EP1994242A1 - Free-running locking cylinder - Google Patents

Free-running locking cylinder

Info

Publication number
EP1994242A1
EP1994242A1 EP07712516A EP07712516A EP1994242A1 EP 1994242 A1 EP1994242 A1 EP 1994242A1 EP 07712516 A EP07712516 A EP 07712516A EP 07712516 A EP07712516 A EP 07712516A EP 1994242 A1 EP1994242 A1 EP 1994242A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
blocking
key
cylinder core
coupling
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
EP07712516A
Other languages
German (de)
French (fr)
Other versions
EP1994242B1 (en
Inventor
Thomas Wallberg
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.)
C Ed Schulte Zylinderschlossfabrik GmbH
Original Assignee
C Ed Schulte Zylinderschlossfabrik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by C Ed Schulte Zylinderschlossfabrik GmbH filed Critical C Ed Schulte Zylinderschlossfabrik GmbH
Publication of EP1994242A1 publication Critical patent/EP1994242A1/en
Application granted granted Critical
Publication of EP1994242B1 publication Critical patent/EP1994242B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/10—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam
    • E05B9/105—Coupling devices for the two halves of double cylinder locks, e.g. devices for coupling the rotor with the locking cam including disengagement means, e.g. opening from one side being still possible even if the key is inserted from the other side

Definitions

  • the invention relates to a lock cylinder with a cylinder housing, a cylinder core mounted therein, a closing member and a locking member rotatable and rotatable to the cylinder core coupling piece with a coupling slot for inserting the tip of an inserted into a keyway of the cylinder core key.
  • Such lock cylinders are known in the art.
  • the cylinder core is by means of tumbler pins, which eino in housing or core holes of the housing or the cylinder core with not key inserted locked. If a key is inserted, the tip of the key enters a coupling slot of a coupling piece.
  • the coupling piece is rotatable with not key inserted opposite the cylinder core, so that the closing member can rotate freely when the key is not inserted.
  • Such freewheeling cylinders are used in particular on gear locks.
  • the invention has for its object to improve the generic lock safety.
  • the object is achieved by the invention specified in the claims.
  • Each claim relates to an independent solution to the problem and can be combined with any other claim in any way.
  • the claim 1 provides initially and essentially one of the key tip when entering the clutch slot before in a positive connection to the cylinder core bringable blocking element.
  • This blocking element can be designed as a pivoting element. It is preferably a two-armed pivot lever.
  • the blocking element When the key is not inserted, the blocking element is held in a position in which one arm of the blocking element lies outside a blocking recess of the cylinder core. In this position, the coupling piece can be rotated freely relative to the cylinder core.
  • the coupling piece is located in an axial cavity of the cylinder core.
  • the operating portion of the blocking element which normally locks the coupling slot, pivoted by the tip of the key or by the end of a Dietrichs, so enters its blocking portion in the blocking recess of the cylinder core.
  • the coupling piece is now rotatably coupled with the cylinder core. If the cylinder core, according to not properly sorted tumbler pins rotationally locked, so the coupling piece can not be rotated. A rotation of the coupling piece is possible only with simultaneous rotation of the cylinder core.
  • the lock cylinder nevertheless has a freewheeling function.
  • the closing element can assume a position in which the blocking element is not aligned with the blocking recess of the cylinder core.
  • the lock cylinder can be turned, since the key tip can displace the entire coupling piece axially.
  • the key can thus be completely inserted into the keyway of the cylinder core, without the tip has to pivot the operating portion of the blocking element.
  • the coupling piece does not rotate with. Only when the blocking recess is aligned with the blocking portion of the blocking element, so that the latter can enter into the blocking recess, the key tip can enter slot in the coupling. Then the closing member is again rotatably with the cylinder core over the coupling piece coupled.
