3. Die obere Steuerkurve 8 ist - ebenso wie der Anschlag 10 - spiegelsymmetrisch zur Längsmittelachse 22 des Schloßriegels 3 angeordnet.Rotation of the drive axle 6 is transmitted to the cam disk 7 via a keyway 21 provided in the cam disk collar 11. The guide pin 15 moves on a quarter of the upper control cam 8, which is designed as a semicircle ring in this area. If the locking contours 19 are released from their contact with opposite locking contours on a locking device at the end of the quarter circle in a manner yet to be described, the lock bolt 3 is released closed. After the quarter turn, the guide pin 15 travels along a practically linear part of the upper control cam 8 running close to the housing guide flange 12 and closes the lock bolt 3. The upper control cam 8 - like the stop 10 - is arranged mirror-symmetrically to the longitudinal central axis 22 of the lock bolt 3.

Die untere Steuerkurve 9 ist ebenfalls spiegelsymmetrisch ausgebildet, jedoch bezogen auf eine Senkrechte 24 zu der Längsmittelachse 22. Die untere Steuerkurve 9 ist in der Ansicht pilzförmig ausgebildet. In die untere Steuerkurve 9 greift ein mit einer Hülse umgebener Führungszapfen 25. Der Führungszapfen 25 ist an einem Führungsstück 26 befestigt. Das Führungsstück 26 ist in der Ansicht U-Förmig ausgebildet und umgibt den Gehäuseführungsflansch 11. Es ist entlang einer in der Senkrechten 24 zu der Längsmittelachse 22 an dem Boden des Gehäuses 1 vorgesehenen Führung 27 geführt.The lower control curve 9 is also mirror-symmetrical, but with respect to a perpendicular 24 to the longitudinal central axis 22. The view of the lower control curve 9 is mushroom-shaped. A guide pin 25 surrounded by a sleeve engages in the lower control curve 9. The guide pin 25 is fastened to a guide piece 26. The guide piece 26 is U-shaped in the view and surrounds the housing guide flange 11. It is guided along a guide 27 provided in the perpendicular 24 to the longitudinal central axis 22 on the bottom of the housing 1.

An dem Führungsstück 26 ist ein Magnet 30 befestigt. Der Magnet 30 besteht aus einem Magnetkern 31 und einer Magnetspule 32. Die Magnetspule 32 ist über Litzen 33 mit einer nicht dargestellten Elektronik verbunden. Der Magnet 30 ist zusammen mit dem Führungsstück 26 parallel zur Führung 27 entlang einer weiteren Senkrechten 34 zur Längsmittelachse 22 des Schloßriegels 3 bewegbar.A magnet 30 is attached to the guide piece 26. The magnet 30 consists of a magnetic core 31 and a magnetic coil 32. The magnetic coil 32 is connected via strands 33 to electronics, not shown. The magnet 30 can be moved together with the guide piece 26 parallel to the guide 27 along a further perpendicular 34 to the longitudinal central axis 22 of the lock bolt 3.

In der Senkrechten 34 ist zu beiden Seiten des Magneten 30 die Sperrvorrichtung 23 in Form zweier Sperrelemente 35 vorgesehen. Jedes Sperrelement 35 ist von einem Profilstück gebildet, das relativ zu und mit dem Magneten 30 bewegbar ist. Jedes Sperrelement 35 weist eine Aufnahme für eine Ankerplatte 36 auf. Jedes Sperrelement 35 weist außerdem eine der Sperrkontur 19 an dem Schloßriegel 3 entgegengesetzt gleiche Sperrkontur 37 auf. Der Magnet 30 und die Sperrelemente 35 sind von einem Führungsstift 38 durchsetzt, der in der Senkrechten 34 zu der Längsmittelachse 22 angeordnet ist. Mittels einer Feder 39 sind die Sperrelemente 35 nach außen - voneinander weg - gedrückt gehalten. Die Feder 39 ist um den Führungsstift 38 angeordnet.In the vertical 34, the locking device 23 is provided in the form of two locking elements 35 on both sides of the magnet 30. Each locking element 35 is formed by a profile piece that is movable relative to and with the magnet 30. Each locking element 35 has a receptacle for an anchor plate 36. Each locking element 35 also has a locking contour 37 opposite the locking contour 19 on the lock bolt 3. The magnet 30 and the locking elements 35 are penetrated by a guide pin 38 which is arranged perpendicular to the longitudinal central axis 22. By means of a spring 39, the locking elements 35 are kept pressed outwards - away from each other. The spring 39 is arranged around the guide pin 38.

