EP1705323A1 - Shielding for in a lock box of a door arranged lock cylinder with an electro-magnetically actuated locking mechanism - Google Patents

Shielding for in a lock box of a door arranged lock cylinder with an electro-magnetically actuated locking mechanism Download PDF

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Publication number
EP1705323A1
EP1705323A1 EP05109568A EP05109568A EP1705323A1 EP 1705323 A1 EP1705323 A1 EP 1705323A1 EP 05109568 A EP05109568 A EP 05109568A EP 05109568 A EP05109568 A EP 05109568A EP 1705323 A1 EP1705323 A1 EP 1705323A1
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EP
European Patent Office
Prior art keywords
protective element
lock cylinder
locking mechanism
rosette
lock
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
EP05109568A
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German (de)
French (fr)
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EP1705323B1 (en
Inventor
Johannes Filthaut
Everhard Jacob
Peter Pape
Karin Reckmann
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
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Aug Winkhaus GmbH and Co KG
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Publication of EP1705323A1 publication Critical patent/EP1705323A1/en
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Publication of EP1705323B1 publication Critical patent/EP1705323B1/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
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • 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

Definitions

  • the invention relates to a shield for a arranged in a lock case of a door lock cylinder with an electromagnetically activated locking mechanism and with a made of a magnetizable material protective element.
  • Such shields are used in today's lock cylinders to protect the electromagnetically activatable locking mechanism from the action of magnetic fields. Such magnetic fields are induced, for example, in the lock cylinder to unlock it without a lock authorization.
  • a shield known from practice is a rosette enclosing the free end of the lock cylinder, which is fastened as an aperture on the lock cylinder receiving door.
  • the rosette is made of magnetizable material and shields the electromagnetically activated locking mechanism from the magnetic fields.
  • today's magnets have very large field strengths, so that the rosette must be particularly large and thick-walled in order to shield the magnetic field sufficiently.
  • the shield is very costly and visually disturbing.
  • the rosette can be removed, so that the Lock cylinder is then accessible without shielding.
  • the invention is based on the problem, a shield of the type mentioned in such a way that it provides reliable protection of the electromagnetically activatable locking mechanism and is as simple as possible.
  • the protective element encloses the lock cylinder at least partially radially outside in the region of the electromagnetically activatable locking mechanism.
  • the shield can be arranged immediately in front of the locking mechanism. As a result, a possible circumvention of the shield by particularly strong magnetic fields is largely prevented. After removal of the rosette, the protection of the locking mechanism is still reliably ensured by the shield according to the invention. Due to the proximity of the shielding on the locking mechanism, it can also have particularly small dimensions and is therefore particularly simple. Another advantage of this design is that it can be easily retrofitted with already mounted in doors lock cylinders by a lock cylinder receiving pocket of the door is expanded and the shield is mounted.
  • an optical interference by the shield according to the invention can be easily avoided if the protective element is arranged below a rosette surrounding the free end of the lock cylinder.
  • the protective element When retrofitting a door already equipped with the lock cylinder after the final assembly of a rosette the expanded bag with a screen from a rosette is covered.
  • the manufacture of the rosette of a magnetizable material contributes to further increase the protection of the locking mechanism.
  • the rosette can also be made of a non-magnetizable material, such as plastic or aluminum.
  • the shield according to the invention can be produced particularly cost-effectively, if the protective element is made of a ferrous material.
  • the protective element is made of a ferrous material.
  • structural steel is suitable as a particularly cost-effective ferrous material.
  • the protective element can be arranged according to another advantageous embodiment of the invention particularly close to the locking mechanism, if it has one of the outer contour of the lock cylinder corresponding inner contour.
  • the protective element has at least two holes connected to one another and if the diameter of the holes corresponds to the dimensions of the lock cylinder. Such a protective element can be cut or bored particularly cost-effective from a plate.
  • the shielding according to the invention has particularly small dimensions and can be produced and mounted in a particularly cost-effective manner if the protective element is U-shaped or C-shaped and engages around the locking cylinder with its legs through the locking mechanism.
  • a protective element can be made of a strip material cut and bend.
  • the protective effect in relation to the material use of the protective element is particularly large.
  • the protective element for a sufficiently high protection of the locking mechanism have particularly small dimensions.
  • the shield according to the invention can be mounted particularly cost-effectively, if the protective element has a distance corresponding to the distance of a free end of the lock cylinder rosette of a lock cylinder receiving lock box corresponding width.
  • the protective element is clamped in the assembled state between the lock case and the rosette usually present anyway.
  • the protective element has the width of the electromagnetically activatable locking mechanism.
