JPS61202804U

JPS61202804U -

Info

Publication number: JPS61202804U
Application number: JP8629785U
Authority: JP
Priority date: 1985-06-10
Filing date: 1985-06-10
Publication date: 1986-12-19

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の構成を説明する為
の断面図、第２図は上記実施例の構成部材の単品
図、第３図は上記実施例の作用説明図、第４図は
上記実施例の構成部材の単品図、第５図は上記実
施例の作用説明図、第６図は上記実施例の作用を
説明するための図表である。第７図は上記と異な
る実施例の構成を説明する為の断面図、第８図は
上記実施例の作用説明図である。第９図は従来の
自動車用前照灯の正面図、第１０図は第９図のＸ
―Ｘ断面図である。１……ランプハウジング、２……レンズ、３…
…凹面鏡、４……光源バルブ、５……球接手、６
，７……ネジ送り手段、６ａ，６ａ′……ナツト
部材、６ｂ，６ｂ′，６ｂ″……ネジ杆、６ｃ，
６ｃ′……６角頭部、６ｄ，６ｄ′……フランジ
、６ｅ，６ｅ′……小径部、６ｆ，６ｆ′……止
具、６ｇ，６ｇ′……Ｏリング、６ｈ′……ロー
レツト部、６ｉ′……圧入部、６ｊ′……円柱状
部、６ｋ′……ローレツト部、８，８′……ノブ
、８ａ……係合穴、８ｂ，８ｂ′……突起、１０
……案内部材、１０ａ……内フランジ状の縁、１
０ｂ……切欠、１０ｃ……斜面、１２，１２′…
…円錐状コイルスプリング。 Fig. 1 is a sectional view for explaining the configuration of an embodiment of the present invention, Fig. 2 is a single item diagram of the constituent members of the above embodiment, Fig. 3 is an explanatory diagram of the operation of the above embodiment, and Fig. 4 is FIG. 5 is a diagram illustrating the operation of the embodiment, and FIG. 6 is a diagram illustrating the operation of the embodiment. FIG. 7 is a sectional view for explaining the configuration of an embodiment different from the above, and FIG. 8 is a diagram for explaining the operation of the above embodiment. Figure 9 is a front view of a conventional automobile headlamp, and Figure 10 is the X in Figure 9.
-X sectional view. 1... Lamp housing, 2... Lens, 3...
...Concave mirror, 4...Light source bulb, 5...Ball joint, 6
, 7...screw feeding means, 6a, 6a'...nut member, 6b, 6b', 6b''...screw rod, 6c,
6c'...Hexagonal head, 6d, 6d'...Flange, 6e, 6e'...Small diameter part, 6f, 6f'...Stop, 6g, 6g'...O ring, 6h'...Knurled part , 6i'...Press-fitting part, 6j'...Cylindrical part, 6k'...Knurled part, 8, 8'...Knob, 8a...Engaging hole, 8b, 8b'...Protrusion, 10
...Guiding member, 10a...Inner flange-like edge, 1
0b...notch, 10c...slope, 12,12'...
...Conical coil spring.

Claims

[Scope of utility model registration request]

A concave mirror is provided in the lamp housing, a light source bulb is provided near the focal point of the concave mirror, and either the lamp housing or the concave mirror is supported by one ball joint and two screw means. , an optical axis adjusting device configured to be able to adjust the optical axis by the screw means, the screw means comprising a nut member attached to the member to be adjusted;
a threaded rod screwed onto the threaded rod, a cylindrical knob slidably fitted onto the threaded rod, a spring means for biasing the knob in a direction to push the knob out of the threaded rod, and the threaded rod and the knob. and a means for transmitting relative rotation to the knob, and when no other operating force is applied to the knob, the rotation transmission means disconnects the transmission and the knob is moved by the biasing force of the spring means. 1. An automobile headlamp configured to transmit power when pushed into a threaded rod against a force, wherein the spring means is a conical coil spring.