JP6081856B2 - Ceiling inspection port installation structure - Google Patents

Ceiling inspection port installation structure Download PDF

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JP6081856B2
JP6081856B2 JP2013093146A JP2013093146A JP6081856B2 JP 6081856 B2 JP6081856 B2 JP 6081856B2 JP 2013093146 A JP2013093146 A JP 2013093146A JP 2013093146 A JP2013093146 A JP 2013093146A JP 6081856 B2 JP6081856 B2 JP 6081856B2
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inspection port
outer frame
opening
ceiling
attached
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JP2014214504A (en
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克信 藤川
克信 藤川
佳子 穴田
佳子 穴田
平岡　和樹
和樹 平岡
英雄 国枝
英雄 国枝
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Takiron Co Ltd
Daiken Co Ltd
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Takiron Co Ltd
Daiken Co Ltd
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Description

本発明は天井点検口の取り付け構造に関し、より詳細には、連結部材を用いて複数台連結した点検口を天井の開口部に設置する天井点検口の取り付け構造に関する。   The present invention relates to a ceiling inspection port mounting structure, and more particularly to a ceiling inspection port mounting structure in which a plurality of inspection ports connected to each other using a connecting member are installed in an opening of a ceiling.

特許文献１には、複数台の点検口が連結部材を介して連結された状態で天井の開口部に取り付けられる天井点検口構造が記載されている。この特許文献１に記載の天井点検口構造によれば、隣接する２つの点検口の外枠は連結部材にビス止めされて連結されており、複数台が連結された外枠の外周は天井の開口部にビス止めされて固定されている。   Patent Document 1 describes a ceiling inspection port structure that is attached to an opening of a ceiling in a state in which a plurality of inspection ports are connected via a connecting member. According to the ceiling inspection port structure described in Patent Document 1, the outer frames of two adjacent inspection ports are connected to the connecting member by screws, and the outer periphery of the outer frame connected to a plurality of units is connected to the ceiling. Screwed to the opening and fixed.

特開２０１１−１７９２８７号公報JP 2011-179287 A

特許文献１に記載の天井点検口構造では、各外枠は天井の開口部にビス止め固定されているので、熱変化に応じて自由膨張または自由収縮することができず、熱応力が発生して変形または破損する恐れがあった。   In the ceiling inspection port structure described in Patent Document 1, each outer frame is fixed to the opening of the ceiling with screws, so that it cannot be freely expanded or contracted in response to a thermal change, and thermal stress is generated. There was a risk of deformation or damage.

本発明の目的は、このような課題を解決するものであり、外枠に熱応力が発生して変形または破損することを防止することができる天井点検口の取り付け構造を提供することである。   An object of the present invention is to solve such a problem, and to provide a ceiling inspection port mounting structure capable of preventing the outer frame from being deformed or damaged due to thermal stress.

この課題を解決するために請求項１に係る発明は、外枠と、蓋材が取り付けられ外枠の内側に開閉自在に設けられる内枠とを備えた点検口を複数台連結した状態で天井の開口部に取り付けられる天井点検口の取付け構造において、
隣り合う２つの外枠の隣接する２つの辺のうち一方の辺には他方の辺を離間近接自在に係合させる連結部材が取り付けられている。 In order to solve this problem, the invention according to claim 1 is directed to a ceiling in a state where a plurality of inspection ports including an outer frame and an inner frame that is attached to a cover member and that can be freely opened and closed are connected. In the installation structure of the ceiling inspection port attached to the opening of
A connecting member is attached to one side of two adjacent sides of the two adjacent outer frames so that the other side can be separated and closely engaged.

請求項２に係る発明は、点検口の外枠を構成する辺のうち開口部の内面に沿って位置する辺は、前記内面との間に隙間が設けられた状態で前記辺を前記内面に対して離間近接自在に取り付け可能な取り付け部材を介して前記内面に取り付けられる。   According to a second aspect of the present invention, the side located along the inner surface of the opening among the sides constituting the outer frame of the inspection port is provided with a gap between the side and the inner surface. It attaches to the said inner surface through the attachment member which can be attached to a separation | spacing proximity | contact free.

請求項３に係る発明は、前記連結部材と前記他方の辺とに跨るガイド部材を有する。   The invention according to claim 3 has a guide member straddling the connecting member and the other side.

