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EP0275095B1 - Vorrichtung zum Einstellen der optischen Achse eines Fahrzeugscheinwerfers - Google Patents

Vorrichtung zum Einstellen der optischen Achse eines Fahrzeugscheinwerfers Download PDF

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Publication number
EP0275095B1
EP0275095B1 EP88100403A EP88100403A EP0275095B1 EP 0275095 B1 EP0275095 B1 EP 0275095B1 EP 88100403 A EP88100403 A EP 88100403A EP 88100403 A EP88100403 A EP 88100403A EP 0275095 B1 EP0275095 B1 EP 0275095B1
Authority
EP
European Patent Office
Prior art keywords
axis
reflector
bracket
housing
optical axis
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
EP88100403A
Other languages
English (en)
French (fr)
Other versions
EP0275095A3 (en
EP0275095A2 (de
Inventor
Kouji Shigemura
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.)
Ichikoh Industries Ltd
Original Assignee
Ichikoh Industries Ltd
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
Priority claimed from JP1987002895U external-priority patent/JPS63111703U/ja
Priority claimed from JP1987022908U external-priority patent/JPH0346401Y2/ja
Application filed by Ichikoh Industries Ltd filed Critical Ichikoh Industries Ltd
Publication of EP0275095A2 publication Critical patent/EP0275095A2/de
Publication of EP0275095A3 publication Critical patent/EP0275095A3/en
Application granted granted Critical
Publication of EP0275095B1 publication Critical patent/EP0275095B1/de
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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F21S41/55—Attachment thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • 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
    • F21S41/25—Projection lenses
    • 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
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • F21S41/28—Cover glass
    • 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
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources

Definitions

  • the present invention relates to an optical axis adjusting apparatus of a projector headlight adopted as a headlight of automobiles, more particularly to an optical axis adjusting apparatus in which when a projector type headlight is mounted on the automobile's body, an optical axis of the headlight is preliminarily adjustable in the vertical and horizontal directions in order to obtain the most suitable illumination position thereof.
  • a conventional headlight the adjustment of the optical axis has been made by the mechanism in which the reflecting surface of a reflector having a bulb and disposed within a housing is arranged tiltably with respect to the horizontal axis and the vertical axis of the reflector, or the mechnism in which a whole housing including a reflector is arranged tiltably with respect to the horizontal and vertical axes.
  • a projector type headlight it is requested for a projector type headlight to condensing the light reflected by the reflector at the focal point of a convex lens.
  • both of the leflector and the convex lens are mounted on the same frame so as not to change the relative position therebetween.
  • Such projector type headlight unit is received in the housing having a front lens formed with the prism for diffusing the light projected from the convex lens, therefore it is not possible to apply the conventional optical axis adjusting apparatus in which only the reflecting surface of a reflector is tilted with respect to a housing, to the projector type headlight as it is. Furthermore, the projector type headlight is compact in comparison with the conventional headlight, and it is necessary that the front portion of the housing mounted with the diffusing prism forms a portion of the automobile's body.
  • the whole lamp unit comprising the housing is fixed on the automobile's body, so that it is not possible to apply the conventional optical axis adjusting mechanism in which the whole housing including a reflector is tilted around the horizontal and vertical axes, to the projector type headlight.
  • the projector type headlight unit is compact in comparison with a conventional headlight but the unit is formed in a configuration elongated in the reflector's axial direction, therefore it is important that the whole lamp unit including housing is mounted on the automobile's body, and then the optical axis thereof is adjusted and the headlight is surely held at a predetermined position.
  • an optical axis adjusting apparatus for a projector type headlight unit having a reflector with a concave reflecting surface, a light shade bulb disposed in the axis of said reflector and lens.
  • This headlight unit is adjustably mounted in a mounting panel by a three point suspension.
  • US-A-2 338 901 discloses a projector type headlight with a housing and a projector headlight unit.
  • Said headlight unit includes a reflector with a concave reflecting surface, a light source bulb disposed on the axis of said reflector, and a shade disposed in the region at which the light reflected by said concave surface is condensed. Said shape is provided for shaping said light to a predetermined formation.
  • Said headlight unit further includes a convex lens having a focal point thereof at the position of said shade for projecting light passing through said shade forwardly.
  • the object of the present invention is to present an optical axis adjusting apparatus of a projector type headlight having a compact constitution and high reliability.
  • object of the present invention is to present the optical axis adjusting apparatus of a projector type headlight in which the adjusting operation of the optical axis is made very easily and further it is possible to surely maintain the adjusted condition of the headlight.
  • a further object of the present invention is to present the optical axis adjusting apparatus of a projector type headlight having the constitution that no resonance of a lamp unit is caused with respect to any vibration from external.
  • a further object of the present invention is to present the optical axis adjusting apparatus of a projector type headlight in which the size of a lamp housing is not affected by the existence of adjusting means and a minimum size of the lamp unit corresponding to the lamp unit installed in the lamp housing can be obtained.
  • Figs. 1 to 9 show a first embodiment of the optical axis adjusting apparatus of a projector type headlight of the present invention
  • Fig. 1 is a longitudinal sectional view showing the projector type headlight providing the optical axis adjusting apparatus
