EP3208406A1 - Lock for motor vehicle - Google Patents

Lock for motor vehicle Download PDF

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Publication number
EP3208406A1
EP3208406A1 EP17156828.0A EP17156828A EP3208406A1 EP 3208406 A1 EP3208406 A1 EP 3208406A1 EP 17156828 A EP17156828 A EP 17156828A EP 3208406 A1 EP3208406 A1 EP 3208406A1
Authority
EP
European Patent Office
Prior art keywords
rotor
lock
protection plate
flap
indexing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17156828.0A
Other languages
German (de)
French (fr)
Inventor
Emilien DESEGHER
Christophe Perrin
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.)
Minebea AccessSolutions France SAS
Original Assignee
U Shin France 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 U Shin France SAS filed Critical U Shin France SAS
Publication of EP3208406A1 publication Critical patent/EP3208406A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0062—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with destructive disengagement
    • 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
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1614—Use of special materials for parts of locks of hard materials, to prevent drilling
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/14—Closures or guards for keyholes
    • E05B17/18—Closures or guards for keyholes shaped as lids or slides
    • E05B17/181—Closures or guards for keyholes shaped as lids or slides pivoting inwardly

Definitions

  • the present invention relates to a lock for a motor vehicle, and a motor vehicle associated.
  • This type of lock generally comprises a stator and a rotor configured to be inserted into the stator so as to be movable in rotation.
  • the rotor comprises coding members, such as flakes, for actuating the lock only by means of a key insert having a suitable coding.
  • This lock in which the rotor is covered, at a front end of key insertion, a thin sheet metal cover about 0.4 mm thick.
  • This lock further comprises a protection plate disposed inside the rotor in front of the coding members. This plate makes it possible to prevent the introduction of a tool such as a screwdriver into the rotor to force the lock.
  • This lock nevertheless has the disadvantage of limiting the complexity of coding because the protection plate is disposed in a space that can be used for additional coding members. Simplified coding is easier to duplicate to unlock the lock.
  • this lock includes different parts to improve Thatcham performance, which increases the costs and production time of such a lock.
  • the object of the invention is to provide a lock having good performance while having a complex coding.
  • the protective plate disposed at the front of the rotor makes it possible to leave more room inside the rotor with respect to a rotor in which the protection plate is located inside the rotor, which makes it possible to to have a greater number of flakes in the rotor, and thus makes it possible to make the coding of the lock more complex.
  • the protective plate disposed at the front of the rotor blocks the forcing tools at a position remote from the unlocking member, which induces a better performance Thatcham.
  • the position of the protection plate at the front of the lock allows protection of the lock against dust and water.
  • Such a lock reduces the number of components, including removing the presence of a cache, and thus reduce costs and production time.
  • the invention also relates to a motor vehicle comprising at least one lock according to the invention, said latch being mounted on an opening and / or a fuel tank and / or a glove box.
  • the invention relates to a lock for a motor vehicle.
  • the lock can be mounted on an opening, such as a door or a trunk, on a fuel tank, or on a glove box of a motor vehicle.
  • figure 1 represents a lock according to one embodiment of the invention.
  • the lock comprises a front side configured to allow the introduction of an unlocking key, and a rear side configured to cooperate with an unlocking member.
  • the lock comprises a stator 1 comprising a housing 10, and a rotor 2 housed in the housing 10 of the stator 1.
  • the rotor 2 is rotatably mounted in the housing 10 of the stator 1. The rotation of the rotor 2 allows to actuate the unlocking member.
  • the rotor 2 comprises an insertion orifice 20 of a key insert, in particular visible on the figure 3 .
  • the lock also includes coding members, such as flakes.
  • the coding members are configured to allow rotation of the rotor 2 with respect to the stator 1 when a compliant key is inserted into the insertion hole of the rotor 2, and to block the rotation of the rotor 2 relative to the stator 1. absence of key or when a non-compliant key is inserted into the rotor insertion hole 2.
  • the rotor 2 comprises a front portion 21 disposed on the front side of the lock.
  • the lock also comprises a protection plate 4 disposed at the front portion 21 of the rotor 2.
  • a lock comprising a protection plate 4 disposed at the front of the rotor 2 may have a more complex coding system than a lock comprising a protection plate located inside the rotor.
  • the protection plate 4 located at the front of the rotor 2 makes it possible to leave more room inside the rotor 2, which makes it possible to have a greater number of coding members in the rotor 2, and thus makes it possible to make the coding of the lock more complex.
  • the rotor 2 comprises the location for seven coding members.
  • the protection plate 4 is made of a material of greater rigidity than that of the rotor 2.
  • the protection plate 4 is made of steel or steel alloy.
  • the protection plate has a thickness greater than 0.4 mm, preferably greater than 2 mm, and less than 5 mm.
  • a thickness of the protective plate greater than 2 mm makes it possible to increase the resistance of the lock to the forcing, and thus to reduce the risk of success of a break-in, and consequently to improve the Thatcham performance.
  • the protection plate 4 comprises an insertion slot 40 for inserting a key insert.
  • the insertion slot 40 has substantially the transverse dimensions a key insert.
  • the insertion slot 40 is substantially rectangular.
  • the protection plate 4 is substantially complementary in shape to the shape of the front portion 21 of the rotor 2. In other words, the protection plate 4 cooperates with the front portion 21 of the rotor 2.
  • the rotor 2 has a substantially cylindrical shape with a substantially circular front base disposed on the front side of the latch, and the protective plate 4 is substantially circular in shape and is disposed on the side of the front base of the rotor 2.
