JP2731084B2 - lighting equipment - Google Patents
lighting equipmentInfo
- Publication number
- JP2731084B2 JP2731084B2 JP18404292A JP18404292A JP2731084B2 JP 2731084 B2 JP2731084 B2 JP 2731084B2 JP 18404292 A JP18404292 A JP 18404292A JP 18404292 A JP18404292 A JP 18404292A JP 2731084 B2 JP2731084 B2 JP 2731084B2
- Authority
- JP
- Japan
- Prior art keywords
- end plate
- plate
- joining
- side wall
- reflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】本発明は、反射板とこの両端を閉
鎖して設けられる端板とから形成される下面開口の反射
体を備えて天井等に取付けて使用される照明器具に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting apparatus which is used by being mounted on a ceiling or the like with a reflector having a lower opening formed by a reflector and an end plate having both ends closed.
【０００２】[0002]
【従来の技術】反射板とこの両端を閉鎖して設けられる
端板とから形成される下面開口の反射体において、これ
ら両者にわたる断面Ｌ字状の連結金具を用いることなく
反射板と端板とを連結でき、したがって、溶接工数およ
び材料の削減ができるようにした技術は、実公平２−８
３３８号公報で知られている。2. Description of the Related Art In a reflector having a lower opening formed by a reflector and an end plate provided with both ends closed, the reflector, the end plate and the reflector can be connected without using an L-shaped cross-section fitting. Can be connected, and therefore, the welding man-hour and material can be reduced.
No. 338 is known.
【０００３】この従来の技術では、図１２および図１３
に示されるように端板の下端に、外側に向けて水平に突
出された端板下面部１から立ち上がるＵ字状屈曲部２を
形成するとともに、この屈曲部２の先端に前記端板下面
部１よりも反射板の板厚に等しい寸法だけ上側に位置さ
れる接合舌片３を形成している。そして、反射板の側壁
下端に外側に向けて水平に突出された側壁下面部４の端
面を、前記端板の端部に突き当たるように配置すること
により、側壁下面部４の端部上面に前記接合舌片３を重
ねて、この重なった部分を溶接止めして反射板と端板と
の連結を行っている。図１２中符号７は溶接跡を示して
いる。In this conventional technique, FIGS.
At the lower end of the end plate, a U-shaped bent portion 2 which rises from an end plate lower surface portion 1 protruded horizontally outward is formed at the lower end of the end plate. A joining tongue piece 3 is formed on the upper side by a dimension equal to the thickness of the reflection plate. Then, by arranging the end surface of the side wall lower surface portion 4 horizontally projecting outward from the lower end of the side wall of the reflection plate so as to abut against the end portion of the end plate, the end surface of the side wall lower surface portion 4 is provided with The joining tongue pieces 3 are overlapped, and the overlapped portion is welded and stopped to connect the reflecting plate and the end plate. Reference numeral 7 in FIG. 12 indicates a welding trace.
【０００４】[0004]
【発明が解決しようとする課題】前記従来の構成では、
接合舌片３は側壁下面部４の端部上面に重なるだけであ
って、この下面部４から上向きに折れ曲がった側壁起立
部５に重なる部分を持っていないから、接合舌片３によ
る反射板と端板との枠組み強度、つまり反射体の強度が
小さいという問題がある。しかも、端板下面部１の側壁
下面部４の端面が突き当たる部分には、Ｕ字状屈曲部２
の立ち上がり基部が位置され、この基部は円弧（図１３
中Ｒ参照）をなして曲げ形成されているため、端板下面
部１と側壁下面部４との合わせ目には、図１３中Ｇで示
す隙間が不可避的に発生するとともに、それに応じて端
板下面部１から上向きに折れ曲がった端板起立部６と前
記側壁起立部５との合わせ目にも隙間が生じ易い。その
ため、反射体の外観が良くないという問題もある。In the above-mentioned conventional configuration,
Since the joining tongue 3 only overlaps the upper surface of the end of the side wall lower surface 4 and does not have a portion that overlaps the side wall standing portion 5 bent upward from the lower surface 4, the reflection plate by the joining tongue 3 and There is a problem that the frame strength with the end plate, that is, the strength of the reflector is small. In addition, a U-shaped bent portion 2 is provided at a portion where the end surface of the side wall lower surface portion 4 of the end plate lower surface portion 1 abuts.
Is located, and this base is an arc (FIG. 13).
13), a gap shown by G in FIG. 13 is inevitably generated at a joint between the lower surface portion 1 of the end plate and the lower surface portion 4 of the side wall. A gap is also likely to occur at the joint between the end plate upright portion 6 bent upward from the plate lower surface portion 1 and the side wall upright portion 5. Therefore, there is also a problem that the appearance of the reflector is not good.
【０００５】本発明の目的は、反射体と端板とからなる
反射体を備えるものにあって、この反射体の強度および
外観をいずれも向上できる照明器具を得ることにある。It is an object of the present invention to provide a lighting apparatus having a reflector comprising a reflector and an end plate, which can improve both the strength and appearance of the reflector.