請求項１記載の発明によれば、天井点検口を構成する各々の点検口の外枠は熱変化に応じて自由膨張または自由収縮することができるので、外枠が熱応力によって変形または破損することを防止することができる。   According to the first aspect of the invention, since the outer frame of each inspection port constituting the ceiling inspection port can freely expand or contract in response to a change in heat, the outer frame is deformed or damaged by thermal stress. This can be prevented.

請求項２記載の発明によれば、天井点検口を構成する各々の点検口の外枠は熱変化に応じていっそう容易に自由膨張または自由収縮することができる。
請求項３記載の発明によれば、天井点検口を構成する各々の点検口の外枠をスムーズに自由膨張または自由収縮させることができる。 According to the second aspect of the present invention, the outer frame of each inspection port constituting the ceiling inspection port can be freely expanded or contracted more easily in response to a heat change.
According to invention of Claim 3, the outer frame of each inspection port which comprises a ceiling inspection port can be smoothly freely expanded or contracted freely.

本発明の一実施の形態に係る天井点検口の平面図である。It is a top view of the ceiling inspection opening which concerns on one embodiment of this invention. 同図１におけるＡ−Ａ断面図である。It is AA sectional drawing in the same FIG. 同図１におけるＢ−Ｂ断面図である。It is BB sectional drawing in the same FIG. 同図１におけるＣ−Ｃ断面図である。It is CC sectional drawing in the same FIG. 同図１におけるＤ−Ｄ断面図である。It is DD sectional drawing in the same FIG. 同図１におけるＥ−Ｅ断面図である。It is EE sectional drawing in the same FIG. 同外枠取り付け金具の斜視図である。It is a perspective view of the same outer frame attachment metal fitting. 同外枠の係合溝に形成された切欠き部に外枠取り付け金具を位置させた状態を示す斜視図である。It is a perspective view which shows the state which located the outer frame attachment metal fitting in the notch formed in the engaging groove of the same outer frame. 同開口部に点検口が１つ設置された状態の平面図である。It is a top view in the state where one inspection mouth was installed in the opening. 同開口部に点検口が２つ設置された状態の平面図である。It is a top view in the state where two inspection ports were installed in the opening.

以下、本発明の一実施の形態について図１〜図１０に基づいて説明する。一例として、建物の天窓から入ってくる太陽光が天井点検口１を通して室内２に取り入れられる場合について説明する。天井点検口１は、第１点検口３，第２点検口４，第３点検口５を備えており、第１点検口３と第２点検口４と第３点検口５とは各々連結部材６を介して一直線状に連結されている。第１点検口３，第２点検口４，第３点検口５は、外枠７，８，９と内枠１０，１１，１２を各々備えており、内枠１０，１１，１２には各々蓋材１３が設けられている。連結された３台の点検口３，４，５は、取り付け部材である外枠取り付け金具１５を用いて天井の開口部１４に取り付けられる。   Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As an example, a case where sunlight entering from a skylight of a building is taken into the room 2 through the ceiling inspection port 1 will be described. The ceiling inspection port 1 includes a first inspection port 3, a second inspection port 4, and a third inspection port 5, and the first inspection port 3, the second inspection port 4, and the third inspection port 5 are respectively connected members. 6 are connected in a straight line. The first inspection port 3, the second inspection port 4, and the third inspection port 5 are respectively provided with outer frames 7, 8, 9 and inner frames 10, 11, 12. A lid member 13 is provided. The three inspection ports 3, 4, and 5 connected to each other are attached to the opening 14 of the ceiling by using an outer frame attachment fitting 15 that is an attachment member.

外枠７，８，９は、アルミ押出型材で長尺状に形成された部材が長方形の額縁状に連結されて形成される。外枠７，８，９は、上下方向に形成される壁部２１の両端部から壁部２２，２３が額縁の内側に向かって形成された略コの字状の断面を有し、室内２側に位置する壁部２２は、壁部２１からさらに額縁の外側に向かって伸延して壁部２４が形成されている。   The outer frames 7, 8, and 9 are formed by connecting members formed in an elongated shape with an aluminum extrusion mold material into a rectangular frame shape. The outer frames 7, 8, 9 have a substantially U-shaped cross section in which the wall portions 22, 23 are formed from both ends of the wall portion 21 formed in the vertical direction toward the inside of the frame. The wall portion 22 located on the side extends further from the wall portion 21 toward the outside of the frame to form a wall portion 24.

