EP0989264B1 - Improved electric lock for a motor vehicle door - Google Patents

Improved electric lock for a motor vehicle door Download PDF

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Publication number
EP0989264B1
EP0989264B1 EP99402219A EP99402219A EP0989264B1 EP 0989264 B1 EP0989264 B1 EP 0989264B1 EP 99402219 A EP99402219 A EP 99402219A EP 99402219 A EP99402219 A EP 99402219A EP 0989264 B1 EP0989264 B1 EP 0989264B1
Authority
EP
European Patent Office
Prior art keywords
lever
opening
lock
compartment
external
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
EP99402219A
Other languages
German (de)
French (fr)
Other versions
EP0989264A1 (en
Inventor
Patrick Dupont
Philippe Jacquinet
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 EP0989264A1 publication Critical patent/EP0989264A1/en
Application granted granted Critical
Publication of EP0989264B1 publication Critical patent/EP0989264B1/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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • 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
    • E05B77/34—Protection against weather or dirt, e.g. against water ingress
    • 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
    • E05B77/14—Specially controlled locking actions in case of open doors or in case of doors moved from an open to a closed position, e.g. lock-out prevention or self-cancelling
    • E05B77/16—Preventing locking with the bolt in the unlatched position, i.e. when the door is open
    • 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
    • E05B85/01—Mechanical arrangements specially adapted for hands-free locking or unlocking
    • 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