【０００６】[0006]
【課題を解決するための手段】本発明は、相対向する両
側壁の下端に、外向きに突出する側壁下面部、およびこ
の下面部から略直角に連なる上向きの側壁起立部からな
る第１下縁フランジが夫々折り曲げられた反射板と、こ
の反射板の端部を閉鎖して夫々設けられる閉鎖壁部の下
端に、外向きに突出されて前記側壁下面部に連続する端
板下面部、およびこの下面部の両端に略直角に連なって
前記側壁起立部に連続する上向きの第１端板起立部、並
びに前記端板下面部に略直角に連なって前記第１端板起
立部間にわたる第２端板起立部からなる第２下縁フラン
ジが折り曲げられた端板とを有した下面開口の反射体を
備える照明器具に適用される。SUMMARY OF THE INVENTION The present invention is directed to a first lower portion comprising a lower surface of a side wall which protrudes outward, and an upper wall standing portion which extends upward at a substantially right angle from the lower surface at the lower ends of both side walls facing each other. A reflecting plate whose edge flanges are respectively bent, and a lower end portion of an end plate that protrudes outward and is continuous with the lower surface portion of the side wall, at a lower end of a closing wall portion that is provided by closing an end portion of the reflecting plate, and An upward first end plate erecting portion that is connected to the side wall erecting portion at substantially right angles to both ends of the lower surface portion, and a second extending between the first end plate erecting portion that is connected to the end plate lower surface portion at a substantially right angle. The present invention is applied to a lighting apparatus provided with a reflector having an opening at a lower surface having a bent end plate having a second lower edge flange formed of an end plate standing portion.
【０００７】そして、前記目的を達成するために、前記
側壁起立部および前記第１端板起立部にわたる長さを有
してこれらの裏面に接合される第１接合片を、前記第１
端板起立部の上端から一体に折り曲げるとともに、前記
側壁下面部および前記端板下面部にわたる長さを有して
これらの裏面に接合される第２接合片を、前記第１接合
片の下端から一体に折り曲げて、前記第１端板起立部と
前記第１接合片との間、および前記端板下面部と前記第
２接合片との間に夫々前記第１下縁フランジの板厚に等
しい段差を形成し、前記端板下面部および第１端板起立
部の相連続する端面と前記第１下縁フランジの端面とを
突き当て、かつ、前記第１下縁フランジに前記第１，第
２接合片の少なくとも一方を溶接止めしたものである。[0007] In order to achieve the above object, a first joining piece having a length extending over the side wall upright portion and the first end plate upstanding portion and joined to the back surface thereof is formed by the first joining piece.
While being bent integrally from the upper end of the end plate upright portion, the second joint piece having a length extending over the side wall lower surface portion and the end plate lower surface portion and joined to the rear surfaces thereof is formed from the lower end of the first joint piece. Folded together to be equal to the thickness of the first lower edge flange between the first end plate upright portion and the first joint piece and between the end plate lower surface portion and the second joint piece, respectively. A step is formed, and a continuous end surface of the lower surface of the end plate and the upright portion of the first end plate abuts against an end surface of the first lower edge flange, and the first and second lower edge flanges are brought into contact with each other. At least one of the two joint pieces is welded and stopped.
【０００８】また、反射体の組立て性を向上するため
に、前記第１端板起立部と前記第１接合片とを、互いの
間に孔を設けて相対向する小断面積のブリッジ部を複数
介して一体につなげるとよい。Further, in order to improve the assemblability of the reflector, the first end plate standing portion and the first joining piece are provided with a hole between each other to form a bridge portion having a small cross-sectional area opposed to each other. It is good to be connected integrally through a plurality.
【０００９】[0009]
【作用】本発明の照明器具の構成において、端板に一体
に形成された第１接合片と第２接合片とは互いに連なっ
て断面Ｌ字状をなして折れ曲がり、横方向および縦方向
に夫々強度を有するので、これら接合片を介して端板と
反射板との連結強度を高めることができる。In the configuration of the luminaire of the present invention, the first joint piece and the second joint piece integrally formed on the end plate are connected to each other, bent in an L-shaped cross section, and respectively in the horizontal and vertical directions. Because of the strength, the connection strength between the end plate and the reflection plate can be increased through these joint pieces.
【００１０】さらに、第１接合片は、側壁起立部および
第１端板起立部にわたってこれらの裏面に接合され、両
起立部を裏側から覆って、これら起立部の合わせ目を目
立たなくするとともに、同様に第２接合片は、側壁下面
部および端板下面部にわたってこれらの裏面に接合さ
れ、両下面部を裏側から覆って、これら下面部の合わせ
目を目立たなくする。Further, the first joining piece is joined to the back surface of the upright portion of the side wall and the upright portion of the first end plate so as to cover the upright portions from the back side so as to make joints of these upstanding portions inconspicuous. Similarly, the second joint piece is joined to the rear surface of the lower surface of the side wall and the lower surface of the end plate, and covers both lower surfaces from the rear side, so that the joint of the lower surfaces is inconspicuous.
【００１１】しかも、第１，第２接合片と端板下面部お
よび第１端板起立部との間に形成される段差により、前
記第１，第２接合片が重ねられる反射板の第１下縁フラ
ンジを、端板下面部および第１端板起立部に面一に連ね
ることができるとともに、これらの連なり部分において
端面同志を突き当てるから、合わせ目に隙間や段差がで
きることが防止される。In addition, a step formed between the first and second joint pieces, the lower surface of the end plate, and the first end plate upright portion causes the first and second joint pieces to overlap with each other. The lower edge flange can be connected to the lower surface of the end plate and the upright portion of the first end plate, and the end faces abut against each other at these connected portions, thereby preventing a gap or a step from being formed at a joint. .
