JP5252719B2 - lighting equipment - Google Patents

lighting equipment Download PDF

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JP5252719B2
JP5252719B2 JP2009041543A JP2009041543A JP5252719B2 JP 5252719 B2 JP5252719 B2 JP 5252719B2 JP 2009041543 A JP2009041543 A JP 2009041543A JP 2009041543 A JP2009041543 A JP 2009041543A JP 5252719 B2 JP5252719 B2 JP 5252719B2
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ceiling
friction sheet
high friction
annular rib
elastic
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JP2010198883A (en
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正秀 北羅
徹人 秋月
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Description

本発明は、器具本体が天井に取付けられ、器具本体の光源を覆うために天井に対して平行に回転することで器具本体にカバーが取付けられた照明器具に関するものである。   The present invention relates to a lighting fixture in which a fixture body is attached to a ceiling, and a cover is attached to the fixture body by rotating in parallel with the ceiling in order to cover a light source of the fixture body.

天井取付型の照明器具のなかには、天井に取付けられる器具本体が備えられ、この器具本体に光源が設けられるとともに光源を覆うカバーが設けられ、器具本体のうち天井に対向する面に弾性部材としてスポンジパッキンが設けられたものが知られている。
器具本体にカバーを取付ける際には、器具本体の取付位置にカバーを合わせ、カバーを天井に対して平行に回転させることでカバーを器具本体に係止する（例えば、特許文献１参照）。 The ceiling-mounted lighting fixture includes a fixture main body that is attached to the ceiling. The fixture main body is provided with a light source and a cover that covers the light source. A surface of the fixture main body that faces the ceiling has a sponge as an elastic member. One provided with a packing is known.
When the cover is attached to the instrument body, the cover is aligned with the attachment position of the instrument body, and the cover is locked to the instrument body by rotating the cover in parallel with the ceiling (see, for example, Patent Document 1).

特許文献１に記載の照明器具によれば、器具本体を取付けた状態で弾性部材が天井に接触されている。よって、器具本体にカバーを取付けるために、カバーを天井に対して平行に回転させた際に、カバーとともに器具本体が天井に対して共回りすることを防ぐことができる。   According to the lighting fixture described in Patent Literature 1, the elastic member is in contact with the ceiling with the fixture body attached. Therefore, when the cover is rotated in parallel to the ceiling in order to attach the cover to the instrument main body, it is possible to prevent the instrument main body from rotating together with the cover together with the cover.

特開平１０−２７５５１６号公報JP-A-10-275516

しかしながら、特許文献１の照明器具では、天井に内装材として塩ビ製の天井クロスが用いられている場合に、照明器具等の発熱により弾性部材（スポンジパッキン）の発泡剤として用いられたアミン触媒が揮発して天井クロスに移行し、天井クロスを変色させてしまう虞がある。   However, in the lighting apparatus of Patent Document 1, when a ceiling ceiling made of PVC is used as an interior material on the ceiling, the amine catalyst used as a foaming agent for the elastic member (sponge packing) due to heat generated by the lighting apparatus or the like is used. It may volatilize and move to the ceiling cloth, causing the ceiling cloth to discolor.

天井クロスの変色を防ぐ対策として、弾性材料（スポンジパッキン）を用いない緩衝具を専用器具として用いることが考えられる。
しかし、弾性材料（スポンジパッキン）を用いない緩衝具を専用器具として用いる場合、構成が複雑になり、既存の照明器具に後付けで容易に取付けることはできないという問題がある。 As a measure for preventing discoloration of the ceiling cloth, it is conceivable to use a shock absorber that does not use an elastic material (sponge packing) as a dedicated instrument.
However, when a shock absorber that does not use an elastic material (sponge packing) is used as a dedicated instrument, there is a problem that the configuration becomes complicated and it cannot be easily attached to an existing lighting apparatus by retrofitting.

