FR2950671A1 - Lighting and signaling device e.g. fog lamp, for motor vehicle, has case provided with assembly part, and lens provided with assembly part arranged to cooperate with part of case by screwing or clutching - Google Patents
Lighting and signaling device e.g. fog lamp, for motor vehicle, has case provided with assembly part, and lens provided with assembly part arranged to cooperate with part of case by screwing or clutching Download PDFInfo
- Publication number
- FR2950671A1 FR2950671A1 FR0956695A FR0956695A FR2950671A1 FR 2950671 A1 FR2950671 A1 FR 2950671A1 FR 0956695 A FR0956695 A FR 0956695A FR 0956695 A FR0956695 A FR 0956695A FR 2950671 A1 FR2950671 A1 FR 2950671A1
- Authority
- FR
- France
- Prior art keywords
- housing
- assembly part
- ice
- case
- cooperate
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
- F21S41/55—Attachment thereof
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/29—Attachment thereof
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
- F21W2102/30—Fog lights
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
Description
Dispositif d'éclairage et/ou de signalisation d'un véhicule automobile Lighting and / or signaling device for a motor vehicle
L'invention concerne notamment un dispositif d'éclairage et/ou de signalisation d'un véhicule automobile. On connaît par le brevet US 5 609 407 un dispositif lumineux comportant un boîtier et une glace fixée à ce boîtier à l'aide d'un adhésif. L'invention vise notamment à permettre de simplifier le montage d'une glace sur un boîtier d'un dispositif d'éclairage et/ou de signalisation. L'invention a ainsi pour objet un dispositif d'éclairage et/ou de signalisation d'un véhicule automobile, ce dispositif comportant : - un boîtier agencé pour recevoir au moins une source de lumière, ce boîtier comprenant une première partie d'assemblage, - une glace agencée pour fermer ledit boîtier, cette glace comprenant une deuxième partie d'assemblage agencée pour coopérer avec la première partie d'assemblage du boîtier par vissage ou encliquetage. L'invention permet un montage simplifié de la glace sur le boîtier, notamment du fait qu'il n'est pas utilisé d'adhésif. En effet l'utilisation d'un adhésif entraîne un procédé de montage plus compliqué et cet adhésif peut engendrer des défauts. Sans utilisation d'adhésif, l'invention permet néanmoins d'assurer une bonne résistance du dispositif à des contraintes mécaniques et thermiques. The invention relates in particular to a lighting and / or signaling device of a motor vehicle. US Pat. No. 5,609,407 discloses a light device comprising a housing and an ice attached to this housing by means of an adhesive. The invention aims in particular to simplify the mounting of an ice on a housing of a lighting and / or signaling device. The invention thus relates to a lighting and / or signaling device for a motor vehicle, this device comprising: a housing arranged to receive at least one light source, this housing comprising a first assembly part, an ice-cream arranged to close said casing, this glass comprising a second assembly part arranged to cooperate with the first assembly part of the casing by screwing or snapping-in. The invention allows a simplified mounting of the ice on the housing, in particular because it is not used adhesive. Indeed the use of an adhesive leads to a more complicated mounting process and this adhesive can cause defects. Without the use of adhesive, the invention nevertheless makes it possible to ensure good resistance of the device to mechanical and thermal stresses.
Dans un exemple de mise en oeuvre de l'invention, la première partie d'assemblage du boîtier comporte au moins un élément en saillie et la deuxième partie d'assemblage de la glace comporte au moins un élément en creux agencé pour coopérer par encliquetage avec l'élément en saillie de l'autre partie d'assemblage. In an exemplary implementation of the invention, the first assembly portion of the housing comprises at least one projecting element and the second assembly portion of the glass comprises at least one hollow element arranged to cooperate by snapping with the projecting element of the other assembly part.
Avantageusement l'élément en saillie comporte au moins un bourrelet, notamment annulaire, et l'élément en creux comporte au moins une gorge, notamment annulaire. Par exemple, la première partie d'assemblage comporte deux bourrelets annulaires, et la deuxième partie d'assemblage comporte deux gorges annulaires associées à ces bourrelets. Si on le souhaite, la gorge annulaire comporte au moins un bord, notamment deux bords, qui est/sont évasés afin de faciliter l'encliquetage. Dans un exemple de mise en oeuvre de l'invention, le boîtier comporte un col sur lequel est formé la première partie d'assemblage, ce col se raccordant, à sa base, à un épaulement du boîtier. De préférence, la glace comporte une jupe sensiblement cylindrique sur laquelle est formée la deuxième partie d'assemblage, cette jupe s'étendant de préférence à l'extérieur du boîtier. Advantageously, the projecting element comprises at least one bead, in particular an annular bead, and the hollow element comprises at least one groove, in particular an annular groove. For example, the first assembly part comprises two annular beads, and the second assembly part has two annular grooves associated with these beads. If desired, the annular groove comprises at least one edge, in particular two edges, which is / are flared to facilitate snapping. In an exemplary implementation of the invention, the housing comprises a neck on which is formed the first assembly part, this neck being connected at its base to a shoulder of the housing. Preferably, the ice has a substantially cylindrical skirt on which is formed the second assembly part, this skirt preferably extending outside the housing.
