JP2005171614A - Inspection hole of ceiling - Google Patents

Inspection hole of ceiling Download PDF

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Publication number
JP2005171614A
JP2005171614A JP2003412643A JP2003412643A JP2005171614A JP 2005171614 A JP2005171614 A JP 2005171614A JP 2003412643 A JP2003412643 A JP 2003412643A JP 2003412643 A JP2003412643 A JP 2003412643A JP 2005171614 A JP2005171614 A JP 2005171614A
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inner frame
frame
outer frame
ceiling
pair
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JP2003412643A
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Japanese (ja)
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Seijiro Tai
誠二郎 田井
Katsunobu Fujikawa
克信 藤川
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Daiken Co Ltd
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Daiken Co Ltd
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Priority to JP2003412643A priority Critical patent/JP2005171614A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To reduce the cost of an inspection hole of a ceiling by enabling construction to be more easily performed than when a shaft is mounted on an inner frame. <P>SOLUTION: The inspection hole of the ceiling is equipped with an outer frame 1 which is fitted into an opening of a ceiling board and fixed to the side of a building, and the inner frame 3 for opening/closing an internal space of the outer frame 1. A pair of opposed rising walls 4 of the outer frame 1 and a pair of opposed rising walls 5 of the inner frame 3 are connected by means of turning retainer members 6 which are attached to inner surfaces of the pair of opposed rising walls 4 of the outer frame 1, and turning members 8 which are provided integrally with corner connecting fittings 7 of the inner frame 3 in such a manner as to be protruded on outer surfaces of the pair of opposed rising walls 5 of the inner frame 3. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、天井点検口に関するものである。   The present invention relates to a ceiling inspection port.

従来の天井点検口としては、例えば特許文献１に開示されているものが知られている。この特許文献１に開示されているものは、内枠の相対向する二側方の枠片の下端側の外表面に設けられている回転軸と、この回転軸に対向する外枠の枠片に設けられた上記回転軸を着脱自在に枢支する軸受とからなる天井点検口の軸受構造において、上記軸受は、内枠に設けた回転軸を導入する拡開状の開口端部と、該開口端部に連続して、その内壁面を円弧状面とする案内溝と、該案内溝に連続して設けられたその底壁部に形成される上記回転軸を枢支する枢支部とよりなる軸嵌入溝を有し、上記開口端部と案内溝および案内溝と枢支部との間にはその内壁部分を膨出して回転軸の軸径よりもわずかに小ならしめる狭窄部を形成してなるものである。
特公平２−５５５８５号公報 As a conventional ceiling inspection port, what is indicated by patent documents 1, for example is known. What is disclosed in this Patent Document 1 is a rotating shaft provided on an outer surface on the lower end side of two opposite side frame pieces of the inner frame, and a frame piece of the outer frame facing the rotating shaft. A ceiling inspection port bearing structure comprising a bearing that removably supports the rotary shaft provided on the inner frame, the bearing includes an open end portion that opens the rotary shaft provided on an inner frame, and A guide groove having an arcuate inner wall surface continuous to the opening end portion, and a pivot portion pivotally supporting the rotation shaft formed on the bottom wall portion provided continuously to the guide groove. A narrowing portion is formed between the opening end portion and the guide groove and between the guide groove and the pivot portion so that the inner wall portion bulges and is slightly smaller than the shaft diameter of the rotary shaft. It will be.
Japanese Patent Publication No. 2-55585

上記従来の特許文献１に開示されている天井点検口の構成では、内枠の相対向する二側方の枠片の下端側の外表面に回転軸を取り付ける構成となっており、内枠に軸を取り付けるのに手間がかかり、コストアップに繋がるという問題があった。   In the configuration of the ceiling inspection port disclosed in the above-mentioned conventional Patent Document 1, the rotary shaft is attached to the outer surface on the lower end side of the two opposite frame pieces of the inner frame, There was a problem that it took time to install the shaft, which led to an increase in cost.

本発明の目的は、このような課題を解決するものであり、内枠に軸を取り付ける場合に比べて施工を楽に行なえ、コストダウンを図るようにすることにある。   An object of the present invention is to solve such a problem, and is to make construction easier and reduce costs compared to the case where a shaft is attached to an inner frame.

