EP0702193B1 - Lampholder for headlights or lights in particular vehicle lights - Google Patents
Lampholder for headlights or lights in particular vehicle lights Download PDFInfo
- Publication number
- EP0702193B1 EP0702193B1 EP95402078A EP95402078A EP0702193B1 EP 0702193 B1 EP0702193 B1 EP 0702193B1 EP 95402078 A EP95402078 A EP 95402078A EP 95402078 A EP95402078 A EP 95402078A EP 0702193 B1 EP0702193 B1 EP 0702193B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- lamp
- support body
- illuminating
- indicating light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/19—Attachment of light sources or lamp holders
- F21S41/194—Bayonet attachments
Definitions
- the invention relates to a lamp holder for a projector. or fire, especially for a motor vehicle.
- the invention is particularly applicable to the case projectors located in a location such that it remains in the posterior part of the reflector that a very low clearance for removal and replacement of the projector lamp.
- This configuration is meets more and more often in vehicles modern, where we very compactly have the different components in the engine compartment.
- the invention proposes to remedy the difficulty above by providing a headlamp or light as defined in claim 1.
- Figure 1 is a schematic drawing, seen from rear three-quarter, reflector, bulb holder and lamp according to the invention, showing the way the lamp holder of which is inserted into the reflector and mounted on it.
- Figure 2 is a sectional elevation, along the broken line II-II of Figure 4, of the lamp holder assembly and lamp placed in the reflector, in the position final assembly.
- FIG. 3 is a front view of the lamp holder alone, showing the operating arm and the centering means of the lamp.
- Figure 4 is a rear view of the same lamp holder mounted on the reflector, the solid line drawing corresponding to the final mounting position of the lamp holder and the line drawing corresponding to the insertion position of this lamp holder in the notch of the projector.
- FIG. 5 is a rear view of the reflector alone, in the region of the central opening, showing in particular the bearing faces receiving the lamp and the lamp holder.
- FIG 1 there is shown schematically the headlamp configured according to the invention, designated so general by the numerical reference 1.
- the lamp holder and lamp assembly is intended to be mounted in a central opening 5 formed in the axis of the reflector, for example in the axis of the paraboloid in the most common case of a reflector spotlight parabolic.
- the lamp holder is introduced by a notch 6 formed from the opening 5 and which extends approximately for example along the intersection of the reflector surface with a vertical or slightly inclined radial plane.
- a slight inclination ⁇ (figure 4) of the order of 9 °, but without any character limiting.
- the notch 6 is blind; it extends towards axial towards the front of the projector over a length approximately corresponding to the length of the lamp 4. This dimension actually depends on considerations practical and we will understand that, if we have a slight clearance in the rear part of the reflector, one can foresee a shorter notch in direction axial.
- the notch 6 allows the insertion of the lamp essentially by a vertical translational movement of descent (arrow 7 in Figure 1) followed, after setting place the assembly at the back of the projector, with a movement rotation (arrow 8) over a fraction of a turn, to lock the lamp holder in place in the opening 5.
- the lamp holder 3 essentially comprises a body lamp holder 9 receiving the lamp in a itself known (for example by plugging in contacts, as can be seen in the section in Figure 2) and provided at the rear with electrical connection means to the lamp, which can either be a connector plug-in either, as shown at 10 in FIG. 1, lead wires overmolded with the body of the lamp holder and directly from a bundle of cables.
- the lamp holder 3 has a flange 11 which will further explain the role as well as a rod or arm elongated maneuver 12 allowing the user to perform the rotational movement (of arrow 8) when the lamp holder is placed in the opening 5 of the reflector 2, and this despite the low clearance at the back of the reflector.
- the collar 11 has an approximately circular shape and flat and comes to slip between, on the one hand, the rear side of reflector 2 at the periphery of the opening 5 and, on the other hand, a retaining part 13 (FIG. 2 and 4) which is preferably a metallic insert attached to the projector at 14 ( Figures 2 and 5) at screw means 15.