L'appui de cette jupe sur l'épaulement du boîtier peut permettre d'assurer l'étanchéité. Le cas échéant, la jupe de la glace comporte un bord inférieur divergeant, permettant de faciliter le montage de la glace sur le boîtier. Avantageusement, une fois la glace assemblée sur le boîtier, la surface extérieure de la glace se prolonge sensiblement de manière lisse avec la surface extérieure du boîtier, ce qui permet d'obtenir un effet esthétique amélioré. Dans un exemple de mise en oeuvre de l'invention, le boîtier et la glace sont réalisés en matières thermoplastiques, notamment différentes, le boîtier étant réalisé par exemple en PP et la glace par exemple en PC. The support of this skirt on the shoulder of the housing can provide sealing. If necessary, the skirt of the ice has a diverging lower edge, to facilitate the mounting of the ice on the housing. Advantageously, once the assembled ice on the housing, the outer surface of the ice extends substantially smoothly with the outer surface of the housing, which provides an improved aesthetic effect. In an exemplary implementation of the invention, the housing and the ice are made of thermoplastic materials, in particular different, the housing being made for example of PP and ice for example PC.
De préférence, les matières du boîtier et de la glace présentent sensiblement le même coefficient de dilatation, ce qui permet au dispositif de l'invention de bien résister sous contraintes thermiques. Par exemple le boîtier présente une symétrie de révolution autour d'un axe. Si on le souhaite, la glace présente une surface frontale bombée vers l'extérieur. Preferably, the materials of the housing and the ice have substantially the same coefficient of expansion, which allows the device of the invention to withstand well under thermal stresses. For example the housing has a symmetry of revolution about an axis. If desired, the ice has a curved front surface towards the outside.
De préférence, le dispositif est dépourvu de résine/adhésif ou joint entre les première et deuxième parties d'assemblage, et/ou dépourvu d'agrafes pour assembler la glace avec le boîtier. La fabrication du dispositif selon l'invention est ainsi relativement simple. Preferably, the device is devoid of resin / adhesive or joined between the first and second assembly parts, and / or free of staples for assembling the ice with the housing. The manufacture of the device according to the invention is thus relatively simple.
Avantageusement les première et deuxième parties d'assemblage coopèrent en formant une interface étanche, notamment par contact entre différentes surfaces internes de la glace et du boîtier. Si on le souhaite, la glace est soudée au boîtier en au moins un point, notamment en plusieurs points. Advantageously, the first and second assembly parts cooperate by forming a sealed interface, in particular by contact between different internal surfaces of the glass and the housing. If desired, the ice is welded to the housing in at least one point, including several points.
Par exemple, le dispositif forme un feu anti-brouillard ou un feu diurne (en anglais, DRL Daytime Running Light). L'invention pourra être mieux comprise à la lecture de la description détaillée qui va suivre, d'un exemple de mise en oeuvre non limitatif de l'invention, et à l'examen du dessin annexé, sur lequel : - la figure 1 représente, schématiquement et partiellement, en coupe, un dispositif selon un exemple de mise en oeuvre de l'invention, - la figure 2 représente, schématiquement et partiellement, en coupe, le boîtier du dispositif de la figure 1, - la figure 3 représente, schématiquement et partiellement, en coupe, un détail du boîtier de la figure 2, - la figure 4 représente, schématiquement et partiellement, en coupe, la glace du dispositif de la figure 1, et - la figure 5 représente, schématiquement et partiellement, en coupe, un détail de la glace de la figure 4. For example, the device forms a fog lamp or a daytime running light (in English, DRL Daytime Running Light). The invention can be better understood on reading the following detailed description of an example of non-limiting implementation of the invention, and on examining the appended drawing, in which: FIG. , schematically and partially in section, a device according to an exemplary implementation of the invention, - Figure 2 shows, schematically and partially in section, the housing of the device of Figure 1, - Figure 3 shows, schematically and partially, in section, a detail of the housing of FIG. 2; - FIG. 4 is a diagrammatic and partial sectional view of the ice of the device of FIG. 1, and FIG. 5 is a schematic and partial representation of FIG. cut, a detail of the ice of Figure 4.
