EP1126108B1 - Retention element for vehicle lock, its manufacturing method and lock comprising such a retention element - Google Patents
Retention element for vehicle lock, its manufacturing method and lock comprising such a retention element Download PDFInfo
- Publication number
- EP1126108B1 EP1126108B1 EP01400395A EP01400395A EP1126108B1 EP 1126108 B1 EP1126108 B1 EP 1126108B1 EP 01400395 A EP01400395 A EP 01400395A EP 01400395 A EP01400395 A EP 01400395A EP 1126108 B1 EP1126108 B1 EP 1126108B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- retention system
- bolt
- parts
- lock
- retention
- 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
-
- 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
- E05B85/20—Bolts or detents
- E05B85/24—Bolts rotating about an axis
- E05B85/26—Cooperation between bolts and detents
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/36—Noise prevention; Anti-rattling means
- E05B77/40—Lock elements covered by silencing layers, e.g. coatings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0004—Lock assembling or manufacturing
Definitions
- the invention relates to the retention members for lock of motor vehicle, and more particularly a bolt and a ratchet for such lock.
- a first retention member is thus formed by the bolt which is fork type which usually equips the door, backrest, tailgate and hood of a motor vehicle.
- the bolt cooperates with a second organ retention constituted by the ratchet.
- FIGS. 3 a conventional bolt will first be described the example of a folder lock bolt schematically illustrated in FIGS. 3.
- Figures 1 and 2 further show the cooperation of the bolt with a ratchet classic and a strike.
- Other elements of the lock will not be described in detail since they do not fall within the scope of the present invention.
- the bolt 1 is constituted by a steel plate cut in a manner to present the general shape of a fork. It is pivotally mounted on an axis of pivoting carried by the housing of the lock, so as to be able to rotate between a closed position and an open position thereof.
- the fork is defined by a notch 2 which in the position shown in FIG. 1 receives and retains a striker connected to an element of body of the vehicle.
- the strike is usually made of a plate U-shaped metal body, one of whose branches is attached to a body vehicle, and a pin 3 connecting the free ends of the two to each other Only the striker pin is shown in Figures 1 and 2.
- the bolt 1 cooperates with a ratchet 4 which is also constituted by a steel plate cut so as to to form a lever.
- the bolt is locked in the closed position (see Figure 1) using ratchet 4 which is pivotally mounted in the housing of the lock, around a articulation at one end of the pawl.
- the bolt is provided with a locking member constituted by a tail 5 connected to the end of one of the branches of the fork and extending in the plane thereof towards the rear, substantially perpendicular to this branch.
- the length of the tail is adapted so that the bolt always remains in contact with the song of the ratchet, both in the open position and in the closed position.
- a front flange 5 'of the tail 5 is in stop in a notch 6 constituting the locking member of the pawl 4 and is constantly urged towards the pawl by a return spring 7 mounted coaxially on the axis la of the bolt, one end of which bears on a leg 8 which makes perpendicularly projecting from the plane of the bolt and the other on the housing of the lock.
- the bolt assembly is at the same time urged by this return spring 7 towards the open position of the lock, and in addition by the reaction of the door seal which in closed state is compressed.
- the pawl 4 is also biased towards the tail 5 of the bolt by a return spring 9 mounted coaxially on the axis 4a of the pawl of which one of ends bears against a pin 10 of the pawl and the other on the housing.
- the bolt is generally overmolded by a plastic material which forms a sheath 12 around the as shown in Figures 1 and 2.
- Some parts of the bolt are stripped, in particular the bottom of the notch and the tail 5 which cooperates with the notch 6 of the pawl 4, and a part 13 at the front of the bolt to prevent the bursting of plastic overmolding of the bolt if the user closes the door or the liftgate or the backrest when the bolt is in position closed. Such a break-up would be likely to cause friction of the bolt on adjacent elements and should be avoided.
- FIG. 3 shows in this respect a bolt having a thickness a (see FIG. 3) that is relatively large for firstly withstanding the forces acting in the longitudinal plane of the bolt and that are likely to cause it to break, and secondly with the lateral forces acting in a plane. transverse and which by a deformation of the counterplate on which is fixed the bolt may cause the escape of the bolt from its grip with the pawl. What is said with reference to the bolt also applies to the ratchet which is fixed to the same counterplate.
- the thickness a must be at least 5 mm so that the bolt can withstand the break, while it must be 6 mm to prevent escape from the ratchet under the effect of forces transverse.
- the width b (see Figure 3) of the wall around the bolt hinge hole on its pivot axis must be at least 1.5 x a . This value of 1.5 times the material thickness is a usual value that depends on the geometry and complexity of the part.
- GB 2 048 365 discloses a lock for a vehicle automobile.
- This lock comprises an elastic buffer fixed on the bolt. This buffer reduces the metal noises caused by the friction of the bolt and ratchet when operating the lock.
- this elastic buffer has only an insulating function sound. It does not participate in the thickness of the bolt to resist its rupture and its deformation. Thus, it does not in any way reduce the costs of manufacture of the bolt.
- document GB 2 185 059 discloses a window lock or of door in the field of the building.
- This lock comprises a central unit and two secondary units and connected to the central unit by two bars.
