EP0926432B1 - Dispositif de support de douille d'une lampe pour phare - Google Patents

Dispositif de support de douille d'une lampe pour phare Download PDF

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Publication number
EP0926432B1
EP0926432B1 EP98123626A EP98123626A EP0926432B1 EP 0926432 B1 EP0926432 B1 EP 0926432B1 EP 98123626 A EP98123626 A EP 98123626A EP 98123626 A EP98123626 A EP 98123626A EP 0926432 B1 EP0926432 B1 EP 0926432B1
Authority
EP
European Patent Office
Prior art keywords
retaining
lamp
socket
bulge
retaining spring
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
EP98123626A
Other languages
German (de)
English (en)
Other versions
EP0926432A3 (fr
EP0926432A2 (fr
Inventor
Reinhardt Dikau
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 EP0926432A2 publication Critical patent/EP0926432A2/fr
Publication of EP0926432A3 publication Critical patent/EP0926432A3/fr
Application granted granted Critical
Publication of EP0926432B1 publication Critical patent/EP0926432B1/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

  • the invention relates to a fitting device for a lamp of a vehicle headlamp with a mounted on the back of the reflector mounting ring, with a pivotable U-shaped retaining spring, which serves to hold the lamp in the mounting ring and their legs connecting web in a directed towards the reflector bearing shell a projection of the mounting ring is arranged and held in the bearing shell by facing away from the reflector bearing surfaces of the mounting ring.
  • Such a generic fitting device for a lamp of a vehicle headlamp is known from DE 37 29 984 C1.
  • the mountable on a reflector mounting ring is designed sleeve-shaped and manufactured by injection molding or die casting.
  • the lamp is inserted from the back of the headlamp into the central opening of the mounting ring and abuts with its base flange on a bearing surface of the mounting ring.
  • the legs of a spring wire existing U-shaped retaining spring are under bias and hold the base flange against the support surface of the mounting ring.
  • One leg of the U-shaped retaining spring is made longer and engages behind with its free end portion of the edge of an inserted into the mounting ring holding opening.
  • the legs connecting straight web of the retaining spring is rotatably mounted in a bearing shell of a projection.
  • the projection is directed radially inwards and has on the side facing the reflector towards the bearing shell.
  • an additional passage opening is introduced into the mounting ring.
  • the passage opening is designed to be relatively large, so that the service life of the serving for the production of the mounting ring tool is not reduced because of the passage opening.
  • this In order to stably perform the mounting ring with the serving for demoulding the bearing shell large passage opening, this has a relatively large outer diameter and is sleeve-shaped at its outer edge.
  • the mounting ring would have to have even larger external dimensions if a larger one was to accommodate the lamp central opening and a larger in size bearing surface for the base flange would be necessary.
  • the retaining spring rests with lateral sections of its straight web on facing away from the reflector bearing surfaces of the mounting ring. Due to the contact surfaces of the mounting ring of the web is held radially in the bearing shell. The adjoining the web portions of the two legs of the retaining spring adjacent to facing bearing surfaces of retaining elements of the mounting ring. By the latter contact surfaces, the retaining spring is held axially to the pivot axis. In order to mount the retaining spring, the two legs must be pressed very far to each other, so that the web connecting the legs bends and can be inserted into the bearing shell of the projection. Such assembly is cumbersome and time consuming, since it is only manually feasible.
  • the object of the invention is to make the fitting device described in the preamble of claim 1 for a lamp of a vehicle headlight such that introduced to produce the bearing surface for the retaining spring no downtime of the tool and the stability of the mounting ring reducing additional passage opening in the mounting ring must be able to produce the socket ring even with a large central opening or large support surface for the lamp with small outer dimensions.
  • the pivotable retaining spring is arranged with the central portion of a bulge of its web in the bearing shell of the projection, which protrudes radially from the mounting ring to the outside and adjacent to the bulge lateral portions two facing sides of retaining lugs surmounted by the mounting ring, each having at least one contact surface for the two lateral portions of the web.
  • the mounting ring on the pivot bearing in the radial direction only with the bearing shell having projection and the side of the projection arranged retaining lugs must project beyond the lamp.
