JPS634079B2 - - Google Patents
Info
- Publication number
- JPS634079B2 JPS634079B2 JP54067990A JP6799079A JPS634079B2 JP S634079 B2 JPS634079 B2 JP S634079B2 JP 54067990 A JP54067990 A JP 54067990A JP 6799079 A JP6799079 A JP 6799079A JP S634079 B2 JPS634079 B2 JP S634079B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- pipe joint
- fire
- resistant
- joint structure
- 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
Links
- 230000009970 fire resistant effect Effects 0.000 claims description 26
- 230000037431 insertion Effects 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 16
- 229920003002 synthetic resin Polymers 0.000 claims description 16
- 239000000057 synthetic resin Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 9
- 230000008602 contraction Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】
イ 産業上の利用分野
本発明は建築物の排水管の内管の軸方向の伸長
を吸収するための耐火性管継手構造に関するもの
で、従来の伸縮継手の改良に係るものである。Detailed Description of the Invention A. Field of Industrial Application The present invention relates to a fire-resistant pipe joint structure for absorbing the axial extension of the inner pipe of a drainage pipe in a building, and is an improvement on conventional expansion joints. This is related.
ロ 従来の技術
従来、合成樹脂製内管と無機質凝結材製外管か
らなる耐火性管継手構造に熱湯等を通した場合、
合成樹脂製内管が膨脹しても、膨脹を吸収する手
段がとられておらず、耐火性管継手構造の内管の
みが伸長し、外管は伸長しないので外管の接合部
分が離間し、内管が露出する欠陥があつた。B. Conventional technology Conventionally, when hot water, etc. is passed through a fire-resistant pipe joint structure consisting of an inner pipe made of synthetic resin and an outer pipe made of inorganic coagulated material,
Even if the synthetic resin inner tube expands, there is no means to absorb the expansion, so only the inner tube with a fire-resistant joint structure expands, and the outer tube does not, causing the joints of the outer tube to separate. , there was a defect that exposed the inner tube.
ハ 発明が解決しようとする問題点
本発明は耐火性管継手構造に熱湯等を通した場
合、内管が軸方向に伸長しても、内管の伸長は管
継手内奥部段部と直管の差込口先端の間の間隙範
囲内に留められるようにするものである。C. Problems to be Solved by the Invention The present invention solves the problem that when hot water or the like is passed through a fire-resistant pipe joint structure, even if the inner pipe extends in the axial direction, the extension of the inner pipe is straight with the inner step inside the pipe joint. It is intended to remain within the gap between the tube spigot tips.
また、本発明は受口と差込口との接続部分に柔
軟性を持たせ、地震時の管の変位を吸収し、耐震
性を有した耐火性管継手構造を提供することを目
的としている。 Further, the present invention aims to provide a fire-resistant pipe joint structure that has flexibility in the connecting portion between the socket and the insertion port, absorbs displacement of the pipe during an earthquake, and has earthquake resistance. .
更にまた接続部分に耐火性を持たせるための目
地施工等の接続作業を不要とした耐火性管継手構
造を提供することを目的としている。 Furthermore, it is an object of the present invention to provide a fire-resistant pipe joint structure that does not require connection work such as joint construction in order to impart fire resistance to the connection portion.
ニ 問題点を解決するための手段
本発明は合成樹脂製内管１と無機質凝結材製外
管２とからなる耐火性管継手構造において、ゴム
リング６の装着されたリング装着用凹溝４を内管
１に備え、内奥部に段部３を設けた受口が形成さ
れた管継手Ｆと、合成樹脂製内管のみを外管より
突出して差込口が形成された直管Ｐとの滑動可能
の差し込み構造を有し、前記管継手内奥部段部３
と直管の差込口先端の間に間隙ｔをもたせると共
に管継手内管受口端部と直管外管端部とを衝合さ
せて管継手内管の受口内面に直管内管の差込口外
面を滑動可能に挿入して構成したものである。D. Means for Solving the Problems The present invention provides a fire-resistant pipe joint structure consisting of an inner pipe 1 made of synthetic resin and an outer pipe 2 made of inorganic coagulated material. A pipe joint F is provided with a socket for the inner pipe 1 and has a stepped portion 3 at the inner depth, and a straight pipe P is formed with an insertion port formed by protruding only the synthetic resin inner pipe from the outer pipe. It has a slidable insertion structure, and the deep step part 3 inside the pipe joint has a slidable insertion structure.