Definitions

  • the present invention relates to a door lock for motor vehicle, in particular an unlocking lock automatic upon opening, and more particularly a lock electric opening assistance and / or opening assistance conviction.
  • the mechanism for opening the lock is driven by a gear motor, an electromagnetic system or any other device equivalent which is incorporated in a sealed part of the housing lock, to isolate electrical components and gears from 1a dust, water and any foreign body that may enter in the lock when using the vehicle.
  • the mechanism electric opening assistance is generally controlled by door handles or exterior door opening paddles which are equipped with a contactor, sensor, microswitch or any other detector which is connected by an electric cable to the assistance device when opening the lock, to transmit the opening order.
  • Document FR-A-2 656 030 discloses a lock electrical according to the preamble of claim 1.
  • the object of the present invention is to provide a electric lock with assisted opening, the arrangement of mechanisms is perfected.
  • the invention has for object an electric lock for vehicle door automotive according to claim 1.
  • the gear train comprises a first pinion secured to the motor shaft of the motor electric, and meshing with a second pinion secured to a screw without end which meshes peripherally with said toothed wheel, said screw endless being linked to a spiral return spring which is intended to turn the auger in the opposite direction when the power to the engine stops, causing the crankpin to return toothed in its initial position.
  • the locking mechanism includes a second electric motor reversible for assistance with conviction / unlocking of the lock during a central locking or unlocking controlled from outside or inside, the drive shaft of the second electric motor being provided with a pinion meshing with a toothed sector of the locking lever.
  • the electric motor for assistance to the opening is intended to drive the opening lever in response to a control signal emitted by an external opening contactor, when an external control means, such as a handle or door outer paddle, is operated by a user.
  • the lock may include a mechanical means of external connection of which an external portion is intended to be connected by means of external control and of which another internal portion extends into the second sealed compartment of the lock, said lock external opening contactor being disposed in said second sealed compartment on the path of said interior portion of the means mechanical external connection, so as to emit a signal external opening control, when the connecting means mechanical is moved over an opening stroke determined during actuation of the external control means.
  • the pawl is connected to a interior control means, such as an interior handle or pallet door, by means of a mechanical connection means, such that a cable or a rod, to bring the pawl in a position of release of the bolt.
  • the lever conviction has three arms, a first arm to put a mechanical means of connection to an external control means in a condemned or unlocked position, a second arm for the possible connection with a lock cylinder, and a third arm for possible connection with an internal operating member of the door.
  • This internal operating member is intended to replace the frieze zipper usually used.
  • the opening mechanism includes an emergency lever for mechanical opening, in case of electrical failure or vehicle battery failure, this lever rescue comprising a first branch intended to cooperate with a protruding pin on the control lever and a second branch intended to cooperate with a mechanical means of connection to a means of external control, when the lock is in the unlocked position.
  • the lock of the invention comprises a lock housing B, for example, of plastic and a metal counter plate 1 substantially square-shaped and having an opening 2 for the passage of a keeper (not shown) which is fixed, in a manner known per se, to a vertical upright of the chassis of a motor vehicle.
  • the plywood 1 has a substantially L-shaped profile, the longer wing of which extends in the transverse direction of the vehicle, in the closed door position, and the smaller wing 1b of which extends in the longitudinal direction. of the vehicle.
  • the housing B has a shape substantially rectangular rectangle with the largest dimension extends substantially in the vertical direction of the door.
  • the housing B has a first compartment 3 called retention, because it contains a fork bolt 4 capable of retaining the strike and a pawl 5 to lock the bolt 4 in the strike retainer position.
  • the retention compartment 3 has a recess 6 forming the door of the lock, to accommodate the strike, in the closed position from the door.
  • the compartment 3 is closed by the counter plate 1 which is the part of the lock that is flush with the edge of the door.
  • the latch 4 and pawl 5 are respectively articulated on ends shafts 7 and 8 which are inserted between the bottom of compartment 3 and the part of the counter plate 1.
  • the retention compartment 3 further comprises an external opening lever 9 which is articulated on a cylindrical sleeve 10 on the bottom of the compartment 3, the external opening lever 9 comprising an arm 9 a extending substantially radially for cooperate with a finger 5 a of the pawl 5.
  • the external opening lever 9 has a passage of square section 9 b in alignment with the axis of the cylindrical sleeve 10, to make it integral in rotation with a lever command 11 which will be described in more detail with reference to FIG. 5.
  • the pawl 5 further comprises a protruding pin 5 b intended to be connected to a rod or a cable (not shown) for its connection to an interior door handle or pallet.
  • a light 12 is formed through the bottom of the compartment 3 in the vicinity of the periphery of the bolt 4. Inside this light 12, is able to pivot a lever 13 provided at its free end of a protruding pin 13 a which forms a cam follower element in contact with a peripheral portion 4 a on the periphery of the bolt, this peripheral portion 4 a forming a cam profile whose radius of curvature is adapted to cause the displacement of the pin 13 a , during the rotation of the bolt 4 between its closed position illustrated in FIGS. 1 to 4 and its open position (not shown) pivoted anti-clockwise.
  • An open door switch 14 is mounted on the bottom of the compartment 3 near the protruding pin 13 a of the lever 13, so that at the end of the pivoting stroke of the bolt 4 towards its open position, the pin 13 has come a push button 14a of the switch 14 for initiating the transmission of a door open signal.
  • the drain 6 has an elastic tab 6 a which is intended to dampen the entry of the keeper in the drain.
  • FIG. 5 we will now refer to FIG. 5, to describe the components of a second compartment 15 called kinematics of the lock housing B.
  • This second compartment 15 is separated from sealed compartment 3 by a partition which forms the bottom common to both compartments.
  • the control lever 11 has an end of axis 11 a which projects perpendicularly towards the bottom of compartment 15 and which is inserted through the cylindrical sleeve 10 of first compartment 3, this end of axis 11 a comprising at its free end a square section to fit into the corresponding square section opening 9b of the external opening lever 9, for their fastening in rotation.
  • the second compartment 15 contains a first electric motor 16 on the motor shaft of which is coaxially mounted a first pinion 17 which meshes with a pinion of larger diameter 18 which is coaxially integral in rotation with an endless screw 19.
  • the assembly 16 to 19 forms a geared motor group which is carried by support bearings 20, 21, which are anchored on the bottom of the compartment 15.
  • the worm 19 meshes with the circumference of a toothed wheel 22 which has on its upper face a stub shaft 22 is intended to be inserted in a suitable housing in the cover (not shown) for closing the second compartment 15. in its underside, the gear 22 is connected to a plate 23 by two crank pins 24, 25 diametrically opposite with respect to the axis of rotation of the wheel 22.
  • the plate 23 further comprises a finger 23 a perpendicularly projecting from its plane and coming to be embedded in the underside of the a wheel 22.
  • This finger 23 a is radially more eccentric than the crank pins 24 and 25.
  • the plate 23 has on its underside an end of an axis aligned with the end of axle 22 a of the wheel 22, and intended to be inserted in a suitable housing 26 in the bottom of the compartment 15.
  • crank pin 24 furthest from the finger 23 a of the plate 23 is intended to cooperate with an arm 11 b of the control lever 11, to cause it to rotate, during the rotation of the wheel 22.
  • the rotation of the control lever 11 simultaneously causes the rotation of the external opening lever 9 in the retention compartment 3, to move the pawl 5 to the bolt release position.
  • the rotation of the wheel 22 continues until the finger 23 a of the plate 23 comes into contact with an elastic end-of-travel stop 27 provided on the bottom of the compartment 15.
  • This stop 27 is advantageously made of rubber, for dampen the pressing of the finger 23 a against this stop 27, because the drive by the motor 16 is relatively powerful.
  • control lever 11 is subjected to a return spring, to return the lever control 11 to its initial position, once the gear motor assembly has returned to its original position as it will explained further.
  • a rubber stop 28 can also be provided in compartment 15 to dampen the return of the control 11 towards its rest position, as visible in FIGS. 6 at 9.
  • the control lever 11 comprises at the free end of another arm, extending substantially in the direction opposite to the arm 11b , a pin 30 intended to cooperate with a downwardly curved tab 31 provided at the free end d 'an arm of an emergency lever 32.
  • the emergency lever 32 is pivotally mounted on a shaft end 33 projecting from the bottom of the compartment 15 and comprises at the free end of another arm 34, arranged substantially in a direction opposite to the arm carrying the folded tab 31, a fork 35, the two branches of which are provided at their free end with a guide ramp 35 a .
  • a cable C passes between the branches of the fork 35 and has at its free end a end piece 36 which has a substantially spherical shape, the diameter is greater than the spacing of the branches of the fork 35, so as to be able to cause the pivoting of the emergency lever 32 around its axis 33, by pulling on the cable C, from a means external control, for example an external handle or pallet door.
  • Cable C is integral with a slider 37 arranged on the other side of the fork 35, relative to the end piece 36.
  • the cursor 37 can advantageously be molded onto cable C.
  • Two guide rails parallel 38, 39 are arranged on the bottom of compartment 15 for used to guide the cursor 37 when moving the cable C.
  • the cable C extends outside the housing B, crossing, so waterproof, a sleeve 40.
  • the kinematics compartment 15 further comprises a locking lever 41 which is articulated on a shaft end 42 projecting from the bottom of the compartment 15.
  • the locking lever 41 comprises a first arm 43 provided at its free end with a pin 43a which engages in a helical groove 44a formed on a rotary drum 44.
  • This rotary drum 44 is intended to be connected to a lock cylinder for a front door.
  • the locking lever 41 includes a second arm 45 extending substantially radially outward from the housing B, through an opening 46.
  • the locking lever 41 has a third arm 47 which is intended to cooperate with the end piece 36 of the cable C, to do so escape the fork 35, as visible in FIG. 7.
  • the end piece 36 is located in a recess of the locking lever 41 defined between the first arm 43 and the third arm 47.
  • the locking lever 41 further comprises a sector toothed 48 which is extended at one end by a projecting stop 49.
  • the toothed sector 48 meshes with a pinion 50 carried by the motor shaft 51 a second electric motor 52 for electric assistance to the locking / unlocking.
  • the second electric motor 52 is carried by a support piece 53 having a substantially C-shaped profile, which is mounted on the bottom of compartment 15.
  • the stop 49 of the locking lever 41 is intended to cooperate with a second lever comprising an arm 54 extending radially from a shaft 55 which is mounted in a tubular sleeve 56 which protrudes from the bottom of compartment 15.
  • the shaft 55 crosses, from tightly, the bottom of compartment 15 and presents at its lower end a square section to be secured in rotation lever 13 above.
  • an external opening contactor 60 which comprises a button 60 is adapted to be pushed by an inclined portion 37 a of the slider 37, during the traction of the cable C, for sending a control signal to opening to the first motor 16, by an electrical connection not shown.
  • the locking lever 41 pivots counterclockwise, as illustrated in FIG. 7.
  • the lock is in its closed state and mechanically locked, because the arm 47 of the locking lever 41 has pushed the end piece 36 of the cable C in a direction substantially perpendicular to the actuating stroke of the cable C, so as to make the end piece 36 escape from the fork 35 of the emergency lever 32
  • the end piece 36 will slide along the arm 47 and the guide ramp 35 a of the fork 35, without driving the lever emergency 32, the lock can not be mechanically unlocked from the outside.
  • the cursor 37 linked to the cable C will move along the guide rails 38 and 39 and will come by its inclined face 37 to push the switch button 60 a of the external opening switch 60, but since the general power supply of the vehicle has not been activated, the electric motor 16 for assistance with the opening will remain inactive, thus also prohibiting electric opening.
  • the contactor 60 can send an opening control signal to the electric motor 16 which causes the rotation of the wheel 22 clockwise.
  • the crank pin 24 bears against the arm 11b of the control lever 11 and pushes it back, so as to rotate the control lever 11 counterclockwise in FIG. 5
  • the crank pin 24 pushes the arm 11 b of the control lever 11 until the finger 23 a comes to bear against the elastic end-of-travel stop 27.
  • the pivoting of the control lever 11 causes the pivoting of the external opening lever 9 in the retention compartment 3, clockwise in FIG. 4.
  • the external opening lever 9 is pushed back by its arm 9 has the finger 5 has the pawl 5 to rotate anti-clockwise the pawl 5 which thus releases the bolt 4 which can pivot, in turn, anti-clockwise to release the keeper.
  • the drive torque exerted by motor 16 will be maintained for a period of time determined by a time delay, to ensure that the crank pin 24 causes the pivoting of the control lever 11.
  • the worm 19 will be returned in opposite direction by a spiral spring (not shown), to bring back the wheel 22 and therefore, the crankpins 24 and 25 in their initial positions, to allow later opening.
  • the spiral spring is linked to the worm 19 and is wound up during driven by the motor 16.
  • the return spring in spiral for the worm 19 is arranged in the bearing 20. In this configuration, the control lever 11 returns to its position rest under the action of a return spring not shown.
  • the electric opening assistance device works in the same way from the position of FIG. 7, in which the lock is in its closed state and mechanically locked.
  • the authorized user wearing a badge provided with a transmitter for transmitting a determined coded signal approaches the vehicle which is provided with a recognition system comprising a receiver capable of decoding the signal and turning on the power the vehicle's power supply, when the authorized user has been duly identified.
  • the electric motor 16 causes the lock to open, and the bolt 4 by its cam profile 4 a causes the arm 54 to pivot anti-clockwise to push the stop pin 49 of the locking lever 41, by pivoting the latter clockwise, to bring it into a unlocked position.
  • Contactor 60 sends a control signal simultaneously to the motor 16 and to the motor 52, to cause simultaneously assistance in opening the door and unlocking others doors.
  • the user can mechanically open the lock after having unlocked it mechanically, for example, by the lock barrel, by pulling on the cable C on an overtravel, to drive through the end piece 36 the fork 35 of the emergency lever 32 which pivots clockwise in Figure 9 and repels by the curved tab 31 of its arm opposite the pin 30 of the control lever 11, to rotate it counterclockwise, which causes the pivoting of the external opening lever 9, and therefore, the release of the bolt.
  • the arm 54 comes into contact with the stop 49 of the locking lever 41, due to cooperation between the cam 4a of the bolt 4 and the cam follower pin 13a of the lever 13.
  • crank pin 25 shown in Figure 5 does not present no particular utility here.
  • the electric motor 52 is reversible, in order to rotate the locking lever 41 in both directions, to bring it respectively in its condemned or unlocked position.
  • the motor shaft 51 of the electric motor 52 has its axis of rotation parallel to the pivot axis of the locking lever 41, while the motor shaft of the electric motor 16 has its axis of rotation perpendicular to the axis of the opening lever 9.

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  • Lock And Its Accessories (AREA)

Description

La présente invention concerne une serrure pour portière de véhicule automobile, notamment une serrure à décondamnation automatique à l'ouverture, et plus particulièrement une serrure électrique à assistance à l'ouverture et/ou à assistance à la condamnation.The present invention relates to a door lock for motor vehicle, in particular an unlocking lock automatic upon opening, and more particularly a lock electric opening assistance and / or opening assistance conviction.