  • the mounting of the retaining spring is simple and machine feasible, since the retaining spring is to mount with the middle portion of the bulge of its web only in the bearing shell andfineschwenken after hanging the spring to the reflector away side facing the mounting ring.
  • the lateral sections of the web adjacent to the bulge of the web are adjacent to an abutment surface on either side of the protrusion arranged holding lugs.
  • the retaining spring is held during its pivoting with the web radially to the pivot axis in the bearing shell of the projection.
  • the retaining spring is locked in the direction of the pivot axis when the facing sides of the two retaining lugs of the mounting ring serve as abutment surfaces for the leg portions of the bulge of the web. This should be enough clearance between the bulge of the web and the two retaining lugs, so that the retaining spring is easily swiveled.
  • the retaining spring When holding lugs, which have small dimensions radially to the central axis of the mounting ring, the retaining spring is held radially to the pivot axis securely in the bearing shell, when the mounting ring adjacent to the central portion of the bulge of the retaining spring for the two leg portions of the bulge two directed against the direction of insertion of the lamp Has contact surfaces and serving for the lateral portions of the web abutment surfaces of the retaining lugs are formed by the counter to the direction of insertion of the lamp directed end faces of the retaining lugs.
  • the dimensions of the retaining lugs may correspond radially to the central axis of the mounting ring approximately the radial dimension of the bearing shell having projection.
  • the two holding lugs each have a stop cam for the leg portions of the bulge of the web of the retaining spring at the opposite end of the insertion direction of the lamp directed end portions.
  • the retaining spring is not pivotable so far that it falls out of the bearing shell of the projection with the central portion of its bulge.
  • the holding lugs together with a projection having the central wall, seen in the direction of insertion of the lamp, a U-shaped bearing point for the retaining spring, wherein the bearing shell having projection at the free end of the central wall is formed and with its bearing shell surmounted the outside of the middle wall, which at the opposite of Insertion direction to the lamp side facing the contact surfaces for the leg portions of the bulge of the web of the retaining spring.
  • the bearing for the retaining spring is simple and inexpensive to produce.
  • the two retaining lugs are made very stable with the mounting ring and stiffen the mounting ring when the two retaining lugs are formed by ribs, which extend to the reflector side facing the mounting ring out and are molded onto this side.
  • the retaining spring with the free end portion of at least one leg is releasably connected to a holding element of the mounting ring.
  • the retaining ring in its stability weakening additional passage opening is necessary when the mounting ring on the opposite side of the pivot bearing and the pivot bearing facing away from an integrally formed retaining element on which the retaining spring with the free end portion of at least one leg is releasably attached.
  • the mounting ring builds radially as small as possible to its central axis when the retaining lugs adjacent to a support surface of the mounting ring for a base flange of the lamp and the mounting ring between the retaining element for the retaining spring and the pivot bearing at least partially with its radially outwardly directed outer surface to the outer edge of the Base flange of the lamp adjacent runs.
  • the mounting ring protrudes beyond the outer edge of the base flange only with its retaining lugs, its projection having the bearing shell and the retaining elements for the retaining spring.
  • Figure 1 shows a headlamp for vehicles with a cup-shaped housing made of plastic (25), which is covered on its front by a translucent lens, not shown, and on its rear side has a housing opening (26).
  • the housing opening (26) is formed by a sleeve-like projection of the housing (25) and covered by an attached to the sleeve-shaped projection housing cap (27).
  • Inside the cup-shaped housing (25) a cup-shaped reflector (1) is arranged inside the cup-shaped housing (25) .
  • the reflector (1) is adjustably mounted in the housing (25) about at least one axis (not shown).
  • the reflector (1) has in its apex region an opening which is bounded by a collar (28) of the reflector (1). On the collar (28) an existing metal mounting ring (2) is placed.
  • the mounting ring (2) is produced by die casting and engages with protruding from its inner surface lugs (29) in recesses of the collar (28) of the reflector (1).
