EP0985871A2 - Headlamp and method of making the same - Google Patents
Headlamp and method of making the same Download PDFInfo
- Publication number
- EP0985871A2 EP0985871A2 EP99117623A EP99117623A EP0985871A2 EP 0985871 A2 EP0985871 A2 EP 0985871A2 EP 99117623 A EP99117623 A EP 99117623A EP 99117623 A EP99117623 A EP 99117623A EP 0985871 A2 EP0985871 A2 EP 0985871A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lens
- reflector
- support element
- flange
- ring
- 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
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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
- F21S41/50—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
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- 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
- F21S41/295—Attachment thereof specially adapted to projection lenses
Definitions
- the invention relates to a headlight for vehicles according to the preamble of Claim 1. Furthermore, the invention relates to a method for Manufacture of a headlight according to the preamble of patent claim 10.
- a headlight for vehicles is known, the one Reflector with an optical axis extending in the horizontal direction, a first focus and a second focus further from the reflector than the first focal point is remote.
- the first focus of the A light source is arranged in the reflector.
- the second focal point of the reflector is an aperture arranged to form a light / dark boundary.
- the aperture is on molded onto a support element which is firmly connected to the reflector.
- On one A lens is attached to the end of the support element facing away from the reflector has a focus near the second focus of the reflector. The light rays emerging from the headlight are thus after the Projection principle generated.
- the support element points radially inwards on a side facing the lens protruding approaches on which the lens against the light exit direction is positioned.
- the peripheral edge of the lens lies within the Support element and is from an inwardly bent edge end of the Support element surrounded to form a gap. There is a in this gap Snap ring can be used so that the lens is held in the opening of the support element is.
- the disadvantage of the known headlamp is that no tight connection is present between the lens and the support member. Furthermore, due to not optimal process parameters an undesirable, shifted in the axial direction Position of the lens be given, so that an adjustment of the diaphragm is required.
- DE 92 18 431 U1 is a headlight for vehicles according to one known working principle of projection, in which the lens in Light exit direction is used in a support element and on one inwards shaped edge of the support element comes to rest.
- the lens are flags of the support element forming an acute angle bent inward towards the light exit direction leading to the edge of the Form lens a gap in which a snap ring can be inserted. This will improved centering and adjustment of the lens.
- the assembly of the However, lens is relatively complex. A tightness between the lens and the Support element cannot be guaranteed.
- a headlight for vehicles which according to the Projection principle works and in which a lens by gluing with a Holding element is integrally connected.
- the holding element is on itself attached to a reflector adjoining support element.
- the lens is on approaches of the Holding element.
- the edge surface of the lens lies directly in the radial direction on an inside of the holding element and forms together with inwards angled ends of the holding element an adhesive bed for receiving a Adhesive.
- a disadvantage of the known headlights is that Tolerance differences in the distributed approaches due to the gluing cannot be compensated.
- the fact that a lens is provided which is connected to the support element, the headlight has a complex Building on.
- the object of the present invention is therefore a headlight and a To further develop methods for producing a headlight for vehicles, that a compact design of the headlamp, a safe and reliable Storage of the lens in the same and easy mounting of the headlamp is guaranteed.
- the invention has the features of claim 1 and the patent claim 10.
- the advantage of the headlamp according to the invention is in particular that by placing an additional ring the lens captive in a predetermined bonding position can be brought.
- the axial protruding flange and from this radially protruding circumferential stop is a safe and reliable adjustment of the lens in axial and radial Direction achieved.
- the formation of the immersion bar causes a higher Dimensional stability of the ring itself.
- the ring has one from the plunge spaced circumferential retaining web on the surface of the Outside of the flange.
- the footbridge forms together with the Immersion bridge a first ring channel, which serves to hold the adhesive and thus a guided distribution of the adhesive between the flange and the Ring allows.
- the holding bridge and the immersion bridge run at a distance from one edge of the flange so that the first ring channel in an area between the stop and one over the Edge of the flange extending transverse plane extends.
- the ring has an inwardly projecting Nose that covers the circumferential lens edge and together with the Immersion bridge forms a second ring channel for the intake of excess Adhesive. It thus serves on the one hand as an optical cover for the edge of the lens. On the other hand, the inwardly protruding nose enables the lens to be centered.
- the holding bridge and the nose form one Outside of the ring, so that the ring as a visually appealing decorative ring is trained.
- the holding web points radially inwards protruding projections on the corresponding receptacles of the flange intervention.
