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EP2043475B1 - Magnetic quick-release buckle - Google Patents

Magnetic quick-release buckle Download PDF

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Publication number
EP2043475B1
EP2043475B1 EP07801150.9A EP07801150A EP2043475B1 EP 2043475 B1 EP2043475 B1 EP 2043475B1 EP 07801150 A EP07801150 A EP 07801150A EP 2043475 B1 EP2043475 B1 EP 2043475B1
Authority
EP
European Patent Office
Prior art keywords
magnet
armature
plug
release buckle
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.)
Active
Application number
EP07801150.9A
Other languages
German (de)
French (fr)
Other versions
EP2043475A2 (en
Inventor
Joachim Fiedler
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.)
Fidlock GmbH
Original Assignee
Fidlock GmbH
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Filing date
Publication date
Application filed by Fidlock GmbH filed Critical Fidlock GmbH
Publication of EP2043475A2 publication Critical patent/EP2043475A2/en
Application granted granted Critical
Publication of EP2043475B1 publication Critical patent/EP2043475B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/2503—Safety buckles
    • A44B11/2507—Safety buckles actuated by a push-button
    • A44B11/2511—Safety buckles actuated by a push-button acting perpendicularly to the main plane of the buckle, e.g. placed on the front face of the buckle
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
    • A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
    • A44B11/26—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings
    • A44B11/266—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts with push-button fastenings with at least one push-button acting parallel to the main plane of the buckle and perpendicularly to the direction of the fastening action
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00—Details; Accessories
    • A45C13/10—Arrangement of fasteners
    • A45C13/1069—Arrangement of fasteners magnetic
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44D—INDEXING SCHEME RELATING TO BUTTONS, PINS, BUCKLES OR SLIDE FASTENERS, AND TO JEWELLERY, BRACELETS OR OTHER PERSONAL ADORNMENTS
    • A44D2203/00—Fastening by use of magnets