【００１２】また、第１端板起立部の第１接合片が複数
のブリッジ部を介してつなげられている構成では、互い
の間に孔を設けて相対向するブリッジ部の断面積が小さ
いので、第１端板起立部に対して第１接合片を容易に手
で折り曲げることができる。そのために、反射板の第１
下縁フランジと端板の第２下縁フランジとをその端面同
志を突き合わせた状態で、第１接合片を手で折り曲げ
て、これと第２接合片とを前記両フランジの裏面に接合
させることができるので、両接合片を第１下縁フランジ
に正確に位置合わせしてその裏側に差し込む面倒がな
く、端板と反射板とを仮組できる。In the configuration in which the first joining pieces of the first end plate standing portion are connected via a plurality of bridge portions, holes are provided between the first end plate rising portions and the cross-sectional areas of the opposed bridge portions are small. The first joining piece can be easily bent by hand with respect to the first end plate standing portion. Therefore, the first of the reflectors
In a state where the lower edge flange and the second lower edge flange of the end plate abut against each other, the first joining piece is bent by hand, and this and the second joining piece are joined to the back surfaces of the two flanges. Therefore, there is no trouble in accurately aligning the two joining pieces with the first lower edge flange and inserting the joining piece into the back side, and the end plate and the reflecting plate can be temporarily assembled.
【００１３】[0013]
【実施例】以下、図１〜図７を参照して本発明の第１実
施例を説明する。天井に取付けて使用される直管形けい
光灯照明器具全体を示す図７中符号１１は下面が開口さ
れた反射体であって、これは内面が反射面となっている
反射板１２と、この長手方向両端にその端面開口を閉鎖
して連結されると共に内面が反射面となっている端板１
３とから形成されている。反射体１１の長手方向両端部
には夫々ランプソケット１４が取付けられ、前記長手方
向に対向するランプソケット１４間には直管形けい光ラ
ンプ１５が夫々着脱可能に取付けられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. Reference numeral 11 in FIG. 7 showing the entire straight tube type fluorescent lamp lighting fixture used by being attached to the ceiling is a reflector having an open lower surface, which is a reflector 12 having an inner reflective surface, An end plate 1 which is connected to both ends in the longitudinal direction by closing its end face opening and has an inner surface as a reflecting surface.
3 is formed. Lamp sockets 14 are attached to both ends of the reflector 11 in the longitudinal direction, and straight tube fluorescent lamps 15 are detachably attached between the lamp sockets 14 facing each other in the longitudinal direction.
【００１４】反射板１２は板金を折り曲げ成形してなる
ものである。すなわち、図１に示されるように反射板１
２は、端面方向から見たときにハ字状に配置されて相対
向する両側壁１６の上端を例えば平坦な天井壁１７で一
体につないで形成されている。両側壁１６の下端には夫
々第１下縁フランジ１８が折曲げられている。The reflection plate 12 is formed by bending a sheet metal. That is, as shown in FIG.
2 is formed by connecting the upper ends of the opposite side walls 16 which are arranged in a C-shape when viewed from the end face direction and are integrally connected by, for example, a flat ceiling wall 17. First lower edge flanges 18 are respectively bent at the lower ends of the side walls 16.
【００１５】反射板１２の長手方向全長にわたって設け
られる第１下縁フランジ１８は、側壁１６の下端から折
曲げられて外向きに突出する水平な側壁下面部１９と、
この下面部１９の先端から略直角に連なって折曲げられ
た上向きの側壁起立部２０とで断面Ｌ字状をなして形成
されている。The first lower edge flange 18 provided over the entire length in the longitudinal direction of the reflection plate 12 has a horizontal side wall lower surface portion 19 which is bent from the lower end of the side wall 16 and projects outward.
The lower wall 19 is formed in an L-shaped cross section with an upwardly-facing side wall standing portion 20 which is bent at a substantially right angle from the tip of the lower surface portion 19.
【００１６】左右一対の端板１３は夫々反射板１２と同
じ厚みの板金を折り曲げ成形してなるものである。すな
わち、図１および図３〜図５に夫々示されるように端板
１３は、反射板１２の端部開口を閉鎖して設けられる閉
鎖壁部２１の下端に第２下縁フランジ２２を設けてい
る。閉鎖壁部２１は、その周縁に設けた連結縁２１ａを
反射板１２の端部に重ねて、その重なった部分をスポッ
ト溶接で連結することによって、反射板１２に固定され
ている。The pair of left and right end plates 13 are each formed by bending a sheet metal having the same thickness as the reflection plate 12. That is, as shown in FIG. 1 and FIGS. 3 to 5, the end plate 13 is provided with a second lower edge flange 22 at a lower end of a closing wall 21 provided by closing an end opening of the reflection plate 12. I have. The closing wall portion 21 is fixed to the reflecting plate 12 by overlapping a connecting edge 21a provided on the peripheral edge thereof with an end of the reflecting plate 12 and connecting the overlapped portion by spot welding.