Dans les serrures électriques à assistance à l'ouverture, le mécanisme d'ouverture de la serrure est entraíné par un moto-réducteur, un système électromagnétique ou tout autre dispositif équivalent qui est incorporé dans une partie étanche du boítier de serrure, pour isoler les composants électriques et les engrenages de 1a poussière, de l'eau et de tout corps étranger qui pourrait s'introduire dans la serrure, lors de l'utilisation du véhicule. Le mécanisme électrique d'assistance à l'ouverture est généralement commandé par les poignées ou palettes d'ouverture extérieure de portière qui sont équipées d'un contacteur, capteur, micro-interrupteur ou tout autre détecteur qui est relié par un câble électrique au dispositif d'assistance à l'ouverture de la serrure, pour transmettre l'ordre d'ouverture.In electric locks with assisted opening, the mechanism for opening the lock is driven by a gear motor, an electromagnetic system or any other device equivalent which is incorporated in a sealed part of the housing lock, to isolate electrical components and gears from 1a dust, water and any foreign body that may enter in the lock when using the vehicle. The mechanism electric opening assistance is generally controlled by door handles or exterior door opening paddles which are equipped with a contactor, sensor, microswitch or any other detector which is connected by an electric cable to the assistance device when opening the lock, to transmit the opening order.

Le document FR-A-2 656 030 divulgue une serrure électrique conforme au préambule de la revendication 1.Document FR-A-2 656 030 discloses a lock electrical according to the preamble of claim 1.

La présente invention a pour but de proposer une serrure électrique à assistance à l'ouverture dont l'agencement des mécanismes est perfectionné. The object of the present invention is to provide a electric lock with assisted opening, the arrangement of mechanisms is perfected.

Pour atteindre le but précité, l'invention a pour objet une serrure électrique pour portière de véhicule automobile, conforme à la revendication 1.To achieve the above object, the invention has for object an electric lock for vehicle door automotive according to claim 1.

Dans une forme de réalisation particulière, le train d'engrenages comporte un premier pignon solidaire de l'arbre moteur du moteur électrique, et engrenant avec un second pignon solidaire d'une vis sans fin qui engrène périphériquement avec ladite roue dentée, ladite vis sans fin étant liée à un ressort de rappel en spirale qui est destiné à faire tourner en sens inverse la vis sans fin, lorsque l'alimentation du moteur s'arrête, provoquant ainsi le retour du maneton de la roue dentée dans sa position initiale. In a particular embodiment, the gear train comprises a first pinion secured to the motor shaft of the motor electric, and meshing with a second pinion secured to a screw without end which meshes peripherally with said toothed wheel, said screw endless being linked to a spiral return spring which is intended to turn the auger in the opposite direction when the power to the engine stops, causing the crankpin to return toothed in its initial position.

Selon encore une autre caractéristique de l'invention, le mécanisme de condamnation comporte un deuxième moteur électrique réversible pour l'assistance à la condamnation/décondamnation de la serrure lors d'une condamnation ou décondamnation centralisée commandée de l'extérieur ou de l'intérieur, l'arbre moteur du deuxième moteur électrique étant muni d'un pignon engrenant avec un secteur denté du levier de condamnation.According to yet another characteristic of the invention, the locking mechanism includes a second electric motor reversible for assistance with conviction / unlocking of the lock during a central locking or unlocking controlled from outside or inside, the drive shaft of the second electric motor being provided with a pinion meshing with a toothed sector of the locking lever.

Avantageusement, le moteur électrique pour l'assistance à l'ouverture est destiné à entraíner le levier d'ouverture en réponse à un signal de commande émis par un contacteur d'ouverture extérieure, lorsqu'un moyen de commande extérieure, tel qu'une poignée ou palette extérieure de portière, est actionnée par un utilisateur.Advantageously, the electric motor for assistance to the opening is intended to drive the opening lever in response to a control signal emitted by an external opening contactor, when an external control means, such as a handle or door outer paddle, is operated by a user.

Dans ce cas, la serrure peut comporter un moyen mécanique de liaison extérieure dont une portion extérieure est destinée à être reliée au moyen de commande extérieure et dont une autre portion intérieure s'étend dans le deuxième compartiment étanche de la serrure, ledit contacteur d'ouverture extérieure étant disposé dans ledit deuxième compartiment étanche sur le trajet de ladite portion intérieure du moyen mécanique de liaison extérieure, de façon à émettre un signal de commande d'ouverture extérieure, lorsque le moyen de liaison mécanique est déplacé sur une course d'ouverture déterminée lors de l'actionnement du moyen de commande extérieure.In this case, the lock may include a mechanical means of external connection of which an external portion is intended to be connected by means of external control and of which another internal portion extends into the second sealed compartment of the lock, said lock external opening contactor being disposed in said second sealed compartment on the path of said interior portion of the means mechanical external connection, so as to emit a signal external opening control, when the connecting means mechanical is moved over an opening stroke determined during actuation of the external control means.

Selon encore une autre caractéristique, le cliquet est relié à un moyen de commande intérieure, tel qu'une poignée ou palette intérieure de portière, par l'intermédiaire d'un moyen mécanique de liaison, tel qu'un câble ou une tringle, pour amener le cliquet dans une position de libération du pêne.According to yet another characteristic, the pawl is connected to a interior control means, such as an interior handle or pallet door, by means of a mechanical connection means, such that a cable or a rod, to bring the pawl in a position of release of the bolt.

Dans une forme de réalisation particulière, le levier de condamnation comporte trois bras, un premier bras pour mettre un moyen mécanique de liaison à un moyen de commande extérieure dans une position condamnée ou décondamnée, un deuxième bras pour la liaison éventuelle avec un barillet de serrure, et un troisième bras pour la liaison éventuelle avec un organe de manoeuvre intérieure de la portière. Cet organe de manoeuvre intérieure est destiné à remplacer la tirette de frise habituellement utilisée. In a particular embodiment, the lever conviction has three arms, a first arm to put a mechanical means of connection to an external control means in a condemned or unlocked position, a second arm for the possible connection with a lock cylinder, and a third arm for possible connection with an internal operating member of the door. This internal operating member is intended to replace the frieze zipper usually used.

Dans une variante de réalisation, le mécanisme d'ouverture comporte un levier de secours pour l'ouverture mécanique, en cas de panne électrique ou de défaillance de la batterie du véhicule, ce levier de secours comportant une première branche destinée à coopérer avec un pion saillant sur le levier de commande et une deuxième branche destinée à coopérer avec un moyen mécanique de liaison à un moyen de commande extérieure, lorsque la serrure est en position décondamnée. In an alternative embodiment, the opening mechanism includes an emergency lever for mechanical opening, in case of electrical failure or vehicle battery failure, this lever rescue comprising a first branch intended to cooperate with a protruding pin on the control lever and a second branch intended to cooperate with a mechanical means of connection to a means of external control, when the lock is in the unlocked position.

La description donnée ci-après, à titre purement illustratif et non limitatif, d'un mode de réalisation permettra, en se référant aux dessins annexés, de mieux comprendre l'invention.The description given below, purely by way of illustration and not limiting, of an embodiment will allow, with reference to the drawings appended, to better understand the invention.

Sur ce dessin :

  • la figure 1 est une vue en perspective éclatée de la serrure conforme à l'invention, du côté de son compartiment de rétention ;
  • la figure 2 est une vue analogue à la figure 1, mais partiellement assemblée ;
  • la figure 3 est une vue de dessus de la figure 2, en position complètement assemblée de la serrure ;
  • la figure 4 est une vue analogue à la figure 3, la contre-plaque étant omise ;
  • la figure 5 est une vue en perspective éclatée de la serrure de l'invention, du côté de son compartiment de cinématique ;
  • la figure 6 est une vue de dessus de la figure 5, le couvercle du compartiment de cinématique étant omis, et la serrure étant dans une position fermée et décondamnée ;
  • la figure 7 est une vue analogue à la figure 6, mais représentant la serrure dans une position fermée et condamnée ;
  • la figure 8 est une vue analogue à la figure 6, mais représentant la serrure dans une position ouverte et décondamnée, sous l'action du dispositif électrique d'assistance à l'ouverture ; et
  • la figure 9 est une vue analogue à la figure 8, la serrure étant également en position ouverture et décondamnée, sous l'action du moyen mécanique de secours à l'ouverture.
On this drawing :
  • Figure 1 is an exploded perspective view of the lock according to the invention, from the side of its retention compartment;
  • Figure 2 is a view similar to Figure 1, but partially assembled;
  • Figure 3 is a top view of Figure 2, in the fully assembled position of the lock;
  • Figure 4 is a view similar to Figure 3, the counter plate being omitted;
  • Figure 5 is an exploded perspective view of the lock of the invention, from the side of its kinematics compartment;
  • Figure 6 is a top view of Figure 5, the cover of the kinematics compartment being omitted, and the lock being in a closed and unlocked position;
  • Figure 7 is a view similar to Figure 6, but showing the lock in a closed and locked position;
  • Figure 8 is a view similar to Figure 6, but showing the lock in an open and unlocked position, under the action of the electric device for assisting the opening; and
  • FIG. 9 is a view similar to FIG. 8, the lock also being in the open and unlocked position, under the action of the mechanical means for emergency opening.

