EP0943759B2 - Arrangement for the transmission of motion between a bolt and a motor vehicle lock - Google Patents

Arrangement for the transmission of motion between a bolt and a motor vehicle lock Download PDF

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Publication number
EP0943759B2
EP0943759B2 EP19990400633 EP99400633A EP0943759B2 EP 0943759 B2 EP0943759 B2 EP 0943759B2 EP 19990400633 EP19990400633 EP 19990400633 EP 99400633 A EP99400633 A EP 99400633A EP 0943759 B2 EP0943759 B2 EP 0943759B2
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EP
European Patent Office
Prior art keywords
axis
transmission shaft
rotary
output component
rotation
Prior art date
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EP19990400633
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German (de)
French (fr)
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EP0943759B1 (en
EP0943759A1 (en
Inventor
David c/o VALEO SECURITE HABITACLE Da Silva
Renaud Julien
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Valeo Comfort and Driving Assistance SAS
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Valeo Securite Habitacle SAS
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Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member
    • E05B17/041—Coupling device with a shaft projecting axially rearwardly from the cylinder, e.g. affording a degree of universal motion to compensate for misalignment
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/06—Lock cylinder arrangements

Definitions

  • the present invention relates to an arrangement for controlling a lock, fitted to a motor vehicle, by means of a lock.
  • the invention more particularly relates to an arrangement for the mechanical transmission of a rotational movement between a rotary output member, belonging to a lock of a motor vehicle, and a rotary input member, the rotation axis of which is not coaxial with that of the output member, belonging to a mechanism of a lock, by means of a transmission shaft.
  • the motion transmission between the lock rotor, or any other rotary output member thereof, and an input member of the lock mechanism can be provided by means of an intermediate transmission element which can be a linkage and preferably a transmission shaft of simple design and allowing the clearance-free angular drive of the lock mechanism to which it can transmit relatively large torques.
  • each of the two opposite ends of the transmission shaft, front and rear is rotatably connected to one of the two rotary, output and rotary members. entry respectively by an articulated transmission joint allowing relative angular displacement between the axis of the transmission shaft and the axis of rotation of the corresponding rotary member, and a relative axial displacement.
  • Such a relative axial displacement of the transmission shaft with respect to the output and input members is firstly a generator of noise and wear and, secondly, it does not allow to mount the shaft of transmission "blind" to the lock.
  • the invention proposes an arrangement for the mechanical transmission of a rotational movement between a rotary output member, belonging to a lock of a motor vehicle, and a rotary input member whose axis of rotation is not coaxial with that of the output member, belonging to a mechanism of a lock, and a device, which comprises a transmission shaft, for the mechanical transmission of a rotational movement between the rotary output member and the rotary input member, of the type in which each of the two opposite ends of the transmission shaft, front and rear, is rotatably connected to one of the two rotary, output and respectively, by an articulated transmission joint allowing a relative misalignment between the axis of the transmission shaft and the axis of rotation of the corresponding rotary member, the front transmission joint being a seal of Cardan comprising technical means that longitudinally immobilize the transmission shaft relative to the rotary output member, the forward end of the transmission shaft being received in an open housing of axial orientation formed at the free end of a rear sleeve of
  • the arrangement 10 illustrated in Figure 1 comprises a latch 12 which has been shown only a stator 14, which is for example intended to equip a motor vehicle door, and its rotary output member 16 which is rotatably mounted in the stator 14 around an axis A1.
  • the rotary output member 16 is axially connected to an inner member 18 by an elastic ring 20, or circlip, radially received in a groove 22.
  • the latch 12 is intended to drive in rotation a lock mechanism which is schematically shown a rotary member 24 of movement input which is intended to rotate relative to a lock housing not shown in the figures, about an axis rotation A3.
  • the motion transmission between the rotary output member 16 and the rotary input member 24 is ensured by means of a transmission shaft 26, with a longitudinal axis A2, both of which opposite longitudinal ends, front 28 and rear 30, are respectively rotatably connected to the output member 16 and the input member 24 each by an articulated transmission joint allowing a misalignment between the axis A2 of the transmission shaft 26 and the axis of rotation A1, A3 of the corresponding rotary member 16, 24.
  • the articulated transmission joint arranged at the rear end 30 is constituted essentially by a hinge sphere 32 which comprises two diametrically opposite radial arms 34 which extend outwards, this assembly being received in the end open tubular 36 vis-à-vis the rotary input member 24 whose inner cylindrical housing38 is complementary to the dimensions of the sphere 32 and which has two axial open slots 40 which receive in sliding and rotation arms 34.
  • This known design makes it possible to introduce axially, from front to back, the end 30 into the member 24.
  • the articulated transmission joint which connects the front longitudinal end 28 of the transmission shaft 26 to the rotary output member 16 is an articulated cardan joint, that is to say whose two axes are concurrent and immobilizes longitudinally two components articulated together around a center of rotation.
  • the cardan joint comprises a hinge sphere 42 which is received axially in a cylindrical bore 44 of axis A1 formed in a tubular extension 46 of rear longitudinal end of the rotary output member 16.
  • the hinge joint comprises a cylindrical hinge rod 48 which extends diametrically along a perpendicular axis A4 and coinciding with the axis A1, and which is mounted in the tubular extension 46 in the manner of a diametrical pin.
  • the hinge sphere has a circular hole 50 through which the hinge pin 48 extends vertically with a slight clearance so as to allow relative rotation of the sphere 42 relative to the fixed hinge pin 48 around the axis A4.
  • the circular hole 50 is arranged in an axial plane of the transmission shaft 26 and in a diametral plane of the sphere 42 centered on the axis A2, and it extends vertically, upwards and downwards (considering the Figures 1 and 2), by an upper guide slot 54 and lower 56.
  • the two slots 54 and 56 are symmetrical with respect to the median vertical plane corresponding to the section plane of FIG. 2 and relative to the median horizontal plane in which the circular hole 50 extends.
  • each of the guide slots 54 is, as can be seen in particular in FIG. 3, equal to the diameter of the hole 50 and is thus substantially equal to the diameter of the articulation rod 58.
  • Each of the two slots 54, 56 which extends in a median vertical plane of the transmission shaft 26 has a flared profile opening respectively upwardly and downwardly and which, in the example illustrated in the figures, is a V profile.
  • the articulation sphere 42, and therefore the transmission shaft 26 can rotate in both directions around a transverse axis A5 perpendicular and concurrent to the axis A4 of the rod hinge 48, that is to say that, overall, the front longitudinal end 28 of the transmission shaft 26 is hinged relative to the output member 16 by a cardan joint whose center of rotation C, corresponding to the intersection of the axes A4 and A5, corresponds to the point of competition of the axes A1 and A2.
  • a weakly calibrated spring 60 of initial alignment of the axes A1 and A2 is arranged around the transmission shaft 26 between its front end 28 and the tubular extension 46.
  • the flared V-shaped profile of the slots 54, 56 allows an angular displacement of the transmission shaft 26 about the axis A5 which is for example equal to 30 ° on either side of the aligned position illustrated in Figure 2 , the angular displacement of the transmission shaft 26 about the axis A4 being determined by the abutment of the longitudinal end front 28 against the circular edge which surrounds the rear end of the bore 44.
  • the transverse width along the axis A5 is substantially equal to the outer diameter of the hinge rod 48, there is no possibility of rotation of the transmission shaft 26 around its axis A2 with respect to the output member 16 and the rear end 30 of the transmission shaft 26 is thus angularly oriented precisely relative to the output member 16.
  • This characteristic of angular indexing of the articulation sphere 32 with its arms 34 allows, during assembly of the arrangement 10 on a vehicle, and in particular during the axial insertion blind of the rear end 30 in the rotary input member 24, d angularly orient these two elements, the original angular position of the output member 16 relative to the stator 14 resulting from the design of the latch 12.
  • the convex hinge sphere 42 is guided in rotation in a concave complementary spherical surface portion 62 formed in the bore 44 of the output member 16.
  • the output member 16 is made in two parts.
  • a first rear portion 16A is a part whose general design corresponds to that of the output member 16 in one piece shown in Figures 1 and 2 and previously described.
  • the second front portion 16B is rotatably mounted relative to the portion 16A, about the axis A1, with a limited relative angular deflection possibility.
  • the rear longitudinal end circular edge 64 of the front portion 16B comprises an axially oriented lug 66 which is received in a peripheral arcuate groove 68 formed in the peripheral circular edge 70 vis-à- screw of the front part 16A.
  • the two angular ends 72 of the groove 68 in cooperation with the tab 66, define the relative angular travel of the two parts 16A and 16B.
  • the portion 16A has a slot 74 for the radial insertion of the elastic ring 20 which provides the mutual axial retention of the two parts 16A and 16B.
  • the hinge pin 48 constitutes a vertical branch of radial orientation of a single element 76 in folded piano string.
  • the hinge pin 48 is extended externally by an axially oriented leg 78 which extends axially forward to extend through a notch 80 formed in the edge 70 of the rear portion 16A. to penetrate inside the open rear face of the rear portion 16B.
  • the axial branch 78 can be received in an axial notch or groove 82 formed in the inner annular cylindrical wall 84 of the rear portion 16B between two flats 86 which extend along a rope.
  • the axial branch 78 is elastically deformable in a radial direction so as to allow its escape from the groove or notch 82 to allow limited rotation between the two parts 16A and 16B.