本発明の請求項１に記載の天井点検口は、天井板の開口部に嵌められて建物側に固定される外枠と、この外枠の内部空間を開閉する内枠とを備え、前記外枠の１組の対向する立ち上がり壁と内枠の１組の対向する立ち上がり壁とを、外枠の１組の対向する立ち上がり壁の内面に取り付けた回転受け部材と内枠の１組の対向する立ち上がり壁の外面に突出するように内枠のコーナー接続金具に一体に設けた回転部材により接続してなることを特徴とする。   A ceiling inspection port according to claim 1 of the present invention includes an outer frame that is fitted to an opening of a ceiling plate and is fixed to a building, and an inner frame that opens and closes an internal space of the outer frame, A pair of inner frame faces a rotation receiving member in which one set of opposed rising walls of the frame and one set of opposed rising walls of the inner frame are attached to the inner surface of one set of opposed rising walls of the outer frame. It is characterized in that it is connected by a rotating member provided integrally with the corner connecting bracket of the inner frame so as to protrude from the outer surface of the rising wall.

請求項２に記載の天井点検口は、回転受け部材には内枠の１組の対向する立ち上がり壁の外面に対向する面側における一側部の上端近傍に横向きの通路が形成され、この通路に繋がって下端が通路よりも下側に位置するように回転部材を受ける凹部が形成され、内枠のコーナー接続金具に一体に設けた回転部材は内枠が開いた状態において水平状態となって高さの低いＵ字状に形成されており、この回転部材が水平状態でのみ前記通路を通過可能に構成されていることを特徴とする。   In the ceiling inspection port according to claim 2, a lateral passage is formed in the rotation receiving member in the vicinity of the upper end of one side portion on the surface side facing the outer surface of a pair of opposed rising walls of the inner frame. A recess is formed to receive the rotating member so that the lower end is positioned below the passage, and the rotating member provided integrally with the corner connecting bracket of the inner frame is in a horizontal state when the inner frame is opened. The rotating member is formed in a U-shape having a low height, and is configured to be able to pass through the passage only in a horizontal state.

以上のように、本発明の天井点検口は、内枠には別途軸を用意して取り付ける必要がなく、コーナー接続金具に一体に設けた回転部材を用いて外枠側の回転受け部材にセットすることにより、外枠に対し内枠は回動自在となり、内枠に別途用意した軸を取り付ける場合に比べて施工を楽に行なえ、コストダウンを図ることができる。   As described above, the ceiling inspection port according to the present invention does not require a separate shaft to be attached to the inner frame, and is set on the outer frame side rotation receiving member using the rotating member provided integrally with the corner connecting bracket. By doing so, the inner frame can be rotated with respect to the outer frame, and the construction can be performed easily and cost can be reduced as compared with the case where a separately prepared shaft is attached to the inner frame.

以下、本発明の一実施の形態を、図１〜図１０に基づいて説明する。
図において、１は天井板２の開口部２ａに嵌められて建物側に固定されるアルミニウム製のほぼ逆Ｔ字状の外枠で、この外枠１の内部空間を開閉するようにアルミニウム製のほぼ逆Ｔ字状の内枠３が設けられている。そして、この内枠３を外枠１に対して回動可能に支持するために外枠１の１組の対向する立ち上がり壁４，４と内枠３の１組の対向する立ち上がり壁５，５とを、外枠１の１組の対向する立ち上がり壁４，４の内面に取り付けた合成樹脂製の回転受け部材６と内枠３の１組の対向する立ち上がり壁５，５の外面に突出するように内枠３のコーナー接続金具７に一体に設けた回転部材８により接続している。 Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
In the figure, reference numeral 1 denotes an aluminum substantially inverted T-shaped outer frame that is fitted to the opening 2a of the ceiling board 2 and is fixed to the building side, and is made of aluminum so as to open and close the inner space of the outer frame 1. A substantially inverted T-shaped inner frame 3 is provided. In order to rotatably support the inner frame 3 with respect to the outer frame 1, a pair of opposed rising walls 4, 4 of the outer frame 1 and a pair of opposed rising walls 5, 5 of the inner frame 3. Projecting from the synthetic resin rotation receiving member 6 attached to the inner surface of the pair of opposed rising walls 4, 4 of the outer frame 1 and the outer surface of the pair of opposed rising walls 5, 5 of the inner frame 3. In this way, the connecting member 7 is connected to the corner fitting 7 of the inner frame 3 by a rotating member 8 provided integrally therewith.