  • the closing element can only be brought into a position in which the blocking section engages in the blocking recess.
  • the tumbler pins lock the rotatability of the cylinder core, the closure member can not be rotated further by the lockpipe.
  • FIG. 5 shows a representation according to FIG. 3 with the key removed
  • FIG. 6 is a view according to Figure 2 with rotated by 90 ° key
  • FIG. 7 shows a representation according to FIG. 1 with the key removed, but with a closure member rotated by 90 °, FIG.
  • FIG 9 is a view according to FIG 8 with inserted key and axially displaced coupling piece
  • FIG. 10 is a section along the line XX in Figure 9th In the embodiment, it is a double lock cylinder.
  • This has a cylinder housing made of metal, which has a flange, in which core holes 13 are arranged.
  • stuck tumbler pins not shown, which are supported by tumblers on the bottom of the core holes 13.
  • the core holes 13 open into a hole in which a cylinder core 2 is inserted.
  • the two cylinder cores 2 of the double-locking cylinder have mutually aligned axes of rotation. They have to the housing bores 13 aligned core holes 14.
  • the core holes 14 open into a key channel 8, in which a flat key 5 can be inserted.
  • the two opposite broad sides of the key are profiled with differently deep recesses for the differently long core pins. With an inserted matching key 5, the cylinder core 2 can be rotated.
  • the tip 6 of the key 5 is inserted in a coupling slot 7 of a coupling piece 4.
  • the coupling piece 4 has a substantially circular-cylindrical section in which it rests in a front-side cavity of the cylinder core 2.
  • the coupling slot 4 has a profile section 16. This has a non-circular cross section and is in a cross-section adapted profile opening 15 of the closing member 3, so that rotation of the coupling piece 4 on the closing member. 3 can be transferred.
  • the wall 2 'of the frontal opening of the cylinder core 2, in which the circular cylindrical portion of the coupling piece 4 is located, has diagonally opposite recesses.
  • the keyhole 5 'associated recess 12 forms a blocking recess.
  • a blocking section 9 "of a blocking element 9 can engage in this blocking recess 12 when an actuating section 9 'is pivoted away from the key tip 6 of a key 5.
  • the blocking element 9 is formed in the embodiment of a two-armed lever. This is within the coupling slot 7.
  • the blocking element 9 is pivotable about a pivot axis 10, which is formed by a pivot pin.
  • the actuating arm 9 ' is acted upon by a compression spring 11, which is supported on the bottom of a recess which is introduced into the bottom of the coupling slot 7.
  • the spring 11 acts on the actuating portion 9 'such that it closes the coupling slot 7.
  • the entry of the key tip 6 in the coupling slot 7 is only possible if this is aligned with the keyway 8. This is illustrated, for example, in FIGS. 2 and 3.
  • the blocking element 9 is pivoted so that the blocking section 9 "can enter into the blocking recess 12 of the cylinder core 2.
  • the coupling piece 4 is connected in a rotationally fixed manner to the cylinder core 2 by a positive connection a key wrench, so he can be rotated ..
  • the key tip 6, which is coupled according to their engagement in the coupling slot 7 with the coupling piece 4, towed according to the rotationally fixed connection between the coupling piece 4 and closing member 3 latter.
  • the closing member 3 can be rotated freely, for example, in the position shown in Figure 8.
  • Key channel 8 can be inserted until the tumblers are sorted. If, starting from the operating position of the cylinder core 2 shown in FIGS. 9 and 10, the closing element 3 and the coupling piece 4 connected to it in a rotationally fixed manner initially remain in the position. Only when the coupling slot 7 is aligned with the keyway 8, the Key tip 6 in the coupling slot 7 occur, as Figure 3 shows. In this position, the blocking recess 12 is aligned with the coupling slot 7, so that the blocking portion 9 'of the angle lever 9 can enter into the blocking recess 12.
  • the cylinder half of the double-locking cylinder shown on the right in the drawings is substantially identical to the cylinder half shown on the left in the drawings. While on the left side of the blocking recess 12 is formed by a diametrical slit, it is formed on the right side of a bore. This is a bore 12 in the jacket wall 2 'of the frontal cavity of the cylinder core. 2

