EP0102263A1 - Electric lock for a vehicle door - Google Patents

Electric lock for a vehicle door Download PDF

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Publication number
EP0102263A1
EP0102263A1 EP83401440A EP83401440A EP0102263A1 EP 0102263 A1 EP0102263 A1 EP 0102263A1 EP 83401440 A EP83401440 A EP 83401440A EP 83401440 A EP83401440 A EP 83401440A EP 0102263 A1 EP0102263 A1 EP 0102263A1
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EP
European Patent Office
Prior art keywords
lock
lever
lock according
keeper
actuating member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83401440A
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German (de)
French (fr)
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EP0102263B1 (en
Inventor
Michel Groell
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.)
Aciers et Outillage Peugeot SA
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Aciers et Outillage Peugeot SA
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Application filed by Aciers et Outillage Peugeot SA filed Critical Aciers et Outillage Peugeot SA
Publication of EP0102263A1 publication Critical patent/EP0102263A1/en
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Publication of EP0102263B1 publication Critical patent/EP0102263B1/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
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/46—Locking several wings simultaneously
    • E05B77/48—Locking several wings simultaneously by electrical means

Definitions

  • the present invention relates to a lock for a vehicle door.
  • such a lock which comprises a housing for the lock mechanism, a keeper movable relative to the case, an actuating member intended to release the lock mechanism and the keeper for the opening of the door, motor means coupled to the actuating member to allow automatic control of this lock and means for multiplying the force exerted on said actuating member by the keeper when the lock is opened, these reduction means comprising a train of three links articulated one on the other, the intermediate link being provided with means for hooking the keeper and the extreme links being articulated on the housing around respective axes parallel to each other the other and to the axes of articulation of the intermediate link, while one of the end links cooperates for locking the lock with the actuating member by means of at least one stop notch.
  • the motor means which allow automatic opening are formed by an electromagnet which acts on the actuating member which in turn is in the form of a lever articulated on the housing.
  • a lock of the type indicated above which is characterized in that said stop catch is provided on the actuating member and cooperates with a locking finger provided on the corresponding end link and in this that said motor means comprise an electric motor with a rotating shaft which is intended to act on said actuating member by means of a transmission converting the rotational movement of this shaft into a movement in a plane of said actuating member.
  • Fig.l to 6 show a first embodiment of the invention.
  • the lock comprises a housing 1 in which is housed a lock mechanism 2 (Fig. 5 and 6).
  • This boot has a bottom 3 (Fig. 2) which is designed, in most cases, to be fixed on the edge of a vehicle door, the corresponding amount of the body of this vehicle carrying a keeper 4, is having the form of a cylindrical rod section as shown in FIGS. 5 and 6.
  • the lock mechanism comprises a train 5 of three links 6,7 and 8 which are hinged together around axes 9 and 10 respectively, while the end links 6 and 8 are hinged in besides around pins fixed in the housing and defining axes 11 and 12. All these axes of articulation are parallel, i.e. perpendicular to the bottom plate 3.
  • the intermediate link 7 which is here in the form of a thick sheet metal plate is provided with a notch 13 the edge of which comprises two notches 14 and 15 serving to retain the keeper 4, respectively in the "first notch” positions and “second notch” well known to specialists. It will be noted that in order to improve the flexibility of movement of the intermediate link or plate 7, the pins 11 and 12 are surrounded by guide sleeves 16 and 17 ' which penetrate into arcuate openings 18 and 19 formed in the intermediate link 7 .
  • a return spring 20 biases the mechanism of the lock in the direction of opening. This spring bears on the one hand on one of the guide sleeves 17 and on the other hand on the articulation 10 between the end link 8 and the intermediate link 7.
  • Fig.l to 3 show the lock members which are housed outside the housing 1.
  • an actuating member 21 which has the shape of a lever pivoting on the bottom around a fixed pin 22.
  • This lever comprises a first branch 21a on the outer edge of which are provided two / notches 23 and 24 cooperating with a locking finger 25 which is part of the articulation 10 and which extends through a lumen 26 from the bottom 3 in a direction perpendicular thereto.
  • the lever 21 has a second branch, the inner edge of which has a slightly arcuate shape and acts as a cam track 21b.
  • the lever is constantly stressed in a position in which the edge provided with notches 23 and 24 are in contact with the locking finger 25.
  • the cam 21b cooperates with a pin 27 which is provided on one of the faces of a toothed wheel 28 rotatably mounted around a rivet 29 fixed on the bottom 3.
  • This wheel cooperates with the worm 30 of a electric drive motor 31 also fixed to the bottom 3.
  • the worm preferably has a trapezoidal thread while the toothing of the wheel 28 is helical.
  • the wheel 28 can be molded and can therefore be manufactured at low cost.
  • the relative position of the wheel and the screw can be affected by wide tolerances, which is not the case with the conventional solution of the worm drive in which the wheel generally has a type of toothing global.
  • Two switches 32 and 33 are associated with the motor 31.
  • One 32 is associated with the wheel 28 and its contact arm 32a is in abutment against a circular cam provided on the wheel 28 and whose lower part 34 of small angular extent is practically found in front of the switch when the lock is in the open position.
  • the switch 33 on the other hand is associated with the locking finger 25 and its contact arm 33a is kept in its unstable position when this finger is in the position in which the lock is open (FIG. 3). In other words, the switch 33 switches, as soon as the finger 25 begins its movement corresponding to the closing of the lock.
  • This also includes means 35 (Fig. 3 and 4) to allow its manual actuation, in case, for example, where the supply voltage comes to be deleted.
  • These means comprise a lever 36 articulated around the spindle 22 and provided with a lateral fixing lug 37 to which a traction cable 38 or other similar member is fixed.
  • the cable 38 is fixed to a pull tab 39 which can be provided at a suitable location on the interior panel of the door.
  • the cable passes through a sheath 40 in a manner known per se.
  • the lever 36 is provided with another lateral tab 41 extending in a direction opposite to the tab 37 and cooperating with the outer edge of the branch 21a of the lever 22.
  • the housing 1 has a notch 42 for receiving the keeper 4 and that the wall of this notch has an elastic tongue 42a which penetrates slightly into the space delimited by the notch in order to serve as a shock absorber during penetration of the strike in the lock.
  • Figs. 9A to 9F represent the electrical circuit supplying the electric motor, the switches 32 and 33 also being shown as a third switch 43 which also constitutes the button for actuating the lock. Naturally, the arrangement of the latter is such that the lock can be controlled both from inside and from outside the vehicle.
  • a spring 44 mounted around the pin 22 is associated with the actuation lever 21 so as to urge it against the locking finger 25, which also keeps the lever 36 in its normal inactive position.
  • Fig.9A shows the electrical circuit at rest.
  • the motor does not run and is short-circuited by the switch 32 and the lock is assumed to be locked as shown in Fig.l.
  • Fig. 9B the user actuates the switch 43, (unlocking order), the motor 31 is energized and starts to rotate.
  • the pin 27 moves angularly and the switch 32 switches because after a few degrees of rotation, the arm 32a is pushed back by the wheel (high range of its annular cam).
  • the pin 27 goes up the cam 21b by pushing back the lever 21 which begins to pivot around the spindle 22.
  • the wheel 28 can return to its initial position only if the button of the switch 43 is not actuated (FIG. 9E). If this button is not pressed, the motor circuit 31 is closed through the switch 32, the wheel 28 makes a U-turn until the arm 32a falls back into the lower part 34 of the wheel cam 2û. The engine stops immediately because it is short-circuited and the lock returns to the configuration in Fig. 9A whether the door is open or closed.
  • Non-automatic unlocking can be carried out from inside the car by the pull tab 39 which switches the lever 36 in turn to pivot the lever 21 as if it were actuated by the pin 27 of the wheel 28.
  • Figs. 7 and 8 show a variant of the lock in which a lever 36A is provided which, instead of acting by means of a lateral tab on the lever 21, has a cam-shaped edge 44 which acts directly on the locking finger 25. The latter when the puller 39 is actuated causes the lever 21 to tilt while escaping from the notches 23 and 24 thereof.
  • the variant which has just been described allows manual unlocking of the lock not only in the absence of the supply voltage, but also when the spring 20 breaks.
  • the arrangement of the three links 6,7,8 is such that the lock can practically not be unlocked, if at the beginning of the unlocking a slight push is not exerted on the intermediate link 7 in the direction of the opening.
  • the spring 20 is provided for this purpose and also to supplement the force which is normally generated at the opening of the door by the elastic seals of the latter.
  • these seals lose a large part of their elasticity, so that the spring 20 is caused to completely supplant them.
  • the variant of Fig.7 and 8 has the advantage of allowing the opening of the lock even if in these aging conditions, the spring 20 would break.