Definitions

  • the invention relates to a buckle, which is preferably provided for connecting bands, belts or belts with less stress.
  • Mechanical buckles known from the prior art consist of two parts which can be plugged together and which interlock in a form-fitting manner. Mechanical buckles are put together by means of a predetermined force and opened with a predetermined force, with springs having to be tensioned in each case.
  • the plug receptacle is designed so that the plug is guided on a predetermined path, usually in a straight line, in the plug receptacle. This guidance takes place almost without force up to a certain section where the plug meets resilient locking elements. If the plug is now pressed further into the plug receptacle with a predetermined force, the resilient locking elements are spread open or compressed, so that the plug snaps into place and the positive connection is thus created.
  • the FR 2 394 266 discloses a magnetic buckle with two nestable plates, each of which has a strap attached. When plugged into one another, a conical pin with a magnet can be inserted into an opening in both plates, so that the plates mechanically over the conical pin are held together. The magnet is in magnetic interaction with a third plate made of steel or iron, which is arranged on the first plate, so that the conical pin is held in the opening.
  • the EP 0 590 207 A1 discloses a magnetic buckle according to the preamble of claim 1.
  • a magnetic buckle has a plug and a plug receptacle, the plug being designed so that it can be plugged into the plug receptacle.
  • a fastening device is provided on the plug and on the plug receptacle, to which a belt strap or another flexible material can be fastened.
  • At least one ferromagnetic armature is provided on the connector and at least one magnet is provided on the connector receptacle, it being clear to the person skilled in the art that the magnet can also be arranged on the connector and the ferromagnetic armature on or in the connector receptacle, or magnets in both the connector and the connector receptacle are provided.
  • the magnet and armature lie opposite each other in a magnet-armature plane and attract each other with a magnetic attraction force F.
  • This tightening force F is designed so that the buckle has the operationally desired holding force of the plug from the plug receptacle.
  • the invention has the following advantages:
  • the magnetic buckle contracts by itself, i. H. the plug is simply inserted into the plug receptacle and held in place by the magnetic force F.
  • This property cannot be shown by a clip-on buckle based on a spring-snap mechanism, since a spring force always has to be overcome when a spring-snap mechanism is inserted.
  • the buckle By using new, very strong magnets, the buckle can be made relatively small and light in relation to the locking force.
  • the disadvantage of such strong magnets is the difficulty in separating the magnets from the armature. If the magnet and armature are separated by hand, there is always a jerky opening movement that is perceived as uncomfortable.
  • the inventive Magnetic buckle on the other hand, can be opened very softly, which is perceived as pleasant by the user.
  • the opening device causes the magnet to be pushed by the armature or the armature to be pushed by the magnet, i. H.
  • the armature is drawn onto the magnet by the magnetic force in one direction x when it closes, but the armature is not removed in the opposite direction, but in a direction y which is not identical to the direction x.
  • the armature faces the magnet in the magnet-armature plane.
  • the armature is moved in this plane relative to the magnet until the magnetic force between the armature and the magnet is sufficiently small. According to the invention, this is done via an opening device.
  • a magnetic pole is provided in the connector and in the connector receptacle, which is arranged in such a way that, when the magnetic buckle is closed, it faces a ferromagnetic armature and is polarized so that the magnetic poles repel each other when the opening device is actuated stand. This creates a soft opening feel.
  • two magnetic poles each are provided in the plug and in the plug receptacle, which are polarized in such a way that, when the magnetic buckle is closed, they are oppositely drawn in pairs.
  • the magnet and armature are dimensioned, arranged and stored in such a way that when the plug is inserted into the connector receptacle, the magnet and armature align themselves largely automatically in the magnet-armature plane. It is clear to the person skilled in the art that the opening device must be well supported, that is to say it must have only a low level of friction, so that the armature resets itself under the influence of the magnetic force.
  • a return spring is arranged on the opening device, which returns the opening device to the starting position after opening the plug buckle.
  • the opening device is designed so that the displacement of the armature in the magnet-armature plane relative to the magnet takes place so that the attractive surfaces do not touch. This prevents the attractive surfaces from rubbing against one another and creates a soft opening feel.
  • attracting surfaces of the magnet and armature are bent in one direction, d. H. the magnetic surface is z. B. is convex and the anchor surface is concave. It should be emphasized that the magnetic surface does not have to have the same radius as the armature surface if a certain opening feel is to be achieved with it.
  • the attracting surfaces form a circular arc section with the same center point.
  • the first embodiment of the invention is based on the Figures 1 to 3 explained.
  • a plug magnet 5 and two magnetic guide plates 6a, 6b are arranged in the connector receptacle 2 that matches the connector 1, a rocker arm 3 is provided as an opening device.
  • a magnet 4 and two magnetic guide plates 7a, b are arranged in the rocker arm 3.
  • the rocker arm 3 sits with its axis of rotation 8 in the bearing 9 of the connector receptacle 2.
  • a belt receptacle 20 is provided on the plug and an adjustable belt receptacle 21 is provided on the plug receptacle.
  • Fig. 1 it can be seen that in the closed state, ie when the connector is inserted in the connector receptacle, two opposing magnetic poles, ie two attracting magnetic poles, face each other.
  • the distance between the poles of the two pairs of magnetic guide plates 6a, b and 7a, b is 2/10 mm. The distance is to be chosen as small as possible, whereby it must be ensured that the poles do not touch each other so that no friction occurs, since such friction would impair the soft feel of the opening.
  • the rocker arm 3 is tilted up by hand so that two poles of the same name are opposite one another, as shown in FIG Fig. 2a is removable. This creates a repulsion that has a positive effect on the opening feel. This is to be understood that when opening by hand the person gets the feeling that the plug 1 is easily detached from the plug receptacle.
  • the Fig. 4 Figure 3 shows an exploded view of a modified first embodiment of the invention.
  • the difference from the embodiment according to Figs. 1 to 3 is that no magnetic guide plates are used, but a monolithic magnet 10 with a concave face and a ferromagnetic armature 11 with a convex face.
  • two bow springs 12a / b are arranged in the upper edge area of the plug receptacle, which are pretensioned when the plug is inserted and support the separation of magnet and armature when the rocker arm 3 is tilted, so that a pleasant feel is created here as well .
  • the bow springs are not absolutely necessary, because the desired feel is also achieved if the rocker arm 3 is pivoted far enough so that the attractive force is very small or equal to zero.
  • FIG. 5 A second embodiment of the invention is shown in Figures 5 to 7 shown, the displacement of magnet and armature is linear, which is evident from the Fig. 5 c becomes recognizable.
  • the opening device in this embodiment is a plunger 13 which is pressed in with the thumb.
  • a ferromagnetic armature 14a and a magnet 14b are arranged on the plunger. This armature-magnet pair is attracted by a magnet-armature pair 15a, 15b in the plug.
  • the plunger is depressed, are analogous to Fig. 2a likewise the magnetic poles 14b, 15b repulsively opposite.
  • the plug is pushed out of the plug receptacle by means of the magnetic force, as in Figure 7c shown.
  • the Figures 8 and 9 show a third embodiment of the invention in which the magnet and armature are displaced by rotation.
  • the Figure 8a shows a circular cylindrical plug 1, which can be plugged into a plug receptacle 2 which has a receptacle opening that matches the plug.
  • a rod-shaped ferromagnetic armature 11 is arranged on the plug head and a rod-shaped magnet 10 is arranged on the bottom of the receiving opening of the plug receptacle 2.
  • the connector is in the in Figure 8a is inserted, the magnet and armature are parallel to each other, as shown Figure 9a can be seen, and thus attract.
  • the armature and magnet are also at 90 degrees, as in Fig. 10 a is recognizable. In this position, the magnetic force that acts on the armature is greatly weakened, so that the plug can be easily pulled out.
  • belt receptacles 20 and 21 with or without length adjustability are provided on the plug or plug receptacle.
  • this is not intended to limit the invention to these exemplary embodiments.
  • Other, not shown fastening options on one side, such as latches or welds, e.g. with a pocket are within the scope of this invention.
  • the magnet and the armature must be designed so that the required holding force of the magnetic buckle is achieved.
  • Magnet and armature whereby the armature can also be a magnet, are brought together at the front when closing. To open the magnet and armature are shifted to each other in such a way that the holding force between magnet and armature is weakened or canceled.
  • the guide between the plug and the connector receptacle must be designed so professionally that the shift from plug to connector receptacle is permitted both in direction y to weaken the attraction of magnet and armature in direction Separation of plug and plug receptacle in direction x.
  • the shear forces generated by repelling magnets must be absorbed by the mutual guide, particularly in the case of magnet systems with reversible polarity.
  • the plug must be guided in the plug receptacle so expertly that it is not possible to evade in the y direction.
  • Magnetic polarity reversal even creates an ejection force that pushes the connector out.
  • This ejection force can also be achieved by a pre-tensioned mechanical spring.
  • the spring is to be professionally dimensioned in such a way that it is pretensioned by the magnetic force when the magnetic buckle is plugged together.
  • a suitable mounting of the opening device must be ensured, i.e. H. the opening device must be easy to move and always keep the magnet as close as possible to the armature.

Landscapes

  • Buckles (AREA)
  • Lock And Its Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Description

Die Erfindung betrifft eine Steckschnalle, die vorzugsweise zum Verbinden von Bändern, Gurten oder Riemen mit geringerer Belastung vorgesehen ist.The invention relates to a buckle, which is preferably provided for connecting bands, belts or belts with less stress.