【００１７】第２下縁フランジ２２は、端板下面部２３
と、前後一対の第１端板起立部２４と、第２端板起立部
２５と、第１接合片２６と、第２接合片２７とを有して
形成されている。詳しくは、端板下面部２３は閉鎖壁部
２１の下端から水平に折曲げられて外向きに突出して設
けられている。この端板下面部２３は閉鎖壁部２１の前
後方向の幅よりも長く、その両端は閉鎖壁部２１の前後
両側に突出されている。第１端板起立部２４は端板下面
部２３の前後両端に略直角に連なって上向きに折曲げら
れている。第２端板起立部２５は、端板下面部２３から
略直角に上向きに折曲げられて一対の第１端板起立部２
４間にわたって設けられている。The second lower edge flange 22 has an end plate lower surface portion 23.
And a pair of front and rear first end plate standing portions 24, second end plate standing portions 25, first joining pieces 26, and second joining pieces 27. Specifically, the end plate lower surface portion 23 is provided so as to be bent horizontally from the lower end of the closing wall portion 21 and protrude outward. The end plate lower surface 23 is longer than the width of the closing wall 21 in the front-rear direction, and both ends protrude from the front and rear sides of the closing wall 21. The first end plate upright portion 24 is bent upward at a substantially right angle at both front and rear ends of the end plate lower surface portion 23. The second end plate upright portion 25 is bent upward at substantially right angles from the end plate lower surface portion 23 to form a pair of first end plate upright portions 2.
Four spaces are provided.
【００１８】第１接合片２６は、第１端板起立部２４の
上端から一体に折曲げられ、この起立部２４の裏面に接
合されている。この第１接合片２６は端板下面部２３お
よび第１端板起立部２４よりも反射板１２の長手方向に
長く延びて形成され、その略半分が第１端板起立部２４
から反射板１２方向に突出されている。また、第２接合
片２７は第１接合片２６の下端から一体に直角に折曲げ
られて、端板下面部２３の裏面（上面）に接合されてい
る。この第２接合片２７も端板下面部２３および第１端
板起立部２４よりも反射板１２の長手方向に長く延びて
形成され、その略半分が端板下面部２３から反射板１２
方向に突出されている。The first joining piece 26 is integrally bent from the upper end of the first end plate upright portion 24 and is joined to the back surface of the upright portion 24. The first joining piece 26 is formed to extend in the longitudinal direction of the reflecting plate 12 longer than the end plate lower surface portion 23 and the first end plate rising portion 24, and substantially half of the first joining piece 26 is the first end plate rising portion 24.
From the reflector 12 in the direction of the reflector 12. Further, the second joint piece 27 is integrally bent at a right angle from the lower end of the first joint piece 26 and joined to the back surface (upper surface) of the end plate lower surface portion 23. The second joining piece 27 is also formed to extend longer in the longitudinal direction of the reflector 12 than the end plate lower surface portion 23 and the first end plate upright portion 24, and substantially half of the second joint piece 27 extends from the end plate lower surface portion 23 to the reflector 12
It is projected in the direction.
【００１９】第１，第２接合片２６，２７は以上のよう
に断面Ｌ字状をなして連続されるものであり、また、既
述のように反射板１２と端板１３の板厚が同じであるか
ら、第１端板起立部２４とこれに重ねられた第１接合片
２６の突出部との間、および端板下面部２３とこれに重
ねられた第２接合片２７の突出部との間には、夫々第１
下縁フランジ１８の板厚に等しい段差２８（図３，図４
参照）が形成されている。The first and second joining pieces 26 and 27 are continuous with an L-shaped cross section as described above, and the thickness of the reflecting plate 12 and the end plate 13 is set as described above. Since they are the same, between the first end plate upright portion 24 and the protruding portion of the first joining piece 26 superposed thereon, and the end plate lower surface portion 23 and the protruding portion of the second joining piece 27 superposed thereon. Between the first
A step 28 equal to the thickness of the lower edge flange 18 (see FIGS. 3 and 4)
Reference) is formed.
【００２０】前記構成の端板１３は、図６に示されるよ
うな形状に打ち抜かれた板金を、図６中点線で示す折曲
げ線を境に折曲げ加工することにより形成される。すな
わち、まず、折曲げ線３１を境に連結縁２１ａを折り曲
げた後に、折り曲げ線３２，３３を境に端板下面部２３
に対して閉鎖壁部２１および第２端板起立部２５を夫々
直角に折り曲げて互いに平行にする。このようにして折
り曲げられた状態の一部は図８（Ａ）に示されている。The end plate 13 having the above structure is formed by bending a sheet metal punched into a shape as shown in FIG. 6 at a boundary indicated by a dotted line in FIG. That is, first, after the connecting edge 21a is bent at the bending line 31 as a boundary, the end plate lower surface portion 23 is bent at the bending lines 32 and 33.
In contrast, the closing wall portion 21 and the second end plate rising portion 25 are bent at right angles to be parallel to each other. FIG. 8A shows a part of the folded state.