  • the protective element can be mounted permanently and reliably on the region of the lock cylinder having the locking mechanism with particularly little effort when the protective element is screwed or glued to the lock cylinder.
  • the lock cylinder outside the door with the shield according to the invention can be pre-assembled and insert from the outside of the door in the lock case.
  • An elaborate attachment of the protective element can be according to another advantageous embodiment of Simply avoid invention when the protective element is clamped between the rosette and the lock case.
  • For different length lock cylinder can provide standardized protection elements and still clamp the protective elements between the rosette and lock case when at least one spacer element is arranged between the protective element and the rosette and / or the lock case. This contributes to the further reduction of the cost of the shielding according to the invention.
  • the spacer element is made of a magnetizable material.
  • the protective element is made in one piece with the rosette.
  • the one-piece design of the protective element is formed integrally with the rosette.
  • the lock cylinder 2 has an electromagnetically activatable locking mechanism 3.
  • the electromagnetically activatable locking mechanism 3 has a locking bolt 5 which can be activated by a solenoid 4 shown schematically and is described in DE 199 01 838 A1 described in detail. Therefore, reference is made to the disclosure of the locking mechanism 3 expressly to this document.
  • the lock cylinder 2 has a rotatable core 6 in a housing 7. In the core 7, a closing channel 8 for receiving a key, not shown, for controlling the locking mechanism 3 is arranged. The lock mechanism 3 releases the movement of the core 7 depending on the drive by the key, or blocks the movement of the core 7.
  • the lock cylinder 2 has a shield of the lock mechanism 3 with a protective element 9 against an external magnetic field.
  • the door 1 has a pocket 10 for receiving the lock cylinder 2 provided with the protective element 9.
  • the protective element 9 is made of a magnetizable material, such as structural steel and directs magnetic fields around the locking mechanism 3 around.
  • FIG. 1b shows the door 1 with the lock cylinder 2 from FIG. 1a in a sectional view along the line Ib-Ib.
  • the protective element 9 has the width of a distance between a lock case 11 and the door 1 in the region of the lock cylinder 2 covering rosette 12.
  • the protective element 9 surrounds the lock cylinder 2 radially outward in the region of the locking mechanism 3.
  • the protective element 9 may for example be clamped between the lock case 11 and the rosette 12 or formed integrally with the rosette 12.
  • FIG. 1 c shows the door 1 with the lock cylinder 2 from FIG. 1 b in a view of the rosette 12. It can be seen here that the rosette 12 completely covers the protective element 9.
  • FIGs 2a to 2c show a further embodiment of the inventive shielding of the mounted in the door 1 lock cylinder 2 of Figures 1a to 1c, in which a protective element 13 has a substantially the dimensions of the locking mechanism 3 corresponding width and the lock cylinder 2 exclusively in the area encloses the locking mechanism 3.
  • a protective element 13 has a substantially the dimensions of the locking mechanism 3 corresponding width and the lock cylinder 2 exclusively in the area encloses the locking mechanism 3.
  • spacer elements 14 are arranged between the protective element 13 and the rosette 12th.
  • FIGS. 3 a to 3 c show a further embodiment of the inventive shielding of the lock cylinder 2 mounted in the door 1 from FIGS. 1 a to 1 c with a protective element 15 which surrounds the subregion of the lock cylinder 2 having the locking mechanism 3 in a U-shape.
  • Two legs 16 of the protective element 15 are guided to the upper limit of the locking mechanism 3.
  • the protective element 15 has a stud 16 arranged in one of the legs 16 for screwing to the lock cylinder 2.
  • Figure 4 shows a protective element 18 for the shield according to the invention, which has a corresponding to the outer contour of the lock cylinder 2 of Figures 1 to 3 designed inner contour.
  • the outer contour of the protective element 18 is rectangular with rounded corners.
  • Figure 5 shows a protective element 19 for the inventive shielding for the lock cylinder 2 of Figures 1 to 3, with a constant wall thickness.
  • Figure 6 shows a protective element 20 for the inventive shielding for the lock cylinder 2 of Figures 1 to 3, in which a lock cylinder 2 enclosing inner contour has two holes 21 which are interconnected.
  • Figure 7 shows a protective element 22 for the inventive shield for the lock cylinder 2 of Figures 1 to 3, which is U-shaped with two legs 23 and bent from a sheet metal strip.
  • Figure 8 shows a protective element 24 for the inventive shield for the lock cylinder 2 of Figures 1 to 3, which is U-shaped with two legs 25. The legs 25 are made wider than a base 26 connecting them together.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The shield has a protection unit (9) made up of a ferrous material and enclosing a key cylinder (2) arranged in a lock case of a door. The unit partially enloses the cylinder radially outside in the area of an electromagnetically activatable locking mechanism of the cylinder. The unit is arranged below a rosette, which encloses the free end of the cylinder, and has an internal contour corresponding to the outer contour of the cylinder.

Description

Die Erfindung betrifft eine Abschirmung für einen in einem Schlosskasten einer Tür angeordneten Schließzylinder mit einem elektromagnetisch aktivierbaren Sperrmechanismus und mit einem aus einem magnetisierbaren Material gefertigten Schutzelement.The invention relates to a shield for a arranged in a lock case of a door lock cylinder with an electromagnetically activated locking mechanism and with a made of a magnetizable material protective element.

