EP1608830A1 - Dispositif de fermeture magneto-mecanique - Google Patents

Dispositif de fermeture magneto-mecanique

Info

Publication number
EP1608830A1
EP1608830A1 EP04721833A EP04721833A EP1608830A1 EP 1608830 A1 EP1608830 A1 EP 1608830A1 EP 04721833 A EP04721833 A EP 04721833A EP 04721833 A EP04721833 A EP 04721833A EP 1608830 A1 EP1608830 A1 EP 1608830A1
Authority
EP
European Patent Office
Prior art keywords
door
locking
permanent magnet
locking device
closing element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04721833A
Other languages
German (de)
English (en)
Other versions
EP1608830B1 (fr
Inventor
Klaus Peter Drumm
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.)
Drumm GmbH
Original Assignee
Drumm GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Drumm GmbH filed Critical Drumm GmbH
Publication of EP1608830A1 publication Critical patent/EP1608830A1/fr
Application granted granted Critical
Publication of EP1608830B1 publication Critical patent/EP1608830B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E05C19/163—Devices holding the wing by magnetic or electromagnetic attraction a movable bolt being held in the striker by a permanent magnet
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
    • E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/16—Devices holding the wing by magnetic or electromagnetic attraction
    • E05C19/166—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic
    • E05C19/168—Devices holding the wing by magnetic or electromagnetic attraction electromagnetic a movable bolt being electromagnetically held in the striker by electromagnetic attraction
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/08—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with a rotary bar for actuating the fastening means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/60—Adjustment provisions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/11—Magnetic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/70—Operating mechanism
    • Y10T70/7051—Using a powered device [e.g., motor]
    • Y10T70/7057—Permanent magnet

