JP2017057969A - Pipeline support structure - Google Patents
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- JP2017057969A JP2017057969A JP2015184948A JP2015184948A JP2017057969A JP 2017057969 A JP2017057969 A JP 2017057969A JP 2015184948 A JP2015184948 A JP 2015184948A JP 2015184948 A JP2015184948 A JP 2015184948A JP 2017057969 A JP2017057969 A JP 2017057969A
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Abstract
Description
この発明は、配管支持構造に関するものである。 The present invention relates to a pipe support structure.
建物に対して配管を固定するのに、配管固定具が用いられている（例えば、特許文献１参照）。 A pipe fixing tool is used to fix the pipe to the building (see, for example, Patent Document 1).
このような配管固定具は、建物に対する固定部と、配管に対するクランプ部とを備えた固定用金具などとされる。 Such a pipe fixture is a fixture for fixing provided with a fixing part for a building and a clamp part for the pipe.
しかしながら、上記特許文献１に記載された配管固定具は、クランプ部で配管をクランプするようにしていたので、配管に熱伸縮が生じた時に、クランプ部が配管に対してズレてしまうという問題があった。 However, since the piping fixture described in Patent Document 1 is configured to clamp the pipe with the clamp portion, there is a problem that the clamp portion is displaced with respect to the pipe when thermal expansion or contraction occurs in the pipe. there were.
このように、配管に対してクランプ部がズレると、例えば、繰り返しの熱伸縮によって配管が全体的に長手方向（例えば、配管の上端側）へ変位して建物に対する納まり不良が発生したり、変位された配管の上端側が建物の天井部に突き当たって配管の上端側に急激な曲がりが発生したり、配管に接続された枝管の分岐部などに応力が集中したりするような不具合が生じ得る。 In this way, when the clamp part is displaced from the pipe, for example, the pipe is displaced in the longitudinal direction (for example, the upper end side of the pipe) as a whole due to repeated thermal expansion and contraction, and a defective fitting with respect to the building occurs. May cause problems such as sudden bending at the upper end of the pipe due to the top end of the pipe being abutted against the ceiling of the building or concentration of stress at the branch of the branch pipe connected to the pipe. .
そこで、本発明は、上記した問題点を解決することを、主な目的としている。 Accordingly, the main object of the present invention is to solve the above-described problems.
上記課題を解決するために、本発明は、
建物の床スラブに形成された貫通穴に対して、配管が貫通配置されており、
該配管の前記貫通穴に対する貫通部分の近傍に、配管と一体化された拡径部が形成されており、
該拡径部と前記床スラブとの間に、配管の熱伸縮に拘わらず、床スラブに対して拡径部の位置を保持する配管保持部が取付けられている配管支持構造を特徴とする。
In order to solve the above problems, the present invention provides:
Piping is arranged through the through hole formed in the floor slab of the building,
In the vicinity of the penetrating part of the pipe with respect to the through hole, an enlarged diameter part integrated with the pipe is formed,
A pipe support structure in which a pipe holding part that holds the position of the enlarged diameter part with respect to the floor slab is attached between the enlarged diameter part and the floor slab regardless of thermal expansion and contraction of the pipe.
本発明によれば、上記構成によって、配管と配管保持部との間のズレを防止することができる。 According to the present invention, the above configuration can prevent the displacement between the pipe and the pipe holding portion.
以下、本実施の形態を、図面を用いて詳細に説明する。
図１〜図９は、この実施の形態を説明するためのものである。このうち、図１〜図６はそれぞれ具体的な実施例１〜実施例６を示しており、図７は、図１〜図６のいずれかの配管支持構造を適用した建物、図８は、図７の建物で配管に熱伸縮が生じた状態、図９は、配管支持構造を適用していない建物の状態をそれぞれ示している。
Hereinafter, the present embodiment will be described in detail with reference to the drawings.
1 to 9 are for explaining this embodiment. Of these, FIGS. 1 to 6 show specific examples 1 to 6, respectively, FIG. 7 is a building to which any of the pipe support structures of FIGS. 1 to 6 is applied, and FIG. FIG. 9 shows a state in which the pipe support structure is not applied, and FIG. 9 shows a state where the pipe support structure is not applied.
＜構成＞以下、構成について説明する。 <Configuration> The configuration will be described below.
（１）図７に示すように、建物１の壁や床、特に床スラブ２に形成された貫通穴３に対して、配管４が貫通配置されている。このような配管４に対して、以下のような配管支持構造５を適用する。
図１〜図６のいずれかに示すように、この配管４の上記貫通穴３に対する貫通部分４ｈの近傍に、配管４と一体化された拡径部７が形成されている。
この拡径部７と上記床スラブ２との間に、配管４の熱伸縮に拘わらず、床スラブ２に対して拡径部７の位置を保持する配管保持部８が取付けられている。
(1) As shown in FIG. 7, a pipe 4 is disposed through a wall or floor of a building 1, particularly a through hole 3 formed in a floor slab 2. The following pipe support structure 5 is applied to such a pipe 4.
As shown in any of FIGS. 1 to 6, an enlarged diameter portion 7 integrated with the pipe 4 is formed in the vicinity of the through portion 4 h of the pipe 4 with respect to the through hole 3.
A pipe holding portion 8 that holds the position of the enlarged diameter portion 7 with respect to the floor slab 2 is attached between the enlarged diameter portion 7 and the floor slab 2 regardless of the thermal expansion and contraction of the piping 4.
ここで、建物１は、複数階の階層構造を有する鉄筋コンクリート製のものなどとされる。 Here, the building 1 is made of reinforced concrete having a multi-level hierarchical structure.
床スラブ２は、例えば、建物１の階層間隔壁（床スラブなど）とされる。 The floor slab 2 is, for example, a hierarchical space wall (floor slab or the like) of the building 1.