On a représenté sur la figure 1 un dispositif 1 d'éclairage et/ou de signalisation d'un véhicule automobile, ce dispositif 1 comportant : - un boîtier 2 agencé pour recevoir une source de lumière 3, par exemple une lampe à filament, ce boîtier 2 comprenant une première partie d'assemblage 5, - une glace 6 agencée pour fermer le boîtier 2, cette glace 6 comprenant une deuxième partie d'assemblage 7 agencée pour coopérer avec la première partie d'assemblage 5 du boîtier 2 par vissage ou encliquetage. Dans l'exemple décrit, comme illustré sur les figures 2 à 5, la première partie d'assemblage 5 comporte deux bourrelets annulaires 10 parallèles, et la deuxième partie d'assemblage 7 comporte deux gorges annulaires 11 parallèles associées à ces bourrelets 10. Ces bourrelets 10 et gorges 11 présentent chacun une section transversale, dans un plan contenant un axe longitudinal central X du dispositif 1, sensiblement en forme d'arc de cercle, notamment de demi-cercle. FIG. 1 shows a device 1 for illuminating and / or signaling a motor vehicle, this device 1 comprising: a housing 2 arranged to receive a light source 3, for example a filament lamp, housing 2 comprising a first assembly part 5, - a window 6 arranged to close the housing 2, this window 6 comprising a second connecting portion 7 arranged to cooperate with the first assembly portion 5 of the housing 2 by screwing or snap. In the example described, as illustrated in FIGS. 2 to 5, the first assembly part 5 comprises two parallel annular beads 10, and the second assembly part 7 has two parallel annular grooves 11 associated with these beads 10. These The beads 10 and grooves 11 each have a cross section, in a plane containing a central longitudinal axis X of the device 1, substantially in the form of an arc of a circle, in particular of a semicircle.
Chaque gorge annulaire 11 comporte des bords inférieur 13 et supérieur 14, qui sont évasés vers l'axe X afin de faciliter l'encliquetage, comme illustré sur la figure 5. Le boîtier 2 comporte un col 15 sur lequel est formé la première partie d'assemblage 5, ce col 15 se raccordant, à sa base 16, à un épaulement 17 du boîtier. La glace 6 comporte une jupe 20 sensiblement cylindrique d'axe X, sur laquelle est formée la deuxième partie d'assemblage 7, cette jupe 20 s'étendant à l'extérieur du boîtier 2, une fois le montage terminé. L'appui de cette jupe 20 sur l'épaulement 17 du boîtier 2 peut permettre de compléter l'étanchéité entre la glace et le boîtier. La jupe 20 comporte un bord inférieur divergeant 21, permettant de faciliter le montage de la glace 6 sur le boîtier 2, comme visible sur la figure 4. Une fois la glace 6 assemblée sur le boîtier 2, la surface extérieure 22 de la glace 6 se prolonge sensiblement de manière lisse avec la surface extérieure 24 du boîtier 24, ce qui permet d'obtenir un effet esthétique satisfaisant. Dans l'exemple considéré, le boîtier 2 et la glace 6 sont réalisés en un seul tenant, en matières thermoplastiques différentes, le boîtier 2 étant réalisé par exemple en PP (polypropylène) et la glace 6 par exemple en PC (polycarbonate). Les matières du boîtier 2 et de la glace 6 sont choisies de manière à présenter sensiblement le même coefficient de dilatation, ce qui permet au dispositif de l'invention d'avoir une bonne tenue thermique et mécanique. Each annular groove 11 has lower edges 13 and upper 14, which are flared towards the X axis to facilitate snapping, as shown in Figure 5. The housing 2 comprises a neck 15 on which is formed the first part of assembly 5, this neck 15 being connected at its base 16 to a shoulder 17 of the housing. The glass 6 has a substantially cylindrical skirt 20 of X axis, on which is formed the second assembly portion 7, this skirt 20 extending outside the housing 2, once the assembly is completed. The support of this skirt 20 on the shoulder 17 of the housing 2 can complete the seal between the ice and the housing. The skirt 20 has a diverging lower edge 21, making it easier to mount the window 6 on the casing 2, as can be seen in FIG. 4. Once the window 6 has been assembled on the casing 2, the outer surface 22 of the window 6 is extended substantially smoothly with the outer surface 24 of the housing 24, which provides a satisfactory aesthetic effect. In the example, the housing 2 and the ice 6 are made in one piece, different thermoplastic materials, the housing 2 being made for example of PP (polypropylene) and ice 6 for example PC (polycarbonate). The materials of the housing 2 and the ice 6 are chosen so as to have substantially the same coefficient of expansion, which allows the device of the invention to have a good thermal and mechanical resistance.
