EP1717394B1 - Handle support for vehicule - Google Patents

Handle support for vehicule Download PDF

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Publication number
EP1717394B1
EP1717394B1 EP06112492A EP06112492A EP1717394B1 EP 1717394 B1 EP1717394 B1 EP 1717394B1 EP 06112492 A EP06112492 A EP 06112492A EP 06112492 A EP06112492 A EP 06112492A EP 1717394 B1 EP1717394 B1 EP 1717394B1
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EP
European Patent Office
Prior art keywords
support
handle
handle support
support according
opening
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EP06112492A
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German (de)
French (fr)
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EP1717394A2 (en
EP1717394A3 (en
Inventor
Cedric Frery
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Valeo SpA
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Valeo SpA
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Publication of EP1717394A2 publication Critical patent/EP1717394A2/en
Publication of EP1717394A3 publication Critical patent/EP1717394A3/en
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    • 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
    • E05B85/10—Handles
    • E05B85/14—Handles pivoted about an axis parallel to the wing
    • E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part

Definitions

  • the present invention relates to a handle support for an opening of a motor vehicle.
  • the present invention also relates to a door handle for a motor vehicle comprising such a support.
  • the gripping element is generally rotatably articulated in the support and allows via a return lever disposed on the support, by passing from its rest position to its position of use, on action of the user, the control of a lock mechanism to achieve the opening of the opening.
  • an object of the present invention is to provide a simple and economical solution to limit the detachment of the handle relative to the opening so as to avoid opening the door in case of crash.
  • the present invention also has particularly advantageous secondary characteristics which will be presented in the description which follows.
  • the gripping element 3 comprises a hinge element 5 through which the gripping element 3 is rotatably articulated in the support 4 as well as a control element 6 of a lock (not shown) via a return lever (not shown in this figure) disposed on the support 4.
  • the handle support 4 has a front portion 4a which comprises a hinge point 7 for connection with the gripping member 3, and a rear portion 4b, having a housing 8 for receiving, through an opening 9 of the panel 2 of 'opening, an outer member 10, for example, a lock which is secured to the support 4.
  • the handle 1 is presented with the gripping element 3 in the rest position before a possible shock.
  • the handle support 4 has a connection zone 11 between the front part 4a and 4b.
  • This connection zone 11 has special mechanical characteristics allowing, under certain conditions, a movement between the front parts 4a and 4b rear.
  • the two parts 4a and 4b of the support 4 are secured by a fastening system 12 by grooves 13a, notches 13b and pin 14, the pin 14 forming an axis pivoting P.
  • the grooves 13a of the connecting zone 11 are arranged on the part 4a and have a shape of "T" intended to be inserted in the notches 13b present on the part 4b.
  • This "T" shape of the grooves 13a makes it possible, by the choice of the material used, to precisely define the resistance of the grooves 13a of the fastening system 12 as a function of the mechanical stresses applied at the level of the connection zone.
  • the grooves 13a are susceptible to cracking and / or breaking when mechanical stresses beyond a given threshold are applied thereto.
  • the deformation generated by the body panel of the opening then exerts a force on the front portion 4a of the support which has the effect of concentrating the mechanical stresses at the connection zone 11 formed by the grooves 13a.
  • the pin 14 advantageously allows the two parts of the support 4a and 4b to remain attached.
  • the figure 5 shows a sectional view of a handle support according to the invention which has suffered a crash.
  • the various elements forming the entire kinematics of the handle being on the front portion 4a of the support: gripping portion, return lever and connection with the lock, during a crash, there is no relative movement of these different elements relative to each other nor with respect to the front portion 4a of the support so that the mechanism of the lock undergoes no drive.
  • the opening can not open accidentally.
  • the latch 10 meanwhile, is positioned at the rear portion 4b of the support 4 and does not move during the cracking of the support. It remains maintained in operative position in its housing 9 in part 4b of the handle support.
  • connection zone 11 between the parts 4a and 4b of the support 4 can break completely, resulting in a total separation of the front portions 4a and 4b of the support 4.
  • connection zone has a weakened local section, notably not the localized addition, in the support, at the level of the connection zone, of a substance which locally weakens the mechanical characteristics. of the support.
  • the support is also possible to design the support as a bi-material support, with a rear part made of a more rigid material than the front part.
  • the support may be made of plastic, formed of an alloy or a plastic-alloy combination.
  • connection by ball joint can be particularly advantageous in some architectures handles. This type of connection effectively allows complete separation of the front portions 4a and 4b rear support by dislocation of the patella
  • the handle according to the invention retains its full functionality after a crash and allows the opening of the door on the action of the user to an accident and the deformation of the door.
  • the invention therefore allows a complete adaptation of the handle to crash conditions while ensuring maximum safety for the user.