貫通穴３は、配管４に対して十分に大きなもの（そして、拡径部７が通るもの）とされる。貫通穴３は、最終的にモルタル１１によって埋設される。 The through hole 3 is sufficiently large with respect to the pipe 4 (and through which the enlarged diameter portion 7 passes). The through hole 3 is finally buried by the mortar 11.
図７に示すように、この場合、配管４は、上下方向へ延びる縦管とされている。配管４の途中からは、各階ごとに分岐継手１２を介して横方向へ延びる別の配管（横管１３）が接続されている。なお、最上階については、配管４の上端部にエルボ１４などの屈曲継手や、空気弁を付けたＴ字継手などを介して横管１３が接続されている。但し、上記した配管４は、横管１３などであっても良い。 As shown in FIG. 7, in this case, the pipe 4 is a vertical pipe extending in the vertical direction. From the middle of the pipe 4, another pipe (horizontal pipe 13) extending in the lateral direction is connected to each floor via the branch joint 12. For the uppermost floor, a horizontal pipe 13 is connected to the upper end of the pipe 4 via a bent joint such as an elbow 14 or a T-shaped joint with an air valve. However, the pipe 4 described above may be a horizontal pipe 13 or the like.
この配管４は、例えば、温水管や冷水管などとされる。温水管や冷水管の場合、配管４や横管１３の外周部には、例えば、グラスウールやロックウール、ポリエチレンフォーム、ポリスチレンフォームなどの断熱材１５が全体的に取付けられる。 The pipe 4 is, for example, a hot water pipe or a cold water pipe. In the case of a hot water pipe or a cold water pipe, a heat insulating material 15 such as glass wool, rock wool, polyethylene foam, or polystyrene foam is generally attached to the outer periphery of the pipe 4 or the horizontal pipe 13.
このような温水管や冷水管には、通常、鋼管が使用されているが、鋼管に替えて樹脂管を用いることが検討されている。しかし、温水管や冷水管などに樹脂管を用いた場合、内部を流れる流体の熱（温熱や冷熱）による熱伸縮量が鋼管よりも格段に大きくなるため、これまでのような、建物１に対する固定部と、配管４に対するクランプ部とを備えた金属製の配管固定具では、配管４（特に、縦管）を保持しきれないので、樹脂管に適した新たな配管支持構造５が必要となる。 Steel pipes are usually used for such hot water pipes and cold water pipes, but the use of resin pipes instead of steel pipes has been studied. However, when resin pipes are used for hot water pipes and cold water pipes, the amount of heat expansion and contraction due to the heat (hot and cold) of the fluid flowing inside becomes much larger than that of steel pipes. Since the metal pipe fixture having the fixing part and the clamp part for the pipe 4 cannot hold the pipe 4 (particularly the vertical pipe), a new pipe support structure 5 suitable for the resin pipe is required. Become.
配管４を樹脂管とする場合、樹脂管には、例えば、ポリエチレン管、ポリブテン管、ポリプロピレン管、塩化ビニル管、架橋ポリエチレン管、ポリプロピレン複合管、ポリエチレン複合管などを使用することができる。ポリプロピレン複合管、ポリエチレン複合管は、空調機内配管などの錆びを防止するための酸素バリア層や、熱伸縮を抑えるための繊維強化層などを有する管とすることができ、酸素バリア層としてはエチレンビニルアルコール共重合体（ＥＶＯＨ）樹脂やアルミニウム、繊維強化層としてはガラス繊維や炭素繊維等を含有させたポリエチレンやポリプロピレン等の樹脂が挙げられる。ポリプロピレン複合管、ポリエチレン複合管の構造としては、表層から順に酸素バリア層、酸素バリア層と樹脂層を接着するための接着層、後述する電気熱融着継手と融着する樹脂層、繊維強化層、樹脂層、を積層した構造が挙げられ、樹脂層、繊維強化層に用いられる樹脂は同一の樹脂材料を含むことが好ましい。 When the pipe 4 is a resin pipe, for example, a polyethylene pipe, a polybutene pipe, a polypropylene pipe, a vinyl chloride pipe, a crosslinked polyethylene pipe, a polypropylene composite pipe, a polyethylene composite pipe, or the like can be used as the resin pipe. Polypropylene composite pipes and polyethylene composite pipes can be pipes having an oxygen barrier layer for preventing rust such as pipes in air conditioners and a fiber reinforced layer for suppressing thermal expansion and contraction. Examples of the vinyl alcohol copolymer (EVOH) resin, aluminum, and fiber reinforced layer include resins such as polyethylene and polypropylene containing glass fibers and carbon fibers. The structure of the polypropylene composite tube and the polyethylene composite tube includes, in order from the surface layer, an oxygen barrier layer, an adhesive layer for adhering the oxygen barrier layer and the resin layer, a resin layer to be fused with an electrothermal fusion joint described later, and a fiber reinforced layer And a resin layer, and the resin used for the resin layer and the fiber reinforced layer preferably contains the same resin material.
配管支持構造５は、例えば、少なくとも建物１の最上階１Ａと最下階１Ｂの床スラブ２などに設けるようにする。建物１が高い場合には、最上階１Ａと最下階１Ｂとの間に対し、例えば、２階おきや３階おき・・などに適宜取付けるようにする。なお、建物１の最下階１Ｂの床スラブ２の下側（床下部１Ｃ）では、配管４の下端部に横方向へ延びる別の横管１６が設置されると共に、配管４の下端部を支持する支持部１７を設けても良い。この別の横管１６や支持部１７が下側に存在する場合、配管４は、熱伸縮によって上側へ向けて変位されることになる。なお、上記した横管１３や横管１６については、建物１に対する固定部と、配管４に対するクランプ部とを備えた既存の金属製の配管固定具１８などを用いても支障なく固定することができる。但し、壁貫通部分などにおいては、この実施例の配管支持構造５を用いても良いことは勿論である。 The pipe support structure 5 is provided, for example, on at least the floor slab 2 of the uppermost floor 1A and the lowermost floor 1B of the building 1. When the building 1 is tall, it is appropriately attached between the uppermost floor 1A and the lowermost floor 1B, for example, every second floor or every third floor. In addition, on the lower side (lower floor 1C) of the floor slab 2 of the lowest floor 1B of the building 1, another horizontal pipe 16 extending in the horizontal direction is installed at the lower end of the pipe 4, and the lower end of the pipe 4 is You may provide the support part 17 to support. When the other horizontal pipe 16 or the support portion 17 exists on the lower side, the pipe 4 is displaced upward by thermal expansion and contraction. The horizontal pipe 13 and the horizontal pipe 16 described above can be fixed without any trouble even by using an existing metal pipe fixture 18 having a fixing part for the building 1 and a clamp part for the pipe 4. it can. However, it goes without saying that the pipe support structure 5 of this embodiment may be used in a wall penetration portion or the like.