- This lock comprises a barrel, a latch, an opening / closing bolt and a bolt of conviction.
- the locking bolt is formed of several plates. This solution facilitates the realization of the bolt.
- FR 2472651 which discloses a retention member for a motor vehicle door lock.
- the device comprises a fork-shaped bolt constituted by two flanges between which is clamped a hard elastomer flange, rotatably mounted around a axis in a housing fixed on the door which cooperates with a strike in form of axis fixed on the amount of the door, the striker coming, at the closing, to engage in the fork by rotating the bolt that is locked in at least one position by a pawl cooperating with a snap cam integral with the rotation of the bolt, the unlocking opening being obtained by rotation of the ratchet to disengage it from the detent cam.
- the object of the invention is to provide a retention member less expensive to manufacture.
- the invention also relates to a manufacturing method of a retention organ with the advantages associated with that organ of retention.
- the invention furthermore relates to a lock provided with less such a retention member.
- An object of the invention is a retention member for motor vehicle lock, comprising a locking means adapted to cooperate with a locking means of a second retention member in order to hold a strike when the lock is in a closed position.
- the organ of retention is formed by at least two superimposed retention member elements and connected to each other by an overmolded sheath so that said member retention has a determined thickness to withstand, in the event of impact, a part in its break and secondly in its deformation.
- At least one of the elements retention member having spacing means disposed on its face turned towards an adjacent retention member element so as to create a interstice between the retention member elements that can be filled with material overmoulding.
- Another object of the invention is a method of manufacturing a retention member as defined above, characterized in that each element retention member is manufactured in a single cutting operation, and in that at least two retention member elements are connected to one another by a sheath surmoullée.
- Yet another object is a motor vehicle lock, characterized in that it comprises at least one retention member as defined above, cooperating with a second restraint member in a position of locking a strike.
- FIG. 4 shows a retention member which does not form part of the invention, in the form of a bolt whose thickness a is obtained by two retention member elements in the form of bolt elements 1A and 1B presenting an identical profile and an identical shape, these bolt elements being superimposed on one another to form an assembly 1 'constituting the bolt itself.
- the two bolt elements 1A, 1B are attached to each other suitably, for example by welding or gluing.
- Figure 5 shows two bolt elements 1A, 1B which are connected to one another by an overmold constituting a sheath 12.
- the bonding operation by welding or bonding can thanks this arrangement be removed since the sheath alone is sufficient to connect the two elements together in a very firm way.
- the bolt presents stripped parts to same places (2, 5, 13) as the conventional bolt described with reference to FIGS. 2.
- the sheath is also provided with a support lug 8 for a return spring (not shown in the figure).
- the sheath 12 also has four notches 12a at the hole of passage of the axis of pivoting of the bolt, for centering in the mold, by four complementary lugs.
- the bolt elements 1A, 1B making it possible to obtain together the optimum thickness a are preferably two in number, but may of course comprise three or more elements which in this case constitute a laminated bolt.
- Figures 6 and 7 show a retention member in which spacing means are arranged between two juxtaposed bolt elements 1A, 1B.
- these spacing means are constituted by bosses 14 regularly arranged on one of the large faces of the bolt member 1A. During assembly, these bosses 14 are directed towards the other juxtaposed bolt member 1B so that a gap 15 is created between these two elements.
- the gap may have a thickness of about 1 mm.
- two bolt elements provided with bosses as illustrated in FIGS. can be arranged on either side of a bolt element devoid of boss.
- Figure 8 shows the bolt members 1A, 1B of Figure 7 kept apart from each other by the bosses and connected to each other by means of overmolded material which forms a sheath 12 around the elements. Of the material overmoulded also fills the gap 15 between the two bolt elements of so that a set of bolt 1 'without cell is obtained, which is advantageous for the rigidity of the room.
- This embodiment is particularly advantageous since in addition to reducing the weight of the entire bolt. Consequently, he allows the use of a bolt return spring with reduced dimensions and therefore cheaper to manufacture.
- FIG. 9 shows a retention member in the form a ratchet manufactured in a similar manner to that shown in Figure 7.
- This ratchet is composed of two elements of retention element 4A, 4B in the form of elements ratchet having a substantially identical peripheral profile.
- One of the ratchet elements (4A) carries on one of its faces means of spacing under boss shape 14, while the other ratchet member is on its rotated face outwardly a pin 10 and an axis 11.
- these ratchet elements 4A, 4B are connected together by overmolding.
- the thickness has retention members is composed by the thicknesses of each element of retention member 1A, 1B, respectively 4A, 4B and a gap between two juxtaposed elements, the invention allows the manufacture of each element. retention member in a single cutting operation.
- the retention member according to the invention comprises an overmoulding, no assembly operation proper is not necessary.
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- Lock And Its Accessories (AREA)
Description
L'invention concerne les organes de rétention pour serrure de véhicule automobile, et plus particulièrement un pêne et un cliquet pour une telle serrure.The invention relates to the retention members for lock of motor vehicle, and more particularly a bolt and a ratchet for such lock.