Abstract

The support (4) has a connection zone (11) between a front part (4a) and a rear part (4b) of the support. The front part has an articulation point for connecting the part with a gripping unit (3). The rear part has a housing intended to receive a bolt (10) by an opening of a door leaf panel. The zone has mechanical characteristics assuring relating movement of the front part and rear part follow up to the application of mechanical constrains on the support.

Description

La présente invention est relative à un support de poignée pour un ouvrant de véhicule automobile.The present invention relates to a handle support for an opening of a motor vehicle.

La présente invention est également relative à une poignée d'ouvrant pour véhicule automobile comprenant un tel support.The present invention also relates to a door handle for a motor vehicle comprising such a support.

De manière générale, une poignée, formant commande d'ouverture, d'un ouvrant se compose :

  • d'une poignée externe, appelée élément de préhension, manoeuvrable par un utilisateur entre une position de repos et une position d'utilisation, et
  • d'un module interne, appelé support de poignée ou étrier, disposé à l'intérieur du panneau de l'ouvrant et dans lequel est articulé l'élément de préhension.
In general, a handle, forming opening control, of an opening is composed of:
  • an external handle, called a gripping element, operable by a user between a rest position and a position of use, and
  • an internal module, called handle support or stirrup, disposed within the panel of the opening and in which is articulated the gripping element.

Ces deux éléments sont fixés de part et d'autre de l'ouvrant et coopèrent pour former une poignée actionnable par un utilisateur extérieur.These two elements are fixed on either side of the opening and cooperate to form a handle operable by an external user.

L'élément de préhension est généralement articulé de manière rotative dans le support et permet par l'intermédiaire d'un levier de renvoi disposé sur le support, par passage de sa position de repos à sa position d'utilisation, sur action de l'utilisateur, la commande d'un mécanisme de serrure pour réaliser l'ouverture de l'ouvrant.The gripping element is generally rotatably articulated in the support and allows via a return lever disposed on the support, by passing from its rest position to its position of use, on action of the user, the control of a lock mechanism to achieve the opening of the opening.

Le support de poignée comporte de façon habituelle :

  • une partie avant, orientée vers le centre de l'ouvrant et présentant le point d'articulation de l'élément de préhension, et
  • une partie arrière, proche du montant rigide de l'ouvrant, comportant un logement destiné à recevoir, par un orifice de l'ouvrant, un élément extérieur tel que, par exemple, un verrou ou un faux verrou, qui est ensuite fixé au support de poignée par des moyens connus.
The handle support comprises in the usual way:
  • a front part, oriented towards the center of the opening and having the point of articulation of the gripping element, and
  • a rear portion, close to the rigid amount of the opening, comprising a housing for receiving, through an orifice of the opening, an outer member such as, for example, a lock or a false lock, which is then attached to the support handle by known means.

Ceci est plus particulièrement le cas dans les poignées dites « poignées frigo » qui présentent un élément de préhension d'aspect longiligne orienté selon l'axe longitudinal du véhicule et qui peut être agrippé à pleine main par l'utilisateur.This is particularly the case in the so-called "fridge handles" which have an elongated aspect gripping element oriented along the longitudinal axis of the vehicle and which can be gripped by the user's hand.

En cas de crash latéral au niveau de telles poignées de véhicule, le côté du véhicule est percuté et dans de nombreux cas on constate l'ouverture de l'ouvrant.In the event of a side crash at such vehicle handles, the side the vehicle is hit and in many cases we see the opening of the opening.

Cette ouverture de l'ouvrant est due à deux effets cumulatifs :