- the advantage of the method according to the invention is in particular that simple and safe installation is guaranteed.
- the lens is under System inserted and positioned on a stop of the support element.
- a final adjustment of the lens is done by placing the ring during the Curing of the adhesive.
- the ring is under Locking applied with the retaining bridge, so that the lens during the The curing time of the adhesive is captive in the opening of the support element is held.
- a working on the projection principle headlight (1) consists in essentially of a reflector (2), a light source (3) and a lens (4).
- the reflector (2) is ellipsoidal and has a central opening that serves as a lamp holder hole for the light source (3).
- a lamp holder (5) At the back of the Reflector (2) is a lamp holder (5) in one piece with the reflector (2) connected.
- On the back of the lamp holder (5) is one made of rubber the existing cover cap (6).
- the light source (3) is designed as an incandescent lamp and with the filament Incandescent lamp (4) in a first focal point of the lens facing away from the lens (4) Positioned reflector (2).
- the focal point of the reflector (2) is an aperture (7), the edge of which is a Light / dark border generated.
- the lens (4) is a plane-convex Lens formed in the focal point of the diaphragm (7) is arranged.
- the screen (7) is formed on a support element (8) which is connected to the reflector (2) is firmly connected.
- the reflector (2) has an edge Circumferential annular groove (9), in which an approach (10) of the support element (8) engage can and is held in the same by gluing.
- one Screw connection (11) is provided so that the reflector (2) together with the Carrying element (8) forms a robust housing (23).
- the headlight (1) can be used as Additional headlights, especially as fog lights, the one below Bumper of a vehicle or arranged in a front end of the vehicle is used.
- this has Support element (8) on an edge (12) extending in the axial direction annular flange (13) on which is spaced from a free end the same, a stop (14) forming a right angle radially inwards extends.
- This creates a receptacle for the lens (4) in which it through further measures described below safely and permanently is set.
- a fork-shaped ring (15) on the edge (12) of the Carrying element (8) set For this purpose, after inserting the lens (4) counter the light exit direction a fork-shaped ring (15) on the edge (12) of the Carrying element (8) set.
- the ring (15) consists of three essentially opposite to the light exit direction extending annular webs, an outer retaining web (16) approximately has twice the axial extent than that of a central plunge (17).
- the holding web (16) and the immersion web (17) run essentially parallel to each other.
- An inner web is designed as a nose (18), which is in one extends acute angle to the immersion web (17).
- the nose (18) is essential shorter than the immersion web (17) or the holding web (16).
- the immersion web (17) engages approximately in the center the bead-like protruding adhesive (19) so that the adhesive (19) is pressed flat against the inside of the flange (13).
- Excess adhesive (19) can in a through the nose (18) and Immersion web (17) formed inner channel (22) escape.
- the nose (18) comes next to the Decorative function of the ring (15) also a centering function.
- the lens (4) forms the front end of the light exit direction Headlight (1).
- the Headlamp (1) has a compact and robust construction.
- the support element (8) is made of a cast magnesium material.
Abstract
Description
Die Erfindung betrifft einen Scheinwerfer für Fahrzeuge nach dem Oberbegriff des
Patentanspruchs 1. Ferner bezieht sich die Erfindung auf ein Verfahren zum
Herstellen eines Scheinwerfers nach dem Oberbegriff des Patentanspruchs 10.The invention relates to a headlight for vehicles according to the preamble of
Aus der DE 35 16 813 A1 ist ein Scheinwerfer für Fahrzeuge bekannt, der einen Reflektor mit einer sich in horizontaler Richtung erstreckenden optischen Achse, einem ersten Brennpunkt und einem zweiten Brennpunkt, der vom Reflektor weiter als der erste Brennpunkt entfernt angeordnet ist, aufweist. Im ersten Brennpunkt des Reflektors ist eine Lichtquelle angeordnet. Im zweiten Brennpunkt des Reflektors ist eine Blende zur Bildung einer Hell-/Dunkel-Grenze angeordnet. Die Blende ist an einem Tragelement angeformt, das mit dem Reflektor fest verbunden ist. An einem dem Reflektor abgewandten Ende des Tragelementes ist eine Linse befestigt, die einen Brennpunkt in der Nähe des zweiten Brennpunktes des Reflektors aufweist. Die aus dem Scheinwerfer austretenden Lichtstrahlen werden somit nach dem Projektionsprinzip erzeugt.From DE 35 16 813 A1 a headlight for vehicles is known, the one Reflector with an optical axis extending in the horizontal direction, a first focus and a second focus further from the reflector than the first focal point is remote. In the first focus of the A light source is arranged in the reflector. The second focal point of the reflector is an aperture arranged to form a light / dark boundary. The aperture is on molded onto a support element which is firmly connected to the reflector. On one A lens is attached to the end of the support element facing away from the reflector has a focus near the second focus of the reflector. The light rays emerging from the headlight are thus after the Projection principle generated.
