EP1596127A1 - Mounting of a torsion spring between two parts of a lighting assembly of an automotive vehicle - Google Patents

Mounting of a torsion spring between two parts of a lighting assembly of an automotive vehicle Download PDF

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Publication number
EP1596127A1
EP1596127A1 EP05290904A EP05290904A EP1596127A1 EP 1596127 A1 EP1596127 A1 EP 1596127A1 EP 05290904 A EP05290904 A EP 05290904A EP 05290904 A EP05290904 A EP 05290904A EP 1596127 A1 EP1596127 A1 EP 1596127A1
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EP
European Patent Office
Prior art keywords
spring
support
support part
mobile
torsion
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.)
Granted
Application number
EP05290904A
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German (de)
French (fr)
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EP1596127B1 (en
Inventor
Alexandre Mensales
Benoit Lery
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Valeo Vision SAS
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Valeo Vision SAS
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Publication date
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Publication of EP1596127A1 publication Critical patent/EP1596127A1/en
Application granted granted Critical
Publication of EP1596127B1 publication Critical patent/EP1596127B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/689Flaps, i.e. screens pivoting around one of their edges

Definitions

  • the invention relates to the assembly of a torsion spring between a fixed part and a moving part of a lighting device and / or motor vehicle signaling.
  • Projectors may also have rotating optical modules, comprising by optical module at least the light source associated with its reflector. This is the case of turn-based projectors, which also known as DBL for Dynamic Bending Light ".
  • Projectors can also be designed to have movable reflectors, for example headlamps equipped with automatic correction of attitude.
  • a mobile screen projector in particular by pivoting, generally comprises a support piece fixed motor and a movable support part, the mobile support part being intended to tilt relative to the engine support part.
  • the support piece mobile supports at least one pivoting flap.
  • a movable support piece provided with the pivoting flap is intended to switch between a first position, said active position, in which light signals emitted by a light source of the projector are intercepted by the pivoting flap and a second position, said position passive, in which the pivoting flap does not intercept the beams bright light source.
  • a torsion spring acting in the relative movement between the fixed part and the moving part is useful to have recourse to a torsion spring acting in the relative movement between the fixed part and the moving part. This is the case, for example, when the moving part is moved by a motor relative to a fixed part, and that a torsion spring is also provided between the two parts so that, in case of failure of the motor, the moving part, thanks to said spring, can rebase into a security position (for example, in a non-glare code position in the case of the bi-function cache mentioned above).
  • the invention aims to facilitate the mounting of projectors which have moving parts, especially those using springs.
  • it also aims to obtain such projectors that are compact, simple design and yet reliable, especially in level of movement of said moving parts.
  • the invention is more particularly intended for the field of vehicle projectors but could also apply in other areas.
  • the removable cover and the infrared filter are two particular examples of the pivoting flap equipping the devices projectors according to the invention.
  • the projectors concerned by the invention are all those that are likely to be equipped of a moving part, regardless of the function performed by said part, able to move from one position to another at least in the projector.
  • the first branch is moved by a second linear motion in the opposite direction of the first movement of the return to the initial position of the spring.
  • a transformation of linear movements in rotational movements may need to release a space to allow the first branch and the second branch to articulate one with respect to the other.
  • space is responsible for a the size of the projector.
  • the connecting means can be weakened following the linear movements and following the rotational movements repeating in time.
  • a torsion spring is also known to rotate the moving part relative to the engine support part by means of a DC motor and by via a torsion spring.
  • a torsion spring is formed of a central portion or body having a plurality of turns, a first end and a second end. The first end and the second end are placed on either side of the central part while extending this same central part.
  • the central part is positioned around a support means formed on the movable support piece and longitudinally with respect to an axis of this confused support means with an axis of extension of the same spring.
  • the first end and the second end are respectively placed against the piece mobile support and against the engine support part so as to maintain position activates the pivoting flap.
  • the motor is set to allow fold down the pivoting flap from the active position direction of the passive position, while possibly maintaining this passive position of the pivoting flap.
  • the spring allows the pivoting flap to return to its initial active position by simply folding the pivoting flap from the passive position towards the active position.
  • the mounting of the mobile support part in the support part motor can be complicated by the presence of this spring.
  • the torsion spring is placed between the two pieces with a torsion torque between the two ends of the spring which allows the same spring to keep the pivoting flap in the active position.
  • Such a torsion torque is obtained by rotating around the axis of elongation of the spring one of ends with respect to each other in a winding direction the turns of the central part of the spring.
  • the step of wrapping one of the two ends around the lengthening axis of the spring is called a step of pre-armature of the spring which leads to a torsion torque predetermined spring between the two ends. This torsion torque is greater than that required for a spring placed against the piece mobile support and against the engine support part.
  • Such a torsion torque of the necessary spring between the movable support part and the engine support part corresponds to a sufficient torque to maintain permanently the pivoting shutter in active position.
  • An operator responsible for mounting the device a projector equipped with such a pivoting torsion spring flap must therefore use specific tools able to maintain such a spring while creating twisting force by winding one of the two ends as previously described, the time required to embed the support piece mobile in the engine support part.
  • a projector device equipped with a movable support piece provided a pre-positioning pin of the torsion spring.
  • the invention also proposes a shoulder formed by the engine support part.
  • the pre-positioning pin is formed by the movable support piece to a place near the light source compared to another place formed by the shoulder against which is intended to rest the torsion spring in the engine support part, longitudinally with respect to an axis horizontal propagation of the light beam from a rear part in direction of a front part of the projector device.
  • one of the two ends of the torsion spring is positioned in abutment against the movable support piece and the other end is previously positioned in support also against the support piece mobile. More precisely, the other end is placed in support against the pre-positioning pin after winding of this same end according to the winding direction of the turns of the central part.
  • a step of pre-arming the torsion spring is released from the lug to come to rest against the shoulder formed by the support piece engine.
  • the invention thus allows the operator (or the robot if the operation assembly is automated) to be able to assemble the part more easily mobile to the fixed part via the spring, with a correct arming and simultaneous spring, thanks to this prior pre-weave step.
  • the moving part comprises a pre-winding pin against which rests one of the ends of the spring during assembly.
  • the operator or the machine can pre-arm the spring with respect to a single piece, which is easily achievable.
  • the pre-wrap pin has at least one chamfered area. This chamfered area allows to guide the end of the spring to fix on the pin, so as to facilitate / guarantee correct positioning.
  • the moving part also comprises a pin functional having at least one stop.
  • a pin functional having at least one stop we understand by ergot "Functional" the lug that will hold the other end of the spring as well in the pre-arming phase only in the assembled and finished projector, as opposed to the pre-wrap pin which, once assembly is complete, has more function in the finished projector.
  • the moving part comprises a support means of the spring body having a cylinder portion projecting and provided retaining means of the spring body after arming.
  • These means of retentions are for example in the form of a collar, or one or several stops arranged radially at the edge or near the edge outside the cylinder portion.
  • the unreinforced spring body preferably has a diameter greater than the apparent diameter of the cylinder portion in the area where the retaining means of the collar or abutment type are arranged, and a diameter less than said apparent diameter once it is armed.
  • Appent diameter the diameter of the virtual circle in the area provided with restraining means and which passes through the edges most radially away from the cylinder body of said stop means (s) or collar.
  • the actual diameter of the cylinder is chosen similar to the diameter of the body of the armed spring.
  • the spring according to the invention allows a movement relative to a moving part chosen from a pivoting cover, a filter of type infra-red filter, a reflector, an optical module, and a fixed part of type support part.
  • the invention also relates to a lighting device and / or signaling for a motor vehicle, of the projector type, comprising at least minus a fixed part relative to a moving part, and a torsion spring one of the ends of the spring is held on the moving part by a functional pin with at least one stop and the other end of which is maintained at the fixed part, the body of the spring being held by a means support having a cylinder portion projecting and provided with retaining means of the spring body.
  • the said moving part can to understand the pre-amarge pin and the retaining means described more high.
  • the subject of the invention is also the vehicle comprising one less of these devices.
  • the invention advantageously makes it possible to dispose the spring of torsion on the mobile support part before assembly of the part movable support in the engine support part in a fixed manner, without play, of have a mobile support piece equipped with the torsion spring without risking to lose the torsion spring by sliding the spring along the means of support.
  • the invention also makes it possible to store very easily such a movable support member provided with the torsion spring.
  • the support means around which is placed the central part of the spring forms a stop collar, continuous or discontinuous.
  • This stop collar advantageously allows prevent the spring from escaping from the support means after one of the two ends have been wound around the axis of elongation of the spring as previously mentioned.
  • the invention advantageously makes it possible to pre-arm the spring of twist directly on the moving support piece without the torsion spring is likely to escape from that same room.
  • FIG. 1 illustrates a projector device 1 with a pivoting shutter comprising a light source 2, a fixed engine support part 3, a piece of mobile support 4, and a torsion spring 5, according to the invention.
  • the light source 2 produces a light beam emitted at of a rear portion 6 towards a front portion 7 of the device along of a horizontal axis 23 of propagation of the light beam, the front part 7 being opposed to the rear portion 6.
  • This horizontal axis 23 forms a direction main lighting device projector.
  • Figure 2 and Figure 3 respectively illustrate a support part motor 3 and a movable support part 4.
  • Each of these parts 3 and 4 may to be performed following a molding of a plastic material.
  • each these parts 3 and 4 can be made of a metallic material.
  • the fixed engine support part 3 is provided with a motor (no represent). This motor is intended to drive in rotation a pinion of motor output (not shown).
  • the mobile support part 4 is formed of a frame 8.
  • This armature 8 is intended to carry at least one pivoting flap (not shown).
  • This armature 8 is intended to also support a toothed wheel 9.
  • This toothed wheel 9 forms a gear with the motor gear while causing a tilting of the mobile support part 4 with respect to the motor support part 3.
  • the mobile support part 4 tilts with respect to the engine support part 3 from an active position in which the shutter intercepts at least a portion of the light beam emitted by the source luminous 2 to a passive position where the same shutter does not intercept the light beam. Tilting of the mobile support part 4 by relative to the engine support part is represented by an arrow figure 1. This tilting takes place around a 30 axis of rotation.
  • FIG. 4 illustrates a schematic representation of the spring of torsion 5 according to the invention.
  • a spring 5 comprises a central portion 10, a first end 11 and a second end 12.
  • the central portion 10 is formed by a plurality of turns 13 wound around an axis 14 extension of the spring 5.
  • the spring is positioned on the support piece mobile with its first end 11 bearing against the support piece mobile 4 and its central portion 10 placed around a support means 26, 27 formed by the movable support piece and along the lengthening axis 14 of the spring.
  • the second end 12 is intended to be placed in abutment against the engine support part 3.
  • This torsion spring 5 is thus placed between the motor support part 3 and the mobile support part 4 in such a way that the spring plays a role of return spring now permanently the piece mobile support 4 according to the active position.
  • the engine support part 3 comprises a shoulder 15 of the spring 5 and the movable support piece 4 comprises a pin of pre-positioning 16 of the spring, Figures 1, 2, 3 and 5.
  • the prepositioning pin 16 allows the second end 12 of the mainspring to be placed in support against the same lug 16 prior to insertion of the mobile support part in the engine support part.
  • the piece mobile support 4 fits into the engine support part 4 in such a way that the second end 12 of the spring is placed in abutment against the shoulder 15.
  • the movable support piece is inserted in such a way that the mobile support piece has the pre-positioning pin 16 placed at a near the light source 2 with respect to the horizontal axis 23 of propagation, the shoulder 15 being placed relative to the prepositioning pin 16 and with respect to that same horizontal axis 23 at one place away from the light source 2, Figures 2, 3 and 5.
  • the shoulder 15 is formed by the engine support part 3, FIGS. 5.
  • Figure 5 shows an enlargement of a location of the support part motor 3 where is positioned the torsion spring 5 of the projector device 1 according to the invention.
  • the engine support part 3 forms a housing with a wall peripheral 17 and a bottom 18, the peripheral wall 17 and the bottom 18 delimiting a cavity 19.
  • the bottom 18 forms a plane perpendicular to a plane formed by the peripheral wall 19.
  • This engine support part 3 comprises a housing 20 to accommodate the engine, obviously a 21 intended for receiving the toothed wheel 9.
  • the fixed support part 3 may comprise a receptacle 22 intended specifically to receive an electronic card (no shown) connected to the motor to control its start.
  • the shoulder 15 is formed at a location on the peripheral wall 17 of the engine support part 3, FIGS. 2 and 5. This shoulder 15 corresponds to a protrusion extending from the wall 17 towards the cavity 19 of the engine support part 3. This shoulder 15 forms a first surface 24 against which rests the second end 12 of the spring. This first surface 24 forms a bearing surface of the second end 12 of the spring 5 and is represented by a speckled surface figure 5.
  • the pre-positioning pin 16 is formed from the frame 8 of the mobile support part 4, FIGS. 3 and 5.
  • the lug 16 forms a projection extending from the armature 8 perpendicular to the axis horizontal 23 of propagation of the light beam and parallel by relative to the plane formed by the bottom 18 of the engine support part 3.
  • the ergot pre-positioning 16 forms a second bearing surface against which supports the second end 12 of the spring prior to the insertion of the mobile support part 4 into the engine support part 3.
  • the first surface 24 and the second surface 25 are placed respectively in a foreground and in a second plane, the foreground and the second plane being perpendicular to the horizontal axis 23 of propagation.
  • the foreground is away from light source 2 and the second plane is close to this same light source 2.
  • the mobile support part 4 is fixed to the engine support part 3 by via a first rod 26 and via a second 27.
  • One of the two rods forms a center of the toothed wheel 9.
  • the first rod 26 and the second rod 27 are intended to be placed in retention means 28 and 29 formed by the engine support part 4. These means of retention may be elastic opening meatus as Figure 2.
  • This axis of rotation 30 may be perpendicular to the axis horizontal 23 and parallel to the plane formed by the bottom 18 of the support piece motor 3, as shown in FIG. 1. Or this axis of rotation 30 can be parallel or oblique to the horizontal axis 23.
  • Tilting of the mobile support part 4 towards the passive position and the tilting of this same mobile support piece into direction of the active position are stopped by respectively supporting a front stop 31 and a rear stop 32 against the engine support part 3.
  • the movable support piece has a stop before 31 and a backstop 32.
  • Front stop 31 is placed at a point in the room mobile support 4 remote from the light source 2 with respect to another where the backstop 32 is formed on the same movable support part 4.
  • the mobile support part 4 can then be positioned according to a position active predetermined while bearing against the engine support part 3 through the backstop 32.
  • the movable support part 4 can also be positioned according to a predetermined passive position while being in abutment against the engine support part via the abutment before 31.
  • the frame 8 forms a frame which is placed in a plane perpendicular to the horizontal axis 23 in the active position of the shutter and which is placed in another plane parallel to the horizontal axis 23 in position passive of the same component.
  • the support means 26, 27 around which the central portion is inserted 10 of the torsion spring 5 can form a cylindrical protrusion, FIG.
  • This support means may be formed by one or the other rods 26 or 27.
  • the first rod 26 preferentially forms the spring support means while the second rod 27 forms a center of the toothed wheel 9.
  • This support means may advantageously comprise a stop flange 37 defining a first diameter 38 of the outgrowth at a location where the flange 37 is formed greater than a second diameter 39 formed by the central portion 10 of the spring when the second end 12 of the spring is placed in abutment against the prepositioning pin 16 and / or when the second end 12 of the spring is placed in abutment against the shoulder 15.
  • This second diameter 39 is greater than a third diameter 40 formed by the rest of the support means.
  • the first end 11 and the second end 12 may form respectively a first loop 33 and a second loop 34, FIG.
  • the first loop 33 is intended to encircle a lug 35 formed by the movable support part 4, FIG. 7.
  • the second loop 34 can be intended to be housed in a hole 36 formed through the shoulder 15, FIG. 5.
  • the shoulder 15 can be pierced with an orifice 36, FIGS. 5, 8.
  • Figure 8 shows a schematic view of the engine support part projector device 1 side view and external view.
  • the orifice 36 passes through less partially the wall 17 from the cavity 19 towards the outside the engine support part. In the case where this orifice 36 passes through completely the wall 7, as illustrated in FIGS.
  • FIG. 1 illustrates a projector device 1 in which the shutter swivel forms a removable cover to allow for a projector low beam / high beam.
  • This cache is then placed in a framework forming a frame as shown in Figures 1 and 3.
  • the projector device could form a pivoting flap forming a filter infrared.
  • the armature can form a plate 41 folded on itself to form a bar extending between the two rods with cross section a U-shaped, as shown in Figure 9.
  • a motor vehicle can be easily and advantageously equipped with such a projector device according to the invention.
  • the method of mounting the flap projector device according to the invention can be realized as follows. First, the part center 10 of the spring 5 is installed on the support means 26 of the workpiece mobile support 4. More precisely, the central part 10 of the spring is placed around the first rod 26. Then the first end 11 of the spring is placed against the movable support part 4. To place this first end 11, we place the first loop 33 around the pin 35. Then, a rotational movement of the second end 12 around the first rod 26 is made in a winding direction of the turns of the part central 10. This rotational movement of the second end 12 around of the first rod 26 is represented by an arrow Figure 4.
  • the mobile support part 4 thus provided with the spring 5 is inserted in the engine support part 3 by inserting the first rod 26 and the second rod 27 in the corresponding meatus formed in the room 3.
  • the mobile support part is more precisely inserted in the engine support part in such a way that the pivoting flap switches between the active position and the passive position around the axis of rotation 30.
  • the second end 12 of the spring 5 When inserting the mobile support part 4 into the support part motor 3, the second end 12 of the spring 5 is first placed in support against the second surface 25 formed by the pre-positioning pin 16. Then this second end 12 is placed in abutment against the first surface 24 formed by the shoulder 15 during the insertion of the first rod 26 and the second rod 27 of the mobile support part 4 in the meatus 28 and 29 corresponding formed by the engine support part 3.
  • the lug 16 is positioned relative to the shoulder 15 in such a way that the lug allows the second end 12 of the spring to free itself from the second support surface 25 to bear against the first surface 24.
  • the spring thus positioned between the movable support part and the engine support part constantly reminds the pivoting flap according to the active position.
  • the mobile support part 4 is advantageously reversibly inserted in the engine support part 3.
  • the projector device 1 is then advantageously reversibly removable.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The process involves positioning and pre-equipping a torsion spring (5) on a movable part by fixing two ends of the spring to the movable part. The movable part is assembled on a fixed part, such that one of the two ends of the spring is freed from the movable part for being supported on the fixed part for equipping the torsion spring upon creating torsional moment between the two parts. An independent claim is also included for a motor vehicle having a lighting and/or signaling device.

