EP0806531B1 - Verrou à débrayage axial pour un mécanisme de serrure de véhicule automobile - Google Patents
Verrou à débrayage axial pour un mécanisme de serrure de véhicule automobile Download PDFInfo
- Publication number
- EP0806531B1 EP0806531B1 EP97106600A EP97106600A EP0806531B1 EP 0806531 B1 EP0806531 B1 EP 0806531B1 EP 97106600 A EP97106600 A EP 97106600A EP 97106600 A EP97106600 A EP 97106600A EP 0806531 B1 EP0806531 B1 EP 0806531B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- indexer
- stator
- driving member
- lug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/50—Special application
- Y10T70/5093—For closures
- Y10T70/5155—Door
- Y10T70/5199—Swinging door
- Y10T70/5372—Locking latch bolts, biased
- Y10T70/5385—Spring projected
- Y10T70/5389—Manually operable
- Y10T70/5394—Directly acting dog for exterior, manual, bolt manipulator
- Y10T70/5416—Exterior manipulator declutched from bolt when dogged
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7486—Single key
- Y10T70/7508—Tumbler type
- Y10T70/7559—Cylinder type
- Y10T70/7576—Sliding and rotary plug
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7486—Single key
- Y10T70/7508—Tumbler type
- Y10T70/7559—Cylinder type
- Y10T70/7667—Operating elements, parts and adjuncts
- Y10T70/7706—Operating connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7486—Single key
- Y10T70/7508—Tumbler type
- Y10T70/7559—Cylinder type
- Y10T70/7667—Operating elements, parts and adjuncts
- Y10T70/7706—Operating connections
- Y10T70/7712—Rollbacks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7915—Tampering prevention or attack defeating
- Y10T70/7932—Anti-pick
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7915—Tampering prevention or attack defeating
- Y10T70/7949—Yielding or frangible connections
Definitions
- the invention relates to an axial release lock improved for a vehicle lock mechanism automobile.
- the invention relates more particularly to a lock disengageable, in particular for a vehicle lock mechanism automobile, of the type in which the lock comprises a stator fixed, a tubular intermediate sleeve which is mounted at rotation about its axis in the stator and which is fixed axially with respect to the stator, a rotor which is mounted at rotation in the socket, which is fixed axially in the socket, and which has flakes movable radially under the action of a key intended to be introduced axially into the rotor, of the type in which the flakes are entirely retracted radially inside the rotor when the key is conform, so as to allow free rotation of the rotor by relative to the socket and the stator and thus allow the rotary drive of a lock control lever which is coupled to the rotor via a driver, of the type in which the rotor and the intermediate sleeve are locked in rotation relative to each other by the glitter when the key does not conform, of the type in which the lock comprises an indexer which is axial
- a declutching mechanism to such a lock prevents it from being "forced". Indeed, if a false key, or any other flat tool of adequate shape, is introduced into the rotor, and if we then try to drive in rotation the rotor, the declutching mechanism allows the rotor and the intermediate sleeve to pivot freely inside of the stator without being exerted on the flakes of the forces too important.
- the glitter is likely to be deteriorated or to be retracted, in force, which then unlocks the lock without the correct key.
- the indexer consists of two balls which are received in two axial grooves formed in the internal periphery of the stator and which are intended to cooperate with ramps formed in the free front end of the intermediate sleeve so that when the intermediate sleeve is rotated by the flakes of the rotor, the sleeve ramps cause balls to move axially forward inside the grooves.
- the marbles forming indexer then cause displacement, axially forward, of a trainer, against a spring of reminder interposed between the control lever and the coach, which are linked in rotation. When the coach is in axially advanced position, this is locked in rotation by relation to the stator so that the control lever of the the lock mechanism is also blocked, making it impossible to pick the lock.
- the mechanism shown proposes the use of balls whose immobilization in rotation around the axis of the lock is ensured by their maintenance inside the grooves.
- the balls are subjected to a force which tends to make them come out tangentially from the axial groove of the fact that they cooperate, by a first spherical cap internal radial, with the intermediate sleeve and in particular with the ramps thereof, and, by a second radial cap external, with the stator grooves.