- the retaining piece 13 has surfaces 16 ( Figure 4) holding region 17 of the collar 11 pinch between this surface 16 and the rear face facing the reflector, around the opening 5. This prevents axial movement of the lamp holder, while authorizing its introduction from above then its pivot around the central axis; in other words, the retaining piece 13 acts like a receptacle for the lamp holder, this being guided radially and axially inside this receptacle by the collar.
- the retaining piece 13 also advantageously comprises elastic blades 18, for example the number of three ( Figure 2 and 4), which come to stress axially a surface facing 19 of the lamp.
- the disassembly of the lamp is done by the operation exactly opposite: pivoting of the lamp holder up to bring the arm into a substantially vertical position, then lifting it by passing through the reflector to the lamp by the notch 6.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Description
L'invention concerne un porte-lampe pour projecteur ou feu, notamment pour véhicule automobile.The invention relates to a lamp holder for a projector. or fire, especially for a motor vehicle.
Dans la suite de la description, on se référera par commodité à l'application à un projecteur, mais celle-ci n'est nullement limitative dans la mesure où, comme on le comprendra, l'invention n'est pas liée à la fonction de l'organe d'éclairage et peut donc être mise en oeuvre dans des applications très variées.In the following description, we will refer to convenience to the application to a projector, but this one is in no way limiting insofar as, as we will understand, the invention is not related to the function of the lighting element and can therefore be implemented in very varied applications.
L'invention s'applique tout particulièrement au cas des projecteurs situés en un emplacement tel qu'il ne subsiste en partie postérieure du réflecteur qu'un très faible dégagement pour le retrait et la remise en place de la lampe du projecteur. Cette configuration se rencontre de plus en plus souvent dans les véhicules modernes, où l'on dispose de façon très compacte les différents organes dans le compartiment moteur.The invention is particularly applicable to the case projectors located in a location such that it remains in the posterior part of the reflector that a very low clearance for removal and replacement of the projector lamp. This configuration is meets more and more often in vehicles modern, where we very compactly have the different components in the engine compartment.
Du fait de ce faible dégagement, un changement de lampe devient très délicat, avec les risques corrélatifs de laisser échapper la lampe au moment du montage, de mal la fixer, etc.Due to this low clearance, a change of lamp becomes very delicate, with correlative risks letting the lamp escape during assembly, fix it, etc.
On connaít déjà par le document DE 34 10 463 A un projecteur dont la lampe peut être remplacée par le dessus du projecteur, en s'affranchissant par conséquent du problème de dégagement arrière. Ce projecteur connu souffre toutefois de nombreux inconvénients :
- encombrement accru vers le haut
- complexité de la structure mécanique associée
- et probablement, défauts optiques dus à la réalisation du réflecteur en deux pièces.
- increased bulk up
- complexity of the associated mechanical structure
- and probably, optical defects due to the realization of the reflector in two parts.
On connaít également par FR 2 223 626 A une
solution pour l'accès à la lampe d'un réflecteur
secondaire inscrit dans un réflecteur principal. We also know from
Toutefois ce document ne résout nullement le problème d'accessibilité arrière, et pose même un problème supplémentaire d'accessibilité par le dessus du projecteur.However, this document in no way resolves the rear accessibility problem, and even poses a additional problem of accessibility from above projector.
L'invention propose de remédier à la difficulté
précitée en prévoyant un projecteur ou feu tel que défini
dans la revendication 1.The invention proposes to remedy the difficulty
above by providing a headlamp or light as defined
in
Des aspects préférés du projecteur ou feu selon l'invention sont définis dans les revendications dépendantes 2 à 5.Preferred aspects of the projector or fire according to the invention are defined in the claims dependent 2 to 5.
D'autres caractéristiques et avantages de l'invention apparaítront à la lecture de la description détaillée suivante d'un exemple de réalisation, faite en référence aux dessins annexés.Other features and benefits of the invention will appear on reading the description following detailed example of an embodiment, made in reference to the accompanying drawings.
