EP2589733A1 - Electromagnetic locking device with linear support - Google Patents

Electromagnetic locking device with linear support Download PDF

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Publication number
EP2589733A1
EP2589733A1 EP12191173.9A EP12191173A EP2589733A1 EP 2589733 A1 EP2589733 A1 EP 2589733A1 EP 12191173 A EP12191173 A EP 12191173A EP 2589733 A1 EP2589733 A1 EP 2589733A1
Authority
EP
European Patent Office
Prior art keywords
locking
retaining
locking device
electromagnetic
iii
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12191173.9A
Other languages
German (de)
French (fr)
Other versions
EP2589733B1 (en
Inventor
Michaël Merlen
Sébastien Perraud
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.)
Aldes Aeraulique SA
Luxalp SAS
Original Assignee
Aldes Aeraulique SA
Luxalp SAS
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 Aldes Aeraulique SA, Luxalp SAS filed Critical Aldes Aeraulique SA
Publication of EP2589733A1 publication Critical patent/EP2589733A1/en
Application granted granted Critical
Publication of EP2589733B1 publication Critical patent/EP2589733B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0603—Controlling mechanically-operated bolts by electro-magnetically-operated detents the detent moving rectilinearly
    • 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
    • E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/002—Weather or dirt protection
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205—Striking-plates, keepers, staples
    • E05B2015/023—Keeper shape
    • E05B2015/0235—Stud-like
    • 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
    • E05B2047/0072—Operation
    • E05B2047/0073—Current to unlock only
    • 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
    • E05B2047/0072—Operation
    • E05B2047/0076—Current to lock only, i.e. "fail-safe"
    • 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
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • E05B47/0006—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets having a non-movable core; with permanent magnet

Definitions

  • the present invention relates to a locking device, and more particularly to a locking device provided with electromagnetic locking means for controlling the locking or unlocking by an electric current.
  • the electromagnetic locking device comprises a main part intended to be secured to a first element such as a frame or an opening, a movable longitudinal rod part provided with a retaining recess and intended to be rendered secured to a second element to lock and selectively release vis-à-vis the first element, and electromagnetic retaining means ensuring the selective retention of the movable portion on the main part.
  • the main part comprises mechanical retaining means movable between a retaining position and a release position to selectively hold in a receiving housing or release, along a longitudinal axis of engagement, the longitudinal rod provided with the retaining recess.
  • the mechanical retaining means comprise a retaining element comprising a first free end provided with a locking nose shaped and dimensioned so as to be engaged, in the retaining position, in the retaining recess of the longitudinal rod. .
  • the main part comprises unlocking locking means provided with a locking surface, and movable in a first direction parallel to the longitudinal axis of engagement between a locking position in which the locking surface prevents the displacement of the mechanical means of held away from their retaining position, and an unlocking position in which the locking surface is away from the mechanical retaining means and allows them to move to the release position.
  • the locking means are selectively retained or released, in their displacement in the first direction, by the electromagnetic retaining means.
  • the device described in the document DE 10 93 697 B is intended to reduce the operating noise of a locking device of a vehicle door.
  • This document describes a movable rod with notches in which is engaged a bolt.
  • This document provides no teaching in order to reduce the wear of the surfaces ensuring the retention of the moving part.
  • the nature of the contact between the movable rod with notches and the bolt is not described.
  • the figures seem to describe a surface locking support between the movable rod with notches and the bolt, that is to say a support that is not only linear.
  • the document DE 20 2008 006 209 U1 is intended to design an automatic locking device, reliable and inexpensive, especially for the locking of a vehicle door.
  • This document describes a set of two interlocking interlocking housings to be locked or unlocked by a single monostable actuator.
  • This document provides no teaching in order to reduce the wear of the surfaces ensuring the retention of a moving part.
  • the movable portion to be retained in the housing is never described and is not referenced in the figures. It is thus totally unknown what is the shape of the movable part to retain and therefore the nature of the contact between the locking rod and the movable part to retain. In particular, no locking support in a single-line surface is described.
  • the document DE 198 35 508 A1 aims to design a compact, inexpensive locking device opposing the depression of a lock bolt which is automatically returned to the locking position.
  • This device is not suitable or used to apply a high retention force opposing the extraction of a longitudinal rod of moving part.
  • conical locking elements can come into linear support against an oblique facet of a housing to oppose the depression of the bolt.
  • this document provides no teaching in order to reduce the wear of the surfaces ensuring the retention of a moving part.
  • the description is silent on the shape and structure of the locking elements, on their support on the housing, and on the advantages of a linear support.
  • the driving forces of a lock bolt are not high, so that there is a priori no need to provide means limiting the wear of the locking elements.
  • the problem solved by the present invention is to design a locking device comprising electromagnetic retaining means, having improved wear resistance, and increased operating reliability in case of wear.
  • the present invention aims at designing a locking device with reliable and safe retaining means, without risk of inadvertent blocking, and very simple operation for the user.
  • the present invention aims at designing a locking device that does not require any particular intervention by the user for its retaining operation other than that of simply bringing the two parts together and not requiring, for its subsequent opening, any other operation than that of removing a part away from each other in a simple movement for which the user must not provide any significant effort.
  • the invention aims to design reliable and safe retaining means, which have great insensitivity to external pollution such as dust.
  • the contact between the locking nose and the retaining element is thus made according to a support whose area is greater than that of the support only punctual provided in the document EP 2,148,027 which effectively limits the progressive deterioration of the surfaces of the locking nose and the retaining element coming into contact with each other.
  • linear contact is meant a contact extending along a straight line and of very small width perpendicular to said straight line.
  • the linear contact When the device is new, the linear contact extends along a line. After wear of the surfaces of the locking nose and the retaining element coming into contact with each other, it may happen that the linear support widens a little perpendicularly to said straight line, but this will develop always predominantly along said line, so that the possible wear occurs at a shallow depth and is not likely to affect the proper functioning of the device, especially during unlocking.
  • the linear support can develop on the retaining element to the free edge of the locking nose. This prevents the surfaces of the locking nose and the retaining element coming into contact with each other from being worn or matted, thus forming a retaining bead in the vicinity of the free edge of the nose of the nose. locking that could cause inadvertent retention of the retaining element blocking the longitudinal rod when unlocking the device.
  • the inclinations of the first ramp and the second ramp are chosen identical.
  • the presence of the first and second ramps facilitates the extraction of the longitudinal rod out of the retaining recess, the second inclined and flat ramp gradually pushing the locking nose by sliding on the first inclined plane ramp.
  • said at least one retaining element can always engage in the retaining recess.
  • the retaining recess thus has a substantially frustoconical surface bearing against the inclined flat face of the retaining element, which provides a good linear contact.
  • the mechanical retaining means may be slidably mounted in a second direction substantially perpendicular to the longitudinal axis of engagement.
  • the mechanical retaining means are thus moved in a simple movement and easy to arrange in a compact device along the longitudinal axis of engagement.
  • the mechanical retaining means are not biased towards their retaining position and / or towards their release position by any elastic return means.
  • the internal mechanism of the electromagnetic locking device is thus simplified. It has fewer parts and is easier to assemble.
  • the electromagnetic retaining means can be less bulky, less expensive and less energy consuming.
  • the polar plate when the penetration of the longitudinal rod into the receiving housing is sufficient for the locking nose to engage in the retaining recess of the longitudinal rod, the polar plate is at a distance sufficiently weak electromagnetic means of restraint to be attracted and retained by them.
  • the penetration of the longitudinal rod into the receiving housing of the main part causes the locking means to move from their unlocked position to their locking position.
  • the closing of the electromagnetic locking device thus requires no additional action from the user other than engaging the longitudinal rod in the retaining recess.
  • the only movement of the locking means from their unlocking position to their locking position causes the mechanical retaining means to move from their release position to their retaining position.
  • the locking means are thus coupled to the mechanical retaining means so as to provide a simple and reliable operation of the electromagnetic locking device.
  • the locking means can be permanently biased in the unlocking position by first elastic return means.
  • first elastic return means the locking means only has to dismiss the first element of the second element to ensure separation.
  • the locking device may comprise two diametrically opposed retaining elements around the longitudinal axis of engagement.
  • the locking device thus has a symmetrical operation and therefore insensitive to the orientation that is conferred upon it during its installation.
  • the electromagnetic retaining means comprise an electromagnetic actuator with electromagnetic sucker with current emission or current failure.
  • the electromagnetic retaining means thus have a small footprint and reduced maintenance.
  • the magnetic circuit comprises a permanent magnet.
  • This magnet generates an induced permanent magnetic field that permanently attracts the moving polar plate.
  • a magnetic field opposite to the permanent magnetic field of the magnet is produced by the electric power supply of the coil: the attraction and holding force is thus attenuated at the emission of the current.
  • suction cups there is no permanent magnet.
  • the magnetization of the magnetic circuit is obtained when the coil is electrically powered. In this case, it is at break of the current that the force of attraction and of maintenance is suppressed.
  • the electromagnetic locking device is thus protected against external pollution: in the absence of the longitudinal rod in the receiving housing, it is closed automatically by the obstruction means.
  • FIGS. 1 to 9 illustrate a particular embodiment of electromagnetic locking device 1 according to the invention.
  • an electromagnetic locking device 1 comprising a main portion 2 intended to be secured to a first element such as a frame or an opening, a movable portion 3 with longitudinal rod 4 provided with a recess of retained 5 and intended to be secured to a second element to lock and selectively release vis-à-vis the first element.
  • the electromagnetic locking device 1 comprises electromagnetic retention means 6 ensuring the selective retention of the mobile part 3 on the main part 2.
  • the main part 2 comprises mechanical retaining means 7 movable between a retaining position ( figure 7 ) and a release position ( figure 2 ) to selectively hold in a receiving housing 8 or release, along a longitudinal axis of engagement II, the longitudinal rod 4 provided with the retaining recess 5.
  • the mechanical retaining means 7 comprise two retaining elements 9a and 9b respectively comprising a first free end 10 provided with a locking nose 11 shaped and dimensioned so as to be engaged, in the retaining position, in the recess 5 of the longitudinal rod 4.
  • the retaining elements 9a and 9b are identical and more particularly visible on the Figures 8 and 9 .
  • the main part 2 comprises unlocking locking means 12, provided with a locking surface 13, and movable in a first direction II-II parallel to the longitudinal axis of engagement II between a locking position ( figure 7 ) in which the locking surface 13 prevents the movement of the mechanical retaining means 7 away from their retaining position, and an unlocking position ( figure 2 ) in which the unlocking surface 13 is away from the mechanical retaining means 7 and allows them to move in the release position.
  • the locking means 12 are selectively retained or released, in their displacement along the first direction II-II by the electromagnetic retaining means 6.
  • the mechanical retaining means 7 are slidably mounted in a second direction III-III perpendicular to the longitudinal axis of engagement I-I.
  • the locking nose 11 has a longitudinal profile with a first plane inclined ramp 14 whereas the retaining recess 5 has a longitudinal profile with a second plane inclined ramp.
  • first inclined ramp 14 has an inclination angle ⁇ while the second inclined ramp 15 has an inclination angle ⁇ .
  • the angles ⁇ and ⁇ are chosen equal. Good results have been obtained with angles ⁇ and ⁇ of about 25 °.
  • the retaining recess 5 is an outer annular groove. Because of the presence of the second plane inclined ramp, the retaining recess 5 is provided with a substantially frustoconical surface 32 intended to come into contact with the locking nose 11.
  • the retaining elements 9a and 9b comprise respectively a locking nose 11 with a flat bearing surface 31 inclined perpendicular to the plane defined by the second direction III-III and the longitudinal axis of engagement II ( Figures 8 and 9 ).
  • the contact between the substantially frustoconical surface 32 and the bearing face 31 is illustrated by the segment between the points A and B. It is therefore a linear contact developing in a third direction IV-IV and contained in FIG. the plan defined by the second direction III-III and by the longitudinal axis of commitment II.
  • This linear contact makes it possible to limit the risks of matting and wear of the surfaces in contact with the locking nose 11 and the retaining recess 5, and makes it possible to limit the friction between the locking nose 11 and the retaining recess 5 which can prevent sliding of the retaining elements 9a and 9b away from the longitudinal axis of engagement II.
  • the point B is located on the free edge 16 of the locking nose 11 so that in case of wear leading to a digging of the bearing face 31 along the segment A - B, it does not create a bead in the vicinity the free edge 16 of the locking nose 11 capable of preventing the sliding of the retaining elements 9a and 9b away from the longitudinal axis of engagement II.
  • concave and convex inclined ramps can be provided, the concavity and convexity of which are at least partially complementary to provide a linear support.
  • the locking means 12 may be indirectly integral with the movable pole plate 19.
  • the locking means 12 are permanently engaged in the unlocking position ( figure 2 ) by first elastic return means 21 which comprise a helical spring 22 interposed between the pole plate 19 and the frame 33 to which the electromagnetic actuator 20 is secured.
  • the two retaining elements 9a and 9b are arranged diametrically opposite each other around the longitudinal axis of engagement 1-1.
  • the electromagnetic actuator 20 is, according to the desired operating mode, an electromagnetic suction cup with current emission or an electromagnetic suction cup with a power failure.
  • obstructing means 23 movable between a position d obstruction ( figure 2 ) in which they close an orifice 8a of the receiving housing 8, and a release position ( figure 7 ) in which they release the orifice 8a of the receiving housing 8 to allow the longitudinal rod 4 to enter the receiving housing 8 so as to be retained by the mechanical retaining means 7.
  • the obstruction means 23 are permanently biased into the obstruction position by second elastic return means 24.
  • the second elastic return means 24 comprise a helical spring 25 interposed between the polar plate 19 and an obstruction plug 26.
  • the obstruction plug 26 is held captive in the receiving housing 8 by the intermediate body 27 having a narrowing 27a of smaller section than the base 26a of the obstruction plug 26.
  • the longitudinal rod 4 is approached to the main part 2 in a translation movement along the longitudinal axis of engagement II, illustrated by the arrow 28.
  • the longitudinal rod 4 then comes into contact with the obstruction plug 26 of the means 23 and pushes it against the second elastic return means 24 to enter the receiving housing 8 (FIG. figure 3 ).
  • the displacement of the movable pole plate 19 causes the locking means 12 to move from their unlocking position to their locking position.
  • the pole plate 19 is at a distance d sufficiently weak electromagnetic retaining means 6 to be attracted and retained by them ( figure 5 ).
  • the polar plate 19 is then attracted by the electromagnetic actuator 20 and comes into contact with the contact end face 18 ( figure 6 ), which completes to move the locking means in the locking position and, consequently, to move the mechanical retaining means 7 in the retaining position.
  • the locking surface 13 prevents any displacement of the retaining elements 9a and 9b away from the longitudinal axis of engagement I-I.
  • the tensile force exerted on the longitudinal rod 4 tending to move it according to the movement illustrated by the arrow 29 is taken up by the two linear contacts between the retaining elements 9a, 9b and the retaining recess 5.
  • the user thus has no action other than that of disengaging the longitudinal rod 4 in the receiving housing 8 to achieve the locking of the locking device 1.
  • the unlocking of the locking device 1 according to the invention is carried out in a substantially inverse manner to the operations described above.
  • the pole plate 19 is released by the electromagnetic actuator 20.
  • the polar plate 19 is then pushed by the first elastic return means 21 in the unlocking position ( figure 2 ).
  • the retaining elements 9a and 9b can then be moved freely away from the longitudinal axis of engagement II by entering an annular recess 30.
  • the pulling of the rod 4, carried out according to the movement illustrated by the arrow 29, causes via the first and second inclined ramps 14 and 15 the displacement of the retaining elements 9a and 9b away from the longitudinal axis d 1-1 commitment to their release position.
  • the protective cap 26 is pushed back by the second elastic return means 24 in the obstruction position to prevent external pollution from entering the receiving housing. 8.
  • the obstruction means 23 form an invention independent of the linear nature of the contact between the mechanical retaining means and the longitudinal rod.
  • the obstruction means 23 are for example usable in the context of the device described in document EP 2,148,027 , and may be subject to independent protection.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The device (1) has a main part (2) comprising a releasable locking unit (12). The locking unit is selectively retained or released with a movement in a first direction (II-II) by an electromagnetic retaining unit (6). A mechanical retaining unit (7) is slidably mounted in a second direction (III-III). A locking nose (11) and a retaining recess (5) are arranged into contact with each another by a linear bearing. The linear bearing is extended over a third direction in which a plane is defined by the second direction and by a longitudinal axis.