Solche Abschirmungen werden bei heutigen Schließzylindern verwendet, um den elektromagnetisch aktivierbaren Sperrmechanismus vor der Einwirkung von magnetischen Feldern zu schützen. Solche magnetischen Felder werden beispielsweise in den Schließzylinder induziert, um ihn ohne eine Schließberechtigung zu entriegeln.Such shields are used in today's lock cylinders to protect the electromagnetically activatable locking mechanism from the action of magnetic fields. Such magnetic fields are induced, for example, in the lock cylinder to unlock it without a lock authorization.

Eine aus der Praxis bekannte Abschirmung ist eine das freie Ende des Schließzylinders umschließende Rosette, welche als Blende auf der den Schließzylinder aufnehmenden Tür befestigt wird. Die Rosette ist aus magnetisierbarem Material gefertigt und schirmt den elektromagnetisch aktivierbaren Sperrmechanismus vor den magnetischen Feldern ab. Heutige Magnete weisen jedoch sehr große Feldstärken auf, so dass die Rosette besonders groß und dickwandig ausgebildet sein muss, um das magnetische Feld ausreichend abzuschirmen. Hierdurch gestaltet sich die Abschirmung jedoch sehr kostenintensiv und optisch störend. Zudem kann die Rosette entfernt werden, so dass der Schließzylinder anschließend ohne Abschirmung zugänglich ist.A shield known from practice is a rosette enclosing the free end of the lock cylinder, which is fastened as an aperture on the lock cylinder receiving door. The rosette is made of magnetizable material and shields the electromagnetically activated locking mechanism from the magnetic fields. However, today's magnets have very large field strengths, so that the rosette must be particularly large and thick-walled in order to shield the magnetic field sufficiently. As a result, the shield is very costly and visually disturbing. In addition, the rosette can be removed, so that the Lock cylinder is then accessible without shielding.

Der Erfindung liegt das Problem zugrunde, eine Abschirmung der eingangs genannten Art so weiterzubilden, dass sie einen zuverlässigen Schutz des elektromagnetisch aktivierbaren Sperrmechanismus bietet und möglichst einfach aufgebaut ist.The invention is based on the problem, a shield of the type mentioned in such a way that it provides reliable protection of the electromagnetically activatable locking mechanism and is as simple as possible.

Dieses Problem wird erfindungsgemäß dadurch gelöst, dass das Schutzelement den Schließzylinder zumindest teilweise radial außen in dem Bereich des elektromagnetisch aktivierbaren Sperrmechanismus umschließt.This problem is inventively solved in that the protective element encloses the lock cylinder at least partially radially outside in the region of the electromagnetically activatable locking mechanism.

Durch diese Gestaltung lässt sich die Abschirmung unmittelbar vor dem Sperrmechanismus anordnen. Hierdurch wird eine mögliche Umgehung der Abschirmung durch besonders starke Magnetfelder weitgehend verhindert. Nach der Entfernung der Rosette ist der Schutz des Sperrmechanismus durch die erfindungsgemäße Abschirmung noch immer zuverlässig gewährleistet. Durch die Nähe der Abschirmung an dem Sperrmechanismus kann sie zudem besonders kleine Abmessungen aufweisen und ist daher besonders einfach aufgebaut. Ein weiterer Vorteil dieser Gestaltung besteht darin, dass sie bei bereits in Türen montierten Schließzylindern einfach nachgerüstet werden kann, indem eine den Schließzylinder aufnehmende Tasche der Tür aufgeweitet und die Abschirmung montiert wird.By this design, the shield can be arranged immediately in front of the locking mechanism. As a result, a possible circumvention of the shield by particularly strong magnetic fields is largely prevented. After removal of the rosette, the protection of the locking mechanism is still reliably ensured by the shield according to the invention. Due to the proximity of the shielding on the locking mechanism, it can also have particularly small dimensions and is therefore particularly simple. Another advantage of this design is that it can be easily retrofitted with already mounted in doors lock cylinders by a lock cylinder receiving pocket of the door is expanded and the shield is mounted.