La figure 1 est un dessin schématique, vue de trois-quarts arrière, d'un ensemble réflecteur, porte-lampe et lampe selon l'invention, montrant la manière dont le porte-lampe est introduit dans le réflecteur et monté sur celui-ci.Figure 1 is a schematic drawing, seen from rear three-quarter, reflector, bulb holder and lamp according to the invention, showing the way the lamp holder of which is inserted into the reflector and mounted on it.
La figure 2 est une coupe en élévation, selon la ligne brisée II-II de la figure 4, de l'ensemble porte-lampe et lampe placé dans le réflecteur, dans la position de montage final.Figure 2 is a sectional elevation, along the broken line II-II of Figure 4, of the lamp holder assembly and lamp placed in the reflector, in the position final assembly.
La figure 3 est une vue de face du porte-lampe seul, montrant le bras de manoeuvre et les moyens de centrage de la lampe.FIG. 3 is a front view of the lamp holder alone, showing the operating arm and the centering means of the lamp.
La figure 4 est une vue arrière de ce même porte-lampe monté sur le réflecteur, le dessin en trait plein correspondant à la position de montage final du porte-lampe et le dessin en trait mixte correspondant à la position d'insertion de ce porte-lampe dans l'encoche du projecteur.Figure 4 is a rear view of the same lamp holder mounted on the reflector, the solid line drawing corresponding to the final mounting position of the lamp holder and the line drawing corresponding to the insertion position of this lamp holder in the notch of the projector.
La figure 5 est une vue arrière du réflecteur seul, dans la région de l'ouverture centrale, montrant notamment les faces d'appui recevant la lampe et le porte-lampe.FIG. 5 is a rear view of the reflector alone, in the region of the central opening, showing in particular the bearing faces receiving the lamp and the lamp holder.
Sur la figure 1, on a représenté schématiquement le
projecteur configuré selon l'invention, désigné de façon
générale par la référence numérique 1. Celui-ci comprend
essentiellement, outre divers éléments que l'on ne décrira
pas car ils ne contribuent pas à la mise en oeuvre
de l'invention (organes de montage du projecteur sur la
carrosserie, glace de fermeture, etc.) un réflecteur ou
miroir 2 recevant un porte-lampe 3 muni de sa lampe 4
(ici et dans la suite, on supposera toujours que le porte-lampe
3 a été auparavant équipé de sa lampe 4, cette
opération étant préalable au montage du porte-lampe sur
le réflecteur 2 du projecteur).In Figure 1, there is shown schematically the
headlamp configured according to the invention, designated so
general by the
L'ensemble porte-lampe et lampe est destiné à être
monté dans une ouverture centrale 5 formée dans l'axe du
réflecteur, par exemple dans l'axe du paraboloïde dans
le cas, le plus fréquent, d'un projecteur à réflecteur
parabolique.The lamp holder and lamp assembly is intended to be
mounted in a
De façon caractéristique de l'invention, le porte-lampe
est introduit par une encoche 6 formée à partir de
l'ouverture 5 et qui s'étend approximativement par exemple
suivant l'intersection de la surface du réflecteur
avec un plan radial vertical ou légèrement incliné. Dans
le mode de réalisation illustré, on a prévu, pour des
considérations pratiques, une légère inclinaison α (figure
4) de l'ordre de 9°, mais sans aucun caractère
limitatif.Characteristically of the invention, the lamp holder
is introduced by a
L'encoche 6 est borgne ; elle se prolonge en direction
axiale vers l'avant du projecteur sur une longueur
correspondant approximativement à la longueur de la
lampe 4. Cette dimension dépend en fait de considérations
pratiques et l'on comprendra que, si l'on dispose
d'un léger dégagement en partie postérieure du réflecteur,
on peut prévoir une encoche plus courte en direction
axiale.The
L'encoche 6 permet l'insertion de la lampe essentiellement
par un mouvement de translation verticale de descente
(flèche 7 sur la figure 1) suivi, après mise en
place de l'ensemble à l'arrière du projecteur, d'un mouvement
de rotation (flèche 8) sur une fraction de tour,
pour verrouiller en place le porte-lampe dans l'ouverture
5.The
Le porte-lampe 3 comporte essentiellement un corps
support de lampe 9 recevant la lampe d'une manière en
elle-même connue (par exemple par enfichage de contacts,
comme on peut le voir sur la coupe de la figure 2) et
pourvu en partie arrière de moyens de connexion électrique
à la lampe, qui peuvent être soit un connecteur
enfichable soit, comme représenté en 10 sur la figure 1,
des fils conducteurs surmoulés avec le corps du porte-lampe
et directement issus d'un faisceau de câbles.The
Le porte-lampe 3 comporte une collerette 11 dont on