Un premier organe de rétention est ainsi formé par le pêne qui est du type à fourche qui équipe usuellement les serrures de porte, de dossier, de hayon et de capot d'un véhicule automobile. Le pêne coopère avec un deuxième organe de rétention constitué par le cliquet.A first retention member is thus formed by the bolt which is fork type which usually equips the door, backrest, tailgate and hood of a motor vehicle. The bolt cooperates with a second organ retention constituted by the ratchet.
Pour mieux situer l'invention, un pêne classique sera d'abord décrit à l'exemple d'un pêne de serrure de dossier schématiquement illustré aux figures 1 à 3. Les figures 1 et 2 montrent en outre la coopération du pêne avec un cliquet classique et une gâche. Les autres éléments de la serrure ne seront pas décrits en détail puisqu'ils n'entrent pas dans le cadre de la présente invention.To better situate the invention, a conventional bolt will first be described the example of a folder lock bolt schematically illustrated in FIGS. 3. Figures 1 and 2 further show the cooperation of the bolt with a ratchet classic and a strike. Other elements of the lock will not be described in detail since they do not fall within the scope of the present invention.
Le pêne 1 est constitué par une plaque en acier découpée de manière
à présenter la forme générale d'une fourche. Il est monté pivotant sur un axe de
pivotement porté par le boítier de la serrure, de manière à pouvoir pivoter entre
une position fermée et une position ouverte de celle-ci.The
La fourche est définie par une échancrure 2 qui dans la position
fermée illustrée à la figure 1 reçoit et retient une gâche reliée à un élément de
carrosserie du véhicule. La gâche est généralement constituée d'une plaquette
métallique en U dont l'une des branches est fixée sur un élément de carrosserie du
véhicule, et d'un pion 3 reliant l'une à l'autre les extrémités libres des deux
branches du U. Seul le pion de la gâche est illustré sur les figures 1 et 2.The fork is defined by a
Pour la rétention du pion 3 de la gâche, le pêne 1 coopère avec un
cliquet 4 qui est également constitué par une plaque en acier découpée de manière à
former un levier.For the retention of the
Le pêne est verrouillé dans la position fermée (voir figure 1) à l'aide
du cliquet 4 qui est monté pivotant dans le boítier de la serrure, autour d'une
articulation à l'une des extrémités du cliquet. Pour obtenir ce verrouillage, le pêne
est pourvu d'un organe de verrouillage constitué par une queue 5 reliée à
l'extrémité de l'une des branches de la fourche et s'étendant dans le plan de celle-ci
vers l'arrière, sensiblement perpendiculairement à cette branche. La longueur de la
queue est adaptée pour que le pêne reste toujours en contact avec le chant du
cliquet, aussi bien dans la position ouverte que dans la position fermée.The bolt is locked in the closed position (see Figure 1) using
Dans la position fermée, un rebord avant 5' de la queue 5 est en
butée dans un cran 6 constituant l'organe de verrouillage du cliquet 4 et est
constamment sollicité vers le cliquet par un ressort de rappel 7 monté coaxialement
sur l'axe la du pêne, dont l'une des extrémités prend appui sur une patte 8 qui fait
perpendiculairement saillie du plan du pêne et l'autre sur le boítier de la serrure.
L'ensemble du pêne est en même temps sollicité par ce ressort de rappel 7 vers la
position ouverte de la serrure, et en plus par la réaction du joint de porte qui en
état fermé se trouve comprimé.In the closed position, a front flange 5 'of the
Le cliquet 4 est également sollicité vers la queue 5 du pêne par un
ressort de rappel 9 monté coaxialement sur l'axe 4a du cliquet dont l'une des
extrémités prend appui contre un pion 10 du cliquet et l'autre sur le boítier.The
Pour déverrouiller la queue 5 du pêne 1 de sa prise avec le cran 6 du
cliquet 4, il suffit de faire pivoter le cliquet vers le bas dans la figure 1, ce qui est
obtenu à l'aide d'un levier (non représenté) coopérant avec un pion 11 disposé près
de l'extrémité libre du cliquet. La queue sort alors du cran 6 en glissant sur le
chant du cliquet et le pêne 1 est automatiquement pivoté par le ressort de rappel 7
vers la position ouverte et reste dans cette position pour que le pêne lâche sa prise
autour du pion 3 de la gâche et pour ainsi permettre de rabattre le dossier. Dans le
cas d'un dossier arrière, celui-ci est fréquemment composé de deux parties
présentant une largeur d'environ 2/3 du dossier respectivement 1/3 de celui-ci, et
chacune des deux parties est pourvue d'une serrure. Parfois, le dossier arrière
s'étend pratiquement sur toute la largeur de l'espace intérieur du véhicule, deux
serrures sont prévues et il faut par conséquent les actionner en même temps pour
libérer le dossier.To unlock the
Pour réduire le bruit lors du manoeuvre de la serrure, le pêne est
généralement surmoulé par une matière plastique qui forme une gaine 12 autour du
pêne, comme cela est illustré sur les figures 1 et 2. Certaines parties du pêne sont
dénudées, en particulier le fond de l'échancrure et la queue 5 qui coopère avec le
cran 6 du cliquet 4, ainsi qu'une partie 13 à l'avant du pêne pour éviter