  • un effet d'accélération sur l'élément de préhension due à l'inertie créée par le choc : L'élément de préhension passe de sa position de repos vers sa position d'utilisation sous l'effet de l'inertie et sa mise en mouvement actionne le mécanisme de commande de la serrure ce qui a pour conséquence que la portière du véhicule s'ouvre.
  • un effet dû à la force du choc qui se répercute de manière importante sur la partie avant du support alors que la partie arrière reste maintenue de manière rigide à proximité du montant de l'ouvrant. Cette différence entre l'effort subi par l'avant du support qui a alors tendance à se déplacer et le maintien rigide du support sur sa partie arrière génère une flexion entre ces deux parties de l'étrier. Cette flexion du support de poignée génère alors un décollement entre l'élément de préhension, le panneau de l'ouvrant et le support, qui étaient auparavant fixés de part et d'autre et en alignement avec le panneau de l'ouvrant. Ce décollement a alors pour effet de transmettre un mouvement à la serrure et d'ouvrir la portière du véhicule.
This opening of the opening is due to two cumulative effects:
  • an acceleration effect on the gripping element due to the inertia created by the shock: the gripping element moves from its rest position to its position of use under the effect of inertia and its implementation movement actuates the control mechanism of the lock which has the consequence that the door of the vehicle opens.
  • an effect due to the force of the shock which has a significant effect on the front portion of the support while the rear portion remains rigidly close to the amount of the opening. This difference between the force exerted by the front of the support which then tends to move and the rigid support of the support on its rear part generates a bending between these two parts of the stirrup. This bending of the handle support then generates a detachment between the gripping element, the opening panel and the support, which were previously fixed on either side and in alignment with the panel of the opening. This separation then has the effect of transmitting a movement to the lock and opening the door of the vehicle.

Pour contrecarrer l'accélération subie par l'élément de préhension, des systèmes dits « systèmes inertiels » ont été conçus pour retenir l'élément de préhension en position de non utilisation en cas de crash. De tels systèmes sont notamment connus des documents DE 199 29 022 , EP 1 050 640 et EP 1 026 349 A .To counteract the acceleration experienced by the gripping element, so-called "inertial systems" have been designed to hold the gripping element in the non-use position in case of a crash. Such systems are notably known from the documents DE 199 29 022 , EP 1 050 640 and EP 1 026 349 A .

Pour contrer le problème lié à la flexion du module support en cas de choc il est possible de rigidifier le support de poignée en utilisant des matériaux à rigidité élevée (masse volumique importante) ou en augmentant les sections du support. Dans ce cas, le support devient lourd, volumineux et plus coûteux à produire.To counter the problem of bending the support module in case of impact it is possible to stiffen the handle support using materials with high rigidity (high density) or by increasing the sections of the support. In this case, the medium becomes heavy, bulky and more expensive to produce.

Pour les raisons évoquées précédemment, un but de la présente invention est de proposer une solution simple et économique permettant de limiter le décollement de la poignée par rapport à l'ouvrant de façon à éviter une ouverture de la portière en cas de crash.For the reasons mentioned above, an object of the present invention is to provide a simple and economical solution to limit the detachment of the handle relative to the opening so as to avoid opening the door in case of crash.

Ce but est atteint selon la présente invention qui propose un support de poignée tel que revendiqué dans la revendication 1.This object is achieved according to the present invention which provides a handle support as claimed in claim 1.

La présente invention présente également des caractéristiques secondaires particulièrement avantageuses qui seront présentées dans la description qui suit.The present invention also has particularly advantageous secondary characteristics which will be presented in the description which follows.

L'invention sera mieux comprise au cours de la description explicative détaillée d'exemples non limitatifs faisant référence aux figures annexées qui représentent :

  • Figure 1, une vue schématique en perspective éclatée d'une poignée d'ouvrant selon l'art antérieur comportant un support agencé du côté interne du panneau de l'ouvrant et un élément de préhension agencé du côté externe du panneau ;
  • Figure 2, une vue schématique en coupe selon un plan longitudinal et transversal de la poignée selon l'art antérieur assemblée dans la position de repos ;
  • Figure 3, une vue schématique en coupe selon un plan longitudinal et transversal d'une poignée en position de repos présentant un support selon l'invention dans les conditions normales d'utilisation ;
  • Figure 4, une vue détaillée de la partie avant du support au niveau de la zone de liaison ;
  • Figure 5, une vue schématique en coupe selon un plan longitudinal et transversal d'une poignée en position de repos présentant un support selon l'invention suite à un crash ;
  • Figure 6, une vue schématique en coupe selon un plan longitudinal et transversal d'une poignée en position d'utilisation présentant un support selon l'invention suite à un crash ;
  • Figure 7, une vue détaillée de la zone de liaison du support de poignée après fissuration ;
  • Figure 8a et 8b, des vues détaillées des parties avant et arrière du support de poignée après séparation complète desdites parties.
The invention will be better understood during the detailed explanatory description of nonlimiting examples with reference to the appended figures which represent:
  • Figure 1 , a schematic perspective exploded view of a sash handle according to the prior art comprising a support arranged on the inner side of the panel of the opening and a gripping element arranged on the outer side of the panel;
  • Figure 2 , a schematic sectional view along a longitudinal and transverse plane of the handle according to the prior art assembled in the rest position;
  • Figure 3 , a schematic sectional view along a longitudinal and transverse plane of a handle in the rest position having a support according to the invention under normal conditions of use;
  • Figure 4 a detailed view of the front part of the support at the connection area;
  • Figure 5 , a schematic sectional view along a longitudinal and transverse plane of a handle in the rest position having a support according to the invention following a crash;
  • Figure 6 , a schematic sectional view along a longitudinal and transverse plane of a handle in use position having a support according to the invention following a crash;
  • Figure 7 a detailed view of the connection area of the handle support after cracking;
  • Figure 8a and 8b , detailed views of the front and rear portions of the handle support after complete separation of said parts.