- the balls are therefore subjected to each disengagement to a shear stress and the balls tend to damage the edges of the stator grooves and the ramps of the socket intermediate.
- the present invention provides a design in particular of the coach which allows an axial assembly of all parts of the lock, assembly which can then be easily automated.
- the invention proposes a disengageable lock, in particular for a motor vehicle lock mechanism, of the type in which the lock comprises a fixed stator, a tubular intermediate sleeve which is rotatably mounted around of its axis in the stator and which is axially fixed relative to on the stator, a rotor which is rotatably mounted in the socket, which is fixed axially in the socket, and which has means for locking the rotor with respect to the sleeve, type in which the locking means are retracted when a conforming key is inserted into the rotor so to allow free rotation of the rotor relative to the sleeve and the stator and thus allow the rotational drive of a lock control lever which is coupled to the rotor by through a coach, of the type in which the lock includes an indexer which is axially movable between a rest position and a declutching position, under the effect of a rotation of the sleeve relative to the stator following the rotational
- FIG. 1 a rotary axis lock longitudinal A1 comprising declutching means conforming to teachings of the invention.
- the lock 10 essentially comprises a rotor 12 which is mounted rotating around the axis A1, inside a stator 14, with interposition between the two of a socket intermediate 16.
- the rotor 12 is intended to be rotated at using a key (not shown) inserted axially from back to front inside the rotor 12 through a key entry 18 arranged in a rear transverse face 20 of the rotor 12, which face 20 is intended for example to flush with the outside of a body panel (not shown) of the vehicle.
- the front axial end 22 of the rotor 12 is intended to drive in rotation a control lever 24 of a mechanism lock (not shown) to authorize the locking and unlocking a door of the vehicle.
- the rotor 12 is capable of rotating the control lever 24, only in the presence of a key compliant, via a coach 26 which is movable axially in the latch 10, under the action of an indexer 28, between a engaged position in which it rotates the rotor 12 and the control lever 24, and a disengaged position in which the rotor 12 is no longer likely to cause the lever 24 in rotation and in which the coach 26 ensures the rotation lock of the lever 24 relative to the stator 14 of the lock 10.
- the rotor 12, the stator 14 and the intermediate sleeve 16 are stationary in translation along the axis A1, one with respect to to the other and a compression coil spring 30 is interposed between the rotor 12 and the driver 26 to stress the latter axially forward towards its engaged position.
- stator 14 is of generally cylindrical tubular shape and it comprises means (not shown) which allow the mounting and fixing the lock 12 on the vehicle.
- the rotor 12 is intended to receive glitter 32 arranged in transverse planes which are follow each other at regular intervals along the direction of the A1 axis of latch 10 and which are received in corresponding housings 34 of rotor 12.
- the flakes 32 are movable radially in the rotor 12 and they are resiliently biased towards a protruding position in which they partially protrude at the exterior of the housings 34 of the rotor 12.
- the glitter 34 is not fully retracted and are received inside a corresponding window 36 arranged in the intermediate sleeve 16.
- the flakes 34 immobilize the rotor in rotation 12 with respect to the intermediate sleeve 16 which itself remains free to rotate relative to stator 14.
- the indexer notably includes a main ring 38 and guide tabs 40 which extend axially towards the rear from the ring 38 and which are intended to be received in corresponding axial cuts 42 of the sleeve intermediate 16.
- the notches 42 open axially forward in the front axial end 44 of the socket 16 so that, with the guide tabs 40, they ensure the permanent rotation connection of the indexer 28 with the sleeve intermediate 16, while leaving the possibility for the indexer 28 to move axially in the latch 10.
- the legs of guide 40 are radially protruding from to ring 38 so that ring 38 can be received at inside the axial end 44 of the socket 16.
- the indexer 28 also includes two pins 46 which extend axially forward in the extension of two guide lugs 40 diametrically opposite.
- the lugs 46 have, in section through a plane tangential to the ring 38, a substantially trapezoidal shape, symmetrical about the axial direction, the small base of the trapezoid forming a transverse front edge 48 and the large base trapezoid forming two transverse surfaces 50 arranged on both sides of the longitudinal faces of the guide tab 40 corresponding.