l'éclatement du surmoulage en matière plastique du pêne si l'utilisateur referme
violemment la porte ou le hayon ou le dossier lorsque le pêne se trouve en position
fermée. Un tel éclatement serait susceptible d'entraíner des frottements du pêne sur
les éléments adjacents et doit être évité.To reduce the noise during the operation of the lock, the bolt is
generally overmolded by a plastic material which forms a
Pour résister aux efforts en cas de choc violent, le pêne et le cliquet sont fabriqués en un matériau résistant tel que l'acier. La figure 3 montre à cet égard un pêne présentant une épaisseur a (voir figure 3) relativement importante pour résister premièrement aux efforts agissant dans le plan longitudinal du pêne et qui sont susceptibles de provoquer sa rupture, et deuxièmement aux efforts latéraux agissant dans un plan transversal et qui par une déformation de la contreplaque sur laquelle est fixé le pêne peuvent provoquer l'échappement du pêne de sa prise avec le cliquet. Ce qui est dit en référence au pêne s'applique également au cliquet qui est fixé à cette même contreplaque.To withstand the forces in case of violent impact, the bolt and the ratchet are made of a resistant material such as steel. FIG. 3 shows in this respect a bolt having a thickness a (see FIG. 3) that is relatively large for firstly withstanding the forces acting in the longitudinal plane of the bolt and that are likely to cause it to break, and secondly with the lateral forces acting in a plane. transverse and which by a deformation of the counterplate on which is fixed the bolt may cause the escape of the bolt from its grip with the pawl. What is said with reference to the bolt also applies to the ratchet which is fixed to the same counterplate.
A titre indicatif, l'épaisseur a doit être au moins de 5 mm pour que le pêne puisse résister à la rupture, alors qu'elle doit être de 6 mm pour éviter l'échappement par rapport au cliquet sous l'effet d'efforts transversaux. Bien entendu, on est obligé de choisir l'épaisseur la plus grande même si cela entraíne une augmentation du poids. Ces épaisseurs sont du même ordre de grandeur pour le cliquet.As an indication, the thickness a must be at least 5 mm so that the bolt can withstand the break, while it must be 6 mm to prevent escape from the ratchet under the effect of forces transverse. Of course, we have to choose the largest thickness even if it leads to an increase in weight. These thicknesses are of the same order of magnitude for the pawl.
A cause d'une contrainte imposée par l'outil de coupe, la largeur b (voir figure 3) de la paroi autour du trou d'articulation du pêne sur son axe de pivotement doit être égale au moins à 1,5 x a. Cette valeur de 1,5 fois l'épaisseur matière est une valeur usuelle qui dépend de la géométrie et de la complexité de la pièce.Due to a constraint imposed by the cutting tool, the width b (see Figure 3) of the wall around the bolt hinge hole on its pivot axis must be at least 1.5 x a . This value of 1.5 times the material thickness is a usual value that depends on the geometry and complexity of the part.
Par ailleurs, le pêne n'est généralement pas taré en inertie, contrairement au cliquet qui l'est par son ressort. En règle générale, une serrure doit résister aux forces d'inertie suivantes :
- 60 G dans le sens longitudinal ;
- 60 G dans le sens transversal ;
- 60 G dans le sens vertical.
- 60 G in the longitudinal direction;
- 60 G in the transverse direction;
- 60 G in the vertical direction.
Pour fabriquer un pêne ou un cliquet présentant une épaisseur de l'ordre de 6 mm, il est indispensable d'avoir recours à une découpe en plusieurs passes avec des poinçons différents. Cela nécessite une machine-outil importante et complexe et il y a en plus un risque de mauvaise continuité dans les lignes de coupe, ce qui crée des saillies sur lesquelles le cliquet peut s'accrocher au pêne. Il est pour cette raison important de contrôler chaque pièce et de la rectifier si besoin en est, ce qui entraíne des opérations supplémentaires.To manufacture a bolt or ratchet having a thickness of the order of 6 mm, it is essential to use a multi-section passes with different punches. This requires an important machine tool and complex and there is also a risk of poor continuity in the lines of cut, which creates projections on which the ratchet can hang on the bolt. he For this reason, it is important to check each part and correct it if necessary. is, which leads to additional operations.
Le document GB 2 048 365 divulgue une serrure pour véhicule
automobile. Cette serrure comporte un tampon élastique fixé sur le pêne. Ce
tampon permet de limiter les bruits métalliques occasionnés par le frottement du
pêne et du cliquet lors de l'actionnement de la serrure.
Cependant, ce tampon élastique a uniquement une fonction d'isolant phonique. Il ne participe pas à l'épaisseur du pêne permettant de résister à sa rupture et à sa déformation. Ainsi, il ne permet nullement de diminuer les coûts de fabrication du pêne. However, this elastic buffer has only an insulating function sound. It does not participate in the thickness of the bolt to resist its rupture and its deformation. Thus, it does not in any way reduce the costs of manufacture of the bolt.