Description

La présente invention concerne un dispositif de verrouillage, et plus particulièrement un dispositif de verrouillage muni de moyens électromagnétiques de verrouillage permettant la commande de verrouillage ou de déverrouillage par un courant électrique.The present invention relates to a locking device, and more particularly to a locking device provided with electromagnetic locking means for controlling the locking or unlocking by an electric current.

Un exemple de dispositif de verrouillage est décrit dans le document EP 2 148 027 déposé au nom des présents demandeurs.An example of a locking device is described in the document EP 2,148,027 filed on behalf of the present applicants.

Dans ce document, le dispositif de verrouillage électromagnétique comprend une partie principale destinée à être rendue solidaire d'un premier élément tel qu'un dormant ou un ouvrant, une partie mobile à tige longitudinale munie d'un évidement de retenue et destinée à être rendue solidaire d'un second élément à verrouiller et libérer sélectivement vis-à-vis du premier élément, et des moyens électromagnétiques de retenue assurant la retenue sélective de la partie mobile sur la partie principale.In this document, the electromagnetic locking device comprises a main part intended to be secured to a first element such as a frame or an opening, a movable longitudinal rod part provided with a retaining recess and intended to be rendered secured to a second element to lock and selectively release vis-à-vis the first element, and electromagnetic retaining means ensuring the selective retention of the movable portion on the main part.

La partie principale comprend des moyens mécaniques de retenue déplaçables entre une position de retenue et une position de libération pour sélectivement retenir dans un logement de réception ou libérer, selon un axe longitudinal d'engagement, la tige longitudinale munie de l'évidement de retenue. Les moyens mécaniques de retenue comprennent quant à eux un élément de retenue comportant une première extrémité libre munie d'un nez de verrouillage conformé et dimensionné de manière à pouvoir être engagé, en position de retenue, dans l'évidement de retenue de la tige longitudinale. La partie principale comporte des moyens de verrouillage déverrouillables munis d'une surface de verrouillage, et déplaçables selon une première direction parallèle à l'axe longitudinal d'engagement entre une position de verrouillage dans laquelle la surface de verrouillage empêche le déplacement des moyens mécaniques de retenue à l'écart de leur position de retenue, et une position de déverrouillage dans laquelle la surface de verrouillage est à l'écart des moyens mécaniques de retenue et les autorise à se déplacer en position de libération. Les moyens de verrouillage sont sélectivement retenus ou libérés, dans leur déplacement selon la première direction, par les moyens électromagnétiques de retenue.The main part comprises mechanical retaining means movable between a retaining position and a release position to selectively hold in a receiving housing or release, along a longitudinal axis of engagement, the longitudinal rod provided with the retaining recess. The mechanical retaining means comprise a retaining element comprising a first free end provided with a locking nose shaped and dimensioned so as to be engaged, in the retaining position, in the retaining recess of the longitudinal rod. . The main part comprises unlocking locking means provided with a locking surface, and movable in a first direction parallel to the longitudinal axis of engagement between a locking position in which the locking surface prevents the displacement of the mechanical means of held away from their retaining position, and an unlocking position in which the locking surface is away from the mechanical retaining means and allows them to move to the release position. The locking means are selectively retained or released, in their displacement in the first direction, by the electromagnetic retaining means.

Lors de l'utilisation du dispositif illustré dans ce document, il a été constaté une apparition progressive de défauts de fonctionnement liés à une usure prématurée des surfaces assurant la retenue de la partie mobile.When using the device illustrated in this document, it has been found a progressive appearance of malfunctions related to premature wear of the surfaces ensuring the retention of the movable part.