【００２１】次に、ヘミング成形（縁曲げ成形）により
第１端板起立部２４および第１，第２接合片２６，２７
の折り曲げを行う。つまり、図６に示す折り曲げ線３４
を境に、これより端側を折り返して端板下面部２３の上
面に重ねる。この状態は図８（Ｂ）に示される。その
後、前記折り曲げにより上下に一致された図６に示す折
り曲げ線３５，３６を境に、前記重なり部分の折り返し
側を直角に折り曲げる。Next, the first end plate upright portion 24 and the first and second joining pieces 26 and 27 are formed by hemming (edge bending).
Bend. That is, the bending line 34 shown in FIG.
Then, the end side is folded back and overlapped on the upper surface of the end plate lower surface portion 23. This state is shown in FIG. After that, the folded side of the overlapping portion is bent at a right angle, with the folding lines 35 and 36 shown in FIG.
【００２２】そうすることにより図８（Ｃ）に示される
ように第１端板起立部２４が形成されると同時に、この
裏面に密接して係合された第１接合片２６、およびこれ
に直角に連なって端板下面部２３の裏面に密接された第
２接合片２７が夫々形成される。以上の曲げ成形により
端板１３が形成される。As a result, as shown in FIG. 8C, the first end plate upright portion 24 is formed, and at the same time, the first joining piece 26 closely engaged with the back surface and the first joining piece 26 The second joining pieces 27 are formed so as to extend at right angles and closely contact the back surface of the end plate lower surface portion 23. The end plate 13 is formed by the above bending.
【００２３】前記端板１３は反射板１２の端部に次のよ
うにして連結される。まず、端板１３を反射板１２に対
して図１中矢印方向から組込んで、その第１，第２接合
片２６，２７の突出部を反射板１２の第１下縁フランジ
１８の裏側に挿入させるとともに、連結縁２１ａを反射
板１２の側壁１６外面に重ねることによって、反射板１
２と端板１３とからなる反射体１１を仮組する。The end plate 13 is connected to the end of the reflection plate 12 as follows. First, the end plate 13 is assembled to the reflector 12 from the direction of the arrow in FIG. 1, and the protruding portions of the first and second joining pieces 26 and 27 are provided on the back side of the first lower edge flange 18 of the reflector 12. By inserting the connecting edge 21 a on the outer surface of the side wall 16 of the reflector 12,
The reflector 11 composed of 2 and the end plate 13 is temporarily assembled.
【００２４】この仮組により、側壁起立部２０と第１端
板起立部２４との端面２０ａ，２４ａ（図１参照）同志
が突き当てられ、これらが面一に連続されるとともに、
これらの裏面にわたって第１接合片２６が配置される。
同様に、側壁下面部１９と端板下面部２３の端面１９
ａ，２３ａ同志が突き当てられ、これらが面一に連続さ
れるとともに、これらの裏面にわたって第２接合片２７
が配置される。なお、各端面１９ａ，２０ａ，２３ａ，
２４ａは、いずれも反射板１２および端板１３を材料取
りした際にプレスにより切断された切放し端面である。With this temporary assembly, the end faces 20a, 24a (see FIG. 1) of the side wall upright portion 20 and the first end plate upright portion 24 abut against each other, and they are continuously flush.
The first joining piece 26 is arranged over these back surfaces.
Similarly, the end surface 19 of the side wall lower surface portion 19 and the end plate lower surface portion 23
a and 23a are abutted against each other and are flush with each other.
Is arranged. In addition, each end surface 19a, 20a, 23a,
Reference numeral 24a denotes a cut-off end face cut by a press when the reflecting plate 12 and the end plate 13 are taken out of material.
【００２５】最後に、第１接合片２６とこれが接した側
壁起立部２０とをスポット溶接するとともに、第２接合
片２７とこれが接した側壁下面部１９とをスポット溶接
し、さらに、連結縁２１ａと反射板１２の側壁１６とを
スポット溶接する。この溶接により反射板１２と端板１
３とが連結されて、反射体１１が組み立てられる。な
お、図２中Ａはスポット溶接の溶接跡を示している。Finally, the first joint piece 26 is spot-welded to the side wall standing portion 20 in contact therewith, and the second joint piece 27 is spot-welded to the side wall lower surface portion 19 in contact therewith. And the side wall 16 of the reflector 12 by spot welding. By this welding, the reflection plate 12 and the end plate 1
3 and the reflector 11 is assembled. In addition, A in FIG. 2 has shown the welding mark of spot welding.
【００２６】前記のようにして得られた照明器具の反射
体１１によれば、端板１３に一体に形成された第１接合
片２６と第２接合片２７とは互いに連なって断面Ｌ字状
をなして折れ曲がった構成であるので、横方向および縦
方向に夫々強度を有する。しかも、次に述べるように第
１，第２下縁フランジ１８，２２の端面２０ａ，２４ａ
同志、および端面１９ａ，２３ａ同志が夫々突き当って
いるので、第１，第２接合片２６，２７を介して連結さ
れた端板１３と反射板１２との組立て強度、つまり反射
体１１の強度を高めることができる。According to the reflector 11 of the lighting fixture obtained as described above, the first joint piece 26 and the second joint piece 27 formed integrally with the end plate 13 are connected to each other and have an L-shaped cross section. Therefore, it has strength in both the horizontal and vertical directions. In addition, as described below, the end faces 20a, 24a of the first and second lower edge flanges 18, 22 will be described.
Since the comrades and the end faces 19a and 23a abut against each other, the assembling strength of the end plate 13 and the reflector 12 connected via the first and second joining pieces 26 and 27, that is, the strength of the reflector 11 Can be increased.
