EP1113128B1 - Filtering striker for a motor vehicle - Google Patents

Filtering striker for a motor vehicle Download PDF

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Publication number
EP1113128B1
EP1113128B1 EP20000403547 EP00403547A EP1113128B1 EP 1113128 B1 EP1113128 B1 EP 1113128B1 EP 20000403547 EP20000403547 EP 20000403547 EP 00403547 A EP00403547 A EP 00403547A EP 1113128 B1 EP1113128 B1 EP 1113128B1
Authority
EP
European Patent Office
Prior art keywords
head
hole
screw
top plate
keeper
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
Application number
EP20000403547
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German (de)
French (fr)
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EP1113128A1 (en
Inventor
Yves Duboille
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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Filing date
Publication date
Application filed by Valeo Securite Habitacle SAS filed Critical Valeo Securite Habitacle SAS
Publication of EP1113128A1 publication Critical patent/EP1113128A1/en
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Publication of EP1113128B1 publication Critical patent/EP1113128B1/en
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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
    • E05B85/04—Strikers
    • E05B85/045—Strikers for bifurcated bolts
    • 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
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations

Definitions

  • Motor vehicle bodies are subject to vibrations caused not only, when driving, by the bumps on the pavement not always perfectly uniform but also, as soon as the engine works, by vibrations from the engine and propagating through the structure of the vehicle including through parts metal of it. This is particularly the case with motors Diesel. These vibrations, which are mostly low frequency, occur then have repercussions on door locks and can cause extremely disturbing noise for the occupants of the vehicle and even damage to the lock.
  • the strikes mounted according to this principle are fixed to a support generally comprising two superimposed metal plates and each glued to one side of said pad of flexible material absorbent.
  • One of the plates, the insert intended to be secured to a element of the vehicle structure, is fixed to it by screwing in two points, while the other plate, bearing the keeper, has no other mechanical connection with this element as the rubber pad.
  • such a striker according to the prior art is mounted on a sheet 9 of the door structure, standing or opening, using two screws 4 tightening the plate lower 2 against the structural element, the head 11 of the screws being inserted through a hole 6 passing through the upper plate 3, which carries the strike 7, and a hole 5 through the bearing 1.
  • the threaded rod 12 of the screws 4 is screwed into a nut 14, located on the other side of the sheet 9 on which the keeper is mounted.
  • the hole 8 in the bottom plate 2 is oversized with respect to the cross section of the threaded rod, so that compensate for manufacturing tolerances when setting up the spoils. Only one assembly point has been shown. The other point assembly, not shown, is located on the support, symmetrically compared to strike 7.
  • This system is satisfactory from the point of view of absorption of vibrations because it saves 8 to 10 dB on noise, but it has the disadvantage that the bonding of the plates by bearing does not withstand very heavy loads, as it can for example in the event of an accident, and the striker can in this case be ripped off, which causes the door to open and can cause the passenger to eject.
  • the lifting effort in the event of an accident may be such that the top plate of the strike mounting bracket flexes in the center between the two pawns, which are distant from each other.
  • the tensile force on the head of the pieces is applied at an angle and can lead to its deformation then to its passage through the hole.
  • a transverse force can be exerted, which causes a shearing of the rod of the two pawns.
  • the object of the invention is therefore to solve these problems in order to improve the security of the strike attachment as well as the time of mounting it.
  • a keeper is mounted on a support made at by means of two superimposed plates, the lower plate, the insert, is intended to be secured to said sheet and the upper plate carries the keeper, the two plates being joined to each other by gluing, or any known means, on both sides of a filter material pad vibrations, in particular rubber or flexible synthetic material, sandwiched between the two plates, the keeper support being provided with at least one screw passage hole, the diameter of the hole in the top plate and the hole in the bearing being higher than that hole in the bottom plate, the bottom plate being attached to the sheet metal by means of at least one screw, the head of which has a section transverse higher than that of the hole in the lower plate and lower than that of the hole in the upper plate, characterized by the fact at least one screw has a double head, the first head being intended to come to rest on the lower plate and to tighten it on the sheet for fixing the strike, while
  • the second head of the screw has a diameter greater than that of the hole in the plate upper, to serve as a safety plate retainer higher than the lower plate in the event of longitudinal force exerted on said striker, that is to say an effort substantially perpendicular to the plane of the support.
  • the first head is in one piece with the rest of the opinion. It consists of a washer threaded or screwed onto the rod screw thread and tightened against the bottom plate via of the second head.
  • the hole of passage of the screw in the lower plate has a diameter between that of the threaded rod of the screw and that of the first head so as to allow adjustment of the strike position relative to the bolt associated which is mounted on the other element opposite the vehicle automobile.
  • the edge of the hole passage of the screw in the upper plate is covered with a elastic annular packing, for example of rubber or the like, having an elastic lip towards the inside of the hole, so as to make the diameter of the hole smaller than that of the first head, to allow the first screw head to be put in place by deformation elastic of the lip during the passage of the head and to retain the screw on the support, before fixing.
  • a elastic annular packing for example of rubber or the like, having an elastic lip towards the inside of the hole, so as to make the diameter of the hole smaller than that of the first head, to allow the first screw head to be put in place by deformation elastic of the lip during the passage of the head and to retain the screw on the support, before fixing.
  • the lining annular and the lip are obtained by overmolding of the plate upper part and form part of the cushion.
  • the support is fixed on the sheet metal by tightening the threaded rod of the screws in nuts prisoners in a cage or welded to the side of the sheet opposite the spoils.
  • the security of the fixation is reinforced by at least one counter, crossing with play peripheral the upper plate by a hole, the rod of each pawn being secured to the bottom plate by screwing or riveting and the head of each pawn being spaced and located above the plate upper after its installation, said head having a diameter higher than that of the peg hole in the top plate in order to retain it in the event of a break in the connection with the bearing.
  • FIG. 2 shows one of the two fixing points according to the invention of a motor vehicle door strike.
  • the keeper support consists of two plates 2 and 3 joined by gluing or any known means to a pad 1 rubber or flexible synthetic material sandwiched between the two plates.
  • plates 2 and 3 of the support keeper as well as the bearing 1 are provided with a through hole for a screw 4 intended for fixing the lower plate 2 to the structure.
  • the screw 4 has a double head, the heads 10 and 11 of which have substantially the same diameter, slightly less than the diameter of hole 6 of the upper plate 3 carrying the keeper proper (not shown). Between the head 10 and the head 11, the screw 4 has a middle part 4a diameter less than that of the heads and greater than that of the rod threaded 12.
  • She also passes through the structural element 9 through a hole 13 (opening or of the frame) and is screwed into a nut 14 trapped in a cage 21 (visible in Figure 1) or welded at 22 to sheet 9 on the side opposite the spoils.
  • the cage 21 rotates the nut to the sheet metal 9.
  • the head 10 has on its top a housing 4b of hexagonal shape for its cooperation with a screwdriver of complementary shape.
  • pins 15 shown in the figure 5 The safety of the connection of the strike plate to sheet 9 is ensured, in the event tearing of the pad 1, by pins 15 shown in the figure 5.
  • These pins are screwed or riveted or welded to the bottom plate 2 and their rod 17a passes through the upper plate 3 through a hole 16, the diameter is less than that of the head 17b of the pin, said rod 17a also passing through pad 1 to attach to the plate lower 2.
  • the rod 17a of each pin 15 is spaced from hole 16 by a peripheral clearance j of the order of 0.4 mm and the head 17b is spaced from the top of the plate 3 by a height h of the order of 1 mm.
  • the keeper thus fixed on the structure can be guaranteed, not only, against separation of the structure in the event of impact causing a tearing of the connection with the bearing 1 in the direction longitudinal but also against a shear failure of the safety pad by improving the shear strength in case of transverse stress.
  • the heads 110 of the screws 4 have a diameter greater than that of the hole 6 of the upper plate 2. Thanks to this measurement, the head 110 of the screws plays the same role as the head 17b of the pawns 15 of FIG. 5 (on which the pad 1 has been omitted to facilitate understanding of the drawing). These the latter can therefore be deleted since the screws 4 ensure that the both the pullout resistance and the shear strength.
  • the second head of the screw 4 consists of a washer 111 of same diameter as the above-mentioned head 11 and is threaded or screwed onto the rod 12 under a shoulder of the middle part 4a of the screw.
  • the washer 111 plays the same role as the head 11 when the screw 4 is tightened, the middle part 4a pressing the washer 111 against the lower plate 2.
  • the washer 111 is located at a portion 12a of smaller section at the base of the threaded rod 12.
  • the edge of the holes 6 in the upper plate 3 is provided with an annular lining 18 in rubber or flexible synthetic material, overlapping the faces upper and lower plate around hole 6.
  • This trim has an annular lip 19 projecting radially towards inside the hole.
  • the keeper can be brought to the mounting location on the vehicle with its screws fixing, without the fitter having to provide a supply of separate screw, where he must take the screws that he inserts into the holes of passage before tightening them. This reduces the assembly time. In addition, there is no risk of losing the screws during assembly, as they cannot fall out of the holder.
  • the keeper 7 is formed a plate provided with an opening 7a into which can be inserted a branch of a fork bolt of a lock case known per se.
  • the pad 1 does not extend vertically from the the top plate.
  • the lining 18 preferably comes from molding with the pad 1, it can be provided that said lining is a separate part pad 1 (which can also be in several parts).

