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EP2640915B1 - Automobile handle having a blocking inertial body actuated by a counterweight - Google Patents

Automobile handle having a blocking inertial body actuated by a counterweight Download PDF

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Publication number
EP2640915B1
EP2640915B1 EP11781558.9A EP11781558A EP2640915B1 EP 2640915 B1 EP2640915 B1 EP 2640915B1 EP 11781558 A EP11781558 A EP 11781558A EP 2640915 B1 EP2640915 B1 EP 2640915B1
Authority
EP
European Patent Office
Prior art keywords
counterweight
transmission lever
handle
blocking member
blocking
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.)
Active
Application number
EP11781558.9A
Other languages
German (de)
French (fr)
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EP2640915A1 (en
Inventor
Guillaume Lesueur
Simone Ilardo
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.)
Minebea AccessSolutions Italia SpA
Original Assignee
U Shin Italia SpA
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by U Shin Italia SpA filed Critical U Shin Italia SpA
Publication of EP2640915A1 publication Critical patent/EP2640915A1/en
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Publication of EP2640915B1 publication Critical patent/EP2640915B1/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
    • E05B85/10—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
    • 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
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • E05B77/06—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision by means of inertial forces

Definitions

  • the invention relates to a door opening control handle, trunk or tailgate of a motor vehicle, provided with a counterweight adapted to oppose inertial forces applying to a grip portion of the handle in case of shock.
  • the counterweights oppose or slow down an opening movement of the handle in the case of a force of inertia on the gripping portion of the handle which is directed towards the outside of the vehicle, that is to say in the case of a force of inertia occurring logically in the case of a shock on the outer face of the opening considered.
  • a first incoming steering inertia force releases the counterweight of the transmission lever and when a second inertia force appears in opposite direction, the counterweight is no longer in a position to cooperate immediately with the transmission lever since the transmission lever is voluntarily released from the counterweight.
  • the transmission lever then moves freely under the effect of the outgoing inertia of the gripping portion, thus causing the opening of the vehicle door.
  • inertial blocking mass that can move rapidly until it locks the transmission lever when an outgoing inertia force appears.
  • inertial blocking masses need a slowing effect of the shifting the transmission lever in case of shock to move faster than the transmission lever and engage the latter in time before it actuates the opening of the opening.
  • the counterweight positioned in free movement after a first inertial force entering, is no longer able to fulfill its role of slowing the transmission lever, which is therefore susceptible of a fast movement and then to escape the blocking arrival of the inertial mass.
  • the invention aims to provide an answer to this problem.
  • a preferred embodiment of the invention comprises a gripping portion 10, here of elongated shape and rotatable about a vertical axis to the vehicle, according to the name "handle fridge".
  • This gripping portion 10 is provided at its front end with a hinge arm 11 which is engaged on a frame or stirrup which is known per se and not shown.
  • the gripping portion 10 is provided at its rear end with a foot 12 which enters the frame to come cooperate with a transmission lever 20 which is rotatably mounted about a fixed axis 30 fixed on the frame.
  • the transmission lever 20 is rotated and in turn drives a not shown cable, which is connected to a closing lock of the door.
  • the gripping portion 10 drives with its foot 12 the transmission lever 20 which in turn drives the actuating cable of the lock thus controlling the door. opening of the door.
  • the handle is further provided with a counterweight 40 in the form of an arm rotatably mounted about the same axis 30 as the transmission lever.
  • the counterweight 40 has at its free end a heavy appendage 41 extending along the length of the handle to gain a volume and a sufficient mass to make it particularly sensitive to the forces of inertia applied to the handle.
  • a coil spring is wound around the axis 30 and is supported on the counterweight to return it to the outside of the vehicle until the counterweight bears in rotation against the transmission lever.
  • the transmission lever 20 is thus returned towards the inside of the vehicle under the effect of the spring and via the counterweight 40.
  • the handle further has an inertial locking mass 50 in the form of a rocker rotatably mounted with elastic return around a vertical axis of the frame of the handle.
  • This rocker has two elongate arms and longitudinal 51 and 52 extending on either side of the axis of rotation, one towards the front of the handle, the other towards the rear of the handle.
  • the front arm 51 of the inertial mass 50 carries an end 53 which is enlarged to form a flyweight sensitive to inertia forces.
  • the rear arm 52 of the inertial mass constitutes a locking pin 54 intended to engage the transmission lever 20 when the inertial mass is tilted under the effect of the inertia.
