EP3034723A1 - Lock for a door of a motor vehicle - Google Patents

Lock for a door of a motor vehicle Download PDF

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Publication number
EP3034723A1
EP3034723A1 EP14307094.4A EP14307094A EP3034723A1 EP 3034723 A1 EP3034723 A1 EP 3034723A1 EP 14307094 A EP14307094 A EP 14307094A EP 3034723 A1 EP3034723 A1 EP 3034723A1
Authority
EP
European Patent Office
Prior art keywords
opening
locking
locking means
lock
lever
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
EP14307094.4A
Other languages
German (de)
French (fr)
Other versions
EP3034723B1 (en
Inventor
François DEBROUCKE
Laurent Duriez
Cédric LAMIDON
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
Priority to EP14307094.4A priority Critical patent/EP3034723B1/en
Priority to US15/537,078 priority patent/US10934746B2/en
Priority to PCT/EP2015/080169 priority patent/WO2016097111A1/en
Priority to CN201580069596.3A priority patent/CN107109869B/en
Priority to JP2017530324A priority patent/JP6695339B2/en
Publication of EP3034723A1 publication Critical patent/EP3034723A1/en
Application granted granted Critical
Publication of EP3034723B1 publication Critical patent/EP3034723B1/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
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • E05B77/06—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision by means of inertial forces
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/08—Arrangements for protection of pedestrians
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/36—Noise prevention; Anti-rattling means
    • E05B77/38—Cushion elements, elastic guiding elements or holding elements, e.g. for cushioning or damping the impact of the bolt against the striker during closing of the wing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/23—Vehicle door latches
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1051—Spring projected
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1051—Spring projected
    • Y10T292/1052—Operating means
    • Y10T292/1056—Cam
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1083—Rigid
    • Y10T292/1092—Swinging catch
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/57—Operators with knobs or handles

Definitions

  • the present invention relates to a lock for an opening of a motor vehicle.
  • a lock of a motor vehicle is intended to be mounted on an opening of a motor vehicle and typically comprises a bolt for pivoting around a striker fixed to the structure of the motor vehicle to ensure the closing of the opening.
  • the opening of the opening is performed by a rotation of the bolt in the opposite direction.
  • the rotation in the opposite direction called “opening direction of the leaf”
  • Said rotation in the opposite direction can also be achieved by the rotation of the inner handle which is connected to the lock by a control means which acts on an opening lever, called “inside”.
  • the rotation of the latter causes the rotation of another lever called “intermediate” which pivots and releases in turn the bolt via a shackle in the desired direction.
  • external handle a handle disposed on the opening of the motor vehicle operable by a user located outside the passenger compartment of the motor vehicle.
  • inner handle a handle disposed on the opening of the motor vehicle operable by a user located inside the passenger compartment of the motor vehicle.
  • outer opening lever the lever for opening the lock which is driven in displacement by the action of a user on the outer handle.
  • the inertial force exerted on the opening can exert a sufficient traction force on a control means and act on an opening lever to control the opening of the lock and thus the release of the 'opening, especially on the external opening lever.
  • the lock lock can be achieved by an external obstacle causing a deformation due to a temporary or permanent inertial movement, with a possibility of post-shock restoration in the latter case.
  • Blocking by an external obstacle is typically achieved by a system that intervenes by deformation of the door. If a deformation is greater than a threshold value, then there is an external obstacle that blocks the movement of the opening chain.
  • the locking instruction typically comes from deformation of the vehicle sheet.
  • the deformation of this sheet will come to position an obstacle belonging either to the lock or the sheet metal, opposite the opening lever outside.
  • the lever intervenes directly in the opening of the lock, the latter can not be done.
  • a spring-loaded shim is typically attached to the outer opening lever. Inertial force moves said shim to the side during movement of said lever. A chute receives the hold and prevents it from going back down while the outside opening lever is activated. The external opening lever can not be activated, there is no opening.
  • An object of the invention is to propose a lock for a motor vehicle which allows to prohibit the external or internal opening under the effect of an inertial force, whether single or multiple, applied to the lock during a car accident, while allowing, once the inertial force becomes zero, the reopening of the lock without the disadvantages of the prior art.
  • the lock of the present invention thus makes it possible to effectively block the door and to prevent the opening of the lock for a movement of one of the opening levers.
  • Said lock also has the advantage of being able to return the locking system to the initial position under the effect of a simple pull operation of the opening lever not intended to be blocked by the blocking means after the impact.
  • Such locking system is advantageously independent of the geometry of the door, the movement of the handle and the type of shock, does not generate stress on the kinematic chain, does not require delicate adjustment and is independent of geometric constraints.
  • the invention also relates to a motor vehicle having an opening and a lock for opening and closing said opening.
  • the lock of the invention comprises two types of opening lever: an inner opening lever and an outer opening lever.
  • the outside opening lever is connected via a cable, such as the Bowden cable, or a rod to the outside handle.
  • the inner opening lever is connected via another cable to the inner handle.
  • said Inner opening lever is also connected via one or more elements to an intermediate opening lever that allows the opening of the lock.
  • the lock of the invention 1 is adapted to open any type of opening of a motor vehicle, in particular a side door 2.
  • FIG. 1 On this figure 1 is illustrated an example of side impact in a direction 3 substantially perpendicular to the main axis 4 of the motor vehicle 5.
  • the shock may be generated by any kind of element, here is shown a motor vehicle 6.
  • Such a shock acts on the external handle in the opening direction of the latter, according to an oscillating movement comprising one or more phases during which the rod or the cable is pulled which may thereby cause the opening of the lock.
  • the opening lever 10A is the external opening lever connected to the outer handle of the opening 2 via the Bowden cable 7.
  • the opening lever 10B is the lever of the opening. intermediate opening connected directly or indirectly to the inner handle of the opening 2 via a cable or a rod (not shown).
  • the lock when one of the opening levers, external or intermediate, is blocked by the blocking means, the lock can not open under the effect of the shock.
  • each lever 10A and 10B comprises a cam 11A and 11B, respectively, rotatable about an axis of rotation 8, when traction is exerted on the control means, namely the Bowden cable 7 or the rod acting on the lever intermediate opening 10B.
  • the opening lever 10A may furthermore comprise a drive means, such as a first stop (not shown) to accompany the locking means 12 from the active position to the rest position if the outer opening lever 10A is driven by action on the outer handle towards the opening direction of the opening 2.
  • a drive means such as a first stop (not shown) to accompany the locking means 12 from the active position to the rest position if the outer opening lever 10A is driven by action on the outer handle towards the opening direction of the opening 2.
  • the drive means may be supported by the cam 11A in the form of at least one protrusion 13 which allows the passage of the locking means 12 in the rest position.
  • the locking means 12 which is itself provided with an elastic tab 12a to help this passage.
  • the elastic tab 12a is typically in abutment against a fixed element 12b of the lock of the invention and intended to exert a restoring force on the locking means 12 when the latter is in the active locking position.
  • the elastic tab 12a has the shape of a substantially thin blade having deformation characteristics for exerting on the locking means 12 a restoring force towards the rest position.
  • the cam 11A may have a bearing surface adapted to make contact with the locking means 12 so as to drive the latter in the rest position and to reset the elastic return means 14.
  • the protrusion 13 of the cam 11A may have a hook-like shape formed by a structural abutment defining a recess for receiving a portion 15 of blocking means 12 when the latter is in the active locking position so as to block the movement the opening lever 10.
  • the triggering means 16 and the locking means 12 may be each movable in rotation or in translation.
  • the trigger means 16 is movable in translation, in particular along a substantially collinear axis with the plane formed by the cams 11A and 11B.
  • the locking means 12 is rotatable about an axis of rotation 17 substantially collinear with the axis of rotation 8 of the cams 11A and 11B.
  • the triggering means 16 is thus configured so as to block any movement of the locking means 12.
  • the triggering means 16 may comprise a holding protrusion 18 coming substantially in or on a complementary notch 20 present in the locking means 12 This geometry makes it possible to dispense with the manufacturing sets of the locking means and the triggering means.
  • the resilient locking spring means 14 exert a permanent torque on the holding protrusion 18 which tends to raise the locking means 12 towards the locking position .
  • the trigger means can be embodied as a single piece or a multitude of pieces.
  • the triggering means 16 may also be associated with an unlocking spring means of its own, such as a compression spring 24, which allows a translational movement of said triggering means 16.
  • the associated spring release means 24 by means of trigger 16 is fixed on a fixed part of the lock 1 of the invention.
  • the assembly formed by the triggering means 16 and the associated spring return means 24 are arranged to move following the resultant inertial force of the side impact suffered by the lock 1 of the invention. In other words, in order to set the trigger means 16 and the blocking means 12 in motion, it is necessary that the inertial force in the event of impact experienced by the sash or be greater than the stiffness of the elastic return means 24.
  • Said spring release 24 thus allows said trigger means 16 to retain the locking means 12 in the rest position.
  • said spring release means such as the spring 24 is then compressed, causing the triggering means 16 and releasing the locking means 12.
  • the triggering means 16 then reaches the active position of unblocking, thanks to the spring 24.
  • the blocking means 12 and the opening lever intended not to be blocked cooperate by the contact of an outgrowth 30 belonging to the blocking means 12 on the lever cam 11B. opening to be unblocked.
  • the protrusion 30 belongs to one of the opening levers 10A or 10B, in particular the intermediate opening lever 10B.
  • the protrusion 30 belongs to a separate element of the locking means 12 and the opening levers 10A and 10B.
  • said distinct element may comprise an arm in order to relay the movement undergone by the protrusion 30 to the locking means 12.
  • the protrusion 30 thus makes it possible to put in the rest position from the locking position the blocking means 12 by compressing the resilient locking return means 14.
  • the opening lever 10A intended to be blocked can assist in the return to the rest position by rearming itself said resilient locking spring means 14.
  • the protrusion 30 can be made integrally or not with the locking means 12.
  • cam 11B of the intermediate opening lever prefferably bears the protrusion 30 which bears on a surface of the locking means configured to allow the drive of the locking means of the locking position to the rest position.
  • the locking means 12 is also associated with the resilient locking spring means 14 which may be in the form of one or more springs, in particular in the form of a spiral spring. In the latter case, the spiral spring has an axis of rotation substantially coinciding with that of the blocking means 12.
  • the resilient locking spring means 14 is configured to work by bringing the blocking means 12 from the rest position. towards the active blocking position in the event of release of said blocking means 12 by the triggering means 16.
  • One of the opening levers may comprise a contact surface, in particular an abutment (not shown), able to receive the end of the elastic locking retaining means 14 and to drive the latter so to return the elastic return means 14 in the working position.
  • said lever may be the external opening lever which allows to re-compress the elastic locking return means 14 after actuating the outer handle.
  • the resilient locking spring means 14 comprises an end 28 capable of coming under a stop 32 belonging to the blocking means 12.
  • the locking means 12 may also have a ramp 34 formed on the abutment 32 so as to enable the end 28 to be placed in position under the abutment 32 in the case where the elastic return means 14 is re-compressed by one of the levers.
  • the transition from the active blocking position to the rest position can thus be assisted under the effect of its own weight or assisted by the torque generated by the flexible lug 12a.
  • the return of the blocking means 12 from the blocking position to the rest position can also be accompanied by the resetting of the elastic locking retaining means 14.
  • the locking means 12 comprises at least one elastic arm 39 configured to modify the length of the blocking means 12. Said elongation of the locking means 12 makes it possible to release the elastic locking retaining means 14 with respect to the abutment 32. The resilient locking spring means 14 then no longer exerts torque on the locking means 12. Said elongation of the elastic arm or arms 39 can be achieved when the locking means 12 passes from the active blocking position to the position of rest, especially when said locking means undergoes a significant pull of the opening lever 10 greater than a normal door pulling pull by a user.
  • Each elastic arm 39 has deformation characteristics allowing to resume their original shape after elongation in the locking position of the blocking means 12. Therefore, in order to exit the end 28 of the elastic locking return means, it is necessary to pulling on the outer opening lever 10A greater than the stiffness corresponding to the sum of that of each elastic arm 39.
  • the transition from the blocking position to the rest position is ensured by the cooperation between the locking means 12, via the protrusion 30, and the intermediate opening lever 10B for not being blocked.
  • the external opening lever to be blocked provides only assistance in resting position.
  • the blocking means 12 may be in permanent contact with the opening lever which is not intended to be blocked, here the intermediate opening lever 10B in the rest position, or at a distance from the said opening lever which is not intended to be blocked by so that at each rotation of said lever in the opening direction of the opening, the elastic return means 14 is compressed.
  • This permanent contact in the rest position can be advantageously achieved by the protrusion 30 on the cam 11B of the opening lever.
  • the blocking means 12 may be made of a flexible material, such as an acetal resin, to allow deformation and elongation.
  • the trigger will be realized in the material that will achieve the desired mass for the inertial release.
  • each control means in particular the Bowden cable 7 can rotate the cam 11A or 11B and allow the opening of the lock 1 of the invention without hindrance on the part of the blocking means 12.
  • the elastic return means 14 holds the locking means 12 in abutment against said triggering means 16.
  • the lock 1 of the invention is subjected to a side impact along the direction 3.
  • the trigger element 16 moves and releases the locking means 12 which comes into contact with the cam 11 A of the opening lever which is to be locked, here the external opening lever 10A, by pivoting about its axis of rotation 17 under the effect of its elastic return means 14.
  • the protrusion 30 is spaced from the two opening levers 10A and 10B.
  • Each opening lever in particular the outer opening lever 10A which is directly connected to the external handle which is subjected to lateral impact 3, can be subjected to acceleration. Said outer opening lever 10A can then begin to rotate under the influence of a pull of the Bowden cable 7 and risk opening the opening 2.
  • the locking means 12 is housed in the recess of the protrusion 11b and blocks the opening lever 10A.
  • the outer opening lever 10A is thus stopped in the rotation that it had begun to perform by the blocking means 12.
  • the protrusion 30 remains at a distance from the two opening levers 10A and 10B.
  • the shock 3 induces oscillations tending to pivot the outer opening lever 10A in the opening direction of the opening 2, the latter typically have a lower intensity than the stiffness of the elastic arms 39, if the means of blocking 12 in comprises, in any event, the stiffness of the elastic return means 14, so that the locking means 12 remains in the locking position.
  • the trigger means 16 returns under the effect of its elastic return means 24 in the rest position.
  • the protuberance 30 follows the profile of the cam which causes the rotation of the locking means 12 towards the rest position in the triggering means 16.
  • the holding protrusion 18 of the triggering means is placed in the notch 20 of the means blocking.
  • the locking means 12 is in its rest position, as is the triggering means 16 which blocks the locking means via the stop 18.
  • the lock of the invention comprises a phase in which the triggering element is triggered which releases the locking element under the impulse of an inertial effort, a blocking principle, which prevents the opening by blocking the outer opening lever and a restoring principle by actuating the inner handle.
  • the invention allows to put in torsion or moment the locking means to prevent seizing of the locking device of the levers.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

