JPH03119944U

JPH03119944U -

Info

Publication number: JPH03119944U
Application number: JP2818090U
Authority: JP
Priority date: 1990-03-22
Filing date: 1990-03-22
Publication date: 1991-12-10

Description

[Brief explanation of drawings]

第１図は本考案に係る放電灯の１実施例を光源
として設置した自動車用前照灯の垂直断面図であ
る。第２図は上記第１図に示した部拡大詳細図
である。第３図は上記と異なる実施例の放電灯を
説明するための断面図であつて、前例における第
２図に対応する図である。第４図は従来例の放電
灯を光源として設けた自動車用前照灯の垂直断面
図である。第５図は上記第４図に示した部拡大
詳細図である。１……ランプハウジング、２……レンズ、３…
…ソケツト、４……ソケツトホルダ、５……従来
例の放電灯、６，６′……アーク、７……本考案
の実施例に係る放電灯、７ａ……管球、７ｂ，７
ｃ……１対の放電用電極、８……上記と異なる実
施例の放電灯、８ａ……管球、８ｂ，８ｃ……１
対の放電用電極。 FIG. 1 is a vertical sectional view of an automobile headlamp in which an embodiment of the discharge lamp according to the present invention is installed as a light source. FIG. 2 is an enlarged detailed view of the portion shown in FIG. 1 above. FIG. 3 is a sectional view for explaining a discharge lamp of an embodiment different from the above, and corresponds to FIG. 2 in the previous example. FIG. 4 is a vertical sectional view of an automobile headlamp provided with a conventional discharge lamp as a light source. FIG. 5 is an enlarged detailed view of the portion shown in FIG. 4 above. 1... Lamp housing, 2... Lens, 3...
...Socket, 4...Socket holder, 5...Conventional discharge lamp, 6, 6'...Arc, 7...Discharge lamp according to the embodiment of the present invention, 7a...Tube, 7b, 7
c...Pair of discharge electrodes, 8...Discharge lamp of a different embodiment from the above, 8a...Tube bulb, 8b, 8c...1
Pair of discharge electrodes.

Claims

[Claims for Utility Model Registration] In a discharge lamp that is used as a light source for a vehicle lamp equipped with a reflector, and in which a pair of discharge electrodes face each other substantially horizontally when in use, the above-mentioned pair of discharge electrodes The shape of the central part of the tube is asymmetrical with respect to the line connecting the pair of discharge electrodes, and the distance between the center point of the line connecting the pair of discharge electrodes and the top wall of the tube is A discharge lamp characterized by a short distance from the wall.