  • the protection plate may be of any other shape, depending on the shape of the rotor.
  • the protective plate 4 comprises a mounting relief 41
  • the stator 1 comprises a complementary mounting relief 11.
  • the mounting relief 41 of the protection plate 4 is intended to to cooperate with the complementary mounting relief 11 of the stator 1.
  • the complementary mounting relief 11 is located on the front portion of the stator 1.
  • the mounting relief 41 and the complementary mounting relief 11 are configured to block a pullout from the mounting plate 4 to the front side of the latch.
  • the mounting relief 41 comprises a flat part.
  • the mounting relief 41 comprises an annular flat, intended to cooperate with the complementary mounting relief 11 of the stator 1.
  • the flat is intended to cooperate with a flat surface of the front portion of the stator 1.
  • the cooperation flat with the flat surface of the front portion of the stator 1 reduces the risk of successful attempt to tear the lock.
  • the latch comprises a flap 43 movably mounted in the insertion hole 20 of a key insert.
  • the flap 43 is movable between a closed position in which the flap 43 closes the front side of the insertion orifice 20 and an open position in which the flap 43 opens the front side of the insertion orifice 20.
  • the flap 43 is preferably elastically constrained towards the closed position.
  • the flap 43 is constrained by a spring 44 extending along a longitudinal axis, represented on the figure 3 , to the closed position.
  • the insertion of an unlocking key in the insertion hole 20 will cause the passage of the flap 43 from its closed position to its open position.
  • the shutter can protect the inside of the lock against dust and water.
  • the protection plate 4 comprises at least one indexing recess 42 and the rotor 2 comprises at least one indexing tab 22 cooperating with the indexing recess 42.
  • the rotor 2 comprises two indexing lugs 22 cooperating with the indexing recess 42.
  • the rotor 2 may comprise an indexing recess and the protection plate 4 may comprise at least one indexing tab, advantageously two indexing tabs cooperating with the indexing recess of the rotor.
  • the protection plate 4 is of substantially circular shape, and comprises an angular recess at the periphery of the protection plate 4.
  • the angular recess of the protection plate 4 cooperates with two indexing tabs 22 of the rotor 2.
  • the indexing lugs 22 of the rotor 2 are separated by a slot 24.
  • the rotor 2 preferably comprises a flap support 23 on which is disposed an axis of rotation of the flap.
  • the flap 43 is disposed on the front portion 21 of the rotor 2.
  • the flap 43 is rotatable about an axis substantially perpendicular to the axis of insertion of the key insert.
  • the flap 43 is rotatable about the longitudinal axis of the spring 44.
  • the two indexing lugs 22 of the rotor 2 separated by the slot 24 form a flap support as shown in FIG. figure 2 ,
  • the indexing lugs 22 of the rotor 2 are fusible.
  • An indexing tab 22 is configured to break when the torque applied to the protection plate 4 is greater than a predetermined torque, and is less than the breaking torque of the coding members. In other words, when an insert of key not conforming to the coding, or when a tool, such as a drill, is introduced into the insertion hole 20, and a torque is exerted beyond the predetermined torque, the indexing tab 22 is breaks.
  • the indexing tab 22 disengages the protection plate 4 and the rotor 2, which results in an offset of the insertion slot 40 of the protection plate 4 allowing the insertion of a key insert with respect to the insertion orifice 20 of the rotor 2 intended to receive a key insert, and consequently which makes it difficult or impossible to insert a key insert into the insertion orifice 20 of the rotor 2.
  • an indexing lug 22 breaks when a torque applied to the protection plate 4 is greater than 5 Nm.
  • the fuse indexing tabs advantageously make it possible to protect the lock, especially during an attempted break-in. done with a drill.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un verrou pour véhicule automobile, comprenant un côté avant configuré pour l'introduction d'une clé de déverrouillage, et un côté arrière configuré pour coopérer avec un organe de déverrouillage, le verrou comprenant : - un stator qui comprend un logement, - un rotor (2) comprenant un orifice d'insertion (20) d'un insert de clé, le rotor (2) étant configuré pour être logé et mobile en rotation dans le logement de sorte à actionner l'organe de déverrouillage, et comprenant une partie avant disposée du côté avant du verrou, et - une plaque de protection (4) en matériau d'une rigidité supérieure à celle du rotor (2), la plaque de protection (4) étant de forme sensiblement complémentaire à la forme de la partie avant du rotor (2) et étant disposée du côté de la partie avant (21) du rotor (2), la plaque de protection (4) comprenant une fente d'insertion (40) de l'insert de clé, la fente d'insertion (40) ayant sensiblement les dimensions transversales de l'insert de clé, ledit verrou étant caractérisé en ce que la plaque de protection (4) comprend au moins un renfoncement d'indexation (42) et le rotor (2) comprend au moins une patte d'indexation (22) coopérant avec le renfoncement d'indexation (42). L'invention concerne également un véhicule automobile associé.The invention relates to a lock for a motor vehicle, comprising a front side configured for the introduction of an unlocking key, and a rear side configured to cooperate with an unlocking member, the lock comprising: a stator that includes a dwelling, a rotor (2) comprising an insertion orifice (20) for a key insert, the rotor (2) being configured to be housed and rotatable in the housing so as to actuate the unlocking member, and comprising a front portion disposed on the front side of the latch, and a protective plate (4) made of material with a rigidity greater than that of the rotor (2), the protection plate (4) being of a shape substantially complementary to the shape of the front part of the rotor (2) and being arranged on the side of the front part (21) of the rotor (2), the protection plate (4) comprising an insertion slot (40) of the key insert, the insertion slot (40) having substantially the dimensions transverse of the key insert, said latch being characterized in that the protection plate (4) comprises at least one indexing recess (42) and the rotor (2) comprises at least one indexing tab (22) cooperating with the indexing recess ( 42). The invention also relates to an associated motor vehicle.

Description

La présente invention concerne un verrou pour véhicule automobile, ainsi qu'un véhicule automobile associé.The present invention relates to a lock for a motor vehicle, and a motor vehicle associated.

Ce type de verrou comprend généralement un stator et un rotor configuré pour être inséré dans le stator de sorte à y être mobile en rotation. Le rotor comprend des organes de codages, tels que des paillettes, permettant d'actionner le verrou uniquement au moyen d'un insert de clé comportant un codage approprié.This type of lock generally comprises a stator and a rotor configured to be inserted into the stator so as to be movable in rotation. The rotor comprises coding members, such as flakes, for actuating the lock only by means of a key insert having a suitable coding.

Un aspect important des verrous est la possibilité de forçage. A cet effet, une norme a introduit une « performance Thatcham » qui correspond à la résistance du verrou au forçage en termes de temps mis pour forcer ledit verrou.An important aspect of locks is the possibility of forcing. For this purpose, a standard has introduced a "Thatcham performance" which corresponds to the resistance of the lock to the forcing in terms of the time taken to force said lock.

Il existe donc un besoin de système permettant d'améliorer la performance Thatcham.There is therefore a need for a system to improve Thatcham performance.

Dans l'art antérieur, il a été proposé un verrou dans lequel le rotor est recouvert, à une extrémité avant d'insertion de clé, d'un cache en tôle fine d'environ 0,4 mm d'épaisseur. Ce verrou comporte en outre une plaque de protection disposée à l'intérieur du rotor en avant des organes de codage. Cette plaque permet d'empêcher l'introduction d'un outil tel qu'un tournevis dans le rotor pour forcer le verrou.In the prior art, it has been proposed a lock in which the rotor is covered, at a front end of key insertion, a thin sheet metal cover about 0.4 mm thick. This lock further comprises a protection plate disposed inside the rotor in front of the coding members. This plate makes it possible to prevent the introduction of a tool such as a screwdriver into the rotor to force the lock.

Ce verrou présente néanmoins l'inconvénient de limiter la complexité du codage car la plaque de protection est disposée dans un espace pouvant servir pour des organes de codage supplémentaire. Un codage simplifié est plus facile à reproduire pour déverrouiller le verrou.This lock nevertheless has the disadvantage of limiting the complexity of coding because the protection plate is disposed in a space that can be used for additional coding members. Simplified coding is easier to duplicate to unlock the lock.

De plus, ce verrou comprend différentes pièces afin d'améliorer la performance Thatcham, ce qui augmente les coûts et les temps de production d'un tel verrou.In addition, this lock includes different parts to improve Thatcham performance, which increases the costs and production time of such a lock.

L'objectif de l'invention est de proposer un verrou présentant une bonne performance tout en ayant un codage complexe.The object of the invention is to provide a lock having good performance while having a complex coding.

A cet effet, l'invention concerne un verrou pour véhicule automobile, comprenant un côté avant configuré pour l'introduction d'une clé de déverrouillage, et un côté arrière configuré pour coopérer avec un organe de déverrouillage, le verrou comprenant :

  • un stator qui comprend un logement,
  • un rotor comprenant un orifice d'insertion d'un insert de clé, le rotor étant configuré pour être logé et mobile en rotation dans le logement de sorte à actionner l'organe de déverrouillage, et comprenant une partie avant disposée du côté avant du verrou, et
  • une plaque de protection en matériau d'une rigidité supérieure à celle du rotor, la plaque de protection étant de forme sensiblement complémentaire à la forme de la partie avant du rotor et étant disposée du côté de la partie avant du rotor, la plaque de protection comprenant une fente d'insertion de l'insert de clé, la fente d'insertion ayant sensiblement les dimensions transversales de l'insert de clé,
ledit verrou étant remarquable en ce que la plaque de protection comprend au moins un renfoncement d'indexation et le rotor comprend au moins une patte d'indexation coopérant avec le renfoncement d'indexation.To this end, the invention relates to a lock for a motor vehicle, comprising a front side configured for the introduction of an unlocking key, and a rear side configured to cooperate with an unlocking member, the lock comprising:
  • a stator that includes a dwelling,
  • a rotor comprising an insertion orifice of a key insert, the rotor being configured to be housed and rotatable in the housing so as to actuate the unlocking member, and comprising a front portion disposed on the front side of the lock , and
  • a protection plate made of material with a rigidity greater than that of the rotor, the protection plate being of substantially complementary shape to the shape of the front part of the rotor and being disposed on the side of the front part of the rotor, the protective plate comprising an insertion slot of the key insert, the insertion slot having substantially the transverse dimensions of the key insert,
said latch being remarkable in that the protection plate comprises at least one indexing recess and the rotor comprises at least one indexing tab cooperating with the indexing recess.

Avantageusement, la plaque de protection disposée à l'avant du rotor permet de laisser une place plus importante à l'intérieur du rotor par rapport à un rotor dans lequel la plaque de protection est située à l'intérieur du rotor, ce qui permet de disposer un plus grand nombre de paillettes dans le rotor, et ainsi permet de complexifier le codage du verrou.Advantageously, the protective plate disposed at the front of the rotor makes it possible to leave more room inside the rotor with respect to a rotor in which the protection plate is located inside the rotor, which makes it possible to to have a greater number of flakes in the rotor, and thus makes it possible to make the coding of the lock more complex.