  • Fig. 2 is a perspective view showing a headlight including the optical axis adjusting apparatus, and a part of a housing
  • Fig. 3 is a front view showing the projector type headlight
  • Fig. 4 is a sectional view taken along the line IV - IV in Fig. 3
  • Fig. 5 is a sectional view taken along the line V - V in Fig. 3
  • Figs. 6 to 9 are schematic views for explaining the position of the opening which may be formed in a reflector.
  • Figs. 10 to 13 show a second embodiment of the optical axis adjusting apparatus of a projector type headlight of the present invention
  • Fig. 10 is a front view of the projector type headlight
  • Fig. 11 is a sectional view taken along the line XI - XI in Fig. 10
  • Fig. 12 is a sectional view taken along the line XII - XII in Fig. 10
  • Fig. 13 is a sectional view taken along the line XIII - XIII in Fig. 10.
  • a whole projector type headlight 10 in which a reflector 12 has an inside reflecting surface 14 and a bulb 16 as a light source is installed on a reflector's axis Z - Z.
  • the inside reflecting surface 14 is formed in such as revolutional spheroid
  • the bulb 16 as a light source is disposed in such a manner that the filament of the bulb 16 is located on one focal point of the spheroid
  • a shade 18 for shaping the light reflected on the inside reflecting surface 14 and condensing the light toward the other focal point of the spheroid is desposed in such a manner that the upper edge portion of the shade locates on the horizontal surface including the reflector's azis Z - Z.
  • a convex lens 20 for projecting forwardly the pencil shaped by the shade 18 is apart from the shade by a constant distance (the focal distance of the convex lens), and the convex lens 20 is disposed such that the center of the convex lens is lcocated on the reflector's axis Z - Z.
  • These optical system is fixed on the same frame 22 integrally to form a lamp unit.
  • the frame 22 is formed approximately cylindrical, and the convex lens 20 is fixed at one end of the frame 22.
  • the other end of the frame 22 is formed approximately rectangular as a flange portion 23 for the purpose of fixing the reflector 12 as mentioned hereinafter.
  • the reflector 12 is made of synthetic resin, and the opening portion is formed as an approximately rectangular in this embodiment, though it is general to form the opening portion as the flange portion 24 projected in the direction perpendicular to the reflector's axis in view of strength.
  • the flange portion 23 of the frame 22 is connected to the reflector 12 by screwing male screws 28 into female screws formed at the end point of the connecting members 26 respectively.
  • the lamp unit is supported by another bracket 36 rotatably disposed with respect to the bracket 34 fixed in the housing 32.
  • the rotatable bracket 36 is, as shown in Fig. 3, composed of a base wall 38 approximately parallel with the horizontal plane including the horizontal axis X - X perpendicular to the reflector's axis, and a pair of vertical walls 40a and 40b rising from both end portions of the base wall 38, thereby forming U-shaped formation as a whole.
  • the bracket 36 is mounted rotatably around a rotation shaft 42 inserted into a hole formed on a portion of the base wall 38 adjacent to the vertical wall 40a, namely around the axis perpendicular to the reflector's axis and further parallel with the horizontal axis X - X and the vertical axis Y - Y.
  • Numeral 44 denotes a slide shoe formed at the rear surface of the base wall 38 in the vicinity of the vertical wall 40b among the vertical walls 40a and 40b, and the slide shoe 44 is contacted with the bracket 36.
  • the slide shoe 44 supports a portion of the weight of the above-mentioned lamp unit and the bracket 36, and the slide shoe 44 is formed as perlforming the function to reduce the friction force between the bracket 36 and the slide shoe 44 upon rotation of the bracket 36 around the rotation shaft 42.
  • the lamp unit is installed rotatably around the horizontal axis with respect to the bracket 36. Namely, there are provided horizontal shafts 50a and 50b at the upper portion of the paired vertical walls 40a and 40b respectively, and both side portions of the flange portion 23 of the frame 22 are rotatably supported at the horizontal shafts 50a and 50b respectively.
  • the lamp unit is preferably constructed such that the center of gravity of the lamp unit is located in the vertical surface perpendicular to the reflector's axis and including the horizontal shafts 50a and 50b. In this embodiment, the center of gravity thereof is located in the vicinity of the line connecting the horizontal shafts 50a and 50b with each other.