Par ailleurs, le document GB 2 185 059 divulgue une serrure de fenêtre ou
de porte dans le domaine du bâtiment. Cette serrure comporte une unité centrale et
deux unités secondaires et reliées à l'unité centrale par deux barres. Cette serrure
comporte un barillet, une clenche, un pêne d'ouverture/fermeture et un pêne de
condamnation. Le pêne de condamnation est formé de plusieurs plaques. Cette
solution facilite la réalisation du pêne.Furthermore,
On connaít également dans l'art antérieur le brevet FR 2472651 qui divulgue un organe de rétention pour serrure de portière de véhicule automobile. Le dispositif comporte un pêne en forme de fourche constitué par deux flasques entre lesquels est serré un flasque en élastomère dur, monté à rotation autour d'un axe dans un boítier fixé sur la portière lequel coopère avec une gâche en forme d'axe fixée sur le montant de la portière, la gâche venant, à la fermeture, s'engager dans la fourche en faisant tourner le pêne qui est verrouillé dans au moins une position par un cliquet coopérant avec une came d'encliquetage solidaire à la rotation du pêne, le déverrouillage d'ouverture étant obtenu par rotation du cliquet pour le dégager de la came d'encliquetage.Also known in the prior art patent FR 2472651 which discloses a retention member for a motor vehicle door lock. The device comprises a fork-shaped bolt constituted by two flanges between which is clamped a hard elastomer flange, rotatably mounted around a axis in a housing fixed on the door which cooperates with a strike in form of axis fixed on the amount of the door, the striker coming, at the closing, to engage in the fork by rotating the bolt that is locked in at least one position by a pawl cooperating with a snap cam integral with the rotation of the bolt, the unlocking opening being obtained by rotation of the ratchet to disengage it from the detent cam.
Le but de l'invention est de proposer un organe de rétention moins onéreux à la fabrication.The object of the invention is to provide a retention member less expensive to manufacture.
L'invention concerne également un procédé de fabrication d'un organe de rétention présentant les avantages associés à cet organe de rétention.The invention also relates to a manufacturing method of a retention organ with the advantages associated with that organ of retention.
L'invention concerne en outre une serrure pourvue d'au moins un tel organe de rétention.The invention furthermore relates to a lock provided with less such a retention member.
Un objet de l'invention est un organe de rétention pour serrure de véhicule automobile, comportant un moyen de verrouillage apte à coopérer avec un moyen de verrouillage d'un deuxième organe de rétention afin de retenir une gâche lorsque la serrure est dans une position fermée. L'organe de rétention est formé par au moins deux éléments d'organe de rétention superposés et reliés l'un à l'autre par une gaine surmoulée de manière à ce que ledit organe rétention présente une épaisseur déterminée pour résister, en cas de choc, d'une part à sa rupture et d'autre part à sa déformation. L'un au moins des éléments d'organe de rétention comportant des moyens d'écartement disposés sur sa face tournée vers un élément d'organe de rétention adjacent de manière à créer un interstice entre les éléments d'organe de rétention pouvant être rempli de matière de surmoulage.An object of the invention is a retention member for motor vehicle lock, comprising a locking means adapted to cooperate with a locking means of a second retention member in order to hold a strike when the lock is in a closed position. The organ of retention is formed by at least two superimposed retention member elements and connected to each other by an overmolded sheath so that said member retention has a determined thickness to withstand, in the event of impact, a part in its break and secondly in its deformation. At least one of the elements retention member having spacing means disposed on its face turned towards an adjacent retention member element so as to create a interstice between the retention member elements that can be filled with material overmoulding.
L'organe de rétention peut comporter en outre une ou plusieurs des caractéristiques suivantes :
- lesdits moyens d'écartement comportent des bossages disposés régulièrement espacés sur un des éléments d'organe de rétention ;
- les éléments d'organe de rétention sont reliés l'un à l'autre par soudage ;
- les éléments d'organe de rétention sont reliés l'un à l'autre par collage ;
- les éléments d'organe de rétention sont au nombre de deux ;
- les éléments d'organe de rétention présentent un profil périphérique sensiblement identique ;
- l'organe de rétention est un pêne ;
- caractérisé par le fait que l'organe de rétention est un cliquet.
- said spacing means comprise bosses regularly spaced apart on one of the retention member elements;
- the retention member elements are connected to each other by welding;
- the retention member elements are connected to each other by gluing;
- the retention member elements are two in number;
- the retention member elements have a substantially identical peripheral profile;
- the retention member is a bolt;
- characterized in that the retention member is a pawl.
Un autre objet de l'invention est un procédé de fabrication d'un organe de rétention tel que défini ci-dessus, caractérisé en ce que chaque élément d'organe de rétention est fabriqué en une seule opération de découpe, et en ce qu'au moins deux éléments d'organe de rétention sont reliés l'un à l'autre par une gaine surmoullée.Another object of the invention is a method of manufacturing a retention member as defined above, characterized in that each element retention member is manufactured in a single cutting operation, and in that at least two retention member elements are connected to one another by a sheath surmoullée.
Encore un autre objet est une serrure de véhicule automobile, caractérisée en ce qu'elle comporte au moins un organe de rétention tel que défini ci-dessus, coopérant avec un deuxième organe de retenue en position de verrouillage d'une gâche.Yet another object is a motor vehicle lock, characterized in that it comprises at least one retention member as defined above, cooperating with a second restraint member in a position of locking a strike.