  • flags (not shown) are mounted, which pass through the socket ring and bent at its free end radially outward to the socket (2) with its lugs (29) in the recesses of the collar (28) of the reflector (1) to keep.
  • the mounting ring (2) is aligned and held exactly to the reflection surface of the reflector (1).
  • the mounting ring tapers towards the reflector through a circumferential step (30).
  • the lamp (4) has a glass bulb and a socket flange (23) bearing against the socket ring.
  • the base flange (23) consists of sheet metal and is designed circular.
  • the base flange (23) partially immersed in the step (30) of the mounting ring (2) and is located with a thin-walled circumferential edge portion on an outer circumferential bearing surface (22) of the mounting ring (2).
  • the support surface (22) extends to the radially outward Outer surface (24) of the mounting ring (2).
  • the outer surface (24) adjoins the outer edge of the base flange (23).
  • the mounting ring (2) is disposed in the housing opening (26) and relatively closely surrounded by the inside of the housing opening (26).
  • the lamp (4) is fixed in the socket ring (2) by a U-shaped retaining spring (3) bent from round wire.
  • the U-shaped retaining spring (3) spans the base flange (23) on both sides of the base (31) of the lamp (4) and is biased against the base flange (23) with the central region of the legs (5).
  • the base flange (23) engages with a radially outwardly directed positioning tab (not shown) in a limited by fixing lugs (32) recess.
  • the retaining spring (3) has a web (6) which connects the limbs (5) and is provided with a bulge (11) directed opposite to the limbs (5).
  • the bulge (11) engages with a central portion (10) in a bearing shell (7) of a projection (8).
  • the projection (8) is connected to the outer surface (24) of the mounting ring and projects radially outward.
  • the bearing shell (7) is arranged on the side of the projection (8) directed towards the reflector.
  • the projection (8) is arranged between two holding lugs (13) of the mounting ring (2).
  • the holding lugs (13) have on the sides facing abutment surfaces (14) for the leg portions (15) of the bulge (11).
  • the bulge (11) of the web (6) is arranged with play between the facing contact surfaces (14) of the holding lugs (13).
  • the on the bulge (11) adjacent lateral portions (12) of the web (6) protrude beyond the retaining lugs (13).
  • the retaining lugs (13) are formed by radially outwardly directed ribs, which extend up to the reflector (1) facing side of the mounting ring (2) and are formed on this side of the mounting ring (2).
  • the rib-like retaining lugs (13) together with a projection (8) carrying the central wall (20) form a U-shaped bearing point for the retaining spring (3).
  • the projection (8) is integrally formed on the side of the central wall (20) directed counter to the insertion direction (17) and, with its bearing shell (7), projects beyond the radially outwardly directed outer side of the central wall (20).
  • the middle wall (20) has on both sides of the projection (8) a counter to the insertion direction (17) directed contact surface (18) for the leg portions (15) of the bulge (11) of the web (6) of the retaining spring (3). on.
  • the holding lugs (13) have, on the side directed against the insertion direction (17), the abutment surfaces (9) for the lateral sections (12) of the web (6) adjoining the bulge (11).
  • the middle wall (20) and the rib-like retaining lugs (13) are formed on the radially outwardly directed outer surface (24) of the mounting ring and thus adjacent to the outer edge of the base flange (23) of the lamp (4).
  • the rib-like retaining lugs (13) project beyond the direction of insertion (17) the projection (8) having the bearing shell (7).
  • the retaining lugs (13) have on the opposite to the insertion direction (17) facing end portion on the radially outward side in each case a stop cam (19) for the leg portions (15) of the web (6) of the U-shaped retaining spring (3).
  • the mounting ring (2) has on the bearing of the retaining spring (3) opposite side (2) hook-shaped holding elements (21), the hooks are facing.
  • the hook-shaped holding elements (21) are integrally formed on the outer surface (24) of the mounting ring (2) and extend to the side of the mounting ring (2), which faces the reflector (1).
  • the free end portions of the retaining spring are releasably hooked.
  • the legs When changing the lamp (4), the legs are to be released from the engagement of the hook-shaped holding elements (21) and to pivot counter to the insertion direction (17). They can be pivoted to a maximum of the stop cam (19).
  • the retaining spring (3) is captively connected to the mounting ring (2).
  • the legs (5) In order to be able to pivot past the retaining spring (3) with its leg sections (15) of the web (6) against the stop cams (19) of the retaining lugs (13), the legs (5) are only slightly pushed towards each other.

