EP0213993B1 - Actuating device for a vehicle door lock - Google Patents

Actuating device for a vehicle door lock Download PDF

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Publication number
EP0213993B1
EP0213993B1 EP86401591A EP86401591A EP0213993B1 EP 0213993 B1 EP0213993 B1 EP 0213993B1 EP 86401591 A EP86401591 A EP 86401591A EP 86401591 A EP86401591 A EP 86401591A EP 0213993 B1 EP0213993 B1 EP 0213993B1
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EP
European Patent Office
Prior art keywords
ramp
stud
cam
carriage
nut
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
Application number
EP86401591A
Other languages
German (de)
French (fr)
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EP0213993A1 (en
Inventor
Pierre Periou
Richard Grandjean
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Rockwell-CIM
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Rockwell-CIM
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Publication date
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Publication of EP0213993A1 publication Critical patent/EP0213993A1/en
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Publication of EP0213993B1 publication Critical patent/EP0213993B1/en
Expired 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
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/25—Actuators mounted separately from the lock and controlling the lock functions through mechanical connections
    • 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
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
    • Y10T74/18592—Auxiliary drive [e.g., fluid piston, etc.] for load

Definitions

  • the present invention relates to a locking actuator for vehicle door lock, of the reversible type comprising an electric motor driving a screw cooperating with a nut, these elements being housed in a housing.
  • a locking actuator for vehicle door lock of the reversible type comprising an electric motor driving a screw cooperating with a nut, these elements being housed in a housing.
  • Such an actuator is known from FR-A-2333923.
  • Reversible or disengageable locking actuators are known, fixed on the lock or on the door, acting directly or by means of a rod on the locking lever of the lock, itself operable by a frieze pull (control internal locking) and by the external lock (mechanical emergency).
  • the object of the invention is to propose an actuator fulfilling the anti-theft function and in which the above drawbacks are eliminated.
  • the electric motor 2 drives the screw 3 in one direction or the other by means of a pinion 14a engaged with a toothed wheel 14b secured to the screw 3, on which the carriage 4 slides freely.
  • the cam 13 can remain in equilibrium in the position where the combined action of the stud 8 and any of the aforementioned ramps has led it, by means not shown in the embodiment of Figures 1 to 3, which can be simply the friction of the cam 13 on the walls of the housing 1.
  • the carriage 4 is equipped, at its end, contiguous to the toothed wheel 14b and which faces the spring 7, with a heel 16 which can cooperate with the shoe 15 to lock the carriage 4 in the electric locking position of the lock.
  • the control endpiece 5 is in the unlocked position y, the cam 13 being in the low position ( Figures 1, 2 and 2k) with the shoe 15 in the lowered position 15a.
  • the stud 8 is placed towards the front, that is to say towards the right in the Figures, by sliding support on the ramp 19.
  • the motor 1, supplied in the desired direction causes, through the pinion 14a of the toothed wheel 14b and the screw 3, the translation of the nut 6 backwards, that is to say towards the toothed wheel 14b.
  • the nut 6 thus drives, by means of the spring 7, the free end of which bears on the carriage 4, the latter, and consequently the lock from the unlocked position y to the position x, the stud 8 entering. contact by its face 8c with the ramp 9 ( Figure 2a).
  • the nut 6 continues its race, compressing the spring 7 until it comes up against the carriage 4.
  • the sliding of the stud 8 on the ramp 9 forces the cam 13 to execute a first vertical translation upwards (FIG. 2b).
  • the spring 7 bearing on the carriage 4 pushes the nut 6 forward (in the direction of arrow D), thanks to the reversibility of the assembly.
  • the stud 8 leaves the ramp 9 to attack by its 8th face the ramp 10a, thereby causing a second translation upwards of the cam 13 ( Figures 2c and 2d), the shoe 15 of which comes into position 15b below the heel 16 ( Figure 2).
  • the assembly is then in equilibrium in the locked position, ready for any of the following operations: electrical locking, electrical unlocking, manual unlocking.
  • the assembly is in equilibrium in the unlocked position, ready for one of the following functions: electrical locking, manual locking.
  • FIGS. 3a, 31 show a second embodiment of the stud of the nut 6 as well as of the second central ramp 10.
  • the protrusions 21, 22 thus respectively present two superposed horizontal faces 21a, 21b and 22a, 22b, joined by two faces of opposite inclinations, respectively 21c, 21d and 22c, 22d, profiled to allow the sliding of the nipple thereon 24.
  • the latter consists of two parts, namely a first part 25 profiled in a similar manner to the stud 8 of the previous embodiment, and a second part consisting of a finger 26 (Figure 5) projecting from part 25, which has a first series of faces having the same inclination as the first 9, third 11 and fourth ramps 12, while the second series of faces is formed on the finger 26 and adapted to slide on the protuberances 21, 22 in correspondence, constituting the second ramp.
  • the finger 26 is thus provided with two horizontal faces 26a, 26b joined by four inclined V-shaped faces.
  • the operating cycle 3a ... 31 is similar to that illustrated in FIGS. 2a to 21, but also allows, thanks to the features described above, the immobilization of the cam 23 in the locked position (Figure 3d) thanks to the interposition of the finger 26 between the protrusions 21, 22 on which it is supported by its upper and lower faces 26a, 26b, in the locked position ( Figure 3g) in which the finger 26 is located under the protuberance 22 with which it is in contact by its upper face 26a, and in the unlocked position (Figure 3k) in which the part 25 is in contact with the ramp 19. It is therefore understood that the protrusions 21, 22 and the profiled finger 26 prevent the cam 23 from moving outside of those caused by the action of the nipple 24.
  • the arrangement of the ramps of the cam 23 allows the system to function, in particular the locking of the heel 16 by the shoe 15, for a locked position x of the carriage 4 variable within a range of a few millimeters. This allows a less precise positioning of the actuator on the lock (positions x and y being defined by the stops of the inner locking lever on the lock and not by the actuator).
  • the third embodiment of the actuator illustrated in Figure 4 allows the combination of the states “locking •,” unlocking •, “locking and” unlocking in a sequence different from that described above, in order to meet other functional requirements who can show up.
  • the first ramp 28 and the third ramp 29 are similar to the ramps 9 and 11 of Figures 3a-31 and in the same way, connected together by a step 31 delimiting between these two ramps a recess 32 arranged to receive the stud 24, which is identical to that of FIGS. 3a-31.
  • the fourth ramp 33 formed on the side of the control endpiece 5, has a geometry similar to that of the profile of the elements 28, 31, 32, 29, but reversed, that is to say that it has a lower part 34 similar to the ramp 28, arranged at the level of the shoe 15 and the third ramp 29, a recess 35 corresponding to the recess 32, an upper step 36 corresponding to the step 31, an upper ramp 37 corresponding to the ramp 29 with the same inclination, and finally a horizontal terminal ramp 38.
  • the protrusions 21, 22 are here replaced by two identical lugs 39, 41, separated by a gap allowing the passage of the stud 24, and having respectively two parallel horizontal faces 39a, 39b, 41a, 41b and two parallel lateral faces 39c, 39d, 41 c, 41 d.
  • the faces 39c and 41c have the same inclination as the corresponding profiled faces of the finger 26 and have inclinations respectively opposite to those of the facing ramps 28, 29 and 34, 37.
  • the actuator is equipped with a second spring (not shown), similar to spring 7 and interposed between the nut 6 and the end of the carriage 4 opposite to that on which the spring 7 can act.
  • the path which can be followed by the stud 24 and its finger 26 in the cam 27 by successive pulses given to the motor 2, is symbolized by the arrowed circuit, on which the successive pulses of the motor and the displacements caused by the reminders of the two springs are referenced as follows: the path parts provided with single arrows M1 are taken by a first motor pulse, the path parts carrying double arrows M2 are taken after a second pulse in the same direction of the motor, the parts provided with a simple arrow referenced R1 are traversed under the action of the first return spring 7, the part referenced R3 is followed by action of the second return spring, the references M4 and M5 indicate the path traveled by the stud 24 from its locked position C to its unlocking position D without passing through the locking position V.
  • CR1 is the stroke of the return spring 7
  • CR2 is the stroke of the second return spring.
  • ⁇ x is the variation on the locked position x of the carriage 4 relative to the cam 27, it is therefore equal to the maximum value of the clearance J between the heel 16 of the carriage 4 and the shoe 15 of the cam ( Figures 2 and 3) . This variation ⁇ x corresponding to the variation in positioning of the actuator on the lock.
  • Locking-unlocking Starting from unlocked position D, we give an impulse M1 to the motor to move the stud 24 backwards until it slides on the first ramp 28 then to a position P between the bottom of the housing 32, where the center of the stud occupies position P2 and position P1. After cutting off the power supply to the motor, the spring 7 recalls the stud 24 (path R1) to the locked position C between C1 and C2, in which the stud 24 is stopped between the lugs 39, 41, on which s press his finger 26. If we then want to return to unlocked position D, we give a second pulse M4 to the motor in the opposite direction to the previous one, and the stud 24 follows the path M4, M5, between the lug 39 and the ramp 37 on which it slides to position D.
  • the motor is given a second pulse M2 in the same direction as the previous one, M1, so that the stud 24 slides on the ramp 29 to a point P1 between P3 and P4, thus lifting the cam 27 to its locking position of the carriage 4.
  • the spring 7 recalls the stud 24 in its locked position V (between V1 and V2) under the lug 41, making it follow path R2, the spring 7 performing the stroke CR1.
  • Unlocking (return to locked position): Starting from the locking position V obtained, the motor is given a first pulse M3 in the direction which causes the pin 24 to slide on the ramp 34, until it comes to place itself in the housing 35. At the same time, the nut 6 via the second spring pushes the carriage 4 in the unlocking direction, materialized by the arrow D, until the heel 16 of the carriage 4 comes in stop on the shoe 15 of the cam 27, thus reducing the clearance J to zero ( Figures 2 and 3). After cutting off the power supply to the engine, the second spring returns the nut 6 and the stud 24 to the locked position C2 corresponding to the locked position x of the carriage 4 that is most extended.
  • a second pulse M4, M5 given to the motor in the same direction drives the stud 24 to the ramp 37 on which it slides, which causes the cam 27 to lower until the stud 24 arrives on the upper ramp 38, in the unlocked position D.