Aus dem Stand der Technik bekannte mechanische Steckschnallen bestehen aus zwei Teilen, die zusammensteckbar sind und die sich dabei formschlüssig verriegeln. Mechanische Steckschnallen werden mittels einer vorbestimmten Kraft zusammengesteckt und mit einer vorbestimmten Kraft geöffnet, wobei jeweils Federn gespannt werden müssen.Mechanical buckles known from the prior art consist of two parts which can be plugged together and which interlock in a form-fitting manner. Mechanical buckles are put together by means of a predetermined force and opened with a predetermined force, with springs having to be tensioned in each case.

Ein wesentliches Merkmal dieser Schnallenart ist, daß die Steckeraufnahme so ausgebildet ist, daß der Stecker auf einer vorbestimmten Bahn, meist geradlinig, in der Steckeraufnahme geführt wird. Diese Führung erfolgt nahezu kraftfrei bis zu einem bestimmten Abschnitt, an dem der Stecker auf federnde Verriegelungselemente trifft. Wird der Stecker nunmehr mit einer vorbestimmten Kraft weiter in die Steckeraufnahme gedrückt, werden die federnden Verriegelungselemente aufgespreizt oder zusammengedrückt, so daß ein Einschnappen des Steckers erfolgt und somit die formschlüssige Verbindung entsteht.An essential feature of this type of buckle is that the plug receptacle is designed so that the plug is guided on a predetermined path, usually in a straight line, in the plug receptacle. This guidance takes place almost without force up to a certain section where the plug meets resilient locking elements. If the plug is now pressed further into the plug receptacle with a predetermined force, the resilient locking elements are spread open or compressed, so that the plug snaps into place and the positive connection is thus created.

Diese herkömmlichen Steckschnallen weisen die Eigenschaft auf, daß das Einführen des Steckers nur eine einfache Handbewegungen erfordert und ggf. sogar mit einer Hand durchgeführt werden kann. Es ist lediglich erforderlich, den Stecker auf die Steckeraufnahmeöffnung zu setzen und dann den Stecker in die Steckeraufnahmeöffnung einzuführen. Um jedoch die formschlüssige Verriegelung zu bewirken, muß am Ende der Einführbewegung die vorstehend bereits erwähnte Verriegelungskraft aufgebracht werden. Das kann unter bestimmten Umständen von Nachteil oder zumindest unhandlich sein.These conventional buckles have the property that the insertion of the plug requires only simple hand movements and, if necessary, can even be carried out with one hand. It is only necessary to place the plug on the plug receiving opening and then insert the plug into the plug receiving opening. However, in order to effect the positive locking, the locking force already mentioned above must be applied at the end of the insertion movement. This can be disadvantageous or at least unwieldy under certain circumstances.

Die FR 2 394 266 offenbart eine Magnetsteckschnalle mit zwei ineinander steckbaren Platten, an denen jeweils ein Gurt befestigt ist. Im ineinander gesteckten Zustand ist ein konischer Stift mit einem Magneten in eine Öffnung in beiden Platten einführbar, so daß die Platten über den konischen Stift mechanisch aneinander gehalten werden. Der Magnet steht dabei mit einer dritten Platte aus Stahl oder Eisen, die an der ersten Platte angeordnet ist, in magnetischer Wechselwirkung, so daß der konische Stift in der Öffnung gehalten wird. Die EP 0 590 207 A1 offenbart eine Magnetsteckschnalle nach dem Oberbegriff des Anspruchs 1.The FR 2 394 266 discloses a magnetic buckle with two nestable plates, each of which has a strap attached. When plugged into one another, a conical pin with a magnet can be inserted into an opening in both plates, so that the plates mechanically over the conical pin are held together. The magnet is in magnetic interaction with a third plate made of steel or iron, which is arranged on the first plate, so that the conical pin is held in the opening. The EP 0 590 207 A1 discloses a magnetic buckle according to the preamble of claim 1.

Demzufolge ist es die Aufgabe der Erfindung, eine Steckschnalle bereitzustellen, die eine verbesserte Bedienbarkeit beim Schließen ermöglicht.Accordingly, it is the object of the invention to provide a buckle that enables improved operability when closing.

Diese Aufgabe wird mit einer Magnetsteckschnalle nach Anspruch 1 gelöst.This object is achieved with a magnetic buckle according to claim 1.

Eine Magnetsteckschnalle weist einen Stecker und eine Steckeraufnahme auf, wobei der Stecker so ausgebildet ist, daß er in die Steckeraufnahme steckbar ist.A magnetic buckle has a plug and a plug receptacle, the plug being designed so that it can be plugged into the plug receptacle.

An dem Stecker und an der Steckeraufnahme ist eine Befestigungsvorrichtung vorgesehen, an der ein Gurtband oder ein anderes flexibles Material befestigt werden kann.A fastening device is provided on the plug and on the plug receptacle, to which a belt strap or another flexible material can be fastened.

Am Stecker ist wenigstens ein ferromagnetischer Anker und an der Steckeraufnahme ist wenigstens ein Magnet vorgesehen, wobei dem Fachmann klar ist, daß gleichwirkend der Magnet auch am Stecker und der ferromagnetische Anker an oder in der Steckeraufnahme angeordnet sein kann, bzw sowohl in Stecker wie Steckeraufnahme Magnete vorgesehen sind. Im angezogenen Zustand liegen sich Magnet und Anker in einer Magnet-Anker-Ebene gegenüber und ziehen sich mit einer magnetischen Anzugskraft F an. Diese Anzugskraft F ist so ausgelegt, damit die Steckschnalle die betriebstechnisch gewünschte Haltekraft des Steckers aus der Steckeraufnahme aufweist.At least one ferromagnetic armature is provided on the connector and at least one magnet is provided on the connector receptacle, it being clear to the person skilled in the art that the magnet can also be arranged on the connector and the ferromagnetic armature on or in the connector receptacle, or magnets in both the connector and the connector receptacle are provided. When attracted, the magnet and armature lie opposite each other in a magnet-armature plane and attract each other with a magnetic attraction force F. This tightening force F is designed so that the buckle has the operationally desired holding force of the plug from the plug receptacle.