Landscapes

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

Claims (10)

  1. Dispositif de culot pour une lampe d'un projecteur de véhicule, comportant une bague de culot (2) agencée sur la face postérieure du réflecteur (1) avec un ressort de retenue (3) pivotable en forme de U, qui sert au montage de la lampe (4) dans la bague de culot (2) et dont l'entretoise (6) reliant les branches (5) est agencée dans une coquille de montage (7), tournée vers le réflecteur (1), d'une saillie (8) de la bague de culot (2), et est retenue dans la coquille de montage (7) par des surfaces d'appui (9) de la bague de culot (2), orientées en éloignement du réflecteur (1), caractérisé en ce que le ressort de retenue (3) pivotable est agencé avec le tronçon médian (10) d'une courbure (11) de son entretoise (6) dans la coquille de montage (7) de la saillie (8), qui fait saillie depuis la bague de culot (2) radialement vers l'extérieur et qui dépasse avec des tronçons (12) latéraux adjacents à la courbure (11) deux côtés, tournés l'un vers l'autre, de talons de retenue (13) de la bague de culot (2), lesquels présentent au moins une surface d'appui (9) pour les deux tronçons (12) latéraux de l'entretoise (6).
  2. Dispositif de culot selon la revendication 1, caractérisé en ce que les côtés tournés l'un vers l'autre, des deux talons de retenue (13) de la bague de culot (2) servent de surface d'appui (14) pour les tronçons de branches (15) de la courbure (11) de l'entretoise (6) et fixent l'entretoise (6) en direction de l'axe de pivotement (16) formé par le tronçon médian (10) de la courbure (11).
  3. Dispositif de culot selon la revendication 1 ou 2, caractérisé en ce que la bague de culot (2), en position adjacente au tronçon médian (10) de la courbure (11) du ressort de retenue (3) pour les deux tronçons de branches (14) de la courbure (11), présente deux surfaces d'appui (18) orientées à l'opposé de la direction de mise en place (17) de la lampe (4).
  4. Dispositif de culot selon l'une des revendications 1 à 3, caractérisé en ce que les surfaces d'appui (9) des talons de retenue (13), lesquelles servent aux tronçons (12) latéraux de l'entretoise (6), sont formées par les faces frontales tournées à l'opposé de la direction de mise en place (17) de la lampe (4).
  5. Dispositif de culot selon l'une des revendications 1 à 4, caractérisé en ce que sur les tronçons d'extrémité libre tournés à l'opposé de la direction de mise en place (17) de la lampe (4), les talons de retenue (13) présentent chacun une came de butée (19) pour les tronçons de branches (15) de la courbure (11) de l'entretoise (6) du ressort de retenue (3).
  6. Dispositif de culot selon l'une des revendications 1 à 5, caractérisé en ce que vu en direction de mise en place (17) de la lampe (4), les talons de retenue (13), conjointement avec une paroi médiane (20) présentant la saillie (8), constituent un point d'appui réalisé en forme de U pour le ressort de retenue (3), la saillie (8) qui présente la coquille de montage (7) étant conformée à l'extrémité libre de la paroi médiane (20) et dépassant avec sa coquille de montage (7) la face extérieure de la paroi médiane (20).
  7. Dispositif de culot selon les revendications 3 et 6, caractérisé en ce que la paroi médiane (20) présente sur la face tournée à l'opposé de la direction de mise en place (17) de la lampe (4) les surfaces d'appui (18) pour les tronçons de branches (15) de la courbure (11) de l'entretoise (6) du ressort de retenue (3).
  8. Dispositif de culot selon l'une des revendications 1 à 7, caractérisé en ce que les deux talons de retenue (13) sont formés par des nervures qui s'étendent jusqu'au côté de la bague de culot (2) qui est tourné vers le réflecteur (1).
  9. Dispositif de culot selon l'une des revendications 1 à 8, caractérisé en ce que la bague de culot (2) présente sur la surface extérieure (22) opposée au palier de pivotement et détournée du palier de pivotement un élément de retenue (21) conformé sur lequel le ressort de retenue (3) est fixé de manière détachable avec le tronçon d'extrémité libre d'au moins une branche (5).
  10. Dispositif de culot selon l'une des revendications 1 à 9. caractérisé en ce que les talons de retenue (13) sont adjacents à une surface de support (22) de la bague de culot (2) pour une bride de socle (23) de la lampe (4) et la bague de culot (2) s'étend au moins partiellement avec sa surface extérieure (24) orientée radialement vers l'extérieur, de manière adjacente au bord extérieur de la bride de socle (23) de la lampe (4), entre un élément de retenue (21) pour le ressort de retenue (3) et le palier de pivotement.
EP98123626A 1997-12-18 1998-12-10 Dispositif de support de douille d'une lampe pour phare Expired - Lifetime EP0926432B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19756456A DE19756456A1 (de) 1997-12-18 1997-12-18 Fassungseinrichtung für eine Lampe eines Fahrzeugscheinwerfers
DE19756456 1997-12-18