Abstract

1. A latch of the type comprising a case (1) for the latch mechanism (2), a keeper (4) which is movable relative to the case, an actuating element (21) adapted to release the latch mechanism (2) and the keeper (4) for the purpose of opening the door, driving means (28, 31) coupled to the actuating element (21) to permit the automatic control of this latch and means (6, 7, 8) for reducing the transmission ratio of the force exerted on said actuating element (21) by the keeper when opening the latch, these ratio reducing means comprising a series of three links (6, 7, 8) pivoted together, the intermediate link (7) being provided with means (13) for hooking the keeper and the end links (6, 8) being pivoted to the case (1) to pivot about respective axes which are parallel to each other and to the pivot axes of the intermediate link, while one of the end links (8) cooperates, for the locking of the latch, with the actuating element (21) by means of at least one stop step (23, 24), characterized in that said stop step (23, 24) is provided on the actuating element (21) and cooperates with a locking finger member (25) provided on the corresponding end link (8) and said driving means comprise an electric motor (31) having a rotating shaft which is adapted to act on said actuating element (21) through a transmission (30, 28, 27) converting the movement of rotation of this shaft into a movement in a plane of said actuating element (21).

Description

La présente invention est relative à une serrure pour portière de véhicule.The present invention relates to a lock for a vehicle door.

Dans le FR. 2 439 284, on décrit déjà une telle serrure qui comporte un boîtier pour le mécanisme de serrure, une gâche mobile par rapport au boîtier, un organe d'actionnement destiné à libérer le mécanisme de serrure et la gâche en vue de l'ouverture de la portière, des moyens moteurs couplés à l'organe d'actionnement pour permettre la commande automatique de cette serrure et des moyens pour démultiplier l'effort exercé sur ledit organe d'actionnement par la gâche lors de l'ouverture de la serrure, ces moyens de démultiplication comprenant un train de trois biellettes articulées l'une sur l'autre, la biellette intermédiaire étant pourvue de moyens d'accrochage de la gâche et les biellettes extrêmes étant articulées sur le boîtier autour d'axes respectifs parallèles l'un à l'autre et aux axes d'articulation de la biellette intermédiaire, tandis que l'une des biellettes extrêmes coopère pour le verrouillage de la serrure avec l'organe d'actionnement au moyen d'au moins un cran d'arrêt.In the FR. 2 439 284, such a lock is already described which comprises a housing for the lock mechanism, a keeper movable relative to the case, an actuating member intended to release the lock mechanism and the keeper for the opening of the door, motor means coupled to the actuating member to allow automatic control of this lock and means for multiplying the force exerted on said actuating member by the keeper when the lock is opened, these reduction means comprising a train of three links articulated one on the other, the intermediate link being provided with means for hooking the keeper and the extreme links being articulated on the housing around respective axes parallel to each other the other and to the axes of articulation of the intermediate link, while one of the end links cooperates for locking the lock with the actuating member by means of at least one stop notch.

Dans cette serrure connue, les moyens moteurs qui en permettent l'ouverture automatique sont formés par un électro-aimant qui agit sur l'organe d'actionnement se présentant quant à lui sous la forme d'un levier articulé sur le boîtier.In this known lock, the motor means which allow automatic opening are formed by an electromagnet which acts on the actuating member which in turn is in the form of a lever articulated on the housing.