- the lug 46 and the corresponding tab 40 have thus substantially an arrow shape facing forward in the axial direction.
- the pins 46 are intended to cooperate with the stator 14.
- the stator 14 comprises, at its front axial end 52, an internal radial collar 54 whose rear transverse face is stepped so as to form two concentric annular faces 58, 60 of which the first, peripheral 58, is arranged axially behind the second, internal 60.
- the radial collar 54 is provided with orifices 62 of shape complementary to the lugs 46 of the indexer 38 so that the two faces 64 which angularly delimit an orifice 62 in the radial collar 54 form two inclined ramps so that that the housing 62 is open towards the rear.
- the indexer 28 is likely to occupy two axial positions in the stator.
- the first corresponds to that in which the pins 46 are supported axially towards the front in the corresponding holes 62 of the stator 14.
- the lugs 46 are driven out of their orifice of the made of the inclination of the ramps 64 which delimit the housings 62, and the indexer 28 is then in the retracted position axially backwards in the stator 14, for example in support by the front face 48 of the lugs 46 against the face peripheral annular 58 of the radial collar 54.
- the indexer 28 is linked in intermediate stator rotation 16.
- the indexer 28 controls the displacements in translation of the coach 26 so as to pass it from a front axial position clutched to rear axial position disengaged.
- Coach 26 who is shown more particularly in Figures 6 and 7, has essentially two successive coaxial tubular sections, rear 66 and front 68, the rear section 66 being further larger diameter than the front section 68.
- the rear section 66 comprises, at its axial end rear, an external radial collar 70 whose external diameter is substantially equal to that of the ring 38 of the indexer 28.
- the external radial collar 70 is intended to cooperate with the lugs 46 of the indexer 28 to ensure axial coupling of the indexer 28 on the coach 26.
- the lugs 46 each have, at the front, an internal radial rim 72 so that the lug 46 has, in section through a radial plane of the indexer 28, a L shape.
- the indexer 28 is intended to be mounted by engagement, in the transverse direction, of the two pins 46 on the radial collar 70 of the coach 26, the rim 72 of each of the two pins 46 then being in contact with a front annular face 74 of the external radial collar 70.
- the ring 38 of the indexer 28 is then in support axially forward between an annular end face rear 76 of the coach 26 so as to make the coach 26 and the indexer 28 axially integral with one another.
- the front section 68 of the coach 26 comprises, on its external cylindrical face, hollow grooves 77 which are intended to cooperate with complementary grooves 78 of the control lever 24 which, as we can see more particularly in Figure 4, are formed in relief on a internal cylindrical face of a cylindrical crown 80 which extends axially towards the rear from a rear face 82 of the lever 24.
- the driver 26 and the control lever 24 are intended to be always coupled in rotation by their complementary splines 77, 78, whatever the axial position of the coach 26 which is movable in the lock 10 while the lever 24 is axially fixed relative to the stator 14.
- the raised grooves 78 of the lever 24 extend axially rearward beyond the crown 80 and the hollow grooves 77 of the coach 26 are formed of so as to open axially towards the rear inside of the space delimited by the rear cylindrical section 66 of coach 26.
- the front cylindrical section 68 of the coach 26 has an internal radial collar at its front axial end 84.
- the coach 26 is intended to be mounted at the front of the rotor 12 which essentially comprises a central section 86, in which the housings 34 of the flakes 32 are fitted, and which is extended axially forwards by a section intermediate 88 and by an end section 90 which are of decreasing diameters.
- the front end section 90 of the rotor 12 comprises four drive notches 92 which extend radially towards the outside, being arranged at 90 ° relative to each other, and which are intended to be received in cavities corresponding 94 formed in the radial collar 84 of the coach 26 when the latter is in the engaged position.
- the cavities 94 of the coach 26 open radially inward and axially forward and toward the back.
- the diameter of the opening defined by the collar internal radial 84 of the coach 26 is substantially equivalent to the external diameter of the end section 90 of the rotor 12.