【００２７】そして、第１接合片２６が側壁起立部２０
および第１端板起立部２４にわたってこれらの裏面に接
合され、両起立部２０，２４を裏側から覆っているか
ら、これら起立部２０，２４の合わせ目を目立たなくす
ることができる。さらに、第２接合片２７が側壁下面部
１９および端板下面部２３にわたってこれらの裏面に接
合され、両下面部１９，２３を裏側から覆っているか
ら、これら下面部１９，２３の合わせ目を目立たなくす
ることができる。The first joining piece 26 is attached to the side wall upright portion 20.
The first and second end plate upright portions 24 are joined to the rear surfaces thereof and cover the two upright portions 20 and 24 from the back side, so that the joints of the upright portions 20 and 24 can be made inconspicuous. Furthermore, since the second joining piece 27 is joined to the back surface of the side wall lower surface portion 19 and the end plate lower surface portion 23 and covers the lower surface portions 19 and 23 from the back side, the joint of the lower surface portions 19 and 23 is joined. It can be less noticeable.
【００２８】しかも、第１，第２接合片２６，２７と端
板下面部２３および第１端板起立部２４との間に形成さ
れる段差２８により、反射板１２の第１下縁フランジ１
８を端板下面部２３および第１端板起立部２４に面一に
連ねることができるとともに、これらの連なり部分で端
面２０ａ，２４ａ同志、および端面１９ａ，２３ａ同志
を突き当てることができるから、反射板１２と端板１３
との第１，第２下縁フランジ１８，２２相互間の合わせ
目に段部や隙間ができることが防止される。Further, the first lower edge flange 1 of the reflection plate 12 is formed by a step 28 formed between the first and second joining pieces 26 and 27 and the end plate lower surface portion 23 and the first end plate upright portion 24.
8 can be connected to the end plate lower surface portion 23 and the first end plate upright portion 24 at the same time, and the end surfaces 20a and 24a and the end surfaces 19a and 23a can be abutted at these connected portions. Reflector 12 and end plate 13
Steps and gaps are prevented from being formed at the joint between the first and second lower edge flanges 18 and 22.
【００２９】したがって、前記構成の反射体１１の外観
を向上でき、ひいては照明器具全体の外観を向上できる
ものである。Therefore, the appearance of the reflector 11 having the above configuration can be improved, and the appearance of the entire lighting fixture can be improved.
【００３０】図９〜図１１は本発明の第２実施例を示し
ている。この実施例では、第１端板起立部２４とこの上
端から折り曲げて設けられる第１接合片２６とを、互い
の間に細長い孔２９を設けて相対向する小断面積のブリ
ッジ部３０を複数介して一体につなげられている。それ
により、第１接合片２６を手で簡単に折り曲げて第１端
板起立部２４の裏面に接合させることができ、それに伴
って第２接合片２７を端板下面部２３の裏面に接合でき
るようにしてある。FIGS. 9 to 11 show a second embodiment of the present invention. In this embodiment, the first end plate upright portion 24 and the first joining piece 26 provided by bending from the upper end thereof are provided with a plurality of bridge portions 30 having a small cross-sectional area opposed to each other by providing an elongated hole 29 therebetween. Connected together. Thereby, the first joining piece 26 can be easily bent by hand and joined to the back surface of the first end plate standing portion 24, and accordingly, the second joining piece 27 can be joined to the back surface of the end plate lower surface portion 23. It is like that.
【００３１】また、この第２実施例において第１端板起
立部２４および両接合片２６，２７はヘミング成形され
るものではなく、図９に示す状態にプレス加工により折
り曲げられており、反射体１１の組立てに際して手作業
により第１接合片２６が最終的に折り曲げられるように
なっている。Further, in the second embodiment, the first end plate upright portion 24 and the two joining pieces 26 and 27 are not formed by hemming, but are bent by pressing to the state shown in FIG. At the time of assembling the first eleventh, the first joint piece 26 is finally bent manually.
【００３２】そして、以上説明した点以外の構成は、前
記第１実施例と同じであるので、同一構成部分には前記
第１実施例と同じ符号を付して、その説明を省略する。
この第２実施例においても前記第１実施例と同様の作用
により、本発明の所期の目的を達成できるものであり、
その説明についても省略する。Since the configuration other than the points described above is the same as that of the first embodiment, the same components are denoted by the same reference numerals as those of the first embodiment, and description thereof will be omitted.
Also in the second embodiment, the intended purpose of the present invention can be achieved by the same operation as the first embodiment.
The description is also omitted.