A gap t is provided between the insertion port tip of the straight pipe and the socket end of the inner pipe of the pipe joint is brought into contact with the end of the straight pipe outer pipe, so that the inner pipe of the straight pipe is attached to the inner surface of the socket of the pipe joint inner pipe. The outer surface of the receptacle is slidably inserted into the receptacle.
ホ 作用
本発明は、上記の構成であるので、耐火性管継
手構造に熱湯等を通しても、内管の伸長は管継手
内奥部段部と直管の差込口先端間の間隙内に留め
ることができる。E. Effect Since the present invention has the above-described configuration, even when hot water or the like is poured into the fire-resistant pipe joint structure, the extension of the inner pipe remains within the gap between the deep step inside the pipe joint and the tip of the insertion port of the straight pipe. be able to.
ヘ 実施例
本発明の一実施例を図面に従い説明する。第
１，２図において、耐火性管状構造体は耐火性の
直管Ｐ，P′と、両者を接続する耐火性の管継手Ｆ
とからなり、各部品において、１は耐火性管状構
造体の合成樹脂製内管、２は石綿とセメント等を
原材料として形成された無機質凝結材からなる耐
火性管状構造体の外管である。F. Example An example of the present invention will be described with reference to the drawings. In Figures 1 and 2, the fire-resistant tubular structure consists of fire-resistant straight pipes P and P' and a fire-resistant pipe joint F that connects them.
In each part, 1 is an inner tube made of synthetic resin of a fire-resistant tubular structure, and 2 is an outer tube of a fire-resistant tubular structure made of an inorganic coagulant made of asbestos, cement, etc. as raw materials.
直管Ｐ，P′の差込口においては前記内管１が外
管２より突出した状態にあり、管継手Ｆにその差
込口を差し込んだ状態で間隙ｔが確保されるよう
になつている。 At the insertion ports of the straight pipes P and P', the inner pipe 1 is in a state protruding from the outer pipe 2, and a gap t is ensured when the insertion port is inserted into the pipe joint F. There is.
それは、管継手Ｆの内管の内奥部に段部３を設
けてあるので、一方の直管（第１図ではP′）の差
し込み深さを規定することができるようになつて
いるからである。 This is because the step 3 is provided deep inside the inner pipe of the pipe fitting F, so that the insertion depth of one straight pipe (P' in Figure 1) can be determined. It is.
管継手Ｆの受口においては、合成樹脂製内管の
内奥部に段部３を設け、この段部３と他方の直管
（第１図ではＰ）の差込口先端との間に直径100mm
の場合、約25mmの間隙ｔを設けて、合成樹脂製内
管の伸縮を吸収している。この間隙ｔは通常の温
度条件においては、ｔ＞ｏであることは勿論であ
る。 At the socket of the pipe fitting F, a step 3 is provided deep inside the synthetic resin inner pipe, and a step 3 is provided between the step 3 and the insertion tip of the other straight pipe (P in Fig. 1). Diameter 100mm
In this case, a gap t of approximately 25 mm is provided to absorb the expansion and contraction of the synthetic resin inner tube. Of course, this gap t is t>o under normal temperature conditions.
前記受口の開口末端附近にはリング装着用の凹
溝４が設けられ、図示の例では内管１の開口部に
孔あきキヤツプを被冠して接着剤で接着し一体化
してあるが、内管１の端部を凹溝に加工してもよ
く、前記凹溝４には舌片５付きのゴムリング６が
装着されシールしている。第２図は管継手Ｆの内
管を二部材から構成した別の実施例を示し、管継
手Ｆの受口に大径部７が設けられ、大径部７に傾
斜面を介して小径部８が続いている。この小径部
８を包囲して内奥部に段部３を設けたソケツト９
が接着されている。 A concave groove 4 for attaching a ring is provided near the opening end of the socket, and in the illustrated example, a perforated cap is placed over the opening of the inner tube 1 and bonded with adhesive to integrate it. The end of the inner tube 1 may be formed into a groove, and a rubber ring 6 with tongues 5 is attached to the groove 4 for sealing. FIG. 2 shows another embodiment in which the inner pipe of the pipe fitting F is composed of two members, in which a large diameter portion 7 is provided at the socket of the pipe fitting F, and a small diameter portion is provided on the large diameter portion 7 via an inclined surface. 8 continues. A socket 9 that surrounds this small diameter portion 8 and has a stepped portion 3 deep inside.
is glued.
第３図は両端に受口を有する別の管継手の実施
例であり、建築物の構造上変形が大きいと予想さ
れる所や対地震用に製造されたものである。 FIG. 3 shows another embodiment of a pipe joint having sockets at both ends, which is manufactured for use in areas where structural deformation of buildings is expected to be large and for earthquake protection.
