EP0795662A1 - Rotating lock for a vehicle wherein a mounted rotor is blocked by a bayonette type washer - Google Patents

Rotating lock for a vehicle wherein a mounted rotor is blocked by a bayonette type washer Download PDF

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Publication number
EP0795662A1
EP0795662A1 EP97103729A EP97103729A EP0795662A1 EP 0795662 A1 EP0795662 A1 EP 0795662A1 EP 97103729 A EP97103729 A EP 97103729A EP 97103729 A EP97103729 A EP 97103729A EP 0795662 A1 EP0795662 A1 EP 0795662A1
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EP
European Patent Office
Prior art keywords
stator
ring
cover
lock
axially
Prior art date
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Granted
Application number
EP97103729A
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German (de)
French (fr)
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EP0795662B1 (en
Inventor
Michel Larant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Comfort and Driving Assistance SAS
Original Assignee
Valeo Securite Habitacle SAS
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Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP0795662A1 publication Critical patent/EP0795662A1/en
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Publication of EP0795662B1 publication Critical patent/EP0795662B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/08—Fastening locks or fasteners or parts thereof, e.g. the casings of latch-bolt locks or cylinder locks to the wing
    • E05B9/084—Fastening of lock cylinders, plugs or cores
    • E05B9/086—Fastening of rotors, plugs or cores to an outer stator

Definitions

  • the invention relates more particularly to a lock for a motor vehicle, of the type in which the lock comprises a cylindrical stator which is open at a front axial end to allow the rotational mounting of a rotor which is introduced axially inside the stator, of the type in which stop means are provided for axially retaining the rotor backwards in the stator, and of the type comprising a cover which, in the mounted position, is intended to axially close the front end of the stator.
  • the assembly of the rotor which is mounted rotating in the stator comprises numerous parts including in particular a rotor body in which flakes provided with return springs are mounted sliding.
  • the rotor body is mounted in an intermediate sleeve which drives at its rear axial end a rotor tip in which are arranged a slide and an actuating finger.
  • Various springs are intended to bring all the parts back to a rest position.
  • a fixing plate comprising a tubular body in which the lock is inserted from back to front until its front end abuts against an internal radial collar of the tubular body.
  • a pin is provided to immobilize the lock axially in the tubular body of the plate and the cover is mounted on the front axial end of the tubular body.
  • the plate Since the plate is generally large relative to the lock, it is made of a zinc-aluminum-magnesium alloy, for reasons of lightness and ease of molding, so that its resistance is low, especially in the case of an attempt to break the lock using a drill.
  • the rotor is not reliably axially immobilized in the stator so that there is a risk that certain parts of the rotor are offset axially by one compared to others and dislocate from each other.
  • the mounting of the axial immobilization pin of the lock in the tubular body of the plate is not without posing automation problems since it is necessary to ensure a precise orientation of the stator, the rotor and the pin to allow this mounting.
  • the object of the invention is therefore to propose a design of a motor vehicle lock which makes it possible to immobilize the rotor in the lock in a simple and reliable manner and also makes it possible to dissociate the assembly of the lock from its mounting in the mounting plate.
  • the latch 10 which is shown assembled in the figures comprises a stator 12 which is substantially tubular, of axis A1, and which comprises a front end 14 which is open to allow the introduction, axially from front to back, of a rotor 16, which is capable of pivoting inside the stator 12 about the axis A1, and which is immobilized axially in abutment against the rear end 18 of the stator 12.
  • the rotor 16 comprises in particular a rotor body 20 in which the flakes 22 are slidably mounted in a transverse direction.
  • the rotor body 20 is rotatably mounted in an intermediate sleeve 24 whose front axial end (not shown) is capable of rotating a mechanism for actuating a lock (not shown).
  • the rotor 16 is immobilized axially forwards, inside the stator 12, by an annular ring 26 which is immobilized axially with respect to the open front end 14 of the stator 12 by a bayonet device and a cover 46 is provided which closes the open front end 14 of the stator 12 and which, when mounted, prevents the annular locking ring 26 from coming off the stator 12.
  • the annular ring 26 coaxial with the stator 12, has an external diameter substantially equal to the internal diameter of the stator body 12 and the external diameter of the rotor 16. It has two lugs 28 which are diametrically opposite on the ring 26 and which s 'extend radially outwards.
  • the housings are formed at the front end of two radial protuberances 34, 36 diametrically opposite on the stator body 12.
  • the upper protuberance 34 extends substantially axially over the front third of the stator 12 and is substantially full with the exception of the housing 30 as can be seen in FIG. 3.
  • the lower projection 36 extends over the entire length of the stator body 12 and has an internal recess 38 which extends axially over its entire length and which opens into the internal cylindrical surface 32 and at the front end. 14 of stator 12.
  • the housing 30 of the lower projection 36 is in the form of two transverse grooves each formed in a longitudinal side wall 40 of the lower recessed projection 36.
  • the transverse distance separating the two walls 40 is less than the transverse width of the pins 28 of the ring 26.
  • the stator 12 is provided with axial notches 42 which open into the front end 14 of the stator 12 and which are diametrically opposite.
  • the axial notches 42 are angularly offset relative to the protuberances 34, 36 but adjacent to the latter so that the housings 30 each have an inlet which opens transversely into the corresponding notch 42.
  • annular ring 26 is capable of axially forwardly locking the rotor 16 after it has been introduced axially in the stator 12, as can be seen in FIG. 3.
  • a cover 46 is provided for closing the front axial end of the stator 12 which essentially comprises a transverse flange 48 and a tubular section 50 which extends axially towards the rear from the external periphery of the flange 48.
  • the tubular section 50 is intended to envelop the front end 14 of the stator 12 and comprises two diametrically opposite notches 52 which open into the rear edge 54 of the section 50.
  • the transverse size of the notches 52 corresponds to that of the protrusions 34, 36 of the stator 12 so that, when the cover 46 is mounted, the axial lateral edges 56 of the notches 52 are each arranged opposite an external lateral face 58 which delimits the protuberances 34, 36 transversely.
  • the housings 30 of the stator 12 and the lugs 28 of the ring 26 extend radially outwards beyond the external surface 60 of the front end 14 of the stator 12 which is also of reduced diameter compared to the diameter of the main part of the stator 12 to allow the mounting of the cover 46.
  • one of the edges 56 of each of the notches 52 is arranged just opposite the entrance to the housing 30 in which one of the lugs 28 of the ring 26 is trapped and the edge 56 prevents this lug 28 from coming out of the housing by pivoting the ring 26 about its axis A1.
  • the cover 46 is fixed by elastic fitting on the stator body 12.
  • the front end of the latch 10 is the end through which the key is introduced for unlocking.
  • the front end of the lock 10 is intended to be arranged facing the internal face of a body panel (not shown), and the cover 46 is provided with a central orifice 64 which is arranged opposite a key opening formed in the body panel.
  • the opening of the body panel is smaller in size than the cover 46 so that the body panel axially blocks the cover 46 on the stator 12 when the latch 10 is fixed to the panel.
  • the ring 26 is made of metallic material such as treated steel in order to offer a high resistance to thwart any attempt to break in, for example using a drill.
  • the design of a lock according to the invention makes it possible to dispense with an independent part to ensure the locking of the rotor in the stator and it is thus possible to provide that the stator comprises fixing means (not shown) for directly fixing the lock on a structural element of the vehicle.