Die Erfindung weist folgende Vorteile auf: Die Magnetsteckschnalle zieht sich von selbst zusammen, d. h. der Stecker wird lediglich in die Steckeraufnahme gesteckt und auf Grund der Magnetkraft F festgehalten. Diese Eigenschaft kann keine Steckschalle, die auf einem Feder-Schnapp-Mechanismus beruht, aufweisen, da bei einem Feder-Schnapp-Mechanismus beim Einstecken immer eine Federkraft überwunden werden muß.The invention has the following advantages: The magnetic buckle contracts by itself, i. H. the plug is simply inserted into the plug receptacle and held in place by the magnetic force F. This property cannot be shown by a clip-on buckle based on a spring-snap mechanism, since a spring force always has to be overcome when a spring-snap mechanism is inserted.

Durch den Einsatz neuartiger, sehr starker Magnete kann die Steckschnalle, bezogen auf die Zuhaltekraft, relativ klein und leicht gebaut werden. Der Nachteil derart starker Magnete besteht jedoch in der schweren Trennbarkeit der Magnete vom Anker. Werden Magnet und Anker von Hand getrennt, entsteht immer eine als unangenehm empfundene ruckartige Öffnungsbewegung. Die erfindungsgemäße Magnetsteckschnalle dagegen läßt sich sehr weich öffnen, was von dem Benutzer als angenehm empfunden wird.By using new, very strong magnets, the buckle can be made relatively small and light in relation to the locking force. The disadvantage of such strong magnets, however, is the difficulty in separating the magnets from the armature. If the magnet and armature are separated by hand, there is always a jerky opening movement that is perceived as uncomfortable. The inventive Magnetic buckle, on the other hand, can be opened very softly, which is perceived as pleasant by the user.

Nachfolgend werden die Funktion und die Wirkung der Öffnungsvorrichtung beschrieben. Die Öffnungsvorrichtung bewirkt, daß der Magnet vom Anker oder der Anker vom Magnet geschoben wird, d. h. der Anker wird beim Schließen durch die Magnetkraft in einer Richtung x auf den Magneten gezogen, das Entfernen des Ankers erfolgt jedoch nicht in der entgegengesetzten Richtung, sondern in einer Richtung y, die nicht identisch ist mit der Richtung x. Mit anderen Worten, im Schließzustand steht der Anker dem Magneten in der Magnet-Anker-Ebene gegenüber. Zum Öffnen wird der Anker relativ zum Magneten in dieser Ebene verschoben, bis die Magnetkraft zwischen Anker und Magnet ausreichend klein ist. Dies geschieht erfindungsgemäß über eine Öffnungsvorrichtung.The function and effect of the opening device are described below. The opening device causes the magnet to be pushed by the armature or the armature to be pushed by the magnet, i. H. The armature is drawn onto the magnet by the magnetic force in one direction x when it closes, but the armature is not removed in the opposite direction, but in a direction y which is not identical to the direction x. In other words, in the closed state, the armature faces the magnet in the magnet-armature plane. To open it, the armature is moved in this plane relative to the magnet until the magnetic force between the armature and the magnet is sufficiently small. According to the invention, this is done via an opening device.

Nach Anspruch 2 sind im Stecker und in der Steckeraufnahme je ein Magnetpol vorgesehen, der so angeordnet ist, dass er im geschlossenen Zustand der Magnetsteckschnalle jeweils einem ferromagnetischen Anker anziehend gegenüber steht und der so polarisiert ist, dass beim Betätigen der Öffnungsvorrichtung sich die Magnetpole abstoßend gegenüber stehen. Dadurch entsteht eine weiche Öffnungshaptik.According to claim 2, a magnetic pole is provided in the connector and in the connector receptacle, which is arranged in such a way that, when the magnetic buckle is closed, it faces a ferromagnetic armature and is polarized so that the magnetic poles repel each other when the opening device is actuated stand. This creates a soft opening feel.

Nach Anspruch 3 sind im Stecker und in der Steckeraufnahme je zwei Magnetpole vorgesehen, die so polarisiert sind, dass sie sich im geschlossenen Zustand der Magnetsteckschnalle paarweise anziehend gegenüber stehen.According to claim 3, two magnetic poles each are provided in the plug and in the plug receptacle, which are polarized in such a way that, when the magnetic buckle is closed, they are oppositely drawn in pairs.

Nach Anspruch 4 sind Magnet und Anker so dimensioniert, angeordnet und gelagert, daß sich beim Einstecken des Steckers in die Steckeraufnahme Magnet und Anker weitgehend selbsttätig in die Magnet-Anker-Ebene ausrichten. Dem Fachmann ist klar, daß die Öffnungsvorrichtung gut gelagert sein muß, d. h. nur eine geringe Reibung aufweisen darf, damit sich der Anker unter dem Einfluß der Magnetkraft zurückstellt.According to claim 4, the magnet and armature are dimensioned, arranged and stored in such a way that when the plug is inserted into the connector receptacle, the magnet and armature align themselves largely automatically in the magnet-armature plane. It is clear to the person skilled in the art that the opening device must be well supported, that is to say it must have only a low level of friction, so that the armature resets itself under the influence of the magnetic force.