L'invention sera maintenant décrite plus en détail en référence à plusieurs exemples non limitatifs d'un pêne et d'un cliquet pour dossier de véhicule automobile, en référence aux figures annexées dans lesquelles :
- les figures 1
et 2 sont des vues schématiques en perspective montrant un pêne classique coopérant avec un cliquet classique, ces éléments étant déjà décrits dans l'introduction de la présente demande ; - la figure 3 est une vue schématique en perspective d'un pêne classique déjà décrit ;
- la figure 4 est une vue schématique en perspective de deux éléments de pêne qui ne font pas partie de l'invention ;
- la figure 5 est une vue schématique en perspective illustrant les deux éléments de pêne de la figure 4 surmoulés par un élément formant gaine ;
- la figure 6 est une vue schématique en perspective d'un élément de pêne pourvu de bossages selon un autre mode de réalisation de l'invention ;
- la figure 7 est une vue schématique en perspective de l'élément de pêne de la figure 6 assemblé à un autre élément de pêne ;
- la figure 8 est une vue schématique en perspective des deux éléments de pêne surmoulés par un élément formant gaine ; et
- la figure 9 est une vue analogue à celle de la figure 7 et qui montre un cliquet selon l'invention.
- Figures 1 and 2 are schematic perspective views showing a conventional bolt cooperating with a conventional ratchet, these elements being already described in the introduction of the present application;
- Figure 3 is a schematic perspective view of a conventional bolt already described;
- Figure 4 is a schematic perspective view of two bolt elements that are not part of the invention;
- Figure 5 is a schematic perspective view illustrating the two bolt members of Figure 4 overmolded by a sheath member;
- Figure 6 is a schematic perspective view of a bolt element provided with bosses according to another embodiment of the invention;
- Figure 7 is a schematic perspective view of the bolt member of Figure 6 assembled with another bolt member;
- Figure 8 is a schematic perspective view of the two bolt elements overmolded by a sheath member; and
- Figure 9 is a view similar to that of Figure 7 and showing a pawl according to the invention.
Dans la description qui suit, des éléments analogues à ceux déjà décrits en référence aux figures 1 à 3 porteront les même signes de référence.In the following description, elements similar to those already described with reference to Figures 1 to 3 will bear the same reference signs.
La figure 4 montre un organe de rétention qui ne fait pas partie de l'invention, sous forme d'un pêne
dont l'épaisseur a est obtenue par deux éléments d'organe de rétention sous forme
d'éléments de pêne 1A et 1B présentant un profil identique et une forme identique,
ces éléments de pêne étant superposés l'un sur l'autre pour former un ensemble 1'
constituant le pêne proprement dit.FIG. 4 shows a retention member which does not form part of the invention, in the form of a bolt whose thickness a is obtained by two retention member elements in the form of
Les deux éléments de pêne 1A, 1B sont fixés l'un à l'autre de
manière convenable, par exemple par soudage ou collage.The two
La figure 5 montre deux
éléments de pêne 1A, 1B qui sont reliés l'un à l'autre par un surmoulage constituant
une gaine 12. Ainsi, l'opération de solidarisation par soudage ou collage peut grâce
à cet agencement être supprimée puisque la gaine suffit à elle seule pour relier les
deux éléments ensemble d'une manière très ferme.Figure 5 shows two
Le pêne présente dans ce dernier cas des parties dénudées aux
mêmes endroits (2, 5, 13) que le pêne classique décrit en référence aux figures 1 et
2. La gaine est également pourvue d'une patte d'appui 8 pour un ressort de rappel
(non représenté dans la figure). La gaine 12 comporte également quatre encoches
12a au niveau du trou de passage de l'axe de pivotement du pêne, pour le centrage
dans le moule, par quatre ergots complémentaires. In the latter case, the bolt presents stripped parts to
same places (2, 5, 13) as the conventional bolt described with reference to FIGS.
2. The sheath is also provided with a
Les éléments de pêne 1A, 1B permettant d'obtenir ensemble
l'épaisseur optimale a, sont de préférence au nombre de deux, mais peuvent bien
entendu comporter trois, voire plus d'éléments qui dans ce cas constituent un pêne
stratifié.The
L'invention sera d'abord décrite en détail à l'exemple de la constitution d'un pêne, alors que le même principe s'applique également au cliquet. Cependant, pour éviter les répétitions, les variantes ne seront décrites qu'en référence au pêne.The invention will first be described in detail with the example of the constitution of a bolt, while the same principle also applies to the ratchet. However, to avoid repetitions, variants will only be described with reference to the bolt.
Les figures 6 et 7 montrent un organe de rétention dans lequel des
moyens d'écartement sont disposés entre deux éléments de pêne juxtaposés 1A,
1B.Figures 6 and 7 show a retention member in which
spacing means are arranged between two
Dans l'exemple illustré, ces moyens d'écartement sont constitués par
des bossages 14 régulièrement disposés sur l'une des grandes faces de l'élément de
pêne 1A. Lors de l'assemblage, ces bossages 14 sont dirigées vers l'autre élément
de pêne juxtaposé 1B de sorte qu'un interstice 15 soit créé entre ces deux éléments.
