JP3893751B2

JP3893751B2 - Lighting fixture mounting structure

Info

Publication number: JP3893751B2
Application number: JP17010798A
Authority: JP
Inventors: 達也鈴木
Original assignee: Matsushita Electric Works Ltd
Current assignee: Panasonic Electric Works Co Ltd
Priority date: 1998-06-17
Filing date: 1998-06-17
Publication date: 2007-03-14
Anticipated expiration: 2018-06-17
Also published as: JP2000011750A

Description

【０００１】
【発明の属する技術分野】
本発明は、照明器具を取付面に取り付ける取付構造に関するものである。
【０００２】
【従来の技術】
従来、建築物等の取付面に取り付けられる照明器具として、図７及び図８に示すようなものが提供されている。器具本体１は、開口を有し開口の奥にランプソケット（図示せず）が配設された灯具３０と、灯具３０に設けられるアーム４０と、アーム４０の端部に設けられるフランジ５０とを備えている。そして、取付面Ｍに固定された取付板５１に器具本体１のフランジ５０を取り付けることで照明器具を取付面Ｍに取り付けるようになっている。
【０００３】
取付板５１は金属のような剛体で略平板状に形成されるとともに２本のボルト５１ａ，５１ａが前面側に立設され、固定ねじ５１ｂによって取付面Ｍに固定される。なお、取付板５１と取付面Ｍとの間には、照明器具を屋外に設置する場合の防水を目的として、取付板５１よりも面積の大きい略平板状のゴム製パッキン５２が介在させてある。
【０００４】
フランジ５０は例えばアルミダイカストにより一面が開口する略円筒形に形成され、底面に取付板５１の２本のボルト５１ａ，５１ａが挿通される挿通孔５０ａ，５０ａが設けてある。而して、フランジ５０の開口端縁をパッキン５２の周縁近傍に当接させるようにして取付板５１の前面に被せ、取付板５１の２本のボルト５１ａ，５１ａを挿通孔５０ａ，５０ａに挿通し、挿通孔５０ａ，５０ａから突出したボルト５１ａ，５１ａの先端部に締付ナット１３，１３をそれぞれ締め付けることで器具本体１がフランジ５０において取付板５１に取り付けられる。このとき、締付ナット１３，１３を締め付けると、フランジ５０の開口端縁と取付面Ｍの間に挟まれたパッキン５２が弾性変形してフランジ５０の開口端縁と取付面Ｍの間の隙間を塞ぎ、雨水等が上記隙間から器具本体１内に侵入するのを防ぐという防水機能を発揮する。なお、本従来例においてはフランジ５０はパッキン５２に当接するのみで取付板５１には直接接触していない。
【０００５】
図９は器具本体１を取付面Ｍに取り付ける取付構造の別の例を示す側面断面図である。本従来例では、取付面Ｍと取付板５４との間に第１のパッキン５５を介在させて取付面Ｍと取付板５４との防水を行うとともに、取付面Ｍから離れる方向に湾曲させた取付板５４の周縁部５４ａにリング状に形成された第２のパッキン５６を嵌着して取付板５４とフランジ５３との間に第２のパッキン５６を介在させてフランジ５３と取付版５４との防水を行っている。第１のパッキン５５は取付面Ｍの凹凸に沿うようにスポンジゴム製であり、第２のパッキン５６はスポンジゴムよりも弾性反発力が高く、防水性の安定したソリッドゴム製である。なお、本従来例においてもフランジ５３と取付板５４を直接接触させるのではなく、両者の間に第２のパッキン５６を介在させている。
【０００６】
【発明が解決しようとする課題】
防水性確保のために使用されるゴム製のパッキン５２，５５，５６は、設計時に設定した弾性反発力を発揮できる変形寸法で押し挟まれてこそ、安定した防水性能を維持することができる。しかしながら、上記何れの従来例においても、フランジ５０，５３を取付板５１，５４に固定するために締付ナット１３を締め付けるとフランジ５０，５３がパッキン５２，５５，５６の弾性変形範囲を越えて挟みこんでしまい、パッキン５２，５５，５６の劣化を早めてしまうという問題がある。而して、パッキン５２，５５，５６が劣化して弾性反発力が低下すると、フランジ５０，５３内部への浸水や、振動による器具本体１の変位量が増えることで部材の振動疲労の問題が発生する危険がある。
【０００７】
本発明は上記事情に鑑みて為されたものであり、その目的とするところは、安定した防水性能が維持できるとともにパッキンの劣化を抑制して安定した取付品質が維持できる照明器具の取付構造を提供することにある。
【０００８】
【課題を解決するための手段】