図１〜図６に示すように、拡径部７は、文字通り、配管４の径を部分的に拡大したものである。拡径部７には、例えば、電気熱融着機構を備えた継手（電気熱融着継手２１）を使用することができる。この電気熱融着継手２１は、電気熱融着継手２１を構成する樹脂を熱で軟化・溶融させて樹脂製の配管４と融着させるようにしたものであり、融着される配管４と同じ樹脂からなる継手本体の内面近傍に埋設された加熱コイル２２を有すると共に、外面に上記加熱コイル２２へ電力を供給するためのターミナル部２３を有している。電気熱融着継手２１は、配管４に外嵌してターミナル部２３に通電し加熱コイル２２を加熱させることにより、予め表面を切削しておいた配管４と熱融着により一体化される。そして、この電気熱融着継手２１により、拡径部７は、両端部に配管４に対する段差部２４を有するものとなる。 As shown in FIGS. 1 to 6, the enlarged diameter portion 7 is literally a partially enlarged diameter of the pipe 4. For the enlarged diameter portion 7, for example, a joint (electric heat fusion joint 21) having an electric heat fusion mechanism can be used. This electric heat fusion joint 21 is obtained by softening and melting the resin constituting the electric heat fusion joint 21 with heat and fusing it with the resin pipe 4. It has a heating coil 22 embedded in the vicinity of the inner surface of the joint body made of the same resin, and has a terminal portion 23 for supplying power to the heating coil 22 on the outer surface. The electrothermally welded joint 21 is integrated with the pipe 4 whose surface has been cut in advance by heat-fitting the pipe 4 and energizing the terminal portion 23 to heat the heating coil 22. And by this electric heat fusion joint 21, the enlarged diameter part 7 has the level | step-difference part 24 with respect to the piping 4 in both ends.
配管保持部８は、床スラブ２に対して拡径部７（の配管４の長手方向）の位置を一定に保持するものとされる。 The pipe holding unit 8 is configured to hold the position of the enlarged diameter portion 7 (the longitudinal direction of the pipe 4) with respect to the floor slab 2 at a constant level.
以下、拡径部７および配管保持部８の配置について説明する。 Hereinafter, the arrangement of the enlarged diameter portion 7 and the pipe holding portion 8 will be described.
（２）図２〜図６に示すように、上記拡径部７および上記配管保持部８は、床スラブ２の一側に対して、上記拡径部７の少なくとも他側への変位を規制し得るように設置されても良い。 (2) As shown in FIGS. 2 to 6, the enlarged diameter portion 7 and the pipe holding portion 8 restrict displacement of the enlarged diameter portion 7 to at least the other side with respect to one side of the floor slab 2. It may be installed so that it can.
ここで、図２、図３、図５、図６では、床スラブ２の一側は床スラブ２の上面側、床スラブ２の他側は床スラブ２の下面側となっている。また、図４では、床スラブ２の一側は床スラブ２の下面側、床スラブ２の他側は床スラブ２の上面側となっている。但し、上下は逆にしても良い。 Here, in FIGS. 2, 3, 5, and 6, one side of the floor slab 2 is an upper surface side of the floor slab 2, and the other side of the floor slab 2 is a lower surface side of the floor slab 2. In FIG. 4, one side of the floor slab 2 is the lower surface side of the floor slab 2, and the other side of the floor slab 2 is the upper surface side of the floor slab 2. However, the top and bottom may be reversed.
（３）図１に示すように、上記拡径部７および上記配管保持部８は、床スラブ２の両側に対して、上記拡径部７の一側への変位および他側への変位の両方を規制し得るように設置されても良い。 (3) As shown in FIG. 1, the enlarged diameter portion 7 and the pipe holding portion 8 are displaced to one side of the enlarged diameter portion 7 and displaced to the other side with respect to both sides of the floor slab 2. You may install so that both can be controlled.
ここで、図１のものは、床スラブ２の一側における拡径部７と配管保持部８の組み合わせを、床スラブ２の両側に対して、互いに反対向きとなるように設置したものとされている。なお、図２〜図６のものについても、床スラブ２の両側で拡径部７と配管保持部８の組み合わせを反対向きにして２組設置させるようにしても良い。また、図１のものについては、図２〜図６と同様に、床スラブ２の一側にのみ拡径部７と配管保持部８の組み合わせを設置するようにしても良い。 Here, in FIG. 1, the combination of the enlarged diameter portion 7 and the pipe holding portion 8 on one side of the floor slab 2 is set to be opposite to each other with respect to both sides of the floor slab 2. ing. 2 to 6, two sets may be installed on both sides of the floor slab 2 such that the combination of the enlarged diameter portion 7 and the pipe holding portion 8 is opposite to each other. Moreover, about the thing of FIG. 1, you may make it install the combination of the enlarged diameter part 7 and the piping holding part 8 only in the one side of the floor slab 2 similarly to FIGS.
以下、上記配管保持部８の基本的な構造について説明する。 Hereinafter, a basic structure of the pipe holding unit 8 will be described.
