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EP3680426A1 - Serrure magnétique ainsi que porte - Google Patents

Serrure magnétique ainsi que porte Download PDF

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Publication number
EP3680426A1
EP3680426A1 EP19213719.8A EP19213719A EP3680426A1 EP 3680426 A1 EP3680426 A1 EP 3680426A1 EP 19213719 A EP19213719 A EP 19213719A EP 3680426 A1 EP3680426 A1 EP 3680426A1
Authority
EP
European Patent Office
Prior art keywords
magnet
door
locking unit
door leaf
magnetic
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.)
Withdrawn
Application number
EP19213719.8A
Other languages
German (de)
English (en)
Inventor
Jörg Ellefred
Felix Kaupmann
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.)
Simonswerk GmbH
Original Assignee
Simonswerk 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 Simonswerk GmbH filed Critical Simonswerk GmbH
Publication of EP3680426A1 publication Critical patent/EP3680426A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • E05B47/004—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets the magnets acting directly on the bolt
    • 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
    • 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
    • E05B47/0046—Electric or magnetic means in the striker or on the frame; Operating or controlling the striker plate
    • E05B47/0047—Striker rotating about an axis parallel to the wing edge
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0025—Locks or fastenings for special use for glass wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/02—Locks or fastenings for special use for thin, hollow, or thin-metal wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/56—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction or operated by electric or electromagnetic means
    • 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
    • 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
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
    • E05C3/16—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C3/22—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled
    • E05C3/24—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the bolt being spring controlled in the form of a bifurcated member