  • adjusting screw rod 60 and 62 in parallel with the reflector's axis and through holes mounted on the housing 32 respectively, and the adjusting screw rod 62 is disposed, as shown in Fig. 2, through the through hole 70 formed on the flange portion 24 of the reflector 12.
  • the adjusting screw rods are constructed so as not to be moved in the axial direction respectively, and the male screw portion of each adjusting screw rods 61 and 63 is screwed, as shown in Figs.
  • the nut 64 is positioned at the position apart from the rotation shaft 42, and the nut 66 is positioned at the position apart upwardly from the line connecting the horizontal shafts 50a and 50b.
  • the center of gravity of the unit lamp is located in the vicinity of the line connecting the horizontal shafts 50a and 50b, therefore the load to be applied to the adjusting screw rods 60 and 62 may be small.
  • the optical axis adjusting apparatus thus constructed, by rotating the screw rod 60 forwardly or reversely, the bracket 36 is rotated around the vertical shaft 42 with respect to the housing 32 forwardly or reversely, in the state that the rotation position of the lamp unit around the horizontal axis is held with respect to the bracket 26, on the other hand by rotating the adjusting screw rod 62 forwardly or reversely, the lamp unit is rotated around the horizontal shafts 50a and 50b with respect to the bracket 36, in the state that the rotation position of the bracket 36 around the vertical shaft is held with respect to the housing 32. Therefore, the optical axis of the lamp unit can be easily adjustable and held at the adjusted position thereof, by rotating the adjusting screw rod 60 or 62 in the suitable direction.
  • Numeral 80 denotes a transparent cover for covering the front opening of the housing 32 and it is fixed at the opening portion of the housing 32 by using adhesive 82.
  • Numeral 84 denotes a non-transparent inner plate for blocking the light incident on the transparent cover 80 through the openings 30 of the frame 22 among the light emitted from the optical source bulb 16 thereby not leaking the light.
  • the through hole 72 is provided at the boundary line between the flange 24 and the reflecting surface 14, in Fig. 8 the through hole 74 being provided at the boundary line between the reflecting surface 14 and the flange 24, and in Fig.
  • the size of the through hole or the recess may be one by which the screw rod 62 can be passed loosely.
  • a frame 23 mounted with the lamp unit is installed on a bracket 90, and the bracket 90 is connected to the housing 32 through a ball joint 92.
  • the bracket 90 is corresponding to the rotation bracket 36 in the first embodiment, but it is different from each other that the frame 23 is fixed on the bracket 90 and the bracket 90 is freely tiltable with resepct to the housing 32.
  • the bracket 90 is composed of a base wall 94, a pair of vertical walls 96a and 96b rising from both end portions of the base wall 94, and a tiltable shaft portion 98 having the receiving portion for receiving the ball portion of the ball joint 92 and formed on the rear surface of the base wall 94 integrally.
  • the lamp unit and the bracket 90 are arranged such that the center of gravity G of the system including the lamp unit and the bracket 90 is located on the vertical surface perpendicular to the reflector's axis and including the line connecting the paired vertical walls 96a and 96b, and the ball joint 92 is disposed at the position on the same plane as the center gravity G or on the plane slightly apart from the above panel, and at the position toward the vertical wall 96a from the reflector's axis.
  • the weight of the system including the lamp unit and the bracket 90 is supported by the ball joint 92, and by rotating the screw rod 60 forwardly or reversely, the bracket 90, i.e.
  • the lamp unit is rotated with the center at the ball joint 92 around the vertical axis forwardly or reversely, on the other hand by rotating the screw rod 62 forwardly or reversely, the lamp unit can be rotated forwardly or reversely with the center at the ball joint 92 around the horizontal axis. Therefore, after fixing the housing 32 including the lamp unit on the automobile's body, an optical axis of the lamp unit can be easily adjusted and further held at the adjusted position.
  • the through hole 70 for passing the screw rod 62 loosely is formed on the flange portion 24 of the reflector 12, but it may be formed at the positions as shown in Figs. 7 to 9.

