Classifications

• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B17/00—Accessories in connection with locks
  • E05B17/14—Closures or guards for keyholes
  • E05B17/142—Closures or guards for keyholes with key-operated locks, e.g. padlocks
• • 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
  • E05B27/0021—Tumblers or pins having movable parts
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
  • E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
• • E—FIXED CONSTRUCTIONS
  • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
  • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
  • E05B17/00—Accessories in connection with locks
  • E05B17/14—Closures or guards for keyholes
  • E05B17/18—Closures or guards for keyholes shaped as lids or slides
  • E05B17/186—Closures or guards for keyholes shaped as lids or slides sliding

Definitions

• the invention relates to a locking device, in particular in the form of a protective fitting or a lock, with an actuated by magnetic force locking pin according to the preamble of claim 1.
• locking devices in the form of protective fittings and locks are used in a known manner, which have a, for example, attached to a door of a building body on which a locking element in the form of a protective cover made of hardened material is slidably received in sliding guides, to cover an opening formed in the main body for a known lock cylinder or the like and thereby protect it against mechanical manipulation.
• the locking of the locking element takes place via spring-loaded locking pins which are movably received in a bore in the locking element and in the base body, and displaced by inserting a key-side locking pin to release the lock in such a way that the adjacent end faces of the locking pins in the between the body and the locking element extending parting plane lie.
• Such a protective fitting in which the locking pins are additionally guided in spring-loaded lower and upper sleeves, is known from EP 0 367 000 B1.
• the number of possible locking combinations compared to the aforementioned locking devices with easily guided locking pins is significantly increased in this protective fitting and accordingly improves the protection against manipulation.
• a locking device in particular in the form of a protective fitting or lock, has a base body relative to which a locking element, e.g. the protective cover of the protective fitting or the bolt of a lock mounted on a door or a window, or the U-shaped bracket in the case of the padlock described in DE 20 2004 004 024 Ul, etc., can be moved in sliding guides along a parting plane.
• a locking element e.g. the protective cover of the protective fitting or the bolt of a lock mounted on a door or a window, or the U-shaped bracket in the case of the padlock described in DE 20 2004 004 024 Ul, etc.
• the locking element is thereby arrested by at least one locking pin received in a bore, which acts on a first resilient force in the locking element within the bore relative to the dividing plane central top pin, a leading this coaxial upper sleeve and a spring-elastic means towards the parting plane Lower sleeve includes.
• the upper sleeve and the lower sleeve are movable by inserting a key-side locking pin into the bore from the outside of the locking member relative to the parting plane from a locking position to a release position, in which in the locked state adjacent end faces of the lower sleeve and upper sleeve to release the movement of the locking element run in the region of the parting line.
• the invention is characterized in that the central top pin with inserted therebyl punem lock pin by a generated between the lock pin and the upper pin additional magnetic interaction or magnetic force relative to
• the magnetic force may have a key-side closing pin and the upper pin each other attractive or repulsive effect, in which the upper pin with inserted schaul discoveredem lock pin in the direction of the parting plane or is moved away from it, wherein the effect of the magnetic force is particularly dependent on the polarization of the underlying magnetic field.
• the invention provides the advantage that due to the increased number of locking combinations, which is characterized by the additional use of a magnetic
• central upper pins - Interaction between the guided in the upper sleeves of the movable locking elements locking pins - hereinafter referred to as central upper pins - and the associated, used to open the locking device key side
• the key-side locking pin has first magnetic means and the central upper pin second magnetic means which generate a magnetic force attracting the first magnetic means.
• the central top pin is thereby connected via second elastic means, e.g. a known helical compression spring, in the direction of the parting plane towards a second resilient force is applied, which has such a size that the central top pin is moved with inserted negotiatel punem closing pin by the attractive magnetic force against the force of the second resilient means from the parting plane.
• second elastic means e.g. a known helical compression spring
