EP2093358A1 - Dispositif de fixation de portes à l'aide d'une traction magnétique - Google Patents

Dispositif de fixation de portes à l'aide d'une traction magnétique Download PDF

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Publication number
EP2093358A1
EP2093358A1 EP20080405052 EP08405052A EP2093358A1 EP 2093358 A1 EP2093358 A1 EP 2093358A1 EP 20080405052 EP20080405052 EP 20080405052 EP 08405052 A EP08405052 A EP 08405052A EP 2093358 A1 EP2093358 A1 EP 2093358A1
Authority
EP
European Patent Office
Prior art keywords
door
magnetic
tilting
housing
cover plate
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Withdrawn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
EP20080405052
Other languages
German (de)
English (en)
Inventor
Viktor Bosshard
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.)
Jos Berchtold AG
Original Assignee
Jos Berchtold AG
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 Jos Berchtold AG filed Critical Jos Berchtold AG
Priority to EP20080405052 priority Critical patent/EP2093358A1/fr
Priority to EP20090712188 priority patent/EP2250334B1/fr
Priority to PCT/CH2009/000066 priority patent/WO2009103177A1/fr
Priority to US12/918,514 priority patent/US8382169B2/en
Publication of EP2093358A1 publication Critical patent/EP2093358A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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

Definitions

  • the present invention is an apparatus according to the preamble of the first independent claim. It serves to detect doors by means of magnetic attraction.
  • Magnetic door stoppers are known in the art with magnetic parts installed in the door and in the floor, which cause a door which moves over the magnetic part positioned in the floor to be stopped.
  • CH 383,822 discloses, inter alia, a stop device in which a built-in permanent magnet in the door, a movable ferromagnet, which is embedded in the ground, lifts and pulls in a slot constructed for the door. This will stop further movement of the door in the same direction.
  • the magnetic attraction of a conventional permanent magnet is too small to hold the door firmly.
  • US 6,321,411 addresses this problem and discloses a magnetic doorstop, which consists of a bottom component with a movable ferromagnetic plate and a door component.
  • the door component contains not only a magnet but also an elastic element, wherein the movable plate of the Ground component engages by means of magnetic attraction in this door component and is additionally fixed by means of the elastic element.
  • the ground-mounted movable member is made of magnetic or ferromagnetic material which is susceptible to corrosion and visual appearance.
  • the present invention has for its object to provide a retractable magnetic locking device which overcomes the aforementioned disadvantages of the prior art.
  • the inventive device for detecting or stopping a door relative to a stationary structure by means of magnetic attraction has at least one tiltable tilting element and a counter element, in which engages the tilting element in magnetic attraction, on. In a locked position, the tilting element engages in the counter element and the door is stopped and optionally locked, whereas in a lowered position, the tilting element sunk and the door is movable.
  • the tilting element in this case has a first magnetic element and the counter element has a second magnetic element, wherein at least one of these magnetic elements is a permanent magnet or electromagnet, whereas the other magnetic element may be made of ferromagnetic material soft magnetic or magnetizable.
  • the tilting element and the counter element are with respect to each other so that they can be brought by magnetic attraction between the first and second magnetic element in the locking position, whereby further relative movement between the door and the fixed structure, for example, a building part such as floor, wall or ceiling, either prevented or at least one Movement in the same direction is stopped.
  • the tilting element is mounted on or in the stationary structure and the counter-element is mounted on or in the door, or conversely, the tilting element is mounted on the door and the counter-element on the stationary structure.
  • the tilting element in this case also has a cover plate made of non-magnetic material, wherein the cover plate is flush with the surface of the stationary structure or rests on the surface of the stationary structure and optionally aligned with a mounted on the stationary structure panel.
  • the locking device according to the invention thus causes a stopping and, if necessary, a holding of doors.
  • the device according to the invention determines the choice of size and energy product (equivalent to energy density, SI unit kJ / m 3 ) of the permanent elements or the strength of the magnetic field of the electro-magnetic elements, how large the retention force magnetic attraction for a door of predetermined construction. As the case requires, it will be sufficient to stop the relevant door or to lock it in the stopped position as well.
  • a permanent magnet or an electromagnet with a sufficiently high energy product or sufficiently strong magnetic field is necessary for the specific application situation, since the solid cover plate, the magnetic attraction, which usually also in the locked position at least partially between the first and the second magnetic element, the magnetic attraction significantly weakens.
  • the counter element is installed at the bottom end in a door and installed the tilting sunk at a desired location on the ground, that the door, as soon as it sweeps over the tilting element, stopped and optionally locked.
  • the tilting element can also be installed or attached in or on a wall or a ceiling.
  • the inventive device is also suitable for detecting doors relative to stationary structures, which are independent of buildings, such as fence posts or walls, on which a door or a gate is stopped or detected.
  • the tilting element or the counter element is mounted on a wall, on a floor or on a ceiling of a vehicle instead of on a stationary structure.
  • a door or a gate can also be held in two different positions, for example by mounting a counter element on the underside and a second counter element in the front side of the door, and correspondingly the one tilting element at a desired position, for example is mounted on a wall or on a fence post and the other tilting element at the other desired location on the ground.
  • the one tilting element at a desired position for example is mounted on a wall or on a fence post and the other tilting element at the other desired location on the ground.
  • several tilting elements are basically at any desired positions can be installed on the same or on different stationary structures, and also for the installation of the counter element is analogous variability such as that one or two counter-elements are mounted on the same front side of the door, and so on.