Landscapes

  • Lock And Its Accessories (AREA)
  • Mechanical Operated Clutches (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

La présente invention concerne un agencement pour la commande d'une serrure, équipant un véhicule automobile, au moyen d'un verrou.The present invention relates to an arrangement for controlling a lock, fitted to a motor vehicle, by means of a lock.

L'invention concerne plus particulièrement un agencement pour la transmission mécanique d'un mouvement de rotation entre un organe rotatif de sortie, appartenant à un verrou d'un véhicule automobile, et un organe rotatif d'entrée, dont l'axe de rotation n'est pas coaxial à celui de l'organe de sortie, appartenant à un mécanisme d'une serrure, au moyen d'un arbre de transmission.The invention more particularly relates to an arrangement for the mechanical transmission of a rotational movement between a rotary output member, belonging to a lock of a motor vehicle, and a rotary input member, the rotation axis of which is not coaxial with that of the output member, belonging to a mechanism of a lock, by means of a transmission shaft.

Compte tenu des difficultés d'agencement du verrou et du mécanisme de serrure associés, par exemple dans une porte de véhicule automobile, et notamment en fonction de la place disponible et de l'encombrement résultant des autres équipements de la porte, il est souvent nécessaire que la transmission de mouvement entre le rotor du verrou, ou tout autre organe rotatif de sortie de ce dernier, et un organe d'entrée du mécanisme de serrure puisse être assurée au moyen d'un élément intermédiaire de transmission qui peut être une tringlerie et, de préférence, un arbre de transmission de conception simple et permettant l'entraînement angulaire sans jeu du mécanisme de serrure auquel il peut transmettre des couples relativement importants.Given the difficulties of arrangement of the lock and the associated lock mechanism, for example in a motor vehicle door, and in particular depending on the available space and the space requirement resulting from the other equipment of the door, it is often necessary that the motion transmission between the lock rotor, or any other rotary output member thereof, and an input member of the lock mechanism can be provided by means of an intermediate transmission element which can be a linkage and preferably a transmission shaft of simple design and allowing the clearance-free angular drive of the lock mechanism to which it can transmit relatively large torques.