Nach Anspruch 5 ist an der Öffnungsvorrichtung eine Rückstellfeder angeordnet, die nach dem Öffnen der Steckerschnalle die Öffnungsvorrichtung in die Ausgangsstellung zurückstellt. Diese Weiterbildung der Erfindung stellt sicher, daß sich Magnet und Anker beim Zusammenstecken immer in einer optimalen Anzugsposition gegenüber stehen.According to claim 5, a return spring is arranged on the opening device, which returns the opening device to the starting position after opening the plug buckle. This development of the invention ensures that the magnet and armature are always in an optimal tightening position when they are plugged together.

Nach Anspruch 6 ist die Öffnungsvorrichtung so ausgebildet, daß die Verschiebung des Ankers in der Magnet-Anker-Ebene relativ zum Magneten so erfolgt, daß sich die anziehenden Flächen nicht berühren. Dadurch wird verhindert, daß die sich anziehenden Flächen aufeinander reiben und erreicht, daß eine weiche Öffnungshaptik entsteht.According to claim 6, the opening device is designed so that the displacement of the armature in the magnet-armature plane relative to the magnet takes place so that the attractive surfaces do not touch. This prevents the attractive surfaces from rubbing against one another and creates a soft opening feel.

Nach Anspruch 7 sind sich anziehenden Flächen von Magnet und Anker in einer Richtung gebogen, d. h. der Magnetfläche ist z. B. konvex ausgebildet und die Ankerfläche ist konkav ausgebildet. Es ist zu betonen, daß die Magnetfläche nicht den gleichen Radius wie die Ankerfläche haben muß, wenn damit eine bestimmte Öffnungshaptik erzielt werden soll.According to claim 7 attracting surfaces of the magnet and armature are bent in one direction, d. H. the magnetic surface is z. B. is convex and the anchor surface is concave. It should be emphasized that the magnetic surface does not have to have the same radius as the armature surface if a certain opening feel is to be achieved with it.

Nach Anspruch 8 bilden die sich anziehenden Flächen einen Kreisbogenabschnitt mit gleichem Kreismittelpunkt.According to claim 8, the attracting surfaces form a circular arc section with the same center point.

Die Erfindung wird nachfolgend an Hand von Ausführungsbeispielen und anhängenden Zeichnungen näher erläutert:

Fig. 1
zeigt eine erste Ausführungsform der Erfindung im geschlossenen Zustand, wobei
Fig. 1a
einen Querschnitt,
Fig. 1b
eine perspektivische Darstellung und
Fig. 1c
eine Draufsicht zeigen.
Fig. 2
zeigt die erste Ausführungsform der Erfindung im geöffneten Zustand, wobei
Fig. 2a
den Querschnitt,
Fig. 2b
die perspektivische Darstellung und
Fig. 2c
die Draufsicht zeigen.
Fig. 3
zeigt eine Explosionsdarstellung der ersten Ausführungsform der Erfindung.
Fig. 4
zeigt eine Explosionsdarstellung einer modifizierten ersten Ausführungsform der Erfindung.
Fig. 5
zeigt eine zweite Ausführungsform der Erfindung im geschlossenen Zustand, wobei
Fig. 5a
eine Draufsicht,
Fig. 5b
eine Seitenansicht und
Fig. 5c
eine Schnittdarstellung zeigen.
Fig. 6
zeigt die zweite Ausführungsform der Erfindung im betätigten Zustand, wobei
Fig. 6a
eine Draufsicht,
Fig. 6b
eine Seitenansicht und
Fig. 6c
eine Schnittdarstellung zeigen.
Fig. 7
zeigt die zweite Ausführungsform der Erfindung im geöffneten Zustand, wobei
Fig. 7a
eine Draufsicht,
Fig. 7b
eine Seitenansicht und
Fig. 7c
eine Schnittdarstellung zeigen.
Fig. 8
zeigt eine dritte Ausführungsform der Erfindung in einer perspektivischen Ansicht, wobei
Fig. 8a
einen Zustand vor dem Zusammenstecken und
Fig. 8b
den zusammengesteckten Zustand zeigen.
Fig. 9
zeigt die dritte Ausführungsform der Erfindung im zusammengesteckten Zustand, wobei
Fig. 9a
eine Schnittansicht und
Fig. 9b
eine Draufsicht zeigen.
Fig. 10
zeigt die dritte Ausführungsform der Erfindung im zusammengesteckten Zustand nach einer Öffnungsdrehung um 90 Grad, wobei
Fig. 10a
eine Schnittansicht und
Fig. 10b
eine Draufsicht zeigen.
The invention is explained in more detail below on the basis of exemplary embodiments and the attached drawings:
Fig. 1
shows a first embodiment of the invention in the closed state, wherein
Fig. 1a
a cross section,
Figure 1b
a perspective view and
Figure 1c
show a top view.
Fig. 2
shows the first embodiment of the invention in the open state, wherein
Fig. 2a
the cross section,
Figure 2b
the perspective view and
Figure 2c
show the top view.
Fig. 3
Figure 3 shows an exploded view of the first embodiment of the invention.
Fig. 4
Figure 3 shows an exploded view of a modified first embodiment of the invention.
Fig. 5
shows a second embodiment of the invention in the closed state, wherein
Figure 5a
a top view,
Figure 5b
a side view and
Figure 5c
show a sectional view.
Fig. 6
shows the second embodiment of the invention in the actuated state, wherein
Figure 6a
a top view,
Figure 6b
a side view and
Figure 6c
show a sectional view.
Fig. 7
shows the second embodiment of the invention in the open state, wherein
Figure 7a
a top view,
Figure 7b
a side view and
Figure 7c
show a sectional view.
Fig. 8
shows a third embodiment of the invention in a perspective view, wherein
Figure 8a
a pre-mated state and
Figure 8b
show the assembled state.
Fig. 9
shows the third embodiment of the invention in the assembled state, wherein
Figure 9a
a sectional view and
Figure 9b
show a top view.
Fig. 10
shows the third embodiment of the invention in the assembled state after an opening rotation of 90 degrees, wherein
Figure 10a
a sectional view and
Figure 10b
show a top view.