（４）上記配管保持部８は、上記配管４を通して上記拡径部７を通さない大きさの穴状部３１を有すると共に、上記床スラブ２の貫通穴３よりも大きい外形部３２を有する横架部材３３とされている。
この横架部材３３は、穴状部３１に配管４が通されると共に拡径部７が係止された状態で、外形部３２が床スラブ２の貫通穴３の周囲に係止または固定されるようにしている。
(4) The pipe holding part 8 has a hole-shaped part 31 having a size that does not allow the enlarged diameter part 7 to pass through the pipe 4 and has a lateral part 32 that is larger than the through-hole 3 of the floor slab 2. The frame member 33 is used.
The horizontal member 33 is locked or fixed around the through hole 3 of the floor slab 2 with the pipe 4 passing through the hole 31 and the expanded diameter portion 7 locked. I try to do it.
ここで、横架部材３３は、図１、図５に示すように、塩ビなどの樹脂製のフランジリングなどとしても良い。この場合、横架部材３３の平面形状は、円形状とするのが好ましいが、例えば、多角形状やその他の形状などとしても良い。
または、図２〜図４、図６に示すように、金属製のもの（金具）としても良い。金属製の横架部材３３は、例えば、図２Ａ、図２Ｂに示すように、中間部に配管４の外径とほぼ等しい半円形状の凹部を有する２枚の金属バンド部材３８を合わせて穴状部３１と外形部３２とを形成し得るようにしたものなどとされる。２枚の金属バンド部材３８は、ボルトナットなどの締結具（固定具３９）によって一体に固定される。上記した横架部材３３には、床スラブ２に対してボルト３６でほぼ面直に固定可能な脚部３７を設けるようにしても良い。上記した脚部３７は、少なくとも電気熱融着継手２１と同じかそれ以上の長さを有して、周方向に複数備えられる。この場合には、脚部３７は、横架部材３３の両端部に左右一対設けられているが、脚部３７は、３本以上設けるようにしても良い。なお、床スラブ２の貫通穴３が大きい場合には、各脚部３７は、貫通穴３をまたぐようなハ字状に開いた形状のものなどとしても良い。
Here, the horizontal member 33 may be a flange ring made of resin such as polyvinyl chloride as shown in FIGS. In this case, the planar shape of the horizontal member 33 is preferably a circular shape, but may be a polygonal shape or other shapes, for example.
Or it is good also as a metal thing (metal fitting) as shown in FIGS. For example, as shown in FIGS. 2A and 2B, the metal horizontal member 33 is formed by combining two metal band members 38 having a semicircular recess substantially equal to the outer diameter of the pipe 4 in the intermediate portion. The shape portion 31 and the outer shape portion 32 can be formed. The two metal band members 38 are integrally fixed by a fastener (fixture 39) such as a bolt and nut. The horizontal member 33 described above may be provided with a leg portion 37 that can be fixed to the floor slab 2 with a bolt 36 substantially in a plane. The above-described leg portions 37 have at least the same length as or longer than the electric heat fusion joint 21 and are provided in the circumferential direction. In this case, a pair of left and right legs 37 are provided at both ends of the horizontal member 33, but three or more legs 37 may be provided. In addition, when the through-hole 3 of the floor slab 2 is large, each leg part 37 is good also as a thing of the shape opened in the C shape which straddles the through-hole 3, etc.
以下、より具体的な配管支持構造５の実施例について説明する。 Hereinafter, a more specific embodiment of the pipe support structure 5 will be described.
（５）図１の実施例では、上記配管保持部８が、上記拡径部７と床スラブ２との間に設置されるようにしている。 (5) In the embodiment of FIG. 1, the pipe holding portion 8 is installed between the enlarged diameter portion 7 and the floor slab 2.
この場合、床スラブ２の上面に対し、配管保持部８（横架部材３３）の下面を当接配置した状態で、配管保持部８（横架部材３３）の上面に拡径部７（電気熱融着継手２１）の下端部が接触するようにして、拡径部７が隙間なく取付けられている。但し、拡径部７の下端部と配管保持部８の上面との間や、配管保持部８の下面と床スラブ２の上面との間に、１ｍｍ〜３ｍｍ程度の僅かな隙間が生じても許容される。 In this case, with the lower surface of the pipe holding portion 8 (horizontal member 33) in contact with the upper surface of the floor slab 2, the enlarged diameter portion 7 (electrical portion 7) is formed on the upper surface of the pipe holding portion 8 (horizontal member 33). The enlarged diameter portion 7 is attached without a gap so that the lower end portion of the heat-sealing joint 21) contacts. However, even if a slight gap of about 1 mm to 3 mm is generated between the lower end portion of the enlarged diameter portion 7 and the upper surface of the pipe holding portion 8 or between the lower surface of the pipe holding portion 8 and the upper surface of the floor slab 2. Permissible.
また、床スラブ２の下面に対し、配管保持部８（横架部材３３）の上面を当接配置した状態で、配管保持部８（横架部材３３）の下面に拡径部７（電気熱融着継手２１）の上端部が接触するようにして、拡径部７が隙間なく取付けられている。但し、拡径部７の上端部と配管保持部８の下面との間や、配管保持部８の上面と床スラブ２の下面との間に、１ｍｍ〜３ｍｍ程度の僅かな隙間が生じても許容される。 In addition, in the state where the upper surface of the pipe holding portion 8 (horizontal member 33) is in contact with the lower surface of the floor slab 2, the enlarged diameter portion 7 (electric heat) is formed on the lower surface of the pipe holding portion 8 (horizontal member 33). The enlarged diameter portion 7 is attached without a gap so that the upper end portion of the fusion joint 21) contacts. However, even if a slight gap of about 1 mm to 3 mm is generated between the upper end portion of the enlarged diameter portion 7 and the lower surface of the pipe holding portion 8 or between the upper surface of the pipe holding portion 8 and the lower surface of the floor slab 2. Permissible.
