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EP1516098B1 - Lock for motor vehicle opening comprising means for inside and outside locking - Google Patents

Lock for motor vehicle opening comprising means for inside and outside locking Download PDF

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Publication number
EP1516098B1
EP1516098B1 EP03735721A EP03735721A EP1516098B1 EP 1516098 B1 EP1516098 B1 EP 1516098B1 EP 03735721 A EP03735721 A EP 03735721A EP 03735721 A EP03735721 A EP 03735721A EP 1516098 B1 EP1516098 B1 EP 1516098B1
Authority
EP
European Patent Office
Prior art keywords
lever
unlocking
lock
primary
angular
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.)
Expired - Lifetime
Application number
EP03735721A
Other languages
German (de)
French (fr)
Other versions
EP1516098A1 (en
Inventor
Dominique Baillet
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.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle 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 Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP1516098A1 publication Critical patent/EP1516098A1/en
Application granted granted Critical
Publication of EP1516098B1 publication Critical patent/EP1516098B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • 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
    • E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
    • E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
    • E05B77/28—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like for anti-theft purposes, e.g. double-locking or super-locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/0065—Operating modes; Transformable to different operating modes
    • E05B63/0069—Override systems, e.g. allowing opening from inside without the key, even when locked from outside
    • 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
    • E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
    • E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
    • E05B77/26—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • 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
    • 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
    • Y10T292/1075—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
    • Y10T292/57—Operators with knobs or handles

Definitions

  • the invention relates to a lock for opening a motor vehicle.
  • the deadlock function prevents the opening of the lock by a criminal, even when the window of the door is broken.
  • the opening of the lock is performed by means of a key which cooperates with a barrel mechanically controlling a lever driving the primary lever in the direction of unlocking.
  • the kinematic chain of the secondary lever remains in a lock state.
  • the user can enter the interior of the vehicle, since the outer control means of the opening are uninhibited, but it can not leave the vehicle, since the inner control means of the opening are still inhibited .
  • the aim of the invention is to propose a simple, effective and economical solution for solving this problem.
  • the invention proposes a lock of the type which is described above, characterized in that it comprises means for accelerating the angular pivoting of the secondary lever relative to the angular pivoting of the primary lever, during a phase global release to ensure unlocking of the secondary lever before that of the primary lever.
  • the connecting means is a link which comprises a point of articulation on the primary lever and a point of articulation on the secondary lever.
  • the secondary lever reaches its unlocking position before the primary lever reaches its unlocking position.
  • the user can not remain trapped in his vehicle.
  • the edge of the light is a cam which is shaped so that, during global unlocking phase, the radial distance between the pin and the secondary axis increases, to allow the primary lever to continue its pivoting to its unlocked position, after the secondary lever has reached its unlocked position.
  • a lock 10 which is for example intended to be fixed on a door (not shown) of a motor vehicle, according to a first example. Note that this first example is not covered by the claims, but is part of the state of the art useful for understanding the invention.
  • the lock 10 comprises for example a fixed frame (not shown) on which are mounted the main elements constituting the locking mechanism of the lock 10.
  • the main elements of the locking mechanism are schematized on the figure 1 .
  • the lock 10 comprises external control means of the opening, for example in the form of an outer pallet 12, which are arranged in the outer wall of the vehicle door.
  • the lock 10 comprises inner control means of the opening, for example in the form of an inner pallet 14, which are arranged in the inner wall of the vehicle door.
  • the lock 10 comprises means for inhibiting the outer pallet 12, so as to prevent the opening of the lock 10 from outside the vehicle. These means therefore implement the outer condemnation function of the vehicle.
  • the locking means of the outer pallet are represented here by a primary lever 16.
  • the primary lever 16 is pivotally mounted on the frame, about a fixed primary axis 18, between an unlocking angular position, shown in solid lines, and a locking angular position, shown in broken lines. In its locking position, the primary lever 16 inhibits the outer pallet 12.
  • the unlocking angular position and the locking angular position are respectively determined by stop means (not shown).
  • abutment means are constituted, for example, by an unlocking stud and a locking stud which cooperate with a complementary bearing surface carried by the primary lever 16.
  • the primary lever 16 can be rotated about its axis 18 by an associated primary electric actuator 20.
  • the lock 10 comprises means for inhibiting the inner pallet 14, so as to prevent the opening of the lock 10 from inside the vehicle. These means therefore implement the inner locking function of the vehicle.
  • the locking means of the inner pallet are represented here by a secondary lever 22.
  • the secondary lever 22 is pivotally mounted on the frame, about a fixed secondary axis 24, which is substantially parallel to the primary axis 18, between an unlocking angular position, represented in particular on the figure 2 , and an angular locking position, represented in particular figure 5 . In its locking position, the secondary lever 22 inhibits the inner pallet 14.
  • the unlocking angular position and the locking angular position are respectively determined by stop means (not shown).
  • abutment means are constituted, for example, by an unlocking stud and a locking stud which cooperate with a complementary bearing surface carried by the secondary lever 22.
  • the lock 10 comprises means provided to make the secondary lever 22 bistable, for example an elastic tongue which is formed integrally with the secondary lever 22, and which is designed to cooperate with a boss carried by the frame, in order to to cause the secondary lever 22 to tilt towards its angular abutment positions.
  • the secondary lever 22 can be rotated about its axis 24 by a secondary electric actuator 26 associated.
  • the electric actuators 20, 26 are controlled for example by means of a remote control 28.
  • the lock 10 also comprises a mechanical drive member which is connected to the primary lever 16 to directly cause its pivoting.
  • This drive member is constituted here by a transfer lever 30 which is controlled by a cylinder 32.
  • the pivoting of the barrel 32 which is produced for example by means of a key (not shown), actuates the transfer lever 30 which mechanically drives the primary lever 16 around its primary axis 18.
  • the lock 10 comprises a link 34 which is arranged between the primary lever 16 and the secondary lever 22.
  • the rod 34 is articulated at a fixed point 36 of the primary lever 16, here by its first longitudinal end, which comprises a finger 38 fitted into a housing 40 of the primary lever 16 and forming a hinge about an axis parallel to the axis primary 18.
  • the link 34 comprises, at its second longitudinal end, an axial pin 42 which is axially received in a slot 44 made in the secondary lever 22.
  • the light 44 extends generally in a plane transverse to the secondary axis 24, and here it has the shape of an arc of a circle centered on the secondary axis 24.
  • the light 44 here extends over an angular portion located above a horizontal axial plane, considering the figure 2 when the secondary lever 22 occupies its unlocking position.
  • the light 44 has an upper edge 46 and a lower edge 48 in circular arcs, as well as a left circumferential end edge 50 and a right circumferential end edge 52 of rounded shapes, which will be called respectively the left edge 50 and straight edge 52.
  • the pin 42 is capable of occupying two extreme positions, in the light 44, which are delimited by the two circumferential end edges 50, 52 of the light 44.
  • the link 34 makes it possible to link in angular displacement the primary and secondary levers 16 and 16 during a phase of operation which will be called “global unlocking phase", which consists in pivoting the primary lever 16 and the secondary lever 22 from their respective locking positions to their respective unlocking positions.
  • the transfer lever 30 is directly connected to the primary lever 16, and is indirectly connected to the secondary lever 22, via the rod 34.
  • the initial positions, for the primary lever 16 and for the secondary lever 22, are chosen arbitrarily their unlocking positions, as represented on the figures 2 and 3 .
  • the user who wishes to block the outer pallet 12, electrically controls, for example by means of the remote control 28, the primary electric actuator 20 to cause the pivoting of the primary lever 16, from its unlocked position, to its locking position , here in the clockwise direction.
  • the axial pin 42 tends to be placed in the portion of the light 44 at the far left, since the hinge 36 of the rod 34 moves globally to the left.
  • the axial pin 42 then comes to occupy an extreme position on the left, in the vicinity of the left edge 50 of the light 44, as represented on FIG. figure 4 .
  • the primary lever 16 is then pressed against its locking abutment and the outer pallet 12 is inhibited.
  • the user can control the global locking by controlling the secondary actuator 26 so that it causes the pivoting of the secondary lever 22, here in the counterclockwise direction, to its locking position.
  • This pivoting of the secondary lever 22 creates a relative movement of the light 44 relative to the axial pin 42, so that the axial pin 42 occupies an extreme right position in the light 44, in the vicinity of the right edge 52, as shown on the figure 5 .
  • the primary lever 16 can not pivot to its unlocking position, since the axial pin 42 is substantially in abutment against the straight edge 52 of the light 44; which prevents the movement of the rod 34 to the right.
  • the secondary actuator 26 is controlled, so that it causes the pivoting of the secondary lever 22 in the clockwise direction, to unlock it, and the actuator primary 20 is controlled, simultaneously or after the secondary actuator 26, so that it causes the pivoting of the primary lever 16 in the counterclockwise direction, to unlock it.
  • the transfer lever 30 directly drives the primary lever 16 in rotation, in the counterclockwise direction, from its locking position to its unlocked position.
  • the transfer lever 30 indirectly drives the pivoting of the secondary lever 22, via the rod 34, in the clockwise direction, from its locking position to its unlocking position. Indeed, during the pivoting of the primary lever 16, the link 34 moves to the right and it presses on the right edge 52 of the light 44, which causes the secondary lever 22 to rotate about its secondary axis 24.
  • the primary actuator 20 directly drives the primary lever 16 and indirectly the secondary lever 22, via the link 34, according to a similar operation to that described above.
  • a first problem is the position occupied by the primary levers 16 and secondary 22 relative to their respective angular stops, depending on the different operating situations.
  • each of the primary and secondary levers 16 and 16 has its own angular stops.
  • the pivoting of the primary lever 16 is linked to the pivoting of the secondary lever 22, via the link 34. Therefore, when one of the two levers 16, 22 reaches the unlocking stop, by For example, the primary lever 16, while the secondary lever 22 is no longer rotated.
  • the lock 10 which is made in accordance with the embodiment of the invention solves these problems.
  • the lock 10 solves these problems simply by modifying the light 44 made in the secondary lever 22, without it being necessary to modify the other parts of the lock 10.
  • the shape of the light 44 is described when the secondary lever 22 occupies its unlocking position, which is represented in particular on the figure 9 .
  • the lever arm of the point of articulation of the rod 34 on the secondary lever 22, ie the distance between the axial pin 42 and the secondary axis 24, is chosen so that the secondary lever 22 reaches its unlocking position before the primary lever 16 reaches its own unlocked position.
  • edge 54 of the light 44 on which the axial pin 42 bears is a cam which is shaped so that the radial distance R between the pin 42 and the secondary axis 24 increases. , in order to allow the primary lever 16 to continue its pivoting to its unlocking position, after the secondary lever 22 has reached its unlocking position.
  • the light 44 here has the shape of a "V" and it extends over an angular portion located above a horizontal axial plane, considering the figure 9 .
  • the V-shape of the lumen 44 is delimited mainly by the cam 54.
  • the angle of the V formed by the cam 54 is here acute, and the notch 56 formed by the intersection of the two branches of the V corresponds generally to the portion of the light 44 which is closest to the secondary axis 24.
  • the notch 56 is here shifted to the right and upwards with respect to the secondary axis 24.
  • the cam 54 has a left section 58 which extends from the notch 56 to the left, here describing an angle of about forty five degrees with respect to the horizontal direction H'H.
  • the cam 54 has a straight section 60 which extends from the notch 56 to the right, here describing an angle of about sixty degrees with respect to the horizontal direction H'H.
  • Straight section 60 extends here in a direction parallel to a radial direction of secondary axis 24.
  • the straight section 60 is here substantially shorter than the left section 58.
  • the upper edge 62 of the lumen 44 generally forms a boss that is convex downward.
  • the light 44 thus has three ends that correspond to three remarkable points of the cam 54, that is to say the left end 64 of the left section 58, the notch 56, and the right end 66 of the straight section 60.
  • the normal operation of the lock 10 according to the embodiment, in the absence of electrical failure, is generally the same as that of the lock 10 according to the first example.
  • the axial pin 42 is guided towards its second position P2 by the upper edge 62 of the light 44 and by the cam 54.
  • the axial pin 42 is guided by the left section 58 of the cam 54 towards the notch 56.
  • FIGS. 12 to 14 illustrate the different angular positions occupied by the secondary lever 22 as a function of the position of the link 34 and the axial pin 42 in the slot 44, during the global unlocking phase implemented following an electrical failure.
  • the radial distance R3 which separates it from the secondary axis 24 is less than the radial distance R1 which separates it from the secondary axis 24 when he occupies his first P1 or second P2 position in light 44.
  • the angular displacement of the secondary lever 22 according to the embodiment is greater than the angular displacement of the secondary lever 22 according to the first example.
  • the secondary lever 22 occupies practically its unlocking position, and it is considered that it has already caused disinhibition of the inner pallet 14.
  • the right section 60 of the cam 54 is inclined to the right with respect to the vertical direction V'V which passes through the secondary axis 24.
  • This inclination allows the axial pin 42 to slide along the straight section 60 of the cam 54, during a second step, or final step, moving to the right with the rod 34, and moving radially outwards, while still resting against the cam 54 for hold the secondary lever 22 in its unlocked position.
  • the rod 34 can continue its movement to the right, the pin 42 moving upwardly and to the right in the slot 44, until the primary lever 16 reaches its unlocking position.
  • the final position of the axial pin 42 then corresponds to the first position P1, in the vicinity of the right end 66 of the straight section 60, as represented on FIG. figure 14 .
  • the angle ⁇ formed by the straight section 60 of the cam 54 with the substantially horizontal direction H'H of displacement of the rod 34, as a function of the angular position of the secondary lever 22, is decisive for the drive of the secondary lever. 22 rotated by the rod 34.
  • the secondary lever 22 thus reaches the angular position which is represented on the figure 12 in which the angle ⁇ is substantially equal to ninety degrees.
  • the cam 54 is shaped so that, when the straight section 60 describes its angle ⁇ 'with the direction H'H of the displacement of the rod 34, that is to say at the end of the first step, the secondary lever 22 occupies overall its unlocking position, as shown on the figure 13 .
  • the lock 10 thus makes it possible to accelerate the angular pivoting of the secondary lever 22 with respect to the angular pivoting of the primary lever 16, during the first step, which guarantees the unlocking of the secondary lever 22 before the one of the primary lever 16. This "acceleration" is performed without changing the value of the angular stroke of the secondary lever 22 between its two stops.
  • the acceleration of the angular pivoting of the secondary lever 22 with respect to the angular pivoting of the primary lever 16 is obtained here by choosing the position of the hinge points 36, 42 of the link 34 on the primary and secondary levers 16 and 22. More precisely, insofar as the rod 34 moves here substantially longitudinally in the direction H'H, a radial distance R is chosen between the pin 42 and the secondary axis 24, which is shorter than the radial distance between the fixed point hinge 36 and the primary axis 18, so that the crank arm is shorter on the secondary lever 22, relative to the primary lever 16, which allows the secondary lever 22 to reach its unlocking position before the primary lever 16.
  • the lock 10 ensures that the primary lever 16 and the secondary lever 22 are in abutment against their respective angular stops when they occupy their respective positions of locking or unlocking.
  • boss 62 in the lumen 44 contributes to preventing axial withdrawal of the pin 42 from outside the lumen 44, in particular during the pivoting of the primary lever 16 towards its locking position, the pin 42 moving to the left since its first position P1 to its second position P2.