En outre, la plaque de protection disposée à l'avant du rotor permet de bloquer les outils de forçage à une position éloignée de l'organe de déverrouillage, ce qui induit une meilleure performance Thatcham.In addition, the protective plate disposed at the front of the rotor blocks the forcing tools at a position remote from the unlocking member, which induces a better performance Thatcham.

De plus, la position de la plaque de protection à l'avant du verrou permet une protection du verrou contre la poussière et l'eau.In addition, the position of the protection plate at the front of the lock allows protection of the lock against dust and water.

En outre, un tel verrou permet de diminuer le nombre de composants, notamment en supprimant la présence d'un cache, et ainsi de réduire les coûts et les temps de production.In addition, such a lock reduces the number of components, including removing the presence of a cache, and thus reduce costs and production time.

Suivant des modes de réalisation préférés, le verrou de véhicule automobile selon l'invention comprend une ou plusieurs des caractéristiques suivantes, considérées individuellement ou selon toutes les combinaisons possibles :

  • la plaque de protection comprend un relief de montage et le stator comprend un relief de montage complémentaire, le relief de montage et le relief de montage complémentaire sont configurés pour bloquer un arrachement de la plaque de montage vers le côté avant du verrou ; et/ou
  • le relief de montage comprend un méplat; et/ou
  • le verrou comprend un volet monté mobile dans l'orifice d'insertion entre une position fermée dans laquelle le volet ferme un côté avant de l'orifice d'insertion et une position ouverte dans laquelle le volet ouvre le côté avant de l'orifice d'insertion, le volet étant de préférence contraint élastiquement vers la position fermée ; et/ou
  • le rotor comprend un support de volet sur lequel est disposé un axe de rotation du volet ; et/ou
  • la plaque de protection comprend au moins un renfoncement d'indexation et le rotor comprend au moins une patte d'indexation coopérant avec le renfoncement d'indexation ; et/ou
  • le rotor comprend deux pattes d'indexation séparées par une fente formant un support de volet ; et/ou
  • le verrou comprend des organes de codage, et la patte d'indexation est fusible et se rompt lorsqu'un couple appliqué à la plaque de protection est supérieur à un couple prédéterminé et inférieur au couple de rupture des organes de codage ; et/ou
  • la plaque de protection a une épaisseur supérieure à 0,4 mm et de préférence supérieure à 2 mm; et/ou
  • la plaque de protection est réalisée en acier ou en alliage d'acier.
According to preferred embodiments, the motor vehicle lock according to the invention comprises one or more of the following characteristics, considered individually or according to all the possible combinations:
  • the protection plate comprises a mounting relief and the stator comprises a complementary mounting relief, the mounting relief and the complementary mounting relief are configured to block a tearing of the mounting plate towards the front side of the lock; and or
  • the mounting relief comprises a flat; and or
  • the latch comprises a flap mounted movably in the insertion hole between a closed position in which the flap closes a front side of the insertion hole and an open position in which the flap opens the front side of the orifice insertion, the flap preferably being resiliently biased to the closed position; and or
  • the rotor comprises a flap support on which is disposed an axis of rotation of the flap; and or
  • the protection plate comprises at least one indexing recess and the rotor comprises at least one indexing lug cooperating with the indexing recess; and or
  • the rotor comprises two indexing tabs separated by a slot forming a flap support; and or
  • the lock comprises coding members, and the indexing tab is fusible and breaks when a torque applied to the protection plate is greater than a predetermined torque and less than the breaking torque of the coding members; and or
  • the protection plate has a thickness greater than 0.4 mm and preferably greater than 2 mm; and or
  • the protection plate is made of steel or steel alloy.

L'invention concerne également un véhicule automobile comprenant au moins un verrou selon l'invention, ledit verrou étant monté sur un ouvrant et/ou un réservoir de carburant et/ou une boite à gant.The invention also relates to a motor vehicle comprising at least one lock according to the invention, said latch being mounted on an opening and / or a fuel tank and / or a glove box.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description qui suit d'un mode de réalisation préféré de l'invention, donné à titre d'exemple non limitatif et en référence aux dessins annexés sur lesquels :

  • la figure 1 est une vue éclatée d'un verrou selon un mode de réalisation de l'invention ;
  • la figure 2 est une vue agrandie d'une partie d'un verrou selon un mode de réalisation de l'invention ; et
  • la figure 3 est une vue en coupe d'une partie d'un verrou de la figure 2.
Other features and advantages of the invention will appear on reading the following description of a preferred embodiment of the invention, given by way of non-limiting example and with reference to the appended drawings in which:
  • the figure 1 is an exploded view of a lock according to an embodiment of the invention;
  • the figure 2 is an enlarged view of a portion of a lock according to one embodiment of the invention; and
  • the figure 3 is a sectional view of a portion of a lock of the figure 2 .

Sur les différentes figures, les éléments analogues sont désignés par des références identiques.In the various figures, the analogous elements are designated by identical references.

Il est à noter que les dessins n'ont d'autre but que d'illustrer le texte de la description et ne constituent en aucune sorte une limitation de la portée de l'invention. De même, l'invention ne se limite pas aux modes de réalisation décrits et s'étend à d'autres variantes dans la portée des revendications.It should be noted that the drawings have no other purpose than to illustrate the text of the description and do not constitute in any way a limitation of the scope of the invention. Likewise, the invention is not limited to the described embodiments and extends to other variants within the scope of the claims.