Description

L'invention concerne l'assemblage d'un ressort de torsion entre une pièce fixe et une pièce mobile d'un dispositif d'éclairage et/ou de signalisation de véhicule automobile.The invention relates to the assembly of a torsion spring between a fixed part and a moving part of a lighting device and / or motor vehicle signaling.

De nombreuses configurations de projecteur à pièce(s) mobile(s) existent désormais. Il peut s'agir des projecteurs qui ont des écrans mobiles, et qui peuvent intercepter sélectivement une partie du faisceau lumineux émis par la source lumineuse du projecteur. Il est ainsi connu des écrans ou caches mobiles, qui présentent une position de façon à occulter partiellement les rayons lumineux afin d'obtenir un faisceau de type code, et qui, en position escamotée, permettent d'obtenir un faisceau de type route. Ce sont les écrans de type bi-fonction. II existent aussi des écrans mobiles plus perfectionnés, qui peuvent présenter non pas deux mais au moins trois positions différentes vis-à-vis de la source lumineuse, de façon à pouvoir, avec une même source lumineuse et un même réflecteur, obtenir au moins trois faisceaux différents (code trafic à droite/code trafic à gauche/route par exemple). Il s'agit alors de pouvoir déplacer un écran par rapport à une pièce support sur lequel il est monté.Many projector configurations with mobile part (s) now exist. These may be projectors that have moving screens, and which can selectively intercept a portion of the light beam emitted by the light source of the projector. It is thus known screens or caches, which have a position so as to partially obscure light rays in order to obtain a code-type beam, and which, in retracted position, make it possible to obtain a road-type beam. Those are dual-function screens. There are also more mobile screens which may have not two but at least three different positions vis-à-vis the light source, so as to be able, with the same light source and the same reflector, obtain at least three different beams (traffic code on the right / traffic code on the left / road by example). It is then a question of being able to move a screen with respect to a support piece on which it is mounted.

Des projecteurs peuvent aussi avoir des modules optiques tournants, en comprenant par module optique au moins la source lumineuse associée à son réflecteur. C'est le cas des projecteurs à fonction virage, fonction aussi connue sous la dénomination anglaise de DBL pour « Dynamic Bending Light ».Projectors may also have rotating optical modules, comprising by optical module at least the light source associated with its reflector. This is the case of turn-based projectors, which also known as DBL for Dynamic Bending Light ".

Des projecteurs peuvent également être conçus pour avoir des réflecteurs mobiles, par exemple les projecteurs équipés de systèmes de correction automatique d'assiette.Projectors can also be designed to have movable reflectors, for example headlamps equipped with automatic correction of attitude.