請求項１の発明は、上記目的を達成するために、照明器具を取付面に取り付ける取付構造であって、器具本体は、取付面に固定される取付板に取り付けられるフランジと、フランジ外周に突設されてフランジが取付板に取り付けられた状態で取付板と略一定の間隔で対向する鍔片とを有し、取付板を取付面に当接させた状態で固定するとともに該取付板にフランジを直に当接させて取り付け、取付板とフランジの当接部位の隙間を塞ぐ防水用のパッキンを鍔片と取付板との間に挟んで弾性変形させて成ることを特徴とし、フランジを取付板に直に当接させて鍔片と取付板との間にパッキンを挟んで弾性変形させることにより、パッキンを設計時に設定した弾性反発力が発揮できる変形寸法で使用することが可能となり、安定した防水機能が維持できる。また、取付板を取付面に直に当接させることにより、取付面から取付板並びにフランジに至るまでが剛性体で連結されるため、従来例のように取付板と取付面との間にゴム製のパッキンを介在させた場合に生じる種種の問題、つまりパッキンの劣化による器具本体のぐらつきや浸水あるいは振動疲労による取付品質の劣化などの発生を抑えることができる。
【０００９】
請求項２の発明は、請求項１の発明において、上記パッキンに取付板と取付面との間を防水する手段を設けたことを特徴とし、パッキンに取付板と取付面との防水機能を兼ね備えることができる。
【００１０】
【発明の実施の形態】
以下、図面を参照して本発明の一実施形態を詳細に説明する。
【００１１】
図１には本実施形態の取付状態における側面断面図、図２には取り付け前の側面断面図、図３には本実施形態における照明器具の斜視図をそれぞれ示す。なお、図３に示すように本実施形態における照明器具はフランジ２を除く器具本体１、すなわち灯具３０並びにアーム４０の構造が従来例と共通であるので、共通する部分には同一の符号を付して説明を省略する。
【００１２】
金属製の取付板１０は、周縁部１０ａが背面側に折曲され段違いとした略円板状に形成され、略中央に照明器具への給電用の電源線やアース線（図示せず）が導入される導入孔１０ｂが設けられ、この導入孔１０ｂを挟んで対向する周縁部１０ａ近傍に固定ねじ１２，１２が挿通される長孔１０ｃ，１０ｃが設けてある。また、従来例で説明したように取付板１０の前面には器具本体１のフランジ２を取り付けるための２本のボルト１１，１１が立設されている。而して、図１に示すように周縁部１０ａを壁面のような取付面Ｍに当接させて固定ねじ１２，１２により取付板１０が取付面Ｍに固定される。
【００１３】
フランジ２は、例えばアルミダイカスト製であって一面が開口する略円筒形に形成され、外側の底面略中央に灯具３０を回動自在に支持するアーム４０の一端が固定されている。また、フランジ２の底面にはアーム４０を挟んで対向する位置にボルト１１，１１の先端部が挿通される挿通孔３，３が設けてあり、これらの挿通孔３，３に挿通されたボルト１１，１１に締付ナット１３，１３を締め付けることでフランジ２が取付板１０に取り付けられる。なお、フランジ２の内側底面には上記電源線やアース線を灯具３０からの負荷線等に接続するための端子台５が配設されている。
【００１４】
ところでフランジ２の開口端縁近傍の外周面には、取付板１０に取り付けたときに取付板１０の周縁部１０ａと略一定の間隔で対向する鍔片４が全周に渡って突設されており、この鍔片４にリング状に形成されたゴム製のパッキン２０が嵌着される。
【００１５】
パッキン２０は断面形状が略コ字形のリング状に形成され、図２に示すようにフランジ２の外周面に突設されている鍔片４を凹所２１に嵌入するようにしてフランジ２の外周に取着される。ここで、フランジ２に取着したときに取付板１０と対向する側の面の周縁には、図２に示すように外力が加わっていない状態で取付板１０の周縁部１０ａよりも背面側に突出するスカート部２２が略全周に渡って一体に垂設してある。
【００１６】
而して、フランジ２の鍔片４にパッキン２０を嵌着した状態でフランジ２を取付板１０に取り付けると、図１に示すように鍔片４と取付板１０の周縁部１０ａとの間にパッキン２０の一方の突片２３が押し挟まれて弾性変形し、この弾性変形したパッキン２０（突片２３）によってフランジ２と取付板１０とが当接する部位の隙間を塞いで防水が図れる。ここで本実施形態では、フランジ２の開口端縁を取付板１０の周縁部１０ａに直に当接させているため、いくら締付ナット１３を締め付けても鍔片４と周縁部１０ａとの間隔が略一定に保持される。一方、パッキン２０の突片２３の厚みが上記間隔の略一定な寸法よりも若干大きく形成してあるから、フランジ２を取付板１０に取り付けたときにフランジ２の鍔片４と取付板１０の周縁部１０ａによって突片２３が押し挟まれて弾性変形する。よって、フランジ２と取付板１０の当接部位（フランジ２の開口端縁と取付板１０の周縁部１０ａ）に生じる隙間をパッキン２０によって塞ぎ、この当接部位からフランジ２内への浸水を防いで防水を行うことができる。
【００１７】
また取付板１０にフランジ２を取り付けた状態では、パッキン２０のスカート部２２の先端部が取付面Ｍに当接して弾性変形するため、取付面Ｍと取付板１０との隙間からの浸水を防ぐことができる。
【００１８】
上述のように取付板１０にフランジ２を直に当接させ、略一定間隔に保たれたフランジ２の鍔片４と取付板１０の周縁部１０ａとの間にパッキン２０を押し挟むようにしたことにより、ゴム製のパッキン２０を設計時に設定した弾性反発力が発揮できる変形寸法で使用することができるようになり、安定した防水性能が維持できる。また、取付板１０を取付面Ｍに直に当接させることにより、取付面Ｍから取付板１０並びに器具本体１（フランジ２）に至るまでが剛性体で連結されるため、従来例のように取付板５１，５４と取付面Ｍの間にゴム製のパッキン５２，５５を介在させた場合に生じる種種の問題、つまりパッキンの劣化による器具本体１のぐらつきや浸水あるいは振動疲労による取付品質の劣化などの発生を抑えることができる。
【００１９】
さらに本実施形態では、パッキン２０にスカート部２２を設け、フランジ２を取付板１０に取り付けたときにスカート部２２の先端部を取付面Ｍに当接して弾性変形させることにより、取付版１０とフランジ２との当接部位に生じる隙間からの浸水を防ぐ防水機能をパッキン２０に兼ね備えることができる。但し、取付面Ｍの凹凸が、スカート部２２が沿えないような粗さであってスカート部２２の先端部と取付面Ｍとの間に隙間が生じてしまうような場合には、図１に示すようにスカート部２２との先端部と取付面Ｍとの当接部位に生じる隙間をシール剤２４で覆うようにすれば良い。
【００２０】
なお、照明器具は本実施形態のものに限定する主旨ではなく、例えば図４〜図６に示すような形状の灯具３１〜３３並びにアーム４１〜４３を有する種種の照明器具の取付構造に本発明の技術的思想が適用可能である。
【００２１】
【発明の効果】
請求項１の発明は、照明器具を取付面に取り付ける取付構造であって、照明器具を取付面に取り付ける取付構造であって、器具本体は、取付面に固定される取付板に取り付けられるフランジと、フランジ外周に突設されてフランジが取付板に取り付けられた状態で取付板と略一定の間隔で対向する鍔片とを有し、取付板を取付面に当接させた状態で固定するとともに該取付板にフランジを直に当接させて取り付け、取付板とフランジの当接部位の隙間を塞ぐ防水用のパッキンを鍔片と取付板との間に挟んで弾性変形させて成るので、フランジを取付板に直に当接させて鍔片と取付板との間にパッキンを挟んで弾性変形させることにより、パッキンを設計時に設定した弾性反発力が発揮できる変形寸法で使用することが可能となり、安定した防水機能が維持できるという効果がある。また、取付板を取付面に直に当接させることにより、取付面から取付板並びにフランジに至るまでが剛性体で連結されるため、従来例のように取付板と取付面との間にゴム製のパッキンを介在させた場合に生じる種種の問題、つまりパッキンの劣化による器具本体のぐらつきや浸水あるいは振動疲労による取付品質の劣化などの発生を抑えることができるという効果がある。
【００２２】
請求項２の発明は、上記パッキンに取付板と取付面との間を防水する手段を設けたので、パッキンに取付板と取付面との防水機能を兼ね備えることができるという効果がある。
【図面の簡単な説明】
【図１】実施形態の取付状態の一部省略した側面断面図である。
【図２】同上の取り付け前の状態の一部省略した側面断面図である。
【図３】同上における照明器具の斜視図である。
【図４】同上における他の照明器具の斜視図である。
【図５】同上におけるさらに他の照明器具の斜視図である。
【図６】同上におけるさらにまた他の照明器具の斜視図である。
【図７】従来例の取付状態の側面図である。
【図８】同上の取付状態の一部省略した側面断面図である。
【図９】他の従来例の取付状態の一部省略した側面断面図である。
【符号の説明】
１器具本体
２フランジ
４鍔片
１０取付板
１０ａ周縁部
２０パッキン
２１凹所
２２スカート部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an attachment structure for attaching a lighting fixture to an attachment surface.
[0002]
[Prior art]
DESCRIPTION OF RELATED ART Conventionally, what is shown in FIG.7 and FIG.8 is provided as a lighting fixture attached to attachment surfaces, such as a building. The fixture body 1 includes a lamp 30 having an opening and a lamp socket (not shown) disposed behind the opening, an arm 40 provided in the lamp 30, and a flange 50 provided at an end of the arm 40. I have. And the lighting fixture is attached to the attachment surface M by attaching the flange 50 of the appliance main body 1 to the attachment plate 51 fixed to the attachment surface M.
[0003]
The mounting plate 51 is made of a rigid body such as metal and is formed in a substantially flat plate shape, and two bolts 51a and 51a are erected on the front surface side and fixed to the mounting surface M by a fixing screw 51b. A substantially flat rubber packing 52 having a larger area than the mounting plate 51 is interposed between the mounting plate 51 and the mounting surface M for the purpose of waterproofing when the lighting fixture is installed outdoors. .
[0004]
The flange 50 is formed in a substantially cylindrical shape whose one surface is opened by, for example, aluminum die casting, and through holes 50a and 50a through which the two bolts 51a and 51a of the mounting plate 51 are inserted are provided on the bottom surface. Thus, the opening edge of the flange 50 is put on the front surface of the mounting plate 51 so as to abut the periphery of the packing 52, and the two bolts 51a and 51a of the mounting plate 51 are inserted into the insertion holes 50a and 50a. Then, the instrument body 1 is attached to the mounting plate 51 at the flange 50 by tightening the tightening nuts 13 and 13 to the tip portions of the bolts 51a and 51a protruding from the insertion holes 50a and 50a. At this time, when the tightening nuts 13 are tightened, the packing 52 sandwiched between the opening edge of the flange 50 and the mounting surface M is elastically deformed, and the gap between the opening edge of the flange 50 and the mounting surface M is elastically deformed. The waterproof function of preventing rainwater and the like from entering the instrument main body 1 through the gap is exhibited. In this conventional example, the flange 50 only contacts the packing 52 and does not directly contact the mounting plate 51.
[0005]
FIG. 9 is a side sectional view showing another example of a mounting structure for mounting the instrument body 1 to the mounting surface M. FIG. In this conventional example, the first packing 55 is interposed between the attachment surface M and the attachment plate 54 to waterproof the attachment surface M and the attachment plate 54, and the attachment is curved in a direction away from the attachment surface M. A second packing 56 formed in a ring shape is fitted to the peripheral edge 54 a of the plate 54, and the second packing 56 is interposed between the mounting plate 54 and the flange 53, so that the flange 53 and the mounting plate 54 are connected. It is waterproof. The first packing 55 is made of sponge rubber so as to follow the unevenness of the mounting surface M, and the second packing 56 is made of solid rubber having higher elastic repulsion than the sponge rubber and having a stable waterproof property. Also in this conventional example, the flange 53 and the mounting plate 54 are not brought into direct contact with each other, but a second packing 56 is interposed therebetween.
[0006]
[Problems to be solved by the invention]
The rubber packings 52, 55, and 56 used for ensuring waterproofness can maintain stable waterproof performance only when they are sandwiched with deformation dimensions that can exhibit elastic repulsion set at the time of design. However, in any of the above conventional examples, when the tightening nut 13 is tightened to fix the flanges 50 and 53 to the mounting plates 51 and 54, the flanges 50 and 53 exceed the elastic deformation range of the packings 52, 55, and 56. There is a problem in that the packing 52, 55, and 56 are quickly deteriorated. Thus, when the packings 52, 55, and 56 are deteriorated and the elastic repulsion force is reduced, there is a problem of vibration fatigue of the members due to water immersion into the flanges 50 and 53 and an increase in the displacement amount of the instrument body 1 due to vibration. There is a risk of occurring.
[0007]
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lighting fixture mounting structure capable of maintaining stable waterproof performance and maintaining stable mounting quality by suppressing deterioration of the packing. It is to provide.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is an attachment structure for attaching a lighting fixture to an attachment surface, wherein the appliance main body projects a flange attached to an attachment plate fixed to the attachment surface, and a flange outer periphery. flange mounting plate with set has been flange and a collar piece that faces the mounting plate and substantially constant interval in a state attached to the mounting plate, fixed with being in contact with the mounting plate to the mounting surface the attached directly abutted, characterized interposed therebetween be made is elastically deformed during the packing for waterproof closing the gap of the contact portion of the mounting plate and the flange and flange piece and the mounting plate, the mounting flange By directly contacting the plate and sandwiching the packing between the flange piece and the mounting plate and elastically deforming it, it becomes possible to use the packing with a deformation dimension that can exhibit the elastic repulsion set at the time of design. The waterproof function It can be. In addition, since the mounting plate is brought into direct contact with the mounting surface, a rigid body is connected from the mounting surface to the mounting plate and the flange. Therefore, as in the conventional example, a rubber is provided between the mounting plate and the mounting surface. It is possible to suppress the occurrence of various problems that occur when the made packing is interposed, that is, the wobbling of the instrument body due to the deterioration of the packing, the deterioration of the mounting quality due to water immersion or vibration fatigue, and the like.
[0009]
The invention of claim 2 is characterized in that in the invention of claim 1, the packing is provided with means for waterproofing between the mounting plate and the mounting surface, and the packing has a waterproof function of the mounting plate and the mounting surface. be able to.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
[0011]
FIG. 1 is a side cross-sectional view of the embodiment in the attached state, FIG. 2 is a side cross-sectional view before the attachment, and FIG. 3 is a perspective view of the lighting fixture in the embodiment. As shown in FIG. 3, the lighting fixture in this embodiment has the same structure as that of the conventional example, except that the fixture body 1 excluding the flange 2, that is, the lamp 30 and the arm 40, has the same reference numerals. Therefore, the description is omitted.
[0012]
The metal mounting plate 10 is formed in a substantially disc shape with a peripheral edge portion 10a bent to the back side, and a power supply line and a ground wire (not shown) for supplying power to the luminaire are provided at a substantially center. An introduction hole 10b to be introduced is provided, and elongated holes 10c and 10c through which the fixing screws 12 and 12 are inserted are provided in the vicinity of the peripheral edge portion 10a facing each other across the introduction hole 10b. In addition, as described in the conventional example, two bolts 11, 11 for attaching the flange 2 of the instrument body 1 are erected on the front surface of the mounting plate 10. Thus, as shown in FIG. 1, the mounting plate 10 is fixed to the mounting surface M by the fixing screws 12, 12 with the peripheral edge 10 a abutting against the mounting surface M such as a wall surface.
[0013]
The flange 2 is made of, for example, aluminum die casting and is formed in a substantially cylindrical shape having an opening on one surface, and one end of an arm 40 that rotatably supports the lamp 30 is fixed to a substantially center of the outer bottom surface. In addition, the bottom surface of the flange 2 is provided with insertion holes 3 and 3 through which the tip ends of the bolts 11 and 11 are inserted at positions opposed to each other with the arm 40 interposed therebetween, and the bolts inserted through these insertion holes 3 and 3. The flange 2 is attached to the mounting plate 10 by tightening the tightening nuts 13, 13 to 11, 11. A terminal block 5 for connecting the power line and the ground line to a load line from the lamp 30 is disposed on the inner bottom surface of the flange 2.
[0014]
By the way, on the outer peripheral surface in the vicinity of the opening edge of the flange 2, a flange 4 that faces the peripheral edge portion 10 a of the mounting plate 10 at a substantially constant interval when it is mounted on the mounting plate 10 protrudes over the entire circumference. The rubber packing 20 formed in a ring shape is fitted to the flange piece 4.
[0015]
The packing 20 is formed in a ring shape having a substantially U-shaped cross section, and the outer periphery of the flange 2 is inserted into the recess 21 so that the flange 4 protruding from the outer peripheral surface of the flange 2 is inserted as shown in FIG. To be attached. Here, at the periphery of the surface on the side facing the mounting plate 10 when attached to the flange 2, as shown in FIG. 2, the outer side is not applied to the peripheral portion 10a of the mounting plate 10 on the back side. The protruding skirt portion 22 is integrally suspended over substantially the entire circumference.
[0016]
Thus, when the flange 2 is attached to the attachment plate 10 with the packing 20 fitted to the flange piece 4 of the flange 2, as shown in FIG. 1, between the flange piece 4 and the peripheral portion 10a of the attachment plate 10. One projecting piece 23 of the packing 20 is pressed and elastically deformed, and the elastically deformed packing 20 (projecting piece 23) closes a gap where the flange 2 and the mounting plate 10 are in contact with each other, thereby achieving waterproofing. Here, in this embodiment, since the opening edge of the flange 2 is brought into direct contact with the peripheral edge 10a of the mounting plate 10, the distance between the flange piece 4 and the peripheral edge 10a no matter how much the tightening nut 13 is tightened. Is maintained substantially constant. On the other hand, since the thickness of the protruding piece 23 of the packing 20 is slightly larger than the substantially constant dimension of the interval, when the flange 2 is attached to the attachment plate 10, the flange piece 4 of the flange 2 and the attachment plate 10 The protruding piece 23 is pressed and elastically deformed by the peripheral edge portion 10a. Therefore, the gap generated in the contact portion between the flange 2 and the mounting plate 10 (the opening edge of the flange 2 and the peripheral edge portion 10a of the mounting plate 10) is closed by the packing 20, and water from the contact portion into the flange 2 is prevented. Can be waterproofed.
[0017]
Further, in a state where the flange 2 is attached to the mounting plate 10, the tip end portion of the skirt portion 22 of the packing 20 abuts against the mounting surface M and is elastically deformed, so that water from the gap between the mounting surface M and the mounting plate 10 is prevented. be able to.
[0018]
As described above, the flange 2 is brought into direct contact with the mounting plate 10, and the packing 20 is pressed between the flange 4 of the flange 2 and the peripheral portion 10 a of the mounting plate 10 which are maintained at a substantially constant interval. As a result, the rubber packing 20 can be used in a deformed dimension capable of exhibiting the elastic repulsion set at the time of design, and a stable waterproof performance can be maintained. Further, since the mounting plate 10 is brought into direct contact with the mounting surface M, the mounting plate M and the mounting plate 10 and the instrument main body 1 (flange 2) are connected by a rigid body. Various problems that occur when rubber packings 52 and 55 are interposed between the mounting plates 51 and 54 and the mounting surface M, that is, the mounting quality deteriorates due to wobbling, water immersion or vibration fatigue of the instrument body 1 due to deterioration of the packing. Etc. can be suppressed.