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Reinforced Plastic Materials (AREA)
  • Pens And Brushes (AREA)
  • Vending Machines For Individual Products (AREA)

Abstract

The invention relates to a locking cylinder having a cylinder housing (1), having a cylinder core (2) mounted therein, having a locking member (3) and having a coupling piece (4), which is rotationally fixed with respect to the locking member (3) and is rotatable with respect to the cylinder core (2), with a coupling slot (7) for the insertion of the tip (6) of a key which is inserted into a key channel (8) of the cylinder core (2). In order to improve a generic lock in terms of security, a blocking element (9) is proposed which can be placed into a form-fitting connection with respect to the cylinder core (2) by the key tip (6) as it enters into the coupling slot (7).

Description

Freilauf schließzylinderFreewheel locking cylinder
Die Erfindung betrifft einen Schließzylinder mit einem Zylindergehäuse, einem darin gelagerten Zylinderkern, einem Schließglied und einem zum Schließglied drehfesten und zum Zylinderkern drehbaren Kupplungs stück mit einem Kupplungsschlitz zum Einstecken der Spitze eines in einen Schlüsselkanal des Zylinderkerns eingesteckten Schlüssels.The invention relates to a lock cylinder with a cylinder housing, a cylinder core mounted therein, a closing member and a locking member rotatable and rotatable to the cylinder core coupling piece with a coupling slot for inserting the tip of an inserted into a keyway of the cylinder core key.
Derartige Schließzylinder sind im Stand der Technik bekannt. Der Zylinderkern ist mittelst Zuhaltungsstiften, die in Gehäuse- bzw. Kernbohrungen des Gehäuses bzw. des Zylinderkernes einliegen bei nicht eingestecktem Schlüssel drehgesperrt. Wird ein Schlüssel eingesteckt, so tritt die Spitze des Schlüssels in einen Kupplungsschlitz eines Kupplungsstückes. Das Kupplungsstück ist bei nicht eingestecktem Schlüssel gegenüber dem Zylinderkern drehbar, so dass sich das Schließglied bei nicht eingestecktem Schlüssel frei drehen kann. Derartige Freilaufzylinder werden insbesondere an Getriebeschlössern verwendet.Such lock cylinders are known in the art. The cylinder core is by means of tumbler pins, which einliegen in housing or core holes of the housing or the cylinder core with not key inserted locked. If a key is inserted, the tip of the key enters a coupling slot of a coupling piece. The coupling piece is rotatable with not key inserted opposite the cylinder core, so that the closing member can rotate freely when the key is not inserted. Such freewheeling cylinders are used in particular on gear locks.
Wird durch den Schlüsselkanal, in welchem normalerweise der passende Schlüssel eingesteckt werden soll, ein schmaler Dietrich eingesteckt, kann des- sen verbreitetes Ende in eine Kupplungsstellung mit dem Kupplungsstück gebracht werden. Das Ende des Dietrichs tritt dabei in den Kupplungsschlitz. Das Kupplungselement und somit auch das damit drehfest gekoppelte Schließglied kann dann vom Dietrich gedreht werden.If a small locking peg is inserted through the keyway, in which the appropriate key is normally to be inserted, its common end can be brought into a coupling position with the coupling piece. The end of the lockpick enters the coupling slot. The coupling element and thus also the rotatably coupled therewith closing member can then be rotated by Dietrich.
Der Erfindung liegt die Aufgabe zugrunde, das gattungsgemäß Schloss sicherheitstechnisch zu verbessern.The invention has for its object to improve the generic lock safety.
Gelöst wird die Aufgabe durch die in den Ansprüchen angegebene Erfindung. Jeder Anspruch betrifft eine eigenständige Lösung der Aufgabe und ist mit je- dem anderen Anspruch in beliebiger Weise kombinierbar. Der Anspruch 1 sieht zunächst und im Wesentlichen ein von der Schlüsselspitze beim Eintritt in den Kupplungs schlitz in eine Formschlussverbindung zum Zylinderkern bringbares Blockierelement vor. Dieses Blockierelement kann als Schwenkelement ausgebildet sein. Bevorzugt handelt es sich um einen zweiarmigen Schwenkhebel. Bei nicht eingestecktem Schlüssel wird das Blockierelement in einer Stellung gehalten, in der ein Arm des Blockierelementes außerhalb einer Blockierausnehmung des Zylinderkernes liegt. In dieser Stellung kann das Kupplungsstück gegenüber dem Zylinderkern frei gedreht werden. Das Kupplungsstück liegt in einer Axialhöhlung des Zylinderkernes ein. Wird der Betätigungsabschnitt des Blockierelementes, welcher normalerweise den Kupplungsschlitz sperrt, durch die Spitze des Schlüssels oder durch das Ende eines Dietrichs verschwenkt, so tritt sein Blockierabschnitt in die Blockierausnehmung des Zylinderkernes ein. Das Kupplungsstück ist jetzt drehfest mit dem Zylinderkern gekuppelt. Ist der Zylinderkern zufolge nicht richtig einsortierter Zuhaltungs stifte drehgesperrt, so kann das Kupplungsstück nicht gedreht werden. Eine Drehung des Kupplungsstücks