EP0682208B1 - Projecteur de véhicule automobile avec dispositif de fixation de l'ampoule - Google Patents

Projecteur de véhicule automobile avec dispositif de fixation de l'ampoule Download PDF

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Publication number
EP0682208B1
EP0682208B1 EP95106639A EP95106639A EP0682208B1 EP 0682208 B1 EP0682208 B1 EP 0682208B1 EP 95106639 A EP95106639 A EP 95106639A EP 95106639 A EP95106639 A EP 95106639A EP 0682208 B1 EP0682208 B1 EP 0682208B1
Authority
EP
European Patent Office
Prior art keywords
bulb
lamp
vehicle headlamp
retaining element
headlamp according
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
Application number
EP95106639A
Other languages
German (de)
English (en)
Other versions
EP0682208A1 (fr
Inventor
Berthold Döring
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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
Application filed by Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP0682208A1 publication Critical patent/EP0682208A1/fr
Application granted granted Critical
Publication of EP0682208B1 publication Critical patent/EP0682208B1/fr
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
    • 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
    • F21S41/196—Wire spring attachments

Definitions

  • Vehicle headlight with a device for arranging a lamp with one for Receiving the lamp serving opening, with a counter to the direction of insertion Lamp facing surface, between the and the base of the lamp three contact points consist of the tips of a triangle surrounding the lamp axis and of which a contact point protrudes radially outwards from the base Positioning tab is assigned, which can be used in a recess and with a resilient holding element through which the base with its side radially to the lamp axis can be pressed against a fixing element, with the resilient holding element both with a spring force directed in the direction of insertion of the lamp and also with a Fixing element directed spring force can be applied to the base of the lamp.
  • a vehicle headlight with a device for arranging a lamp is from the DE-GM 91 04 169 known.
  • the lamp is in a made of plastic ring-shaped lamp holder can be used.
  • the lamp holder is one off at the back Sheet metal reflector attached and surrounds an inserted in the reflector Opening.
  • the lamp is ahead with a glass bulb that receives a filament the opening of the reflector can be passed through and with a flange surrounding the base can be placed against a surface directed against the direction of insertion of the lamp.
  • the touch The flange of the base with the surface takes place at three contact points, which are the tips of an equilateral triangle, with the center of gravity approximately the lamp axis runs.
  • One of the three contact points is assigned to a positioning tab, which protrudes radially outward from the flange. Through the positioning tab, through the the Positioning flap adjacent contact point and the The lamp axis runs an axis of symmetry of the triangle.
  • the Positioning tab is by two in the flange of the Base recesses formed, which each have two sides perpendicular to each other. One of the sides of the recesses is adjacent to the Positioning tabs while the other two sides the cutouts run on a common line.
  • the Opening in the lamp holder is on the flange of the base and the one cut out of the flange Positioning tab adjusted.
  • a resilient Holding element which is molded onto the lamp holder resilient tongue is under with its free end Preload on the free edge of the positioning tab rests and with a spring force, which in the direction of Axis of symmetry and the lamp axis, the flange of the base against the inside of the circular arc opening of the lamp holder presses. It also serves Locking the lamp a molded onto the lamp holder second resilient tongue, which is biased to one of the both parallel to each other and to the axis of symmetry narrow side surface of the positioning tab is. This is to determine the exact angular position of the lamp become.
  • the disadvantage here is that to determine the radial position and the angular position of the lamp to the Bulb holder two resilient tongues are formed and the Opening in the lamp holder with the inside of the course the outline of the one having the positioning tab Flange of the base is adjusted. Furthermore, the Lock the lamp in the direction of the lamp axis further resilient holding element necessary to Example can be a retaining spring that the flange of the Presses base against the contact surface of the lamp holder. In addition, the exact location of the filament of the lamp not even towards the reflecting surface of the reflector safe when the lamp is exactly aligned with the lamp holder is because this is a separate part and itself to the reflective surface of the reflector must be aligned.
  • DE 28 53 227 A1 describes a vehicle headlight with a device for Arrangement of a lamp has become known, through which a lamp in the opening of a separate lamp holder by a single resilient holding element radially and axially can be locked.