Ces difficultés imposent de pouvoir transmettre le mouvement entre deux organes rotatifs dont les axes ne sont pas alignés ni même parallèles, ces défauts géométriques étant de plus variables en fonction des tolérances de fabrication et d'assemblage des différents éléments.These difficulties require to be able to transmit the movement between two rotary members whose axes are not aligned or even parallel, these geometrical defects being moreover variable according to the manufacturing and assembly tolerances of the various elements.

Afin de remédier à ces inconvénients, il a déjà été proposé un agencement dans lequel chacune des deux extrémités opposées de l'arbre de transmission, avant et arrière, est liée en rotation à l'un des deux organes rotatifs, de sortie et d'entrée respectivement, par un joint de transmission articulé autorisant un déplacement angulaire relatif entre l'axe de l'arbre de transmission et l'axe de rotation de l'organe rotatif correspondant, ainsi qu'un déplacement axial relatif.In order to overcome these drawbacks, an arrangement has already been proposed in which each of the two opposite ends of the transmission shaft, front and rear, is rotatably connected to one of the two rotary, output and rotary members. entry respectively by an articulated transmission joint allowing relative angular displacement between the axis of the transmission shaft and the axis of rotation of the corresponding rotary member, and a relative axial displacement.

Un tel déplacement axial relatif de l'arbre de transmission par rapport aux organes de sortie et d'entrée est d'une part générateur de bruits et d'usure et, d'autre part, il ne permet pas de monter l'arbre de transmission "en aveugle" par rapport à la serrure.Such a relative axial displacement of the transmission shaft with respect to the output and input members is firstly a generator of noise and wear and, secondly, it does not allow to mount the shaft of transmission "blind" to the lock.

Afin de remédier à ces inconvénients, l'invention propose un agencement pour la transmission mécanique d'un mouvement de rotation entre un organe rotatif de sortie, appartenant à un verrou d'un véhicule automobile, et un organe rotatif d'entrée dont l'axe de rotation n'est pas coaxial à celui de l'organe de sortie, appartenant à un mécanisme d'une serrure, et un dispositif, qui comprend un arbre de transmission, pour la transmission mécanique d'un mouvement de rotation entre l'organe rotatif de sortie et l'organe rotatif d'entrée, du type dans lequel chacune des deux extrémités opposées de l'arbre de transmission, avant et arrière, est liée en rotation à l'un des deux organes rotatifs, de sortie et d'entrée respectivement, par un joint de transmission articulé autorisant un défaut d'alignement relatif entre l'axe de l'arbre de transmission et l'axe de rotation de l'organe rotatif correspondant, le joint de transmission avant étant un joint de Cardan comportant des moyens techniques qui immobilisent longitudinalement l'arbre de transmission par rapport à l'organe rotatif de sortie, l'extrémité avant de l'arbre de transmission étant reçue dans un logement ouvert d'orientation axiale formé à l'extrémité libre d'un manchon arrière de l'organe de sortie, une tige d'articulation s'étendant à travers deux trous alignés, supérieur et inférieur, formés dans la paroi cylindrique annulaire du manchon arrière, caractérisé en ce que la tige d'articulation comporte un prolongement pour l'indexation angulaire du manchon arrière par rapport à un autre élément coaxial de l'organe de sortie.In order to overcome these drawbacks, the invention proposes an arrangement for the mechanical transmission of a rotational movement between a rotary output member, belonging to a lock of a motor vehicle, and a rotary input member whose axis of rotation is not coaxial with that of the output member, belonging to a mechanism of a lock, and a device, which comprises a transmission shaft, for the mechanical transmission of a rotational movement between the rotary output member and the rotary input member, of the type in which each of the two opposite ends of the transmission shaft, front and rear, is rotatably connected to one of the two rotary, output and respectively, by an articulated transmission joint allowing a relative misalignment between the axis of the transmission shaft and the axis of rotation of the corresponding rotary member, the front transmission joint being a seal of Cardan comprising technical means that longitudinally immobilize the transmission shaft relative to the rotary output member, the forward end of the transmission shaft being received in an open housing of axial orientation formed at the free end of a rear sleeve of the output member, a hinge pin extending through two aligned upper and lower holes formed in the annular cylindrical wall of the rear sleeve, characterized in that the hinge pin comprises a extension for the angular indexing of the rear sleeve relative to another coaxial element of the output member.