なお、図１では、配管保持部８（横架部材３３）を床スラブ２に対してボルト３６で面直方向に固定するようにしているが、２つの配管保持部８（横架部材３３）で床スラブ２を両側から挟むようにしているので、必ずしもボルト３６は必要ない。 In FIG. 1, the pipe holding portion 8 (horizontal member 33) is fixed to the floor slab 2 in a direction perpendicular to the floor slab 2, but the two pipe holding portions 8 (horizontal member 33) are fixed. Therefore, the bolt 36 is not always necessary.
（６）図２の実施例では、上記配管保持部８が、２つの上記拡径部７の間に設けられるようにしている。 (6) In the embodiment of FIG. 2, the pipe holding part 8 is provided between the two enlarged diameter parts 7.
この場合、金属製の横架部材３３の脚部３７を床スラブ２にボルト３６で固定した状態で横架部材３３の上下面を挟持するように上下の電気熱融着継手２１が取付けられている。但し、横架部材３３の両面と拡径部７との間に、１ｍｍ〜３ｍｍ程度の僅かな隙間が生じても許容される。 In this case, the upper and lower electrothermal fusion joints 21 are attached so as to sandwich the upper and lower surfaces of the horizontal member 33 with the legs 37 of the metal horizontal member 33 fixed to the floor slab 2 with bolts 36. Yes. However, a slight gap of about 1 mm to 3 mm is allowed between the both sides of the horizontal member 33 and the enlarged diameter portion 7.
（７）図３、図４の実施例では、上記配管保持部８が、上記拡径部７の両側を挟むように設けられるようにしている。 (7) In the embodiment of FIGS. 3 and 4, the pipe holding portion 8 is provided so as to sandwich both sides of the enlarged diameter portion 7.
この場合、配管４に取付けられた電気熱融着継手２１の上下面を２つの金属製の横架部材３３で挟持すると共に、各横架部材３３の脚部３７を床スラブ２にボルト３６で固定するようにしている。なお、２つの金属製の横架部材３３は、連結部材などで一体に連結したものなどとしても良い。但し、拡径部７の両端部と横架部材３３との間に、１ｍｍ〜３ｍｍ程度の僅かな隙間が生じても許容される。 In this case, the upper and lower surfaces of the electric heat fusion joint 21 attached to the pipe 4 are sandwiched between two metal horizontal members 33, and the legs 37 of the horizontal members 33 are fixed to the floor slab 2 with bolts 36. I try to fix it. The two metal horizontal members 33 may be integrally connected by a connecting member or the like. However, even a slight gap of about 1 mm to 3 mm is allowed between both end portions of the enlarged diameter portion 7 and the horizontal member 33.
なお、図３は、床スラブ２の上面側に設ける場合、図４は、床スラブ２の下面側に設ける場合を示している。また、図４では、横管１３を接続するための分岐継手１２を、電気熱融着継手２１としている。横管１３は、この分岐継手１２に更に、別の電気熱融着継手２１ａを介して接続されている。そして、上記した電気熱融着継手２１の内部では、上側の配管４ａと下側の配管４ｂとの接合が行われている。 3 shows a case where the floor slab 2 is provided on the upper surface side, and FIG. 4 shows a case where the floor slab 2 is provided on the lower surface side. In FIG. 4, the branch joint 12 for connecting the horizontal pipe 13 is an electrothermal fusion joint 21. The horizontal pipe 13 is further connected to the branch joint 12 via another electric heat fusion joint 21a. And inside the above-mentioned electrothermal fusion joint 21, the upper pipe 4a and the lower pipe 4b are joined.
（８）図５の実施例では、上記配管保持部８が、上記拡径部７に一体に設けられている。 (8) In the embodiment of FIG. 5, the pipe holding portion 8 is provided integrally with the enlarged diameter portion 7.
この場合、電気熱融着継手２１の下端部に横架部材３３が一体に設けられている。この樹脂製の横架部材３３は、床スラブ２の上面に直接ボルト３６で面直方向に固定されている。但し、横架部材３３と床スラブ２との間に、１ｍｍ〜３ｍｍ程度の僅かな隙間が生じても許容される。
なお、図５Ａの変形例に示すように、電気熱融着継手２１の上端部に横架部材３３を一体に設けるようにしても良い。この場合、横架部材３３は脚部３７を介して床スラブ２に固定されている。
In this case, the horizontal member 33 is integrally provided at the lower end portion of the electric heat fusion joint 21. The resin horizontal member 33 is directly fixed to the upper surface of the floor slab 2 with bolts 36 in the direction perpendicular to the surface. However, a slight gap of about 1 mm to 3 mm is allowed between the horizontal member 33 and the floor slab 2.
5A, the horizontal member 33 may be integrally provided at the upper end portion of the electrothermal fusion joint 21. In this case, the horizontal member 33 is fixed to the floor slab 2 via the legs 37.
（９）図６の実施例では、上記配管保持部８が、上記拡径部７の中間部に形成された溝部４１に嵌着されるようにしている。 (9) In the embodiment of FIG. 6, the pipe holding portion 8 is fitted into a groove portion 41 formed in the intermediate portion of the enlarged diameter portion 7.
（１０）上記各場合において、配管４の貫通穴３に対する貫通部分４ｈの周囲に断熱材５１（グラスウール）が取付けられるようにしている。 (10) In each of the above cases, the heat insulating material 51 (glass wool) is attached around the through portion 4 h with respect to the through hole 3 of the pipe 4.
この場合、断熱材５１は、グラスウールなどとされる。但し、グラスウール以外の断熱材５１を使用しても良い。 In this case, the heat insulating material 51 is glass wool or the like. However, a heat insulating material 51 other than glass wool may be used.