L'invention s'intéressera plus particulièrement, sans s'y limiter, à des pièces mobiles de type caches pivotants. Un projecteur à écran mobile, notamment par pivotement, comporte généralement une pièce support moteur fixe et une pièce support mobile, la pièce support mobile étant destinée à basculer par rapport à la pièce support moteur. La pièce support mobile supporte au moins un volet pivotant. Dans le d'un cache bi-fonction code/route, une telle pièce support mobile munie du volet pivotant est destinée à basculer entre une première position, dite position active, dans laquelle des signaux lumineux émis par une source lumineuse du projecteur sont interceptés par le volet pivotant et une deuxième position, dite position passive, dans laquelle le volet pivotant n'intercepte pas les faisceaux lumineux de la source lumineuse.The invention will be of particular interest, but not limited to, moving parts of the type pivoting covers. A mobile screen projector, in particular by pivoting, generally comprises a support piece fixed motor and a movable support part, the mobile support part being intended to tilt relative to the engine support part. The support piece mobile supports at least one pivoting flap. In a bi-function cache code / route, such a movable support piece provided with the pivoting flap is intended to switch between a first position, said active position, in which light signals emitted by a light source of the projector are intercepted by the pivoting flap and a second position, said position passive, in which the pivoting flap does not intercept the beams bright light source.

Quelque soit le type de pièce mobile, il est utile d'avoir recours à un ressort de torsion intervenant dans le mouvement relatif entre la pièce fixe et la pièce mobile. C'est le cas, par exemple, quand la pièce mobile est mue par un moteur par rapport à une pièce fixe, et qu'un ressort de torsion est également prévu entre les deux pièces pour que, en cas de défaillance du moteur, la pièce mobile, grâce audit ressort, puisse rebasculer dans une position de sécurité (par exemple, dans une position code non éblouissante dans le cas du cache bi-fonction mentionné plus haut).Whatever the type of moving part, it is useful to have recourse to a torsion spring acting in the relative movement between the fixed part and the moving part. This is the case, for example, when the moving part is moved by a motor relative to a fixed part, and that a torsion spring is also provided between the two parts so that, in case of failure of the motor, the moving part, thanks to said spring, can rebase into a security position (for example, in a non-glare code position in the case of the bi-function cache mentioned above).

L'invention a pour but de faciliter le montage de projecteurs qui ont des pièces mobiles, notamment celles ayant recours à des ressorts. Optionnellement, elle vise également à obtenir de tels projecteurs qui soient compacts, simples de conception et pourtant fiables, tout particulièrement au niveau du mouvement desdites pièces mobiles. L'invention est plus particulièrement destinée au domaine des projecteurs de véhicules automobiles mais pourrait également s'appliquer dans d'autres domaines.The invention aims to facilitate the mounting of projectors which have moving parts, especially those using springs. Optionally, it also aims to obtain such projectors that are compact, simple design and yet reliable, especially in level of movement of said moving parts. The invention is more particularly intended for the field of vehicle projectors but could also apply in other areas.

En effet, dans le domaine des projecteurs de véhicules automobiles, on connaít différents types de projecteurs, parmi lesquels on trouve essentiellement :

  • des feux de position, d'intensité et de portée faible ;
  • des feux de croisement, ou codes, d'intensité plus forte et de portée sur la route avoisinant 70 mètres, qui sont utilisés essentiellement la nuit et dont la répartition du faisceau lumineux est telle qu'elle permet de ne pas d'éblouir le conducteur d'un véhicule croisé ;
  • des feux de route longue portée, et des feux de complément de type longue portée, dont la zone de vision sur la route avoisine 200 mètres, et qui doivent être éteints lorsque l'on croise un autre véhicule afin de ne pas éblouir son conducteur ;
  • des feux anti-brouillard.
Indeed, in the field of motor vehicle headlamps, we know different types of projectors, among which we find essentially:
  • position, intensity and low range lights;
  • low beam, or codes, of greater intensity and range on the road of about 70 meters, which are mainly used at night and whose distribution of the light beam is such that it does not dazzle the driver a crossover vehicle;
  • long-range headlamps, and long-range supplement lights, whose vision zone on the road is approximately 200 meters, and which must be extinguished when crossing another vehicle so as not to dazzle its driver;
  • fog lights.

Notamment, il est connu du document EP 1 197 387 un projecteur comportant un volet pivotant formant un cache amovible bi-fonction comme mentionné plus haut. Un autre type de projecteur à pièce mobile est décrit dans le document EP 1 139 011 : il s'agit d'un projecteur de type elliptique de à vision de nuit par infrarouge, comportant un écran opaque au rayonnement visible mais transparent aux infrarouges.In particular, it is known from document EP 1 197 387 a projector having a pivoting flap forming a bi-function removable cover as mentioned above. Another type of moving-room projector is described in the document EP 1 139 011: it is an elliptical type projector of with infrared night vision, having a screen that is opaque to radiation visible but transparent to infrared.

Dans le cas de l'invention, le cache amovible et le filtre infrarouge sont deux exemples particuliers du volet pivotant équipant les dispositifs projecteurs selon l'invention. D'une façon générale, les dispositifs projecteurs concernés par l'invention sont tous ceux qui sont susceptibles d'être équipés d'une pièce mobile, indépendamment de la fonction remplie par ladite pièce, capable de passer d'une position à une autre au moins dans le projecteur.In the case of the invention, the removable cover and the infrared filter are two particular examples of the pivoting flap equipping the devices projectors according to the invention. In general, the projectors concerned by the invention are all those that are likely to be equipped of a moving part, regardless of the function performed by said part, able to move from one position to another at least in the projector.

Pour faire basculer un cache mobile par rapport à une pièce support moteur, il est connu dans l'état de la technique d'utiliser un électro-aimant fonctionnant à l'aide d'un ressort. Cet électro-aimant est alimenté en courant alternatif de manière à entraíner un basculement du volet qui revient en position initiale par l'intermédiaire du ressort. Cet électro-aimant engendre des mouvements d'une première branche et d'une deuxième branche, la première branche et la deuxième branche étant reliées par un moyen de liaison. Cet électro-aimant engendre un premier mouvement linéaire de la première branche tout en entraínant un mouvement de basculement par rotation de la deuxième branche, la deuxième branche supportant le volet pivotant. Le ressort qui est placé autour de la première branche est alors étiré entre un point fixe et une extrémité de la première branche. Lors du retour en position initiale du volet, la première branche est déplacée par un deuxième mouvement linéaire en sens inverse du premier mouvement du fait du retour en position initiale du ressort. Une telle transformation de mouvements linéaires en mouvements par rotation peut nécessiter de libérer un espace pour permettre à la première branche et à la deuxième branche de s'articuler l'une par rapport à l'autre. Un tel espace est responsable d'un encombrement du projecteur. De plus, le moyen de liaison peut être fragilisé suite aux mouvements linéaires et suite aux mouvements par rotation se répétant dans le temps.To switch a mobile cache over a support part motor, it is known in the state of the art to use an electromagnet operating using a spring. This electromagnet is supplied with current alternative so as to cause a tilting of the flap which returns to initial position through the spring. This electromagnet generates movements of a first branch and a second branch, the first branch and the second branch being connected by a means of link. This electromagnet generates a first linear movement of the first branch while causing a tilting motion by rotation of the second branch, the second branch supporting the flap Swivel. The spring that is placed around the first branch is then stretched between a fixed point and an end of the first branch. During the return to the initial position of the flap, the first branch is moved by a second linear motion in the opposite direction of the first movement of the return to the initial position of the spring. Such a transformation of linear movements in rotational movements may need to release a space to allow the first branch and the second branch to articulate one with respect to the other. Such space is responsible for a the size of the projector. In addition, the connecting means can be weakened following the linear movements and following the rotational movements repeating in time.

Il est également connu de faire pivoter la pièce mobile par rapport à la pièce support moteur par l'intermédiaire d'un moteur à courant continu et par l'intermédiaire d'un ressort de torsion. Un tel moteur est par exemple placé dans la pièce support moteur et le ressort de torsion est interposé entre la pièce support mobile et la pièce support moteur. Un tel ressort de torsion est formé d'une partie centrale ou corps comportant une pluralité de spires, d'une première extrémité et d'une deuxième extrémité. La première extrémité et la deuxième extrémité sont placées de part et d'autre de la partie centrale tout en prolongeant cette même partie centrale. La partie centrale est positionnée autour d'un moyen de support formé sur la pièce support mobile et longitudinalement par rapport à un axe de ce moyen de support confondu avec un axe d'allongement de ce même ressort. La première extrémité et la deuxième extrémité sont placées en appui respectivement contre la pièce support mobile et contre la pièce support moteur de manière à maintenir en position active le volet pivotant. Ainsi, le moteur est réglé pour permettre de rabattre par basculement le volet pivotant depuis la position active en direction de la position passive, tout en maintenant éventuellement cette position passive du volet pivotant. Lorsqu'une alimentation du moteur est interrompue sur commande, alors le ressort permet au volet pivotant de retrouver sa position active initiale par simple rabattement du volet pivotant depuis la position passive en direction de la position active.It is also known to rotate the moving part relative to the engine support part by means of a DC motor and by via a torsion spring. Such an engine is for example placed in the engine support part and the torsion spring is interposed between the mobile support part and the engine support part. Such a torsion spring is formed of a central portion or body having a plurality of turns, a first end and a second end. The first end and the second end are placed on either side of the central part while extending this same central part. The central part is positioned around a support means formed on the movable support piece and longitudinally with respect to an axis of this confused support means with an axis of extension of the same spring. The first end and the second end are respectively placed against the piece mobile support and against the engine support part so as to maintain position activates the pivoting flap. Thus, the motor is set to allow fold down the pivoting flap from the active position direction of the passive position, while possibly maintaining this passive position of the pivoting flap. When an engine power supply is interrupted on command, then the spring allows the pivoting flap to return to its initial active position by simply folding the pivoting flap from the passive position towards the active position.