本発明は、従来の問題を解決するためになされたもので、その目的は、簡単な構成で、既存の照明器具に後付けで容易に取付けることが可能で、かつ、カバーを取り付ける際の器具本体の共回りを防ぐとともに天井クロスの変色を抑えることができる照明器具を提供することにある。   The present invention has been made in order to solve the conventional problems. The object of the present invention is to easily attach to an existing lighting fixture with a simple configuration, and to attach the cover to the fixture body. An object of the present invention is to provide a luminaire that can prevent co-rotation and suppress discoloration of a ceiling cross.

本発明の照明器具は、天井に取付けられるとともに前記天井の反対側に光源が設けられた器具本体と、前記光源を覆うために前記天井に対して平行に回転することで前記器具本体に取付けられたカバーと、を有する天井取付型の照明器具において、前記器具本体の前記天井に対向する面のうち、前記器具本体の外周寄りの取付箇所の近傍に設けられた環状リブと、前記器具本体の前記天井に対向する面のうち、前記器具本体の外周寄りの取付箇所に、前記環状リブに沿うように湾曲状に設けられ、無負荷状態ではその高さが前記環状リブよりも高く設定され、かつ弾性変形可能な弾性手段と、前記弾性手段の前記天井側の面である上面よりも大きな面積をもち、前記上面の全面を覆って前記上面の全外周よりも外側に突出して設けられ、かつ、前記環状リブの前記天井側の面である上面の一部も覆う高摩擦シートと、を備える。 The lighting fixture of the present invention is attached to the fixture main body by being mounted on the ceiling and provided with a light source on the opposite side of the ceiling, and rotating in parallel to the ceiling to cover the light source. A ceiling-mounted illumination fixture having a cover, an annular rib provided in the vicinity of an attachment portion near the outer periphery of the fixture body, of the surface of the fixture body facing the ceiling, and the fixture body Of the surface facing the ceiling, the mounting location near the outer periphery of the instrument body is provided in a curved shape along the annular rib, and the height is set higher than the annular rib in an unloaded state, and an elastically deformable elastic means has a larger area than the surface at which the upper surface of the ceiling side of said elastic means, provided to protrude outward from the entire outer periphery of the top surface covering the entire surface of the upper surface, and A high friction sheet covering a part of the upper surface said a ceiling-side surface of the annular rib, Ru comprising a.

この構成により、天井に取り付けられる器具本体の天井に対向する面のうち、器具本体の外周寄りの取付け箇所に弾性手段を設けるとともに、弾性手段の天井側面に高摩擦シートを設けるという簡単な構成とした。このため、既存の照明器具に、後付けで高摩擦シートを容易に取り付けることができる。また、カバーを着脱する際の器具本体の共回りを防止することができる。
そして、弾性手段に取り付ける高摩擦シートを、弾性手段の天井側面よりも大きくしたので、弾性手段が天井を汚したり天井にくっつくのを防止することができ、天井から容易に取り外すことができる。 With this configuration, among the surfaces facing the ceiling of the instrument main body attached to the ceiling, the elastic means is provided at the attachment portion near the outer periphery of the instrument main body, and the high friction sheet is provided on the ceiling side surface of the elastic means; did. For this reason, a high friction sheet | seat can be easily attached to the existing lighting fixture by retrofitting. Further, it is possible to prevent the instrument body from rotating together when the cover is attached or detached.
And since the high friction sheet | seat attached to an elastic means is made larger than the ceiling side surface of an elastic means, it can prevent that an elastic means stains a ceiling or sticks to a ceiling, and can remove easily from a ceiling.

また、本発明の照明器具は、前記高摩擦シートは、前記天井側面の全面にわたって起毛が形成されている構成を有している。   Moreover, the lighting fixture of this invention has the structure by which the said high friction sheet | seat has the raising | fluff formed over the whole surface of the said ceiling side surface.