Serrure (1) pour un ouvrant de véhicule automobile comportant : - un ensemble de moyens de commande (7), chaque moyen de commande étant mobile ; - un ensemble de leviers d'ouverture (10A, 10B) dudit ouvrant (2), chaque levier (10A, 10B) étant destiné à permettre l'ouverture de l'ouvrant(2) par un moyen de commande (7) de l'ensemble de moyens de commande, chaque levier (10A, 10B) comprenant une came (11A, 11B) mobile en rotation selon un axe de rotation (8) et fixée audit moyen de commande (7) au niveau d'une zone de fixation (9) de sorte à être entraînée en rotation lors du déplacement du moyen de commande (7); - un moyen de blocage (12) configuré pour prendre une position active de blocage dans laquelle ledit moyen de blocage (12) vient bloquer un levier d'ouverture (10A) et une position de repos dans laquelle ledit moyen de blocage (12) autorise le mouvement de chaque levier d'ouverture (10A, 10B), - un moyen de retour élastique de blocage (14) configuré pour faire passer ledit moyen de blocage (12) de la position de repos à la position active de blocage, et - un moyen déclencheur (16) configuré pour prendre une position de repos dans laquelle ledit moyen déclencheur (16) bloque le moyen de blocage (12) dans sa position de repos et une position active de déblocage dans laquelle ledit déclencheur (16) libère ledit moyen de blocage (12) pour que ce dernier passe de la position de repos à la position active de blocage, - le moyen de blocage (10) et un levier d'ouverture (10B) non bloqué par le moyen de blocage en position de blocage (10) coopérant de sorte à amener le moyen de blocage (12) de la position active de blocage à la position de repos lorsque ledit levier d'ouverture (10B) non bloqué pivote vers le sens de l'ouverture de l'ouvrant (2).Lock (1) for an opening of a motor vehicle comprising: a set of control means (7), each control means being mobile; - A set of opening levers (10A, 10B) of said opening (2), each lever (10A, 10B) being intended to allow the opening of the opening (2) by a control means (7) of the set of control means, each lever (10A, 10B) comprising a cam (11A, 11B) movable in rotation about an axis of rotation (8) and fixed to said control means (7) at a fastening area (9) so as to be rotated during the movement of the control means (7); - Locking means (12) configured to take an active locking position in which said locking means (12) blocks an opening lever (10A) and a rest position in which said locking means (12) allows the movement of each opening lever (10A, 10B), resilient locking return means (14) configured to pass said locking means (12) from the rest position to the active locking position, and a triggering means (16) configured to take a rest position in which said triggering means (16) blocks the locking means (12) in its rest position and an active unlocking position in which said trigger (16) releases said triggering locking means (12) for the latter to move from the rest position to the active blocking position, - the locking means (10) and an opening lever (10B) not blocked by the locking means in the locking position (10) cooperating so as to bring the locking means (12) from the active blocking position to the rest position when said unblocked opening lever (10B) pivots towards the opening direction of the opening (2).

Description

La présente invention concerne une serrure pour un ouvrant de véhicule automobile.The present invention relates to a lock for an opening of a motor vehicle.

Une serrure de véhicule automobile est destinée à être montée sur un ouvrant de véhicule automobile et comporte typiquement un pêne destiné à pivoter autour d'une gâche fixée sur la structure du véhicule automobile afin d'assurer la fermeture de l'ouvrant. L'ouverture de l'ouvrant est réalisée par une rotation du pêne en sens inverse. Dans des conditions normales d'utilisation, la rotation en sens inverse, dit « sens d'ouverture de l'ouvrant », est réalisée par le déplacement de la poignée extérieure qui est reliée à la serrure par un moyen de commande qui agit sur un levier d'ouverture, dit « extérieur » afin de faire pivoter ce dernier qui libère à son tour le pêne via un dispositif d'accrochage dans la direction souhaitée. Ladite rotation en sens inverse peut également être réalisée par la rotation de la poignée intérieure qui est reliée à la serrure par un moyen de commande qui agit sur un levier d'ouverture, dit « intérieur ». La rotation de ce dernier engendre la rotation d'un autre levier dit « intermédiaire » qui pivote et libère à son tour le pêne via un dispositif d'accrochage dans la direction souhaitée.A lock of a motor vehicle is intended to be mounted on an opening of a motor vehicle and typically comprises a bolt for pivoting around a striker fixed to the structure of the motor vehicle to ensure the closing of the opening. The opening of the opening is performed by a rotation of the bolt in the opposite direction. Under normal conditions of use, the rotation in the opposite direction, called "opening direction of the leaf", is achieved by the movement of the outer handle which is connected to the lock by a control means which acts on a opening lever, said "outside" to rotate the latter which releases in turn the bolt via a shackle in the desired direction. Said rotation in the opposite direction can also be achieved by the rotation of the inner handle which is connected to the lock by a control means which acts on an opening lever, called "inside". The rotation of the latter causes the rotation of another lever called "intermediate" which pivots and releases in turn the bolt via a shackle in the desired direction.

On entend ici par « poignée extérieure », une poignée disposée sur l'ouvrant du véhicule automobile actionnable par un utilisateur situé à l'extérieur de l'habitacle du véhicule automobile.Here means "external handle", a handle disposed on the opening of the motor vehicle operable by a user located outside the passenger compartment of the motor vehicle.

On entend ici par «poignée intérieure », une poignée disposée sur l'ouvrant du véhicule automobile actionnable par un utilisateur situé à l'intérieur de l'habitacle du véhicule automobile.Here means "inner handle", a handle disposed on the opening of the motor vehicle operable by a user located inside the passenger compartment of the motor vehicle.

On entend ici par « levier d'ouverture extérieur », le levier permettant l'ouverture de la serrure qui est entraîné en déplacement par l'action d'un utilisateur sur la poignée extérieure.Here means "outer opening lever", the lever for opening the lock which is driven in displacement by the action of a user on the outer handle.