Das Tragelement weist auf einer der Linse zugewandten Seite radial nach innen abragende Ansätze auf, an denen die Linse entgegen der Lichtaustrittsrichtung positioniert wird. Dabei liegt die Linse mit ihrem umlaufenden Rand innerhalb des Tragelementes an und ist von einem nach innen gebogenen randseitigem Ende des Tragelementes unter Bildung eines Spaltes umgeben. In diesem Spalt ist ein Sprengring einsetzbar, so daß die Linse in der Öffnung des Tragelementes gehalten ist. Nachteilig an dem bekannten Scheinwerfer ist, daß keine dichte Verbindung zwischen der Linse und dem Tragelement vorhanden ist. Ferner kann aufgrund nicht optimaler Verfahrensparameter eine unerwünschte, in axialer Richtung verschobene Lage der Linse gegeben sein, so daß ein Justieren der Blende erforderlich ist. The support element points radially inwards on a side facing the lens protruding approaches on which the lens against the light exit direction is positioned. The peripheral edge of the lens lies within the Support element and is from an inwardly bent edge end of the Support element surrounded to form a gap. There is a in this gap Snap ring can be used so that the lens is held in the opening of the support element is. The disadvantage of the known headlamp is that no tight connection is present between the lens and the support member. Furthermore, due to not optimal process parameters an undesirable, shifted in the axial direction Position of the lens be given, so that an adjustment of the diaphragm is required.
Aus der DE 92 18 431 U1 ist ein Scheinwerfer für Fahrzeuge nach einem entsprechend funktionierenden Projektionsprinzip bekannt, bei dem die Linse in Lichtaustrittsrichtung in ein Tragelement eingesetzt wird und an einem nach innen geformten randseitigen Ende des Tragelementes zur Anlage kommt. Zur Fixierung der Linse werden Fahnen des Tragelementes unter Bildung eines spitzen Winkels nach innen in Richtung der Lichtaustrittsrichtung gebogen, die zu dem Rand der Linse einen Spalt bilden, in den ein Sprengring einsetzbar ist. Hierdurch wird zwar eine verbesserte Zentrierung und Justierung der Linse ermöglicht. Die Montage der Linse ist jedoch relativ aufwendig. Eine Dichtigkeit zwischen der Linse und dem Tragelement kann nicht gewährleistet werden.DE 92 18 431 U1 is a headlight for vehicles according to one known working principle of projection, in which the lens in Light exit direction is used in a support element and on one inwards shaped edge of the support element comes to rest. For fixation the lens are flags of the support element forming an acute angle bent inward towards the light exit direction leading to the edge of the Form lens a gap in which a snap ring can be inserted. This will improved centering and adjustment of the lens. The assembly of the However, lens is relatively complex. A tightness between the lens and the Support element cannot be guaranteed.
Aus der DE 39 40 245 C1 ist ein Scheinwerfer für Fahrzeuge bekannt, der nach dem Projektionsprinzip arbeitet und bei dem eine Linse durch Verklebung mit einem Halteelement stoffschlüssig verbunden ist. Das Halteelement ist an einem sich einem Reflektor anschließenden Tragelement befestigt. Die Linse liegt an umfangsseitig verteilt angeordneten, nach innen abragenden Ansätzen des Halteelementes an. In radialer Richtung liegt die Randfläche der Linse unmittelbar an einer Innenseite des Halteelementes an und bildet zusammen mit nach innen abgewinkelten Enden des Halteelementes ein Klebebett zur Aufnahme eines Klebemittels. Nachteilig an dem bekannten Scheinwerfer ist, daß Toleranzunterschiede bei den verteilt angeordneten Ansätzen durch die Verklebung nicht ausgeglichen werden können. Dadurch, daß eine Lichtscheibe vorgesehen ist, die mit dem Tragelement verbunden ist, weist der Scheinwerfer einen aufwendigen Aufbau auf.From DE 39 40 245 C1 a headlight for vehicles is known, which according to the Projection principle works and in which a lens by gluing with a Holding element is integrally connected. The holding element is on itself attached to a reflector adjoining support element. The lens is on approaches of the Holding element. The edge surface of the lens lies directly in the radial direction on an inside of the holding element and forms together with inwards angled ends of the holding element an adhesive bed for receiving a Adhesive. A disadvantage of the known headlights is that Tolerance differences in the distributed approaches due to the gluing cannot be compensated. The fact that a lens is provided which is connected to the support element, the headlight has a complex Building on.