• the first and second magnetic means can be created by permanent magnets attached to the striker pin and the central top pin respectively, it is the same conceivable, at least one of the pins, preferably the mechanically less heavily loaded key-side locking pin, even from a ferromagnetic material, for example made of iron to manufacture, which is imparted from the outset, the required magnetization, whereas the central top pin also made of only a magnetizable, in particular ferromagnetic material may exist, which itself has no own permanent magnetic field, but only by the resulting polarization in the presence of the magnetic field of the key-side locking pin undergoes an attraction.
• This embodiment of the invention offers the advantage that by simultaneously providing key-side locking pins with a "north-south”, “south-north” or no polarization on a key and a correspondingly designed polarization of the central upper pins increase the number of locks considerably leaves.
• a collar may be formed on the central upper pin on which the second resilient means, which urge the upper pin in the direction of the parting plane, are supported.
• the lower sleeve has a smaller inner diameter than the upper sleeve, and that the central upper pin is supported on the collar on the lower sleeve, whereby the manufacture of the device is considerably simplified, since no additional lower pin is required on the the upper pin is supported by its end face.
• a stop is formed, on which the collar of the central upper pin to limit the displacement movement of the central upper pin in the coaxial upper sleeve is supported, if
• the upper pin is urged in its direction by the magnetic interaction with the key-side locking pin.
• a central lower pin is slidably received in the lower sleeve, by third elastic means, in particular a spiral compression spring, toward the central upper pin out with a third resilient force is charged.
• a key adapted to the diameter of the central upper pin is formed on the key-side closing pin, which extends into the interior of the coaxial upper sleeve when the key-in closing pin is inserted.
• the projection serves as a stop for the central upper pin on which in the release position, the key-side closing element facing end face of the central upper pin abuts directly, wherein the separating-plane-side end face of the central upper pin is in contrast in the parting plane.
• the key-side locking pin has first magnetic means and the central top pin second magnetic means in the form of permanent magnets which generate a magnetic force repelling the first and second magnetic means.
• central lower pin in the lower sleeve, cooperating with the central upper pin, central lower pin is slidably received, which is urged by third resilient means, for example in the form of a correspondingly configured spiral compression spring in the direction of the central upper pin.
• edges of the separating-plane-side end faces of the central The bottom pin and / or the central top pin are chamfered or bevelled, as a reliable release of the locking element is even guaranteed even if the position of the end surfaces of the lower pin and / or upper pin due to friction or a certain variation of the size of the acting magnetic force is not accurate corresponds to the position of the parting plane.
• a closure element which preferably consists of a non-magnetic material, in particular of non-magnetic steel, and preferably in one piece or integral to reduce manufacturing costs is formed with the coaxial upper sleeve.
• the movement of the central lower pin away from the parting plane can be limited by a further stop, whereby a reliable guidance of the central lower pin is ensured within a predetermined axial range.
• the key-side locking pin comprises first magnetic means and the central top pin second magnetic means which cooperate in such a way with the first magnetic means that the central top pin by inserting the key side
• Locking pin is rotated in the bore from a movement of the locking element preventing circumferential locking position in a displacement of the locking element enabling circumferential release position.
• the first and second magnetic means are preferably designed as permanent magnets which have a perpendicular to the longitudinal axis of the bore polarization, wherein in the release position of the central upper pin the polarization direction of the provided on the key-side closing pin permanent magnet preferably rotated by 90 ° or 180 ° to Polarization of the magnet provided on the upper pin runs.
• a nose-like projection is provided on the separating-side end face of the central upper pin, which extends into the coaxial lower sleeve in the peripheral locking position of the central upper pin over the parting plane and under the locking element in the release position of the coaxial upper sleeve Generation of a positive connection locked against displacement along the parting plane.
• a second beveled section may be arranged rotated by 90 ° relative to the first portion, for example, after rotation of the upper pin as a result of the magnetic force acting on the edge of the lower sleeve, and a displacement of the upper pin of the parting plane away due to the bevel allows.
• the chamfer preferably includes at least an angle of 45 ° with the longitudinal axis of the bore, so that during the displacement of the upper pin, the chamfer pushes over the edge of the lower sleeve and forces the upper pin out of the parting plane.