Landscapes

  • Vibration Dampers (AREA)
  • Connection Of Plates (AREA)

Description

L'invention concerne une gâche filtrante, destinée à être montée sur la carrosserie ou sur un ouvrant d'un véhicule automobile pour coopérer avec un pêne monté sur l'élément opposé, ouvrant ou carrosserie, voir par exemple DE 19732365 A.The invention relates to a filter keeper, intended to be mounted on the bodywork or on an opening of a motor vehicle to cooperate with a bolt mounted on the opposite element, opening or bodywork, see for example DE 19732365 A.

Les carrosseries de véhicules automobiles sont soumises à des vibrations causées non seulement, lors du roulage, par les cahots sur la chaussée pas toujours parfaitement uniforme mais aussi, dès que le moteur fonctionne, par des vibrations provenant du moteur et se propageant à travers la structure du véhicule notamment par les pièces métalliques de celle-ci. C'est particulièrement le cas avec les moteurs Diesel. Ces vibrations, qui sont en majorité à basse fréquence, se répercutent alors sur les serrures des portes et peuvent provoquer des bruits extrêmement dérangeants pour les occupants du véhicule et même des détériorations de la serrure.Motor vehicle bodies are subject to vibrations caused not only, when driving, by the bumps on the pavement not always perfectly uniform but also, as soon as the engine works, by vibrations from the engine and propagating through the structure of the vehicle including through parts metal of it. This is particularly the case with motors Diesel. These vibrations, which are mostly low frequency, occur then have repercussions on door locks and can cause extremely disturbing noise for the occupants of the vehicle and even damage to the lock.

Afin d'éviter cet inconvénient, on a conçu des serrures dont la gâche est reliée à la carrosserie, ou à l'ouvrant par l'intermédiaire d'un coussinet de caoutchouc ou de matière synthétique qui absorbe la plus grande partie de ces vibrations.In order to avoid this drawback, locks have been designed whose keeper is connected to the bodywork, or to the opening via a rubber or synthetic padding that absorbs the most much of these vibrations.