  • the resilient holding element is a curved resilient sheet metal strip, which rests with its free end section on an edge of a base plate and with this edge presses the base plate both axially and radially. So that the plinth not on the side opposite the resilient holding element from its Lifting contact surface, he is on this side in a radially open recess of the Lamp holder inserted. This is a rattle-free tight fit of the lamp on the Bulb holder not safe. In addition, it is not possible to use the separate lamp holder align exactly with the reflecting surface of the reflector.
  • a device for arranging a lamp has a U-shaped retaining spring Wire through which the lamp both radially and axially in an opening of the Reflector can be locked.
  • the retaining spring spans the base with its two legs the lamp and presses it axially with both legs against a contact surface of the Reflector.
  • Between a pivot bearing of the retaining spring and a cylindrical one Base section have both legs a reducing their distance from each other Bend on. With one side of the bend, both legs lie on the cylindrical one Base section of the lamp and push it away from the pivot bearing of the retaining spring and thus in the direction of the longitudinal expansion of the legs.
  • the turns of the two Legs must always be precisely tolerated so that it is certain that both legs are attached to the cylindrical base of the lamp rest, otherwise the lamp in an undesirable radial direction would be pressed.
  • the object of the invention is the vehicle headlight described in the preamble of claim 1 with a device for arranging a lamp so too shape that the lamp axially and radially by a single resilient holding element Lamp axis is sufficiently strong and such a bracket even with a single Point of attack between the resilient holding element and the base of the lamp possible is so that the retaining spring and its fasteners do not have to be closely tolerated.
  • This object is achieved according to the invention in that the side of the base, the is pressed radially to the lamp axis against a fixing element, the Positioning tab diametrically opposite, and the resilient retaining element between the contact point assigned to the positioning tab and the lamp axis to the Base of the lamp can be put on.
  • the holding element at a point of application of the base Bias is applied, the holding element can be attached directly to the reflector become.
  • no separate lamp holder has to be used, which means that very precise locking of the lamp to the reflection surface of the reflector can be achieved.
  • the positioning tab for a small game between it and the recess is easily displaceable in the recess. As a result, the lamp is precisely fixed in its angular position and after resilient application of the holding element to the base of the lamp ensures that the base is radial to Lamp axis rests on the fixing element.
  • the opening serving to receive the lamp is on is provided on the inside with the fixing element, which is two from each other are spaced fixation points between which a line runs through the Recess for the positioning tab passes through and intersects the lamp axis.
  • fixing points can be on the inner surface of the Flattened or raised openings are used.
  • the precisely fixable positioning tab and the two Fixation points that are the tips of a triangle is one very precise radial locking of the lamp safely.
  • the two fixation points line running through an axis of symmetry of the the latter triangle and the triangle, the tips of which are formed by the investment points.
  • the resilient holding element spanned the base off-center and with both End sections each on an abutment both in radial as well as in the axial direction to the lamp axis.
  • the resilient holding element is U-shaped, both Leg axially against the surface and radially against press the fixing element. This makes the lamp both held radially and axially very securely.
  • the two legs of the U-shaped holding element each in one from diametrically opposite sides of an annular groove engage with both legs at the bottom of the ring groove and one leg on the inside and the other Leg on the other inside of the ring groove below Preload can be applied.
  • the holding element is light and simple on the base of the Bulb can be put on under pre-tension.
  • the holding element at mounted lamp is spread apart with its legs and the two free end sections of the U-shaped Holding element each in a slot-like recess can be used, with the two cutouts open sides are turned and the resilient holding element is pivotable about the web connecting the legs.
  • the fixing element of the shape of the reflecting surface of the reflector Half of the mold is shaped. This makes the lamp very precise aligned with the reflective surface of the reflector.
  • a bowl-shaped reflector made of plastic (2) has a circular opening in the area of its apex (3) on.
  • a lamp (1) is inserted into the opening (3), which in the opening (3) by a resilient holding element (10) can be held.