Aufgabe der vorliegenden Erfindung ist es daher, einen Scheinwerfer und ein Verfahren zum Herstellen eines Scheinwerfers für Fahrzeuge derart weiterzubilden, daß ein kompakter Aufbau des Scheinwerfers, eine sichere und zuverlässige Lagerung der Linse in demselben und eine einfache Montage des Scheinwerfers gewährleistet ist. The object of the present invention is therefore a headlight and a To further develop methods for producing a headlight for vehicles, that a compact design of the headlamp, a safe and reliable Storage of the lens in the same and easy mounting of the headlamp is guaranteed.
Zur Lösung dieser Aufgabe weist die Erfindung die Merkmale des Patenanspruchs 1
und des Patenanspruchs 10 auf.To achieve this object, the invention has the features of
Der Vorteil des erfindungsgemäßen Scheinwerfers besteht insbesondere darin, daß durch das Aufsetzen eines zusätzlichen Ringes die Linse verliersicher in eine vorgegebene Verklebeposition bringbar ist. Im Zusammenwirken mit dem axial hervorstehenden Flansch und von diesem radial abragenden umlaufenden Anschlag wird eine sichere und zuverlässige Justage der Linse in axialer und radialer Richtung erzielt. Dadurch, daß der Ring mit einem umlaufenden Eintauchsteg in das mit Klebemittel gefüllte Klebebett eingreift, wird gezielt das Klebemittel an die zu verbindenden Randflächen des Trageelements einerseits und der Linse andererseits gedrückt. Darüberhinaus bewirkt die Ausbildung des Eintauchsteges eine höhere Formstabilität des Ringes selbst.The advantage of the headlamp according to the invention is in particular that by placing an additional ring the lens captive in a predetermined bonding position can be brought. In cooperation with the axial protruding flange and from this radially protruding circumferential stop is a safe and reliable adjustment of the lens in axial and radial Direction achieved. The fact that the ring with a circumferential plunge into the If the adhesive bed filled with adhesive intervenes, the adhesive is targeted to the connecting edge surfaces of the support member on the one hand and the lens on the other pressed. In addition, the formation of the immersion bar causes a higher Dimensional stability of the ring itself.
Nach einer Weiterbildung der Erfindung weist der Ring einen vom Eintauchsteg beabstandet angeordneten umlaufenden Haltesteg auf, der flächig an der Außenseite des Flansches anliegt. Der Haltesteg bildet zusammen mit dem Eintauchsteg einen ersten Ringkanal, der der Aufnahme des Klebemittels dient und somit eine geführte Verteilung des Klebemittels zwischen dem Flansch und dem Ring ermöglicht.According to a development of the invention, the ring has one from the plunge spaced circumferential retaining web on the surface of the Outside of the flange. The footbridge forms together with the Immersion bridge a first ring channel, which serves to hold the adhesive and thus a guided distribution of the adhesive between the flange and the Ring allows.
Nach einer Weiterbildung der Erfindung laufen der Haltesteg und der Eintauchsteg in einem Abstand zu einer Randkante des Flansches zusammen, so daß sich der erste Ringkanal in einem Bereich zwischen dem Anschlag und einer über die Randkante des Flansches hinausgehenden Querebene erstreckt.According to a development of the invention, the holding bridge and the immersion bridge run at a distance from one edge of the flange so that the first ring channel in an area between the stop and one over the Edge of the flange extending transverse plane extends.
Nach einer Weiterbildung der Erfindung weist der Ring eine nach innen abragende Nase auf, die den umlaufenden Linsenrand abdeckt und zusammen mit dem Eintauchsteg einen zweiten Ringkanal bildet für die Aufnahme überschüssigen Klebemittels. Es dient somit zum einen als optische Abdeckung des Linsenrandes. Zum anderen ermöglicht die nach innen abragende Nase ein Zentrieren der Linse. According to a development of the invention, the ring has an inwardly projecting Nose that covers the circumferential lens edge and together with the Immersion bridge forms a second ring channel for the intake of excess Adhesive. It thus serves on the one hand as an optical cover for the edge of the lens. On the other hand, the inwardly protruding nose enables the lens to be centered.
