JPS62139017U

JPS62139017U -

Info

Publication number: JPS62139017U
Application number: JP1453586U
Authority: JP
Priority date: 1986-02-05
Filing date: 1986-02-05
Publication date: 1987-09-02
Also published as: JPH0135383Y2

Description

[Brief explanation of the drawing]

第１図は本考案の灯体本体にミラーを取付けた
正面図、第２図はその縮小斜視図、第３図は本考
案の一実施例の説明断面図。第４図は従来品の一
例の斜視図。１は灯体本体、２は内部のフイン、３は外部の
フイン、５はミラー、６はランプ、７は台座、８
は調整軸、９は押圧バネ、１０はガラス、１１は
ゴムバツキン、１２は前方枠、１３は後方枠、５
ａはミラーの中心の孔、５ｂはミラーの先端外周
部。 FIG. 1 is a front view of a mirror attached to the lamp body of the present invention, FIG. 2 is a reduced perspective view thereof, and FIG. 3 is an explanatory sectional view of one embodiment of the present invention. FIG. 4 is a perspective view of an example of a conventional product. 1 is the lamp body, 2 is the internal fin, 3 is the external fin, 5 is the mirror, 6 is the lamp, 7 is the pedestal, 8
is an adjustment shaft, 9 is a pressure spring, 10 is a glass, 11 is a rubber butt, 12 is a front frame, 13 is a rear frame, 5
a is the hole at the center of the mirror, and 5b is the outer periphery of the tip of the mirror.

補正昭６１．１２．１６考案の名称を次のように補正する。考案の名称投光器実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment December 16, 1981 The name of the invention is amended as follows. Title of the invention: Floodlight The scope of the claims for utility model registration and the brief description of the drawings are amended as follows.

【実用新案登録請求の範囲】筒状本体と、この筒状本体の内面にその周方向
に所定の間隔を隔てて複数本突設されてその軸方
向に伸びる放冷用の内部フインと、中央部に通気
穴を有し外周縁が上記内部フインの項端に近接す
るように上記筒状本体内に配設された椀状のミラ
ーを具え、上記筒状本体内の空気が熱対流によつ
て上記ミラーの後方からその通気穴を通つて前方
に至り外周縁を越えて隣接する上記内部フインの
間を経て上記ミラーの後方へ戻る空気循環通路を
形成したことを特徴とする投光器。[Claims for Utility Model Registration] A cylindrical body, a plurality of internal cooling fins protruding from the inner surface of the cylindrical body at predetermined intervals in the circumferential direction and extending in the axial direction, and a central A bowl-shaped mirror is provided inside the cylindrical body so that the outer periphery thereof is close to the end of the inner fin, and the bowl-shaped mirror has a ventilation hole in the inner fin. The projector is characterized in that an air circulation passage is formed that extends from the rear of the mirror to the front through the ventilation hole, crosses the outer periphery, passes between the adjacent inner fins, and returns to the rear of the mirror.

【図面の簡単な説明】第１図ないし第３図は本考案の１実施例を示し
、第１図は投光器の縦断面図、第２図は第１図に
おける―線に沿う横断面図、第３図は筒状本
体の斜視図である。第４図は従来の携帯用投光器
の斜視図である。筒状本体……１、内部フイン……２、項端……
２ａ、ミラー……５、通気穴……５ａ、外周縁…
…５ｂ。[Brief Description of the Drawings] Figures 1 to 3 show one embodiment of the present invention, in which Figure 1 is a longitudinal cross-sectional view of the projector, Figure 2 is a cross-sectional view taken along the - line in Figure 1, FIG. 3 is a perspective view of the cylindrical body. FIG. 4 is a perspective view of a conventional portable floodlight. Cylindrical body...1, Internal fin...2, Nuchal end...
2a, Mirror...5, Ventilation hole...5a, Outer edge...
...5b.

Claims

[Scope of utility model registration request]

A light body 1 such as a floodlight or a flashlight, a plurality of internal cooling fins 2 protruding from the inner wall of the light body 1, and fins 2 protruding from the outside of the main light body 1. By supporting the mirror 5 with the end 2a of the internal fin,
This finned light body is characterized in that an air flow path is provided in the light body 1 from the front to the rear of the mirror 5, and the lamp is cooled by heat convection in the space between it and the gap at the center of the mirror.