Abstract

The automobile lock (10) has a cylindrical stator (12) with an axis (A1). The stator is open at its front axial end to enable mounting of a rotor (16). The lock has a stop which axially retains the rotor at the stator rear. A cover (46) axially closes the stator front end. A ring (26) axially locks the rotor at the stator front. The ring is fixed in the stator by a bayonet fitting having two radial lugs (28) which are engaged in stator housings (30) by rotating the ring. The stator cover prevents the ring lugs from leaving their housings and unlocking the ring.

Description

L'invention concerne un verrou rotatif pour un véhicule automobile muni d'une bague à baïonnette pour le blocage de son rotor.The invention relates to a rotary lock for a motor vehicle provided with a bayonet ring for blocking its rotor.

L'invention concerne plus particulièrement un verrou pour un véhicule automobile, du type dans lequel le verrou comporte un stator cylindrique qui est ouvert à une extrémité axiale avant pour permettre le montage à rotation d'un rotor qui est introduit axialement à l'intérieur du stator, du type dans lequel il est prévu des moyens de butée pour retenir axialement le rotor vers l'arrière dans le stator, et du type comportant un cache qui, en position montée, est destiné à fermer axialement l'extrémité avant du stator.The invention relates more particularly to a lock for a motor vehicle, of the type in which the lock comprises a cylindrical stator which is open at a front axial end to allow the rotational mounting of a rotor which is introduced axially inside the stator, of the type in which stop means are provided for axially retaining the rotor backwards in the stator, and of the type comprising a cover which, in the mounted position, is intended to axially close the front end of the stator.

L'ensemble du rotor qui est monté tournant dans le stator comporte de nombreuses pièces dont notamment un corps de rotor dans lequel des paillettes munies de ressorts de rappel sont montées coulissantes. Le corps de rotor est monté dans une douille intermédiaire qui entraîne à son extrémité axiale arrière un embout de rotor dans lequel sont agencés un coulisseau et un doigt d'actionnement. Divers ressorts sont destinés à ramener l'ensemble des pièces dans une position de repos. Enfin, à l'extrémité axiale avant du rotor, on trouve également un volet articulé et un guide d'introduction de la clé.The assembly of the rotor which is mounted rotating in the stator comprises numerous parts including in particular a rotor body in which flakes provided with return springs are mounted sliding. The rotor body is mounted in an intermediate sleeve which drives at its rear axial end a rotor tip in which are arranged a slide and an actuating finger. Various springs are intended to bring all the parts back to a rest position. Finally, at the front axial end of the rotor, there is also an articulated flap and a guide for inserting the key.

Jusqu'à présent, le blocage axial du rotor dans le stator n'est assuré qu'au moment du montage du verrou à l'intérieur d'une platine de fixation comportant un corps tubulaire dans lequel le verrou est introduit d'arrière en avant jusqu'à ce que son extrémité avant vienne en butée contre un collet radial interne du corps tubulaire. Une goupille est prévue pour immobiliser axialement le verrou dans le corps tubulaire de la platine et le cache est monté sur l'extrémité axiale avant du corps tubulaire.Until now, the axial locking of the rotor in the stator is only ensured at the time of mounting the lock inside a fixing plate comprising a tubular body in which the lock is inserted from back to front until its front end abuts against an internal radial collar of the tubular body. A pin is provided to immobilize the lock axially in the tubular body of the plate and the cover is mounted on the front axial end of the tubular body.

La platine étant généralement de grandes dimensions par rapport au verrou, elle est réalisée en un alliage zinc-aluminium-magnésium, pour des raisons de légèreté et de facilité de moulage, si bien que sa résistance est faible, notamment dans le cas d'une tentative d'effraction du verrou à l'aide d'une perceuse.Since the plate is generally large relative to the lock, it is made of a zinc-aluminum-magnesium alloy, for reasons of lightness and ease of molding, so that its resistance is low, especially in the case of an attempt to break the lock using a drill.

Par ailleurs, tant que le verrou n'est pas assemblé sur la platine, le rotor n'est pas immobilisé axialement de manière fiable dans le stator de sorte qu'il y a un risque que certaines pièces du rotor se décalent axialement les unes par rapport aux autres et se déboîtent l'une de l'autre.Furthermore, as long as the lock is not assembled on the plate, the rotor is not reliably axially immobilized in the stator so that there is a risk that certain parts of the rotor are offset axially by one compared to others and dislocate from each other.