En se référant à la figure 1, la serrure de l'invention comporte un boítier de serrure B, par exemple, en matière plastique et une contre-plaque métallique 1 sensiblement en forme d'équerre et présentant une ouverture 2 pour le passage d'une gâche (non représentée) qui est fixée, d'une manière connue en soi, à un montant vertical du châssis d'un véhicule automobile. La contre-plaqué 1 présente un profil sensiblement en L dont l'aile la plus longue la s'étend dans la direction transversale du véhicule, en position de portière fermée, et dont la plus petite aile 1b s'étend dans la direction longitudinale du véhicule.Referring to Figure 1, the lock of the invention comprises a lock housing B, for example, of plastic and a metal counter plate 1 substantially square-shaped and having an opening 2 for the passage of a keeper (not shown) which is fixed, in a manner known per se, to a vertical upright of the chassis of a motor vehicle. The plywood 1 has a substantially L-shaped profile, the longer wing of which extends in the transverse direction of the vehicle, in the closed door position, and the smaller wing 1b of which extends in the longitudinal direction. of the vehicle.

Comme visible sur la figure 1, le boítier B présente une forme sensiblement parallélépipédique rectangle dont la plus grande dimension s'étend sensiblement dans la direction verticale de la portière. Le boítier B comporte un premier compartiment 3 dit de rétention, car il contient un pêne à fourche 4 apte à retenir la gâche et un cliquet 5 pour bloquer le pêne 4 en position de retenue de la gâche. Le compartiment de rétention 3 comporte un évidement 6 formant l'avaloir de la serrure, pour y loger la gâche, en position de fermeture de la portière. Le compartiment 3 est fermé par la contre-plaque 1 qui est la partie de la serrure qui affleure au niveau du chant de porte. Le pêne 4 et le cliquet 5 sont respectivement articulés sur des bouts d'arbre 7 et 8 qui sont intercalés entre le fond du compartiment 3 et la partie la de la contre-plaque 1.As shown in Figure 1, the housing B has a shape substantially rectangular rectangle with the largest dimension extends substantially in the vertical direction of the door. The housing B has a first compartment 3 called retention, because it contains a fork bolt 4 capable of retaining the strike and a pawl 5 to lock the bolt 4 in the strike retainer position. The retention compartment 3 has a recess 6 forming the door of the lock, to accommodate the strike, in the closed position from the door. The compartment 3 is closed by the counter plate 1 which is the part of the lock that is flush with the edge of the door. The latch 4 and pawl 5 are respectively articulated on ends shafts 7 and 8 which are inserted between the bottom of compartment 3 and the part of the counter plate 1.

Le compartiment de rétention 3 comporte, en outre, un levier d'ouverture extérieure 9 qui est articulé sur un manchon cylindrique 10 sur le fond du compartiment 3, le levier d'ouverture extérieure 9 comportant un bras 9a s'étendant sensiblement radialement pour venir coopérer avec un doigt 5a du cliquet 5. Le levier d'ouverture extérieure 9 comporte un passage de section carrée 9b dans l'alignement de l'axe du manchon cylindrique 10, pour le rendre solidaire en rotation d'un levier de commande 11 qui sera décrit plus en détail en référence à la figure 5. The retention compartment 3 further comprises an external opening lever 9 which is articulated on a cylindrical sleeve 10 on the bottom of the compartment 3, the external opening lever 9 comprising an arm 9 a extending substantially radially for cooperate with a finger 5 a of the pawl 5. The external opening lever 9 has a passage of square section 9 b in alignment with the axis of the cylindrical sleeve 10, to make it integral in rotation with a lever command 11 which will be described in more detail with reference to FIG. 5.

Le cliquet 5 comporte, en outre, un pion saillant 5b destiné à être relié à une tringle ou à un câble (non représenté) pour sa liaison à une poignée ou palette intérieure de portière.The pawl 5 further comprises a protruding pin 5 b intended to be connected to a rod or a cable (not shown) for its connection to an interior door handle or pallet.

Comme mieux visible sur les figures 1 et 4, une lumière 12 est ménagée à travers le fond du compartiment 3 au voisinage de la périphérie du pêne 4. A l'intérieur de cette lumière 12, est apte à pivoter un levier 13 muni à son extrémité libre d'un pion saillant 13a qui forme un élément suiveur de came en contact avec une portion périphérique 4a sur le pourtour du pêne, cette portion périphérique 4a formant un profil de came dont le rayon de courbure est adapté pour provoquer le déplacement du pion 13a, lors de la rotation du pêne 4 entre sa position de fermeture illustrée sur les figures 1 à 4 et sa position d'ouverture (non représentée) pivotée dans le sens anti-horaire.As best seen in Figures 1 and 4, a light 12 is formed through the bottom of the compartment 3 in the vicinity of the periphery of the bolt 4. Inside this light 12, is able to pivot a lever 13 provided at its free end of a protruding pin 13 a which forms a cam follower element in contact with a peripheral portion 4 a on the periphery of the bolt, this peripheral portion 4 a forming a cam profile whose radius of curvature is adapted to cause the displacement of the pin 13 a , during the rotation of the bolt 4 between its closed position illustrated in FIGS. 1 to 4 and its open position (not shown) pivoted anti-clockwise.

Un contacteur de porte ouverte 14 est monté sur le fond du compartiment 3 à proximité du pion saillant 13a du levier 13, de façon qu'en fin de course de pivotement du pêne 4 vers sa position d'ouverture, le pion 13a vienne repousser un bouton 14a du contacteur 14, pour déclencher l'émission d'un signal de porte ouverte.An open door switch 14 is mounted on the bottom of the compartment 3 near the protruding pin 13 a of the lever 13, so that at the end of the pivoting stroke of the bolt 4 towards its open position, the pin 13 has come a push button 14a of the switch 14 for initiating the transmission of a door open signal.

De manière connue en soi, l'avaloir 6 comporte une patte élastique 6a qui est destinée à amortir l'entrée de la gâche dans l'avaloir.In a manner known per se, the drain 6 has an elastic tab 6 a which is intended to dampen the entry of the keeper in the drain.

On va maintenant se référer à la figure 5, pour décrire les composants d'un deuxième compartiment 15 dit de cinématique du boítier de serrure B. Ce deuxième compartiment 15 est séparé de manière étanche du compartiment 3 par une cloison qui forme le fond commun aux deux compartiments.We will now refer to FIG. 5, to describe the components of a second compartment 15 called kinematics of the lock housing B. This second compartment 15 is separated from sealed compartment 3 by a partition which forms the bottom common to both compartments.

Le levier de commande 11 comporte un bout d'axe 11a qui fait perpendiculairement saillie vers le fond du compartiment 15 et qui vient s'insérer à travers le manchon cylindrique 10 du premier compartiment 3, ce bout d'axe 11a comportant à son extrémité libre une section carrée pour venir s'encastrer dans l'ouverture à section carrée correspondante 9b du levier d'ouverture extérieure 9, pour leur solidarisation en rotation.The control lever 11 has an end of axis 11 a which projects perpendicularly towards the bottom of compartment 15 and which is inserted through the cylindrical sleeve 10 of first compartment 3, this end of axis 11 a comprising at its free end a square section to fit into the corresponding square section opening 9b of the external opening lever 9, for their fastening in rotation.

Le deuxième compartiment 15 contient un premier moteur électrique 16 sur l'arbre moteur duquel est coaxialement monté un premier pignon 17 qui engrène avec un pignon de plus grand diamètre 18 qui est coaxialement solidaire en rotation d'une vis sans fin 19. L'ensemble 16 à 19 forme un groupe moto-réducteur qui est porté par des paliers de support 20, 21, qui sont ancrés sur le fond du compartiment 15. La vis sans fin 19 engrène avec la circonférence d'une roue dentée 22 qui comporte sur sa face supérieure un bout d'axe 22a destiné à s'insérer dans un logement adapté dans le couvercle (non représenté) de fermeture du deuxième compartiment 15. Par sa face inférieure, la roue dentée 22 est reliée à une plaquette 23, par deux manetons 24, 25 diamétralement opposés par rapport à l'axe de rotation de la roue 22. La plaquette 23 comporte, en outre, un doigt 23a perpendiculairement saillant par rapport à son plan et venant s'encastrer dans la face inférieure de la roue 22. Ce doigt 23a est radialement plus excentré que les manetons 24 et 25. Bien que cela ne soit pas visible sur la figure 5, la plaquette 23 comporte sur sa face inférieure un bout d'axe aligné avec le bout d'axe 22a de la roue 22, et destiné à venir s'insérer dans un logement adapté 26 dans le fond du compartiment 15.The second compartment 15 contains a first electric motor 16 on the motor shaft of which is coaxially mounted a first pinion 17 which meshes with a pinion of larger diameter 18 which is coaxially integral in rotation with an endless screw 19. The assembly 16 to 19 forms a geared motor group which is carried by support bearings 20, 21, which are anchored on the bottom of the compartment 15. The worm 19 meshes with the circumference of a toothed wheel 22 which has on its upper face a stub shaft 22 is intended to be inserted in a suitable housing in the cover (not shown) for closing the second compartment 15. in its underside, the gear 22 is connected to a plate 23 by two crank pins 24, 25 diametrically opposite with respect to the axis of rotation of the wheel 22. The plate 23 further comprises a finger 23 a perpendicularly projecting from its plane and coming to be embedded in the underside of the a wheel 22. This finger 23 a is radially more eccentric than the crank pins 24 and 25. Although this is not visible in FIG. 5, the plate 23 has on its underside an end of an axis aligned with the end of axle 22 a of the wheel 22, and intended to be inserted in a suitable housing 26 in the bottom of the compartment 15.