更に、この断熱材５１の周囲には、更に、耐火シート５２が巻き付けられている。この耐火シート５２は、例えば、熱膨張性黒鉛を含むことにより、火災などの発生時に熱膨張性黒鉛が熱膨張して貫通穴３を塞ぐようにしたものとされる。 Furthermore, a fireproof sheet 52 is further wound around the heat insulating material 51. The refractory sheet 52 includes, for example, thermally expandable graphite so that the thermally expandable graphite is thermally expanded at the time of occurrence of a fire or the like so as to close the through hole 3.
耐火シート５２と貫通穴３との間には、上記したようにモルタル１１が打設される。 As described above, the mortar 11 is placed between the fireproof sheet 52 and the through hole 3.
＜作用効果＞この実施例によれば、以下のような作用効果を得ることができる。 <Effect> According to this embodiment, the following effects can be obtained.
（作用効果１）建物１の床スラブ２に形成された貫通穴３に配管４を貫通配置した。これにより、例えば、建物１の上下の階層間隔壁（床スラブ２）を貫通して上下方向へ延びる温水管や冷水管などを設置することができる。 (Operation Effect 1) The piping 4 is disposed through the through hole 3 formed in the floor slab 2 of the building 1. Thereby, for example, a hot water pipe or a cold water pipe that passes through the upper and lower hierarchical spacing walls (floor slab 2) of the building 1 and extends in the vertical direction can be installed.
配管４の貫通穴３に対する貫通部分４ｈの近傍に、配管４と一体の拡径部７を形成した。これにより、拡径部７を、熱伸縮する配管４における位置固定点に定めることができると共に、建物１に対する配管４の位置固定点を貫通穴３の近傍に定めることができる。また、この拡径部７を、配管４に対する配管保持部８の取付部として利用することができる。 An enlarged diameter portion 7 integrated with the pipe 4 was formed in the vicinity of the through portion 4 h with respect to the through hole 3 of the pipe 4. Thereby, the enlarged diameter portion 7 can be determined at a position fixing point in the pipe 4 that is thermally expanded and contracted, and a position fixing point of the pipe 4 with respect to the building 1 can be determined in the vicinity of the through hole 3. Further, the enlarged diameter portion 7 can be used as an attachment portion of the pipe holding portion 8 with respect to the pipe 4.
拡径部７と床スラブ２との間に配管保持部８を取付けた。これにより、拡径部７を利用して配管保持部８を容易に取付けることができるようになるので、施工時間を短縮することができる。 A pipe holding portion 8 was attached between the enlarged diameter portion 7 and the floor slab 2. Thereby, since the pipe holding part 8 can be easily attached using the enlarged diameter part 7, the construction time can be shortened.
また、配管４が熱伸縮した場合に、拡径部７と床スラブ２との間に取付けられた配管保持部８によって、拡径部７の位置を床スラブ２の近傍に保持することができる。この際、拡径部７は配管４と一体になっているので、拡径部７を利用して配管保持部８を取付けることで、配管保持部８が配管４に沿って位置ズレなどを起こすことを防止でき、配管保持部８を強固に設置することができる。その結果、配管４と床スラブ２との固定性が高まって、図８に示すように、配管４の熱伸縮の影響が配管保持部８の間での配管４の撓みとして吸収されるようになる。よって、例えば、図９に示すように、配管４と配管保持部８との間にズレが生じることで、配管４が全体的に長手方向（例えば、配管４の上端側）へ変位して建物１に対する納まり不良が発生したり、上方へ変位された配管４の上端側が建物１の天井部２ａに突き当たって上端側に急激な曲がりが発生したり、配管４に接続された横管１３に対する分岐継手１２などに応力が集中したり、横管１３を支持する配管固定具１８が破損されたりするような不具合を防止することができる。 Further, when the pipe 4 is thermally expanded and contracted, the position of the enlarged diameter portion 7 can be held near the floor slab 2 by the piping holding portion 8 attached between the enlarged diameter portion 7 and the floor slab 2. . At this time, since the enlarged diameter portion 7 is integrated with the pipe 4, the pipe holding portion 8 is displaced along the pipe 4 by attaching the pipe holding portion 8 using the enlarged diameter portion 7. This can be prevented, and the pipe holding portion 8 can be firmly installed. As a result, the fixing property between the pipe 4 and the floor slab 2 is enhanced, and the influence of thermal expansion and contraction of the pipe 4 is absorbed as the bending of the pipe 4 between the pipe holding portions 8 as shown in FIG. Become. Therefore, for example, as shown in FIG. 9, the displacement between the pipe 4 and the pipe holding portion 8 causes the pipe 4 to be displaced in the longitudinal direction (for example, the upper end side of the pipe 4) as a whole. 1 or the upper end side of the pipe 4 displaced upward hits the ceiling portion 2a of the building 1 and a sharp bend occurs at the upper end side, or the branch pipe 13 connected to the pipe 4 branches off. It is possible to prevent such a problem that stress is concentrated on the joint 12 or the like, or the pipe fixture 18 that supports the horizontal pipe 13 is damaged.
（作用効果２）拡径部７および配管保持部８を床スラブ２の一側に設けて、拡径部７の少なくとも他側への変位を規制させるようにした。これにより、配管４の熱伸縮に対して、拡径部７の少なくとも他側への変位を有効に防止する支持構造を得ることができる。また、拡径部７および配管保持部８を、床スラブ２の一側にのみ設ければ良いので、施工を容易化することができる。 (Effect 2) The enlarged diameter portion 7 and the pipe holding portion 8 are provided on one side of the floor slab 2 so as to restrict the displacement of the enlarged diameter portion 7 to at least the other side. Thereby, the support structure which prevents effectively the displacement to the other side of the enlarged diameter part 7 at least with respect to the thermal expansion and contraction of the piping 4 can be obtained. Moreover, since the enlarged diameter part 7 and the piping holding part 8 should just be provided only in one side of the floor slab 2, construction can be made easy.
