EP0800034A1 - Signal and/or lighting device for motorvehicle comprising a locked light bulb - Google Patents

Signal and/or lighting device for motorvehicle comprising a locked light bulb Download PDF

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Publication number
EP0800034A1
EP0800034A1 EP97400777A EP97400777A EP0800034A1 EP 0800034 A1 EP0800034 A1 EP 0800034A1 EP 97400777 A EP97400777 A EP 97400777A EP 97400777 A EP97400777 A EP 97400777A EP 0800034 A1 EP0800034 A1 EP 0800034A1
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EP
European Patent Office
Prior art keywords
lamp
socket
blade
mounting position
lighting device
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
EP97400777A
Other languages
German (de)
French (fr)
Other versions
EP0800034B1 (en
Inventor
Daniel Josquin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP0800034A1 publication Critical patent/EP0800034A1/en
Application granted granted Critical
Publication of EP0800034B1 publication Critical patent/EP0800034B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V19/0065—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base at least one conductive element acting as a support means, e.g. spring-mounted contact plate in a 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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—Details of lamp holders, terminals or connectors

Definitions

  • the invention relates to signaling and / or lighting devices for motor vehicles.
  • a signaling light comprising a socket and a lamp adapted to be introduced into the socket to an installation position.
  • the lamp base has bayonets adapted to be engaged in notches of the socket in order to lock the lamp in the mounting position.
  • a transparent glass is sealed on the light housing opposite the lamp. It was found that the lamp could be mounted in the socket without reaching the locking position, the lamp being only immobilized in the socket by jamming.
  • Such an assembly is precarious and the lamp can easily separate from the socket, for example under the effect of the vibrations generated by the rolling of the vehicle. The lamp then falls into the housing and remains trapped there. The same problem can occur on the assembly line after the glass has been sealed, resulting in the scrapping of the fire.
  • Document EP-0 637 859 describes a socket and lamp assembly for this type of motor vehicle, the lamp being adapted to be inserted into the socket to an installation position, the device comprising means for locking the lamp in mounting position, the socket comprising a flexible blade partially in the direction of insertion of the lamp, the blade being arranged to come into contact with the lamp before the lamp arrives in the mounting position.
  • An object of the present invention is to avoid fixing the lamp to the socket in a position different from the intended mounting position.
  • a signaling and / or lighting device for a motor vehicle comprising at least one socket and at least one lamp suitable for being inserted into the socket up to a mounting position, the device comprising means for locking the lamp in the mounting position, the socket comprising a flexible blade at least partially in the direction of insertion of the lamp, the blade being arranged to come into contact with the front lamp the arrival of the lamp in the mounting position, in which the blade has sufficient stiffness to eject the lamp out of the socket when the lamp is not locked.
  • the flexible blade biases the lamp in the direction opposite to its direction of introduction into the socket and the lamp is ejected from the socket. This avoids fixing the lamp to the socket in a position different from the intended mounting position.
  • the device in FIG. 1 is a signaling light for a motor vehicle. It comprises a lamp holder 2 comprising a socket 4 having a cylindrical wall with axis 5 and a bottom. It also includes a lamp 6 adapted to be introduced in translation along the axis 5 in the socket to a mounting position corresponding to the end of the lamp stroke in the socket.
  • the lamp has lateral bayonets 8.
  • the socket has notches 10 in the shape of an "L" reversed in the figure.
  • the large branch of the "L” is parallel to the axis 5 and opens at the open end of the socket.
  • the small branch of the "L” forms a 90 ° elbow with the small, and extends perpendicular to the axis 5, about halfway from the bottom and free end.
  • the introduction of the lamp base into the socket is effected by engaging the bayonets in translation along axis 5 in the respective notches, then after crossing the elbow by rotating the lamp a portion of a turn around the axis 5 to arrange the bayonets at the bottom of the notches.
  • the bayonets and the notches thus cooperate with each other to constitute means for locking the lamp in the mounting position in the socket.
  • the socket includes a flexible metal blade 12a, 12b arranged to come into contact with the lamp before the lamp arrives in the end-of-travel mounting position.
  • the blade 12a is adjacent to the bottom of the socket and is flexible in the direction of insertion of the lamp, namely along the axis 5.
  • the blade is fixed by a first end to the bottom of the socket and comes into contact with the lamp in the vicinity of a second end not parallel to the axis 5. Between these two ends, the blade has two successive opposite curvatures.
  • the blade has sufficient stiffness to eject the lamp from the socket when the lamp is not locked, that is to say when the lamp is inserted into the socket in the vicinity of the mounting position, without being locked.
  • This blade is an electrical connection blade of the lamp, intended to be connected to earth.
  • the blade 12b is adjacent to the side wall of the socket.
  • the blade is substantially rectilinear and inclined relative to the direction of introduction, namely the axis 5.
  • the blade is directed towards the bottom of the socket and is fixed to the wall by an end axially opposite the bottom.
  • the blade is partially flexible in the direction of insertion of the lamp.
  • the blade has sufficient stiffness to eject the lamp out of the socket when the lamp is not locked.
  • This blade is an electrical connection blade of the lamp, intended to be connected to a positive or negative terminal of an electrical supply.
  • the device may include or be a lighting projector.
  • the device may include several sockets and several lamps.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The lamp-holder (2), socket (4) has internal axial grooves (10) turning at the inner end at 90 degrees to form traps for the lamp-cap retaining pegs (8). The socket centre contact (12a), connected in the lamp-holder to one pole of the supply, is a bent metal leaf spring whose free end, lying transversely across the socket interior, meets the lamp-cap centre contact while the lamp is still being inserted. Continued insertion compresses the spring, which, if the bayonet fixing is not properly completed, ejects the lamp (6) from the socket. Alternatively, in these circumstances, the ejection is effected by a side contact (12b). This is a folded metal leaf, connected to the other supply pole, which encounters the lamp during insertion.