Or, il s'est avéré que l'utilisation d'un tel électro-aimant présente des inconvénients.However, it has been found that the use of such an electromagnet has drawbacks.

Tout d'abord, sa consommation de courant se situe à une intensité relativement élevée (15A, par exemple) et lors de son actionnement il charge donc de manière importante l'installation électrique du véhicule. En outre, son poids pour une puissance donnée est important, tandis que pour obtenir une action efficace, il convient que le noyau de l'électro-aimant agisse.brusquement sur le levier d'actionnement en le frappant, ce qui provoque un bruit désagréable susceptible d'incommoder l'utilisateur. Enfin, comme en règle générale, les noyaux plongeurs des électro-aimants sont montés flottants dans leur bobine, il se produit un bruit métallique dû aux vibrations lorsque le véhicule est en marche.First of all, its current consumption is at a relatively high intensity (15A, for example) and when it is actuated, it therefore significantly loads the electrical installation of the vehicle. In addition, its weight for a given power is important, while to obtain an effective action, it is advisable that the core of the electromagnet acts abruptly on the actuating lever by striking it, which causes an unpleasant noise which may inconvenience the user. Finally, as a general rule, the plunger cores of the electromagnets are mounted floating in their coil, there is a metallic noise due to vibrations when the vehicle is running.

C'est à ces inconvénients de la technique antérieure que l'invention tente d'apporter une solution.It is to these drawbacks of the prior art that the invention attempts to provide a solution.

Elle.a donc pour objet une serrure du type indiqué ci-dessus qui est caractérisée en ce que ledit cran d'arrêt est prévu sur l'organe d'actionnement et coopère avec un doigt de blocage prévu sur la biellette extrême correspondante et en ce que lesdits moyens moteurs comprennent un moteur électrique à arbre tournant qui est destiné à agir sur ledit organe d'actionnement par l'intermédiaire d'une transmission convertissant le mouvement de rotation de cet arbre en un mouvement dans un plan dudit organe d'actionnement.It therefore relates to a lock of the type indicated above which is characterized in that said stop catch is provided on the actuating member and cooperates with a locking finger provided on the corresponding end link and in this that said motor means comprise an electric motor with a rotating shaft which is intended to act on said actuating member by means of a transmission converting the rotational movement of this shaft into a movement in a plane of said actuating member.

Il résulte de ces caractéristiques un plus faible poids de la serrure ainsi qu'une consommation en courant réduite ( de l'ordre de 5A) pour une puissance fournie équivalente, le moteur électrique étant nécessairement excité plus longuement que l'électro-aimant de la serrure antérieure. Toutefois, instantanément, une telle consommation faible constitue un avantage. En outre, le moteur électrique est silencieux et ne provoque pas un bruit brusque désagréable. Enfin, le moteur électrique est peu encombrant et s'intègre facilement dans le boîtier de la serrure.These characteristics result in a lower weight of the lock as well as a reduced current consumption (of the order of 5A) for an equivalent supplied power, the electric motor necessarily being excited longer than the electromagnet of the front lock. However, instantly such low consumption is an advantage. In addition, the electric motor is silent and does not cause an unpleasant sudden noise. Finally, the electric motor is space-saving and easily fits into the lock housing.

L'invention est exposée ci-après plus en détail à l'aide de dessins représentant seulement des modes d'éxécution, sur lesquels :

  • - la Fig.l est une vue en élévation de la serrure suivant l'invention montrant la face extérieure du fond du boîtier ( position fermée de la serrure);
  • - la Fig.2 est une vue en coupe de cette serrure suivant la ligne 2-2 de la Fig.l;
  • - la Fig.3 est une vue analogue à celle de la Fig.l, la serrure étant ouverte;
  • - la Fig.4 est une vue en coupe suivant la ligne 4-4 de la Fig.3;
  • - les Fig.5 et 6 montrent schématiquement la position du train de biellettes lorsque la serrure se trouve verrouillée en "premier cran " et en "second cran" respectivement;
  • - les Fig.7 et 8 montrent par des vues analogues à celle de la Fig.l, une variante de la serrure suivant l'invention;
  • - les Fig.9A à 9F montrent un circuit de commande de cette serrure au cours des différentes phases de fonctionnement.
The invention is set out below in more detail using drawings representing only embodiments, in which:
  • - Fig.l is an elevational view of the lock according to the invention showing the outer face of the bottom of the housing (closed position of the lock);
  • - Fig.2 is a sectional view of this lock along line 2-2 of Fig.l;
  • - Fig.3 is a view similar to that of Fig.l, the lock being open;
  • - Fig.4 is a sectional view along line 4-4 of Fig.3;
  • - Fig.5 and 6 schematically show the position of the link train when the lock is locked in "first notch" and "second notch"respectively;
  • - Fig.7 and 8 show by views similar to that of Fig.l, a variant of the lock according to the invention;
  • - Figs. 9A to 9F show a control circuit for this lock during the various operating phases.

Les Fig.l à 6 montrent un premier mode de réalisation de l'invention. La serrure comprend un boîtier 1 dans lequel est logé un mécanisme de serrure 2 ( Fig.5 et 6). Ce bottier présente un fond 3 ( Fig.2) qui estfdes- tiné, dans la plupart des cas,à être fixé sur le chant d'une portière de véhicule, le montant correspondant de la carrosserie de ce véhicule portant une gâche 4, se présentant sous la forme d'un tronçon de tige cylindrique comme cela est représenté sur les Fig. 5 et 6. Ces figures montrent également que le mécanisme de serrure comprend un train 5 de trois bielletes 6,7 et 8 qui sont articulées entre elles respectivement autour d'axes 9 et 10, tandis que les biellettes extrêmes 6 et 8 sont articulées en outre autour de broches fixées dans le boîtier et définissant des axes 11 et 12. Tous ces axes d'articulation sont parallèles, c'est-à-dire perpendiculaires à la plaque de fond 3.Fig.l to 6 show a first embodiment of the invention. The lock comprises a housing 1 in which is housed a lock mechanism 2 (Fig. 5 and 6). This boot has a bottom 3 (Fig. 2) which is designed, in most cases, to be fixed on the edge of a vehicle door, the corresponding amount of the body of this vehicle carrying a keeper 4, is having the form of a cylindrical rod section as shown in FIGS. 5 and 6. These figures also show that the lock mechanism comprises a train 5 of three links 6,7 and 8 which are hinged together around axes 9 and 10 respectively, while the end links 6 and 8 are hinged in besides around pins fixed in the housing and defining axes 11 and 12. All these axes of articulation are parallel, i.e. perpendicular to the bottom plate 3.