【００３３】この第２実施例では、互いの間に孔２９を
設けて相対向するブリッジ部３０はその断面積が小さい
ので、第１接合片２６を第１端板起立部２４に対して容
易に手で折り曲げ、この起立部２４の裏面に重ねること
ができる。そのために、反射板１２の第１下縁フランジ
１８と端板１３の第２下縁フランジ２２とをその端面同
志を突き合わせた状態で、第１接合片２６を手で折り曲
げて、これと第２接合片２７とを前記両フランジ１８，
２２の裏面に接合させることができる。したがって、両
接合片２６，２７を正確に位置合わせしながら第１下縁
フランジ１８の裏側に差し込む面倒がなく、端板１３と
反射板１２とを仮組できるので、反射体１１の組立て性
を向上できる。In the second embodiment, since the bridge portions 30 facing each other with the holes 29 provided therebetween have a small cross-sectional area, the first joining pieces 26 can be easily moved with respect to the first end plate standing portions 24. Can be folded by hand to overlap the rear surface of the upright portion 24. For this purpose, the first joint piece 26 is manually bent in a state where the first lower edge flange 18 of the reflection plate 12 and the second lower edge flange 22 of the end plate 13 abut against each other, and the second joint edge 26 is bent by hand. The joining piece 27 is connected to the two flanges 18,
22 can be bonded to the back surface. Therefore, it is possible to temporarily assemble the end plate 13 and the reflecting plate 12 without troublesome insertion of the joining pieces 26 and 27 to the back side of the first lower edge flange 18 while accurately aligning the joining pieces 26 and 27. Can be improved.
【００３４】[0034]
【発明の効果】以上詳記したように請求項１の発明にお
いては、端板に一体に折り曲げて設けた第１接合片およ
び第２接合片により、反射板の第１下縁フランジと端板
の第２下縁フランジとの突き合わせ部分をその裏側から
覆って、両フランジの合わせ面を目立たなくできるとと
もに、両フランジがその端面同志で突き当てられて両フ
ランジを面一に連ねることができるから、反射板と端板
とを連結してなる反射体、ひいては器具全体の外観を向
上でき、さらに、前記第１，第２接合片は互いに連なっ
て断面Ｌ字形に折れ曲がっているので、これら接合片に
より前記反射体の強度を向上できる。As described above in detail, according to the first aspect of the present invention, the first lower end flange of the reflection plate and the end plate are formed by the first and second connection pieces which are integrally bent and provided on the end plate. Because the butted portion of the second lower edge flange can be covered from the back side, the mating surface of the two flanges can be made inconspicuous, and the two flanges can be abutted by their end faces to connect the two flanges flush. The reflector formed by connecting the reflecting plate and the end plate, and thus the appearance of the entire device can be improved. Further, the first and second joining pieces are connected to each other and bent into an L-shaped cross section, so that these joining pieces are Thereby, the strength of the reflector can be improved.
【００３５】また、請求項２の発明においては、第１接
合片を手で容易に折り曲げてこれと第２接合片とを、第
１下縁フランジと第２下縁フランジとの裏面に接合させ
ることができるので、端板と反射板との仮組に際して両
接合片を第１下縁フランジの裏側に差し込む面倒がな
く、したがって、反射体の組立て性を向上できる。According to the second aspect of the present invention, the first joint piece is easily bent by hand and the second joint piece is joined to the back surface of the first lower edge flange and the second lower edge flange. Therefore, there is no trouble in inserting the two joining pieces into the back side of the first lower edge flange when temporarily assembling the end plate and the reflecting plate, so that the assemblability of the reflector can be improved.
【図１】本発明の第１実施例に係る直管形けい光灯照明
器具の反射体を分解して示す斜視図。FIG. 1 is an exploded perspective view showing a reflector of a straight tube-type fluorescent lamp lighting apparatus according to a first embodiment of the present invention.
【図２】同第１実施例に係る反射体の反射板と端板との
連結部回りを示す斜視図。FIG. 2 is a perspective view showing around a connecting portion between a reflector and an end plate of the reflector according to the first embodiment.
【図３】同第１実施例に係る端板の一端側部分を示す平
面図。FIG. 3 is a plan view showing one end portion of the end plate according to the first embodiment.
【図４】図３に示された端板の一端側部分を図３中矢印
Ｚ方向から見て示す側面図。FIG. 4 is a side view showing one end portion of the end plate shown in FIG. 3 when viewed from an arrow Z direction in FIG. 3;
【図５】図３に示された端板の一端側部分を図３中矢印
Ｙ方向から見て示す正面図。FIG. 5 is a front view showing one end portion of the end plate shown in FIG. 3 as viewed from the direction of arrow Y in FIG. 3;
【図６】同第１実施例に係る端板の展開図。FIG. 6 is a development view of the end plate according to the first embodiment.
【図７】同第１実施例に係る直管形けい光灯照明器具全
体を示す斜視図。FIG. 7 is a perspective view showing the entire straight tube type fluorescent lamp lighting apparatus according to the first embodiment.
【図８】（Ａ）（Ｂ）（Ｃ）は第１，第２接合片を形成
する折り曲げ加工を工程順に示す図。FIGS. 8A, 8B, and 8C are diagrams showing a bending process for forming first and second joining pieces in a process order.
【図９】本発明の第２実施例に係る照明器具の反射体の
一部分を分解して示す斜視図。FIG. 9 is an exploded perspective view showing a part of a reflector of a lighting apparatus according to a second embodiment of the present invention.
【図１０】同第２実施例に係る反射板と端板との連結部
分を示す斜視図。FIG. 10 is a perspective view showing a connection portion between a reflector and an end plate according to the second embodiment.
【図１１】図１０に示された連結部分を図１０中矢印Ｘ
方向から見て示す平面図。FIG. 11 shows a connecting portion shown in FIG.
The top view shown seen from a direction.