Les gâches montées selon ce principe sont fixées à un support comportant généralement deux plaques métalliques superposées et collées chacune sur une face dudit coussinet de matière souple absorbante. L'une des plaques, l'insert destiné à être solidarisé à un élément de la structure du véhicule, y est fixée par vissage en deux points, alors que l'autre plaque, portant la gâche, n'a aucune autre liaison mécanique avec cet élément que le coussinet de caoutchouc.The strikes mounted according to this principle are fixed to a support generally comprising two superimposed metal plates and each glued to one side of said pad of flexible material absorbent. One of the plates, the insert intended to be secured to a element of the vehicle structure, is fixed to it by screwing in two points, while the other plate, bearing the keeper, has no other mechanical connection with this element as the rubber pad.

Comme on l'a représentée sur la figure 1, une telle gâche selon l'art antérieur est montée, sur une tôle 9 de la structure de portière, dormant ou ouvrant, au moyen de deux vis 4 serrant la plaque inférieure 2 contre l'élément de structure, la tête 11 des vis étant insérée par un trou 6 traversant la plaque supérieure 3, qui porte la gâche 7, et un trou 5 à travers le coussinet 1. La tige filetée 12 des vis 4 est vissée dans un écrou 14, situé de l'autre côté de la tôle 9 sur laquelle la gâche est montée. Le trou 8 dans la plaque inférieure 2 est surdimensionné par rapport à la section de la tige filetée, de façon à compenser les tolérances de fabrication lors de la mise en place de la gâche. Un seul point d'assemblage a été représenté. L'autre point d'assemblage, non représenté, est situé sur le support, symétriquement par rapport à la gâche 7.As shown in Figure 1, such a striker according to the prior art is mounted on a sheet 9 of the door structure, standing or opening, using two screws 4 tightening the plate lower 2 against the structural element, the head 11 of the screws being inserted through a hole 6 passing through the upper plate 3, which carries the strike 7, and a hole 5 through the bearing 1. The threaded rod 12 of the screws 4 is screwed into a nut 14, located on the other side of the sheet 9 on which the keeper is mounted. The hole 8 in the bottom plate 2 is oversized with respect to the cross section of the threaded rod, so that compensate for manufacturing tolerances when setting up the spoils. Only one assembly point has been shown. The other point assembly, not shown, is located on the support, symmetrically compared to strike 7.

Ce système est satisfaisant du point de vue de l'absorption des vibrations car il permet de gagner 8 à 10 dB sur le bruit, mais il présente l'inconvénient que la liaison par collage des plaques au coussinet ne résiste pas à de très fortes sollicitations, comme il peut s'en produire par exemple en cas d'accident, et la gâche peut dans ce cas être arrachée, ce qui provoque l'ouverture de la porte et peut entrainer l'éjection du passager.This system is satisfactory from the point of view of absorption of vibrations because it saves 8 to 10 dB on noise, but it has the disadvantage that the bonding of the plates by bearing does not withstand very heavy loads, as it can for example in the event of an accident, and the striker can in this case be ripped off, which causes the door to open and can cause the passenger to eject.

Afin de remédier à ce problème, on peut ajouter au support de la gâche, symétriquement par rapport à la gâche et de part et d'autre d'une vis de fixation, des pions rivetés sur la plaque inférieure, passant de la même façon dans des trous de la plaque supérieure et du coussinet, mais présentant une tête dont le diamètre est supérieur à celui du trou de la plaque supérieure et s'étendant au-dessus de la plaque supérieure. Ainsi, lorsque la sollicitation de la liaison du coussinet avec les plaques dépasse la résistance à l'arrachage de celle-ci, la plaque supérieure portant la gâche est décollée du coussinet et vient buter sur les têtes des pions, qui empêchent la séparation de la gâche et de la structure.In order to remedy this problem, it is possible to add to the support of the striker, symmetrically with respect to the striker and on both sides a fixing screw, pins riveted to the lower plate, passing in the same way in holes in the top plate and bearing, but having a head whose diameter is greater than that of the hole in the top plate and extending above the top plate. So when the solicitation of the link of the bearing with the plates exceeds the tearing resistance of the latter, the upper plate carrying the keeper is detached from the bearing and abuts on the heads of the pawns, which prevent the separation of the spoiler and structure.

Cette solution améliore considérablement la sécurité de la fixation de la gâche mais présente toutefois encore des inconvénients.This solution significantly improves the security of the fixing the striker but still has drawbacks.

En effet, l'effort d'arrachage en cas d'accident peut être tel que la plaque supérieure du support de fixation de la gâche fléchit au centre entre les deux pions, qui sont éloignés l'un de l'autre. A ce moment là, l'effort de traction sur la tête des pions est appliqué en biais et peut conduire à sa déformation puis à son passage par le trou. De plus, un effort transversal peut être exercé, ce qui provoque un cisaillement de la tige des deux pions.Indeed, the lifting effort in the event of an accident may be such that the top plate of the strike mounting bracket flexes in the center between the two pawns, which are distant from each other. At this moment, the tensile force on the head of the pieces is applied at an angle and can lead to its deformation then to its passage through the hole. In addition, a transverse force can be exerted, which causes a shearing of the rod of the two pawns.

Enfin, pour le montage des gâches, les vis sont amenées à part au poste de travail. Or il peut être intéressant, afin de gagner du temps, d'avoir déjà les vis en place sur le support de gâche lors du montage afin de n'avoir qu'à serrer ces vis sur l'ouvrant ou la carrosserie après positionnement de la gâche. Finally, for mounting the strikes, the screws are brought apart to the workplace. Now it can be interesting, in order to save time, already have the screws in place on the strike support during assembly so that you only have to tighten these screws on the sash or the body after strike position.