La biellette intermédiaire 7 qui se présente ici sous la forme d'une plaque de tôle épaisse est pourvue d'une entaille 13 dont le bord comporte deux crans 14 et 15 servant à retenir la gâche 4, respectivement dans les positions " premier cran " et "second cran" bien connues des spécialistes. On notera qu'afin d'améliorer la souplesse de mouvement de la biellette intermédiaire ou plaque 7, les broches 11 et 12 sont entourées de manchons de guidage 16 et 17 'qui pénètrent dans des lumières arquées 18 et 19 pratiquées dans la biellette intermédiaire 7.The intermediate link 7 which is here in the form of a thick sheet metal plate is provided with a notch 13 the edge of which comprises two notches 14 and 15 serving to retain the keeper 4, respectively in the "first notch" positions and "second notch" well known to specialists. It will be noted that in order to improve the flexibility of movement of the intermediate link or plate 7, the pins 11 and 12 are surrounded by guide sleeves 16 and 17 ' which penetrate into arcuate openings 18 and 19 formed in the intermediate link 7 .

Un ressort de rappel 20 sollicite le mécanisme de la serrure dans le sens de l'ouverture. Ce ressort prend appui d'une part sur l'un 17 des manchons de guidage et d'autre part sur l'articulation 10 entre la biellette extrême 8 et la biellette intermédiaire 7.A return spring 20 biases the mechanism of the lock in the direction of opening. This spring bears on the one hand on one of the guide sleeves 17 and on the other hand on the articulation 10 between the end link 8 and the intermediate link 7.

Les Fig.l à 3 montrent les organes de la serrure qui sont logés en dehors du boîtier 1. Tout d'abord, il est prévu un organe d'actionnement 21 qui a la forme d'un levier pivotant sur le fond autour d'une broche fixe 22. Ce levier comprend une première branche 21a sur le bord extérieur de laquelle sont prévus deux/crans 23 et 24 coopérant avec un doigt de blocage 25 qui fait partie de l'articulation 10 et qui s'étend à travers une lumière 26 du fond 3 dans une direction perpendiculaire à celui-ci.Fig.l to 3 show the lock members which are housed outside the housing 1. First, there is provided an actuating member 21 which has the shape of a lever pivoting on the bottom around a fixed pin 22. This lever comprises a first branch 21a on the outer edge of which are provided two / notches 23 and 24 cooperating with a locking finger 25 which is part of the articulation 10 and which extends through a lumen 26 from the bottom 3 in a direction perpendicular thereto.

Le levier 21 comporte une seconde branche dont le bord intérieur présente une forme légèrement arquée et fait office de chemin de came 21b. Le levier est constamment sollicité dans une position dans laquelle le bord pourvu des crans 23 et 24 sont en contact avec le doigt de blocage 25.The lever 21 has a second branch, the inner edge of which has a slightly arcuate shape and acts as a cam track 21b. The lever is constantly stressed in a position in which the edge provided with notches 23 and 24 are in contact with the locking finger 25.

La came 21b coopère avec un pion 27 qui est prévu sur l'une des faces d'une roue dentée 28 montée à rotation autour d'un rivet 29 fixé sur le fond 3. Cette roue coopère avec la vis sans fin 30 d'un moteur électrique d'entraînement 31 également fixé sur le fond 3. La vis sans fin comporte de préférence un filet trapézoïdal tandis que la denture de la roue 28 est hélicoïdale. Malgré le fait que la théorie des engrenages rejette en général cette solution en raison des contraintes ponctuelles trop fortes et son faible rendement, cette solution est particulièrement adaptée au cas de la serrure suivant l'invention, car les efforts sont faibles tandis que le rendement n'entre pas en ligne de compte. En outre, la roue 28 peut être moulée et peut donc être fabriquée à faible coùt. Enfin, la position relative de la roue et de la vis peut être affectée de larges tolérances, ce qui n'est pas le cas avec la solution classique de l'entraînement par vis sans fin dans laquelle la roue a en général une denture de type globique.The cam 21b cooperates with a pin 27 which is provided on one of the faces of a toothed wheel 28 rotatably mounted around a rivet 29 fixed on the bottom 3. This wheel cooperates with the worm 30 of a electric drive motor 31 also fixed to the bottom 3. The worm preferably has a trapezoidal thread while the toothing of the wheel 28 is helical. Despite the fact that the theory of gears generally rejects this solution because of too strong point constraints and its low efficiency, this solution is particularly suitable for the lock according to the invention, because the forces are low while the efficiency n is not taken into account. In addition, the wheel 28 can be molded and can therefore be manufactured at low cost. Finally, the relative position of the wheel and the screw can be affected by wide tolerances, which is not the case with the conventional solution of the worm drive in which the wheel generally has a type of toothing global.

Deux commutateurs 32 et 33 sont associés au moteur 31. L'un 32 est associé à la roue 28 et son bras de contact 32a est en appui contre une came circulaire prévue sur la roue 28 et dont la partie basse 34 de faible étendue angulaire se trouve pratiquement devant le commutateur lorsque la serrure est en position ouverte.Two switches 32 and 33 are associated with the motor 31. One 32 is associated with the wheel 28 and its contact arm 32a is in abutment against a circular cam provided on the wheel 28 and whose lower part 34 of small angular extent is practically found in front of the switch when the lock is in the open position.