（作用効果３）拡径部７および配管保持部８を床スラブ２の両側に設けて、拡径部７の一側への変位および他側への変位の両方を規制させるようにした。これにより、配管４の熱伸縮に対して、拡径部７の変位を有効に防止する支持構造を得ることができる。また、拡径部７および配管保持部８を、床スラブ２の両側に設けることで、より強固で確実な施工状態を得ることができる。 (Effect 3) The enlarged-diameter part 7 and the pipe holding part 8 are provided on both sides of the floor slab 2 so as to restrict both the displacement toward the one side and the displacement toward the other side. Thereby, the support structure which prevents effectively the displacement of the enlarged diameter part 7 with respect to the thermal expansion-contraction of the piping 4 can be obtained. Further, by providing the enlarged diameter portion 7 and the pipe holding portion 8 on both sides of the floor slab 2, a stronger and more reliable construction state can be obtained.
（作用効果４）配管保持部８を横架部材３３とした。そして、この横架部材３３の穴状部３１に配管４を通して拡径部７を係止させ、外形部３２を床スラブ２の貫通穴３の周囲に係止または固定させるようにした。これにより、配管保持部８は、簡単な構造で拡径部７の変位を有効に拘束できるものとなる。 (Effect 4) The pipe holding part 8 was used as the horizontal member 33. Then, the enlarged diameter portion 7 is locked to the hole-shaped portion 31 of the horizontal member 33 through the pipe 4, and the outer portion 32 is locked or fixed around the through hole 3 of the floor slab 2. Thereby, the piping holding part 8 can restrain the displacement of the enlarged diameter part 7 effectively with a simple structure.
（作用効果５）拡径部７と床スラブ２との間に配管保持部８を設置した。これにより、少ないスペースに拡径部７と配管保持部８とをコンパクトにまとめて設置することができる。 (Effect 5) The piping holding part 8 was installed between the enlarged diameter part 7 and the floor slab 2. As shown in FIG. Thereby, the enlarged diameter part 7 and the piping holding | maintenance part 8 can be installed collectively in a small space compactly.
（作用効果６）２つの拡径部７の間に配管保持部８を設けた。これにより、２つの拡径部７で配管４の伸縮時における拡径部７の両方向への変位を拘束することができる。また、２つの拡径部７の間に配管保持部８を挟むことにより、配管保持部８の設置を容易化することができる。 (Operation Effect 6) A pipe holding portion 8 is provided between the two enlarged diameter portions 7. Thereby, the displacement to the both directions of the enlarged diameter part 7 at the time of expansion / contraction of the piping 4 can be restrained with the two enlarged diameter parts 7. FIG. Further, the piping holding part 8 can be easily installed by sandwiching the pipe holding part 8 between the two enlarged diameter parts 7.
（作用効果７）拡径部７の両側を挟むように配管保持部８を設けた。これにより、拡径部７の両側を挟む配管保持部８で配管４の伸縮時における拡径部７の両方向への変位を一度に拘束することができる。また、拡径部７の設置数を少なくすることができる。 (Effect 7) The piping holding part 8 was provided so that the both sides of the enlarged diameter part 7 might be pinched | interposed. Thereby, the displacement to the both directions of the enlarged diameter part 7 at the time of expansion / contraction of the piping 4 can be restrained at once by the piping holding part 8 which pinches the both sides of the enlarged diameter part 7. FIG. Moreover, the number of installation of the enlarged diameter part 7 can be decreased.
（作用効果８）上記拡径部７に配管保持部８を一体に設けた。これにより、拡径部７と配管保持部８とを１つにまとめたシンプルな構造が得られる。また、配管保持部８を貫通穴３の周囲に固定することで、配管４の伸縮時における拡径部７の両方向への変位を一度に拘束することができる。 (Effect 8) The pipe holding part 8 was integrally provided in the said enlarged diameter part 7. FIG. Thereby, the simple structure which put together the enlarged diameter part 7 and the piping holding part 8 is obtained. In addition, by fixing the pipe holding portion 8 around the through hole 3, the displacement of the enlarged diameter portion 7 in both directions when the pipe 4 is expanded and contracted can be restricted at a time.
（作用効果９）拡径部７の中間部に形成された溝部４１に配管保持部８を嵌着した。これにより、１個の拡径部７で、配管４の伸縮時における拡径部７の両方向への変位を一度に拘束することができる。 (Effect 9) The pipe holding part 8 was fitted in the groove part 41 formed in the intermediate part of the enlarged diameter part 7. Thereby, the displacement to the both directions of the enlarged diameter part 7 at the time of expansion / contraction of the piping 4 can be restrained at once by the one enlarged diameter part 7. FIG.
（作用効果１０）配管４の貫通部分４ｈに断熱材５１を取付けた。これにより、配管４の貫通部分４ｈについても断熱性を確保することができる。そして、断熱性の欠落をなくすことができる。 (Effect 10) The heat insulating material 51 was attached to the penetration part 4h of the piping 4. FIG. Thereby, heat insulation is securable also about the penetration part 4h of the piping 4. FIG. And lack of heat insulation can be eliminated.
以上、この発明の実施の形態を図面により詳述してきたが、実施の形態はこの発明の例示にしか過ぎないものである。よって、この発明は実施の形態の構成にのみ限定されるものではなく、この発明の要旨を逸脱しない範囲の設計の変更等があってもこの発明に含まれることは勿論である。また、例えば、各実施の形態に複数の構成が含まれている場合には、特に記載がなくとも、これらの構成の可能な組合せが含まれることは勿論である。また、実施の形態に複数の実施例や変形例がこの発明のものとして開示されている場合には、特に記載がなくとも、これらに跨がった構成の組合せのうちの可能なものが含まれることは勿論である。また、図面に描かれている構成については、特に記載がなくとも、含まれることは勿論である。更に、「等」の用語がある場合には、同等のものを含むという意味で用いられている。また、「ほぼ」「約」「程度」などの用語がある場合には、常識的に認められる範囲や精度のものを含むという意味で用いられている。 As mentioned above, although embodiment of this invention has been explained in full detail with drawing, embodiment is only an illustration of this invention. Therefore, the present invention is not limited only to the configuration of the embodiment, and it goes without saying that design changes and the like within a scope not departing from the gist of the present invention are included in the present invention. Further, for example, when each embodiment includes a plurality of configurations, it is a matter of course that possible combinations of these configurations are included even if not specifically described. In addition, in the case where a plurality of examples and modifications are disclosed in the embodiment as those of the present invention, possible combinations of combinations extending over these are included even if not specifically described. Of course. Further, the configuration depicted in the drawings is of course included even if not particularly described. Further, when there is a term of “etc.”, it is used in the sense that the equivalent is included. In addition, when there are terms such as “almost”, “about”, “degree”, etc., they are used in the sense that they include those in the range and accuracy recognized by common sense.