Description

L'invention concerne les dispositifs de signalisation et/ou d'éclairage pour véhicule automobile.The invention relates to signaling and / or lighting devices for motor vehicles.

On connaît un feu de signalisation comportant une douille et une lampe adaptée à être introduite dans la douille jusqu'à une position de montage. Le culot de la lampe comporte des baïonnettes adaptées à être engagées dans des encoches de la douille en vue de verrouiller la lampe en position de montage. Après montage de la lampe et du réflecteur, une glace transparente est scellée sur le boîtier du feu en regard de la lampe. On a constaté que la lampe pouvait être montée dans la douille sans atteindre la position de verrouillage, la lampe étant seulement immobilisée dans la douille par coincement. Un tel montage est précaire et la lampe peut facilement se séparer de la douille, par exemple sous l'effet des vibrations engendrées par le roulement du véhicule. La lampe tombe alors dans le boîtier et y demeure prisonnière. Le même problème peut survenir sur la chaîne de montage après que la glace a été scellée, ce qui entraîne la mise au rebut du feu.There is known a signaling light comprising a socket and a lamp adapted to be introduced into the socket to an installation position. The lamp base has bayonets adapted to be engaged in notches of the socket in order to lock the lamp in the mounting position. After mounting the lamp and the reflector, a transparent glass is sealed on the light housing opposite the lamp. It was found that the lamp could be mounted in the socket without reaching the locking position, the lamp being only immobilized in the socket by jamming. Such an assembly is precarious and the lamp can easily separate from the socket, for example under the effect of the vibrations generated by the rolling of the vehicle. The lamp then falls into the housing and remains trapped there. The same problem can occur on the assembly line after the glass has been sealed, resulting in the scrapping of the fire.

Le document EP-0 637 859 décrit un ensemble à douille et lampe pour véhicule automobile de ce type, la lampe étant adaptée à être introduite dans la douille jusqu'à une position de montage, le dispositif comportant des moyens de verrouillage de la lampe en position de montage, la douille comportant une lame flexible partiellement suivant la direction d'introduction de la lampe, la lame étant disposée pour venir en contact avec la lampe avant l'arrivée de la lampe en position de montage.Document EP-0 637 859 describes a socket and lamp assembly for this type of motor vehicle, the lamp being adapted to be inserted into the socket to an installation position, the device comprising means for locking the lamp in mounting position, the socket comprising a flexible blade partially in the direction of insertion of the lamp, the blade being arranged to come into contact with the lamp before the lamp arrives in the mounting position.