Le commutateur 33 par contre est associé au doigt de blocage 25 et son bras de contact 33a est maintenu dans sa position instable lorsque ce doigt se trouve dans la position dans laquelle la serrure est ouverte (Fig.3). En d'autres termes, le commutateur 33 bascule, dès que le doigt 25 amorce son mouvement correspondant à la fermeture de la serrure.The switch 33 on the other hand is associated with the locking finger 25 and its contact arm 33a is kept in its unstable position when this finger is in the position in which the lock is open (FIG. 3). In other words, the switch 33 switches, as soon as the finger 25 begins its movement corresponding to the closing of the lock.

Celle-ci comporte également des moyens 35 (Fig.3 et 4) pour permettre son actionnement manuel, au cas, par exemple, où la tension d'alimentation viendrait à être supprimée. Ces moyens comprennent un levier 36 articulé autour de la broche 22 et pourvu d'une patte de fixation latérale 37 à laquelle est fixé un câble de traction 38 ou autre organe analogue. Le câble 38 est fixé à une tirette 39 qui peut être prévue à un endroit approprié sur le panneau intérieur de la portière. Le câble passe dans une gaine 40 de façon connue en soi.This also includes means 35 (Fig. 3 and 4) to allow its manual actuation, in case, for example, where the supply voltage comes to be deleted. These means comprise a lever 36 articulated around the spindle 22 and provided with a lateral fixing lug 37 to which a traction cable 38 or other similar member is fixed. The cable 38 is fixed to a pull tab 39 which can be provided at a suitable location on the interior panel of the door. The cable passes through a sheath 40 in a manner known per se.

Le levier 36 est pourvu d'une autre patte latérale 41 s'étendant dans un sens opposé à la patte 37 et coopérant avec le bord extérieur de la branche 21a du levier 22.The lever 36 is provided with another lateral tab 41 extending in a direction opposite to the tab 37 and cooperating with the outer edge of the branch 21a of the lever 22.

On notera également que le boîtier 1 comporte une encoche 42 pour recevoir la gâche 4 et que la paroi de cette encoche présente une languette élastique 42a qui pénètre légèrement dans l'espace délimité par l'encoche afin de servir d'amortisseur lors de la pénétration de la gâche dans la serrure.It will also be noted that the housing 1 has a notch 42 for receiving the keeper 4 and that the wall of this notch has an elastic tongue 42a which penetrates slightly into the space delimited by the notch in order to serve as a shock absorber during penetration of the strike in the lock.

Les Fig.9A à 9F représentent le circuit électrique d'alimentation du moteur électrique, les commutateurs 32 et 33 étant également représentés comme d'ailleurs un troisième commutateur 43 qui constitue le bouton d'actionnement de la serrure. Naturellement, l'agencement de ce dernier est tel que la serrure puisse être commandée aussi bien de l'intérieur que de l'extérieur du véhicule.Figs. 9A to 9F represent the electrical circuit supplying the electric motor, the switches 32 and 33 also being shown as a third switch 43 which also constitutes the button for actuating the lock. Naturally, the arrangement of the latter is such that the lock can be controlled both from inside and from outside the vehicle.

On notera qu'un ressort 44 monté autour de la broche 22 est associée au levier d'actionnement 21 de manière à le solliciter contre le doigt de blocage 25, ce qui maintient également le levier 36 dans sa position normale inactive.It will be noted that a spring 44 mounted around the pin 22 is associated with the actuation lever 21 so as to urge it against the locking finger 25, which also keeps the lever 36 in its normal inactive position.

Le fonctionnement de cette serrure est le suivant.The operation of this lock is as follows.

La Fig.9A représente le circuit électrique au repos. Le moteur ne tourne pas et est court-circuité par le commutateur 32 et la serrure est supposée verrouillée comme représenté sur la Fig.l. Lorsqu'en Fig.9B, l'utilisateur actionne le commutateur 43, (ordre de déverrouillage), le moteur 31 est excité et commence à tourner. Le pion 27 se déplace angulairement et le commutateur 32 bascule puisqu'après quelques degrés de rotation, le bras 32a est repoussé par la roue ( plage haute de sa came annulaire). Le pion 27 remonte la came 21b en repoussant le levier 21 qui commence à pivoter autour de la broche 22.Fig.9A shows the electrical circuit at rest. The motor does not run and is short-circuited by the switch 32 and the lock is assumed to be locked as shown in Fig.l. When in Fig. 9B, the user actuates the switch 43, (unlocking order), the motor 31 is energized and starts to rotate. The pin 27 moves angularly and the switch 32 switches because after a few degrees of rotation, the arm 32a is pushed back by the wheel (high range of its annular cam). The pin 27 goes up the cam 21b by pushing back the lever 21 which begins to pivot around the spindle 22.

En Fig.9C, il est supposé que le commutateur 32 a déjà basculé et que l'utilisateur maintient encore sa pression sur le bouton commandant le commutateur 43. En Fig. 9D, ce bouton est relâché, mais dans les deux cas, le moteur reste alimenté et continueà tourner si bien que le pion 27 en poursuivant son trajet commence à libérer le doigt de blocage 25 d'abord du cran 24 puis du cran 23.In FIG. 9C, it is assumed that the switch 32 has already flipped and that the user still maintains his pressure on the button controlling the switch 43. In FIG. 9D, this button is released, but in both cases, the motor remains powered and continues to rotate so that the pin 27 while continuing its journey begins to release the locking finger 25 first of the notch 24 then of the notch 23.