Mais, le montage de la pièce support mobile dans la pièce support moteur peut être rendu compliqué par la présence de ce ressort. En effet, le ressort de torsion est placé entre les deux pièces avec un couple de torsion entre les deux extrémités du ressort qui permet à ce même ressort de maintenir le volet pivotant en position active. Un tel couple de torsion est obtenu en faisant tourner autour de l'axe d'allongement du ressort une des extrémités par rapport à l'autre dans un sens d'enroulement des spires de la partie centrale du ressort. L'étape consistant à enrouler une des deux extrémités autour de l'axe d'allongement du ressort s'appelle une étape de pré-armage du ressort qui permet d'aboutir à un couple de torsion prédéterminé du ressort entre les deux extrémités. Ce couple de torsion est supérieur à celui nécessaire pour un ressort placé en appui contre la pièce support mobile et contre la pièce support moteur. Un tel couple de torsion du ressort nécessaire entre la pièce support mobile et la pièce support moteur correspond à un couple de torsion suffisant pour maintenir en permanence le volet pivotant en positon active. Un opérateur chargé de monter le dispositif projecteur muni d'un tel volet pivotant à ressort de torsion doit donc utiliser des outils spécifiques aptes à maintenir en place un tel ressort tout en créant un effort de torsion par enroulement d'une des deux extrémités comme précédemment décrit, le temps nécessaire pour encastrer la pièce support mobile dans la pièce support moteur.But, the mounting of the mobile support part in the support part motor can be complicated by the presence of this spring. Indeed, the torsion spring is placed between the two pieces with a torsion torque between the two ends of the spring which allows the same spring to keep the pivoting flap in the active position. Such a torsion torque is obtained by rotating around the axis of elongation of the spring one of ends with respect to each other in a winding direction the turns of the central part of the spring. The step of wrapping one of the two ends around the lengthening axis of the spring is called a step of pre-armature of the spring which leads to a torsion torque predetermined spring between the two ends. This torsion torque is greater than that required for a spring placed against the piece mobile support and against the engine support part. Such a torsion torque of the necessary spring between the movable support part and the engine support part corresponds to a sufficient torque to maintain permanently the pivoting shutter in active position. An operator responsible for mounting the device a projector equipped with such a pivoting torsion spring flap must therefore use specific tools able to maintain such a spring while creating twisting force by winding one of the two ends as previously described, the time required to embed the support piece mobile in the engine support part.

Pour placer ce ressort, des professionnels ont tenté de mettre en place des dispositifs automatisés pour maintenir en place un tel ressort enroulé. Mais jusqu'à ce jour il n'existe pas de solution satisfaisante pour placer un tel ressort préalablement enroulé entre la pièce support mobile et la pièce support moteur.To place this spring, professionals have tried to put in place automated devices to keep such a spring in place wound. But until now there is no satisfactory solution for place such a spring previously wound between the movable support piece and the engine support part.

C'est un objet de l'invention de répondre à l'ensemble des inconvénients qui viennent d'être mentionnés. A cet effet, dans l'invention, on propose un dispositif projecteur équipé d'une pièce support mobile munie d'un ergot de pré-positionnement du ressort de torsion. Dans l'invention on propose également un épaulement formé par la pièce support moteur. Le ergot de pré-positionnement est formé par la pièce support mobile à un endroit proche de la source lumineuse par rapport à un autre endroit formé par l'épaulement contre lequel est destiné à s'appuyer le ressort de torsion dans la pièce support moteur, longitudinalement par rapport à un axe horizontal de propagation du faisceau lumineux depuis une partie arrière en direction d'une partie avant du dispositif projecteur.It is an object of the invention to respond to all disadvantages just mentioned. For this purpose, in the invention, proposes a projector device equipped with a movable support piece provided a pre-positioning pin of the torsion spring. In the invention also proposes a shoulder formed by the engine support part. The pre-positioning pin is formed by the movable support piece to a place near the light source compared to another place formed by the shoulder against which is intended to rest the torsion spring in the engine support part, longitudinally with respect to an axis horizontal propagation of the light beam from a rear part in direction of a front part of the projector device.

Ainsi, lors du montage de la pièce support mobile dans la pièce support moteur, une des deux extrémités du ressort de torsion est positionnée en appui contre la pièce support mobile et l'autre extrémité est préalablement positionnée en appui également contre la pièce support mobile. Plus précisément, l'autre extrémité est placée en appui contre le ergot de pré-positionnement après enroulement de cette même extrémité selon le sens d'enroulement des spires de la partie centrale. On appelle l'étape de pré-positionnement du ressort contre le ergot de prépositionnement, une étape de pré-armage du ressort de torsion. Puis au cours du montage de la pièce support mobile dans la pièce support moteur, cette autre extrémité positionnée en appui contre le ergot est libérée du ergot pour venir se placer en appui contre l'épaulement formé par la pièce support moteur. Thus, when mounting the mobile support piece in the room motor support, one of the two ends of the torsion spring is positioned in abutment against the movable support piece and the other end is previously positioned in support also against the support piece mobile. More precisely, the other end is placed in support against the pre-positioning pin after winding of this same end according to the winding direction of the turns of the central part. We call the step of pre-positioning the spring against the prepositioning pin, a step of pre-arming the torsion spring. Then at during the assembly of the mobile support part in the engine support part, this other end positioned in abutment against the lug is released from the lug to come to rest against the shoulder formed by the support piece engine.

L'invention a tout d'abord pour objet un procédé d'assemblage d'un ressort de torsion entre une pièce fixe et une pièce mobile d'un dispositif d'éclairage et/ou de signalisation de véhicule automobile du type projecteur, comportant les étapes suivantes :

  • on positionne et on pré-arme ledit ressort sur la pièce mobile en fixant ses deux extrémités à la pièce mobile avec un couple de torsion
  • on assemble ladite pièce mobile sur la pièce fixe, assemblage au cours duquel l'une des deux extrémités du ressort se libère de la pièce mobile en prenant appui sur la pièce fixe, de façon à armer le ressort en créant un couple de torsion entre pièce fixe et pièce mobile.
The invention firstly relates to a method of assembling a torsion spring between a fixed part and a moving part of a lighting device and / or signaling of a motor vehicle of the projector type, comprising the following steps :
  • positioning and pre-arming said spring on the moving part by fixing its two ends to the moving part with a torsion torque
  • said moving part is assembled on the fixed part, an assembly in which one of the two ends of the spring is released from the moving part by bearing on the fixed part, so as to arm the spring by creating a torsional torque between the piece fixed and moving part.

L'invention permet ainsi à l'opérateur (ou au robot si l'opération d'assemblage est automatisé) de pouvoir plus aisément assembler la pièce mobile à la pièce fixe par l'intermédiaire du ressort, avec un armage correct et simultané du ressort, grâce à cette étape préalable de pré-armage.The invention thus allows the operator (or the robot if the operation assembly is automated) to be able to assemble the part more easily mobile to the fixed part via the spring, with a correct arming and simultaneous spring, thanks to this prior pre-weave step.

Avantageusement, la pièce mobile comporte un ergot de pré-armage contre lequel s'appuie une des extrémités du ressort lors de l'assemblage. L'opérateur ou la machine peut donc pré-armer le ressort par rapport à une seule pièce, ce qui est facilement réalisable. De préférence, l'ergot de pré-armage comporte au moins une zone chanfreinée. Cette zone à chanfrein permet de guider l'extrêmité du ressort à fixer sur l'ergot, de façon à faciliter/garantir son positionnement correct.Advantageously, the moving part comprises a pre-winding pin against which rests one of the ends of the spring during assembly. The operator or the machine can pre-arm the spring with respect to a single piece, which is easily achievable. Preferably, the pre-wrap pin has at least one chamfered area. This chamfered area allows to guide the end of the spring to fix on the pin, so as to facilitate / guarantee correct positioning.

Avantageusement, la pièce mobile comporte aussi un ergot fonctionnel comportant au moins une butée. On comprend par ergot « fonctionnel » l'ergot qui va maintenir l'autre extrémité du ressort aussi bien dans la phase de pré-armage que dans le projecteur assemblé et terminé, par opposition à l'ergot de pré-armage qui, une fois l'assemblage terminé, n'a plus de fonction dans le projecteur fini.Advantageously, the moving part also comprises a pin functional having at least one stop. We understand by ergot "Functional" the lug that will hold the other end of the spring as well in the pre-arming phase only in the assembled and finished projector, as opposed to the pre-wrap pin which, once assembly is complete, has more function in the finished projector.

De préférence, la pièce mobile comporte un moyen de support du corps du ressort comportant une portion de cylindre faisant saillie et munie de moyens de retenue du corps du ressort après armage. Ces moyens de retenue sont par exemple sous la forme d'une collerette, ou d'une ou plusieurs butées, disposée(s) radialement au bord ou à proximité du bord extérieur de la portion de cylindre.Preferably, the moving part comprises a support means of the spring body having a cylinder portion projecting and provided retaining means of the spring body after arming. These means of retentions are for example in the form of a collar, or one or several stops arranged radially at the edge or near the edge outside the cylinder portion.

On adapte alors les dimensions et les caractéristiques du ressort, de façon à ce qu'on puisse l'insérer autour de cette portion de cylindre et qu'il y soit maintenu : le corps du ressort non armé a de préférence un diamètre supérieur au diamètre apparent de la portion de cylindre dans la zone où sont disposés les moyens de retenue de type collerette ou butée(s), et un diamètre inférieur audit diamètre apparent une fois qu'on l'a armé. On comprend par diamètre « apparent » le diamètre du cercle virtuel dans la zone munie des moyens de retenue et qui passe par les bords les plus éloignés radialement du corps du cylindre desdits moyens du type butée(s) ou collerette. Le diamètre réel du cylindre est choisi similaire au diamètre du corps du ressort armé.We then adapt the dimensions and characteristics of the spring, so that it can be inserted around this portion of the cylinder and that there be maintained: the unreinforced spring body preferably has a diameter greater than the apparent diameter of the cylinder portion in the area where the retaining means of the collar or abutment type are arranged, and a diameter less than said apparent diameter once it is armed. We includes by "apparent" diameter the diameter of the virtual circle in the area provided with restraining means and which passes through the edges most radially away from the cylinder body of said stop means (s) or collar. The actual diameter of the cylinder is chosen similar to the diameter of the body of the armed spring.

De façon générale, le ressort selon l'invention permet un mouvement relatif entre une pièce mobile choisie parmi un cache pivotant, un filtre de type filtre infra-rouge, un réflecteur, un module optique, et une pièce fixe du type pièce support.In general, the spring according to the invention allows a movement relative to a moving part chosen from a pivoting cover, a filter of type infra-red filter, a reflector, an optical module, and a fixed part of type support part.

L'invention a également pour objet un dispositif d'éclairage et/ou de signalisation pour véhicule automobile, du type projecteur, comportant au moins une pièce fixe par rapport à une pièce mobile, et un ressort de torsion dont l'une des extrémités du ressort est maintenue sur la pièce mobile par un ergot fonctionnel muni d'une butée au moins et dont l'autre extrémité est maintenue à la pièce fixe, le corps du ressort étant maintenu par un moyen de support comportant une portion de cylindre faisant saillie et munie de moyens de retenue du corps du ressort. La dite pièce mobile peut comprendre l'ergot de pré-amarge et les moyens de retenue décrits plus haut.The invention also relates to a lighting device and / or signaling for a motor vehicle, of the projector type, comprising at least minus a fixed part relative to a moving part, and a torsion spring one of the ends of the spring is held on the moving part by a functional pin with at least one stop and the other end of which is maintained at the fixed part, the body of the spring being held by a means support having a cylinder portion projecting and provided with retaining means of the spring body. The said moving part can to understand the pre-amarge pin and the retaining means described more high.

L'invention a également pour objet le véhicule comprenant l'un au moins de ces dispositifs.The subject of the invention is also the vehicle comprising one less of these devices.