Eine optische Störung durch die erfindungsgemäße Abschirmung lässt sich einfach vermeiden, wenn das Schutzelement unterhalb einer das freie Ende des Schließzylinders umschließenden Rosette angeordnet ist. Beim Nachrüsten einer bereits mit dem Schließzylinder ausgestatteten Tür wird nach der abschließenden Montage der Rosette die aufgeweitete Tasche mit der Abschirmung von der Rosette verdeckt. Die Fertigung der Rosette aus einem magnetisierbaren Material trägt zur weiteren Erhöhung des Schutzes des Sperrmechanismus bei. Bei einem ausreichenden Schutz des Sperrmechanismus durch die erfindungsgemäße Abschirmung kann die Rosette jedoch auch aus einem nicht magnetisierbaren Material, wie beispielsweise Kunststoff oder Aluminium, gefertigt sein.An optical interference by the shield according to the invention can be easily avoided if the protective element is arranged below a rosette surrounding the free end of the lock cylinder. When retrofitting a door already equipped with the lock cylinder after the final assembly of a rosette the expanded bag with a screen from a rosette is covered. The manufacture of the rosette of a magnetizable material contributes to further increase the protection of the locking mechanism. With sufficient protection of the locking mechanism by the shield according to the invention, however, the rosette can also be made of a non-magnetizable material, such as plastic or aluminum.

Die erfindungsgemäße Abschirmung lässt sich besonders kostengünstig fertigen, wenn das Schutzelement aus einem Eisenwerkstoff gefertigt ist. Als besonders kostengünstiger Eisenwerkstoff eignet sich beispielsweise Baustahl.The shield according to the invention can be produced particularly cost-effectively, if the protective element is made of a ferrous material. For example, structural steel is suitable as a particularly cost-effective ferrous material.

Das Schutzelement lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders nahe an dem Sperrmechanismus anordnen, wenn es eine der Außenkontur des Schließzylinders entsprechende Innenkontur hat.The protective element can be arranged according to another advantageous embodiment of the invention particularly close to the locking mechanism, if it has one of the outer contour of the lock cylinder corresponding inner contour.

Zur Vereinfachung der Fertigung der erfindungsgemäßen Abschirmung trägt es bei, wenn das Schutzelement zumindest zwei miteinander verbundene Bohrungen aufweist und wenn der Durchmesser der Bohrungen den Abmessungen des Schließzylinders entspricht. Ein solches Schutzelement lässt sich besonders kostengünstig aus einer Platte ausschneiden oder ausbohren.To simplify the production of the shield according to the invention, it is helpful if the protective element has at least two holes connected to one another and if the diameter of the holes corresponds to the dimensions of the lock cylinder. Such a protective element can be cut or bored particularly cost-effective from a plate.

Die erfindungsgemäße Abschirmung weist besonders kleine Abmessungen auf und lässt sich besonders kostengünstig herstellen und montieren, wenn das Schutzelement U-förmig oder C-förmig gestaltet ist und mit seinen Schenkeln den Schließzylinder bis über den Sperrmechanismus umgreift. Ein solches Schutzelement lässt sich von einem Bandmaterial abschneiden und biegen. Bei dieser Ausführungsform hat sich zudem überraschend gezeigt, dass die Schutzwirkung im Verhältnis zu dem Materialeinsatz des Schutzelementes besonders groß ist. Damit kann das Schutzelement für einen ausreichend hohen Schutz des Sperrmechanismus besonders kleine Abmessungen aufweisen.The shielding according to the invention has particularly small dimensions and can be produced and mounted in a particularly cost-effective manner if the protective element is U-shaped or C-shaped and engages around the locking cylinder with its legs through the locking mechanism. Such a protective element can be made of a strip material cut and bend. In this embodiment, it has also surprisingly been found that the protective effect in relation to the material use of the protective element is particularly large. Thus, the protective element for a sufficiently high protection of the locking mechanism have particularly small dimensions.

Die erfindungsgemäße Abschirmung lässt sich besonders kostengünstig montieren, wenn das Schutzelement eine dem Abstand der ein freies Ende des Schließzylinders umschließenden Rosette von einem den Schließzylinder aufnehmenden Schlosskasten entsprechende Breite hat. Durch diese Gestaltung ist das Schutzelement im montierten Zustand zwischen dem Schlosskasten und der in der Regel ohnehin vorhandenen Rosette eingespannt.The shield according to the invention can be mounted particularly cost-effectively, if the protective element has a distance corresponding to the distance of a free end of the lock cylinder rosette of a lock cylinder receiving lock box corresponding width. By this design, the protective element is clamped in the assembled state between the lock case and the rosette usually present anyway.

Zur Verringerung der Abmessungen des Schutzelementes trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn das Schutzelement die Breite des elektromagnetisch aktivierbaren Sperrmechanismus hat.To reduce the dimensions of the protective element, it contributes according to another advantageous embodiment of the invention, when the protective element has the width of the electromagnetically activatable locking mechanism.

Das Schutzelement lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung mit besonders geringem Aufwand dauerhaft und zuverlässig an dem den Sperrmechanismus aufweisenden Bereich des Schließzylinders montieren, wenn das Schutzelement mit dem Schließzylinder verschraubt oder verklebt ist. Damit lässt sich der Schließzylinder außerhalb der Tür mit der erfindungsgemäßen Abschirmung vormontieren und von der Außenseite der Tür in den Schlosskasten einführen.According to another advantageous development of the invention, the protective element can be mounted permanently and reliably on the region of the lock cylinder having the locking mechanism with particularly little effort when the protective element is screwed or glued to the lock cylinder. Thus, the lock cylinder outside the door with the shield according to the invention can be pre-assembled and insert from the outside of the door in the lock case.