  • the transmission lever 20 forms for this purpose a lug 21 extending radially to the axis of rotation 30 and the finger 54 is housed in front of the rotary stroke of this lug 21 when the inertial mass 50 is activated .
  • the figure 2 represents the handle in rest configuration. In this configuration, the locking pin 54 is radially erased relative to the rotational movement of the lug 21.
  • the counterweight 40 carries a metal blade 42 fixed substantially at mid-length of the rotating arm formed by the counterweight, and the blade 42 has a substantially circular quarter-circle shape about the axis 30, thus including a quarter circulation zone. disc in which are the pin 21 and the locking pin 54.
  • the finger 54 abuts against a face facing the axis 30 of the blade 42 internal to the previously described circulation zone. More specifically, the finger 54 abuts against a portion 42a of the blade which is sufficiently radially away from the axis 30 so that the locking finger is, as previously described, removed from the stroke of the pin 21.
  • the transmission lever and the counterweight substantially describe an eighth of a turn, and the lug 21 describes an angle alpha before crossing the angular location of the locking finger.
  • the portion 42a extends at constant radial distance from the axis 30 over an angular extent at least equal to the angle alpha, so that the locking pin 54 remains in abutment against the portion 42a radially erased relative to the 21, until the lug 21 has crossed the angular position of the finger 54.
  • the finger 54 comes to press against the transmission lever in front of the pin 21 so that the rotation of the transmission lever 20 is prohibited by the abutment of the lug 21 against the finger 54.
  • the lug 21 thus forms a rotary abutment meeting the finger 54 in case of outgoing inertia force.
  • shock counterweight 40 produces a slowing of the movement of the transmission lever 20 by balancing the inertia of the gripping portion to allow the finger 54 to reach the pin 21 before the force of inertia exerted on the gripping portion does not cause the transmission lever 20 outside the grip of the finger 54.
  • the set is then in the configuration shown in FIG. figure 3 .
  • the handle is subjected to an inertial force directed towards the inside of the vehicle, following a first inertial force directed towards the outside as previously described, or as the first inertial force applied to the handle.
  • the counterweight 40 then moves towards the inside of the vehicle, thus becoming disconnected from the transmission lever 20 in rotation around the axis 30.
  • the counterweight is then no longer able to apply a balancing force to the lever 20 in case of change of direction of the inertia force again towards the outside of the vehicle.
  • the inertial mass 50 moves its blocking finger 54 towards the outside of the vehicle, at a distance from the axis 30, until it bears against the inner face of the blade metal 42.
  • the inner face of the metal blade then slides against the locking finger 54 while the counterweight 40 pivots in release vis-à-vis the transmission lever 20.
  • the profile of the metal blade 42 is radially closer to the axis 30 when one traverses this profile in the sliding direction of the finger 54 during the rotation in release of the counterweight 40.
  • the blade 42 forms a profile. two portions, one 42a previously described having a significant radial distance, the other 42b consecutive approximating the axis 30.
  • the portion 42b of the metal blade forms a boss 42c in the direction of radial approximation of the axis 30 so that when this boss 42c approaches the locking pin 54, the boss 42c brings the locking pin closer to the axis 30.
  • the gripping portion and the transmission lever remain in the rest position since both have a conformation such that most of their mass is retracted into the vehicle interior. in the rest configuration of the handle.
  • the lug 21, integral with the transmission lever 21, remains in the rest position under the effect of this same inertial force reentrant.
  • the blocking finger 54 brought closer to the axis 30 by the portion 42b thus comes to be housed near the pin 21, already on the stroke of the latter in the case of a subsequent displacement of the transmission lever, almost in abutment against the transmission lever 20 in front of the lug 21.
  • the appearance of the outgoing inertia force causes the blocking finger to move on the path remaining to the latter in order to be entirely in front of the rotary stop constituted by the lug 21.
  • the profile carried by the counterweight comes to position the blocking finger partially or completely on the travel of the rotary stop of the transmission lever. It is enough that the profile of the blade 42 pre-positions the locking pin 54 closely to the rotary stop 21 at a distance sufficient for a change of direction of the inertia force causes a setting in the locking position of the finger 54 before a premature displacement of the transmission lever 20 then devoid of the slowing effect of the counterweight.

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  • Lock And Its Accessories (AREA)

Description

L'invention concerne une poignée de commande d'ouverture de porte, de coffre ou de hayon de véhicule automobile, munie d'un contrepoids apte à s'opposer à des forces d'inertie s'appliquant sur une partie de préhension de la poignée en cas de choc.The invention relates to a door opening control handle, trunk or tailgate of a motor vehicle, provided with a counterweight adapted to oppose inertial forces applying to a grip portion of the handle in case of shock.