  • the lamp (1) has an existing sheet metal cylindrical base (5). On a top surface of the cylindrical base (5) is a filament (24) enveloping glass bulb (25) while attached to the other Cover surface of the cylindrical base (5) as electrical Contact tabs serving connector lugs (26) attached are.
  • the cylindrical base (5) has a base plate (27), which with its circumferential free edge radially is directed outwards.
  • the base plate (27) is on the directed towards the electrical connector lugs (26) Side an annular groove (19) introduced and in the to the annular groove (19) adjacent free edge section are at three over the Circumference of the base plate (27) evenly distributed channels introduced, which is radial in its longitudinal extent Lamp axis (7) run and with the glass bulb (25) facing outside as contact points (6) for the lamp (1) to serve.
  • the investment points (6) are the tips of one equilateral triangle (30), through its center of gravity approximately the lamp axis (7) runs.
  • One of the Contact points (6) is a positioning tab (8) assigned which by two in the outer edge section of the base plate (27) introduced rectangular Free cuts is formed. The positioning tab (8) points radially outwards with its free end.
  • the reflector made of plastic (2) introduced opening (3) on the adjacent and outward surface (4) elevations, the End faces are the surface (4) on which the lamp (1) can be created with the contact points (6).
  • the opening (3) of the Reflector (2) is much larger than one in it immersed cylindrical portion of the base plate (27).
  • the latter cylindrical section is from the outside of the Ring groove (19) of the base plate (27) is formed.
  • the Positioning tab (8) is with a little play in one Recess (9) inserted, which of two to the rear of the reflector (2) molded lugs (28) is formed.
  • the approaches (28) engage in the rectangular postage to the side of the positioning tab (8).
  • the plinth lies diametrically on the positioning tab (8) opposite side with its cylindrical section on a fixing element (11).
  • the fixation element (11) is formed by two fixing points, which The inside of the opening (3) is flattened.
  • the two Fixation points (11) lie symmetrically to a line (14), which is centered by the positioning tab (8) and the Lamp axis (7) runs.
  • the two fixation points (11) and the positioning tab (8) are the tips of one isosceles triangle (29), the side between the two fixing points (11) is significantly shorter than that isosceles sides.
  • Line (14) is that Axis of symmetry to the isosceles triangle (29) and the equilateral triangle (30) the tips of which Contact points (6) of the lamp (1) on the contact surfaces (4) are formed.
  • the resilient holding element (10) is made of spring wire and bent into a U shape.
  • the legs (17 and 18) of the Holding element (10) extend in their longitudinal extent horizontal and the web connecting the legs (17 and 18) (21) vertical.
  • the web (21) is in one at the back of the reflector (2) molded projection (31) pivotable stored.
  • the projection (31) borders on the side faces two legs (17, 18) of the holding element (10) so that the web (21) is locked in its longitudinal extent.
  • the Legs (17, 18) span across from each other Sides of the cylindrical base (5) the base plate (27) and are with their free end sections on one projection (32) molded onto the rear of the reflector (2) releasably attached.
  • each of the projections (32) Recess (20) introduced, which are with open sides are facing and the free end portions of the legs (17, 18).
  • the legs (17, 18) are theirs free end bent to an eyelet (33), which as Handle for releasing the holding element (10) is used.
  • eyelet 33
  • the two eyelets (33) comes the free End portions of the legs (17, 18) from the engagement of the Recesses (20) of the projections (32) and the legs can be pivoted away from the base of the lamp (1).
  • the two spring Legs (17 and 28) apart. Then the lamp (1) can be replaced quickly and easily with a new one.
  • Both legs (17, 18) are in the area of the base plate (27) towards the base plate (27) and reach into the Ring groove (19) of the base plate (27).
  • the one Positioning tabs (8) adjacent legs (17) is located in the direction of the lamp axis (7)
  • To the Spring force (12, 13) serves as the swivel bearing Approach (18) and the free end portion of the leg (17) receiving projection (32) as an abutment (15 or 16).
  • FIG 4 shows a printing surface (23) with which the leg (17) radially against the inside (34) of the Socket (5) presses.
  • two printing surfaces (35) shown with which the legs (17, 18) against the Press the bottom of the ring groove (19).
  • the leg (18) lies with his in the ring groove (19) engaging bend with two Pressure surfaces (22) on the outer edge of the annular groove (19).
  • the lamp (1) is both radial without the leg (18) and also axially locked in the opening (3) because the Pressure areas (23 and 35) of the leg (18) in the equilateral triangle (30), the tips of which Contact points (6) of the lamp (1) are formed, and on the Line (14) lie which the axis of symmetry to the isosceles triangle (29), the tips of which Fixation points (11) and the positioning tab (8) is formed.