L'un des deux manetons précités, à savoir le maneton 24 le plus éloigné du doigt 23a de la plaquette 23, est destiné à coopérer avec un bras 11b du levier de commande 11, pour l'entraíner en rotation, lors de la rotation de la roue 22. La rotation du levier de commande 11 provoque simultanément la rotation du levier d'ouverture extérieure 9 dans le compartiment de rétention 3, pour déplacer le cliquet 5 vers la position de libération du pêne. La rotation de la roue 22 se poursuit jusqu'à ce que le doigt 23a de la plaquette 23 vienne en contact avec une butée élastique de fin de course 27 prévue sur le fond du compartiment 15. Cette butée 27 est avantageusement en caoutchouc, pour amortir la mise en appui du doigt 23a contre cette butée 27, car l'entraínement par le moteur 16 est relativement puissant.One of the two aforementioned crank pins, namely the crank pin 24 furthest from the finger 23 a of the plate 23, is intended to cooperate with an arm 11 b of the control lever 11, to cause it to rotate, during the rotation of the wheel 22. The rotation of the control lever 11 simultaneously causes the rotation of the external opening lever 9 in the retention compartment 3, to move the pawl 5 to the bolt release position. The rotation of the wheel 22 continues until the finger 23 a of the plate 23 comes into contact with an elastic end-of-travel stop 27 provided on the bottom of the compartment 15. This stop 27 is advantageously made of rubber, for dampen the pressing of the finger 23 a against this stop 27, because the drive by the motor 16 is relatively powerful.

Bien que cela ne soit pas représenté, le levier de commande 11 est soumis à un ressort de rappel, pour faire revenir le levier de commande 11 vers sa position initiale, une fois que l'ensemble moto-réducteur est lui-même revenu dans sa position initiale comme il sera expliqué plus avant . Une butée en caoutchouc 28 peut également être prévue dans le compartiment 15 pour amortir le retour du levier de commande 11 vers sa position de repos, comme visible sur les figures 6 à 9. Although not shown, the control lever 11 is subjected to a return spring, to return the lever control 11 to its initial position, once the gear motor assembly has returned to its original position as it will explained further. A rubber stop 28 can also be provided in compartment 15 to dampen the return of the control 11 towards its rest position, as visible in FIGS. 6 at 9.

Le levier de commande 11 comporte à l'extrémité libre d'un autre bras, s'étendant sensiblement en direction opposée au bras 11b, un pion 30 destiné à coopérer avec une patte recourbée vers le bas 31 prévue à l'extrémité libre d'un bras d'un levier de secours 32. Le levier de secours 32 est monté pivotant sur un bout d'arbre 33 prévu en saillie sur le fond du compartiment 15 et comporte à l'extrémité libre d'un autre bras 34, agencé sensiblement dans une direction opposée au bras portant la patte repliée 31, une fourchette 35 dont les deux branches sont munies à leur extrémité libre d'une rampe de guidage 35a.The control lever 11 comprises at the free end of another arm, extending substantially in the direction opposite to the arm 11b , a pin 30 intended to cooperate with a downwardly curved tab 31 provided at the free end d 'an arm of an emergency lever 32. The emergency lever 32 is pivotally mounted on a shaft end 33 projecting from the bottom of the compartment 15 and comprises at the free end of another arm 34, arranged substantially in a direction opposite to the arm carrying the folded tab 31, a fork 35, the two branches of which are provided at their free end with a guide ramp 35 a .

Comme visible sur la figure 6, un câble C passe entre les branches de la fourchette 35 et comporte à son extrémité libre un embout 36 qui présente une forme sensiblement sphérique dont le diamètre est supérieur à l'écartement des branches de la fourchette 35, de façon à pouvoir entraíner le pivotement du levier de secours 32 autour de son axe 33, par traction sur le câble C, à partir d'un moyen de commande extérieure, par exemple une poignée ou palette extérieure de portière. Le câble C est solidaire d'un curseur 37 agencé de l'autre côté de la fourchette 35, par rapport à l'embout 36. Le curseur 37 peut être avantageusement surmoulé sur le câble C. Deux rails de guidage parallèle 38, 39 sont agencés sur le fond du compartiment 15 pour servir au guidage du curseur 37 lors du déplacement du câble C. Le câble C s'étend à l'extérieur du boítier B, en traversant, de manière étanche, un manchon 40.As shown in Figure 6, a cable C passes between the branches of the fork 35 and has at its free end a end piece 36 which has a substantially spherical shape, the diameter is greater than the spacing of the branches of the fork 35, so as to be able to cause the pivoting of the emergency lever 32 around its axis 33, by pulling on the cable C, from a means external control, for example an external handle or pallet door. Cable C is integral with a slider 37 arranged on the other side of the fork 35, relative to the end piece 36. The cursor 37 can advantageously be molded onto cable C. Two guide rails parallel 38, 39 are arranged on the bottom of compartment 15 for used to guide the cursor 37 when moving the cable C. The cable C extends outside the housing B, crossing, so waterproof, a sleeve 40.

Le compartiment de cinématique 15 comporte, en outre, un levier de condamnation 41 qui est articulé sur un bout d'arbre 42 en saillie du fond du compartiment 15. Le levier de condamnation 41 comporte un premier bras 43 muni à son extrémité libre d'un pion 43a qui s'engage dans une rainure hélicoïdale 44a ménagée sur un tonneau rotatif 44. Ce tonneau rotatif 44 est destiné à être relié à un barillet de serrure, pour une portière avant. Le levier de condamnation 41 comporte un deuxième bras 45 s'étendant sensiblement radialement vers l'extérieur du boítier B, à travers une ouverture 46.The kinematics compartment 15 further comprises a locking lever 41 which is articulated on a shaft end 42 projecting from the bottom of the compartment 15. The locking lever 41 comprises a first arm 43 provided at its free end with a pin 43a which engages in a helical groove 44a formed on a rotary drum 44. This rotary drum 44 is intended to be connected to a lock cylinder for a front door. The locking lever 41 includes a second arm 45 extending substantially radially outward from the housing B, through an opening 46.

Le levier de condamnation 41 comporte un troisième bras 47 qui est destiné à coopérer avec l'embout 36 du câble C, pour le faire échapper à la fourchette 35, comme visible sur la figure 7. Dans la position de repos du câble C, l'embout 36 est situé dans un renfoncement du levier de condamnation 41 défini entre le premier bras 43 et le troisième bras 47.The locking lever 41 has a third arm 47 which is intended to cooperate with the end piece 36 of the cable C, to do so escape the fork 35, as visible in FIG. 7. In the cable rest position C, the end piece 36 is located in a recess of the locking lever 41 defined between the first arm 43 and the third arm 47.

Le levier de condamnation 41 comporte, en outre, un secteur denté 48 qui se prolonge à une extrémité par une butée saillante 49. Le secteur denté 48 engrène avec un pignon 50 porté par l'arbre moteur 51 d'un deuxième moteur électrique 52 pour l'assistance électrique à la condamnation/décondamnation. Le deuxième moteur électrique 52 est porté par une pièce de support 53 sensiblement à profil en forme de C, qui est montée sur le fond du compartiment 15.The locking lever 41 further comprises a sector toothed 48 which is extended at one end by a projecting stop 49. The toothed sector 48 meshes with a pinion 50 carried by the motor shaft 51 a second electric motor 52 for electric assistance to the locking / unlocking. The second electric motor 52 is carried by a support piece 53 having a substantially C-shaped profile, which is mounted on the bottom of compartment 15.

