JPS5821902U

JPS5821902U - headlight unit

Info

Publication number: JPS5821902U
Application number: JP11619581U
Authority: JP
Inventors: 巽長谷川; 政司前川
Original assignee: 市光工業株式会社
Priority date: 1981-08-06
Filing date: 1981-08-06
Publication date: 1983-02-10
Also published as: JPS6137123Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の前照灯ユニットの正面図、第２図は第１
図の■−■線断面図、第３図は第１図の■−■線断面図
、第４図乃至第６図は本考案の一実施例を示し、第４図
は一部切欠正面図、第５図は第４図のＩＶ−ＩＶ線断面
図、第６図は第５図のＡ部拡大図、第７図及び第８図は
他の実施例を示し、第７図は一部切欠正面図、第８図は
第７図の■−Ｖ線断面図である。１・・・・・・リフレクタ−１１３・・・・・・反射面
、１３ａ・・・・・・上部位、１４・・・・・・反射面
部、２・・・・・・バルブ、２１・・・・・・サブフィ
ラメント、２２・・・・・・メインフィラメント、３・
・・・・・前面レンズ、ｂ′・・・・・・集光部、ｂ″
・・・・・・集光部の上部、ｆ・・・・・・焦点、ｉ・
・・・・・光軸線。Figure 1 is a front view of a conventional headlight unit, and Figure 2 is a front view of a conventional headlight unit.
3 is a sectional view taken along the line ■-■ in FIG. 1, FIGS. 4 to 6 show an embodiment of the present invention, and FIG. 4 is a partially cutaway front view , FIG. 5 is a sectional view taken along line IV-IV in FIG. 4, FIG. 6 is an enlarged view of part A in FIG. 5, FIGS. 7 and 8 show other embodiments, and FIG. The cutaway front view, FIG. 8, is a sectional view taken along the line ■-V in FIG. 7. 1... Reflector-113... Reflective surface, 13a... Upper part, 14... Reflective surface portion, 2... Bulb, 21... ...Sub filament, 22...Main filament, 3.
...Front lens, b'...Condensing section, b''
...Top of condensing section, f...Focus, i.
...Optical axis line.

Claims

[Scope of utility model registration request]

A bulb having an inner surface formed as a reflective surface having a substantially paraboloid of revolution shape, a flefter, a filament located in front of the focal point of the reflector, and a front surface made of synthetic resin disposed on the front surface of the reflector. A headlamp unit comprising a lens, characterized in that a plurality of diffuse reflection surface parts are provided above the reflection surface to diffuse heat rays concentrated at the upper part of the light condensing part of the front lens. light unit.