On entend ici par « levier d'ouverture intermédiaire », le levier permettant l'ouverture de la serrure qui est commandé par le déplacement du levier d'ouverture dit « intérieur » qui est lui-même entraîné en déplacement par l'action d'un utilisateur sur la poignée intérieure.Here means "intermediate opening lever", the lever for opening the lock which is controlled by the movement of the opening lever said "inside" which is itself driven in displacement by the action of a user on the inside handle.

Cependant, en cas de choc latéral, la force inertielle exercée sur l'ouvrant peut exercer une force de traction suffisante sur un moyen de commande et agir sur un levier d'ouverture pour commander l'ouverture de la serrure et donc la libération de l'ouvrant, notamment sur le levier d'ouverture extérieur.However, in the event of a side impact, the inertial force exerted on the opening can exert a sufficient traction force on a control means and act on an opening lever to control the opening of the lock and thus the release of the 'opening, especially on the external opening lever.

Pour éviter cela, il existe des serrures configurées pour ne pas avoir de mouvement de cinématique lors d'un choc ou inhiber l'effet du mouvement.To avoid this, there are locks configured to not have kinematic movement during a shock or to inhibit the effect of movement.

Ainsi, il est proposé des solutions de blocage de la chaîne cinématique par effort résistant, tel que les ressorts, ou par blocage. Cette dernière solution permet une meilleure robustesse de la serrure vis-à-vis des différentes familles de choc.Thus, it is proposed solutions for blocking the drive train by resistant force, such as springs, or by blocking. This last solution allows a better robustness of the lock vis-à-vis the different families of shock.

Le blocage de serrure peut être réalisé par un obstacle extérieur engendrant une déformation due à un mouvement inertiel temporaire ou permanent, avec une possibilité de remise à l'état après choc dans ce dernier cas.The lock lock can be achieved by an external obstacle causing a deformation due to a temporary or permanent inertial movement, with a possibility of post-shock restoration in the latter case.

Le blocage par un obstacle extérieur est typiquement réalisé par un système qui intervient par déformation de la porte. Si une déformation est supérieure à une valeur seuil, alors il y a un obstacle extérieur qui bloque le mouvement de la chaîne d'ouverture.Blocking by an external obstacle is typically achieved by a system that intervenes by deformation of the door. If a deformation is greater than a threshold value, then there is an external obstacle that blocks the movement of the opening chain.

La consigne de blocage vient typiquement de déformation de la tôle du véhicule. La déformation de cette tôle va venir positionner un obstacle appartenant soit à la serrure, soit à la tôlerie, en face du levier d'ouverture extérieur. Le levier intervenant directement dans l'ouverture de la serrure, cette dernière ne peut se faire.The locking instruction typically comes from deformation of the vehicle sheet. The deformation of this sheet will come to position an obstacle belonging either to the lock or the sheet metal, opposite the opening lever outside. The lever intervenes directly in the opening of the lock, the latter can not be done.

Cependant, un tel système nécessite une adaptation à la géométrie de la porte, une déformation de ladite porte, une insensibilité au mouvement de la poignée et l'impossibilité d'ouverture de la porte après le choc.However, such a system requires an adaptation to the geometry of the door, a deformation of said door, insensitivity to the movement of the handle and the impossibility of opening the door after the shock.

Il existe le blocage temporaire par mouvement inertiel réalisé par un système qui réagit à une accélération anormale de la serrure. Si la valeur et la durée de l'accélération sont supérieures à une valeur seuil, alors une biellette se déplace pour bloquer l'ouverture ou débrayer le mouvement.There is the temporary blocking by inertial movement realized by a system that reacts to an abnormal acceleration of the lock. If the value and duration of the acceleration are greater than a threshold value, then a link moves to block the opening or to disengage the movement.

Dans ces conceptions, une cale de condamnation avec ressort est typiquement accrochée au levier d'ouverture extérieur. Un effort inertiel déplace ladite cale sur le côté pendant le mouvement dudit levier. Une goulotte accueille la cale et l'empêche de redescendre le temps que le levier d'ouverture extérieur est activé. Le levier d'ouverture extérieur ne pouvant être activé, il n'y a pas d'ouverture.In these designs, a spring-loaded shim is typically attached to the outer opening lever. Inertial force moves said shim to the side during movement of said lever. A chute receives the hold and prevents it from going back down while the outside opening lever is activated. The external opening lever can not be activated, there is no opening.

Cependant, ce système nécessite une bonne connaissance du choc, notamment du mouvement de la poignée en cas de chocs, une certaine synchronisation des mouvements de réglage et une certaine insensibilité au mouvement du levier d'ouverture extérieur.However, this system requires a good knowledge of the shock, including the movement of the handle in case of shocks, a certain synchronization of the adjustment movements and some insensitivity to the movement of the outer opening lever.

Un but de l'invention est de proposer une serrure pour un véhicule automobile qui permet d'interdire l'ouverture extérieure ou intérieure sous l'effet d'une force inertielle, qu'elle soit unique ou multiple, appliquée à la serrure durant un accident de voiture, tout en permettant, une fois la force inertielle redevenue nulle, la réouverture de la serrure sans présenter les inconvénients de l'art antérieur.An object of the invention is to propose a lock for a motor vehicle which allows to prohibit the external or internal opening under the effect of an inertial force, whether single or multiple, applied to the lock during a car accident, while allowing, once the inertial force becomes zero, the reopening of the lock without the disadvantages of the prior art.

A cet effet, l'invention a pour objet une serrure pour un ouvrant de véhicule automobile comportant une serrure pour un ouvrant de véhicule automobile comportant :

  • un ensemble de moyens de commande, chaque moyen de commande étant mobile ;
  • un ensemble de leviers d'ouverture dudit ouvrant, chaque levier étant destiné à permettre l'ouverture de l'ouvrant par un moyen de commande de l'ensemble de moyens de commande, chaque levier comprenant une came mobile en rotation selon un axe de rotation et fixée audit moyen de commande au niveau d'une zone de fixation de sorte à être entraînée en rotation lors du déplacement du moyen de commande ;
  • un moyen de blocage configuré pour prendre une position active de blocage dans laquelle ledit moyen de blocage vient bloquer un levier d'ouverture et une position de repos dans laquelle ledit moyen de blocage autorise le mouvement de chaque levier d'ouverture,
  • un moyen de retour élastique de blocage configuré pour faire passer ledit moyen de blocage de la position de repos à la position active de blocage, et
  • un moyen déclencheur configuré pour prendre une position de repos dans laquelle ledit moyen déclencheur bloque le moyen de blocage dans sa position de repos et une position active de déblocage dans laquelle ledit déclencheur libère ledit moyen de blocage pour que ce dernier passe de la position de repos à la position active de blocage,
  • le moyen de blocage et un levier d'ouverture non bloqué par le moyen de blocage en position de blocage coopérant de sorte à amener le moyen de blocage de la position active de blocage à la position de repos lorsque ledit levier d'ouverture non bloqué pivote vers le sens de l'ouverture de l'ouvrant.
For this purpose, the subject of the invention is a lock for an opening leaf of a motor vehicle comprising a lock for an opening leaf of a motor vehicle comprising:
  • a set of control means, each control means being movable;
  • a set of levers opening said opening, each lever being intended to allow the opening of the opening by a control means of the set of control means, each lever comprising a cam movable in rotation along an axis of rotation and attached to said control means at a fastening area so as to be rotated during movement of the control means;
  • blocking means configured to take an active locking position in which said locking means blocks an opening lever and a rest position in which said blocking means allows the movement of each opening lever,
  • resilient locking return means configured to move said locking means from the home position to the active locking position, and
  • a triggering means configured to assume a rest position in which said triggering means blocks the locking means in its rest position and an active unlocking position in which said trigger releases said blocking means for the latter to move from the rest position at the active blocking position,
  • the blocking means and an opening lever not blocked by the blocking means in locking position cooperating so as to bring the blocking means of the active blocking position to the rest position when said unblocked opening lever pivots towards the direction of the opening of the opening.

La serrure de la présente invention permet ainsi d'avoir un blocage efficace de la porte et d'éviter l'ouverture de la serrure pour un mouvement d'un des leviers d'ouverture. Ladite serrure présente également l'avantage de pouvoir remettre le système de blocage en position initiale sous l'effet d'une opération de traction simple du levier d'ouverture non destiné à être bloqué par le moyen de blocage après le choc.The lock of the present invention thus makes it possible to effectively block the door and to prevent the opening of the lock for a movement of one of the opening levers. Said lock also has the advantage of being able to return the locking system to the initial position under the effect of a simple pull operation of the opening lever not intended to be blocked by the blocking means after the impact.

Un tel système de blocage est de manière avantageuse indépendant de la géométrie de la porte, du mouvement de la poignée et du type de choc, n'engendre pas de stress sur la chaine cinématique, ne nécessite pas de réglage délicat et est indépendant des contraintes géométriques.Such locking system is advantageously independent of the geometry of the door, the movement of the handle and the type of shock, does not generate stress on the kinematic chain, does not require delicate adjustment and is independent of geometric constraints.