• a central lower pin with a further nose-like projection is slidably and rotatably received, which is acted upon by second resilient means in the direction of the central upper pin with a second resilient force, wherein the nose-like and the other nose-like projection are configured in such a way that in the circumferential locking position of the central upper pin, the tips of the nose-like and other nose-like projection and the opposite these axially recessed faces of the central lower pin and central upper pin tooth-like mesh.
• the nose-like projection and / or the further nose-like projection preferably have a continuous rising from the associated axially recessed face from the tip of the projection rising sliding surface, which preferably extends in the circumferential direction, in particular helical over an angular range of 90 ° or 180 °.
• the direction of rotation of the sliding surfaces of the nose-like projection and the further nose-like projection are in this case correspondingly opposite.
• FIG. 1 is a schematic representation of a designed as a security fitting locking device according to the invention with a plurality of locking pins and an indicated key with a plurality of key-side locking pins,
• FIG 2a is a schematic side view of a first embodiment of the locking device according to the invention, in which only a central upper pin is used, which by an attractive
• FIG. 2b shows the embodiment of FIG. 2a in the release position with the key or key-side closing pin inserted
• Fig. 3a shows another embodiment of the invention
• the upper pin consists only of a magnetizable, but not permanent magnetic material, and additionally a central lower pin is used, in the locked position,
• Locking device in which the central upper pin is actuated by a repulsive magnetic force action between therebyl punem lock pin and upper pin, in the locked position;
• Fig. 5a shows a further embodiment of the invention
• Locking device in which the central upper pin is rotated by the magnetic force effect from a circumferential blocking position into a circumferential release position, in the locked position,
• Fig. 5c the embodiment of Fig. 5a and 5b with an inserted unauthorized key-side locking pin, wherein the required for rotating the central upper pin key-side permanent magnet is missing and the upper pin is in the circumferential locking position and locks the locking element.
• the locking element 4 can be locked by at least one received in a bore 10 locking pin 12, which is shown in detail in Figures 2a to 5c in various embodiments, and the one in the locking element 12 within the bore 10 relative to the parting plane 8 displaceable central upper pin 16, a leading this coaxial upper sleeve 18 and acted upon by a first resilient means in the form of a spiral compression spring 20 toward the parting plane 8 out with a first resilient force lower sleeve 22 includes.
• the upper sleeve 18 and the lower sleeve 22 are by inserting a key-side locking pin 24 into the bore 10 from the outside of the locking element 4 forth relative to the parting plane 8 from a locking position shown in Figures 2a, 3a, 4a and 5a in one in Figures 2b, 3b, 4b and 5b shown movable, in which lie in the locked state abutting, unspecified end faces of the lower sleeve 22 and upper sleeve 18 in the region of the parting plane 8 and allow a displacement of the locking element 4 in the position shown in Fig. 1.
• a plurality of locking pins 12 in a corresponding number of bores 10 are preferably provided on the locking device 1, which are actuated simultaneously by a key 28 having a corresponding number of suitably designed key-side locking pins 24.
• This can not only uniform on a key 28 configured key-side locking pins 24 may be provided a single of the embodiment shown in FIGS. 2 to 5, but it is also possible to increase the number of locking combinations, two or more of the embodiments of key-side locking pins 24 shown in Figures 2-5 simultaneously in Combination on a key 28 to operate a corresponding number of correspondingly differently designed locking pins 12 on the locking device 1.
• the key-side closing pin 24 has first magnetic means in the form of a permanent magnet 30 polarized perpendicular to the dividing plane 8.
• Second central means 16 in the form of a second permanent magnet 32 are arranged on the central upper pin 16 can be obtained by gluing a piece of permanent magnetic material or by polarizing the central top pin 16 and having a polarization opposite the first magnet 30, such that an attractive magnetic force acts between the magnets 30, 32, the central top pin 16 against the force of a second helical compression spring 36, which preferably bears on a collar 38 of the upper pin 16 and a preferably circumferential upper stop 45 of the upper sleeve 18, moves away from the parting plane 8 when the key-side closing pin 24, as shown in Fig.
• the lengths of the upper and lower sleeves 18, 22 and the central upper pin 16 are adapted to the penetration depth of the key-side locking pin 24 in such a way that the adjacent end faces of the upper and lower sleeves 18, 22 lie in the parting plane 8, and the separating plane side End of the central upper pin 16 extends above the dividing plane 8 in order to unlock the locking element 4 and to move in the direction of the arrow 34 can.