Le dispositif décrit dans le document DE 10 93 697 B a pour but de diminuer le bruit de fonctionnement d'un dispositif de verrouillage d'une porte de véhicule. Ce document décrit une tige mobile à crans dans laquelle vient s'engager un pêne. Ce document n'apporte aucun enseignement dans le but de réduire l'usure des surfaces assurant la retenue de la partie mobile. En particulier, la nature du contact entre la tige mobile à crans et le pêne n'est pas décrite. Les figures semblent décrire un appui de verrouillage surfacique entre la tige mobile à crans et le pêne, c'est-à-dire un appui qui n'est pas seulement linéique.The device described in the document DE 10 93 697 B is intended to reduce the operating noise of a locking device of a vehicle door. This document describes a movable rod with notches in which is engaged a bolt. This document provides no teaching in order to reduce the wear of the surfaces ensuring the retention of the moving part. In particular, the nature of the contact between the movable rod with notches and the bolt is not described. The figures seem to describe a surface locking support between the movable rod with notches and the bolt, that is to say a support that is not only linear.

Le document DE 20 2008 006 209 U1 a pour but de concevoir un dispositif de verrouillage automatique, fiable et peu onéreux, notamment pour le verrouillage d'une porte de véhicule. Ce document décrit un ensemble de deux logements de verrouillage couplés pour être verrouillés ou déverrouillés par un unique actionneur monostable. Ce document n'apporte aucun enseignement dans le but de réduire l'usure des surfaces assurant la retenue d'une partie mobile. En particulier, la partie mobile à retenir dans les logements n'est jamais décrite et n'est pas référencée sur les figures. On ignore ainsi totalement quelle est la forme de la partie mobile à retenir et donc la nature du contact entre la tige de verrouillage et la partie mobile à retenir. En particulier, aucun appui de verrouillage selon une surface seulement linéique n'est décrit.The document DE 20 2008 006 209 U1 is intended to design an automatic locking device, reliable and inexpensive, especially for the locking of a vehicle door. This document describes a set of two interlocking interlocking housings to be locked or unlocked by a single monostable actuator. This document provides no teaching in order to reduce the wear of the surfaces ensuring the retention of a moving part. In particular, the movable portion to be retained in the housing is never described and is not referenced in the figures. It is thus totally unknown what is the shape of the movable part to retain and therefore the nature of the contact between the locking rod and the movable part to retain. In particular, no locking support in a single-line surface is described.

Le document DE 198 35 508 A1 a pour but de concevoir un dispositif compact, peu onéreux de verrouillage s'opposant à l'enfoncement d'un pêne de serrure qui est automatiquement ramené en position de verrouillage. Ce dispositif n'est pas adapté ni utilisé pour appliquer une force de rétention élevée s'opposant à l'extraction d'une tige longitudinale de partie mobile. Sur les figures, des éléments de verrouillage coniques peuvent venir en appui linéique contre une facette oblique d'un carter pour s'opposer à l'enfoncement du pêne. Mais ce document n'apporte aucun enseignement dans le but de réduire l'usure des surfaces assurant la retenue d'une partie mobile. En particulier la description est muette sur la forme et la structure des éléments de verrouillage, sur leur appui sur le carter, et sur les avantages d'un appui linéique. En outre, les efforts d'enfoncement d'un pêne de serrure ne sont pas élevés, de sorte qu'il n'y a a priori aucune nécessité de prévoir des moyens limitant l'usure des éléments de verrouillage.The document DE 198 35 508 A1 aims to design a compact, inexpensive locking device opposing the depression of a lock bolt which is automatically returned to the locking position. This device is not suitable or used to apply a high retention force opposing the extraction of a longitudinal rod of moving part. In the figures, conical locking elements can come into linear support against an oblique facet of a housing to oppose the depression of the bolt. But this document provides no teaching in order to reduce the wear of the surfaces ensuring the retention of a moving part. In particular the description is silent on the shape and structure of the locking elements, on their support on the housing, and on the advantages of a linear support. In addition, the driving forces of a lock bolt are not high, so that there is a priori no need to provide means limiting the wear of the locking elements.

Le problème que cherche à résoudre la présente invention est de concevoir un dispositif de verrouillage comprenant des moyens électromagnétiques de retenue, présentant une résistance à l'usure améliorée, et une fiabilité de fonctionnement augmentée en cas d'usure.The problem solved by the present invention is to design a locking device comprising electromagnetic retaining means, having improved wear resistance, and increased operating reliability in case of wear.

Selon un autre aspect, la présente invention vise à concevoir un dispositif de verrouillage à moyens de retenue fiables et sûrs, sans risque de blocage intempestif, et de fonctionnement très simple pour l'utilisateur. En particulier, la présente invention vise à concevoir un dispositif de verrouillage ne nécessitant aucune intervention particulière de l'utilisateur pour son fonctionnement de retenue autre que celle d'effectuer un simple rapprochement des deux pièces, et ne nécessitant, pour son ouverture ultérieure, aucune autre opération que celle de retirer une pièce à l'écart de l'autre selon un mouvement simple pour lequel l'utilisateur ne doit fournir aucun effort notable.According to another aspect, the present invention aims at designing a locking device with reliable and safe retaining means, without risk of inadvertent blocking, and very simple operation for the user. In In particular, the present invention aims at designing a locking device that does not require any particular intervention by the user for its retaining operation other than that of simply bringing the two parts together and not requiring, for its subsequent opening, any other operation than that of removing a part away from each other in a simple movement for which the user must not provide any significant effort.

Selon un autre aspect, l'invention vise à concevoir des moyens de retenue fiables et sûrs, qui présentent une grande insensibilité aux pollutions extérieures telles que la poussière.According to another aspect, the invention aims to design reliable and safe retaining means, which have great insensitivity to external pollution such as dust.

Pour atteindre ces objets ainsi que d'autres, l'invention propose un dispositif de verrouillage électromagnétique, comprenant une partie principale destinée à être rendue solidaire d'un premier élément tel qu'un dormant ou un ouvrant, une partie mobile à tige longitudinale munie d'un évidement de retenue et destinée à être rendue solidaire d'un second élément à verrouiller et libérer sélectivement vis-à-vis du premier élément, et des moyens électromagnétiques de retenue assurant la retenue sélective de la partie mobile sur la partie principale à l'encontre de son déplacement à l'écart de la partie principale,
dans lequel :

  • la partie principale comporte des moyens mécaniques de retenue déplaçables entre une position de retenue et une position de libération pour sélectivement retenir dans un logement de réception ou libérer, selon un axe longitudinal d'engagement, la tige longitudinale munie de l'évidement de retenue,
  • les moyens mécaniques de retenue comprennent un élément de retenue comportant une première extrémité libre munie d'un nez de verrouillage conformé et dimensionné de manière à pouvoir être engagé, en position de retenue, dans l'évidement de retenue de la tige longitudinale,
  • la partie principale comporte des moyens de verrouillage déverrouillables, munis d'une surface de verrouillage, et déplaçables selon une première direction parallèle à l'axe longitudinal d'engagement entre une position de verrouillage dans laquelle la surface de verrouillage empêche le déplacement des moyens mécaniques de retenue à l'écart de leur position de retenue, et une position de déverrouillage dans laquelle la surface de verrouillage est à l'écart des moyens mécaniques de retenue et les autorise à se déplacer en position de libération,
  • les moyens de verrouillage sont sélectivement retenus ou libérés, dans leur déplacement selon la première direction, par les moyens électromagnétiques de retenue ;
selon l'invention :
  • les moyens mécaniques de retenue sont montés à coulissement selon une deuxième direction,
  • le nez de verrouillage et l'évidement de retenue sont conformés de façon à venir en contact l'un de l'autre selon seulement un appui linéique se développant selon une troisième direction contenue dans le plan défini par la deuxième direction et par l'axe longitudinal d'engagement.
To achieve these objects as well as others, the invention proposes an electromagnetic locking device, comprising a main part intended to be secured to a first element such as a frame or an opening, a movable longitudinal rod provided with a retaining recess and intended to be secured to a second element to be locked and selectively release vis-à-vis the first element, and electromagnetic retaining means ensuring the selective retention of the movable part on the main part to against his movement away from the main part,
in which :
  • the main part comprises mechanical retaining means movable between a retaining position and a release position for selectively retaining in a receiving housing or releasing, in a longitudinal axis of engagement, the longitudinal rod provided with the retaining recess,
  • the mechanical retaining means comprise a retaining element comprising a first free end provided with a locking nose shaped and dimensioned so as to be engaged, in the retaining position, in the retaining recess of the longitudinal rod,
  • the main part comprises unlocking locking means, provided with a locking surface, and movable in a first direction parallel to the longitudinal axis of engagement between a locking position in which the locking surface prevents the displacement of the mechanical means retainer away from their retaining position, and an unlocking position in which the locking surface is away from the mechanical retaining means and allows them to move to the release position,
  • the locking means are selectively retained or released, in their displacement in the first direction, by the electromagnetic retaining means;
according to the invention:
  • the mechanical retaining means are slidably mounted in a second direction,
  • the locking nose and the retaining recess are shaped so as to come into contact with each other according to only a linear support developing in a third direction contained in the plane defined by the second direction and the axis longitudinal commitment.

Le contact entre le nez de verrouillage et l'élément de retenue se fait ainsi selon un appui dont la superficie est supérieure à celle de l'appui seulement ponctuel prévu dans le document EP 2 148 027 , ce qui limite efficacement la détérioration progressive des surfaces du nez de verrouillage et de l'élément de retenue venant en contact l'une de l'autre.The contact between the locking nose and the retaining element is thus made according to a support whose area is greater than that of the support only punctual provided in the document EP 2,148,027 which effectively limits the progressive deterioration of the surfaces of the locking nose and the retaining element coming into contact with each other.

La nature et l'orientation du contact linéique permet à celui-ci de ne s'opposer que très faiblement au coulissement de l'élément de retenue après déverrouillage des moyens de verrouillage. On limite ainsi efficacement le risque de retenue intempestive de la tige longitudinale lors du déverrouillage du dispositif.The nature and orientation of the linear contact allows it to oppose only very slightly to the sliding of the retaining element after unlocking the locking means. This effectively limits the risk of inadvertent retention of the longitudinal rod during unlocking of the device.