Definitions

  • the invention relates to a magneto-mechanical locking device for closing a door or a window according to the preamble of claim 1.
  • Doors and windows of buildings, vehicles, pieces of furniture and safes etc. are locked in a known manner by mechanically operated locks, for example by cylinder locks, cross bolt locks and the like.
  • a magneto-mechanical locking device for locking a door that is movable relative to a stationary frame, for example a car door, a building door, a safe door or else a window, comprises a locking element made of magnetizable material, for example made of magnetizable steel or iron, arranged in the frame. which interacts with a permanent magnet attached to the door.
  • the permanent magnet is rotatably received on the door or window in the manner according to the invention, and can preferably be rotated mechanically by hand from a first release position, in which essentially no magnetic force is exerted on the closing element, into a second locking position, in which the Closing element on the fixed frame is attracted by the magnetic forces exerted by the permanent magnet and locks the door or window in its closed position.
  • the advantage of the invention is that, due to the remote effect of the magnetic forces, larger fluctuations in the distance between the frame-side closing element and the magnet, such as those caused by seasonal temperature fluctuations, are compensated for.
  • Another advantage of the device according to the invention is that it works almost without wear and has only a very small number of moving parts compared to the mechanical locking devices. This saves considerable costs, particularly in the manufacture of the magneto-mechanical locking device according to the invention, since the tolerance of the individual parts, in contrast to mechanical locking devices, can be chosen to be larger with a comparable security standard.
  • projections are formed on the closing element, which engage in the locking position in associated receptacles of the door, and thereby generate a positive connection activated by the magnetic forces.
  • the projections are preferably formed by pins or lugs which engage in associated bores or grooves on the door, which preferably extend over the entire length of the closing element.
  • the closing element is preferably formed by a striking plate which is movable relative to the stationary frame of the door or window and which, in the second locking position, forms a positive connection locking the door or the window with the permanent magnet or with the associated part of the door.
  • the locking element can be formed by a locking bolt which is accommodated in a linearly movable manner in a guide bore formed in the frame. This results in a mechanically particularly simple and inexpensive embodiment of the locking device according to the invention.
  • further permanent magnets are arranged on the side of the closing element facing away from the door, which generate a reduced magnetic force on the door compared to the permanent magnet.
  • the size and the magnetic field of the other permanent magnets are selected in such a way that the closing element is attracted by the permanent magnet of the door in the locking position and the door is locked, but in the release position, however, is pushed away from the door by the other permanent magnets and that Locking the door releases.
  • spring-elastic means for example a spiral tension spring, in place of the further permanent magnet, which hold the closing element in the same way in the release position in which the magnetic field in the region of the closing element is not or almost nonexistent. Push away from the door and thereby cancel the locking effect. In the locking position, the closing element is then attracted towards the door by the considerably higher magnetic forces of the permanent magnet against the action of the spring-elastic means until it abuts the door edge or the magnet.
  • the permanent magnet is formed by a cylindrical or rod-shaped magnet, which is preferably in the transverse direction, i.e. is polarized in the direction perpendicular to the longitudinal axis of the magnet, and which is accommodated in a housing which is essentially closed in the circumferential direction and is made of magnetizable material, for example of iron.
  • the bore formed for this purpose in the housing has a slightly larger diameter than the magnet, and preferably serves at the same time for mounting the magnet.
  • the magnet can be formed from a known permanent magnetic material, for example from ferrite, or, in a particularly high-quality embodiment, from cobalt samarium or another rare earth material which generates a very high magnetic force.
  • the fastening of the magnet can advantageously also be carried out from the inside of the door with the aid of screw bolts which are guided through longitudinal bores formed in the housing of the magnet and which can be screwed into the corresponding threaded bores of a door fitting in a known manner is arranged on the outside of the door to protect the locking mechanism.
  • a locking device can be obtained with very little effort, which can be manufactured very inexpensively due to the small number of mechanical components and which can be retrofitted with simple means to existing doors with a good protective effect against the door being broken open.
  • the orientation of the permanent magnet in the housing is preferably such that the longitudinal axis of the permanent magnet is essentially perpendicular to the plane of the door.
  • the permanent magnet extends through the door leaf in the same way as a conventional locking cylinder in the area in which the door lock is usually arranged.
  • the permanent magnet preferably has a length which is slightly less than the thickness of the door leaf, but it can also be provided that the length of the magnet is chosen to be slightly longer, and the housing of the magnet in particular to pull it out of the door leaf towards the inside of the door in order to obtain an increased magnetic force with which the closing element is tightened to lock the door.
  • the permanent magnet is preferably rotated back and forth by a mechanically rotatable actuating element on the outside of the door between the release position and the locking position, wherein the actuating element in the simplest embodiment of the invention can be provided with a knob, which is preferably by a on the outside of the Door fitting attached is hidden.
  • the magnet inserted into the door in the manner described above is driven with the aid of a protective fitting, e.g. a visor fitting or a core protection rosette, as it is manufactured by the applicant, and is described for example in German utility model DE 9317012 Ul.
  • a protective fitting e.g. a visor fitting or a core protection rosette
  • the permanent magnet is, for example, via a known polygonal shaft, e.g. Square shaft, coupled to the outer rotatable part of the security fitting, the center of rotation of which is arranged on the extension of the central central axis of the permanent magnet.