L'invention a pour objet un verrou pour véhicule automobile. Le verrou peut être monté sur un ouvrant, tel qu'une portière ou un coffre, sur un réservoir de carburant, ou sur une boite à gant d'un véhicule automobile. En particulier, la figure 1 représente un verrou selon un mode de réalisation de l'invention.The invention relates to a lock for a motor vehicle. The lock can be mounted on an opening, such as a door or a trunk, on a fuel tank, or on a glove box of a motor vehicle. In particular, figure 1 represents a lock according to one embodiment of the invention.

Le verrou comprend un côté avant configuré pour permettre l'introduction d'une clé de déverrouillage, et un côté arrière configuré pour coopérer avec un organe de déverrouillage.The lock comprises a front side configured to allow the introduction of an unlocking key, and a rear side configured to cooperate with an unlocking member.

Comme représenté sur la figure 1, le verrou comprend un stator 1 comprenant un logement 10, et un rotor 2 logé dans le logement 10 du stator 1. Le rotor 2 est monté mobile en rotation dans le logement 10 du stator 1. La rotation du rotor 2 permet d'actionner l'organe de déverrouillage.As shown on the figure 1 , the lock comprises a stator 1 comprising a housing 10, and a rotor 2 housed in the housing 10 of the stator 1. The rotor 2 is rotatably mounted in the housing 10 of the stator 1. The rotation of the rotor 2 allows to actuate the unlocking member.

Le rotor 2 comprend un orifice d'insertion 20 d'un insert de clé, notamment visible sur la figure 3.The rotor 2 comprises an insertion orifice 20 of a key insert, in particular visible on the figure 3 .

Le verrou comprend également des organes de codage, tels que des paillettes. Les organes de codage sont configurés pour permettre la rotation du rotor 2 par rapport au stator 1 lorsqu'une clé conforme est insérée dans l'orifice d'insertion du rotor 2, et pour bloquer la rotation du rotor 2 par rapport au stator 1 en absence de clé ou lorsqu'une clé non conforme est insérée dans l'orifice d'insertion du rotor 2.The lock also includes coding members, such as flakes. The coding members are configured to allow rotation of the rotor 2 with respect to the stator 1 when a compliant key is inserted into the insertion hole of the rotor 2, and to block the rotation of the rotor 2 relative to the stator 1. absence of key or when a non-compliant key is inserted into the rotor insertion hole 2.

Le rotor 2 comprend une partie avant 21 disposée du côté avant du verrou. Le verrou comprend également une plaque de protection 4 disposée au niveau de la partie avant 21 du rotor 2.The rotor 2 comprises a front portion 21 disposed on the front side of the lock. The lock also comprises a protection plate 4 disposed at the front portion 21 of the rotor 2.

Avantageusement, un verrou comprenant une plaque de protection 4 disposée à l'avant du rotor 2 peut présenter un système de codage plus complexe qu'un verrou comprenant une plaque de protection située à l'intérieur du rotor. En effet, la plaque de protection 4 située à l'avant du rotor 2 permet de laisser une place plus importante à l'intérieur du rotor 2, ce qui permet de disposer un plus grand nombre d'organes de codage dans le rotor 2, et ainsi permet de complexifier le codage du verrou. Par exemple, sur la figure 3, le rotor 2 comprend l'emplacement pour sept organes de codage.Advantageously, a lock comprising a protection plate 4 disposed at the front of the rotor 2 may have a more complex coding system than a lock comprising a protection plate located inside the rotor. Indeed, the protection plate 4 located at the front of the rotor 2 makes it possible to leave more room inside the rotor 2, which makes it possible to have a greater number of coding members in the rotor 2, and thus makes it possible to make the coding of the lock more complex. For example, on the figure 3 , the rotor 2 comprises the location for seven coding members.

La plaque de protection 4 est réalisée en matériau d'une rigidité supérieure à celle du rotor 2. Par exemple, la plaque de protection 4 est réalisée en acier ou en alliage d'acier.The protection plate 4 is made of a material of greater rigidity than that of the rotor 2. For example, the protection plate 4 is made of steel or steel alloy.

La plaque de protection a une épaisseur supérieure à 0,4 mm, de préférence supérieure à 2 mm, et inférieure à 5 mm. Avantageusement une épaisseur de la plaque de protection supérieure à 2 mm permet d'augmenter la résistance du verrou au forçage, et ainsi de diminuer le risque de réussite d'une effraction, et par conséquent d'améliorer la performance Thatcham.The protection plate has a thickness greater than 0.4 mm, preferably greater than 2 mm, and less than 5 mm. Advantageously, a thickness of the protective plate greater than 2 mm makes it possible to increase the resistance of the lock to the forcing, and thus to reduce the risk of success of a break-in, and consequently to improve the Thatcham performance.

La plaque de protection 4 comprend une fente d'insertion 40 permettant l'insertion d'un insert de clé. La fente d'insertion 40 a sensiblement les dimensions transversales d'un insert de clé. Par exemple, sur la figure 2, la fente d'insertion 40 est sensiblement rectangulaire.The protection plate 4 comprises an insertion slot 40 for inserting a key insert. The insertion slot 40 has substantially the transverse dimensions a key insert. For example, on the figure 2 , the insertion slot 40 is substantially rectangular.