Les contrepoids s'opposent ou ralentissent un mouvement d'ouverture de la poignée dans le cas d'une force d'inertie sur la partie de préhension de la poignée qui soit dirigée vers l'extérieur du véhicule, c'est-à-dire dans le cas d'une force d'inertie apparaissant logiquement dans le cas d'un choc sur la face externe de l'ouvrant considéré.The counterweights oppose or slow down an opening movement of the handle in the case of a force of inertia on the gripping portion of the handle which is directed towards the outside of the vehicle, that is to say in the case of a force of inertia occurring logically in the case of a shock on the outer face of the opening considered.

Par contre, dans le cas d'une force d'inertie dirigée vers l'intérieur du véhicule, le contrepoids aurait tendance à actionner la poignée dans le sens d'une commande d'ouverture, ce qui n'est pas souhaitable.On the other hand, in the case of an inertial force directed towards the interior of the vehicle, the counterweight would tend to actuate the handle in the sense of an opening command, which is undesirable.

Afin d'éviter ce phénomène, on a proposé de monter un contrepoids sur un levier de transmission de la poignée, lequel contrepoids est en appui solidaire sur le levier de transmission dans le cas d'une force d'inertie de direction sortante, mais lequel ait une liberté de mouvement relatif au levier de transmission dans le cas d'une force d'inertie dirigée de manière entrante au véhicule. Ainsi, un mouvement du contrepoids par inertie vers l'intérieur du véhicule occasionne uniquement le mouvement du contrepoids lui-même, sans effet sur le levier de transmission.In order to avoid this phenomenon, it has been proposed to mount a counterweight on a transmission lever of the handle, which counterweight is integrally supported on the transmission lever in the case of an outward steering inertia force, but which has a freedom of movement relative to the transmission lever in the case of an inertia force directed inbound to the vehicle. Thus, a movement of the counterweight by inertia towards the interior of the vehicle causes only the movement of the counterweight itself, without effect on the transmission lever.

Un problème se pose encore avec ce type de dispositif dans le cas d'un choc sur le véhicule occasionnant l'apparition d'une succession de forces d'inerties dirigées successivement de manière entrante puis de manière sortante par rapport au véhicule.A problem still arises with this type of device in the case of an impact on the vehicle causing the occurrence of a succession of inertia forces successively directed inbound and outbound manner with respect to the vehicle.

En effet, une première force d'inertie de direction entrante libère le contrepoids du levier de transmission et lorsque une deuxième force d'inertie apparaît de direction opposée, le contrepoids ne se trouve plus en situation de coopérer immédiatement avec le levier de transmission puisque le levier de transmission est volontairement libéré du contrepoids. Le levier de transmission se déplace alors librement sous l'effet de l'inertie sortante de la partie de préhension, occasionnant alors l'ouverture de la porte du véhicule.Indeed, a first incoming steering inertia force releases the counterweight of the transmission lever and when a second inertia force appears in opposite direction, the counterweight is no longer in a position to cooperate immediately with the transmission lever since the transmission lever is voluntarily released from the counterweight. The transmission lever then moves freely under the effect of the outgoing inertia of the gripping portion, thus causing the opening of the vehicle door.

Afin de pallier encore à ce type de scénario, on a proposé de disposer une masse inertielle de blocage, susceptible de se déplacer rapidement jusqu'à venir bloquer le levier de transmission à l'apparition d'une force d'inertie sortante. Toutefois de telles masses inertielles de blocage ont besoin d'un effet de ralentissement du déplacement du levier de transmission en cas de choc pour pouvoir se déplacer plus rapidement que le levier de transmission et engager ce dernier à temps avant qu'il n'actionne l'ouverture de l'ouvrant. On en revient donc à la problématique de départ, qui est que le contrepoids, positionné en déplacement libre après une première force d'inertie entrante, n'est plus en mesure de remplir son rôle de ralentissement du levier de transmission, lequel est donc susceptible d'un mouvement rapide et alors d'échapper à l'arrivée en blocage de la masse inertielle.In order to further overcome this type of scenario, it has been proposed to have an inertial blocking mass that can move rapidly until it locks the transmission lever when an outgoing inertia force appears. However, such inertial blocking masses need a slowing effect of the shifting the transmission lever in case of shock to move faster than the transmission lever and engage the latter in time before it actuates the opening of the opening. We therefore come back to the starting problem, which is that the counterweight, positioned in free movement after a first inertial force entering, is no longer able to fulfill its role of slowing the transmission lever, which is therefore susceptible of a fast movement and then to escape the blocking arrival of the inertial mass.

L'invention a pour but d'apporter une réponse à cette problématique.The invention aims to provide an answer to this problem.

Ce but est atteint selon l'invention grâce à l'objet de la revendication 1.This object is achieved according to the invention by the object of claim 1.