Dans la présente demande, les références portant sur des éléments identiques sont indiquées avec les mêmes numéros.In the present application, references relating to identical elements are indicated with the same numbers.

Les figures 1 et 2 seront décrites conjointement et représentent une poignée 1 respectivement, en vue éclatée et en coupe en position de repos, disposée sur un panneau 2 d'ouvrant de véhicule selon l'art antérieur.The Figures 1 and 2 will be described together and represent a handle 1 respectively, in exploded view and in section in the rest position, disposed on a panel 2 of the vehicle opening according to the prior art.

Comme précédemment exposé, la poignée 1 comporte un élément de préhension 3 externe, manoeuvrable par un utilisateur entre une position de repos et une position d'utilisation, et un support de poignée 4, disposé à l'intérieur du panneau 2 de l'ouvrant et dans lequel est articulé l'élément de préhension 1.As previously explained, the handle 1 comprises an external gripping member 3, operable by a user between a rest position and a position of use, and a handle support 4, disposed inside the panel 2 of the opening and in which is articulated the gripping element 1.

Ces deux éléments sont fixés de part et d'autre du panneau 2 l'ouvrant et coopèrent pour former une poignée actionnable par un utilisateur extérieur.These two elements are fixed on both sides of the panel 2 opening and cooperate to form a handle operable by an external user.

L'élément de préhension 3 comporte un élément de charnière 5 par lequel l'élément de préhension 3 est articulé de manière rotative dans le support 4 ainsi qu'un élément de commande 6 d'une serrure (non représentée) par l'intermédiaire d'un levier de renvoi (non représenté sur cette figure) disposé sur le support 4.The gripping element 3 comprises a hinge element 5 through which the gripping element 3 is rotatably articulated in the support 4 as well as a control element 6 of a lock (not shown) via a return lever (not shown in this figure) disposed on the support 4.

Le support de poignée 4 présente une partie avant 4a qui comprend un point d'articulation 7 pour liaison avec l'élément de préhension 3, et une partie arrière 4b, comportant un logement 8 destiné à recevoir, par un orifice 9 du panneau 2 d'ouvrant, un élément extérieur 10, par exemple, un verrou qui est rendu solidaire du support 4.The handle support 4 has a front portion 4a which comprises a hinge point 7 for connection with the gripping member 3, and a rear portion 4b, having a housing 8 for receiving, through an opening 9 of the panel 2 of 'opening, an outer member 10, for example, a lock which is secured to the support 4.

On a représenté à la figure 3 une vue en coupe d'une poignée pourvu d'un support de poignée selon l'invention. La figure 4 présentant un détail agrandi du système de fixation du support selon l'invention sera décrite conjointement avec la figure 3.We have shown figure 3 a sectional view of a handle provided with a handle support according to the invention. The figure 4 showing an enlarged detail of the support fixing system according to the invention will be described together with the figure 3 .

La poignée 1 est présentée avec l'élément de préhension 3 en position de repos avant un éventuel choc.The handle 1 is presented with the gripping element 3 in the rest position before a possible shock.

La poignée 1 des figures 3 et 4 reprend avec les mêmes références les éléments déjà présentés dans les figures précédemment décrites.Handle 1 Figures 3 and 4 resumes with the same references the elements already presented in the previously described figures.

Selon l'invention, le support de poignée 4 présente une zone de liaison 11 entre la partie avant 4a et 4b. Cette zone de liaison 11 possède des caractéristiques mécaniques particulières permettant, dans certaines conditions, un mouvement entre les parties avant 4a et arrières 4b.According to the invention, the handle support 4 has a connection zone 11 between the front part 4a and 4b. This connection zone 11 has special mechanical characteristics allowing, under certain conditions, a movement between the front parts 4a and 4b rear.

Dans l'exemple présenté et selon un mode de réalisation possible de l'invention, les deux parties 4a et 4b du support 4 sont solidaires par un système de fixation 12 par rainures 13a, encoches 13b et goupille 14, la goupille 14 formant un axe de pivotement P.In the example shown and according to a possible embodiment of the invention, the two parts 4a and 4b of the support 4 are secured by a fastening system 12 by grooves 13a, notches 13b and pin 14, the pin 14 forming an axis pivoting P.