La plaque de protection 4 est de forme sensiblement complémentaire à la forme de la partie avant 21 du rotor 2. Autrement dit, la plaque de protection 4 coopère avec la partie avant 21 du rotor 2. Par exemple, comme représenté sur la figure 2, le rotor 2 a une forme sensiblement cylindrique avec une base avant de forme sensiblement circulaire disposée du côté avant du verrou, et la plaque de protection 4 est de forme sensiblement circulaire et est disposée du côté de la base avant du rotor 2. Bien entendu, la plaque de protection peut être de toute autre forme, selon la forme du rotor.The protection plate 4 is substantially complementary in shape to the shape of the front portion 21 of the rotor 2. In other words, the protection plate 4 cooperates with the front portion 21 of the rotor 2. For example, as shown in FIG. figure 2 , the rotor 2 has a substantially cylindrical shape with a substantially circular front base disposed on the front side of the latch, and the protective plate 4 is substantially circular in shape and is disposed on the side of the front base of the rotor 2. Of course the protection plate may be of any other shape, depending on the shape of the rotor.

Selon un mode de réalisation de l'invention, la plaque de protection 4 comprend un relief de montage 41, et le stator 1 comprend un relief de montage complémentaire 11. Plus précisément, le relief de montage 41 de la plaque de protection 4 est destiné à coopérer avec le relief de montage complémentaire 11 du stator 1. En particulier, le relief de montage complémentaire 11 est situé sur la partie avant du stator 1. Le relief de montage 41 et le relief de montage complémentaire 11 sont configurés pour bloquer un arrachement de la plaque de montage 4 vers le côté avant du verrou.According to one embodiment of the invention, the protective plate 4 comprises a mounting relief 41, and the stator 1 comprises a complementary mounting relief 11. More specifically, the mounting relief 41 of the protection plate 4 is intended to to cooperate with the complementary mounting relief 11 of the stator 1. In particular, the complementary mounting relief 11 is located on the front portion of the stator 1. The mounting relief 41 and the complementary mounting relief 11 are configured to block a pullout from the mounting plate 4 to the front side of the latch.

De façon avantageuse, le relief de montage 41 comprend un méplat. Par exemple, comme illustré sur la figure 2, le relief de montage 41 comprend un méplat annulaire, destiné à coopérer avec le relief de montage complémentaire 11 du stator 1. En particulier, le méplat est destiné à coopérer avec une surface plane de la partie avant du stator 1. Avantageusement, la coopération du méplat avec la surface plane de la partie avant du stator 1 permet de réduire le risque de réussite d'une tentative d'arrachement du verrou.Advantageously, the mounting relief 41 comprises a flat part. For example, as shown on the figure 2 , the mounting relief 41 comprises an annular flat, intended to cooperate with the complementary mounting relief 11 of the stator 1. In particular, the flat is intended to cooperate with a flat surface of the front portion of the stator 1. Advantageously, the cooperation flat with the flat surface of the front portion of the stator 1 reduces the risk of successful attempt to tear the lock.

Selon un mode de réalisation de l'invention, le verrou comprend un volet 43 monté mobile dans l'orifice d'insertion 20 d'un insert de clé. Le volet 43, notamment visible sur la figure 2, est mobile entre une position fermée dans laquelle le volet 43 ferme le côté avant de l'orifice d'insertion 20 et une position ouverte dans laquelle le volet 43 ouvre le côté avant de l'orifice d'insertion 20.According to one embodiment of the invention, the latch comprises a flap 43 movably mounted in the insertion hole 20 of a key insert. The flap 43, especially visible on the figure 2 , is movable between a closed position in which the flap 43 closes the front side of the insertion orifice 20 and an open position in which the flap 43 opens the front side of the insertion orifice 20.

Le volet 43 est de préférence contraint élastiquement vers la position fermée. Par exemple, le volet 43 est contraint par un ressort 44 s'étendant selon un axe longitudinal, représenté sur la figure 3, vers la position fermée. L'insertion d'une clé de déverrouillage dans l'orifice d'insertion 20 va entrainer le passage du volet 43 de sa position fermée à sa position ouverte. Avantageusement, le volet permet de protéger l'intérieur du verrou contre la poussière et l'eau.The flap 43 is preferably elastically constrained towards the closed position. For example, the flap 43 is constrained by a spring 44 extending along a longitudinal axis, represented on the figure 3 , to the closed position. The insertion of an unlocking key in the insertion hole 20 will cause the passage of the flap 43 from its closed position to its open position. Advantageously, the shutter can protect the inside of the lock against dust and water.

Selon un mode de réalisation de l'invention, la plaque de protection 4 comprend au moins un renfoncement d'indexation 42 et le rotor 2 comprend au moins une patte d'indexation 22 coopérant avec le renfoncement d'indexation 42. De façon avantageuse, le rotor 2 comprend deux pattes d'indexation 22 coopérant avec le renfoncement d'indexation 42.According to one embodiment of the invention, the protection plate 4 comprises at least one indexing recess 42 and the rotor 2 comprises at least one indexing tab 22 cooperating with the indexing recess 42. Advantageously, the rotor 2 comprises two indexing lugs 22 cooperating with the indexing recess 42.

Selon une variante, le rotor 2 peut comprendre un renfoncement d'indexation et la plaque de protection 4 peut comprendre au moins une patte d'indexation, avantageusement deux pattes d'indexation, coopérant avec le renfoncement d'indexation du rotor.According to one variant, the rotor 2 may comprise an indexing recess and the protection plate 4 may comprise at least one indexing tab, advantageously two indexing tabs cooperating with the indexing recess of the rotor.

Plus précisément, comme illustré sur la figure 2, la plaque de protection 4 est de forme sensiblement circulaire, et comprend un renfoncement angulaire au niveau de la périphérie de la plaque de protection 4. Le renfoncement angulaire de la plaque de protection 4 coopère avec deux pattes d'indexation 22 du rotor 2. En particulier, les pattes d'indexation 22 du rotor 2 sont séparées par une fente 24.More specifically, as illustrated on the figure 2 , the protection plate 4 is of substantially circular shape, and comprises an angular recess at the periphery of the protection plate 4. The angular recess of the protection plate 4 cooperates with two indexing tabs 22 of the rotor 2. In particular, the indexing lugs 22 of the rotor 2 are separated by a slot 24.