Suivant des modes de réalisation préférés, la serrure pour véhicule automobile selon l'invention comprend une ou plusieurs des caractéristiques suivantes, prises séparément ou en combinaison :

  • le moyen de blocage et le levier d'ouverture destiné à ne pas être bloqué coopèrent par le contact d'une excroissance appartenant au moyen de blocage ou à un levier d'ouverture sur la came du levier d'ouverture destiné à être non bloqué ;
  • le moyen de blocage et le levier d'ouverture destiné à ne pas être bloqué coopèrent par le contact d'une excroissance appartenant à une pièce distincte du moyen de blocage ou des leviers d'ouverture ;
  • le moyen de retour élastique de blocage comporte une première extrémité apte à venir sous une butée appartenant au moyen de blocage et une deuxième extrémité apte à être fixée sur un élément fixe de la serrure ;
  • le moyen de blocage comporte une patte élastique en butée contre un élément fixe de la serrure et destinée à exercer une force de rappel sur le moyen de blocage lorsque ce dernier est en position active de blocage ;
  • le moyen déclencheur est associé à un moyen de retour élastique de déblocage configuré pour permettre le passage du moyen déclencheur de la position de repos à la position active de déblocage ;
  • le moyen déclencheur est mobile en translation grâce au moyen de retour élastique, tel qu'un ressort en compression, fixé au moyen déclencheur et à un élément fixe de la serrure ;
  • le moyen déclencheur comporte une excroissance venant sensiblement dans ou sur une encoche complémentaire présente dans le moyen de blocage ;
  • le moyen de blocage est disposé dans la serrure en position de repos de sorte qu'à chaque rotation du levier d'ouverture dans le sens de l'ouverture de l'ouvrant et lorsque le moyen de blocage est en position de repos, le moyen de blocage et le levier d'ouverture viennent en contact ;
  • la came du levier d'ouverture destiné à être bloqué comporte une excroissance, de type crochet, formée par une butée de structure définissant un renfoncement destiné à recevoir une partie de moyen de blocage lorsque cette dernière est en position active de blocage de sorte à bloquer le mouvement du levier d'ouverture destiné à être bloqué ;
  • le moyen de blocage comporte une rampe permettant au moyen de retour élastique de blocage de revenir sous la butée lorsque ledit moyen de blocage passe de la position active de blocage à la position de repos ;
  • l'excroissance est configurée pour recevoir l'extrémité du moyen de retour élastique de blocage et pour entrainer cette dernière sous la butée du moyen de blocage lorsque le moyen de blocage a été amené en position de repos ;
  • le moyen de blocage comporte au moins un bras élastique configuré pour modifier la longueur du moyen de blocage pour permettre de désengager le moyen de retour élastique de blocage par rapport au moyen de blocage lorsque le moyen de blocage passe de la position active de blocage à la position de repos ;
  • le levier d'ouverture destiné à être bloqué est le levier d'ouverture extérieur destiné à être entraîné par un moyen de commande commandé par une poignée extérieure au véhicule automobile et le levier d'ouverture destiné à ne pas être bloqué est le levier d'ouverture intermédiaire destiné à être entraîné par un moyen de commande commandé par une poignée intérieure au véhicule automobile.
According to preferred embodiments, the lock for a motor vehicle according to the invention comprises one or more of the following characteristics, taken separately or in combination:
  • the locking means and the opening lever for not being blocked cooperate by the contact of an outgrowth belonging to the blocking means or to an opening lever on the cam of the opening lever intended to be unblocked;
  • the locking means and the opening lever for not being blocked cooperate by the contact of an outgrowth belonging to a separate part of the locking means or the opening levers;
  • the elastic spring locking means comprises a first end adapted to come under a stop belonging to the locking means and a second end adapted to be fixed on a fixed element of the lock;
  • the locking means comprises an elastic lug abutting against a fixed element of the lock and intended to exert a restoring force on the locking means when the latter is in the active locking position;
  • the triggering means is associated with a release elastic return means configured to allow the passage of the triggering means from the rest position to the active unlocking position;
  • the triggering means is movable in translation by the springback means, such as a compression spring, fixed to the triggering means and to a fixed element of the lock;
  • the triggering means comprises an outgrowth coming substantially in or on a complementary notch present in the locking means;
  • the locking means is arranged in the lock in the rest position so that at each rotation of the opening lever in the opening direction of the opening and when the locking means is in the rest position, the means blocking and opening lever come into contact;
  • the cam of the opening lever to be locked comprises a protrusion, hook-type, formed by a structural abutment defining a recess for receiving a blocking means part when the latter is in the active locking position of to block the movement of the opening lever to be blocked;
  • the blocking means comprises a ramp allowing the resilient locking means to return under the abutment when said blocking means passes from the active blocking position to the rest position;
  • the protuberance is configured to receive the end of the locking elastic return means and to drive the latter under the abutment of the locking means when the locking means has been brought into the rest position;
  • the locking means comprises at least one resilient arm configured to modify the length of the locking means to allow disengagement of the locking elastic return means relative to the locking means when the blocking means passes from the active locking position to the rest position;
  • the opening lever to be locked is the outer opening lever intended to be driven by a control means controlled by a handle external to the motor vehicle and the opening lever to not be blocked is the lever of intermediate opening for being driven by a control means controlled by an inner handle of the motor vehicle.

L'invention a également pour objet un véhicule automobile comportant un ouvrant et une serrure destinée à ouvrir et à fermer ledit ouvrant.The invention also relates to a motor vehicle having an opening and a lock for opening and closing said opening.

D'autres avantages et caractéristiques apparaîtront à la lecture de la description de l'invention donnée à titre d'exemple, ainsi que sur les figures annexées sur lesquelles :

  • la figure 1 est une vue partielle du dessus d'un véhicule soumis à un choc latéral ;
  • les figures 2 à 4 sont des vues de face et en perspective d'un mode de réalisation d'une serrure l'invention ;
  • la figure 5 est une vue schématique partielle de face d'une variante du mode de réalisation des figures 2 à 4 comprenant une patte élastique agissant sur le moyen de blocage ;
  • Les figures 6a à 6f sont des vues en face d'une variante du mode de réalisation des figures 2 à 4 en fonctionnement.
Other advantages and characteristics will appear on reading the description of the invention given by way of example, as well as on the appended figures in which:
  • the figure 1 is a partial view of the top of a vehicle subject to a side impact;
  • the Figures 2 to 4 are front and perspective views of an embodiment of a lock the invention;
  • the figure 5 is a partial schematic front view of a variant of the embodiment of the Figures 2 to 4 comprising an elastic tab acting on the blocking means;
  • The Figures 6a to 6f are views opposite a variant of the embodiment of the Figures 2 to 4 Operating.

La serrure de l'invention comporte deux types de levier d'ouverture : un levier d'ouverture intérieur et un levier d'ouverture extérieur. Le levier d'ouverture extérieur est connecté via un câble, comme le câble Bowden, ou une tringle à la poignée extérieure. Le levier d'ouverture intérieur est connecté via un autre câble à la poignée intérieur. Ledit levier d'ouverture intérieur est également connecté via un ou plusieurs éléments à un levier d'ouverture intermédiaire qui permet l'ouverture de la serrure.The lock of the invention comprises two types of opening lever: an inner opening lever and an outer opening lever. The outside opening lever is connected via a cable, such as the Bowden cable, or a rod to the outside handle. The inner opening lever is connected via another cable to the inner handle. said Inner opening lever is also connected via one or more elements to an intermediate opening lever that allows the opening of the lock.

Comme représenté sur la figure 1, la serrure de l'invention 1 est adaptée pour ouvrir tout type d'ouvrant d'un véhicule automobile, notamment une porte latérale 2.As shown on the figure 1 , the lock of the invention 1 is adapted to open any type of opening of a motor vehicle, in particular a side door 2.

Sur cette figure 1 est illustré un exemple de choc latéral suivant une direction 3 sensiblement perpendiculaire à l'axe principal 4 du véhicule automobile 5. Le choc peut être engendré par toute sorte d'élément, ici est représenté un véhicule automobile 6. Un tel choc agit sur la poignée extérieure dans le sens de l'ouverture de cette dernière, selon un mouvement oscillant comprenant une ou plusieurs phases durant lesquels la tringle ou le câble est tiré ce qui risque d'engendrer de ce fait l'ouverture de la serrure.On this figure 1 is illustrated an example of side impact in a direction 3 substantially perpendicular to the main axis 4 of the motor vehicle 5. The shock may be generated by any kind of element, here is shown a motor vehicle 6. Such a shock acts on the external handle in the opening direction of the latter, according to an oscillating movement comprising one or more phases during which the rod or the cable is pulled which may thereby cause the opening of the lock.

Comme représenté schématiquement sur les figures 2 à 5, ladite serrure 1 comporte un système de blocage comprenant:

  • un ensemble de moyens de commande 7, chaque moyen de commande étant mobile;
  • un ensemble de leviers d'ouverture 10A et 10B dudit ouvrant 2, chaque levier 10A, 10B étant destiné à permettre l'ouverture de l'ouvrant 2 par un moyen de commande 7 de l'ensemble de moyens de commande, chaque levier comprenant une came 11A et 11B mobile en rotation selon un axe de rotation 8 et fixée audit moyen de commande 10A et 10B au niveau d'une zone de fixation 9 de sorte à être entraînée en rotation lors du déplacement du moyen de commande 10A et 10B;
  • un moyen de blocage 12 configuré pour prendre une position active de blocage dans laquelle ledit moyen de blocage 12 vient bloquer un levier d'ouverture 10A et une position de repos dans laquelle ledit moyen de blocage 12 autorise le mouvement de chaque levier d'ouverture 10A et 10B,
  • un moyen de retour élastique de blocage 14 configuré pour faire passer ledit moyen de blocage 12 de la position de repos à la position active de blocage, et
  • un moyen déclencheur 16 configuré pour prendre une position de repos dans laquelle ledit moyen déclencheur 16 bloque le moyen de blocage 12 dans sa position de repos et une position active de déblocage dans laquelle ledit déclencheur 16 libère ledit moyen de blocage 12 pour que ce dernier passe de la position de repos à la position active de blocage,
  • le moyen de blocage 12 et un levier d'ouverture 10B non bloqué par le moyen de blocage en position de blocage coopérant de sorte à amener le moyen de blocage 12 de la position active de blocage à la position de repos lorsque ledit levier d'ouverture non bloqué 10B pivote vers le sens de l'ouverture de l'ouvrant 2.
As shown schematically on Figures 2 to 5 said lock 1 comprises a locking system comprising:
  • a set of control means 7, each control means being movable;
  • a set of opening levers 10A and 10B of said opening 2, each lever 10A, 10B being intended to allow the opening of the opening 2 by a control means 7 of the set of control means, each lever comprising a cam 11A and 11B rotatably movable about an axis of rotation 8 and attached to said control means 10A and 10B at a fastening area 9 so as to be rotated during the movement of the control means 10A and 10B;
  • a locking means 12 configured to take an active locking position in which said locking means 12 blocks an opening lever 10A and a rest position in which said locking means 12 allows the movement of each opening lever 10A and 10B,
  • resilient locking return means 14 configured to pass said locking means 12 from the home position to the active locking position, and
  • a triggering means 16 configured to take a rest position in which said triggering means 16 blocks the locking means 12 in its rest position and an active unlocking position in which said trigger 16 releases said blocking means 12 for the latter to pass from the home position to the active blocking position,
  • the locking means 12 and an opening lever 10B not blocked by the means of blocking in locking position cooperating so as to bring the blocking means 12 of the active blocking position to the rest position when said unblocked opening lever 10B pivots towards the opening direction of the opening 2.