Ist der - zutreffende - Code für das elektronische Schloß eingegeben, wird die Magnetspule 32 erregt. In seiner in den Figuren 1 und 2 dargestellten Ausgangslage liegt der Magnet 30 an dem unteren Sperrelement 35 an. Wird die Magnetspule 32 erregt, hält der Magnet 30 die untere Ankerplatte 36 und mit ihr das zugehörige Sperrelement 35. Wird nun bei erregter Magnetspule 32 die Antriebsachse 6 gedreht, gleitet der Führungszapfen 25 in der unteren Steuerkurve 9, und zwar in der einen Hälfte des Fußes des pilzförmigen Teils. Der Magnet 30 wird dadurch auf das obere Sperrelement 35 zu bewegt. Ist der Luftspalt zwischen dem Magneten 30 und der oberen Ankerplatte 36 klein genug, wird letztere angezogen; auch das zugehörige obere Sperrelement 35 ist mit dem Magneten 30 verbunden. Weiteres Drehen der Antriebsachse 6 bis zur Vollendung eines Viertelkreises bringt den Magneten 30 und mit ihm die Sperrelemente 35 in die Mittellage - auf die Längsmittelachse 22 -. In dieser Lage sind die Sperrkonturen 19 an dem Schloßriegel 3 und die Sperrkonturen 37 an den Sperrelementen 35 außer Eingriff; der Schloßriegel 3 kann eingeschlossen werden.If the - applicable - code for the electronic lock is entered, the solenoid 32 is energized. In its initial position shown in FIGS. 1 and 2, the magnet 30 bears against the lower locking element 35. If the magnet coil 32 is excited, the magnet 30 holds the lower anchor plate 36 and with it the associated locking element 35. If the drive shaft 6 is now rotated when the magnet coil 32 is excited, the guide pin 25 slides in the lower control cam 9, namely in one half of the foot of the mushroom-shaped part. The magnet 30 is thereby moved towards the upper locking element 35. If the air gap between the magnet 30 and the upper anchor plate 36 is small enough, the latter is attracted; the associated upper locking element 35 is also connected to the magnet 30. Further rotation of the drive axis 6 until the completion of a quarter circle brings the magnet 30 and with it the blocking elements 35 into the central position - on the longitudinal central axis 22. In this position, the locking contours 19 on the lock bolt 3 and the locking contours 37 on the locking elements 35 are disengaged; the lock bolt 3 can be included.

Das elektronische Schloß weist noch den Notschloßschieber 4 auf. Auf der dem Schloßriegel 3 zugewandten Seite der Sperrelemente 35 ist der Notschloßschieber 4 mit Konturen 40 versehen, die spiegelsymmetrisch zur Längsmittelachse 22 angeordnet und auf die Sperrelemente 35 gerichtet sind. Zugeordnete entgegengesetzt gleiche Konturen 41 weist jedes der Sperrelemente 35 im Bereich seiner der Wand des Gehäuses 1 benachbarten Seite auf. Kann - zum Beispiel durch Betätigung eines zugehörigen Schlüssels - der Notschloßschieber 4 aus dem Gehäuse 1 herausgezogen werden, werden über die in Anlage kommenden Konturen 40 und 41 die Sperrelemente 35 in Richtung der Längsmittelachse 22 geführt. Auch dadurch kommen die Sperrkonturen 19 und 37 außer Eingriff; der Schloßriegel 3 kann ausgeschlossen werden.The electronic lock still has the emergency lock slide 4. On the side of the locking elements 35 facing the lock bolt 3, the emergency lock slide 4 is provided with contours 40 which are arranged mirror-symmetrically to the longitudinal central axis 22 and are directed towards the locking elements 35. Associated oppositely identical contours 41 have each of the locking elements 35 in the region of its side adjacent to the wall of the housing 1. If the emergency lock slide 4 can be pulled out of the housing 1, for example by actuating an associated key, the locking elements 35 are guided in the direction of the longitudinal central axis 22 via the contours 40 and 41 coming into contact. This also disables the locking contours 19 and 37; the lock bolt 3 can be excluded.

Gewerbliche Verwertbarkeit:Commercial usability:

Das Schloß ist überall da einsetzbar, wo Räume, Schränke odgl. verschlossen werden, insbesondere bei Tresoren und bei Stahlschränken.The lock can be used wherever rooms, cupboards or the like. be locked, especially for safes and steel cabinets.