Le but de l'invention est donc de résoudre ces problèmes afin d'améliorer la sécurité de la fixation de la gâche ainsi que le temps de montage de celle-ci.The object of the invention is therefore to solve these problems in order to improve the security of the strike attachment as well as the time of mounting it.

Ce but est atteint selon l'invention dans un système de fixation d'une gâche à une tôle de la carrosserie ou d'un ouvrant d'un véhicule automobile, dans lequel une gâche est montée sur un support réalisé au moyen de deux plaques superposées dont la plaque inférieure, l'insert, est destinée à être solidarisée à ladite tôle et la plaque supérieure porte la gâche, les deux plaques étant réunies l'une à l'autre par collage, ou tout moyen connu, sur les deux faces d'un coussinet de matière filtrante de vibrations, notamment en caoutchouc ou matière synthétique souple, placé en sandwich entre les deux plaques, le support de gâche étant pourvu d'au moins un trou de passage de vis, le diamètre du trou dans la plaque supérieure et du trou dans le coussinet étant supérieur à celui du trou dans la plaque inférieure, la plaque inférieure étant fixée à la tôle au moyen d'au moins une vis, dont la tête présente une section transversale supérieure à celle du trou de la plaque inférieure et inférieure à celle du trou de la plaque supérieure, caractérisé par le fait qu'au moins une vis présente une double tête, la première tête étant destinée à venir en appui sur la plaque inférieure et à serrer celle-ci sur la tôle pour la fixation de la gâche, alors que la deuxième tête fait saillie du côté de la plaque supérieure opposé au coussinet pour servir de moyen de retenue de sécurité de la plaque supérieure par rapport à la plaque inférieure en cas d'effort transversal exercé sur ladite gâche, c'est à dire un effort sensiblement parallèle au plan du support, ladite deuxième tête étant sans contact avec la plaque supérieure en fonctionnement normal de filtration des vibrations par le coussinet.This object is achieved according to the invention in a fixing system a strike to a body sheet or a door leaf of a vehicle automobile, in which a keeper is mounted on a support made at by means of two superimposed plates, the lower plate, the insert, is intended to be secured to said sheet and the upper plate carries the keeper, the two plates being joined to each other by gluing, or any known means, on both sides of a filter material pad vibrations, in particular rubber or flexible synthetic material, sandwiched between the two plates, the keeper support being provided with at least one screw passage hole, the diameter of the hole in the top plate and the hole in the bearing being higher than that hole in the bottom plate, the bottom plate being attached to the sheet metal by means of at least one screw, the head of which has a section transverse higher than that of the hole in the lower plate and lower than that of the hole in the upper plate, characterized by the fact at least one screw has a double head, the first head being intended to come to rest on the lower plate and to tighten it on the sheet for fixing the strike, while the second head is projection on the side of the upper plate opposite the pad to serve of safety means for retaining the upper plate with respect to the lower plate in the event of transverse force exerted on said keeper, that is to say an effort substantially parallel to the plane of the support, said second head being without contact with the upper plate in normal vibration filtration operation by the cushion.

Selon une réalisation particulière de l'invention, la deuxième tête de la vis a un diamètre supérieur à celui du trou de la plaque supérieure, pour servir de moyen de retenue de sécurité de la plaque supérieure par rapport à la plaque inférieure en cas d'effort longitudinal exercé sur ladite gâche, c'est à dire un effort sensiblement perpendiculaire au plan du support.According to a particular embodiment of the invention, the second head of the screw has a diameter greater than that of the hole in the plate upper, to serve as a safety plate retainer higher than the lower plate in the event of longitudinal force exerted on said striker, that is to say an effort substantially perpendicular to the plane of the support.

Selon l'invention, la première tête est monobloc avec le reste de la vis. Elle est constituée par une rondelle enfilée ou vissée sur la tige filetée de la vis et serrée contre la plaque inférieure par l'intermédiaire de la deuxième tête.According to the invention, the first head is in one piece with the rest of the opinion. It consists of a washer threaded or screwed onto the rod screw thread and tightened against the bottom plate via of the second head.

Selon une caractéristique particulière de l'invention, le trou de passage de la vis dans la plaque inférieure a un diamètre compris entre celui de la tige filetée de la vis et celui de la première tête de manière à permettre un ajustement de la position de la gâche par rapport au pêne associé qui est monté sur l'autre élément en vis à vis du véhicule automobile.According to a particular characteristic of the invention, the hole of passage of the screw in the lower plate has a diameter between that of the threaded rod of the screw and that of the first head so as to allow adjustment of the strike position relative to the bolt associated which is mounted on the other element opposite the vehicle automobile.

Selon une autre caractéristique de l'invention, le bord du trou de passage de la vis dans la plaque supérieure est recouvert d'une garniture annulaire élastique, par exemple en caoutchouc ou analogue, présentant vers l'intérieur du trou une lèvre élastique, de manière à rendre le diamètre du trou inférieur à celui de la première tête, à permettre la mise en place de la première tête de la vis par déformation élastique de la lèvre lors du passage de la tête et à retenir la vis sur le support, avant sa fixation.According to another characteristic of the invention, the edge of the hole passage of the screw in the upper plate is covered with a elastic annular packing, for example of rubber or the like, having an elastic lip towards the inside of the hole, so as to make the diameter of the hole smaller than that of the first head, to allow the first screw head to be put in place by deformation elastic of the lip during the passage of the head and to retain the screw on the support, before fixing.

