JP3241834B2 - Floor inspection port lid device - Google Patents
Floor inspection port lid deviceInfo
- Publication number
- JP3241834B2 JP3241834B2 JP32243792A JP32243792A JP3241834B2 JP 3241834 B2 JP3241834 B2 JP 3241834B2 JP 32243792 A JP32243792 A JP 32243792A JP 32243792 A JP32243792 A JP 32243792A JP 3241834 B2 JP3241834 B2 JP 3241834B2
- Authority
- JP
- Japan
- Prior art keywords
- lid
- floor
- opening
- fireproof
- side portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Building Environments (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、建造物等の床に設けら
れる点検口用の蓋装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover for an inspection port provided on a floor of a building or the like.
【0002】[0002]
【従来の技術】建造物等の床下には電線,通信ケーブル
や、上下水道管,ガス管,冷暖房用の給排水管等が配設
され、これらに付設される各種メーターやバルブは、床
に開口した点検口内に配置されるが、該点検口に蓋を被
着して遮蔽するために床点検口用蓋装置が使用される。2. Description of the Related Art Electric wires, communication cables, water and sewage pipes, gas pipes, water supply and drain pipes for cooling and heating, and the like are provided under the floor of a building or the like, and various meters and valves attached to these are opened on the floor. A floor inspection port lid device is used to cover the inspection port with a cover.
【0003】かかる床点検口用蓋装置は、上面を開放す
る浅底箱形に形成され、その内部に周囲の床と同一の床
材を充填して上面を仕上げた蓋体と、床に開口した点検
口の内周面に固着された断面L形の受枠とからなり、該
受枠に嵌装した蓋体を、断面L形の受枠のその水平縁に
よって支承させることにより、該蓋体を前記点検口に床
面と同一高さで着脱自在に被着できるように構成されて
いる。[0003] Such a floor inspection opening lid device is formed in a shallow-bottom box shape having an open top surface, the inside of which is filled with the same floor material as the surrounding floor, and the top surface of which is finished, and an opening on the floor. A receiving frame having an L-shaped cross section fixed to the inner peripheral surface of the inspection port, and the lid fitted to the receiving frame is supported by the horizontal edge of the receiving frame having the L-shaped cross section. It is configured so that it can be detachably attached to the inspection opening at the same height as the floor surface.
【0004】[0004]
【発明が解決しようとする課題】ところで、一般の耐火
建築物では、火災時における建物内部の延焼防止のため
に、一定面積ごとに耐火構造の床,壁または防火戸によ
って防火区画を設けることが法令によって定められてい
る。そこで、前記防火区画を構成する床に設置される床
点検口用蓋装置も、床の耐火構造に合う耐火性を具備し
ていることが望ましいのであるが、床点検口用蓋装置に
ついては耐火性能の法的規定がないこともあって、従来
は耐火型の床点検口用蓋装置がなく、その開発,普及が
要望されていた。本発明はかかる要望に応えるためにな
されたものであって、耐火型の床点検口用蓋装置を提供
することを目的とするものである。Incidentally, in a general fire-resistant building, in order to prevent the fire from spreading inside the building in the event of a fire, it is necessary to provide a fire-prevention section with a floor, wall or fire door of a fire-resistant structure for each fixed area. Regulated by law. Therefore, it is preferable that the floor inspection port cover device installed on the floor constituting the fire protection compartment also has fire resistance matching the fire resistance structure of the floor. Because there is no legal regulation on performance, there has been no fire-resistant floor inspection port lid device, and its development and spread have been demanded. The present invention has been made in order to meet such a demand, and an object of the present invention is to provide a fireproof type floor inspection opening cover device.
【0005】[0005]
【課題を解決するための手段】本発明は、床開口部の内
周面に周設される立上り辺部と、該立上り辺部の下縁か
ら内方に直角状に突成された蓋受辺部とからなる受枠
と、前記受枠に被着され、前記蓋受辺部に支承される蓋
体とを備えた床点検口用蓋装置において、前記蓋受辺部
に着脱自在に支承される乗載鍔部を備えたフレームに、
床開口部を遮蔽する耐火材を取付けて耐火アタッチメン
トを構成し、該耐火アタッチメントの乗載鍔部を前記蓋
受辺部に乗載してその上方から蓋体を被着することによ
り、前記耐火材を蓋体の下方に配設したことを特徴とす
るものである。According to the present invention, there is provided a rising edge portion provided on an inner peripheral surface of a floor opening, and a lid support projecting inward at right angles from a lower edge of the rising edge portion. In a floor inspection port cover device including a receiving frame including a side portion and a lid attached to the receiving frame and supported by the lid receiving side portion, the floor inspection port is detachably supported by the lid receiving side portion. On a frame with a mounting collar,
A fireproof attachment is configured by attaching a fireproof material that shields the floor opening, and the mounting flange of the fireproof attachment is mounted on the cover receiving side portion and the cover is attached from above the fireproof attachment. The material is disposed below the lid.
