JPH01161952U

JPH01161952U -

Info

Publication number: JPH01161952U
Application number: JP5670088U
Authority: JP
Priority date: 1988-04-28
Filing date: 1988-04-28
Publication date: 1989-11-10
Also published as: JPH0436988Y2

Description

[Brief explanation of the drawing]

第１図は本考案に係る光軸調整装置の一実施例
を示し、第１図Ａは垂直縦断面図、第１図Ｂは上
記Ａ図のＢ―Ｂ断面図、第１図Ｃはギヤハウジン
グ付近の拡大詳細図である。第２図乃至第４図は
それぞれ従来例の光軸調整装置を示す垂直縦断面
図である。第５図は第４図の―断面図である
。１，１′…ランプハウジング、１ｂ…ブラケツ
ト、１ｂ_−１…凹円柱面、２…光源バルブ、３，
３′…前面レンズ、４，４′…球継手、５，５′
…ナツト部材、６，６′，６″…雄ネジ部材、７
…凹面反射鏡、８Ａ，８Ｂ…傘歯車、９…操作軸
、１０…ギヤハウジング、１０ａ…Ｕ字状切欠。 Fig. 1 shows an embodiment of the optical axis adjusting device according to the present invention, Fig. 1A is a vertical longitudinal sectional view, Fig. 1B is a BB sectional view of Fig. A above, and Fig. 1C is a gear. FIG. 3 is an enlarged detailed view of the vicinity of the housing. 2 to 4 are vertical longitudinal sectional views showing conventional optical axis adjustment devices, respectively. FIG. 5 is a cross-sectional view of FIG. 4. 1, 1'...Lamp housing, 1b...Bracket, 1b _-1 ...Concave cylindrical surface, 2...Light source bulb, 3,
3'...front lens, 4,4'...ball joint, 5,5'
...Nut member, 6, 6', 6''...Male thread member, 7
...Concave reflector, 8A, 8B...Bevel gear, 9...Operation shaft, 10...Gear housing, 10a...U-shaped notch.

Claims

[Claims for Utility Model Registration] In a vehicle lamp in which a concave reflector is provided in the lamp housing and a light source bulb is located near the focal point of the reflector, at least one of the lamp housing and the reflector is attached to the vehicle. an optical axis that is tiltably supported with respect to a fixed member, has a nut member attached to either one of the fixed members, and is configured such that the nut member can be threaded by a male screw member screwed into the nut member; The adjustment device includes: (a) fixing a bevel gear to the male screw member; (b) forming a base bevel gear that meshes with the bevel gear; and (C) an operating shaft disposed in a vertical direction. (d) providing a gear case that covers the original bevel gear and the receiving bevel gear, and attaching the gear case to a stationary member fixed to a fixed member of the vehicle; (e) a bracket protrudes into the gear case from the stationary member, and a concave cylindrical surface is provided at the tip of the bracket; An optical axis adjustment device for a vehicle lamp, characterized in that the optical axis adjustment device is arranged so that one side faces the other.