１ 建物
２ 床スラブ
３ 貫通穴
４ 配管
４ｈ 貫通部分
５ 配管支持構造
７ 拡径部
８ 配管保持部
３１ 穴状部
３２ 外形部
３３ 横架部材
４１ 溝部
５１ 断熱材
DESCRIPTION OF SYMBOLS 1 Building 2 Floor slab 3 Through-hole 4 Piping 4h Through-hole 5 Piping support structure 7 Expanded diameter part 8 Piping holding part 31 Hole-shaped part 32 Outer part 33 Horizontal member 41 Groove part 51 Thermal insulation
Claims (10)
該配管の前記貫通穴に対する貫通部分の近傍に、配管と一体化された拡径部が形成されており、
該拡径部と前記床スラブとの間に、配管の熱伸縮に拘わらず、床スラブに対して拡径部の位置を保持する配管保持部が取付けられていることを特徴とする配管支持構造。 Piping is arranged through the through hole formed in the floor slab of the building,
In the vicinity of the penetrating part of the pipe with respect to the through hole, an enlarged diameter part integrated with the pipe is formed,
A pipe support structure in which a pipe holding part that holds the position of the large diameter part with respect to the floor slab is attached between the enlarged diameter part and the floor slab regardless of thermal expansion and contraction of the pipe. .
前記拡径部および前記配管保持部が、床スラブの一側に対して、前記拡径部の少なくとも他側への変位を規制し得るように設置されていることを特徴とする配管支持構造。 In the piping support structure according to claim 1,
The pipe support structure, wherein the enlarged diameter part and the pipe holding part are installed with respect to one side of the floor slab so as to restrict displacement of the enlarged diameter part to at least the other side.
前記拡径部および前記配管保持部が、床スラブの両側に対して、前記拡径部の一側への変位および他側への変位の両方を規制し得るように設置されていることを特徴とする配管支持構造。 In the piping support structure according to claim 1,
The enlarged diameter part and the pipe holding part are installed on both sides of the floor slab so as to be able to regulate both displacement to one side of the enlarged diameter part and displacement to the other side. Piping support structure.
前記配管保持部は、前記配管を通して前記拡径部を通さない穴状部を有すると共に、前記床スラブの貫通穴よりも大きい外形部を有する横架部材とされており、
該部材は、穴状部に配管が通されると共に拡径部が係止された状態で、外形部が床スラブの貫通穴の周囲に係止または固定されていることを特徴とする配管支持構造。 In the piping support structure according to any one of claims 1 to 3,
The pipe holding part has a hole-like part that does not allow the enlarged diameter part to pass through the pipe, and is a horizontal member having a larger outer part than the through hole of the floor slab,
The pipe support is characterized in that the pipe is passed through the hole-shaped part and the enlarged-diameter part is locked, and the outer part is locked or fixed around the through hole of the floor slab. Construction.
前記配管保持部が、前記拡径部と床スラブとの間に設置されていることを特徴とする配管支持構造。 In the piping support structure according to claim 4,
The pipe support structure, wherein the pipe holding part is installed between the enlarged diameter part and a floor slab.
前記配管保持部が、２つの前記拡径部の間に設けられていることを特徴とする配管支持構造。 In the piping support structure according to claim 4,
The pipe support structure, wherein the pipe holding part is provided between the two enlarged diameter parts.
前記配管保持部が、前記拡径部の両側を挟むように設けられていることを特徴とする配管支持構造。 In the piping support structure according to claim 4,
The pipe support structure, wherein the pipe holding part is provided so as to sandwich both sides of the enlarged diameter part.
前記配管保持部が、前記拡径部に一体に設けられていることを特徴とする配管支持構造。 In the piping support structure according to claim 4,
The pipe support structure, wherein the pipe holding part is provided integrally with the enlarged diameter part.
前記配管保持部が、前記拡径部の中間部に形成された溝部に嵌着されていることを特徴とする配管支持構造。 In the piping support structure according to claim 4,
The pipe support structure, wherein the pipe holding part is fitted in a groove part formed in an intermediate part of the enlarged diameter part.
配管の貫通穴に対する貫通部分の周囲に断熱材が取付けられていることを特徴とする配管支持構造。 In the piping support structure according to any one of claims 1 to 9,
A pipe support structure, wherein a heat insulating material is attached around a through portion with respect to a through hole of the pipe.
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| JP2017120092A (en) * | 2015-12-28 | 2017-07-06 | 積水化学工業株式会社 | Piping structure |
| JP2019083806A (en) * | 2017-11-01 | 2019-06-06 | 三菱ケミカルインフラテック株式会社 | Plant cultivation device |
| JP2020143746A (en) * | 2019-03-07 | 2020-09-10 | 大和ハウス工業株式会社 | Pipe member holder and pipe member arrangement structure |
| WO2023089854A1 (en) * | 2021-11-19 | 2023-05-25 | 因幡電機産業株式会社 | Pipe support member |
| JP7587060B2 (ja) | 2021-11-19 | 2024-11-19 | 因幡電機産業株式会社 | 配管支持部材 |
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