Landscapes

  • Lock And Its Accessories (AREA)

Description

L'invention concerne une serrure pour ouvrant de véhicule automobile.The invention relates to a lock for opening a motor vehicle.

L'invention concerne plus particulièrement une serrure pour ouvrant de véhicule automobile, du type comportant :

  • des moyens de commande extérieure de l'ouverture et des moyens de commande intérieure de l'ouverture,
  • un levier primaire qui est monté pivotant autour d'un axe primaire fixe, entre une position angulaire de déverrouillage et une position angulaire de verrouillage pour inhiber les moyens de commande extérieure,
  • un levier secondaire qui est monté pivotant autour d'un axe secondaire fixe, sensiblement parallèle à l'axe primaire, entre une position angulaire de déverrouillage et une position angulaire de verrouillage pour inhiber les moyens de commande intérieure,
  • un organe d'entraînement qui est lié au levier primaire pour provoquer directement le pivotement du levier primaire, depuis sa position de verrouillage vers sa position de déverrouillage, lors d'une phase de fonctionnement appelée phase de décondamnation extérieure.
  • un moyen de liaison est agencé entre le levier primaire et le levier secondaire de manière à lier en déplacement angulaire les deux leviers au cours d'une phase de décondamnation extérieure, en vue d'assurer un déverrouillage global de la serrure consistant à provoquer le pivotement des deux leviers depuis leurs positions respectives de verrouillage vers leurs positions respectives de déverrouillage.
    Ainsi, lorsque seul l'actionneur électrique du levier secondaire est défaillant, ou dans le cas d'une ouverture mécanique par barillet, le levier primaire compense cette défaillance en entraînant le levier secondaire.
    Un exemple de réalisation d'une telle serrure est décrit dans le document EP-A-0.775.791 . Ce document divulgue notamment une serrure telle que revendiquée dans le préambule de la revendication 1.
    L'invention concerne plus particulièrement une serrure pour portière latérale de véhicule automobile.
  • Une telle serrure comporte, outre une fonction neutre de déverrouillage, plusieurs fonctions de condamnation qui sont la condamnation extérieure qui permet d'empêcher l'ouverture de la serrure uniquement depuis l'extérieur du véhicule, la condamnation intérieure, dite "sécurité enfant", qui permet d'empêcher l'ouverture de la serrure uniquement depuis l'intérieur du véhicule, et la fonction dite "supercondamnation" qui permet d'empêcher l'ouverture de la serrure à la fois depuis l'intérieur et depuis l'extérieur.
The invention relates more particularly to a lock for a motor vehicle door, of the type comprising:
  • means for external control of the opening and means for controlling the interior of the opening,
  • a primary lever which is pivotally mounted about a fixed primary axis, between an unlocking angular position and an angular locking position for inhibiting the external control means,
  • a secondary lever which is pivotally mounted about a fixed secondary axis, substantially parallel to the primary axis, between an unlocking angular position and an angular locking position for inhibiting the internal control means,
  • a drive member which is connected to the primary lever to directly cause the pivoting of the primary lever, from its locking position to its unlocked position, during an operating phase called external unlocking phase.
  • a connecting means is arranged between the primary lever and the secondary lever so as to angularly link the two levers during an external unlocking phase, to ensure an overall unlocking of the lock consisting in causing the pivoting two levers from their respective locking positions to their respective unlocking positions.
    Thus, when only the electric actuator of the secondary lever is defective, or in the case of mechanical opening by barrel, the primary lever compensates for this failure by driving the secondary lever.
    An embodiment of such a lock is described in the document EP-A-0775791 . This document notably discloses a lock as claimed in the preamble of claim 1.
    The invention relates more particularly to a lock for a motor vehicle side door.
  • Such a lock comprises, in addition to a neutral unlocking function, several locking functions which are the external locking which makes it possible to prevent the opening of the lock only from outside the vehicle, the internal locking, known as "child safety", which makes it possible to prevent the opening of the lock only from inside the vehicle, and the so-called "superlocking" function which makes it possible to prevent the opening of the lock both from inside and from outside.

La fonction supercondamnation permet d'empêcher l'ouverture de la serrure par un malfaiteur, même lorsque la vitre de la portière est brisée.The deadlock function prevents the opening of the lock by a criminal, even when the window of the door is broken.

II est connu d'utiliser une serrure comportant ces différentes fonctions. Ces fonctions sont généralement mises en oeuvres aux moyens d'actionneurs électriques, qui entraînent le levier primaire, associé à la fonction de « condamnation », et le levier secondaire, associé à la fonction de « supercondamnation », ces actionneurs étant commandés par l'intermédiaire d'une télécommande.It is known to use a lock comprising these various functions. These functions are generally implemented by means of electric actuators, which drive the primary lever, associated with the "locking" function, and the secondary lever, associated with the function of "deadlocking", these actuators being controlled by the intermediate of a remote control.

Lorsque les moyens de commande de la serrure sont inhibés depuis l'intérieur et depuis l'extérieur, c'est à dire lorsque la serrure est « supercondamnée », une défaillance électrique rend impossible l'ouverture de la serrure.When the control means of the lock are inhibited from the inside and from the outside, that is to say when the lock is "supercondamnée", an electrical failure makes it impossible to open the lock.

L'empêchement de l'ouverture de la serrure depuis l'extérieur occasionne une gêne pour l'utilisateur, mais ne présente pas de danger pour lui.The prevention of the opening of the lock from outside causes inconvenience to the user, but does not present a danger for him.

Au contraire, l'empêchement de l'ouverture de la serrure depuis l'intérieur présente un risque important pour la sécurité de l'utilisateur, car l'utilisateur doit toujours pouvoir sortir de son véhicule, notamment en cas d'accident.On the contrary, the prevention of the opening of the lock from the inside presents a significant risk to the safety of the user, because the user must always be able to get out of his vehicle, especially in case of accident.

Lorsque les chaînes de condamnation et de décondamnation sont indépendantes, par exemple pour une serrure sans organe d'actionnement tel qu'une « tirette de frise », l'ouverture de la serrure est effectuée au moyen d'une clé qui coopère avec un barillet commandant mécaniquement un levier entraînant le levier primaire dans le sens de son déverrouillage.
Cependant, la chaîne cinématique du levier secondaire reste dans un état de verrouillage.When the locking and unlocking chains are independent, for example for a lock without actuating member such as a "furrow zipper", the opening of the lock is performed by means of a key which cooperates with a barrel mechanically controlling a lever driving the primary lever in the direction of unlocking.
However, the kinematic chain of the secondary lever remains in a lock state.

