JP3435090B2 - Closure support - Google Patents
Closure supportInfo
- Publication number
- JP3435090B2 JP3435090B2 JP04504899A JP4504899A JP3435090B2 JP 3435090 B2 JP3435090 B2 JP 3435090B2 JP 04504899 A JP04504899 A JP 04504899A JP 4504899 A JP4504899 A JP 4504899A JP 3435090 B2 JP3435090 B2 JP 3435090B2
- Authority
- JP
- Japan
- Prior art keywords
- support
- hole
- support tool
- main body
- occluding material
- 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
- Building Environments (AREA)
Description
【0001】[0001]
【発明の属する技術分野】本発明は、構造体(例えば、
床や壁や天井等)の長尺体挿通用貫通孔内で、長尺体
(例えば、空調配管や給排水配管や電線等)の挿通部分
の周囲空間に装填される閉塞材(熱膨張性を有する耐火
パテや、モルタルやコンクリート等)をその装填方向前
方側で受止め支持自在な支持部と、前記貫通孔の開口部
の周囲に係止自在な係止部とを備えた環状の支持具本体
を設けてある閉塞材支持具に関する。TECHNICAL FIELD The present invention relates to a structure (for example,
An obstruction material (having a thermal expansion property) that is loaded into the space around the insertion portion of the long body (for example, air conditioning pipe, water supply / drainage pipe, electric wire, etc.) in the long body insertion through hole of the floor, wall, ceiling, etc. An annular support body having a support part capable of receiving and supporting fire-resistant putty, mortar, concrete, etc. on the front side in the loading direction and a locking part capable of locking around the opening of the through hole. The present invention relates to an occluding member support tool.
【0002】[0002]
【従来の技術】従来、この種の閉塞材支持具としては、
図8に示すように、前記貫通孔H内に予め長尺体Pが挿
通設置されているような場合でも、当該閉塞材支持具3
0を後から設置できるように、支持具本体31を周方向
に沿って二分割に構成したものがあり、前記貫通孔Hの
上方で、長尺体Pを両側方から挟むように前記支持具本
体31の各分割本体31A・31Bどうしを合わせて連
結し、その状態で前記支持部7が貫通孔H内に入るよう
に支持具本体31を貫通孔H軸芯方向にずらして、前記
係止部9を貫通孔Hの開口部8の周囲に係止させること
で設置するものであった。2. Description of the Related Art Conventionally, as this kind of occluding material support,
As shown in FIG. 8, even when the elongated body P is inserted and installed in the through hole H in advance, the occluding material support tool 3 is provided.
There is one in which the support main body 31 is divided into two along the circumferential direction so that 0 can be installed later, and the support is provided so as to sandwich the elongated body P from both sides above the through hole H. The divided main bodies 31A and 31B of the main body 31 are connected together, and the support main body 31 is shifted in the axial direction of the through hole H so that the support portion 7 enters the through hole H in this state, and the locking is performed. The portion 9 is installed by being locked around the opening 8 of the through hole H.
【0003】[0003]
【発明が解決しようとする課題】上述した従来の閉塞材
支持具によれば、設置するのに、上述のとおり貫通孔H
の上方で両分割本体31A・31Bどうしを合わせるわ
けであるから、貫通孔Hの上方には、そのための空間が
必要で、例えば、図9に示すように、前記長尺体Pの周
囲や、開口部8の周囲に障害物(例えば、長尺体の分岐
部や、別の長尺体等)があるような場合、前記両分割本
体31A・31Bを合わせることが困難となり、貫通孔
Hへの設置が困難となる問題がある。また、支持具本体
は別部材の両分割本体をわざわざ連結して形成するわけ
であるから、設置に手間がかかると共に、部品点数が多
く、運搬・保管の取扱が手間であるという問題点があ
る。According to the above-mentioned conventional obturator support, the through hole H is required for installation as described above.
Since the two divided main bodies 31A and 31B are aligned above each other, a space therefor is required above the through hole H. For example, as shown in FIG. When there is an obstacle around the opening 8 (for example, a branch of a long body, another long body, etc.), it becomes difficult to fit the two divided main bodies 31A and 31B to the through hole H. There is a problem that installation becomes difficult. In addition, since the support body is formed by connecting both separate bodies of separate members, it is troublesome to install, and the number of parts is large and handling of transportation and storage is troublesome. .
【0004】従って、本発明の目的は、上記問題点を解
消し、長尺体を貫通させてある貫通孔に後付けするに当
たり、開口部周囲に障害物があっても設置することが可
能で、取付や取扱に手間がかかり難い閉塞材支持具を提
供するところにある。Therefore, the object of the present invention is to solve the above-mentioned problems and to install the elongated body even if there is an obstacle around the opening in retrofitting the elongated body through the through hole. The purpose of the present invention is to provide an occluding material support tool that is easy to install and handle.