Par « contact linéique », on entend désigner un contact s'étendant selon une droite et de très faible largeur perpendiculairement à ladite droite.By "linear contact" is meant a contact extending along a straight line and of very small width perpendicular to said straight line.

Lorsque le dispositif est neuf, le contact linéique s'étend selon une droite. Après usure des surfaces du nez de verrouillage et de l'élément de retenue venant en contact l'une de l'autre, il peut arriver que l'appui linéique s'élargisse un peu perpendiculairement à ladite droite, mais celui-ci se développera toujours de façon prépondérante selon ladite droite, de sorte que l'usure éventuelle se produit sur une faible profondeur et n'est pas de nature à affecter le bon fonctionnement du dispositif, notamment lors d'un déverrouillage.When the device is new, the linear contact extends along a line. After wear of the surfaces of the locking nose and the retaining element coming into contact with each other, it may happen that the linear support widens a little perpendicularly to said straight line, but this will develop always predominantly along said line, so that the possible wear occurs at a shallow depth and is not likely to affect the proper functioning of the device, especially during unlocking.

Avantageusement, l'appui linéique peut se développer sur l'élément de retenue jusqu'au bord libre du nez de verrouillage. On évite ainsi, après une usure ou un matage des surfaces du nez de verrouillage et de l'élément de retenue venant en contact l'une de l'autre, la formation d'un bourrelet de retenue au voisinage du bord libre du nez de verrouillage qui pourrait provoquer une retenue intempestive de l'élément de retenue bloquant la tige longitudinale lors du déverrouillage du dispositif.Advantageously, the linear support can develop on the retaining element to the free edge of the locking nose. This prevents the surfaces of the locking nose and the retaining element coming into contact with each other from being worn or matted, thus forming a retaining bead in the vicinity of the free edge of the nose of the nose. locking that could cause inadvertent retention of the retaining element blocking the longitudinal rod when unlocking the device.

De préférence, on peut prévoir que :

  • le nez de verrouillage comporte un profil longitudinal à première rampe inclinée plane,
  • l'évidement de retenue comporte un profil longitudinal à deuxième rampe inclinée plane.
Preferably, it can be provided that:
  • the locking nose has a longitudinal profile with a first plane inclined ramp,
  • the retaining recess comprises a longitudinal profile with a second plane inclined ramp.

Pour procurer un appui linéique, les inclinaisons de la première rampe et de la deuxième rampe sont choisies identiques. La présence des première et deuxième rampes permet de faciliter l'extraction de la tige longitudinale hors de l'évidement de retenue, la deuxième rampe inclinée et plane venant repousser progressivement le nez de verrouillage en glissant sur la première rampe inclinée plane.To provide a linear support, the inclinations of the first ramp and the second ramp are chosen identical. The presence of the first and second ramps facilitates the extraction of the longitudinal rod out of the retaining recess, the second inclined and flat ramp gradually pushing the locking nose by sliding on the first inclined plane ramp.

Avantageusement, on peut prévoir que :

  • l'évidement de retenue est une gorge annulaire extérieure,
  • ledit au moins un élément de retenue comporte un nez de verrouillage à face d'appui plane inclinée perpendiculaire au plan défini par la deuxième direction et par l'axe longitudinal d'engagement.
Advantageously, it can be provided that:
  • the holding recess is an outer annular groove,
  • said at least one retaining element comprises a locking nose with flat bearing surface inclined perpendicular to the plane defined by the second direction and the longitudinal axis of engagement.

Ainsi, même en cas de rotation axiale de la tige longitudinale, ledit au moins un élément de retenue peut toujours s'engager dans l'évidement de retenue. Et l'évidement de retenue présente ainsi une surface sensiblement tronconique venant en appui contre la face plane inclinée de l'élément de retenue, ce qui procure bien un contact linéique.Thus, even in the case of axial rotation of the longitudinal rod, said at least one retaining element can always engage in the retaining recess. And the retaining recess thus has a substantially frustoconical surface bearing against the inclined flat face of the retaining element, which provides a good linear contact.

De préférence, les moyens mécaniques de retenue peuvent être montés à coulissement selon une deuxième direction sensiblement perpendiculaire à l'axe longitudinal d'engagement.Preferably, the mechanical retaining means may be slidably mounted in a second direction substantially perpendicular to the longitudinal axis of engagement.

Les moyens mécaniques de retenue sont ainsi déplacés selon un mouvement simple et facile à agencer dans un dispositif compact selon l'axe longitudinal d'engagement.The mechanical retaining means are thus moved in a simple movement and easy to arrange in a compact device along the longitudinal axis of engagement.

En outre, du fait que les moyens mécaniques de retenue travaillent perpendiculairement à l'axe longitudinal d'engagement de la tige longitudinale, une faible force de maintien des moyens mécaniques de retenue en position de retenue procurera malgré tout une force de retenue très importante de la tige longitudinale.In addition, because the mechanical retaining means work perpendicularly to the longitudinal axis of engagement of the longitudinal rod, a low holding force of the mechanical retaining means in the retaining position will still provide a very large retention force of the longitudinal rod.

Avantageusement, on peut prévoir que les moyens mécaniques de retenue ne sont sollicités vers leur position de retenue et/ou vers leur position de libération par aucun moyen élastique de rappel.Advantageously, it can be provided that the mechanical retaining means are not biased towards their retaining position and / or towards their release position by any elastic return means.

Le mécanisme interne du dispositif de verrouillage électromagnétique est ainsi simplifié. Celui-ci comporte moins de pièces et est plus facile à assembler.The internal mechanism of the electromagnetic locking device is thus simplified. It has fewer parts and is easier to assemble.

L'absence de moyens élastiques de rappel sollicitant les moyens mécaniques de retenue vers leur position de retenue évite aussi d'induire une résistance au déplacement des moyens mécaniques de retenue vers leur position de retenue, résistance qui nécessiterait un effort supplémentaire de la part de l'utilisateur lors de l'engagement pour le verrouillage.The absence of resilient return means biasing the mechanical retaining means to their retaining position also avoids inducing a resistance to movement of the mechanical retaining means to their retaining position, which resistance would require additional effort on the part of the user. user when engaging for locking.

Et l'absence de moyens élastiques de rappel sollicitant les moyens mécaniques de retenue vers leur position de libération permet d'avoir recours à des moyens électromagnétiques de retenue à force de retenue plus réduite : les moyens électromagnétiques de retenue peuvent ainsi être moins encombrants, moins onéreux et moins consommateurs d'énergie.And the absence of elastic return means requiring the mechanical retaining means to their release position allows to use electromagnetic retaining means with a smaller restraining force: the electromagnetic retaining means can be less bulky, less expensive and less energy consuming.

De préférence, on peut prévoir que :

  • les moyens électromagnétiques de retenue comprennent un actionneur électromagnétique ayant un corps principal à face d'extrémité de contact contre laquelle peut venir en appui une plaque polaire mobile pour y être retenue,
  • les moyens de verrouillage sont solidaires, directement ou indirectement, de la plaque polaire mobile,
  • les moyens de verrouillage sont en position de verrouillage lorsque la plaque polaire est au contact de la face d'extrémité de contact de l'actionneur électromagnétique.
Preferably, it can be provided that:
  • the electromagnetic retaining means comprise an electromagnetic actuator having a main body with a contact end face against which can abut a movable polar plate to be retained therein,
  • the locking means are integral, directly or indirectly, with the movable polar plate,
  • the locking means are in the locking position when the polar plate is in contact with the contact end face of the electromagnetic actuator.

Avantageusement, on peut prévoir que, lorsque la pénétration de la tige longitudinale dans le logement de réception est suffisante pour que le nez de verrouillage s'engage dans l'évidement de retenue de la tige longitudinale, la plaque polaire se trouve à une distance suffisamment faible des moyens électromagnétiques de retenue pour être attirée puis retenue par ceux-ci.Advantageously, it can be provided that, when the penetration of the longitudinal rod into the receiving housing is sufficient for the locking nose to engage in the retaining recess of the longitudinal rod, the polar plate is at a distance sufficiently weak electromagnetic means of restraint to be attracted and retained by them.

Avantageusement, on peut prévoir que la seule pénétration de la tige longitudinale dans le logement de réception de la partie principale provoque le déplacement des moyens de verrouillage depuis leur position de déverrouillage vers leur position de verrouillage.Advantageously, it can be provided that the penetration of the longitudinal rod into the receiving housing of the main part causes the locking means to move from their unlocked position to their locking position.

La fermeture du dispositif de verrouillage électromagnétique ne nécessite ainsi aucune action supplémentaire de l'utilisateur autre que celle d'engager la tige longitudinale dans l'évidement de retenue.The closing of the electromagnetic locking device thus requires no additional action from the user other than engaging the longitudinal rod in the retaining recess.

De préférence, on peut prévoir que le seul déplacement des moyens de verrouillage depuis leur position de déverrouillage vers leur position de verrouillage provoque le déplacement des moyens mécaniques de retenue depuis leur position de libération vers leur position de retenue.Preferably, it can be provided that the only movement of the locking means from their unlocking position to their locking position causes the mechanical retaining means to move from their release position to their retaining position.

Les moyens de verrouillage sont ainsi couplés aux moyens mécaniques de retenue de façon à procurer un fonctionnement simple et fiable du dispositif de verrouillage électromagnétique.The locking means are thus coupled to the mechanical retaining means so as to provide a simple and reliable operation of the electromagnetic locking device.

Avantageusement, les moyens de verrouillage peuvent être en permanence sollicités en position de déverrouillage par des premiers moyens de rappel élastiques. Ainsi, après déverrouillage des moyens de verrouillage, l'utilisateur n'a plus qu'à écarter le premier élément du second élément pour en assurer la séparation.Advantageously, the locking means can be permanently biased in the unlocking position by first elastic return means. Thus, after unlocking the locking means, the user only has to dismiss the first element of the second element to ensure separation.

Avantageusement, le dispositif de verrouillage peut comporter deux éléments de retenue diamétralement opposés autour de l'axe longitudinal d'engagement. Le dispositif de verrouillage présente ainsi un fonctionnement symétrique et donc peu sensible à l'orientation qui lui est conférée lors de son installation.Advantageously, the locking device may comprise two diametrically opposed retaining elements around the longitudinal axis of engagement. The locking device thus has a symmetrical operation and therefore insensitive to the orientation that is conferred upon it during its installation.