この外枠１に対する内枠３の回動支持部について詳細に説明すると、外枠１の１組の対向する立ち上がり壁４，４の内面に取り付けられる前記回転受け部材６は内枠３の１組の対向する立ち上がり壁５，５の外面に対向する面側における一側部の上端近傍に横向きの通路９が形成され、この通路９に繋がって下端が通路９よりも下側に位置するように前記回転部材８を受ける凹部１０が形成されている。なお、通路９の一端は回転受け部材６の一側部側に開口し、通路９の他端が凹部１０に繋がっている。このように通路９および凹部１０が形成された面とは反対側の回転受け部材６の面には回転受け部材６を外枠１の立ち上がり壁４に取り付けるための爪片１１が複数個突出して設けられており、この爪片１１を外枠１の立ち上がり壁４に形成した孔部１２に差し込みスライド係合させることにより回転受け部材６は外枠１の立ち上がり壁４に取り付けられることになる。次に、前記内枠３の１組の対向する立ち上がり壁５，５の外面に突出するように内枠３のコーナー接続金具７に一体に設けた回転部材８は内枠３が開いた状態において水平状態となって高さの低いＵ字状に形成されており、内枠３が閉じた状態において横向きとなるように構成されている。この回転部材８は内枠３を開いた状態の角度で前記回転受け部材６の通路９を通って凹部１０内に挿入されて凹部１０の底部で受けられ、かかる状態で内枠３を開閉方向に回動させることができる。外枠１に対し内枠３が閉じたときは回転部材８は横向きとなって上端に位置する一端８ａが凹部１０の内端の段部１０ａの側面に当接し、外枠１に対し内枠３が鉛直状態の開き角度よりもさらに大きく開いたときは回転部材８は水平状態よりもさらに傾き、他端８ｂが凹部１０の内端の段部１０ａの下面に当接し、内枠３のさらなる回動を止めるように構成されている。以上のように内枠３側の回転部材８を外枠１側の回転受け部材６の凹部１０内に位置させることにより内枠３は外枠１に対し回動自在となるのであるが、回転受け部材６ならびに回転部材８の取り付け位置は外枠１の１組の対向する立ち上がり壁４，４ならびに内枠３の１組の対向する立ち上がり壁５，５の一端近傍部に設定される。   The rotation support portion of the inner frame 3 with respect to the outer frame 1 will be described in detail. The rotation receiving member 6 attached to the inner surfaces of a pair of opposed rising walls 4, 4 of the outer frame 1 is one set of the inner frame 3. A lateral passage 9 is formed in the vicinity of the upper end of one side of the surface facing the outer surface of the opposing rising walls 5, 5, and the lower end is connected to this passage 9 and located below the passage 9. A recess 10 for receiving the rotating member 8 is formed. One end of the passage 9 opens to one side of the rotation receiving member 6, and the other end of the passage 9 is connected to the recess 10. Thus, a plurality of claw pieces 11 for attaching the rotation receiving member 6 to the rising wall 4 of the outer frame 1 protrude from the surface of the rotation receiving member 6 opposite to the surface on which the passage 9 and the recess 10 are formed. The rotation receiving member 6 is attached to the rising wall 4 of the outer frame 1 by inserting the claw piece 11 into the hole 12 formed in the rising wall 4 of the outer frame 1 and engaging the claw piece 11 with the sliding engagement. Next, the rotating member 8 provided integrally with the corner connecting bracket 7 of the inner frame 3 so as to protrude from the outer surface of the pair of opposed rising walls 5 and 5 of the inner frame 3 is in a state where the inner frame 3 is opened. It is formed in a U-shape having a low height in a horizontal state, and is configured to face sideways when the inner frame 3 is closed. The rotation member 8 is inserted into the recess 10 through the passage 9 of the rotation receiving member 6 at an angle with the inner frame 3 opened, and is received at the bottom of the recess 10. In this state, the inner frame 3 is opened and closed. Can be rotated. When the inner frame 3 is closed with respect to the outer frame 1, the rotating member 8 faces sideways and one end 8 a located at the upper end contacts the side surface of the step portion 10 a at the inner end of the recess 10. When the opening 3 is further larger than the opening angle in the vertical state, the rotating member 8 is further inclined than in the horizontal state, and the other end 8b comes into contact with the lower surface of the step portion 10a at the inner end of the recess 10 to further increase the inner frame 3. It is comprised so that rotation may be stopped. As described above, the inner frame 3 is rotatable with respect to the outer frame 1 by positioning the rotating member 8 on the inner frame 3 side in the recess 10 of the rotation receiving member 6 on the outer frame 1 side. The mounting positions of the receiving member 6 and the rotating member 8 are set in the vicinity of one end of the pair of opposed rising walls 4, 4 of the outer frame 1 and the pair of opposed rising walls 5, 5 of the inner frame 3.