La butée 49 du levier de condamnation 41 est destinée à coopérer avec un deuxième levier comportant un bras 54 s'étendant radialement à partir d'un arbre 55 qui est monté dans un manchon tubulaire 56 qui fait saillie du fond du compartiment 15. L'arbre 55 traverse, de manière étanche, le fond du compartiment 15 et présente à son extrémité inférieure une section carrée pour être solidarisée en rotation du levier 13 précité.The stop 49 of the locking lever 41 is intended to cooperate with a second lever comprising an arm 54 extending radially from a shaft 55 which is mounted in a tubular sleeve 56 which protrudes from the bottom of compartment 15. The shaft 55 crosses, from tightly, the bottom of compartment 15 and presents at its lower end a square section to be secured in rotation lever 13 above.

Le long du rail 39, est disposé un contacteur d'ouverture extérieure 60 qui comporte un bouton 60a apte à être repoussé par un pan incliné 37a du curseur 37, lors de la traction du câble C, pour envoyer un signal de commande d'ouverture au premier moteur 16, par une liaison électrique non représentée.Along the rail 39, is arranged an external opening contactor 60 which comprises a button 60 is adapted to be pushed by an inclined portion 37 a of the slider 37, during the traction of the cable C, for sending a control signal to opening to the first motor 16, by an electrical connection not shown.

On va maintenant décrire le fonctionnement de la serrure de l'invention en référence aux figures 4 à 9. We will now describe the operation of the lock the invention with reference to Figures 4 to 9.

Dans la position illustrée sur la figure 6, la serrure est dans son état fermé et mécaniquement décondamné. En effet, le levier de condamnation 41 est dans une position où son bras 47 a placé l'embout 36 du câble C en face de la fourchette 35 du levier de secours 32, ce qui autorise une ouverture mécanique, en tirant sur le câble C, comme expliqué plus loin.In the position illustrated in Figure 6, the lock is in its closed state and mechanically unlocked. Indeed, the lever of condemnation 41 is in a position where his arm 47 has placed the endpiece 36 of the cable C opposite the fork 35 of the emergency lever 32, this which allows a mechanical opening, by pulling on the cable C, as explained further.

Dans cette position de fermeture de la serrure, on voit sur la figure 4 que l'une des branches de la fourche du pêne 4 est bloquée par un bec du cliquet 5, pour retenir une gâche non représentée.In this closed position of the lock, we see on the Figure 4 that one of the branches of the fork of the bolt 4 is blocked by a spout of the pawl 5, for retaining a keeper not shown.

A partir de la position illustrée sur la figure 6, lorsque l'utilisateur souhaite condamner la serrure, plusieurs possibilités s'offrent à lui :

  • soit il se trouve à l'intérieur de l'habitacle du véhicule et il actionne un organe de manoeuvre situé sur l'intérieur de la portière pour commander le déplacement du bras 45 du levier de condamnation 41 ;
  • soit l'utilisateur se trouve à l'extérieur du véhicule et il condamne la serrure avec sa clé en l'introduisant dans le barillet de serrure d'une portière avant pour entraíner, par l'intermédiaire du tonneau 44, le déplacement du bras 43 du levier de condamnation ;
  • soit, enfin, de l'extérieur du véhicule, il actionne un boítier de télécommande portatif pour envoyer un signal de commande de condamnation au moteur électrique 52 d'assistance à la condamnation, lequel moteur 52 entraíne le pivotement du levier de condamnation 41, en agissant sur le secteur denté 48.
From the position illustrated in Figure 6, when the user wishes to lock the lock, there are several possibilities:
  • either it is inside the passenger compartment of the vehicle and it actuates an operating member located on the inside of the door to control the movement of the arm 45 of the locking lever 41;
  • either the user is outside the vehicle and he locks the lock with his key by introducing it into the lock cylinder of a front door to cause, through the barrel 44, the movement of the arm 43 locking lever;
  • or, finally, from outside the vehicle, it actuates a portable remote control unit to send a condemnation control signal to the electric motor 52 for assisting with locking, which motor 52 causes the pivoting of the locking lever 41, acting on the toothed sector 48.

Quel que soit le moyen de commande de la condamnation de la serrure, le levier de condamnation 41 pivote dans le sens anti-horaire, comme illustré sur la figure 7. Sur cette figure, la serrure est dans son état fermé et mécaniquement condamné, car le bras 47 du levier de condamnation 41 a poussé l'embout 36 du câble C dans une direction sensiblement perpendiculaire à la course d'actionnement du câble C, de façon à faire échapper l'embout 36 à la fourchette 35 du levier de secours 32. Ainsi, si une personne non autorisée actionne à fond la poignée extérieure de portière, pour entraíner le câble C, l'embout 36 glissera le long du bras 47 et de la rampe de guidage 35a de la fourchette 35, sans entraíner le levier de secours 32, la serrure ne pouvant ainsi être mécaniquement décondamnée de l'extérieur. Lors du déplacement du câble C sous l'action de la poignée extérieure de portière, le curseur 37 lié au câble C se déplacera le long des rails de guidage 38 et 39 et viendra par son pan incliné 37a repousser le bouton d'interrupteur 60a du contacteur d'ouverture extérieure 60, mais comme l'alimentation générale du véhicule n'aura pas été activée, le moteur électrique 16 pour l'assistance à l'ouverture restera inactif, interdisant ainsi également l'ouverture électrique.Whatever the means for controlling the locking of the lock, the locking lever 41 pivots counterclockwise, as illustrated in FIG. 7. In this figure, the lock is in its closed state and mechanically locked, because the arm 47 of the locking lever 41 has pushed the end piece 36 of the cable C in a direction substantially perpendicular to the actuating stroke of the cable C, so as to make the end piece 36 escape from the fork 35 of the emergency lever 32 Thus, if an unauthorized person fully actuates the exterior door handle, to drive the cable C, the end piece 36 will slide along the arm 47 and the guide ramp 35 a of the fork 35, without driving the lever emergency 32, the lock can not be mechanically unlocked from the outside. When moving the cable C under the action of the exterior door handle, the cursor 37 linked to the cable C will move along the guide rails 38 and 39 and will come by its inclined face 37 to push the switch button 60 a of the external opening switch 60, but since the general power supply of the vehicle has not been activated, the electric motor 16 for assistance with the opening will remain inactive, thus also prohibiting electric opening.

On constate, sur la figure 7, que dans la position condamnée de la serrure, le pion de butée 49 du levier de condamnation 41 vient en contact avec le bras 54 du moyen de décondamnation automatique à l'ouverture.It can be seen, in FIG. 7, that in the locked position of the lock, the stop pin 49 of the locking lever 41 comes into contact with the arm 54 of the automatic unlocking means at the opening.

Lorsque l'utilisateur souhaite revenir à la position de la figure 6, il actionne l'un des moyens de commande précités pour faire pivoter le levier de condamnation 41 dans le sens horaire de la figure 7 à la figure 6. Dans ce cas, l'embout 36 du câble C suit le pivotement du bras 47 du levier de condamnation 41, car il est rappelé par l'élasticité propre du câble C dans sa position de repos illustrée sur la figure 6.When the user wishes to return to the position of FIG. 6, it activates one of the aforementioned control means to rotate the locking lever 41 clockwise from Figure 7 to Figure 6. In this case, the end piece 36 of the cable C follows the pivoting of the arm 47 of the locking lever 41, because it is recalled by the own elasticity of the cable C in its rest position illustrated in FIG. 6.