Dans cette situation, l'utilisateur peut entrer à l'intérieur du véhicule, puisque les moyens de commande extérieure de l'ouverture sont désinhibés, mais il ne peut sortir du véhicule, puisque les moyens de commande intérieure de l'ouverture sont encore inhibés.In this situation, the user can enter the interior of the vehicle, since the outer control means of the opening are uninhibited, but it can not leave the vehicle, since the inner control means of the opening are still inhibited .

La même situation se produit lorsque seul l'actionneur électrique du levier secondaire est défaillant, par exemple par rupture du fil d'alimentation ou défaut du boîtier électronique, et que l'actionneur électrique du levier primaire est opérationnel.The same situation occurs when only the electric actuator of the secondary lever fails, for example by breaking of the supply wire or fault of the control unit, and the electric actuator of the primary lever is operational.

C'est pourquoi il est nécessaire de prévoir des moyens de commande de secours permettant de provoquer le déverrouillage du levier secondaire à chaque fois que l'on commande le déverrouillage du levier primaire. Ces moyens de secours doivent être mis en oeuvre, d'une part, dans le cas où l'on commande mécaniquement le déverrouillage du levier primaire, notamment au moyen du barillet, et, d'autre part, dans le cas où l'on commande électriquement le déverrouillage du levier primaire au moyen de son actionneur électrique. Le but de la présente invention est d'assurer que, dans tous les cas, l'utilisateur puisse sortir de son véhicule.That is why it is necessary to provide emergency control means for causing the unlocking of the secondary lever each time that the unlocking of the primary lever is commanded. These emergency means must be implemented, on the one hand, in the case where the unlocking of the primary lever is mechanically controlled, in particular by means of the barrel, and, on the other hand, in the case where electrically controls the unlocking of the primary lever by means of its electric actuator. The object of the present invention is to ensure that, in all cases, the user can get out of his vehicle.

L'invention vise à proposer une solution simple, efficace, et économique, pour résoudre ce problème.The aim of the invention is to propose a simple, effective and economical solution for solving this problem.

Dans ce but, l'invention propose une serrure du type qui est décrit précédemment, caractérisée en ce qu'elle comporte des moyens d'accélération du pivotement angulaire du levier secondaire par rapport au pivotement angulaire du levier primaire, au cours d'une phase de déverrouillage global pour garantir le déverrouillage du levier secondaire avant celui du levier primaire.For this purpose, the invention proposes a lock of the type which is described above, characterized in that it comprises means for accelerating the angular pivoting of the secondary lever relative to the angular pivoting of the primary lever, during a phase global release to ensure unlocking of the secondary lever before that of the primary lever.

Avantageusement, le moyen de liaison est une biellette qui comporte un point d'articulation sur le levier primaire et un point d'articulation sur le levier secondaire.Advantageously, the connecting means is a link which comprises a point of articulation on the primary lever and a point of articulation on the secondary lever.

Selon la présente invention, au cours de la phase de déverrouillage global, le levier secondaire atteigne sa position de déverrouillage avant que le levier primaire atteigne sa position de déverrouillage.According to the present invention, during the global unlocking phase, the secondary lever reaches its unlocking position before the primary lever reaches its unlocking position.

L'utilisateur ne peut donc pas rester emprisonné dans son véhicule.The user can not remain trapped in his vehicle.

Selon une autre caractéristique avantageuse de l'invention :

  • la biellette est articulée en un point fixe du levier primaire,
  • la biellette est articulée sur le levier secondaire par l'intermédiaire d'un pion axial qui est porté par la biellette et qui coopère avec un bord d'une lumière réalisée dans le levier secondaire,
de manière que la biellette lie en déplacement angulaire les deux leviers, uniquement lors de la phase de déverrouillage global.According to another advantageous characteristic of the invention:
  • the link is articulated at a fixed point of the primary lever,
  • the rod is articulated on the secondary lever by means of an axial pin which is carried by the rod and which cooperates with an edge of a light made in the secondary lever,
so that the rod binds in angular displacement the two levers, only during the global unlocking phase.

Grâce à cette caractéristique, lorsque le levier secondaire occupe sa position de déverrouillage, le levier primaire est libre de pivoter entre sa position angulaire de déverrouillage et sa position angulaire de verrouillage, sans entraîner le levier secondaire.With this feature, when the secondary lever is in its unlocking position, the primary lever is free to rotate between its unlocking angular position and its locking angular position, without driving the secondary lever.

Par ailleurs, comme la liaison entre les deux leviers est rigide, dans le sens de leur déverrouillage, lorsque l'un des leviers vient en butée, cela provoque le blocage en pivotement de l'autre levier.Moreover, as the connection between the two levers is rigid, in the sense of unlocking, when one of the levers abuts, this causes the locking pivoting of the other lever.

Les tolérances de fabrication et les dispersions dans l'assemblage des différents éléments de la serrure ne permettent pas toujours de s'assurer, lorsque l'un des leviers est en butée, donc qu'il est déverrouillé, que l'autre levier soit lui aussi déverrouillé.The manufacturing tolerances and the dispersions in the assembly of the various elements of the lock do not always make it possible to ensure, when one of the levers is in abutment, so that it is unlocked, that the other lever is him. also unlocked.

Avantageusement, le bord de la lumière est une came qui est conformée de manière que, au cours phase de déverrouillage global, la distance radiale entre le pion et l'axe secondaire augmente, en vue de permettre au levier primaire de poursuivre son pivotement jusqu'à sa position de déverrouillage, après que le levier secondaire ait atteint sa position de déverrouillage.Advantageously, the edge of the light is a cam which is shaped so that, during global unlocking phase, the radial distance between the pin and the secondary axis increases, to allow the primary lever to continue its pivoting to its unlocked position, after the secondary lever has reached its unlocked position.

Selon d'autres caractéristiques préférées de l'invention:

  • la came comporte un tronçon final, relativement à la phase de déverrouillage global, qui décrit un angle déterminé par rapport à la direction de déplacement de la biellette, en fonction de la position angulaire du levier secondaire pendant la phase de déverrouillage global, et en ce que ledit angle est :
    • supérieur ou égal à quatre-vingt dix degrés, au début de la phase de déverrouillage global, lorsque le levier secondaire occupe sa position de verrouillage,
    • inférieur à quatre-vingt dix degrés, pendant l'étape finale de la phase de déverrouillage global, lorsque le levier secondaire occupe globalement sa position de déverrouillage et que le levier primaire n'occupe pas encore sa position de verrouillage, de manière que, pendant l'étape finale de la phase de déverrouillage global, le pion se déplace globalement radialement vers l'extérieur, par rapport à l'axe secondaire, en restant en appui circonférentiel contre le tronçon final de la came, dans le sens du déverrouillage du levier secondaire ;
  • le tronçon final de la came est sensiblement rectiligne et parallèle à une direction radiale de l'axe secondaire, de manière que, pendant l'étape finale de la phase de déverrouillage global, le pion se déplace suivant ladite direction radiale, par rapport à l'axe secondaire ;
  • la came forme globalement un V, et en ce que, lorsque les deux leviers occupent leurs positions respectives de verrouillage, le pion est en appui dans l'angle du V formé par la came ;
  • lorsque les deux leviers occupent leurs positions respectives de déverrouillage, le pion est reçu dans la lumière avec un jeu radial, du côté opposé à l'axe secondaire;
  • chaque levier comporte deux butées circonférentielles opposées qui déterminent globalement les positions angulaires de verrouillage et de déverrouillage associées ;
  • la serrure comporte des moyens prévus pour rendre le levier secondaire bistable.
According to other preferred features of the invention:
  • the cam comprises a final section, relative to the global unlocking phase, which describes an angle determined with respect to the direction of movement of the rod, as a function of the angular position of the secondary lever during the global unlocking phase, and in that that said angle is:
    • greater than or equal to ninety degrees, at the beginning of the global unlocking phase, when the secondary lever is in its locking position,
    • less than ninety degrees, during the final step of the global unlocking phase, when the secondary lever generally occupies its unlocking position and the primary lever does not yet occupy its locking position, so that during the final step of the global unlocking phase, the pin moves globally radially outwards, with respect to the secondary axis, while remaining in circumferential support against the final section of the cam, in the direction of unlocking the lever secondary;
  • the final section of the cam is substantially rectilinear and parallel to a radial direction of the secondary axis, so that, during the final step of the global unlocking phase, the pin moves in said radial direction, relative to the secondary axis;
  • the cam generally forms a V, and in that, when the two levers occupy their respective locking positions, the pin bears in the angle of the V formed by the cam;
  • when the two levers occupy their respective unlocking positions, the pin is received in the light with a radial clearance, on the opposite side to the secondary axis;
  • each lever comprises two opposite circumferential stops which generally determine the associated angular locking and unlocking positions;
  • the lock comprises means provided to make the secondary lever bistable.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit pour la compréhension de laquelle on se reportera aux figures annexées parmi lesquelles :

  • la figure 1 est un schéma qui représente une serrure réalisée conformément à un premier exemple qui fait partie de l'état de la technique.
  • la figure 2 est une vue de côté qui représente schématiquement les éléments principaux du dispositif de verrouillage de la serrure de la figure 1, lorsque le levier primaire et le levier secondaire sont déverrouillés ;
  • la figure 3 est une vue de côté qui représente schématiquement le levier secondaire et la biellette de la serrure de la figure 2 en position de déverrouillage, lorsque le levier primaire est en position de déverrouillage ;
  • la figure 4 est une vue similaire à celle de la figure 3 qui représente le levier secondaire en position de déverrouillage, lorsque le levier primaire est en position de verrouillage ;
  • la figure 5 est une vue similaire à celle de la figure 3 qui représente le levier secondaire en position de verrouillage ;
  • la figure 6 est une vue similaire à celle de la figure 3 qui représente le levier secondaire dans une première position intermédiaire pendant une phase de déverrouillage global ;
  • la figure 7 est une vue similaire à celle de la figure 3 qui représente le levier secondaire dans une deuxième position intermédiaire pendant la phase de déverrouillage global;
  • la figure 8 est une vue similaire à celle de la figure 3 qui représente le levier secondaire à la fin de la phase de déverrouillage global, dans sa position de déverrouillage ;
  • les figures 9 à 12 sont des vues similaires à celle de la figure 3 qui représentent un levier secondaire réalisé conformément à un mode de réalisation de l'invention lorsqu'il occupe différentes positions angulaires correspondant respectivement aux positions angulaires représentées sur les figures 3 à 8.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended figures among which:
  • the figure 1 is a diagram showing a lock made according to a first example which is part of the state of the art.
  • the figure 2 is a side view which schematically represents the main elements of the locking device of the lock of the figure 1 , when the primary lever and the secondary lever are unlocked;
  • the figure 3 is a side view which schematically represents the secondary lever and the link of the lock of the figure 2 in the unlocking position, when the primary lever is in the unlocking position;
  • the figure 4 is a view similar to that of the figure 3 which represents the secondary lever in the unlocking position, when the primary lever is in the locking position;
  • the figure 5 is a view similar to that of the figure 3 which represents the secondary lever in the locking position;
  • the figure 6 is a view similar to that of the figure 3 which represents the secondary lever in a first intermediate position during a global unlocking phase;
  • the figure 7 is a view similar to that of the figure 3 which represents the secondary lever in a second intermediate position during the global unlocking phase;
  • the figure 8 is a view similar to that of the figure 3 which represents the secondary lever at the end of the global unlocking phase, in its unlocking position;
  • the Figures 9 to 12 are views similar to that of the figure 3 which represent a secondary lever made according to an embodiment of the invention when it occupies different angular positions respectively corresponding to the angular positions represented on the Figures 3 to 8 .