Du fait que le contrepoids assure lui-même un rapprochement de l'organe de blocage vers ou dans sa position de blocage, on évite une situation où à la fois le contrepoids et l'organe de blocage sont neutralisés par une trop grande distance à leur position de fonctionnement.Since the counterweight itself brings the locking member closer to or in its locking position, a situation is avoided where both the counterweight and the locking member are neutralized by a too great distance to their position. operating position.

D'autres caractéristiques, buts et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, faite en référence aux figures annexées sur lesquelles :

  • la figure 1 est une vue de derrière d'un ensemble comprenant une partie de préhension, un levier de transmission, un contrepoids et une masse inertielle de blocage selon un mode préféré de réalisation de l'invention
  • la figure 2 représente en vue de côté ce même ensemble, dans une configuration de repos ;
  • la figure 3 représente ce même ensemble sous l'effet d'une première force d'inertie dirigée vers l'extérieur du véhicule ;
  • la figure 4 représente ce même ensemble sous l'effet d'une deuxième force d'inertie dirigée vers l'intérieur du véhicule ;
  • la figure 5 représente ce même ensemble sous l'effet d'une troisième force d'inertie dirigée à nouveau vers l'extérieur du vehicule.
Other characteristics, objects and advantages of the invention will appear on reading the detailed description which follows, made with reference to the appended figures in which:
  • the figure 1 is a rear view of an assembly comprising a gripping portion, a transmission lever, a counterweight and an inertial blocking mass according to a preferred embodiment of the invention
  • the figure 2 represents in side view this same set, in a rest configuration;
  • the figure 3 represents the same assembly under the effect of a first inertial force directed towards the outside of the vehicle;
  • the figure 4 represents the same assembly under the effect of a second inertia force directed towards the inside of the vehicle;
  • the figure 5 represents the same assembly under the effect of a third inertial force directed to the outside of the vehicle.

Telle qu'illustrée sur la figure 1, un mode de réalisation préféré de l'invention comprend une partie de préhension 10, ici de forme longiligne et rotative autour d'un axe vertical au véhicule, selon l'appellation « poignée frigo ». Cette partie de préhension 10 est munie à son extrémité avant d'un bras d'articulation 11 lequel est engagé sur un bâti ou étrier lequel est connu en soi et non représenté. La partie de préhension 10 est munie à son extrémité arrière d'un pied 12 lequel penètre dans le bâti pour venir coopérer avec un levier de transmission 20 lequel est monté rotatif autour d'un axe fixe 30 fixe sur le bati.As illustrated on the figure 1 , a preferred embodiment of the invention comprises a gripping portion 10, here of elongated shape and rotatable about a vertical axis to the vehicle, according to the name "handle fridge". This gripping portion 10 is provided at its front end with a hinge arm 11 which is engaged on a frame or stirrup which is known per se and not shown. The gripping portion 10 is provided at its rear end with a foot 12 which enters the frame to come cooperate with a transmission lever 20 which is rotatably mounted about a fixed axis 30 fixed on the frame.

Le levier de transmission 20 est entrainé en rotation et entraine à son tour un câble non représenté, lequel est relié à une serrure de fermeture de la porte.The transmission lever 20 is rotated and in turn drives a not shown cable, which is connected to a closing lock of the door.

Ainsi, lorsque l'utilisateur actionne la poignée en écartement vers l'extérieur de la porte, la partie de préhension 10 entraîne par son pied 12 le levier de transmission 20 qui entraîne à son tour le câble d'actionnement de la serrure commandant ainsi l'ouverture de la porte.Thus, when the user actuates the handle spaced outwardly of the door, the gripping portion 10 drives with its foot 12 the transmission lever 20 which in turn drives the actuating cable of the lock thus controlling the door. opening of the door.

La poignée est en outre munie d'un contrepoids 40 présentant la forme d'un bras monté rotatif autour du même axe 30 que le levier de transmission. Le contrepoids 40 présente à son extémité libre un appendice pesant 41 s'étendant selon la longueur de la poignée afin de gagner un volume et une masse suffisants pour le rendre particulièrement sensible aux forces d'inertie appliquées sur la poignée.The handle is further provided with a counterweight 40 in the form of an arm rotatably mounted about the same axis 30 as the transmission lever. The counterweight 40 has at its free end a heavy appendage 41 extending along the length of the handle to gain a volume and a sufficient mass to make it particularly sensitive to the forces of inertia applied to the handle.

Un ressort hélicoïdal est enroulé autour de l'axe 30 et prend appui sur le contrepoids pour rappeler celui-ci vers l'extérieur du véhicule jusqu'à ce que le contrepoids vienne en appui en rotation contre le levier de transmission. Le levier de transmission 20 se trouve ainsi rappelé vers l'intérieur du véhicule sous l'effet du ressort et par l'intermédiaire du contrepoids 40.A coil spring is wound around the axis 30 and is supported on the counterweight to return it to the outside of the vehicle until the counterweight bears in rotation against the transmission lever. The transmission lever 20 is thus returned towards the inside of the vehicle under the effect of the spring and via the counterweight 40.

Du fait que le contrepoids est rappelé élastiquement contre le levier de transmission 20, ces deux éléments se trouvent solidaires en rotation, notamment lorsque la partie de préhension entraîne le levier de transmission vers l'extérieur du véhicule.Because the counterweight is resiliently biased against the transmission lever 20, these two elements are integral in rotation, especially when the gripping portion drives the transmission lever to the outside of the vehicle.

La poignée présente en outre une masse inertielle de blocage 50 se présentant sous la forme d'une bascule montée à rotation avec retour élastique autour d'un axe vertical du bâti de la poignée. Cette bascule présente deux bras longilignes et longitudinaux 51 et 52 s'étendant de part et d'autre de l'axe de rotation, l'un vers l'avant de la poignée, l'autre vers l'arrière de la poignée.The handle further has an inertial locking mass 50 in the form of a rocker rotatably mounted with elastic return around a vertical axis of the frame of the handle. This rocker has two elongate arms and longitudinal 51 and 52 extending on either side of the axis of rotation, one towards the front of the handle, the other towards the rear of the handle.

Le bras avant 51 de la masse inertielle 50 porte une extrémité 53 qui est élargie afin de former une masselotte sensible aux forces d'inertie. Le bras arrière 52 de la masse inertielle constitue un doigt de blocage 54 destiné à venir engager le levier de transmission 20 lorsque la masse inertielle est basculée sous l'effet de l'inertie.The front arm 51 of the inertial mass 50 carries an end 53 which is enlarged to form a flyweight sensitive to inertia forces. The rear arm 52 of the inertial mass constitutes a locking pin 54 intended to engage the transmission lever 20 when the inertial mass is tilted under the effect of the inertia.

Pour cet engagement le levier de transmission 20 forme à cet effet un ergot 21 s'étendant radialement à l'axe de rotation 30 et le doigt 54 vient se loger au devant de la course rotative de cet ergot 21 lorsque la masse inertielle 50 est activée.For this engagement the transmission lever 20 forms for this purpose a lug 21 extending radially to the axis of rotation 30 and the finger 54 is housed in front of the rotary stroke of this lug 21 when the inertial mass 50 is activated .

La figure 2 représente la poignée en configuration de repos. Dans cette configuration, le doigt de blocage 54 se trouve effacé radialement par rapport à la course rotative de l'ergot 21.The figure 2 represents the handle in rest configuration. In this configuration, the locking pin 54 is radially erased relative to the rotational movement of the lug 21.

Le contrepoids 40 porte une lame métallique 42 fixée sensiblement à mi-longueur du bras rotatif formé par le contrepoids, et la lame 42 présente une forme sensiblement circulaire en quart de cercle autour de l'axe 30, englobant ainsi un zone de circulation en quart de disque dans laquelle se trouvent l'ergot 21 et le doigt de blocage 54.The counterweight 40 carries a metal blade 42 fixed substantially at mid-length of the rotating arm formed by the counterweight, and the blade 42 has a substantially circular quarter-circle shape about the axis 30, thus including a quarter circulation zone. disc in which are the pin 21 and the locking pin 54.

Sous l'effet du rappel élastique de la masse inertielle 50, le doigt 54 vient en appui contre une face tournée vers l'axe 30 de la lame 42 interne à la zone de circulation précédemment décrite. Plus précisément, le doigt 54 vient en appui contre une portion 42a de la lame qui est suffisamment éloignée radialement de l'axe 30 pour que le doigt de blocage se trouve, comme décrit précédemment, effacé de la course de l'ergot 21. Lorsque la poignée est actionnée en ouverture, le levier de transmission et le contrepoids décrivent sensiblement un huitième de tour, et l'ergot 21 décrit un angle alpha avant de franchir l'emplacement angulaire du doigt de blocage. La portion 42a s'étend à distance radiale constante de l'axe 30 sur une étendue angulaire au moins égale à l'angle alpha, de sorte que le doigt de blocage 54 reste en appui contre la portion 42a effacée radialement par rapport à l'ergot 21, jusqu'à ce que l'ergot 21 ait franchi l'emplacement angulaire du doigt 54.Under the effect of the elastic return of the inertial mass 50, the finger 54 abuts against a face facing the axis 30 of the blade 42 internal to the previously described circulation zone. More specifically, the finger 54 abuts against a portion 42a of the blade which is sufficiently radially away from the axis 30 so that the locking finger is, as previously described, removed from the stroke of the pin 21. When the handle is actuated in opening, the transmission lever and the counterweight substantially describe an eighth of a turn, and the lug 21 describes an angle alpha before crossing the angular location of the locking finger. The portion 42a extends at constant radial distance from the axis 30 over an angular extent at least equal to the angle alpha, so that the locking pin 54 remains in abutment against the portion 42a radially erased relative to the 21, until the lug 21 has crossed the angular position of the finger 54.

