EP3550097B1 - Dispositif de fermeture - Google Patents

Dispositif de fermeture Download PDF

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Publication number
EP3550097B1
EP3550097B1 EP19158945.6A EP19158945A EP3550097B1 EP 3550097 B1 EP3550097 B1 EP 3550097B1 EP 19158945 A EP19158945 A EP 19158945A EP 3550097 B1 EP3550097 B1 EP 3550097B1
Authority
EP
European Patent Office
Prior art keywords
locking
cylinder
lock
core
pressure pin
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
EP19158945.6A
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German (de)
English (en)
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EP3550097A1 (fr
Inventor
Stephan Schneider
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
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Publication of EP3550097A1 publication Critical patent/EP3550097A1/fr
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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
    • E05B9/04—Casings of cylinder locks
    • E05B9/041—Double cylinder locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0062—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with destructive disengagement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
    • E05B17/2084—Means to prevent forced opening by attack, tampering or jimmying
    • E05B17/2092—Means responsive to tampering or attack providing additional locking
    • 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
    • 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
    • E05B9/04—Casings of cylinder locks
    • E05B9/045—Modular casings for adjusting the length of cylinder locks

Definitions

  • the invention relates to a core extension, in particular a core extension for a lock core of a lock cylinder, which essentially extends in an axial direction in order to axially lengthen a lock core, according to the preamble of claim 1.
  • an extended lock core in particular an extended lock core for a lock cylinder of a cylinder lock, comprising at least one lock core unit and at least one core extension, according to FIG
  • the preamble of claim 4 also relates to a locking mechanism for an anti-snap lock cylinder according to the preamble of claim 5.
  • the invention further relates to an anti-snap lock cylinder, in particular an anti-snap lock cylinder for a cylinder lock, with at least one lock core and a cylinder housing, in which the at least one lock core is accommodated, with the cylinder housing having at least one predetermined breaking point displaced forward, according to the preamble of claim 7.
  • the invention relates to a locking device, comprising at least one key and at least one corresponding locking core and/or a corresponding locking cylinder according to the preamble of claim 13.
  • the invention also relates to a method for anti-snap protection of a lock cylinder according to the preamble of claim 14.
  • the invention relates to a method for producing an anti-snap lock cylinder according to the preamble of claim 16.
  • Lock cores, lock core extensions, lock cylinders, cylinder locks, keys or the like and methods for their production are generally known from the prior art. Such components are also known in the field of anti-snap.
  • Known anti-snap locking cylinders provide for material reinforcement or for the predetermined breaking point to be positioned in front of the forend screw hole.
  • EP 2 730 727 A2 discloses a lock cylinder with a cylinder core that can be rotated in a lock cylinder module and a safety tumbler for blocking when the lock cylinder module is opened or broken off, the safety tumbler being arranged in a scanning unit adjacent to the lock cylinder module and a scanning pin for scanning the position of the lock cylinder module and a locking bolt for blocking includes.
  • the prior art lock cylinder has a core extension. The core extension is designed to couple two cylinder cores.
  • anti-snap locks are for example from the DE 200 21 352 U1 , WO 2014 176 647 A1 , WO 2011 051 703 A2 famous.
  • EP 2 963 209 A1 discloses a key cylinder latch including: a first cylinder housing and a second cylinder housing connected by a connecting member, the first cylinder housing including a first cylinder barrel and the second cylinder housing including a second cylinder barrel; an unlocking cam placed between the first cylinder housing and the second cylinder housing; the connector has a solid block extending from the side; the fixed block is mounted between the first barrel of the lock cylinder and the unlocking cam; the key cylinder additionally includes: a first drive shaft extending through a bore in the fixed block and torsionally flexibly connecting the first cylinder barrel to the unlocking cam such that the first cylinder barrel can drive the unlocking cam between a locked and an unlocked position; a second drive shaft torsionally flexibly connecting the second cylinder barrel to the unlocking cam such that the first cylinder barrel can drive the unlocking cam between a locked and an unlocked position; and a slide stop pin, the slide stop pin being housed in the unlocking cam initially in a first position
  • U.S.A. 4,961,328 discloses a cylinder lock with a cylinder housing and a cylinder core rotatably mounted therein, which includes a key channel running in its axial direction, wherein a lock bit is coupled to the cylinder core and rotatably mounted in the cylinder housing, which is provided there in the cylinder housing and in the cylinder core a plurality of mutually aligned bores which extend perpendicularly to the cylinder core axis and into the locking channel and in which housing pins, which are preferably of equal length, and core pins, which are of different lengths, are spring-loaded in the direction of the locking channel, between the cylinder housing and the cylinder core a first separation link is formed, which is traversed by the driver pins when the key is not inserted in the lock, the ends of the core pins cooperating with the locking notches of the key so that when the key is inserted the pins in their axi alen direction to a position where the bearing ends of all the core and body pins are in
  • a door lock mechanism comprising: a left lock body and a right lock body, the left lock body being connected to the right lock body; a left lock mandrel and a right lock mandrel opposed to each other are inserted into the left lock body and the right lock body, respectively; an unlocking hand wheel is arranged between the left lock body and the right lock body; the unlocking hand wheel and the left lock mandrel are connected and driven by a left drive block; the unlocking handle and the right locking mandrel are connected and driven by a right drive block; Balance springs are located between the left locking mandrel and the left drive block and between the right locking mandrel and the right drive block, respectively; Pin holes are located in the left drive block and the right drive block, respectively; upper springs and locking pins are mounted in the pin holes; and a locking hole mating with the locking pins is located in the unlocking handwheel.
  • the door lock mechanism By using the door lock mechanism, when the lock body and lock mandrel are violently damaged on one side, the lock mandrel in the drive block on the other side can be suppressed to enter the lock hole in the unlocking handle, so that the unlocking handle cannot be rotated.
  • a core extension in particular a core extension for a lock core of a lock cylinder, is known, which essentially extends in an axial direction in order to extend a lock core axially, the core extension being designed in multiple parts and having at least one extension part and at least one pressure piece adjoining it in the axial direction includes.
  • a core extension according to claim 1 an extended lock core according to claim 4, a locking mechanism according to claim 5, an anti-snap lock cylinder according to claim 7, a locking device according to claim 13 and methods according to claims 14 and 16.
  • the invention includes the technical teaching that in the case of a core extension, in particular a core extension for a lock core of a lock cylinder, which essentially extends in an axial direction in order to axially extend a lock core, it is provided that the core extension has a multi-part design and at least an extension part and at least one pressure piece lying thereon in the axial direction.
  • the core extension is preferably multi-part, in particular executed in two parts.
  • the core extension is designed in several parts, in particular four parts, six parts or with several parts.
  • the core extension is preferably made in seven parts.
  • the core extension consists of the extension part and the pressure piece, with the pressure piece consisting of the pressure pin holder, the pressure pin, the pressure pin holder and the spring-loaded unit that preloads the pressure pin, the two locking bolts and the spring-loaded unit that preloads the locking bolts against each other.
  • the pressure piece connects to the extension part in the axial direction.
  • the pressure piece preferably lies at least partially in a pressure piece receptacle in the extension part.
  • a bore or recess is provided in the extension part in the axial direction of the lock cylinder, which acts as a pressure piece receptacle.
  • the pressure piece lies in the pressure piece holder.