なお図中、１３は前記内枠３の内側下端の板部３ａ上に載り内枠３に固定される蓋材で、前記天井板２と同じ材料で作られている。ところで、図面では示されていないが、外枠１に対し内枠３を閉じた状態で保持するためのロック手段が設けられており、このロック手段を解除することによって外枠１に対し内枠３は開閉自在となる。   In the figure, reference numeral 13 denotes a lid member which is placed on the inner lower end plate portion 3 a of the inner frame 3 and fixed to the inner frame 3, and is made of the same material as the ceiling plate 2. By the way, although not shown in the drawings, locking means for holding the inner frame 3 in a closed state with respect to the outer frame 1 is provided, and by releasing the locking means, the inner frame with respect to the outer frame 1 is provided. 3 is openable and closable.

上記構成において、内枠３を外枠１に回動可能に支持するときは、天井板２の開口部２ａに嵌められて建物側に固定された外枠１に対し、内枠３を開いた状態の角度で内枠３のコーナー接続金具７に一体に設けられて内枠３の両側に位置する前記回転部材８を外枠１側に取り付けられた前記回転受け部材６の通路９より凹部１０内に挿入し、凹部１０の底部で受ける。これにより、内枠３には別途軸部を用意する必要がなく、コーナー接続金具７に一体に設けた回転部材８を用いて回転受け部材６にセットすることにより、作業効率を向上させ、コストダウンを図ることができる。   In the above configuration, when the inner frame 3 is rotatably supported by the outer frame 1, the inner frame 3 is opened with respect to the outer frame 1 that is fitted in the opening 2a of the ceiling plate 2 and fixed to the building side. The rotating member 8 provided integrally with the corner connecting bracket 7 of the inner frame 3 at the angle of the state and positioned on both sides of the inner frame 3 is recessed from the passage 9 of the rotating receiving member 6 attached to the outer frame 1 side. It is inserted in and received at the bottom of the recess 10. Thus, it is not necessary to prepare a separate shaft portion for the inner frame 3, and the working efficiency is improved by setting the rotating receiving member 6 using the rotating member 8 provided integrally with the corner connection fitting 7. You can go down.

本発明の一実施の形態における天井点検口の分解斜視図である。It is a disassembled perspective view of the ceiling inspection port in one embodiment of the present invention. 同天井点検口の外枠側に取り付けられる回転受け部材の一方の面側から見た斜視図である。It is the perspective view seen from the one surface side of the rotation receiving member attached to the outer frame side of the ceiling inspection port. 同天井点検口の外枠側に取り付けられる回転受け部材の他方の面側から見た斜視図である。It is the perspective view seen from the other surface side of the rotation receiving member attached to the outer frame side of the ceiling inspection port. 同天井点検口の内枠側に取り付けられるコーナー接続金具の斜視図である。It is a perspective view of the corner connection metal fitting attached to the inner frame side of the ceiling inspection port. 同外枠に対する回転受け部材の取り付け部を一方の面側から見た斜視図である。It is the perspective view which looked at the attachment part of the rotation receiving member with respect to the outer frame from the one surface side. 同外枠に対する回転受け部材の取り付け部を他方の面側から見た斜視図である。It is the perspective view which looked at the attachment part of the rotation receiving member with respect to the outer frame from the other surface side. 同内枠に対するコーナー接続金具の取り付け部の斜視図である。It is a perspective view of the attachment part of the corner connection metal fitting with respect to the inner frame. 天井板に取り付けられた天井点検口の断面図である。It is sectional drawing of the ceiling inspection opening attached to the ceiling board. （Ａ）〜（Ｃ）は外枠側の回転受け部材に内枠側の回転部材を挿入する状態を示す拡大説明図である。(A)-(C) are expansion explanatory drawings which show the state which inserts the rotation member by the side of an inner frame in the rotation receiving member by the side of an outer frame. （Ａ）〜（Ｃ）は内枠の開閉動作時における回転受け部材と回転部材との位置関係を示す拡大説明図である。(A)-(C) are expansion explanatory drawings which show the positional relationship of the rotation receiving member and rotation member at the time of the opening / closing operation | movement of an inner frame.