De préférence, et comme visible de manière agrandie sur la figure 4, les rainures 13a de la zone de liaison 11 sont disposées sur la partie 4a et présentent un forme de « T » destinée à s'insérer dans les encoches 13b présentes sur la partie 4b.Preferably, and as seen enlarged on the figure 4 , the grooves 13a of the connecting zone 11 are arranged on the part 4a and have a shape of "T" intended to be inserted in the notches 13b present on the part 4b.

On prévoit généralement de positionner les rainures 13a sur la partie avant 4a du support et les encoches 13b sur la partie arrière 4b du support mais il est possible de prévoir l'inverseIt is generally expected to position the grooves 13a on the front portion 4a of the support and the notches 13b on the rear portion 4b of the support but it is possible to provide the opposite

Lors de l'application de contraintes mécaniques importantes sur le support 4, il y a concentration des tensions au niveau des rainures 13a de la partie 4a. Ces rainures 13a se rompent longitudinalement sous l'effet de ces contraintes et provoquent une fissuration du support 4 au niveau de la zone de liaison 11 entre les parties 4a et 4b du support.When applying significant mechanical stresses on the support 4, there is concentration of the voltages at the grooves 13a of the part 4a. These grooves 13a break longitudinally under the effect of these stresses and cause cracking of the support 4 at the connection zone 11 between the parts 4a and 4b of the support.

Cette forme en « T » des rainures 13a permet, par le choix du matériau utilisé, de définir précisément la tenue des rainures 13a du système de fixation 12 en fonction des contraintes mécaniques appliquées au niveau de la zone de liaisonThis "T" shape of the grooves 13a makes it possible, by the choice of the material used, to precisely define the resistance of the grooves 13a of the fastening system 12 as a function of the mechanical stresses applied at the level of the connection zone.

Ainsi, de part leur conception, les rainures 13a sont donc susceptibles de subir une fissuration et/ou une rupture lorsque des contraintes mécaniques situées au-delà d'un seuil donné leur sont appliquées.Thus, because of their design, the grooves 13a are susceptible to cracking and / or breaking when mechanical stresses beyond a given threshold are applied thereto.

Comme visible sur la figure 3, en cas de crash, une force F est appliquée sur le support ou un déplacement du support est imposé par la déformation du panneau de l'ouvrant.As visible on the figure 3 in case of a crash, a force F is applied to the support or a displacement of the support is imposed by the deformation of the panel of the opening.

La déformation engendrée par le panneau de carrosserie de l'ouvrant exerce alors un effort sur la partie avant 4a du support qui a pour effet de concentrer les contraintes mécaniques au niveau de la zone de liaison 11 formée des rainures 13a.The deformation generated by the body panel of the opening then exerts a force on the front portion 4a of the support which has the effect of concentrating the mechanical stresses at the connection zone 11 formed by the grooves 13a.

Lorsque la force subie par le support 4 au niveau de la zone de liaison 11 est supérieure à une valeur donnée, par exemple 100N, les rainures 13a assurant la fixation des parties 4a et 4b du support se rompent.When the force experienced by the support 4 at the connection zone 11 is greater than a given value, for example 100N, the grooves 13a for fixing the parts 4a and 4b of the support are broken.

Suite à la fissuration et/ou à la rupture des rainures 13a, les parties avant 4a et arrière 4b sont susceptibles de bouger l'une par rapport à l'autre par un mouvement de pivotement, autour de l'axe P formé par la goupille 14, tout en restant maintenues par la goupille 14.Following the cracking and / or breaking of the grooves 13a, the front portions 4a and 4b rear are likely to move relative to each other by a pivoting movement around the axis P formed by the pin 14, while remaining held by the pin 14.

La goupille 14 permet avantageusement aux deux parties du support 4a et 4b de rester solidaires.The pin 14 advantageously allows the two parts of the support 4a and 4b to remain attached.

La figure 5 présente une vue en coupe d'un support de poignée selon l'invention qui a subi un crash.The figure 5 shows a sectional view of a handle support according to the invention which has suffered a crash.