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)

Claims (10)

  1. Phare de véhicule comportant un dispositif destiné à l'agencement d'une lampe, comportant une ouverture (3) servant à la réception de la lampe (1), une surface (4) orientée à l'encontre de la direction de mise en place de la lampe (1), trois points d'appui (6) se trouvant entre ladite surface et le socle (5) de la lampe, lesquels forment les sommets d'un triangle (30) entourant l'axe (7) de la lampe et dont un point d'appui (6) est associé à une patte de positionnement (8) faisant saillie radialement vers l'extérieur hors du socle (5), laquelle est susceptible d'être mise en place dans un évidement (9), et comportant un élément de retenue élastique (10) au moyen duquel le socle (5) est susceptible d'être pressé avec sa face radialement par rapport à l'axe (7) de la lampe contre d'un élément de fixation, l'élément de retenue élastique étant susceptible d'être mis en appui sur le socle (5) de la lampe (1) tant avec une force de ressort (12) orientée en direction de mise en place de la lampe (1) qu'avec une force de ressort (13) orientée vers l'élément de fixation (11), caractérisé en ce que la face du socle (5) qui est susceptible d'être pressée contre d'un élément de fixation (11) radialement par rapport à l'axe (7) de la lampe est diamétralement opposée à la patte de positionnement (8), et en ce que l'élément de retenue (10) élastique est susceptible d'être mis en appui sur le socle (5) de la lampe (1) entre le point d'appui (6) associé à la patte de positionnement (8) et l'axe (7) de la lampe.
  2. Phare selon la revendication 1, caractérisé en ce que l'ouverture (3) servant à la réception de la lampe (1) est pourvue de l'élément de fixation (11) sur sa face intérieure.
  3. Phare selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que comme élément de fixation (11) servent deux points de fixation espacés l'un de l'autre, entre lesquels passe une ligne (14) qui passe à travers l'évidement (9) pour la patte de positionnement (8) et qui coupe l'axe (7) de la patte.
  4. Phare selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les deux points de fixation (11) sont formés par des creux ou des reliefs ménagés sur la surface intérieure de l'ouverture (3).
  5. Phare selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément de retenue (10) élastique coiffe le socle de façon décentrée et prend appui avec une butée (15 et 16) respective tant en direction radiale qu'en direction axiale par rapport à l'axe (7) de la lampe.
  6. Phare selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément de retenue (10) élastique est réalisé en forme de U, les deux branches (17, 18) pressant le socle (5) axialement contre la surface (4).
  7. Phare selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les deux branches (17, 18) de l'élément de retenue (10) en forme de U pressent le socle (5) radialement contre l'élément de fixation (11).
  8. Phare selon l'une ou l'autre des revendications 6 et 7, caractérisé en ce que les deux branches (17, 18) de l'élément de retenue (10) en forme de U s'engagent chacune dans l'un de côtés diamétralement opposés d'une gorge annulaire (19), les deux branches (17, 18) étant susceptibles de venir en appui sous précontrainte sur le fond de la gorge annulaire (19), et une branche (17) venant en appui sur l'une des faces intérieures et l'autre branche (18) sur l'autre face intérieure de la gorge annulaire (19).
  9. Phare selon la revendication 6, 7 ou 8, caractérisé en ce que lorsque la lampe (1) est montée, l'élément de retenue (10) s'écarte de manière élastique avec ses branches (17, 18).
  10. Phare selon l'une quelconque des revendications 6 à 9, caractérisé en ce que les deux tronçons d'extrémité libres de l'élément de retenue (10) en forme de U sont susceptibles d'être chacun mis en place dans une fenêtre (20) en forme de fente, les deux fenêtres (20) se faisant face par leurs côtés ouverts, et l'élément de retenue élastique (10) étant pivotant autour de la barrette (21) reliant les branches.
EP95106639A 1994-05-13 1995-05-03 Projecteur de véhicule automobile avec dispositif de fixation de l'ampoule Expired - Lifetime EP0682208B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4416925A DE4416925C1 (de) 1994-05-13 1994-05-13 Vorrichtung zur Halterung einer Lampe an einem Reflektor eines Fahrzeug-Scheinwerfers
DE4416925 1994-05-13