Selon une autre caractéristique de l'invention, la garniture annulaire et la lèvre sont obtenues par surmoulage de la plaque supérieure et font corps avec le coussinet.According to another characteristic of the invention, the lining annular and the lip are obtained by overmolding of the plate upper part and form part of the cushion.

Selon une autre caractéristique de l'invention, le support est fixé sur la tôle par serrage de la tige filetée des vis dans des écrous prisonniers dans une cage ou soudés sur le côté de la tôle opposé à la gâche.According to another characteristic of the invention, the support is fixed on the sheet metal by tightening the threaded rod of the screws in nuts prisoners in a cage or welded to the side of the sheet opposite the spoils.

Selon une autre caractéristique de l'invention, la sécurité de la fixation est renforcée grâce à au moins un pion, traversant avec du jeu périphérique la plaque supérieure par un trou, la tige de chaque pion étant solidarisée à la plaque inférieure par vissage ou par rivetage et la tête de chaque pion étant espacée et située au-dessus de la plaque supérieure après sa mise en place, ladite tête ayant un diamètre supérieur à celui du trou de passage de pion dans la plaque supérieure afin de retenir celle-ci en cas de rupture de la liaison avec le coussinet.According to another characteristic of the invention, the security of the fixation is reinforced by at least one counter, crossing with play peripheral the upper plate by a hole, the rod of each pawn being secured to the bottom plate by screwing or riveting and the head of each pawn being spaced and located above the plate upper after its installation, said head having a diameter higher than that of the peg hole in the top plate in order to retain it in the event of a break in the connection with the bearing.

L'invention sera mieux comprise au moyen d'exemples de réalisation représentés au dessin annexé qui montre :

Figure 1 :
vue partielle en coupe transversale, la fixation d'un support de gâche sur une structure de portière, carrosserie ou ouvrant, selon l'art antérieur ;
Figure 2 :
vue partielle en coupe transversale, la fixation d'un support de gâche sur une structure de portière, carrosserie ou ouvrant, selon l'invention ;
Figure 3 :
vue partielle en coupe transversale, la fixation d'un support de gâche, sur une structure de portière, carrosserie ou ouvrant, selon une deuxième forme de réalisation de l'invention ;
Figure 4 :
vue partielle en coupe transversale, le support de gâche selon l'invention selon une troisième variante ;
Figure 5 :
en perspective, de dessus, d'une gâche selon l'invention, avec des pions de retenue de sécurité ;
Figure 6 :
diagramme représentant la force de cisaillement exercée sur le coussinet de la gâche en fonction de son allongement.
The invention will be better understood by means of exemplary embodiments represented in the appended drawing which shows:
Figure 1 :
partial view in cross section, the attachment of a strike support on a door structure, bodywork or opening, according to the prior art;
Figure 2:
partial view in cross section, the attachment of a strike support on a door structure, bodywork or opening, according to the invention;
Figure 3:
partial view in cross section, the attachment of a strike support, on a door structure, bodywork or opening, according to a second embodiment of the invention;
Figure 4:
partial view in cross section, the keeper support according to the invention according to a third variant;
Figure 5:
in perspective, from above, of a keeper according to the invention, with safety retaining pins;
Figure 6:
diagram representing the shear force exerted on the strike pad as a function of its elongation.

On a représenté sur la figure 2 l'un des deux points de fixation selon l'invention d'une gâche de portière de véhicule automobile. Comme sur la figure 1, le support de la gâche est constitué de deux plaques 2 et 3 réunies par collage ou tout moyen connu à un coussinet 1 de caoutchouc ou de matière synthétique souple pris en sandwich entre les deux plaques. Au point de fixation, les plaques 2 et 3 du support de gâche ainsi que le coussinet 1 sont pourvus d'un trou de passage d'une vis 4 destinée à la fixation de la plaque inférieure 2 sur la structure.FIG. 2 shows one of the two fixing points according to the invention of a motor vehicle door strike. As in Figure 1, the keeper support consists of two plates 2 and 3 joined by gluing or any known means to a pad 1 rubber or flexible synthetic material sandwiched between the two plates. At the fixing point, plates 2 and 3 of the support keeper as well as the bearing 1 are provided with a through hole for a screw 4 intended for fixing the lower plate 2 to the structure.

Selon une première réalisation représentée sur la figure 2, la vis 4 comporte une double tête dont les têtes 10 et 11 ont sensiblement le même diamètre, légèrement inférieur au diamètre du trou 6 de la plaque supérieure 3 portant la gâche proprement dite (non représentée). Entre la tête 10 et la tête 11, la vis 4 comporte une partie médiane 4a de diamètre inférieur à celui des têtes et supérieur à celui de la tige filetée 12. La tige filetée 12 de la vis 4, située sous la tête 11, traverse la plaque inférieure, ou insert 2, par un trou 8 surdimensionné, par exemple de section carrée, afin de compenser les tolérences de fabrication de la structure lors du positionnement de la gâche. Elle traverse également l'élément de structure 9 par un trou 13 (ouvrant ou du dormant) et se visse dans un écrou 14 prisonnier dans une cage 21 (visible sur la figure 1) ou soudé en 22 à la tôle 9 du côté opposé à la gâche. La cage 21 solidarise en rotation l'écrou à la tôle 9. La tête 10 comporte sur son dessus un logement 4b de forme hexagonale pour sa coopération avec un tournevis de forme complémentaire.According to a first embodiment shown in Figure 2, the screw 4 has a double head, the heads 10 and 11 of which have substantially the same diameter, slightly less than the diameter of hole 6 of the upper plate 3 carrying the keeper proper (not shown). Between the head 10 and the head 11, the screw 4 has a middle part 4a diameter less than that of the heads and greater than that of the rod threaded 12. The threaded rod 12 of the screw 4, located under the head 11, passes through the lower plate, or insert 2, by an oversized hole 8, by example of square section, in order to compensate for the tolerances of fabrication of the structure when positioning the strike. She also passes through the structural element 9 through a hole 13 (opening or of the frame) and is screwed into a nut 14 trapped in a cage 21 (visible in Figure 1) or welded at 22 to sheet 9 on the side opposite the spoils. The cage 21 rotates the nut to the sheet metal 9. The head 10 has on its top a housing 4b of hexagonal shape for its cooperation with a screwdriver of complementary shape.