  • the door can be guided from one to the other locking position with a slight pressure or tension on the door leaf, which overcomes the magnetic attraction between the tilting element and the counter element.
  • the device according to the invention also fulfills the function of a conventional door latch in such and also in other applications, wherein a user exerts the pressure or tension directly on the door leaf or on a handle fastened to the door.
  • Such an embodiment is particularly well suited, for example, for stopping and optionally locking a garden door which is only half-height, for example, which can thus be opened without a handle and possibly also without a handle, at least in one direction even without a hand.
  • the distribution of tilt and counter element on the door and stationary structure can be reversed.
  • an axle anchored in a component of the tilting element rotatably holds it in the component, the tilting element being sunk either in a cavity of the stationary structure or the door. In the retracted position, the tilting element falls back into the cavity. It can also be withdrawn into the cavity with a known means such as a spring or with a third magnetic element.
  • the cover plate over the first magnetic element protruding so that the protruding edge portion in the retracted position rests on the surface of the stationary structure, while the first magnetic element is recessed in the cavity.
  • the stationary structure has a complementary depression for the resting edge region so that the surface of the cover plate in the retracted position is flush with the surface of the stationary structure.
  • the tiltable tilting element is equipped with a housing.
  • the tilting tilting element and the housing together form a locking element. But it can also be called a housing used without tilting element as a locking element.
  • the tilting element can be installed either in the stationary structure or in the door, wherein the housing is at least partially retractable.
  • the tilting element is installed in the floor, in the wall or in the ceiling and the counter element in the door.
  • the cover plate is preferably protruding over the first magnetic element so that the protruding edge region in the sinking position rests on the surface or in a recess of the surface of the stationary structure, while the first magnetic element in the housing at least partially into a cavity the stationary structure is sunk.
  • the housing has a retractable substructure and a panel.
  • the side walls of the substructure define the cavity in which the tilting element in the retractable position falls behind or is retrieved.
  • a bottomless substructure is made very easily and inexpensively by sawing off sections of a square tube. Before cutting, holes are drilled in the square tube for one axis of the tilting element.
  • the panel rests on the substructure and on a surface of a building part, wherein the panel is fastened, for example, to welding points on the substructure and by means of screws or adhesive on the building part.
  • the aperture and the cover plate of the tilting element made of the same material and are coordinated such that the top of the cover plate is aligned with the top of a panel of the housing as soon as the tilting element is in the retractable position.
  • the thickness of both the panel and the cover plate is in a range of 0.1 cm to 2 cm and in other preferred embodiments does not exceed 0.5 cm or 1 cm thickness.
  • the outer edge of the bezel is chamfered.
  • the material for the cover plate and the diaphragm is a corrosion-resistant metal or a corrosion-resistant metal alloy, in particular a stainless steel or chrome steel.
  • the same material is used for the cover plate and the diaphragm, wherein besides the solid properties such as resistance to cleaning methods, optionally weather resistance, also relevant aesthetic aspects can be taken into account for a particular application.
  • cover plates and / or panels are suitable made of color-matched stable particular impact-resistant plastic, hardwood or other materials.
  • the cover plate of the tilting element and the aperture of the housing are equipped with a chrome steel plate of the same thickness.
  • This preferred embodiment is characterized by high quality in terms of mechanical stability, corrosion resistance and optical appearance and is at the same time both in the manufacture and in the assembly of the tilting element particularly simple and therefore inexpensive.
  • a third magnetic element This works as a return bar magnet and pulls the tilting element back into the lowered position, if the tilting element does not engage in the counter element.
  • the third magnetic element is usually a part of the substructure of the housing and may for example be integrated in a housing wall or a housing bottom.
  • Either at least the first magnetic element is a permanent or electromagnet, wherein the second and optionally the third magnetic element may also be soft ferromagnetic, or the second and the third magnetic element are a permanent or an electromagnet, if the first magnetic element is a soft ferromagnetic element ,
  • the first magnetic element is a soft ferromagnetic element
  • these embodiments are constructed so that the magnetic attraction between the first and second magnetic members is stronger than that between the first and third magnetic members.
  • a magnetic and a mechanical return mechanism for example by means of a spring can be used.
  • Such magnetic materials include, for example, compounds containing rare earth elements, in particular known high energy magnetic materials such as samarium cobalt or preferably neodymium-iron-boron are used.
  • high energy magnetic materials such as samarium cobalt or preferably neodymium-iron-boron are used.
  • the counter-element has a reinforcing element for receiving and distributing the forces which arise during the engagement of the tilting element in the counter-element.
  • this reinforcing element can fulfill various functions, in particular: fastening and protection of the second magnetic element, reinforcing the door at the location where the cavity for the counter element was created, absorbing the forces which arise on a violent impact of a door on the tilting element can, and distribution of these forces on a larger area, as well as protection of the underlying door material.
  • a reinforcing member which protects the second magnetic member is made of a metal plate having a larger area than the adjacent surface of the second magnetic member, so that it can be fastened with a plurality of screws in the door.
  • a metal plate which is larger than the impact surface of the engaging tilting element distribute the impact forces over a greater extent in the door, which is particularly relevant insofar as the cavity, which is provided for the engagement of the tilting element, the door weakens sensitively at this point.