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  • Lock And Its Accessories (AREA)
  • Transmission Devices (AREA)

Description

La présente invention a pour objet un actionneur de condamnation pour serrure de porte de véhicule, de type réversible comprenant un moteur électrique entraînant une vis coopérant avec un écrou, ces éléments étant logés dans un boîtier. Un tel actionneur est connu du FR-A-2333923.The present invention relates to a locking actuator for vehicle door lock, of the reversible type comprising an electric motor driving a screw cooperating with a nut, these elements being housed in a housing. Such an actuator is known from FR-A-2333923.

On connaît des actionneurs de condamnation réversibles ou débrayables, fixés sur la serrure ou sur la porte, agissant directement ou par l'intermédiaire d'une tringle sur le levier de condamnation de la serrure, lui-même manœuvrable par une tirette de frise (commande de condamnation intérieure) et par le verrou extérieur (secours mécanique).Reversible or disengageable locking actuators are known, fixed on the lock or on the door, acting directly or by means of a rod on the locking lever of the lock, itself operable by a frieze pull (control internal locking) and by the external lock (mechanical emergency).

Ces systèmes permettent d'une part, la condamnation-décondamnation électrique de la serrure par l'actionneur, et d'autre part la condamnation-décondamnation manuelle par la tirette de frise ou le verrou extérieur. Ils ont pour inconvénient le fait qu'ils permettent une décondamnation par crochetage du levier de condamnation de la serrure ou par action sur le bouton de frise après bris ou contournement d'une vitre de porte par exemple, de sorte qu'ils n'assurent pas une fonction d'antivol.These systems allow on the one hand, the electric locking-unlocking of the lock by the actuator, and on the other hand the manual locking-unlocking by the frieze pull or the external lock. They have the disadvantage that they allow unlocking by hooking the locking lever of the lock or by acting on the frieze button after breaking or bypassing a door window for example, so that they do not provide not an anti-theft function.

On connaît également un actionneur assurant une fonction antivol, tel que celui décrit par le brevet français 2 452 563. Cet actionneur débraya- ble présente deux inconvénients pour détecter la position condamnée, il nécessite un contacteur électrique au moins par appareil, et son encombrement est excessif compte tenu de la place disponible.There is also known an actuator providing an anti-theft function, such as that described by French patent 2,452,563. This disengageable actuator has two drawbacks for detecting the locked position, it requires an electrical contactor at least per device, and its size is excessive given the space available.

L'invention a pour but de proposer un actionneur remplissant la fonction antivol et dans lequel les inconvénients ci-dessus sont éliminés.The object of the invention is to propose an actuator fulfilling the anti-theft function and in which the above drawbacks are eliminated.

Suivant l'invention, l'actionneur de condamnation est caractérisé en ce que :

  • a) le moteur électrique peut entraîner en rotation la vis qui appartient à un système vis-écrou réversible sur laquelle est monté un chariot librement coulissant et lié mécaniquement à un levier de condamnation de la serrure ;
  • b) l'écrou est monté sur la vis à l'intérieur du chariot, fixe en rotation par guidage dans le chariot, et muni, d'une part d'un organe élastique à effort parallèle à l'axe de la vis, cet organe étant susceptible d'être comprimé entre le chariot et la vis pour rappeler l'écrou lorsque cet organe est comprimé, d'autre part d'un téton adapté pour pouvoir coopérer avec des rampes formées sur une came déplaçable verticalement dans le boîtier par les mouvements de translation de l'écrou et de son téton de commande de la came ;
  • c) cette came est pourvue d'un sabot susceptible de verrouiller le chariot en position condamnée électriquement, lorsqu'elle a été déplacée dans sa position la plus haute par le téton glissant sur lesdites rampes, interdisant ainsi tout décondamnation manuelle de la serrure.
  • On comprend donc que la combinaison du téton de l'écrou, de la came et de son sabot avec le chariot permet à l'actionneur d'assurer, outre les fonctions de condamnation et décondamnation électriques et manuelles de la serrure, l'immobilisation par verrouillage du chariot de commande en position condamnée, interdisant toute décondamnation manuelle de la serrure. La fonction antivol est ainsi assurée, l'actionnement de ce dispositif tant dans le sens verrouillage que dans le sens déverrouillage du chariot ne pouvant être commandé qu'électriquement, soit par une manoeuvre spéciale au niveau du système de commande, soit à l'aide de moyens spécifiques tels qu'une commande à distance par exemple.
According to the invention, the locking actuator is characterized in that:
  • a) the electric motor can drive in rotation the screw which belongs to a reversible screw-nut system on which is mounted a freely sliding carriage and mechanically linked to a locking lever of the lock;
  • b) the nut is mounted on the screw inside the carriage, fixed in rotation by guidance in the carriage, and provided, on the one hand, with an elastic member with force parallel to the axis of the screw, this member capable of being compressed between the carriage and the screw to return the nut when this member is compressed, on the other hand of a stud adapted to be able to cooperate with ramps formed on a cam movable vertically in the housing by the translational movements of the nut and of its cam control stud;
  • c) this cam is provided with a shoe capable of locking the carriage in the electrically locked position, when it has been moved into its highest position by the stud sliding on said ramps, thus preventing any manual unlocking of the lock.
  • It is therefore understood that the combination of the stud of the nut, of the cam and of its shoe with the carriage allows the actuator to ensure, in addition to the electrical and manual locking and unlocking functions of the lock, immobilization by locking the control carriage in the locked position, preventing any manual unlocking of the lock. The anti-theft function is thus ensured, the actuation of this device both in the locking direction and in the unlocking direction of the carriage can only be controlled electrically, either by a special operation at the level of the control system, or using specific means such as a remote control for example.