Dans la description qui va suivre, des éléments similaires ou identiques porteront les mêmes références.In the following description, similar or identical elements will bear the same references.

On a représenté schématiquement sur la figure 1 une serrure 10 qui est par exemple destinée à être fixée sur une portière (non représentée) d'un véhicule automobile, selon un premier exemple. On notera que ce premier exemple n'est pas couvert par les revendications, mais fait partie de l'état de la technique utile à la compréhension de l'invention.Diagrammatically shown on the figure 1 a lock 10 which is for example intended to be fixed on a door (not shown) of a motor vehicle, according to a first example. Note that this first example is not covered by the claims, but is part of the state of the art useful for understanding the invention.

La serrure 10 comporte par exemple un châssis fixe (non représenté) sur lequel sont montés les principaux éléments constituant le mécanisme de verrouillage de la serrure 10.The lock 10 comprises for example a fixed frame (not shown) on which are mounted the main elements constituting the locking mechanism of the lock 10.

Les principaux éléments du mécanisme de verrouillage sont schématisés sur la figure 1.The main elements of the locking mechanism are schematized on the figure 1 .

La serrure 10 comporte des moyens de commande extérieure de l'ouverture, par exemple sous la forme d'une palette extérieure 12, qui sont agencés dans la paroi extérieure de la portière du véhicule.The lock 10 comprises external control means of the opening, for example in the form of an outer pallet 12, which are arranged in the outer wall of the vehicle door.

La serrure 10 comporte des moyens de commande intérieure de l'ouverture, par exemple sous la forme d'une palette intérieure 14, qui sont agencés dans la paroi intérieure de la portière du véhicule.The lock 10 comprises inner control means of the opening, for example in the form of an inner pallet 14, which are arranged in the inner wall of the vehicle door.

La serrure 10 comporte des moyens pour inhiber la palette extérieure 12, de manière à empêcher l'ouverture de la serrure 10 depuis l'extérieur du véhicule. Ces moyens mettent donc en oeuvre la fonction de condamnation extérieure du véhicule.The lock 10 comprises means for inhibiting the outer pallet 12, so as to prevent the opening of the lock 10 from outside the vehicle. These means therefore implement the outer condemnation function of the vehicle.

Les moyens de verrouillage de la palette extérieure sont représentés ici par un levier primaire 16.The locking means of the outer pallet are represented here by a primary lever 16.

Conformément au premier exemple représenté sur la figure 2, le levier primaire 16 est monté pivotant sur le châssis, autour d'un axe primaire fixe 18, entre une position angulaire de déverrouillage, représentée en trait continu, et une position angulaire de verrouillage, représentée en trait discontinu. Dans sa position de verrouillage, le levier primaire 16 inhibe la palette extérieure 12.In accordance with the first example shown on the figure 2 , the primary lever 16 is pivotally mounted on the frame, about a fixed primary axis 18, between an unlocking angular position, shown in solid lines, and a locking angular position, shown in broken lines. In its locking position, the primary lever 16 inhibits the outer pallet 12.

La position angulaire de déverrouillage et la position angulaire de verrouillage sont déterminées respectivement par des moyens de butée (non représentés).The unlocking angular position and the locking angular position are respectively determined by stop means (not shown).

Ces moyens de butée sont constitués, par exemple, par un plot de déverrouillage et par un plot de verrouillage qui coopèrent avec une surface d'appui complémentaire portée par le levier primaire 16.These abutment means are constituted, for example, by an unlocking stud and a locking stud which cooperate with a complementary bearing surface carried by the primary lever 16.

Le levier primaire 16 est susceptible d'être entraîné en rotation autour de son axe 18 par un actionneur électrique primaire associé 20.The primary lever 16 can be rotated about its axis 18 by an associated primary electric actuator 20.

La serrure 10 comporte des moyens pour inhiber la palette intérieure 14, de manière à empêcher l'ouverture de la serrure 10 depuis l'intérieur du véhicule. Ces moyens mettent donc en oeuvre la fonction de condamnation intérieure du véhicule.The lock 10 comprises means for inhibiting the inner pallet 14, so as to prevent the opening of the lock 10 from inside the vehicle. These means therefore implement the inner locking function of the vehicle.

La fonction de « supercondamnation », qu'on appellera ici « verrouillage global », est mise en oeuvre en inhibant à la fois la palette intérieure 14 et la palette extérieure 12.The function of "superlocking", which will be called here "global locking", is implemented by inhibiting both the inner paddle 14 and the outer paddle 12.

Les moyens de verrouillage de la palette intérieure sont représentés ici par un levier secondaire 22.The locking means of the inner pallet are represented here by a secondary lever 22.

Conformément au premier exemple représenté sur la figure 2, le levier secondaire 22 est monté pivotant sur le châssis, autour d'un axe secondaire fixe 24, qui est sensiblement parallèle à l'axe primaire 18, entre une position angulaire de déverrouillage, représentée notamment sur la figure 2, et une position angulaire de verrouillage, représentée notamment figure 5. Dans sa position de verrouillage, le levier secondaire 22 inhibe la palette intérieure 14.In accordance with the first example shown on the figure 2 , the secondary lever 22 is pivotally mounted on the frame, about a fixed secondary axis 24, which is substantially parallel to the primary axis 18, between an unlocking angular position, represented in particular on the figure 2 , and an angular locking position, represented in particular figure 5 . In its locking position, the secondary lever 22 inhibits the inner pallet 14.

La position angulaire de déverrouillage et la position angulaire de verrouillage sont déterminées respectivement par des moyens de butée (non représentés).The unlocking angular position and the locking angular position are respectively determined by stop means (not shown).

Ces moyens de butée sont constitués, par exemple, par un plot de déverrouillage et par un plot de verrouillage qui coopèrent avec une surface d'appui complémentaire portée par le levier secondaire 22.These abutment means are constituted, for example, by an unlocking stud and a locking stud which cooperate with a complementary bearing surface carried by the secondary lever 22.

Avantageusement, la serrure 10 comporte des moyens prévus pour rendre le levier secondaire 22 bistable, par exemple une languette élastique qui est réalisée venue de matière avec le levier secondaire 22, et qui est prévue pour coopérer avec un bossage porté par le châssis, en vue de provoquer le basculement du levier secondaire 22 vers ses positions angulaires de butée.Advantageously, the lock 10 comprises means provided to make the secondary lever 22 bistable, for example an elastic tongue which is formed integrally with the secondary lever 22, and which is designed to cooperate with a boss carried by the frame, in order to to cause the secondary lever 22 to tilt towards its angular abutment positions.

Le levier secondaire 22 est susceptible d'être entraîné en rotation autour de son axe 24 par un actionneur électrique secondaire 26 associé.The secondary lever 22 can be rotated about its axis 24 by a secondary electric actuator 26 associated.

Les actionneurs électriques 20, 26 sont commandés par exemple par l'intermédiaire d'une télécommande 28.The electric actuators 20, 26 are controlled for example by means of a remote control 28.

La serrure 10 comporte aussi un organe d'entraînement mécanique qui est lié au levier primaire 16 pour provoquer directement son pivotement. Cet organe d'entraînement est constitué ici par un levier de transfert 30 qui est commandé par un barillet 32.The lock 10 also comprises a mechanical drive member which is connected to the primary lever 16 to directly cause its pivoting. This drive member is constituted here by a transfer lever 30 which is controlled by a cylinder 32.

Le pivotement du barillet 32, qui est produit par exemple au moyen d'une clé (non représentée), actionne le levier de transfert 30 qui entraîne mécaniquement le levier primaire 16 autour de son axe primaire 18.The pivoting of the barrel 32, which is produced for example by means of a key (not shown), actuates the transfer lever 30 which mechanically drives the primary lever 16 around its primary axis 18.

La serrure 10 comporte une biellette 34 qui est agencée entre le levier primaire 16 et le levier secondaire 22.The lock 10 comprises a link 34 which is arranged between the primary lever 16 and the secondary lever 22.

La biellette 34 est articulée en un point fixe 36 du levier primaire 16, ici par sa première extrémité longitudinale, qui comporte un doigt 38 emboîté dans un logement 40 du levier primaire 16 et formant une articulation autour d'un axe parallèle à l'axe primaire 18.The rod 34 is articulated at a fixed point 36 of the primary lever 16, here by its first longitudinal end, which comprises a finger 38 fitted into a housing 40 of the primary lever 16 and forming a hinge about an axis parallel to the axis primary 18.

La biellette 34 comporte, à sa deuxième extrémité longitudinale, un pion axial 42 qui est reçu axialement dans une lumière 44 réalisée dans le levier secondaire 22.The link 34 comprises, at its second longitudinal end, an axial pin 42 which is axially received in a slot 44 made in the secondary lever 22.

Dans la suite de la description, on utilisera, à titre non limitatif, une orientation de gauche à droite, suivant une direction horizontale H'H sensiblement orthogonale aux axes 18, 24 des leviers 16, 22.In the following description, use will be made, without limitation, of a left-to-right orientation in a horizontal direction H'H substantially orthogonal to the axes 18, 24 of the levers 16, 22.

En vue de faciliter la compréhension du fonctionnement de la serrure 10, on considère ici que la rotation du levier primaire 16 provoque un déplacement sensiblement horizontal de la biellette 34, suivant la direction H'H.In order to facilitate the understanding of the operation of the lock 10, it is considered here that the rotation of the primary lever 16 causes a substantially horizontal displacement of the rod 34, in the direction H'H.

Pour les mouvements de rotation, on définit arbitrairement un sens horaire et un sens anti-horaire en considérant la figure 2.For rotational movements, one arbitrarily defines a clockwise and a counterclockwise direction by considering the figure 2 .

La lumière 44 s'étend globalement dans un plan transversal à l'axe secondaire 24, et elle a ici la forme d'un arc de cercle centré sur l'axe secondaire 24. La lumière 44 s'étend ici sur une portion angulaire située au-dessus d'un plan axial horizontal, en considérant la figure 2, lorsque le levier secondaire 22 occupe sa position de déverrouillage.The light 44 extends generally in a plane transverse to the secondary axis 24, and here it has the shape of an arc of a circle centered on the secondary axis 24. The light 44 here extends over an angular portion located above a horizontal axial plane, considering the figure 2 when the secondary lever 22 occupies its unlocking position.