Lorsque la roue a fait à peu près un demi-tour, le doigt 25 est parvenu au fond de la lumière 26 faisant basculer le commutateur 33 qui coupe ainsi le circuit du moteur (Fig.9E). Cependant, entretemps, le doigt de verrouillage 25 étant libéré, le ressort 20 déplace le train 5 des biellettes 6,7 et 8 vers la position d'ouverture ( non représentée) car les biellettes sont alors également libérées. La gâche 4 peut alors sortir de l'encoche 42 et,la portière être déverrouillée.When the wheel has made approximately a half-turn, the finger 25 has reached the bottom of the light 26 causing the switch 33 to toggle which thus cuts off the motor circuit (FIG. 9E). However, meanwhile, the locking finger 25 being released, the spring 20 moves the train 5 of the links 6,7 and 8 to the open position (not shown) because the links are then also released. The keeper 4 can then come out of the notch 42 and, the door be unlocked.

Dans la position ouverte, la roue 28 ne peut revenir à sa position initiale que si le bouton du commutateur 43 n'est pas actionné (Fig.9E). Si ce bouton n'est pas actionné, le circuit du moteur 31 est fermé à travers le commutateur 32, la roue 28 fait un demi-tour jusqu'à ce que le bras 32a retombe dans la partie basse 34 de la came de la roue 2û. Le moteur s'arrête immédiatement car il est court-circuité et la serrure retrouve la configuration de la Fig.9A que la portière soit ouverte ou fermée.In the open position, the wheel 28 can return to its initial position only if the button of the switch 43 is not actuated (FIG. 9E). If this button is not pressed, the motor circuit 31 is closed through the switch 32, the wheel 28 makes a U-turn until the arm 32a falls back into the lower part 34 of the wheel cam 2û. The engine stops immediately because it is short-circuited and the lock returns to the configuration in Fig. 9A whether the door is open or closed.

Le déverrouillage non automatique peut être réalisé de l'intérieur de la voiture par la tirette 39 qui fait basculer le levier 36 pour à son tour faire pivoter le levier 21 comme s'il était actionné par le pion 27 de la roue 28.Non-automatic unlocking can be carried out from inside the car by the pull tab 39 which switches the lever 36 in turn to pivot the lever 21 as if it were actuated by the pin 27 of the wheel 28.

Les Fig.7 et 8 représentent une variante de la serrure dans laquelle on prévoit un levier 36A qui au lieu d'agir par l'intermédiaire d'une patte latérale sur le levier 21 comporte un bord en forme de came 44 qui agit directement sur le doigt de blocage 25. Celui-ci lorsqu'on actionne la tirette 39 fait basculer le levier 21 en s'échappant des crans 23 et 24 de celui-ci.Figs. 7 and 8 show a variant of the lock in which a lever 36A is provided which, instead of acting by means of a lateral tab on the lever 21, has a cam-shaped edge 44 which acts directly on the locking finger 25. The latter when the puller 39 is actuated causes the lever 21 to tilt while escaping from the notches 23 and 24 thereof.

La variante que l'on vient de décrire permet le déverrouillage manuel de la serrure non seulement en cas d'absence de la tension d'alimentation, mais également lorsque le ressort 20 vient à se casser. En effet, l'agencement des trois biellettes 6,7,8 est tel que la serrure ne peut pratiquement pas se déverrouiller, si au début du déverrouillage une légère poussée n'est pas exercée sur la biellette intermédiaire 7 dans le sens de l'ouverture. Le ressort 20 est prévu à cet effet et également pour compléter la force qui est normalement engendrée à l'ouverture de la portière par les joints élastiques de celle-ci. Cependant, après un certain vieillissement du véhicule, ces joints perdent une-grande partie de leur élasticité, de sorte que le ressort 20 est amené à les supplanter totalement. La variante des Fig.7 et 8 présente l'avantage de permettre l'ouverture de la serrure même si dans ces conditions de vieillissement, le ressort 20 venait à se casser.The variant which has just been described allows manual unlocking of the lock not only in the absence of the supply voltage, but also when the spring 20 breaks. Indeed, the arrangement of the three links 6,7,8 is such that the lock can practically not be unlocked, if at the beginning of the unlocking a slight push is not exerted on the intermediate link 7 in the direction of the opening. The spring 20 is provided for this purpose and also to supplement the force which is normally generated at the opening of the door by the elastic seals of the latter. However, after a certain aging of the vehicle, these seals lose a large part of their elasticity, so that the spring 20 is caused to completely supplant them. The variant of Fig.7 and 8 has the advantage of allowing the opening of the lock even if in these aging conditions, the spring 20 would break.

Dans la description qui précède, on a supposé que le boîtier 1 est fixé sur le chant de la portière et la gâche est montée sur le montant de la carrosserie du véhicule. Cette disposition peut être inversée sans sortir du cadre de l'invention et elle peut même, dans certains cas apporter des avantages. En effet, il n'est alors pas nécessaire de prévoir de conducteurs électriques dans la portière, tandis que le mécanisme de serrure n'est pas soumis aux chocs dûs au claquement de la portière lors de la fermeture.In the above description, it has been assumed that the housing 1 is fixed to the edge of the door and the keeper is mounted on the amount of the vehicle body. This provision can be reversed without departing from the scope of the invention and it can even, in certain cases, bring advantages. Indeed, it is not then necessary to provide electrical conductors in the door, while the lock mechanism is not subjected to shocks due to the slamming of the door during closing.