【0005】[0005]
【課題を解決するための手段】請求項1の発明の特徴構
成は、図3〜7に例示するごとく、構造体Sの長尺体挿
通用貫通孔H内で、長尺体Pの挿通部分の周囲空間Vに
装填される閉塞材1をその装填方向前方側で受止め支持
自在な支持部7と、前記貫通孔Hの開口部8の周囲に係
止自在な係止部9とを備えた環状の支持具本体Gを設け
てある閉塞材支持具において、前記支持具本体Gを、周
方向に沿って連結された複数の分割部材G1・G2で構
成し、それら分割部材G1・G2の内の少なくとも一つ
の分割部材G2は、前記支持具本体Gの周方向に沿って
引退自在に形成してあるところにある。請求項1の発明
の特徴構成によれば、前記引退自在な分割部材を、支持
具本体の周方向に沿って引退させることによって、環状
の支持具本体Gの一部に切欠き部ができて、支持具本体
をC環状にすることができる。従って、貫通孔への設置
の際に、分割部材を引退させた状態で前記切欠き部に前
記障害物が位置する姿勢に支持具本体を配置して、その
まま貫通孔内へ挿入することが可能となる。そして、貫
通孔内へ挿入した後、前記分割部材を支持具本体Gの周
方向に沿って元に位置に戻す(突出させる)ことによっ
て支持具本体が環状になり、前記閉塞材を前記貫通孔内
の前記支持部によって受け止めることができると共に、
貫通孔の開口部全周の広い範囲に前記係止部が係止する
状態に設置することが可能となる。これは、前記分割部
材の出退方向が、支持具本体の周方向に沿っているか
ら、前記支持部を貫通孔内へ挿入する際や、前記分割部
材を元の位置に戻す際に、貫通孔周壁と前記分割部材と
が干渉し難い状態で実施でき、極めて効率よく設置作業
を実施することが可能となる。例えば、比較例として、
支持具本体を周方向に二つに分割し、それらの分割部材
どうしの一方側の端部どうしをヒンジ連結して、互いに
揺動できるようにしたものを考えたとしても、この場合
は、両分割部材どうしの揺動操作に伴って、貫通孔内に
入れる必要のある各支持部どうしも揺動操作によって広
がり、結果的には、開口部周囲に障害物がある場合には
設置できない。このように、本発明の閉塞材支持具によ
れば、貫通孔の開口部周囲に障害物が存在している場合
であっても、一時的に支持具本体に切欠き部を形成し
て、前記障害物を避けた状態に支持具本体を貫通孔に挿
入でき、挿入した後は切欠き部を塞ぐように支持具本体
を戻し、前記係止部が前記開口部周囲の全周に沿う状態
に設置することが可能となる。従って、前記貫通孔の開
口部周囲の障害物の有無に拘わらず、前記閉塞材を貫通
孔内に支持できる状態に安定的に且つ効率よく設置する
ことが可能となる。The characteristic configuration of the invention of claim 1 is, as illustrated in FIGS. 3 to 7, a portion through which the elongated body P is inserted in the through hole H for inserting the elongated body of the structure S. A support portion 7 that can receive and support the blocking member 1 loaded in the surrounding space V on the front side in the loading direction, and a locking portion 9 that can lock around the opening 8 of the through hole H. In the occluding material support tool provided with the annular support tool body G, the support tool body G is composed of a plurality of divided members G1 and G2 connected in the circumferential direction, and the divided members G1 and G2 are At least one of the divided members G2 is formed to be retractable along the circumferential direction of the support body G. According to the characterizing feature of the invention of claim 1, the notch is formed in a part of the annular support body G by retracting the retractable split member along the circumferential direction of the support body. The support body can be C-shaped. Therefore, at the time of installation in the through hole, it is possible to place the support body in a posture in which the obstacle is located in the cutout portion with the split member retracted, and insert the support body as it is into the through hole. Becomes Then, after being inserted into the through hole, the supporting member main body becomes annular by returning (projecting) the dividing member to the original position along the circumferential direction of the supporting member main body G, and the blocking member is provided with the through hole. It can be received by the support part inside,
It is possible to install in a state where the locking portion is locked in a wide range of the entire circumference of the opening of the through hole. This is because the extending and retracting direction of the dividing member is along the circumferential direction of the support body, so that when the supporting member is inserted into the through hole or when the dividing member is returned to the original position, the penetrating This can be performed in a state in which the peripheral wall of the hole and the dividing member are less likely to interfere with each other, and the installation work can be performed extremely efficiently. For example, as a comparative example,
Even in the case where the support body is divided into two in the circumferential direction, and one end of each of the divided members is hinge-connected so that they can swing together, in this case, Along with the swinging operation of the dividing members, the supporting portions that need to be inserted into the through holes also spread by the swinging operation, and as a result, they cannot be installed when there are obstacles around the openings. Thus, according to the occluding material support of the present invention, even if there is an obstacle around the opening of the through hole, the notch portion is temporarily formed in the support body, A state in which the support body can be inserted into the through hole while avoiding the obstacle, and the support body is returned so as to close the notch after insertion, and the locking portion extends along the entire circumference around the opening. Can be installed in Therefore, regardless of the presence or absence of an obstacle around the opening of the through hole, the occluding material can be stably and efficiently installed in a state in which it can be supported in the through hole.
【0006】請求項2の発明の特徴構成は、図5に例示
するごとく、前記少なくとも一つの分割部材を最大限引
退させたときに形成される切欠き部の端部間の寸法(最
大切欠き寸法)が、前記長尺体Pの外径寸法以上になる
ように設定してあるところにある。請求項2の発明の特
徴構成によれば、請求項1の発明による作用効果を叶え
ることができるのに加えて、前記最大切欠き寸法が長尺
体の外径寸法以上に設定してあることによって、前記開
口部周囲の障害物が長尺体の一部に設けられた分岐部で
ある場合に、前記切欠き部を前記分岐部が通過できる寸
法以上に広げた状態で作業でき、前記分岐部(長尺体の
一部)をかわした状態での設置作業をより確実に実施す
ることが可能となる。As shown in FIG. 5, the characterizing feature of the invention of claim 2 is that the at least one dividing member is maximally pulled.
Dimension between ends of notch formed when retracted (max.
The important notch dimension) is set to be equal to or larger than the outer diameter dimension of the elongated body P. According to the characterizing feature of the invention of claim 2, in addition to being able to achieve the effect of the invention of claim 1, the maximum notch dimension is set to be equal to or greater than the outer diameter dimension of the elongated body. Thus, when the obstacle around the opening is a branch portion provided in a part of a long body, the notch portion can be worked in a state in which it is widened beyond a size that allows the branch portion to pass, and the branch It becomes possible to more reliably carry out the installation work in a state where the part (a part of the long body) is passed.