この構成により、高摩擦シートの天井側面に、全面にわたって起毛が形成されているので、起毛が天井に当接して器具本体の回転を防止する。この起毛は、弾性手段を弾性変形させることにより、天井に比較的大きな押付力を作用させた状態で容易に当接させることができる。
これにより、弾性手段の上部に高摩擦シートを設けるだけの簡単な構造で、器具本体の天井からの取り外しを容易にし、さらに、カバーを取り付ける際の器具本体の共回りを防止することができる。 With this configuration, since the raised portions are formed on the entire side of the ceiling of the high friction sheet, the raised portions come into contact with the ceiling to prevent the instrument body from rotating. This raising can be easily brought into contact with a relatively large pressing force acting on the ceiling by elastically deforming the elastic means.
Thereby, it is possible to easily remove the instrument main body from the ceiling with a simple structure in which a high friction sheet is provided on the upper portion of the elastic means, and to prevent the instrument main body from rotating together when the cover is attached.

さらに、本発明の照明器具は、前記高摩擦シートは、前記弾性手段からのアミン触媒等の揮発ガスを防ぐ紙材または気密性を有する材料で形成された構成を有している。   Furthermore, the lighting fixture of this invention has the structure in which the said high friction sheet | seat was formed with the paper material which prevents volatile gases, such as an amine catalyst from the said elastic means, or the material which has airtightness.

この構成により、弾性手段の反応促進剤として用いられたアミン触媒が、天井クロスに移行して、天井クロスが変色するのを防止することができる。
また、高摩擦シートをスポンジパッキンの天井側面よりも大きくすることで、スポンジパッキンの側面からの揮発ガスを遮断することができる。 With this configuration, it is possible to prevent the amine catalyst used as a reaction accelerator for the elastic means from moving to the ceiling cloth and discoloring the ceiling cloth.
Moreover, the volatile gas from the side surface of the sponge packing can be blocked by making the high friction sheet larger than the side surface of the sponge packing.

本発明は、器具本体の天井に対向する面に弾性手段を設け、弾性手段の上部に高摩擦シートを設ける構成とすることで、既存の照明器具に後付けで容易に取り付けることができる。また、照明器具の取り外しを容易にすると共に、カバーを取り付ける際の器具本体の共回りを防ぎ、さらに天井の変色を防止することができる。   According to the present invention, the elastic means is provided on the surface of the fixture body facing the ceiling, and the high friction sheet is provided on the upper portion of the elastic means, so that the fixture can be easily attached to an existing lighting fixture. Further, it is possible to easily remove the lighting fixture, to prevent the fixture main body from rotating together when the cover is attached, and to prevent discoloration of the ceiling.

本発明に係る照明器具の実施形態を示す側面図The side view which shows embodiment of the lighting fixture which concerns on this invention 本発明に係る照明器具の実施形態を示す平面図The top view which shows embodiment of the lighting fixture which concerns on this invention 本発明に係る実施形態の弾性体および高摩擦シートを器具本体に取り付けた状態を示す斜視図The perspective view which shows the state which attached the elastic body and high friction sheet | seat of embodiment which concerns on this invention to the instrument main body. （Ａ）は本発明に係る実施形態の弾性体および高摩擦シートの平面図、（Ｂ）は器具本体と天井の間に取り付けられた弾性体および高摩擦シートの側面図(A) is a top view of the elastic body and high friction sheet | seat of embodiment which concerns on this invention, (B) is a side view of the elastic body and high friction sheet | seat attached between the instrument main body and the ceiling. 本発明に係る実施形態の弾性体の変形前の状態を示す側面図The side view which shows the state before a deformation | transformation of the elastic body of embodiment which concerns on this invention. 本発明に係る実施形態の弾性体が器具本体と天井の間において弾性変形した状態を示す側面図The side view which shows the state which the elastic body of embodiment which concerns on this invention elastically deformed between the instrument main body and the ceiling

以下、本発明の実施形態に係る照明器具について、図面を参照して説明する。
図１および図２に示すように、照明器具１０は、被取付部である例えば天井１２に取り付けられて、室内等を照明する天井取付型の照明器具として使用することができる。 Hereinafter, the lighting fixture which concerns on embodiment of this invention is demonstrated with reference to drawings.
As shown in FIGS. 1 and 2, the lighting fixture 10 can be used as a ceiling-mounted lighting fixture that is attached to, for example, a ceiling 12 that is a mounted portion and illuminates a room or the like.

