EP2960405B1 - Cylindre de fermeture - Google Patents

Cylindre de fermeture Download PDF

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Publication number
EP2960405B1
EP2960405B1 EP15167114.6A EP15167114A EP2960405B1 EP 2960405 B1 EP2960405 B1 EP 2960405B1 EP 15167114 A EP15167114 A EP 15167114A EP 2960405 B1 EP2960405 B1 EP 2960405B1
Authority
EP
European Patent Office
Prior art keywords
core
pin
guide
core pin
guide collar
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.)
Active
Application number
EP15167114.6A
Other languages
German (de)
English (en)
Other versions
EP2960405A1 (fr
Inventor
Karl-Heinz Spahn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus GmbH and Co KG
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Filing date
Publication date
Application filed by Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP2960405A1 publication Critical patent/EP2960405A1/fr
Application granted granted Critical
Publication of EP2960405B1 publication Critical patent/EP2960405B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0003—Details
    • E05B27/0017—Tumblers or pins
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B27/00—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in
    • E05B27/0057—Cylinder locks or other locks with tumbler pins or balls that are set by pushing the key in with increased picking resistance

Definitions

  • the invention relates to a lock cylinder with a movable relative to a housing core, with at least one projecting into a closing channel of the core Stiftzuiens for scanning of Sch.aus strictly adoptedungen a key inserted into the lock channel, with a guided in the housing housing pin and a guided core core pin and a spring element for biasing the housing pin against the core pin, with a first narrow diameter guide portion of the core as viewed from the lock channel for guiding a correspondingly shaped first guide collar of the core pin and a second large diameter guide portion of the core for guiding a correspondingly shaped second guide collar of the core pin, and with a tapered, extending from the first guide collar into the closing channel end of the core pin extending tip end.
  • the FR 2 802 234 A1 and the FR 2 802 233 A1 each discloses a lock cylinder in which the core pin has a small diameter portion near the lock channel and a large diameter edge remote from the lock channel. The core pin is reliably guided even if it is completely pushed out of the closing channel.
  • Such a lock cylinder is for example from the EP 0 937 843 B1 known.
  • the first guide collar of the first guide portion and the second guide collar of the second guide portion guided.
  • the guides of the guide collars are made by immersed in the closing channel state of the core pin until the spring element is compressed to block.
  • the core pin is reliably guided over its entire range of motion of the first two leadership bonds.
  • the core pin thus has a very high resistance to tipping.
  • a lock cylinder has become known in which the second guide collar is arranged on the housing pin facing the end of the core pin.
  • the second guide collar can thus penetrate into the housing even with a very small axial displacement of the core pin.
  • Such an axial displacement already arises upon insertion of a key authorized to close into the closing channel.
  • Even a slight rotation or preload of the core then causes the core pin tilts and hooked between the core and the housing.
  • the justified closing is made difficult by the strong tilting tendency and the hooking of the core pin.
  • the invention is based on the problem to design a lock cylinder of the type mentioned so that it provides a high level of protection against unauthorized unlocking by the picking method and yet can be conveniently closed by means of the authorized key.
  • the first guide collar is separated from the first guide portion when the core pin is pushed deeper into the housing than by the key with the closing recess provided for closing.
  • a deep immersion of the core pin is usually done when unauthorized closing the lock cylinder according to the picking method.
  • a smooth tilting of the core pin and thus a blockade of Sch Strukturzlinders when using the picking method is possible.
  • the first guide collar is reliably guided by the first guide section when the lock cylinder is closed with the key authorized to close.
  • the core pin can not tilt when using the authorized to close the key.
  • the lock cylinder can therefore be closed particularly comfortably with the key authorized to close.
  • the core pin allows according to another advantageous embodiment of the invention, the scanning of very deep locking recesses of the key, when the length of the tip end of the core pin is longer than the length of the closing channel next guide portion.
  • a sufficient distance of the circumference of the tip end to the first guide portion can be easily ensured according to another advantageous embodiment of the invention, when the tip end adjacent to the first guide collar taper, adjoining the taper pin and adjoining the pin itself has tapered Kernrochepitze for sensing the locking recess of the key.
  • This design allows a free tilting of the core pin when the core pin is pushed deeper into the housing than is possible by the closing recess provided for closing.
  • the continuous taper is preferably formed as a chamfer.
  • the core pin is supported in the one end position according to another advantageous embodiment of the invention of all guide collars when a core hole is formed with the two guide portions as a stepped bore and if a paragraph between the guide portions as a stop for supporting the second guide collar in remote from the lock channel key is trained.
  • This design prevents accidental entanglement of the core pin when inserting the authorized key in the lock channel.
  • a blocking of the lock cylinder upon depression of the core pin out of the closing channel can be easily achieved according to another advantageous embodiment of the invention, when the core pin has a third guide collar at its end facing the housing pin, if the third guide collar has the same diameter as the second Guide collar and when the core pin between the second guide collar and the third guide collar has a constriction.
  • the core pin entangles with an initial rotation of the core with the constriction in the parting plane between the housing and core. This blocks the further movement of the core and the movement of the core pin.
  • FIG. 1 shows a longitudinal section through a portion of a lock cylinder 1 with a housing 2 and a rotatably disposed therein core 3. Furthermore, the lock cylinder 1 has a non-rotatably connectable to the core 3 lock bit 4. A clutch, not shown, allows the optional generation or solution of a positive connection of the core 3 with the lock bit 4. In a closing channel 5 of the core 3, a key 6 for closing the lock cylinder 1 is inserted.
  • the lock cylinder 1 has pin tumblers 7 for selectively blocking or releasing the movement of the core 3.
  • the pin tumblers 7 scan in a shaft 8 of the key 6 arranged locking recesses 9 from.
  • the pin tumblers 7 have a core pin 10 guided in the core 3 and a housing pin 11 guided in the housing 2 and a spring element 12 for biasing the housing pin 11 against the core pin 10.
  • the parting planes of the housing pins 11 and the core pins 10 of all pin tumblers 7 lie in the Parting plane between the housing 2 and core 3, so that the core 3 can be rotated together with the cam 4 relative to the housing 2.
  • FIG. 2 shows for clarity a sectional view through the lock cylinder 1 with the key 6 from FIG. 1 along the line II - II through one of the pin tumblers 7. All of the in the lock cylinder 1 off FIG. 1 shown pin tumblers 7 may be constructed as in FIG. 2 illustrated pin tumbler 7.
  • the key 6 is formed as a so-called reversible key, so that it can be rotated with the shaft 8 by 180 ° in the lock cylinder 1 can be introduced.
  • FIG. 3 shows greatly enlarged the core pin 10 of the pin tumbler 7 FIG. 2 with adjacent portions of the core 3 and the key 6.
  • the core pin 10 has a first small diameter guide collar 13, a second large diameter guide collar 14, and a third guide collar 15. Between the second guide collar 14 and the third guide collar 15 a constriction 16 is disposed.
  • the core pin 10 has a tip end 17 with a provided for scanning the locking recess 9 of the key 6 Kernxenpitze 18.
  • the tip end 17 has a first guide collar 13 adjacent taper 19, to which a pin 20 connects, which has a smaller diameter than the first guide collar 13.
  • the pin 20 has a tuned to the depth of the locking recess 9 length.
  • the core pin tip 18 connects.
  • the core pin tip 18 tapers like the locking recesses 9 of the key 6.
  • the core 3 has a stepped bore 21 with a first small diameter guide portion 22 and a second, large diameter guide portion 23 for guiding the core pin 10.
  • the first guide portion 22 guides the first guide collar 13 of the core pin 10, while the second guide portion 23 the second and third Guide collar 14, 15 of the core pin 10 leads.
  • a transition of the guide sections 22, 23 is formed as a shoulder and forms a stop 24 for limiting the movement of the second guide collar 14 of the core pin 10 in the direction of the closing channel. 5
  • FIG. 3 shows that the length a of the tip end 17 is greater than the length b of the first guide section 22.
  • FIG. 5 shows for clarity the lock cylinder 1 in a basic position in which the core pin 10 completely penetrates into the core 3 and is held by the stop 24 between the guide portions 22, 23.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (6)

  1. Cylindre de fermeture (1) avec un noyau (3) mobile par rapport à un boîtier (2), avec au moins une gâchette à broches (7) dépassant dans un canal de fermeture (5) du noyau (3), pour le balayage d'évidements de fermeture (9) d'une clé (6) introduite dans le canal de fermeture (5), avec une broche de boîtier (11) guidée dans le boîtier (2) et une broche de noyau (10) guidée dans le noyau (3) et avec un élément à ressort (12) pour la précontrainte de la broche de boîtier (11) contre la broche de noyau (10), avec une première portion de guidage (22) de petit diamètre du noyau (3), vue du canal de fermeture (5), pour le guidage d'une première collerette de guidage (13) correspondante de la broche de noyau (10) et une deuxième portion de guidage (23), de grand diamètre, du noyau (3) pour le guidage d'une deuxième collerette de guidage (14) correspondante de la broche de noyau (10) et avec une extrémité de pointe (17) se rétrécissant et s'étendant de la première collerette de guidage (13) jusqu'à l'extrémité de la broche de noyau dépassant dans le canal de fermeture (5), caractérisé en ce que la première collerette de guidage (13) est séparée, dans la position, entièrement expulsée hors du canal de fermeture (5), de la broche de noyau (10), de la première portion de guidage (22).
  2. Cylindre de fermeture selon la revendication 1, caractérisé en ce que la longueur a de l'extrémité de pointe (17) de la broche de noyau (10) est supérieure à la longueur b de la portion de guidage (22) la plus proche du canal de fermeture (5).
  3. Cylindre de fermeture selon la revendication 1 ou 2, caractérisé en ce que l'extrémité de pointe (17) comprend un rétrécissement (19) adjacent à la première collerette de guidage (13), un pivot (20) se raccordant au rétrécissement (19) et une pointe de broche de noyau (18) se raccordant au pivot (20) et se rétrécissant, pour le balayage de l'évidement de fermeture (9) de la clé (6).
  4. Cylindre de fermeture selon la revendication 3, caractérisé en ce que le rétrécissement (19) est conçu de manière continue.
  5. Cylindre de fermeture selon l'une des revendications 1 à 4, caractérisé en ce qu'un alésage de noyau est conçu avec les deux portions de guidage (22, 23) sous la forme d'un alésage à gradins (21) et en ce qu'un épaulement est réalisé entre les portions de guidage (22, 23) en tant que butée (24) pour l'appui de la deuxième collerette de guidage (14) lorsque la clé (6) est retirée du canal de fermeture (5).
  6. Cylindre de fermeture selon l'une des revendications 1 à 4, caractérisé en ce que la broche de noyau (10) comprend, au niveau de son extrémité orientée vers la broche de boîtier (11), une troisième collerette de guidage (15), en ce que la troisième collerette de guidage (15) présente le même diamètre que la deuxième collerette de guidage (14) et en ce que la broche de noyau (10) comprend, entre la deuxième collerette de guidage (14) et la troisième collerette de guidage (15), un rétrécissement (16).
EP15167114.6A 2014-06-03 2015-05-11 Cylindre de fermeture Active EP2960405B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014210393.2A DE102014210393A1 (de) 2014-06-03 2014-06-03 Schließzylinder

Publications (2)

Publication Number Publication Date
EP2960405A1 EP2960405A1 (fr) 2015-12-30
EP2960405B1 true EP2960405B1 (fr) 2018-11-28

Family

ID=53054984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15167114.6A Active EP2960405B1 (fr) 2014-06-03 2015-05-11 Cylindre de fermeture

Country Status (3)

Country Link
EP (1) EP2960405B1 (fr)
DE (1) DE102014210393A1 (fr)
ES (1) ES2706509T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106121372B (zh) * 2016-08-25 2018-08-21 中山市天卓五金科技有限公司 一种锁芯及钥匙

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0937843B1 (fr) 1998-02-23 2003-07-09 Ernst Keller Barillet rotatif pour serrure de sécurité
FR2802233B1 (fr) * 1999-12-09 2002-10-11 Vachette Sa Barillet de surete muni d'un moyen anti-vibreur
FR2802234B1 (fr) * 1999-12-09 2002-07-26 Vachette Sa Barillet de surete muni d'un moyen anti-crochetage
DE102004011637B4 (de) 2004-03-10 2006-08-03 Dom Sicherheitstechnik Gmbh & Co Kg Schließzylinder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2706509T3 (es) 2019-03-29
DE102014210393A1 (de) 2015-12-03
EP2960405A1 (fr) 2015-12-30

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