[0019]
Further, in the present embodiment, the skirt portion 22 is provided in the packing 20, and when the flange 2 is attached to the attachment plate 10, the tip end portion of the skirt portion 22 is brought into contact with the attachment surface M to be elastically deformed. The packing 20 can be provided with a waterproof function for preventing water from entering through a gap generated at a contact portion with the flange 2. However, in the case where the unevenness of the mounting surface M is so rough that the skirt portion 22 does not follow and a gap is generated between the tip end portion of the skirt portion 22 and the mounting surface M, FIG. As shown in the figure, the gap generated at the contact portion between the tip portion of the skirt portion 22 and the mounting surface M may be covered with the sealant 24.
[0020]
The lighting fixture is not intended to be limited to that of the present embodiment, and the present invention is applied to various lighting fixture mounting structures having lamps 31 to 33 and arms 41 to 43 having shapes as shown in FIGS. The technical idea can be applied.
[0021]
【The invention's effect】
The invention of claim 1 is a mounting structure for attaching a lighting fixture to a mounting surface, wherein the lighting fixture is attached to a mounting surface, wherein the fixture body is attached to a mounting plate fixed to the mounting surface; And a flange that protrudes from the outer periphery of the flange and faces the mounting plate at a substantially constant interval when the flange is mounted on the mounting plate, and fixes the mounting plate in contact with the mounting surface. mounting by direct contact of the flange to the mounting plate, so made is elastically deformed to sandwich the gasket for watertight closing the gap of the contact portion of the mounting plate and the flange between the flange piece and the mounting plate, the flange the by in direct contact is not the mounting plate is elastically deformed by sandwiching a packing between the flange piece and the mounting plate, enables the elastic repulsive force that was set during design packing used in variant dimensions can exert , Stable prevention It functions there is an effect that can be maintained. In addition, since the mounting plate is brought into direct contact with the mounting surface, a rigid body is connected from the mounting surface to the mounting plate and the flange. Therefore, as in the conventional example, a rubber is provided between the mounting plate and the mounting surface. There is an effect that it is possible to suppress various problems that occur when the made packing is interposed, that is, occurrence of wobbling of the instrument body due to deterioration of the packing, deterioration of mounting quality due to water immersion or vibration fatigue, and the like.
[0022]
In the invention of claim 2, since means for waterproofing between the mounting plate and the mounting surface is provided in the packing, there is an effect that the packing can have a waterproof function of the mounting plate and the mounting surface.
[Brief description of the drawings]
FIG. 1 is a side cross-sectional view in which a part of the mounting state of the embodiment is omitted.
FIG. 2 is a side cross-sectional view with a part omitted in the state before the mounting.
FIG. 3 is a perspective view of the luminaire according to the above.
[Fig. 4] Fig. 4 is a perspective view of another luminaire according to the above.
FIG. 5 is a perspective view of still another lighting fixture according to the same.
FIG. 6 is a perspective view of still another lighting apparatus according to the same.
FIG. 7 is a side view of a conventional mounting state.
FIG. 8 is a side cross-sectional view in which a part of the mounting state is omitted.
FIG. 9 is a side sectional view in which a part of the mounting state of another conventional example is partially omitted.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Instrument body 2 Flange 4 Collar piece 10 Mounting plate 10a Peripheral part 20 Packing 21 Recess 22 Skirt part

Claims

A mounting structure for attaching a lighting fixture to a mounting surface, wherein the fixture body is mounted on a mounting plate fixed to the mounting surface, and a mounting plate in a state in which the flange projects from the outer periphery of the flange and is attached to the mounting plate. and substantially includes a flange piece facing at regular intervals, mounting by direct contact of the flange to the mounting plate to fix the mounting plate being in contact with the mounting surface, the mounting plate and the flange those A mounting structure for a lighting apparatus, wherein a waterproof packing that closes a gap between contact parts is elastically deformed by sandwiching it between a flange piece and a mounting plate.

2. A lighting fixture mounting structure according to claim 1, wherein said packing is provided with means for waterproofing between the mounting plate and the mounting surface.