JPS5826004U

JPS5826004U - Lens for vehicle lights

Info

Publication number: JPS5826004U
Application number: JP11960881U
Authority: JP
Inventors: 潤一鈴木
Original assignee: 株式会社小糸製作所
Priority date: 1981-08-11
Filing date: 1981-08-11
Publication date: 1983-02-19
Also published as: JPS6226721Y2

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の車輌用灯具の一例を示す横断平面図、第
２図は従来の車輌灯具用レンズの一例゛を示す正面図、
第３図は配光例を示す図、第４図は従来の車輌灯具用レ
ンズの拡散素子を示すものでＡ図は拡大水平断面図、Ｂ
図は拡大垂直断面図、第５図は従来の車輌灯具用レンズ
による配光と第３図の配光との関係を示す図、第６図は
本考案に係る車輌灯具用レンズの一例を示す部分の正面
図、第７図は第６図のレンズにおける一方の拡散素子を
拡大して示すもので、Ａ図は正面図、Ｂ図はＡ図のＢ−
Ｂ線に沿う断面図、０図はＡ図のＣ−Ｃ線に沿う断面図
、第８図は第６図のレンズにおける他方の拡散素子を拡
大して示すもので、Ａ図は正面図、Ｂ図はＡ図゛のＢ−
Ｂ線に沿う断面図、０図はＡ図のＣ−Ｃ線に沿う断面図
、第９図は第６図のレンズによる配光を示す図、第１０
図は本考案車輌灯具用レンズの変形例を示す一部の正面
図である。符号の説明、１・・・車輌灯具用レンズ、２・・・拡散
素子、３・・・拡散素子。第２図ｅ −、／−−−−・　−１第４図　　　（Ｂ）」　　　　　　　　第７図（Ａ）　　　　（Ｃ）FIG. 1 is a cross-sectional plan view showing an example of a conventional vehicle lamp, and FIG. 2 is a front view showing an example of a conventional vehicle lamp lens.
Fig. 3 is a diagram showing an example of light distribution, Fig. 4 is a diagram showing a diffusion element of a conventional lens for a vehicle lamp, and Fig. A is an enlarged horizontal cross-sectional view, and Fig. B is an enlarged horizontal cross-sectional view.
The figure is an enlarged vertical sectional view, FIG. 5 is a diagram showing the relationship between the light distribution by a conventional vehicle light lens and the light distribution in FIG. 3, and FIG. 6 is an example of the vehicle light lens according to the present invention. 7 is an enlarged view of one of the diffusing elements in the lens shown in FIG. 6, and FIG. A is a front view, and FIG.
0 is a cross-sectional view taken along line C-C in figure A, Figure 8 is an enlarged view of the other diffusing element in the lens in figure 6, figure A is a front view, Figure B is B- of Figure A.
Figure 0 is a cross-sectional view taken along line B, Figure 0 is a cross-sectional view taken along line C-C in Figure A, Figure 9 is a diagram showing light distribution by the lens in Figure 6, Figure 10 is a diagram showing the light distribution by the lens in Figure 6.
The figure is a partial front view showing a modified example of the lens for a vehicle lamp according to the present invention. Explanation of symbols: 1... Lens for vehicle lamp, 2... Diffusion element, 3... Diffusion element. Figure 2 e -, /------1 Figure 4 (B) Figure 7 (A) (C)

Claims

[Scope of utility model registration request]

(1) Two types of diffusion elements with different main diffusion directions are alternately arranged one by one, and/or several of the same type are grouped together, and different types of elements are arranged alternately for each group. Characteristic lenses for vehicle lighting.

(2) A lens for a vehicle lamp according to claim 1, which is characterized in that the alternating arrangement is in a checkerboard pattern.

(3) Utility model registration claim 1, characterized in that the main diffusion direction of one of the two types of diffusion elements is the vertical direction, and the main diffusion direction of the other is the horizontal direction.
The lens for a vehicle lamp according to item 1 or 2.