L'invention sera décrite à l'aide d'un exemple suivant non limitatif : elle peut s'appliquer à un dispositif projecteur à volet pivotant comportant

  • une source lumineuse, produisant notamment un faisceau lumineux émis au niveau d'une partie arrière en direction d'une partie avant du dispositif le long d'un axe horizontal de propagation du faisceau lumineux,
  • une pièce de support moteur munie d'un moteur pour entraíner en rotation un pignon de sortie moteur,
  • une pièce de support mobile portant au moins un volet pivotant et supportant une roue dentée formant engrenage avec le pignon du moteur (ou tout autre moyen mécanique pour que le moteur entraíne le mouvement du volet), la pièce support mobile étant destinée à basculer par rapport à la pièce support moteur entre au moins deux positions différentes,
  • un ressort de torsion placé entre la pièce support moteur et la pièce support mobile, ledit ressort étant destiné à maintenir le volet pivotant selon la position active, ledit ressort de torsion comportant une partie centrale formant une pluralité de spires, une première extrémité et une deuxième extrémité, la partie centrale étant prolongée de part et d'autre de cette même partie centrale par la première extrémité et par la deuxième extrémité, la première extrémité et la deuxième extrémité étant placées en appui contre la pièce support mobile et contre la pièce support moteur respectivement, et la partie centrale étant positionnée autour d'un moyen de support formé par la pièce support mobile, tel que
  • la pièce support moteur comporte un épaulement d'appui du ressort et la pièce de support mobile comporte un ergot de pré-positionnement du ressort, la deuxième extrémité du ressort étant placée en appui contre le ergot de pré-positionnement ou pré-armage du ressort préalablement à l'insertion de la pièce support mobile dans la pièce support moteur,
  • la pièce support mobile est insérée dans la pièce support moteur de telle manière que la deuxième extrémité du ressort est placée en appui contre l'épaulement, et l'ergot de pré-positionnement est placé, notamment à un endroit proche de la source lumineuse par rapport à l'axe horizontal de propagation, l'épaulement étant notamment placé par rapport à l'ergot de pré-positionnement et par rapport à ce même axe horizontal de propagation à un endroit éloigné de la source lumineuse.
The invention will be described with the aid of a following non-limiting example: it can be applied to a rotating shutter device comprising:
  • a light source, producing in particular a light beam emitted at a rear part towards a front part of the device along a horizontal axis of propagation of the light beam,
  • an engine support part provided with a motor for rotating an engine output gear,
  • a movable support member carrying at least one pivoting flap and supporting a toothed gear gear with the motor gear (or any other mechanical means for the motor causes the movement of the flap), the movable support piece being intended to tilt relative at the engine support part between at least two different positions,
  • a torsion spring placed between the engine support part and the movable support part, said spring being intended to hold the pivoting flap in the active position, said torsion spring comprising a central part forming a plurality of turns, a first end and a second one; end, the central portion being extended on either side of the same central portion by the first end and the second end, the first end and the second end being placed in abutment against the movable support piece and against the engine support piece respectively, and the central portion being positioned around a support means formed by the movable support piece, such that
  • the engine support part comprises a bearing shoulder of the spring and the movable support piece comprises a pre-positioning pin of the spring, the second end of the spring being placed in abutment against the pre-positioning pin or pre-arming spring before the insertion of the mobile support part into the engine support part,
  • the movable support piece is inserted into the engine support part in such a way that the second end of the spring is placed in abutment against the shoulder, and the pre-positioning pin is placed, in particular at a location close to the light source by relative to the horizontal axis of propagation, the shoulder being in particular placed relative to the pre-positioning pin and with respect to this same horizontal axis of propagation at a place remote from the light source.

L'invention permet avantageusement de pouvoir disposer le ressort de torsion sur la pièce support mobile préalablement au montage de la pièce support mobile dans la pièce support moteur de façon fixe, sans jeu, de disposer une pièce support mobile équipée du ressort de torsion sans risquer de perdre le ressort de torsion par glissement du ressort le long du moyen de support. De fait, l'invention permet aussi de pouvoir entreposer très facilement une telle pièce support mobile munie du ressort de torsion.The invention advantageously makes it possible to dispose the spring of torsion on the mobile support part before assembly of the part movable support in the engine support part in a fixed manner, without play, of have a mobile support piece equipped with the torsion spring without risking to lose the torsion spring by sliding the spring along the means of support. In fact, the invention also makes it possible to store very easily such a movable support member provided with the torsion spring.

Dans une variante de l'invention, le moyen support autour duquel est placée la partie centrale du ressort forme une collerette de butée, continue ou discontinue. Cette collerette de butée permet avantageusement d'empêcher le ressort de s'échapper du moyen support après que l'une des deux extrémités ait été enroulée autour de l'axe d'allongement du ressort comme précédemment mentionné.In a variant of the invention, the support means around which is placed the central part of the spring forms a stop collar, continuous or discontinuous. This stop collar advantageously allows prevent the spring from escaping from the support means after one of the two ends have been wound around the axis of elongation of the spring as previously mentioned.

L'invention permet avantageusement de pré-armer le ressort de torsion directement sur la pièce support mobile sans que le ressort de torsion ne soit susceptible de s'échapper de cette même pièce.The invention advantageously makes it possible to pre-arm the spring of twist directly on the moving support piece without the torsion spring is likely to escape from that same room.

Un exemple du procédé de montage selon l'invention d'un tel dispositif à volet pivotant, comporte des étapes consistant à

  • installer la partie centrale du ressort sur le moyen de support de la pièce support mobile,
  • placer en appui contre la pièce support mobile la première extrémité du ressort,
  • positionner la deuxième extrémité du ressort en appui contre le ergot de pré-positionnement/pré-armage de la pièce support mobile en effectuant une rotation de la deuxième extrémité autour du moyen de support dans un sens d'enroulement des spires de la partie centrale et tout en passant par dessus le ergot de pré-positionnement, et
  • placer la pièce support mobile ainsi munie du ressort dans la pièce support moteur de telle manière que le volet pivotant bascule autour d'un axe de rotation de la pièce support mobile par rapport à la pièce support moteur entre la position active et la position passive.
An example of the mounting method according to the invention of such a device with a pivoting flap comprises steps consisting in
  • install the central part of the spring on the support means of the mobile support piece,
  • placing against the movable support part the first end of the spring,
  • positioning the second end of the spring bearing against the pre-positioning / pre-arming pin of the movable support piece by rotating the second end around the support means in a winding direction of the turns of the central portion and while passing over the pre-positioning pin, and
  • placing the movable support piece thus provided with the spring in the engine support part such that the pivoting flap tilts about an axis of rotation of the movable support part relative to the engine support part between the active position and the passive position.

Ce mode de réalisation sera mieux compris à la lecture de la description qui suit et à l'examen des figures qui l'accompagnent. Celles-ci ne sont présentées qu'à titre indicatif et nullement limitatif de l'invention :

  • Figure 1 : Une représentation schématique d'un mécanisme de projecteur selon l'invention ;
  • Figure 2 : Une représentation schématique d'une pièce support moteur, selon l'invention ;
  • Figure 3 : Une représentation schématique d'une pièce support mobile, selon l'invention ;
  • Figure 4 : Une représentation schématique d'un ressort de torsion, selon l'invention ;
  • Figure 5 : Une représentation schématique d'un grossissement d'un endroit où est placé en appui un ressort de torsion dans une pièce support moteur, selon l'invention ;
  • Figure 6 : Une représentation schématique d'une coupe transversale d'une pièce support mobile et du ressort de torsion, selon l'invention ;
  • Figure 7 : Une représentation schématique d'une pièce support mobile équipée d'un ressort de torsion, selon l'invention ;
  • Figure 8 : Une représentation schématique d'une position d'un ressort de torsion selon une vue extérieure d'une pièce support moteur, selon l'invention, et
  • Figure 9 : Une représentation schématique d'une pièce support mobile, selon une variante de l'invention.
This embodiment will be better understood by reading the following description and examining the figures that accompany it. These are presented only as an indication and in no way limitative of the invention:
  • Figure 1: A schematic representation of a projector mechanism according to the invention;
  • Figure 2: A schematic representation of a motor support part, according to the invention;
  • Figure 3: A schematic representation of a movable support part, according to the invention;
  • Figure 4: A schematic representation of a torsion spring, according to the invention;
  • Figure 5: A schematic representation of a magnification of a place where is placed in support a torsion spring in a motor support part, according to the invention;
  • Figure 6: A schematic representation of a cross section of a movable support member and the torsion spring, according to the invention;
  • Figure 7: A schematic representation of a movable support member equipped with a torsion spring, according to the invention;
  • Figure 8: A schematic representation of a position of a torsion spring according to an external view of a motor support part, according to the invention, and
  • Figure 9: A schematic representation of a movable support part, according to a variant of the invention.

La figure 1 illustre un dispositif projecteur 1 à volet pivotant comportant une source lumineuse 2, une pièce de support moteur fixe 3, une pièce de support mobile 4, et un ressort de torsion 5, selon l'invention.FIG. 1 illustrates a projector device 1 with a pivoting shutter comprising a light source 2, a fixed engine support part 3, a piece of mobile support 4, and a torsion spring 5, according to the invention.

La source lumineuse 2 produit un faisceau lumineux émis au niveau d'une partie arrière 6 en direction d'une partie avant 7 du dispositif le long d'un axe horizontal 23 de propagation du faisceau lumineux, la partie avant 7 étant opposée à la partie arrière 6. Cet axe horizontal 23 forme une direction principale d'éclairage du dispositif projecteur.The light source 2 produces a light beam emitted at of a rear portion 6 towards a front portion 7 of the device along of a horizontal axis 23 of propagation of the light beam, the front part 7 being opposed to the rear portion 6. This horizontal axis 23 forms a direction main lighting device projector.

La figure 2 et la figure 3 illustrent respectivement une pièce support moteur 3 et une pièce support mobile 4. Chacune de ces pièces 3 et 4 peut être réalisée suite à un moulage d'un matériau plastique. Ou bien chacune de ces pièces 3 et 4 peut être réalisée en un matériau métallique.Figure 2 and Figure 3 respectively illustrate a support part motor 3 and a movable support part 4. Each of these parts 3 and 4 may to be performed following a molding of a plastic material. Or each these parts 3 and 4 can be made of a metallic material.

La pièce de support moteur fixe 3 est munie d'un moteur (non représenté). Ce moteur est destiné à entraíner en rotation un pignon de sortie moteur (non représenté).The fixed engine support part 3 is provided with a motor (no represent). This motor is intended to drive in rotation a pinion of motor output (not shown).