ist nur unter gleichzeitiger Drehung des Zylinderkernes möglich. Der Schließzylinder besitzt gleichwohl eine Freilauffunktion. Das Schließglied kann eine Stellung einnehmen, in wel- eher das Blockierelement nicht zur Blockierausnehmung des Zylinderkernes fluchtet. Wird in dieser Stellung der passende Schlüssel eingesteckt, so kann der Schließzylinder gedreht werden, da die Schlüsselspitze das gesamte Kupplungsstück axial verlagern kann. Der Schlüssel kann also vollständig in den Schlüsselkanal des Zylinderkernes eingesteckt werden, ohne dass die Spitze den Betätigungsabschnitt des Blockierelementes verschwenken muss. Wird jetzt der Zylinderkern von dem passenden Schlüssel gedreht, so dreht sich das Kupplungsstück nicht mit. Erst wenn die Blockierausnehmung mit dem Blockierabschnitt des Blockierelementes fluchtet, so dass letzteres in die Blockierausnehmung eintreten kann, kann die Schlüsselspitze in den Kupplungs schlitz eintreten. Dann ist das Schließglied wieder drehfest mit dem Zylinderkern über das Kupplungsstück gekuppelt. Wird letzteres mit Hilfe eines Dietrichs versucht, so lässt sich das Schließglied nur bis in eine Position bringen, in welcher der Blockierabschnitt in die Blockierausnehmung einrastet. Da die Zuhaltungs- stifte aber die Drehbarkeit des Zylinderkernes sperren, kann das Schließglied von dem Dietrich nicht weiter gedreht werden.The object is achieved by the invention specified in the claims. Each claim relates to an independent solution to the problem and can be combined with any other claim in any way. The claim 1 provides initially and essentially one of the key tip when entering the clutch slot before in a positive connection to the cylinder core bringable blocking element. This blocking element can be designed as a pivoting element. It is preferably a two-armed pivot lever. When the key is not inserted, the blocking element is held in a position in which one arm of the blocking element lies outside a blocking recess of the cylinder core. In this position, the coupling piece can be rotated freely relative to the cylinder core. The coupling piece is located in an axial cavity of the cylinder core. If the operating portion of the blocking element, which normally locks the coupling slot, pivoted by the tip of the key or by the end of a Dietrichs, so enters its blocking portion in the blocking recess of the cylinder core. The coupling piece is now rotatably coupled with the cylinder core. If the cylinder core, according to not properly sorted tumbler pins rotationally locked, so the coupling piece can not be rotated. A rotation of the coupling piece is possible only with simultaneous rotation of the cylinder core. The lock cylinder nevertheless has a freewheeling function. The closing element can assume a position in which the blocking element is not aligned with the blocking recess of the cylinder core. If the appropriate key is inserted in this position, then the lock cylinder can be turned, since the key tip can displace the entire coupling piece axially. The key can thus be completely inserted into the keyway of the cylinder core, without the tip has to pivot the operating portion of the blocking element. Now if the cylinder core is rotated by the appropriate key, the coupling piece does not rotate with. Only when the blocking recess is aligned with the blocking portion of the blocking element, so that the latter can enter into the blocking recess, the key tip can enter slot in the coupling. Then the closing member is again rotatably with the cylinder core over the coupling piece coupled. If the latter is attempted with the aid of a locking peg, the closing element can only be brought into a position in which the blocking section engages in the blocking recess. However, since the tumbler pins lock the rotatability of the cylinder core, the closure member can not be rotated further by the lockpipe.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand beigefügter Zeichnungen erläutert. Es zeigen:An embodiment of the invention will be explained below with reference to accompanying drawings. Show it:
Fig. 1 eine Stirnseitendrauf sieht auf einen Doppelschließzylinder,1 a Stirnseitaufrauf looks at a double lock cylinder,
Fig. 2 einen Schnitt gemäß der Linie II-II in Figur 1,2 shows a section along the line II-II in Figure 1,
Fig. 3 einen Schnitt gemäß der Linie III-III in Figur 1,3 is a section along the line III-III in Figure 1,
Fig. 4 einen Schnitt gemäß der Linie IV-IV in Figur 2,4 shows a section along the line IV-IV in Figure 2,
Fig. 5 eine Darstellung gemäß Figur 3 bei abgezogenem Schlüssel,5 shows a representation according to FIG. 3 with the key removed,
Fig. 6 eine Darstellung gemäß Figur 2 mit um 90° gedrehtem Schlüssel,6 is a view according to Figure 2 with rotated by 90 ° key,
Fig. 7 Darstellung gemäß Figur 1 mit abgezogenem Schlüssel, aber einem um 90° verdrehten Schließglied,7 shows a representation according to FIG. 1 with the key removed, but with a closure member rotated by 90 °, FIG.