D'autres particularités et avantages de l'invention apparaîtront au cours de la description qui va suivre, faite en référence aux dessins annexés qui en illustrent plusieurs formes de réalisations à titre d'exemples non limitatifs :

  • - la Figure 1 est une vue en perspective avec arrachements d'un premier mode de réalisation de l'actionneur de condamnation selon l'invention ;
  • - la Figure 2 est une vue en élévation latérale partielle de l'actionneur de la Figure 1 ;
  • - la Figure 3 est une vue de dessus partielle de l'actionneur des Figures 1 et 2 représenté en position condamnée et verrouillée ;
  • - les Figures 2a, b, c, d, e, f, g, h, j, k, sont des vues en élévation schématiques partielles montrant les différentes positions relatives du téton de l'écrou et de la came durant un cycle de fonctionnement complet de l'actionneur des Figures 1 à 3 ;
  • - les Figures 3a, b, c, d, e, f, f', g, h, j, k, I sont des vues analogues aux Figures 2a à 21 illustrant un cycle de fonctionnement complet d'un actionneur suivant une seconde forme de réalisation du téton et de la came ;
  • - la Figure 4 est une vue en élévation à échelle agrandie d'une troisième forme de réalisation de la came de l'actionneur selon l'invention, avec des flèches indiquant les parcours susceptibles d'être empruntés par le téton dans cette came ;
  • - la Figure 5 représente une variante de réalisation du téton.
Other features and advantages of the invention will appear during the description which follows, given with reference to the appended drawings which illustrate several embodiments thereof by way of non-limiting examples:
  • - Figure 1 is a perspective view with cutaway of a first embodiment of the locking actuator according to the invention;
  • - Figure 2 is a partial side elevation view of the actuator of Figure 1;
  • - Figure 3 is a partial top view of the actuator of Figures 1 and 2 shown in the locked and locked position;
  • - Figures 2a, b, c, d, e, f, g, h, j, k, are partial schematic elevation views showing the different relative positions of the nipple of the nut and the cam during an operating cycle complete of the actuator of Figures 1 to 3;
  • - Figures 3a, b, c, d, e, f, f ', g, h, j, k, I are views similar to Figures 2a to 21 illustrating a complete operating cycle of an actuator in a second form making the stud and the cam;
  • - Figure 4 is an elevational view on an enlarged scale of a third embodiment of the actuator cam according to the invention, with arrows indicating the paths likely to be taken by the stud in this cam;
  • - Figure 5 shows an alternative embodiment of the stud.

L'actionneur représenté aux Figures 1 à 3 est destiné à assurer la condamnation-décondamnation d'une serrure de porte de véhicule et comprend les éléments suivants, logés dans un boîtier 1 :

  • a) un moteur électrique 2 pouvant entraîner en rotation une vis réversible 3 sur laquelle est monté un chariot 4 librement coulissant et lié mécaniquement par un embout de commande 5 à un levier non représenté de condamnation de la serrure ; les extrémités de la vis 3 tourillonnent dans les parois du boîtier 1, dont l'une est traversée par la tirette 5 solidaire du chariot 4 ;
  • b) un écrou 6 monté sur la vis 3 à l'intérieur du chariot 4, fixe en rotation par guidage à l'intérieur de ce dernier, par exemple au moyen d'une rainure non représentée du chariot 4 dans laquelle coulisse une glissière 6a de l'écrou 6. L'écrou 6 est muni, d'une part d'un organe élastique 7 constitué par exemple par un ressort hélicoïdal dont une extrémité est solidaire de l'écrou 6 et dont l'autre extrémité peut venir en appui contre l'extrémité du chariot opposée à l'embout de commande 5 en étant alors comprimé entre le chariot 4 et la vis 3 pour rappeler l'écrou 6 lorsque ce ressort 7 est comprimé ; d'autre part l'écrou 6 est muni d'un téton 8 adapté pour pouvoir coopérer avec des rampes 9, 10, 11, 12 d'une came 13 représentée en pointillés à la Figure 1, et qui est déplaçable verticalement dans le boîtier 1 par les mouvements de translation de l'écrou 6 et de son téton 8 de commande de la came 13 ;
  • c) cette came 13 étant pourvue d'un sabot 15 susceptible de verrouiller le chariot 4 en position condamnée électriquement lorsqu'elle a été déplacée dans sa position la plus haute par le téton 8 glissant sur lesdites rampes 9, 10, 11, 12, interdisant ainsi toute décondamnation manuelle de la serrure.
The actuator shown in Figures 1 to 3 is intended to secure the unlocking of a vehicle door lock and comprises the following elements, housed in a housing 1:
  • a) an electric motor 2 capable of rotating a reversible screw 3 on which is mounted a carriage 4 which is freely sliding and mechanically linked by a control end piece 5 to a lever (not shown) for locking the lock; the ends of the screw 3 revolve in the walls of the housing 1, one of which is crossed by the pull tab 5 secured to the carriage 4;
  • b) a nut 6 mounted on the screw 3 inside the carriage 4, fixed in rotation by guidance inside the latter, for example by means of a not shown groove of the carriage 4 in which slides a slide 6a of the nut 6. The nut 6 is provided, on the one hand with an elastic member 7 constituted for example by a helical spring, one end of which is integral with the nut 6 and the other end of which can bear against the end of the carriage opposite the control endpiece 5 while being compressed between the carriage 4 and the screw 3 to recall the nut 6 when this spring 7 is compressed ; on the other hand the nut 6 is provided with a stud 8 adapted to be able to cooperate with ramps 9, 10, 11, 12 of a cam 13 shown in dotted lines in Figure 1, and which is vertically movable in the housing 1 by the translational movements of the nut 6 and its stud 8 for controlling the cam 13;
  • c) this cam 13 being provided with a shoe 15 capable of locking the carriage 4 in the electrically locked position when it has been moved to its highest position by the stud 8 sliding on said ramps 9, 10, 11, 12, thus prohibiting any manual unlocking of the lock.

Le moteur électrique 2 entraîne la vis 3 dans un sens ou dans l'autre par l'intermédiaire d'un pignon 14a en prise avec une roue dentée 14b solidaire de la vis 3, sur laquelle le chariot 4 coulisse librement. La came 13 peut rester en équilibre dans la position où l'action combinée du téton 8 et de l'une quelconque des rampes précitées l'a conduite, par des moyens non représentés dans la réalisation des Figures 1 à 3, qui peuvent être simplement le frottement de la came 13 sur les parois du boîtier 1.The electric motor 2 drives the screw 3 in one direction or the other by means of a pinion 14a engaged with a toothed wheel 14b secured to the screw 3, on which the carriage 4 slides freely. The cam 13 can remain in equilibrium in the position where the combined action of the stud 8 and any of the aforementioned ramps has led it, by means not shown in the embodiment of Figures 1 to 3, which can be simply the friction of the cam 13 on the walls of the housing 1.

Le chariot 4 est équipé, à son extrémité, contiguë à la roue dentée 14b et qui fait face au ressort 7, d'un talon 16 pouvant coopérer avec le sabot 15 pour verrouiller le chariot 4 en position de condamnation électrique de la serrure.The carriage 4 is equipped, at its end, contiguous to the toothed wheel 14b and which faces the spring 7, with a heel 16 which can cooperate with the shoe 15 to lock the carriage 4 in the electric locking position of the lock.