Claims (12)

1. Serrure du type comportant un boîtier (1) pour le mécanisme de serrure (2), une gâche (4) mobile par rapport au boîtier, un organe d'actionnement (21) destiné à libérer le mécanisme de serrure (2) et la gâche (4) en vue de l'ouverture de la portière, des moyens moteurs (28,31) couplés à l'organe d'actionnement (21) pour permettre la commande automatique de cette serrure et des moyens (6,7,8) pour démultiplier l'effort exercé sur ledit organe d'actionnement (21) par la gâche lors de l'ouverture de la serrure, ces moyens de démultiplication comprenant un train de trois biellettes (6,7,8) articulées l'une sur l'autre, la biellette intermédiaire (7) étant pourvue de moyens d'accrochage (13) de la gâche et les biellettes extrêmes (6,8) étant articulées sur le boîtier (1) autour d'axes respectifs parallèles l'un à l'autre et aux axes d'articulation de la biellette intermédiaire, tandis que l'une des biellettes extrêmes (8) coopère, pour le verrouillage de la serrure avec l'organe d'actionnement (21) au moyen d'au moins un cran d'arrêt (23,24), caractérisée en ce que ledit cran d'arrêt (23,24) est prévu sur l'organe d'actionnement (21) et coopère avec un doigt de blocage (25) prévu sur la biellette extrême correspondante (8) et en ce que lesdits moyens moteurs comprennent un moteur électrique (3i) à arbre tournant qui est destiné à agir sur ledit organe d'actionnement (21) par l'intermédiaire d'une transmission (30,28,27) convertissant le mouvement de rotation de cet arbre en un mouvement dans un plan dudit organe d'actionnement (21).1. Lock of the type comprising a housing (1) for the lock mechanism (2), a keeper (4) movable relative to the housing, an actuating member (21) intended to release the lock mechanism (2) and the keeper (4) for the opening of the door, motor means (28,31) coupled to the actuating member (21) to allow automatic control of this lock and means (6,7, 8) to increase the force exerted on said actuating member (21) by the strike when the lock is opened, these reduction means comprising a train of three links (6,7,8) articulated one on the other, the intermediate link (7) being provided with means for hooking (13) the keeper and the end links (6,8) being articulated on the housing (1) around respective parallel axes, one to the other and to the axes of articulation of the intermediate link, while one of the end links (8) cooperates, for locking the lock with the action member nement (21) by means of at least one stop notch (23,24), characterized in that said stop notch (23,24) is provided on the actuating member (21) and cooperates with a locking finger (25) provided on the corresponding end link (8) and in that said motor means comprise an electric motor (3i) with rotating shaft which is intended to act on said actuating member (21) by via a transmission (30,28,27) converting the rotational movement of this shaft into a movement in a plane of said actuating member (21). 2. Serrure suivant la revendication 1, dans "laquelle ledit organe d'actionnement (21) est un levier pivotant dans le boîtier (1), caractérisée en ce que les moyens de transmission comprennent une vis sans fin (30) couplée au moteur électrique (31), une roue dentée (28) montée rotative dans le boîtier (1) et un organe de poussée (27) solidaire de la roue (28), et en ce que ledit levier d'actionnement (21) comporte un chemin de came (21b) avec lequel ledit organe de poussée est destiné à coopérer lorsque ledit moteur (31) est excité pour dégager le doigt de blocage (25) du ou des crans (23,24) dudit levier d'actionnement (21).2. Lock according to claim 1, in which said actuating member (21) is a pivoting lever in the housing (1), characterized in that the transmission means comprise a worm (30) coupled to the electric motor (31), a toothed wheel (28) rotatably mounted in the housing (1) and a pushing member (27) integral with the wheel (28), and in that said actuating lever (21) comprises a cam path (21b) with which said pushing member is intended to cooperate when said motor (31) is excited to disengage the locking finger (25) from the notch (s) (23,24) of said actuation lever (21). 3. Serrure suivant la revendication 2, caractérisée en ce que ladite vis sans fin (30) comporte un filet trapézoïdal et en ce que la denture de ladite roue (28) est hélicoïdale.3. Lock according to claim 2, characterized in that said worm (30) comprises a trapezoidal thread and in that the toothing of said wheel (28) is helical. 4. Serrure suivant l'une quelconque des revendications 2 et 3, caractérisée en ce qu'un ressort (44) est associé audit levier d'actionnement (21) pour le solliciter en permanence contre le doigt de blocage (25).4. Lock according to any one of claims 2 and 3, characterized in that a spring (44) is associated with said actuating lever (21) to urge it permanently against the locking finger (25). 5. Serrure suivant l'une quelconque des revendications 1 à 4, caractérisée en ce qu'il est prévu un dispositif d'actionnement manuel de secours (35) permettant d'agir sur l'organe d'actionnement (21) en cas d'absence de la tension d'alimentation du moteur électrique (31).5. Lock according to any one of claims 1 to 4, characterized in that there is provided a manual emergency actuation device (35) for acting on the actuating member (21) in the event of 'absence of the supply voltage of the electric motor (31). 6. Serrure suivant la revendication 5, lorsqu'elle dépend de l'une quelconque des revendications 2 à 5, caractérisée en ce que ledit dispositif d'actionnement manuel comporte un levier (36,36A) articulé sur le boîtier (1) relié à une tirette (39) destinée à être prévu sur la face intérieure de la portière, et pourvu de moyens (41 ou 44) permettant de dégager le doigt de blocage (25) du ou des crans (23,24) du levier d'actionnement (21).6. Lock according to claim 5, when it depends on any one of claims 2 to 5, characterized in that said manual actuation device comprises a lever (36,36A) articulated on the housing (1) connected to a pull tab (39) intended to be provided on the interior face of the door, and provided with means (41 or 44) enabling the locking finger (25) to be released from the notch (s) (23,24) of the actuating lever (21). 7. Serrure suivant la revendication 6, caractérisée en ce que ledit levier d'actionnement manuel (36) comporte une patte latérale (41) destinée à venir en contact avec le levier d'actionnement (21) lorsqu'on agit sur ladite tirette (39).7. Lock according to claim 6, characterized in that said manual actuation lever (36) has a lateral tab (41) intended to come into contact with the actuation lever (21) when acting on said pull tab ( 39). 8. Serrure suivant la revendication 6, caractérisée en ce que ledit levier (36A) est pourvu d'une came (44) destinée à venir en contact avec le doigt de blocage (25) pour dégager celui-ci des crans (23,24) du levier d'actionnement, lorsqu'on agit sur ladite tirette (39).8. Lock according to claim 6, charac terized in that said lever (36A) is provided with a cam (44) intended to come into contact with the locking finger (25) to release the latter from the notches (23,24) of the actuating lever, when 'We act on said pull tab (39). 9. Serrure suivant l'une quelconque des revendications 6 à 8, lorsqu'elles dépendent de la revendication 4, caractérisée en ce que le levier d'actionnement (21) et le levier d'actionnement manuel (36,36A) sont montés pivotants autour d'une broche commune (22) autour de laquelle est enroulée ledit ressort (44), ce dernier rappelant les deux leviers dans leur position correspondant au verrouillage de la serrure.9. Lock according to any one of claims 6 to 8, when they depend on claim 4, characterized in that the actuation lever (21) and the manual actuation lever (36,36A) are pivotally mounted around a common pin (22) around which said spring (44) is wound, the latter recalling the two levers in their position corresponding to the locking of the lock. 10. Serrure suivant l'une quelconque des revendications 1 à 9, caractérisée en ce que ladite biellette intermédiaire (8) revêt la forme d'une plaque dans laquelle est pratiquée d'une part, une encoche (13) munie d'au moins un cran (15,16) pour la gâche (4) et d'autre part, deux lumières arquées au moyen desquelles cette plaque est guidée sur les axes d'articulation respectifs (11 et 12) des biellettes extrêmes (6,8).10. Lock according to any one of claims 1 to 9, characterized in that said intermediate link (8) takes the form of a plate in which is formed on the one hand, a notch (13) provided with at least a notch (15,16) for the keeper (4) and on the other hand, two arched openings by means of which this plate is guided on the respective articulation axes (11 and 12) of the end links (6,8). 11. Serrure suivant l'une quelconque des revendications 1 à 10, caractérisée en ce qu'un ressort (20) est associé audit train de biellettes(6,7,8) pouf les solliciter vers leur position de déverrouillage de la serrure.11. Lock according to any one of claims 1 to 10, characterized in that a spring (20) is associated with said train of rods (6,7,8) pouf bias them towards their unlocking position of the lock. 12. Serrure suivant l'une quelconque des revendications 2 à 11, caractérisée en ce que ledit moteur (31) est monté dans un circuit d'alimentation comprenant un premier commutateur (32) sensible à la position de la dite roue (28), un second commutateur (33) sensible à la position dudit doigt de blocage (25) et un troisième commutateur (43) de commande manuelle du moteur prévu sur la portière, ces commutateurs étant connectés de manière à provoquer un cycle de marche du moteur en deux temps, l'un pour le déverrouillage de la serrure et l'autre pour la remise en la configuration initiale de celle-ci sous la commande dudit troisième commutateur.12. Lock according to any one of claims 2 to 11, characterized in that said motor (31) is mounted in a supply circuit comprising a first switch (32) sensitive to the position of said wheel (28), a second switch (33) sensitive to the position of said locking finger (25) and a third switch (43) for manual control of the motor provided on the door, these switches being connected so to cause an engine running cycle in two stages, one for unlocking the lock and the other for resetting the initial configuration thereof under the control of said third switch.
EP19830401440 1982-08-09 1983-07-12 Electric lock for a vehicle door Expired EP0102263B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8213863 1982-08-09
FR8213863A FR2531477A1 (en) 1982-08-09 1982-08-09 ELECTRICALLY CONTROLLED LOCK FOR A MOTOR VEHICLE DOOR