第１，２，３図において符号１０は合成樹脂製
内管１と無機質凝結材製外管２との間に介装され
た合成樹脂発泡材等の中間層であり、合成樹脂内
管１に合成樹脂系接着剤により貼着されている。 In FIGS. 1, 2, and 3, reference numeral 10 is an intermediate layer made of a synthetic resin foam material, etc., interposed between the synthetic resin inner tube 1 and the inorganic coagulated material outer tube 2. It is attached using a synthetic resin adhesive.
前記発泡材等の中間層により内管の半径方向の
膨脹、収縮を吸収するが、汚水排水管等使用時に
おける内管の伸縮の程度が小さい時は前記中間層
を省略することができる。 The intermediate layer, such as the foamed material, absorbs the expansion and contraction of the inner pipe in the radial direction, but the intermediate layer can be omitted when the degree of expansion and contraction of the inner pipe during use, such as in a sewage drainage pipe, is small.
又、第１，２図において符号１１は内管１と外
管２との間に介在部材により形成された空間であ
るが、使用時における内管の伸縮の程度が小さい
時は設けなくともよい。 Further, in FIGS. 1 and 2, reference numeral 11 is a space formed by an intervening member between the inner tube 1 and the outer tube 2, but it may not be provided if the degree of expansion and contraction of the inner tube during use is small. .
第４図の使用例において、建築物の各階に立管
から横管が分枝するために管継手F1，F2……が
設けられ、各々の管継手F1，F2……の間に合成
樹脂製内管の軸方向の伸縮を吸収するための管継
手Ｆが設けられる。 In the usage example shown in Fig. 4, pipe joints F 1 , F 2 , etc. are provided so that horizontal pipes branch from the vertical pipes on each floor of the building, and between each pipe joint F 1 , F 2 , etc. A pipe joint F is provided to absorb the expansion and contraction of the synthetic resin inner pipe in the axial direction.
そして管継手Ｆとそれに接続する直管P′が一体
化形成されている。 The pipe joint F and the straight pipe P' connected thereto are integrally formed.
又、管継手Ｆは他の管継手F1，F2と異なり、
内管を接着剤で接合せず、直管の差込口の外表面
と管継手受口内のゴムリングの内周に例えば金属
石鹸、水、脂肪族アルコール等からなる滑剤を塗
布して、管継手Ｆの受口に直管の差込口を挿入し
たので、直管は管継手の受口内を滑動することが
できる。 Also, pipe fitting F is different from other pipe fittings F 1 and F 2 ,
Instead of joining the inner pipe with adhesive, apply a lubricant made of metal soap, water, aliphatic alcohol, etc. to the outer surface of the straight pipe insertion port and the inner periphery of the rubber ring inside the pipe joint socket. Since the insertion port of the straight pipe was inserted into the socket of the joint F, the straight pipe can slide inside the socket of the pipe joint.
ト 発明の効果
本発明の耐火性管継手構造は上記の構成である
ので、次のような効果を有する。G. Effects of the Invention Since the fire-resistant pipe joint structure of the present invention has the above configuration, it has the following effects.
耐火性管状構造体の合成樹脂製内管の温度上
昇による軸方向の伸長を吸収することができ
る。 It is possible to absorb the elongation in the axial direction due to the temperature rise of the synthetic resin inner tube of the fire-resistant tubular structure.
耐火性管継手構造には管継手があるので当該
部分で軸方向の少量の曲り例えば５度程度の角
度変位があつてもこの変位を吸収し、耐火性管
状構造体は破損することがなく、耐震効果があ
る。 Since the fire-resistant pipe joint structure includes a pipe joint, even if there is a small amount of bending in the axial direction at that part, for example, an angular displacement of about 5 degrees, this displacement will be absorbed, and the fire-resistant tubular structure will not be damaged. It has an earthquake-resistant effect.
本発明の耐火性管継手構造は、第４図に示す
如く管継手Ｆとそれに接続する直管部分P′を予
め工場で一体化形成してあるので、建築物の階
と階との間の接続部分は分枝部分を除き１ケ所
だけとなり、耐火性を持たせるための目地施工
等の接続作業の手間も資材も不要となり、経済
的で能率がよい。 In the fire-resistant pipe joint structure of the present invention, as shown in Fig. 4, the pipe joint F and the straight pipe section P' connected to it are integrated in advance at the factory, so that There is only one connection part, excluding the branch part, and there is no need for labor or materials for connection work such as joint construction to ensure fire resistance, making it economical and efficient.
第１図は本発明の耐火性管継手構造の要部を示
す縦断面図、第２，３図は他の実施例を示す縦断
面図、第４図は本発明の耐火性管継手構造の施工
状態を示す図である。
１……合成樹脂製内管、２……無機質凝結材製
外管、３……段部、ｔ……間隙。
Fig. 1 is a longitudinal cross-sectional view showing the main parts of the fire-resistant pipe joint structure of the present invention, Figs. 2 and 3 are longitudinal cross-sectional views showing other embodiments, and Fig. 4 is a longitudinal cross-sectional view of the fire-resistant pipe joint structure of the present invention. It is a figure showing a construction state. 1... Inner tube made of synthetic resin, 2... Outer tube made of inorganic coagulated material, 3... Step portion, t... Gap.
Claims (1)
なる耐火性管継手構造において、ゴムリングの装
置されたリング装着用凹溝を内管に備え、内奥部
に段部を設けた受口が形成された管継手と、合成
樹脂製内管のみを外管より突出して差込口が形成
された直管との滑動可能の差し込み構造を有し、
前記管継手内奥部段部と直管の差込口先端の間に
間隙をもたせると共に管継手内管受口端部と直管
外管端部とを衝合させて管継手内管の受口内面に
直管内管の差込口外面を滑動可能に挿入したこと
を特徴とする耐火性管継手構造。 ２ 特許請求の範囲第１項記載の耐火性管継手構
造において、大径部が内管管継手に設けられると
共に、前記内管を部分的に包囲して装着されたソ
ケツトの内奥部に段部を設けた前記受口が構成さ
れていることを特徴とする耐火性管継手構造。 ３ 特許請求の範囲第１項又は第２項記載の耐火
性管継手構造において、耐火性管継手構造は合成
樹脂製内管と無機質凝結材製外管の間に発泡材等
の中間層を介在している。[Scope of Claims] 1. In a fire-resistant pipe joint structure consisting of an inner pipe made of synthetic resin and an outer pipe made of inorganic coagulated material, the inner pipe is provided with a concave groove for attaching a ring equipped with a rubber ring, and It has a slidable insertion structure with a pipe joint in which a stepped socket is formed, and a straight pipe in which only the synthetic resin inner tube protrudes from the outer tube to form an insertion port,
A gap is provided between the inner step inside the pipe joint and the straight pipe insertion end, and the inner pipe socket end of the pipe joint and the straight pipe outer pipe end are brought into contact with each other to receive the inner pipe of the pipe joint. A fire-resistant pipe joint structure characterized in that the outer surface of the insertion port of a straight inner pipe is slidably inserted into the inner surface of the mouth. 2. In the fire-resistant pipe joint structure according to claim 1, the large-diameter portion is provided in the inner pipe joint, and a stepped portion is provided in the deep inner part of the socket that partially surrounds the inner pipe and is attached. A fire-resistant pipe joint structure, characterized in that the socket is configured with a section. 3. In the fire-resistant pipe joint structure according to claim 1 or 2, the fire-resistant pipe joint structure includes an intermediate layer such as a foamed material interposed between the synthetic resin inner pipe and the inorganic condensed material outer pipe. are doing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6799079A JPS55163389A (en) | 1979-05-31 | 1979-05-31 | Fireproof tubular structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6799079A JPS55163389A (en) | 1979-05-31 | 1979-05-31 | Fireproof tubular structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55163389A JPS55163389A (en) | 1980-12-19 |
| JPS634079B2 true JPS634079B2 (en) | 1988-01-27 |
Family
ID=13360910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6799079A Granted JPS55163389A (en) | 1979-05-31 | 1979-05-31 | Fireproof tubular structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55163389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3128879A1 (en) | 2021-11-08 | 2023-05-12 | L'oreal | DIBENZYLIDENE PENTOSE DERIVATIVES, COMPOSITION COMPRISING THEM, AND THEIR USE IN COSMETICS |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0322636Y2 (en) * | 1985-06-17 | 1991-05-16 |
-
1979
- 1979-05-31 JP JP6799079A patent/JPS55163389A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3128879A1 (en) | 2021-11-08 | 2023-05-12 | L'oreal | DIBENZYLIDENE PENTOSE DERIVATIVES, COMPOSITION COMPRISING THEM, AND THEIR USE IN COSMETICS |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55163389A (en) | 1980-12-19 |
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