【図１２】従来の反射体の反射板と端板との連結部分を
示す斜視図。FIG. 12 is a perspective view showing a connecting portion between a reflector and an end plate of a conventional reflector.
【図１３】図１２に示された連結部分を図１２中Ｗ−Ｗ
線に沿って示す断面図。FIG. 13 shows a connecting portion shown in FIG.
Sectional drawing shown along a line.
１１…反射体、１２…反射板、１３…端板、１６…側
壁、１８…第１下縁フランジ、１９…側壁下面部、２０
…側壁起立部、２１…閉鎖壁部、２２…第２下縁フラン
ジ、２３…端板下面部、２４…第１端板起立部、１９
ａ，２０ａ，２３ａ，２４ａ…端面、２５…第２端板起
立部、２６…第１接合片、２７…第２接合片、２８…段
差、２９…孔、３０…ブリッジ部。DESCRIPTION OF SYMBOLS 11 ... Reflector, 12 ... Reflector, 13 ... End plate, 16 ... Side wall, 18 ... First lower edge flange, 19 ... Side wall lower surface part, 20
... Side wall upright portion, 21 ... Closed wall portion, 22 ... Second lower edge flange, 23 ... End plate lower surface portion, 24 ... First end plate upright portion, 19
a, 20a, 23a, 24a: end face, 25: second end plate standing portion, 26: first joining piece, 27: second joining piece, 28: step, 29: hole, 30: bridge portion.
Claims (2)
出する側壁下面部、およびこの下面部から略直角に連な
る上向きの側壁起立部からなる第１下縁フランジが夫々
折り曲げられた反射板と、この反射板の端部を閉鎖して
夫々設けられる閉鎖壁部の下端に、外向きに突出されて
前記側壁下面部に連続する端板下面部、およびこの下面
部の両端に略直角に連なって前記側壁起立部に連続する
上向きの第１端板起立部、並びに前記端板下面部に略直
角に連なって前記第１端板起立部間にわたる第２端板起
立部からなる第２下縁フランジが折り曲げられた端板と
を有した下面開口の反射体を備える照明器具において、 前記側壁起立部および前記第１端板起立部にわたる長さ
を有してこれらの裏面に接合される第１接合片を、前記
第１端板起立部の上端から一体に折り曲げるとともに、
前記側壁下面部および前記端板下面部にわたる長さを有
してこれらの裏面に接合される第２接合片を、前記第１
接合片の下端から一体に折り曲げて、前記第１端板起立
部と前記第１接合片との間、および前記端板下面部と前
記第２接合片との間に夫々前記第１下縁フランジの板厚
に等しい段差を形成し、前記端板下面部および第１端板
起立部の相連続する端面と前記第１下縁フランジの端面
とを突き当て、かつ、前記第１下縁フランジに前記第
１，第２接合片の少なくとも一方を溶接止めしたことを
特徴とする照明器具。1. A reflection plate in which first lower edge flanges each comprising a lower surface of a side wall protruding outward and an upper wall standing portion extending upward at a substantially right angle from the lower surface are formed at lower ends of opposite side walls. A plate, an end plate lower surface portion protruding outward and continuing to the side wall lower surface portion at a lower end of a closing wall portion provided by closing an end portion of the reflection plate, and substantially perpendicular to both ends of the lower surface portion. And a second end plate standing portion extending substantially perpendicularly to the lower surface of the end plate and extending between the first end plate standing portions. A lighting device comprising a reflector having an open bottom surface having an end plate having a bent lower end flange, and having a length extending over the side wall upright portion and the first end plate upright portion and joined to the back surfaces thereof. The first joining piece is connected to the first end plate upright portion. With bent in one piece from the end,
The second joining piece having a length extending over the lower surface of the side wall and the lower surface of the end plate and joined to the rear surfaces thereof is formed by the first joining member.
The first lower edge flange is bent integrally from the lower end of the joining piece, and between the first end plate standing portion and the first joining piece and between the lower surface of the end plate and the second joining piece, respectively. Forming a step equal to the thickness of the end plate, abutting the end face of the lower surface of the end plate and the end face of the first lower edge flange with the continuous end face of the first end plate upright portion, and A lighting fixture, wherein at least one of the first and second joining pieces is welded and stopped.
積のブリッジ部を複数介して前記第１端板起立部と前記
第１接合片とが一体につなげられていることを特徴とす
る請求項１記載の照明器具。2. The first end plate rising portion and the first joining piece are integrally connected via a plurality of bridge portions having small cross sections opposed to each other with holes provided therebetween. The lighting fixture according to claim 1, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18404292A JP2731084B2 (en) | 1992-07-10 | 1992-07-10 | lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18404292A JP2731084B2 (en) | 1992-07-10 | 1992-07-10 | lighting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0628909A JPH0628909A (en) | 1994-02-04 |
| JP2731084B2 true JP2731084B2 (en) | 1998-03-25 |
Family
ID=16146348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18404292A Expired - Fee Related JP2731084B2 (en) | 1992-07-10 | 1992-07-10 | lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2731084B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4663548B2 (en) | 2006-02-24 | 2011-04-06 | 株式会社小糸製作所 | Vehicle headlamp lamp unit |
-
1992
- 1992-07-10 JP JP18404292A patent/JP2731084B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628909A (en) | 1994-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |