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.
• FIG. 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.
• FIG. 2 shows a side view of the same set in a rest configuration
• Figure 3 shows the same assembly under the effect of a first inertial force directed towards the outside of the vehicle
• FIG. 4 shows the same assembly under the effect of a second inertia force directed towards the inside of the vehicle
• Figure 5 shows the same assembly under the effect of a third inertia force directed to the outside of the vehicle.
• 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 1 1 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 .
• Figure 2 shows 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 half the 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 lug 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 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 separating itself from the transmission lever 20 in rotation about the axis 30.
• the counterweight is then no longer able to apply a force of balancing on the lever 20 in case of change of direction of the inertia force again to 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)

Priority Applications (2)

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Publications (1)

Family

ID=43742733

Family Applications (1)

Country Status (4)

Cited By (2)

Citations (3)

• 2010
  • 2010-11-16 IT IT002118A patent/ITMI20102118A1/it unknown
• 2011
  • 2011-11-14 ES ES11781558T patent/ES2764409T3/es active Active
  • 2011-11-14 EP EP11781558.9A patent/EP2640915B1/fr active Active
  • 2011-11-14 WO PCT/EP2011/070026 patent/WO2012065938A1/fr active Application Filing

Patent Citations (3)

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