La sécurité de la liaison de la gâche à la tôle 9 est assurée, en cas d'arrachage du coussinet 1, par des pions 15 représentés sur la figure 5. Ces pions sont vissés ou rivetés ou soudés sur la plaque inférieure 2 et leur tige 17a traverse la plaque supérieure 3 par un trou 16 dont le diamètre est inférieur à celui de la tête 17b du pion, ladite tige 17a traversant également le coussinet 1 pour se fixer sur la plaque inférieure 2. Comme visible sur la figure 5, la tige 17a de chaque pion 15 est espacée du trou 16 par un jeu périphérique j de l'ordre de 0,4 mm et la tête 17b est espacée du dessus de la plaque 3 d'une hauteur h de l'ordre de 1 mm. Comme repésenté sur la figure 6, avec des vibrations normales de fonctionnement, le coussinet 1 est apte à encaisser des déformations dont l'allongement x est compris entre - 0,4 et 0,4 mm, tout en conservant son élasticité. Au cours de ces déformations, les pions ne viennent pas en contact avec la plaque supérieure 3. Au delà de 0,4 mm de déformation, la matière du coussinet peut subir des déformations plastiques, voire se déchirer, se décoller ou rompre, comme indiqué par la pente raide sur le graphique illustrant la relation entre l'intensité de la force transversale de cisaillement F exercée sur le support et l'allongement du coussinet sous cet effort. A cet effet, on prévoit que la tige 17a des pions vient buter contre le bord des trous 16 de la plaque supérieure 3, au delà d'un allongement x correspondant à j = 0,4 mm, sous l'effet d'une force transversable de cisaillement. Dans le cas d'une force de traction T engendrée sur la gâche perpendiculairement au support, la plaque supérieure 3 viendra buter contre la tête 17b des pions, après une déformation de 1 mm du coussinet. En cas d'accident, la plaque 3 portant la gâche est retenue par les têtes 17a des pions 15 qui butent sur la plaque 3 et la portière ne peut pas s'ouvrir intempestivement.The safety of the connection of the strike plate to sheet 9 is ensured, in the event tearing of the pad 1, by pins 15 shown in the figure 5. These pins are screwed or riveted or welded to the bottom plate 2 and their rod 17a passes through the upper plate 3 through a hole 16, the diameter is less than that of the head 17b of the pin, said rod 17a also passing through pad 1 to attach to the plate lower 2. As can be seen in FIG. 5, the rod 17a of each pin 15 is spaced from hole 16 by a peripheral clearance j of the order of 0.4 mm and the head 17b is spaced from the top of the plate 3 by a height h of the order of 1 mm. As shown in Figure 6, with normal operating vibrations, the pad 1 is capable of absorb deformations whose elongation x is between - 0.4 and 0.4 mm, while retaining its elasticity. During these deformations, the pins do not come into contact with the plate upper 3. Beyond 0.4 mm deformation, the material of the bearing can undergo plastic deformations, even tear, take off or break, as indicated by the steep slope on the graph illustrating the relationship between the intensity of the transverse force of shear F exerted on the support and the elongation of the bearing under this effort. To this end, provision is made for the rod 17a of the pins to abut against the edge of the holes 16 of the upper plate 3, beyond a elongation x corresponding to j = 0.4 mm, under the effect of a force transverse shear. In the case of a tensile force T generated on the strike perpendicular to the support, the plate superior 3 will come up against the head 17b of the pawns, after a 1 mm deformation of the bearing. In the event of an accident, plate 3 carrying the keeper is retained by the heads 17a of the pins 15 which abut on the plate 3 and the door cannot open unexpectedly.

La gâche ainsi fixée sur la structure peut être garantie, non seulement, contre une séparation de la structure en cas de choc provoquant un arrachage de la liaison avec le coussinet 1 dans le sens longitudinal, mais aussi contre une rupture par cisaillement du coussinet de sécurité en améliorant la résistance au cisaillement en cas de sollicitation transversale. The keeper thus fixed on the structure can be guaranteed, not only, against separation of the structure in the event of impact causing a tearing of the connection with the bearing 1 in the direction longitudinal but also against a shear failure of the safety pad by improving the shear strength in case of transverse stress.

Selon une deuxième forme de réalisation représentée sur la figure 3, les têtes 110 des vis 4 ont un diamètre supérieur à celui du trou 6 de la plaque supérieure 2. Grâce à cette mesure, la tête 110 des vis joue le même rôle que la tête 17b des pions 15 de la figure 5 (sur laquelle le coussinet 1 a été omis pour faciliter la compréhention du dessin). Ces derniers peuvent donc être supprimés puisque les vis 4 assurent à la fois la résistance à l'arrachage et la résistance au cisaillement.According to a second embodiment shown in the figure 3, the heads 110 of the screws 4 have a diameter greater than that of the hole 6 of the upper plate 2. Thanks to this measurement, the head 110 of the screws plays the same role as the head 17b of the pawns 15 of FIG. 5 (on which the pad 1 has been omitted to facilitate understanding of the drawing). These the latter can therefore be deleted since the screws 4 ensure that the both the pullout resistance and the shear strength.