Dans le mode de réalisation représenté sur les figures, le levier d'ouverture 10A est le levier d'ouverture extérieur connecté à la poignée extérieure de l'ouvrant 2 via le câble de Bowden 7. Le levier d'ouverture 10B est le levier d'ouverture intermédiaire connecté directement ou indirectement à la poignée intérieure de l'ouvrant 2 via un câble ou une tringle (non représenté).In the embodiment shown in the figures, the opening lever 10A is the external opening lever connected to the outer handle of the opening 2 via the Bowden cable 7. The opening lever 10B is the lever of the opening. intermediate opening connected directly or indirectly to the inner handle of the opening 2 via a cable or a rod (not shown).

Il est possible d'envisager une autre configuration avec le levier d'ouverture intermédiaire destiné à être bloqué et le levier d'ouverture extérieur destiné à ne pas être bloqué.It is possible to envisage another configuration with the intermediate opening lever to be locked and the outer opening lever to not be blocked.

Dans tous les cas, lorsqu'un des leviers d'ouverture, extérieur ou intermédiaire, est bloqué par le moyen de blocage, la serrure ne peut s'ouvrir sous l'effet du choc.In any case, when one of the opening levers, external or intermediate, is blocked by the blocking means, the lock can not open under the effect of the shock.

Comme il est visible sur la figure 2, chaque levier 10A et 10B comporte une came 11A et 11B, respectivement, mobile en rotation selon un axe de rotation 8, lorsqu'une traction est exercée sur le moyen de commande, à savoir le câble Bowden 7 ou la tringle agissant sur le levier d'ouverture intermédiaire 10B.As it is visible on the figure 2 each lever 10A and 10B comprises a cam 11A and 11B, respectively, rotatable about an axis of rotation 8, when traction is exerted on the control means, namely the Bowden cable 7 or the rod acting on the lever intermediate opening 10B.

Afin d'améliorer le retour du moyen de blocage 12 de la position de blocage à la position de repos, le levier d'ouverture 10A peut comporter en outre un moyen d'entraînement, tel qu'une première butée (non représentée) pour accompagner le moyen de blocage 12 de la position active à la position de repos si le levier d'ouverture extérieur 10A est entraîné par action sur la poignée extérieure vers le sens de l'ouverture de l'ouvrant 2.In order to improve the return of the blocking means 12 from the blocking position to the rest position, the opening lever 10A may furthermore comprise a drive means, such as a first stop (not shown) to accompany the locking means 12 from the active position to the rest position if the outer opening lever 10A is driven by action on the outer handle towards the opening direction of the opening 2.

Dans une première variante de la solution représentée à la figure 2, le moyen d'entraînement peut être supporté par la came 11A sous la forme d'au moins une excroissance 13 qui permet le passage du moyen du blocage 12 en position de repos. Dans une seconde variante illustrée à la figure 5, c'est le moyen de blocage 12 qui est lui-même muni d'une patte élastique 12a afin d'aider ce passage. La patte élastique 12a est typiquement en butée contre un élément fixe 12b de la serrure de l'invention et destinée à exercer une force de rappel sur le moyen de blocage 12 lorsque ce dernier est en position active de blocage. La patte élastique 12a présente la forme d'une lame sensiblement mince ayant des caractéristiques de déformation permettant d'exercer sur le moyen de blocage 12 une force de rappel vers la position de repos.In a first variant of the solution represented in figure 2 , the drive means may be supported by the cam 11A in the form of at least one protrusion 13 which allows the passage of the locking means 12 in the rest position. In a second variant illustrated in figure 5 it is the locking means 12 which is itself provided with an elastic tab 12a to help this passage. The elastic tab 12a is typically in abutment against a fixed element 12b of the lock of the invention and intended to exert a restoring force on the locking means 12 when the latter is in the active locking position. The elastic tab 12a has the shape of a substantially thin blade having deformation characteristics for exerting on the locking means 12 a restoring force towards the rest position.

Dans les deux cas, la came 11A peut présenter une surface d'appui aptes à prendre contact avec le moyen de blocage 12 de sorte à entraîner ce dernier en position de repos et à réarmer le moyen de retour élastique 14.In both cases, the cam 11A may have a bearing surface adapted to make contact with the locking means 12 so as to drive the latter in the rest position and to reset the elastic return means 14.

L'excroissance 13 de la came 11A peut présenter une forme de type crochet formée par une butée de structure définissant un renfoncement destiné à recevoir une partie 15 de moyen de blocage 12 lorsque cette dernière est en position active de blocage de sorte à bloquer le mouvement du levier d'ouverture 10.The protrusion 13 of the cam 11A may have a hook-like shape formed by a structural abutment defining a recess for receiving a portion 15 of blocking means 12 when the latter is in the active locking position so as to block the movement the opening lever 10.

Le moyen déclencheur 16 et le moyen de blocage 12 peuvent être mobiles chacun en rotation ou en translation. Dans le cadre des exemples décrits, le moyen déclencheur 16 est mobile en translation, notamment suivant un axe sensiblement colinéaire avec le plan formé par les cames 11A et 11B. Le moyen de blocage 12 est mobile en rotation suivant un axe de rotation 17 sensiblement colinéaire à l'axe de rotation 8 des cames 11A et 11B.The triggering means 16 and the locking means 12 may be each movable in rotation or in translation. In the context of the examples described, the trigger means 16 is movable in translation, in particular along a substantially collinear axis with the plane formed by the cams 11A and 11B. The locking means 12 is rotatable about an axis of rotation 17 substantially collinear with the axis of rotation 8 of the cams 11A and 11B.

Toute autre combinaison est envisageable.Any other combination is possible.

Le moyen déclencheur 16 est ainsi configuré de sorte à bloquer tout mouvement du moyen de blocage 12. Pour ce faire, Le moyen déclencheur 16 peut comporter une excroissance de maintien 18 venant sensiblement dans ou sur une encoche complémentaire 20 présente dans le moyen de blocage 12. Cette géométrie permet de s'affranchir des jeux de fabrication du moyen de blocage et du moyen de déclenchement. Dans la position de repos du moyen déclencheur 16 et du moyen de blocage 12, le moyen de retour élastique de blocage 14 exerce un couple permanent sur l'excroissance de maintien 18 qui tend à faire remonter le moyen de blocage 12 vers la position de blocage.The triggering means 16 is thus configured so as to block any movement of the locking means 12. To do this, the triggering means 16 may comprise a holding protrusion 18 coming substantially in or on a complementary notch 20 present in the locking means 12 This geometry makes it possible to dispense with the manufacturing sets of the locking means and the triggering means. In the rest position of the triggering means 16 and the locking means 12, the resilient locking spring means 14 exert a permanent torque on the holding protrusion 18 which tends to raise the locking means 12 towards the locking position .

Le moyen déclencheur peut être réalisé sous la forme d'une unique pièce ou d'une multitude de pièces.The trigger means can be embodied as a single piece or a multitude of pieces.

Le moyen déclencheur 16 peut également être associé à un moyen de retour élastique de déblocage qui lui est propre, tel qu'un ressort en compression 24, qui permet un mouvement de translation dudit moyen déclencheur 16. Le moyen de retour élastique de déblocage 24 associé au moyen déclencheur 16 est fixé sur une partie fixe de la serrure 1 de l'invention. L'ensemble formé par le moyen déclencheur 16 et le moyen de retour élastique 24 associé sont disposés de sorte à se mouvoir suite à la force inertielle résultante du choc latéral subi par la serrure 1 de l'invention. Autrement dit, afin de mettre en mouvement le moyen déclencheur 16 et le moyen de blocage 12, il est nécessaire que la force inertielle en cas de choc subie par l'ouvrant soit être supérieure à la raideur du moyen de retour élastique 24.The triggering means 16 may also be associated with an unlocking spring means of its own, such as a compression spring 24, which allows a translational movement of said triggering means 16. The associated spring release means 24 by means of trigger 16 is fixed on a fixed part of the lock 1 of the invention. The assembly formed by the triggering means 16 and the associated spring return means 24 are arranged to move following the resultant inertial force of the side impact suffered by the lock 1 of the invention. In other words, in order to set the trigger means 16 and the blocking means 12 in motion, it is necessary that the inertial force in the event of impact experienced by the sash or be greater than the stiffness of the elastic return means 24.

Ledit retour élastique de déblocage 24 permet ainsi audit moyen déclencheur 16 de retenir le moyen de blocage 12 dans la position de repos. En cas de choc suivant la direction 3, ledit moyen de retour élastique de déblocage, tel que le ressort 24, est alors comprimé, entrainant le moyen déclencheur 16 et libérant le moyen de blocage 12. Le moyen déclencheur 16 atteint alors la position active de déblocage, grâce au ressort 24.Said spring release 24 thus allows said trigger means 16 to retain the locking means 12 in the rest position. In the event of a shock in the direction 3, said spring release means, such as the spring 24, is then compressed, causing the triggering means 16 and releasing the locking means 12. The triggering means 16 then reaches the active position of unblocking, thanks to the spring 24.

Le moyen de blocage 12 et un levier d'ouverture non bloqué par le moyen de blocage en position de blocage 10, comme ici le levier d'ouverture extérieur 10B coopèrent de sorte à amener le moyen de blocage 12 de la position active de blocage à la position de repos lorsque ledit levier d'ouverture 10 B pivote vers le sens de l'ouverture de l'ouvrant 2.The blocking means 12 and an opening lever not blocked by the locking means in the locking position 10, as here the outer opening lever 10B cooperate so as to bring the blocking means 12 from the active blocking position to the rest position when said opening lever B rotates towards the opening direction of the opening 2.

Avantageusement, le moyen de blocage 12 et le levier d'ouverture destiné à ne pas être bloqué, notamment le levier d'ouverture intermédiaire 10B, coopèrent par le contact d'une excroissance 30 appartenant au moyen de blocage 12 sur la came 11B du levier d'ouverture destiné à être non bloqué. Dans une variante l'excroissance 30 appartient à un des leviers d'ouvertures 10A ou 10B, en particulier le levier d'ouverture intermédiaire 10B.Advantageously, the blocking means 12 and the opening lever intended not to be blocked, in particular the intermediate opening lever 10B, cooperate by the contact of an outgrowth 30 belonging to the blocking means 12 on the lever cam 11B. opening to be unblocked. In a variant the protrusion 30 belongs to one of the opening levers 10A or 10B, in particular the intermediate opening lever 10B.

Selon encore une autre variante, l'excroissance 30 appartient à un élément distinct du moyen de blocage 12 et des leviers d'ouvertures 10A et 10B. Dans ce cas, ledit élément distinct peut comportant un bras afin de relayer le mouvement subi par l'excroissance 30 au moyen de blocage 12.According to yet another variant, the protrusion 30 belongs to a separate element of the locking means 12 and the opening levers 10A and 10B. In this case, said distinct element may comprise an arm in order to relay the movement undergone by the protrusion 30 to the locking means 12.