符号の説明Explanation of symbols

１ 外枠
２ 天井板
２ａ 開口部
３ 内枠
３ａ 板部
４ 立ち上がり壁
５ 立ち上がり壁
６ 回転受け部材
７ コーナー接続金具
８ 回転部材
８ａ 一端
８ｂ 他端
９ 通路
１０ 凹部
１０ａ 段部
１１ 爪片
１２ 孔部
１３ 蓋材 DESCRIPTION OF SYMBOLS 1 Outer frame 2 Ceiling board 2a Opening part 3 Inner frame 3a Board part 4 Standing wall 5 Standing wall 6 Rotation receiving member 7 Corner connection metal fitting 8 Rotating member 8a One end 8b Other end 9 Passage 10 Recessed part 10a Step part 11 Claw piece 12 Hole part 13 Lid

Claims (2)

天井板の開口部に嵌められて建物側に固定される外枠と、この外枠の内部空間を開閉する内枠とを備え、前記外枠の１組の対向する立ち上がり壁と内枠の１組の対向する立ち上がり壁とを、外枠の１組の対向する立ち上がり壁の内面に取り付けた回転受け部材と内枠の１組の対向する立ち上がり壁の外面に突出するように内枠のコーナー接続金具に一体に設けた回転部材により接続してなることを特徴とする天井点検口。 An outer frame that is fitted to the opening of the ceiling plate and is fixed to the building side, and an inner frame that opens and closes the inner space of the outer frame, and a pair of opposed rising walls of the outer frame and one of the inner frames A corner connection of the inner frame so that the opposing rising wall of the set protrudes from the outer surface of the opposing rising wall of the inner frame and a rotation receiving member attached to the inner surface of the opposing rising wall of the outer frame. A ceiling inspection port characterized by being connected by a rotating member provided integrally with a metal fitting. 回転受け部材には内枠の１組の対向する立ち上がり壁の外面に対向する面側における一側部の上端近傍に横向きの通路が形成され、この通路に繋がって下端が通路よりも下側に位置するように回転部材を受ける凹部が形成され、内枠のコーナー接続金具に一体に設けた回転部材は内枠が開いた状態において水平状態となって高さの低いＵ字状に形成されており、この回転部材が水平状態でのみ前記通路を通過可能に構成されていることを特徴とする請求項１記載の天井点検口。 In the rotation receiving member, a lateral passage is formed in the vicinity of the upper end of one side portion on the side of the inner frame facing the outer surface of the pair of opposed rising walls, and the lower end is connected to the lower side of the passage below the passage. A recessed portion for receiving the rotating member is formed so as to be positioned, and the rotating member provided integrally with the corner connecting fitting of the inner frame is formed in a U-shape having a low height in a horizontal state when the inner frame is opened. The ceiling inspection port according to claim 1, wherein the rotating member is configured to be able to pass through the passage only in a horizontal state.
JP2003412643A 2003-12-11 2003-12-11 Inspection hole of ceiling Pending JP2005171614A (en)

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JP2003412643A JP2005171614A (en) 2003-12-11 2003-12-11 Inspection hole of ceiling

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JP2003412643A JP2005171614A (en) 2003-12-11 2003-12-11 Inspection hole of ceiling

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013040540A (en) * 2011-08-11 2013-02-28 Nakazawa Chuzo Hanbai Kk Ceiling inspection port frame
CN104791654A (en) * 2014-01-21 2015-07-22 Bjb两合公司 Light fixture and lamp, and support on light fixture, and support element on lamp, and lamp holder and lamp socket

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013040540A (en) * 2011-08-11 2013-02-28 Nakazawa Chuzo Hanbai Kk Ceiling inspection port frame
CN104791654A (en) * 2014-01-21 2015-07-22 Bjb两合公司 Light fixture and lamp, and support on light fixture, and support element on lamp, and lamp holder and lamp socket
JP2015138783A (en) * 2014-01-21 2015-07-30 ベーヨツトベー・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシヤフトＢＪＢ ＧｍｂＨ ＆ Ｃｏ． ＫＧ Light fixture, lamp, support at light fixture, support element at lamp, and lamp holder and lamp socket
US9482392B2 (en) 2014-01-21 2016-11-01 Bjb Gmbh & Co. Kg Light fixture and lamp and support at the light fixture and support element at the lamp and lamp holder and lamp socket

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