- the notches 92 of the rotor 12 are arranged axially at a sufficient distance from the rear end of the section end 90, delimited by the front end of the section intermediate 88, to allow the coach 26 to move back towards its disengaged position in which the notches 92 of the rotor 12 are released from the cavities 94 of the coach 26.
- the internal diameter of the front tubular section 68 of the coach 26 is substantially equal to the external diameter of the intermediate section 88 of the rotor 12 so that the intermediate section 88 can be received inside the front section 68 of the coach 26 when the latter is in retracted position disengaged.
- the internal diameter of the tubular section rear 66 of the coach 26 is greater than that of the section before 68 and therefore greater than the external diameter of the section intermediate 88 of rotor 12 so as to delimit radially between the intermediate section 88 and the rear section 66 of the indexer 26 an annular space in which the compression spring 30 which urges the coach 26 and the indexer 28 axially forward.
- the spring 30 bears axially forwards against an annular face 96 of the coach 26 which is turned backwards and which forms the step between the sections front 66 and rear 68 of the coach 26.
- the spring 30 is by elsewhere resting axially rearward against a face transverse annular 98, facing forward, delimited between the central 86 and intermediate 88 sections of the rotor 12.
- This transverse face 98 of the rotor 12 is also notched on its outer radial periphery so as to delimit four axial fingers 100 which are arranged at 90 ° one on the other and which are intended to be received in notches corresponding 102 which are formed in a transverse face rear 104 of ring 38 of indexer 28 when indexer 28 is in the retracted disengagement position.
- the notches 102 are arranged in correspondence with each of the guide tabs 40 of the indexer 28.
- indexer 28 when, following the introduction of a non-key compliant in rotor 12, indexer 28 is in the retracted position clutch, it is immobilized in rotation relative to the rotor 12.
- the trainer 26 also includes nipples 106 which extend radially outward from a surface external cylindrical of the rear section 66 of the coach 26.
- the nipples 106 are intended to be received, when the coach 26 is in the disengaged retracted position, inside a housing correspondent 108 formed in the front transverse face 110 of the radial collar 54 of the stator 14.
- the coach 26 is then locked in rotation by stator report 14.
- the housings 108 of the stator 14 extend angularly according to an arc greater than the angular arc corresponding to the transverse dimension of the nipples 106. Indeed, this is made necessary because when the coach 26 is pulled back to its position disengaged by the indexer 28, it continues to be rotated by the rotor 12, as long as it has not reached its disengaged position. Thus, the coach 26 is animated by a substantially helical movement.
- FIG 8 there is shown the latch 10 when the indexer 28 and the coach 26 are in the advanced position clutched so as to allow, using a conforming key, control the rotation of the lever 24.
- the lugs 46 of the indexer 28 are then received at the bottom of the orifices 62 of the stator 14 so that the spring 30 stresses all of indexer 28 and the coach 26 forwards.
- the flakes 32 are retracted inside the rotor 12 and the intermediate sleeve 16 is free to rotate relative to the rotor 12 and it is immobilized relative to the stator 14 due to the engagement of the lugs 46 in the housings 62.
- the coach 26 is in the advanced position clutch so that in addition to being integral in rotation with the lever 24 by the complementary grooves 77, 78, it is also coupled in rotation with the rotor 12 due to the engagement of the notches 92 of the rotor 12 in the cavities 94 corresponding to coach 26.
- the rotor 12 is able to drive in rotation lever 24 for controlling the locking or unlocking of the lock mechanism.
- the flakes 32 then hold the sleeve intermediate 16 integral in rotation with the rotor 12 so that an attempt to rotate the rotor 12 causes a rotation relative of the socket 16 with respect to the stator 14, rotation allowed by the fact that the indexer 28 moves back to its position of declutching by the cooperation of the lugs 46 with the ramps 64 delimiting the orifices 62 of the stator 14.
- the rotor 12 is no longer linked in rotation with coach 26 and thus finds himself completely free in rotation. The rotor 12 is thus disengaged from the rest of the the lock and can no longer have any action on it.
- FIG. 10 shows an intermediate position of the coach 26 and of the indexer 28, between their engaged and disengaged positions. This position is likely to occur after the lock has been released and therefore the indexer 28 and the coach 26 are then initially in position remote shown in Figure 9.