• the first and second magnets 30, 32 can be obtained when using multiple locking pins 12, an additional number of combination options. Furthermore, in the embodiment of the invention shown in FIGS. 2 a and 2 b, it may be advantageous if the lower sleeve 22 has a smaller inner diameter than the upper sleeve 18, so that the central upper pin 16 can be supported in the blocking position shown in Fig. 2a on the collar 38 on the lower sleeve 22.
• the upper sleeve 18 is closed to the outside by a closure element in the form of a cap 42 made of non-magnetic or diamagnetic material to prevent the ingress of dirt and also to conceal the insight into the interior of the upper sleeve 18 , or to protect them against mechanical manipulation.
• a lower lower pin 40 is additionally accommodated in the lower sleeve 22, which is urged by third elastic means in the form of a third spiral compression spring 44 against the central upper pin 16, which is made of a hardened, magnetizable material and attracted by the first key-side permanent magnet 30.
• the first permanent magnet 30 has an additional projection 46, which has a length matched to the length of the central upper pin 16, so that the axial end face of the central upper pin 16 and of the central lower pin 40 run exactly at the level of the separating plane 8 when the key-side locking pin 24 is inserted into the bore 10, as shown in Fig. 3b.
• the upper sleeve 8 and / or the lower sleeve 22 can, if desired, be made in two parts, in order to enable production in the first place, when one of the sleeves accommodates elastic means which are located inside support the sleeve on a collar 38, as in the
• a central lower pin 40 is also included in the lower sleeve 22, and the upper pin 16 in the interior of the top closed by a cap upper sleeve 18 with a parallel to the longitudinal axis of the bore 10 polarized second Permanent magnet 32 is provided, whose polarization direction of the polarization direction of the first Schierung Schoen Permanent magnet 30 is directed counter to, so that between the central upper pin 16 and the key-side closing pin 24, a repulsive magnetic force is generated, which drives it into the bore 10.
• the central upper pin 16 has a length such that the repulsive magnetic force of the separating plane side end of the same moves into the region of the parting plane 8 when the key-side locking pin 24 is fully inserted into the bore 10, wherein at the lower end of the central lower pin 40 a stop 41 may be provided, which limits the movement of the central lower pin 40 away from the parting line 8, as shown in Fig. 4b.
• the edges of the central lower pin 40 and / or also of the central upper pin 16 can have a chamfer 48 in order to reliably ensure the unlocking even with a slightly fluctuating magnetic force.
• the locking device 1 has, according to a further embodiment, a nose-like projection 50 with a chamfer in the form of a steadily rising sliding surface 52 on the separating-side end face of the central upper pin 16.
• a further nose-like projection 54 is formed, which has a chamfer 56 in the form of a continuous rising to the top 68 of the central lower pin 40 sliding surface.
• the nose-like projections 50 and 54 are designed to be complementary to one another in such a way that, in the position shown in FIG. 5a, they engage in a tooth-like manner.
• the upper sleeve 16 has on its outer side a projection 58, which is guided in a longitudinal groove 60 in the locking element 4 in order to prevent a circumferential twisting of the upper sleeve 18.
• Upper sleeve 18 is formed by a peripheral groove 62 circulating through 180 °, which receives a projection 64 arranged on the central upper pin 16, and which forms a stop when the upper pin 16 from its circumferential in Fig. 5a and 5c shown Locking position is rotated by inserting an authorized key-side closing element 24 in the circumferential release position shown in Fig. 5b, in which the tips 66 and 68 of the nose-like projections 50 and 54 lie on each other.
• the rotation of the upper pin 16 from the circumferential locking position to the circumferential release position is effected by the circumferential offset of the first key-side permanent magnet 30 relative to the second upper pin-side permanent magnet 32, which is in the embodiment of FIG. 5 in the range of 180 °.
• the central lower pin 40 shown in FIGS. 5a to 5c may also have a stop 41 arranged at the lower end thereof, which is shown in FIG. 5b - Limits the displacement movement of the central lower pin 40 away from the parting plane.
• Fig. 5c shows the case that a manipulated key with the lower and upper sleeve 22, 18 in the release position shifting dimensions in the bore

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• Lock And Its Accessories (AREA)
• Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
• Geophysics And Detection Of Objects (AREA)

Applications Claiming Priority (2)

Publications (2)

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ID=37685327

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• 2005
  • 2005-09-28 DE DE202005015298U patent/DE202005015298U1/de not_active Expired - Lifetime
• 2006
  • 2006-09-26 EP EP06805878A patent/EP1931843B1/fr not_active Not-in-force
  • 2006-09-26 AT AT06805878T patent/ATE455916T1/de active
  • 2006-09-26 DE DE502006005996T patent/DE502006005996D1/de active Active
  • 2006-09-26 WO PCT/EP2006/009353 patent/WO2007036348A1/fr active Application Filing

Non-Patent Citations (1)

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