La pièce support mobile 4 est formée d'une armature 8. Cette armature 8 est destinée à porter au moins un volet pivotant (non représenté). Cette armature 8 est destinée à supporter également une roue dentée 9. Cette roue dentée 9 forme un engrenage avec le pignon du moteur tout en entraínant un basculement de la pièce support mobile 4 par rapport à la pièce support moteur 3. La pièce support mobile 4 bascule par rapport à la pièce support moteur 3 depuis une position active dans laquelle le volet intercepte au moins une partie du faisceau lumineux émis par la source lumineuse 2 jusqu'à une position passive où le même volet n'intercepte pas le faisceau lumineux. Le basculement de la pièce support mobile 4 par rapport à la pièce support moteur est représenté par une flèche figure 1. Ce basculement s'effectue autour d'un axe 30 de rotation.The mobile support part 4 is formed of a frame 8. This armature 8 is intended to carry at least one pivoting flap (not shown). This armature 8 is intended to also support a toothed wheel 9. This toothed wheel 9 forms a gear with the motor gear while causing a tilting of the mobile support part 4 with respect to the motor support part 3. The mobile support part 4 tilts with respect to the engine support part 3 from an active position in which the shutter intercepts at least a portion of the light beam emitted by the source luminous 2 to a passive position where the same shutter does not intercept the light beam. Tilting of the mobile support part 4 by relative to the engine support part is represented by an arrow figure 1. This tilting takes place around a 30 axis of rotation.

La figure 4 illustre une représentation schématique du ressort de torsion 5 selon l'invention. Un tel ressort 5 comporte une partie centrale 10, une première extrémité 11 et une deuxième extrémité 12. La partie centrale 10 est formée par une pluralité de spires 13 enroulées autour d'un axe 14 d'allongement du ressort 5. Le ressort est positionné sur la pièce support mobile avec sa première extrémité 11 en appui contre la pièce support mobile 4 et sa partie centrale 10 placée autour d'un moyen de support 26, 27 formé par la pièce support mobile et le long de l'axe 14 d'allongement du ressort. La deuxième extrémité 12 est destinée à être placée en appui contre la pièce support moteur 3. Ce ressort de torsion 5 est ainsi placé entre la pièce support moteur 3 et la pièce support mobile 4 de telle manière que le ressort joue un rôle de ressort de rappel maintenant en permanence la pièce support mobile 4 selon la position active.Figure 4 illustrates a schematic representation of the spring of torsion 5 according to the invention. Such a spring 5 comprises a central portion 10, a first end 11 and a second end 12. The central portion 10 is formed by a plurality of turns 13 wound around an axis 14 extension of the spring 5. The spring is positioned on the support piece mobile with its first end 11 bearing against the support piece mobile 4 and its central portion 10 placed around a support means 26, 27 formed by the movable support piece and along the lengthening axis 14 of the spring. The second end 12 is intended to be placed in abutment against the engine support part 3. This torsion spring 5 is thus placed between the motor support part 3 and the mobile support part 4 in such a way that the spring plays a role of return spring now permanently the piece mobile support 4 according to the active position.

Selon l'invention, la pièce support moteur 3 comporte un épaulement 15 d'appui du ressort 5 et la pièce de support mobile 4 comporte un ergot de pré-positionnement 16 du ressort, figures 1, 2, 3 et 5. Le ergot de prépositionnement 16 permet à la deuxième extrémité 12 du ressort d'être placée en appui contre ce même ergot 16 préalablement à l'insertion de la pièce support mobile dans la pièce support moteur. Selon l'invention, la pièce support mobile 4 s'insère dans la pièce support moteur 4 de telle manière que la deuxième extrémité 12 du ressort est placée en appui contre l'épaulement 15. La pièce support mobile est insérée de telle manière que la pièce support mobile présente le ergot de pré-positionnement 16 placé à un endroit proche de la source lumineuse 2 par rapport à l'axe horizontal 23 de propagation, l'épaulement 15 étant placé par rapport au ergot de prépositionnement 16 et par rapport à ce même axe horizontal 23 à un endroit éloigné de la source lumineuse 2, figures 2, 3 et 5.According to the invention, the engine support part 3 comprises a shoulder 15 of the spring 5 and the movable support piece 4 comprises a pin of pre-positioning 16 of the spring, Figures 1, 2, 3 and 5. The prepositioning pin 16 allows the second end 12 of the mainspring to be placed in support against the same lug 16 prior to insertion of the mobile support part in the engine support part. According to the invention, the piece mobile support 4 fits into the engine support part 4 in such a way that the second end 12 of the spring is placed in abutment against the shoulder 15. The movable support piece is inserted in such a way that the mobile support piece has the pre-positioning pin 16 placed at a near the light source 2 with respect to the horizontal axis 23 of propagation, the shoulder 15 being placed relative to the prepositioning pin 16 and with respect to that same horizontal axis 23 at one place away from the light source 2, Figures 2, 3 and 5.

L'épaulement 15 est formé par la pièce support moteur 3, figures 2 et 5. La figure 5 représente un agrandissement d'un endroit de la pièce support moteur 3 où est positionné le ressort de torsion 5 du dispositif projecteur 1 selon l'invention. La pièce support moteur 3 forme un boítier avec une paroi périphérique 17 et un fond 18, la paroi périphérique 17 et le fond 18 délimitant une cavité 19. Le fond 18 forme un plan perpendiculaire à un plan formé par la paroi périphérique 19. Cette pièce support moteur 3 comporte un logement 20 pour accueillir le moteur, un évidemment 21 destiné à recevoir la roue dentée 9. Et enfin la pièce support fixe 3 peut comporter un réceptacle 22 destiné à recevoir spécifiquement une carte électronique (non représentée) reliée au moteur pour commander sa mise en marche.The shoulder 15 is formed by the engine support part 3, FIGS. 5. Figure 5 shows an enlargement of a location of the support part motor 3 where is positioned the torsion spring 5 of the projector device 1 according to the invention. The engine support part 3 forms a housing with a wall peripheral 17 and a bottom 18, the peripheral wall 17 and the bottom 18 delimiting a cavity 19. The bottom 18 forms a plane perpendicular to a plane formed by the peripheral wall 19. This engine support part 3 comprises a housing 20 to accommodate the engine, obviously a 21 intended for receiving the toothed wheel 9. And finally the fixed support part 3 may comprise a receptacle 22 intended specifically to receive an electronic card (no shown) connected to the motor to control its start.

L'épaulement 15 est formé à un endroit de la paroi périphérique 17 de la pièce support moteur 3, figures 2 et 5. Cet épaulement 15 correspond à une protubérance s'étendant à partir de la paroi 17 en direction de la cavité 19 de la pièce support moteur 3. Cet épaulement 15 forme une première surface 24 contre laquelle s'appuie la deuxième extrémité 12 du ressort. Cette première surface 24 forme une surface d'appui de la deuxième extrémité 12 du ressort 5 et est représentée par une surface mouchetée figure 5.The shoulder 15 is formed at a location on the peripheral wall 17 of the engine support part 3, FIGS. 2 and 5. This shoulder 15 corresponds to a protrusion extending from the wall 17 towards the cavity 19 of the engine support part 3. This shoulder 15 forms a first surface 24 against which rests the second end 12 of the spring. This first surface 24 forms a bearing surface of the second end 12 of the spring 5 and is represented by a speckled surface figure 5.

Le ergot de pré-positionnement 16 est formé à partir de l'armature 8 de la pièce support mobile 4, figures 3 et 5. Le ergot 16 forme une saillie s'étendant à partir de l'armature 8 perpendiculairement par rapport à l'axe horizontal 23 de propagation du faisceau lumineux et parallèlement par rapport au plan formé par le fond 18 de la pièce support moteur 3. Le ergot de pré-positionnement 16 forme une deuxième surface d'appui 25 contre laquelle s'appuie la deuxième extrémité 12 du ressort préalablement à l'insertion de la pièce support mobile 4 dans la pièce support moteur 3. La première surface 24 et la deuxième surface 25 sont placées respectivement dans un premier plan et dans un deuxième plan, le premier plan et le deuxième plan étant perpendiculaires à l'axe 23 horizontal de propagation. Le premier plan est éloigné de la source lumineuse 2 et le deuxième plan est proche de cette même source lumineuse 2.The pre-positioning pin 16 is formed from the frame 8 of the mobile support part 4, FIGS. 3 and 5. The lug 16 forms a projection extending from the armature 8 perpendicular to the axis horizontal 23 of propagation of the light beam and parallel by relative to the plane formed by the bottom 18 of the engine support part 3. The ergot pre-positioning 16 forms a second bearing surface against which supports the second end 12 of the spring prior to the insertion of the mobile support part 4 into the engine support part 3. The first surface 24 and the second surface 25 are placed respectively in a foreground and in a second plane, the foreground and the second plane being perpendicular to the horizontal axis 23 of propagation. The foreground is away from light source 2 and the second plane is close to this same light source 2.

La pièce support mobile 4 est fixée à la pièce support moteur 3 par l'intermédiaire d'une première tige 26 et par l'intermédiaire d'une deuxième tige 27. Une des deux tiges forme un centre de la roue dentée 9. La première tige 26 et la deuxième tige 27 sont destinées à être placées dans des moyens de rétention 28 et 29 formés par la pièce support moteur 4. Ces moyens de rétention peuvent être des méats à ouverture élastique comme représenté figure 2. Une fois que la pièce support mobile 4 a été placée dans la pièce support moteur 3 par l'intermédiaire de ces tiges 26 et 27 dans les moyens de rétentions 28 et 29, la pièce support mobile 4 peut basculer depuis la position active en direction de la position passive et inversement. Le basculement de la pièce support mobile 4 en direction de la position passive et le basculement de cette même pièce support mobile en direction de la position active s'effectue autour de l'axe de rotation 30 passant par les deux tiges 26 et 27. Cet axe de rotation 30 peut être perpendiculaire à l'axe horizontal 23 et parallèle au plan formé par le fond 18 de la pièce support moteur 3, comme illustré figure 1. Ou bien cet axe de rotation 30 peut être parallèle ou oblique par rapport à l'axe horizontal 23.The mobile support part 4 is fixed to the engine support part 3 by via a first rod 26 and via a second 27. One of the two rods forms a center of the toothed wheel 9. The first rod 26 and the second rod 27 are intended to be placed in retention means 28 and 29 formed by the engine support part 4. These means of retention may be elastic opening meatus as Figure 2. Once the mobile support part 4 has been placed in the engine support part 3 via these rods 26 and 27 in the retaining means 28 and 29, the movable support part 4 can switch from the active position towards the passive position and vice versa. The tilting of the mobile support part 4 towards the position passive and the tilting of this same piece moving support in the direction the active position is made around the axis of rotation 30 passing through the two rods 26 and 27. This axis of rotation 30 may be perpendicular to the axis horizontal 23 and parallel to the plane formed by the bottom 18 of the support piece motor 3, as shown in FIG. 1. Or this axis of rotation 30 can be parallel or oblique to the horizontal axis 23.