- the indexer 28 is rotated by the rotor 12 due to the engagement of the axial fingers 100 of the rotor 12 in the notches 102 of indexer 28.
- the indexer 28 is driven simultaneously by the sleeve intermediate 16 which is integral with the rotor 12 thanks to the sequins in projecting position.
- the lugs 46 of the indexer 28 are therefore likely to be found opposite corresponding orifices 62 of the stator 14. So, under the action of the spring 30, the indexer 28 and the driver 26 are moved forward toward their engaged position.
- Adequate axial positioning of the different elements of the latch 10 then makes it possible, on the one hand, to prevent the complete re-engagement of the mechanism if the rotor 12 is actuated at using a non-compliant key, and secondly the assurance of a automatic clutch mechanism requiring less than a quarter of rotation of rotor 12, in the presence of a conforming key.
- the indexer 28 when the indexer 28 is in the position of declutching, we choose that the axial fingers 100 of the rotor 12 and the notches 102 of the indexer 28 cooperate only on one axial length of the order of 1 mm.
- nipples 106 of the coach 26 cooperate with the corresponding housings 108 over a length about 3 mm, approximately equal to the travel of the coach 26 but slightly lower than this.
- the axial fingers 100 of the rotor 12 are then released notches 102 of the indexer but the nipples 106 of the coach remain blocked inside the housing 108.
- the intermediate sleeve 16 remains integral with the rotor 12 due to the presence of the sequins 32 and any pursuit of the rotational movement of the rotor 12 results in a new complete disengagement of the mechanism.
- indexer 28 and the coach 26 do not return not in fully engaged position if the key is not compliant, which prevents lever 24 from being released relative to stator 14.
- the coach 26 can advance to its engaged position and the rotor 12 can then control the rotation of the control lever 24.
- the lock 10 which has just been described therefore makes it possible to achieve a high security releasable lock while using components which can be obtained in a way simple by molding.
- the efforts transmitted by the different components are in such a way that we minimize risks of deterioration of the parts involved.
- the assembly of such a lock turns out to be very easily automatable.
Landscapes
- Lock And Its Accessories (AREA)
Description
- l'anneau de l'indexeur comporte au moins une encoche qui débouche axialement à l'arrière et dans laquelle est un reçu un doigt correspondant du rotor qui s'étend axialement vers l'avant ;
- le stator comporte au moins un logement dans lequel est reçu un téton correspondant de l'entraíneur lorsque celui-ci est dans sa position reculée débrayée ;
- l'entraíneur est lié en rotation avec le levier de commande du mécanisme de serrure par des cannelures axiales complémentaires ;
- le rotor comporte un tronçon cylindrique d'extrémité qui est pourvu d'au moins un cran radial qui est reçu dans une cavité correspondante de l'entraíneur lorsque celui-ci est en position embrayée ;
- le stator est sensiblement tubulaire, la douille intermédiaire et le rotor sont montés à rotation dans le stator, l'extrémité axiale avant du stator comporte un collet radial interne dont une face transversale annulaire arrière est une face d'appui pour l'ergot axial de l'indexeur et comporte l'orifice correspondant, et le collet radial comporte au moins une découpe qui débouche axialement vers l'avant pour former le logement dans lequel est reçu le téton de l'entraíneur lorsque celui-ci est en position reculée débrayée.