Ainsi, si l'embout de rotor se déboîte de la douille intermédiaire, et si ce défaut n'est pas détecté lors de l'assemblage, le verrou ne pourra pas entraîner le mécanisme d'actionnement de la serrure.Thus, if the rotor tip disengages from the intermediate sleeve, and if this defect is not detected during assembly, the lock will not be able to drive the mechanism for actuating the lock.

Par ailleurs, le montage de la goupille d'immobilisation axiale du verrou dans le corps tubulaire de la platine n'est pas sans poser des problèmes d'automatisation puisqu'il est nécessaire d'assurer une orientation précise du stator, du rotor et de la goupille pour permettre ce montage.Furthermore, the mounting of the axial immobilization pin of the lock in the tubular body of the plate is not without posing automation problems since it is necessary to ensure a precise orientation of the stator, the rotor and the pin to allow this mounting.

L'invention a donc pour but de proposer une conception d'un verrou de véhicule automobile qui permette d'assurer une immobilisation du rotor dans le verrou de manière simple et fiable et permette par ailleurs de dissocier l'assemblage du verrou de son montage dans la platine de fixation.The object of the invention is therefore to propose a design of a motor vehicle lock which makes it possible to immobilize the rotor in the lock in a simple and reliable manner and also makes it possible to dissociate the assembly of the lock from its mounting in the mounting plate.

Dans ce but, l'invention propose un verrou du type décrit précédemment, caractérisé en ce qu'il est prévu une bague pour bloquer le rotor axialement vers l'avant dans le stator, en ce que la bague est fixée dans le stator par un dispositif du type à baïonnette dans lequel au moins deux ergots radiaux de la bague sont engagés dans des logements du stator par rotation de la bague autour de son axe, et en ce que, en position montée, le cache de fermeture du stator empêche les ergots de la bague de sortir de leurs logements pour verrouiller la bague.To this end, the invention provides a lock of the type described above, characterized in that a ring is provided for locking the rotor axially forwards in the stator, in that the ring is fixed in the stator by a bayonet type device in which at least two radial lugs of the ring are engaged in housings of the stator by rotation of the ring around its axis, and in that, in the mounted position, the stator closing cover prevents the lugs of the ring come out of their housings to lock the ring.

Selon d'autres caractéristiques de l'invention :

  • la bague de blocage est une bague annulaire qui est coaxiale au verrou et qui comporte deux ergots diamétralement opposés sur la bague et s'étendant radialement vers l'extérieur, la surface cylindrique interne du stator est munie de deux encoches qui débouchement axialement à l'avant dans l'extrémité ouverte du stator pour permettre l'engagement axial de la bague dans le stator jusqu'à une position dans laquelle les ergots se retrouvent chacun en regard d'un logement formé dans la surface cylindrique interne du stator, les logements sont délimités axialement par deux parois transversales et comportent chacun une entrée qui débouche transversalement dans l'encoche correspondante, et les ergots sont introduits dans les logements par rotation de la bague autour de son axe ;
  • le cache comporte des moyens de verrouillage de la bague qui s'étendent axialement vers l'arrière devant l'entrée de chaque logement lorsque le cache ferme le stator ;
  • les ergots de la bague s'étendent radialement vers l'extérieur au-delà d'une surface externe du stator, et les moyens de verrouillage du cache s'étendent à l'extérieur du stator ;
  • les logements du stator sont formés dans des excroissances radiales du stator, le cache comporte un flasque transversal et un tronçon tubulaire qui s'étend axialement vers l'arrière et qui est destiné à coiffer l'extrémité axiale ouverte du stator, et le tronçon tubulaire est muni d'entailles axiales qui débouchent dans l'extrémité arrière du tronçon et dans lesquelles sont reçues les excroissances du stator, de telle sorte qu'un bord axial d'une entaille s'étend axialement devant l'entrée de chaque logement lorsque le cache ferme le stator ;
  • au moins une entaille du cache coopère par deux bords axiaux avec des faces latérales correspondantes de l'excroissance correspondante du stator pour bloquer le cache en rotation autour de l'axe du verrou ;
  • l'extrémité avant du verrou est l'extrémité par laquelle est introduite la clé, et la bague annulaire et le flasque transversal du cache sont munis chacun d'un orifice de passage pour la clé ;
  • le cache est emboîté élastiquement sur le stator, le verrou est fixé sur un panneau de carrosserie du véhicule de manière que son extrémité avant soit en regard d'une ouverture du panneau, et le cache est de dimension supérieure à l'ouverture de manière que le panneau de carrosserie empêche que le cache soit déboîté du stator ;
  • la bague annulaire est réalisée en matériau métallique.
According to other characteristics of the invention:
  • the locking ring is an annular ring which is coaxial with the bolt and which comprises two diametrically opposite lugs on the ring and extending radially outwards, the internal cylindrical surface of the stator is provided with two notches which open axially at the front in the open end of the stator to allow the axial engagement of the ring in the stator up to a position in which the pins are each found in view of a housing formed in the internal cylindrical surface of the stator, the housings are delimited axially by two transverse walls and each have an inlet which opens transversely into the corresponding notch, and the lugs are introduced into the housings by rotation of the ring around its axis;
  • the cover comprises means for locking the ring which extend axially towards the rear in front of the entrance to each housing when the cover closes the stator;
  • the lugs of the ring extend radially outwards beyond an external surface of the stator, and the means for locking the cover extend outside the stator;
  • the stator housings are formed in radial protrusions of the stator, the cover comprises a transverse flange and a tubular section which extends axially towards the rear and which is intended to cover the open axial end of the stator, and the tubular section is provided with axial notches which open into the rear end of the section and into which the protrusions of the stator are received, so that an axial edge of a notch extends axially in front of the entrance to each housing when the cover closes the stator;
  • at least one notch of the cover cooperates by two axial edges with corresponding lateral faces of the corresponding protuberance of the stator to block the cover in rotation about the axis of the lock;
  • the front end of the lock is the end through which the key is inserted, and the annular ring and the transverse flange of the cover are each provided with a passage opening for the key;
  • the cover is fitted resiliently on the stator, the latch is fixed to a vehicle body panel so that its front end faces an opening in the panel, and the cover is larger than the opening so that the body panel prevents the cover from being disengaged from the stator;
  • the annular ring is made of metallic material.