  • a preferred embodiment of a reinforcing element covers both sides of the notch in the door and is made of one piece, for example, made of an angle plate or angle profile, wherein the one leg of the angle profile for receiving and better distribution of forces resulting from the engagement of the tilting element serves, and the second leg covers the second magnetic element in the direction of the engaging tilting element.
  • the reinforcing element it has a buffer area made of elastic material, which may comprise one or both leg areas.
  • the inventive devices are preferably used for fire doors.
  • a door with a remote-controlled door closer is kept open and closed in the event of fire and engages in a device according to the invention.
  • the locking element can easily be mounted in the middle of the corridor in a busy space zone on the ground, as it is flush or almost flush with the ground surface can be installed.
  • the first and / or second magnetic element comprises an electromagnet, care being taken that the choice of the magnetic core and amperage achieves a sufficiently strong magnetic attraction between the magnetic elements to reduce the attenuating effect of the magnetic elements Overcome cover plate.
  • Variants of the device according to the invention with a magnetic element which is electromagnetic can in principle be combined with other preferred embodiments. Since the magnetic attraction of the electromagnets on the regulation of the power supply is adjustable, such inventive Devices used in particular for fire doors.
  • a fire door is normally kept open under power supply by means of a locking element of a first device according to the invention comprising an electromagnet. In case of fire, the door automatically falls by interrupting the power supply and locks in the locking element of a second inventive device, which has a permanent magnet.
  • a door is equipped with a door closer and a locking device according to the invention, wherein the force of the door closer exceeds the retaining force of the locking device.
  • the inventive device acts as a retractable doorstop for a classic situation in which the door should be closed automatically with the door closer.
  • the retention force of the detent exceeds the force of the door closer acting on the detent.
  • the door closer is less strong than the locking device. In this configuration, the door remains open only when it is opened until the tilting element engages the counterpart element, whereas otherwise it automatically closes.
  • FIGS. 1 to 3 show a preferred embodiment of the invention, wherein like numbers respectively denote like parts:
  • a tilting tilting element 1 is installed in the bottom and equipped with a cover plate 3 made of chrome steel and with a retractable housing 6 with a diaphragm 7 also made of a chromium steel plate of the same thickness.
  • the tilting element 1 and the housing 6 together form a Locking element 12.
  • a tilting element 1 used without a housing 6 can also be referred to as a locking element 12.
  • a counter element 21 is installed in the lower end or lower edge of a door 26.
  • a notch 23 of the counter element 21 is provided for receiving the tilted-tilt element 1.
  • the notch 23 is covered with an angle profile 24, for example made of metal or plastic.
  • the surface of the angle profile 24 is equipped with a buffer area 25 of elastic material such as rubber. In the FIG. 3 For example, an embodiment without buffer area 25 is shown.
  • the tilting element 1 is equipped with a first magnetic element 2 and the counter element 21 with a second magnetic element 22.
  • the second magnetic element 22 is a permanent magnet.
  • Figures 1 and 2 show the locking member 12 in a retractable position, wherein the cover plate 3 and the housing cover 7 of the locking element 1 lie flat on a bottom surface 13 and / or an upper edge of a substructure 10 of the housing 6, so that the first magnetic element 2 recessed in the ground and the door 26 is movable.
  • the cover plate 3 is preferably fixedly connected to the first magnetic element 2 and rests with a over the first magnetic element 2 projecting edge region 4 on the bottom 13 and the substructure 10 on.
  • the protruding edge region 4 is arranged on that side of the cover plate 3, which is opposite to a tilting axis 5.
  • the housing wall 8 is preferably made of a piece of square tube, for example made of metal or plastic with holes for the tilting axis 5, which penetrates the housing wall 8 and the first magnetic element 2.
  • the tilting element 1 can be tilted about the tilting axis 5 at an angle of approximately 15 ° to 30 ° or preferably up to 45 ° or 60 ° and up to a maximum of 90 °.
  • An optional housing bottom 9 is attached to the lower end face of the housing wall 8 of.
  • the housing wall 8 and the optional housing bottom 9 together form the substructure 10 of the housing 6 of the locking element 12.
  • a hole for the cover plate 3 is cut out.
  • the panel 7 is connected, for example, via a plurality of welding points with the upper end side of the substructure 10.
  • the panel 7 can be fastened with screws 11 on the bottom surface 13.
  • FIG. 3 shows the locking member 12 in a locked position in which the door 26 found, that is stopped or locked.
  • the tilting element 1 engages in the counter-element 21 in the door 26 by magnetic attraction between the first 2 and the second 22 magnetic element.
  • the cover plate 3 firmly connected to the first magnetic element 2 engages in a notch 23 of the counter element 21.
  • the cover plate 3 of the tilting element 1 on the counter element 21 of the shorter leg 24a of the angle section 24 reinforces the notch 23 of the counter element 1 of the stopped door 26, and the longer leg 24b protects and holds the second magnetic element 22 of the counter element 21 in the door 26 firmly.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Lock And Its Accessories (AREA)
EP20080405052 2008-02-20 2008-02-20 Dispositif de fixation de portes à l'aide d'une traction magnétique Withdrawn EP2093358A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20080405052 EP2093358A1 (fr) 2008-02-20 2008-02-20 Dispositif de fixation de portes à l'aide d'une traction magnétique
EP20090712188 EP2250334B1 (fr) 2008-02-20 2009-02-17 Dispositif pour immobiliser des portes par attraction magnétique
PCT/CH2009/000066 WO2009103177A1 (fr) 2008-02-20 2009-02-17 Dispositif pour immobiliser des portes par attraction magnétique
US12/918,514 US8382169B2 (en) 2008-02-20 2009-02-17 Device for securing doors using magnetic attraction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20080405052 EP2093358A1 (fr) 2008-02-20 2008-02-20 Dispositif de fixation de portes à l'aide d'une traction magnétique