Le rotor 2 comprend, de préférence, un support de volet 23 sur lequel est disposé un axe de rotation du volet. Par exemple, sur la figure 3, le volet 43 est disposé sur la partie avant 21 du rotor 2. Le volet 43 est mobile en rotation autour d'un axe sensiblement perpendiculaire à l'axe d'insertion de l'insert de clé. Comme représenté sur la figure 3, le volet 43 est mobile en rotation autour de l'axe longitudinal du ressort 44.The rotor 2 preferably comprises a flap support 23 on which is disposed an axis of rotation of the flap. For example, on the figure 3 , the flap 43 is disposed on the front portion 21 of the rotor 2. The flap 43 is rotatable about an axis substantially perpendicular to the axis of insertion of the key insert. As shown on the figure 3 , the flap 43 is rotatable about the longitudinal axis of the spring 44.

De façon avantageuse, les deux pattes d'indexation 22 du rotor 2 séparées par la fente 24 forment un support de volet comme représenté sur la figure 2,Advantageously, the two indexing lugs 22 of the rotor 2 separated by the slot 24 form a flap support as shown in FIG. figure 2 ,

Selon un mode de réalisation de l'invention, les pattes d'indexation 22 du rotor 2 sont fusibles. Une patte d'indexation 22 est configurée pour se rompre lorsque le couple appliqué à la plaque de protection 4 est supérieur à un couple prédéterminé, et est inférieur au couple de rupture des organes de codage. Autrement dit, lorsqu'un insert de clef non conforme au codage, ou lorsqu'un outil, tel qu'une perceuse, est introduit dans l'orifice d'insertion 20, et qu'un couple est exercé au-delà du couple prédéterminé, la patte d'indexation 22 se rompt. En rompant, la patte d'indexation 22 entraine la désolidarisation de la plaque de protection 4 et du rotor 2, ce qui a pour conséquence un décalage de la fente d'insertion 40 de la plaque de protection 4 permettant l'insertion d'un insert de clé par rapport à l'orifice d'insertion 20 du rotor 2 destiné à recevoir un insert de clé, et par conséquent ce qui rend difficile voire impossible l'insertion d'un insert de clé dans l'orifice d'insertion 20 du rotor 2.According to one embodiment of the invention, the indexing lugs 22 of the rotor 2 are fusible. An indexing tab 22 is configured to break when the torque applied to the protection plate 4 is greater than a predetermined torque, and is less than the breaking torque of the coding members. In other words, when an insert of key not conforming to the coding, or when a tool, such as a drill, is introduced into the insertion hole 20, and a torque is exerted beyond the predetermined torque, the indexing tab 22 is breaks. By breaking, the indexing tab 22 disengages the protection plate 4 and the rotor 2, which results in an offset of the insertion slot 40 of the protection plate 4 allowing the insertion of a key insert with respect to the insertion orifice 20 of the rotor 2 intended to receive a key insert, and consequently which makes it difficult or impossible to insert a key insert into the insertion orifice 20 of the rotor 2.

Par exemple, une patte d'indexation 22 se rompt lorsqu'un couple appliqué à la plaque de protection 4 est supérieur à 5 Nm. Les pattes d'indexation fusibles permettent avantageusement de protéger le verrou, notamment lors d'une tentative d'effraction réalisée à l'aide d'une perceuse.For example, an indexing lug 22 breaks when a torque applied to the protection plate 4 is greater than 5 Nm. The fuse indexing tabs advantageously make it possible to protect the lock, especially during an attempted break-in. done with a drill.

Dans les revendications, le mot « comprenant » n'exclut pas d'autres éléments ou étapes, et l'article indéfini « un » ou « une » n'exclut pas une pluralité. Le simple fait que différentes caractéristiques soient citées dans différentes revendications dépendantes n'indique pas qu'une combinaison de ces caractéristiques ne peut être avantageusement envisagée. Tout signe de référence dans les revendications ne doit pas être interprété comme limitant la portée de l'invention.In the claims, the word "comprising" does not exclude other elements or steps, and the indefinite article "a" or "an" does not exclude a plurality. The mere fact that different features are cited in different dependent claims does not indicate that a combination of these features can be advantageously contemplated. Any reference sign in the claims should not be interpreted as limiting the scope of the invention.

Claims (9)