- l'entraíneur comporte, à son extrémité axiale avant, un collet radial interne dans lequel est formée la cavité dans laquelle est reçu le cran radial du rotor, les cannelures de liaison avec le levier sont formées dans la surface cylindrique externe du tronçon avant de petit diamètre ;
- l'indexeur comporte deux ergots qui sont diamétralement opposés sur l'anneau et qui comportent chacun un rebord radial interne destiné à coopérer avec une face annulaire avant du collet radial externe de l'entraíneur dont la face arrière est destinée à venir en appui contre une face avant de l'anneau pour assurer l'accouplement axial de l'indexeur et de l'entraíneur ;
- le rotor comporte un tronçon cylindrique central qui est monté tournant dans la douille et qui est prolongé vers l'avant par un tronçon intermédiaire de plus petit diamètre, lui-même prolongé par un tronçon d'extrémité de plus petit diamètre sur lequel est formé le cran d'entraínement de l'entraíneur, et le tronçon central et le tronçon intermédiaire délimitent entre eux une face transversale annulaire qui porte le doigt axial prévu pour coopérer avec l'encoche de l'indexeur ;
- lorsqu'une clé conforme est introduite dans le rotor après que le verrou a été débrayé à l'aide d'une clé non conforme, il existe une position axiale intermédiaire de l'ensemble formé par l'indexeur et l'entraíneur dans laquelle l'ergot de l'indexeur est partiellement reçu dans l'orifice du stator, dans laquelle le téton de l'entraíneur est partiellement reçu dans le logement du stator, dans laquelle le doigt axial du rotor est dégagé de l'encoche de l'indexeur mais dans laquelle le cran radial du rotor est aussi dégagé de la cavité de l'entraíneur, de telle sorte que le stator et la douille intermédiaire sont liés en rotation par l'indexeur, que l'entraíneur est bloqué en rotation par le stator, et que le rotor est libre en rotation par rapport à l'indexeur et à l'entraíneur, de manière à pouvoir amener, par pivotement du rotor, le cran du rotor en regard de la cavité de l'entraíneur pour que l'ensemble de l'indexeur et de l'entraíneur puisse retourner en position avancée embrayée sous l'action du ressort.
- la figure 1 est une vue en perspective éclatée des principaux éléments constituant le verrou débrayable selon l'invention ;
- les figures 2, 3, 4 et 5 sont des vues en perspective illustrant de manière plus détaillée respectivement le stator, le rotor, le levier de commande, et l'indexeur ;
- les figures 6 et 7 sont des vues en perspective suivant deux angles de vue de l'entraíneur ;
- les figures 8, 9 et 10 sont des vues schématiques en perspective, avec arrachement, du verrou selon l'invention dans lesquelles l'indexeur et l'entraíneur sont représentés respectivement en positions embrayée, débrayée et dans une position intermédiaire de réembrayage.
Claims (10)
- Verrou débrayable, notamment pour un mécanisme de serrure de véhicule automobile, du type dans lequel le verrou (10) comporte un stator fixe (14), une douille intermédiaire tubulaire (16) qui est montée à rotation autour de son axe (A1) dans le stator (14) et qui est fixe axialement par rapport au stator (14), un rotor (12) qui est monté à rotation dans la douille (16), qui est fixe axialement dans la douille, et qui comporte des moyens de verrouillage (32) du rotor (12) par rapport à la douille(16), du type dans lequel les moyens de verrouillage (32) sont escamotés lorsqu'une clé conforme est introduite dans le rotor (12) de manière à permettre une libre rotation du rotor (12) par rapport à la douille (16) et au stator (14) et ainsi permettre l'entraínement en rotation d'un levier de commande (24) de la serrure qui est accouplé au rotor (12) par l'intermédiaire d'un entraíneur (26), du type dans lequel le verrou (10) comporte un indexeur (28) qui est mobile axialement entre une position de repos et une position de débrayage, sous l'effet d'une rotation de la douille (16) par rapport au stator (14) consécutive à l'entraínement en rotation du rotor (12) à l'aide d'une clé non conforme, pour déplacer axialement l'entraíneur (26) vers une position débrayée dans laquelle l'entraíneur (26) est bloqué en rotation par rapport au stator (14), l'indexeur (28) étant solidaire en rotation de la douille intermédiaire (16) et du rotor (12) libre en rotation par rapport au stator (14) lorsqu'il est en position de débrayage, ledit indexeur (28) comportant un anneau (38) muni de pattes axiales arrière de guidage (40) destinées à être reçues dans des entailles (42) correspondantes qui sont formées dans la douille intermédiaire (16) et qui débouchent dans l'extrémité axiale avant (44) de la douille (16), ledit anneau (38) comportant au moins un ergot (46) qui s'étend axialement vers l'avant, en direction d'une face transversale (54) du stator (14) qui est munie d'un orifice axial (62) dans lequel l'ergot (46) est reçu lorsque l'indexeur (28) est en position de repos, et les bords (64) de l'orifice (62) étant en forme de rampe de manière à provoquer le recul de l'ergot (46) jusqu'en dehors de l'orifice (46) lorsque la douille intermédiaire (16) pivote autour de son axe (A1) par rapport au stator (14), du type dans lequel l'entraíneur (26) et l'indexeur (28) sont solidaires selon la direction axiale, et un ressort (30) sollicite axialement l'entraíneur (26) vers l'avant, vers sa position embrayée qui correspond à la position de repos de l'indexeur (28), caractérisé en ce que l'entraíneur (26) comporte deux tronçons tubulaires, arrière (66) et avant (68), respectivement de grand et de petit diamètre, en ce qu'il comporte, à son extrémité arrière, un collet radial externe (70) sur lequel est accroché l'indexeur (28) pour assurer leur liaison qui est fixe axialement mais libre en rotation, et en ce qu'un téton (106) destiné à être reçu dans un logement (108) du stator (14) lorsque l'entraíneur (26) est dans sa position reculée débrayée s'étend radialement depuis l'extrémité avant de la surface cylindrique externe du tronçon arrière (68) de grand diamètre.