Fig. 8 einen Schnitt gemäß der Linie VIII-VIII in Figur 7,8 shows a section along the line VIII-VIII in Figure 7,
Fig. 9 eine Darstellung gemäß Figur 8 mit eingestecktem Schlüssel und axial verlagertem Kupplungsstück,9 is a view according to FIG 8 with inserted key and axially displaced coupling piece,
Fig. 10 ein Schnitt gemäß der Linie X-X in Figur 9. Bei dem Ausführungsbeispiel handelt es sich um einen Doppelschließzylinder. Dieser besitzt ein Zylindergehäuse aus Metall, welches einen Flanschabschnitt besitzt, in dem Kernbohrungen 13 angeordnet sind. In diesen Kernbohrungen 13 stecken nicht dargestellte Zuhaltungsstifte, die mittelst Zuhaltungsfedern auf dem Boden der Kernbohrungen 13 abgestützt sind. Die Kernbohrungen 13 münden in eine Bohrung, in welcher ein Zylinderkern 2 steckt. Die beiden Zylinderkerne 2 des Doppelschließzylinders haben zueinander fluchtende Drehachsen. Sie besitzen zu den Gehäusebohrungen 13 fluchtende Kernbohrungen 14. In diesen stecken nicht dargestellte Kernstifte, die mit nicht dargestellten Gehäusestiften korrespondieren. Die Kernbohrungen 14 münden in einen Schlüsselkanal 8, in den ein Flachschlüssel 5 einsteckbar ist. Im Ausführungsbeispiel sind die beiden sich gegenüberliegenden Breitseiten des Schlüssels mit unterschiedlich tiefen Aussparungen für die verschieden langen Kernstifte pro- filiert. Bei einem eingesteckten passenden Schlüssel 5 lässt sich der Zylinderkern 2 drehen.10 is a section along the line XX in Figure 9th In the embodiment, it is a double lock cylinder. This has a cylinder housing made of metal, which has a flange, in which core holes 13 are arranged. In this core holes 13 stuck tumbler pins, not shown, which are supported by tumblers on the bottom of the core holes 13. The core holes 13 open into a hole in which a cylinder core 2 is inserted. The two cylinder cores 2 of the double-locking cylinder have mutually aligned axes of rotation. They have to the housing bores 13 aligned core holes 14. In this stuck core pins, which correspond to housing pins, not shown. The core holes 14 open into a key channel 8, in which a flat key 5 can be inserted. In the exemplary embodiment, the two opposite broad sides of the key are profiled with differently deep recesses for the differently long core pins. With an inserted matching key 5, the cylinder core 2 can be rotated.
Die Spitze 6 des Schlüssels 5 steckt in einem Kupplungsschlitz 7 eines Kupplungsstücks 4. Das Kupplungsstück 4 besitzt einen im Wesentlichen kreiszy- lindrischen Abschnitt, in welchem es in einer stirnseitigen Höhlung des Zylinderkernes 2 einliegt. Der Kupplungsschlitz 7 ist ein Diametralschlitz der Stirnseite dieses kreiszylindrisches Abschnittes dieses Kupplungsstückes 4. Das Kupplungsstück 4 besitzt einen Profilabschnitt 16. Dieser besitzt einen unrunden Querschnitt und steckt in einer querschnittsangepassten Profilöffnung 15 des Schließgliedes 3, so dass eine Drehung des Kupplungsstückes 4 auf das Schließglied 3 übertragen werden kann.The tip 6 of the key 5 is inserted in a coupling slot 7 of a coupling piece 4. The coupling piece 4 has a substantially circular-cylindrical section in which it rests in a front-side cavity of the cylinder core 2. The coupling slot 4 has a profile section 16. This has a non-circular cross section and is in a cross-section adapted profile opening 15 of the closing member 3, so that rotation of the coupling piece 4 on the closing member. 3 can be transferred.
Es sind insgesamt zwei Kupplungsstücke 4 vorgesehen, die jeweils aus den beiden Breitseiten des Schließgliedes 3 herausragen und jeweils kreiszylindri- sehe Abschnitte aufweisen, mit denen sie jeweils in Stirnseitenöffnungen der voneinander beabstandeten Zylinderkerne 2 einliegen. Der Zylinderkern 2 der in den Zeichnungen rechts dargestellten Zylinderhälfte besitzt eine Verlängerung. Beide Kupplungsstücke 4 sind mit dem Schließglied 3 drehfest verbunden. Sie können sich aber geringfügig in Achsrichtung verlagern. Die beiden Kupplungsstücke 4 sind mit einer nicht dargestellten Feder derartig gegeneinander abgefedert, dass sie unter Druck dieser Feder in die Stirnseitenöffnungen der Zylinderkerne 2 hineinragen. Sie liegen mit ihren Stirnflächen an den Böden der Stirnseitenöffnungen an. Bei nicht eingestecktem Schlüssel kann das Schließglied 3 gedreht werden. Die Zylinderkerne 2 können, da sie von den Zuhaltungen gesperrt sind, nicht gedreht werden. Es drehen sich die Kupplungsstücke 4 innerhalb der Zylinderkerne 2.There are a total of two coupling pieces 4 are provided, each protruding from the two broad sides of the closing member 3 and each have kreiszylindri- see sections, with which they each in front side openings of the einliegen from cylinder cores 2 einliegen. The cylinder core 2 of the cylinder half shown on the right in the drawings has an extension. Both coupling pieces 4 are rotatably connected to the closing member 3. But you can slightly shift in the axial direction. The two coupling pieces 4 are cushioned against each other with a spring, not shown, that they project under pressure of this spring in the front side openings of the cylinder cores 2. They rest with their faces on the bottoms of the front side openings. When the key is not inserted, the closing member 3 can be rotated. The cylinder cores 2, since they are locked by the tumblers, can not be rotated. The coupling pieces 4 rotate within the cylinder cores 2.