L'excroissance 30 permet ainsi de mettre en position de repos à partir de la position de blocage le moyen de blocage 12 en comprimant le moyen de retour élastique de blocage 14. Dans une variante exposée ci-après, le levier d'ouverture 10A destiné à être bloqué peut aider à la remise en position de repos en réarmant lui-même ledit moyen de retour élastique de blocage 14.The protrusion 30 thus makes it possible to put in the rest position from the locking position the blocking means 12 by compressing the resilient locking return means 14. In a variant explained below, the opening lever 10A intended to be blocked can assist in the return to the rest position by rearming itself said resilient locking spring means 14.

Ainsi, une partie de l'excroissance 30 est en appui sur la came 11B qui lorsqu'elle pivote autour de son axe de rotation 8 pousse l'excroissance 30 et ainsi le moyen de blocage vers la position de repos, à savoir à la position de maintien dans le déclencheur 16.Thus, a part of the protrusion 30 bears on the cam 11B which, when it pivots about its axis of rotation 8, pushes the protrusion 30 and thus the locking means towards the rest position, namely at the position holding in the trigger 16.

L'excroissance 30 peut être réalisée de manière monobloc ou non avec le moyen de blocage 12.The protrusion 30 can be made integrally or not with the locking means 12.

Il est également possible que la came 11B du levier d'ouverture intermédiaire porte l'excroissance 30 qui vient en appui sur une surface du moyen de blocage configurée pour permettre l'entraînement du moyen de blocage de la position de blocage à la position de repos.It is also possible for the cam 11B of the intermediate opening lever to bear the protrusion 30 which bears on a surface of the locking means configured to allow the drive of the locking means of the locking position to the rest position.

Le moyen de blocage 12 est également associé au moyen de retour élastique de blocage 14 qui peut être sous la forme d'un ou de plusieurs ressorts, notamment sous la forme d'un ressort en spiral. Dans ce dernier cas, le ressort en spiral a un axe de rotation sensiblement confondu avec celui du moyen de blocage 12. Le moyen de retour élastique de blocage 14 est configuré de sorte à travailler en amenant le moyen de blocage 12 de la position de repos vers la position active de blocage en cas de libération dudit moyen de blocage 12 par le moyen déclencheur 16.The locking means 12 is also associated with the resilient locking spring means 14 which may be in the form of one or more springs, in particular in the form of a spiral spring. In the latter case, the spiral spring has an axis of rotation substantially coinciding with that of the blocking means 12. The resilient locking spring means 14 is configured to work by bringing the blocking means 12 from the rest position. towards the active blocking position in the event of release of said blocking means 12 by the triggering means 16.

Un des leviers d'ouverture, voire les deux leviers d'ouverture, peut comporter une surface de contact, notamment une butée (non représentée), apte à recevoir l'extrémité du moyen de retour élastique de blocage 14 et à entrainer cette dernière de sorte à remettre le moyen de retour élastique 14 en position de travail. Dans le cas où un unique levier comporte cette butée, ledit levier peut être le levier d'ouverture extérieur ce qui permet de remettre sous compression le moyen de retour élastique de blocage 14 après avoir actionné la poignée extérieure.One of the opening levers, or even the two opening levers, may comprise a contact surface, in particular an abutment (not shown), able to receive the end of the elastic locking retaining means 14 and to drive the latter so to return the elastic return means 14 in the working position. In the case where a single lever comprises this stop, said lever may be the external opening lever which allows to re-compress the elastic locking return means 14 after actuating the outer handle.

Selon le mode de réalisation de la figure 5, le moyen de retour élastique de blocage 14 comporte une extrémité 28 apte à venir sous une butée 32 appartenant au moyen de blocage 12.According to the embodiment of the figure 5 , the resilient locking spring means 14 comprises an end 28 capable of coming under a stop 32 belonging to the blocking means 12.

Le moyen de blocage 12 peut également présenter une rampe 34 formée sur la butée 32 de sorte à permettre la mise en position de l'extrémité 28 sous la butée 32 dans le cas où le moyen de retour élastique 14 est remis en compression par un des leviers.The locking means 12 may also have a ramp 34 formed on the abutment 32 so as to enable the end 28 to be placed in position under the abutment 32 in the case where the elastic return means 14 is re-compressed by one of the levers.

Le passage de la position active de blocage à la position de repos peut ainsi être aidé sous l'effet de son propre poids ou aidé par le couple engendré par la patte flexible 12a. Le retour du moyen de blocage 12 de la position de blocage à la position de repos peut également s'accompagner du réarmement du moyen de retour élastique de blocage 14. Pour ce faire, le moyen de blocage 12 comporte au moins un bras élastique 39 configuré pour modifier la longueur du moyen de blocage 12. Ledit allongement du moyen de blocage 12 permet de libérer le moyen de retour élastique de blocage 14 par rapport à la butée 32. Le moyen de retour élastique de blocage 14 n'exerce alors plus de couple sur le moyen de blocage 12. Ledit allongement du ou des bras élastiques 39 peut être réalisé lorsque le moyen de blocage 12 passe de la position active de blocage à la position de repos, notamment lorsque ledit moyen de blocage subit une traction important du levier d'ouverture 10 supérieure à une traction normale d'ouverture de porte par un utilisateur.The transition from the active blocking position to the rest position can thus be assisted under the effect of its own weight or assisted by the torque generated by the flexible lug 12a. The return of the blocking means 12 from the blocking position to the rest position can also be accompanied by the resetting of the elastic locking retaining means 14. To do this, the locking means 12 comprises at least one elastic arm 39 configured to modify the length of the blocking means 12. Said elongation of the locking means 12 makes it possible to release the elastic locking retaining means 14 with respect to the abutment 32. The resilient locking spring means 14 then no longer exerts torque on the locking means 12. Said elongation of the elastic arm or arms 39 can be achieved when the locking means 12 passes from the active blocking position to the position of rest, especially when said locking means undergoes a significant pull of the opening lever 10 greater than a normal door pulling pull by a user.

Chaque bras élastique 39 présente des caractéristiques de déformation permettant de reprendre leur forme d'origine après élongation en position de blocage du moyen de blocage 12. Par conséquent, afin de sortir l'extrémité 28 du moyen de retour élastique de blocage, il convient d'exercer une traction sur le levier d'ouverture extérieur 10A supérieure à la raideur correspondant à la somme de celle de chaque bras élastique 39.Each elastic arm 39 has deformation characteristics allowing to resume their original shape after elongation in the locking position of the blocking means 12. Therefore, in order to exit the end 28 of the elastic locking return means, it is necessary to pulling on the outer opening lever 10A greater than the stiffness corresponding to the sum of that of each elastic arm 39.

Ainsi, en position active de blocage, lorsque le levier d'ouverture extérieur 10A pivote vers le sens d'ouverture, à savoir lorsqu'un utilisateur agit sur le câble ou une tringle entrainant ledit levier pour ouvrir l'ouvrant 2, une pression est exercée sur le moyen de blocage au niveau de la ou des excroissances de la came 11A tendant le ou les bras 39 élastiques. La longueur du moyen de blocage 12 étant plus importante, l'extrémité 28 du moyen de retour élastique est libérée de la butée 32. Le réarmement s'effectue alors grâce à la butée 13 appartenant au levier d'ouverture 10 qui remet ladite extrémité 28 sous la butée 32 en passant par la rampe 34.Thus, in the active locking position, when the outer opening lever 10A pivots towards the opening direction, namely when a user acts on the cable or a rod driving said lever to open the opening 2, a pressure is exerted on the locking means at the level or the protuberances of the cam 11A tending the elastic arm or arms 39. The length of the locking means 12 being greater, the end 28 of the elastic return means is released from the stop 32. The reset is then performed thanks to the stop 13 belonging to the opening lever 10 which restores said end 28. under the stop 32 through the ramp 34.

Dans tous les cas, le passage de la position de blocage à la position de repos est assuré par la coopération entre le moyen de blocage 12, via l'excroissance 30, et le levier d'ouverture intermédiaire 10B destiné à ne pas être bloqué. Le levier d'ouverture extérieur destiné à être bloqué n'apporte qu'une aide à la remise en position de repos.In all cases, the transition from the blocking position to the rest position is ensured by the cooperation between the locking means 12, via the protrusion 30, and the intermediate opening lever 10B for not being blocked. The external opening lever to be blocked provides only assistance in resting position.

Le moyen de blocage 12 peut être en contact permanent avec le levier d'ouverture non destiné à être bloqué, ici le levier d'ouverture intermédiaire 10B en position de repos, ou bien à distance dudit levier d'ouverture non destiné à être bloqué de sorte qu'à chaque rotation dudit levier dans le sens de l'ouverture de l'ouvrant, le moyen de retour élastique 14 est comprimé. Ainsi, on évite tout blocage du moyen de blocage dû au vieillissement de la serrure. Ce contact permanent en position de repos, peut être avantageusement réalisé par l'excroissance 30 sur la came 11B du levier d'ouverture.The blocking means 12 may be in permanent contact with the opening lever which is not intended to be blocked, here the intermediate opening lever 10B in the rest position, or at a distance from the said opening lever which is not intended to be blocked by so that at each rotation of said lever in the opening direction of the opening, the elastic return means 14 is compressed. Thus, it avoids any blockage of the locking means due to aging of the lock. This permanent contact in the rest position can be advantageously achieved by the protrusion 30 on the cam 11B of the opening lever.

Le moyen de blocage 12 peut être réalisé dans un matériau souple, tel qu'une résine acétal, afin d'autoriser la déformation et l'allongement. L'élément déclencheur sera réalisé dans le matériau qui permettra d'atteindre la masse souhaitée pour le déclenchement inertiel.The blocking means 12 may be made of a flexible material, such as an acetal resin, to allow deformation and elongation. The trigger will be realized in the material that will achieve the desired mass for the inertial release.

La cinématique suivant un choc latéral, par exemple celui suivant la direction 3, va être maintenant décrite plus en détail.The kinematics following a side impact, for example that along the direction 3, will now be described in more detail.