Avantageusement, on peut prévoir que les moyens électromagnétiques de retenue comprennent un actionneur électromagnétique à ventouse électromagnétique à émission de courant ou à rupture de courant.Advantageously, it can be provided that the electromagnetic retaining means comprise an electromagnetic actuator with electromagnetic sucker with current emission or current failure.

Les moyens électromagnétiques de retenue présentent ainsi un faible encombrement et une maintenance réduite.The electromagnetic retaining means thus have a small footprint and reduced maintenance.

Dans le cas des ventouses à émission de courant, le circuit magnétique comprend un aimant permanent. Cet aimant génère un champ magnétique permanent induit qui attire en permanence la plaque polaire mobile. Pour réduire suffisamment la force d'attraction et laisser ainsi échapper la plaque polaire mobile, un champ magnétique opposé au champ magnétique permanent de l'aimant est produit par l'alimentation électrique de la bobine : la force d'attraction et de maintien est ainsi atténuée à l'émission du courant.In the case of suction cups with current emission, the magnetic circuit comprises a permanent magnet. This magnet generates an induced permanent magnetic field that permanently attracts the moving polar plate. In order to reduce the attractive force sufficiently and thus to allow the moving polar plate to escape, a magnetic field opposite to the permanent magnetic field of the magnet is produced by the electric power supply of the coil: the attraction and holding force is thus attenuated at the emission of the current.

Dans le cas des ventouses à rupture de courant, il n'y a pas d'aimant permanent. L'aimantation du circuit magnétique est obtenue lorsque la bobine est alimentée électriquement. Dans ce cas, c'est à la rupture du courant que la force d'attraction et de maintien est supprimée.In the case of suction cups, there is no permanent magnet. The magnetization of the magnetic circuit is obtained when the coil is electrically powered. In this case, it is at break of the current that the force of attraction and of maintenance is suppressed.

Avantageusement, on peut prévoir que :

  • le dispositif de verrouillage comporte des moyens d'obstruction déplaçables entre une position d'obstruction dans laquelle ils obturent un orifice du logement de réception, et une position de dégagement dans laquelle ils libèrent l'orifice du logement de réception pour autoriser la tige longitudinale à pénétrer dans le logement de réception de façon à y être retenue par les moyens mécaniques de retenue,
  • les moyens d'obstruction sont en permanence sollicités en position d'obstruction par des deuxièmes moyens de rappel élastiques.
Advantageously, it can be provided that:
  • the locking device comprises movable obstruction means between an obstruction position in which they plug an orifice of the receiving housing, and a release position in which they release the orifice of the receiving housing to allow the longitudinal rod to enter the receiving accommodation in such a way as to be restrained by the mechanical means of restraint,
  • the obstruction means are permanently biased to the obstruction position by second elastic return means.

Le dispositif de verrouillage électromagnétique est ainsi protégé contre les pollutions extérieures : en l'absence de la tige longitudinale dans le logement de réception, celui-ci est obturé de façon automatique par les moyens d'obstruction.The electromagnetic locking device is thus protected against external pollution: in the absence of the longitudinal rod in the receiving housing, it is closed automatically by the obstruction means.

D'autres objets, caractéristiques et avantages de la présente invention ressortiront de la description suivante de modes de réalisation particuliers, faite en relation avec les figures jointes, parmi lesquelles :

  • la figure 1 est une vue en perspective d'un dispositif de verrouillage électromagnétique selon l'invention ;
  • les figures 2 à 7 sont des vues en coupe partielle du dispositif de verrouillage électromagnétique de la figure 1 et illustrant le fonctionnement de ce dernier ;
  • la figure 8 est une vue de dessous d'un élément de retenue ; et
  • la figure 9 est une vue en coupe de l'élément de retenue de la figure 8.
Other objects, features and advantages of the present invention will become apparent from the following description of particular embodiments, with reference to the accompanying figures, in which:
  • the figure 1 is a perspective view of an electromagnetic locking device according to the invention;
  • the Figures 2 to 7 are partial sectional views of the electromagnetic locking device of the figure 1 and illustrating the operation of the latter;
  • the figure 8 is a bottom view of a retainer; and
  • the figure 9 is a sectional view of the retaining element of the figure 8 .

Les figures 1 à 9 illustrent un mode de réalisation particulier de dispositif de verrouillage 1 électromagnétique selon l'invention.The Figures 1 to 9 illustrate a particular embodiment of electromagnetic locking device 1 according to the invention.

Sur ces figures, on distingue un dispositif de verrouillage 1 électromagnétique comprenant une partie principale 2 destinée à être rendue solidaire d'un premier élément tel qu'un dormant ou un ouvrant, une partie mobile 3 à tige longitudinale 4 munie d'un évidement de retenue 5 et destinée à être rendue solidaire d'un second élément à verrouiller et libérer sélectivement vis-à-vis du premier élément.In these figures, there is an electromagnetic locking device 1 comprising a main portion 2 intended to be secured to a first element such as a frame or an opening, a movable portion 3 with longitudinal rod 4 provided with a recess of retained 5 and intended to be secured to a second element to lock and selectively release vis-à-vis the first element.

Le dispositif de verrouillage 1 électromagnétique comprend des moyens électromagnétiques de retenue 6 assurant la retenue sélective de la partie mobile 3 sur la partie principale 2.The electromagnetic locking device 1 comprises electromagnetic retention means 6 ensuring the selective retention of the mobile part 3 on the main part 2.

La partie principale 2 comporte des moyens mécaniques de retenue 7 déplaçables entre une position de retenue (figure 7) et une position de libération (figure 2) pour sélectivement retenir dans un logement de réception 8 ou libérer, selon un axe longitudinal d'engagement I-I, la tige longitudinale 4 munie de l'évidement de retenue 5.The main part 2 comprises mechanical retaining means 7 movable between a retaining position ( figure 7 ) and a release position ( figure 2 ) to selectively hold in a receiving housing 8 or release, along a longitudinal axis of engagement II, the longitudinal rod 4 provided with the retaining recess 5.

Plus particulièrement, les moyens mécaniques de retenue 7 comprennent deux éléments de retenue 9a et 9b comportant respectivement une première extrémité libre 10 munie d'un nez de verrouillage 11 conformé et dimensionné de manière à pouvoir être engagé, en position de retenue, dans l'évidement de retenue 5 de la tige longitudinale 4. Les éléments de retenue 9a et 9b sont identiques et plus particulièrement visibles sur les figures 8 et 9.More particularly, the mechanical retaining means 7 comprise two retaining elements 9a and 9b respectively comprising a first free end 10 provided with a locking nose 11 shaped and dimensioned so as to be engaged, in the retaining position, in the recess 5 of the longitudinal rod 4. The retaining elements 9a and 9b are identical and more particularly visible on the Figures 8 and 9 .

Sur les figures 2 à 7, la partie principale 2 comporte des moyens de verrouillage 12 déverrouillables, munis d'une surface de verrouillage 13, et déplaçables selon une première direction II-II parallèle à l'axe longitudinal d'engagement I-I entre une position de verrouillage (figure 7) dans laquelle la surface de verrouillage 13 empêche le déplacement des moyens mécaniques de retenue 7 à l'écart de leur position de retenue, et une position de déverrouillage (figure 2) dans laquelle la surface de déverrouillage 13 est à l'écart des moyens mécaniques de retenue 7 et les autorise à se déplacer en position de libération.On the Figures 2 to 7 , the main part 2 comprises unlocking locking means 12, provided with a locking surface 13, and movable in a first direction II-II parallel to the longitudinal axis of engagement II between a locking position ( figure 7 ) in which the locking surface 13 prevents the movement of the mechanical retaining means 7 away from their retaining position, and an unlocking position ( figure 2 ) in which the unlocking surface 13 is away from the mechanical retaining means 7 and allows them to move in the release position.

Les moyens de verrouillage 12 sont sélectivement retenus ou libérés, dans leur déplacement selon la première direction II-II par les moyens électromagnétiques de retenue 6.The locking means 12 are selectively retained or released, in their displacement along the first direction II-II by the electromagnetic retaining means 6.

Les moyens mécaniques de retenue 7 sont montés à coulissement selon une deuxième direction III-III perpendiculaire à l'axe longitudinal d'engagement I-I.The mechanical retaining means 7 are slidably mounted in a second direction III-III perpendicular to the longitudinal axis of engagement I-I.

Sur les figures 2 à 9, on constate que le nez de verrouillage 11 comporte un profil longitudinal à première rampe inclinée 14 plane tandis que l'évidement de retenue 5 comporte un profil longitudinal à deuxième rampe inclinée 15 plane. On voit plus particulièrement sur la figure 2 que la première rampe inclinée 14 présente un angle d'inclinaison α tandis que la deuxième rampe inclinée 15 présente un angle d'inclinaison β. Les angles α et β sont choisis égaux. De bons résultats ont été obtenus avec des angles α et β d'environ 25°.On the Figures 2 to 9 it can be seen that the locking nose 11 has a longitudinal profile with a first plane inclined ramp 14 whereas the retaining recess 5 has a longitudinal profile with a second plane inclined ramp. We see more particularly on the figure 2 that the first inclined ramp 14 has an inclination angle α while the second inclined ramp 15 has an inclination angle β. The angles α and β are chosen equal. Good results have been obtained with angles α and β of about 25 °.

On voit sur les figures 1, 8 et 9 que l'évidement de retenue 5 est une gorge annulaire extérieure. Du fait de la présence de la deuxième rampe inclinée 15 plane, l'évidement de retenue 5 est muni d'une surface sensiblement tronconique 32 destinée à venir au contact du nez de verrouillage 11. De leur côté, les éléments de retenue 9a et 9b comportent respectivement un nez de verrouillage 11 à face d'appui 31 plane inclinée perpendiculaire au plan défini par la deuxième direction III-III et par l'axe longitudinal d'engagement I-I (figures 8 et 9).We see on figures 1 , 8 and 9 that the retaining recess 5 is an outer annular groove. Because of the presence of the second plane inclined ramp, the retaining recess 5 is provided with a substantially frustoconical surface 32 intended to come into contact with the locking nose 11. On their side, the retaining elements 9a and 9b comprise respectively a locking nose 11 with a flat bearing surface 31 inclined perpendicular to the plane defined by the second direction III-III and the longitudinal axis of engagement II ( Figures 8 and 9 ).