Die Wandung 2' der stirnseitigen Öffnung des Zylinderkernes 2, in welcher der kreiszylindrische Abschnitt des Kupplungsstückes 4 liegt, besitzt sich diagonal gegenüberliegende Aussparungen. Die einer Schlüsselbrust 5' zugeordnete Aussparung 12 bildet eine Blockierausnehmung.The wall 2 'of the frontal opening of the cylinder core 2, in which the circular cylindrical portion of the coupling piece 4 is located, has diagonally opposite recesses. The keyhole 5 'associated recess 12 forms a blocking recess.
In diese Blockierausnehmung 12 kann ein Blockierabschnitt 9" eines Blockierelementes 9 eingreifen, wenn ein Betätigungsabschnitt 9' von der Schlüsselspit- ze 6 eines Schlüssels 5 verschwenkt wird.A blocking section 9 "of a blocking element 9 can engage in this blocking recess 12 when an actuating section 9 'is pivoted away from the key tip 6 of a key 5.
Das Blockierelement 9 wird im Ausführungsbeispiel von einem zweiarmigen Hebel ausgebildet. Dieser liegt innerhalb des Kupplungsschlitzes 7. Das Blockierelement 9 ist um eine Schwenkachse 10, die von einem Achsbolzen ge- bildet wird, schwenkbar. Der Betätigungsarm 9' wird von einer Druckfeder 11 beaufschlagt, die sich auf den Boden einer Vertiefung abstützt, die in den Boden des Kupplungsschlitzes 7 eingebracht ist. Bei nicht eingestecktem Schlüssel beaufschlagt die Feder 11 den Betätigungsabschnitt 9' derartig, dass er den Kupplungsschlitz 7 verschließt. Das Eintreten der Schlüsselspitze 6 in den Kupplungsschlitz 7 ist nur möglich, wenn dieser mit dem Schlüsselkanal 8 fluchtet. Dies ist beispielsweise in den Figuren 2 und 3 dargestellt. Dann wird das Blockierelement 9 verschwenkt, so dass der Blockierabschnitt 9" in die Blockierausnehmung 12 des Zylinderkernes 2 eintreten kann. In dieser Stellung ist das Kupplungsstück 4 durch einen Form- schluss drehfest mit dem Zylinderkern 2 verbunden. Handelt es sich bei dem Schlüssel 5 um einen passenden Schlüssel, so kann er gedreht werden. Die Schlüsselspitze 6, die zufolge ihres Eingriffs in den Kupplungs schlitz 7 mit dem Kupplungsstück 4 gekuppelt ist, schleppt zufolge der drehfesten Verbindung zwischen Kupplungs stück 4 und Schließglied 3 letzteres mit.The blocking element 9 is formed in the embodiment of a two-armed lever. This is within the coupling slot 7. The blocking element 9 is pivotable about a pivot axis 10, which is formed by a pivot pin. The actuating arm 9 'is acted upon by a compression spring 11, which is supported on the bottom of a recess which is introduced into the bottom of the coupling slot 7. When the key is not inserted, the spring 11 acts on the actuating portion 9 'such that it closes the coupling slot 7. The entry of the key tip 6 in the coupling slot 7 is only possible if this is aligned with the keyway 8. This is illustrated, for example, in FIGS. 2 and 3. Then the blocking element 9 is pivoted so that the blocking section 9 "can enter into the blocking recess 12 of the cylinder core 2. In this position, the coupling piece 4 is connected in a rotationally fixed manner to the cylinder core 2 by a positive connection a key wrench, so he can be rotated .. The key tip 6, which is coupled according to their engagement in the coupling slot 7 with the coupling piece 4, towed according to the rotationally fixed connection between the coupling piece 4 and closing member 3 latter.
Wird der Schlüssel abgezogen, wird die in der Figur 5 dargestellte Betriebsstellung erreicht, in welcher die Feder 11 das Blockierelement 9 in eine Stellung gebracht hat, in welcher die Formschlusskupplung aufgehoben ist.If the key is removed, the operating position shown in Figure 5 is reached, in which the spring 11 has brought the blocking element 9 in a position in which the form-locking coupling is released.
In dieser Stellung kann das Schließglied 3 frei gedreht werden, beispielsweise in die in Figur 8 dargestellte Stellung. In dieser Abbildung ist zu erkennen, dass der Blockierabschnitt 9' jetzt vor einer Wandung 2' der Stirnseitenöffnung des Zylinderkernes 2 liegt. Würde jetzt ein Schlüssel eingesteckt werden, so kann dieser nicht mit seiner Spitze 6 in den Kupplungsschlitz 7 treten, da dieser nicht mit dem Schlüsselkanal 8 fluchtet. Der Schlüssel verlagert vielmehr, wie in den Figuren 9 und 10 dargestellt, das gesamte Kupplungsstück 4 gegen die Kraft der oben genannten und nicht dargestellten Druckfeder auf den in den Zeichnungen rechts dargestellten anderen Zylinderkern 2 hin. Der Verlagerungsweg des Kupplungsstückes 4 ist so groß, dass der Schlüssel 5 vollständig in denIn this position, the closing member 3 can be rotated freely, for example, in the position shown in Figure 8. In this figure, it can be seen that the blocking section 9 'now lies in front of a wall 2' of the front side opening of the cylinder core 2. If a key were now inserted, it can not enter the coupling slot 7 with its tip 6, since it is not aligned with the keyway 8. Rather, the key shifts, as shown in Figures 9 and 10, the entire coupling piece 4 against the force of the above-mentioned and not shown compression spring on the right in the drawings shown on the other cylinder core 2 out. The displacement path of the coupling piece 4 is so large that the key 5 completely in the