Nach einer Weiterbildung der Erfindung bilden der Haltesteg und die Nase eine Außenseite des Ringes, so daß der Ring als optisch ansprechender Zierring ausgebildet ist.According to a development of the invention, the holding bridge and the nose form one Outside of the ring, so that the ring as a visually appealing decorative ring is trained.
Nach einer Weiterbildung der Erfindung weist der Haltesteg radial nach innen abragende Vorsprünge auf, die in entsprechenden Aufnahmen des Flansches eingreifen. Hierdurch wird eine vorgegebene Positionierung des Ringes während des Aushärtens des Klebemittels ermöglicht.According to a development of the invention, the holding web points radially inwards protruding projections on the corresponding receptacles of the flange intervention. As a result, a predetermined positioning of the ring during allows the adhesive to harden.
Der Vorteil des erfindungsgemäßen Verfahrens besteht insbesondere darin, daß eine einfache und sichere Montage gewährleistet ist. Hierzu wird die Linse unter Anlage an einem Anschlag des Trageelements eingesetzt und positioniert. Eine endgültige Justage der Linse erfolgt durch das Aufsetzen des Ringes während des Aushärtens des Klebemittels.The advantage of the method according to the invention is in particular that simple and safe installation is guaranteed. For this, the lens is under System inserted and positioned on a stop of the support element. A final adjustment of the lens is done by placing the ring during the Curing of the adhesive.
Nach einer Ausgestaltung des erfindungsgemäßen Verfahrens wird der Ring unter Verrastung mit dem Haltesteg aufgebracht, so daß die Linse während der Aushärtezeit des Klebemittels verliersicher in der Öffnung des Tragelements gehalten ist.According to an embodiment of the method according to the invention, the ring is under Locking applied with the retaining bridge, so that the lens during the The curing time of the adhesive is captive in the opening of the support element is held.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend näher beschrieben.An embodiment of the invention is described in more detail below.
Es zeigen:
Figur 1- einen Längsschnitt durch einen erfindungsgemäßen Scheinwerfer,
Figur 2- einen Querschnitt durch einen Ring und
Figur 3- eine perspektivische Darstellung des Ringes.
- Figure 1
- a longitudinal section through a headlight according to the invention,
- Figure 2
- a cross section through a ring and
- Figure 3
- a perspective view of the ring.
Ein nach dem Projektionsprinzip arbeitender Scheinwerfer (1) besteht im wesentlichen aus einem Reflektor (2), einer Lichtquelle (3) und einer Linse (4). Der Reflektor (2) ist ellipsoidförmig ausgebildet und weist eine zentrale Öffnung auf, die als Lampenfassungsloch für die Lichtquelle (3) dient. An der Rückseite des Reflektors (2) ist eine Lampenfassung (5) einstückig mit dem Reflektor (2) verbunden. Auf der Rückseite der Lampenfassung (5) ist eine aus Gummi bestehende Abdeckkappe (6) aufgesetzt.A working on the projection principle headlight (1) consists in essentially of a reflector (2), a light source (3) and a lens (4). The The reflector (2) is ellipsoidal and has a central opening that serves as a lamp holder hole for the light source (3). At the back of the Reflector (2) is a lamp holder (5) in one piece with the reflector (2) connected. On the back of the lamp holder (5) is one made of rubber the existing cover cap (6).
Die Lichtquelle (3) ist als Glühlampe ausgebildet und mit dem Glühfaden der Glühlampe (4) in einem zu der Linse (4) abgewandten ersten Brennpunkt des Reflektors (2) positioniert. In dem Bereich eines der Linse (4) zugewandten zweiten Brennpunktes des Reflektors (2) ist eine Blende (7) angeordnet, deren Kante eine Hell-/Dunkelgrenze erzeugt. Zu diesem Zweck ist die Linse (4) als plan-konvexe Linse ausgebildet, in deren Brennpunkt die Blende (7) angeordnet ist.The light source (3) is designed as an incandescent lamp and with the filament Incandescent lamp (4) in a first focal point of the lens facing away from the lens (4) Positioned reflector (2). In the area of a second one facing the lens (4) The focal point of the reflector (2) is an aperture (7), the edge of which is a Light / dark border generated. For this purpose, the lens (4) is a plane-convex Lens formed in the focal point of the diaphragm (7) is arranged.