On va maintenant décrire le passage de la serrure de sa position fermée décondamnée illustrée à la figure 6 à sa position ouverte, grâce au dispositif électrique d'assistance à l'ouverture, sur la figure 8. Ainsi, lorsque l'utilisateur saisit la poignée extérieure de portière et l'actionne légèrement, le câble C se déplace sur une faible course, comme illustré entre les figures 6 et 8. En fin de course d'actionnement du câble C, l'embout 36 du câble vient au plus au contact avec la fourchette 35 du levier de secours, sans actionner ce dernier. Le curseur 37 qui est solidaire du câble C se déplace d'une course correspondante et vient escamoter le bouton 60a du contacteur 60. Etant donné que l'alimentation générale du véhicule aura été préalablement mise sous tension par le système de reconnaissance, le contacteur 60 peut envoyer un signal de commande d'ouverture au moteur électrique 16 qui entraíne la rotation de la roue 22 dans le sens horaire. Au cours de la rotation de la roue 22, le maneton 24 vient en appui contre le bras 11b du levier de commande 11 et le repousse, de façon à faire pivoter le levier de commande 11 dans le sens anti-horaire sur la figure 5. Le maneton 24 repousse le bras 11b du levier de commande 11 jusqu'à ce que le doigt 23a vienne en appui contre la butée élastique de fin de course 27.We will now describe the passage of the lock from its unlocked closed position illustrated in FIG. 6 to its open position, thanks to the electric device for assisting the opening, in FIG. 8. Thus, when the user grasps the handle outside of the door and actuates it slightly, the cable C moves over a short stroke, as illustrated between FIGS. 6 and 8. At the end of the actuation stroke of the cable C, the end piece 36 of the cable comes into contact at most with the fork 35 of the emergency lever, without actuating the latter. The cursor 37 which is integral with the cable C moves with a corresponding stroke and retracts the button 60 a of the contactor 60. Since the general power supply of the vehicle will have been previously energized by the recognition system, the contactor 60 can send an opening control signal to the electric motor 16 which causes the rotation of the wheel 22 clockwise. During the rotation of the wheel 22, the crank pin 24 bears against the arm 11b of the control lever 11 and pushes it back, so as to rotate the control lever 11 counterclockwise in FIG. 5 The crank pin 24 pushes the arm 11 b of the control lever 11 until the finger 23 a comes to bear against the elastic end-of-travel stop 27.

Le pivotement du levier de commande 11 entraíne le pivotement du levier d'ouverture extérieure 9 dans le compartiment de rétention 3, dans le sens horaire sur la figure 4. Lors de son pivotement, le levier d'ouverture extérieure 9 vient repousser par son bras 9a le doigt 5a du cliquet 5 pour faire pivoter dans le sens anti-horaire le cliquet 5 qui libère ainsi le pêne 4 qui peut pivoter, à son tour, dans le sens anti-horaire pour libérer la gâche.The pivoting of the control lever 11 causes the pivoting of the external opening lever 9 in the retention compartment 3, clockwise in FIG. 4. When it is pivoted, the external opening lever 9 is pushed back by its arm 9 has the finger 5 has the pawl 5 to rotate anti-clockwise the pawl 5 which thus releases the bolt 4 which can pivot, in turn, anti-clockwise to release the keeper.

Lorsque le doigt 23a vient en appui contre la butée 27, le cliquet 5 aura libéré le pêne 4.When the finger 23 a comes to bear against the stop 27, the pawl 5 will have released the bolt 4.

Le couple d'entraínement exercé par moteur 16 sera maintenu pendant une durée déterminée par une temporisation, pour assurer que le maneton 24 entraíne bien le pivotement du levier de commande 11. Dès que l'entraínement par le moteur 16 s'arrête, la vis sans fin 19 sera rappelée en rotation en sens inverse, par un ressort en spirale (non représenté), pour ramener la roue 22 et donc, les manetons 24 et 25 dans leurs positions initiales, pour permettre une ouverture ultérieure. Le ressort en spirale est lié à la vis sans fin 19 et s'enroule lors de l'entraínement par le moteur 16. Avantageusement, le ressort de rappel en spirale pour la vis sans fin 19 est agencé dans le palier 20. Dans cette configuration, le levier de commande 11 revient dans sa position de repos sous l'action d'un ressort de rappel non représenté.The drive torque exerted by motor 16 will be maintained for a period of time determined by a time delay, to ensure that the crank pin 24 causes the pivoting of the control lever 11. As soon as the drive by the motor 16 stops, the worm 19 will be returned in opposite direction by a spiral spring (not shown), to bring back the wheel 22 and therefore, the crankpins 24 and 25 in their initial positions, to allow later opening. The spiral spring is linked to the worm 19 and is wound up during driven by the motor 16. Advantageously, the return spring in spiral for the worm 19 is arranged in the bearing 20. In this configuration, the control lever 11 returns to its position rest under the action of a return spring not shown.

En se référant à nouveau à la figure 4, lorsque le pêne 4 pivote dans le sens anti-horaire pour libérer la gâche, le pion suiveur de came 13a du levier 13 suit le profil de came 4a du pêne 4, ce qui provoque le pivotement du levier 13 dans le sens horaire sur la figure 4. Sensiblement en fin de course de pivotement du pêne 4, le pion 13a du levier 13 vient repousser le bouton 14a du contacteur de portière ouverte 14 pour signaler à une unité centrale de traitement l'ouverture de la portière. Le pivotement du levier 13 entraíne le pivotement simultané du bras 54 dans le compartiment de cinématique 15 dans le sens anti-horaire, comme représenté sur la figure 8, pour amener le bras 54 de ce levier en contact avec la butée 49 du levier de condamnation 41. Referring again to Figure 4, when the bolt 4 is pivoted in the counterclockwise direction to release the latch, the cam follower pin 13a of the lever 13 follows the cam profile 4a of the bolt 4, which causes the pivoting of the lever 13 clockwise in FIG. 4. Noticeably at the end of the pivoting stroke of the bolt 4, the pin 13 a of the lever 13 pushes the button 14 a of the open door switch 14 to signal to a central unit door opening treatment. The pivoting of the lever 13 causes the simultaneous pivoting of the arm 54 in the kinematics compartment 15 counterclockwise, as shown in Figure 8, to bring the arm 54 of this lever in contact with the stop 49 of the locking lever 41.

Ainsi, il n'est pas possible de condamner la serrure, alors que la portière est ouverte, car tout pivotement du levier de condamnation 41 dans le sens anti-horaire est empêché par le bras 54 qui est bloqué en position par le levier 13 dont le pion suiveur de came 13a est en appui contre le profil de came 4a du pêne 4.Thus, it is not possible to lock the lock, while the door is open, because any pivoting of the locking lever 41 in the counterclockwise direction is prevented by the arm 54 which is locked in position by the lever 13 whose the cam follower pin 13 a bears against the cam profile 4 a of the bolt 4.

Le dispositif électrique d'assistance à l'ouverture fonctionne de la même façon à partir de la position de la figure 7, dans laquelle la serrure est dans son état fermé et mécaniquement condamné. A cet effet, l'utilisateur autorisé portant un badge muni d'un émetteur pour émettre un signal codé déterminé, s'approche du véhicule qui est muni d'un système de reconnaissance comportant un récepteur apte à décoder le signal et à mettre sous tension l'alimentation électrique du véhicule, lorsque l'utilisateur autorisé a été dûment identifié. Lorsque l'utilisateur tire sur le câble C sur une faible course pour déclencher l'émission d'un signal de commande d'ouverture par le contacteur 60, le moteur électrique 16 provoque l'ouverture de la serrure, et le pêne 4 par son profil de came 4a provoque le pivotement dans le sens anti-horaire du bras 54 pour repousser le pion de butée 49 du levier de condamnation 41, en faisant pivoter ce dernier dans le sens horaire, pour l'amener dans une position décondamnée. Autrement dit, à partir de la figure 6 ou de la figure 7, on aboutit à une même position représentée sur la figure 8, lorsque le dispositif d'assistance à l'ouverture est activé. On obtient ainsi une décondamnation automatique à l'ouverture, lors de l'actionnement du moyen de commande extérieure. Ceci est rendu possible par le fait que l'on a dissocié les deux chaínes cinématiques du mécanisme d'ouverture et du mécanisme de condamnation.The electric opening assistance device works in the same way from the position of FIG. 7, in which the lock is in its closed state and mechanically locked. To this end, the authorized user wearing a badge provided with a transmitter for transmitting a determined coded signal, approaches the vehicle which is provided with a recognition system comprising a receiver capable of decoding the signal and turning on the power the vehicle's power supply, when the authorized user has been duly identified. When the user pulls on the cable C over a short stroke to trigger the emission of an opening control signal by the contactor 60, the electric motor 16 causes the lock to open, and the bolt 4 by its cam profile 4 a causes the arm 54 to pivot anti-clockwise to push the stop pin 49 of the locking lever 41, by pivoting the latter clockwise, to bring it into a unlocked position. In other words, from FIG. 6 or from FIG. 7, one arrives at the same position shown in FIG. 8, when the opening assistance device is activated. An automatic unlocking is thus obtained on opening, when the external control means are actuated. This is made possible by the fact that we have separated the two kinematic chains of the opening mechanism and the locking mechanism.

Le contacteur 60 envoie un signal de commande simultanément au moteur 16 et au moteur 52, pour provoquer simultanément l'assistance à l'ouverture de la porte et la décondamnation des autres portes.Contactor 60 sends a control signal simultaneously to the motor 16 and to the motor 52, to cause simultaneously assistance in opening the door and unlocking others doors.