壁部２１の上端には外枠取り付け金具１５が係合される係合溝２５が形成されている。額縁の外側に伸延する壁部２４には凸部２６が形成されており、係合溝２５の外側には当接面２７が形成されている。   An engaging groove 25 is formed at the upper end of the wall portion 21 to engage the outer frame mounting bracket 15. A convex portion 26 is formed on the wall portion 24 extending to the outside of the frame, and a contact surface 27 is formed on the outside of the engagement groove 25.

連結部材６はアルミ押出型材で長尺状に形成され、上下方向に形成される壁部３１の両端部から壁部３２，３３が水平方向に連設されたコの字状の断面を有し、壁部３２，３３の端部には当接面３４，３５が形成されている。連結部材６は、開口部が外枠７または８に対向した状態で、当接面３４が凸部２６に当接し、当接面３５が当接面２７に当接し、さらに室内２に臨む壁部３２が外枠７，８または９の壁部２４の端部２８に当接した状態でボルト３６止めされる。   The connecting member 6 is formed of an aluminum extrusion mold and is formed in an elongated shape. The connecting member 6 has a U-shaped cross section in which the wall portions 32 and 33 are connected in a horizontal direction from both ends of the wall portion 31 formed in the vertical direction. The abutting surfaces 34 and 35 are formed at the ends of the walls 32 and 33. The connecting member 6 has a wall in which the abutting surface 34 abuts on the convex portion 26, the abutting surface 35 abuts on the abutting surface 27, and faces the interior 2 with the opening facing the outer frame 7 or 8. The bolts 36 are fixed in a state where the portion 32 is in contact with the end portion 28 of the wall portion 24 of the outer frame 7, 8 or 9.

外枠８，９の壁部２１にはセルフクリンチングナット３７が取り付けられており、このセルフクリンチングナット３７に螺合されたなべ小ねじ３８の雄ねじ部３８ａが、連結部材６の壁部３１に形成された孔部３９に挿通可能である。セルフクリンチングナット３７はガイド部材である。   A self-clinching nut 37 is attached to the wall portion 21 of the outer frames 8 and 9, and a male screw portion 38 a of a pan head screw 38 screwed into the self-clinching nut 37 is attached to the wall portion 31 of the connecting member 6. It can be inserted into the formed hole 39. The self-clinching nut 37 is a guide member.

外枠７，８，９を開口部１４に支持する外枠取り付け金具１５は、たとえば金属板を用いて弾性変形可能に形成され、断面Ｌ字状の本体部４１と本体部４１の下端両側部に形成される係合部４２とを備えている。外枠７，８，９の係合溝２５外側には切欠き部４３が形成されており、外枠取り付け金具１５の係合部４２は切欠き部４３から係合溝２５に係合可能である。係合部４２が係合溝２５に係合された外枠取り付け金具１５は、係合溝２５に沿って所定の位置までスライドされ、本体部４１のビス孔４４を用いて開口部１４にビス止めされる。   The outer frame mounting bracket 15 that supports the outer frames 7, 8, 9 in the opening 14 is formed to be elastically deformable by using, for example, a metal plate, and has an L-shaped main body 41 and both lower ends of the main body 41. The engaging part 42 is formed. A notch 43 is formed outside the engaging groove 25 of the outer frames 7, 8, 9, and the engaging portion 42 of the outer frame mounting bracket 15 can be engaged with the engaging groove 25 from the notch 43. is there. The outer frame mounting bracket 15 with the engaging portion 42 engaged with the engaging groove 25 is slid to a predetermined position along the engaging groove 25, and is screwed into the opening portion 14 using the screw hole 44 of the main body portion 41. Stopped.

内枠１０，１１，１２は、室内２側から見たときに、アルミの押し出し材で長尺状に形成された部材が、長方形の額縁状に連結されて形成される。内枠１０，１１，１２の横断面は略逆Ｔ字状に形成されており、上下方向に形成される壁部４８の下端に、額縁の内側および外側に伸延する壁部４９，５０が形成されている。内枠１０，１１，１２は、内枠１０，１１，１２の外側に伸延する壁部５０と外枠７，８，９の壁部２２とに係合する係合部材５３によって、外枠７，８，９に回動可能に係止される。   The inner frames 10, 11, and 12 are formed by connecting members formed in an elongated shape with an extruded aluminum material into a rectangular frame shape when viewed from the interior 2 side. The cross sections of the inner frames 10, 11, 12 are formed in a substantially inverted T shape, and wall portions 49, 50 extending inward and outward of the frame are formed at the lower end of the wall portion 48 formed in the vertical direction. Has been. The inner frames 10, 11, and 12 are separated from the outer frame 7 by an engaging member 53 that engages with a wall portion 50 that extends outside the inner frames 10, 11, and 12 and a wall portion 22 of the outer frames 7, 8, and 9. , 8 and 9 are rotatably locked.