Un but de la présente invention est d'éviter la fixation de la lampe à la douille dans une position différente de la position de montage prévue.An object of the present invention is to avoid fixing the lamp to the socket in a position different from the intended mounting position.

En vue de la réalisation de ce but, on prévoit selon l'invention un dispositif de signalisation et/ou d'éclairage pour véhicule automobile, comportant au moins une douille et au moins une lampe adaptée à être introduite dans la douille jusqu'à une position de montage, le dispositif comportant des moyens de verrouillage de la lampe en position de montage, la douille comportant une lame flexible au moins partiellement suivant la direction d'introduction de la lampe, la lame étant disposée pour venir en contact avec la lampe avant l'arrivée de la lampe en position de montage, dans lequel la lame présente une raideur suffisante pour éjecter la lampe hors de la douille lorsque la lampe n'est pas verrouillée.In order to achieve this goal, there is provided according to the invention a signaling and / or lighting device for a motor vehicle, comprising at least one socket and at least one lamp suitable for being inserted into the socket up to a mounting position, the device comprising means for locking the lamp in the mounting position, the socket comprising a flexible blade at least partially in the direction of insertion of the lamp, the blade being arranged to come into contact with the front lamp the arrival of the lamp in the mounting position, in which the blade has sufficient stiffness to eject the lamp out of the socket when the lamp is not locked.

Ainsi, si la lampe est fixée à la douille dans une position différente de la position de montage prévue, la lame flexible sollicite la lampe dans le sens opposé à son sens d'introduction dans la douille et la lampe se trouve éjectée de la douille. On évite donc la fixation de la lampe à la douille dans une position différente de la position de montage prévue.Thus, if the lamp is fixed to the socket in a position different from the intended mounting position, the flexible blade biases the lamp in the direction opposite to its direction of introduction into the socket and the lamp is ejected from the socket. This avoids fixing the lamp to the socket in a position different from the intended mounting position.

D'autres caractéristiques et avantages de l'invention apparaîtront encore à la lecture de la description suivante de deux modes de réalisation préférés donnés à titre d'exemples non limitatifs. Au dessin annexé:

  • la figure unique est une vue en coupe axiale d'un dispositif de signalisation illustrant deux modes de réalisation de l'invention.
Other characteristics and advantages of the invention will become apparent on reading the following description of two preferred embodiments given by way of nonlimiting examples. In the attached drawing:
  • the single figure is an axial sectional view of a signaling device illustrating two embodiments of the invention.

Le dispositif de la figure 1 est un feu de signalisation pour véhicule automobile. Il comporte un porte-lampe 2 comprenant une douille 4 présentant une paroi cylindrique d'axe 5 et un fond. Il comporte également une lampe 6 adaptée à être introduite en translation suivant l'axe 5 dans la douille jusqu'à une position de montage correspondant à la fin de la course de la lampe dans la douille. La lampe comporte des baïonnettes latérales 8. La douille comporte des encoches 10 en forme de "L" renversé sur la figure. La grande branche du "L" est parallèle à l'axe 5 et débouche à l'extrémité ouverte de la douille. La petite branche du "L" forme un coude à 90° avec la petite, et s'étend perpendiculairement à l'axe 5, environ à mi-chemin du fond et de extrémité libre. L'introduction du culot de la lampe dans la douille s'effectue en engageant les baïonnettes en translation suivant l'axe 5 dans les encoches respectives, puis après franchissement du coude en faisant tourner la lampe d'une portion de tour autour de l'axe 5 pour disposer les baïonnettes au fond des encoches. Les baïonnettes et les encoches coopèrent ainsi mutuellement pour constituer des moyens de verrouillage de la lampe en position de montage dans la douille.The device in FIG. 1 is a signaling light for a motor vehicle. It comprises a lamp holder 2 comprising a socket 4 having a cylindrical wall with axis 5 and a bottom. It also includes a lamp 6 adapted to be introduced in translation along the axis 5 in the socket to a mounting position corresponding to the end of the lamp stroke in the socket. The lamp has lateral bayonets 8. The socket has notches 10 in the shape of an "L" reversed in the figure. The large branch of the "L" is parallel to the axis 5 and opens at the open end of the socket. The small branch of the "L" forms a 90 ° elbow with the small, and extends perpendicular to the axis 5, about halfway from the bottom and free end. The introduction of the lamp base into the socket is effected by engaging the bayonets in translation along axis 5 in the respective notches, then after crossing the elbow by rotating the lamp a portion of a turn around the axis 5 to arrange the bayonets at the bottom of the notches. The bayonets and the notches thus cooperate with each other to constitute means for locking the lamp in the mounting position in the socket.