Die erste Ausführungsform der Erfindung wird an Hand der Figuren 1 bis 3 erläutert. In einem Stecker 1 sind ein Steckermagnet 5 und zwei Magnetleitbleche 6a, 6b angeordnet. In der zu dem Stecker 1 passenden Steckeraufnahme 2 ist ein Kipphebel 3 als Öffnungsvorrichtung vorgesehen. In dem Kipphebel 3 sind ein Magnet 4 und zwei Magnetleitbleche 7a, b angeordnet. Der Kipphebel 3 sitzt mit seiner Drehachse 8 in dem Lager 9 der Steckeraufnahme 2.The first embodiment of the invention is based on the Figures 1 to 3 explained. In a plug 1, a plug magnet 5 and two magnetic guide plates 6a, 6b are arranged. In the connector receptacle 2 that matches the connector 1, a rocker arm 3 is provided as an opening device. A magnet 4 and two magnetic guide plates 7a, b are arranged in the rocker arm 3. The rocker arm 3 sits with its axis of rotation 8 in the bearing 9 of the connector receptacle 2.

Am Stecker ist eine Gurtaufnahme 20 und an der Steckeraufnahme ist eine verstellbare Gurtaufnahme 21 vorgesehen.A belt receptacle 20 is provided on the plug and an adjustable belt receptacle 21 is provided on the plug receptacle.

Aus Fig. 1 ist entnehmbar, daß sich im geschlossenen Zustand, d. h. wenn der Stecker in der Steckeraufnahme steckt, zwei ungleichnamige, d. h. zwei sich anziehende Magnetpole gegenüberstehen. Der Abstand zwischen den Polen der zwei Magnetleitblechpaare 6a,b und 7a,b beträgt 2/10 mm. Der Abstand ist möglichst klein zu wählen, wobei zu beachten ist, daß die Pole sich nicht berühren, damit keine Reibung entsteht, da eine solche Reibung die weiche Öffnungshaptik beeinträchtigen würde. Zum Öffnen der Magnetsteckschnalle wird der Kipphebel 3 von Hand aufgekippt, so daß sich zwei gleichnamige Pole gegenüber stehen, wie aus Fig. 2a entnehmbar ist. Dadurch entsteht eine Abstoßung, die die Öffnungshaptik positiv beeinflußt. Darunter ist zu verstehen, daß beim Öffnen von Hand der Mensch das Gefühl erhält, daß sich der Stecker 1 leicht aus der Steckeraufnahme löst.Out Fig. 1 it can be seen that in the closed state, ie when the connector is inserted in the connector receptacle, two opposing magnetic poles, ie two attracting magnetic poles, face each other. The distance between the poles of the two pairs of magnetic guide plates 6a, b and 7a, b is 2/10 mm. The distance is to be chosen as small as possible, whereby it must be ensured that the poles do not touch each other so that no friction occurs, since such friction would impair the soft feel of the opening. To open the magnetic buckle, the rocker arm 3 is tilted up by hand so that two poles of the same name are opposite one another, as shown in FIG Fig. 2a is removable. This creates a repulsion that has a positive effect on the opening feel. This is to be understood that when opening by hand the person gets the feeling that the plug 1 is easily detached from the plug receptacle.

Die Fig. 4 zeigt eine Explosionsdarstellung einer modifizierten ersten Ausführungsform der Erfindung. Der Unterschied zu der Ausführungsform nach Fig. 1 bis 3 besteht darin, daß keine Magnetleitbleche verwendet werden, sondern ein monolitischer Magnet 10 mit konkav ausgebildeter Stirnseite und ein ferromagnetischer Anker 11 mit einer konvex ausgebildeten Stirnseite. Da in dieser Ausführungsform beim Öffnen keine Abstoßung von Magnetpolen eintritt, sind im oberen Randbereich der Steckeraufnahme zwei Bügelfedern 12a/b angeordnet, die beim Einstecken des Steckers vorgespannt werden und beim Kippen des Kipphebels 3 die Trennung von Magnet und Anker unterstützen, so daß auch hier eine angenehme Haptik entsteht. Die die Bügelfedern sind jedoch nicht zwingend erforderlich, denn die gewünschte Haptik wird auch erreicht, wenn der Kipphebels 3 weit genug geschwenkt wird, damit die Anziehungskraft sehr klein oder gleich Null wird.The Fig. 4 Figure 3 shows an exploded view of a modified first embodiment of the invention. The difference from the embodiment according to Figs. 1 to 3 is that no magnetic guide plates are used, but a monolithic magnet 10 with a concave face and a ferromagnetic armature 11 with a convex face. As in this embodiment When opening no repulsion of magnetic poles occurs, two bow springs 12a / b are arranged in the upper edge area of the plug receptacle, which are pretensioned when the plug is inserted and support the separation of magnet and armature when the rocker arm 3 is tilted, so that a pleasant feel is created here as well . However, the bow springs are not absolutely necessary, because the desired feel is also achieved if the rocker arm 3 is pivoted far enough so that the attractive force is very small or equal to zero.