Publications (1)

Publication Number Publication Date
EP2093358A1 true EP2093358A1 (fr) 2009-08-26

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP20080405052 Withdrawn EP2093358A1 (fr) 2008-02-20 2008-02-20 Dispositif de fixation de portes à l'aide d'une traction magnétique
EP20090712188 Active EP2250334B1 (fr) 2008-02-20 2009-02-17 Dispositif pour immobiliser des portes par attraction magnétique

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20090712188 Active EP2250334B1 (fr) 2008-02-20 2009-02-17 Dispositif pour immobiliser des portes par attraction magnétique

Country Status (3)

Country Link
US (1) US8382169B2 (fr)
EP (2) EP2093358A1 (fr)
WO (1) WO2009103177A1 (fr)

Cited By (6)

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Publication number Priority date Publication date Assignee Title
DE102009035824A1 (de) * 2009-08-01 2011-02-03 Fischerwerke Gmbh & Co. Kg Türhalter
CN105863411A (zh) * 2016-03-31 2016-08-17 句容市后白镇福临门木门加工厂 一种木门的挡门装置
CN106703581A (zh) * 2017-01-16 2017-05-24 中南大学 转动门受力缓冲装置及方法
EP2535490A3 (fr) * 2011-06-17 2017-10-04 dormakaba Deutschland GmbH Butée de porte ou analogue
US10060462B2 (en) 2012-06-19 2018-08-28 Elfa International Ab Assembling facilitating device
US11187019B2 (en) * 2016-01-07 2021-11-30 Hgt Innovations Pty Ltd Door stop