- Verrou selon la revendication 1, caractérisé en ce que l'anneau (38) de l'indexeur (28) comporte au moins une encoche (102) qui débouche axialement à l'arrière et dans laquelle est un reçu un doigt (100) correspondant du rotor (12) qui s'étend axialement vers l'avant.
- Verrou selon l'une des revendications précédentes, caractérisé en ce que le stator (14) comporte au moins un logement (108) dans lequel est reçu un téton (106) correspondant de l'entraíneur (26) lorsque celui-ci est dans sa position reculée débrayée.
- Verrou selon l'une quelconque des revendications précédentes, caractérisé en ce que l'entraíneur (26) est lié en rotation avec le levier (24) de commande du mécanisme de serrure par des cannelures axiales complémentaires (77, 78).
- Verrou selon l'une quelconque des revendications précédentes, caractérisé en ce que le rotor (12) comporte un tronçon cylindrique d'extrémité (90) qui est pourvu d'au moins un cran radial (92) qui est reçu dans une cavité (94) correspondante de l'entraíneur (26) lorsque celui-ci est en position embrayée.
- Verrou selon les revendications 1 et 3 prises en combinaison, caractérisé en ce que le stator (14) est sensiblement tubulaire d'axe (A1), en ce que la douille intermédiaire (16) et le rotor (12) sont montés à rotation dans le stator (14), en ce que l'extrémité axiale avant (52) du stator (14) comporte un collet radial interne (54) dont une face transversale annulaire arrière (58) est une face d'appui pour l'ergot axial (46) de l'indexeur (28) et comporte l'orifice (62) correspondant, et en ce que le collet radial (54) comporte au moins une découpe qui débouche axialement vers l'avant pour former le logement (108) dans lequel est reçu le téton (106) de l'entraíneur (26) lorsque celui-ci est en position reculée débrayée.
- Verrou selon les revendications 1,3,4 et 5 prises en combinaison, caractérisé en ce que l'entraíneur (26) comporte, à son extrémité axiale avant, un collet radial interne (84) dans lequel est formée la cavité (94) dans laquelle est reçu le cran radial (92) du rotor (12), et en ce que les cannelures (77) de liaison avec le levier (24) sont formées dans la surface cylindrique externe du tronçon avant (68) de petit diamètre.
- Verrou selon la revendication 1, caractérisé en ce que l'indexeur (28) comporte deux ergots (46) qui sont diamétralement opposés sur l'anneau (38) et qui comportent chacun un rebord radial interne (72) destiné à coopérer avec une face annulaire avant (74) du collet radial externe (70) de l'entraíneur (26) dont la face arrière (76) est destinée à venir en appui contre une face avant de l'anneau (38) pour assurer l'accouplement axial de l'indexeur (28) et de l'entraíneur (26).