Dans le cas d'un choc latéral sur le véhicule produisant une première force d'inertie vers l'extérieur, le doigt 54 vient se plaquer contre le levier de transmission au devant de l'ergot 21 de sorte que la rotation du levier de transmission 20 se trouve interdite par la mise en butée de l'ergot 21 contre le doigt 54. L'ergot 21 forme ainsi une butée rotative rencontrant le doigt 54 en cas de force d'inertie sortante.In the case of a lateral impact on the vehicle producing a first inertial force towards the outside, the finger 54 comes to press against the transmission lever in front of the pin 21 so that the rotation of the transmission lever 20 is prohibited by the abutment of the lug 21 against the finger 54. The lug 21 thus forms a rotary abutment meeting the finger 54 in case of outgoing inertia force.

Dans le cas d'un tel choc le contrepoids 40 produit un ralentissement du mouvement du levier de transmission 20 par équilibrage de l'inertie de la partie de préhension afin de permettre au doigt 54 d'atteindre l'ergot 21 avant que la force d'inertie exercée sur la partie de préhension n'entraîne le levier de transmission 20 en dehors de l'emprise du doigt 54.In the case of such a shock counterweight 40 produces a slowing of the movement of the transmission lever 20 by balancing the inertia of the gripping portion to allow the finger 54 to reach the pin 21 before the force of inertia exerted on the gripping portion does not cause the transmission lever 20 outside the grip of the finger 54.

L'ensemble se trouve alors dans la configuration représentée à la figure 3.The set is then in the configuration shown in FIG. figure 3 .

Supposons maintenant que la poignée soit soumise à une force d'inertie dirigée vers l'intérieur du véhicule, suite à une première force d'inertie dirigée vers l'extérieur telle que décrite précédemment, ou en tant que première force d'inertie appliquée sur la poignée. Tel que représenté sur la figure 4, le contrepoids 40 se déplace alors vers l'intérieur du véhicule, se désolidarisant ainsi du levier de transmission 20 en rotation autour de l'axe 30. Le contrepoids n'est alors plus apte à appliquer une force de d'équilibrage sur le levier 20 en cas de changement de direction de la force d'inertie à nouveau vers l'extérieur du véhicule.Suppose now that the handle is subjected to an inertial force directed towards the inside of the vehicle, following a first inertial force directed towards the outside as previously described, or as the first inertial force applied to the handle. As shown on the figure 4 the counterweight 40 then moves towards the inside of the vehicle, thus becoming disconnected from the transmission lever 20 in rotation around the axis 30. The counterweight is then no longer able to apply a balancing force to the lever 20 in case of change of direction of the inertia force again towards the outside of the vehicle.

Sous l'effet de la force d'inertie entrante, la masse inertielle 50 déplace son doigt de blocage 54 vers l'extérieur du véhicule, en écartement de l'axe 30, jusqu'à venir en appui sur la face interne de la lame métallique 42. La face interne de la lame métallique coulisse alors contre le doigt de blocage 54 tandis que le contrepoids 40 pivote en libération vis-à-vis du levier de transmission 20.Under the effect of the inertial force entering, the inertial mass 50 moves its blocking finger 54 towards the outside of the vehicle, at a distance from the axis 30, until it bears against the inner face of the blade metal 42. The inner face of the metal blade then slides against the locking finger 54 while the counterweight 40 pivots in release vis-à-vis the transmission lever 20.

Le profil de la lame métallique 42 se rapproche radialement de l'axe 30 lorsque l'on parcourt ce profil dans le sens du coulissement du doigt 54 au cours de la rotation en libération du contrepoids 40. Ainsi, la lame 42 forme un profil en deux portions, l'une 42a décrite précédemment ayant une distance radiale importante, l'autre 42b consécutive se rapprochant de l'axe 30.The profile of the metal blade 42 is radially closer to the axis 30 when one traverses this profile in the sliding direction of the finger 54 during the rotation in release of the counterweight 40. Thus, the blade 42 forms a profile. two portions, one 42a previously described having a significant radial distance, the other 42b consecutive approximating the axis 30.

