JPS63134401U

JPS63134401U -

Info

Publication number: JPS63134401U
Application number: JP2648187U
Authority: JP
Priority date: 1987-02-26
Filing date: 1987-02-26
Publication date: 1988-09-02
Anticipated expiration: 2002-02-26
Also published as: JPH0745842Y2

Description

[Brief explanation of the drawing]

第１図乃至第６図は本考案に係る光軸調整装置
における保持機構の一実施例を示し、第１図は本
考案の光軸調整装置の保持機構を装備した自動車
用前照灯の断面図、第２図は同じく自動車用前照
灯の正面図、第３図は第２図における―線断
面図、第４図は第２図における―線断面図、
第５図ａはスクリユウマウンテイングの平面図、
第５図ｂ，ｃは第５図ａにおけるｂ―ｂ線断面図
、ｃ―ｃ線断面図、第６図ａはブラケツトの平面
図、第６図ｂ，ｃは第６図ａにおけるｂ―ｂ線断
面図、ｃ―ｃ線断面図である。第７図は従来の光
軸調整装置の保持機構を装備した自動車用前照灯
の正面図、第８図は第７図における―線断面
図、第９図は第７図における―線断面図、第
１０図はスクリユウマウンテイングの斜視図であ
る。１……ハウジング（固定体）、２……可動体、
２１……リフレクタ、２３……レンズ、２６……
装着部、２９……凹面部、２９１，２９２……半
球凹面、２９３……円筒凹面、３……球支持機構
、６……アジヤストスクリユウ、７……取付部材
、８……スクリユウマウンテイング、８０……ね
じ孔、８１，８２……半球凸面、８３……円筒凸
面、９……ブラケツト、９０……凹面部、９０１
，９０２……半球凹面、９０３……円筒凹面。 1 to 6 show an embodiment of the holding mechanism in the optical axis adjustment device according to the present invention, and FIG. 1 is a cross section of an automobile headlamp equipped with the holding mechanism of the optical axis adjustment device according to the present invention. Figure 2 is a front view of the automobile headlamp, Figure 3 is a cross-sectional view taken along the line - in Figure 2, Figure 4 is a cross-sectional view taken along the line - in Figure 2,
Figure 5a is a plan view of the screw mounting;
Figures 5b and c are cross-sectional views taken along lines bb and c-c in Figure 5a, Figure 6a is a plan view of the bracket, and Figures 6b and c are b-- in Figure 6a. They are a sectional view taken along the line b and a sectional view taken along the line cc. Fig. 7 is a front view of an automobile headlamp equipped with a conventional holding mechanism for an optical axis adjustment device, Fig. 8 is a sectional view taken along the line - - in Fig. 7, and Fig. 9 is a sectional view taken along the line - - in Fig. 7. , FIG. 10 is a perspective view of the screw mounting. 1... Housing (fixed body), 2... Movable body,
21... Reflector, 23... Lens, 26...
Mounting part, 29... Concave part, 291, 292... Hemispherical concave surface, 293... Cylindrical concave surface, 3... Ball support mechanism, 6... Adjustment screw, 7... Mounting member, 8... Screw mounting , 80... Screw hole, 81, 82... Hemispherical convex surface, 83... Cylindrical convex surface, 9... Bracket, 90... Concave surface part, 901
, 902... Hemispherical concave surface, 903... Cylindrical concave surface.

Claims

[Scope of utility model registration request]

A ball support mechanism in which a movable body is rotatably and tiltably supported on a fixed body, a screw mounting attached to the movable body, and an adjusting screw screwed into the screw mounting and attached to the fixed body. In an optical axis adjustment device equipped with
The outer surface of the screw mounting and the inner surface of the portion of the movable body to which the screw mounting is attached can be rotated and tilted with respect to the axial direction of the adjusting screw, and A holding mechanism in an optical axis adjustment device, characterized in that it is formed with a curved surface that cannot be rotated or tilted in any direction.