Claims (9)

  1. Electromagnetically controlled lock, having a lock bolt (3) with locking contours, having a locking device (23) with locking contours (37) which, in the locked position of the lock bolt (3), are meshed with the latter's locking contours (19) and disengage upon excitation of the electromagnet (30), and having a lock bolt operating device, characterized in that the lock bolt (3) has the locking contours (19) on its inner face, that provided in the locking device (23) are at least two locking elements (35) which are movable counter to a retention force at right angles to the lock bolt (3) in the direction of the electromagnet (30) and may be attracted by said electromagnet, each of said locking elements being provided with at least one of the locking contours (37), and that the electromagnet (30), which is excited after entry of a code, with the lock bolt operating device successively disengages the locking contours (19; 37).
  2. Lock according to claim 1, characterized in that the electromagnet (30) has a guide (26), by means of which it is movable in the direction of the locking elements (35).
  3. Lock according to claim 1 or 2, characterized in that the electromagnet (30) is disposed in the region of the centre line (22) of the lock bolt (3) and the two locking elements (35), which are each provided with one locking contour (37) constructed in an inversely identical manner to the locking contour (19) in the lock bolt (3), are fitted with an armature plate (36) and are movable counter to the action of a spring (39) in the direction of the electromagnet (30), are disposed in a mirror-symmetrical manner relative to the centre line (22).
  4. Lock according to one of claims 1 to 3, characterized in that the locking elements (35) are positively releasable from the electromagnet (30) upon exclusion of the lock bolt (3).
  5. Lock according to one of claims 1 to 4, wherein operation of the lock bolt is effected by means of a driving axle, characterized in that connected to the driving axle (6) is a cam disk (7) which has, on its top surface, a radial cam (8) for operating the lock bar (3) and, on its underside, a radial cam (9) for operating the electromagnet (30) and/or the locking elements (35).
  6. Lock according to claim 5, characterized in that engaging into the top radial cam (8) is a pilot (15), which is connected to a stop plate (16), which in turn is fastened to the lock bolt (3).
  7. Lock according to claim 5 or 6, characterized in that engaging into the bottom radial cam (9) is a pilot (25), which is fastened to a guide piece (26), to which the electromagnet (30) is fastened.
  8. Lock according to claim 7, characterized in that the bottom radial cam (9) is of mushroom-shaped in appearance, the pilot (25) in the starting position engages at the bottommost part into the bottom radial cam (9), in which position the electromagnet (30) lies against the armature plate (36) in one of the two locking elements (35), and that, on rotation of the driving axle (6), the pilot (25) slides in the foot of the mushroom-shaped bottom radial cam (9), as a result of which the electromagnet (30) is moved firstly onto the armature plate (36) in the other locking element (35) and then into the central position.
  9. Lock according to one of claims 1 to 8, having an emergency lock slide bar, characterized in that the emergency lock slide bar (4) is provided, at the side of the locking elements (35) towards the lock bolt (3), with contours (40) which are directed towards the locking elements (35) and, on operation of the emergency lock slide bar (4), may be brought into contact with inversely identical contours (41) on the locking elements (35).
EP91117626A 1990-11-16 1991-10-16 Electromagnetically controlled lock Expired - Lifetime EP0485754B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4036579 1990-11-16
DE4036579A DE4036579A1 (en) 1990-11-16 1990-11-16 ELECTRONIC LOCK

Publications (2)

Publication Number Publication Date
EP0485754A1 EP0485754A1 (en) 1992-05-20
EP0485754B1 true EP0485754B1 (en) 1994-06-01

Family

ID=6418408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91117626A Expired - Lifetime EP0485754B1 (en) 1990-11-16 1991-10-16 Electromagnetically controlled lock

Country Status (4)

Country Link
EP (1) EP0485754B1 (en)
DE (2) DE4036579A1 (en)
ES (1) ES2055953T3 (en)
TR (1) TR25069A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004013196B3 (en) * 2004-03-17 2005-07-07 TST Tresor- und Schloßtechnik GmbH Lock unit for electronic high security lock requiring input of electronic identifcation signals for release of blocking slider to permit movement of locking pins into released position

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10246644B4 (en) * 2002-10-07 2004-10-21 Gantner Electronic Gmbh Reversible lock for doors with right or left hinges
DE10359758A1 (en) * 2003-12-19 2005-07-14 Karl-Heinz Simon Gmbh & Co. Kg Metallwarenfabrik lock

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR459060A (en) * 1913-06-10 1913-10-25 Louis Cadenel Absolute blocking device
IT1128035B (en) * 1980-02-08 1986-05-28 Nuova Feb Srl ELECTRIC
FR2558202B1 (en) * 1984-01-12 1986-04-11 Guitard Robert ELECTROMECHANICAL LOCK
US4671086A (en) * 1985-04-15 1987-06-09 Protech Partnership Redundant electrically controlled locking apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004013196B3 (en) * 2004-03-17 2005-07-07 TST Tresor- und Schloßtechnik GmbH Lock unit for electronic high security lock requiring input of electronic identifcation signals for release of blocking slider to permit movement of locking pins into released position

Also Published As

Publication number Publication date
TR25069A (en) 1992-11-01
DE4036579A1 (en) 1992-05-21
ES2055953T3 (en) 1994-09-01
DE4036579C2 (en) 1992-10-29
DE59101794D1 (en) 1994-07-07
EP0485754A1 (en) 1992-05-20

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