La came 13 est pourvue des rampes suivantes :

  • a) une première rampe 9 inclinée dans la direction de la position décondamnée y (Figure 1) de l'embout de commande 5 et du levier de condamnation ; le téton 8 (Figure 2a) comporte lui-même deux faces horizontales superposées 8a, 8b, deux faces inclinées 8c, 8d reliant les faces 8a, 8b du côté de la rampe 9, et enfin deux faces inclinées 8e, 8f reliant les faces 8a, 8b du côté opposé. De ce fait, le téton 8 peut, lorsqu'il est entraîné vers la rampe 9 par le moteur 2 dans la direction de la position de condamnation x, glisser sur la rampe 9 par sa face inclinée 8c et ainsi soulever la came 13 en translation verticale, tandis que l'écrou 6 continue son déplacement en comprimant le ressort 7 contre le chariot 4 ;
  • b) la came 13 est pourvue d'une seconde rampe 10 formée sur une pièce 17 saillant intérieurement de la paroi du boîtier 1, et séparée de la première rampe 9 par un intervalle suffisant pour permettre le passage du téton 8 entre ces deux rampes 9, 10 pendant la translation verticale de la came 13 sous la poussée du téton 8. La rampe 10 se décompose en deux rampes 10a, 10b inclinées en V, la rampe 10a ayant la même inclinaison que la face 8e du téton afin de pouvoir coopérer avec celle-ci.
  • c) la came 13 comporte une troisième rampe 11 ayant la même inclinaison que la rampe 9 qu'elle prolonge et dont elle est séparée par un gradin 18 sensiblement horizontal, la rampe 11 étant donc inclinée comme la rampe 9 vers la direction de décondamnation du levier ;
  • d) la came 13 est munie d'une quatrième rampe 12, séparée de la seconde rampe 10 par un intervalle permettant le passage du téton 8 entre celles-ci, sensiblement parallèle à la première 9 et à la troisième rampe 11 mais inclinée vers la direction de condamnation, matérialisée par la flèche C sur la Figure 1. La quatrième rampe 12 est prolongée par une cinquième rampe 19 parallèle à la direction de déplacement CD du levier de condamnation-décondamnation, et sur laquelle le téton 8 peut venir glisser en position de décondamnation de la serrure (Figure 2k).
The cam 13 is provided with the following ramps:
  • a) a first ramp 9 inclined in the direction of the unlocked position y (Figure 1) of the control nozzle 5 and the locking lever; the stud 8 (Figure 2a) itself comprises two superimposed horizontal faces 8a, 8b, two inclined faces 8c, 8d connecting the faces 8a, 8b on the side of the ramp 9, and finally two inclined faces 8e, 8f connecting the faces 8a , 8b on the opposite side. Therefore, the stud 8 can, when driven towards the ramp 9 by the motor 2 in the direction of the locking position x, slide on the ramp 9 by its inclined face 8c and thus raise the cam 13 in translation vertical, while the nut 6 continues its movement by compressing the spring 7 against the carriage 4;
  • b) the cam 13 is provided with a second ramp 10 formed on a part 17 projecting internally from the wall of the housing 1, and separated from the first ramp 9 by an interval sufficient to allow the passage of the stud 8 between these two ramps 9 , 10 during the vertical translation of the cam 13 under the push of the stud 8. The ramp 10 is broken down into two ramps 10a, 10b inclined in V, the ramp 10a having the same inclination as the face 8e of the stud in order to be able to cooperate with this one.
  • c) the cam 13 has a third ramp 11 having the same inclination as the ramp 9 which it extends and from which it is separated by a substantially horizontal step 18, the ramp 11 therefore being inclined like the ramp 9 towards the unlocking direction of the the sink ;
  • d) the cam 13 is provided with a fourth ramp 12, separated from the second ramp 10 by an interval allowing the passage of the stud 8 between them, substantially parallel to the first 9 and to the third ramp 11 but inclined towards the locking direction, shown by arrow C in Figure 1. The fourth ramp 12 is extended by a fifth ramp 19 parallel to the direction of movement CD of the locking-unlocking lever, and on which the stud 8 can slide into position unlocking the lock (Figure 2k).

Le fonctionnement de l'actionneur qui vient d'être décrit est le suivant.The operation of the actuator which has just been described is as follows.

1) Condamnation électrique1) Electric condemnation

L'embout de commande 5 est en position décondamnée y, la came 13 étant en position basse (Figures 1, 2 et 2k) avec le sabot 15 en position abaissée 15a. Le téton 8 est placé vers l'avant, c'est-à-dire vers la droite sur les Figures, en appui glissant sur la rampe 19.The control endpiece 5 is in the unlocked position y, the cam 13 being in the low position (Figures 1, 2 and 2k) with the shoe 15 in the lowered position 15a. The stud 8 is placed towards the front, that is to say towards the right in the Figures, by sliding support on the ramp 19.

Le moteur 1, alimenté dans le sens voulu provoque, par l'intermédiaire du pignon 14a de la roue dentée 14b et de la vis 3, la translation de l'écrou 6 vers l'arrière, c'est-à-dire vers la roue dentée 14b. L'écrou 6 entraîne ainsi, par l'intermédiaire du ressort 7 dont l'extrémité libre vient en appui sur le chariot 4, ce dernier, et par conséquent la serrure de la position décondamnée y à la position x, le téton 8 entrant en contact par sa face 8c avec la rampe 9 (Figure 2a).The motor 1, supplied in the desired direction causes, through the pinion 14a of the toothed wheel 14b and the screw 3, the translation of the nut 6 backwards, that is to say towards the toothed wheel 14b. The nut 6 thus drives, by means of the spring 7, the free end of which bears on the carriage 4, the latter, and consequently the lock from the unlocked position y to the position x, the stud 8 entering. contact by its face 8c with the ramp 9 (Figure 2a).

L'écrou 6 continue sa course, comprimant le ressort 7 jusqu'à venir buter sur le chariot 4. Le glissement du téton 8 sur la rampe 9 oblige la came 13 à exécuter une première translation verticale vers le haut (Figure 2b). Une fois l'alimentation du moteur 2 coupée par des moyens électroniques connus en soi, le ressort 7 prenant appui sur le chariot 4 repousse l'écrou 6 vers l'avant (dans la direction de la flèche D), et ce grâce à la réversibilité de l'ensemble. Le téton 8 quitte la rampe 9 pour attaquer par sa face 8e la rampe 10a, provoquant ainsi une deuxième translation vers le haut de la came 13 (Figures 2c et 2d), dont le sabot 15 vient en position 15b au-dessous du talon 16 (Figure 2). L'ensemble est alors en équilibre en position condamnée, prêt pour l'une quelconque des opérations suivantes : verrouillage électrique, décondamnation électrique, décondamnation manuelle.The nut 6 continues its race, compressing the spring 7 until it comes up against the carriage 4. The sliding of the stud 8 on the ramp 9 forces the cam 13 to execute a first vertical translation upwards (FIG. 2b). Once the power to the motor 2 has been cut by electronic means known per se, the spring 7 bearing on the carriage 4 pushes the nut 6 forward (in the direction of arrow D), thanks to the reversibility of the assembly. The stud 8 leaves the ramp 9 to attack by its 8th face the ramp 10a, thereby causing a second translation upwards of the cam 13 (Figures 2c and 2d), the shoe 15 of which comes into position 15b below the heel 16 (Figure 2). The assembly is then in equilibrium in the locked position, ready for any of the following operations: electrical locking, electrical unlocking, manual unlocking.