Le basculement de la pièce support mobile 4 en direction de la position passive et le basculement de cette même pièce support mobile en direction de la position active sont stoppés par appui respectivement d'une butée avant 31 et d'une butée arrière 32 contre la pièce support moteur 3.Tilting of the mobile support part 4 towards the passive position and the tilting of this same mobile support piece into direction of the active position are stopped by respectively supporting a front stop 31 and a rear stop 32 against the engine support part 3.

En effet, la pièce support mobile comporte une butée avant 31 et une butée arrière 32. La butée avant 31 est placée à un endroit de la pièce support mobile 4 éloignée de la source lumineuse 2 par rapport à un autre endroit où est formée la butée arrière 32 sur la même pièce support mobile 4. La pièce support mobile 4 peut alors être positionnée selon une position active prédéterminée tout en étant en appui contre la pièce support moteur 3 par l'intermédiaire de la butée arrière 32. La pièce support mobile 4 peut aussi être positionnée selon une position passive prédéterminée tout en étant en appui contre la pièce support moteur par l'intermédiaire de la butée avant 31. Dans l'exemple figure 1, l'armature 8 forme un cadre qui est placé dans un plan perpendiculaire à l'axe horizontal 23 en position active du volet et qui est placé dans un autre plan parallèle à l'axe horizontal 23 en position passive du même volet.Indeed, the movable support piece has a stop before 31 and a backstop 32. Front stop 31 is placed at a point in the room mobile support 4 remote from the light source 2 with respect to another where the backstop 32 is formed on the same movable support part 4. The mobile support part 4 can then be positioned according to a position active predetermined while bearing against the engine support part 3 through the backstop 32. The movable support part 4 can also be positioned according to a predetermined passive position while being in abutment against the engine support part via the abutment before 31. In the example 1, the frame 8 forms a frame which is placed in a plane perpendicular to the horizontal axis 23 in the active position of the shutter and which is placed in another plane parallel to the horizontal axis 23 in position passive of the same component.

Le moyen de support 26, 27 autour duquel s'insère la partie centrale 10 du ressort de torsion 5 peut former une excroissance cylindrique, figure 6. Ce moyen de support peut être formé par l'une ou l'autre tiges 26 ou 27. Dans l'exemple figure 1, la première tige 26 forme préférentiellement le moyen de support du ressort tandis que la deuxième tige 27 forme un centre de la roue dentée 9. Ce moyen de support peut comporter avantageusement une collerette d'arrêt 37 définissant un premier diamètre 38 de l'excroissance à un endroit où est formé la collerette 37 supérieur à un deuxième diamètre 39 formé par la partie centrale 10 du ressort lorsque la deuxième extrémité 12 du ressort est placée en appui contre le ergot de prépositionnement 16 et/ou lorsque la deuxième extrémité 12 du ressort est placée en appui contre l'épaulement 15. Ce deuxième diamètre 39 est supérieur à un troisième diamètre 40 formé par le reste du moyen de support.The support means 26, 27 around which the central portion is inserted 10 of the torsion spring 5 can form a cylindrical protrusion, FIG. This support means may be formed by one or the other rods 26 or 27. In the example in FIG. 1, the first rod 26 preferentially forms the spring support means while the second rod 27 forms a center of the toothed wheel 9. This support means may advantageously comprise a stop flange 37 defining a first diameter 38 of the outgrowth at a location where the flange 37 is formed greater than a second diameter 39 formed by the central portion 10 of the spring when the second end 12 of the spring is placed in abutment against the prepositioning pin 16 and / or when the second end 12 of the spring is placed in abutment against the shoulder 15. This second diameter 39 is greater than a third diameter 40 formed by the rest of the support means.

La première extrémité 11 et la deuxième extrémité 12 peuvent former respectivement une première boucle 33 et une deuxième boucle 34, figure 4. La première boucle 33 est destinée à venir s'encercler autour d'un ergot 35 formé par la pièce support mobile 4, figure 7. Et la deuxième boucle 34 peut être destinée à venir se loger dans un orifice 36 formé à travers l'épaulement 15, figure 5. En effet, l'épaulement 15 peut être percé d'un orifice 36, figures 5, 8. La figure 8 représente une vue schématique de la pièce support moteur du dispositif projecteur 1 vue de côté et vue externe. L'orifice 36 traverse au moins partiellement la paroi 17 depuis la cavité 19 en direction de l'extérieur de la pièce support moteur. Dans le cas où cet orifice 36 traverse entièrement la paroi 7, comme illustré figures 5, 8, il est avantageusement possible de vérifier que la pièce support mobile 4 est correctement positionnée après montage de la pièce support mobile 4 dans la pièce support moteur 3. En effet, après montage de la pièce support mobile 4 dans la pièce support moteur 3, il est possible d'apercevoir la deuxième boucle 34 de la deuxième extrémité 12 du ressort au travers de l'orifice 36 depuis l'extérieur de la pièce support moteur 3.The first end 11 and the second end 12 may form respectively a first loop 33 and a second loop 34, FIG. The first loop 33 is intended to encircle a lug 35 formed by the movable support part 4, FIG. 7. And the second loop 34 can be intended to be housed in a hole 36 formed through the shoulder 15, FIG. 5. Indeed, the shoulder 15 can be pierced with an orifice 36, FIGS. 5, 8. Figure 8 shows a schematic view of the engine support part projector device 1 side view and external view. The orifice 36 passes through less partially the wall 17 from the cavity 19 towards the outside the engine support part. In the case where this orifice 36 passes through completely the wall 7, as illustrated in FIGS. 5, 8, it is advantageously possible to verify that the mobile support part 4 is correctly positioned after mounting the mobile support part 4 in the room 3. In fact, after mounting the mobile support part 4 in the engine support part 3, it is possible to see the second loop 34 of the second end 12 of the spring through the orifice 36 since the outside of the engine support part 3.

La figure 1 illustre un dispositif projecteur 1 dans lequel le volet pivotant forme un cache amovible pour permettre de réaliser un projecteur feux de croisements/feux de route. Ce cache est alors placé dans une armature formant un cadre comme représenté figures 1 et 3. Mais le dispositif projecteur pourrait former un volet pivotant formant un filtre infrarouge. Dans ce cas, l'armature peut former une plaque 41 repliée sur elle-même pour former une barrette s'étendant entre les deux tiges avec en coupe transversale une forme en U, comme représenté figure 9.FIG. 1 illustrates a projector device 1 in which the shutter swivel forms a removable cover to allow for a projector low beam / high beam. This cache is then placed in a framework forming a frame as shown in Figures 1 and 3. But the projector device could form a pivoting flap forming a filter infrared. In this case, the armature can form a plate 41 folded on itself to form a bar extending between the two rods with cross section a U-shaped, as shown in Figure 9.

Un véhicule automobile peut être aisément et avantageusement équipé d'un tel dispositif projecteur selon l'invention.A motor vehicle can be easily and advantageously equipped with such a projector device according to the invention.

Le procédé de montage du dispositif projecteur à volet pivotant selon l'invention peut être réalisé de la manière suivante. Tout d'abord, la partie centrale 10 du ressort 5 est installée sur le moyen de support 26 de la pièce support mobile 4. Plus précisément, on place la partie centrale 10 du ressort autour de la première tige 26. Puis la première extrémité 11 du ressort est placée en appui contre la pièce support mobile 4. Pour placer cette première extrémité 11, on place la première boucle 33 autour de l'ergot 35. Puis, un mouvement de rotation de la deuxième extrémité 12 autour de la première tige 26 est réalisé dans un sens d'enroulement des spires de la partie centrale 10. Ce mouvement de rotation de la deuxième extrémité 12 autour de la première tige 26 est représenté par une flèche figure 4. Ce mouvement de rotation de la deuxième extrémité 12 autour de la première tige 26 réalisé dans le sens d'enroulement des spires de la partie centrale 10 s'effectue autour de l'axe 4 d'allongement du ressort tout en passant par dessus l'ergot 35 et par dessus le ergot de pré-positionnement 16, figure 7.The method of mounting the flap projector device according to the invention can be realized as follows. First, the part center 10 of the spring 5 is installed on the support means 26 of the workpiece mobile support 4. More precisely, the central part 10 of the spring is placed around the first rod 26. Then the first end 11 of the spring is placed against the movable support part 4. To place this first end 11, we place the first loop 33 around the pin 35. Then, a rotational movement of the second end 12 around the first rod 26 is made in a winding direction of the turns of the part central 10. This rotational movement of the second end 12 around of the first rod 26 is represented by an arrow Figure 4. This movement of rotation of the second end 12 around the first rod 26 made in the winding direction of the turns of the central portion 10 is effected around the axis 4 of elongation of the spring while passing over the ergot 35 and over the pre-positioning pin 16, FIG.

Et enfin, la pièce support mobile 4 ainsi munie du ressort 5 est insérée dans la pièce support moteur 3 en insérant la première tige 26 et la deuxième tige 27 dans les méats correspondants formés dans la pièce support moteur 3. La pièce support mobile est plus précisément insérée dans la pièce support moteur de telle manière que le volet pivotant bascule entre la position active et la position passive autour de l'axe de rotation 30.And finally, the mobile support part 4 thus provided with the spring 5 is inserted in the engine support part 3 by inserting the first rod 26 and the second rod 27 in the corresponding meatus formed in the room 3. The mobile support part is more precisely inserted in the engine support part in such a way that the pivoting flap switches between the active position and the passive position around the axis of rotation 30.

Lors de l'insertion de la pièce support mobile 4 dans la pièce support moteur 3, la deuxième extrémité 12 du ressort 5 est d'abord placée en appui contre la deuxième surface 25 formée par le ergot 16 de pré-positionnement. Puis cette deuxième extrémité 12 est placée en appui contre la première surface 24 formé par l'épaulement 15 au cours de l'insertion de la première tige 26 et de la deuxième tige 27 de la pièce support mobile 4 dans les méats 28 et 29 correspondants formés par la pièce support moteur 3. Le ergot 16 est positionné par rapport à l'épaulement 15 de telle manière que le ergot permet à la deuxième extrémité 12 du ressort de se libérer de la deuxième surface 25 d'appui pour se placer en appui contre la première surface d'appui 24. Le ressort ainsi positionné entre la pièce support mobile et la pièce support moteur rappelle en permanence le volet pivotant selon la position active.When inserting the mobile support part 4 into the support part motor 3, the second end 12 of the spring 5 is first placed in support against the second surface 25 formed by the pre-positioning pin 16. Then this second end 12 is placed in abutment against the first surface 24 formed by the shoulder 15 during the insertion of the first rod 26 and the second rod 27 of the mobile support part 4 in the meatus 28 and 29 corresponding formed by the engine support part 3. The lug 16 is positioned relative to the shoulder 15 in such a way that the lug allows the second end 12 of the spring to free itself from the second support surface 25 to bear against the first surface 24. The spring thus positioned between the movable support part and the engine support part constantly reminds the pivoting flap according to the active position.