Die Blende (7) ist an einem Tragelement (8) angeformt, das mit dem Reflektor (2) fest verbunden ist. Zu diesem Zweck weist der Reflektor (2) randseitig eine umlaufende Ringnut (9) auf, in die ein Ansatz (10) des Tragelementes (8) eingreifen kann und durch Verklebung in derselben gehalten ist. Zusätzlich ist eine Schraubverbindung (11) vorgesehen, so daß der Reflektor (2) zusammen mit dem Tragelement (8) ein robustes Gehäuse (23) bildet. Der Scheinwerfer (1) kann als Zusatzscheinwerfer, insbesondere als Nebelscheinwerfer, der unterhalb einer Stoßstange eines Fahrzeuges bzw. in einem Frontend des Fahrzeuges angeordnet ist, verwendet werden.The screen (7) is formed on a support element (8) which is connected to the reflector (2) is firmly connected. For this purpose, the reflector (2) has an edge Circumferential annular groove (9), in which an approach (10) of the support element (8) engage can and is held in the same by gluing. In addition there is one Screw connection (11) is provided so that the reflector (2) together with the Carrying element (8) forms a robust housing (23). The headlight (1) can be used as Additional headlights, especially as fog lights, the one below Bumper of a vehicle or arranged in a front end of the vehicle is used.
Zur verliersicheren Befestigung der Linse (4) an dem Tragelement (8) weist das Tragelement (8) an einem Rand (12) einen in axialer Richtung erstreckenden ringförmigen Flansch (13) auf von dem sich, beabstandet von einem freien Ende desselben, ein Anschlag (14) unter Bildung eines rechten Winkels radial nach innen erstreckt. Hierdurch wird eine Aufnahme für die Linse (4) geschaffen, in der sie durch weitere im folgenden beschriebene Maßnahmen sicher und dauerhaft festgelegt wird. Zu diesen Zweck wird nach dem Einsetzen der Linse (4) entgegen der Lichtaustrittsrichtung ein gabelförmiger Ring (15) auf den Rand (12) des Tragelementes (8) gesetzt.For captive attachment of the lens (4) to the support element (8), this has Support element (8) on an edge (12) extending in the axial direction annular flange (13) on which is spaced from a free end the same, a stop (14) forming a right angle radially inwards extends. This creates a receptacle for the lens (4) in which it through further measures described below safely and permanently is set. For this purpose, after inserting the lens (4) counter the light exit direction a fork-shaped ring (15) on the edge (12) of the Carrying element (8) set.
Der Ring (15) besteht aus drei im wesentlichen entgegen der Lichtaustrittsrichtung verlaufenden ringförmigen Stegen, wobei ein äußerer Haltesteg (16) eine etwa doppelt so große axiale Erstreckung aufweist als die eines mittleren Eintauchstegs (17). Der Haltesteg (16) und der Eintauchsteg (17) verlaufen im wesentlichen parallel zueinander. Ein innerer Steg ist als Nase (18) ausgebildet, die sich in einem spitzen Winkel zu dem Eintauchsteg (17) erstreckt. Die Nase (18) ist wesentlich kürzer ausgebildet, als der Eintauchsteg (17) bzw. der Haltesteg (16).The ring (15) consists of three essentially opposite to the light exit direction extending annular webs, an outer retaining web (16) approximately has twice the axial extent than that of a central plunge (17). The holding web (16) and the immersion web (17) run essentially parallel to each other. An inner web is designed as a nose (18), which is in one extends acute angle to the immersion web (17). The nose (18) is essential shorter than the immersion web (17) or the holding web (16).
Zur Montage der Linse (4) wird diese in die durch den Flansch (13) und den Anschlag (14) gebildete Aufnahme des Tragelementes (8) eingesetzt. Nachfolgend wird ein Klebemittel (19) randseitig der Linse (4), nämlich in einem ein Klebebett bildenden Bereich zwischen der Innenseite des Flansches (13) und dem Rand der Linse (4) aufgebracht. Nachfolgend wird entgegen der Lichtaustrittsrichtung der Ring (15) unter Anlage des Haltesteges (16) an der Außenseite des Flansches (13) aufgesetzt. Der Haltesteg (16) weist bereichsweise radial nach innen vorstehende Vorsprünge (20) auf, die in korrespondierende Vertiefungen der Außenseite des Flansches (13) eingreifen, so daß der Ring (15) während der Aushärtezeit des Klebemittels (19) in einer definierten Lage gehalten wird.To mount the lens (4), this is in the through the flange (13) and Stop (14) formed receiving the support element (8) used. Below becomes an adhesive (19) on the edge of the lens (4), namely in an adhesive bed forming area between the inside of the flange (13) and the edge of the Lens (4) applied. The ring is opposite to the direction of light exit (15) with the support web (16) resting on the outside of the flange (13) put on. The holding web (16) has radially inwardly projecting areas Projections (20) on the corresponding recesses on the outside of the Flange (13) engage so that the ring (15) during the curing time of Adhesive (19) is held in a defined position.