Verrou pour véhicule automobile, comprenant un côté avant configuré pour l'introduction d'une clé de déverrouillage, et un côté arrière configuré pour coopérer avec un organe de déverrouillage,
le verrou comprenant : - un stator (1) qui comprend un logement (10), - un rotor (2) comprenant un orifice d'insertion (20) d'un insert de clé, le rotor (2) étant configuré pour être logé et mobile en rotation dans le logement (10) de sorte à actionner l'organe de déverrouillage, et comprenant une partie avant (21) disposée du côté avant du verrou, et - une plaque de protection (4) en matériau d'une rigidité supérieure à celle du rotor (2), la plaque de protection (4) étant de forme sensiblement complémentaire à la forme de la partie avant du rotor (2) et étant disposée du côté de la partie avant (21) du rotor (2), la plaque de protection (4) comprenant une fente d'insertion (40) de l'insert de clé, la fente d'insertion (40) ayant sensiblement les dimensions transversales de l'insert de clé, ledit verrou étant caractérisé en ce que la plaque de protection (4) comprend au moins un renfoncement d'indexation (42) et le rotor (2) comprend au moins une patte d'indexation (22) coopérant avec le renfoncement d'indexation (42).Lock for a motor vehicle, comprising a front side configured for the introduction of an unlocking key, and a rear side configured to cooperate with an unlocking member,
the lock comprising: a stator (1) which comprises a housing (10), a rotor (2) comprising an insertion orifice (20) for a key insert, the rotor (2) being configured to be housed and rotatable in the housing (10) so as to actuate the unlocking, and comprising a front portion (21) disposed on the front side of the latch, and a protective plate (4) made of material with a rigidity greater than that of the rotor (2), the protection plate (4) being of a shape substantially complementary to the shape of the front part of the rotor (2) and being arranged on the side of the front part (21) of the rotor (2), the protection plate (4) comprising an insertion slot (40) of the key insert, the insertion slot (40) having substantially the dimensions transverse of the key insert, said latch being characterized in that the protection plate (4) comprises at least one indexing recess (42) and the rotor (2) comprises at least one indexing tab (22) cooperating with the indexing recess ( 42). Verrou selon la revendication précédente, dans lequel la plaque de protection (4) comprend un relief de montage (41) et le stator (1) comprend un relief de montage complémentaire (11), le relief de montage (41) et le relief de montage complémentaire (11) étant configurés pour bloquer un arrachement de la plaque de montage (4) vers le côté avant du verrou.Lock according to the preceding claim, wherein the protection plate (4) comprises a mounting relief (41) and the stator (1) comprises a complementary mounting relief (11), the mounting relief (41) and the relief of complementary assembly (11) being configured to block a tearing of the mounting plate (4) towards the front side of the latch. Verrou selon la revendication précédente, dans lequel le relief de montage (41) comprend un méplat.Lock according to the preceding claim, wherein the mounting relief (41) comprises a flat. Verrou selon l'une des revendications précédentes, comprenant en outre un volet (43) monté mobile dans l'orifice d'insertion (20) entre une position fermée dans laquelle le volet (43) ferme un côté avant de l'orifice d'insertion (20) et une position ouverte dans laquelle le volet (43) ouvre le côté avant de l'orifice d'insertion (20), le volet étant de préférence contraint élastiquement vers la position fermée.Lock according to one of the preceding claims, further comprising a flap (43) movably mounted in the insertion orifice (20) between a closed position in which the flap (43) closes a front side of the insertion hole (20) and an open position in which the flap (43) opens the front side of the insertion hole (20), the flap being preferably elastically constrains to the closed position. Verrou selon la revendication précédente, dans lequel le rotor (2) comprend un support de volet (23) sur lequel est disposé un axe de rotation du volet.Lock according to the preceding claim, wherein the rotor (2) comprises a flap support (23) on which is disposed an axis of rotation of the flap. Verrou selon la revendication précédente, dans lequel le rotor (2) comprend deux pattes d'indexation (22) séparées par une fente formant un support de volet.Lock according to the preceding claim, wherein the rotor (2) comprises two indexing lugs (22) separated by a slot forming a flap support. Verrou selon la revendication précédente, comprenant également des organes de codage, et dans lequel ladite patte d'indexation (22) est fusible et se rompt lorsqu'un couple appliqué à la plaque de protection est supérieur à un couple prédéterminé et inférieur au couple de rupture des organes de codage.Lock according to the preceding claim, also comprising coding members, and wherein said indexing tab (22) is fuse and breaks when a torque applied to the protection plate is greater than a predetermined torque and less than the torque of breaking of the coding organs. Verrou selon l'une des revendications précédentes, dans lequel la plaque de protection a une épaisseur supérieure à 0,4 mm, et de préférence supérieure à 2 mm.Lock according to one of the preceding claims, wherein the protective plate has a thickness greater than 0.4 mm, and preferably greater than 2 mm. Verrou selon l'une des revendications précédentes, dans lequel la plaque de protection est réalisée en acier ou en alliage d'acier.Lock according to one of the preceding claims, wherein the protective plate is made of steel or steel alloy.
EP17156828.0A 2016-02-19 2017-02-20 Lock for motor vehicle Withdrawn EP3208406A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1651362A FR3048012A1 (en) 2016-02-19 2016-02-19 LATCH FOR MOTOR VEHICLE

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EP3208406A1 true EP3208406A1 (en) 2017-08-23

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1106753A1 (en) * 1999-12-10 2001-06-13 Bricard S.A. Universal anti-drilling disc for lock cylinder
EP1333134A2 (en) * 2002-01-31 2003-08-06 Valeo Securité Habitacle Lock cylinder
DE102005042349A1 (en) * 2005-09-07 2007-03-08 Huf Hülsbeck & Fürst Gmbh & Co. Kg Lock cylinder for executable especially on vehicles functions
WO2013093188A1 (en) * 2011-12-20 2013-06-27 Abloy Oy Disc tumbler or electronic lock cylinder with a keyhole protector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1106753A1 (en) * 1999-12-10 2001-06-13 Bricard S.A. Universal anti-drilling disc for lock cylinder
EP1333134A2 (en) * 2002-01-31 2003-08-06 Valeo Securité Habitacle Lock cylinder
DE102005042349A1 (en) * 2005-09-07 2007-03-08 Huf Hülsbeck & Fürst Gmbh & Co. Kg Lock cylinder for executable especially on vehicles functions
WO2013093188A1 (en) * 2011-12-20 2013-06-27 Abloy Oy Disc tumbler or electronic lock cylinder with a keyhole protector

Also Published As

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FR3048012A1 (en) 2017-08-25

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