Dans le mode de réalisation représenté sur la figure 6a, le moyen de blocage 12 et le moyen déclencheur 16 sont tous les deux en position de repos. Dans cette position, chaque moyen de commande, notamment le câble Bowden 7, peut faire pivoter la came 11A ou 11B et permettre l'ouverture de la serrure 1 de l'invention sans gêne de la part du moyen du blocage 12. Comme indiqué plus haut, selon un mode de réalisation, il est possible d'avoir un contact entre le moyen de blocage 12 et la came 11B du levier d'ouverture intermédiaire via l'excroissance 30 de sorte à comprimer légèrement sans gêner le pivotement de la came 11B afin de garantir le bon fonctionnement du moyen de blocage 12 et éviter tout grippage de ce dernier.In the embodiment shown on the figure 6a , the locking means 12 and the triggering means 16 are both in the rest position. In this position, each control means, in particular the Bowden cable 7, can rotate the cam 11A or 11B and allow the opening of the lock 1 of the invention without hindrance on the part of the blocking means 12. As indicated above high, according to one embodiment, it is possible to have a contact between the locking means 12 and the cam 11B of the intermediate opening lever via the protrusion 30 so as to compress slightly without interfering with the pivoting of the cam 11B to ensure the proper operation of the blocking means 12 and prevent seizure of the latter.

Dans cette position, l'excroissance de maintien 18 du moyen de déclenchement est bloquée dans l'encoche 20.In this position, the retaining projection 18 of the triggering means is locked in the notch 20.

Le moyen de retour élastique 14 maintient le moyen de blocage 12 en appui contre ledit moyen déclencheur 16.The elastic return means 14 holds the locking means 12 in abutment against said triggering means 16.

Dans le mode de réalisation représenté sur la figure 6b, la serrure 1 de l'invention subit un choc latéral suivant la direction 3. Dans ce mode de réalisation, Sous l'effet d'une force inertielle supérieure à la raideur du moyen de retour élastique 24, l'élément déclencheur 16 se déplace et libère le moyen de blocage 12 qui vient en contact de la came 11 A du levier d'ouverture destiné à être bloqué, ici le levier d'ouverture extérieur 10A, en pivotant autour de son axe de rotation 17 sous l'effet de son moyen de retour élastique 14.In the embodiment shown on the figure 6b , the lock 1 of the invention is subjected to a side impact along the direction 3. In this embodiment, under the effect of an inertial force greater than the stiffness of the elastic return means 24, the trigger element 16 moves and releases the locking means 12 which comes into contact with the cam 11 A of the opening lever which is to be locked, here the external opening lever 10A, by pivoting about its axis of rotation 17 under the effect of its elastic return means 14.

L'excroissance 30 est à distance des deux leviers d'ouverture 10A et 10B.The protrusion 30 is spaced from the two opening levers 10A and 10B.

Chaque levier d'ouverture, en particulier le levier d'ouverture extérieur 10A qui est directement relié à la poignée extérieure qui subit le choc latéral 3, peut être soumis à une accélération. Ledit levier d'ouverture extérieur 10A peut alors commencer une rotation sous l'influence d'une traction du câble de Bowden 7 et risquer ouvrir l'ouvrant 2.Each opening lever, in particular the outer opening lever 10A which is directly connected to the external handle which is subjected to lateral impact 3, can be subjected to acceleration. Said outer opening lever 10A can then begin to rotate under the influence of a pull of the Bowden cable 7 and risk opening the opening 2.

Selon le mode de réalisation représenté sur la figure 6c, le moyen de blocage 12 est logé dans le renfoncement de l'excroissance 11b et bloque le levier d'ouverture 10A. Le levier d'ouverture extérieur 10A est ainsi stoppé dans la rotation qu'il avait commencé à effectué par le moyen de blocage 12. L'excroissance 30 reste à distance des deux leviers d'ouverture 10A et 10B.According to the embodiment shown in Figure 6c, the locking means 12 is housed in the recess of the protrusion 11b and blocks the opening lever 10A. The outer opening lever 10A is thus stopped in the rotation that it had begun to perform by the blocking means 12. The protrusion 30 remains at a distance from the two opening levers 10A and 10B.

Si le choc 3 induit des oscillations tendant à faire pivoter le levier d'ouverture extérieur 10A dans le sens de l'ouverture de l'ouvrant 2, ces dernières ont typiquement une intensité inférieure à la raideur des bras élastiques 39, si le moyen de blocage 12 en comporte, en tout état de cause, à la raideur du moyen de retour élastique 14, si bien que le moyen de blocage 12 reste dans la position de blocage.If the shock 3 induces oscillations tending to pivot the outer opening lever 10A in the opening direction of the opening 2, the latter typically have a lower intensity than the stiffness of the elastic arms 39, if the means of blocking 12 in comprises, in any event, the stiffness of the elastic return means 14, so that the locking means 12 remains in the locking position.

Selon le mode de réalisation de la figure 6d, dès que l'accélération devient nulle, le moyen déclencheur 16 revient sous l'effet de son moyen de rappel élastique 24 dans la position de repos.According to the embodiment of the figure 6d as soon as the acceleration becomes zero, the trigger means 16 returns under the effect of its elastic return means 24 in the rest position.

Afin de dégager le moyen de blocage 12 de sa position de blocage et le remettre en position de repos dans le déclencheur 16, une action, comme une traction, est imposée au moyen de commande du levier d'ouverture intermédiaire 10B. Ainsi, la came 11B pivote autour de son axe de rotation 8 et vient se mettre en appui sur l'excroissance 30.In order to release the blocking means 12 from its blocking position and return it to the rest position in the trigger 16, an action, such as traction, is imposed on the control means of the intermediate opening lever 10B. Thus, the cam 11B pivots about its axis of rotation 8 and comes to rest on the protrusion 30.

Comme représenté sur la figure 6e, l'excroissance 30 suit le profil de la came qui entraîne la rotation du moyen de blocage 12 vers la position de repos dans le moyen déclencheur 16. L'excroissance de maintien 18 du moyen déclencheur vient se mettre dans l'encoche 20 du moyen de blocage.As shown on the figure 6e , the protuberance 30 follows the profile of the cam which causes the rotation of the locking means 12 towards the rest position in the triggering means 16. The holding protrusion 18 of the triggering means is placed in the notch 20 of the means blocking.

Comme représenté sur la figure 6f, le moyen de blocage 12 est dans sa position de repos, de même que le moyen déclencheur 16 qui bloque le moyen de blocage via la butée 18.As shown on the figure 6f , the locking means 12 is in its rest position, as is the triggering means 16 which blocks the locking means via the stop 18.

Ainsi de manière avantageuse, la serrure de l'invention comporte une phase dans laquelle on déclenche l'élément de déclenchement qui libère l'élément moyen de blocage sous l'impulsion d'un effort inertiel, un principe de blocage, qui empêche l'ouverture par blocage du levier d'ouverture extérieur et un principe de remise en position de repos en actionnant la poignée intérieure.Advantageously, the lock of the invention comprises a phase in which the triggering element is triggered which releases the locking element under the impulse of an inertial effort, a blocking principle, which prevents the opening by blocking the outer opening lever and a restoring principle by actuating the inner handle.

En outre, l'invention permet de mettre en torsion ou en moment le moyen de blocage pour éviter le grippage du dispositif de blocage des leviers.In addition, the invention allows to put in torsion or moment the locking means to prevent seizing of the locking device of the levers.

La serrure de l'invention présente les avantages suivants :

  • le blocage de l'ouverture en cas de traction sur le câble de levier d'ouverture extérieur lors d'un choc inertiel avec un dispositif de blocage indépendant de l'environnement de la serrure,
  • le blocage de la chaine cinématique de la serrure réalisé au sein de la serrure en évitant toute interaction avec des éléments présents dans l'ouvrant,
  • le déclenchement sous l'effet inertiel provenant d'un choc ou non,
  • le déclenchement s'opérant à partir d'un seuil d'effort inertiel qui est déterminé par la raideur choisi des moyens de retour élastique du moyen de blocage et du moyen déclencheur,
  • le temps de déplacement du moyen de blocage est constant puisqu'il dépend du moyen de retour élastique dont la raideur peut être choisie en fonction du temps de déplacement désiré,
  • le positionnement du moyen de blocage et du moyen déclencheur présente une haute tolérance car le blocage se fait par contact sur des zones ce qui permet de s'affranchir des jeux de fabrication,
  • la remise en positon de repos s'effectue de manière simple et fiable par un effort supplémentaire réalisable par un utilisateur sur la poignée intérieure,
  • le volume du support sur lequel sont fixés le moyen de blocage et le déclencheur est réduit ce qui permet également une réduction du coût de fabrication.
The lock of the invention has the following advantages:
  • blocking the opening in case of traction on the outer opening lever cable during an inertial shock with a locking device independent of the environment of the lock,
  • locking the kinematic chain of the lock made within the lock by avoiding any interaction with elements present in the opening,
  • triggering under the inertial effect from shock or not,
  • the tripping occurring from an inertial force threshold which is determined by the stiffness chosen means of elastic return of the locking means and the means trigger,
  • the displacement time of the locking means is constant since it depends on the elastic return means whose stiffness can be chosen as a function of the desired travel time,
  • the positioning of the locking means and the trigger means has a high tolerance because the blocking is done by contact on areas which eliminates manufacturing games,
  • restoring the rest position is performed simply and reliably by additional effort achievable by a user on the inner handle,
  • the volume of the support on which are fixed the locking means and the trigger is reduced which also allows a reduction in manufacturing cost.