On voit que suite au crash, les parties avant 4a et arrière 4b du support de poignée 4 ont pivoté l'une par rapport à l'autre autour de l'axe de pivotement P défini par la goupille 14. En effet, suite à l'application d'une force, lors de la déformation de la tôle de l'ouvrant, d'une valeur supérieure au seuil défini, les rainures 13a se sont rompues et il y a un mouvement de pivotement des parties avant 4a et arrières 4b autour de l'axe P.It can be seen that following the crash, the front parts 4a and 4b of the handle support 4 have pivoted relative to each other about the pivot axis P defined by the pin 14. In fact, following the application of a force, during the deformation of the sheet of the opening, a value greater than the threshold defined, the grooves 13a have broken and there is a pivoting movement of the front portions 4a and 4b around of the P axis

Lors de la fissuration du support 4 au niveau de la zone de liaison 11, l'élément de préhension 3 est resté en position de repos. Ainsi, malgré la fissuration du support 4 et la position respective des parties avant 4a et arrière 4b du support 4, aucune contrainte n'est appliquée à l'élément de préhension 3 de sorte qu'aucune action n'est exercée sur le mécanisme de serrure et la portière de l'ouvrant demeure en position fermée.During the cracking of the support 4 at the connection zone 11, the gripping element 3 remained in the rest position. Thus, despite the cracking of the support 4 and the respective position of the front portions 4a and 4b of the support 4, no stress is applied to the gripping element 3 so that no action is exerted on the mechanism of lock and the door of the opening remains in closed position.

En effet, les différents éléments formant l'ensemble de la cinématique de la poignée se trouvant sur la partie avant 4a du support : partie de préhension, levier de renvoi et liaison avec la serrure, lors d'un crash, il n'y a pas de mouvement relatif de ces différents éléments les uns par rapport aux autres ni par rapport à la partie avant 4a du support de sorte que le mécanisme de la serrure ne subi aucun entraînement. L'ouvrant ne peut donc pas s'ouvrir de façon accidentelle.Indeed, the various elements forming the entire kinematics of the handle being on the front portion 4a of the support: gripping portion, return lever and connection with the lock, during a crash, there is no relative movement of these different elements relative to each other nor with respect to the front portion 4a of the support so that the mechanism of the lock undergoes no drive. The opening can not open accidentally.

Le verrou 10, quant à lui, est positionné au niveau de la partie arrière 4b du support 4 et ne bouge pas lors de la fissuration du support. Il reste maintenu en position opérationnelle dans son logement 9 dans la partie 4b du support de poignée.The latch 10, meanwhile, is positioned at the rear portion 4b of the support 4 and does not move during the cracking of the support. It remains maintained in operative position in its housing 9 in part 4b of the handle support.

Comme on le constate sur la figure 6 qui représente la poignée de la figure 5 en position d'utilisation, l'ensemble de la cinématique nécessaire à l'actionnement du mécanisme de serrure reste totalement opérationnel car aucune déformations et/ou contraintes n'ont été appliquées sur les différents éléments formant la cinématique de la poignée lors du crash puisque celles-ci ont été concentrées et absorbées par le système de fixation 12 et les rainures 13a du support 4.As we see on the figure 6 which represents the handle of the figure 5 in the use position, all the kinematics necessary for the actuation of the lock mechanism remains fully operational because no deformations and / or stresses have been applied to the various elements forming the kinematics of the handle during the crash since these were concentrated and absorbed by the fixing system 12 and the grooves 13a of the support 4.

De manière particulièrement avantageuse, il est donc tout à fait possible, pour un utilisateur, d'agripper l'élément de préhension 3 pour mettre en mouvement le levier de renvoi 15 et commander le mécanisme de serrure, par l'intermédiaire de l'élément de commande 6, en vu de l'ouverture de la portière du véhicule.Particularly advantageously, it is therefore quite possible for a user to grip the gripping element 3 to move the return lever 15 and to control the lock mechanism, via the element 6, in view of the opening of the vehicle door.

Ceci est particulièrement rassurant pour l'utilisateur car lorsque la portière est déformée en cas d'accident, il a toujours la possibilité d'ouvrir sa portière pour sortir de son véhicule ce qui n'est pas toujours le cas avec les poignées conventionnelles.This is particularly reassuring for the user because when the door is deformed in case of accident, it is always possible to open the door to get out of the vehicle, which is not always the case with conventional handles.

La figure 7 présente une vue détaillée de la zone de liaison 11 du support 4 de poignée après fissuration de celui-ci suite à un crash. On constate sur cette figure, que la paroi de l'ouvrant a subi une déformation locale qui a généré une fissuration au niveau de la zone de liaison 11 des parties avant 4a et arrière 4b du support 4 comme expliqué précédemment.The figure 7 shows a detailed view of the connection zone 11 of the handle support 4 after cracking thereof after a crash. It can be seen from this figure that the wall of the opening has undergone local deformation which has generated cracking at the connection zone 11 of the front portions 4a and 4b of the support 4 as previously explained.