D'autres caractéristiques et avantages de l'invention apparaîtront 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 en perspective éclatée du stator, de la bague de blocage et du cache d'un verrou conforme aux enseignements de l'invention ;
  • la figure 2 est une vue en perspective dans laquelle les éléments de la figure 1 sont représentés assemblés ;
  • la figure 3 est une vue en coupe axiale partielle d'un verrou selon l'invention ;
  • la figure 4 est une vue partielle en perspective avec arrachement du blocage des ergots de la bague dans les logements du stator par le cache.
Other characteristics and advantages of the invention will appear on reading the following detailed description for the understanding of which reference will be made to the appended drawings in which:
  • Figure 1 is an exploded perspective view of the stator, the locking ring and the cover of a lock according to the teachings of the invention;
  • Figure 2 is a perspective view in which the elements of Figure 1 are shown assembled;
  • Figure 3 is a partial axial sectional view of a lock according to the invention;
  • Figure 4 is a partial perspective view with cutaway of the locking of the lugs of the ring in the stator housings by the cover.

Le verrou 10 qui est représenté assemblé sur les figures comporte un stator 12 qui est sensiblement tubulaire, d'axe A1, et qui comporte une extrémité avant 14 qui est ouverte pour permettre l'introduction, axialement d'avant en arrière, d'un rotor 16, qui est susceptible de pivoter à l'intérieur du stator 12 autour de l'axe A1, et qui est immobilisé axialement en butée contre l'extrémité arrière 18 du stator 12.The latch 10 which is shown assembled in the figures comprises a stator 12 which is substantially tubular, of axis A1, and which comprises a front end 14 which is open to allow the introduction, axially from front to back, of a rotor 16, which is capable of pivoting inside the stator 12 about the axis A1, and which is immobilized axially in abutment against the rear end 18 of the stator 12.

De manière connue, le rotor 16 comporte notamment un corps de rotor 20 dans lequel des paillettes 22 sont montées coulissantes selon une direction transversale. Le corps de rotor 20 est monté à rotation dans une douille intermédiaire 24 dont l'extrémité axiale avant (non représentée) est susceptible d'entraîner en rotation un mécanisme d'actionnement d'une serrure (non représentée).In known manner, the rotor 16 comprises in particular a rotor body 20 in which the flakes 22 are slidably mounted in a transverse direction. The rotor body 20 is rotatably mounted in an intermediate sleeve 24 whose front axial end (not shown) is capable of rotating a mechanism for actuating a lock (not shown).

Conformément aux enseignements de l'invention, le rotor 16 est immobilisé axialement vers l'avant, à l'intérieur du stator 12, par une bague annulaire 26 qui est immobilisée axialement par rapport à l'extrémité avant ouverte 14 du stator 12 par un dispositif à baïonnette et il est prévu un cache 46 qui ferme l'extrémité avant ouverte 14 du stator 12 et qui, lorsqu'il est monté, empêche que la bague annulaire 26 de blocage ne se déboîte du stator 12.In accordance with the teachings of the invention, the rotor 16 is immobilized axially forwards, inside the stator 12, by an annular ring 26 which is immobilized axially with respect to the open front end 14 of the stator 12 by a bayonet device and a cover 46 is provided which closes the open front end 14 of the stator 12 and which, when mounted, prevents the annular locking ring 26 from coming off the stator 12.

La bague annulaire 26, coaxiale au stator 12, est d'un diamètre externe sensiblement égal au diamètre interne du corps de stator 12 et au diamètre externe du rotor 16. Elle comporte deux ergots 28 qui sont diamétralement opposés sur la bague 26 et qui s'étendent radialement vers l'extérieur.The annular ring 26, coaxial with the stator 12, has an external diameter substantially equal to the internal diameter of the stator body 12 and the external diameter of the rotor 16. It has two lugs 28 which are diametrically opposite on the ring 26 and which s 'extend radially outwards.

Les ergots 28 de la bague 26 sont destinés à être reçus dans des logements 30 qui sont agencés dans la surface cylindrique interne 32 du stator 12.The pins 28 of the ring 26 are intended to be received in housings 30 which are arranged in the internal cylindrical surface 32 of the stator 12.

Plus particulièrement, les logements sont formés à l'extrémité avant de deux excroissances radiales 34, 36 diamétralement opposées sur le corps de stator 12.More particularly, the housings are formed at the front end of two radial protuberances 34, 36 diametrically opposite on the stator body 12.

L'une de ces excroissances, l'excroissance supérieure 34, s'étend axialement sensiblement sur le tiers avant du stator 12 et est sensiblement pleine à l'exception du logement 30 comme on peut le voir sur la figure 3.One of these protuberances, the upper protuberance 34, extends substantially axially over the front third of the stator 12 and is substantially full with the exception of the housing 30 as can be seen in FIG. 3.

Au contraire, l'excroissance inférieure 36 s'étend sur toute la longueur du corps de stator 12 et comporte un évidement interne 38 qui s'étend axialement sur toute sa longueur et qui débouche dans la surface cylindrique interne 32 et à l'extrémité avant 14 du stator 12.On the contrary, the lower projection 36 extends over the entire length of the stator body 12 and has an internal recess 38 which extends axially over its entire length and which opens into the internal cylindrical surface 32 and at the front end. 14 of stator 12.