【0006】[0006]
【作用】蓋体の下方に配設した耐火アタッチメントの耐
火材の断熱作用及び不燃作用によって、床点検口用蓋装
置に耐火性が付与される。The fire resistance of the fireproof material of the fireproof attachment provided below the lid provides fire resistance to the floor inspection opening cover device.
【0007】[0007]
【実施例】本発明の一実施例を、図1〜3について説明
する。1は点検口として床2に開口された方形の開口部
であり、該開口部1の上方には床点検口用蓋装置3の受
枠4が配設される。該受枠4は前記開口部1の内周面に
周設される方形の立上り辺部5と、該立上り辺部5の下
縁から内方に直角状に突成された蓋受辺部6とによって
形成される。An embodiment of the present invention will be described with reference to FIGS. Reference numeral 1 denotes a rectangular opening formed on the floor 2 as an inspection port. Above the opening 1, a receiving frame 4 of a floor inspection port cover device 3 is provided. The receiving frame 4 includes a rectangular rising edge 5 provided on the inner peripheral surface of the opening 1, and a lid receiving edge 6 projecting inward at right angles from the lower edge of the rising edge 5. Formed by
【0008】一方、床点検口用蓋装置3の蓋体8は、周
側板10と底板11とからなる上面開放の浅底箱形の蓋
枠9内に、前記開口部1の周囲の床2と同一のモルタル
等の床材12を充填して形成されており、該蓋体8を前
記受枠4に嵌装してその底部を蓋受辺部6上に支承させ
ることにより、前記開口部1の上方に着脱自在に被着す
ることができるように設けられる。On the other hand, the lid 8 of the floor inspection opening lid device 3 is placed in a shallow box-shaped lid frame 9 having an open top surface composed of a peripheral side plate 10 and a bottom plate 11, and a floor 2 surrounding the opening 1. The cover 1 is formed by filling a floor material 12 such as mortar or the like, and the cover 8 is fitted into the receiving frame 4 and the bottom thereof is supported on the cover receiving side 6 to thereby form the opening 1. It is provided so that it can be detachably attached to the upper part of.
【0009】7は蓋体8の下方に配設されて開口部1を
遮蔽する耐火アタッチメントであって、該耐火アタッチ
メント7を構成するフレーム13は上下方向に適宜の幅
を有する方形の周側辺部13aと、該周側辺部13aの
上縁から外方に直角状に突成された乗載鍔部13bとに
より形成される。該フレーム13にはアルミナ―シリカ
系繊維を成形したセラミックファイバーブランケット等
からなる耐火材14が取付けられる。即ち、該耐火材1
4は前記周側辺部13aで囲われた方形の底面を覆った
状態でその周縁を周側辺部13aの外周面に固着するこ
とにより取付けられる。また、周側辺部13aの外周面
に位置する耐火材14が、段部を介して小口径となる開
口部1の内壁面1’に圧接するように、前記周側辺部1
3aは前記内壁面1’に所定の間隔で対向する大きさに
形成される。また、周側辺部13aの内周面にはアタッ
チメント7の取り扱いを容易にする左右一対の把手2
1、21が設けられる。そして、周側辺部13aの外周
面の耐火材14を内壁面1’に圧接させた状態で、周側
辺部13aを開口部1に嵌挿し、前記乗載鍔部13bを
パッキン20を介して蓋受辺部6上に支承することによ
り、耐火アタッチメント7を蓋受辺部6によって着脱自
在に保持することができるように設けられる。Reference numeral 7 denotes a refractory attachment that is disposed below the lid 8 and shields the opening 1. A frame 13 that constitutes the refractory attachment 7 has a square peripheral side having an appropriate width in the vertical direction. It is formed by a portion 13a and a mounting flange portion 13b protruding outward at right angles from the upper edge of the peripheral side portion 13a. The frame 13 is provided with a refractory material 14 such as a ceramic fiber blanket formed of alumina-silica fiber. That is, the refractory material 1
Reference numeral 4 is attached by covering the rectangular bottom surface surrounded by the peripheral side portion 13a and fixing the peripheral edge to the outer peripheral surface of the peripheral side portion 13a. Further, the peripheral side portion 1 is so arranged that the refractory material 14 located on the outer peripheral surface of the peripheral side portion 13a is pressed into contact with the inner wall surface 1 'of the opening portion 1 having a small diameter via the step portion.