  • the pressure piece receptacle is preferably provided eccentrically in the extension part. Both the pressure piece receptacle and the pressure piece are therefore preferably arranged essentially axially. The pressure piece thus adjoins at least one end face of the extension part in the axial direction.
  • the pressure piece for a core extension in particular for a core extension for a lock core of a lock cylinder, which essentially extends in an axial direction, it is provided that the pressure piece is designed in several parts and comprises at least one pressure pin and a pressure pin holder.
  • the pressure pin holder has a pressure pin receptacle for at least partially receiving and/or guiding the pressure pin.
  • the pressure pin holder has a locking bolt receptacle in order to hold at least two locking bolts.
  • the pressure pin accommodated in the pressure pin holder is spring-loaded in the pressure piece by a spring-loaded unit, so that the pressure pin is moved relative to the pressure pin holder when the spring-loaded unit is relaxed.
  • the print pin holder is moved away from the print pin, with the print pin substantially maintaining its position.
  • the pressure piece comprises at least the pressure pin and the pressure pin holder.
  • the push pin holder has a push pin receptacle. The pressure pin is held with the pressure pin holder via the pressure pin receptacle.
  • the pressure pin receptacle is preferably designed as a recess, opening and/or bore.
  • the pressure pin receptacle is designed to correspond to and/or complement the pressure pin, at least to the part of the pressure pin to be accommodated.
  • the pressure pin is preferably designed as a rotationally symmetrical pressure pin.
  • the push pin has a cylindrical shank or shank portion and a push pin head.
  • the pressure pin head differs from the shank section at least with regard to its outer diameter.
  • the shank section is intended to be received in the pressure pin receptacle.
  • the pressure pin receptacle is therefore preferred as a blind hole, in particular designed as a cylindrical blind hole.
  • the head portion preferably acts as a stop.
  • the pressure pin is arranged in a prestressed manner in the pressure pin receptacle.
  • a spring storage unit is provided for this purpose.
  • the spring storage unit preferably a compression spring, is arranged between the pressure pin and the pressure pin receptacle.
  • the pressure pin holder has at least one locking pin receptacle.
  • the locking pin receptacle is preferably formed by means of a groove. Parts of the locking bolts are provided in the groove.
  • the locking bolts are also preloaded against each other by means of a spring-loaded unit. In the non-locking, operational state, the locking pins are held pretensioned by the locking pin mount.
  • the spring storage unit is arranged between the locking bolts.
  • the pressure pin holder which also acts as a locking pin holder, moves, it releases the preloaded locking pins.
  • the released locking bolts are pushed outwards by the preloaded spring storage unit, preferably a compression spring, and engage in corresponding locking bolt receptacles in the cylinder housing and/or in the core extension. In this way, a locking state is effected in which the locking pins are released.
  • the pressure piece can at least partially protrude axially beyond the extension part or can be arranged entirely in the pressure piece receptacle, ie it can be countersunk.
  • the pressure piece preferably protrudes in the axial direction over the extension part, in particular in the direction of the outside, in other embodiments in the direction of the inside.
  • the pressure piece and in particular the pressure pin have corresponding paragraphs which also act as a stop.
  • the core extension has the extension part and the pressure piece which is axially connected thereto and/or accommodated—at least partially—in the extension part.
  • Axially connecting is thus understood to mean any arrangement including lying in, in which the pressure piece is in contact with the extension part and a rear end of the pressure piece is arranged at a distance from a front end of the extension part in the axial direction.
  • the pressure piece is preferably located in the extension part and is therefore preferably at least partially accommodated in the extension part.
  • the extension part is designed to be connected to or to interact with the lock core.
  • the pressure piece is designed to interact with a coupling mechanism that is axially connected thereto.
  • the arrangement of the components in the axial direction from the outside in is as follows: key - locking core (outside) - pressure piece - clutch or clutch mechanism. Both the interaction with the lock core and the interaction with the clutch or coupling mechanism preferably take place in a non-rotatable manner, so that a torque can be transmitted.
  • the extension part is preferably designed to extend flush on the outside with the lock core.
  • the extension part and the locking core are arranged approximately (con-)centrically, i.e. with a coincident axis, which means that when the extension part and the locking core are designed as rotary parts, they are arranged one behind the other on a common axis, the respective axis of the corresponding part thus arranged (con-)centrically and/or in alignment with one another are.
  • the extension part has an engagement section that interacts with a corresponding receiving section of the lock core.
  • the lock core may have an engaging portion and the extension portion may have a receiving portion.
  • the engagement section and receiving section are designed to interact, in particular to transmit a torque, and are also referred to as engagement means due to the engagement with one another.
  • the engagement section and the receiving section are preferably designed to be complementary.
  • the cylinder core or locking core and extension part are dimensioned approximately the same radially, so that a flush transition is ensured.
  • the core extension has a pressure piece, which in turn comprises the pressure pin and the pressure pin holder as well as the spring storage unit.
  • the pressure piece is designed to interact with the extension part.
  • the extension part has a corresponding pressure piece receptacle.
  • the pressure piece receptacle is preferably designed as a slotted bore.
  • the pressure piece is held in the pressure piece mount in a rotationally fixed manner.
  • the pressure piece is designed to be complementary to the bore, at least in sections.
  • a stop is provided so that the pressure piece is limited in the axial direction relative to the extension part.
  • the stop for the pressure piece, in particular for the pressure pin, is realized by the adjacent coupling mechanism.
  • the pressure pin preferably has a shoulder that acts as a stop limiter.
  • the extension part has a pressure piece receptacle for receiving the pressure piece, in which the pressure piece is at least partially accommodated in order to realize an interaction of pressure piece and extension part.
  • the pressure piece receptacle is designed to be essentially complementary to the pressure pin holder.
  • the pressure pin holder is arranged in the pressure piece receptacle, in particular arranged in a rotationally fixed manner.
  • the push pin is accommodated in the push pin holder.
  • a further embodiment provides that the pressure pin has at least one cross-sectional change in the axial direction, which causes, among other things, a limit stop of the pressure pin.
  • a radial change in cross section is provided as seen in the axial direction.
  • the cross-sectional change can be continuous or abrupt.
  • At least one paragraph, preferably exactly one paragraph, is preferably provided.
  • the respective paragraph is preferably designed as a peripheral paragraph.
  • an embodiment also provides that the extension part has at least one locking receptacle (or also locking recess) extending transversely to the axial direction for interacting with a locking mechanism.
  • a locking mechanism is provided so that the extension part cannot simply be pulled out in the axial direction in the event of a snapping attempt.
  • the extension part has at least one corresponding locking mechanism receptacle or, in short, locking receptacle or locking recess.
  • the locking mechanism receptacle is designed as a recess, in particular as a through opening.
  • the locking receptacle preferably extends in the radial direction. At least two locking receptacles are preferably provided.
  • At least two of the locking receptacles are axially equidistant from one end of the extension portion but radially offset.
  • adjacent locking receptacles are offset by about 180 °, ie designed as a through hole in terms of production technology. Only two locking receptacles, which result from a through hole, are preferably provided.
  • the through-holes are thus arranged in alignment or (con-)centrically with one another. In this way, the core extension can be used for conventional key-lock combinations and for reversible key-lock combinations.
  • the respective locking receptacles are preferably aligned radially.
  • the invention also includes the technical teaching that in the case of an extended lock core, in particular an extended lock core for a lock cylinder of a cylinder lock, comprising at least one lock core unit and at least one core extension, it is provided that the lock core unit is loosely connected to the core extension, in particular in the axial direction loosely connected, in particular wherein the core extension is designed as a core extension described here.
  • the lock core unit is loosely connected to the core extension, i.e. detachable without additional axial securing.
  • the locking core unit makes contact with the core extension.
  • the lock core unit corresponds to a non-extended lock core, ie a lock core without a core extension.
  • the core extension can be made in one piece or in several pieces.
  • two or more core extensions can be provided.
  • at least two core extensions can be designed differently.
  • a core extension can be designed with an anti-snap function, while at least one other core extension can be designed without an anti-snap function or with a different or restricted anti-snap function.
  • a lock core can be extended with a conventional core extension, which is then followed by the core extension with the extension part and the pressure piece or pressure pin described here.
  • the invention also includes the technical teaching that in a locking mechanism for an anti-snap lock cylinder, which locks the core extension in a cylinder housing when a lock core is moved axially, in particular when a lock core is attempted to be pulled out, the locking mechanism being designed as a two-stage locking mechanism is provided with a pressure piece as described here as the first stage and with at least two locking bolts that can be moved apart from one another as the second stage, with the pressure piece blocking or enabling the locking bolts to move apart and comprises at least one push pin and a push pin holder.
  • the pressure piece comprises the pressure pin, the pressure pin holder and the spring-loaded unit that pretensions the pressure pin against the pressure pin holder.
  • the pressure pin In the operational, non-locking state, the pressure pin is accommodated in the pressure pin holder in a prestressed manner.
  • two locking pins are provided which are prestressed against one another in the operational, non-locking state.
  • the locking bolts are also preloaded by means of a spring storage unit.
  • the two locking pins In the ready-to-operate, non-locking state, the two locking pins, which are pretensioned against each other, are held by the pressure pin holder, more precisely by its locking pin receptacle.
  • the component adjacent to the pressure piece which ensures the preload of the pressure pin and pressure pin holder, is broken off or removed.
  • the locking bolts are preloaded against one another by a spring-loaded unit and are held together in the non-locking operating mode via the locking bolt receptacle of the pressure piece, more precisely the pressure pin holder.
  • the locking bolts have a spring storage unit receptacle, for example in the form of a recess or bore.
  • the locking mechanism has a locking pin or locking bolt receptacle for each locking bolt. This is preferably formed in a cylinder housing, for example as a through hole.
  • the locking pin receptacle is designed for the locking bolts to engage or protrude.
  • the invention also includes the technical teaching that in an anti-snap lock cylinder, in particular an anti-snap lock cylinder for a cylinder lock, with at least one lock core and a cylinder housing in which the lock core is accommodated, the cylinder housing having at least one predetermined breaking point moved forward has, it is provided that a locking mechanism, in particular a locking mechanism described here, is provided, in particular which blocks the core extension against axial movement out in the cylinder housing when the locking core is moved axially, in particular when a locking core is attempted to be pulled out or a cylinder is broken off.
  • shifted forward is understood to mean a position between an outer side and a forend screw bore.
  • the predetermined breaking point is thus the forend screw hole, ie the otherwise weakest cross-section -- in front of the predetermined breaking point -- in the outside direction. In the event of a snapping attempt, the pre-displaced predetermined breaking point would break in front of the cross-section in the area of the forend screw hole.
  • the cylinder housing has a predetermined breaking point.
  • the lock core is designed as an extended lock core as described here.
  • the core extension is designed as a core extension described here and/or the pressure piece is designed as a pressure piece as described here.
  • the anti-snap lock cylinder is designed as a double lock cylinder with an outer lock cylinder section and an inner lock cylinder section.
  • an anti-snap lock cylinder in particular an anti-snap lock cylinder for a cylinder lock, with at least one lock core and a cylinder housing in which the lock core is accommodated, the cylinder housing has at least one predetermined breaking point that is moved forward.
  • the predetermined breaking point is designed as a cross-sectional reduction.
  • the cross-section is to be considered in the radial direction perpendicular to the axis through the corresponding axial position.
  • the weakest point in a conventional lock cylinder is the cross section through the Forend screw hole formed. Without an additional predetermined breaking point, the locking cylinder would break there in the event of a snapping attempt.
  • an advanced predetermined breaking point is provided in an anti-snap cylinder, the lock cylinder will break at the advanced predetermined breaking point in the event of a snapping attempt.
  • further predetermined breaking points can be provided on the cylinder housing, in particular predetermined breaking points that are moved forward.
  • the core extension is designed as a core extension described here.
  • a further embodiment provides that a locking mechanism is provided which locks the lock core in the cylinder housing, in particular against axial movement, when the lock core is moved axially, in particular when a lock core is attempted to be pulled out or a cylinder broken off.
  • the cylinder housing has a locking lever groove for a locking lever rotatable about an axis of rotation, the locking lever groove and/or the locking lever having a shoulder so that the groove and/or the lever has different dimensions in the axial direction.
  • the locking lever is accommodated in the cylinder housing in a radially rotatable manner. Accordingly, the cylinder housing has a corresponding locking lever groove. This penetrates the housing radially and extends in the axial direction.
  • the lock lever groove is designed with a change in cross section in the radial direction, in particular with at least one shoulder.
  • the locking lever has a corresponding change in cross section or corresponding steps in the radial direction.
  • an L cross-section viewed from the side, is provided for the groove or the locking lever.
  • a first shoulder section with a smaller axial dimension is arranged closer, in particular radially closer, to the (rotational) axis of the lock core than a shoulder section with a larger axial dimension and the locking mechanism in the lock cylinder in the radial direction located above the heel portion having the larger axial dimension and/or adjacent to the heel portion having the smaller axial dimension.
  • the smaller axial dimension allows for more housing material at this point.
  • the locking mechanism is formed in the housing material next to the smaller axial shoulder.
  • the locking pin receptacle is formed here. This preferably sits next to the opening section with the smaller axial dimension, above the opening section with the larger axial dimension and below the extension part.
  • the anti-snap lock cylinder is designed as a double lock cylinder with an outer lock cylinder section and an inner lock cylinder section. If you try to snap, the outer section of the lock cylinder will be attacked and partially destroyed. Due to the solution according to the invention, the inner locking cylinder section remains functional.
  • the invention includes the technical teaching that in a locking device comprising at least one key and at least one corresponding lock core and/or a corresponding lock cylinder, it is provided that the lock core as an extended lock core described here and/or the lock cylinder according to formed anti-snap lock cylinder described here is / are and the key corresponds to the lock cylinder and / or the lock core and / or is associated with it.
  • the invention also includes the technical teaching that in a method for anti-snap protection of a lock cylinder, in particular an anti-snap lock cylinder described here, it is provided that during a snapping attempt in which a force is applied to the outer section of the lock cylinder is applied, first the forward predetermined breaking point of the cylinder housing breaks and after breaking the forward predetermined breaking point the locking mechanism is triggered and engages in the locking receptacle (or locking recess), the locking mechanism comprising the step of moving two locking bolts apart.
  • the step of moving the pressure pin and the pressure pin holder apart is carried out before the step of moving the two locking bolts apart.
  • the invention includes the technical teaching that in a method for producing an anti-snap lock cylinder, in particular an anti-snap lock cylinder described here, the steps are provided: Provision of a pre-displaced predetermined breaking point in the cylinder housing and provision of a locking mechanism, wherein to produce the locking mechanism, a pressure pin and a pressure pin holder are preloaded so that they can move in one direction towards one another and two locking bolts are preloaded so that they can move towards one another in a different direction and by the preloaded pressure pin and pressure pin holder in one held non-blocking operating position and released in a blocking release position.
  • a lock core or a lock core unit is provided to produce the anti-snap cylinder. This is connected to a core extension, in particular loosely connected.
  • the locking mechanism is provided. This is provided in or on the core extension.
  • the present invention with the anti-snap function thus offers protection against violent attacks in which the outer part of the lock cylinder is to be broken off.
  • the upstream predetermined breaking point on the cylinder housing and the additional locking mechanism ensure that even if the cylinder housing is broken off on the outside, an attacker cannot gain access to the locking lever. If the rotating mechanism is blocked from the outside at the same time, the door can still be closed from the inside. This is particularly relevant for any dangerous situations that may arise, such as in the event of a fire, etc.
  • a cylinder front is equipped with anti-drilling and anti-pulling protection.
  • the area between the predetermined breaking point on the cylinder housing and the locking lever is protected against drilling by hard metal elements.
  • Snapping is a violent break-in method in which an attempt is made to remove the locking cylinder by breaking it off with the door closed in order to gain access to the lock.
  • the door which is equipped with a cylinder lock with a key cylinder, is locked.
  • the snapping attack takes place from the outside.
  • Lock cylinder and lock are permanently connected to the door.
  • the (axial) length of the locking cylinder is adapted to the door leaf and any existing fittings and does not protrude by more than 3 mm.
  • the burglary (attempt) takes place with a pair of pliers, usually a pair of welding pliers with locking device, as well as a slotted screwdriver instead.
  • pliers and a screwdriver first remove or bend the fitting surrounding the locking cylinder on the outside of the door, if present, so that the locking cylinder is freely accessible from the outside. Then the pliers are placed horizontally or vertically on the lock cylinder and locked if necessary. The attempt is made to place the pliers as close as possible to the door leaf or the ceiling of the lock. Then the handle of the pliers is moved jerkily to the right and left or up and down. This ensures that the lock cylinder housing breaks at the weakest cross-section - without a predetermined breaking point in the area of the forend screw bore - otherwise at the predetermined breaking point - since the smallest material cross-section is present there.
  • the outer part of the lock cylinder can be removed with pliers from conventional locks.
  • the locking lever and the inner part of the locking cylinder are then free and accessible from the outside.
  • the locking lever can then be turned directly using a screwdriver and the lock bolt can be drawn in. If this is not possible immediately, first press the inner part of the locking cylinder with a screwdriver in the direction of the inside of the door and then remove the locking lever, which is usually loose, from the lock.
  • the bolt mechanism of the lock is then actuated directly or with the aid of the locking lever with a screwdriver.
  • Lock cylinders that offer increased resistance to this type of attack are commonly referred to as anti-snap cylinders.
  • the locking cylinder In order to counteract the attempted break-in using the snapping method, it is necessary to take several countermeasures on/in the locking cylinder. First of all, it must be prevented that the locking cylinder can break at the weakest point (without a predetermined breaking point) - the cross section at the forend screw hole, i.e. the point with the smallest material cross section. In the case of a double cylinder without predetermined breaking points, this point is in the area of the forend screw hole. In one embodiment, the area of the forend screw hole is reinforced by very hard or very elastic materials or combinations of materials. This prevents, for example, breaking or complete tearing off after the material breaks brittle. A further embodiment provides that a modular locking cylinder is provided. Here, the locking cylinder is built up in segments.
  • the weak point in the material is moved forward to a first predetermined breaking point.
  • a predetermined breaking point or several predetermined breaking points are provided between the forend screw hole and the outer front surface of the lock cylinder. The material remaining there has a smaller material cross-section than the web in the area of the forend screw hole.
  • the locking cylinder then breaks at the first predetermined breaking point instead of in the area of the forend screw hole as in conventional designs. This leaves part of the lock cylinder housing between the forend screw hole and the outside of the door so that the remaining parts of the lock cylinder cannot be removed further or pushed away. After it has been ensured that the locking cylinder cannot break off at all, or if it can then break off in a controlled manner, further measures can be taken to prevent the subsequent turning of the lock cylinder To prevent the locking lever from the outside of the door.
  • the locking lever can be fixed temporarily or permanently by means of a shaft on the inside or outside of the locking cylinder, using spring-loaded or non-spring-loaded pins. If the locking lever is only fixed temporarily, this means that even if the locking cylinder part has broken off from the outside, the door can still be locked from the inside.
  • the lock cylinder is arranged with a predetermined breaking point between the forend screw hole and the last, in particular rearmost, housing pin on the outside of the cylinder.
  • This predetermined breaking point is placed and designed in such a way that the remaining material has a lower section modulus than the material in the area of the forend screw hole.
  • the lock core and a shaft, also core extension, with an integrated pressure piece are arranged in the upper, large diameter of the lock cylinder housing.
  • the core end of the lock core and the core extension are loosely connected or adjacent to each other.
  • Two (through) holes are made in the core extension at an angle of 180° to each other, which are designed as a (interrupted) through hole in terms of production.
  • the through bore or the two aligned or (con)centrically arranged bores are preferably aligned horizontally.
  • One bore is preferably arranged facing to one side and the other is arranged opposite, ie offset by about 180° to the other side of the core extension.
  • the bores are thus in a 9 o'clock position and a 3 o'clock position.
  • the core extension can be used for both conventional and horizontal locking systems.
  • the core extension is rotated as required, more precisely rotated by 90°, and inserted into the cylinder housing. In horizontal systems, the holes are rotated accordingly and are then not in the 9 o'clock and 3 o'clock positions, but in the 6 o'clock and 12 o'clock positions.
  • an additional anti-drilling segment is inserted between the predetermined breaking point and the locking mechanism or locking pin receptacle in the axial direction, in order to protect the locking mechanism against further attacks even after the locking cylinder part breaks off.
  • the locking cylinder If the locking cylinder is now attacked using the snapping method, it will first break at the upstream predetermined breaking point. Due to the placement of the predetermined breaking point, the locking core remains in the outer part of the cylinder housing.
  • the lock cylinder can still be closed even after an attack and breaking off the outer part. This has the advantage that the door can be opened from the inside and the building can be exited.
  • the locking cylinder has a cylinder housing with an L-shaped locking lever groove, a correspondingly shaped locking lever, at least one cylinder core with key insertion and permutation query, at least one core extension with internal, spring-loaded locking bolts and a multi-part security pressure piece and a coupling.
  • the inside of the lock cylinder can also be designed with a lock cylinder with key insertion and permutation query and/or a core shaft with subsequent rotary knob.
  • the cylinder housing is divided into the inside and outside, with the outside containing the protective mechanisms of the anti-snap solution described here.
  • the cylinder housing has an incision on the outside, which is arranged between the front end face and the locking lever groove. The orientation, depth and position of this incision are selected in such a way that the remaining cross-sectional area at this point is smaller than the cross-sectional area of the cylinder housing in the area of the forend screw hole. This ensures that in the event of a snapping attack, the cylinder housing first breaks at the point of the cut instead of in the area of the forend screw hole. A defined breaking point (predetermined breaking point) is created.
  • the broken-off first partial area of the outside of the cylinder housing is removed together with the cylinder or lock core and the locking mechanism located in the cylinder core.
  • a second end face is now visible, which results from the rear face of the housing incision of the predetermined breaking point.
  • the position of the incision is selected in the cylinder housing in such a way that this new end face is flush with the outer surface of the door lock or only slightly offset. This means that the second remaining part of the outside of the cylinder housing no longer offers a point of attack for pliers, a profiled tube or other tools to break the lock cylinder again.
  • the multi-part safety pressure piece is pushed apart by an internally preloaded spring as soon as the cylinder core is broken off and removed together with the partial area on the outside of the cylinder housing.
  • One component of the multi-part pressure piece is shaped in such a way that in the undamaged initial state of the lock cylinder, two spring-loaded locking bolts lying transversely to the pressure piece in the core extension are held in a release position. This is achieved with the help of a continuous groove.
  • the axial spring of the prestressed, multi-part safety pressure piece relaxes first.
  • the component described above for fixing the locking bolts - the pressure pin holder - in the release position is pushed out and thus cancels the fixing of the locking bolts placed transversely and/or perpendicularly to it.
  • the spring preloaded between the locking bolts also relaxes and presses both locking bolts laterally outwards in the direction of the second partial area of the outside of the cylinder housing.
  • Corresponding stepped bores are provided there, into which the specially shaped locking bolts are immersed and fixed behind the step within the bore.
  • This locking function is independent of the installation position of the lock cylinder.
  • the component of the safety pressure piece used to fix the locking pin is shaped in such a way that its position in the core extension can be shifted along an axial bore between the coupling or coupling mechanism and the cylinder core. The path is limited by the other components of the safety pressure piece and the cylinder core on the outside of the locking device. Furthermore, the shape of the component is selected in such a way that twisting within the bore and thus unintentional triggering of the locking pin is prevented by a groove as part of the bore.
  • the second component of the safety pressure piece is shaped in such a way that it can be inserted into a receiving bore of the first component described above.
  • the head part of the second pressure piece component pointing in the direction of the cylinder coupling - the head section of the pressure pin - is designed in such a way that an axial displacement in combination with the first pressure piece component is limited by the cylinder coupling on one side and the core extension on the other side.
  • the head section is shaped in such a way that the second pressure piece component - the pressure pin - cannot be pulled out of the core extension after breaking off the partial area of the outside of the cylinder housing and thus closes the axially running bore of the multi-part safety pressure piece. This also protects access to the clutch or coupling mechanism of the locking lever.
  • a spring is inserted between the first and second component of the security pressure piece - pressure pin holder and pressure pin - in such a way that it is pretensioned in the undamaged initial state - non-locking operating state - of the lock cylinder.
  • the spring force of this spring is dimensioned in such a way that it is greater than a combination of the spring force of the compression spring between the locking bolts and the frictional forces of the first pressure piece component on the axial bore and the locking bolts, at least in the main effective direction of the spring of the pressure piece. This ensures that the first pressure piece component is pushed out of the axial bore in the core extension when the spring is relaxed after breaking off and removing the outside of the cylinder housing, thus releasing the locking bolts.
  • the core extension is designed in such a way that the multi-part safety pressure piece can be moved in an axial through hole. Offset from this hole by about 90°, there is another, e.g. essentially horizontal, transverse hole, in which the locking bolts can be moved and which correspond to stepped holes in the second partial area of the outside of the cylinder housing.
  • the axial and horizontal bores intersect in an area in which the locking bolts are fixed in the initial position by the first pressure piece component.
  • the core extension is made of a material that makes it difficult or even impossible to drill into or through it, to insert or apply tools such as screws or bolts and/or to completely destroy it. Additional anti-drill rods introduced into the housing underneath are connected to this. These rods, together with the core extension, create a protective measure in the form of a barrier even against cutting attack methods.
  • the locking lever is designed in such a way that the inner contour matches the cylinder clutch.
  • the external dimensions are to be selected in such a way that they correspond to the requirements of the standard.
  • the area of the locking lever that actuates the actuating mechanism of the door lock is offset from the vertical central axis of the radial area in the direction of the outside of the cylinder. During a closing process of the locking device, this area runs around the inner partial area of the outside of the cylinder housing, in which the above-described core extension with locking bolts is arranged. Due to this, for example, L-shaped design, the actuating area of the locking lever is still able to actuate the actuating mechanism of the door lock, even if the locking lever groove deviates from the vertical axis through the forend screw hole.
  • Both the cylinder core(s) and the core extension(s) are fixed in position in the cylinder housing by means of clamping rings.
  • the clamping ring of the core extension with locking bolt cannot be reached from the outside when the lock cylinder is installed in the door and is protected by the door lock itself.
  • the protective measures described above can be used independently of the cylinder core and key profile and also independently of vertical and horizontal, conventional or reversible key systems.
  • two further bores, one of which is stepped, are made in the partial area on the outside of the cylinder housing.
  • the cylinder core is rotated by 90° and the locking pins plunge up and down into the bores after the protective device has been triggered by means of the spring force described.
  • the holes in the housing must be positioned corresponding to the cross hole of the core extension.
  • the locking cylinder can no longer be operated from the outside.
  • operation from the inside is still possible with a suitable key or using the alternatively attached rotary knob, so that the building can still be exited and the cylinder can be exchanged after a successfully repelled attack, provided that the remaining components of the door allow this.
  • FIGS. 1 to 30 show in different views and degrees of detail an embodiment of an anti-snap locking cylinder 100 and its parts or components. The embodiment is described below.
  • Figures 1 to 8 show an embodiment of an anti-snap lock cylinder 100 in different representations.
  • 1 12 schematically shows the embodiment of the anti-snap lock cylinder 100 in a perspective view.
  • the lock cylinder 100 is designed as a double lock cylinder 100a.
  • a lock cylinder section faces an inner side I and a lock cylinder section faces an outer side A.
  • a boundary line or boundary plane between the inside I and the outside A is formed by the maximum cross section of the forend screw hole 6 radially or perpendicularly to the axial axis Z (see 2 ) extending plane M (see in particular 2 ).
  • the forend screw 7, which is 1 is indicated only schematically by the reference numeral 7, used.
  • the (middle) plane M thus characterizes the weakest cross-section of the lock cylinder without corresponding further predetermined breaking points.
  • the outer lock cylinder section is approximately the same size in the axial direction as the inner lock cylinder section.
  • the double lock cylinder 100a is designed more precisely as a profile double cylinder and has a cylinder housing 2 .
  • the cylinder housing 2 is composed of a cylinder wall 4 with a circular cross-section, each having a cylinder opening 3, and a web section 5 extending radially from the same material (see in particular 25 ).
  • a cylinder core or lock core 8, more precisely a lock core unit 8a is arranged in each cylinder opening 3 and is fixed axially, for example, by means of a clamping ring. With its inner wall, the cylinder wall 4 forms a core bore into which the respective lock core unit 8a is inserted.
  • a predetermined breaking point 80 is provided in the center plane M. So that the cylinder housing 2 does not break in the area of the forend screw hole 6 in the center plane M during a snapping attempt.
  • the predetermined breaking point 80 is provided here as a slot 81 which extends radially from the cylinder wall 4 into the web 5 without completely severing the web 5 .
  • the locking unit shown has a locking lever 41 .
  • the groove 42 is designed with an axial cross-sectional change in the radial direction.
  • a core extension 60 is provided between the predetermined breaking point 80 and the locking lever 41, which together with the core unit 8a forms an extended locking core.
  • the core extension 60 more precisely the extension part 65, has a locking bolt receptacle 93i, in which locking bolts 93 of the locking mechanism 90 are accommodated. Furthermore, the housing 2 has locking bolt receptacles 93k on the housing side, coaxially to the locking bolt receptacles 93i of the core extension 60, into which locking bolts 93 projecting beyond the locking bolt receptacle 93i can engage for locking.
  • the groove 42 is approximately L-shaped in the view.
  • the groove 42 forms a larger dimension in the axial direction Z at a radially more distant section from the axis of rotation Z than at a radially closer section.
  • the lock core 8 or the lock core unit 8a is inserted into the cylinder housing 2 in the axial direction (Z-direction).
  • the lock core 8 or the lock core unit 8a hereinafter abbreviated as the lock core 8, 8a, is designed here as an extended lock core 8.
  • the extended lock core 8 has the core extension 60 in addition to the actual lock core 8, 8a or the lock core unit 8a.
  • the core extension 60 comprises a pressing piece 61 comprising a pressing pin 63 and a pressing pin holder 62, and an extension part 65.
  • the pressing piece 61 is received on the extension part 65.
  • the recording can take place in a form-fitting manner for the transmission of a torque. Accordingly, the pressure piece 61 is non-rotationally symmetrical in one embodiment.
  • the recording can thus take place on this in a rotationally fixed manner.
  • the extension part 65 has engagement means 77 for a non-rotatable connection with corresponding engagement means 77 of the lock core 8, 8a.
  • the extension part 65 and the locking core 8, 8a are loosely connected axially (not shown in more detail here). Extension part 65 and lock core 8, 8a are coupled axially.
  • the inside locking core 8 has no core extension 60 .
  • the extended lock core 8 sits within the cylinder opening 3, on the outside of the double lock cylinder 100a.
  • the engagement means 77 for torque transmission are also shown (see e.g 9 ).
  • locking receptacles 93i, 93k extending in the radial direction are provided.
  • the coupling or coupling mechanism K is shown.
  • the opening or the groove 42 has a larger dimension in the Z direction radially away from the axis of rotation Z, so that an L-shape results here in the side view.
  • the locking mechanism 90 is provided radially above the leg of the L-shape that protrudes in the Z direction (see e.g 26, 25 ).
  • a cylindrical pin at 94 is provided in addition to the locking mechanism 90, represented here by the locking receptacles 93i, 93k.
  • the cylindrical pin 94 serves as an additional anti-drilling segment between the predetermined breaking point 80 and the locking mechanism 90.
  • FIG. 6 shows the anti-snap lock cylinder 100 schematically or in a sectional view.
  • the locking mechanism 90 can be clearly seen in the sectional view.
  • this comprises the locking bolts 93, which are pressurized outwards by a compression spring (not shown here).
  • Compression spring and locking pin 93 are held in a prestressed position by the locking pin receptacle 62d of the pressure pin holder 62 in the non-locking, operational state (see also Figures 15 to 18 ).
  • the arrangement is designed such that the locking bolts 93 are pressed in the locking state by the locking receptacle 93i of the core extension 60 into the locking receptacle 93k of the cylinder housing 2 and protrude there, preferably reaching behind or engaging there.
  • corresponding locking receptacles 91 or also locking recess for receiving the locking bolts 93 are provided in the extension part 65 of the core extension 60 .
  • the locking receptacles 93i, 93k are oriented in the same way (radially) as the locking bolts 93.
  • the respective locking receptacle 93i, 93k is designed such that the respective locking bolt 93 can move through or into the locking receptacle 93i, 93k or engage when the locking receptacle 93i, 93k and locking bolt 93 are arranged approximately coaxially to one another.
  • the cylinder pin 94 serving as protection against drilling is provided.
  • the locking lever 41 with the further locking cylinder 100 mechanism or coupling mechanism K is arranged on the locking mechanism 90 .
  • the basic design of the locking mechanism 90 is similar to a non-stepped locking lever 41 with a stepped locking lever 41 .
  • Figures 9 to 14 show an embodiment of an extension part 65 of a core extension 60.
  • 9 shows schematically in a perspective view the embodiment of the extension part 65 of the core extension 60.
  • 10 FIG. 12 schematically shows the embodiment according to FIG. 1 in another perspective view Fig. 9.
  • Fig. 11 shows the embodiment according to FIG Fig. 9.
  • Fig. 12 FIG. 12 schematically shows the embodiment according to FIG Fig. 9.
  • Fig. 13 shows schematically the section AA Fig. 12.
  • Fig. 14 shows schematically in a rear view the embodiment according to 9 .
  • the core extension 60 is essentially designed as a cylindrical base body 67 and comprises the extension part 65 and the pressure piece 61 or the pressure pin 63 and the pressure pin holder 62 (see also 15-22 ).
  • the or the extension part 65 has a pressure piece receptacle 66 extending in the axial direction.
  • the pressure piece 61 with the pressure pin 63 and the pressure pin holder 62 is received in the pressure piece receptacle 66 .
  • the pressure piece receptacle 66 is designed to complement the outer contour of the pressure pin holder 62, here as a slotted cylindrical bore 66a, with a cylindrical section 66b and a slot 66c protruding through the wall of the cylindrical bore.
  • Walls 68 are formed so as to protrude axially from the base body 67 and are formed as coupling elements for coupling to a coupling mechanism K which is axially connected thereto.
  • the coupling elements are designed for torque transmission.
  • engagement means 77 On the opposite side of the base body 67 are engagement means 77, here in the form of a projection 69, is provided. These are designed to engage with corresponding engagement means 77 of the lock core 8, so that an engagement of the engagement means 77 can transmit a torque from the lock core 8 to the core extension 60 or the extension part 65.
  • the cylindrical portion 66b of the bore is formed eccentrically.
  • a plurality of locking recesses, locking receptacles or locking pin receptacles 93i designed as through bores are provided radially on the base body 67 .
  • the locking mechanism 90 When the locking mechanism 90 is triggered, this allows the respective locking pin or locking bolt 93 to be moved, for example until it engages in the locking receptacles 93k on the housing.
  • the locking receptacles 93i, 93k are aligned or (con-)centrically arranged with one another.
  • Figures 15 to 18 show an embodiment of a pressure pin holder 62 of a multi-part pressure piece 61.
  • 15 shows schematically in a perspective view an embodiment of the pressure pin holder 62.
  • 16 shows the pressure pin holder 62 schematically in a side view.
  • 17 shows schematically the section AA Fig. 16.
  • Fig. 18 shows a schematic top view of the pressure pin holder 62.
  • the pressure pin holder 62 has a hollow-cylindrical base section 62a with a pressure pin receptacle 62c' designed as a cylindrical blind bore 62c.
  • a projection 62b is provided, projecting radially from the hollow-cylindrical base section 62a.
  • the projection 62b extends the entire length of the base portion 62a.
  • a locking pin receptacle 62d is provided approximately opposite the projection 62b.
  • the locking pin receptacle 62d is designed as a groove 62e.
  • the groove 62e is formed in the wall surrounding the cylindrical blind bore 62c, so that a groove flank 62f is formed on each side.
  • the locking pin receptacle 62d is provided for holding the locking pin 93.
  • the groove 62e extends over the entire length of the pressure pin holder 62.
  • the groove 62e has a constant groove width and a constant groove depth.
  • the blind hole 62c extends about three quarters of the length of the pressure pin holder 62.
  • FIG. 19 to 22 show an embodiment of a pressure pin 63 of the pressure piece 61.
  • 19 shows a schematic perspective view of an embodiment of the pressure pin 63.
  • 20 shows the embodiment according to FIG Fig. 19.
  • Fig. 21 shows schematically the section AA Fig. 20.
  • Fig. 22 FIG. 12 schematically shows the embodiment according to FIG 19 .
  • the pressure pin 63 has a cylindrical shank section 63c which corresponds to or is complementary to the pressure pin receptacle 62c′ designed as a blind hole 62c. With the shaft portion 63c the pressure pin 63 received in the blind hole 62c.
  • Shaft section 63c and blind hole 62c are dimensioned such that when pressure pin 63 is received, a loose fit or a smooth fit is provided, so that pressure pin 63 can move out of pressure pin receptacle 62c'.
  • a pressure pin head 63a is provided adjoining the cylindrical shaft section 63c in the axial direction.
  • the pressure pin head 63a has a larger outer diameter than the shank section 63c and can thus serve as a stop.
  • the push pin head 63a has a chamfered portion 63d and a cylindrical portion 63e.
  • the chamfered portion 63d is located between both the end portion 63e and the shank portion 63c.
  • the shaft section 63c is also designed as a hollow cylinder and has a corresponding cylindrical blind hole 63b. This extends approximately over three quarters of the length of the shaft section 63c.
  • 23 and 24 show an embodiment of the locking pin 93.
  • 23 shows a schematic side view of an embodiment of the locking pin 93.
  • 24 shows schematically the section AA 23 .
  • Two locking pins 93 are provided to implement the locking mechanism.
  • the locking pins 93 are rotationally symmetrical about their axial direction.
  • the locking bolts 93 are oriented in opposite directions in the installed, operational state and each point towards one another with their base section 93a.
  • the locking bolts 93, which point towards one another with their base sections 93a, are preloaded against one another in the ready-to-operate state with a spring-loaded unit, preferably a compression spring. To do this, the locking pins 93 must be held.
  • a circumferential groove 93d is provided in the base section 93a.
  • the flanks 62f of the pressure pin holder 62 engage in this groove 93d. Accordingly, the widths of the grooves 93d and 62e must be matched to one another.
  • the respective base section 93a has a spring storage receptacle 93c. This is designed as an internal bore or recess 93k.
  • a head portion 93e is formed adjacent to the base portion 93a. This has a cylindrical section 93f with a smaller diameter and then a chamfered section 93g with a larger diameter.
  • Figures 25 to 30 show an embodiment of the cylinder housing 2.
  • 25 shows schematically in a perspective view an embodiment of the cylinder housing 2.
  • 26 shows the embodiment according to FIG Fig. 25.
  • Fig. 27 shows schematically the section AA Fig. 26.
  • Fig. 28 shows schematically the detail C after Fig. 27.
  • Fig. 29 FIG. 12 schematically shows a front view of the embodiment according to FIG Fig. 26.
  • Fig. 30 shows schematically the detail B 26 .
  • the design of the predetermined breaking point 80 as a slot 81 in the housing 2 can be clearly seen here.
  • the housing section with the locking receptacles 93k is shown lying behind it in the direction of the inside I.
  • the groove 42 connects to this further in the direction of the inside I.
  • the forend screw hole 6 is shown below the groove 42 .
  • the locking receptacles 93k are designed differently in pairs. That's how they are 27 Locking receptacles 93k shown in the 3 o'clock position and correspondingly in the 9 o'clock position are designed as stepped through bores.
  • the locking receptacles 93k arranged in the 12 o'clock and 6 o'clock positions are designed as cylindrical through bores.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Claims (16)

  1. Prolongement de noyau (60) pour un noyau de serrure (8) d'un cylindre de serrure (100), lequel s'étend essentiellement dans une direction axiale (Z) pour prolonger axialement un noyau de serrure (8), caractérisé en ce que
    le prolongement de noyau (60) est conçu en plusieurs parties et comprend au moins une partie de prolongement (65) et au moins une pièce de pression (61) incluse contre celle-ci dans la direction axiale (Z), laquelle pièce de pression s'étend essentiellement dans une direction axiale (Z), dans lequel la pièce de pression (61) est conçue en plusieurs parties et comprend au moins une tige de pression (63) et un support de tige de pression (62), dans lequel le support de tige de pression (62) présente un logement de tige de pression (62c') pour au moins partiellement loger et/ou guider la tige de pression (63), dans lequel le support de tige de pression (62) présente un logement de goupille de blocage (62d) pour maintenir au moins deux goupilles de blocage (93), dans lequel la tige de pression (63) logée dans le support de tige de pression (62) est élastiquement précontraint dans la pièce de pression (61) par une unité de ressort accumulateur, de sorte que lors de la détente de l'unité de ressort accumulateur la tige de pression (63) soit au moins partiellement poussée vers l'extérieur depuis le support de tige de pression (62), dans lequel le logement de goupille de blocage (62d) est conçu au moyen d'une rainure, dans lequel des parties des goupilles de blocage (93) sont prévues dans la rainure, dans lequel les goupilles de blocage (93) sont mutuellement précontraintes au moyen d'une unité de ressort accumulateur, dans lequel à l'état opérationnel non bloquant les goupilles de blocage sont maintenues en précontrainte par le logement de goupille de blocage (62d) en ce que l'unité de ressort accumulateur est agencée entre les goupilles de blocage (93).
  2. Prolongement de noyau (60) selon la revendication 1, caractérisé en ce que
    la partie de prolongement (65) présente un logement de pièce de pression (66) pour loger la pièce de pression (61), dans lequel la pièce de pression (61) est et/ou peut au moins partiellement être logée pour réaliser une coopération de la pièce de pression (61) et de la partie de prolongement (65).
  3. Prolongement de noyau (60) selon l'une des revendications précédentes 1 ou 2, caractérisé en ce que
    la partie de prolongement (65) présente au moins un logement de blocage (93i) qui s'étend transversalement à la direction axiale (Z) pour coopérer avec un mécanisme de blocage (90).
  4. Noyau de serrure (8) prolongé pour un cylindre de serrure (100) d'une serrure de cylindre, qui comprend au moins une unité de noyau de serrure (8a) et au moins un prolongement de noyau (60), dans lequel l'unité de noyau de serrure (8a) est reliée de manière lâche au prolongement de noyau (60) dans la direction axiale (Z), dans lequel le prolongement de noyau (60) est conçu en tant que prolongement de noyau (60) selon l'une des revendications précédentes 1 à 3.
  5. Mécanisme de blocage (90) pour un cylindre de serrure anti-accroc (100), lequel lors d'un mouvement axial d'un noyau de serrure (8), plus exactement lors d'une tentative de retrait du noyau de serrure ou d'une tentative de rupture du cylindre, bloque un prolongement de noyau (60) selon l'une des revendications précédentes 1 à 3 dans un logement de cylindre (2), caractérisé en ce que le mécanisme de blocage (90) est conçu en tant que mécanisme de blocage (90) à deux niveaux avec une pièce de pression (61) en tant que premier niveau et avec au moins deux goupilles de blocage (93) qui peuvent être déplacées en s'écartant les unes des autres en tant que second niveau, dans lequel la pièce de pression (61) bloque ou libère un déplacement en s'écartant les unes des autres des goupilles de blocage (93), dans lequel la pièce de pression (61) s'étend essentiellement dans une direction axiale (Z), dans lequel la pièce de pression (61) est conçue en plusieurs parties et comprend au moins une tige de pression (63) et un support de tige de pression (62).
  6. Mécanisme de blocage (90) selon la revendication 5, caractérisé en ce que
    les goupilles de blocage (93) sont précontraintes les unes contre les autres par une unité de ressort accumulateur et en mode opérationnel non bloquant sont maintenues ensemble via le logement de goupille de blocage (62d) de la pièce de pression (61), plus exactement du support de tige de pression (62).
  7. Cylindre de serrure anti-accroc (100) pour une serrure de cylindre, avec au moins un noyau de serrure (8) et un logement de cylindre (2) dans lequel est logé le noyau de serrure (8), dans lequel le logement de cylindre (2) présente au moins un point de rupture (80) décalé en amont, caractérisé en ce que
    un mécanisme de blocage (90) selon la revendication 5 ou 6 est prévu, lequel lors d'un mouvement axial du noyau de serrure (8), plus exactement lors d'une tentative de retrait du noyau de serrure ou d'une tentative de rupture du cylindre, bloque le prolongement de noyau (60) dans le logement de cylindre (2) à l'encontre d'un déplacement axial vers l'extérieur.
  8. Cylindre de serrure anti-accroc (100) selon la revendication 7, caractérisé en ce que
    le noyau de serrure (8) est conçu en tant que noyau de serrure (8) prolongé selon la revendication 4.
  9. Cylindre de serrure anti-accroc (100) selon la revendication 7 ou 8, caractérisé en ce que
    le prolongement de noyau (60) est conçu en tant que prolongement de noyau (60) selon l'une des revendications précédentes 1 à 3.
  10. Cylindre de serrure anti-accroc (100) selon l'une des revendications précédentes 7 à 9, caractérisé en ce que
    le logement de cylindre (2) présente une rainure de levier de serrure (42) pour un levier de serrure (41) rotatif autour d'un axe de rotation (Z), dans lequel le levier de serrure (41) et/ou la rainure de levier de serrure (42) présente un épaulement, de sorte que la rainure (42) et/ou le levier (41) présente des dimensions différentes dans la direction axiale (Z).
  11. Cylindre de serrure anti-accroc (100) selon l'une des revendications précédentes 7 à 10, caractérisé en ce que
    une première section d'épaulement avec une dimension axiale plus petite est agencée plus près de l'axe de rotation (Z) du noyau de serrure (8) qu'une section d'épaulement avec une dimension axiale plus grande, et le mécanisme de blocage (90) dans le cylindre de serrure (100) est agencé dans la direction radiale par-dessus la section d'épaulement avec la dimension axiale plus grande et/ou à côté de la section d'épaulement avec la dimension axiale plus petite.
  12. Cylindre de serrure anti-accroc (100) selon l'une des revendications précédentes 7 à 11, caractérisé en ce que
    le cylindre de serrure anti-accroc (100) est conçu en tant que double cylindre de serrure (100a) avec une section de cylindre de serrure extérieure (A) et une section de cylindre de serrure intérieure (I).
  13. Dispositif de serrure (100), qui comprend au moins une clé et au moins un noyau de serrure (8) qui correspond à celle-ci et/ou un cylindre de serrure (100) qui correspond à celle-ci, caractérisé en ce que
    le noyau de serrure (8) est conçu en tant que noyau de serrure (8) prolongé selon la revendication 4 et/ou le cylindre de serrure (100) est conçu d'après un cylindre de serrure anti-accroc (100) selon l'une des revendications précédentes 7 à 12, et la clé correspond au cylindre de serrure anti-accroc (100) et/ou au noyau de serrure (8) prolongé et/ou leur est attribuée.
  14. Procédé de sécurisation anti-accroc d'un cylindre de serrure selon l'une des revendications précédentes 7 à 12, dans lequel, lors d'une tentative d'arrachage où une force transversale est appliquée sur la section de cylindre de serrure extérieure (A), le point de rupture (80) décalé en amont du logement de cylindre (2) est tout d'abord libéré, puis le mécanisme de blocage (90) après rupture du point de rupture (80) décalé en amont, et vient en prise dans le logement de blocage (93k), dans lequel le mécanisme de blocage (90) comprend l'étape de déplacement en s'écartant l'une de l'autre de deux goupilles de blocage (93).
  15. Procédé selon la revendication 14, caractérisé en ce que
    avant l'étape de déplacement en s'écartant l'une de l'autre de deux goupilles de blocage (93), est effectuée l'étape de déplacement en s'écartant l'une de l'autre de la tige de pression (63) et du support de tige de pression (62).
  16. Procédé de fabrication d'un cylindre de serrure anti-accroc (100) selon l'une des revendications précédentes 7 à 12, qui comprend les étapes consistant à :
    prévoir un point de rupture (80) décalé en amont dans le logement de cylindre (2) et
    prévoir un mécanisme de blocage (90), dans lequel pour fabriquer le mécanisme de blocage (90) une tige de pression (63) et un support de tige de pression (62) sont précontraints en pouvant être déplacées l'un(e) par rapport à l'autre dans une direction, et à cet effet deux goupilles de blocage (93) sont précontraintes en pouvant être déplacées l'une par rapport à l'autre dans une autre direction et maintenues dans une position opérationnelle non bloquante par la tige de pression (63) et le support de tige de pression (62) précontraints, et libérées dans une position de libération bloquante.
EP19158945.6A 2018-04-06 2019-02-22 Dispositif de fermeture Active EP3550097B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018108159.6A DE102018108159A1 (de) 2018-04-06 2018-04-06 Schließeinrichtung

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EP3550097A1 EP3550097A1 (fr) 2019-10-09
EP3550097B1 true EP3550097B1 (fr) 2022-03-30

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EP19158945.6A Active EP3550097B1 (fr) 2018-04-06 2019-02-22 Dispositif de fermeture

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EP (1) EP3550097B1 (fr)
DE (1) DE102018108159A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3111932B1 (fr) 2020-06-25 2022-07-15 Cogelec Cylindre de serrure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838481A1 (de) * 1988-11-12 1990-05-17 Erich Mundhenke Zylinderschloss
DE20021352U1 (de) 2000-12-16 2001-03-22 Winkhaus Fa August Schließzylinder
GB0918742D0 (en) 2009-10-26 2009-12-09 Avocet Hardware Ltd Lock mechanism
CN102877696A (zh) * 2012-10-17 2013-01-16 徐钜祥 一种改进的门锁机构
AT513607B1 (de) 2012-11-08 2014-06-15 Evva Sicherheitstechnologie Zylinderschloss
UA112614C2 (uk) 2013-04-29 2016-09-26 Мауер Локінг Сістемс Еоод Циліндровий замок з протизламною функцією
CN104047473A (zh) * 2014-07-01 2014-09-17 徐钜祥 一种改进的锁芯机构
DE102018101896A1 (de) * 2018-01-29 2019-08-01 C. Ed. Schulte Gmbh Zylinderschlossfabrik Schließeinrichtung

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Publication number Publication date
DE102018108159A1 (de) 2019-10-10
EP3550097A1 (fr) 2019-10-09

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