La lumière 44 comporte un bord supérieur 46 et un bord inférieur 48 en arcs de cercle, ainsi qu'un bord d'extrémité circonférentielle gauche 50 et un bord d'extrémité circonférentielle droit 52 de formes arrondies, qu'on appellera respectivement bord gauche 50 et bord droit 52.The light 44 has an upper edge 46 and a lower edge 48 in circular arcs, as well as a left circumferential end edge 50 and a right circumferential end edge 52 of rounded shapes, which will be called respectively the left edge 50 and straight edge 52.

Le pion 42 est susceptible d'occuper deux positions extrêmes, dans la lumière 44, qui sont délimitées par les deux bords d'extrémité circonférentielle 50, 52 de la lumière 44.The pin 42 is capable of occupying two extreme positions, in the light 44, which are delimited by the two circumferential end edges 50, 52 of the light 44.

La biellette 34 permet de lier en déplacement angulaire les leviers primaire 16 et secondaire 22, lors d'une phase de fonctionnement qu'on appellera « phase de déverrouillage global », qui consiste à faire pivoter le levier primaire 16 et le levier secondaire 22 depuis leurs positions respectives de verrouillage vers leurs positions respectives de déverrouillage.The link 34 makes it possible to link in angular displacement the primary and secondary levers 16 and 16 during a phase of operation which will be called "global unlocking phase", which consists in pivoting the primary lever 16 and the secondary lever 22 from their respective locking positions to their respective unlocking positions.

Ainsi, on peut dire que le levier de transfert 30 est lié directement au levier primaire 16, et il est lié indirectement au levier secondaire 22, par l'intermédiaire de la biellette 34.Thus, it can be said that the transfer lever 30 is directly connected to the primary lever 16, and is indirectly connected to the secondary lever 22, via the rod 34.

Le fonctionnement normal de la serrure 10, c'est à dire en l'absence de défaillance, est le suivant.The normal operation of the lock 10, that is to say in the absence of failure, is as follows.

On choisit arbitrairement comme positions initiales, pour le levier primaire 16 et pour le levier secondaire 22, leurs positions de déverrouillage, telle qu'elles sont représentées sur les figures 2 et 3.The initial positions, for the primary lever 16 and for the secondary lever 22, are chosen arbitrarily their unlocking positions, as represented on the figures 2 and 3 .

Lorsque les leviers primaire 16 et secondaire 22 occupent leurs positions de déverrouillage, la biellette 34 est décalée au maximum vers la droite, de sorte que le pion axial 42 soit situé au voisinage du bord droit 52 de la lumière 44.When the primary and secondary levers 16 occupy their unlocking positions, the rod 34 is shifted to the maximum to the right, so that the axial pin 42 is located near the right edge 52 of the light 44.

L'utilisateur, qui souhaite condamner la palette extérieure 12, commande électriquement, par exemple au moyen de la télécommande 28, l'actionneur électrique primaire 20 pour provoquer le pivotement du levier primaire 16, depuis sa position de déverrouillage, vers sa position de verrouillage, ici dans le sens horaire.The user, who wishes to block the outer pallet 12, electrically controls, for example by means of the remote control 28, the primary electric actuator 20 to cause the pivoting of the primary lever 16, from its unlocked position, to its locking position , here in the clockwise direction.

Pendant le pivotement du levier primaire 16 vers sa position de verrouillage, la biellette 34 se déplace avec le levier primaire 16 vers la gauche, de sorte que le pion axial 42 se déplace aussi vers la gauche, guidé par la lumière 44 du levier secondaire 22 qui reste fixe.During the pivoting of the primary lever 16 towards its locking position, the rod 34 moves with the primary lever 16 to the left, so that the axial pin 42 also moves to the left, guided by the light 44 of the secondary lever 22 which remains fixed.

Le pion axial 42 tend à se placer dans la partie de la lumière 44 à l'extrême gauche, puisque l'articulation 36 de la biellette 34 se déplace globalement vers la gauche.The axial pin 42 tends to be placed in the portion of the light 44 at the far left, since the hinge 36 of the rod 34 moves globally to the left.

Le pion axial 42 vient alors occuper une position extrême à gauche, au voisinage du bord gauche 50 de la lumière 44, telle que représentée sur la figure 4.The axial pin 42 then comes to occupy an extreme position on the left, in the vicinity of the left edge 50 of the light 44, as represented on FIG. figure 4 .

Le levier primaire 16 est alors en appui contre sa butée de verrouillage et la palette extérieure 12 est inhibée.The primary lever 16 is then pressed against its locking abutment and the outer pallet 12 is inhibited.

En situation de condamnation extérieure, l'utilisateur peut commander le verrouillage global en commandant l'actionneur secondaire 26 de manière qu'il provoque le pivotement du levier secondaire 22, ici dans le sens anti-horaire, jusqu'à sa position de verrouillage.In external locking situation, the user can control the global locking by controlling the secondary actuator 26 so that it causes the pivoting of the secondary lever 22, here in the counterclockwise direction, to its locking position.

Ce pivotement du levier secondaire 22 crée un mouvement relatif de la lumière 44 par rapport au pion axial 42, de sorte que le pion axial 42 occupe une position extrême à droite dans la lumière 44, au voisinage du bord droit 52, telle que représentée sur la figure 5.This pivoting of the secondary lever 22 creates a relative movement of the light 44 relative to the axial pin 42, so that the axial pin 42 occupies an extreme right position in the light 44, in the vicinity of the right edge 52, as shown on the figure 5 .

On constate que, dans la position de verrouillage du levier secondaire 22, le levier primaire 16 ne peut pas pivoter jusqu'à sa position de déverrouillage, puisque le pion axial 42 est sensiblement en appui contre le bord droit 52 de la lumière 44, ce qui empêche le déplacement de la biellette 34 vers la droite.It can be seen that, in the locking position of the secondary lever 22, the primary lever 16 can not pivot to its unlocking position, since the axial pin 42 is substantially in abutment against the straight edge 52 of the light 44; which prevents the movement of the rod 34 to the right.

Par conséquent, pour pouvoir décondamner la palette extérieure 12 en déverrouillant le levier primaire 16, il est nécessaire de décondamner, au préalable ou simultanément, la palette intérieure 14 en déverrouillant le levier secondaire 22.Therefore, in order to be able to unlock the outer pallet 12 by unlocking the primary lever 16, it is necessary to unlock, before or simultaneously, the inner pallet 14 by unlocking the secondary lever 22.

Dans ce but, lorsque l'utilisateur commande le déverrouillage global de la serrure 10, l'actionneur secondaire 26 est commandé, de manière qu'il provoque le pivotement du levier secondaire 22 dans le sens horaire, pour le déverrouiller, et l'actionneur primaire 20 est commandé, simultanément ou après l'actionneur secondaire 26, de manière qu'il provoque le pivotement du levier primaire 16 dans le sens anti-horaire, pour le déverrouiller.For this purpose, when the user controls the global unlocking of the lock 10, the secondary actuator 26 is controlled, so that it causes the pivoting of the secondary lever 22 in the clockwise direction, to unlock it, and the actuator primary 20 is controlled, simultaneously or after the secondary actuator 26, so that it causes the pivoting of the primary lever 16 in the counterclockwise direction, to unlock it.

Pour la sécurité des utilisateurs du véhicule, il importe de prévoir le cas d'une défaillance des moyens électriques de commande des leviers primaire 16 et secondaire 22, en situation de verrouillage global.For the safety of the users of the vehicle, it is important to provide the case of a failure of the electrical control means of the primary levers 16 and secondary 22, in a situation of global locking.

Dans cette situation, l'utilisateur agit sur le barillet 32 au moyen d'une clé, de manière à provoquer le pivotement du levier de transfert 30.In this situation, the user acts on the barrel 32 by means of a key, so as to cause the pivoting of the transfer lever 30.

En pivotant, le levier de transfert 30 entraîne directement le levier primaire 16 en rotation, dans le sens anti-horaire, depuis sa position de verrouillage vers sa position de déverrouillage.By pivoting, the transfer lever 30 directly drives the primary lever 16 in rotation, in the counterclockwise direction, from its locking position to its unlocked position.

Parallèlement au pivotement du levier primaire 16, le levier de transfert 30 entraîne indirectement le pivotement du levier secondaire 22, par l'intermédiaire de la biellette 34, dans le sens horaire, depuis sa position de verrouillage vers sa position de déverrouillage. En effet, au cours du pivotement du levier primaire 16, la biellette 34 se déplace vers la droite et elle vient appuyer sur le bord droit 52 de la lumière 44, ce qui entraîne le levier secondaire 22 en rotation autour de son axe secondaire 24.Parallel to the pivoting of the primary lever 16, the transfer lever 30 indirectly drives the pivoting of the secondary lever 22, via the rod 34, in the clockwise direction, from its locking position to its unlocking position. Indeed, during the pivoting of the primary lever 16, the link 34 moves to the right and it presses on the right edge 52 of the light 44, which causes the secondary lever 22 to rotate about its secondary axis 24.

Lorsque seuls les moyens de commande du levier secondaire 22 subissent une défaillance électrique, alors, au cours de la phase de déverrouillage global, l'actionneur primaire 20 entraîne directement le levier primaire 16 et indirectement le levier secondaire 22, par l'intermédiaire de la biellette 34, selon un fonctionnement similaire à celui décrit précédemment.When only the control means of the secondary lever 22 undergo an electrical failure, then, during the global unlocking phase, the primary actuator 20 directly drives the primary lever 16 and indirectly the secondary lever 22, via the link 34, according to a similar operation to that described above.

Des problèmes peuvent apparaître avec la serrure 10 selon le premier exemple.Problems may occur with the lock 10 according to the first example.

Un premier problème est la position occupée par les leviers primaire 16 et secondaire 22 par rapport à leurs butées angulaires respectives, en fonction des différentes situations de fonctionnement.A first problem is the position occupied by the primary levers 16 and secondary 22 relative to their respective angular stops, depending on the different operating situations.

Pour le bon fonctionnement de la serrure 10, il est nécessaire que chacun des leviers primaire 16 et secondaire 22 possède ses propres butées angulaires.For the proper functioning of the lock 10, it is necessary that each of the primary and secondary levers 16 and 16 has its own angular stops.

Au cours du déverrouillage global, le pivotement du levier primaire 16 est lié au pivotement du levier secondaire 22, par l'intermédiaire de la biellette 34. Par conséquent, lorsque l'un des deux leviers 16, 22 parvient en butée de déverrouillage, par exemple le levier primaire 16, alors le levier secondaire 22 n'est plus entraîné en rotation.During the global unlocking, the pivoting of the primary lever 16 is linked to the pivoting of the secondary lever 22, via the link 34. Therefore, when one of the two levers 16, 22 reaches the unlocking stop, by For example, the primary lever 16, while the secondary lever 22 is no longer rotated.