【0007】請求項3の発明の特徴構成は、図3〜7に
例示するごとく、支持具本体Gの径方向に沿って互いに
対向する位置に、前記支持具本体Gを周方向に沿って伸
縮自在なスライド機構L1を夫々設けてあるところにあ
る。請求項3の発明の特徴構成によれば、請求項1又は
2の発明による作用効果を叶えることができるのに加え
て、前記スライド機構によって対応する分割部材どうし
をスライドさせることによって、支持具本体の外径寸法
を大きくしたり小さくしたり変更することが可能とな
り、貫通孔の内径の大小に合わせて設置することができ
る。従って、いろいろな内径寸法の貫通孔に設置するこ
とが可能となり、寸法適応性・汎用性が向上する。As shown in FIGS. 3 to 7, the characterizing feature of the invention of claim 3 is that the support body G is expanded and contracted in the circumferential direction at positions facing each other along the radial direction of the support body G. Each is provided with a free slide mechanism L1. According to the characterizing feature of the invention of claim 3, in addition to being able to achieve the effect of the invention of claim 1 or 2, the corresponding supporting member main body can be obtained by sliding the corresponding dividing members by the slide mechanism. The outer diameter of the through hole can be increased or decreased and can be set according to the inner diameter of the through hole. Therefore, it becomes possible to install the through holes having various inner diameters, and the dimensional adaptability and versatility are improved.
【0008】尚、上述のように、図面との対照を便利に
するために符号を記したが、該記入により本発明は添付
図面の構成に限定されるものではない。As mentioned above, the reference numerals are given for the sake of convenience in comparison with the drawings, but the present invention is not limited to the constructions of the accompanying drawings by the entry.
【0009】[0009]
【発明の実施の形態】以下に本発明の実施の形態を図面
に基づいて説明する。尚、図面において従来例と同一の
符号で表示した部分は、同一又は相当の部分を示してい
る。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. In the drawings, the parts indicated by the same reference numerals as those in the conventional example indicate the same or corresponding parts.
【0010】本実施形態は、本発明の閉塞材支持具の一
実施形態で、図2に示すように、スラブ(構造体の一
例)Sの排水管挿通用貫通孔(長尺体挿通用貫通孔の一
例)H内で、排水管(長尺体の一例)Pの挿通部分の周
囲空間Vに装填される熱膨張性を有する耐火パテ(閉塞
材の一例)1を支持自在な閉塞材支持具2を、前記貫通
孔Hに設置して、耐火貫通部3を形成してある例を説明
する。This embodiment is an embodiment of the occluding member support of the present invention. As shown in FIG. 2, a drain pipe insertion through hole (a long body insertion penetration) of a slab (an example of a structure) S is formed. An example of a hole) A occluder support capable of supporting a thermally expandable fireproof putty (an example of an occluder) 1 that is loaded in a peripheral space V of an insertion portion of a drainage pipe (an example of a long body) P in H An example in which the tool 2 is installed in the through hole H to form the refractory penetration part 3 will be described.
【0011】前記スラブSは、図1に示すように、鉄筋
コンクリートで形成してあり、スラブSの上方には、間
隔をあけて床板4を設置してある。そして、前記床板4
とスラブSとの間の床下空間5には、床板4上に設置し
た排水器具(例えば、洗面台や流し台等)6からの第一
排水管P1が排水管として必要な勾配となるように配置
してある。そして、前記第一排水管P1は、前記スラブ
Sの貫通孔H内を上下に貫通する第二排水管P2と、分
岐継手P3を介して連通接続してある。従って、前記貫
通孔H内には、分岐継手P3の一部と、第二排水管P2
の一部が位置している。また、分岐継手P3の第一排水
管P1側の外周面の内、下面は、前記スラブS上面と、
僅かな隙間を空けた状態に配置されている。従って、前
記床下空間5の高さ設定は、前記第一排水管P1として
の機能上必要な最小の勾配を確保できる範囲での最小値
となるように設定されている。因みに、前記第一排水管
P1・第二排水管P2・分岐継手P3を含めて前記排水
管Pという。また、各排水管Pは、塩化ビニル製のパイ
プを使用してあることから、スラブを挟んだ上下何れか
の階で火災が発生した場合に、パイプの焼け穴からの類
焼が懸念されるが、それを防止するために、前記周囲空
間Vには熱膨脹性を有する耐火パテ1が充填される。即
ち、火災の熱によって耐火パテ1が膨脹することによっ
て前記パイプの焼け穴を閉塞し、類焼防止を図るもので
ある。As shown in FIG. 1, the slab S is made of reinforced concrete, and a floor plate 4 is installed above the slab S with a space. And the floor board 4
In the underfloor space 5 between the slab S and the slab S, the first drainage pipe P1 from the drainage device (for example, washbasin, sink, etc.) 6 installed on the floorboard 4 is arranged so as to have a gradient necessary as a drainage pipe. I am doing it. Then, the first drainage pipe P1 is communicatively connected to a second drainage pipe P2 vertically passing through the through hole H of the slab S via a branch joint P3. Therefore, in the through hole H, a part of the branch joint P3 and the second drain pipe P2 are provided.
Part of is located. The lower surface of the outer peripheral surface of the branch joint P3 on the first drain pipe P1 side is the upper surface of the slab S,
It is arranged with a slight gap. Therefore, the height of the underfloor space 5 is set to a minimum value within a range in which the minimum gradient required for the function of the first drain pipe P1 can be secured. Incidentally, the first drain pipe P1, the second drain pipe P2, and the branch joint P3 are collectively referred to as the drain pipe P. Further, since each drain pipe P uses a pipe made of vinyl chloride, when a fire occurs on one of the upper and lower floors with the slab in between, there is a concern that the fire will burn from the burnt hole of the pipe. In order to prevent this, the surrounding space V is filled with a refractory putty 1 having a thermal expansion property. That is, the fireproof putty 1 expands due to the heat of fire to close the burnt hole of the pipe to prevent burning.
【0012】前記閉塞材支持具2について説明する。閉
塞材支持具2は、図2〜5に示すように、前記貫通孔H
内に装填される前記耐火パテ1をその装填方向前方側で
受止め自在な支持部7と、前記貫通孔Hの開口部8の周
囲に係止自在な係止部9と、前記支持部7と係止部9と
を一体につなぐ連結部10とを備えた支持具本体Gによ
って構成してある。前記支持部7は、前記貫通孔H内に
配置した状態で、貫通孔H内周壁と排水管P外周との間
に位置するように板状部材で形成してあり、平面視形状
は、前記貫通孔周壁に沿う円弧板形状に形成してある。
前記連結部10は、貫通孔Hの周壁に沿う曲面形状に形
成してあり、複数の窓部10aを設けてある(図3参
照)。この窓部10aは、前記周囲空間Vに配置させた
耐火パテ1が熱膨張する際に窓部10aを通して貫通孔
H周壁に直に接当することによって貫通孔Hの密閉性を
向上できるように設けてある。そして、連結部10の下
端部に一体的に前記支持部7が設けてあると共に、連結
部10の上端部に前記係止部9が一体的に設けてある。
前記係止部9を、前記開口部8の周縁部に沿う鍔形状
で、且つ、貫通孔Hへの設置状態においては、通常は、
前記開口部8全周に沿う環状に形成して構成してある
(図4・5参照)。The obturator support 2 will be described. As shown in FIGS. 2 to 5, the occluding member support tool 2 has the through hole H.
A supporting portion 7 that can receive the refractory putty 1 loaded therein at the front side in the loading direction, a locking portion 9 that can be locked around the opening 8 of the through hole H, and the supporting portion 7 It is constituted by a support body G including a connecting portion 10 for integrally connecting the lock portion 9 and the locking portion 9. The support portion 7 is formed of a plate-like member so as to be located between the inner peripheral wall of the through hole H and the outer periphery of the drain pipe P in the state of being arranged in the through hole H, and the plan view shape is It is formed in an arc plate shape along the peripheral wall of the through hole.
The connecting portion 10 is formed in a curved shape along the peripheral wall of the through hole H, and is provided with a plurality of windows 10a (see FIG. 3). This window portion 10a can improve the hermeticity of the through hole H by directly contacting the peripheral wall of the through hole H through the window portion 10a when the refractory putty 1 arranged in the surrounding space V thermally expands. It is provided. The support portion 7 is integrally provided on the lower end portion of the connecting portion 10, and the locking portion 9 is integrally provided on the upper end portion of the connecting portion 10.
When the locking portion 9 has a brim shape along the peripheral edge of the opening 8 and is installed in the through hole H, normally,
The opening 8 is formed in an annular shape along the entire circumference (see FIGS. 4 and 5).
【0013】また、支持具本体Gは、図3・4に示すよ
うに、支持具本体Gの縦軸心周りに相対的にスライド自
在に嵌合した二つの第一本体(分割部材に相当)G1と
第二本体(分割部材に相当)G2とから構成してあり、
それら第一本G1・第二本体G2それぞれに、前記支持
部7・係止部9・連結部10が備えてある。そして、前
記第一本体G1上に前記第二本体G2が重なる状態に組
み付けてある。Further, as shown in FIGS. 3 and 4, the support tool main body G includes two first main bodies (corresponding to dividing members) which are slidably fitted relative to each other around the longitudinal axis of the support tool main body G. G1 and a second main body (corresponding to a dividing member) G2,
Each of the first main body G1 and the second main body G2 is provided with the supporting portion 7, the engaging portion 9, and the connecting portion 10. Then, the second main body G2 is assembled so as to overlap the first main body G1.
【0014】前記第一本体G1は、前記支持部7の内、
支持具本体Gの縦軸心周りの約180度の範囲に設定さ
れた第一支持部7Aと、前記係止部9の内、前記縦軸心
周りの約180度の範囲に設定された第一係止部9A
と、それらをつなぐ第一連結部10Aとを備えて構成し
てある。また、前記第一支持部7Aは、第一連結部10
Aから前記縦軸心側へ突出した仕切面部11によって、
前記縦軸心周りの約50度の範囲に設定された短支持部
7Aaと、前記縦軸心周りの約130度の範囲に設定さ
れた長支持部7Abとに仕切られている。前記第一連結
部10Aは、上述の通り、前記短支持部7Aaの左右両
端部にそれぞれ仕切面部11を形成してある。前記第一
係止部9Aは、外周縁部を下方へ屈曲させてあり、当該
閉塞材支持具2を貫通孔Hに設置した状態においてこの
屈曲部9aの下端部が前記スラブSの上面に接当して係
止するものである。また、第一係止部9Aの長手方向の
一端部には、拡径頭部を備えたビス12を取り付けてあ
る。このビス12は、前記第一本体G1と第二本体G2
とが外れないように繋ぎ止めると共に、第一本体G1と
第二本体G2との相対的なスライド位置の始点と終点と
を規定する作用を備えている。また、第一係止部9Aの
長手方向の中間部には、前記ビス12に間隔をあけて、
当該閉塞材支持具2をスラブにビス固定するためのビス
挿通孔13を形成してあり、このビス挿通孔13を使用
してスラブに閉塞材支持具2をビス固定することができ
るものである。The first main body G1 includes the support portion 7,
The first support portion 7A set in a range of about 180 degrees around the vertical axis of the support body G, and the first support portion 7A set in a range of about 180 degrees around the vertical axis in the locking portion 9. One locking part 9A
And a first connecting portion 10A connecting them together. In addition, the first support portion 7A is the first connecting portion 10
With the partition surface portion 11 protruding from A toward the vertical axis,
It is partitioned into a short support portion 7Aa set in a range of about 50 degrees around the vertical axis and a long support section 7Ab set in a range of about 130 degrees around the vertical axis. As described above, the first connecting portion 10A has the partition surface portions 11 formed at the left and right ends of the short support portion 7Aa. An outer peripheral edge portion of the first locking portion 9A is bent downward, and a lower end portion of the bending portion 9a is in contact with an upper surface of the slab S in a state in which the obstruction material support tool 2 is installed in the through hole H. It hits and locks. Further, a screw 12 having a diameter-expanding head is attached to one end of the first locking portion 9A in the longitudinal direction. The screws 12 are the first main body G1 and the second main body G2.
It has a function of connecting the first main body G1 and the second main body G2 and defining the start point and the end point of the relative slide position between the first main body G1 and the second main body G2. In addition, at an intermediate portion in the longitudinal direction of the first locking portion 9A, the screw 12 is spaced apart,
A screw insertion hole 13 for fixing the blocker support tool 2 to the slab with a screw is formed, and the blocker support tool 2 can be fixed to the slab with a screw by using the screw insertion hole 13. .
【0015】前記第二本体G2は、前記支持部7の内、
支持具本体Gの縦軸心周りの約130度の範囲に設定さ
れた第二支持部7Bと、前記係止部9の内、前記縦軸心
周りの約190度の範囲に設定された第二係止部9B
と、それらをつなぐ第二連結部10Bとを備えて構成し
てある。また、前記第二支持部7Bは、第二連結部10
Bの左右両端から前記縦軸心側へそれぞれ突出した仕切
面部14によって、一つの支持部に形成してある。前記
第二連結部10Bは、上述の通り、前記第二支持部7B
の左右両端部を仕切るように仕切面部14を形成してあ
る。前記第二係止部9Bは、前記第一係止部9Bと同様
に、外周縁部を下方へ屈曲させて屈曲部9bを設けてあ
り、第一係止部9B上に重なった状態で、第一係止部9
Bの屈曲部9aの下端部と同じ高さとなり、前記スラブ
Sの上面に接当して係止できるように構成してある。ま
た、第二係止部9Bには、長手方向に沿ってスリット1
5を形成してあり、前記第一係止部9Aのビス12のネ
ジ部分が、このスリット15を貫通する状態に設けられ
ている。従って、前記両係止部9A・9Bの各屈曲部9
a・9bどうしが接当することで互いのスライドガイド
となると共に、前記スリット15内に前記ビス12が貫
通していることによって互いがスライドガイトとなり、
第一本体G1と第二本体G2とを、長手方向に沿って所
定の範囲内で相対的にスライドすることが可能となる。
即ち、第一本体G1を基準に考えると、第二本体G2
は、支持具本体Gの周方向に沿って出退自在に形成して
あり、第二本体G2を最大限突出させると第二係止部9
Bの突出端部が第一係止部9Aに当接し、環状の係止部
9を形成することができる一方、第二本体G2を最大限
引退させると、C環状の係止部9を形成することができ
る。そして、両本体G1・G2どうしの重なりが最も大
きくなった時の係止部9は、C環状になっており、その
際の端部間の目開き寸法(切欠き寸法)は、前記分岐継
手P3の外径寸法より大きくなるように設定してある。
前記各屈曲部9a・9b、及び、前記スリット15とビ
ス12とでスライド機構Lが構成されている。The second main body G2 is a part of the support portion 7,
The second support portion 7B set in the range of about 130 degrees around the vertical axis of the support body G, and the second support portion 7B set in the range of about 190 degrees around the vertical axis of the locking portion 9 Two locking parts 9B
And a second connecting portion 10B connecting them. In addition, the second support portion 7B is the second connecting portion 10
The partition surface portions 14 projecting from the left and right ends of B toward the vertical axis are formed as one supporting portion. The second connecting portion 10B is, as described above, the second supporting portion 7B.
Partition surfaces 14 are formed so as to partition the left and right ends of the partition surface. Like the first locking portion 9B, the second locking portion 9B is provided with a bent portion 9b by bending the outer peripheral edge portion downward, and in a state of being overlapped on the first locking portion 9B, First locking part 9
It has the same height as the lower end of the bent portion 9a of B, and is configured so as to come into contact with the upper surface of the slab S to be locked. Further, the slit 1 is formed along the longitudinal direction in the second locking portion 9B.
5 is formed, and the screw portion of the screw 12 of the first locking portion 9A is provided so as to penetrate the slit 15. Therefore, the bent portions 9 of both the locking portions 9A and 9B are
The a and 9b contact each other to serve as slide guides for each other, and the screw 12 penetrates into the slit 15 to serve as slide guides.
It becomes possible to relatively slide the first body G1 and the second body G2 along the longitudinal direction within a predetermined range.
That is, considering the first body G1 as a reference, the second body G2
Is formed so as to be able to extend and retract along the circumferential direction of the support body G, and when the second body G2 is projected to the maximum extent, the second locking portion 9
The protruding end portion of B can contact the first locking portion 9A to form the annular locking portion 9, while the second main body G2 can be retracted to the maximum extent to form the C annular locking portion 9. can do. When the overlap between the two main bodies G1 and G2 is maximized, the locking portion 9 has a C ring shape, and the opening size (notch size) between the ends at that time is the branch joint. It is set to be larger than the outer diameter dimension of P3.
A slide mechanism L is configured by the bent portions 9a and 9b, the slit 15 and the screw 12.