詳述はしないが、蓋材１３として、たとえば太陽光を室内に採り入れる採光シートが用いられる。採光シートの各辺は、壁部４８にビス止めされる第１押さえ部材５１と第２押さえ部材５２とによって内枠１０，１１，１２に引っ張られた状態で固定される。   Although not described in detail, as the lid member 13, for example, a daylighting sheet for taking sunlight into the room is used. Each side of the daylighting sheet is fixed in a state of being pulled by the inner frames 10, 11, and 12 by the first pressing member 51 and the second pressing member 52 that are screwed to the wall portion 48.

なお、外枠７，８，９の壁部２３の下面側端部には、内枠１０，１１，１２の壁部４８の上端に当接する気密材５７が設けられている。さらに、内枠１０，１１，１２の落下を防止するために安全ワイヤー装置５６が設けられる。安全ワイヤー装置５６は、安全ワイヤー５８と安全ワイヤー５８に連設された取り付け金具５９とを備えており、安全ワイヤー５８の端部が後述の第２押さえ部材５２にビス止めされ、取り付け金具５９はプレート６０を用いて係合溝２５にビス止めされる。   An airtight member 57 that abuts the upper ends of the wall portions 48 of the inner frames 10, 11, 12 is provided at the lower surface side end portions of the wall portions 23 of the outer frames 7, 8, 9. Further, a safety wire device 56 is provided to prevent the inner frames 10, 11, 12 from falling. The safety wire device 56 includes a safety wire 58 and a mounting bracket 59 connected to the safety wire 58, and an end of the safety wire 58 is screwed to a second pressing member 52 described later. The plate 60 is used to screw into the engagement groove 25.

ここで天井点検口１の取付け手順について説明する。外枠７にボルト３６止めされる連結部材を６ａとし、外枠８にボルト３６止めされる連結部材を６ｂとして説明する。まず、外枠７の辺７ａに連結部材６ａが取り付けられる。連結部材６ａの当接面３４，３５を辺７ａの凸部２６と当接面２７とに当接させ、さらに連結部材６ａの壁部３２を辺７ａの壁部２４端部２８に当接させた状態で、連結部材６ａが辺７ａにボルト３６止めされる。連結部材６ａがボルト３６止めされた外枠７には、蓋材１３が設けられた内枠１０が取り付けられ、さらに外枠７の切欠き部４３から、外枠取り付け金具１５が係合溝２５に係合されて点検口３が形成される。   Here, the installation procedure of the ceiling inspection port 1 will be described. The connecting member fixed to the outer frame 7 by the bolt 36 will be described as 6a, and the connecting member fixed to the outer frame 8 by the bolt 36 will be described as 6b. First, the connecting member 6 a is attached to the side 7 a of the outer frame 7. The contact surfaces 34 and 35 of the connecting member 6a are brought into contact with the convex portion 26 and the contact surface 27 of the side 7a, and the wall portion 32 of the connecting member 6a is brought into contact with the end portion 28 of the wall portion 24 of the side 7a. In this state, the connecting member 6a is fastened to the side 7a with a bolt 36. The inner frame 10 provided with the lid member 13 is attached to the outer frame 7 to which the connecting member 6 a is fixed by the bolt 36. Further, the outer frame mounting bracket 15 is engaged with the engaging groove 25 from the notch 43 of the outer frame 7. The inspection port 3 is formed.

点検口３は、連結部材６ａが取り付けられていない外枠７の３辺７ｂ，７ｃ，７ｄが開口部１４内面に対向した状態で、開口部１４に嵌め込まれる。図２〜図４に示すように、３辺７ｂ，７ｃ，７ｄは、壁部２４の端部２８が、気密材５４とともに開口部１４の周縁部５５に当接した状態で、外枠取り付け金具１５によって開口部１４内面にビス４５止めされる。外枠７の３辺７ｂ，７ｃ，７ｄは、開口部１４内面に当接せず、開口部１４内面との間に隙間Ａを設けた状態で設置される。本実施の形態において、隙間Ａは２．５ｍｍとされる。   The inspection port 3 is fitted into the opening 14 with the three sides 7b, 7c, 7d of the outer frame 7 to which the connecting member 6a is not attached facing the inner surface of the opening 14. As shown in FIGS. 2 to 4, the three sides 7 b, 7 c, and 7 d have outer frame mounting brackets in a state where the end portion 28 of the wall portion 24 is in contact with the peripheral portion 55 of the opening portion 14 together with the airtight material 54. The screw 45 is fixed to the inner surface of the opening 14 by 15. The three sides 7b, 7c, and 7d of the outer frame 7 do not contact the inner surface of the opening 14 and are installed with a gap A between the inner surface of the opening 14 and the outer frame 7. In the present embodiment, the gap A is 2.5 mm.

次に、外枠８の辺８ａに連結部材６ｂがボルト３６止めされ、外枠８にはさらに蓋材１３が設けられた内枠１１が取り付けられる。そして外枠８の係合溝２５に外枠取り付け金具１５が係合されて点検口４が形成される。点検口４は連結部材６ｂが取つけられた辺８ａに対向する辺８ｃが連結部材６ａに隣接し、辺８ｃと直交する２辺８ｂ，８ｄが開口部１４内面に対向した状態で嵌め込まれる。   Next, the connecting member 6 b is fastened to the side 8 a of the outer frame 8 with bolts 36, and the inner frame 11 further provided with the lid member 13 is attached to the outer frame 8. Then, the outer frame mounting bracket 15 is engaged with the engagement groove 25 of the outer frame 8 to form the inspection port 4. The inspection port 4 is fitted in a state in which the side 8c facing the side 8a to which the connecting member 6b is attached is adjacent to the connecting member 6a, and the two sides 8b and 8d orthogonal to the side 8c are opposed to the inner surface of the opening 14.

辺８ｃの凸部２６および当接面２７と、連結部材６ａの壁部３１との間には隙間Ｂが設けられ、さらに辺８ｃの壁部２４端部２８が連結部材６ａの壁部３２に当接した状態で、開口部１４内面に対向する２辺８ｂ，８ｄの壁部２４端部２８を、気密材５４とともに開口部１４の周縁部５５に当接させる。このとき、辺８ｃの壁部２１に取り付けられたセルフクリンチングナット３７に螺合されたなべ小ねじ３８の雄ねじ部３８ａが、連結部材６ａの壁部３１の孔部３９に挿通されている。この状態で、外枠取り付け金具１５が開口部１４内面にビス止めされ、外枠８の２辺８ｂ，８ｄは、開口部１４内面に当接せず、開口部１４内面との間に隙間Ａを設けた状態で設置される。   A gap B is provided between the convex portion 26 and the contact surface 27 of the side 8c and the wall portion 31 of the connecting member 6a, and the end portion 28 of the wall portion 24 of the side 8c is connected to the wall portion 32 of the connecting member 6a. In the state of contact, the wall 24 end portion 28 of the two sides 8b and 8d facing the inner surface of the opening 14 is brought into contact with the peripheral portion 55 of the opening 14 together with the airtight material 54. At this time, the male screw portion 38a of the pan head screw 38 screwed into the self-clinching nut 37 attached to the wall portion 21 of the side 8c is inserted into the hole portion 39 of the wall portion 31 of the connecting member 6a. In this state, the outer frame mounting bracket 15 is screwed to the inner surface of the opening 14, and the two sides 8 b and 8 d of the outer frame 8 do not contact the inner surface of the opening 14, and a gap A is formed between the inner surface of the opening 14. It is installed in the state that provided.

さらに、外枠９に、蓋材１３が設けられた内枠１２が取り付けられ、外枠９の係合溝２５に外枠取り付け金具１５が係合されて点検口５が形成される。点検口５は、辺９ｃが連結部材６ｂに隣接し、辺９ｃと直交する２辺９ｂ，９ｄおよび辺９ｃと対向する辺９ａが開口部１４内面に対向した状態で嵌め込まれる。辺９ｃの凸部２６および当接面２７と、連結部材６ｂの壁部３１との間には隙間Ｂが設けられ、さらに辺９ｃの壁部２４端部２８が連結部材６ｂの壁部３２に当接した状態で、開口部１４内面に対向する３辺９ａ，９ｂ，９ｄの壁部２４端部２８を、気密材５４とともに開口部１４の周縁部５５に当接させる。このとき、辺９ｃの壁部２１に取り付けられたセルフクリンチングナット３７に螺合されたなべ小ねじ３８の雄ねじ部３８ａは、連結部材６ｂの壁部３１の孔部３９に挿通されている。この状態で、外枠取り付け金具１５が開口部１４内面にビス止めされ、外枠９の３辺９ａ，９ｂ，９ｄは、開口部１４内面に当接せず、開口部１４内面との間に隙間Ａを設けた状態で設置される。   Further, the inner frame 12 provided with the lid member 13 is attached to the outer frame 9, and the inspection frame 5 is formed by engaging the outer frame mounting bracket 15 with the engaging groove 25 of the outer frame 9. The inspection port 5 is fitted with the side 9c adjacent to the connecting member 6b, the two sides 9b and 9d orthogonal to the side 9c, and the side 9a facing the side 9c facing the inner surface of the opening 14. A gap B is provided between the convex portion 26 and the abutting surface 27 of the side 9c and the wall portion 31 of the connecting member 6b, and the wall portion 24 end portion 28 of the side 9c is connected to the wall portion 32 of the connecting member 6b. In the abutted state, the wall 24 end portion 28 of the three sides 9a, 9b, 9d facing the inner surface of the opening portion 14 is brought into contact with the peripheral portion 55 of the opening portion 14 together with the airtight material 54. At this time, the male screw portion 38a of the pan head screw 38 screwed into the self-clinching nut 37 attached to the wall portion 21 of the side 9c is inserted into the hole portion 39 of the wall portion 31 of the connecting member 6b. In this state, the outer frame mounting bracket 15 is screwed to the inner surface of the opening 14, and the three sides 9 a, 9 b, 9 d of the outer frame 9 do not contact the inner surface of the opening 14, and are between the inner surface of the opening 14. It is installed with the gap A provided.

このように連結部材６ａ，６ｂは、隣り合う２つの外枠の隣接する２つの辺のうち一方の辺に各々ボルト止めして固定することができる。辺７ａ，８ａに連結部材６ａ，６ｂを固定することによって、辺７ａの壁部２４と辺８ｃの壁部２４との間の隙間および辺８ａの壁部２４と辺９ｃの壁部２４との間の隙間を隠して、天井の美観が損なわれないようにすることができる。   In this way, the connecting members 6a and 6b can be fixed by bolting to one of the two adjacent sides of the two adjacent outer frames. By fixing the connecting members 6a and 6b to the sides 7a and 8a, the gap between the wall 24 of the side 7a and the wall 24 of the side 8c and the wall 24 of the side 8a and the wall 24 of the side 9c The gap between them can be hidden so that the beauty of the ceiling is not impaired.

点検口３と点検口４との間および点検口４と点検口５との間には隙間Ｂが設けられており、開口部１４内面と点検口３，点検口４，点検口５との間にはさらに隙間Ａが設けられている。天井点検口１を構成する各々の点検口３，４，５の外枠７，８，９は熱変化に応じて自由膨張または自由収縮するので、外枠が熱応力によって変形または破損することを防止することができる。   A gap B is provided between the inspection port 3 and the inspection port 4 and between the inspection port 4 and the inspection port 5, and between the inner surface of the opening 14 and the inspection port 3, the inspection port 4, and the inspection port 5. Further, a gap A is provided. Since the outer frames 7, 8, and 9 of the respective inspection ports 3, 4, and 5 constituting the ceiling inspection port 1 are freely expanded or contracted in response to a change in heat, the outer frame is deformed or damaged by thermal stress. Can be prevented.

本実施例では点検口３と点検口４との間および点検口４と点検口５との間に隙間が設けられているが、点検口３と点検口４との間および点検口４と点検口５との間に隙間を設けることなく、開口部１４内面と点検口３，点検口４，点検口５との間に隙間を設けて、点検口３，４，５の外枠７，８，９を自由膨張または自由収縮させることもできる。   In this embodiment, gaps are provided between the inspection port 3 and the inspection port 4 and between the inspection port 4 and the inspection port 5, but between the inspection port 3 and the inspection port 4 and between the inspection port 4 and the inspection port 4. Without providing a gap between the opening 5, a gap is provided between the inner surface of the opening 14 and the inspection port 3, the inspection port 4, and the inspection port 5, and the outer frames 7 and 8 of the inspection ports 3, 4, and 5. , 9 can be freely expanded or contracted.

なお、外枠取り付け金具１５は弾性変形可能なものに限定されるものではない。外枠取り付け金具１５は、開口部１４内面に沿って位置する辺７ｂ，７ｃ，７ｄ，８ｂ，８ｄ，９ａ，９ｂ，９ｄを開口部１４内面との間に隙間が設けられた状態で開口部１４内面に離間近接自在に取り付け可能なものであればよい。たとえば、外枠取り付け金具に形成された長孔に対して、辺７ｂ，７ｃ，７ｄ，８ｂ，８ｄ，９ａ，９ｂ，９ｄに螺合されたボルトがスライド可能なものでもよい。   The outer frame mounting bracket 15 is not limited to one that can be elastically deformed. The outer frame mounting bracket 15 has an opening in a state in which a gap is provided between the sides 7b, 7c, 7d, 8b, 8d, 9a, 9b, and 9d located along the inner surface of the opening 14 and the inner surface of the opening 14. What is necessary is just what can be attached to 14 inner surfaces so that separation | spacing and adjoining are possible. For example, the bolts screwed into the sides 7b, 7c, 7d, 8b, 8d, 9a, 9b, 9d may be slidable with respect to the long holes formed in the outer frame mounting bracket.

このように、外枠７，８，９と、蓋材１３が取り付けられ外枠７，８，９の内側に開閉自在に設けられる内枠１０，１１，１２とを備えた点検口３，４，５を複数台連結した状態で天井の開口部１４に取り付けられる天井点検口１の取付け構造は、隣り合う２つの外枠の隣接する２つの辺のうち一方の辺には他方の辺を離間近接自在に係合させる連結部材６が取り付けられているので、天井点検口１を構成する各々の点検口３，４，５の外枠７，８，９は熱変化に応じて自由膨張または自由収縮することができ、外枠７，８，９が熱応力によって変形または破損することを防止することができる。   As described above, the inspection ports 3, 4 including the outer frames 7, 8, 9 and the inner frames 10, 11, 12 that are attached to the lid member 13 and that can be opened and closed inside the outer frames 7, 8, 9. , 5 are connected to the ceiling opening 14 with a plurality of units connected to each other, the mounting structure of the ceiling inspection port 1 is separated from one side of two adjacent sides of two adjacent outer frames. Since the connecting member 6 to be freely engaged is attached, the outer frames 7, 8, 9 of the inspection ports 3, 4, 5 constituting the ceiling inspection port 1 are freely expanded or free according to the heat change. The outer frame 7, 8, 9 can be prevented from being deformed or damaged by thermal stress.

さらに、点検口３，４，５の外枠７，８，９を構成する辺のうち開口部１４の内面に沿って位置する辺７ｂ，７ｃ，７ｄ，８ｂ，８ｄ，９ａ，９ｂ，９ｄは、開口部１４の内面との間に隙間が設けられた状態で辺７ｂ，７ｃ，７ｄ，８ｂ，８ｄ，９ａ，９ｂ，９ｄを開口部１４の内面に対して離間近接自在に取り付け可能な取り付け金具１５を介して開口部１４の内面に取り付けられるので、天井点検口１を構成する各々の点検口３，４，５の外枠７，８，９は熱変化に応じていっそう容易に自由膨張または自由収縮することができる。   Further, of the sides constituting the outer frames 7, 8, 9 of the inspection ports 3, 4, 5, the sides 7b, 7c, 7d, 8b, 8d, 9a, 9b, 9d located along the inner surface of the opening 14 are The side 7 b, 7 c, 7 d, 8 b, 8 d, 9 a, 9 b, 9 d can be attached to the inner surface of the opening 14 so as to be separated and close to each other with a gap provided between the inner surface of the opening 14. Since it is attached to the inner surface of the opening 14 via the metal fitting 15, the outer frames 7, 8, and 9 of the respective inspection ports 3, 4, and 5 constituting the ceiling inspection port 1 are more easily free-expanded in response to heat changes. Or it can shrink freely.

さらに、連結部材６と他方の辺とに跨るガイド部材であるセルフクリンチングナット３７を有するので、天井点検口１を構成する各々の点検口３，４，５の外枠７，８，９をスムーズに自由膨張または自由収縮させることができる。   Further, since the self-clinching nut 37 which is a guide member straddling the connecting member 6 and the other side is provided, the outer frames 7, 8, 9 of the inspection ports 3, 4, 5 constituting the ceiling inspection port 1 are provided. It can be smoothly expanded and contracted freely.

本実施の形態において、天井点検口１は、第１点検口３，第２点検口４，第３点検口５の３つの点検口が直線状に連結されて形成されているが、これに限定されるものではない。連結される点検口の数は２つでもよく、あるいは４つ以上であってもよい。外枠取り付け金具１５は金属板を用いて形成されているが、これに限定されるものではない。弾性変形可能なものであれば、たとえば樹脂を用いて形成することもできる。   In the present embodiment, the ceiling inspection port 1 is formed by connecting the three inspection ports of the first inspection port 3, the second inspection port 4, and the third inspection port 5 in a straight line. Is not to be done. The number of inspection ports connected may be two, or four or more. The outer frame mounting bracket 15 is formed using a metal plate, but is not limited thereto. As long as it can be elastically deformed, it can be formed using, for example, a resin.

１ 天井点検口
２ 室内
３ 第１点検口
４ 第２点検口
５ 第３点検口
６ 連結部材
７，８，９ 外枠
１０，１１，１２ 内枠
１３ 蓋材
１４ 開口部
１５ 外枠取り付け金具
２１，２２，２３，２４，３１，３２，３３，４８，４９，５０ 壁部
２５ 係合溝
２６ 凸部
２７，３４，３５ 当接面
２８ 端部
３６ ボルト
３７ セルフクリンチングナット
３８ なべ小ねじ
３９ 孔部
４１ 本体部
４２ 係合部
４３ 切欠き部
４４ ビス孔
４５ ビス
５１ 第１押さえ部材
５２ 第２押さえ部材
５３ 係合部材
５４，５７ 気密材
５５ 周縁部
５６ 安全ワイヤー装置
５８ 安全ワイヤー
５９ 取り付け金具
６０ プレート DESCRIPTION OF SYMBOLS 1 Ceiling inspection port 2 Room 3 1st inspection port 4 2nd inspection port 5 3rd inspection port 6 Connecting member 7,8,9 Outer frame 10,11,12 Inner frame 13 Lid 14 Opening part 15 Outer frame mounting bracket 21 , 22, 23, 24, 31, 32, 33, 48, 49, 50 Wall 25 Engaging groove 26 Projection 27, 34, 35 Abutting surface 28 End 36 Bolt 37 Self clinching nut 38 Pan head screw 39 Hole part 41 Main body part 42 Engagement part 43 Notch part 44 Screw hole 45 Screw 51 First pressing member 52 Second pressing member 53 Engaging member 54, 57 Airtight material 55 Peripheral part 56 Safety wire device 58 Safety wire 59 Mounting bracket 60 plates

Claims (3)

外枠と、蓋材が取り付けられ外枠の内側に開閉自在に設けられる内枠とを備えた点検口を複数台連結した状態で天井の開口部に取り付けられる天井点検口の取付け構造において、
隣り合う２つの外枠の隣接する２つの辺のうち一方の辺には他方の辺を離間近接自在に係合させる連結部材が取り付けられていることを特徴とする天井点検口の取付け構造。 In the ceiling inspection port mounting structure that is attached to the opening of the ceiling in a state where a plurality of inspection ports including an outer frame and a lid member attached to the inner frame that can be opened and closed inside the outer frame are connected,
2. A ceiling inspection port mounting structure, wherein a connecting member is attached to one side of two adjacent sides of two adjacent outer frames so as to engage the other side so as to be separated and close to each other. 点検口の外枠を構成する辺のうち開口部の内面に沿って位置する辺は、前記内面との間に隙間が設けられた状態で前記辺を前記内面に対して離間近接自在に取り付け可能な取り付け部材を介して前記内面に取り付けられることを特徴とする請求項１に記載の天井点検口の取付け構造。 Of the sides constituting the outer frame of the inspection port, the side located along the inner surface of the opening can be attached to the inner surface so that the side can be separated and approached with a gap provided between the side and the inner surface. The ceiling inspection port mounting structure according to claim 1, wherein the ceiling inspection port mounting structure is attached to the inner surface via a mounting member. 前記連結部材と前記他方の辺とに跨るガイド部材を有することを特徴とする請求項１または２に記載の天井点検口の取付け構造。 The ceiling inspection port mounting structure according to claim 1, further comprising a guide member straddling the connecting member and the other side.
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