JPS638024Y2

JPS638024Y2 -

Info

Publication number: JPS638024Y2
Application number: JP16236182U
Authority: JP
Priority date: 1982-10-28
Filing date: 1982-10-28
Publication date: 1988-03-09
Also published as: JPS5966807U

Description

【考案の詳細な説明】〔考案の技術分野〕本考案は螢光灯を光源とする照明器具に係る。[Detailed explanation of the idea] [Technical field of invention] The present invention relates to a lighting device using a fluorescent lamp as a light source.

[Technical background of the invention]

ケーブルを布設する洞道内には、洞道天井に取
付けて照明器具が取付けてある。而して、それら
の照明器具は消費電力を少くするため、螢光灯を
光源とする場合が多い。 In the tunnel where the cable is laid, lighting equipment is installed on the tunnel ceiling. In order to reduce power consumption, these lighting devices often use fluorescent lamps as a light source.

[Problems with background technology]

従来の照明器具は洞道天井に固定されているた
め、高さの大きな物品を運搬する際にじやまにな
ることがあつた。 Conventional lighting fixtures are fixed to the ceiling of the tunnel, making it difficult to transport large items.

[Purpose of invention]

本考案は上記の事情に基きなされたもので、物
品運搬時には洞道天井からの垂下量を変更し得る
照明器具を得ることを目的としている。 The present invention was developed based on the above-mentioned circumstances, and aims to provide a lighting fixture that can change the amount of hanging from the tunnel ceiling when transporting goods.

[Summary of the idea]

本考案においては、洞道天井に固定される取付
台と、この取付台両端にそれぞれ一端を枢着され
たアームと、これらのアームの他端に各端部をそ
れぞれ枢着された板ばねと、この板ばねの中央に
その上面のほぼ中央部を枢着した器具シヤーシと
により照明器具を構成して前記目的を達成してい
る。 The present invention includes a mounting base fixed to the cave ceiling, an arm having one end pivotally connected to each end of the mounting base, and a leaf spring having each end pivotally connected to the other end of these arms. The above-mentioned object is achieved by constructing a lighting device with a device chassis having a substantially central portion of its upper surface pivotally connected to the center of the leaf spring.

[Example of idea]

第１図において、円形洞道の天井１に取付けた
取付台２の洞道長手方向端部には、洞道横断方向
の軸を中心として可回動にアーム３がそれぞれ取
付けてある。 In FIG. 1, arms 3 are attached to the longitudinal ends of a mounting base 2 attached to the ceiling 1 of a circular tunnel so as to be rotatable about an axis in the cross-direction direction of the tunnel.

一方、器具シヤーシ４上面には、そのほぼ中央
に板ばね５の中央が枢着されており、板ばね５の
各端部にはアーム３の端末が洞道横断方向の軸に
より枢着されている。 On the other hand, the center of a leaf spring 5 is pivotally attached to the upper surface of the instrument chassis 4 at approximately the center thereof, and the terminal end of the arm 3 is pivotally attached to each end of the leaf spring 5 by a shaft extending in the transverse direction of the sinus canal. There is.

また、器具シヤーシ４上面両端にはスペーサ６
がそれぞれ突出されている。 In addition, spacers 6 are provided at both ends of the upper surface of the instrument chassis 4.
are each highlighted.

第１図に示すように、器具の長手方向を洞道長
手方向と一致させておけば、シヤーシ４はアーム
３に吊下げられた状態であり、照明器具の天井か
らの垂下量は最小となり、物品運搬の支障となる
ことはない。 As shown in FIG. 1, if the longitudinal direction of the fixture is made to match the longitudinal direction of the tunnel, the chassis 4 will be suspended from the arm 3, and the amount of hanging of the lighting fixture from the ceiling will be minimized. There will be no hindrance to the transportation of goods.

第２図に示すように、器具シヤーシ４を手で引
下げ板ばね５を湾曲させ、器具シヤーシ４を90゜
回動させて、手を放せば板ばね５の復元力により
器具シヤーシ４は上昇し、第３図Ａに示すように
スペーサ６が洞道天井１の両側に圧接された位置
で停止する。 As shown in FIG. 2, when the instrument chassis 4 is pulled down by hand, the leaf spring 5 is bent, the instrument chassis 4 is rotated 90 degrees, and when the hand is released, the instrument chassis 4 rises due to the restoring force of the leaf spring 5. As shown in FIG. 3A, the spacer 6 stops at a position where it is pressed against both sides of the tunnel ceiling 1.

この時、スペーサ６は、円形洞道の天井の両側
の低い部分に当接されているので、器具シヤーシ
４、従つて照明器具の天井からの垂下量は第１図
の場合より大きくなる。 At this time, since the spacer 6 is in contact with the low parts on both sides of the ceiling of the circular tunnel, the amount of hanging of the fixture chassis 4, and thus the lighting fixture, from the ceiling is greater than in the case of FIG.

すなわち、本考案の照明器具は、平常時は第３
図Ａの状態で天井からの垂下量を大（高さ小）と
して、照明野で十分な明るさが得られるように
し、物品運搬時等には第１図の状態とし天井から
の垂下量を小（高さ大）として、運搬の支障とな
らないようにすることができる。 In other words, the lighting equipment of the present invention is
In the state shown in Figure A, set the amount of hanging from the ceiling large (small height) to obtain sufficient brightness in the illumination field, and when transporting goods etc., set the amount of hanging from the ceiling as shown in Figure 1. It can be made small (large in height) so that it does not become a hindrance to transportation.

〔考案の効果〕上記から明らかなように、本考案の照明器具は
簡単な操作で天井からの垂下量、すなわち設置高
さを二様に変更し得るので、洞道内で物品を運搬
する場合に支障とならないだけでなく、平常時に
十分な照度を得ることができる。[Effects of the invention] As is clear from the above, the amount of hanging from the ceiling, that is, the installation height, of the lighting equipment of the invention can be changed in two ways with a simple operation. Not only does it not cause any hindrance, but it also provides sufficient illuminance during normal times.

[Brief explanation of the drawing]

第１図は本考案一実施例の正面図、第２図は前
記実施例の異る状態における正面図、第３図Ａは
前記実施例の第１図の状態の側面図、第３図Ｂは
第１図の状態から90゜回動した時の正面図である。１……洞道天井、２……取付台、３……アー
ム、４……器具シヤーシ、５……板ばね、６……
スペーサ。 Figure 1 is a front view of one embodiment of the present invention, Figure 2 is a front view of the embodiment in a different state, Figure 3A is a side view of the embodiment in the state shown in Figure 1, and Figure 3B. is a front view when rotated by 90 degrees from the state shown in FIG. 1. 1... Cave ceiling, 2... Mounting stand, 3... Arm, 4... Instrument chassis, 5... Leaf spring, 6...
Spacer.

Claims

[Scope of utility model registration request]

A mounting base to be attached to the ceiling of the tunnel; an arm having one end pivoted to the longitudinal end of the mounting base by a shaft in the transverse direction of the tunnel; 1. A lighting device comprising: a leaf spring attached to the plate spring; and an instrument chassis having an upper surface pivotally connected to the leaf spring by an axis perpendicular to the axis.