【0016】ところで、前記周囲空間Vに配置される耐
火パテ1について説明する。前記耐火パテ1は、前述の
とおり、耐火物質(主成分は無機質充填剤・膨張剤)で
構成してあると共に、熱を受けると約3〜4倍の容積に
膨脹する性質を有し、火災時に前記排水管Pが消失して
も前記貫通孔H内に充満することで閉塞する効果があ
る。また、本実施形態においては、図3に示すように、
厚み寸法が概ね前記支持部7の幅寸法と同寸法に形成し
たシート形状のものを使用する。そして、耐火パテ1
は、各支持部に対応した形状のものが使用され、前記第
一支持部7Aの短支持部7Aaに嵌め込まれた状態で提
供される第一耐火パテ1Aと、前記第二支持部7Bに嵌
め込まれた状態で提供される第二耐火パテ1Bと、当該
閉塞材支持具2を貫通孔Hに設置してから長支持部7A
b上のパテ収容空間に挿入される挿入耐火パテ1Cとか
ら構成される。前記第一耐火パテ1A・第二耐火パテ1
Bは、シート形状のものを前記一対の仕切面部11、前
記一対の仕切面部14それぞれの間に湾曲変形させなが
ら挿入すると、パテの復元力によって左右端面部が前記
仕切面部11・14に押し当たって拘束され、湾曲形状
を保持した状態に取り付けることができる。前記挿入耐
火パテ1Cは、図4に示すような金属フレームFに予め
嵌め込んであり、湾曲形状に保形されている。そして、
金属フレームFは、前記挿入耐火パテ1Cの下端面部・
両側縁部のほぼ全域と、外周部の一部とに面接当する状
態に形成してあり、前記金属フレームFの上縁部分には
前記連結部10に引っ掛けるための掛止部16を複数設
けてある。The refractory putty 1 arranged in the surrounding space V will be described. As described above, the refractory putty 1 is made of a refractory substance (main component is an inorganic filler / expansion agent), and has a property of expanding to a volume of about 3 to 4 times when receiving heat, and Occasionally, even if the drain pipe P disappears, the drain hole P fills the through-hole H, so that the through-hole H is blocked. Further, in this embodiment, as shown in FIG.
A sheet-shaped one having a thickness dimension substantially the same as the width dimension of the support portion 7 is used. And fireproof putty 1
Has a shape corresponding to each support portion, and is fitted into the short support portion 7Aa of the first support portion 7A and is provided in the first fireproof putty 1A and the second support portion 7B. The second refractory putty 1B provided in a closed state and the obstruction material support tool 2 are installed in the through hole H, and then the long support portion 7A.
It is composed of an insert refractory putty 1C that is inserted into the putty accommodating space above b. The first refractory putty 1A and the second refractory putty 1
When the sheet-shaped member B is inserted while being curved and deformed between the pair of partition surface portions 11 and the pair of partition surface portions 14, the left and right end surface portions are pressed against the partition surface portions 11 and 14 by the restoring force of the putty. It can be attached while being held in a curved shape. The insert refractory putty 1C is previously fitted into a metal frame F as shown in FIG. 4 and is retained in a curved shape. And
The metal frame F is a lower end surface portion of the insert fireproof putty 1C.
A plurality of hooking portions 16 for hooking to the connecting portion 10 are provided on the upper edge portion of the metal frame F so as to come into contact with substantially the entire side edge portions and a part of the outer peripheral portion. There is.
【0017】次に、当該閉塞材支持具2を使用した耐火
貫通部3の形成手順を説明する。
[1] 貫通孔Hには、図1に示すように、排水管Pを
設置しておく。
[2] 閉塞材支持具2を用意する。その際、支持具本
体Gは、前記スライド機構Lによって前記第一本体G1
と第二本体G2との重なりが最大となるように位置させ
ておく。即ち、係止部9の端部間の切欠き寸法が最も大
きくなったコンパクトな状態にしておく。因みに、前記
第一支持部7Aの短支持部7Aaと、第二支持部7Bに
は、それぞれ第一耐火パテ1Aと第二耐火パテ1Bとが
取り付けてある。
[3] 最もコンパクトな状態にした閉塞材支持具2を
貫通孔H内に挿入する(図4参照)。即ち、前記支持部
7と連結部10とが、貫通孔H周壁と排水管Pとの間に
位置する状態セットする。
[4] 第一本体G1と第二本体G2とを広がる方向に
相対的にスライドさせて(図4参照)、係止部9の端部
どうしが接当すると共に、分岐継手P3とスラブSとの
隙間に入り込む状態に配置する。このスライド移動によ
って、係止部9が環状になると共に、第二支持部7B上
の第二耐火パテ1Bが、排水管Pの分岐継手P3の下方
空間へ送り込まれる。即ち、前記分岐継手P3があるこ
とによってパテを詰め難い位置にもかかわらず、スムー
スに位置させることができる。
[5] 次に、前記長支持部7Abに、上方から前記挿
入耐火パテ1Cを挿入する。この状態では、長支持部7
Ab上に挿入耐火パテ1Cの金属フレームFが当接して
いると共に、第二連結部10Bには、金属フレームの掛
止部16が掛止している。そして、前記周囲空間Vに
は、全周にわたって耐火パテ1が装填された状態となる
(図4・5参照)。
[6] 前記ビス12を締め付けて第一本体G1と第二
本体G2とを固定すると共に、前記ビス挿通孔13を使
用して、当該閉塞材支持具2をスラブSにビス固定す
る。
[7] 必要に応じて、開口部8のへこんだ部分に目隠
し充填材を詰める(図2参照)。Next, the procedure for forming the refractory penetration part 3 using the occluding member support tool 2 will be described. [1] A drainage pipe P is installed in the through hole H as shown in FIG. [2] The occluding material support tool 2 is prepared. At this time, the support body G is moved by the slide mechanism L to the first body G1.
The second main body G2 and the second main body G2 are positioned so that the overlap therebetween becomes maximum. That is, a compact state is made in which the cutout dimension between the ends of the locking portion 9 is the largest. Incidentally, a first fire resistant putty 1A and a second fire resistant putty 1B are attached to the short support portion 7Aa of the first support portion 7A and the second support portion 7B, respectively. [3] Insert the occluder supporter 2 in the most compact state into the through hole H (see FIG. 4). That is, the support portion 7 and the connecting portion 10 are set in a state of being located between the peripheral wall of the through hole H and the drain pipe P. [4] The first main body G1 and the second main body G2 are relatively slid in the spreading direction (see FIG. 4) so that the ends of the locking portion 9 come into contact with each other, and the branch joint P3 and the slab S are connected. Place it so that it enters the gap. By this sliding movement, the locking portion 9 becomes annular, and the second refractory putty 1B on the second support portion 7B is fed into the space below the branch joint P3 of the drain pipe P. That is, the branch joint P3 allows the putty to be smoothly positioned even though it is difficult to put the putty. [5] Next, the insertion refractory putty 1C is inserted into the long support portion 7Ab from above. In this state, the long support portion 7
The metal frame F of the insert fireproof putty 1C is in contact with the Ab, and the metal frame hooking portion 16 is hooked on the second connecting portion 10B. Then, the surrounding space V is filled with the fireproof putty 1 over the entire circumference (see FIGS. 4 and 5). [6] The screw 12 is tightened to fix the first main body G1 and the second main body G2, and the occluder supporter 2 is screw-fixed to the slab S using the screw insertion hole 13. [7] If necessary, the recessed portion of the opening 8 is filled with a blind filler (see FIG. 2).
【0018】以上の手順によって、分岐配管が存在する
ような場所であっても、簡単に効率よく耐火貫通部3を
構成することが可能となる。By the above procedure, it becomes possible to easily and efficiently construct the fireproof penetration portion 3 even in a place where a branch pipe exists.
【0019】〔別実施形態〕以下に他の実施の形態を説
明する。[Other Embodiments] Other embodiments will be described below.
【0020】〈1〉 閉塞材支持具は、先の実施形態で
説明したように、スラブの貫通孔に対して上方から設置
する使用形態に限るものではなく、例えば、下方側から
上方に向けて設置する使用形態をとったり、壁体に対し
て横向きに設置する使用形態をとることも可能である。
従って、前記構造体は、スラブに限るものではなく、壁
や天井であってもよい。また、長尺体は、先に説明した
排水管に限るものではなく、例えば、空調配管や給水管
や電線管等の配管や、電線等であってもよい。また、前
記閉塞材は、先の実施形態で説明した耐火パテに限るも
のではなく、例えば、長尺体そのものが耐火性能を有す
るものである場合、モルタルやコンクリートで構成する
ことも可能である。
〈2〉 支持具本体は、先の実施形態で説明した二つの
部品(第一本体G1と第二本体G2)から構成されるも
のに限るものではなく、例えば三つ以上の部材から構成
してあってもよい。そして、支持部・連結部・係止部の
各部分は、その形状や位置関係等を変更することも可能
である。また、先の実施形態では、平面形状が円形の貫
通孔に設置するものについて説明したが、平面形状が多
角形の貫通孔を対象とする場合にも、貫通孔に合わせた
各部の形状変更を行うことによって実施可能で、例え
ば、図6・7に示すように、四角形の貫通孔を対象とし
た閉塞材支持具も実施可能である。図6に示す実施形態
においては、支持具本体Gを周方向に沿って4分割に構
成し、それら各分割部材の内、径方向に沿って互いに対
向する辺に位置する分割部材G2・G4を、それぞれ支
持具本体Gの周方向に沿って出退自在に形成してある。
スライドさせるための構成は、先の実施形態と同様、又
は、他の形式を採用することが可能で、要するに、支持
具本体Gの径方向に沿って互いに対向する位置に、スラ
イド機構L1を各別に設けてある。この実施形態の場
合、前記出退自在な分割部材G2・G4の内の何れかを
引退することによって、先の実施形態と同様に、開口部
8周囲の障害物を交わしながらの設置を可能にすること
ができる。更には、両スライド機構L1を合わせて、対
向辺の長さ調整をすることが可能となり、異なった寸法
の貫通孔に対してもぴったりと合った状態に設置するこ
とが可能となる。このスライド機構L1は、図7に示す
ように、各辺に設けることも可能である。<1> The occluding material support is not limited to the usage mode in which it is installed from above in the through hole of the slab, as described in the previous embodiment. For example, from the lower side to the upper side. It is also possible to take a form of installation for installation or a form of installation for installation laterally with respect to the wall.
Therefore, the structure is not limited to the slab, but may be a wall or a ceiling. Further, the elongated body is not limited to the drain pipe described above, and may be, for example, an air conditioning pipe, a water supply pipe, a pipe such as an electric pipe, or an electric wire. Further, the plugging material is not limited to the fireproof putty described in the previous embodiment, and may be made of mortar or concrete, for example, when the long body itself has fireproof performance. <2> The support body is not limited to the one configured by the two parts (the first body G1 and the second body G2) described in the above embodiment, and may be configured by, for example, three or more members. It may be. Further, the shape, the positional relationship, and the like of each of the supporting portion, the connecting portion, and the locking portion can be changed. Further, in the above-mentioned embodiment, the case where the planar shape is installed in the through hole having a circular shape has been described. However, even when the through hole having a polygonal planar shape is targeted, the shape of each part may be changed according to the through hole. This can be carried out by carrying out, for example, as shown in FIGS. 6 and 7, it is also possible to carry out an occluding material support tool for a rectangular through hole. In the embodiment shown in FIG. 6, the support body G is divided into four along the circumferential direction, and among the respective divided members, the divided members G2 and G4 located on the sides facing each other along the radial direction. , Are formed so as to be retractable along the circumferential direction of the support body G.