Während des Aufsetzen des Ringes (15) greift der Eintauchsteg (17) etwa mittig in das wulstförmig hervorstehende Klebemittel (19) ein, so daß das Klebemittel (19) flächig gegen die Innenseite des Flansches (13) gedrückt wird. Dabei bildet der Eintauchsteg (17) zusammen mit dem Haltesteg (16) eine ringförmige äußere Rinne (21), die von dem Klebemittel (19) vollständig ausgefüllt ist. Hierdurch wird eine innige und dauerhafte klebende Verbindung zwischen dem Tragelement (8) auf der einen Seite und dem Ring (15) bzw. der Linse (4) auf der anderen Seite geschaffen.While the ring (15) is in place, the immersion web (17) engages approximately in the center the bead-like protruding adhesive (19) so that the adhesive (19) is pressed flat against the inside of the flange (13). The forms Immersion web (17) together with the retaining web (16) an annular outer groove (21), which is completely filled by the adhesive (19). This will create a intimate and permanent adhesive connection between the support element (8) on the one side and the ring (15) or the lens (4) on the other side.
Überschüssiges Klebemittel (19) kann in eine durch die Nase (18) und den Eintauchsteg (17) gebildeten inneren Rinne (22) entweichen. Dabei ermöglicht die Nase (18), daß das Klebemittel (19) von außen nicht sichtbar ist. Darüberhinaus ist die Nase (18) derart nach innen gebogen, daß sie unter Anlage an der Linse (4) ein Zentrieren derselben in der Aufnahme ermöglicht. Der Nase (18) kommt neben der Zierfunktion des Ringes (15) auch eine Zentrierfunktion zu.Excess adhesive (19) can in a through the nose (18) and Immersion web (17) formed inner channel (22) escape. The Nose (18) that the adhesive (19) is not visible from the outside. Beyond that the nose (18) is bent inwards in such a way that it rests against the lens (4) Centering the same in the recording allows. The nose (18) comes next to the Decorative function of the ring (15) also a centering function.
Die Linse (4) bildet den in Lichtaustrittsrichtung vorderen Abschluß des Scheinwerfers (1). Zur Erzeugung eines breiten streuenden Nebellichtes weist die plane Fläche der Linse (4) vertikal verlaufende, nicht dargestellte Prismen auf. Der Scheinwerfer (1) weist einen kompakten und robusten Aufbau auf. Das Tragelement (8) ist aus einem Magnesiumgußwerkstoff hergestellt.The lens (4) forms the front end of the light exit direction Headlight (1). To generate a wide scattering fog light, the flat surface of the lens (4) vertically extending prisms, not shown. The Headlamp (1) has a compact and robust construction. The support element (8) is made of a cast magnesium material.
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19841584 | 1998-09-11 | ||
DE19841584A DE19841584A1 (en) | 1998-09-11 | 1998-09-11 | Headlights and method for manufacturing a headlight |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0985871A2 true EP0985871A2 (en) | 2000-03-15 |
EP0985871A3 EP0985871A3 (en) | 2001-10-31 |
EP0985871B1 EP0985871B1 (en) | 2006-08-16 |
Family
ID=7880613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99117623A Expired - Lifetime EP0985871B1 (en) | 1998-09-11 | 1999-09-07 | Headlamp and method of making the same |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0985871B1 (en) |
AT (1) | ATE336693T1 (en) |
DE (2) | DE19841584A1 (en) |
ES (1) | ES2272027T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRM20100597A1 (en) * | 2010-11-16 | 2012-05-17 | Solergy Inc | SYSTEM FOR THE CONVERSION OF SOLAR RADIATION IN ELECTRIC AND / OR THERMAL ENERGY |
EP2597359A3 (en) * | 2011-11-28 | 2015-04-29 | Automotive Lighting Reutlingen GmbH | Projection light module for a motor vehicle headlamp |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10254048B4 (en) * | 2002-11-20 | 2008-02-07 | Hella Kgaa Hueck & Co. | Headlights for vehicles |