La pièce support mobile 4 est avantageusement réversiblement insérée dans la pièce support moteur 3. Le dispositif projecteur 1 est alors avantageusement réversiblement démontable.The mobile support part 4 is advantageously reversibly inserted in the engine support part 3. The projector device 1 is then advantageously reversibly removable.

Claims (13)

Procédé d'assemblage d'un ressort de torsion (5) entre une pièce fixe (3) et une pièce mobile (4) d'un dispositif d'éclairage et/ou de signalisation de véhicule automobile du type projecteur, comportant les étapes suivantes : on positionne et on pré-arme ledit ressort sur la pièce mobile en fixant ses deux extrémités à la pièce mobile avec un couple de torsion on assemble ladite pièce mobile (4) sur la pièce fixe (3), assemblage au cours duquel l'une des deux extrémités du ressort (5) se libère de la pièce mobile en prenant appui sur la pièce fixe, de façon à armer le ressort en créant un couple de torsion entre pièce fixe et pièce mobile. A method of assembling a torsion spring (5) between a fixed part (3) and a moving part (4) of a lighting device and / or signaling of a motor vehicle of the projector type, comprising the following steps : positioning and pre-arming said spring on the moving part by fixing its two ends to the moving part with a torsion torque said movable part (4) is assembled on the fixed part (3), an assembly during which one of the two ends of the spring (5) is released from the moving part by resting on the fixed part, so as to arm the spring by creating a torsion torque between fixed part and moving part. Procédé selon la revendication précédente, caractérisé en ce que la pièce mobile (4) comporte un ergot (16) de pré-armage contre lequel s'appuie une des extrémités du ressort (5) lors de l'assemblage.Method according to the preceding claim, characterized in that the movable part (4) comprises a pre-armature pin (16) against which rests one of the ends of the spring (5) during assembly. Procédé selon la revendication précédente, caractérisé en ce que l'ergot (16) de pré-armage comporte au moins une zone chanfreinée.Method according to the preceding claim, characterized in that the pin (16) pre-arming comprises at least one chamfered area. Procédé selon l'une des revendications précédentes, caractérisé en ce que la pièce mobile (4) comporte un ergot fonctionnel (35) comportant au moins une butée.Method according to one of the preceding claims, characterized in that the movable part (4) comprises a functional pin (35) having at least one stop. Procédé selon l'une des revendications précédentes, caractérisé en ce que la pièce mobile (4) comporte un moyen de support du corps du ressort comportant une portion de cylindre faisant saillie et munie de moyens de retenue (37) du corps du ressort après armage.Method according to one of the preceding claims, characterized in that the movable part (4) comprises a means for supporting the spring body comprising a cylinder portion projecting and provided with retaining means (37) of the spring body after arming . Procédé selon la revendication précédente, caractérisé en ce que les moyens de retenue sont sous la forme d'une collerette (37), ou d'une ou plusieurs butées, disposée(s) radialement au bord ou à proximité du bord extérieur de la portion de cylindre.Method according to the preceding claim, characterized in that the retaining means are in the form of a flange (37), or one or more stops disposed radially at the edge or near the outer edge of the portion of cylinder. Procédé selon la revendication 5 ou la revendication 6, caractérisé en ce que le corps du ressort (5) non armé a un diamètre supérieur au diamètre apparent de la portion de cylindre dans la zone où sont disposés les moyens de retenue (37) de type collerette ou butée(s), et en ce qu'il a un diamètre inférieur audit diamètre apparent une fois qu'on l'a armé. A method according to claim 5 or claim 6, characterized in that the body of the unreinforced spring (5) has a larger diameter than the apparent diameter of the cylinder portion in the area where the retaining means (37) are arranged. flange or abutment (s), and in that it has a diameter less than said apparent diameter once it has been armed. Procédé selon l'une des revendications précédentes, caractérisé en ce que le ressort (5) permet un mouvement relatif entre une pièce mobile (4) choisie parmi un cache pivotant, un filtre de type filtre infra-rouge, un réflecteur, un module optique, et une pièce fixe du type pièce support.Method according to one of the preceding claims, characterized in that the spring (5) allows a relative movement between a movable part (4) selected from a pivoting cover, a filter-type infra-red filter, a reflector, an optical module , and a fixed piece of the support piece type. Dispositif d'éclairage et/ou de signalisation pour véhicule automobile, du type projecteur, comportant au moins une pièce fixe (3) par rapport à une pièce mobile (4), et un ressort de torsion (5) dont l'une des extrémités du ressort est maintenue sur la pièce mobile par un ergot fonctionnel muni d'une butée au moins et dont l'autre extrémité est maintenue à la pièce fixe (3), le corps du ressort étant maintenu par un moyen de support comportant une portion de cylindre faisant saillie et munie de moyens de retenue (37) du corps du ressort.Vehicle lighting and / or signaling device automobile, of the projector type, comprising at least one fixed part (3) relative to a moving part (4), and a torsion spring (5), one of which ends of the spring is held on the moving part by a lug functional body with at least one stop and the other end of which is held at the fixed part (3), the body of the spring being held by a support means having a cylinder portion projecting and provided retaining means (37) of the spring body. Dispositif selon la revendication 9, caractérisé en ce que les moyens de retenue sont sous la forme d'une collerette (37), ou d'une ou plusieurs butées, disposée(s) radialement au bord ou à proximité du bord extérieur de la portion de cylindre.Device according to claim 9, characterized in that the retaining means are in the form of a flange (37), or one or more abutments, arranged radially at the edge or near the outer edge of the portion of cylinder. Dispositif selon la revendication 9 ou 10, caractérisé en ce que la pièce mobile comporte un ergot(16) de pré-armage.Device according to claim 9 or 10, characterized in that the movable part comprises a pre-arming pin (16). Dispositif selon l'une des revendications 9 à 11, caractérisé en ce que la pièce mobile (4) est choisie parmi un cache pivotant, un filtre de type filtre infra-rouge, un réflecteur, un module optique, et en ce que la pièce fixe (3) est du type pièce-support ou ensemble de pièces support.Device according to one of Claims 9 to 11, characterized in that the movable part (4) is chosen from a pivoting cover, an infra-red filter type filter, a reflector, an optical module, and that the part fixed (3) is of the type support-piece or set of support pieces. Véhicule automobile comportant au moins un dispositif selon l'une des revendications 9 à 13.Motor vehicle comprising at least one device according to one of Claims 9 to 13.
EP05290904A 2004-04-27 2005-04-22 Mounting of a torsion spring between two parts of a lighting assembly of an automotive vehicle Not-in-force EP1596127B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0404472 2004-04-27
FR0404472A FR2869273B1 (en) 2004-04-27 2004-04-27 ASSEMBLING A TORSION SPRING BETWEEN A FIXED PART AND A MOBILE PIECE OF A LIGHTING AND / OR SIGNALING DEVICE OF A MOTOR VEHICLE

Publications (2)

Publication Number Publication Date
EP1596127A1 true EP1596127A1 (en) 2005-11-16
EP1596127B1 EP1596127B1 (en) 2009-10-28

Family

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Application Number Title Priority Date Filing Date
EP05290904A Not-in-force EP1596127B1 (en) 2004-04-27 2005-04-22 Mounting of a torsion spring between two parts of a lighting assembly of an automotive vehicle

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EP (1) EP1596127B1 (en)
AT (1) ATE447140T1 (en)
DE (1) DE602005017327D1 (en)
FR (1) FR2869273B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1867917A1 (en) * 2006-06-15 2007-12-19 Valeo Vision Optical module for a headlight designed mainly for an automobile vehicle
EP2154425A3 (en) * 2008-08-08 2010-08-18 Koito Manufacturing Co., Ltd. Vehicle headlamp
FR2979595A1 (en) * 2011-09-07 2013-03-08 Valeo Vision OPTICAL MODULE FOR MOTOR VEHICLE PROJECTOR

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913094B1 (en) 2007-02-22 2009-05-15 Valeo Vision Sa PROJECTOR FOR MOTOR VEHICLE.

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Publication number Priority date Publication date Assignee Title
FR2611081A1 (en) * 1987-01-13 1988-08-19 Gen Electric MOUNTING OF CIRCUIT BREAKER BAR IN MOLDED HOUSING
FR2799816A1 (en) * 1999-10-19 2001-04-20 Valeo Vision Motor vehicle headlamp with mobile screen for high or low beam settings, uses motor with air coupling to activate screen which returns to rest position under influence of spring or counterweight
FR2840391A1 (en) * 2002-05-21 2003-12-05 Automotive Lighting Reutlingen OPTICAL BLOCK FOR MOTOR VEHICLE PROJECTOR

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
FR2611081A1 (en) * 1987-01-13 1988-08-19 Gen Electric MOUNTING OF CIRCUIT BREAKER BAR IN MOLDED HOUSING
FR2799816A1 (en) * 1999-10-19 2001-04-20 Valeo Vision Motor vehicle headlamp with mobile screen for high or low beam settings, uses motor with air coupling to activate screen which returns to rest position under influence of spring or counterweight
FR2840391A1 (en) * 2002-05-21 2003-12-05 Automotive Lighting Reutlingen OPTICAL BLOCK FOR MOTOR VEHICLE PROJECTOR

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1867917A1 (en) * 2006-06-15 2007-12-19 Valeo Vision Optical module for a headlight designed mainly for an automobile vehicle
FR2902499A1 (en) * 2006-06-15 2007-12-21 Valeo Vision Sa OPTICAL MODULE FOR A PROJECTOR INTENDED IN PARTICULAR FOR A MOTOR VEHICLE.
CN101089459B (en) * 2006-06-15 2012-08-29 法雷奥视觉公司 Optical module for a headlight designed mainly for an automobile vehicle, lamp with the optical module, and motor vehicle with the lamp
EP2154425A3 (en) * 2008-08-08 2010-08-18 Koito Manufacturing Co., Ltd. Vehicle headlamp
FR2979595A1 (en) * 2011-09-07 2013-03-08 Valeo Vision OPTICAL MODULE FOR MOTOR VEHICLE PROJECTOR
EP2568210A1 (en) * 2011-09-07 2013-03-13 Valeo Vision Optical module for headlight of a motor vehicle
WO2013034680A1 (en) * 2011-09-07 2013-03-14 Valeo Vision Optical module for motor vehicle headlamp
CN103906969A (en) * 2011-09-07 2014-07-02 法雷奥照明公司 Optical module for motor vehicle headlamp

Also Published As

Publication number Publication date
FR2869273B1 (en) 2006-08-04
FR2869273A1 (en) 2005-10-28
EP1596127B1 (en) 2009-10-28
DE602005017327D1 (en) 2009-12-10
ATE447140T1 (en) 2009-11-15

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