Le logement 30 de l'excroissance supérieure 34 se présente sous la forme d'une rainure transversale qui débouche radialement vers l'intérieur dans la surface cylindrique interne 32 du corps de stator 12 et qui est délimitée par deux parois transversales espacées axialement d'une distance sensiblement égale à l'épaisseur axiale des ergots 28 de la bague 26.The housing 30 of the upper projection 34 is in the form of a transverse groove which opens radially inwards into the internal cylindrical surface 32 of the stator body 12 and which is delimited by two transverse walls axially spaced apart distance substantially equal to the axial thickness of the pins 28 of the ring 26.

Le logement 30 de l'excroissance inférieure 36 se présente sous la forme de deux rainures transversales formées chacune dans une paroi latérale longitudinale 40 de l'excroissance évidée inférieure 36.The housing 30 of the lower projection 36 is in the form of two transverse grooves each formed in a longitudinal side wall 40 of the lower recessed projection 36.

La distance transversale séparant les deux parois 40 est inférieure à la largeur transversale des ergots 28 de la bague 26.The transverse distance separating the two walls 40 is less than the transverse width of the pins 28 of the ring 26.

Pour permettre l'introduction de la bague 26 à l'intérieur du stator 12, le stator 12 est muni d'encoches axiales 42 qui débouchent dans l'extrémité avant 14 du stator 12 et qui sont diamétralement opposées. Les encoches axiales 42 sont décalées angulairement par rapport aux excroissances 34, 36 mais adjacentes à celles-ci de telle sorte que les logements 30 comportent chacun une entrée qui débouche transversalement dans l'encoche 42 correspondante.To allow the introduction of the ring 26 inside the stator 12, the stator 12 is provided with axial notches 42 which open into the front end 14 of the stator 12 and which are diametrically opposite. The axial notches 42 are angularly offset relative to the protuberances 34, 36 but adjacent to the latter so that the housings 30 each have an inlet which opens transversely into the corresponding notch 42.

De la sorte, il est possible d'introduire axialement la bague 26 dans l'extrémité avant 14 du stator 12 en orientant celle-ci de manière que ses ergots 28 soient reçus dans les encoches 42.In this way, it is possible to introduce the ring 26 axially into the front end 14 of the stator 12 by orienting the latter so that its lugs 28 are received in the notches 42.

Lorsque les ergots 28 arrivent en butée axiale au fond des encoches 42, ils se trouvent en regard de l'entrée débouchante du logement 30 correspondant et il est alors possible de faire pivoter la bague 26 autour de son axe A1 de manière à faire pénétrer les ergots 28 dans les logements 30, ce qui assure le blocage axial de la bague annulaire 26.When the pins 28 arrive in axial abutment at the bottom of the notches 42, they are located opposite the through entry of the corresponding housing 30 and it is then possible to pivot the ring 26 around its axis A1 so as to penetrate the pins 28 in the housings 30, which ensures the axial locking of the annular ring 26.

De préférence, les logements 30 ne débouchent pas transversalement à leur extrémité opposée à l'entrée qui débouche dans les encoches 42. Ainsi, le fond des logements forme une butée angulaire pour la bague 26 lorsque ses ergots 28 sont reçus à l'intérieur des logements 30.Preferably, the housings 30 do not open transversely at their end opposite the entry which opens into the notches 42. Thus, the bottom of the housings forms an angular stop for the ring 26 when its lugs 28 are received inside the housing 30.

La largeur transversale des excroissances 34, 36 et des logements 30 est supérieure à celle des ergots 28 de manière que ceux-ci soient intégralement reçus à l'intérieur des logements 30.The transverse width of the protuberances 34, 36 and of the housings 30 is greater than that of the pins 28 so that they are integrally received inside the housings 30.

Ainsi, la bague annulaire 26 est susceptible de bloquer axialement vers l'avant le rotor 16 après qu'il ait été introduit axialement dans le stator 12, ainsi qu'on peut le voir sur la figure 3.Thus, the annular ring 26 is capable of axially forwardly locking the rotor 16 after it has been introduced axially in the stator 12, as can be seen in FIG. 3.

Dans l'exemple de réalisation qui est représenté sur les figures, on voit que la bague annulaire 16 coopère à la fois avec l'extrémité avant du corps de rotor 20 et avec celle de la douille intermédiaire 24. De préférence, on veillera à ce que la bague 26 ne provoque pas un serrage axial du rotor 16 dans le stator 12 pour ne pas risquer de bloquer la rotation du rotor 16.In the embodiment shown in the figures, it can be seen that the annular ring 16 cooperates both with the front end of the rotor body 20 and with that of the intermediate sleeve 24. Preferably, care will be taken to ensure that that the ring 26 does not cause axial tightening of the rotor 16 in the stator 12 so as not to risk blocking the rotation of the rotor 16.

Conformément aux enseignements de l'invention, il est par ailleurs prévu un dispositif qui permet d'empêcher que la bague 26 ne pivote autour de son axe après le montage du verrou, ce qui pourrait avoir pour conséquence que les ergots 28 de la bague 26 sortent de leur logement 30, la bague 26 n'assurant alors plus le blocage du rotor 16 dans le stator 12.In accordance with the teachings of the invention, there is also provided a device which makes it possible to prevent the ring 26 from pivoting about its axis after the mounting of the lock, which could have the consequence that the pins 28 of the ring 26 come out of their housing 30, the ring 26 then no longer ensuring the locking of the rotor 16 in the stator 12.