expliquera plus loin le rôle ainsi qu'une tige ou bras
de manoeuvre allongé 12 permettant à l'utilisateur de
réaliser le mouvement de rotation (de la flèche 8) lorsque
le porte-lampe est placé dans l'ouverture 5 du réflecteur
2, et ceci en dépit du faible dégagement à
l'arrière du réflecteur.The
La collerette 11 a une forme approximativement circulaire
et plate et vient se glisser entre, d'une part, la
face arrière du réflecteur 2 en périphérie de l'ouverture
5 et, d'autre part, une pièce de retenue 13 (figure
2 et 4) qui est de préférence une pièce rapportée métallique
fixée au projecteur en 14 (figure 2 et 5) aux
moyens de vis 15.The
La pièce de retenue 13 comporte des surfaces 16
(figure 4) venant maintenir la région 17 de la collerette
11 pincée entre cette surface 16 et la face arrière
en vis-à-vis du réflecteur, autour de l'ouverture
5. On empêche ainsi le déplacement axial du porte-lampe,
tout en autorisant son introduction par le haut puis son
pivotement autour de l'axe central ; en d'autres termes,
la pièce de retenue 13 agit à la manière d'un réceptacle
pour le porte-lampe, celui-ci étant guidé radialement et
axialement à l'intérieur de ce réceptacle par la collerette.The
La pièce de retenue 13 comporte en outre avantageusement
des lames élastiques 18, par exemple au nombre de
trois (figure 2 et 4), qui viennent solliciter axialement
une surface en vis-à-vis 19 de la lampe. Une fois
l'ensemble en position finale, la lampe est donc centrée
: d'une part radialement par sa zone de liaison
cylindrique 20 qui vient se placer dans le logement
homologue 21 du porte-lampe 3 ; et d'autre part axialement
avec ses appuis 22 (figure 2) qui viennent contre
les surfaces de portée 23 homologues (figures 2 et 5) du
réflecteur 2, ce positionnement étant réalisé sous contrainte
des lames élastiques 18.The
Le verrouillage final du bras en position est réalisé
au moyen d'un bossage 24 (figure 3 et 4) solidaire du
porte-lampe et qui coopère avec une lame élastique homologue
25 (figure 4) qui peut être par exemple un prolongement
de la pièce 13.Final locking of the arm in position is achieved
by means of a boss 24 (FIGS. 3 and 4) secured to the
lamp holder and which cooperates with a homologous elastic blade
25 (Figure 4) which can be for example an extension
from
Pour réaliser ce verrouillage, après avoir descendu
l'ensemble lampe et porte-lampe approximativement verticalement
jusqu'à positionner la collerette 11 entre la
pièce de retenue 13 et l'ouverture du projecteur 5 (des
encoches 26 (figure 3) permettant réaliser un pré-centrage
du porte-lampe), l'utilisateur fait pivoter le
bras 12 d'un angle β (figure 4) par exemple de l'ordre
de 20°, jusqu'à venir encliqueter le bossage 24 sous la
partie arrondie de la lame élastique 25.To achieve this locking, after having descended
the lamp and lamp holder assembly approximately vertically
until positioning the
Le démontage de la lampe se fait par la manoeuvre
exactement inverse : pivotement du porte-lampe jusqu'à
amener le bras en position sensiblement verticale, puis
relevage de celui-ci en faisant traverser le réflecteur
à la lampe par l'encoche 6.The disassembly of the lamp is done by the operation
exactly opposite: pivoting of the lamp holder up to
bring the arm into a substantially vertical position, then
lifting it by passing through the reflector
to the lamp by the
Claims (5)
- An illuminating or indicating light, especially for a motor vehicle and in particular an illuminating or indicating light for which there is little space at the rear to enable a lamp to be introduced for fitting, the illuminating or indicating light (1) having a reflector (2), characterised in that the reflector is provided with a radial slot (6) to enable a lamp to be introduced into the reflector from outside, essentially by a radial displacement movement (7) with respect to the reflector, the assembly of the lamp and an associated lamp holder accordingly extending axially on either side of a central aperture (5) of the reflector, partly inside the reflector and partly outside the latter, and in that the lamp holder comprises:a lamp support body (9) for receiving the lamp (4) and a member (10) for electrical connection to the latter,a manoeuvring arm (12), connected to the said support body and extending essentially radially with respect to the axis of the reflector,axial means for centring the support body on the reflector,means for guiding the support body with respect to the reflector from an insertion position to a fitted position, the passage from the fitted position to the insertion position being achieved by rotation (8) of the support body through a fraction of a turn (β) with respect to the reflector, andmeans for locking the support body in its fitted position on the reflector.