Selon d'autres caractéristiques de l'invention :

  • le joint d'articulation avant comporte une tige cylindrique d'articulation qui est fixée à l'organe rotatif de sortie, qui est concourante à l'axe de rotation de ce dernier, et qui s'étend verticalement suivant un axe à travers un trou circulaire, formé dans l'extrémité avant de l'arbre de transmission, dont le diamètre est sensiblement égal à celui de la tige d'articulation et qui se prolonge verticalement vers le haut et vers le bas par une fente de guidage, supérieure et inférieure respectivement, de largeur sensiblement égale au diamètre de la tige d'articulation, les deux fentes s'étendant dans un plan vertical médian de l'arbre de transmission et présentant un profil évasé vers le haut et vers le bas respectivement.
  • le profil évasé de chacune des deux fentes est un profil en V.
  • l'axe de la tige d'articulation est perpendiculaire à l'axe de rotation de l'organe rotatif de sortie.
  • l'extrémité avant de l'arbre de transmission est guidée en rotation, par rapport à l'organe de sortie, autour d'un centre de rotation correspondant à l'intersection de l'axe de la tige d'articulation avec l'axe de rotation de l'organe de sortie.
  • l'extrémité avant de l'arbre de transmission est conformée en une sphère convexe centrée sur l'axe de l'arbre et est guidée en rotation dans une portion de surface sphérique concave complémentaire formée dans l'organe rotatif de sortie.
  • la portion de surface sphérique concave formée dans l'organe rotatif de sortie est formée dans ledit logement.
  • le prolongement de la tige d'articulation est une branche qui s'étend axialement vers l'avant et qui est reçu dans une rainure complémentaire de l'autre élément de l'organe rotatif de sortie.
According to other features of the invention:
  • the front articulation joint comprises a cylindrical articulation rod which is fixed to the rotary output member, which is concurrent with the axis of rotation of the latter, and which extends vertically along an axis through a hole circular, formed in the forward end of the drive shaft, whose diameter is substantially equal to that of the hinge pin and which extends vertically upwards and downwards by a guide slot, upper and lower respectively, of width substantially equal to the diameter of the hinge pin, the two slots extending in a median vertical plane of the transmission shaft and having a flared profile upwardly and downward respectively.
  • the flared profile of each of the two slots is a V-shaped profile.
  • the axis of the hinge pin is perpendicular to the axis of rotation of the rotary output member.
  • the forward end of the transmission shaft is guided in rotation, with respect to the output member, about a center of rotation corresponding to the intersection of the axis of the articulation rod with the axis of rotation of the output member.
  • the forward end of the transmission shaft is shaped into a convex sphere centered on the axis of the shaft and is guided in rotation in a complementary concave spherical surface portion formed in the rotary output member.
  • the concave spherical surface portion formed in the output rotary member is formed in said housing.
  • the extension of the hinge rod is a branch which extends axially forward and which is received in a groove complementary to the other element of the rotary output member.

D'autres caractéristiques et avantages de l'invention apparaitront à la lecture de la description détaillée qui suit pour la compréhension de laquelle on se reportera aux dessins annexés dans lesquels :

  • la figure 1 est une vue schématique en perspective éclatée des principaux composants d'un agencement conforme aux enseignements de l'invention ;
  • la figure 2 est une vue en section axiale de certains des éléments de la figure 1 illustrés en position assemblée ;
  • la figure 3 est une vue de dessus de l'arbre de transmission de l'agencement illustré à la figure 1 ;
  • la figure 4 est une vue similaire à celle de la figure 2 qui illustre un deuxième mode de réalisation d'un agencement conforme aux enseignements de l'invention ;
  • la figure 5 est une vue en perspective éclatée des composants illustrés en section longitudinale à la figure 4 ;
  • la figure 6 est une vue selon la flèche F6 de la figure 5 qui illustre l'une des deux parties de l'organe rotatif de sortie ; et
  • la figure 7 est une vue selon la flèche F7 de la figure 5 qui illustre l'autre des deux parties de l'organe rotatif de sortie.
Other features and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawings in which:
  • Figure 1 is a schematic exploded perspective view of the main components of an arrangement according to the teachings of the invention;
  • Figure 2 is an axial sectional view of some of the elements of Figure 1 shown in the assembled position;
  • Figure 3 is a top view of the transmission shaft of the arrangement shown in Figure 1;
  • Figure 4 is a view similar to that of Figure 2 which illustrates a second embodiment of an arrangement according to the teachings of the invention;
  • Figure 5 is an exploded perspective view of the components shown in longitudinal section in Figure 4;
  • Figure 6 is a view along the arrow F6 of Figure 5 which illustrates one of the two parts of the rotary output member; and
  • Figure 7 is a view along the arrow F7 of Figure 5 which illustrates the other of the two parts of the rotary output member.

Il est à noter que les figures 1 et 2 divulguent un mode de réalisation non couvert par les revendications mais qui est utile à la compréhension de l'invention.It should be noted that Figures 1 and 2 disclose an embodiment not covered by the claims but is useful for understanding the invention.

Dans la description qui va suivre, des composants identiques, similaires ou analogues sont désignés par les mêmes chiffres de référence.In the following description, identical, similar or similar components are designated by the same reference numerals.

Pour faciliter la compréhension de la description et des revendications, on utilisera, à titre non limitatif et en référence aux figures, les expressions "horizontal", "vertical", "inférieur", "supérieur", "avant", "arrière", etc.For ease of understanding of the description and of the claims, the terms "horizontal", "vertical", "lower", "upper", "front", "rear", and so on will be used in a nonlimiting manner and with reference to the figures. etc.

L'agencement 10 illustré à la figure 1 comporte un verrou 12 dont on a représenté seulement un stator 14, qui est par exemple destiné à équiper une porte de véhicule automobile, et son organe rotatif de sortie 16 qui est monté à rotation dans le stator 14 autour d'un axe A1.The arrangement 10 illustrated in Figure 1 comprises a latch 12 which has been shown only a stator 14, which is for example intended to equip a motor vehicle door, and its rotary output member 16 which is rotatably mounted in the stator 14 around an axis A1.