II importe que le levier secondaire 22 occupe sa position de déverrouillage lorsqu'il n'est plus entraîné. Mais, compte tenu notamment des tolérances de fabrication et d'assemblage de la serrure 10, il n'est pas garanti que le levier secondaire 22 ait atteint sa position de déverrouillage lorsqu'il n'est plus entraîné.It is important that the secondary lever 22 occupies its unlocking position when it is no longer driven. But, especially given the manufacturing tolerances and assembly of the lock 10, it is not guaranteed that the secondary lever 22 has reached its unlocked position when no longer driven.

La conséquence de ce disfonctionnement est que la palette extérieure 12 peut être désinhibée alors que la palette intérieure 14 est encore inhibée. Un utilisateur peut donc pénétrer dans le véhicule en ouvrant la portière depuis l'extérieur, mais il ne peut pas en ressortir.The consequence of this malfunction is that the outer pallet 12 can be uninhibited while the inner pallet 14 is still inhibited. A user can enter the vehicle by opening the door from the outside, but it can not come out.

II faut donc garantir que les deux leviers 16, 22 puissent pivoter jusqu'à leurs butées angulaires, et il faut s'assurer que le levier secondaire 22 soit déverrouillé avant le levier primaire 16, de sorte que la palette intérieure 14 soit désinhibée avant la palette extérieure 12.It must therefore be ensured that the two levers 16, 22 can pivot to their angular stops, and it must be ensured that the secondary lever 22 is unlocked before the primary lever 16, so that the inner pallet 14 is uninhibited before the outer pallet 12.

De plus, si l'un des leviers 16, 22 occupe une position intermédiaire entre ses positions de butée angulaire, il peut gêner le mouvement de certaines pièces du mécanismes de la serrure 10, notamment les pièces qui sont mises en mouvement lors d'une phase de fonctionnement dite « over-ride », qui vise à provoquer le déverrouillage du levier primaire 16, en situation de condamnation extérieure, lorsqu'un utilisateur manipule la palette intérieure 14.In addition, if one of the levers 16, 22 occupies an intermediate position between its angular abutment positions, it can hinder the movement of certain parts of the lock mechanism 10, especially the parts that are set in motion during a so-called "over-ride" operating phase, which aims to cause the unlocking of the primary lever 16, in external locking situation, when a user manipulates the inner pallet 14.

La serrure 10 qui est réalisée conformément au mode de réalisation de l'invention résout ces problèmes.The lock 10 which is made in accordance with the embodiment of the invention solves these problems.

La serrure 10 selon le mode de réalisation de l'invention résout ces problèmes simplement par la modification de la lumière 44 réalisée dans le levier secondaire 22, sans qu'il ne soit nécessaire de modifier les autres pièces de la serrure 10.The lock 10 according to the embodiment of the invention solves these problems simply by modifying the light 44 made in the secondary lever 22, without it being necessary to modify the other parts of the lock 10.

Par conséquent, on a représenté, sur les figures 9 à 14, uniquement le levier secondaire 22 selon le mode de réalisation de l'invention, dans différentes positions angulaires en regard des figures 3 à 8 représentant le levier secondaire 22 selon le premier exemple dans les positions angulaires correspondantes.Therefore, it has been shown, on Figures 9 to 14 , only the secondary lever 22 according to the embodiment of the invention, in different angular positions next to Figures 3 to 8 representing the secondary lever 22 according to the first example in the corresponding angular positions.

On décrit maintenant le mode de réalisation de l'invention, en insistant sur les différences de structure et de fonctionnement, par rapport à la serrure 10 selon le premier exemple.The embodiment of the invention is now described, emphasizing the differences in structure and operation, with respect to the lock 10 according to the first example.

On décrit la forme de la lumière 44 lorsque le levier secondaire 22 occupe sa position de déverrouillage, qui est représentée notamment sur la figure 9.The shape of the light 44 is described when the secondary lever 22 occupies its unlocking position, which is represented in particular on the figure 9 .

Conformément aux enseignements de l'invention, le bras de levier du point d'articulation de la biellette 34 sur le levier secondaire 22, c'est à dire la distance entre le pion axial 42 et l'axe secondaire 24, est choisi de manière que le levier secondaire 22 atteigne sa position de déverrouillage avant que le levier primaire 16 atteigne sa propre position de déverrouillage.According to the teachings of the invention, the lever arm of the point of articulation of the rod 34 on the secondary lever 22, ie the distance between the axial pin 42 and the secondary axis 24, is chosen so that the secondary lever 22 reaches its unlocking position before the primary lever 16 reaches its own unlocked position.

De plus, le bord 54 de la lumière 44 sur lequel le pion axial 42 prend appui, lors de la phase déverrouillage global, est une came qui est conformée de manière que la distance radiale R entre le pion 42 et l'axe secondaire 24 augmente, en vue de permettre au levier primaire 16 de poursuivre son pivotement jusqu'à sa position de déverrouillage, après que le levier secondaire 22 ait atteint sa position de déverrouillage.In addition, the edge 54 of the light 44 on which the axial pin 42 bears, during the global unlocking phase, is a cam which is shaped so that the radial distance R between the pin 42 and the secondary axis 24 increases. , in order to allow the primary lever 16 to continue its pivoting to its unlocking position, after the secondary lever 22 has reached its unlocking position.

La lumière 44 a ici la forme d'un « V » et elle s'étend sur une portion angulaire située au-dessus d'un plan axial horizontal, en considérant la figure 9.The light 44 here has the shape of a "V" and it extends over an angular portion located above a horizontal axial plane, considering the figure 9 .

La forme en V de la lumière 44 est délimitée principalement par la came 54.The V-shape of the lumen 44 is delimited mainly by the cam 54.

L'angle du V formé par la came 54 est ici aigu, et l'encoche 56 formée par l'intersection des deux branches du V correspond globalement à la portion de la lumière 44 qui est la plus proche de l'axe secondaire 24.The angle of the V formed by the cam 54 is here acute, and the notch 56 formed by the intersection of the two branches of the V corresponds generally to the portion of the light 44 which is closest to the secondary axis 24.

L'encoche 56 est ici décalée vers la droite et vers le haut par rapport à l'axe secondaire 24.The notch 56 is here shifted to the right and upwards with respect to the secondary axis 24.

La came 54 comporte un tronçon gauche 58 qui s'étend depuis l'encoche 56 vers la gauche, en décrivant ici un angle d'environ quarante cinq degrés par rapport à la direction horizontale H'H.The cam 54 has a left section 58 which extends from the notch 56 to the left, here describing an angle of about forty five degrees with respect to the horizontal direction H'H.

La came 54 comporte un tronçon droit 60 qui s'étend depuis l'encoche 56 vers la droite, en décrivant ici un angle d'environ soixante degrés par rapport à la direction horizontale H'H.The cam 54 has a straight section 60 which extends from the notch 56 to the right, here describing an angle of about sixty degrees with respect to the horizontal direction H'H.

Le tronçon droit 60 s'étend ici suivant une direction parallèle à une direction radiale de l'axe secondaire 24.Straight section 60 extends here in a direction parallel to a radial direction of secondary axis 24.

Le tronçon droit 60 est ici sensiblement plus court que le tronçon gauche 58.The straight section 60 is here substantially shorter than the left section 58.

Le bord supérieur 62 de la lumière 44 forme globalement un bossage qui est convexe vers le bas.The upper edge 62 of the lumen 44 generally forms a boss that is convex downward.

La lumière 44 comporte ainsi trois extrémités qui correspondent à trois points remarquables de la came 54, c'est à dire l'extrémité gauche 64 du tronçon gauche 58, l'encoche 56, et l'extrémité droite 66 du tronçon droit 60.The light 44 thus has three ends that correspond to three remarkable points of the cam 54, that is to say the left end 64 of the left section 58, the notch 56, and the right end 66 of the straight section 60.

Le fonctionnement normal de la serrure 10 selon le mode de réalisation, en l'absence de défaillance électrique, est globalement le même que celui de la serrure 10 selon le premier exemple.The normal operation of the lock 10 according to the embodiment, in the absence of electrical failure, is generally the same as that of the lock 10 according to the first example.

Lorsque le levier primaire 16 et le levier secondaire 22 occupent leurs positions respectives de déverrouillage, comme on l'a représentée sur la figure 9, le pion axial 42 occupe, dans la lumière 44, une première position P1 au voisinage de l'extrémité droite 66 du tronçon droit 60.When the primary lever 16 and the secondary lever 22 occupy their respective unlocking positions, as shown in FIG. figure 9 , the axial pin 42 occupies, in the light 44, a first position P1 in the vicinity of the right end 66 of the straight section 60.

Lorsque l'on fait pivoter le levier primaire 16 vers sa position de verrouillage, la biellette 34 se déplace globalement vers la gauche, de sorte que le pion axial 42 vient occuper une deuxième position P2 au voisinage de l'extrémité gauche 64 du tronçon gauche 58, telle que représentée sur la figure 10.When the primary lever 16 is pivoted towards its locking position, the rod 34 moves globally to the left, so that the axial pin 42 comes to occupy a second position P2 in the vicinity of the left end 64 of the left section. 58, as shown on the figure 10 .

En se déplaçant vers la gauche, le pion axial 42 est guidé vers sa deuxième position P2 par le bord supérieur 62 de la lumière 44 et par la came 54.By moving to the left, the axial pin 42 is guided towards its second position P2 by the upper edge 62 of the light 44 and by the cam 54.

Lorsque l'on fait pivoter le levier secondaire 22 vers sa position de verrouillage, dans le sens anti-horaire, la lumière 44 pivote par rapport au pion axial 42, de sorte que celui-ci vient occuper une troisième position P3 en appui dans l'encoche 56, telle que représentée sur la figure 11.When the secondary lever 22 is pivoted towards its locking position, in the anti-clockwise direction, the light 44 pivots with respect to the axial pin 42, so that it occupies a third position P3 resting in the notch 56, as shown in the figure 11 .

Au cours du pivotement de la lumière 44 autour de l'axe secondaire 24, le pion axial 42 est guidé par le tronçon gauche 58 de la came 54 vers l'encoche 56.During the pivoting of the light 44 around the secondary axis 24, the axial pin 42 is guided by the left section 58 of the cam 54 towards the notch 56.

Les figures 12 à 14 illustrent les différentes positions angulaires occupées par le levier secondaire 22 en fonction de la position de la biellette 34 et du pion axial 42 dans la lumière 44, pendant la phase de déverrouillage global mise en oeuvre suite à une défaillance électrique.The Figures 12 to 14 illustrate the different angular positions occupied by the secondary lever 22 as a function of the position of the link 34 and the axial pin 42 in the slot 44, during the global unlocking phase implemented following an electrical failure.