Selon un mode de réalisation possible de l'invention, représenté aux figures 8a et 8b, la zone de liaison 11 entres les parties 4a et 4b du support 4 peut se rompre totalement aboutissant à une séparation totale des parties avant 4a et arrière 4b du support 4.According to one possible embodiment of the invention, shown in Figures 8a and 8b , the connection zone 11 between the parts 4a and 4b of the support 4 can break completely, resulting in a total separation of the front portions 4a and 4b of the support 4.

Sur la figure 8a, on visualise la partie avant 4a du support et sur la figure 8b, la partie arrière 4b du support.On the figure 8a , we visualize the front part 4a of the support and on the figure 8b , the rear part 4b of the support.

Ces deux parties sont reliées par un système de fixation 12 par rainures 13a et encoches 13b qui, lorsque les rainures 13a se rompent, aboutit à une rupture totale des parties avant 4a et arrière 4b du support, ces parties restant bien entendu fixées chacune de manière indépendante à l'ouvrant.These two parts are connected by a fastening system 12 by grooves 13a and notches 13b which, when the grooves 13a break, results in a complete break of the front portions 4a and 4b rear support, these parts of course remaining fixed each of independent to the opening.

La conception d'un étrier de poignée ne cherchant plus à résister à l'effort du crash mais orientant ces effets vers une zone sans conséquence sur l'ouverture de la porte est un avantage indéniable de la présente invention qui permet de conserver toutes les fonctionnalités liées à l'ouverture de l'ouvrant et à l'actionnement du mécanisme de serrure.The design of a handle caliper no longer seeking to withstand the effort of the crash but directing these effects to a zone without consequences on the opening of the door is an undeniable advantage of the present invention that allows to retain all the features related to the opening of the opening and the actuation of the lock mechanism.

De manière avantageuse, cette caractéristique permet, en répondant à la contrainte de rigidité du support en cas de crash latéral, de réduire la masse du support.Advantageously, this characteristic makes it possible, by responding to the rigidity stress of the support in the event of a lateral crash, to reduce the mass of the support.

Selon un mode de réalisation possible de l'invention, la zone de liaison présente une section locale fragilisée, notamment pas l'adjonction localisée, dans le support, au niveau même de la zone de liaison, d'une substance fragilisant localement les caractéristiques mécaniques du support.According to one possible embodiment of the invention, the connection zone has a weakened local section, notably not the localized addition, in the support, at the level of the connection zone, of a substance which locally weakens the mechanical characteristics. of the support.

De manière générale, le support de poignée est réalisé en matière plastique et l'adjonction locale lors de l'injection du support d'une matière fragilisant la matière plastique pourra être réalisée.In general, the handle support is made of plastic and the local addition during the injection of the support of a material weakening the plastic material may be performed.

Il est également possible de concevoir le support comme un support bi matière, avec une partie arrière réalisée dans un matériau plus rigide que la partie avant. Par exemple, une partie arrière en matière métallique et une partie avant en matière plastique. Ainsi, le support pourra être en matière plastique, formé d'un alliage ou encore d'une combinaison plastique - alliage.It is also possible to design the support as a bi-material support, with a rear part made of a more rigid material than the front part. For example, a rear part made of metallic material and a front part made of plastic material. Thus, the support may be made of plastic, formed of an alloy or a plastic-alloy combination.

Comme présenté, différents choix de liaison sont possibles, une liaison par rotule peut être particulièrement avantageuse dans certaines architectures de poignées. Ce type de liaison permet effectivement une séparation complète des parties avant 4a et arrière 4b du support par déboîtement de la rotuleAs presented, various connection choices are possible, a connection by ball joint can be particularly advantageous in some architectures handles. This type of connection effectively allows complete separation of the front portions 4a and 4b rear support by dislocation of the patella

Ainsi, grâce à l'invention, on a réalisé une poignée dans laquelle la commande du mécanisme de serrure n'est pas actionnée lors du crash.Thus, thanks to the invention, a handle has been made in which the control of the lock mechanism is not actuated during the crash.

De manière particulièrement avantageuse, la poignée selon l'invention conserve entièrement sa fonctionnalité après un crash et permet l'ouverture de la portière sur action de l'utilisateur à un accident et à la déformation de la portière.Particularly advantageously, the handle according to the invention retains its full functionality after a crash and allows the opening of the door on the action of the user to an accident and the deformation of the door.

L'invention permet donc une complète adaptation de la poignée aux conditions de crash tout en assurant un maximum de sécurité pour l'utilisateur. The invention therefore allows a complete adaptation of the handle to crash conditions while ensuring maximum safety for the user.