Enfin, si le dispositif d'assistance à l'ouverture ne fonctionne pas, en raison d'une panne électrique ou d'une alimentation insuffisante de la batterie du véhicule, l'utilisateur peut ouvrir mécaniquement la serrure après l'avoir décondamnée mécaniquement, par exemple, par le barillet de serrure, en tirant sur le câble C sur une surcourse, pour entraíner grâce à l'embout 36 la fourchette 35 du levier de secours 32 qui pivote dans le sens horaire sur la figure 9 et vient repousser par la patte recourbée 31 de son bras opposé le pion 30 du levier de commande 11, pour le faire pivoter dans le sens anti-horaire, ce qui entraíne le pivotement du levier d'ouverture extérieure 9, et par suite, la libération du pêne. De la même manière, le bras 54 vient en contact avec la butée 49 du levier de condamnation 41, en raison de la coopération entre le profil de came 4a du pêne 4 et du pion suiveur de came 13a du levier 13.Finally, if the opening assistance device does not work, due to an electrical failure or insufficient supply of the vehicle battery, the user can mechanically open the lock after having unlocked it mechanically, for example, by the lock barrel, by pulling on the cable C on an overtravel, to drive through the end piece 36 the fork 35 of the emergency lever 32 which pivots clockwise in Figure 9 and repels by the curved tab 31 of its arm opposite the pin 30 of the control lever 11, to rotate it counterclockwise, which causes the pivoting of the external opening lever 9, and therefore, the release of the bolt. Similarly, the arm 54 comes into contact with the stop 49 of the locking lever 41, due to cooperation between the cam 4a of the bolt 4 and the cam follower pin 13a of the lever 13.

Il est à noter que le maneton 25 représenté sur la figure 5 ne présente pas ici d'utilité particulière.It should be noted that the crank pin 25 shown in Figure 5 does not present no particular utility here.

Le moteur électrique 52 est réversible, afin de faire pivoter le levier de condamnation 41 dans les deux sens, pour l'amener respectivement dans sa position condamnée ou décondamnée.The electric motor 52 is reversible, in order to rotate the locking lever 41 in both directions, to bring it respectively in its condemned or unlocked position.

L'arbre moteur 51 du moteur électrique 52 a son axe de rotation parallèle à l'axe de pivotement du levier de condamnation 41, alors que l'arbre moteur du moteur électrique 16 a son axe de rotation perpendiculaire à l'axe du levier d'ouverture 9.The motor shaft 51 of the electric motor 52 has its axis of rotation parallel to the pivot axis of the locking lever 41, while the motor shaft of the electric motor 16 has its axis of rotation perpendicular to the axis of the opening lever 9.

Bien que l'invention ait été décrite en liaison avec un mode de réalisation particulier, il est bien évident qu'elle n'y est nullement limitée et qu'elle comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention.Although the invention has been described in connection with a mode of particular achievement, it is obvious that it is by no means limited and that it includes all the technical equivalents of the means described as well as their combinations if these fall within the scope of the invention.

Claims (10)

  1. Electric lock for a motor vehicle door comprising a lock housing (B), of which a first compartment (3) known as the retaining compartment contains a latch (4) able to hold a striker and a pawl (5) for immobilizing the latch in the position in wh ich it retains the striker, and of which a second compartment (15) known as the dynamic compartment contains, in a sealed manner, a locking mechanism comprising a locking lever (41) able to place the lock in the locked/unlocked position, characterized in t hat the second compartment also contains, in a sealed fashion, an opening mechanism comprising an electric motor (16) to provide assistance with opening, and that, in the second, dynamic, compartment (15), the electric motor (16) is able to drive, in rotation, via a set of gears (17-19), a gearwheel (22) equipped with at least one radially eccentric wrist pin (24), the said wrist pin being intended, as the toothed wheel (22) rotates, to drive a control lever (11) of the second compartment (15) until a peg o r finger (23 a), radially eccentric on the said toothed wheel (22) comes into contact with an end-of-opening-travel elastic stop (27), the electrical supply to the motor being timed for long enough, for example 100 ms to make sure that the said peg reaches the elastic stop, the said control lever (11) rotating as one with an opening lever (9) arranged in the first, retaining, compartment (3) and able to collaborate with the pawl (5) to move it into the position of releasing the latch (4).
  2. Lock according to Claim 1, characterized in that the set of gears comprising a first pinion (17) secured to the drive shaft of the electric motor (16), and meshing with a second pinion (18) secured to a worm (19) which meshes peripherally with the toothed wheel (22), the said worm being connected to a spiral return spring which is intended to cause the worm to rotate in the opposite direction when the supply to the motor is stopped, thus causing the wrist pin (24) of the toothed wheel (22) to return to its initial position.
  3. Lock according to Claim 1 or 2, characterized in that the locking mechanism comprises a reversible second electric motor (52) for assisting with locking/unlocking the lock, the drive shaft (51) of the second electric motor being equipped with a pini on (50) meshing with a toothed sector (48) of the locking lever (41).
  4. Lock according to one of Claims 1 to 3, characterized in that the electric motor (16) for assistance with opening is intended to drive the opening lever (9) in response to a control signal emitted by an external opening contact switch (60) when an external control means, such as a door exterior handle or paddle handle is actuated by a user.
  5. Lock according to Claim 4, characterized in that it comprises a mechanical external connect ing means (C) an external portion of which is intended to be connected to the external control means and an internal other portion of which extends into the sealed second compartment (15) of the lock, the said external opening contact switch (60) being arr anged in the said sealed second compartment in the path of the said interior portion of the mechanical external connection means (C), so as to emit an external opening control signal when the mechanical connecting means is moved over a determined opening t ravel upon actuation of the external control means.
  6. Lock according to one of Claims 1 to 5, characterized in that the locking lever (41) has three arms, a first arm (47) for placing a mechanical means (C) of connection to an external control means in a locked or unlocked position, a second arm (43) for possible connection with a lock cylinder, and a third arm (45) for possible connection to an internal member for operating the door.
  7. Lock according to one of Claims 1 to 6, characterized in that the opening mechanism comprises a backup lever (32) for mechanical opening, in the event of an electrical fault or failure of the vehicle battery, this back up lever comprising a first branch (31) intended to collaborate with a peg (30) projecting from the co ntrol lever (11) and a second branch (34) intended to collaborate with a mechanical means (C) of. connection to an external control means, when the lock is in the unlocked position.
  8. Lock according to one of Claims 1 to 7, characterized in that it comprises a means of automatic unlocking upon opening, comprising a first lever (13) equipped with a cam follower element (13 a) arranged in the first, retaining, compartment (3) to collaborate with a cam profile (4 a) provided on the latch (4), and a second lever (54) arranged in the sealed second compartment (15) and able to collaborate with a stop (49) provided on the locking lever (41) so that as the latch rotates into its open position, the cam profile drives a movement of the cam follower element and, consequently, of the second lever (54) which rotates as one with the first lever (13) so as automatically to bring the locking lever (41) into its unlocked position.
  9. Lock according to Claim 8, characterized in that the second lever (54) of the means of autom atic unlocking upon opening is able, when the latch is in the open position, to block the stop (49) of the locking lever (41) so as to prevent the lock from being locked in the door-open position.
  10. Lock according to one of Claims 1 to 9, characterized in that the pawl (5) is connected to an internal control means such as an internal door handle or paddle handle, via a mechanical connecting means, such as a cable or a linkage, to bring the pawl into a position in which the latch (4) is released.
EP99402219A 1998-09-21 1999-09-09 Improved electric lock for a motor vehicle door Expired - Lifetime EP0989264B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9811741 1998-09-21
FR9811741A FR2783551B1 (en) 1998-09-21 1998-09-21 IMPROVED ELECTRIC LOCK FOR A MOTOR VEHICLE DOOR

Publications (2)

Publication Number Publication Date
EP0989264A1 EP0989264A1 (en) 2000-03-29
EP0989264B1 true EP0989264B1 (en) 2003-07-02

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EP99402219A Expired - Lifetime EP0989264B1 (en) 1998-09-21 1999-09-09 Improved electric lock for a motor vehicle door

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US (1) US6349983B1 (en)
EP (1) EP0989264B1 (en)
DE (1) DE69909204T2 (en)
ES (1) ES2203032T3 (en)
FR (1) FR2783551B1 (en)

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Also Published As

Publication number Publication date
FR2783551B1 (en) 2000-11-17
FR2783551A1 (en) 2000-03-24
ES2203032T3 (en) 2004-04-01
DE69909204T2 (en) 2004-05-27
US6349983B1 (en) 2002-02-26
DE69909204D1 (en) 2003-08-07
EP0989264A1 (en) 2000-03-29

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