Pendant une première étape de fonctionnement, qui est délimitée par les positions angulaires représentées sur les figures 11 et 12, la biellette 34 se déplace vers la droite, puisque l'on commande le pivotement du levier primaire 16 vers sa position de déverrouillage, par exemple au moyen du barillet 32.During a first operating step, which is delimited by the angular positions represented on the figures 11 and 12 , the link 34 moves to the right, since it controls the pivoting of the primary lever 16 to its unlocked position, for example by means of the barrel 32.

Pendant cette première étape, le déplacement de la biellette 34 et du pion axial 42 associé, qui est en appui dans l'encoche 56, provoque le pivotement du levier secondaire 22 dans le sens horaire, jusqu'à ce que le tronçon droit 60 de la came 54 soit sensiblement vertical, tel que représenté sur la figure 12.During this first step, the movement of the rod 34 and the associated axial pin 42, which bears in the notch 56, causes the pivoting of the secondary lever 22 in a clockwise direction, until the straight section 60 of the cam 54 is substantially vertical, as shown in the figure 12 .

On note que, lorsque le pion axial 42 occupe sa troisième position P3, dans l'encoche 56, la distance radiale R3 qui le sépare de l'axe secondaire 24 est inférieure à la distance radiale R1 qui le sépare de l'axe secondaire 24 lorsqu'il occupe sa première P1 ou sa deuxième P2 position dans la lumière 44.Note that, when the axial pin 42 occupies its third position P3, in the notch 56, the radial distance R3 which separates it from the secondary axis 24 is less than the radial distance R1 which separates it from the secondary axis 24 when he occupies his first P1 or second P2 position in light 44.

En comparant les figures 5 et 6, qui représentent le levier secondaire 22 selon le premier exemple avec les figures 11 et 12, qui représentent le levier secondaire 22 selon le mode de réalisation, aux mêmes stades du mouvement de la biellette 34, on constate que la distance radiale R3 qui sépare le pion axial 42 de l'axe secondaire 24 est plus courte pour le levier secondaire 22 selon le mode de réalisation, de sorte que le rayon de manivelle est plus petit, ce qui entraîne une vitesse de rotation plus importante du levier secondaire 22, pour un déplacement identique de la biellette 34.Comparing the figures 5 and 6 , which represent the secondary lever 22 according to the first example with the figures 11 and 12 , which represent the secondary lever 22 according to the embodiment, at the same stages of the movement of the rod 34, it is found that the radial distance R3 between the axial pin 42 of the secondary axis 24 is shorter for the secondary lever 22 according to the embodiment, so that the crank radius is smaller, resulting in a greater speed of rotation of the secondary lever 22, for an identical displacement of the link 34.

Du fait de la faible distance radiale R3 entre le pion axial 42 et l'axe secondaire 24 dans le mode de réalisation, pour un même déplacement de la biellette 34 vers la droite, c'est à dire pour un même déplacement angulaire du levier primaire 16, le déplacement angulaire du levier secondaire 22 selon le mode de réalisation est plus important que le déplacement angulaire du levier secondaire 22 selon le premier exemple.Due to the small radial distance R3 between the axial pin 42 and the secondary axis 24 in the embodiment, for the same movement of the rod 34 to the right, ie for the same angular displacement of the primary lever 16, the angular displacement of the secondary lever 22 according to the embodiment is greater than the angular displacement of the secondary lever 22 according to the first example.

On constate en effet sur les figures 6 et 12, que la biellette 34 a parcouru sensiblement la même distance vers la droite dans les deux cas, mais l'angle de pivotement α du levier secondaire 22 selon le mode de réalisation (figure 12), par rapport à sa position de verrouillage, est supérieur à l'angle de pivotement α' correspondant du levier secondaire 22 selon le premier exemple (figure 6).Indeed, we can see Figures 6 and 12 , that the rod 34 has traveled substantially the same distance to the right in both cases, but the pivot angle α of the secondary lever 22 according to the embodiment ( figure 12 ), relative to its locking position, is greater than the corresponding pivot angle α 'of the secondary lever 22 according to the first example ( figure 6 ).

A la figure 13, le levier secondaire 22 occupe pratiquement sa position de déverrouillage, et l'on considère qu'il a déjà provoqué la désinhibition de la palette intérieure 14.To the figure 13 , the secondary lever 22 occupies practically its unlocking position, and it is considered that it has already caused disinhibition of the inner pallet 14.

Dans cette position, le tronçon droit 60 de la came 54 est incliné vers la droite par rapport à la direction verticale V'V qui passe par l'axe secondaire 24. Cette inclinaison permet au pion axial 42 de coulisser le long du tronçon droit 60 de la came 54, au cours d'une deuxième étape, ou étape finale, en se déplaçant vers la droite avec la biellette 34, et en se déplaçant radialement vers l'extérieur, tout en restant en appui contre la came 54 pour maintenir le levier secondaire 22 dans sa position de déverrouillage.In this position, the right section 60 of the cam 54 is inclined to the right with respect to the vertical direction V'V which passes through the secondary axis 24. This inclination allows the axial pin 42 to slide along the straight section 60 of the cam 54, during a second step, or final step, moving to the right with the rod 34, and moving radially outwards, while still resting against the cam 54 for hold the secondary lever 22 in its unlocked position.

Ainsi, la biellette 34 peut poursuivre son déplacement vers la droite, le pion 42 se déplaçant vers le haut et vers la droite dans la lumière 44, jusqu'à ce que le levier primaire 16 atteigne sa position de déverrouillage. La position finale du pion axial 42 correspond alors à la première position P1, au voisinage de l'extrémité droite 66 du tronçon droit 60, telle que représentée sur la figure 14.Thus, the rod 34 can continue its movement to the right, the pin 42 moving upwardly and to the right in the slot 44, until the primary lever 16 reaches its unlocking position. The final position of the axial pin 42 then corresponds to the first position P1, in the vicinity of the right end 66 of the straight section 60, as represented on FIG. figure 14 .

L'angle β formé par le tronçon droit 60 de la came 54 avec la direction sensiblement horizontale H'H de déplacement de la biellette 34, en fonction de la position angulaire du levier secondaire 22, est déterminant pour assurer l'entraînement du levier secondaire 22 en rotation par la biellette 34.The angle β formed by the straight section 60 of the cam 54 with the substantially horizontal direction H'H of displacement of the rod 34, as a function of the angular position of the secondary lever 22, is decisive for the drive of the secondary lever. 22 rotated by the rod 34.

En effet, tant que l'angle β est supérieur à quatre-vingt dix degrés, le pion axial 42 est retenu radialement dans l'encoche 56, et tout déplacement de la biellette 34 vers la droite est transformé en un déplacement angulaire du levier secondaire 22 dans le sens horaire.Indeed, as the angle β is greater than ninety degrees, the axial pin 42 is retained radially in the notch 56, and any displacement of the rod 34 to the right is converted into an angular displacement of the secondary lever 22 clockwise.

Le levier secondaire 22 parvient donc jusqu'à la position angulaire qui est représentée sur la figure 12, dans laquelle l'angle β est sensiblement égal à quatre-vingt dix degrés.The secondary lever 22 thus reaches the angular position which is represented on the figure 12 in which the angle β is substantially equal to ninety degrees.

A partir de cette position angulaire, le pion axial 42 n'est plus retenu radialement dans l'encoche 56, de sorte qu'il est susceptible de se déplacer radialement vers l'extérieur.From this angular position, the axial pin 42 is no longer retained radially in the notch 56, so that it is likely to move radially outwardly.

Compte tenu des forces de frottement du pion axial 42 contre la came 54, qui tendent à retenir le pion 42 dans sa position initiale, dans l'encoche 56, le déplacement radial du pion 42 vers l'extérieur n'intervient qu'à partir d'un angle β' déterminé, qui est inférieur à quatre-vingt dix degrés. Pour un tel angle β', la pente du tronçon droit 60 de la came 54 est inclinée vers la droite et vers le haut, comme représenté sur la figure 13.Given the frictional forces of the axial pin 42 against the cam 54, which tend to retain the pin 42 in its initial position, in the notch 56, the radial displacement of the pin 42 to the outside intervenes only from of a determined angle β ', which is less than ninety degrees. For such an angle β ', the slope of the straight section 60 of the cam 54 is inclined to the right and upwards, as shown in FIG. figure 13 .

La came 54 est conformée de manière que, lorsque le tronçon droit 60 décrit son angle β' avec la direction H'H du déplacement de la biellette 34, c'est à dire à la fin de la première étape, le levier secondaire 22 occupe globalement sa position de déverrouillage, comme on l'a représenté sur la figure 13.The cam 54 is shaped so that, when the straight section 60 describes its angle β 'with the direction H'H of the displacement of the rod 34, that is to say at the end of the first step, the secondary lever 22 occupies overall its unlocking position, as shown on the figure 13 .

On constate donc que, au cours du pivotement du levier secondaire 22 vers sa position de déverrouillage, la distance radiale entre le pion axial 42 et l'axe secondaire 24 augmente. Le déplacement radial correspondant du pion axial 42 est possible grâce à la pente du tronçon droit 60 de la came 54, qui est incliné vers le haut et vers la droite, c'est à dire globalement dans la direction du déplacement de la biellette 34.It is therefore found that, during the pivoting of the secondary lever 22 towards its unlocking position, the radial distance between the axial pin 42 and the secondary axis 24 increases. The corresponding radial displacement of the axial pin 42 is possible thanks to the slope of the straight section 60 of the cam 54, which is inclined upwardly and to the right, that is to say generally in the direction of displacement of the rod 34.

La serrure 10 selon le mode de réalisation de l'invention permet donc d'accélérer le pivotement angulaire du levier secondaire 22 par rapport au pivotement angulaire du levier primaire 16, pendant la première étape, ce qui garantit le déverrouillage du levier secondaire 22 avant celui du levier primaire 16. Cette «accélération» est réalisée sans modifier la valeur de la course angulaire du levier secondaire 22 entre ses deux butées.The lock 10 according to the embodiment of the invention thus makes it possible to accelerate the angular pivoting of the secondary lever 22 with respect to the angular pivoting of the primary lever 16, during the first step, which guarantees the unlocking of the secondary lever 22 before the one of the primary lever 16. This "acceleration" is performed without changing the value of the angular stroke of the secondary lever 22 between its two stops.

Avantageusement, l'accélération du pivotement angulaire du levier secondaire 22 par rapport au pivotement angulaire du levier primaire 16 est obtenue ici en choisissant la position des points d'articulation 36, 42 de la biellette 34 sur les leviers primaire 16 et secondaire 22. Plus précisément, dans la mesure où la biellette 34 se déplace ici sensiblement longitudinalement suivant la direction H'H, on choisit une distance radiale R entre le pion 42 et l'axe secondaire 24, qui est plus courte que la distance radiale entre le point fixe d'articulation 36 et l'axe primaire 18, de manière que le bras de manivelle soit plus court sur le levier secondaire 22, par rapport au levier primaire 16, ce qui permet au levier secondaire 22 d'atteindre sa position de déverrouillage avant le levier primaire 16.Advantageously, the acceleration of the angular pivoting of the secondary lever 22 with respect to the angular pivoting of the primary lever 16 is obtained here by choosing the position of the hinge points 36, 42 of the link 34 on the primary and secondary levers 16 and 22. More precisely, insofar as the rod 34 moves here substantially longitudinally in the direction H'H, a radial distance R is chosen between the pin 42 and the secondary axis 24, which is shorter than the radial distance between the fixed point hinge 36 and the primary axis 18, so that the crank arm is shorter on the secondary lever 22, relative to the primary lever 16, which allows the secondary lever 22 to reach its unlocking position before the primary lever 16.