La douille comporte une lame métallique flexible 12a, 12b disposée pour venir en contact avec la lampe avant l'arrivée de la lampe en position de montage en fin de course.The socket includes a flexible metal blade 12a, 12b arranged to come into contact with the lamp before the lamp arrives in the end-of-travel mounting position.

Dans le premier mode de réalisation, la lame 12a est adjacente au fond de la douille et est flexible suivant la direction d'introduction de la lampe, à savoir suivant l'axe 5. La lame est fixée par une première extrémité au fond de la douille et vient en contact avec la lampe au voisinage d'une deuxième extrémité non parallèle à l'axe 5. Entre ces deux extrémités, la lame présente deux courbures successives opposées. La lame présente une raideur suffisante pour éjecter la lampe hors de la douille lorsque la lampe n'est pas verrouillée, c'est-à-dire lorsque la lampe est introduite dans la douille au voisinage de la position de montage, sans être verrouillée. Cette lame est une lame de connexion électrique de la lampe, destinée à être reliée à la masse.In the first embodiment, the blade 12a is adjacent to the bottom of the socket and is flexible in the direction of insertion of the lamp, namely along the axis 5. The blade is fixed by a first end to the bottom of the socket and comes into contact with the lamp in the vicinity of a second end not parallel to the axis 5. Between these two ends, the blade has two successive opposite curvatures. The blade has sufficient stiffness to eject the lamp from the socket when the lamp is not locked, that is to say when the lamp is inserted into the socket in the vicinity of the mounting position, without being locked. This blade is an electrical connection blade of the lamp, intended to be connected to earth.

Dans le deuxième mode de réalisation, la lame 12b est adjacente à la paroi latérale de la douille. La lame est sensiblement rectiligne et inclinée par rapport à la direction d'introduction, à savoir l'axe 5. La lame est dirigée vers le fond de la douille et est fixée à la paroi par une extrémité opposée axialement au fond. La lame est flexible partiellement suivant la direction 5 d'introduction de la lampe. Ici aussi, la lame présente une raideur suffisante pour éjecter la lampe hors de la douille lorsque la lampe n'est pas verrouillée. Cette lame est une lame de connexion électrique de la lampe, destinée à être reliée à une borne positive ou négative d'une alimentation électrique.In the second embodiment, the blade 12b is adjacent to the side wall of the socket. The blade is substantially rectilinear and inclined relative to the direction of introduction, namely the axis 5. The blade is directed towards the bottom of the socket and is fixed to the wall by an end axially opposite the bottom. The blade is partially flexible in the direction of insertion of the lamp. Here too, the blade has sufficient stiffness to eject the lamp out of the socket when the lamp is not locked. This blade is an electrical connection blade of the lamp, intended to be connected to a positive or negative terminal of an electrical supply.

Bien entendu, on pourra apporter à l'invention de nombreuses modifications sans sortir du cadre de celle-ci. Ainsi, le dispositif pourra comprendre ou être un projecteur d'éclairage. Le dispositif pourra comprendre plusieurs douilles et plusieurs lampes.Of course, many modifications can be made to the invention without departing from the scope thereof. Thus, the device may include or be a lighting projector. The device may include several sockets and several lamps.