Plus précisément, la portion 42b de la lame métallique forme un bossage 42c en direction de rapprochement radial de l'axe 30 de sorte que lorsque ce bossage 42c aborde le doigt de blocage 54, le bossage 42c rapproche le doigt de blocage de l'axe 30.More specifically, the portion 42b of the metal blade forms a boss 42c in the direction of radial approximation of the axis 30 so that when this boss 42c approaches the locking pin 54, the boss 42c brings the locking pin closer to the axis 30.

Au cours de ces mouvements produits par une force d'inertie rentrante, la partie de préhension et le levier de transmission restent en position de repos puisque tous deux présentent une conformation telle que l'essentiel de leur masse est rentrée vers l'intérieur du véhicule en configuration de repos de la poignée.During these movements produced by a re-entrant inertia force, the gripping portion and the transmission lever remain in the rest position since both have a conformation such that most of their mass is retracted into the vehicle interior. in the rest configuration of the handle.

Aussi l'ergot 21, solidaire du levier de transmission 21, reste en position de repos sous l'effet de cette même force d'inertie rentrante. Le doigt de blocage 54 rapproché de l'axe 30 par la portion 42b vient donc se loger à proximité de l'ergot 21, déjà sur la course de ce dernier dans le cas d'un déplacement ultérieur du levier de transmission, presque en butée contre le levier de transmission 20 au devant de l'ergot 21.Also the lug 21, integral with the transmission lever 21, remains in the rest position under the effect of this same inertial force reentrant. The blocking finger 54 brought closer to the axis 30 by the portion 42b thus comes to be housed near the pin 21, already on the stroke of the latter in the case of a subsequent displacement of the transmission lever, almost in abutment against the transmission lever 20 in front of the lug 21.

Supposons à présent et tel que représenté à la figure 5, un changement de direction de la force d'inertie appliquée à la poignée maintenant vers l'extérieur de la porte. Cette force d'inertie sortante entraîne la partie de préhension 10 ainsi que le levier de transmission 20 vers l'extérieur du dispositif. La force d'inertie sortante entraîne cependant la masse inertielle 50 dans le sens d'un rapprochement du doigt de blocage 54 vers l'axe de rotation 30. Du fait que le doigt de blocage 54 se trouve déjà sur la course de l'ergot 21, ou en variante à proximité immédiate de cette course, le doigt 54 vient se positionner devant l'ergot 21 sans délai, supprimant ainsi un risque que l'ergot 21 n'échappe à l'emprise du doigt de blocage par arrivée tardive de ce dernier dans sa position de blocage.Suppose now and as represented in the figure 5 , a change of direction of the inertial force applied to the handle now towards the outside of the door. This outward inertia force drives the gripping portion 10 and the transmission lever 20 towards the outside of the device. The outgoing inertia force, however, causes the inertial mass 50 in the direction of a coming of the blocking finger 54 towards the axis of rotation 30. Because the locking pin 54 is already on the 21 of the lug stroke, or alternatively in the immediate vicinity of this race, the finger 54 is positioned in front of the lug 21 without delay, eliminating the risk that the lug 21 escapes the grip of the finger blocking by late arrival of the latter in its blocking position.

Dans le cas présent, l'apparition de la force d'inertie sortante provoque le déplacement du doigt de blocage sur le trajet restant à ce dernier afin de se trouver en totalité devant la butée rotative constituée par l'ergot 21.In the present case, the appearance of the outgoing inertia force causes the blocking finger to move on the path remaining to the latter in order to be entirely in front of the rotary stop constituted by the lug 21.

Dans un mode de réalisation alternatif, il n'est pas nécessaire que le profil porté par le contrepoids vienne positionner le doigt de blocage partiellement ou totalement sur la course de la butée rotative du levier de transmission. Il suffit que le profil de la lame 42 pré-positionne le doigt de blocage 54 de manière rapprochée de la butée rotative 21 selon une distance suffisante pour qu'un changement de direction de la force d'inertie occasionne une mise en position de blocage du doigt 54 avant un déplacement prématuré du levier de transmission 20 alors dépourvu de l'effet de ralentissement du contrepoids.In an alternative embodiment, it is not necessary that the profile carried by the counterweight comes to position the blocking finger partially or completely on the travel of the rotary stop of the transmission lever. It is enough that the profile of the blade 42 pre-positions the locking pin 54 closely to the rotary stop 21 at a distance sufficient for a change of direction of the inertia force causes a setting in the locking position of the finger 54 before a premature displacement of the transmission lever 20 then devoid of the slowing effect of the counterweight.

Le mode de réalisation préféré qui vient d'être décrit est purement illustratif et ne doit pas être considérée comme limitatif de l'objet de l'invention.The preferred embodiment which has just been described is purely illustrative and should not be considered as limiting the object of the invention.