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WO2009143636A1 (fr) * 2008-05-25 2009-12-03 Pierre Della-Santa Butoir de porte escamotable
US9447617B2 (en) * 2011-07-22 2016-09-20 Overhead Door Corporation Sliding door panel hold open assembly
US9447619B2 (en) * 2012-08-14 2016-09-20 Amazon Technologies, Inc. 90 degree magnetic latch to prevent high surface flux
JP6228467B2 (ja) * 2014-01-15 2017-11-08 大紀金属株式会社 扉磁着装置
WO2015195640A1 (fr) * 2014-06-16 2015-12-23 DoorDots, LLC Dispositif et procédé de butée de porte
US10578140B2 (en) * 2014-07-08 2020-03-03 James Blake PORTER Magnetic fasteners and related articles and methods
KR20160018172A (ko) * 2014-08-08 2016-02-17 삼성전자주식회사 도어 고정장치 및 이를 갖는 냉장고
TWI567282B (zh) * 2014-12-05 2017-01-21 wen-zheng Hu The way to limit the door and the plane door block
US10316556B2 (en) 2016-01-25 2019-06-11 Campus Safety Products, LLC Door barricade
US10214948B2 (en) * 2016-01-25 2019-02-26 Campus Safety Products, LLC Door barricade
US20170253279A1 (en) * 2016-03-01 2017-09-07 Ford Global Technologies, Llc Outer panel for a motor vehicle
US20180002956A1 (en) * 2016-07-02 2018-01-04 James Tran Actuatable door stop
JP6746133B2 (ja) * 2016-08-25 2020-08-26 株式会社システックキョーワ ドアストッパー
JP6872403B2 (ja) * 2017-04-12 2021-05-19 株式会社システックキョーワ ドアストッパー
US11795743B2 (en) * 2018-05-04 2023-10-24 Fantom Hardware Pty Ltd Security device
KR102480034B1 (ko) * 2019-10-08 2022-12-20 정영호 자성체를 이용하여 고정하는 문 구조
JP7395182B2 (ja) * 2020-03-23 2023-12-11 大阪金具株式会社 戸当たり
JP2022067001A (ja) * 2020-10-19 2022-05-02 株式会社システックキョーワ ドアストッパー

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Publication number Priority date Publication date Assignee Title
CH383822A (de) 1961-03-10 1964-10-31 Figel Willi Anschlageinrichtung für Türen in ihrer Offenlage
JPH10115139A (ja) * 1996-10-09 1998-05-06 Shigeki Ikejiri 戸当り装置、扉構造及び扉を開状態で停止させる方法
JP2000054714A (ja) * 1998-08-11 2000-02-22 Kamenosuke Fukui 磁石式戸当り金具
US6321411B1 (en) 2000-06-05 2001-11-27 Shigeki Ikejiri Doorstop device
DE102006012096A1 (de) * 2006-03-16 2007-09-20 Fischerwerke Artur Fischer Gmbh & Co. Kg Türhalter

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009035824A1 (de) * 2009-08-01 2011-02-03 Fischerwerke Gmbh & Co. Kg Türhalter
EP2535490A3 (fr) * 2011-06-17 2017-10-04 dormakaba Deutschland GmbH Butée de porte ou analogue
US10060462B2 (en) 2012-06-19 2018-08-28 Elfa International Ab Assembling facilitating device
EP3620668A1 (fr) 2012-06-19 2020-03-11 Elfa International AB Un produit du groupe comprenant les armoires, étagères à livres ou des autres systèmes de stockage, comprenant un dispositif facilitant l'assemblage de ce produit
US11187019B2 (en) * 2016-01-07 2021-11-30 Hgt Innovations Pty Ltd Door stop
CN105863411A (zh) * 2016-03-31 2016-08-17 句容市后白镇福临门木门加工厂 一种木门的挡门装置
CN106703581A (zh) * 2017-01-16 2017-05-24 中南大学 转动门受力缓冲装置及方法
CN106703581B (zh) * 2017-01-16 2017-12-19 中南大学 转动门受力缓冲装置及方法

Also Published As

Publication number Publication date
EP2250334B1 (fr) 2012-07-18
EP2250334A1 (fr) 2010-11-17
US8382169B2 (en) 2013-02-26
US20110049911A1 (en) 2011-03-03
WO2009103177A1 (fr) 2009-08-27

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