Publications (2)

Publication Number Publication Date
EP0682208A1 EP0682208A1 (fr) 1995-11-15
EP0682208B1 true EP0682208B1 (fr) 1999-08-11

Family

ID=6518073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95106639A Expired - Lifetime EP0682208B1 (fr) 1994-05-13 1995-05-03 Projecteur de véhicule automobile avec dispositif de fixation de l'ampoule

Country Status (4)

Country Link
US (1) US5651603A (fr)
EP (1) EP0682208B1 (fr)
AT (1) ATE183298T1 (fr)
DE (2) DE4416925C1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5855430A (en) * 1997-02-21 1999-01-05 Osram Sylvania Inc. Vehicle headlamp assembly
US6056405A (en) * 1998-10-15 2000-05-02 In Focus Systems, Inc. Lamp module with kinematic mount
JP2000149621A (ja) * 1998-11-16 2000-05-30 Koito Mfg Co Ltd 車両用前照灯
AT411991B (de) 1998-11-18 2004-08-26 Steco Logistic Gmbh Behälter aus mehreren platten
DE19855411A1 (de) * 1998-12-01 2000-06-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Lampe
KR20020075401A (ko) * 2000-12-11 2002-10-04 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 반사기 램프, 그의 조립체 및 조립체 결합 방법
DE10140267B4 (de) * 2001-08-16 2007-02-01 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
DE20301294U1 (de) * 2003-01-28 2004-06-09 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für Fahrzeuge
US8760589B2 (en) * 2007-05-03 2014-06-24 Seiko Epson Corporation Retention of a replaceable part within a device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853227A1 (de) * 1978-12-09 1980-06-19 Daimler Benz Ag Befestigung einer gluehfadenlampe an einem reflektor eines fahrzeugscheinwerfers
DE3433347A1 (de) * 1983-03-24 1985-10-03 Niedermayr Papierwarenfabrik Ag, 8200 Rosenheim Vorrichtung zur herstellung von faltbodensaecken
GB8330925D0 (en) * 1983-11-19 1983-12-29 Lucas Ind Plc Retaining device
DE3713330C2 (de) * 1987-04-21 1993-12-23 Hella Kg Hueck & Co Glühlampenhalterung für Kraftfahrzeugscheinwerfer
FR2626062B1 (fr) * 1988-01-15 1990-05-04 Cibie Projecteurs Systeme de verrouillage et de deverrouillage d'une lampe sur un porte-lampe, plus particulierement pour un dispositif d'eclairage ou de signalisation notamment de vehicule automobile
FR2630193B1 (fr) * 1988-04-19 1990-07-20 Ficea Systeme de montage de lampes de differents types sur le reflecteur d'un projecteur
DE3826106A1 (de) * 1988-08-01 1990-02-08 Hella Kg Hueck & Co Fahrzeugscheinwerfer
US4933819A (en) * 1988-09-15 1990-06-12 Hella Kg Hueck & Co. Apparatus for mounting a bulb in a reflector opening of a headlight
DE3933347A1 (de) * 1989-10-06 1991-04-11 Hella Kg Hueck & Co Vorrichtung zur befestigung einer in die oeffnung eines reflektors eingesetzten gluehlampe eines fahrzeugscheinwerfers
FR2669400A1 (fr) * 1990-11-15 1992-05-22 Valeo Vision Dispositif de fixation d'une lampe sur un reflecteur de projecteur.
DE9104169U1 (de) * 1991-04-06 1992-07-30 Robert Bosch Gmbh, 7000 Stuttgart Scheinwerfer für Kraftfahrzeuge
JPH0617003U (ja) * 1992-06-12 1994-03-04 スタンレー電気株式会社 車両用前照灯の電球取付部

Also Published As

Publication number Publication date
ATE183298T1 (de) 1999-08-15
DE59506565D1 (de) 1999-09-16
DE4416925C1 (de) 1995-06-01
EP0682208A1 (fr) 1995-11-15
US5651603A (en) 1997-07-29

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