3a is formed in a size facing the inner wall surface 1 'at a predetermined interval. A pair of left and right handles 2 for facilitating the handling of the attachment 7 is provided on the inner peripheral surface of the peripheral side portion 13a.
1 and 21 are provided. Then, with the refractory material 14 on the outer peripheral surface of the peripheral side portion 13a pressed against the inner wall surface 1 ', the peripheral side portion 13a is fitted into the opening 1, and the mounting flange portion 13b is inserted through the packing 20. The refractory attachment 7 is provided such that the refractory attachment 7 can be detachably held by the lid receiving side 6 by supporting the lid on the lid receiving side 6.
【0010】また、前記蓋体8の各角部には固定ボルト
15が上方から挿通され、該固定ボルト15の下端を蓋
受辺部6の下面に固着した袋ナット16に螺着させるこ
とにより、蓋体8及び耐火アタッチメント7を受枠4に
固定するようにしている。固定ボルト15の挿通孔17
の上部に配設されたコーナー板18には前記挿通孔17
を塞ぐプラグ19が螺合されおり、このプラグ孔は蓋体
8を受枠4から取外す時に工具を係合する孔としても用
いられる。A fixing bolt 15 is inserted into each corner of the lid 8 from above, and the lower end of the fixing bolt 15 is screwed to a cap nut 16 fixed to the lower surface of the lid receiving edge 6. The lid 8 and the refractory attachment 7 are fixed to the receiving frame 4. Insertion hole 17 for fixing bolt 15
In the corner plate 18 disposed on the upper part of the
The plug hole is also used as a hole for engaging a tool when the cover 8 is removed from the receiving frame 4.
【0011】かかる構成において、図1に示す蓋体8の
被着状態にあっては、該蓋体8の下方に配設された耐火
アタッチメント7の耐火材14が開口部1を遮蔽してい
ることにより、建物の火災時に、前記耐火材14の断熱
作用及び不燃作用によって床点検口用蓋装置3に耐火性
が付与され、その延焼を防止することができる。In such a configuration, when the lid 8 is attached as shown in FIG. 1, the refractory material 14 of the refractory attachment 7 disposed below the lid 8 shields the opening 1. Thus, at the time of a fire in the building, fire resistance is imparted to the floor inspection opening cover device 3 by the heat insulating and non-combustible effects of the refractory material 14, and the fire can be prevented from spreading.
【0012】一方、床下の各種メーターやバルブ等の点
検時に、床点検口用蓋装置3を開口するには、蓋体8の
プラグ19及び固定ボルト15を緩めて取外した後、前
記プラグ孔に適宜の工具を係合して引き上げることによ
り、まず蓋体8が取外される。次いでフレーム13の周
側辺部13aに設けられた把手21、21を持って引き
上げることにより、耐火アタッチメント7が取外され、
図3に示すように、床点検口用蓋装置3を開口すること
ができる。また、床点検口用蓋装置3を閉めるには前記
と逆の手順の操作を行えば良い。On the other hand, in order to open the floor inspection opening cover device 3 when checking various meters and valves under the floor, the plug 19 and the fixing bolt 15 of the cover 8 are loosened and removed, and then the plug hole is inserted into the plug hole. The lid 8 is first removed by engaging and pulling up a suitable tool. Next, the handlebars 21 provided on the peripheral side portion 13a of the frame 13 are lifted up to remove the refractory attachment 7,
As shown in FIG. 3, the floor inspection opening cover device 3 can be opened. In order to close the floor inspection opening cover device 3, an operation in a procedure reverse to the above may be performed.
【0013】[0013]
【発明の効果】本発明は上述のように、蓋体の下方に、
床開口部を遮蔽する耐火材を取付けた耐火アタッチメン
トを配設したから、該耐火材の断熱作用及び不燃作用に
よって、床点検口用蓋装置に耐火性が付与され、これに
より耐火型の床点検口用蓋装置を得ることが可能となっ
た。According to the present invention, as described above, below the lid,
Since the fireproof attachment having the fireproof material for shielding the floor opening is provided, the fireproof material is provided with fireproof property by the heat insulating and nonflammable action of the fireproof material, thereby providing fireproof type floor check. It has become possible to obtain a mouth lid device.