Eine aufwändige Befestigung des Schutzelementes lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung einfach vermeiden, wenn das Schutzelement zwischen der Rosette und dem Schlosskasten eingespannt ist.An elaborate attachment of the protective element can be according to another advantageous embodiment of Simply avoid invention when the protective element is clamped between the rosette and the lock case.

Für verschieden lange Schließzylinder lassen sich standardisierte Schutzelemente vorsehen und dennoch die Schutzelemente zwischen Rosette und Schlosskasten einspannen, wenn zwischen dem Schutzelement und der Rosette und/oder dem Schlosskasten zumindest ein Distanzelement angeordnet ist. Dies trägt zur weiteren Verringerung der Kosten der erfindungsgemäßen Abschirmung bei.For different length lock cylinder can provide standardized protection elements and still clamp the protective elements between the rosette and lock case when at least one spacer element is arranged between the protective element and the rosette and / or the lock case. This contributes to the further reduction of the cost of the shielding according to the invention.

Zur weiteren Erhöhung des Schutzes des Sperrmechanismus vor magnetischen Feldern trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn das Distanzelement aus einem magnetisierbaren Werkstoff gefertigt ist.To further increase the protection of the locking mechanism against magnetic fields, it contributes according to another advantageous embodiment of the invention, when the spacer element is made of a magnetizable material.

Zur Vereinfachung der Montage des Schutzelementes trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn das Schutzelement einteilig mit der Rosette gefertigt ist. Vorzugsweise ist die einteilige Gestaltung des Schutzelementes mit der Rosette einstückig ausgebildet.To simplify the mounting of the protective element, it contributes according to another advantageous embodiment of the invention, when the protective element is made in one piece with the rosette. Preferably, the one-piece design of the protective element is formed integrally with the rosette.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips sind mehrere davon in der Zeichnung dargestellt und werden nachfolgend beschrieben. Diese zeigt in

Fig. 1a - 1c
einen in einer Tür montierten Schließzylinder mit einer erfindungsgemäßen Abschirmung,
Fig. 2a - 2c
eine weitere Ausführungsform der erfindungsgemäßen Abschirmung,
Fig. 3a - 3c
eine weitere Ausführungsform der erfindungsgemäßen Abschirmung,
Fig. 4 - 8
verschiedene Ausführungsformen von Schutzelementen der erfindungsgemäßen Abschirmung.
The invention allows numerous embodiments. To further clarify its basic principle, several of them are shown in the drawing and will be described below. This shows in
Fig. 1a - 1c
a lock cylinder mounted in a door with a shield according to the invention,
Fig. 2a - 2c
a further embodiment of the shield according to the invention,
Fig. 3a - 3c
a further embodiment of the shield according to the invention,
Fig. 4-8
various embodiments of protective elements of the shield according to the invention.

Figur 1a zeigt einen Querschnitt durch eine Tür 1 mit einem darin angeordneten Schließzylinder 2. Der Schließzylinder 2 hat einen elektromagnetisch aktivierbaren Sperrmechanismus 3. Der elektromagnetisch aktivierbare Sperrmechanismus 3 weist einen von einem schematisch dargestellten Elektromagneten 4 ansteuerbaren Sperrriegel 5 auf und ist in der DE 199 01 838 A1 ausführlich beschrieben. Daher wird zur Offenbarung des Sperrmechanismus 3 ausdrücklich auf diese Schrift verwiesen. Der Schließzylinder 2 hat einen in einem Gehäuse 6 drehbaren Kern 7. In dem Kern 7 ist ein Schließkanal 8 zur Aufnahme eines nicht dargestellten Schlüssels zur Ansteuerung des Sperrmechanismus 3 angeordnet. Der Sperrmechanismus 3 gibt in Abhängigkeit von der Ansteuerung durch den Schlüssel die Bewegung des Kerns 7 frei oder blockiert die Bewegung des Kerns 7. Der Schließzylinder 2 hat eine Abschirmung des Sperrmechanismus 3 mit einem Schutzelement 9 vor einem von außerhalb einwirkenden magnetischen Feld. Die Tür 1 weist eine Tasche 10 zur Aufnahme des mit dem Schutzelement 9 versehenen Schließzylinders 2 auf. Das Schutzelement 9 ist aus einem magnetisierbaren Material, beispielsweise Baustahl gefertigt und lenkt Magnetfelder um den Sperrmechanismus 3 herum.1a shows a cross section through a door 1 with a lock cylinder 2 arranged therein. The lock cylinder 2 has an electromagnetically activatable locking mechanism 3. The electromagnetically activatable locking mechanism 3 has a locking bolt 5 which can be activated by a solenoid 4 shown schematically and is described in DE 199 01 838 A1 described in detail. Therefore, reference is made to the disclosure of the locking mechanism 3 expressly to this document. The lock cylinder 2 has a rotatable core 6 in a housing 7. In the core 7, a closing channel 8 for receiving a key, not shown, for controlling the locking mechanism 3 is arranged. The lock mechanism 3 releases the movement of the core 7 depending on the drive by the key, or blocks the movement of the core 7. The lock cylinder 2 has a shield of the lock mechanism 3 with a protective element 9 against an external magnetic field. The door 1 has a pocket 10 for receiving the lock cylinder 2 provided with the protective element 9. The protective element 9 is made of a magnetizable material, such as structural steel and directs magnetic fields around the locking mechanism 3 around.