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  • 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)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Claims (8)

  1. Einstellvorrichtung der optischen Achse einer Projektionsscheinwerfereinheit, wobei die Scheinwerfereinheit einen Reflektor (12) mit einer konkaven reflektierenden Oberfläche (14) aufweist, einen Lichtquellenlampenkolben (16) aufweist, der auf der Achse des Reflektors (12) angeordnet ist und eine Konvexlinse (20) aufweist, dadurch gekennzeichnet, daß die Vorrichtung ein Gehäuse (32) zur Aufnahme der Scheinwerfereinheit aufweist, das mit einem Rahmen (22) ausgerüstet ist, der integral den Reflektor (12) aufweist, einen Schirm (18) aufweist, der in dem Bereich angeordnet ist, in dem das durch die konkave Oberfläche (14) reflektierte Licht zum Formen des Lichts in eine vorbestimmte Gestaltung kondensiert wird, wobei die Linse (20) einen Brennpunkt in der Position des Schirms (18) zum Projizieren des durch den Schirm (18) hindurchtretenden Lichts nach vorn aufweist; eine Halterung (36; 90) umfaßt, die einstellbar bezüglich des Gehäuses (32) angebracht ist zum Tragen des Rahmens (22) in einer drehbaren Position um jeweils die Horizontalachse und die Vertikalachse, die senkrecht zur Achse des Reflektors (12) befindlich ist, eine erste Einstelleinrichtung umfaßt, die aus einem ersten Mutterelement (66) besteht, das auf einem Abschnitt (23) des Rahmens (22) abseits der Horizontalachse befestigt ist und aus einer ersten Einstellschraube (62) besteht, die in einer solchen Weise angebracht ist, daß die erste Einstellschraube (62) parallel zur Reflektorachse angeordnet ist, um ein Ende (63) der ersten Einstellschraube (62) in das erste Mutterelement (66) von der Außenseite des Gehäuse (32) einzuschrauben und daß das andere Ende der ersten Einstellschraube (62) auf dem Gehäuse (32) solcherart angebracht ist, daß deren Drehung gestattet wird und außerdem dessen Bewegung in Axialrichtung verhindert wird, wobei die erste Einstelleinrichtung zum Kippen des Rahmens (22) um die Horizontalachse vorgesehen ist und die zweite Einstelleinrichtung aus einem zweiten Mutterelement (64) besteht, das auf einem Abschnitt der Halterung (36; 90) abseits der Vertikalachse befestigt ist und aus einer zweiten Einstellschraube (60) besteht, die in einer solchen Weise angebracht ist, daß die zweite Einstellschraube (60) parallel zur Reflektorachse so angeordnet ist, daß ein Ende (61) der zweiten Einstellschraube (60) in das zweite Mutterelement (64) von der Außenseite des Gehäuses (32) eingeschraubt wird und daß das andere Ende der zweiten Einstellschraube (60) auf dem Gehäuse (32) solcherart angebracht ist, daß deren Drehung gestattet wird und außerdem dessen Bewegung in Axialrichtung verhindert wird, wobei die zweite Einstelleinrichtung zum Kippen der Halterung (36; 90) um die Vertikalachse vorgesehen ist.
  2. Einstellvorrichtung der optischen Achse entsprechend Anspruch 1, wobei die Halterung (36; 90) aus einer Basiswand (38; 94) besteht, die parallel zu der Horizontalebene verläuft, die sich über die Reflektorachse und die Horizontalachse erstreckt und aus einem Paar Vertikalwänden (40a, 40b; 96a, 96b) besteht, die von beiden Seitenabschnitten der Basiswand (38, 94) hochstehen, wobei die Halterung (36; 90) solcherart drehbar an einem Abschnitt der Basiswand (38; 94) angebracht ist, daß sich die Halterung (36; 90) um die Vertikalachse senkrecht zur Reflektorachse dreht und daß die paarweise angeordneten Vertikalwände (40a, 40b, 96a, 96b) an beiden Seitenabschnitten des Rahmens positioniert sind, um drehbar den Rahmen (22) um die Horizontalachse senkrecht zur Reflektorachse zu tragen.
  3. Einstellvorrichtung der optischen Achse nach Anspruch 1, wobei die Horizontalachse und die Vertikalachse der Halterung (36; 90) im wesentlichen in der Ebene senkrecht zur Reflektorachse und durch das Schwerezentrum des Projektionsscheinwerfers hindurchtretend angeordnet ist.
  4. Einstellvorrichtung der optischen Achse nach Anspruch 2, wobei die erste Mutter (66) der ersten Einstelleinrichtung auf dem Rahmen (22) an den oberen Abschnitt der Vertikalachse der Halterung (36; 90) befestigt ist und die zweite Mutter (64) der zweiten Einstelleinrichtung auf der Vertikalwand (40b; 96b), entfernt von der Vertikalwelle der Halterung (36; 90), befestigt ist.
  5. Einstellvorrichtung der optischen Achse nach Anspruch 3, wobei eine Öffnung (70; 72; 74; 76) zum losen Hindurchlassen zumindest einer (62) der ersten und zweiten Einstellschrauben (62; 60) an dem Abschnitt vorgesehen ist, der nicht zur wesentlichen Kondensation des Lichts beiträgt, das von der Lichtquelle des Reflektors (12) emittiert wird.
  6. Einstellvorrichtung der optischen Achse nach Anspruch 1, wobei die Lampeneinheit auf der Halterung (90) befestigt ist und wobei die Halterung (90) mit dem Gehäuse (32) über ein Kugelgelenk (92) verbunden ist, das im wesentlichen in der Ebene angeordnet ist, die durch das Schwerezentrum des Körpers hindurchtritt, um einschließlich des Projektionsscheinwerfers und der Halterung (90) und senkrecht zur Reflektorachse getragen zu werden.
  7. Einstellvorrichtung der optischen Achse nach Anspruch 6, wobei die Halterung (90) aus einer Basiswand (94) besteht, die parallel zu der Horizontalebene verläuft, die sich durch die Reflektorachse und die Horizontalachse erstreckt, und aus einem Paar Vertikalwänden (96a, 96b) besteht, die von beiden Seitenabschnitten der Basiswand (94) hochstehen, wobei die Halterung (90) drehbar bezüglich des Gehäuses (32) durch das Kugelgelenk (92) an einem Abschnitt der Basiswand (94) angebracht ist, wobei die paarweise angeordneten Vertikalwände (96a, 96b) an beiden Seitenabschnitten des Rahmens (22) positioniert sind, um den Rahmen (22) zu tragen.
  8. Einstellvorrichtung der optischen Achse nach Anspruch 6, wobei eine Öffnung (70; 72; 74; 76) zum losen Hindurchlassen zumindest einer der ersten und zweiten Einstellschrauben (60; 62) an dem Abschnitt vorgesehen ist, der nicht zur wesentlichen Kondensation des Lichts beiträgt, das von der Lichtquelle (16) des Reflektors (12) emittiert wird.
EP88100403A 1987-01-14 1988-01-13 Vorrichtung zum Einstellen der optischen Achse eines Fahrzeugscheinwerfers Expired - Lifetime EP0275095B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1987002895U JPS63111703U (de) 1987-01-14 1987-01-14
JP2895/87U 1987-01-14
JP22908/87U 1987-02-20
JP1987022908U JPH0346401Y2 (de) 1987-02-20 1987-02-20