Schlüsselkanal 8 eingesteckt werden kann, bis die Zuhaltungen einsortiert werden. Wird ausgehend aus der in den Figuren 9 und 10 dargestellten Betriebsstellung der Zylinderkern 2 gedreht, so verbleibt zunächst das Schließglied 3 und das mit ihm drehfest verbundene Kupplungsstück 4 in der Position. Erst wenn der Kupplungsschlitz 7 mit dem Schlüsselkanal 8 fluchtet, kann die Schlüsselspitze 6 in den Kupplungsschlitz 7 treten, wie es die Figur 3 darstellt. In dieser Stellung fluchtet auch die Blockierausnehmung 12 mit dem Kupplungsschlitz 7, so dass der Blockierabschnitt 9' des Winkelhebels 9 in die Blockierausnehmung 12 eintreten kann.Key channel 8 can be inserted until the tumblers are sorted. If, starting from the operating position of the cylinder core 2 shown in FIGS. 9 and 10, the closing element 3 and the coupling piece 4 connected to it in a rotationally fixed manner initially remain in the position. Only when the coupling slot 7 is aligned with the keyway 8, the Key tip 6 in the coupling slot 7 occur, as Figure 3 shows. In this position, the blocking recess 12 is aligned with the coupling slot 7, so that the blocking portion 9 'of the angle lever 9 can enter into the blocking recess 12.
Wird in der in Figur 5 dargestellten Betriebsstellung anstelle eines passenden Schlüssels ein Dietrich in den Schlüsselkanal 8 eingeschoben, so kann das Ende des Dietrichs, welches L-förmig abgewinkelt sein kann, in den Kupplungsschlitz eintreten. Der Schaft des Dietrich könnte zwar innerhalb des Schlüssel- kanales gedreht werden. Da der Eintritt des Endes des Dietrichs in den Kupplungsschlitz 7 aber zwangsläufig eine Verschwenkung des Blockierelementes 9 zur Folge hat, ist der Blockierarm des zweiarmigen Blockierelementes in die Blockierausnehmung 12 eingetreten. Wird jetzt der Dietrich gedreht, so erfolgt zunächst eine Relativverdrehung des Kupplungsstückes 4 gegenüber dem Zy- linderkern 2. Diese Relativdrehung ist aber dann beendet, wenn der Blockierarm 9" gegen die Wandung der Blockierausnehmung 12 stößt.If, in the operating position shown in FIG. 5, a locking peg is inserted into the keyway 8 instead of a suitable key, the end of the locking peg, which can be angled in an L-shaped manner, can enter the coupling slot. The shaft of the lockpick could indeed be rotated within the key channel. Since the entry of the end of the locking peg into the coupling slot 7 but inevitably has a pivoting of the blocking element 9 result, the blocking arm of the two-armed blocking element has entered the blocking recess 12. Now, if the lockpick is rotated, a relative rotation of the coupling piece 4 relative to the cylinder core 2 takes place. However, this relative rotation is terminated when the blocking arm 9 "abuts against the wall of the blocking recess 12.
Die in den Zeichnungen rechts dargestellte Zylinderhälfte des Doppelschließzylinders ist im Wesentlichen mit der in den Zeichnungen links dargestellten Zy- linderhälfte identisch. Während auf der linken Seite die Blockierausnehmung 12 von einem Diametralschlitz ausgebildet wird, wird sie auf der rechten Seite von einer Bohrung ausgebildet. Es handelt sich hierbei um eine Bohrung 12 in der Mantelwandung 2' der stirnseitigen Höhlung des Zylinderkernes 2.The cylinder half of the double-locking cylinder shown on the right in the drawings is substantially identical to the cylinder half shown on the left in the drawings. While on the left side of the blocking recess 12 is formed by a diametrical slit, it is formed on the right side of a bore. This is a bore 12 in the jacket wall 2 'of the frontal cavity of the cylinder core. 2
Alle offenbarten Merkmale sind (für sich) erfindungswesentlich. In die Offenbarung der Anmeldung wird hiermit auch der Offenbarungsinhalt der zugehörigen/beigefügten Prioritätsunterlagen (Abschrift der Voranmeldung) vollinhaltlich mit einbezogen, auch zu dem Zweck, Merkmale dieser Unterlagen in Ansprüche vorliegender Anmeldung mit aufzunehmen. All disclosed features are essential to the invention. The disclosure of the associated / attached priority documents (copy of the prior application) is hereby also incorporated in full in the disclosure of the application, also for the purpose of including features of these documents in claims of the present application.