Comme on peut le voir à la figure 2, l'organe de sortie rotatif 16 est lié axialement à un élément interne 18 par un anneau élastique 20, ou circlips, reçu radialement dans une gorge 22.As can be seen in FIG. 2, the rotary output member 16 is axially connected to an inner member 18 by an elastic ring 20, or circlip, radially received in a groove 22.

Le verrou 12 est destiné à entraîner en rotation un mécanisme de serrure dont on a représenté schématiquement un organe rotatif 24 d'entrée de mouvement qui est prévu pour tourner par rapport à un boîtier de serrure non représenté sur les figures, autour d'un axe de rotation A3.The latch 12 is intended to drive in rotation a lock mechanism which is schematically shown a rotary member 24 of movement input which is intended to rotate relative to a lock housing not shown in the figures, about an axis rotation A3.

Conformément aux enseignements de l'invention, la transmission de mouvement entre l'organe rotatif de sortie 16 et l'organe rotatif d'entrée 24 est assurée au moyen d'un arbre de transmission 26, d'axe longitudinal A2, dont les deux extrémités longitudinales opposées, avant 28 et arrière 30, sont respectivement liées en rotation à l'organe de sortie 16 et à l'organe d'entrée 24 chacune par un joint de transmission articulé autorisant un défaut d'alignement entre l'axe A2 de l'arbre de transmission 26 et l'axe de rotation A1, A3 de l'organe rotatif correspondant 16, 24.According to the teachings of the invention, the motion transmission between the rotary output member 16 and the rotary input member 24 is ensured by means of a transmission shaft 26, with a longitudinal axis A2, both of which opposite longitudinal ends, front 28 and rear 30, are respectively rotatably connected to the output member 16 and the input member 24 each by an articulated transmission joint allowing a misalignment between the axis A2 of the transmission shaft 26 and the axis of rotation A1, A3 of the corresponding rotary member 16, 24.

Le joint articulé de transmission agencé à l'extrémité arrière 30 est constitué pour l'essentiel par une sphère d'articulation 32 qui comporte deux bras radiaux diamétralement opposés 34 qui s'étendent vers l'extérieur, cet ensemble étant reçu dans l'extrémité tubulaire ouverte 36 en vis-à-vis de l'organe rotatif d'entrée 24 dont le logement interne cylindrique38 est complémentaire des dimensions de la sphère 32 et qui comporte deux fentes axiales débouchantes 40 qui reçoivent en coulissement et en rotation les bras 34. Cette conception connue permet d'introduire axialement, d'avant en arrière, l'extrémité 30 dans l'organe 24.The articulated transmission joint arranged at the rear end 30 is constituted essentially by a hinge sphere 32 which comprises two diametrically opposite radial arms 34 which extend outwards, this assembly being received in the end open tubular 36 vis-à-vis the rotary input member 24 whose inner cylindrical housing38 is complementary to the dimensions of the sphere 32 and which has two axial open slots 40 which receive in sliding and rotation arms 34. This known design makes it possible to introduce axially, from front to back, the end 30 into the member 24.

Conformément aux enseignements de l'invention, le joint de transmission articulé qui relie l'extrémité longitudinale avant 28 de l'arbre de transmission 26 à l'organe rotatif de sortie 16 est un joint articulé de Cardan, c'est-à-dire dont les deux axes sont concourants et qui immobilise longitudinalement les deux composants articulés entre eux autour d'un centre de rotation.According to the teachings of the invention, the articulated transmission joint which connects the front longitudinal end 28 of the transmission shaft 26 to the rotary output member 16 is an articulated cardan joint, that is to say whose two axes are concurrent and immobilizes longitudinally two components articulated together around a center of rotation.

Le joint de Cardan comporte une sphère d'articulation 42 qui est reçue axialement dans un alésage cylindrique 44 d'axe A1 formé dans un prolongement tubulaire 46 d'extrémité longitudinale arrière de l'organe rotatif de sortie 16.The cardan joint comprises a hinge sphere 42 which is received axially in a cylindrical bore 44 of axis A1 formed in a tubular extension 46 of rear longitudinal end of the rotary output member 16.

Le joint d'articulation comporte une tige cylindrique d'articulation 48 qui s'étend diamétralement, selon un axe A4 perpendiculaire et concourant à l'axe A1, et qui est monté dans le prolongement tubulaire 46 à la manière d'une goupille diamétrale.The hinge joint comprises a cylindrical hinge rod 48 which extends diametrically along a perpendicular axis A4 and coinciding with the axis A1, and which is mounted in the tubular extension 46 in the manner of a diametrical pin.

La sphère d'articulation comporte un trou circulaire 50 à travers lequel la tige d'articulation 48 s'étend verticalement avec un léger jeu de manière à permettre une rotation relative de la sphère 42 par rapport à la tige d'articulation fixe 48 autour de l'axe A4.The hinge sphere has a circular hole 50 through which the hinge pin 48 extends vertically with a slight clearance so as to allow relative rotation of the sphere 42 relative to the fixed hinge pin 48 around the axis A4.

Le trou circulaire 50 est agencé dans un plan axial de l'arbre de transmission 26 et dans un plan diamétral de la sphère 42 centrée sur l'axe A2, et il se prolonge verticalement, vers le haut et vers le bas (en considérant les figures 1 et 2), par une fente de guidage supérieure 54 et inférieure 56.The circular hole 50 is arranged in an axial plane of the transmission shaft 26 and in a diametral plane of the sphere 42 centered on the axis A2, and it extends vertically, upwards and downwards (considering the Figures 1 and 2), by an upper guide slot 54 and lower 56.

Les deux fentes 54 et 56 sont symétriques par rapport au plan vertical médian correspondant au plan de coupe de la figure 2 et par rapport au plan horizontal médian dans lequel s'étend le trou circulaire 50.The two slots 54 and 56 are symmetrical with respect to the median vertical plane corresponding to the section plane of FIG. 2 and relative to the median horizontal plane in which the circular hole 50 extends.

La largeur transversale de chacune des fentes de guidage 54 est, comme on peut le voir notamment sur la figure 3, égale au diamètre du trou 50 et est donc sensiblement égale au diamètre de la tige d'articulation 58.The transverse width of each of the guide slots 54 is, as can be seen in particular in FIG. 3, equal to the diameter of the hole 50 and is thus substantially equal to the diameter of the articulation rod 58.

Chacune des deux fentes 54, 56 qui s'étend dans un plan vertical médian de l'arbre de transmission 26 présente un profil évasé s'ouvrant respectivement vers le haut et vers le bas et qui, dans l'exemple illustré sur les figures, est un profil en V.Each of the two slots 54, 56 which extends in a median vertical plane of the transmission shaft 26 has a flared profile opening respectively upwardly and downwardly and which, in the example illustrated in the figures, is a V profile.

Grâce à la conception des fentes 54 et 56, la sphère d'articulation 42, et donc l'arbre de transmission 26, peut tourner dans les deux sens autour d'un axe transversal A5 perpendiculaire et concourant à l'axe A4 de la tige d'articulation 48, c'est-à-dire que, globalement, l'extrémité longitudinale avant 28 de l'arbre de transmission 26 est articulé par rapport à l'organe de sortie 16 par un joint de Cardan dont le centre de rotation C, correspondant à l'intersection des axes A4 et A5, correspond au point de concours des axes A1 et A2.Thanks to the design of the slots 54 and 56, the articulation sphere 42, and therefore the transmission shaft 26, can rotate in both directions around a transverse axis A5 perpendicular and concurrent to the axis A4 of the rod hinge 48, that is to say that, overall, the front longitudinal end 28 of the transmission shaft 26 is hinged relative to the output member 16 by a cardan joint whose center of rotation C, corresponding to the intersection of the axes A4 and A5, corresponds to the point of competition of the axes A1 and A2.

Un ressort faiblement taré 60 d'alignement initial des axes A1 et A2 est agencé autour de l'arbre de transmission 26 entre son extrémité avant 28 et le prolongement tubulaire 46.A weakly calibrated spring 60 of initial alignment of the axes A1 and A2 is arranged around the transmission shaft 26 between its front end 28 and the tubular extension 46.

Le profil évasé en V des fentes 54, 56 permet un débattement angulaire de l'arbre de transmission 26 autour de l'axe A5 qui est par exemple égal à 30° de part et d'autre de la position alignée illustrée à la figure 2, le débattement angulaire de l'arbre de transmission 26 autour de l'axe A4 étant déterminé par la venue en butée de l'extrémité longitudinale avant 28 contre le bord circulaire qui l'entoure l'extrémité arrière de l'alésage 44.The flared V-shaped profile of the slots 54, 56 allows an angular displacement of the transmission shaft 26 about the axis A5 which is for example equal to 30 ° on either side of the aligned position illustrated in Figure 2 , the angular displacement of the transmission shaft 26 about the axis A4 being determined by the abutment of the longitudinal end front 28 against the circular edge which surrounds the rear end of the bore 44.

Du fait des dimensions des fentes 54 et 56, dont la largeur transversale selon l'axe A5 est sensiblement égale au diamètre externe de la tige d'articulation 48, il n'existe aucune possibilité de rotation de l'arbre de transmission 26 autour de son axe A2 par rapport à l'organe de sortie 16 et l'extrémité arrière 30 de l'arbre de transmission 26 est ainsi orientée angulairement de manière précise par rapport à l'organe de sortie 16. Cette caractéristique d'indexation angulaire de la sphère d'articulation 32 avec ses bras 34 permet, lors du montage de l'agencement 10 sur un véhicule, et notamment lors de l'introduction axiale en aveugle de l'extrémité arrière 30 dans l'organe rotatif d'entrée 24, d'orienter angulairement ces deux éléments, la position angulaire d'origine de l'organe de sortie 16 par rapport au stator 14 résultant de la conception du verrou 12.Because of the dimensions of the slots 54 and 56, the transverse width along the axis A5 is substantially equal to the outer diameter of the hinge rod 48, there is no possibility of rotation of the transmission shaft 26 around its axis A2 with respect to the output member 16 and the rear end 30 of the transmission shaft 26 is thus angularly oriented precisely relative to the output member 16. This characteristic of angular indexing of the articulation sphere 32 with its arms 34 allows, during assembly of the arrangement 10 on a vehicle, and in particular during the axial insertion blind of the rear end 30 in the rotary input member 24, d angularly orient these two elements, the original angular position of the output member 16 relative to the stator 14 resulting from the design of the latch 12.

On décrira maintenant la variante de réalisation illustrée aux figures 4 à 7.We will now describe the embodiment variant illustrated in Figures 4 to 7.

Dans ce mode de réalisation, la sphère d'articulation convexe 42 est guidée en rotation dans une portion de surface sphérique complémentaire concave 62 formée dans l'alésage 44 de l'organe de sortie 16.In this embodiment, the convex hinge sphere 42 is guided in rotation in a concave complementary spherical surface portion 62 formed in the bore 44 of the output member 16.