Publications (3)

Publication Number Publication Date
EP0275095A2 EP0275095A2 (de) 1988-07-20
EP0275095A3 EP0275095A3 (en) 1989-11-02
EP0275095B1 true EP0275095B1 (de) 1993-10-06

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EP88100403A Expired - Lifetime EP0275095B1 (de) 1987-01-14 1988-01-13 Vorrichtung zum Einstellen der optischen Achse eines Fahrzeugscheinwerfers

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EP (1) EP0275095B1 (de)
DE (2) DE275095T1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004061484A1 (de) * 2004-12-21 2006-11-30 Hella Kgaa Hueck & Co. Haltevorrichtung für ein Lichtmodul und Montageverfahren
CN102878453A (zh) * 2012-08-28 2013-01-16 中国科学院长春光学精密机械与物理研究所 一种可实现球面运动轨迹的光源机构

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DE3827593A1 (de) * 1988-08-13 1990-02-15 Hella Kg Hueck & Co Abgeblendeter fahrzeugscheinwerfer nach dem projektionsprinzip
JPH0817043B2 (ja) * 1989-09-13 1996-02-21 株式会社小糸製作所 車輌用灯具
US5117335A (en) * 1989-12-28 1992-05-26 Koito Manufacturing Co., Ltd. Headlight for vehicle
DE4233030C2 (de) * 1992-10-01 1995-03-30 Hella Kg Hueck & Co Abgeblendeter Fahrzeugscheinwerfer
DE10129968A1 (de) * 2001-06-21 2003-01-02 Automotive Lighting Reutlingen Scheinwerfer, insbesondere für ein Kraftfahrzeug
DE10131099A1 (de) * 2001-06-27 2003-01-09 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
ES2293844B2 (es) * 2001-12-28 2008-12-01 Honda Giken Kogyo Kabushiki Kaisha Estructura de montaje de faro de vehiculo.
DE10210874B4 (de) * 2002-03-12 2008-09-11 Automotive Lighting Reutlingen Gmbh Scheinwerfer
FR2887960B1 (fr) * 2005-06-30 2009-11-20 Valeo Vision Dispositif projecteur antibrouillard avec lentille de projection.
DE502005009198D1 (de) * 2005-09-08 2010-04-22 Hella Kgaa Hueck & Co Kraftfahrzeugscheinwerfer
JP2011150993A (ja) * 2009-12-25 2011-08-04 Koito Mfg Co Ltd 車輌用前照灯
JP6034608B2 (ja) * 2012-07-18 2016-11-30 株式会社小糸製作所 車輌用前照灯
DE102012111639A1 (de) * 2012-11-30 2014-06-05 Hella Kgaa Hueck & Co. Zusatzlichtmodul für einen Scheinwerfer eines Fahrzeugs

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FR893349A (fr) * 1942-04-13 1944-06-06 Bosch Gmbh Robert Phare destiné à être monté dans le revêtement d'un véhicule
FR2225690B1 (de) * 1973-04-11 1983-08-19 Cibie Projecteurs
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004061484A1 (de) * 2004-12-21 2006-11-30 Hella Kgaa Hueck & Co. Haltevorrichtung für ein Lichtmodul und Montageverfahren
DE102004061484B4 (de) * 2004-12-21 2010-04-08 Hella Kgaa Hueck & Co. Haltevorrichtung für ein Lichtmodul und Montageverfahren
CN102878453A (zh) * 2012-08-28 2013-01-16 中国科学院长春光学精密机械与物理研究所 一种可实现球面运动轨迹的光源机构
CN102878453B (zh) * 2012-08-28 2014-12-24 中国科学院长春光学精密机械与物理研究所 一种可实现球面运动轨迹的光源机构

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DE3884631T2 (de) 1994-01-27
DE275095T1 (de) 1988-12-15
EP0275095A3 (en) 1989-11-02
DE3884631D1 (de) 1993-11-11
EP0275095A2 (de) 1988-07-20

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