Dans le cas où l'épaisseur totale a, hors gaine, correspond par exemple à 6 mm,
l'interstice peut présenter une épaisseur d'environ 1 mm.In the illustrated example, these spacing means are constituted by
Dans le cas où le pêne est composé de plus de trois éléments de pêne, deux éléments de pêne pourvu de bossages comme illustré aux figures 6 et 7 peuvent être disposé de part et d'autre d'un élément de pêne dépourvu de bossage.In the case where the bolt is composed of more than three elements of bolt, two bolt elements provided with bosses as illustrated in FIGS. can be arranged on either side of a bolt element devoid of boss.
La figure 8 montre les éléments de pêne 1A, 1B de la figure 7
maintenus écartés l'un de l'autre par les bossages et reliés l'un à l'autre par de la
matière surmoulée qui forme une gaine 12 autour des éléments. De la matière
surmoulée remplit également l'interstice 15 entre les deux éléments de pêne de
sorte qu'un ensemble de pêne 1' sans alvéole est obtenu, ce qui est avantageux
pour la rigidité de la pièce.Figure 8 shows the
Ce mode de réalisation est particulièrement avantageux, puisqu'il permet en plus de réduire le poids de l'ensemble du pêne. Par conséquent, il permet l'utilisation d'un ressort de rappel du pêne à dimensions réduites et donc moins cher à la fabrication.This embodiment is particularly advantageous since in addition to reducing the weight of the entire bolt. Consequently, he allows the use of a bolt return spring with reduced dimensions and therefore cheaper to manufacture.
Finalement la figure 9 montre un organe de rétention sous forme
d'un cliquet fabriqué de manière analogue à celle illustrée à la figure 7. Ce cliquet
est composé de deux éléments d'organe de rétention 4A, 4B sous forme d'éléments
de cliquet présentant un profil périphérique sensiblement identique. L'un des
éléments de cliquet (4A) porte sur une de ses faces des moyens d'écartement sous
forme de bossage 14, alors que l'autre élément de cliquet porte sur sa face tournée
vers l'extérieur un pion 10 et un axe 11.Finally, FIG. 9 shows a retention member in the form
a ratchet manufactured in a similar manner to that shown in Figure 7. This ratchet
is composed of two elements of
Comme dans l'exemple du pêne, ces éléments de cliquet 4A, 4B
sont reliés ensemble par un surmoulage. As in the example of the bolt, these
Grâce au fait que l'épaisseur a des organes de rétention est composée
par les épaisseurs de chaque élément d'organe de rétention 1A, 1B, respectivement
4A, 4B et un interstice entre deux éléments juxtaposés, l'invention
permet la fabrication de chaque élément d'organe de rétention en une seule
opération de découpe.Due to the fact that the thickness has retention members is composed by the thicknesses of each element of
Ainsi, on n'a plus besoin d'une machine-outil complexe pourvue de plusieurs poinçons différents et le prix de revient des pênes selon l'invention se trouve fortement réduit. Puisque l'organe de rétention selon l'invention comprend un surmoulage, aucune opération d'assemblage proprement dite n'est nécessaire.Thus, there is no longer a need for a complex machine tool with several different punches and the cost price of the bolts according to the invention is found greatly reduced. Since the retention member according to the invention comprises an overmoulding, no assembly operation proper is not necessary.
Le coût de fabrication de toute serrure de véhicule automobile comprenant un organe de rétention selon l'invention est également réduit.The cost of manufacturing any motor vehicle lock comprising a retention member according to the invention is also reduced.
Claims (10)
- Retention system for automobile vehicle lock, including locking means able to cooperate with locking means on a second retention system in order to hold a strike-plate when the lock is in a closed position, said retention system comprising at least two parts (1A, 1B), wherein said two parts (1A, 1B) of said retention system are superposed and connected to each other by an overmolded casing (12) in such a manner that said retention system presents a predetermined thickness (a) to resist both its breakage and its deformation in the event of a shock, at least one of the parts (1A) of the retention system (1A, 1B) carrying spacing means (14) mounted on its side facing an adjacent retention system part (1B) in such a manner as to create an interstice (15) between said retention system parts that can be filled with overmolding material.
- Retention system according to claim 1, wherein said spacing means include bosses (14) regularly spaced on one (1A) of said retention system parts (1A, 1B).
- Retention system according to claim 1, wherein said retention system parts (1A, 1B) are connected to each other by welding.
- Retention system according to claim 1, wherein said retention system parts (1A, 1B) are connected to each other by gluing.
- Retention system according to any of the preceding claims, wherein said retention system parts (1A, 1B) are two in number.
- Retention system according to any of claims 1 to 5, wherein said retention system parts (1A, 1B) have a substantially identical peripheral profile.
- Retention system according to any of claims 1 to 6, wherein said retention system is a bolt.
- Retention system according to any of claims 1 to 7, wherein said retention system is a pawl.
- Fabrication process of a retention system according to any of claims 1 to 8, wherein each retention system part (1A, 1B) is manufactured by a single cutting operation, and wherein at least two retention system parts are connected to each other by an overmolded casing.
- Automobile vehicle lock, characterized in that it includes at least one retention system according to any of claims 1 to 8, cooperating with another retention system (4) when a strike-plate (3) is in locked position.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0001997 | 2000-02-18 | ||
FR0001997A FR2805301B1 (en) | 2000-02-18 | 2000-02-18 | RETENTION MEMBER FOR A MOTOR VEHICLE LOCK, MANUFACTURING METHOD THEREOF, AND LOCK COMPRISING SUCH A RETENTION MEMBER |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1126108A1 EP1126108A1 (en) | 2001-08-22 |
EP1126108B1 true EP1126108B1 (en) | 2005-07-27 |
Family
ID=8847116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01400395A Expired - Lifetime EP1126108B1 (en) | 2000-02-18 | 2001-02-14 | Retention element for vehicle lock, its manufacturing method and lock comprising such a retention element |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1126108B1 (en) |
DE (1) | DE60112143T2 (en) |
FR (1) | FR2805301B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016142761A1 (en) | 2015-03-06 | 2016-09-15 | Kiekert Ag | Locking mechanism component for a motor vehicle lock |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0003688D0 (en) * | 2000-02-18 | 2000-04-05 | Meritor Light Vehicle Sys Ltd | A latch mechanism |
US7267377B2 (en) * | 2002-12-11 | 2007-09-11 | Tri/Mark Corporation | Latch assembly for a movable closure element |
DE10320459A1 (en) * | 2003-05-08 | 2004-12-16 | Kiekert Ag | Motor vehicle door lock |
US7780205B2 (en) | 2003-05-08 | 2010-08-24 | Kiekert Ag | Motor vehicle door lock |
FR2905971B1 (en) * | 2006-09-15 | 2008-10-24 | Peugeot Citroen Automobiles Sa | SYSTEM FOR ASSISTING THE OPENING OF AN OPENING LOCK OF A MOTOR VEHICLE |
DE102007041478A1 (en) * | 2007-08-31 | 2009-03-05 | Kiekert Ag | Gesperrebauteil for a motor vehicle lock with a pivot bearing point |
DE202007016190U1 (en) * | 2007-11-19 | 2008-02-07 | Kiekert Ag | Locking component for a motor vehicle lock with reinforced shock absorbers |
DE102008048711A1 (en) * | 2008-09-24 | 2010-03-25 | Kiekert Ag | Rotary latch for locking unit of door and key of motor vehicle, has contour plates connected with connecting element with gap for bearing plate, where contour plates form different-sized lateral surfaces |
FR2997028B1 (en) | 2012-10-22 | 2014-11-28 | Valeo Securite Habitacle | METHOD FOR MANUFACTURING A FUNCTIONAL LOCKING MEMBER |
DE102022128903A1 (en) * | 2022-11-02 | 2024-05-02 | Kiekert Aktiengesellschaft | Motor vehicle lock |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2472651A1 (en) * | 1979-12-28 | 1981-07-03 | Cerdan Jacques | Automobile door lock with forked pivot bolt engaging pin staple - uses roller to transmit forces from pawl which secures bolt at closure |
GB2185059A (en) * | 1985-11-23 | 1987-07-08 | Abt Hardware Ltd | Multiple latch mechanism |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4358141A (en) * | 1979-04-07 | 1982-11-09 | Mitsui Kinzoku Kogyo Kabushiki Kaisha | Noise prevention device in an automobile locking apparatus |
JPH061022B2 (en) * | 1987-05-20 | 1994-01-05 | 株式会社大井製作所 | Poles in door locks for automobiles |
JPH05156854A (en) * | 1991-12-02 | 1993-06-22 | Mitsui Mining & Smelting Co Ltd | Vehicle door locking device |
-
2000
- 2000-02-18 FR FR0001997A patent/FR2805301B1/en not_active Expired - Fee Related
-
2001
- 2001-02-14 EP EP01400395A patent/EP1126108B1/en not_active Expired - Lifetime
- 2001-02-14 DE DE2001612143 patent/DE60112143T2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2472651A1 (en) * | 1979-12-28 | 1981-07-03 | Cerdan Jacques | Automobile door lock with forked pivot bolt engaging pin staple - uses roller to transmit forces from pawl which secures bolt at closure |
GB2185059A (en) * | 1985-11-23 | 1987-07-08 | Abt Hardware Ltd | Multiple latch mechanism |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016142761A1 (en) | 2015-03-06 | 2016-09-15 | Kiekert Ag | Locking mechanism component for a motor vehicle lock |
CN107532432A (en) * | 2015-03-06 | 2018-01-02 | 开开特股份公司 | The locking mechanism part of motor vehicle lock |
US11078695B2 (en) | 2015-03-06 | 2021-08-03 | Kiekert Ag | Locking mechanism component for a motor vehicle lock |
Also Published As
Publication number | Publication date |
---|---|
EP1126108A1 (en) | 2001-08-22 |
DE60112143T2 (en) | 2006-04-20 |
FR2805301A1 (en) | 2001-08-24 |
FR2805301B1 (en) | 2002-12-13 |
DE60112143D1 (en) | 2005-09-01 |
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