Claims (9)

  1. A handle for controlling the opening of a motor vehicle door leaf, comprising a gripping portion (10), a member forming a counterweight (40) against an inertia of the gripping portion (10), which member forming a counterweight (40) is mounted separately from the opening control in an inertia direction inwardly to the vehicle, the handle further comprising a blocking member (54) in an inertia direction outwardly to the vehicle adapted to take on a position for blocking the opening control, such that it comprises an arrangement (42) of the counterweight (40) producing a driving of the blocking member (54) towards its blocking position under the effect of a separation of the counterweight (40) with respect to the opening control.
  2. The handle according to claim 1, characterized in that the blocking member (54) is formed by an inertial mass (50) intended to be displaced in the position for blocking an opening movement of the handle under the effect of an inertial force applied to the inertial mass (50).
  3. The handle according to the preceding claim, characterized in that the drive arrangement (42, 42a) of the inertial mass (50) is a member (42) secured to the counterweight (40) and pressing on the inertial mass (50) when the counterweight (40) is separated from the opening control.
  4. The handle according to any one of the preceding claims, characterized in that it comprises a transmission lever (20) actuated by the gripping portion (10) and resulting in a linkage connected to a door leaf latch, and the blocking member (54) is intended to engage the transmission lever (20) against an inadvertent opening control of the handle.
  5. The handle according to any one of the preceding claims, characterized in that the drive arrangement (42, 42a) is a guideway (42) secured to the counterweight (40) and slidably mounted against the blocking member (54) during a movement of separation of the counterweight (40) with respect to the opening control.
  6. The handle according to claim 4 and claim 5 in combination, characterized in that the transmission lever (20) is rotatable about an axis of rotation (30), the blocking member (54) engages a rotary stop (21) carried by the transmission lever (20), and the rotary stop (21), the blocking member (54) and the guideway (42) are disposed consecutively in this order radially outwards from the axis of rotation (30) of the transmission lever (20), so that the guideway (42) is configured to drive the blocking member (54) radially inwards to the axis of rotation (30) of the transmission lever (20) towards the rotary stop (21) of the transmission lever (20).
  7. The handle according to claim 6, characterized in that the counterweight (40) and the transmission lever (20) are rotatable about the same axis of rotation.
  8. The handle according to claim 7, characterized in that the guideway (42) has a portion (42a) sufficiently radially away from the axis of rotation (30) to enable a positioning of the blocking member (54) between the rotary stop (21) and this portion (42a) of the guideway (42).
  9. The handle according to the preceding claim, characterized in that the guideway (42) has a portion (42b) sufficiently radially close to the axis of rotation (30) for positioning the blocking member (54) on the pathway of the rotary stop (21).
EP11781558.9A 2010-11-16 2011-11-14 Automobile handle having a blocking inertial body actuated by a counterweight Active EP2640915B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT002118A ITMI20102118A1 (en) 2010-11-16 2010-11-16 MOTOR VEHICLE HANDLE WITH AN INERTIAL LOCKING MASS OPERATED BY A COUNTERWEIGHT
PCT/EP2011/070026 WO2012065938A1 (en) 2010-11-16 2011-11-14 Automobile handle having a blocking inertial body actuated by a counterweight

Publications (2)

Publication Number Publication Date
EP2640915A1 EP2640915A1 (en) 2013-09-25
EP2640915B1 true EP2640915B1 (en) 2019-12-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11781558.9A Active EP2640915B1 (en) 2010-11-16 2011-11-14 Automobile handle having a blocking inertial body actuated by a counterweight

Country Status (4)

Country Link
EP (1) EP2640915B1 (en)
ES (1) ES2764409T3 (en)
IT (1) ITMI20102118A1 (en)
WO (1) WO2012065938A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013106618A1 (en) * 2013-06-25 2015-01-08 Huf Hülsbeck & Fürst Gmbh & Co. Kg Door handle assembly for a motor vehicle
DE102014015949A1 (en) * 2014-10-30 2016-05-04 Huf Hülsbeck & Fürst Gmbh & Co. Kg Motor vehicle door handle assembly with accident protection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100737001B1 (en) * 2005-10-07 2007-07-09 현대자동차주식회사 Safety mechanism of vehicle door handle assembly
KR20090040769A (en) * 2007-10-22 2009-04-27 현대자동차주식회사 Door handle release prevention device
DE102008062213A1 (en) * 2008-12-13 2010-06-17 Dr.Ing.H.C.F.Porsche Aktiengesellschaft Door handle unit for motor vehicle, particularly passenger car, has bearing bracket and manually operated drawing grip which is mounted at bearing clamp in rotating manner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2012065938A1 (en) 2012-05-24
ES2764409T3 (en) 2020-06-03
ITMI20102118A1 (en) 2012-05-16
EP2640915A1 (en) 2013-09-25

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