2) Verrouillage électrique2) Electric lock

A partir de la position de la Figure 2d où la serrure est condamnée électriquement, une nouvelle impulsion donnée au moteur 2 dans le même sens provoque un nouveau recul de l'écrou 6 parallèle à la direction C de condamnation, et son téton 8 vient donc en contact par sa face 8c avec la rampe 11, ce qui provoque un nouveau glissement vers le haut de la came 13 (Figures 2e et 2f). La came 13 se déplace ainsi vers le haut d'une course suffisante pour verrouiller par son sabot 15 le talon 16 du chariot 4 (Figure 2 sur laquelle le sabot occupe la position 15c devant le talon 16, et Figure 3), ce qui interdit toute translation manuelle du chariot 4 et donc la décondamnation manuelle de la serrure, même après un bris éventuel des glaces du véhicule (Figure 2f).From the position of Figure 2d where the lock is electrically locked, a new impulse given to the motor 2 in the same direction causes a new recoil of the nut 6 parallel to the direction C of condemnation, and its stud 8 therefore comes into contact by its face 8c with the ramp 11, which causes a new sliding upwards of the cam 13 (Figures 2nd and 2f). The cam 13 thus moves upwards with a sufficient stroke to lock by its shoe 15 the heel 16 of the carriage 4 (Figure 2 on which the shoe occupies the position 15c in front of the heel 16, and Figure 3), which prohibits any manual translation of the carriage 4 and therefore manual unlocking of the lock, even after a possible breakage of the vehicle windows (Figure 2f).

Le moteur 2 n'étant plus sous tension, le ressort 7 ramène l'écrou 6 et son téton 8 dans leur position d'équilibre (Figure 2g), tandis que la came 13 continue à bloquer le chariot 4.As the motor 2 is no longer energized, the spring 7 returns the nut 6 and its stud 8 to their equilibrium position (FIG. 2g), while the cam 13 continues to block the carriage 4.

La seule phase suivante possible est alors le déverrouillage électrique.The only possible next phase is then the electrical unlocking.

3) Déverrouillage électrique3) Electric unlocking

A partir de la position verrouillée (Figure 2g), une nouvelle alimentation du moteur 2 dans le sens approprié pousse l'écrou 6 vers l'avant. Le téton 8 entre alors en contact par sa face inclinée 8f avec la rampe 12 (Figure 2h), obligeant de ce fait la came 13 à coulisser vers le bas dans la paroi du boîtier 1. Dans un premier temps, le sabot 15 libère donc le talon 16 et par conséquent le chariot 4, le sabot 15 venant prendre la position 15b (Figure 2), puis l'écrou 6 poursuivant sa course vers l'avant (Figure 2j), vient en appui sur le chariot 4 pour l'amener de la position condamnée x à la position décondamnée y, tandis que son téton 8 arrive par sa face inférieure 8b sur la rampe 19 (Figure 2k). La serrure est alors déverrouillée électriquement et en position décondamnée.From the locked position (Figure 2g), a new supply of the motor 2 in the appropriate direction pushes the nut 6 forwards. The stud 8 then comes into contact via its inclined face 8f with the ramp 12 (FIG. 2h), thereby forcing the cam 13 to slide downwards in the wall of the housing 1. First, the shoe 15 therefore releases the heel 16 and therefore the carriage 4, the shoe 15 coming to take the position 15b (Figure 2), then the nut 6 continuing its forward movement (Figure 2j), comes to bear on the carriage 4 for the bring from the condemned position x to the unlocked position y, while its nipple 8 arrives via its lower face 8b on the ramp 19 (Figure 2k). The lock is then electrically unlocked and in the unlocked position.

4) Décondamnation électrique4) Electric unlocking

On part alors de la position de l'actionneur illustrée à la Figure 2d, obtenue à la suite d'une condamnation électrique. L'écrou 6, entraîné vers l'avant dans le sens de la flèche D par le moteur 2, vient pousser le chariot 4 alors que le téton 8 est en contact avec la rampe 12 (Figure 2j). Le chariot 4 passe ainsi de la position condamnée x (Figure 2d) à la position décondamnée y (Figure 2k) pendant que la came 13 revient à sa position la plus basse. Après coupure de l'alimentation du moteur 2, l'ensemble est en équilibre en position décondamnée, prêt pour l'une des opérations suivantes : condamnation manuelle, condamnation électrique.We then start from the position of the actuator illustrated in Figure 2d, obtained following an electrical lockout. The nut 6, driven forward in the direction of arrow D by the motor 2, pushes the carriage 4 while the stud 8 is in contact with the ramp 12 (Figure 2j). The carriage 4 thus passes from the locked position x (Figure 2d) to the unlocked position y (Figure 2k) while the cam 13 returns to its lowest position. After switching off the power to motor 2, the assembly is in equilibrium in the unlocked position, ready for one of the following operations: manual locking, electric locking.

Il convient de remarquer que dans le cas d'une décondamnation électrique succédant à une condamnation manuelle, le processus est identique hormis les mouvements de la came 13, celle-ci étant restée en position basse lors de la condamnation (position de la Figure 21).It should be noted that in the case of an electrical unlocking succeeding a manual locking, the process is identical except for the movements of the cam 13, the latter having remained in the low position during the locking (position of Figure 21) .

5) Condamnation manuelle5) Manual conviction

A partir de la position décondamnée x (Figure 2k), il est possible de condamner manuellement la serrure en poussant la tirette de frise et donc l'embout de commande vers l'arrière, dans le sens de la flèche C. Le moteur 2 n'étant pas alimenté, on pousse alors le chariot 4 de la position y vers la position x, ce qui entraîne, du fait de la réversibilité de l'ensemble, l'écrou 6 vers l'arrière, sans que le téton 8 ait la moindre action sur la came 13 (Figure 21). L'ensemble est alors en équilibre en position condamnée manuellement, le téton 8 étant par sa face inférieure 8b en contact avec la face horizontale supérieure de la pièce 17, prêt pour l'une des opérations suivantes : verrouillage électrique (après condamnation électrique), décondamnation électrique, décondamnation manuelle.From the unlocked position x (Figure 2k), it is possible to manually lock the lock by pushing the frieze tab and therefore the control end piece backwards, in the direction of arrow C. The motor 2 n '' not being supplied, the carriage 4 is then pushed from position y to position x, which causes, due to the reversibility of the assembly, nut 6 towards the rear, without the stud 8 having the less action on cam 13 (Figure 21). The assembly is then in equilibrium in the manually locked position, the stud 8 being by its lower face 8b in contact with the upper horizontal face of the part 17, ready for one of the following operations: electrical locking (after electrical locking), electric unlocking, manual unlocking.

6) Décondamnation manuelle6) Manual unlocking

Après condamnation électrique, la situation de départ de l'actionneur est illustrée à la Figure 2d, correspondant à la position condamnée x. Le moteur 2 n'étant pas alimenté, on tire le chariot 4 par son embout de commande 5 de la position x vers la position y, ce qui entraîne l'écrou 6 vers l'avant grâce à la réversibilité du dispositif. Le téton 8 entre en contact avec la rampe 12 par sa face inclinée 8f (Figure 2j), et fait ainsi glisser la came 13 jusqu'à sa position la plus basse (Figure 2k).After electrical locking, the starting situation of the actuator is illustrated in Figure 2d, corresponding to the locked position x. As the motor 2 is not powered, the carriage 4 is pulled by its control endpiece 5 from the position x to the position y, which drives the nut 6 forwards thanks to the reversibility of the device. The stud 8 comes into contact with the ramp 12 by its inclined face 8f (Figure 2j), and thus slides the cam 13 to its lowest position (Figure 2k).

L'ensemble est en équilibre en position décondamnée, prêt pour l'une des fonctions suivantes : condamnation électrique, condamnation manuelle.The assembly is in equilibrium in the unlocked position, ready for one of the following functions: electrical locking, manual locking.

On remarquera que dans le cas d'une décondamnation manuelle succédant à une condamnation manuelle, le processus est identique hormis les mouvements de la came 13, qui reste en position basse lors de la condamnation (Figure 21, dont on part pour arriver à la Figure 2k).It will be noted that in the case of a manual unlocking succeeding a manual locking, the process is identical except for the movements of the cam 13, which remains in the low position during the locking (Figure 21, from which we start to arrive at the Figure 2k).