Claims

ANSPRÜCHE
1. Schließzylinder mit einem Zylindergehäuse (1), einem darin gelagerten Zylinderkern (2), einem Schließglied (3) und einem zum Schließglied (3) drehfesten und zum Zylinderkern (2) drehbaren Kupplungsstück (4) mit einem Kupplungsschlitz (7) zum Einstecken der Spitze (6) eines in einen Schlüsselkanal (8) des Zylinderkerns (2) eingesteckten Schlüssels, gekennzeichnet durch ein von der Schlüsselspitze (6) beim Eintritt in den Kupplungsschlitz (7) in eine Formschlussverbindung zum Zylinderkern (2) bringbares Blockierelement (9).1. Lock cylinder with a cylinder housing (1), a cylinder core (2) mounted therein, a closing member (3) and a closing member (3) rotatably and the cylinder core (2) rotatable coupling piece (4) with a coupling slot (7) for insertion the tip (6) of a key inserted in a key channel (8) of the cylinder core (2), characterized by a blocking element (9) which can be brought from the key tip (6) into a positive connection to the cylinder core (2) when entering the coupling slot (7) ,
2. Schließzylinder nach Anspruch 1 oder insbesondere danach, dadurch gekennzeichnet, dass das Blockierelement (9) ein Schwenkelement ist, welches in einer von der Schlüsselspitze (6) unbetätigten Stellung mit einem Betätigungsabschnitt (9') den Kupplungsschlitz (7) verschließt und mit einem Blockierabschnitt (9") außerhalb einer Blockierausnehmung (12) des Zylinderkernes (2) liegt und in einer von der Schlüsselspitze (6) betätigten Stellung mit dem Betätigungsabschnitt (9') im Kupplungsschlitz (7) liegt und mit dem Blockierabschnitt (9") innerhalb der Blockierausnehmung (12) des Zylinderkernes (2) liegt.2. Lock cylinder according to claim 1 or in particular according thereto, characterized in that the blocking element (9) is a pivoting element which in one of the key tip (6) unactuated position with an actuating portion (9 ') closes the coupling slot (7) and with a Blocking portion (9 ") outside a blocking recess (12) of the cylinder core (2) and in one of the key tip (6) actuated position with the actuating portion (9 ') in the coupling slot (7) and with the blocking portion (9") within the blocking recess (12) of the cylinder core (2) is located.
3. Schließzylinder nach einem oder mehreren der vorhergehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, dass das Blockierelement (9) von einem zweiarmigen Hebel gebildet wird, wobei die im Wesentlichen rechtwinklig aufeinander stehenden Hebelarme (9',3. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the blocking element (9) is formed by a two-armed lever, wherein the essentially mutually perpendicular lever arms (9 ',
9") den Betätigungsabschnitt bzw. den Blockierabschnitt ausbilden.9 ") form the operating portion or the blocking portion.
4. Schließzylinder nach einem oder mehreren der vorhergehenden Ansprüche oder insbesondere danach, dadurch gekennzeichnet, dass das Blockierelement (9) mittelst einer Feder (11) in einer den Kupplungs schlitz (7) blockierenden Stellung gehalten ist.4. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the Blocking element (9) by means of a spring (11) in a slot the clutch (7) blocking position is held.
5. Schließzylinder nach einem oder mehreren der vorhergehenden Ansprü- che oder insbesondere danach, dadurch gekennzeichnet, dass das Kupplungsstück (4) von der Spitze (6) des Schlüssels (5) in Achsrichtung geringfügig insbesondere gegen die Rückstellkraft einer Feder verlagerbar ist.5. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the coupling piece (4) of the tip (6) of the key (5) in the axial direction is slightly displaced, in particular against the restoring force of a spring.
6. Schließzylinder nach einem oder mehreren der vorhergehenden Ansprü- che oder insbesondere danach, dadurch gekennzeichnet, dass die6. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the
Blockierausnehmung eine Öffnung oder ein Schlitz in der Wandung (2') des Zylinderkernes (2) ist.Blocking recess is an opening or a slot in the wall (2 ') of the cylinder core (2).
7. Schließzylinder nach einem oder mehreren der vorhergehenden An- sprüche oder insbesondere danach, dadurch gekennzeichnet, dass der das7. Lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the
Blockierelement (9) ausbildende Abschnitt des Kupplungsstückes (4) in einer Axialhöhlung des Zylinderkernes (2) liegt.Blocking element (9) forming portion of the coupling piece (4) in an axial cavity of the cylinder core (2).
8. Schließzylinder nach einem oder mehreren der vorhergehenden Ansprü- che oder insbesondere danach, dadurch gekennzeichnet, dass der Schließzylinder ein Doppelschließzylinder ist mit zwei gegeneinander abgefederten Kupplungsstücken (4) welche jeweils ein Blockierelement (9) aufweisen. 8. lock cylinder according to one or more of the preceding claims or in particular according thereto, characterized in that the lock cylinder is a double lock cylinder with two mutually sprung coupling pieces (4) each having a blocking element (9).
EP07712516A 2006-03-14 2007-03-13 Free-running locking cylinder Not-in-force EP1994242B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006011612A DE102006011612A1 (en) 2006-03-14 2006-03-14 Freewheel lock cylinder
PCT/EP2007/052348 WO2007104759A1 (en) 2006-03-14 2007-03-13 Free-running locking cylinder

Publications (2)

Publication Number Publication Date
EP1994242A1 true EP1994242A1 (en) 2008-11-26
EP1994242B1 EP1994242B1 (en) 2009-10-07

Family

ID=38197715

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07712516A Not-in-force EP1994242B1 (en) 2006-03-14 2007-03-13 Free-running locking cylinder

Country Status (6)

Country Link
EP (1) EP1994242B1 (en)
AT (1) ATE445061T1 (en)
DE (2) DE102006011612A1 (en)
ES (1) ES2331816T3 (en)
PT (1) PT1994242E (en)
WO (1) WO2007104759A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012103925A1 (en) 2012-05-04 2013-11-07 Witte Automotive Gmbh Lock cylinder e.g. steering wheel lock cylinder for motor car, has locking projection that is held before the locking unit, if key is not inserted into key channel so that cylinder core is not rotated
DE102013013786B4 (en) * 2013-08-09 2016-03-10 Assa Abloy Sicherheitstechnik Gmbh lock cylinder
DE102015100469A1 (en) 2015-01-14 2016-07-14 C.Ed. Schulte Gesellschaft mit beschränkter Haftung Zylinderschlossfabrik lock cylinder

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3026480C2 (en) * 1980-07-12 1986-03-27 Zeiss Ikon Ag, 7000 Stuttgart Double lock cylinder
DE3424603A1 (en) * 1984-06-18 1984-12-06 Sigismund 6700 Ludwigshafen Laskowski Locking bit with additional stop for a cylinder lock
DE8705041U1 (en) * 1987-04-04 1987-05-27 Zeiss Ikon Ag, 7000 Stuttgart Double cylinder lock
DE4242522C2 (en) * 1992-12-16 1996-05-02 Wilka Schliestechnik Gmbh Coupling device in double locking cylinders
DE19635010A1 (en) * 1996-08-29 1998-03-05 Winkhaus Fa August Coupling device for a cylinder lock

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007104759A1 *

Also Published As

Publication number Publication date
DE102006011612A1 (en) 2007-09-27
ATE445061T1 (en) 2009-10-15
DE502007001683D1 (en) 2009-11-19
EP1994242B1 (en) 2009-10-07
WO2007104759A1 (en) 2007-09-20
WO2007104759B1 (en) 2007-11-08
PT1994242E (en) 2009-10-28
ES2331816T3 (en) 2010-01-15

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