Par ailleurs, l'organe de sortie 16 est réalisé en deux parties.Moreover, the output member 16 is made in two parts.

Une première partie arrière 16A est une partie dont la conception générale correspond à celle de l'organe de sortie 16 en une seule pièce illustré aux figures 1 et 2 et décrite précédemment.A first rear portion 16A is a part whose general design corresponds to that of the output member 16 in one piece shown in Figures 1 and 2 and previously described.

La seconde partie avant 16B est montée tournante par rapport à la partie 16A, autour de l'axe A1, avec une possibilité de débattement angulaire relatif limité.The second front portion 16B is rotatably mounted relative to the portion 16A, about the axis A1, with a limited relative angular deflection possibility.

A cet effet, le bord circulaire d'extrémité longitudinale arrière 64 de la partie avant 16B comporte une patte 66 d'orientation axiale qui est reçue dans une rainure périphérique en arc de cercle 68 formée dans le bord circulaire périphérique 70 en vis-à-vis de la partie avant 16A.For this purpose, the rear longitudinal end circular edge 64 of the front portion 16B comprises an axially oriented lug 66 which is received in a peripheral arcuate groove 68 formed in the peripheral circular edge 70 vis-à- screw of the front part 16A.

Les deux extrémités angulaires 72 de la rainure 68, en coopération avec la patte 66, délimitent la course angulaire relative des deux parties 16A et 16B.The two angular ends 72 of the groove 68, in cooperation with the tab 66, define the relative angular travel of the two parts 16A and 16B.

La partie 16A comporte une fente 74 pour l'introduction radiale de l'anneau élastique 20 qui assure la retenue axiale mutuelle des deux parties 16A et 16B.The portion 16A has a slot 74 for the radial insertion of the elastic ring 20 which provides the mutual axial retention of the two parts 16A and 16B.

Afin d'assurer une orientation angulaire de l'arbre de transmission 26 par rapport à l'organe de sortie 16 en deux parties 16A et 16B, la tige d'articulation 48 constitue une branche verticale d'orientation radiale d'un élément unique 76 en corde à piano pliée.In order to ensure angular orientation of the transmission shaft 26 relative to the output member 16 in two parts 16A and 16B, the hinge pin 48 constitutes a vertical branch of radial orientation of a single element 76 in folded piano string.

Ainsi, la tige d'articulation 48 se prolonge à l'extérieur par une branche 78 d'orientation axiale qui s'étend axialement vers l'avant pour s'étendre à travers une encoche 80 formée dans le bord 70 de la partie arrière 16A pour pénétrer à l'intérieur de la face arrière ouverte de la partie arrière 16B.Thus, the hinge pin 48 is extended externally by an axially oriented leg 78 which extends axially forward to extend through a notch 80 formed in the edge 70 of the rear portion 16A. to penetrate inside the open rear face of the rear portion 16B.

Ainsi, la branche axiale 78 peut être reçue dans une encoche ou rainure axiale 82 formée dans la paroi cylindrique annulaire interne 84 de la partie arrière 16B entre deux méplats 86 qui s'étendent selon une corde.Thus, the axial branch 78 can be received in an axial notch or groove 82 formed in the inner annular cylindrical wall 84 of the rear portion 16B between two flats 86 which extend along a rope.

Lorsque la branche 78 est dans le cran 82, la partie avant 16B est indexée angulairement par rapport à la partie arrière 16A et l'organe de sortie 16 est ainsi parfaitement indexé angulairement par rapport à l'arbre de transmission 26.When the branch 78 is in the notch 82, the front portion 16B is indexed angularly with respect to the rear portion 16A and the output member 16 is thus perfectly indexed angularly with respect to the transmission shaft 26.

Du fait de la conception de la pièce 76, la branche axiale 78 est déformable élastiquement selon une direction radiale de manière à permettre son échappement hors de la rainure ou encoche 82 pour permettre une rotation limitée entre les deux parties 16A et 16B.Due to the design of the part 76, the axial branch 78 is elastically deformable in a radial direction so as to allow its escape from the groove or notch 82 to allow limited rotation between the two parts 16A and 16B.

Claims (8)