A cet effet, il est prévu un cache 46 pour fermer l'extrémité axiale avant du stator 12 qui comporte essentiellement un flasque transversal 48 et un tronçon tubulaire 50 qui s'étend axialement vers l'arrière depuis la périphérie externe du flasque 48.To this end, a cover 46 is provided for closing the front axial end of the stator 12 which essentially comprises a transverse flange 48 and a tubular section 50 which extends axially towards the rear from the external periphery of the flange 48.

Le tronçon tubulaire 50 est destiné à envelopper l'extrémité avant 14 du stator 12 et comporte deux entailles 52 diamétralement opposées qui débouchent dans le bord arrière 54 du tronçon 50.The tubular section 50 is intended to envelop the front end 14 of the stator 12 and comprises two diametrically opposite notches 52 which open into the rear edge 54 of the section 50.

La taille transversale des entailles 52 correspond à celle des excroissances 34, 36 du stator 12 de telle sorte que, lorsque le cache 46 est monté, les bords latéraux axiaux 56 des entailles 52 soient agencés chacun en regard d'une face latérale externe 58 qui délimite transversalement les excroissances 34, 36.The transverse size of the notches 52 corresponds to that of the protrusions 34, 36 of the stator 12 so that, when the cover 46 is mounted, the axial lateral edges 56 of the notches 52 are each arranged opposite an external lateral face 58 which delimits the protuberances 34, 36 transversely.

Comme on peut le voir sur la figure 1, les logements 30 du stator 12 et les ergots 28 de la bague 26 s'étendent radialement vers l'extérieur au-delà de la surface externe 60 de l'extrémité avant 14 du stator 12 qui est par ailleurs de diamètre réduit par rapport au diamètre de la partie principale du stator 12 pour permettre le montage du cache 46.As can be seen in FIG. 1, the housings 30 of the stator 12 and the lugs 28 of the ring 26 extend radially outwards beyond the external surface 60 of the front end 14 of the stator 12 which is also of reduced diameter compared to the diameter of the main part of the stator 12 to allow the mounting of the cover 46.

Ainsi, et comme cela est illustré plus particulièrement à la figure 4, l'un des bords 56 de chacune des entailles 52 est agencé juste en regard de l'entrée du logement 30 dans lequel est emprisonné l'un des ergots 28 de la bague 26 et le bord 56 empêche que cet ergot 28 ne puisse ressortir du logement par pivotement de la bague 26 autour de son axe A1.Thus, and as illustrated more particularly in FIG. 4, one of the edges 56 of each of the notches 52 is arranged just opposite the entrance to the housing 30 in which one of the lugs 28 of the ring 26 is trapped and the edge 56 prevents this lug 28 from coming out of the housing by pivoting the ring 26 about its axis A1.

Dans l'exemple de réalisation représenté sur les figures, le cache 46 est fixé par emboîtement élastique sur le corps de stator 12.In the embodiment shown in the figures, the cover 46 is fixed by elastic fitting on the stator body 12.

De même, l'extrémité avant du verrou 10 est l'extrémité par laquelle est introduite la clé pour le déverrouillage.Likewise, the front end of the latch 10 is the end through which the key is introduced for unlocking.

De la sorte, l'extrémité avant du verrou 10 est destinée à être agencée en regard de la face interne d'un panneau de carrosserie (non représenté), et le cache 46 est muni d'un orifice central 64 qui est agencé en regard d'une ouverture de passage de la clé formé dans le panneau de carrosserie.In this way, the front end of the lock 10 is intended to be arranged facing the internal face of a body panel (not shown), and the cover 46 is provided with a central orifice 64 which is arranged opposite a key opening formed in the body panel.

Avantageusement, l'ouverture du panneau de carrosserie est de taille inférieure au cache 46 de manière que le panneau de carrosserie bloque axialement le cache 46 sur le stator 12 lorsque le verrou 10 est fixé sur le panneau.Advantageously, the opening of the body panel is smaller in size than the cover 46 so that the body panel axially blocks the cover 46 on the stator 12 when the latch 10 is fixed to the panel.

De préférence, la bague 26 est réalisée en matériau métallique tel que de l'acier traité afin d'offrir une haute résistance pour faire échec à toute tentative d'effraction, par exemple à l'aide d'une perceuse.Preferably, the ring 26 is made of metallic material such as treated steel in order to offer a high resistance to thwart any attempt to break in, for example using a drill.

La conception d'un verrou selon l'invention permet de s'affranchir d'une pièce indépendante pour assurer le blocage du rotor dans le stator et on peut ainsi prévoir que le stator comporte des moyens de fixation (non représentés) pour fixer directement le verrou sur un élément de structure du véhicule.The design of a lock according to the invention makes it possible to dispense with an independent part to ensure the locking of the rotor in the stator and it is thus possible to provide that the stator comprises fixing means (not shown) for directly fixing the lock on a structural element of the vehicle.

Claims (9)

