JPS5936501U - vehicle headlights - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図乃至第４図は従来例を示し、第１図イはバルブの
側面図、同図ｏｃまイ図の平面図、第２図は前照灯の縦
断面図、第３図イはメインフィラメントによる反射され
たままの配光パターン図、同図口はイ図の水平線断面に
よる光度分布図、同図ハはサブフィラメントによる反射
されたままの配光パターン図、同図二はへ図の水平線断
面による光度分布図、第４図イはレンズで拡散したメイ
ンフィラメントの配光パタン図、同図用まレンズによる
サブフィラメントの配光パターン図、第５図乃至第９図
は本考案の一実施例を示し、第５図は前照灯の縦断面図
、第６図は第５図のＡ−Ａ線拡大断面図、第７図はバル
ブを示しイ図は側面図、０図はイ図の平面図、第８図は
反射されたままの基本配光を示しイ図はメインフィラメ
ントのパターン図、０図はイ図の水平線断面による光度
分布図、へ図はサブフィラメントのパターン図、二図は
へ図の水平線断面による光度分布図、第９図はレンズで
拡散した配光を示し、イ図はメインフィラメントの配光
パターン図、０図はサブフィラメントの配光パターン図
である。 ４・・・リフレクタ−１５・・・レンズ、６・・・バル
ブ、６２・・・メインフィラメント、６３・・・サブフ
ィラメント、６４．６５・・・遮光体、Ｘ−Ｘ・・・主
光軸、Ｌ・・・バルブ軸線、ｆ・・・焦点。 丁　　　　　　　ｌ　　　　工 ■　　１　　ニ ーｌＩＬＩＮ− 第２図 １　　６４Figures 1 to 4 show conventional examples, where Figure 1A is a side view of the bulb, Figure 2 is a top view of the front view, Figure 2 is a vertical sectional view of the headlamp, and Figure 3A is a side view of the bulb. A diagram of the light distribution pattern as reflected by the main filament; the opening of the figure is a diagram of the luminous intensity distribution according to the horizontal cross section of Figure A; Figure C is a diagram of the light distribution pattern as reflected by the sub-filament; Figure 4A is a diagram of the light intensity distribution according to a horizontal cross-section of Fig. 5 is a longitudinal sectional view of the headlamp, Fig. 6 is an enlarged sectional view taken along line A-A in Fig. 5, Fig. 7 shows the bulb, Fig. A is a side view, and Fig. 0 is a side view. Figure A is a plan view, Figure 8 shows the basic light distribution as it is reflected, Figure A is a pattern diagram of the main filament, Figure 0 is a luminous intensity distribution diagram according to a horizontal cross section of Figure A, and Figure F is a pattern diagram of a sub-filament. , Figure 2 is a luminous intensity distribution diagram according to the horizontal cross-section of Figure F, Figure 9 shows the light distribution diffused by the lens, Figure A is a diagram of the light distribution pattern of the main filament, and Figure 0 is a diagram of the light distribution pattern of the sub-filament. . 4... Reflector-15... Lens, 6... Bulb, 62... Main filament, 63... Sub filament, 64.65... Light shield, X-X... Main optical axis , L...bulb axis, f...focal point. Ding l Eng■ 1 Knee ILIN- Fig. 2 1 64

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 略回転放物面形状のりフレフタ−と、該リフレクタ−の
前面を覆うレンズと、バルブ軸線に沿って長さを有する
メインフィラメントとサブフィラメントと該サブフィラ
メントの略下半部と前方を覆う遮光体とを有するバルブ
とを備え、前記バルブのメインフィラメントに前記バル
ブ軸線上に位置すると共に、前記サブフィラメントはバ
ルブ軸線上で且つメインフィラメントより前方に位置し
、前記リフレクダーに該バルブを主光軸にそのバルブ軸
線を一致させて前記メインフィラメントを焦点に略位置
させるように取付けてなることを特徴とする車輌用前照
灯。A glue reflector in the shape of a substantially paraboloid of revolution, a lens that covers the front surface of the reflector, a main filament and a sub-filament having a length along the bulb axis, and a light shield that covers substantially the lower half and the front of the sub-filament. the main filament of the bulb is located on the bulb axis, the sub-filament is located on the bulb axis and forward of the main filament, and the reflector has the bulb on the main optical axis. A headlamp for a vehicle, characterized in that the main filament is mounted so that the main filament is located approximately at the focal point with the bulb axis aligned with the main filament.