Figur 1b zeigt die Tür 1 mit dem Schließzylinder 2 aus Figur 1a in einer Schnittdarstellung entlang der Linie Ib - Ib. Hierbei ist zu erkennen, dass das Schutzelement 9 die Breite eines Abstandes zwischen einem Schlosskasten 11 und einer die Tür 1 im Bereich des Schließzylinders 2 abdeckenden Rosette 12 hat. Zudem umschließt das Schutzelement 9 den Schließzylinder 2 radial außen im Bereich des Sperrmechanismus 3. Das Schutzelement 9 kann beispielsweise zwischen dem Schlosskasten 11 und der Rosette 12 eingespannt oder einstückig mit der Rosette 12 ausgebildet sein. Figur 1c zeigt die Tür 1 mit dem Schließzylinder 2 aus Figur 1b in einer Ansicht auf die Rosette 12. Hierbei ist zu erkennen, dass die Rosette 12 das Schutzelement 9 vollständig überdeckt.FIG. 1b shows the door 1 with the lock cylinder 2 from FIG. 1a in a sectional view along the line Ib-Ib. It can be seen that the protective element 9 has the width of a distance between a lock case 11 and the door 1 in the region of the lock cylinder 2 covering rosette 12. In addition, the protective element 9 surrounds the lock cylinder 2 radially outward in the region of the locking mechanism 3. The protective element 9 may for example be clamped between the lock case 11 and the rosette 12 or formed integrally with the rosette 12. FIG. 1 c shows the door 1 with the lock cylinder 2 from FIG. 1 b in a view of the rosette 12. It can be seen here that the rosette 12 completely covers the protective element 9.

Die Figuren 2a bis 2c zeigen eine weitere Ausführungsform der erfindungsgemäßen Abschirmung des in der Tür 1 montierten Schließzylinders 2 aus den Figuren 1a bis 1c, bei der ein Schutzelement 13 eine im Wesentlichen den Abmessungen des Sperrmechanismus 3 entsprechende Breite aufweist und den Schließzylinder 2 ausschließlich im Bereich des Sperrmechanismus 3 umschließt. Zwischen dem Schutzelement 13 und der Rosette 12 sind Distanzelemente 14 angeordnet. Diese Distanzelemente 14 verspannen das Schutzelement 13 zwischen dem Schlosskasten 11 und der Rosette 12.Figures 2a to 2c show a further embodiment of the inventive shielding of the mounted in the door 1 lock cylinder 2 of Figures 1a to 1c, in which a protective element 13 has a substantially the dimensions of the locking mechanism 3 corresponding width and the lock cylinder 2 exclusively in the area encloses the locking mechanism 3. Between the protective element 13 and the rosette 12 spacer elements 14 are arranged. These spacers 14 brace the protective element 13 between the lock case 11 and the rosette 12th

Die Figuren 3a bis 3c zeigen eine weitere Ausführungsform der erfindungsgemäßen Abschirmung des in der Tür 1 montierten Schließzylinders 2 aus den Figuren 1a bis 1c mit einem Schutzelement 15, welches den den Sperrmechanismus 3 aufweisenden Teilbereich des Schließzylinders 2 U-förmig umgreift. Zwei Schenkel 16 des Schutzelementes 15 sind bis zur oberen Begrenzung des Sperrmechanismus 3 geführt. Das Schutzelement 15 hat eine in einem der Schenkel 16 angeordnete Stiftschraube 17 zur Verschraubung mit dem Schließzylinder 2.FIGS. 3 a to 3 c show a further embodiment of the inventive shielding of the lock cylinder 2 mounted in the door 1 from FIGS. 1 a to 1 c with a protective element 15 which surrounds the subregion of the lock cylinder 2 having the locking mechanism 3 in a U-shape. Two legs 16 of the protective element 15 are guided to the upper limit of the locking mechanism 3. The protective element 15 has a stud 16 arranged in one of the legs 16 for screwing to the lock cylinder 2.