Verrou (10) pour un véhicule automobile comportant un stator cylindrique (12) d'axe (A1) qui est ouvert à une extrémité axiale avant (14) pour permettre le montage à rotation d'un rotor (16) qui est introduit axialement à l'intérieur du stator (12), du type dans lequel il est prévu des moyens de butée pour retenir axialement le rotor (16) vers l'arrière dans le stator (12), et du type comportant un cache (46) qui, en position montée, est destiné à fermer axialement l'extrémité avant (14) du stator (12), caractérisé en ce qu'il est prévu une bague (26) pour bloquer le rotor (16) axialement vers l'avant dans le stator (12), en ce que la bague (26) est fixée dans le stator (12) par un dispositif du type à baïonnette dans lequel au moins deux ergots radiaux (28) de la bague (26) sont engagés dans des logements (30) du stator (12) par rotation de la bague (26) autour de son axe (A1), et en ce que, en position montée, le cache (46) de fermeture du stator (12) empêche les ergots (28) de la bague (26) de sortir de leurs logements (30) pour verrouiller la bague (26).Lock (10) for a motor vehicle comprising a cylindrical stator (12) of axis (A1) which is open at a front axial end (14) to allow the rotational mounting of a rotor (16) which is introduced axially at the interior of the stator (12), of the type in which abutment means are provided for axially retaining the rotor (16) rearward in the stator (12), and of the type comprising a cover (46) which, in the mounted position, is intended to axially close the front end (14) of the stator (12), characterized in that there is provided a ring (26) for locking the rotor (16) axially forward in the stator (12), in that the ring (26) is fixed in the stator (12) by a device of the bayonet type in which at least two radial lugs (28) of the ring (26) are engaged in housings (30 ) of the stator (12) by rotation of the ring (26) about its axis (A1), and in that, in the mounted position, the cover (46) for closing the stator (12) prevents the lugs (28) of the ring (26) come out of their housings (30) to lock the ring (26). Verrou selon la revendication 1, caractérisé en ce que la bague de blocage (26) est une bague annulaire qui est coaxiale au verrou (10) et qui comporte deux ergots (28) diamétralement opposés sur la bague (26) et s'étendant radialement vers l'extérieur, en ce que la surface cylindrique interne (32) du stator (12) est munie de deux encoches (42) qui débouchement axialement à l'avant dans l'extrémité ouverte (14) du stator (12) pour permettre l'engagement axial de la bague (26) dans le stator (12) jusqu'à une position dans laquelle les ergots (28) se retrouvent chacun en regard d'un logement (30) formé dans la surface cylindrique interne du stator, en ce que les logements (30) sont délimités axialement par deux parois transversales et comportent chacun une entrée qui débouche transversalement dans l'encoche (42) correspondante, et en ce que les ergots (28) sont introduits dans les logements (30) par rotation de la bague (26) autour de son axe (A1).Lock according to claim 1, characterized in that the locking ring (26) is an annular ring which is coaxial with the lock (10) and which comprises two lugs (28) diametrically opposite on the ring (26) and extending radially outwards, in that the internal cylindrical surface (32) of the stator (12) is provided with two notches (42) which open axially at the front in the open end (14) of the stator (12) to allow the axial engagement of the ring (26) in the stator (12) to a position in which the pins (28) are each found opposite a housing (30) formed in the internal cylindrical surface of the stator, that the housings (30) are delimited axially by two transverse walls and each have an inlet which opens transversely into the corresponding notch (42), and in that the pins (28) are introduced into the housings (30) by rotation of the ring (26) about its axis (A1). Verrou selon l'une des revendications 1 ou 2, caractérisé en ce que le cache (46) comporte des moyens de verrouillage (56) de la bague (26) qui s'étendent axialement vers l'arrière devant l'entrée de chaque logement (30) lorsque le cache (46) ferme le stator (12).Lock according to one of claims 1 or 2, characterized in that the cover (46) comprises locking means (56) of the ring (26) which extend axially towards the rear in front of the entrance to each housing (30) when the cover (46) closes the stator (12). Verrou selon la revendication 3, caractérisé en ce que les ergots (28) de la bague (26) s'étendent radialement vers l'extérieur au-delà d'une surface externe (60) du stator (12), et en ce que les moyens de verrouillage (56) du cache (46) s'étendent à l'extérieur du stator (12).Lock according to claim 3, characterized in that the lugs (28) of the ring (26) extend radially outwards beyond an external surface (60) of the stator (12), and in that the locking means (56) of the cover (46) extend outside the stator (12). Verrou selon l'une quelconque des revendications précédentes, caractérisé en ce que les logements (30) du stator (12) sont formés dans des excroissances radiales (34, 36) du stator (12), en ce que le cache (46) comporte un flasque transversal (48) et un tronçon tubulaire (50) qui s'étend axialement vers l'arrière et qui est destiné à coiffer l'extrémité axiale ouverte (14) du stator (12), et en ce que le tronçon tubulaire (50) est muni d'entailles axiales (52) qui débouchent dans l'extrémité arrière (54) du tronçon (50) et dans lesquelles sont reçues les excroissances (34, 36) du stator (12), de telle sorte qu'un bord axial (56) d'une entaille (52) s'étend axialement devant l'entrée de chaque logement (30) lorsque le cache (46) ferme le stator (12).Lock according to any one of the preceding claims, characterized in that the housings (30) of the stator (12) are formed in radial protrusions (34, 36) of the stator (12), in that the cover (46) comprises a transverse flange (48) and a tubular section (50) which extends axially towards the rear and which is intended to cover the open axial end (14) of the stator (12), and in that the tubular section ( 50) is provided with axial notches (52) which open into the rear end (54) of the section (50) and into which the protrusions (34, 36) of the stator (12) are received, so that a axial edge (56) of a notch (52) extends axially in front of the entrance to each housing (30) when the cover (46) closes the stator (12). Verrou selon la revendication 5, caractérisé en ce qu'au moins une entaille (52) du cache (46) coopère par deux bords axiaux (56) avec des faces latérales correspondantes (58) de l'excroissance (34, 36) correspondante du stator (12) pour bloquer le cache (46) en rotation autour de l'axe (A1) du verrou (10).Lock according to claim 5, characterized in that at least one notch (52) of the cover (46) cooperates by two axial edges (56) with corresponding lateral faces (58) of the corresponding projection (34, 36) of the stator (12) for locking the cover (46) in rotation around the axis (A1) of the lock (10). Verrou selon l'une des revendications 5 ou 6, caractérisé en ce que l'extrémité avant (14) du verrou (10) est l'extrémité par laquelle est introduite la clé, et en ce que la bague annulaire (26) et le flasque transversal (48) du cache (46) sont munis chacun d'un orifice de passage pour la clé.Lock according to one of claims 5 or 6, characterized in that the front end (14) of the lock (10) is the end through which the key is inserted, and in that the ring annular (26) and the transverse flange (48) of the cover (46) are each provided with a through hole for the key. Verrou selon la revendication 7, caractérisé en ce que le cache (46) est emboîté élastiquement sur le stator (12), en ce que le verrou (10) est fixé sur un panneau de carrosserie du véhicule de manière que son extrémité avant (14) soit en regard d'une ouverture du panneau, et en ce que le cache (46) est de dimension supérieure à l'ouverture de manière que le panneau de carrosserie empêche que le cache (46) soit déboîté du stator (12).Lock according to claim 7, characterized in that the cover (46) is resiliently fitted on the stator (12), in that the lock (10) is fixed to a body panel of the vehicle so that its front end (14 ) is opposite an opening of the panel, and in that the cover (46) is larger than the opening so that the body panel prevents the cover (46) from being disengaged from the stator (12). Verrou selon l'une quelconque des revendications précédentes, caractérisé en ce que la bague annulaire (26) est réalisée en matériau métallique.Lock according to any one of the preceding claims, characterized in that the annular ring (26) is made of metallic material.
EP19970103729 1996-03-15 1997-03-06 Rotating lock for a vehicle wherein a mounted rotor is blocked by a bayonette type washer Expired - Lifetime EP0795662B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9603265 1996-03-15
FR9603265A FR2746133B1 (en) 1996-03-15 1996-03-15 ROTARY LOCK FOR A MOTOR VEHICLE PROVIDED WITH A BAYONET RING FOR LOCKING ITS ROTOR