The structure for sliding can be the same as that of the previous embodiment or can adopt another form. In short, each of the slide mechanisms L1 is arranged at a position facing each other along the radial direction of the support body G. It is provided separately. In the case of this embodiment, by retreating any of the split members G2 and G4 that can freely move in and out, it is possible to install while intersecting obstacles around the opening 8 as in the previous embodiment. can do. Furthermore, it becomes possible to adjust the lengths of the opposite sides by combining the both slide mechanisms L1, and it is possible to install the slide mechanisms L1 in a state in which they fit perfectly even through holes having different sizes. The slide mechanism L1 can be provided on each side as shown in FIG.
【図1】排水管の設置状況を示す説明図[Figure 1] Explanatory diagram showing the installation status of drainage pipes
【図2】閉塞材支持具の設置状況を示す側面視説明図FIG. 2 is a side view explanatory diagram showing an installation state of an occluding material support tool.
【図3】閉塞材支持具を示す分解斜視図FIG. 3 is an exploded perspective view showing an occluding material support tool.
【図4】閉塞材支持具を示す斜視図FIG. 4 is a perspective view showing an occluding material support tool.
【図5】閉塞材支持具の設置状況を示す一部切欠き斜視
図FIG. 5 is a partially cutaway perspective view showing an installation state of an occluding material support tool.
【図6】別実施形態の閉塞材支持具の要部を示す上面図FIG. 6 is a top view showing a main part of an occluding material support according to another embodiment.
【図7】別実施形態の閉塞材支持具の要部を示す上面図FIG. 7 is a top view showing a main part of an occluding material support according to another embodiment.
【図8】従来の閉塞材支持具の設置状況を示す一部切欠
き斜視図FIG. 8 is a partially cutaway perspective view showing an installation state of a conventional occluding material support tool.
【図9】従来の閉塞材支持具の設置状況を示す説明図FIG. 9 is an explanatory view showing a state of installation of a conventional occluding material support tool.
1 閉塞材 7 支持部 8 開口部 9 係止部 G 支持具本体 G1 分割部材 G2 分割部材 H 長尺体挿通用貫通孔 L1 スライド機構 P 長尺体 S 構造体 V 周囲空間 1 Occlusion material 7 Support 8 openings 9 Locking part G support body G1 split member G2 split member H Long body insertion through hole L1 slide mechanism P long body S structure V Surrounding space
Claims (3)
体の挿通部分の周囲空間に装填される閉塞材をその装填
方向前方側で受止め支持自在な支持部と、前記貫通孔の
開口部の周囲に係止自在な係止部とを備えた環状の支持
具本体を設けてある閉塞材支持具であって、 前記支持具本体を、周方向に沿って連結された複数の分
割部材で構成し、それら分割部材の内の少なくとも一つ
の分割部材は、前記支持具本体の周方向に沿って引退自
在に形成してある閉塞材支持具。1. A support portion, which is capable of receiving and supporting an occluding material, which is loaded in the space surrounding the insertion portion of the elongated body, in a through hole for inserting the elongated body of the structure on the front side in the loading direction, An occluding material support tool having an annular support tool main body provided with a locking portion that can be locked around an opening of a through hole, wherein the support tool main body is connected in a circumferential direction. An occluding material support tool comprising a plurality of partition members, and at least one of the partition members is formed to be retractable along the circumferential direction of the support body.
引退させたときに形成される切欠き部の端部間の寸法
(最大切欠き寸法)が、前記長尺体の外径寸法以上にな
るように設定してある請求項1に記載の閉塞材支持具。2. The maximum of the at least one dividing member
Dimension between the ends of the notch formed when retired
The occlusive material support according to claim 1, wherein the (maximum notch size) is set to be equal to or larger than the outer diameter size of the elongated body.
する位置に、前記支持具本体を周方向に沿って伸縮自在
なスライド機構を夫々設けてある請求項1又は2に記載
の閉塞材支持具。3. The occluding material according to claim 1, wherein slide mechanisms are provided at positions facing each other along the radial direction of the support tool body, the slide mechanisms being capable of expanding and contracting the support tool body along the circumferential direction, respectively. Support.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04504899A JP3435090B2 (en) | 1999-02-23 | 1999-02-23 | Closure support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP04504899A JP3435090B2 (en) | 1999-02-23 | 1999-02-23 | Closure support |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000240269A JP2000240269A (en) | 2000-09-05 |
JP3435090B2 true JP3435090B2 (en) | 2003-08-11 |
Family
ID=12708490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP04504899A Expired - Fee Related JP3435090B2 (en) | 1999-02-23 | 1999-02-23 | Closure support |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3435090B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200331230Y1 (en) * | 2003-05-09 | 2003-10-23 | 주식회사 영진공영 | Supporter of pipe for piping work |
KR100777045B1 (en) | 2006-01-18 | 2007-11-20 | 한재광 | A pipe support device for water supply or water drain |
JP5491885B2 (en) * | 2010-01-29 | 2014-05-14 | 未来工業株式会社 | Fireproofing tool and fireproofing structure |
KR101361647B1 (en) * | 2013-06-05 | 2014-02-12 | (주)영진에스피산업 | Fixing frame for fireproof filling element |
KR102417492B1 (en) * | 2020-07-14 | 2022-07-06 | 최혁수 | Piercing sleeve unit |
JP6876348B1 (en) * | 2020-07-20 | 2021-05-26 | アビエンジニアリング株式会社 | Avalanche prevention fence |
-
1999
- 1999-02-23 JP JP04504899A patent/JP3435090B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2000240269A (en) | 2000-09-05 |
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