  • the magneto-mechanical locking device actuated in this way with the aid of a preferably circular, rotatable protective fitting - hereinafter also referred to as a protective escutcheon - offers excellent protection against the door being opened, and is also characterized by a very long service life , since the locking mechanism as such is subject to almost no wear.
  • the displaceable part of the protective fitting can, for example, be provided on its inside with a linear toothing in the manner of a toothed rack which engages with a pinion which is received on a shaft which can be fastened to the permanent magnet in the region of the center of rotation of the latter.
  • the permanent magnet is rotated from the locking position into the release position and thus unlocks the locking device according to the invention, since in the release position the magnetic field acting on the closing element is changed within the housing of the magnet in such a way that the area outside the permanent magnet is almost field-free, so that no more force is exerted on the closing element.
  • the protective fitting In order to lock the door, the protective fitting is moved back to the starting position and the key is removed from the protective fitting, whereby the interaction of the pinion and rack and the movement of the displaceable part of the protective fitting causes the magnet to rotate back approx. 90 ° into the Locking position takes place, in which the striking plate is attracted by the magnetic field caused by the permanent magnet with a very high force in the direction of the magnet, and there engages in the corresponding projections to lock the door.
  • electromechanical coupling which is coupled in a known manner to electronics, which can be activated, for example, with the aid of a coded microchip, in order to supply the electromechanically lockable coupling with an electrical voltage so that it engages to open the door.
  • electromechanical clutch is known for example from DE 198 29 958 AI.
  • the combination of the magneto-mechanical locking device according to the invention and the electromechanical coupling arranged between the actuating element on the outside of the door and the permanent magnet results in the advantage that the large number of coding options and the high degree of security against manipulation of a purely electronic locking device with the advantages of the magneto- mechanical locking device can be combined. It is particularly advantageous here that the forces for rotating the magnet are very low compared to known mechanical locks, even in doors with a larger number of locking devices according to the invention, due to the lack of frictional forces. As a result, both the dimensions of the electromechanical coupling and the power consumption can be kept comparatively small.
  • the longitudinal axis of the rod-shaped or cylindrical permanent magnet is oriented essentially parallel to the vertical, and runs essentially parallel and in the vicinity of the door edge.
  • the rod-shaped permanent magnet can be inserted into a corresponding pocket or recess, which is arranged on the front side of the door in the region of the vertically extending door edge.
  • the rod-shaped permanent magnets have a comparatively small diameter of, for example, 2 to 5 cm and, in contrast, a large length of up to 20 cm or more, and are in advantageously rotated via a gear, which is coupled to the rotatable actuating element, and which can be, for example, a bevel gear or other angular gear.
  • the previously described embodiment of the invention has the advantage that both the two vertically running door edges and the horizontally running top door edge arranged on the top of the door can be used to lock the door if several magnets are coupled along the edges of the door via corresponding angular gears Door are arranged and the associated areas of the door frame are provided with corresponding striking plates which are tightened when the permanent magnets are rotated from the release position into the locking position towards the door in order to lock them to produce a positive connection.
  • a plurality of permanent magnets are coupled to one another in a rotationally fixed manner via corresponding shafts, the coupling being able to take place, for example, in the corner regions of the door edge via correspondingly designed bevel gear transmissions or other angular transmissions.
  • the locking device can be constructed modularly in the manner of a modular system, any number of rod-shaped permanent magnets being connected to one another in a torsionally rigid manner via associated shafts, for example by plugging into one another, in order to create a door, a window and the like with a desired one Equip number of magnets.
  • the door or the window can be provided in a very simple way with a self-locking mechanism by which the permanent magnet in its housing is automatically rotated from the release position into the locking position when the door is closed.
  • the self-locking mechanism in this case preferably comprises a toothed rack which engages on the permanent magnet or on a shaft which is rotationally fixedly coupled to the permanent magnet via a corresponding pinion, which is preferably received in a linear guide in the door, and the magent when the toothed rack is displaced in the direction of the closing element the locking position rotates so that the magnetic forces are automatically activated after the door is closed and attract the closing element to lock the door.
  • the rack is preferably driven by a third permanent magnet, which is connected, for example, to the end of the rack on the door frame side, and which, when the door is closed, is made of a part of the door frame made of magnetizable material, for example of sheet iron, or else by the closing element itself from the Door is moved out towards the closing element and thereby moves the rack, which in turn rotates the permanent magnet into the locking position.
  • a third permanent magnet which is connected, for example, to the end of the rack on the door frame side, and which, when the door is closed, is made of a part of the door frame made of magnetizable material, for example of sheet iron, or else by the closing element itself from the Door is moved out towards the closing element and thereby moves the rack, which in turn rotates the permanent magnet into the locking position.
  • the housing of the permanent magnet or generally the permanent magnet can be surrounded by an electrical coil in which the coil turns are arranged in such a way that the permanent magnet is dependent on the direction of an electrical current flowing through the coil between the locked position and the Can turn the release position back and forth.
  • the coil windings are wound around the housing of the permanent magnet in such a way that the longitudinal axis of the coil preferably runs perpendicular to the longitudinal axis of the permanent magnet, which in this case is also rod-shaped if possible.
  • other configurations of the current-carrying coil are also conceivable.