Toutefois, si l'on maintient la présence des pions, la sécurité contre l'arrachage et le cisaillement est renforcée.However, if the presence of the pawns is maintained, security against tearing and shearing is reinforced.

Selon une troisième forme de réalisation représentée à la figure 4, la deuxième tête de la vis 4 est constituée d'une rondelle 111 de même diamètre que la tête 11 précitée et est enfilée ou vissée sur la tige 12 sous un épaulement de la partie médiane 4a de la vis . La rondelle 111 joue le même rôle que la tête 11 lorsque la vis 4 est serrée, la partie médiane 4a appuyant la rondelle 111 contre la plaque inférieure 2. La rondelle 111 est située au niveau d'une portion 12a de plus petite section à la base de la tige filetée 12.According to a third embodiment represented in the figure 4, the second head of the screw 4 consists of a washer 111 of same diameter as the above-mentioned head 11 and is threaded or screwed onto the rod 12 under a shoulder of the middle part 4a of the screw. The washer 111 plays the same role as the head 11 when the screw 4 is tightened, the middle part 4a pressing the washer 111 against the lower plate 2. The washer 111 is located at a portion 12a of smaller section at the base of the threaded rod 12.

Comme le montrent les figures 2 et 3, le bord des trous 6 dans la plaque supérieure 3 est pourvu d'une garniture annulaire 18 en caoutchouc ou matière synthétique souple, chevauchant les faces supérieure et inférieure de la plaque autour du trou 6. Cette garniture présente une lèvre 19 annulaire faisant radialement saillie vers l'intérieur du trou. Lorsque la vis 4 selon l'invention est introduite dans le trou 6, la lèvre 19 de la garniture, cède élastiquement à la pression exercée pour introduire la tête 11 ou la rondelle 111 entre les plaques et reprend sa position après passage de la tête 11 ou de la rondelle 111. La vis est alors prisonnière du support en étant retenue par la tête 11 ou la rondelle 111 qui ne peut pas franchir spontanément le passage du trou 6 de diamètre réduit par la lèvre 19, sans exercer un effort donné.As shown in Figures 2 and 3, the edge of the holes 6 in the upper plate 3 is provided with an annular lining 18 in rubber or flexible synthetic material, overlapping the faces upper and lower plate around hole 6. This trim has an annular lip 19 projecting radially towards inside the hole. When the screw 4 according to the invention is introduced into the hole 6, the lip 19 of the gasket, yields elastically to the pressure exerted to introduce the head 11 or the washer 111 between the plates and returns to its position after passage of the head 11 or the washer 111. The screw is then trapped in the support while being retained by the head 11 or the washer 111 which cannot spontaneously cross the passage of the hole 6 of reduced diameter by the lip 19, without exerting a given force.

Grace à cette disposition, la gâche peut être amenée à l'emplacement de montage sur le véhicule en étant pourvue de ses vis de fixation, sans que le monteur ait à prévoir un approvisionnement en vis séparé, où il doit prendre les vis qu'il inserre dans les trous de passage avant de les serrer. Cela réduit le temps de montage. En outre, on ne risque pas de perdre les vis lors du montage, car elles ne peuvent tomber du support. Thanks to this arrangement, the keeper can be brought to the mounting location on the vehicle with its screws fixing, without the fitter having to provide a supply of separate screw, where he must take the screws that he inserts into the holes of passage before tightening them. This reduces the assembly time. In addition, there is no risk of losing the screws during assembly, as they cannot fall out of the holder.

Par ailleurs, on voit, sur la figure 5, que la gâche 7 est formée d'une plaquette munie d'une ouverture 7a dans laquelle peut s'insérer une branche d'un pêne à fourche d'un boítier de serrure connu en soi. De préférence, le coussinet 1 ne s'étend pas à la verticale des trous de la plaque supérieure.Furthermore, it can be seen in FIG. 5 that the keeper 7 is formed a plate provided with an opening 7a into which can be inserted a branch of a fork bolt of a lock case known per se. Preferably, the pad 1 does not extend vertically from the the top plate.

Bien que la garniture 18 vienne de préférence de moulage avec le coussinet 1, on peut prévoir que ladite garniture est une pièce distincte du coussinet 1 (qui peut aussi être en plusieurs parties).Although the lining 18 preferably comes from molding with the pad 1, it can be provided that said lining is a separate part pad 1 (which can also be in several parts).

Claims (9)