On a représenté aux Figures 3a, 31 une seconde forme de réalisation du téton de l'écrou 6 ainsi que de la seconde rampe centrale 10.FIGS. 3a, 31 show a second embodiment of the stud of the nut 6 as well as of the second central ramp 10.

Celle-ci est ici constituée par deux protubérances 21, 22 de la came 23, disposées l'une au-dessus de l'autre en saillie à l'intérieur du boîtier 1, en étant séparées par une distance d permettant le passage entre elles du téton 24 de l'écrou 6. Les protubérances 21, 22 présentent ainsi respectivement deux faces horizontales superposées 21a, 21b et 22a, 22b, réunies par deux faces d'inclinaisons opposées, respectivement 21c, 21d et 22c, 22d, profilées pour permettre le glissement sur celles-ci du téton 24.This is here constituted by two protrusions 21, 22 of the cam 23, arranged one above the other projecting inside the housing 1, being separated by a distance d allowing passage between them of the stud 24 of the nut 6. The protrusions 21, 22 thus respectively present two superposed horizontal faces 21a, 21b and 22a, 22b, joined by two faces of opposite inclinations, respectively 21c, 21d and 22c, 22d, profiled to allow the sliding of the nipple thereon 24.

Ce dernier est constitué en deux parties, à savoir une première partie 25 profilée de manière similaire au téton 8 de la réalisation précédente, et une seconde partie constituée par un doigt 26 (Figure 5) saillant de la partie 25, laquelle présente une première série de faces ayant la même inclinaison que les première 9, troisième 11 et quatrième rampes 12, tandis que la seconde série de faces est ménagée sur le doigt 26 et adaptée pour glisser sur les protubérances 21, 22 profilées en correspondance, constituant la seconde rampe. Le doigt 26 est ainsi pourvu de deux faces horizontales 26a, 26b réunies par quatre faces inclinées en V.The latter consists of two parts, namely a first part 25 profiled in a similar manner to the stud 8 of the previous embodiment, and a second part consisting of a finger 26 (Figure 5) projecting from part 25, which has a first series of faces having the same inclination as the first 9, third 11 and fourth ramps 12, while the second series of faces is formed on the finger 26 and adapted to slide on the protuberances 21, 22 in correspondence, constituting the second ramp. The finger 26 is thus provided with two horizontal faces 26a, 26b joined by four inclined V-shaped faces.

Le cycle de fonctionnement 3a ... 31 est similaire à celui illustré aux figures 2a à 21, mais permet en outre grâce aux particularités décrites ci-dessus, l'immobilisation de la came 23 en position condamnée (Figure 3d) grâce à l'interposition du doigt 26 entre les protubérances 21, 22 sur lesquelles il est en appui par ses faces supérieure et inférieure 26a, 26b, en position verrouillée (Figure 3g) dans laquelle le doigt 26 est situé sous la protubérance 22 avec laquelle il est en contact par sa face supérieure 26a, et en position décondamnée (Figure 3k) dans laquelle la partie 25 est en contact avec la rampe 19. On comprend donc que les protubérances 21, 22 et le doigt profilé 26 interdisent à la came 23 tout mouvement en dehors de ceux provoqués par l'action du téton 24.The operating cycle 3a ... 31 is similar to that illustrated in FIGS. 2a to 21, but also allows, thanks to the features described above, the immobilization of the cam 23 in the locked position (Figure 3d) thanks to the interposition of the finger 26 between the protrusions 21, 22 on which it is supported by its upper and lower faces 26a, 26b, in the locked position (Figure 3g) in which the finger 26 is located under the protuberance 22 with which it is in contact by its upper face 26a, and in the unlocked position (Figure 3k) in which the part 25 is in contact with the ramp 19. It is therefore understood that the protrusions 21, 22 and the profiled finger 26 prevent the cam 23 from moving outside of those caused by the action of the nipple 24.

En outre, l'aménagement des rampes de la came 23 permet le fonctionnement du système, notamment le verrouillage du talon 16 par le sabot 15, pour une position condamnée x du chariot 4 variable dans une plage de quelques millimètres. Ceci autorise un positionnement moins précis de l'actionneur sur la serrure (les positions x et y étant définies par les butées du levier de condamnation intérieure sur la serrure et non par l'actionneur).In addition, the arrangement of the ramps of the cam 23 allows the system to function, in particular the locking of the heel 16 by the shoe 15, for a locked position x of the carriage 4 variable within a range of a few millimeters. This allows a less precise positioning of the actuator on the lock (positions x and y being defined by the stops of the inner locking lever on the lock and not by the actuator).

Le troisième mode de réalisation de l'actionneur illustré à la Figure 4 permet la combinaison des états « condamnation •, « décondamnation •, « verrouillage et « déverrouillage suivant un enchaînement différent de celui décrit précédemment, afin de répondre à d'autres exigences fonctionnelles qui peuvent se présenter.The third embodiment of the actuator illustrated in Figure 4 allows the combination of the states "locking •," unlocking •, "locking and" unlocking in a sequence different from that described above, in order to meet other functional requirements who can show up.

Dans la came 27 (Figure 4), la première rampe 28 et la troisième rampe 29 sont similaires aux rampes 9 et 11 des Figures 3a-31 et de la même manière, reliées entre elles par un gradin 31 délimitant entre ces deux rampes un évidement 32 agencé pour recevoir le téton 24, lequel est identique à celui des Figures 3a-31. Par contre, la quatrième rampe 33, ménagée du côté de l'embout de commande 5, a une géométrie similaire à celle du profil des éléments 28, 31, 32, 29, mais inversée, c'est-à-dire qu'elle comporte une partie inférieure 34 analogue à la rampe 28, agencée au niveau du sabot 15 et de la troisième rampe 29, un évidement 35 correspondant à l'évidement 32, un gradin supérieur 36 correspondant au gradin 31, une rampe supérieure 37 correspondant à la rampe 29 avec la même inclinaison, et enfin une rampe terminale horizontale 38.In cam 27 (Figure 4), the first ramp 28 and the third ramp 29 are similar to the ramps 9 and 11 of Figures 3a-31 and in the same way, connected together by a step 31 delimiting between these two ramps a recess 32 arranged to receive the stud 24, which is identical to that of FIGS. 3a-31. On the other hand, the fourth ramp 33, formed on the side of the control endpiece 5, has a geometry similar to that of the profile of the elements 28, 31, 32, 29, but reversed, that is to say that it has a lower part 34 similar to the ramp 28, arranged at the level of the shoe 15 and the third ramp 29, a recess 35 corresponding to the recess 32, an upper step 36 corresponding to the step 31, an upper ramp 37 corresponding to the ramp 29 with the same inclination, and finally a horizontal terminal ramp 38.

Par ailleurs, les protubérances 21, 22 sont ici remplacées par deux ergots 39, 41 identiques, séparés par un intervalle permettant le passage du téton 24, et présentant respectivement deux faces horizontales parallèles 39a, 39b, 41a, 41 b et deux faces latérales parallèles 39c, 39d, 41 c, 41 d. Les faces 39c et 41c ont la même inclinaison que les faces profilées correspondantes du doigt 26 et ont des inclinaisons respectivement opposées à celles des rampes en regard 28, 29 et 34, 37.Furthermore, the protrusions 21, 22 are here replaced by two identical lugs 39, 41, separated by a gap allowing the passage of the stud 24, and having respectively two parallel horizontal faces 39a, 39b, 41a, 41b and two parallel lateral faces 39c, 39d, 41 c, 41 d. The faces 39c and 41c have the same inclination as the corresponding profiled faces of the finger 26 and have inclinations respectively opposite to those of the facing ramps 28, 29 and 34, 37.

Complémentairement, l'actionneur est équipé d'un second ressort (non représenté), analogue au ressort 7 et intercalé entre l'écrou 6 et l'extrémité du chariot 4 opposée à celle sur laquelle peut agir le ressort 7.In addition, the actuator is equipped with a second spring (not shown), similar to spring 7 and interposed between the nut 6 and the end of the carriage 4 opposite to that on which the spring 7 can act.

Le trajet pouvant être suivi par le téton 24 et son doigt 26 dans la came 27 par des impulsions successives données au moteur 2, est symbolisé par le circuit fléché, sur lequel les impulsions successives du moteur et les déplacements provoqués par les rappels des deux ressorts sont référencés comme suit : les parties de trajet pourvues de flèches simples M1 sont empruntées par une première impulsion du moteur, les parties de trajet portant des flèches doubles M2 sont empruntées après une deuxième impulsion de même sens du moteur, les parties pourvues d'une flèche simple référencée R1 sont parcourues sous l'action du premier ressort de rappel 7, la partie référencée R3 est suivie par action du second ressort de rappel, les références M4 et M5 indiquent le trajet parcouru par le téton 24 de sa position de condamnation C à sa position de décondamnation D sans passer par la position de verrouillage V.The path which can be followed by the stud 24 and its finger 26 in the cam 27 by successive pulses given to the motor 2, is symbolized by the arrowed circuit, on which the successive pulses of the motor and the displacements caused by the reminders of the two springs are referenced as follows: the path parts provided with single arrows M1 are taken by a first motor pulse, the path parts carrying double arrows M2 are taken after a second pulse in the same direction of the motor, the parts provided with a simple arrow referenced R1 are traversed under the action of the first return spring 7, the part referenced R3 is followed by action of the second return spring, the references M4 and M5 indicate the path traveled by the stud 24 from its locked position C to its unlocking position D without passing through the locking position V.

CR1 est la course du ressort de rappel 7, CR2 est la course du second ressort de rappel. Δx est la variation sur la position condamnée x du chariot 4 par rapport à la came 27, elle est donc égale à la valeur maximum du jeu J entre le talon 16 du chariot 4 et le sabot 15 de la came (Figures 2 et 3). Cette variation Δx correspondant à la variation de positionnement de l'actionneur sur la serrure.CR1 is the stroke of the return spring 7, CR2 is the stroke of the second return spring. Δx is the variation on the locked position x of the carriage 4 relative to the cam 27, it is therefore equal to the maximum value of the clearance J between the heel 16 of the carriage 4 and the shoe 15 of the cam (Figures 2 and 3) . This variation Δx corresponding to the variation in positioning of the actuator on the lock.

Les cycles de fonctionnement de ce système sont les suivants :The operating cycles of this system are as follows:

Condamnation-Décondamnation : Partant de la position décondamnée D, on donne une impulsion M1 au moteur pour déplacer le téton 24 vers l'arrière jusqu'à le faire glisser sur la première rampe 28 puis jusqu'à une position P comprise entre le fond du logement 32, où le centre du téton occupe la position P2 et la position P1. Après coupure de l'alimentation du moteur, le ressort 7 rappelle le téton 24 (trajet R1) jusqu'à la position condamnée C comprise entre C1 et C2, dans laquelle le téton 24 est arrêté entre les ergots 39, 41, sur lesquels s'appuie son doigt 26. Si l'on veut alors repasser en position décondamnée D, on donne une seconde impulsion M4 au moteur dans le sens opposé au précédent, et le téton 24 suit le trajet M4, M5, entre l'ergot 39 et la rampe 37 sur laquelle il glisse jusqu'à la position D.Locking-unlocking: Starting from unlocked position D, we give an impulse M1 to the motor to move the stud 24 backwards until it slides on the first ramp 28 then to a position P between the bottom of the housing 32, where the center of the stud occupies position P2 and position P1. After cutting off the power supply to the motor, the spring 7 recalls the stud 24 (path R1) to the locked position C between C1 and C2, in which the stud 24 is stopped between the lugs 39, 41, on which s press his finger 26. If we then want to return to unlocked position D, we give a second pulse M4 to the motor in the opposite direction to the previous one, and the stud 24 follows the path M4, M5, between the lug 39 and the ramp 37 on which it slides to position D.

Verrouillage : Partant de la position condamnée C, on donne une seconde impulsion M2 au moteur dans le même sens que le précédent, M1, de sorte que le téton 24 glisse sur la rampe 29 jusqu'à un point P1 compris entre P3 et P4, soulevant ainsi la came 27 jusqu'à sa position de verrouillage du chariot 4. Après coupure du moteur, le ressort 7 rappelle le téton 24 dans sa position verrouillée V (comprise entre V1 et V2) sous l'ergot 41, en lui faisant suivre le trajet R2, le ressort 7 effectuant la course CR1.Locking: Starting from the locked position C, the motor is given a second pulse M2 in the same direction as the previous one, M1, so that the stud 24 slides on the ramp 29 to a point P1 between P3 and P4, thus lifting the cam 27 to its locking position of the carriage 4. After switching off the engine, the spring 7 recalls the stud 24 in its locked position V (between V1 and V2) under the lug 41, making it follow path R2, the spring 7 performing the stroke CR1.

Déverrouillage (retour en position condamnée) : Partant de la position de verrouillage V obtenue, on donne une première impulsion M3 au moteur dans le sens qui fait glisser le téton 24 sur la rampe 34, jusqu'à ce qu'il vienne se placer dans le logement 35. Dans le même temps, l'écrou 6 par l'intermédiaire du second ressort pousse le chariot 4 dans le sens de la décondamnation, matérialisé par la flèche D, jusqu'à ce que le talon 16 du chariot 4 vienne en butée sur le sabot 15 de la came 27, réduisant ainsi le jeu J à zéro (Figures 2 et 3). Après coupure de l'alimentation du moteur, le second ressort rappelle l'écrou 6 et le téton 24 jusqu'à la position condamnée C2 correspondant à la position condamnée x du chariot 4 la plus sortie.Unlocking (return to locked position): Starting from the locking position V obtained, the motor is given a first pulse M3 in the direction which causes the pin 24 to slide on the ramp 34, until it comes to place itself in the housing 35. At the same time, the nut 6 via the second spring pushes the carriage 4 in the unlocking direction, materialized by the arrow D, until the heel 16 of the carriage 4 comes in stop on the shoe 15 of the cam 27, thus reducing the clearance J to zero (Figures 2 and 3). After cutting off the power supply to the engine, the second spring returns the nut 6 and the stud 24 to the locked position C2 corresponding to the locked position x of the carriage 4 that is most extended.

Décondamnation : Une seconde impulsion M4, M5 donnée au moteur dans le même sens entraîne le téton 24 jusqu'à la rampe 37 sur laquelle il glisse, ce qui provoque l'abaissement de la came 27 jusqu'à l'arrivée du téton 24 sur la rampe supérieure 38, en position décondamnée D.Unlocking: A second pulse M4, M5 given to the motor in the same direction drives the stud 24 to the ramp 37 on which it slides, which causes the cam 27 to lower until the stud 24 arrives on the upper ramp 38, in the unlocked position D.

On comprend ainsi qu'il est possible, après un verrouillage électrique, de faire passer après un nouvel ordre électrique le téton 24 et donc la came 27 dans la position condamnée C, et enfin en position décondamnée D par une seconde impulsion donnée au moteur. Ce passage en deux temps de la position verrouillée V à la position décondamnée D n'était pas possible avec les deux réalisations précédentes, dans lesquelles en effet l'ordre de déverrouillage électrique amène automatiquement et nécessairement le téton 8, 24 jusqu'à la position décondamnée (Figures 2k et 3k), en raison de la configuration de la rampe 12. Cet avantage de la réalisation de la Figure 4 est donc rendu possible par la géométrie particulière de la quatrième rampe 34, 37 et la présence d'un second organe de rappel du chariot 6.It is thus understood that it is possible, after an electrical locking, to pass after a new electrical order the stud 24 and therefore the cam 27 in the locked position C, and finally in the unlocked position D by a second pulse given to the motor. This passage in two stages from the locked position V to the unlocked position D was not possible with the two previous embodiments, in which in fact the electrical unlocking order automatically and necessarily brings the stud 8, 24 to the position unlocked (Figures 2k and 3k), due to the configuration of the ramp 12. This advantage of the embodiment of Figure 4 is therefore made possible by the particular geometry of the fourth ramp 34, 37 and the presence of a second member carriage recall 6.

Un tel agencement permet de ce fait l'utilisation d'un système de détection de pannes électriques ramenant automatiquement l'ensemble de la position verrouillée à la position simplement condamnée, ce qui offre la possibilité d'un secours mécanique par la clé ou la tirette de frise.Such an arrangement therefore allows the use of an electrical fault detection system automatically bringing the whole of the locked position to the simply locked position, which offers the possibility of mechanical assistance by the key or the pull tab. frieze.

Claims (8)

1. A locking actuator for a vehicle door latch, of the reversible type comprising an electric motor (2) driving a screw which cooperates with a nut (6), these elements being accommodated in a box (1), characterised in that :
a) the electric motor (2) can drive the screw in rotation, which screw appertains to a reversible screw-nut system (3), whereon there is mounted a freely sliding carriage (4) and which is mechanically connected to a lever for locking the latch ;
b) the nut (6) is mounted on the screw (3) within the carriage, prevented from rotating by guidance in the carriage and provided with, on the one hand, an elastic element (7), its force acting parallel to the axis of the screw, this element being capable of being compressed between the carriage (4) and the screw (3), so as to return the nut (6) when this element is compressed, on the other hand, a stud (8, 24) adapted so as to be able to cooperate with ramps (9, 10, 11, 12) formed on a cam (13, 23) which is vertically displaceable in the box by the movements in translation of the nut (6) and of its stud (8, 24) controlling the cam (13, 23) ;
c) this cam (13, 23) is provided with a shoe (15) capable of bolting the carriage (4) in the electrically locked position when it has been displaced into its highest position by the stud (8, 24) sltding on the said ramps, thus preventing any manual unlocking of the latch.
2. An actuator according to claim 1, characterised in that the carriage (4) is provided with a heel (16) capable of cooperating with the shoe (15) of the cam (13, 23) for bolting the carriage (4) in the electrically locked position of the latch.
3. An actuator according to one of claims 1 and 2, characterised in that provision is made for means to allow the cam (13, 23) to remain in equilibrium in one of the positions which it can assume by sliding in the box (1) under the combined action of the stud (8, 24) and of one of the ramps (9, 10, 11, 12) of the cam.
4. An actuator according to one of claims 1 to 3, characterised in that the cam (13) comprises :
a) a first ramp (9), inclined in the direction of the unlocked position (D) of the control lever, so that the stud driven towards this ramp (9) by the motor (2) in the locking direction C can slide on the said ramp (9) and thus raise the cam in vertical translation, while the nut (6) continues its displacement, compressing its elastic element (7) against the carriage (4) ;
b) a second ramp (10), separated from the first ramp (9) by a gap sufficient to permit the stud (8) to pass between these two ramps during the vertical translation of the cam (13) under the thrust of the stud (8), and whereon this latter can come to slide after the power supply to the motor (2) has been cut, and that it should be urged back by the release of the elastic element (7) of the nut (6) until the stud (8) comes to occupy, under the second ramp (10), a position for the electric locking of the latch ;
c) a third ramp (11) extending the first (9) from which it is separated by a step (18) and also inclined towards the direction (D) of unlocking the lever, so that the stud (8), after the nut (6) has again been driven towards this third ramp (11) by the motor (2), can slide thereon and cause the cam (13) to perform a new vertical translation, at the end whereof, the cam comes to bolt the carriage (4), whereupon the release of the elastic element (7) restores the nut and the stud (8) into a position of equilibrium, whilst the latch remains bolted ;
d) a fourth ramp (12) separated from the second ramp (10) by a gap allowing the stud (8) to pass between them, substantially parallel to the first (9) and the third ramp (11) and inclined towards the locking direction C, so that the stud (8) starting from its bolting position of equilibrium can be driven by the motor (2), sliding on this ramp (12) causing the cam to be subjected to a translation downwards which unbolts the carriage (4) until the stud (8) completely leaves the ramps and reaches a position permitting the unlocking.
5. An actuator according to one of claims 1 to 4, characterised in that the stud (8) itself has profiled sides to enable it to slide on the ramps (9, 10, 11, 12) of the cam (13).
6. An actuator according to claim 4, characterised in that the fourth ramp (12) is extended by a fifth ramp (19) parallel to the displacement direction (CD) of the locking-unlocking lever and whereon the stud (8, 24) comes to slide to the unlocking position (D) of the latch.
7. An actuator according to one of claims 4 to 6, characterised in that the said second ramp is constituted by two projections (21, 22) of the cam arranged one above the other, separated by a distance allowing the stud (24) of the cam (23) to pass between them and having such profiles as to allow the sliding of this stud, and this latter comprises two series of faces, the first series being formed by faces having the same inclination as the said first ramp (9), third ramp (11) and fourth ramp (12), and adapted to slide thereon, whilst the second series of faces is arranged on a finger (26) projecting from the stud (24) and being adapted to slide on the projections (21, 22) profiled to correspond to the second ramp, these projections having the function of immobilising the cam (23) in the locked or bolted position.
8. An actuator according to claim 7, characterised in that the first ramp (28) and the third ramp (29) are connected by a step (31) delimiting between these two ramps a cut out (32) adapted to receive the stud (24), the fourth ramp (33) arranged on the side of the manual control lever is formed in a manner similar to the first ramp (28) and third ramp (29), but being inverted, that is to say, that it comprises a lower portion (34, 35) arranged at the level of the shoe (15) of the cam and of the third ramp (29), having the same profile as the first ramp (28) and the cut out (32), and an upper portion (37) having the same profile as the third ramp (29) and being joined to the lower portion (34, 35) by a step (36), partly delimiting the cut out (35), while each projection (39, 41) is provided with two inclined and parallel lateral faces (39c, 39d ; 41 c, 41 d) whereon the associated faces of the stud (24) and of its projecting finger (26) can slide.
EP86401591A 1985-07-22 1986-07-16 Actuating device for a vehicle door lock Expired EP0213993B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8511189A FR2585057B1 (en) 1985-07-22 1985-07-22 CONVICTION ACTUATOR FOR VEHICLE DOOR LOCK
FR8511189 1985-07-22

Publications (2)

Publication Number Publication Date
EP0213993A1 EP0213993A1 (en) 1987-03-11
EP0213993B1 true EP0213993B1 (en) 1989-04-05

Family

ID=9321517

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86401591A Expired EP0213993B1 (en) 1985-07-22 1986-07-16 Actuating device for a vehicle door lock

Country Status (9)

Country Link
US (1) US4723454A (en)
EP (1) EP0213993B1 (en)
JP (1) JPH0784826B2 (en)
BR (1) BR8603424A (en)
CA (1) CA1272749A (en)
DE (1) DE3662708D1 (en)
ES (1) ES295527Y (en)
FR (1) FR2585057B1 (en)
MX (1) MX168575B (en)

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Also Published As

Publication number Publication date
MX168575B (en) 1993-06-01
JPH0784826B2 (en) 1995-09-13
JPS6319387A (en) 1988-01-27
CA1272749C (en) 1990-08-14
CA1272749A (en) 1990-08-14
FR2585057A1 (en) 1987-01-23
US4723454A (en) 1988-02-09
BR8603424A (en) 1987-03-04
ES295527Y (en) 1987-11-01
DE3662708D1 (en) 1989-05-11
ES295527U (en) 1987-03-16
FR2585057B1 (en) 1987-11-27
EP0213993A1 (en) 1987-03-11

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