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EP0102263A1 true EP0102263A1 (en) 1984-03-07
EP0102263B1 EP0102263B1 (en) 1986-01-15

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EP19830401440 Expired EP0102263B1 (en) 1982-08-09 1983-07-12 Electric lock for a vehicle door

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EP (1) EP0102263B1 (en)
DE (1) DE3361852D1 (en)
ES (1) ES274254Y (en)
FR (1) FR2531477A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302642A1 (en) * 1987-08-07 1989-02-08 Rockwell Automotive Body Systems (U.K.) Limited Vehicle door latches and locking mechanism
GB2250773A (en) * 1990-12-04 1992-06-17 David John Warner Automatic door look
FR2786801A1 (en) * 1998-12-07 2000-06-09 Peugeot CONDEMNATION / UNLOCKING STATE CONTROL SYSTEM OF A MOTORIZED OPENING LOCK, ESPECIALLY OF MOTOR VEHICLES

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559535B1 (en) * 1984-02-13 1989-05-12 Peugeot Aciers Et Outillage LOCK FOR MOTOR VEHICLE DOOR
DE19707812A1 (en) * 1997-02-27 1998-09-03 Daimler Benz Ag Internal lock, especially for vehicle side door

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098870A5 (en) * 1970-07-30 1972-03-10 Mecanismes Comp Ind De
FR2439284A1 (en) * 1978-10-18 1980-05-16 Peugeot Aciers Et Outil VEHICLE DOOR LOCK

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098870A5 (en) * 1970-07-30 1972-03-10 Mecanismes Comp Ind De
FR2439284A1 (en) * 1978-10-18 1980-05-16 Peugeot Aciers Et Outil VEHICLE DOOR LOCK

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302642A1 (en) * 1987-08-07 1989-02-08 Rockwell Automotive Body Systems (U.K.) Limited Vehicle door latches and locking mechanism
US4986098A (en) * 1987-08-07 1991-01-22 Rockwell Automotive Body Components (Uk) Ltd. Vehicle door latches and locking mechanism
GB2250773A (en) * 1990-12-04 1992-06-17 David John Warner Automatic door look
FR2786801A1 (en) * 1998-12-07 2000-06-09 Peugeot CONDEMNATION / UNLOCKING STATE CONTROL SYSTEM OF A MOTORIZED OPENING LOCK, ESPECIALLY OF MOTOR VEHICLES
EP1008711A1 (en) * 1998-12-07 2000-06-14 Automobiles Peugeot Control system for the locking/unlocking state of a power-operated lock for a motor vehicle

Also Published As

Publication number Publication date
ES274254Y (en) 1984-08-16
DE3361852D1 (en) 1986-02-27
EP0102263B1 (en) 1986-01-15
FR2531477A1 (en) 1984-02-10
FR2531477B1 (en) 1985-01-18
ES274254U (en) 1984-01-16

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