- Verrou selon la revendication 2 prise en combinaison avec la revendication 5, caractérisé en ce que le rotor (12) comporte un tronçon cylindrique central (86) qui est monté tournant dans la douille (16) et qui est prolongé vers l'avant par un tronçon intermédiaire (88) de plus petit diamètre, lui-même prolongé par un tronçon d'extrémité (90) de plus petit diamètre sur lequel est formé le cran (92) d'entraínement de l'entraíneur (26), et en ce que le tronçon central (86) et le tronçon intermédiaire (88) délimitent entre eux une face transversale annulaire (98) qui porte le doigt axial (100) prévu pour coopérer avec l'encoche (102) de l'indexeur (28).
- Verrou selon l'ensemble des revendications précédentes prises en combinaison, caractérisé en ce que lorsqu'une clé conforme est introduite dans le rotor (12) après que le verrou (10) a été débrayé à l'aide d'une clé non conforme, il existe une position axiale intermédiaire de l'ensemble formé par l'indexeur (28) et l'entraíneur (26) dans laquelle l'ergot (46) de l'indexeur (28) est partiellement reçu dans l'orifice du stator, dans laquelle le téton (106) de l'entraíneur (28) est partiellement reçu dans le logement (108) du stator (14), dans laquelle le doigt axial (100) du rotor (12) est dégagé de l'encoche (102) de l'indexeur (28) mais dans laquelle le cran radial (92) du rotor (12) est aussi dégagé de la cavité (94) de l'entraíneur (26), de telle sorte que le stator (14) et la douille intermédiaire (16) sont liés en rotation par l'indexeur (28), que l'entraíneur (28) est bloqué en rotation par le stator (14), et que le rotor (12) est libre en rotation par rapport à l'indexeur (26) et à l'entraíneur (28), de manière à pouvoir amener, par pivotement du rotor (12), le cran (92) du rotor (12) en regard de la cavité (94) de l'entraíneur (28) pour que l'ensemble de l'indexeur (28) et de l'entraíneur (26) puisse retourner en position avancée embrayée sous l'action du ressort (30).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9605831A FR2748513B1 (fr) | 1996-05-10 | 1996-05-10 | Verrou a debrayage axial pour un mecanisme de serrure de vehicule automobile |
FR9605831 | 1996-05-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0806531A1 EP0806531A1 (fr) | 1997-11-12 |
EP0806531B1 true EP0806531B1 (fr) | 2000-09-27 |
Family
ID=9492010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97106600A Expired - Lifetime EP0806531B1 (fr) | 1996-05-10 | 1997-04-22 | Verrou à débrayage axial pour un mécanisme de serrure de véhicule automobile |
Country Status (7)
Country | Link |
---|---|
US (1) | US5732580A (fr) |
EP (1) | EP0806531B1 (fr) |
AR (1) | AR007031A1 (fr) |
BR (1) | BR9703109A (fr) |
DE (1) | DE69703178T2 (fr) |
ES (1) | ES2151202T3 (fr) |
FR (1) | FR2748513B1 (fr) |
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-
1996
- 1996-05-10 FR FR9605831A patent/FR2748513B1/fr not_active Expired - Lifetime
-
1997
- 1997-04-22 DE DE69703178T patent/DE69703178T2/de not_active Expired - Lifetime
- 1997-04-22 EP EP97106600A patent/EP0806531B1/fr not_active Expired - Lifetime
- 1997-04-22 ES ES97106600T patent/ES2151202T3/es not_active Expired - Lifetime
- 1997-05-07 AR ARP970101889A patent/AR007031A1/es unknown
- 1997-05-08 US US08/853,116 patent/US5732580A/en not_active Expired - Lifetime
- 1997-05-09 BR BR9703109A patent/BR9703109A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2748513B1 (fr) | 1998-06-26 |
DE69703178D1 (de) | 2000-11-02 |
AR007031A1 (es) | 1999-10-13 |
DE69703178T2 (de) | 2001-05-17 |
BR9703109A (pt) | 1998-10-06 |
US5732580A (en) | 1998-03-31 |
ES2151202T3 (es) | 2000-12-16 |
EP0806531A1 (fr) | 1997-11-12 |
FR2748513A1 (fr) | 1997-11-14 |
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