Publications (3)

Publication Number Publication Date
EP0926432A2 EP0926432A2 (fr) 1999-06-30
EP0926432A3 EP0926432A3 (fr) 2001-03-07
EP0926432B1 true EP0926432B1 (fr) 2006-07-05

Family

ID=7852483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98123626A Expired - Lifetime EP0926432B1 (fr) 1997-12-18 1998-12-10 Dispositif de support de douille d'une lampe pour phare

Country Status (3)

Country Link
EP (1) EP0926432B1 (fr)
DE (2) DE19756456A1 (fr)
ES (1) ES2268751T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10140267B4 (de) * 2001-08-16 2007-02-01 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
DE10333036A1 (de) * 2003-07-21 2005-02-10 Hella Kgaa Hueck & Co. Beleuchtungseinrichtung
DE102006000062A1 (de) 2006-02-13 2007-08-16 Hilti Ag Halterungsvorrichtung für Leitungsmodule
JP2010218769A (ja) * 2009-03-13 2010-09-30 Koito Mfg Co Ltd バルブ取付構造

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2036783A1 (fr) * 1969-03-31 1970-12-31 Ducellier & Cie
DE3004446C2 (de) * 1980-02-07 1981-10-08 Westfaelische Metall Industrie Kg Hueck & Co, 4780 Lippstadt Fahrzeugscheinwerfer
FR2555824B1 (fr) * 1983-11-30 1986-05-23 Cibie Projecteurs Dispositif de montage et de fixation d'une lampe, notamment pour projecteur d'automobile
DE3432445A1 (de) * 1984-09-04 1986-03-13 Robert Bosch Gmbh, 7000 Stuttgart Scheinwerfer fuer kraftfahrzeuge
DE3729984C1 (de) * 1987-09-08 1989-02-09 Hella Kg Hueck & Co Kraftfahrzeugscheinwerfer
FR2654803B1 (fr) * 1989-11-20 1992-02-07 Valeo Vision Perfectionnements a un porte-lampe pour une lampe de type h1, pour projecteur de vehicule automobile.
DE4406111A1 (de) * 1994-02-25 1995-08-31 Bosch Gmbh Robert Befestigung einer Lichtquelle in einer Aufnahme eines Scheinwerfers

Also Published As

Publication number Publication date
DE19756456A1 (de) 1999-06-24
DE59813630D1 (de) 2006-08-17
EP0926432A3 (fr) 2001-03-07
ES2268751T3 (es) 2007-03-16
EP0926432A2 (fr) 1999-06-30

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