Figur 4 zeigt ein Schutzelement 18 für die erfindungsgemäße Abschirmung, welches eine entsprechend der Außenkontur des Schließzylinders 2 aus den Figuren 1 bis 3 gestaltete Innenkontur hat. Die Außenkontur des Schutzelementes 18 ist rechteckig mit abgerundeten Ecken.Figure 4 shows a protective element 18 for the shield according to the invention, which has a corresponding to the outer contour of the lock cylinder 2 of Figures 1 to 3 designed inner contour. The outer contour of the protective element 18 is rectangular with rounded corners.

Figur 5 zeigt ein Schutzelement 19 für die erfindungsgemäße Abschirmung für den Schließzylinder 2 aus den Figuren 1 bis 3, mit konstanter Wandstärke.Figure 5 shows a protective element 19 for the inventive shielding for the lock cylinder 2 of Figures 1 to 3, with a constant wall thickness.

Figur 6 zeigt ein Schutzelement 20 für die erfindungsgemäße Abschirmung für den Schließzylinder 2 aus den Figuren 1 bis 3, bei der eine den Schließzylinder 2 umschließende Innenkontur zwei Bohrungen 21 hat, welche miteinander verbunden sind.Figure 6 shows a protective element 20 for the inventive shielding for the lock cylinder 2 of Figures 1 to 3, in which a lock cylinder 2 enclosing inner contour has two holes 21 which are interconnected.

Figur 7 zeigt ein Schutzelement 22 für die erfindungsgemäße Abschirmung für den Schließzylinder 2 aus den Figuren 1 bis 3, welches U-förmig mit zwei Schenkeln 23 gestaltet und aus einem Blechstreifen gebogen ist.Figure 7 shows a protective element 22 for the inventive shield for the lock cylinder 2 of Figures 1 to 3, which is U-shaped with two legs 23 and bent from a sheet metal strip.

Figur 8 zeigt ein Schutzelement 24 für die erfindungsgemäße Abschirmung für den Schließzylinder 2 aus den Figuren 1 bis 3, welches U-förmig mit zwei Schenkeln 25 gestaltet ist. Die Schenkel 25 sind breiter gestaltet als eine diese miteinander verbindende Basis 26.Figure 8 shows a protective element 24 for the inventive shield for the lock cylinder 2 of Figures 1 to 3, which is U-shaped with two legs 25. The legs 25 are made wider than a base 26 connecting them together.

Claims (13)

Abschirmung für einen in einem Schlosskasten einer Tür angeordneten Schließzylinder mit einem elektromagnetisch aktivierbaren Sperrmechanismus und mit einem aus einem magnetisierbaren Material gefertigten Schutzelement, dadurch gekennzeichnet, dass das Schutzelement (9, 13, 15, 18 - 20, 22, 24) den Schließzylinder (2) zumindest teilweise radial außen in dem Bereich des elektromagnetisch aktivierbaren Sperrmechanismus (3) umschließt.Shielding for a arranged in a lock case of a door lock cylinder with an electromagnetically activated locking mechanism and with a made of a magnetizable material protective element, characterized in that the protective element (9, 13, 15, 18 - 20, 22, 24) the lock cylinder (2 ) at least partially radially outwardly in the region of the electromagnetically activatable locking mechanism (3) encloses. Abschirmung nach Anspruch 1, dadurch gekennzeichnet, dass das Schutzelement (9, 13, 15, 18 - 20, 22, 24) unterhalb einer das freie Ende des Schließzylinders (2) umschließenden Rosette (12) angeordnet ist.Shielding according to claim 1, characterized in that the protective element (9, 13, 15, 18 - 20, 22, 24) below a free end of the lock cylinder (2) enclosing rosette (12) is arranged. Abschirmung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Schutzelement (9, 13, 15, 18 - 20, 22, 24) aus einem Eisenwerkstoff gefertigt ist.Shielding according to claim 1 or 2, characterized in that the protective element (9, 13, 15, 18 - 20, 22, 24) is made of a ferrous material. Abschirmung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schutzelement (9, 13, 15, 18, 19, 22, 24) eine der Außenkontur des Schließzylinders (2) entsprechende Innenkontur hat.Shielding according to one of the preceding claims, characterized in that the protective element (9, 13, 15, 18, 19, 22, 24) has an outer contour of the lock cylinder (2) corresponding inner contour. Abschirmung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schutzelement (20) zumindest zwei miteinander verbundene Bohrungen (21) aufweist und dass der Durchmesser der Bohrungen (21) den Abmessungen des Schließzylinders (2) entspricht.Shielding according to one of the preceding claims, characterized in that the protective element (20) has at least two interconnected bores (21) and that the diameter of the bores (21) corresponds to the dimensions of the lock cylinder (2). Abschirmung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schutzelement (15, 22, 24) U-förmig oder C-förmig gestaltet ist und mit seinen Schenkeln (16, 23, 25) den Schließzylinder (2) bis über den Sperrmechanismus (3) umgreift.Shielding according to one of the preceding claims, characterized in that the protective element (15, 22, 24) is U-shaped or C-shaped and with its legs (16, 23, 25) the lock cylinder (2) to over the locking mechanism ( 3) surrounds. Abschirmung nach Anspruch 2, dadurch gekennzeichnet, dass das Schutzelement (9, 18 - 20, 22, 24) eine dem Abstand der ein freies Ende des Schließzylinders (2) umschließenden Rosette (12) von einem den Schließzylinder (2) aufnehmenden Schlosskasten (11) entsprechende Breite hat.Shielding according to Claim 2, characterized in that the protective element (9, 18 - 20, 22, 24) has a rosette (12) enclosing the clearance of the free end of the lock cylinder (2) from a lock case (11) receiving the lock cylinder (2) ) has corresponding width. Abschirmung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schutzelement (13, 15, 18 - 20, 22, 24) die Breite des elektromagnetisch aktivierbaren Sperrmechanismus (3) hat.Shielding according to one of the preceding claims, characterized in that the protective element (13, 15, 18 - 20, 22, 24) has the width of the electromagnetically activatable locking mechanism (3). Abschirmung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schutzelement (9, 13, 15, 18 - 20, 22, 24) mit dem Schließzylinder (2) verschraubt oder verklebt ist.Shielding according to one of the preceding claims, characterized in that the protective element (9, 13, 15, 18 - 20, 22, 24) is screwed or glued to the lock cylinder (2). Abschirmung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schutzelement (9, 13, 18 - 20, 22, 24) zwischen der Rosette (12) und dem Schlosskasten (11) eingespannt ist.Shielding according to one of the preceding claims, characterized in that the protective element (9, 13, 18 - 20, 22, 24) between the rosette (12) and the lock case (11) is clamped. Abschirmung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass zwischen dem Schutzelement (13, 18 - 20, 22, 24) und der Rosette (12) und/oder dem Schlosskasten (11) zumindest ein Distanzelement (14) angeordnet ist.Shielding according to one of the preceding claims, characterized in that between the protective element (13, 18 - 20, 22, 24) and the rosette (12) and / or the lock case (11) at least one spacer element (14) is arranged. Abschirmung nach Anspruch 11, dadurch gekennzeichnet, dass das Distanzelement (14) aus einem magnetisierbaren Werkstoff gefertigt ist.Shielding according to claim 11, characterized in that the spacer element (14) is made of a magnetizable material. Abschirmung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schutzelement (9, 18 - 20, 22, 24) einteilig mit der Rosette (12) gefertigt ist.Shielding according to one of the preceding claims, characterized in that the protective element (9, 18 - 20, 22, 24) is made in one piece with the rosette (12).
EP05109568A 2004-11-27 2005-10-14 Shielding for in a lock box of a door arranged lock cylinder with an electro-magnetically actuated locking mechanism Not-in-force EP1705323B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004057420A DE102004057420A1 (en) 2004-11-27 2004-11-27 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

Publications (2)

Publication Number Publication Date
EP1705323A1 true EP1705323A1 (en) 2006-09-27
EP1705323B1 EP1705323B1 (en) 2007-07-25

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EP05109568A Not-in-force EP1705323B1 (en) 2004-11-27 2005-10-14 Shielding for in a lock box of a door arranged lock cylinder with an electro-magnetically actuated locking mechanism

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EP (1) EP1705323B1 (en)
AT (1) ATE368163T1 (en)
DE (2) DE102004057420A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19901838A1 (en) * 1999-01-19 2000-07-20 Winkhaus Fa August Electromagnetically activatable locking mechanism
GB2346925A (en) * 1999-02-16 2000-08-23 Douglas Gray Electromagnetic security lock
EP1256671A2 (en) * 2001-05-09 2002-11-13 BKS GmbH Escutcheon for a lock cylinder
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19901839A1 (en) * 1999-01-19 2000-07-20 Winkhaus Fa August Electromagnetically activatable locking mechanism
DE10217823A1 (en) * 2002-04-15 2003-10-30 Coreta Gmbh Passive actuator
DE20321724U1 (en) * 2003-12-19 2009-03-05 Karl Simon Gmbh & Co. Kg lock

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19901838A1 (en) * 1999-01-19 2000-07-20 Winkhaus Fa August Electromagnetically activatable locking mechanism
GB2346925A (en) * 1999-02-16 2000-08-23 Douglas Gray Electromagnetic security lock
EP1256671A2 (en) * 2001-05-09 2002-11-13 BKS GmbH Escutcheon for a lock cylinder
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

Also Published As

Publication number Publication date
EP1705323B1 (en) 2007-07-25
DE102004057420A1 (en) 2006-06-01
ATE368163T1 (en) 2007-08-15
DE502005001094D1 (en) 2007-09-06

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