Le contact entre la surface sensiblement tronconique 32 et la face d'appui 31 est illustré par le segment compris entre les points A et B. Il s'agit donc d'un contact linéique se développant selon une troisième direction IV-IV et contenu dans le plan défini par la deuxième direction III-III et par l'axe longitudinal d'engagement I-I. Ce contact linéique permet de limiter les risques de matage et d'usure des surfaces en contact du nez de verrouillage 11 et de l'évidement de retenue 5, et permet de limiter les frottements entre le nez de verrouillage 11 et l'évidement de retenue 5 susceptibles d'empêcher le coulissement des éléments de retenue 9a et 9b à l'écart de l'axe longitudinal d'engagement I-I.The contact between the substantially frustoconical surface 32 and the bearing face 31 is illustrated by the segment between the points A and B. It is therefore a linear contact developing in a third direction IV-IV and contained in FIG. the plan defined by the second direction III-III and by the longitudinal axis of commitment II. This linear contact makes it possible to limit the risks of matting and wear of the surfaces in contact with the locking nose 11 and the retaining recess 5, and makes it possible to limit the friction between the locking nose 11 and the retaining recess 5 which can prevent sliding of the retaining elements 9a and 9b away from the longitudinal axis of engagement II.

Le point B est situé sur le bord libre 16 du nez de verrouillage 11 afin qu'en cas d'usure conduisant à un creusement de la face d'appui 31 selon le segment A - B, il ne se crée pas de bourrelet au voisinage du bord libre 16 du nez de verrouillage 11 susceptible d'empêcher le coulissement des éléments de retenue 9a et 9b à l'écart de l'axe longitudinal d'engagement I-I.The point B is located on the free edge 16 of the locking nose 11 so that in case of wear leading to a digging of the bearing face 31 along the segment A - B, it does not create a bead in the vicinity the free edge 16 of the locking nose 11 capable of preventing the sliding of the retaining elements 9a and 9b away from the longitudinal axis of engagement II.

En alternative aux rampes inclinées 14 et 15 planes, on peut prévoir des rampes inclinées respectivement concave et convexe dont la concavité et la convexité sont au moins en partie complémentaires pour procurer un appui linéique.As an alternative to the inclined ramps 14 and 15 planes, concave and convex inclined ramps can be provided, the concavity and convexity of which are at least partially complementary to provide a linear support.

On voit également que :

  • les moyens électromagnétiques de retenue 6 comprennent un actionneur électromagnétique 20 ayant un corps principal 17 à face d'extrémité de contact 18 contre laquelle peut venir en appui une plaque polaire 19 mobile pour y être retenue,
  • les moyens de verrouillage 12 sont directement solidaires de la plaque polaire 19 mobile,
  • les moyens de verrouillage 12 sont en position de verrouillage lorsque la plaque polaire 19 est au contact de la face d'extrémité de contact 18 de l'actionneur électromagnétique 20.
We also see that:
  • the electromagnetic retaining means 6 comprise an electromagnetic actuator 20 having a main body 17 with a contact end face 18 against which a movable pole plate 19 can be supported to be retained,
  • the locking means 12 are directly integral with the movable polar plate 19,
  • the locking means 12 are in the locking position when the polar plate 19 is in contact with the contact end face 18 of the electromagnetic actuator 20.

En alternative, les moyens de verrouillage 12 peuvent être indirectement solidaires de la plaque polaire 19 mobile.Alternatively, the locking means 12 may be indirectly integral with the movable pole plate 19.

Les moyens de verrouillage 12 sont en permanence sollicités en position de déverrouillage (figure 2) par des premiers moyens de rappel élastiques 21 qui comprennent un ressort hélicoïdal 22 intercalé entre la plaque polaire 19 et le bâti 33 auquel est solidarisé l'actionneur électromagnétique 20.The locking means 12 are permanently engaged in the unlocking position ( figure 2 ) by first elastic return means 21 which comprise a helical spring 22 interposed between the pole plate 19 and the frame 33 to which the electromagnetic actuator 20 is secured.

Les deux éléments de retenue 9a et 9b sont disposés diamétralement de façon opposée autour de l'axe longitudinal d'engagement 1-1.The two retaining elements 9a and 9b are arranged diametrically opposite each other around the longitudinal axis of engagement 1-1.

L'actionneur électromagnétique 20 est, selon le mode de fonctionnement souhaité, une ventouse électromagnétique à émission de courant ou une ventouse électromagnétique à rupture de courant.The electromagnetic actuator 20 is, according to the desired operating mode, an electromagnetic suction cup with current emission or an electromagnetic suction cup with a power failure.

Afin de protéger le dispositif de verrouillage 1 contre les pollutions extérieures susceptibles de venir encrasser le logement de réception et endommager le fonctionnement des moyens mécaniques de retenue 7 et des moyens de verrouillage 12, on prévoit des moyens d'obstruction 23 déplaçables entre une position d'obstruction (figure 2) dans laquelle ils obturent un orifice 8a du logement de réception 8, et une position de dégagement (figure 7) dans laquelle ils libèrent l'orifice 8a du logement de réception 8 pour autoriser la tige longitudinale 4 à pénétrer dans le logement de réception 8 de façon à y être retenue par les moyens mécaniques de retenue 7.In order to protect the locking device 1 against external pollution likely to clog the receiving housing and damage the operation of the mechanical retaining means 7 and the locking means 12, there is provided obstructing means 23 movable between a position d obstruction ( figure 2 ) in which they close an orifice 8a of the receiving housing 8, and a release position ( figure 7 ) in which they release the orifice 8a of the receiving housing 8 to allow the longitudinal rod 4 to enter the receiving housing 8 so as to be retained by the mechanical retaining means 7.

Les moyens d'obstruction 23 sont en permanence sollicités en position d'obstruction par des deuxièmes moyens de rappel élastiques 24. Les deuxièmes moyens de rappel élastiques 24 comprennent un ressort hélicoïdal 25 intercalé entre la plaque polaire 19 et un bouchon d'obstruction 26. Le bouchon d'obstruction 26 est retenu captif dans le logement de réception 8 par le corps intermédiaire 27 présentant un rétrécissement 27a de section plus réduite que la base 26a du bouchon d'obstruction 26.The obstruction means 23 are permanently biased into the obstruction position by second elastic return means 24. The second elastic return means 24 comprise a helical spring 25 interposed between the polar plate 19 and an obstruction plug 26. The obstruction plug 26 is held captive in the receiving housing 8 by the intermediate body 27 having a narrowing 27a of smaller section than the base 26a of the obstruction plug 26.

Le fonctionnement du dispositif de verrouillage 1 selon l'invention va désormais être explicité à l'aide des figures 2 à 7. Sur la figure 2, la tige longitudinale 4 est approchée de la partie principale 2 selon un mouvement de translation selon l'axe longitudinal d'engagement I-I, illustré par la flèche 28. La tige longitudinale 4 vient alors au contact du bouchon d'obstruction 26 des moyens d'obstruction 23 et repousse celui-ci à l'encontre des deuxièmes moyens de rappel élastiques 24 pour pénétrer dans le logement de réception 8 (figure 3).The operation of the locking device 1 according to the invention will now be explained using the Figures 2 to 7 . On the figure 2 , the longitudinal rod 4 is approached to the main part 2 in a translation movement along the longitudinal axis of engagement II, illustrated by the arrow 28. The longitudinal rod 4 then comes into contact with the obstruction plug 26 of the means 23 and pushes it against the second elastic return means 24 to enter the receiving housing 8 (FIG. figure 3 ).

En fin de course du bouchon d'obstruction 26, celui-ci vient au contact de la plaque polaire 19 mobile (figure 4), et la poursuite du mouvement de translation illustré par la flèche 28 provoque alors le déplacement de la plaque polaire 19 mobile vers la face d'extrémité de contact 18 de l'actionneur électromagnétique 20.At the end of the race of the obstruction plug 26, it comes into contact with the movable polar plate 19 ( figure 4 ), and the continuation of the translational movement illustrated by the arrow 28 then causes the moving polar plate 19 to move towards the contact end face 18 of the electromagnetic actuator 20.

Le déplacement de la plaque polaire 19 mobile provoque le déplacement des moyens de verrouillage 12 depuis leur position de déverrouillage vers leur position de verrouillage. La surface de verrouillage 13, qui présente une inclinaison d'angle γ par rapport à l'axe longitudinal d'engagement I-I (figure 2), sollicite alors les moyens mécaniques de retenue 7 vers leur position de retenue.The displacement of the movable pole plate 19 causes the locking means 12 to move from their unlocking position to their locking position. The locking surface 13, which has an inclination angle γ with respect to the longitudinal axis of engagement II ( figure 2 then urges the mechanical retaining means 7 towards their retaining position.

Lorsque la pénétration de la tige longitudinale 4 dans le logement de réception 8 est suffisante pour que les nez de verrouillage 11 s'engagent dans l'évidement de retenue 5 de la tige longitudinale 4, la plaque polaire 19 se trouve à une distance d suffisamment faible des moyens électromagnétiques de retenue 6 pour être attirée et retenue par ceux-ci (figure 5).When the penetration of the longitudinal rod 4 into the receiving housing 8 is sufficient for the locking noses 11 to engage in the retaining recess 5 of the longitudinal rod 4, the pole plate 19 is at a distance d sufficiently weak electromagnetic retaining means 6 to be attracted and retained by them ( figure 5 ).

La plaque polaire 19 est alors attirée par l'actionneur électromagnétique 20 et vient au contact de la face d'extrémité de contact 18 (figure 6), ce qui achève de déplacer les moyens de verrouillage en position de verrouillage et, par conséquent, de déplacer les moyens mécaniques de retenue 7 en position de retenue.The polar plate 19 is then attracted by the electromagnetic actuator 20 and comes into contact with the contact end face 18 ( figure 6 ), which completes to move the locking means in the locking position and, consequently, to move the mechanical retaining means 7 in the retaining position.