DE102006053044A1 (en) * | 2006-11-10 | 2008-05-15 | Hella Kgaa Hueck & Co. | Lighting device i.e. projection headlight, adjusting method for vehicle, involves softening contact surfaces of carrier so that position of component is adjusted to carrier based on adjusting data determined during plasticizing process |
DE102007011263A1 (en) | 2007-03-08 | 2008-09-11 | Hella Kgaa Hueck & Co. | Illumination device, especially for vehicle headlamps or rear lamps, has supports with reduced cross-sections in light source, lens element regions so support section can be deformed by adjuster until light source, lens element are aligned |
DE102009019730A1 (en) * | 2009-05-05 | 2010-11-11 | Hbpo Gmbh | Front end module for vehicles |
FR3135510A1 (en) * | 2022-05-10 | 2023-11-17 | Valeo Vision | Light module comprising a direct optical imaging system |
Citations (3)
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DE3516813A1 (en) | 1985-05-10 | 1986-11-13 | Hella KG Hueck & Co, 4780 Lippstadt | Dimmed vehicle headlights |
DE3940245A1 (en) | 1989-12-01 | 1991-02-21 | Guenter Richter | Cooling system for vehicle cab - makes use of air compressor and heat exchanger |
DE9218431U1 (en) | 1992-10-01 | 1994-02-17 | Hella Kg Hueck & Co | Dimmed headlights for vehicles |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1393573A (en) * | 1920-10-21 | 1921-10-11 | John A Ritter | Headlamp |
CH98941A (en) * | 1922-01-19 | 1923-05-01 | Ame Des Usines Jean Gallay Soc | Lighting apparatus for vehicles. |
GB1180026A (en) * | 1966-06-13 | 1970-02-04 | Lucas Industries Ltd | Vehicle Lamps. |
JPH03101001A (en) * | 1989-09-13 | 1991-04-25 | Koito Mfg Co Ltd | Lighting fixture for vehicle |
JPH0817043B2 (en) * | 1989-09-13 | 1996-02-21 | 株式会社小糸製作所 | Vehicle lighting |
JPH0821243B2 (en) * | 1990-06-19 | 1996-03-04 | 株式会社小糸製作所 | Projection type automobile headlamp |
DE4124374A1 (en) * | 1991-07-23 | 1993-01-28 | Hella Kg Hueck & Co | Vehicular headlamp with heat-resistant coated filter screen - facilitates conduction of heat away from edge of screen defining boundary between bright and dark regions |
-
1998
- 1998-09-11 DE DE19841584A patent/DE19841584A1/en not_active Withdrawn
-
1999
- 1999-09-07 ES ES99117623T patent/ES2272027T3/en not_active Expired - Lifetime
- 1999-09-07 DE DE59913777T patent/DE59913777D1/en not_active Expired - Lifetime
- 1999-09-07 EP EP99117623A patent/EP0985871B1/en not_active Expired - Lifetime
- 1999-09-07 AT AT99117623T patent/ATE336693T1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3516813A1 (en) | 1985-05-10 | 1986-11-13 | Hella KG Hueck & Co, 4780 Lippstadt | Dimmed vehicle headlights |
DE3940245A1 (en) | 1989-12-01 | 1991-02-21 | Guenter Richter | Cooling system for vehicle cab - makes use of air compressor and heat exchanger |
DE9218431U1 (en) | 1992-10-01 | 1994-02-17 | Hella Kg Hueck & Co | Dimmed headlights for vehicles |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRM20100597A1 (en) * | 2010-11-16 | 2012-05-17 | Solergy Inc | SYSTEM FOR THE CONVERSION OF SOLAR RADIATION IN ELECTRIC AND / OR THERMAL ENERGY |
WO2012066480A3 (en) * | 2010-11-16 | 2012-11-01 | Solergy Inc. | Assembly for converting solar radiation into electric and/or thermal energy |
US10032946B2 (en) | 2010-11-16 | 2018-07-24 | Solergy Inc. | Assembly for converting solar radiation into electric and/or thermal energy |
EP2597359A3 (en) * | 2011-11-28 | 2015-04-29 | Automotive Lighting Reutlingen GmbH | Projection light module for a motor vehicle headlamp |
Also Published As
Publication number | Publication date |
---|---|
ATE336693T1 (en) | 2006-09-15 |
EP0985871B1 (en) | 2006-08-16 |
DE59913777D1 (en) | 2006-09-28 |
ES2272027T3 (en) | 2007-04-16 |
EP0985871A3 (en) | 2001-10-31 |
DE19841584A1 (en) | 2000-03-16 |
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