Publications (2)

Publication Number Publication Date
EP0795662A1 true EP0795662A1 (en) 1997-09-17
EP0795662B1 EP0795662B1 (en) 2000-09-27

Family

ID=9490212

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970103729 Expired - Lifetime EP0795662B1 (en) 1996-03-15 1997-03-06 Rotating lock for a vehicle wherein a mounted rotor is blocked by a bayonette type washer

Country Status (6)

Country Link
EP (1) EP0795662B1 (en)
AR (1) AR006210A1 (en)
BR (1) BR9701289A (en)
DE (1) DE69703174T2 (en)
ES (1) ES2151199T3 (en)
FR (1) FR2746133B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1026343A1 (en) * 1999-02-05 2000-08-09 Antivols Simplex S.A. Lock with a two part fixed lock body
FR2924734A1 (en) * 2007-12-06 2009-06-12 Valeo Securite Habitacle Sas LOCK WITH ROTOR BLOCKING DEVICE
FR2954385A1 (en) * 2009-12-21 2011-06-24 Valeo Securite Habitacle REINFORCED SECURITY LOCK
CN108980205A (en) * 2018-08-09 2018-12-11 苏州托克斯冲压设备有限公司 Sliding rail locking structure and sliding rail locking structure match device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10326717B4 (en) * 2003-06-06 2014-08-14 Volkswagen Ag Device for securing a motor vehicle against unauthorized opening, in particular the vehicle door
DE102011085606B4 (en) 2011-11-02 2020-07-30 Siemens Aktiengesellschaft Rotor housing of an electrical switching device and electrical switching device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1969010A (en) * 1929-08-19 1934-08-07 Briggs & Stratton Corp Lock
US2049742A (en) * 1933-04-22 1936-08-04 Yale & Towne Mfg Co Lock
US2097192A (en) * 1936-06-05 1937-10-26 Briggs & Stratton Corp Cylinder lock
FR1574770A (en) * 1968-04-11 1969-07-18
EP0221375A1 (en) * 1985-10-30 1987-05-13 Neiman Cylinder lock with bayonet mounting means
EP0463744A2 (en) * 1990-06-23 1992-01-02 DOM-Sicherheitstechnik GmbH & Co. KG Anti-theft device for motor vehicle wheels

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1969010A (en) * 1929-08-19 1934-08-07 Briggs & Stratton Corp Lock
US2049742A (en) * 1933-04-22 1936-08-04 Yale & Towne Mfg Co Lock
US2097192A (en) * 1936-06-05 1937-10-26 Briggs & Stratton Corp Cylinder lock
FR1574770A (en) * 1968-04-11 1969-07-18
EP0221375A1 (en) * 1985-10-30 1987-05-13 Neiman Cylinder lock with bayonet mounting means
EP0463744A2 (en) * 1990-06-23 1992-01-02 DOM-Sicherheitstechnik GmbH & Co. KG Anti-theft device for motor vehicle wheels

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1026343A1 (en) * 1999-02-05 2000-08-09 Antivols Simplex S.A. Lock with a two part fixed lock body
FR2789431A1 (en) * 1999-02-05 2000-08-11 Antivols Simplex Sa LOCK HAVING A LOCK BODY FIXED IN TWO PARTS
FR2924734A1 (en) * 2007-12-06 2009-06-12 Valeo Securite Habitacle Sas LOCK WITH ROTOR BLOCKING DEVICE
FR2954385A1 (en) * 2009-12-21 2011-06-24 Valeo Securite Habitacle REINFORCED SECURITY LOCK
WO2011076661A1 (en) * 2009-12-21 2011-06-30 Valeo Securite Habitacle Reinforced security lock
CN108980205A (en) * 2018-08-09 2018-12-11 苏州托克斯冲压设备有限公司 Sliding rail locking structure and sliding rail locking structure match device
CN108980205B (en) * 2018-08-09 2024-01-19 苏州托克斯冲压设备有限公司 Sliding rail locking structure and sliding rail locking structure matching device

Also Published As

Publication number Publication date
FR2746133B1 (en) 1998-04-10
ES2151199T3 (en) 2000-12-16
BR9701289A (en) 1998-11-10
AR006210A1 (en) 1999-08-11
DE69703174D1 (en) 2000-11-02
DE69703174T2 (en) 2001-05-17
FR2746133A1 (en) 1997-09-19
EP0795662B1 (en) 2000-09-27

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