Lorsque la tige longitudinale 4 est déplacée selon l'axe longitudinal d'engagement I-I à l'écart de la partie principale 2 selon un mouvement illustré par la flèche 29 (figure 7), la première rampe inclinée 14 des nez de verrouillage 11 vient en contact avec la deuxième rampe inclinée plane 15 de l'évidement de retenue 5. Le nez de verrouillage et l'évidement de retenue 5 sont en contact l'un avec l'autre selon un appui linéique.When the longitudinal rod 4 is moved along the longitudinal axis of engagement II away from the main part 2 in a movement illustrated by the arrow 29 ( figure 7 ), the first inclined ramp 14 of the locking noses 11 comes into contact with the second flat inclined ramp 15 of the retaining recess 5. The locking nose and the retaining recess 5 are in contact with each other. other according to a linear support.

Tant que la plaque polaire 19 est en contact avec la face d'extrémité de contact 18, la surface de verrouillage 13 empêche tout déplacement des éléments de retenue 9a et 9b à l'écart de l'axe longitudinal d'engagement I-I. La force de traction exercée sur la tige longitudinale 4 tendant à la déplacer selon le mouvement illustré par la flèche 29 est reprise par les deux contacts linéiques entre les éléments de retenue 9a, 9b et l'évidement de retenue 5.As long as the pole plate 19 is in contact with the contact end face 18, the locking surface 13 prevents any displacement of the retaining elements 9a and 9b away from the longitudinal axis of engagement I-I. The tensile force exerted on the longitudinal rod 4 tending to move it according to the movement illustrated by the arrow 29 is taken up by the two linear contacts between the retaining elements 9a, 9b and the retaining recess 5.

On constate que la seule pénétration de la tige longitudinale 4 dans le logement de réception 8 de la partie principale 2 provoque le déplacement des moyens de verrouillage 12 depuis leur position de déverrouillage vers leur position de verrouillage.It is found that the penetration of the longitudinal rod 4 into the receiving housing 8 of the main part 2 causes the locking means 12 to move from their unlocked position to their locking position.

Et on constate également que le seul déplacement des moyens de verrouillage 12 depuis leur position de déverrouillage vers leur position de verrouillage provoque le déplacement des moyens mécaniques de retenue 7 depuis leur position de libération vers leur position de retenue.And it is also noted that the only displacement of the locking means 12 from their unlocking position to their locking position causes the mechanical retaining means 7 to move from their release position to their retaining position.

L'utilisateur n'a ainsi aucune action autre que celle de dégager la tige longitudinale 4 dans le logement de réception 8 pour parvenir au verrouillage du dispositif de verrouillage 1.The user thus has no action other than that of disengaging the longitudinal rod 4 in the receiving housing 8 to achieve the locking of the locking device 1.

Le déverrouillage du dispositif de verrouillage 1 selon l'invention s'effectue d'une façon sensiblement inverse aux opérations décrites ci-dessus.The unlocking of the locking device 1 according to the invention is carried out in a substantially inverse manner to the operations described above.

Tout d'abord, la plaque polaire 19 est libérée par l'actionneur électromagnétique 20. La plaque polaire 19 est alors repoussée par les premiers moyens élastiques de rappel 21 en position de déverrouillage (figure 2). Les éléments de retenue 9a et 9b peuvent alors être librement déplacés à l'écart de l'axe longitudinal d'engagement I-I en venant pénétrer dans un évidement annulaire 30.First, the pole plate 19 is released by the electromagnetic actuator 20. The polar plate 19 is then pushed by the first elastic return means 21 in the unlocking position ( figure 2 ). The retaining elements 9a and 9b can then be moved freely away from the longitudinal axis of engagement II by entering an annular recess 30.

La traction de la tige 4, effectuée selon le mouvement illustré par la flèche 29, provoque par l'intermédiaire des premières et deuxièmes rampes inclinées 14 et 15 le déplacement des éléments de retenue 9a et 9b à l'écart de l'axe longitudinal d'engagement 1-1 vers leur position de libération.The pulling of the rod 4, carried out according to the movement illustrated by the arrow 29, causes via the first and second inclined ramps 14 and 15 the displacement of the retaining elements 9a and 9b away from the longitudinal axis d 1-1 commitment to their release position.

Au fur et à mesure du retrait de la tige longitudinale 4 du logement de réception 8, le bouchon de protection 26 est repoussé par les deuxièmes moyens de rappel élastiques 24 en position d'obstruction pour empêcher les pollutions extérieures de pénétrer dans le logement de réception 8.As and when the longitudinal rod 4 of the receiving housing 8 is withdrawn, the protective cap 26 is pushed back by the second elastic return means 24 in the obstruction position to prevent external pollution from entering the receiving housing. 8.

On constate que les moyens mécaniques de retenue 7 ne sont sollicités vers leur position de retenue et/ou vers leur position de libération par aucun moyen élastique de rappel.It can be seen that the mechanical retaining means 7 are not biased towards their retaining position and / or towards their release position by any elastic return means.

Il doit être précisé que les moyens d'obstruction 23 forment une invention indépendante de la nature linéique du contact entre les moyens mécaniques de retenue et la tige longitudinale. Les moyens d'obstruction 23 sont par exemple utilisables dans le cadre du dispositif décrit dans le document EP 2 148 027 , et pourront faire l'objet d'une protection indépendante.It should be pointed out that the obstruction means 23 form an invention independent of the linear nature of the contact between the mechanical retaining means and the longitudinal rod. The obstruction means 23 are for example usable in the context of the device described in document EP 2,148,027 , and may be subject to independent protection.

La présente invention n'est pas limitée aux modes de réalisation qui ont été explicitement décrits, mais elle en inclut les diverses variantes et généralisations contenues dans le domaine des revendications ci-après.The present invention is not limited to the embodiments which have been explicitly described, but it includes the various variants and generalizations thereof within the scope of the claims below.

Claims (14)