Lorsque le levier secondaire 22 vient en appui contre sa butée de déverrouillage, il ne doit pas empêcher le levier primaire 16 de poursuivre son pivotement jusqu'à sa propre butée de déverrouillage. C'est pourquoi il est prévu un jeu radial entre l'extrémité droite 66 du tronçon droit 60 de la came 54 et le pion axial 42, lorsque le levier primaire 16 occupe sa position de déverrouillage.When the secondary lever 22 bears against its unlocking stop, it must not prevent the primary lever 16 from continuing to pivot to its own unlocking stop. This is why a radial clearance is provided between the right end 66 of the straight section 60 of the cam 54 and the axial pin 42, when the primary lever 16 occupies its unlocking position.

De même, il est prévu un jeu entre l'extrémité 64 du tronçon gauche 58 de la came 54 et le pion axial 42, lorsque le levier primaire 16 occupe sa position de verrouillage, le levier secondaire 22 occupant sa position de déverrouillage (figure 10).Similarly, a clearance is provided between the end 64 of the left section 58 of the cam 54 and the axial pin 42, when the primary lever 16 is in its locking position, the secondary lever 22 occupying its unlocking position ( figure 10 ).

La serrure 10 selon le mode de réalisation de l'invention permet de garantir que le levier primaire 16 et le levier secondaire 22 sont en appui contre leurs butées angulaires respectives lorsqu'ils occupent leurs positions respectives de verrouillage ou de déverrouillage.The lock 10 according to the embodiment of the invention ensures that the primary lever 16 and the secondary lever 22 are in abutment against their respective angular stops when they occupy their respective positions of locking or unlocking.

On note que le bossage 62 dans la lumière 44 contribue à empêcher un retrait axial du pion 42 en dehors de la lumière 44, en particulier lors du pivotement du levier primaire 16 vers sa position de verrouillage, le pion 42 se déplaçant vers la gauche depuis sa première position P1 vers sa deuxième position P2.It is noted that the boss 62 in the lumen 44 contributes to preventing axial withdrawal of the pin 42 from outside the lumen 44, in particular during the pivoting of the primary lever 16 towards its locking position, the pin 42 moving to the left since its first position P1 to its second position P2.

Claims (12)

  1. Lock (10) for an opening leaf of a motor vehicle, of the type comprising:
    - operating means (12) for opening from the outside and operating means (14) for opening from the inside,
    - a primary lever (16) which is mounted so that it can pivot about a fixed primary pin (18), between an angular unlocking position and an angular locking position, in order to inhibit the means (12) for operating from the outside,
    - a secondary lever (22) which is mounted so that it can pivot about a fixed secondary pin (24), substantially parallel to the primary pin (18), between an angular unlocking position and an angular locking position, in order to inhibit the means (14) for operating from the inside,
    - a driving member (30) which is connected to the primary lever (16) in order to directly pivot the primary lever (16), from its locking position toward its unlocking position, during an operating phase referred to as outside unlocking phase,
    - a connection means (34) which is arranged between the primary lever (16) and the secondary lever (22) so as to link the angular displacement of the two levers (16, 22) during an outside unlocking phase, with the aim of bringing about global unlocking of the lock (10) consisting in pivoting the two levers (16, 22) from their respective locking positions toward their respective unlocking positions,
    characterized in that it comprises means (36-18, 42-24) of accelerating the angular pivoting of the secondary lever (22) with respect to the angular pivoting of the primary lever (16), during a global unlocking phase, in order to ensure that the secondary lever (22) is unlocked before the primary lever (16).
  2. Lock (10) according to the preceding claim, characterized in that the connection means is a link rod (34) which is articulated on the primary lever (16) by means of a point (36) of articulation on the primary lever (16) and which comprises a point (42) of articulation on the secondary lever (22).
  3. Lock (10) according to the preceding Claim 1 or 2, characterized in that the means of acceleration comprise:
    - a first point (36) of articulation between the connection means (34) and the primary lever (16); and
    - a second point (42) of articulation between the connection means (34) and the secondary lever (22), which points are positioned respectively with respect to the primary pin (18) and with respect to the secondary pin (24) in such a way as to have a radial distance (R) between the second point (42) of articulation and the secondary pin (24) that is shorter than a radial distance between the first point (36) of articulation and the primary pin (18).
  4. Lock (10) according to any one of the preceding claims, characterized in that:
    - the connection means (34) is articulated at a fixed point (36) of the primary lever (16),
    - the connection means (34) is articulated on the secondary lever (22) by means of the articulation point (42) which is an axial peg (42) which is borne by the connection means (34) and which interacts with an edge (54) of a slot (44) made in the secondary lever (22), so that the connection means (34) links the angular displacement of the two levers (16, 22) only during the global unlocking phase.
  5. Lock (10) according to any one of Claims 2 to 4, characterized in that the secondary lever (22) comprises a slot (44), one edge (54) of which is in the form of a cam, the said cam (64) comprising a final portion (60), and in that there is a radial clearance between one end of the said portion (60) and the articulation point (42) when the primary lever (16) occupies its unlocking position.
  6. Lock (10) according to Claim 4, characterized in that the secondary lever (22) comprises a slot (44), one edge (54) of which is in the form of a cam which is configured so that, during the global unlocking phase, the radial distance (R) between the peg (42) and the secondary pin (24) increases, with the aim of allowing the primary lever (16) to continue its pivoting motion as far as its unlocking position, after the secondary lever (22) has reached its unlocking position.
  7. Lock (10) according to the preceding claim, characterized in that the cam (54) comprises a final portion (60) relative to the global unlocking phase, which describes a defined angle (β, β') with respect to the direction (H'H) of displacement of the connection means (34), depending on the angular position of the secondary lever (22) during the global unlocking phase, and in that said angle (β, β') is:
    - greater than or equal to ninety degrees, at the start of the global unlocking phase, when the secondary lever (22) occupies its locking position,
    - less than ninety degrees, during the final step of the global unlocking phase, when the secondary lever (22) wholly occupies its unlocking position and the primary lever (16) does not yet occupy its locking position, so that, during the final step of the global unlocking phase, the articulation point (42) is displaced wholly radially outward with respect to the secondary pin (24), remaining in circumferential contact with the final portion (60) of the cam (54), in the direction of unlocking of the secondary lever (22).
  8. Lock (10) according to any one of the preceding Claims 5 to 7, characterized in that the cam (64) comprises a final portion (60) which is substantially rectilinear and parallel to a radial direction of the secondary pin (24), so that, during the final step of the global unlocking phase, the articulation point (42) is displaced in said radial direction with respect to the secondary pin (24).
  9. Lock (10) according to any one of the preceding Claims 5 to 8, characterized in that the cam (54) wholly forms a V, and in that, when the two levers (16, 22) occupy their respective locking positions, the articulation point (42) bears in the angle of the V (56) formed by the cam (54).
  10. Lock (10) according to any one of the preceding Claims 4 to 9, characterized in that, when the two levers (16, 22) occupy their respective unlocking positions, the articulation point (42) is housed in the slot (44) with a radial clearance, on the side directed away from the secondary pin (24).
  11. Lock (10) according to any one of the preceding claims, characterized in that each lever (16, 22) comprises two opposed circumferential stops which wholly determine the associated angular locking and unlocking positions.
  12. Lock (10) according to any one of the preceding claims, characterized in that it comprises means designed to make the secondary lever (22) bistable.
EP03735721A 2002-06-13 2003-05-27 Lock for motor vehicle opening comprising means for inside and outside locking Expired - Lifetime EP1516098B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0207250A FR2840942B1 (en) 2002-06-13 2002-06-13 LOCK FOR A SUNLOCK OF A MOTOR VEHICLE COMPRISING INTERIOR AND EXTERIOR UNLOCKING MEANS
FR0207250 2002-06-13
PCT/EP2003/050198 WO2003106792A1 (en) 2002-06-13 2003-05-27 Lock for motor vehicle opening comprising means for inside and outside locking

Publications (2)

Publication Number Publication Date
EP1516098A1 EP1516098A1 (en) 2005-03-23
EP1516098B1 true EP1516098B1 (en) 2010-01-20

Family

ID=29595183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03735721A Expired - Lifetime EP1516098B1 (en) 2002-06-13 2003-05-27 Lock for motor vehicle opening comprising means for inside and outside locking

Country Status (11)

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US (1) US7311340B2 (en)
EP (1) EP1516098B1 (en)
JP (1) JP4541880B2 (en)
KR (1) KR100985658B1 (en)
CN (1) CN100439642C (en)
AU (1) AU2003238089A1 (en)
BR (1) BRPI0311160A2 (en)
DE (1) DE60331066D1 (en)
FR (1) FR2840942B1 (en)
MX (1) MXPA04012383A (en)
WO (1) WO2003106792A1 (en)

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US20080134734A1 (en) * 2006-12-06 2008-06-12 Kyeong Ho Lee Opening and closing apparatus
DE202007001974U1 (en) * 2007-02-10 2007-05-24 Kiekert Ag Vehicle door lock consists of safety catch with operating lever to control position of adjustable element and coupling unit that is linked to burglary-proof unit
DE202007009441U1 (en) * 2007-07-05 2007-09-27 Kiekert Ag Motor vehicle door lock
DE202008012484U1 (en) * 2008-09-21 2010-02-18 BROSE SCHLIEßSYSTEME GMBH & CO. KG Motor vehicle lock
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EP3032010B1 (en) * 2014-12-10 2017-03-29 U-Shin France Lock for a door of a motor vehicle

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Also Published As

Publication number Publication date
FR2840942A1 (en) 2003-12-19
DE60331066D1 (en) 2010-03-11
US7311340B2 (en) 2007-12-25
FR2840942B1 (en) 2004-10-01
CN100439642C (en) 2008-12-03
KR20050020980A (en) 2005-03-04
MXPA04012383A (en) 2005-02-25
US20050156435A1 (en) 2005-07-21
BRPI0311160A2 (en) 2016-06-21
JP4541880B2 (en) 2010-09-08
WO2003106792A1 (en) 2003-12-24
JP2005529261A (en) 2005-09-29
KR100985658B1 (en) 2010-10-05
EP1516098A1 (en) 2005-03-23
CN1659353A (en) 2005-08-24
AU2003238089A1 (en) 2003-12-31

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