Eine zweite Ausführungsform der Erfindung ist in den Figuren 5 bis 7 gezeigt, wobei die Verschiebung von Magnet und Anker linear erfolgt, was aus der Fig. 5 c erkennbar wird. Die Öffnungsvorrichtung ist bei dieser Ausführungsform ein Stö-βel 13, der mit dem Daumen eingedrückt wird. An dem Stößel sind ein ferromagnetischer Anker 14a und ein Magnet 14b angeordnet. Diesem Anker-MagnetPaar steht ein Magnet-Anker-Paar 15a, 15b im Stecker anziehend gegenüber. Wenn, wie in Fig. 6 c gezeigt, der Stößel eingedrückt ist, stehen sich analog zur Fig. 2a ebenfalls die Magnetpole 14b, 15b abstoßend gegenüber. Dadurch wird der Stecker mittels der Magnetkraft aus der Steckeraufnahme herausgedrückt, wie in Fig. 7c gezeigt.A second embodiment of the invention is shown in Figures 5 to 7 shown, the displacement of magnet and armature is linear, which is evident from the Fig. 5 c becomes recognizable. The opening device in this embodiment is a plunger 13 which is pressed in with the thumb. A ferromagnetic armature 14a and a magnet 14b are arranged on the plunger. This armature-magnet pair is attracted by a magnet-armature pair 15a, 15b in the plug. If, as in Fig. 6 c shown, the plunger is depressed, are analogous to Fig. 2a likewise the magnetic poles 14b, 15b repulsively opposite. As a result, the plug is pushed out of the plug receptacle by means of the magnetic force, as in Figure 7c shown.

Die Figuren 8 und 9 zeigen eine dritte Ausführungsform der Erfindung, bei der die Verschiebung von Magnet und Anker durch eine Drehung erfolgt. Die Fig. 8a zeigt einen kreiszylinderförmigen Stecker 1, der in eine Steckeraufnahme 2 steckbar, die eine zum Stecker passende Aufnahmeöffnung aufweist. Am Steckerkopf ist ein stabförmiger ferromagnetischer Anker 11 und am Boden der Aufnahmeöffnung der Steckeraufnahme 2 ist ein stabförmiger Magnet 10 angeordnet. Wenn der Stecker in der in Fig. 8a gezeigten Position eingesteckt wird, so liegen Magnet und Anker parallel zueinander, wie aus Fig. 9a ersichtlich ist, und ziehen sich somit an. Wenn der Stecker um 90 Grad gedreht wird, stehen auch der Anker und der Magnet im Winkel von 90 Grad, wie in Fig. 10 a erkennbar ist. In dieser Stellung ist die Magnetkraft, die auf den Anker wirkt, stark geschwächt, so daß der Stecker leicht herausgezogen werden kann.The Figures 8 and 9 show a third embodiment of the invention in which the magnet and armature are displaced by rotation. The Figure 8a shows a circular cylindrical plug 1, which can be plugged into a plug receptacle 2 which has a receptacle opening that matches the plug. A rod-shaped ferromagnetic armature 11 is arranged on the plug head and a rod-shaped magnet 10 is arranged on the bottom of the receiving opening of the plug receptacle 2. If the connector is in the in Figure 8a is inserted, the magnet and armature are parallel to each other, as shown Figure 9a can be seen, and thus attract. When the connector is rotated 90 degrees, the armature and magnet are also at 90 degrees, as in Fig. 10 a is recognizable. In this position, the magnetic force that acts on the armature is greatly weakened, so that the plug can be easily pulled out.

In allen Ausführungsbeispielen sind an Stecker bzw. Steckeraufnahme Gurtaufnahmen 20 bzw 21 mit oder ohne Längenverstellbarkeit vorgesehen. Dadurch soll die Erfindung aber nicht auf diese Ausführungsbeispiele begrenzt bleiben. Auch andere, nicht gezeichnete Befestigungsmöglichkeiten auf einer Seite wie Verrastungen oder Verschweißungen z.B. mit einer Tasche fallen in den Schutzbereich dieser Erfindung.In all the exemplary embodiments, belt receptacles 20 and 21 with or without length adjustability are provided on the plug or plug receptacle. However, this is not intended to limit the invention to these exemplary embodiments. Other, not shown fastening options on one side, such as latches or welds, e.g. with a pocket are within the scope of this invention.

Aus den verschiedenen Ausführungsformen wird deutlich, daß die technische Lehre der Erfindung vielfältig variiert werden kann, ohne das der Fachmann dabei erfinderisch tätig werden muß. Folgende Merkmale sind beim Bau der Erfindung erforderlich: Der Magnet und der Anker müssen so ausgebildet sein, daß die erforderliche Haltekraft der Magnetsteckschnalle erreicht wird. Magnet und Anker, wobei der Anker auch ein Magnet sein kann, werden beim Schließen stirnseitig zusammengeführt. Zum Öffnen werden Magnet und Anker so zueinander verschoben, daß die Haltekraft zwischen Magnet und Anker geschwächt oder aufgehoben wird. Werden bei einem nicht beanspruchten Fall Stecker und Steckeraufname direkt gegeneinander verschoben, muß die Führung zwischen Stecker und Steckeraufnahme so fachmännisch ausgebildet sein, dass die Verschiebung von Stecker zu Steckeraufnahme sowohl in Richtung y zur Abschwächung der Anziehung von Magnet und Anker in Richtung zugelassen ist wie die Trennung von Stecker und Steckeraufnahme in Richtung x. Dabei müssen insbesondere bei verpolbaren Magnetsystem die entstehenden Scherkräfte von abstoßenden Magnete von der gegenseitigen Führung aufgefangen werden.It is clear from the various embodiments that the technical teaching of the invention can be varied in many ways without the person skilled in the art having to be inventive. The following features are required in the construction of the invention: The magnet and the armature must be designed so that the required holding force of the magnetic buckle is achieved. Magnet and armature, whereby the armature can also be a magnet, are brought together at the front when closing. To open the magnet and armature are shifted to each other in such a way that the holding force between magnet and armature is weakened or canceled. If the connector and the connector receptacle are shifted directly against each other in a case that is not claimed, the guide between the plug and the connector receptacle must be designed so professionally that the shift from plug to connector receptacle is permitted both in direction y to weaken the attraction of magnet and armature in direction Separation of plug and plug receptacle in direction x. In this case, the shear forces generated by repelling magnets must be absorbed by the mutual guide, particularly in the case of magnet systems with reversible polarity.