Dispositif de verrouillage (1) électromagnétique, comprenant une partie principale (2) destinée à être rendue solidaire d'un premier élément tel qu'un dormant ou un ouvrant, une partie mobile (3) à tige longitudinale (4) munie d'un évidement de retenue (5) et destinée à être rendue solidaire d'un second élément à verrouiller et libérer sélectivement vis-à-vis du premier élément, et des moyens électromagnétiques de retenue (6) assurant la retenue sélective de la partie mobile (3) sur la partie principale (2) à l'encontre de son déplacement à l'écart de la partie principale (2),
dans lequel : - la partie principale (2) comporte des moyens mécaniques de retenue (7) déplaçables entre une position de retenue et une position de libération pour sélectivement retenir dans un logement de réception (8) ou libérer, selon un axe longitudinal d'engagement (I-I), la tige longitudinale (4) munie de l'évidement de retenue (5), - les moyens mécaniques de retenue (7) comprennent un élément de retenue (9a, 9b) comportant une première extrémité libre (10) munie d'un nez de verrouillage (11) conformé et dimensionné de manière à pouvoir être engagé, en position de retenue, dans l'évidement de retenue (5) de la tige longitudinale (4), - la partie principale (2) comporte des moyens de verrouillage (12) déverrouillables, munis d'une surface de verrouillage (13), et déplaçables selon une première direction (II-II) parallèle à l'axe longitudinal d'engagement (I-I) entre une position de verrouillage dans laquelle la surface de verrouillage (13) empêche le déplacement des moyens mécaniques de retenue (7) à l'écart de leur position de retenue, et une position de déverrouillage dans laquelle la surface de verrouillage (13) est à l'écart des moyens mécaniques de retenue (7) et les autorise à se déplacer en position de libération, - les moyens de verrouillage (12) sont sélectivement retenus ou libérés, dans leur déplacement selon la première direction (II-II), par les moyens électromagnétiques de retenue (6), caractérisé en ce que : - les moyens mécaniques de retenue (7) sont montés à coulissement selon une deuxième direction (III-III), - le nez de verrouillage (11) et l'évidement de retenue (5) sont conformés de façon à venir en contact l'un de l'autre selon seulement un appui linéique se développant selon une troisième direction (IV-IV) contenue dans le plan défini par la deuxième direction (III-III) et par l'axe longitudinal d'engagement (I-I). An electromagnetic locking device (1) comprising a main part (2) intended to be secured to a first element such as a frame or an opening, a movable part (3) with a longitudinal rod (4) provided with a retaining recess (5) and intended to be made integral with a second element to be locked and selectively release with respect to the first element, and electromagnetic retaining means (6) providing selective retention of the mobile part (3). ) on the main part (2) against its movement away from the main part (2),
in which : - the main part (2) comprises mechanical retaining means (7) movable between a retaining position and a release position to selectively hold in a receiving housing (8) or release, according to a longitudinal axis of engagement (II ), the longitudinal rod (4) provided with the retaining recess (5), the mechanical retaining means (7) comprise a retaining element (9a, 9b) having a first free end (10) provided with a locking nose (11) shaped and dimensioned so as to be engaged, in the position of retained in the retaining recess (5) of the longitudinal rod (4), the main part (2) comprises unlocking locking means (12) provided with a locking surface (13) and movable in a first direction (II-II) parallel to the longitudinal axis of engagement (II); ) between a locking position in which the locking surface (13) prevents the movement of the mechanical retaining means (7) away from their retaining position, and an unlocking position in which the locking surface (13) is away from the mechanical retaining means (7) and allows them to move in the release position, the locking means (12) are selectively retained or released, in their displacement in the first direction (II-II), by the electromagnetic retaining means (6), characterized in that the mechanical retaining means (7) are slidably mounted in a second direction (III-III), - the locking nose (11) and the retaining recess (5) are shaped so as to come into contact with each other according to only a linear support developing in a third direction (IV-IV) contained in the plane defined by the second direction (III-III) and by the longitudinal axis of engagement (II). Dispositif de verrouillage (1) selon la revendication 1, caractérisé en ce que l'appui linéique se développe sur l'élément de retenue (9a, 9b) jusqu'au bord libre (16) du nez de verrouillage (11).Locking device (1) according to claim 1, characterized in that the linear support is developed on the retaining element (9a, 9b) to the free edge (16) of the locking nose (11). Dispositif de verrouillage (1) selon l'une des revendications 1 ou 2, caractérisé en ce que : - le nez de verrouillage (11) comporte un profil longitudinal à première rampe inclinée (14) plane, - l'évidement de retenue (5) comporte un profil longitudinal à deuxième rampe inclinée (15) plane. Locking device (1) according to one of claims 1 or 2, characterized in that : the locking nose (11) comprises a longitudinal profile with a flat first inclined ramp (14), - The retaining recess (5) has a longitudinal profile with a second inclined ramp (15) plane. Dispositif de verrouillage selon l'une quelconque des revendications 1 à 3, caractérisé en que : - l'évidement de retenue (5) est une gorge annulaire extérieure, - ledit au moins un élément de retenue (9a, 9b) comporte un nez de verrouillage (11) à face d'appui (31) plane inclinée perpendiculaire au plan défini par la deuxième direction (III-III) et par l'axe longitudinal d'engagement (I-I). Locking device according to one of Claims 1 to 3, characterized in that: the holding recess (5) is an external annular groove, said at least one retaining element (9a, 9b) comprises a locking nose (11) with a flat bearing face (31) inclined perpendicular to the plane defined by the second direction (III-III) and by the longitudinal axis. of commitment (II). Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la deuxième direction (III-III) est sensiblement perpendiculaire à l'axe longitudinal d'engagement (I-I).Locking device (1) according to any one of claims 1 to 4, characterized in that the second direction (III-III) is substantially perpendicular to the longitudinal axis of engagement (II). Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les moyens mécaniques de retenue (7) ne sont sollicités vers leur position de retenue et/ou vers leur position de libération par aucun moyen élastique de rappel.Locking device (1) according to any one of claims 1 to 5, characterized in that the mechanical retaining means (7) are not biased towards their retaining position and / or towards their release position by any elastic means of recall. Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que : - les moyens électromagnétiques de retenue (6) comprennent un actionneur électromagnétique (20) ayant un corps principal (17) à face d'extrémité de contact (18) contre laquelle peut venir en appui une plaque polaire (19) mobile pour y être retenue, - les moyens de verrouillage (12) sont solidaires, directement ou indirectement, de la plaque polaire (19) mobile, - les moyens de verrouillage (12) sont en position de verrouillage lorsque la plaque polaire (19) est au contact de la face d'extrémité de contact (18) de l'actionneur électromagnétique (20). Locking device (1) according to one of Claims 1 to 6, characterized in that : the electromagnetic retaining means (6) comprise an electromagnetic actuator (20) having a main body (17) with a contact end face (18) against which a movable polar plate (19) can be supported to be retained therein , the locking means (12) are integral, directly or indirectly, with the movable polar plate (19), - The locking means (12) are in the locking position when the pole plate (19) is in contact with the contact end face (18) of the electromagnetic actuator (20). Dispositif de verrouillage (1) selon la revendication 7, caractérisé en ce que, lorsque la pénétration de la tige longitudinale (4) dans le logement de réception (8) est suffisante pour que le nez de verrouillage (11) s'engage dans l'évidement de retenue (5) de la tige longitudinale (4), la plaque polaire (19) se trouve à une distance (d) suffisamment faible des moyens électromagnétiques de retenue (6) pour être attirée puis retenue par ceux-ci.Locking device (1) according to claim 7, characterized in that , when the penetration of the longitudinal rod (4) into the receiving housing (8) is sufficient for the locking nose (11) to engage with the recess (5) of the longitudinal rod (4), the polar plate (19) is at a distance (d) sufficiently low electromagnetic retention means (6) to be attracted and retained by them. Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la seule pénétration de la tige longitudinale (4) dans le logement de réception (8) de la partie principale (2) provoque le déplacement des moyens de verrouillage (12) depuis leur position de déverrouillage vers leur position de verrouillage.Locking device (1) according to one of Claims 1 to 8, characterized in that the penetration of the longitudinal rod (4) into the receiving housing (8) of the main part (2) causes the movement of the locking means (12) from their unlocking position to their locking position. Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le seul déplacement des moyens de verrouillage (12) depuis leur position de déverrouillage vers leur position de verrouillage provoque le déplacement des moyens mécaniques de retenue (7) depuis leur position de libération vers leur position de retenue.Locking device (1) according to any one of claims 1 to 9, characterized in that the only displacement of the locking means (12) from their unlocking position to their locking position causes the displacement of the mechanical retaining means ( 7) from their release position to their retaining position. Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que les moyens de verrouillage (12) sont en permanence sollicités en position de déverrouillage par des premiers moyens de rappel élastiques (21).Locking device (1) according to any one of claims 1 to 10, characterized in that the locking means (12) are permanently biased in the unlocking position by first elastic return means (21). Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 11, caractérisé en qu'il comporte deux éléments de retenue (9a, 9b) diamétralement opposés autour de l'axe longitudinal d'engagement (I-I).Locking device (1) according to any one of claims 1 to 11, characterized in that it comprises two retaining elements (9a, 9b) diametrically opposed about the longitudinal axis of engagement (I-I). Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 12, caractérisé en ce que les moyens électromagnétiques de retenue (6) comprennent un actionneur électromagnétique (20) à ventouse électromagnétique à émission de courant ou à rupture de courant.Locking device (1) according to any one of claims 1 to 12, characterized in that the electromagnetic retaining means (6) comprise an electromagnetic actuator (20) with electromagnetic suction cup current or current breaking. Dispositif de verrouillage (1) selon l'une quelconque des revendications 1 à 13, caractérisé en ce que : - il comporte des moyens d'obstruction (23) déplaçables entre une position d'obstruction dans laquelle ils obturent un orifice (8a) du logement de réception (8), et une position de dégagement dans laquelle ils libèrent l'orifice (8a) du logement de réception (8) pour autoriser la tige longitudinale (4) à pénétrer dans le logement de réception (8) de façon à y être retenue par les moyens mécaniques de retenue (7), - les moyens d'obstruction (23) sont en permanence sollicités en position d'obstruction par des deuxièmes moyens de rappel élastiques (24). Locking device (1) according to one of Claims 1 to 13, characterized in that : - It comprises obstruction means (23) movable between an obstruction position in which they close an orifice (8a) of the receiving housing (8), and a release position in which they release the orifice (8a) receiving housing (8) for allowing the longitudinal rod (4) to enter the receiving housing (8) so as to be retained by the mechanical retaining means (7), - The obstruction means (23) are permanently solicited in the obstructed position by second elastic return means (24).
EP12191173.9A 2011-11-03 2012-11-02 Electromagnetic locking device with linear support Active EP2589733B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1159973A FR2982301B1 (en) 2011-11-03 2011-11-03 ELECTROMAGNETIC LOCKING DEVICE WITH LINEAR SUPPORT

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EP2589733A1 true EP2589733A1 (en) 2013-05-08
EP2589733B1 EP2589733B1 (en) 2018-01-03

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EP12191173.9A Active EP2589733B1 (en) 2011-11-03 2012-11-02 Electromagnetic locking device with linear support

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FR (1) FR2982301B1 (en)

Cited By (3)

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CN109572322A (en) * 2018-10-24 2019-04-05 深圳市朗驰欣创科技股份有限公司 A kind of universal wheel of the robot with magnetic-holding electric magnet lockable mechanism
IT201800004242A1 (en) * 2018-04-05 2019-10-05 LOCKING DEVICE FOR SLIDING FRAMES.
GB2579212A (en) * 2018-11-23 2020-06-17 Flipfix Ltd Access hatch

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FR3137140B1 (en) * 2022-06-24 2024-06-21 A Raymond Et Cie Magnetic fixing device

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DE1093697B (en) 1956-10-01 1960-11-24 Daimler Benz Ag Door lock for motor vehicle doors, especially mortise lock
US5603536A (en) * 1995-09-26 1997-02-18 Applied Power Inc. Linear preload fluid power operated latch
DE19835508A1 (en) 1998-08-06 2000-02-10 Tst Tresor Und Schlostechnik G Locking point unit for electronic locks has guide body with locking contour with working part held in locking position by spring incorporating two locking elements, has compact design
DE202008006209U1 (en) 2008-04-26 2008-08-21 Gudermann, Adolf Electromechanical pull-out and flap protection
EP2148027A1 (en) 2008-07-22 2010-01-27 Luxalp Electromechanical locking device

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GB2380516B (en) * 2001-10-05 2005-07-27 Accuride Int Ltd Rear interlock

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Publication number Priority date Publication date Assignee Title
DE1093697B (en) 1956-10-01 1960-11-24 Daimler Benz Ag Door lock for motor vehicle doors, especially mortise lock
US5603536A (en) * 1995-09-26 1997-02-18 Applied Power Inc. Linear preload fluid power operated latch
DE19835508A1 (en) 1998-08-06 2000-02-10 Tst Tresor Und Schlostechnik G Locking point unit for electronic locks has guide body with locking contour with working part held in locking position by spring incorporating two locking elements, has compact design
DE202008006209U1 (en) 2008-04-26 2008-08-21 Gudermann, Adolf Electromechanical pull-out and flap protection
EP2148027A1 (en) 2008-07-22 2010-01-27 Luxalp Electromechanical locking device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800004242A1 (en) * 2018-04-05 2019-10-05 LOCKING DEVICE FOR SLIDING FRAMES.
WO2019193480A1 (en) * 2018-04-05 2019-10-10 Mypro Research S.R.L. Closing device for sliding doors/windows
CN109572322A (en) * 2018-10-24 2019-04-05 深圳市朗驰欣创科技股份有限公司 A kind of universal wheel of the robot with magnetic-holding electric magnet lockable mechanism
CN109572322B (en) * 2018-10-24 2023-05-26 深圳市朗驰欣创科技股份有限公司 Universal wheel with magnetic latching electromagnet locking mechanism for robot
GB2579212A (en) * 2018-11-23 2020-06-17 Flipfix Ltd Access hatch

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FR2982301A1 (en) 2013-05-10
EP2589733B1 (en) 2018-01-03
FR2982301B1 (en) 2013-11-29

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