  • This embodiment has the advantage that the door can be automatically opened centrally, for example when it is designed as an escape door, in the event of a fire, or it can be automatically locked electrically when it is designed as a fire protection door without the permanent magnet having to be rotated by hand for this purpose.
  • a displaceable cross bar is accommodated on the door in a known manner, which interacts, for example, with the permanent magnet via a further magnet, in such a way that the cross bar as a result of the magnetic force effect when the permanent magnet is rotated from the release position in the locking position is also moved into its locking position.
  • the magnetic force effect can be generated, for example, by one or more disc-shaped or rod-shaped permanent magnets, which are arranged on the side of the permanent magnet opposite the closing element, and which are caused by the magnetic field that arises when the magnet is rotated into the locking position against the pulling action of a spiral tension spring or one Similar resilient means are moved away from the housing of the permanent magnet, so that the cross bar can engage in a known wall receptacle, which is arranged on the edge of the door frame in the region of the door joints. The cross bar is withdrawn from the wall holder to release the door after the magnet has been turned into the release position with the magnetic force released by the spring-elastic means.
  • a peg-shaped or hook-shaped on the striking plate or on the striker To provide a projection, which may have a T-shaped head, for example, and which, in the closed position of the door when the magnet is rotated into the locking position, engages in a circumferential receiving groove correspondingly formed in the magnet, which groove widens towards the center of the magnet, that the head, for example, T-shaped, engages in the groove and, in addition to the magnetic forces and the form-fitting connection of the closing element, positively locks the door in the region of the magnet.
  • a projection which may have a T-shaped head, for example, and which, in the closed position of the door when the magnet is rotated into the locking position, engages in a circumferential receiving groove correspondingly formed in the magnet, which groove widens towards the center of the magnet, that the head, for example, T-shaped, engages in the groove and, in addition to the magnetic forces and the form-fitting connection of the closing element, positively locks the door in the region of the magnet.
  • the circumferential receiving groove with the cross section widening towards the inside of the magnet can also engage in the same manner in a section of hardened material which is connected to the magnet in a rotationally fixed manner and which is rotated together with the magnet.
  • a seal for example made of rubber or another known sealing material, over the entire length of the closing element, which moves together with the striking plate in the direction of the door, so that the sealing effect is advantageously caused by the magnetic force of the permanent magnet is generated on the closing element.
  • the invention was previously described in connection with a permanent magnet rotatably received on the door and a closing element made of magnetizable material provided on the stationary door frame, the invention likewise includes the reverse configuration in which the permanent magnet is rotatably attached to the stationary frame and the closing element is preferably is movably attached to a door or window.
  • FIG. 1 shows a first embodiment of the locking device according to the invention with a locking element movably received on the door frame, which is pushed away from the door by further permanent magnets, and with a cross bolt likewise actuated by the permanent magnet in the locking position,
  • FIG. 3 shows a further embodiment of the device according to the invention with a bolt-shaped closing element which engages in a recess formed in the housing of the rod-shaped permanent magnet in the locking position
  • FIG. 4 shows the embodiment of FIG. 3 in the open position
  • Fig. 5 is a schematic cross-sectional view of another, the
  • FIG. 6 shows the embodiment of FIG. 5 in the release position after turning the protective fitting
  • Fig. 7 is a schematic representation of a door with another
  • Embodiment of a locking device according to the invention in which the axes of rotation or longitudinal axes of the rod-shaped permanent magnets along the door edges in vertical and in extend in the horizontal direction and are driven by angular gears,
  • Fig. 8 is a schematic cross-sectional view of another embodiment of the
  • FIG. 9 shows the embodiment of FIG. 8 in the release position
  • Fig. 10 is a schematic representation of a self-locking device for automatically locking the door after closing it.
  • Fig. 11 is a schematic representation of a further embodiment of the
  • a magneto-mechanical locking device 1 for locking a door 4 that is movable relative to a frame 2 comprises a locking element 6, which is fastened to the frame 2 via a guide 8 in the direction of arrow 10.
  • the locking device 1 further comprises a rod-shaped permanent magnet 12 which is rotatably received in a housing 14 made of magnetizable material.
  • a magnet is known from the prior art, for example for holding tripods for cameras or dial indicators and the like.
  • Non-magnetic strip-shaped areas 16 are preferably arranged in the magnet housing 14, which can be made of aluminum, for example, and which influence the resulting magnetic field in such a way that when the magnet is rotated into the locking position shown in FIG.
  • the magnetic material passes over the housing 14 of the magnet, a magnetic force is exerted on the closing element 6, which pulls it towards the housing 14, so that projections 18 formed on the closing element engage in corresponding grooves or recesses 20 in the door 4 or in the magnet housing 14 and form a positive connection, which prevents the door 4 from opening.
  • the magnet 12 In order to release the locking of the door 4, the magnet 12 is rotated from the locking position shown in FIG. 1 into the release position shown in FIG. 2, in which the magnetic force in the area is due to the properties of the field profile of the magnetic field influenced by the non-magnetic areas 16 of the closing element 6 is canceled.
  • the closing element 6 made of magnetizable material is removed from the housing 14 by one or more further permanent magnets 22 arranged on the rear side of the closing element, which generate a magnetic force that is considerably reduced compared to the magnetic force caused by the permanent magnet 12 in the locking position of the magnet 12 moved away.
  • the door 4 is unlocked and can e.g. can be opened using a door handle.
  • a door rebate 24 is formed on the door 4 in a known manner, which prevents the contact area in which the closing element 6 bears against the door 4 or the housing 14 of the magnet 12 from being manipulated by protects outside.