Claims (13)

  1. Handle support (4) designed to be fixed on the inner face of a door1 and in which a gripping element (3) can be attached hinged so as to be free in rotation, and when activated, controls a lock, said support comprising a front part (4a) comprising the connection to be made to the gripping element (3), a back part (4b) characterised in that the support (4) has a connecting zone (11) located between the front part (4a) and the back part (4b) of said support and for which the mechanical characteristics allow a relative movement of the front and back parts following application of mechanical stresses beyond a given threshold.
  2. Handle support according to claim 1, characterised in that the connecting zone (11) is a zone in which the local section is weakened.
  3. Handle support according to claim 2, characterised in that the local section is weakened by a reduction of its dimensions.
  4. Handle support according to claim 2, characterised in that the local section is weakened by the local addition of at least one substance weakening the support.
  5. Handle support according to any one of claims 1 to 4, characterised in that the relative movement of the front part (4a) and the back part (4b) occurs due to cracking of the support (4) between said front and back parts.
  6. Handle support according to any one of claims 1 to 4, characterised in that the relative movement of the front part (4a) and back part (4b) is a local breakage of the support (4) between said front and back parts.
  7. Handle support according to any one of claims 1 to 6, characterised in that the front part (4a) and the back part (4b) of the support (4) are connected by a groove type connection (13a) and notches (13b).
  8. Handle support according to any one of claims 1 to 7, characterised in that the front part (4a) and the back part (4b) of the support (4) are connected by a pin (14).
  9. Handle support according to claim 1, characterised in that the front part (4a) and the back part (4b) of the support (4) are connected through a ball joint type connection.
  10. Handle support according to claim 9, characterised in that the relative movement of the front and back parts is a separation of the front and back parts of the support by disengagement between said parts.
  11. Handle support according to claim 1, characterised in that the connecting zone is a zone with elastic properties.
  12. Handle support according to any one of the previous claims, characterised in that it is made of a plastic material, an alloy or a combination of the two.
  13. Door handle, particularly for an automobile vehicle, characterised in that it comprises a handle support (4) as claimed in claims 1 to 12.
EP06112492A 2005-04-18 2006-04-11 Handle support for vehicule Active EP1717394B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000684A ITMI20050684A1 (en) 2005-04-18 2005-04-18 HANDLE SUPPORT FOR MOTOR VEHICLES

Publications (3)

Publication Number Publication Date
EP1717394A2 EP1717394A2 (en) 2006-11-02
EP1717394A3 EP1717394A3 (en) 2008-03-05
EP1717394B1 true EP1717394B1 (en) 2009-02-11

Family

ID=36370830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06112492A Active EP1717394B1 (en) 2005-04-18 2006-04-11 Handle support for vehicule

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Country Link
EP (1) EP1717394B1 (en)
AT (1) ATE422592T1 (en)
DE (1) DE602006005094D1 (en)
ES (1) ES2320261T3 (en)
IT (1) ITMI20050684A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008011754A1 (en) * 2008-02-28 2009-09-03 Volkswagen Ag Outer handle for motor vehicle door, has protective element arranged at inner side of door outer panel and controlling effect of mechanical forces on inner-lying part during crash due to deformation of surrounding vehicle component
IT1392669B1 (en) * 2008-12-22 2012-03-16 Valeo Spa COMMAND BRACKET FOR THE OPENING OF A VEHICLE DOOR

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524568C2 (en) * 1995-06-02 1999-10-14 Kiekert Ag Motor vehicle door lock with pull handle
FR2789426B1 (en) * 1999-02-05 2001-06-15 Valeo Securite Habitacle MOTOR VEHICLE OPENING HANDLE
IT1309803B1 (en) * 1999-05-07 2002-01-30 Valeo Sicurezza Abitacolo Spa HANDLE FOR A VEHICLE DOOR
DE19929022C2 (en) * 1999-06-25 2001-06-07 Huf Huelsbeck & Fuerst Gmbh Outside door handle, in particular for vehicles
FR2802563B1 (en) * 1999-12-21 2002-02-15 Valeo Securite Habitacle MOTOR VEHICLE OPENING HANDLE COMPRISING AN INDEXING DEVICE IN THE REST POSITION

Also Published As

Publication number Publication date
DE602006005094D1 (en) 2009-03-26
EP1717394A2 (en) 2006-11-02
ITMI20050684A1 (en) 2006-10-19
ES2320261T3 (en) 2009-05-20
ATE422592T1 (en) 2009-02-15
EP1717394A3 (en) 2008-03-05

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