  1. Mechanical system (10) including a rotary output component (16), which is part of a latch (12) on a motor vehicle, a rotary input component (24) whose axis of rotation (A3) is not coaxial to that (A1) of the output component (16), which is part of a lock mechanism, and a device, which comprises a transmission shaft (26) for mechanically transmitting a rotational movement between rotary output component (16) and rotary input component (24) whereby both of the opposite ends of the transmission shaft (26), the front end (28)and rear end (30) are each rotationally connected to one of the two rotary components, output (16) and input (24) components respectively, by an articulated transmission joint which allows a relative misalignment between the transmission shaft (26) axis (A2) and the axis of rotation (A1, A3) of the corresponding rotary component (16, 24), and where the front transmission joint is a universal joint (42, 48, 50) including technical means for longitudinally immobilising the transmission shaft (26) with respect to rotary output component (16), and where the front end (28, 42) of transmission shaft (26) is inserted in an axially-oriented open housing (44) formed at the free end of a rear sleeve (46) of output component (16), with an articulation rod (48) running through two aligned upper and lower holes formed in the cylindrical annular wall of rear sleeve (46), characterised in that articulation rod (48, 76) includes an extension (78) for angular indexing of rear sleeve (46) with respect to another coaxial component (16B) of output component (16, 16A, 16B).
  2. Mechanical system (10) of claim 1, characterised in that the front articulation joint includes a cylindrical articulation rod (48) which is secured to rotary output organ (16), which is convergent with the axis of rotation (A1) of said component and which extends vertically along an axis (A4) through a circular hole (50), formed in the front end (28, 42) of transmission shaft (26), whose diameter is essentially equal to that of articulation rod (48) and which is extended vertically upwards and downwards by a guide slot, an upper slot (54) and lower slot (56) respectively, whose width is essentially equal to the diameter of articulation rod (48), whereby both slots (54, 56) run along a median vertical plane of the transmission shaft, which has a profile splayed both upwards and downwards respectively.
  3. Mechanical system (10) of claim 2, characterised in that the splayed profile of both slots (54, 56) is a V-shaped profile.
  4. Mechanical system (10) of any of the foregoing claims, characterised in that the axis (A4) of articulation rod (48) is perpendicular to the axis of rotation (A1) of the rotary output component.
  5. Mechanical system (10) of any of the foregoing claims, characterised in that the front end (28) of transmission shaft (26) is rotationally guided with respect to output component (16), around a centre of rotation (C) corresponding to the intersection of axis (A4) of articulation rod (48) with the axis of rotation (A1) of output component (16).
  6. Mechanical system (10) of claim 5, characterised in that the front end (28) of the transmission shaft (26) has a convex spherical shape (42) centred (C) on axis (A2) of the shaft (26) and is rotationally guided within a portion of a complementary concave spherical surface (62) formed in rotary output component (16).
  7. Mechanical system (10) of claim 6, characterised in that the portion of concave spherical surface (62) formed in rotary output component (16) is formed in said housing (44).
  8. Mechanical system (10) of any of the foregoing claims, characterised in that articulation rod (48) is extended into an arm (78) which extends forwards axially and is inserted into a complementary groove (82) of the other element (16B) of rotary output component (16, 16A, 16B).
EP19990400633 1998-03-17 1999-03-15 Arrangement for the transmission of motion between a bolt and a motor vehicle lock Expired - Lifetime EP0943759B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803339A FR2776329B1 (en) 1998-03-17 1998-03-17 ARRANGEMENT FOR TRANSMITTING MOTION BETWEEN A LOCK AND A MOTOR VEHICLE LOCK
FR9803339 1998-03-17

Publications (3)

Publication Number Publication Date
EP0943759A1 EP0943759A1 (en) 1999-09-22
EP0943759B1 EP0943759B1 (en) 2004-10-06
EP0943759B2 true EP0943759B2 (en) 2007-08-01

Family

ID=9524207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990400633 Expired - Lifetime EP0943759B2 (en) 1998-03-17 1999-03-15 Arrangement for the transmission of motion between a bolt and a motor vehicle lock

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EP (1) EP0943759B2 (en)
DE (1) DE69920789T3 (en)
ES (1) ES2229640T5 (en)
FR (1) FR2776329B1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2847315B1 (en) * 2002-11-14 2005-02-25 Peugeot Citroen Automobiles Sa RETENTION SYSTEM IN TRANSLATION OF TWO ROTARY PIECES AND METHOD FOR MOUNTING THESE TWO PIECES
FR2849885B1 (en) * 2003-01-15 2005-02-11 Peugeot Citroen Automobiles Sa IMPROVEMENT TO THE CONNECTION DEVICES BETWEEN A DOOR LATCH AND A LOCK FOR A MOTOR VEHICLE
FR2880645B1 (en) * 2005-01-11 2007-03-30 Peugeot Citroen Automobiles Sa LOCK FOR AUTOMOTIVE VEHICLE DOOR LOCK
FR2899619B1 (en) 2006-04-11 2012-09-21 Valeo Securite Habitacle MOVEMENT TRANSMISSION ARRANGEMENT BETWEEN, IN PARTICULAR, A LATCH AND A VEHICLE DOOR LOCK
FR2912772B1 (en) * 2007-02-15 2009-06-19 Valeo Securite Habitacle Sas LOCK OF MOTOR VEHICLE
FR2916787B1 (en) * 2007-06-04 2011-04-08 Renault Sas DEVICE FOR CONNECTING A LATCH TO A DOOR LOCK IN A MOTOR VEHICLE
DE102014114512A1 (en) * 2014-10-07 2016-04-07 Kiekert Aktiengesellschaft Motor vehicle door lock
JP7028627B2 (en) 2017-12-19 2022-03-02 マツダ株式会社 Vehicle door lock device and how to install it
DE102021101986B4 (en) 2021-01-28 2022-09-15 Dom Sicherheitstechnik Gmbh & Co. Kg Actuation device, lock cylinder, locking system and method
FR3138824A1 (en) * 2022-08-10 2024-02-16 Renault Locking device for opening a vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2004435A (en) * 1934-08-27 1935-06-11 Briggs & Stratton Corp Lock
GB2296936B (en) * 1995-01-14 1998-08-05 Rockwell Body & Chassis Syst Door locks for vehicles
DE19527837C2 (en) * 1995-07-29 2000-09-28 Kiekert Ag Motor vehicle door lock system with lock unit and lock cylinder / handle unit

Also Published As

Publication number Publication date
ES2229640T3 (en) 2005-04-16
ES2229640T5 (en) 2008-02-16
DE69920789T2 (en) 2005-07-14
DE69920789T3 (en) 2008-02-28
EP0943759B1 (en) 2004-10-06
FR2776329B1 (en) 2000-04-28
EP0943759A1 (en) 1999-09-22
FR2776329A1 (en) 1999-09-24
DE69920789D1 (en) 2004-11-11

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