  • a cross bar 26 can additionally be arranged on the inside of the door 4, which is provided at its end facing the magnet 12 with a third magnet 28 which is in the locking position shown in FIG. 1 is repelled by the field of the rod-shaped permanent magnet 12 and moves the cross bar against the action of a tension spring 30 away from the permanent magnet 12 into the locking position shown in FIG. 1, in which the second end of the cross bar 26 engages in an associated wall mount 32 for additional protection to offer against prying open the door 4.
  • the locking element 6 is designed as a locking bolt 34 which is guided in an associated guide 8 in the frame 2 and by a tension spring 36 or an additional permanent magnet (not shown in detail) in the direction of the arrow 38 is pushed away from the door 4.
  • the shape of the other end of the bolt-shaped closing element 34 is adapted to a recess 20 formed in the door 4 or in the housing 14 of the magnet 12, into which the end engages in a form-fitting manner when the bolt-shaped closing element 34 after the magnet 12 has been rotated by the magnetic forces in The direction of arrow 40 is moved from the release position shown in FIG. 4 to the closed position shown in FIG. 3.
  • the magnet 12 is rotated by a known rotatable rosette-shaped protective fitting 42, which is used, for example, in German utility model G 93 17 012 of the applicant is described.
  • the cup-shaped, rotatable outer part 44 which is arranged on the outside of the door 4 and which is arranged schematically in FIGS connected inner part 48 can be locked and unlocked with a suitable key, in its center of rotation with a shaft 50 connected to the magnet 12 in a torsionally rigid manner, which preferably engages in the center of rotation of the magnet 12.
  • the rosette-shaped protective fitting 42 is shown only schematically in FIGS. 5 and 6, and its details are known from the above-mentioned utility model.
  • the embodiment of the invention shown in FIGS. 5 and 6 has a very compact and robust construction and, due to the very large number of coding possibilities of the rosette-shaped protective fitting 42, offers a very good protective effect.
  • the position of the magnet 12 within the housing 14 for the release and locking shown in the figures is only exemplary and can, if desired, be changed depending on the respective requirements for the adjustment path by appropriate polarization of the magnet.
  • one or preferably also a plurality of rod-shaped magnets 12 are arranged in the region of the door edge, the longitudinal axis of the permanent magnets 12 extending essentially parallel to the door edge.
  • the magnets 12 are coupled to one another via corresponding shafts 52 and are driven by known angular gear mechanisms 54, which in the embodiment of FIG. 7 are designed as bevel gear mechanisms.
  • one or more magnets 12 extending in the horizontal direction can be arranged in the area of the upper one Edge 56 can be arranged, which interact in the same way as the other magnets with one or more closing elements 6, which are movably received in schematically illustrated guides 8, and depending on the rotational position of the magnets 12 in the manner described above, against a restoring force, for example of additional permanent magnet 22 is generated, tightened to lock the door 4.
  • the rotation of the permanent magnets 12 from the release position into the locking position is preferably generated by a rosette-shaped protective fitting 42.
  • the closing elements 6 are preferably designed as continuous closing plates, to which a sealing element, which extends over the entire length of a closing element 6, is advantageously fastened, but is not shown in FIG. 7 for reasons of illustration technology.
  • the locking element 6 which extends over the entire length of the door or at least over a section thereof, engages with corresponding nose-shaped projections in the locking position shown in FIG. 8 58 into a correspondingly designed longitudinal groove-like recess 60 in the door 4, and thereby forms a positive connection in the locking position over the entire length of the door edge.
  • the permanent magnet 12 is also in one in this embodiment of the invention.
  • Housing 14 housed, which in a correspondingly shaped pocket in the area the door edge can be inserted, and preferably extends over the entire length of each individual magnet 12.
  • a self-locking mechanism 62 is preferably arranged in the door edge area, which comprises a rack 64 which can be moved in the direction of the double arrow 66 in a guide (not shown) ,
  • the rack 64 is in mesh with a pinion or gear 68, which is non-rotatably coupled to one of the shafts 52 or directly to the magnet 12 shown schematically in broken lines in FIG. 10.
  • the end of the rack 64 near the door frame 2 is preferably connected to a third permanent magnet 70 which, when the door 4 is closed, moves in the direction of the closing element 6 or door frame 2 due to the interaction with the closing element 6 or with a corresponding magnetizable part of the door frame 2 is, and thereby the gear 68 rotates, which in turn rotates the magnet 12 from the release position to the closed position.
  • the magnet 12 is then rotated back into the release position via the associated gear 54 and the actuating device, which can usually only be done with the aid of the associated key when using a rosette-shaped protective fitting 42.
  • the gearbox or the rosette-shaped protective fitting 42 can be provided with a correspondingly designed freewheel or a one-way clutch, which is not shown in the drawings for reasons of illustration.
  • the closing element 6 in the embodiment of FIG. 7 has an end section provided with a T-shaped head 72, which engages in a groove-shaped or pocket-shaped recess 74 in the locking position of the magnet 12, which engages in the magnet 12, or in a section 76 made of hardened material and connected in a rotationally fixed manner to the magnet 12, in order to ensure an additional mechanical locking of the door 4 in the locking position of the magnet.
  • an electrical coil 80 can be formed around the permanent magnet 12, the coil turns of which are oriented in such a way that the magnetic field produced depends on the direction of the coil 80 flowing electrical current rotates the permanent magnet 12 from the locking position to the release position and back.
  • the coil 80 is only shown in FIG. 4.
  • the coil provides the possibility of providing the locking device 1 according to the invention with an electrically controlled emergency lock or release which, for example, enables all emergency escape doors of a building to be opened centrally in the event of a fire.
  • Locking device frame door locking element guide arrow permanent magnet housing of the permanent magnet non-magnetic areas projections on locking element grooves / recesses further permanent magnets door latch cross bolt further magnet tension spring wall mount for cross bolt bolt-shaped locking element tension spring arrow in Fig. 4 arrow in Fig. 3 rosette-shaped protective fitting cup-shaped rotatable outer part arrangement of separating pins Inner part shaft shaft angular gear upper edge of the door nose-shaped projection longitudinal groove-like recess self-locking mechanism rack double arrow gear third permanent magnet T-shaped head pocket-shaped recess section of hardened material current-carrying coil

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Lock And Its Accessories (AREA)
  • Closing Of Containers (AREA)
  • Pipe Accessories (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Special Wing (AREA)
EP04721833A 2003-03-19 2004-03-19 Dispositif de fermeture magneto-mecanique Expired - Lifetime EP1608830B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10312269 2003-03-19
DE10312269A DE10312269A1 (de) 2003-03-19 2003-03-19 Magneto-mechanische Schließeinrichtung
PCT/EP2004/002883 WO2004083578A1 (fr) 2003-03-19 2004-03-19 Dispositif de fermeture magneto-mecanique

Publications (2)

Publication Number Publication Date
EP1608830A1 true EP1608830A1 (fr) 2005-12-28
EP1608830B1 EP1608830B1 (fr) 2009-10-21

Family

ID=32920970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04721833A Expired - Lifetime EP1608830B1 (fr) 2003-03-19 2004-03-19 Dispositif de fermeture magneto-mecanique

Country Status (8)

Country Link
US (1) US7267378B2 (fr)
EP (1) EP1608830B1 (fr)
CN (1) CN100417784C (fr)
AT (1) ATE446430T1 (fr)
AU (1) AU2004221673A1 (fr)
CA (1) CA2540421A1 (fr)
DE (2) DE10312269A1 (fr)
WO (1) WO2004083578A1 (fr)

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AU2004221673A1 (en) 2004-09-30
US7267378B2 (en) 2007-09-11
CA2540421A1 (fr) 2004-09-30
EP1608830B1 (fr) 2009-10-21
CN1777731A (zh) 2006-05-24
DE10312269A1 (de) 2004-09-30
CN100417784C (zh) 2008-09-10
ATE446430T1 (de) 2009-11-15
DE502004010266D1 (de) 2009-12-03
WO2004083578A1 (fr) 2004-09-30
US20060049645A1 (en) 2006-03-09

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