照明器具１０は、天井１２に取り付けられる器具本体１４と、器具本体１４における天井１２の反対側に収容される例えば、環状蛍光灯のような光源１６と、光源１６を覆うカバー１８と、を有する。
カバー１８は、透明あるいは半透明の光透過性を有する例えば樹脂で形成され、器具本体１４の取付位置に位置決めした状態で、器具本体１４に対して平行に（すなわち、天井１２に沿って）回転することで、器具本体１４の取付位置に着脱可能となっている。 The lighting fixture 10 includes a fixture main body 14 attached to the ceiling 12, a light source 16 such as an annular fluorescent lamp accommodated on the opposite side of the fixture main body 14 from the ceiling 12, and a cover 18 that covers the light source 16. .
The cover 18 is formed of, for example, a resin having a transparent or translucent light transmittance, and is rotated in parallel with the instrument body 14 (that is, along the ceiling 12) while being positioned at the mounting position of the instrument body 14. By doing so, it can be attached to and detached from the mounting position of the instrument body 14.

そして、器具本体１４の天井１２に対向する面１５のうち、器具本体１４の外周寄りの取付箇所に設けられた弾性変形可能な弾性手段としての弾性体２０と、弾性体２０の天井側面２１に設けられ天井側面２１より大きな高摩擦シート３０と、を有する。   And, on the surface 15 facing the ceiling 12 of the instrument main body 14, the elastic body 20 as an elastically deformable elastic means provided at an attachment position near the outer periphery of the instrument main body 14, and the ceiling side surface 21 of the elastic body 20 And a high friction sheet 30 that is larger than the ceiling side surface 21.

弾性体２０は、その弾性力により器具本体１４を天井１２にガタつくことなく固定するための部材である。
また、高摩擦シート３０は弾性体２０と天井１２との間に設けられて、カバー１８を回転させて着脱する際に、その摩擦力により弾性体２０すなわち器具本体１４がカバー１８と共回りしないようにする部材である。 The elastic body 20 is a member for fixing the instrument main body 14 to the ceiling 12 by the elastic force without rattling.
In addition, the high friction sheet 30 is provided between the elastic body 20 and the ceiling 12, and when the cover 18 is rotated and detached, the elastic body 20, that is, the instrument body 14 does not rotate with the cover 18 due to the frictional force. It is a member to make it.

器具本体１４は例えば円形をしており、天井１２に対向する面１５で、かつ、外周２５寄りの取付箇所２６近傍に、環状リブ２８が外周２５と同心円状に設けられている。
光源１６は、器具本体１４のうち天井１２の反対側（すなわち、室２９内に対向する側）に設けられている。 The instrument main body 14 has, for example, a circular shape, and an annular rib 28 is provided concentrically with the outer periphery 25 on the surface 15 facing the ceiling 12 and in the vicinity of the attachment portion 26 near the outer periphery 25.
The light source 16 is provided on the opposite side of the ceiling 12 of the instrument body 14 (that is, the side facing the interior of the chamber 29).

弾性体２０は、器具本体１４の天井１２に対向する面１５のうち器具本体１４の外周２５寄りの取付箇所２６に所定間隔をおいて複数個設けられている。
図３、図４に示すように、弾性体２０は、環状リブ２８に沿うように僅かに湾曲状に形成された矩形体の部材であり、例えば環状リブ２８の外側面２８１に当接して設けることができる。 A plurality of elastic bodies 20 are provided at predetermined intervals on a mounting portion 26 near the outer periphery 25 of the instrument body 14 on the surface 15 of the instrument body 14 facing the ceiling 12.
As shown in FIGS. 3 and 4, the elastic body 20 is a rectangular member formed in a slightly curved shape along the annular rib 28. For example, the elastic body 20 is provided in contact with the outer surface 281 of the annular rib 28. be able to.

弾性体２０の高さは、無負荷状態において少なくとも環状リブ２８の高さよりも高く設定する。すなわち、環状リブ２８を天井１２に押し付けて器具本体１４を天井１２に取り付けた際に、弾性体２０が弾性変形して弾性力を発揮できるようにする。
弾性体２０は、一例として、発泡剤（アミン触媒）で発泡された弾性変形可能な発泡材（スポンジパッキン）とすることができる。 The height of the elastic body 20 is set to be higher than at least the height of the annular rib 28 in an unloaded state. That is, when the annular rib 28 is pressed against the ceiling 12 and the instrument body 14 is attached to the ceiling 12, the elastic body 20 is elastically deformed so that an elastic force can be exerted.
As an example, the elastic body 20 can be an elastically deformable foam material (sponge packing) foamed with a foaming agent (amine catalyst).

弾性体２０の天井側面２１（すなわち、上面）には、弾性体２０の天井側面２１より大きな高摩擦シート３０が設けられている。高摩擦シート３０は、弾性体２０と同様に、器具本体１４の環状リブ２８に沿って湾曲した平面状を呈している。
ここで、天井側面２１より大きいとは、天井側面２１に高摩擦シート３０を被せた状態で、天井側面２１の全周にわたって高摩擦シート３０が外側に突出する状態をいう（図４（Ｂ）参照）。 A high friction sheet 30 larger than the ceiling side surface 21 of the elastic body 20 is provided on the ceiling side surface 21 (that is, the upper surface) of the elastic body 20. Similar to the elastic body 20, the high friction sheet 30 has a planar shape curved along the annular rib 28 of the instrument body 14.
Here, being larger than the ceiling side surface 21 means a state in which the high friction sheet 30 protrudes outward over the entire circumference of the ceiling side surface 21 with the high friction sheet 30 covered on the ceiling side surface 21 (FIG. 4B). reference).

図３に示すように、高摩擦シート３０が環状リブ２８の天井側面２８２も覆うようにするのが望ましい。これにより、環状リブ２８が天井１２に押し付けられても、高摩擦シート３０が環状リブ２８の天井側面２８２と天井１２との間に介在することになる。
高摩擦シート３０としては、例えば弾性体２０からのアミン触媒等の揮発ガスを防ぐ紙材または気密性を有する材料で形成することができる。 As shown in FIG. 3, it is desirable that the high friction sheet 30 also covers the ceiling side surface 282 of the annular rib 28. Thereby, even if the annular rib 28 is pressed against the ceiling 12, the high friction sheet 30 is interposed between the ceiling side surface 282 of the annular rib 28 and the ceiling 12.
The high friction sheet 30 can be formed of, for example, a paper material that prevents volatile gas such as an amine catalyst from the elastic body 20 or a material having airtightness.

高摩擦シート３０は、天井側面３１の全面にわたって起毛３２（図３参照）が形成されている。   The high friction sheet 30 is provided with raised portions 32 (see FIG. 3) over the entire surface of the ceiling side surface 31.

図５は無負荷状態（すなわち、取付け前）における弾性体２０および高摩擦シート３０を示す断面図であり、図６は器具本体１４を天井１２に取り付けた状態における弾性体２０および高摩擦シート３０を示す断面図である。   FIG. 5 is a cross-sectional view showing the elastic body 20 and the high friction sheet 30 in an unloaded state (that is, before attachment), and FIG. 6 is a cross-sectional view of the elastic body 20 and the high friction sheet 30 in a state where the instrument body 14 is attached to the ceiling 12. FIG.

器具本体１４を天井１２に取り付ける際には、環状リブ２８の上面は天井１２に押し付けられる。このとき、弾性体２０の高さは器具本体１４の環状リブ２８および外周２５よりも高いため、弾性体２０は上下方向に押しつぶされて弾性変形し、横方向へ膨張する。   When attaching the instrument body 14 to the ceiling 12, the upper surface of the annular rib 28 is pressed against the ceiling 12. At this time, since the height of the elastic body 20 is higher than the annular rib 28 and the outer periphery 25 of the instrument body 14, the elastic body 20 is crushed in the vertical direction and elastically deformed and expanded in the lateral direction.

このとき、高摩擦シート３０に設けられている起毛３２は、弾性体２０の弾性力により、比較的大きな押付力で天井１２に押し付けられる。
また、高摩擦シート３０は弾性体２０の天井側面２１よりも大きいため、弾性体２０が横方向へ膨張しても高摩擦シート３０から突出しない。 At this time, the raised portions 32 provided on the high friction sheet 30 are pressed against the ceiling 12 with a relatively large pressing force by the elastic force of the elastic body 20.
Further, since the high friction sheet 30 is larger than the ceiling side surface 21 of the elastic body 20, it does not protrude from the high friction sheet 30 even if the elastic body 20 expands in the lateral direction.

以上、説明した本発明の実施形態にかかる照明器具１０によれば、天井１２に取り付けられる器具本体１４の天井１２に対向する面のうち、器具本体１４の外周寄りの取付け箇所にスポンジパッキンのような弾性体２０を設けるとともに、弾性体２０の天井側面２１に高摩擦シート３０を設けるという簡単な構成とした。このため、既存の照明器具に、後付けで高摩擦シート３０を容易に取り付けることができる。また、カバー１８を着脱する際の器具本体１４の共回りを防止することができる。
そして、弾性体２０に取り付ける高摩擦シート３０を、弾性体２０の天井側面２１よりも大きくしたので、高摩擦シート３０が天井１２に押し付けられ、密着して経年劣化しても、天井１２から剥がれ易くすることができる。また、高摩擦シート３０が環状リブ２８の天井側面２８２も覆うので、環状リブ２８が天井１２に押し付けられても、天井１２にくっついたり汚すのを防止することができる。 As described above, according to the lighting fixture 10 according to the embodiment of the present invention described above, the surface of the fixture main body 14 attached to the ceiling 12 facing the ceiling 12, such as a sponge packing at an attachment position near the outer periphery of the fixture main body 14. In addition to providing the elastic body 20, the high friction sheet 30 is provided on the ceiling side surface 21 of the elastic body 20. For this reason, the high friction sheet | seat 30 can be easily attached to the existing lighting fixture by retrofitting. Further, it is possible to prevent the instrument body 14 from rotating together when the cover 18 is attached and detached.
And since the high friction sheet 30 attached to the elastic body 20 is made larger than the ceiling side surface 21 of the elastic body 20, even if the high friction sheet 30 is pressed against the ceiling 12 and closely contacts and deteriorates over time, it peels off from the ceiling 12. Can be made easier. Further, since the high friction sheet 30 also covers the ceiling side surface 282 of the annular rib 28, even if the annular rib 28 is pressed against the ceiling 12, it can be prevented from sticking to or getting dirty from the ceiling 12.

また、高摩擦シート３０の天井側面３１の全面にわたって起毛３２が形成されているので、起毛３２が天井１２に当接して器具本体１４の回転を防止する。この起毛３２は、弾性体２０を弾性変形させることにより、天井１２に比較的大きな押付力を作用させた状態で容易に当接させることができる。
これにより、弾性体２０の上部に高摩擦シート３０を設けるだけの簡単な構造で、器具本体１４の天井１２からの取り外しを容易にし、さらに、カバー１８を取り付ける際の器具本体１４の共回りを防止することができる。 Moreover, since the raising 32 is formed over the entire surface of the ceiling side 31 of the high friction sheet 30, the raising 32 comes into contact with the ceiling 12 to prevent the instrument body 14 from rotating. The raised portions 32 can be easily brought into contact with the ceiling 12 in a state where a relatively large pressing force is applied to the ceiling 12 by elastically deforming the elastic body 20.
Thereby, the simple structure which only provides the high friction sheet | seat 30 in the upper part of the elastic body 20 makes it easy to remove the instrument main body 14 from the ceiling 12, and also the instrument main body 14 when the cover 18 is attached is rotated together. Can be prevented.

また、高摩擦シート３０は揮発ガスを遮断する紙材または気密性を有する材料で形成されているので、弾性体２０であるスポンジパッキンの反応促進剤として用いられているアミン触媒が発熱により発生する揮発ガスを遮断することができる。これにより、揮発ガスが天井１２に貼られている塩ビ製の天井クロスに移行して、天井１２を汚したり、天井１２にくっつくのを防止することができ、天井１２から容易に取り外すことができる。
さらに、高摩擦シート３０を、弾性体２０の天井側面２１よりも大きくしたので、弾性体２０の側面から発せられる揮発ガスが天井１２に付着するのを防止することができる。 Further, since the high friction sheet 30 is made of a paper material that blocks volatile gas or a material having airtightness, an amine catalyst used as a reaction accelerator for the sponge packing as the elastic body 20 is generated by heat generation. Volatile gas can be shut off. Thereby, it can prevent that the volatile gas transfers to the ceiling cloth made of the vinyl chloride stuck on the ceiling 12, stains the ceiling 12, and sticks to the ceiling 12, and can be easily removed from the ceiling 12. .
Furthermore, since the high friction sheet 30 is made larger than the ceiling side surface 21 of the elastic body 20, it is possible to prevent the volatile gas emitted from the side surface of the elastic body 20 from adhering to the ceiling 12.

なお、本発明の照明器具は、前述した実施形態に限定されるものでなく、適宜な変形，改良等が可能である。   In addition, the lighting fixture of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

１０ 照明器具
１２ 天井
１４ 器具本体
１５ 器具本体の天井に対向する面
１６ 光源
１８ カバー
２０ 弾性体（弾性手段）
２１ 弾性手段の天井側面
３０ 高摩擦シート
３１ 高摩擦の天井側面
３２ 起毛 DESCRIPTION OF SYMBOLS 10 Lighting fixture 12 Ceiling 14 Appliance main body 15 Surface facing the ceiling of an appliance main body 16 Light source 18 Cover 20 Elastic body (elastic means)
21 ceiling side of elastic means 30 high friction sheet 31 high friction ceiling side 32 raised

Claims (3)

天井に取付けられるとともに前記天井の反対側に光源が設けられた器具本体と、
前記光源を覆うために前記天井に対して平行に回転することで前記器具本体に取付けられたカバーと、を有する天井取付型の照明器具において、
前記器具本体の前記天井に対向する面のうち、前記器具本体の外周寄りの取付箇所の近傍に設けられた環状リブと、
前記器具本体の前記天井に対向する面のうち、前記器具本体の外周寄りの取付箇所に、前記環状リブに沿うように湾曲状に設けられ、無負荷状態ではその高さが前記環状リブよりも高く設定され、かつ弾性変形可能な弾性手段と、
前記弾性手段の前記天井側の面である上面よりも大きな面積をもち、前記上面の全面を覆って前記上面の全外周よりも外側に突出して設けられ、かつ、前記環状リブの前記天井側の面である上面の一部も覆う高摩擦シートと、
を備えることを特徴とする照明器具。 An instrument body attached to the ceiling and provided with a light source on the opposite side of the ceiling;
In a ceiling-mounted lighting fixture having a cover attached to the fixture body by rotating parallel to the ceiling to cover the light source,
Of the surface facing the ceiling of the instrument body, an annular rib provided in the vicinity of the mounting location near the outer periphery of the instrument body;
Of the surface facing the ceiling of the instrument body, the mounting location near the outer periphery of the instrument body is provided in a curved shape along the annular rib, and in the unloaded state its height is higher than that of the annular rib. Elastic means set high and elastically deformable;
The elastic means has a larger area than the upper surface that is the surface on the ceiling side , covers the entire surface of the upper surface, protrudes outward from the entire outer periphery of the upper surface, and is provided on the ceiling side of the annular rib. A high-friction sheet that also covers a part of the upper surface ,
Luminaire, characterized in that Ru comprising a. 前記高摩擦シートは、前記天井側面の全面にわたって起毛が形成さ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 lighting apparatus according to claim 1, wherein the high friction sheet is formed with raised portions over the entire surface of the ceiling side surface. 前記高摩擦シートは、前記弾性手段からのアミン触媒等の揮発ガスを防ぐ紙材または気密性を有する材料で形成されていることを特徴とする請求項１または２記載の照明器具。   The lighting apparatus according to claim 1, wherein the high friction sheet is formed of a paper material or an airtight material that prevents a volatile gas such as an amine catalyst from the elastic means.
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