Claims (15)

Serrure (1) pour un ouvrant de véhicule automobile comportant : - un ensemble de moyens de commande (7), chaque moyen de commande étant mobile ; - un ensemble de leviers d'ouverture (10A, 10B) dudit ouvrant (2), chaque levier (10A, 10B) étant destiné à permettre l'ouverture de l'ouvrant(2) par un moyen de commande (7) de l'ensemble de moyens de commande, chaque levier (10A, 10B) comprenant une came (11A, 11B) mobile en rotation selon un axe de rotation (8) et fixée audit moyen de commande (7) au niveau d'une zone de fixation (9) de sorte à être entraînée en rotation lors du déplacement du moyen de commande (7); - un moyen de blocage (12) configuré pour prendre une position active de blocage dans laquelle ledit moyen de blocage (12) vient bloquer un levier d'ouverture (10A) et une position de repos dans laquelle ledit moyen de blocage (12) autorise le mouvement de chaque levier d'ouverture (10A, 10B), - un moyen de retour élastique de blocage (14) configuré pour faire passer ledit moyen de blocage (12) de la position de repos à la position active de blocage, et - un moyen déclencheur (16) configuré pour prendre une position de repos dans laquelle ledit moyen déclencheur (16) bloque le moyen de blocage (12) dans sa position de repos et une position active de déblocage dans laquelle ledit déclencheur (16) libère ledit moyen de blocage (12) pour que ce dernier passe de la position de repos à la position active de blocage, - le moyen de blocage (10) et un levier d'ouverture (10B) non bloqué par le moyen de blocage en position de blocage (10) coopérant de sorte à amener le moyen de blocage (12) de la position active de blocage à la position de repos lorsque ledit levier d'ouverture (10B) non bloqué pivote vers le sens de l'ouverture de l'ouvrant (2). Lock (1) for an opening of a motor vehicle comprising: a set of control means (7), each control means being mobile; - A set of opening levers (10A, 10B) of said opening (2), each lever (10A, 10B) being intended to allow the opening of the opening (2) by a control means (7) of the set of control means, each lever (10A, 10B) comprising a cam (11A, 11B) movable in rotation about an axis of rotation (8) and fixed to said control means (7) at a fastening area (9) so as to be rotated during the movement of the control means (7); - Locking means (12) configured to take an active locking position in which said locking means (12) blocks an opening lever (10A) and a rest position in which said locking means (12) allows the movement of each opening lever (10A, 10B), resilient locking return means (14) configured to pass said locking means (12) from the rest position to the active locking position, and a triggering means (16) configured to take a rest position in which said triggering means (16) blocks the locking means (12) in its rest position and an active unlocking position in which said trigger (16) releases said triggering locking means (12) for the latter to move from the rest position to the active blocking position, - the locking means (10) and an opening lever (10B) not blocked by the locking means in the locking position (10) cooperating so as to bring the locking means (12) from the active blocking position to the rest position when said unblocked opening lever (10B) pivots towards the opening direction of the opening (2). Serrure (1) selon la revendication 1, dans laquelle le moyen de blocage (12) et le levier d'ouverture (10B) destiné à ne pas être bloqué coopèrent par le contact d'une excroissance (30) appartenant au moyen de blocage (12) ou à un levier d'ouverture (10B) sur la came (11B) du levier d'ouverture (10B) destiné à être non bloqué.Lock (1) according to claim 1, wherein the locking means (12) and the unlocking lever (10B) intended to be blocked cooperate by the contact of an outgrowth (30) belonging to the locking means ( 12) or an opening lever (10B) on the cam (11B) of the opening lever (10B) to be unblocked. Serrure (1) selon la revendication 1, dans laquelle le moyen de blocage (12) et le levier d'ouverture (10B) destiné à ne pas être bloqué coopèrent par le contact d'une excroissance (30) appartenant à une pièce distincte du moyen de blocage (12) ou des leviers d'ouverture (10A, 10B).Lock (1) according to claim 1, wherein the locking means (12) and the lever opening (10B) to not be blocked cooperate by the contact of an outgrowth (30) belonging to a separate part of the locking means (12) or the opening levers (10A, 10B). Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le moyen de retour élastique de blocage (14) comporte une première extrémité (28) apte à venir sous une butée appartenant au moyen de blocage (12) et une deuxième extrémité apte à être fixée sur un élément fixe de la serrure (1).Lock (1) according to any one of the preceding claims, wherein the resilient locking retaining means (14) comprises a first end (28) adapted to come under a stop belonging to the locking means (12) and a second end adapted to be fixed on a fixed element of the lock (1). Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le moyen de blocage (12) comporte une patte élastique (12a) en butée contre un élément fixe (12b) de la serrure et destinée à exercer une force de rappel sur le moyen de blocage (12) lorsque ce dernier est en position active de blocage.Lock (1) according to any one of the preceding claims, wherein the locking means (12) comprises an elastic tab (12a) abutting against a fixed element (12b) of the lock and intended to exert a restoring force on the locking means (12) when the latter is in the active blocking position. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le moyen déclencheur (16) est associé à un moyen de retour élastique de déblocage (24) configuré pour permettre le passage du moyen déclencheur (16) de la position de repos à la position active de déblocage.Lock (1) according to any one of the preceding claims, wherein the triggering means (16) is associated with an unlocking elastic return means (24) configured to allow the passage of the triggering means (16) from the rest position. at the active unlocking position. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le moyen déclencheur (16) est mobile en translation grâce au moyen de retour élastique (24), tel qu'un ressort en compression (24), fixé au moyen déclencheur (16) et à un élément fixe de la serrure.Lock (1) according to any one of the preceding claims, wherein the triggering means (16) is movable in translation by the elastic return means (24), such as a compression spring (24), fixed to the triggering means (16) and to a fixed element of the lock. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le moyen déclencheur (16) comporte une excroissance (18) venant sensiblement dans ou sur une encoche complémentaire (20) présente dans le moyen de blocage (12).Lock (1) according to any one of the preceding claims, wherein the trigger means (16) comprises an outgrowth (18) substantially in or on a complementary notch (20) present in the locking means (12). Serrure (1) l'une quelconque des revendications précédentes, dans laquelle le moyen de blocage (12) est disposé dans la serrure (1) en position de repos de sorte qu'à chaque rotation du levier d'ouverture (10A, 10B) dans le sens de l'ouverture de l'ouvrant (2) et lorsque le moyen de blocage (12) est en position de repos, le moyen de blocage (12) et le levier d'ouverture (10) viennent en contact.Lock (1) according to one of the preceding claims, wherein the locking means (12) is arranged in the lock (1) in the rest position so that at each rotation of the opening lever (10A, 10B) in the direction of opening of the opening (2) and when the locking means (12) is in the rest position, the locking means (12) and the opening lever (10) come into contact. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle la came (11A) du levier d'ouverture (10A) destiné à être bloqué comporte une excroissance (13), de type crochet, formée par une butée de structure définissant un renfoncement destiné à recevoir une partie (15) de moyen de blocage (12) lorsque cette dernière est en position active de blocage de sorte à bloquer le mouvement du levier d'ouverture (10A) destiné à être bloqué.Lock (1) according to any one of the preceding claims, wherein the cam (11A) of the opening lever (10A) to be locked comprises a protrusion (13), hook-type, formed by a structure abutment defining a recess for receiving a portion (15) of locking means (12) when the latter is in the active locking position so as to block the movement of the opening lever (10A) to be blocked. Serrure (1) selon la revendication précédente, dans laquelle le moyen de blocage (12) comporte une rampe (34) permettant au moyen de retour élastique de blocage (14) de revenir sous la butée (32) lorsque ledit moyen de blocage (12) passe de la position active de blocage à la position de repos.Lock (1) according to the preceding claim, wherein the locking means (12) comprises a ramp (34) allowing the resilient locking means (14) to return under the stop (32) when said locking means (12) ) moves from the active blocking position to the home position. Serrure (1) selon la revendication précédente, dans laquelle l'excroissance (13) est configurée pour recevoir l'extrémité (28) du moyen de retour élastique de blocage (14) et pour entrainer cette dernière sous la butée du moyen de blocage (12) lorsque le moyen de blocage (12) a été amené en position de repos.Lock (1) according to the preceding claim, wherein the protrusion (13) is configured to receive the end (28) of the locking elastic return means (14) and to drive the latter under the abutment of the locking means ( 12) when the locking means (12) has been brought to the rest position. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le moyen de blocage (12) comporte au moins un bras élastique (39) configuré pour modifier la longueur du moyen de blocage (12) pour permettre de désengager le moyen de retour élastique de blocage (14) par rapport au moyen de blocage (12) lorsque le moyen de blocage (12) passe de la position active de blocage à la position de repos.Lock (1) according to any one of the preceding claims, wherein the locking means (12) comprises at least one resilient arm (39) configured to change the length of the locking means (12) to allow disengagement of the locking means. elastic locking return (14) relative to the locking means (12) when the locking means (12) passes from the active blocking position to the rest position. Serrure (1) selon l'une quelconque des revendications précédentes, dans laquelle le levier d'ouverture destiné à être bloqué est le levier d'ouverture extérieur (10A) destiné à être entraîné par un moyen de commande (7) commandé par une poignée extérieure au véhicule automobile et le levier d'ouverture destiné à ne pas être bloqué est le levier d'ouverture intermédiaire (10B) destiné à être entraîné par un moyen de commande commandé par une poignée intérieure au véhicule automobile.Lock (1) according to any one of the preceding claims, wherein the opening lever to be locked is the outer opening lever (10A) to be driven by a control means (7) controlled by a handle external to the motor vehicle and the opening lever for not being blocked is the intermediate opening lever (10B) intended to be driven by a control means controlled by an inner handle of the motor vehicle. Véhicule automobile comportant un ouvrant et une serrure (1) destinée à ouvrir et à fermer ledit ouvrant selon l'une quelconque des revendications précédentes.Motor vehicle comprising an opening and a lock (1) intended to open and close said opening according to any one of the preceding claims.
EP14307094.4A 2014-12-18 2014-12-18 Lock for a door of a motor vehicle Active EP3034723B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP14307094.4A EP3034723B1 (en) 2014-12-18 2014-12-18 Lock for a door of a motor vehicle
US15/537,078 US10934746B2 (en) 2014-12-18 2015-12-17 Lock for a motor vehicle door leaf
PCT/EP2015/080169 WO2016097111A1 (en) 2014-12-18 2015-12-17 Lock for a motor vehicle door
CN201580069596.3A CN107109869B (en) 2014-12-18 2015-12-17 Latch for vehicle door
JP2017530324A JP6695339B2 (en) 2014-12-18 2015-12-17 Latch for car door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14307094.4A EP3034723B1 (en) 2014-12-18 2014-12-18 Lock for a door of a motor vehicle

Publications (2)

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EP3034723A1 true EP3034723A1 (en) 2016-06-22
EP3034723B1 EP3034723B1 (en) 2017-06-21

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EP14307094.4A Active EP3034723B1 (en) 2014-12-18 2014-12-18 Lock for a door of a motor vehicle

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US (1) US10934746B2 (en)
EP (1) EP3034723B1 (en)
JP (1) JP6695339B2 (en)
CN (1) CN107109869B (en)
WO (1) WO2016097111A1 (en)

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Also Published As

Publication number Publication date
US10934746B2 (en) 2021-03-02
WO2016097111A1 (en) 2016-06-23
EP3034723B1 (en) 2017-06-21
JP2018500487A (en) 2018-01-11
US20170342748A1 (en) 2017-11-30
CN107109869B (en) 2019-04-05
CN107109869A (en) 2017-08-29
JP6695339B2 (en) 2020-05-20

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