Definitions

  • the invention relates to a magnetic lock with an operating unit and a magnetically actuated locking unit.
  • the operating unit has a first magnet of a magnet arrangement which can be rotated about an axis of rotation between a closed position (first functional position) and a release position (second functional position).
  • the locking unit is locked in the closed position by the magnetic field of the magnet arrangement.
  • the invention also relates to a door provided with such a lock.
  • a locking unit can be magnetically controlled by a rotatable magnet of an operating unit.
  • the locking unit is designed to prevent the movement of another object - for example a door leaf - in a locked state.
  • another object for example a door leaf - in a locked state.
  • EP 1 608 830 B1 such a magnetic lock is known in which one or more bolts for locking a door can be moved by means of a rotatable magnet.
  • the driving magnet must have a high field strength in order to ensure reliable magnetic coupling with the bolts.
  • the magnetic counterparts of the bolts are arranged in the immediate vicinity of the main magnet in order to improve the magnetic coupling. Power transmission over distances of several centimeters is not an option here.
  • strong magnetic fields can also have a disruptive effect, since these can have, for example, unwanted effects on medical products such as pacemakers or magnetic storage media such as hard disks or credit cards.
  • the object of the invention is to improve a generic magnetic lock in such a way that a secure magnetic coupling between the operating unit and the locking unit can also take place over larger distances, in particular of more than 2 cm. At the same time, unwanted side effects of the triggering magnetic field should be minimized.
  • the magnet arrangement comprises a second magnet which is oriented in the same direction in the closed position and in the opposite position to the first magnet in the release position.
  • the spatial distance between the first magnet and the second magnet of the magnet arrangement is in particular smaller than the distance between the magnet arrangement and the closing arrangement, in particular the part of the closing arrangement interacting magnetically with the magnet arrangement.
  • the distance between the magnet arrangement and the closing arrangement is preferably at least twice as large as the distance between the two magnets.
  • the invention is based on the knowledge that two separate magnets of a magnet arrangement form an individual magnetic field per se. However, if these two magnets are brought close enough together, the two magnetic fields overlap and can be regarded as a common "far field" at sufficiently large distances. For training In addition to the strength and position of the first magnet and the second magnet, this far field is also particularly important in terms of their relative orientation.
  • the orientation of a magnet is to be understood as the direction of its leading magnetic dipole moment - in simplified terms the direction from the south pole to the north pole of a permanent magnet.
  • the orientation of the first magnet and the orientation of the second magnet are to be referred to as "in the same direction” if they - when projected onto a normal plane of the axis of rotation - enclose an angle of less than 90 °. They are to be regarded as "opposite” if they enclose an angle of more than 90 °.
  • the far magnetic field is strengthened, whereas it can weaken in the case of individual magnets arranged in opposite directions. With two magnets of similar strength aligned in anti-parallel in particular, an almost complete extinction of the magnetic far field can occur.
  • the magnetic unit in the closed position has a stronger magnetic far field than in the open position.
  • the magnetic far field can therefore be used in a closed position for magnetic transmission over larger distances.
  • the opening position has weakened to such an extent that the environment is not expected to be affected. Since the closed position is usually assumed in operating states in which the operating unit does not come into direct contact with the operator, this prevents damage, for example to medical products or magnetic storage media.
  • the alignment of the first magnet and the alignment of the second magnet each close projects an angle of less than 45 °, in particular 0 to 30 °, onto a normal plane of the axis of rotation in the closed position.
  • the relative angle between the alignment of the first magnet and the second magnet in the open position is more than 135 °, in particular between 150 ° and 180 °.
  • the locking unit has a permanent magnet which interacts with the magnetic field of the magnet arrangement.
  • the locking unit can also have a soft magnetic element which interacts with the magnetic field of the magnet arrangement. Since the magnetic field of the magnet arrangement can be switched almost “on” and “off” in the far field, such configurations are also easy to implement.
  • the magnetic element (or the permanent magnet) can preferably be integrated into the locking unit in such a way that it is locked both in the event of an attractive interaction and in the event of a repulsive interaction between the permanent magnet and the magnet arrangement.
  • the operating arrangement can thus be used universally both with left-hinged doors and with right-hinged doors and on these both on the hinge side and on the Be positioned lining side. This also increases the security of the magnetic lock. Since the magnetic field has to be reduced to unlock the locking unit, opening with a simple and unspecific permanent magnet is not easily possible.
  • the alignment of the permanent magnet — at least projected onto a normal plane of the axis of rotation — is particularly preferably aligned with the first magnet in the closed and / or open position.
  • the orientations of the first magnet and the permanent magnet run parallel or antiparallel to each other. In the height direction, they are at the same height.
  • the permanent magnet In the thickness direction, the permanent magnet is preferably arranged in alignment with the first magnet, but can also be arranged in the thickness direction between the first magnet and the second magnet. This enables good power transmission between the control unit and the clamping unit.
  • the locking unit particularly preferably has a return unit which unlocks it in the field-free or low-field state.
  • a return unit which unlocks it in the field-free or low-field state.
  • the second magnet is arranged so as to be rotatable about a second axis of rotation.
  • the magnet arrangement can also be changed between an orientation in the same direction and in the opposite direction. This will at the same time switching between the open state and the closed state is achieved.
  • a rotatable second magnet enables the realization of a second locking option such as a separate lock from the opposite side of the door or, alternatively, an emergency release.
  • the invention also relates to a door with a door leaf that can be moved between an opening position that at least partially releases a door opening and a closing position that closes the door opening.
  • the door is provided with a magnetic lock as described above. Due to the magnetic coupling, the control unit and the locking unit can be arranged separately from one another in a particularly visually appealing manner.
  • the control unit can be designed to be particularly delicate. At the same time, the magnetic field induced by the control unit in the open state is low.
  • the locking unit is designed such that in a locked state it prevents the door leaf from leaving the closed position. This is achieved in particular by positive locking of the opening movement.
  • the operating unit is preferably arranged, in particular glued, on a first front side (which extends in the lateral direction and the vertical direction).
  • the control unit preferably has an engagement to form a door handle.
  • the control unit is particularly preferably arranged on the door leaf at a distance from a side edge. A distance remains between the control unit and the locking unit. As a result, the control unit can be provided with the visual appearance of a handle, which is its locking function does not look immediately. This can lead to an elegant appearance, especially with glass doors.
  • the locking unit is expediently arranged in a frame surrounding the door opening. This improves the visual appearance of the door both in the open and in the closed state, since the locking unit is essentially invisible.
  • the second magnet of the magnet arrangement is preferably arranged in a second operating unit on a second front side opposite the first front side in the thickness direction.
  • the door leaf expediently has an extension of less than 2 cm in the thickness direction.
  • the magnetic superposition of the first magnet and the second magnet can thus take place through the door leaf. This is particularly useful for configurations in which the second magnet is rotatable to provide a secondary opening and closing function.
  • the invention can very particularly preferably be used if the door leaf is translucent, translucent and / or transparent, in particular made of clear or frosted glass. As a result, the filigree design of the lock is particularly effective.
  • the axis of rotation of the first magnet is expediently aligned perpendicular to a front surface of the door leaf.