【0014】また、本発明にあっては、蓋受辺部に着脱
自在に支承される乗載鍔部を備えたフレームに耐火材を
取付けてなる耐火アタッチメントを蓋体と別体に構成
し、該耐火アタッチメントを受枠の蓋受辺部に着脱自在
に支承して蓋体の下方に配設するようにしたから、従来
の床点検口用蓋装置の蓋体及び受枠の構成を何等変更す
ることなく耐火型の床点検口用蓋装置を得ることがで
き、また、構造が簡単であるため製造コストが安価であ
り、さらにその着脱も簡単に行うことができる等の優れ
た効果がある。According to the present invention, a refractory attachment comprising a refractory material mounted on a frame having a mounting flange portion detachably supported on the lid receiving side portion is formed separately from the lid body. Since the refractory attachment is removably supported on the lid receiving side of the receiving frame and is disposed below the lid, the configuration of the lid and the receiving frame of the conventional floor inspection opening lid device is not changed at all. It is possible to obtain a fire-resistant floor inspection port lid device without any problems, and it has excellent effects such as a simple structure, a low manufacturing cost, and easy attachment and detachment.
【図1】本発明実施例の蓋体の被着状態を示す縦断側面
図である。FIG. 1 is a longitudinal sectional side view showing an attached state of a lid according to an embodiment of the present invention.
【図2】同上の平面図である。FIG. 2 is a plan view of the same.
【図3】同上の分解縦断側面図である。FIG. 3 is an exploded vertical sectional side view of the same.
1 開口部 3 床点検口用蓋装置 4 受枠 5 立上り辺部 6 蓋受辺部 7 耐火アタッチメント 8 蓋体 13 フレーム 13b 乗載鍔部 14 耐火材 REFERENCE SIGNS LIST 1 opening 3 floor inspection opening lid device 4 receiving frame 5 rising edge 6 lid receiving edge 7 fireproof attachment 8 lid 13 frame 13b mounting flange 14 fireproof material
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) E04F 19/08 101 E04B 1/94 E02D 29/14 ──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. 7 , DB name) E04F 19/08 101 E04B 1/94 E02D 29/14
Claims (1)
部と、該立上り辺部の下縁から内方に直角状に突成され
た蓋受辺部とからなる受枠と、 前記受枠に被着され、前記蓋受辺部に支承される蓋体と
を備えた床点検口用蓋装置において、 前記蓋受辺部に着脱自在に支承される乗載鍔部を備えた
フレームに、床開口部を遮蔽する耐火材を取付けて耐火
アタッチメントを構成し、該耐火アタッチメントの乗載
鍔部を前記蓋受辺部に乗載してその上方から蓋体を被着
することにより、前記耐火材を蓋体の下方に配設したこ
とを特徴とする床点検口用蓋装置。1. A receiving frame comprising: a rising edge portion provided on an inner peripheral surface of a floor opening; and a lid receiving edge portion projecting inward at right angles from a lower edge of the rising edge portion. A lid device for a floor inspection opening, comprising: a lid attached to the receiving frame and supported by the lid receiving side portion; a frame including a mounting flange portion detachably supported on the lid receiving side portion. By attaching a fireproof material that shields the floor opening to form a fireproof attachment, mounting the mounting flange portion of the fireproof attachment on the lid receiving side portion, and attaching the lid from above, A floor inspection opening lid device, wherein the refractory material is disposed below a lid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32243792A JP3241834B2 (en) | 1992-11-06 | 1992-11-06 | Floor inspection port lid device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32243792A JP3241834B2 (en) | 1992-11-06 | 1992-11-06 | Floor inspection port lid device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06146317A JPH06146317A (en) | 1994-05-27 |
JP3241834B2 true JP3241834B2 (en) | 2001-12-25 |
Family
ID=18143668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32243792A Expired - Fee Related JP3241834B2 (en) | 1992-11-06 | 1992-11-06 | Floor inspection port lid device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3241834B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104612185A (en) * | 2015-01-14 | 2015-05-13 | 成都绿迪科技有限公司 | Underground inspection well cover |
JP2018150677A (en) * | 2017-03-10 | 2018-09-27 | 株式会社ダイケン | Inspection port for wood deck |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2895425B1 (en) * | 2005-12-22 | 2010-03-12 | Norinco | FIREWALL ROAD EQUIPMENT. |
-
1992
- 1992-11-06 JP JP32243792A patent/JP3241834B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104612185A (en) * | 2015-01-14 | 2015-05-13 | 成都绿迪科技有限公司 | Underground inspection well cover |
JP2018150677A (en) * | 2017-03-10 | 2018-09-27 | 株式会社ダイケン | Inspection port for wood deck |
JP7061434B2 (en) | 2017-03-10 | 2022-04-28 | 株式会社ダイケン | Inspection port for wooden deck |
Also Published As
Publication number | Publication date |
---|---|
JPH06146317A (en) | 1994-05-27 |
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