- An illuminating or indicating light according to Claim 1, in which the axial centring means comprise peripheral engagement surfaces (22) of the assembly consisting of the lamp and lamp holder, which cooperate with matching engagement surfaces (23) of the aperture in the reflector.
- The illuminating or indicating light of Claim 1, wherein the guide means include a collar portion (11) of the support body which co-operates with a retaining member (13) fixed to the reflector and preventing any axial displacement.
- The illuminating or indicating light of Claim 3, wherein the retaining member (13) further includes leaf spring elements (18) axially biasing the assembly consisting of the lamp and lamp holder against the reflector.
- The illuminating or indicating light of Claim 1, wherein the means for locking in the fitted position comprise a boss (24) fixed to the support body and cooperating with a matching leaf spring element (25) fixed to the reflector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9411069A FR2724713B1 (en) | 1994-09-16 | 1994-09-16 | LAMP HOLDER FOR PROJECTOR OR FIRE, PARTICULARLY FOR A MOTOR VEHICLE |
| FR9411069 | 1994-09-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0702193A1 EP0702193A1 (en) | 1996-03-20 |
| EP0702193B1 true EP0702193B1 (en) | 2001-11-07 |
Family
ID=9466999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95402078A Expired - Lifetime EP0702193B1 (en) | 1994-09-16 | 1995-09-14 | Lampholder for headlights or lights in particular vehicle lights |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0702193B1 (en) |
| DE (1) | DE69523704T2 (en) |
| ES (1) | ES2164141T3 (en) |
| FR (1) | FR2724713B1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2335027B (en) * | 1998-03-02 | 2001-09-26 | Pag Ltd | Lamp assembly |
| DE102007022028B4 (en) * | 2007-05-11 | 2016-10-20 | Automotive Lighting Reutlingen Gmbh | Lighting device for a vehicle, in particular motor vehicle headlights |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2223626A1 (en) * | 1973-03-28 | 1974-10-25 | Sev Marchal | Headlamp with main and auxiliary reflectors - has auxiliary lamp taper plug mounting section fitting in mating socket |
| DE3410463C1 (en) * | 1984-03-22 | 1985-04-18 | Ford-Werke AG, 5000 Köln | Headlights or lights for motor vehicles |
-
1994
- 1994-09-16 FR FR9411069A patent/FR2724713B1/en not_active Expired - Fee Related
-
1995
- 1995-09-14 ES ES95402078T patent/ES2164141T3/en not_active Expired - Lifetime
- 1995-09-14 EP EP95402078A patent/EP0702193B1/en not_active Expired - Lifetime
- 1995-09-14 DE DE69523704T patent/DE69523704T2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2724713A1 (en) | 1996-03-22 |
| EP0702193A1 (en) | 1996-03-20 |
| DE69523704D1 (en) | 2001-12-13 |
| FR2724713B1 (en) | 1997-01-24 |
| DE69523704T2 (en) | 2002-08-08 |
| ES2164141T3 (en) | 2002-02-16 |
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