  • the alignment of the first magnet takes place parallel to the door leaf, so that a maximum remote magnetic effect can be exerted in the direction of the door frame. Then there is in the frame or arranged on the edge of the door leaf the associated locking unit.
  • the locking unit has a latch that can be moved linearly, in particular perpendicularly to the axis of rotation. Due to the linear displacement, the bolt can be moved between a locked position and a release position. In the locked position, the bolt prevents the door leaf from moving in the closed position.
  • the locking unit has a pivotable holding body and a magnetically actuated locking element.
  • the holding body locks the door leaf in the closed position in a form-fitting manner when the locking element blocks a pivoting movement of the holding body.
  • the Fig. 1 shows a three-dimensional representation of a door according to the invention.
  • This has a door leaf 1 which is designed to close a door passage 2.
  • the door leaf 1 extends in a lateral direction x, a height direction y and a thickness direction z.
  • the door leaf 1 has a thickness d of less than 2 cm and in particular less than one tenth of the door leaf width measured in the lateral direction x and the door leaf height measured in the height direction y.
  • the door leaf 1 is designed as a pivoting door which is held on a door frame 3 so as to be pivotable about a pivot axis running in the height direction y.
  • a first operating unit 4a of a magnetic lock according to the invention is arranged on a first front side 1a of the door leaf 1.
  • a second operating unit 4b is fastened on the second front side 1b opposite the first front side 1a.
  • the first control unit 4a and the second control unit 4b are congruently arranged in the viewing direction of the thickness direction z with a distance a from the nearest side edge 1c of the door leaf and each form an engagement 5 for providing the function of a door handle.
  • a locking unit 6 for locking the pivoting movement A of the door leaf 1 is arranged in the frame 3.
  • the door frame is shown partially broken open in order to make the locking unit 6 visible.
  • the locking unit 6 comprises a frame 6a firmly connected to the door frame and a support 6b arranged therein.
  • a locking element 6c is held on the carrier 6b so as to be displaceable in the lateral direction x.
  • a permanent magnet 6d is received by the locking element 6c.
  • a plurality of holding magnets 6e are fastened in the housing 6b to provide a magnetic locking of the door.
  • the holding magnets 6e interact with a magnetizable first sheet metal strip 7a, which is attached to a side edge of the door leaf 1 and extends in the height direction y over the same area as the holding magnets 6e.
  • a second, non-magnetizable sheet metal strip 7b adjoins the first, magnetized sheet metal strip, which provides an abutment for the positive locking of the locking element 6c.
  • the second metal strip 7b is not magnetizable.
  • the first sheet metal strip 7a and the second sheet metal strip 7b are adapted to one another or are of identical design.
  • FIG. 2A and 2 B is a horizontal section through the door according to Fig. 1 represented in the middle by the permanent magnet 6d.
  • the sectional diagrams show that the first control unit 4a and the second control unit 4b have a first magnet 8a and a second magnet 8b, which together have a magnet arrangement 8a, 8b form.
  • At least the first magnet 8a is about an axis of rotation 9 between one in the Fig. 2a shown release position and one in the Figure 2B shown closed position rotatable.
  • the first magnet 8a and second magnet 8b are arranged in opposite directions.
  • the magnetic fields thus weaken each other, which is illustrated by the field lines 10 indicated by dash-dotted lines.
  • the magnetic far field acting on the bar magnet 6d of the clamping unit 6 is therefore negligible.
  • the distance c between the bar magnet 6d and the first magnet 8a and the second magnet 8b is significantly larger - more than a factor 3 larger in the exemplary embodiment - than the distance b between the first magnet 8a and the second magnet 8b.
  • the side frame spar 3 has a stepped recess 3a, which receives an end section of the door leaf 1.
  • a profile seal 11 is also provided on the stop side, which does not protrude into the door passage 2.
  • the second sheet metal strip 7b visible in the sectional view does not protrude into the door passage 2, but remains invisibly within the stepped recess 3a.
  • the door leaf 1 closes essentially flush with a mirror section 3b of the frame spar, the offset e in the thickness direction z being less than that Door leaf thickness d - in particular less than half the door leaf thickness d - is.
  • the closed state is shown.
  • the first magnet 8a now has the opposite orientation and is therefore oriented in the same direction as the second magnet 8b.
  • the far field of the two magnets 8a, 8b thus adds up, as can be seen from the field lines 10 indicated by dash-dotted lines. Due to the increased far field, a magnetic attraction is now exerted on the bar magnet 6d. As a result, the latter is deflected in the direction of the door leaf 1, so that the locking element 6c forms a positive engagement with the second metal strip 7b. This prevents the door from opening in opening direction A. If the magnetic field is no longer present, the locking element 6c is moved back into the original position by the return element 6f.
  • the locking unit has a frame 12 connected to the door frame 3 and a holding body 13 which can be pivoted about a vertical axis h within the frame 12.
  • the vertical axis h runs parallel to the pivot axis of the door leaf 1, that is to say in the height direction y.
  • a groove 13a extending in the height direction y is formed on the holding body 13.
  • FIG. 3b an unlocked position is shown in which the holding body 13 is pivotable about the vertical axis h.
  • the locking element 13b in one in the Figure 3C shown locking position are moved.
  • the locking element 13b engages in an associated receptacle 12a of the frame.
  • the locking element 13b is in positive engagement with the holding body 13, so that a pivoting movement about the vertical axis h is prevented.
  • An extension spring not shown in the figures, is preferably provided, which in the unloaded state moves the holding body into the position shown in FIG Figure 3A shown basic position pivoted, in which the end of the door leaf 1 can pivot into the groove 13a.
  • the basic principle of the magnetic lock according to the invention and various variants for driving the locking unit are in the 4A to 6C pictured.
  • the 4A and 4B show the simplest variant.
  • the locking unit 6 has a bar magnet 6d as a magnetically active component. In the exemplary embodiment, this is designed to drive a locking element 6c, which is only indicated by dashed lines.
  • the bar magnet 6d like the first magnet 8a and second magnet 8b of the magnet arrangement, is aligned in the horizontal plane (xz plane) shown. In the thickness direction z, the bar magnet 6d is arranged approximately centrally between the first magnet 8a and the second magnet 8b.
  • the first magnet 8a and the second magnet 8b are arranged in opposite directions, so that the far magnetic field - indicated by the field lines 10 - is weakened.
  • the locking element 6c is held in a retracted release position by the return element 6f.
  • An alternative embodiment is in the 5A to 5C shown.
  • the locking element 6c is driven via a magnetizable core 6g.
  • attraction by the first magnets 8a and 8b oriented in the same direction is independent of the overall orientation of the far field.
  • the elementary magnets arranged within the magnetizable core 6g each align themselves under the influence of the magnetic far field 10 in such a way that magnetic attraction occurs. With such a configuration, the operating state between the open position and the closed position can be achieved by rotating both the first magnet 8a and the second magnet 8b.
  • FIGS Figures 6A to 6C A further embodiment of the closing element, in which the closing state can be achieved, regardless of whether the north or south pole of the far field faces the closing unit, is shown in FIGS Figures 6A to 6C pictured.
  • a bar magnet 6d ′ is guided in a multi-part sleeve 14 so that it can move along the lateral direction x.
  • the sleeve 14 has a first half-shell 14a and a second half-shell 14b, each of which has a surface designed as a toothed rack.
  • the two surfaces designed as toothed racks are coupled to one another by a deflection gear 14c.
  • the two half-shells 14a and 14b are in the field-free state ( Figure 6A ) compressed by a return element 6f 'designed as a compression spring. As a result, the bar magnet 6d 'is centered within the Half shells held. Both by magnetic attraction ( Figure 6B ) as well as by magnetic repulsion ( Figure 6C ) the two half-shells 14a, 14b are pressed apart by means of the deflection gear 14c. The locking element 6c is coupled to the movement of the first half-shell 14a.
  • the drive construction of the 4A to 6C can also be used with the alternative unlocking element 3A to 3C be combined.
  • the prescribed drives can also be used in connection with the locking of sliding doors.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
EP19213719.8A 2019-01-11 2019-12-05 Serrure magnétique ainsi que porte Withdrawn EP3680426A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019100637.6A DE102019100637A1 (de) 2019-01-11 2019-01-11 Magnetschloss sowie Tür