Wird der Anker über die erfindungsgemässe Öffnungsvorrichtung in Richtung y verschoben, muß der Stecker in der Steckeraufnahme so fachmännisch geführt sein, dass ein Ausweichen in Richtung y nicht möglich ist.If the armature is displaced in the y direction via the opening device according to the invention, the plug must be guided in the plug receptacle so expertly that it is not possible to evade in the y direction.

Bei magnetischer Umpolung entsteht sogar eine Auswerfkraft, die den Stecker herausdrückt. Diese Auswerfkraft kann auch durch eine vorgespannte mechanische Feder erzielt werden. In diesem Fall ist die Feder fachmännisch so zu dimensionieren, daß sie durch die Magnetkraft vorgespannt wird, wenn die Magnetsteckschnalle zusammengesteckt wird. Zur Verbesserung der Haptik ist für eine geeignete Lagerung der Öffnungsvorrichtung zu sorgen, d. h. die Öffnungsvorrichtung muß sich leicht bewegen lassen und den Magneten immer in einem möglichst geringen Abstand vom Anker halten.Magnetic polarity reversal even creates an ejection force that pushes the connector out. This ejection force can also be achieved by a pre-tensioned mechanical spring. In this case, the spring is to be professionally dimensioned in such a way that it is pretensioned by the magnetic force when the magnetic buckle is plugged together. To improve the haptics, a suitable mounting of the opening device must be ensured, i.e. H. the opening device must be easy to move and always keep the magnet as close as possible to the armature.

Claims (8)

  1. Magnetic quick-release buckle having a plug (1) and a socket (2), wherein
    - a fastening device for fastening a strap is provided on the plug (1) and on the socket (2),
    - the plug (1) is configured such that it can be plugged into the socket (2),
    - at least one ferromagnetic armature is provided on the plug (1) and at least one magnet is provided on the socket (2), wherein, in the attracted state, the magnet and armature are located opposite one another in a magnet/armature plane and there is a magnetic force of attraction (F) present corresponding to the necessary retaining force of the plug in the socket (2),
    characterized in that
    an opening device (3) is provided displacing the armature relative to the magnet in the magnet/armature plane until the magnetic force of attraction (F) is sufficiently small for the magnetic quick-release buckle to be opened, wherein the armature is removed in a direction y which is not identical to, and does not run counter to, a direction x, in which the armature is pulled onto the magnet by the magnetic force during the closing operation.
  2. Magnetic quick-release buckle according to Claim 1, characterized by the provision, in the plug and in the socket, of a respective magnet pole, which is arranged such that, in the closed state of the magnetic quick-release buckle, it is located attractively opposite a ferromagnetic armature, and is polarized such that, when the opening device is actuated, the magnet poles are located opposite one another with repelling action.
  3. Magnetic quick-release buckle according to Claim 1, characterized by the provision, in the plug and in the socket, of in each case two magnet poles, which, in the closed state of the magnetic quick-release buckle, are located attractively opposite one another in pairs, and, when the opening device is actuated, the magnets of at least one pair of magnets are located opposite one another with repelling action.
  4. Magnetic quick-release buckle according to Claims 1 to 3, characterized in that magnet and armature are dimensioned, arranged and mounted such that, when the plug (1) is inserted into the socket (2), the magnet and armature align themselves largely automatically in the magnet/armature plane.
  5. Magnetic quick-release buckle according to Claim 1 or 2, characterized by the arrangement, on the opening device a restoring spring is arranged which, once the magnetic-release buckle has been opened, restores the opening device into the starting position.
  6. Magnetic quick-release buckle according to Claim 1 characterized in that the opening device is configured such that the armature is displaced relative to the magnet in the magnet/armature plane such that the attracting surfaces do not come into contact with one another.
  7. Magnetic quick-release buckle according to Claim 1 characterized in that attracting surfaces of magnet and armature are curved in one direction.
  8. Magnetic quick-release buckle according to Claim 6 characterized in that attracting surfaces form a segment of an arc of a circle.
EP07801150.9A 2006-07-12 2007-07-12 Magnetic quick-release buckle Active EP2043475B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006032522 2006-07-12
PCT/DE2007/001244 WO2008006356A2 (en) 2006-07-12 2007-07-12 Magnetic quick-release buckle

Publications (2)

Publication Number Publication Date
EP2043475A2 EP2043475A2 (en) 2009-04-08
EP2043475B1 true EP2043475B1 (en) 2020-08-26

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ID=38923575

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Application Number Title Priority Date Filing Date
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EP (1) EP2043475B1 (en)
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WO (2) WO2008006356A2 (en)

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Also Published As

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WO2008006356A3 (en) 2008-04-17
CN101646362B (en) 2012-12-12
WO2008006355A3 (en) 2008-04-17
CN101657120A (en) 2010-02-24
WO2008006356A2 (en) 2008-01-17
CN101646362A (en) 2010-02-10
EP2043475A2 (en) 2009-04-08
CN101646366A (en) 2010-02-10
CN101657120B (en) 2013-03-27
WO2008006355A2 (en) 2008-01-17
CN101646366B (en) 2011-12-14

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