La glace 6 présente une surface frontale 25 bombée vers l'extérieur. Les première et deuxième parties d'assemblage 5 et 7 coopèrent en formant une interface étanche, notamment par contact entre différentes surfaces internes de la glace et du boîtier. The lens 6 has a front surface 25 bulging outwards. The first and second assembly parts 5 and 7 cooperate by forming a sealed interface, in particular by contact between different internal surfaces of the glass and the housing.
Ces surfaces internes comprennent par exemple un chanfrein 28 (sensiblement tronconique, divergent vers le bas) sur la glace 6, comme illustré sur la figure 4. Si on le souhaite, la glace 6 est soudée au boîtier 2 en au moins un point, notamment en plusieurs points. These internal surfaces comprise for example a chamfer 28 (substantially frustoconical, diverging downwards) on the window 6, as illustrated in FIG. 4. If desired, the window 6 is welded to the housing 2 in at least one point, in particular in several points.
Dans l'exemple considéré, le dispositif 1 forme un feu anti-brouillard ou un DRL. Lorsque les première et deuxième parties coopèrent par vissage, celles-ci comportent des filetages.15 In the example considered, the device 1 forms a fog lamp or a DRL. When the first and second parts cooperate by screwing, they include threads.
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0956695A FR2950671A1 (en) | 2009-09-28 | 2009-09-28 | Lighting and signaling device e.g. fog lamp, for motor vehicle, has case provided with assembly part, and lens provided with assembly part arranged to cooperate with part of case by screwing or clutching |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0956695A FR2950671A1 (en) | 2009-09-28 | 2009-09-28 | Lighting and signaling device e.g. fog lamp, for motor vehicle, has case provided with assembly part, and lens provided with assembly part arranged to cooperate with part of case by screwing or clutching |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2950671A1 true FR2950671A1 (en) | 2011-04-01 |
Family
ID=42027932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0956695A Withdrawn FR2950671A1 (en) | 2009-09-28 | 2009-09-28 | Lighting and signaling device e.g. fog lamp, for motor vehicle, has case provided with assembly part, and lens provided with assembly part arranged to cooperate with part of case by screwing or clutching |
Country Status (1)
Country | Link |
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FR (1) | FR2950671A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105674077A (en) * | 2015-03-13 | 2016-06-15 | 杭州华普永明光电股份有限公司 | LED module and lighting device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191300843A (en) * | 1913-01-10 | 1914-01-08 | J & R Oldfield Ltd | Improvements in or relating to Lamps for Motors and like Vehicles. |
GB203428A (en) * | 1922-06-17 | 1923-09-13 | Claude Eugene Goodyear | Improvements in or relating to lamps suitable for use on vehicles, and to the manufacture thereof |
US2273728A (en) * | 1939-12-29 | 1942-02-17 | Appleton Electric Co | Electric light fixture |
GB647374A (en) * | 1948-08-10 | 1950-12-13 | Butlers Ltd | Improvements relating to vehicle and other lamps |
FR2820377A1 (en) * | 2001-02-08 | 2002-08-09 | Faurecia Ind | Optical unit for motor vehicle lamp with improved fixing, uses clips with complementary halves attached to headlamp housing and to front glass of headlamp to attach glass to housing |
-
2009
- 2009-09-28 FR FR0956695A patent/FR2950671A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191300843A (en) * | 1913-01-10 | 1914-01-08 | J & R Oldfield Ltd | Improvements in or relating to Lamps for Motors and like Vehicles. |
GB203428A (en) * | 1922-06-17 | 1923-09-13 | Claude Eugene Goodyear | Improvements in or relating to lamps suitable for use on vehicles, and to the manufacture thereof |
US2273728A (en) * | 1939-12-29 | 1942-02-17 | Appleton Electric Co | Electric light fixture |
GB647374A (en) * | 1948-08-10 | 1950-12-13 | Butlers Ltd | Improvements relating to vehicle and other lamps |
FR2820377A1 (en) * | 2001-02-08 | 2002-08-09 | Faurecia Ind | Optical unit for motor vehicle lamp with improved fixing, uses clips with complementary halves attached to headlamp housing and to front glass of headlamp to attach glass to housing |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105674077A (en) * | 2015-03-13 | 2016-06-15 | 杭州华普永明光电股份有限公司 | LED module and lighting device |
CN105674077B (en) * | 2015-03-13 | 2019-10-18 | 杭州华普永明光电股份有限公司 | A kind of LED module and lighting device |
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