Publications (1)

Publication Number Publication Date
EP3680426A1 true EP3680426A1 (fr) 2020-07-15

Family

ID=68806594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19213719.8A Withdrawn EP3680426A1 (fr) 2019-01-11 2019-12-05 Serrure magnétique ainsi que porte

Country Status (5)

Country Link
US (1) US11466474B2 (fr)
EP (1) EP3680426A1 (fr)
CN (1) CN111434877A (fr)
DE (1) DE102019100637A1 (fr)
RU (1) RU2019143131A (fr)

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US20230147481A1 (en) * 2021-11-09 2023-05-11 Frameless Hardware Company Llc Magnetic door lock control system and method

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DE102019100643A1 (de) * 2019-01-11 2020-07-16 Simonswerk Gmbh Türbedienanordnung sowie Tür
US20220056733A1 (en) * 2020-08-20 2022-02-24 Cameron Neil Carr Magnetic privacy lock control
US12000176B2 (en) * 2021-09-13 2024-06-04 The Boeing Company Latching systems and methods
CN116312661B (zh) * 2023-05-22 2023-08-11 深圳市慧为智能科技股份有限公司 硬盘连接结构及网络储存装置
USD1040640S1 (en) * 2024-05-12 2024-09-03 Shenzhen City Qianhai Shengda Industrial Co., Ltd Magnetic screen door reinforcement

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RU2019143131A (ru) 2021-06-23
DE102019100637A1 (de) 2020-07-16
US11466474B2 (en) 2022-10-11
US20200224455A1 (en) 2020-07-16

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