  1. System for fixing a keeper (7) to a metal sheet (9) on the bodywork or door of a motor vehicle, in which a keeper is mounted on a support produced by means of two superimposed plates (2, 3), where the bottom plate (2), the insert, is intended to be fixed to the said metal sheet (9) and the top plate (3) carries the keeper (7), the two plates being joined to each other by adhesive bonding, or by any known means, on the two faces of a cushion (1) made from vibration-filtering material, in particular rubber or flexible synthetic material, placed in a sandwich between the two plates, the keeper support being provided with at least one screw passage hole, the diameter of the hole (6) in the top plate (3) and of the hole (5) in the cushion (1) being greater than that of the hole (8) in the bottom plate (2), the bottom plate (2) being fixed to the metal sheet (9) by means of at least one screw (4) whose head (11, 111) has a transverse section greater than that of the hole (8) in the bottom plate (2) and less than that of the hole (6) in the top plate (3), characterised by the fact that at least one screw (4) has a double head, a first head (11, 111) and a second head (10, 110), and comprises, between the said first head and the said second head, a middle part (4a) with a diameter less than that of the said heads, the first head (11, 111) being intended to come into abutment on the bottom plate (2) and to clamp the latter to the metal sheet (9) for fixing the keeper, whilst the second head (10, 110) projects on the side of the top plate (3) opposite to the cushion (1) in order to serve as a means for the security holding of the top plate (3) with respect to the bottom plate (2) in the event of a transverse force (F) exerted on the said keeper (7), that is to say a force substantially parallel to the plane of the support, the said second head (10, 110) being without contact with the top plate (3) in normal functioning of filtration of the vibrations by the cushion (1).
  2. System according to Claim 1, characterised in that the second head (110) of the screw (4) has a diameter greater than that of the hole (6) in the top plate (3), in order to serve as a safety holding means for the top plate with respect to the bottom plate (2) in the event of longitudinal force (T) exerted on the said keeper (7), that is to say a force substantially perpendicular to the plane of the support.
  3. System according to Claim 1 or 2, characterised in that the first head (11) is in a single piece with the rest of the screw (4).
  4. System according to Claim 1 or 2, characterised in that the first head (111) consists of a washer slipped or screwed onto the threaded stem (12) of the screw (4) and clamped against the bottom plate (2) by means of the second head (10, 110).
  5. System according to one of Claims 1 to 4, characterised in that the hole (8) for passage of the screw (4) in the bottom plate (2) has a diameter between that of the threaded stem (12) of the screw (4) and that of the first head (11, 111) so as to allow adjustment of the position of the keeper (7) with respect to the associated bolt which is mounted on the other facing element of the motor vehicle.
  6. System according to one of Claims 1 to 5, characterised in that the edge of the hole (6) for passage of the screw (4) in the top plate (3) is covered with an annular elastic lining (18), for example made from rubber or the like, having towards the inside of the hole an elastic lip (19), so as to make the diameter of the hole (6) less than that of the first head (11, 111), to allow the fitting of the first head of the screw by elastic deformation of the lip when the head passes and to hold the screw (4) on the support, before it is fixed.
  7. System according to Claim 6, characterised by the fact that the annular lining (18) and the lip (19) are obtained by overmoulding of the top plate (3) and form part of the cushion (1).
  8. System according to one of the preceding claims, characterised in that the support is fixed to the metal sheet (9) by clamping the threaded stem (12) of the screws (4) in nuts (14) captive in a cage (21) or welded (22) to the side of the metal sheet opposite to the keeper.
  9. System according to one of the preceding claims, characterised in that the fixing security is increased by virtue of at least one stud (15) passing with peripheral clearance (j) through the top plate (3) through a hole (16), the shank (17a) of each stud (15) being fixed to the bottom plate (2) by screwing or riveting and the head (17b) of each stud being spaced apart and situated above the top plate (3) after it is fitted, the said head having a diameter greater than that of the hole (16) for passage of the stud through the top plate (3) in order to hold the latter in the event of rupture of the connection with the cushion (1).
EP20000403547 1999-12-29 2000-12-15 Filtering striker for a motor vehicle Expired - Lifetime EP1113128B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9916621A FR2803322B1 (en) 1999-12-29 1999-12-29 FILTER STRIKE FOR MOTOR VEHICLE
FR9916621 1999-12-29

Publications (2)

Publication Number Publication Date
EP1113128A1 EP1113128A1 (en) 2001-07-04
EP1113128B1 true EP1113128B1 (en) 2004-07-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000403547 Expired - Lifetime EP1113128B1 (en) 1999-12-29 2000-12-15 Filtering striker for a motor vehicle

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EP (1) EP1113128B1 (en)
DE (1) DE60012467T2 (en)
FR (1) FR2803322B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006002972B4 (en) * 2006-01-20 2017-02-09 Audi Ag striker
FR2947584B1 (en) 2009-07-06 2011-06-10 Peugeot Citroen Automobiles Sa VIBRATION DAMPING DEVICE OF A GACHE
FR2982572B1 (en) * 2011-11-10 2013-11-22 Renault Sas METHOD FOR MOUNTING A LOCK OF AN OPENER ON THE BODY OF A MOTOR VEHICLE
CN106285248A (en) * 2015-05-28 2017-01-04 长城汽车股份有限公司 A kind of lock hook assembly, lockable mechanism and automobile
CN109083912A (en) * 2018-09-04 2018-12-25 上海优易嘉机械设备有限公司 Screw, connection structure and attaching method thereof are protected in anticollision
DE102019102393A1 (en) * 2019-01-30 2020-07-30 Bayerische Motoren Werke Aktiengesellschaft Locking bracket for a motor vehicle body lock, motor vehicle body lock with such a locking bracket and correspondingly equipped motor vehicle
CN113400250B (en) * 2021-06-21 2023-05-02 呼伦贝尔安泰热电有限责任公司扎兰屯热电厂 Transmission shaft and backrest wheel separating device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5529356A (en) * 1994-05-25 1996-06-25 Atoma International Inc. Vehicle door striker with improved end portion
DE19645506B4 (en) * 1995-11-25 2016-09-08 Volkswagen Ag closing device
DE19732365B4 (en) * 1997-07-28 2006-03-23 Volkswagen Ag Lock bolt arrangement for a tailgate of a hatchback vehicle
FR2772820B1 (en) * 1997-12-22 2000-02-11 Valeo Systemes De Fermetures METHOD FOR ATTACHING A MOTOR VEHICLE LOCK STRIKE TO THE BODY, AND STRIKE SUB-ASSEMBLY FOR CARRYING OUT SAID METHOD

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DE60012467T2 (en) 2005-09-15
EP1113128A1 (en) 2001-07-04
DE60012467D1 (en) 2004-09-02
FR2803322A1 (en) 2001-07-06
FR2803322B1 (en) 2002-07-05

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