Claims (6)

Dispositif de signalisation et/ou d'éclairage pour véhicule automobile, comportant au moins une douille (4) et au moins une lampe (6) adaptée à être introduite dans la douille jusqu'à une position de montage, le dispositif comportant des moyens de verrouillage de la lampe en position de montage, la douille comportant une lame (12a; 12b) flexible au moins partiellement suivant la direction (5) d'introduction de la lampe, la lame étant disposée pour venir en contact avec la lampe avant l'arrivée de la lampe en position de montage, caractérisé en ce que la lame présente une raideur suffisante pour éjecter la lampe hors de la douille lorsque la lampe n'est pas verrouillée.Signaling and / or lighting device for a motor vehicle, comprising at least one socket (4) and at least one lamp (6) adapted to be inserted into the socket to an installation position, the device comprising means for locking the lamp in the mounting position, the socket comprising a blade (12a; 12b) flexible at least partially in the direction (5) of insertion of the lamp, the blade being arranged to come into contact with the lamp before the arrival of the lamp in the mounting position, characterized in that the blade has sufficient stiffness to eject the lamp out of the socket when the lamp is not locked. Dispositif selon la revendication 1, caractérisé en ce que la lame (12a) est adjacente à un fond de la douille et est flexible suivant la direction d'introduction de la lampe.Device according to claim 1, characterized in that the blade (12a) is adjacent to a bottom of the socket and is flexible in the direction of insertion of the lamp. Dispositif selon la revendication 2, caractérisé en ce que la lame (12a) présente deux courbures successives opposées.Device according to claim 2, characterized in that the blade (12a) has two successive opposite curvatures. Dispositif selon la revendication 2 ou 3, caractérisé en ce que la lame (12a) est une lame de connexion électrique de la lampe, destinée à être reliée à la masse.Device according to claim 2 or 3, characterized in that the blade (12a) is an electrical lamp connection blade, intended to be connected to ground. Dispositif selon la revendication 1, caractérisé en ce que la lame (12b) est adjacente à une paroi latérale de la douille, la lame étant sensiblement rectiligne et inclinée par rapport à la direction d'introduction.Device according to claim 1, characterized in that the blade (12b) is adjacent to a side wall of the sleeve, the blade being substantially straight and inclined relative to the direction of introduction. Dispositif selon la revendication 5, caractérisé en ce que la lame (12b) est une lame de connexion électrique de la lampe, destinée à être reliée à une borne d'une alimentation.Device according to claim 5, characterized in that the blade (12b) is a blade for electrical connection of the lamp, intended to be connected to a terminal of a power supply.
EP97400777A 1996-04-04 1997-04-03 Signal and/or lighting device for motorvehicle comprising a locked light bulb Expired - Lifetime EP0800034B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604266 1996-04-04
FR9604266A FR2747180B1 (en) 1996-04-04 1996-04-04 SIGNALING AND / OR LIGHTING DEVICE FOR A MOTOR VEHICLE WITH A LOCKED LAMP

Publications (2)

Publication Number Publication Date
EP0800034A1 true EP0800034A1 (en) 1997-10-08
EP0800034B1 EP0800034B1 (en) 2002-10-02

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ID=9490926

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97400777A Expired - Lifetime EP0800034B1 (en) 1996-04-04 1997-04-03 Signal and/or lighting device for motorvehicle comprising a locked light bulb

Country Status (4)

Country Link
EP (1) EP0800034B1 (en)
DE (1) DE69715947T2 (en)
ES (1) ES2184966T3 (en)
FR (1) FR2747180B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107514578A (en) * 2017-09-06 2017-12-26 柴玲飞 A kind of LED lamp of convenient installation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913219A (en) * 2015-06-15 2015-09-16 何小平 Clamped-connection type LED lamp filament energy-saving lamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0637859A1 (en) * 1993-08-06 1995-02-08 Sumitomo Wiring Systems, Ltd. Bulb socket

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0637859A1 (en) * 1993-08-06 1995-02-08 Sumitomo Wiring Systems, Ltd. Bulb socket

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107514578A (en) * 2017-09-06 2017-12-26 柴玲飞 A kind of LED lamp of convenient installation
CN107514578B (en) * 2017-09-06 2018-06-19 中投远航科技有限公司 A kind of LED lamp

Also Published As

Publication number Publication date
EP0800034B1 (en) 2002-10-02
FR2747180B1 (en) 1998-06-26
DE69715947D1 (en) 2002-11-07
DE69715947T2 (en) 2003-08-07
FR2747180A1 (en) 1997-10-10
ES2184966T3 (en) 2003-04-16

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