JPH09203493A - Pipe joint structure - Google Patents
Pipe joint structureInfo
- Publication number
- JPH09203493A JPH09203493A JP1281696A JP1281696A JPH09203493A JP H09203493 A JPH09203493 A JP H09203493A JP 1281696 A JP1281696 A JP 1281696A JP 1281696 A JP1281696 A JP 1281696A JP H09203493 A JPH09203493 A JP H09203493A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- peripheral surface
- joint structure
- inner peripheral
- adapter
- 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.)
- Pending
Links
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
- Thermal Insulation (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、建物の給・排水管
の配管に用いられる保冷・保温等のための発泡層が外周
に設けられた合成樹脂製の管継手構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin pipe joint structure provided with a foamed layer on the outer periphery for keeping cold and keeping heat used for supplying and draining pipes of a building.
【０００２】[0002]
【従来の技術】従来、建物に配設される給・排水管の要
求品質に、保冷効果の低下、建築物が濡れて錆びる、腐
るのを防止するため、結露しない条件が上げられてい
る。この結露防止に対する対処方法としては、配管後に
グラスウール等の断熱材を配管の外周に装着して、所謂
保冷・保温工事が行われている。2. Description of the Related Art Conventionally, in order to prevent deterioration of the cold insulation effect and prevention of rust and decay of wet buildings, the requirements for quality of water supply and drainage pipes installed in buildings have been raised. As a countermeasure against this dew condensation, a so-called cold insulation / heat insulation work is performed by mounting a heat insulating material such as glass wool on the outer periphery of the pipe after the pipe.
【０００３】一方、上記のような従来の保冷・保温の方
法に代えて、先進的な方法として塩化ビニル樹脂等を用
い、発泡層が一体に形成された管や継手を使用すること
により、配管工事と同時に保冷・保温も完了されるとい
った提案も行われている。例えば、上記のような例とし
ては、特開平６−１００９７７号公報、特開平６−２３
１２３３号公報が上げられる。On the other hand, in place of the conventional cold / heat-retaining method as described above, as an advanced method, a vinyl chloride resin or the like is used, and a pipe or joint integrally formed with a foam layer is used to form a pipe. There is also a proposal that cold insulation and heat insulation will be completed at the same time as the construction. For example, as examples of the above, Japanese Patent Laid-Open Nos. 6-100977 and 6-23
No. 1233 is cited.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記説
明のような発泡層が一体に形成された管や継手を用いる
場合、管の内径と継手の内径が同一の場合はよいが、こ
の内径が異なると内周のつなぎ面に段差が生じ、給・排
水管の場合には、乱流等に起因する圧力損失が生じた
り、又、排水管等の場合には雑物が引っ掛かったりする
問題がある。However, in the case of using a pipe or joint in which the foam layer is integrally formed as described above, it is preferable that the inner diameter of the pipe and the inner diameter of the joint are the same, but the inner diameter is different. There is a problem that there is a step on the connecting surface of the inner circumference and pressure loss due to turbulent flow etc. in the case of water supply / drainage pipe, and foreign matter is caught in the case of drainage pipe etc. .
【０００５】又、アダプターの挿し口の内周面と管体の
内周面との間に段差があると、この段差部より水が浸透
し、管体の発泡層による効果である断面効果や遮音効果
が低下するといった不具合が生じる問題がある。Further, if there is a step between the inner peripheral surface of the insertion port of the adapter and the inner peripheral surface of the tube, water penetrates through this step and the cross-sectional effect, which is an effect of the foam layer of the tube, There is a problem that a problem such as a decrease in sound insulation effect occurs.
【０００６】即ち、上記特開平６−１００９７７号公報
においては、管、及び継手の内径に関しては考慮されて
いないし、又、特開平６−２３１２３３号公報にのいて
は、内面コア部では内径が小さくなることにより圧力損
失が発生するといった問題がある。That is, in the above-mentioned JP-A-6-100977, no consideration is given to the inner diameters of the pipe and the joint, and in JP-A-6-231233, the inner core portion has a small inner diameter. Therefore, there is a problem that pressure loss occurs.
【０００７】又、これらの先行技術では、保冷・保温の
ための発泡塩化ビニル樹脂層を有しているが、この成形
加工に当たっては、射出成形機や射出成形金型といった
大掛かりな設備を要するといった問題がある。Further, although these prior arts have a foamed vinyl chloride resin layer for keeping cold and warm, this molding requires large-scale equipment such as an injection molding machine and an injection molding die. There's a problem.
【０００８】本発明は、上記のこのような問題点に着眼
してなされたものであり、その目的とするところは、こ
れらの問題点を解消し、配管工事と同時に保温、又は保
冷の工事が可能で、更に、断面効果や遮音効果が低下す
ることがなく、配管内部の圧力損失が少なく、排水管の
場合には、雑物等が引っ掛からず、又、簡単な成形型を
用いるだけで多くの費用をかけずに実現可能な管継手構
造を提供するものである。The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to solve these problems and to perform heat insulation or cold insulation work simultaneously with piping work. In addition, the cross-section effect and sound insulation effect do not decrease, there is little pressure loss inside the pipe, and in the case of a drainage pipe, foreign matters are not caught, and it is possible to use a simple molding die for many The present invention provides a pipe joint structure that can be realized without cost.
【０００９】[0009]
【課題を解決するための手段】請求項１記載の本発明の
管継手構造においては、一端側の挿し口を継手の受け口
に接続され、段部を介して設けられた他端側の受け口に
管体が接続されるアダプターが付設された管継手構造で
あって、上記アダプターの挿し口側の内周面が管体の内
周面と段差がなく、面一に形成されていることを特徴と
する。According to the pipe joint structure of the present invention as set forth in claim 1, the insertion port on one end side is connected to the receiving port of the joint, and the receiving port on the other end side is provided through the step portion. A pipe joint structure provided with an adapter to which a pipe is connected, characterized in that the inner peripheral surface of the insertion side of the adapter is flush with the inner peripheral surface of the pipe. And
【００１０】又、請求項２記載の本発明の管継手構造に
おいては、請求項１記載の管体の外層が発泡層であるこ
とを特徴とする。Further, in the pipe joint structure of the present invention according to claim 2, the outer layer of the pipe body according to claim 1 is a foam layer.
【００１１】上記アダプターとは、継手と管との間に介
在させて用いるものであり、種々の形状が可能であり、
その材質は金属よりも熱伝導度が小さい合成樹脂製が好
ましく、又、その成形性より量産に適する。The above-mentioned adapter is used by interposing between the joint and the pipe, and various shapes are possible,
The material is preferably made of synthetic resin, which has a lower thermal conductivity than metal, and is suitable for mass production because of its moldability.
【００１２】用いられる継手の種類は、ＤＶ継手、ＴＳ
継手、融着継手等の既存の継手が入手し易く好ましい
が、内径が同等のであってもよい。又、内面コアタイプ
の継手も使用可能である。継手の形状は、ソケット、チ
ーズ、エルボ、レジューサー、バルブソケット、バルブ
付タイプ（径違いであってもよい）等制約を受けずに用
いることができる。The types of joints used are DV joints and TS joints.
Existing joints such as joints and fusion splices are preferred because they are easily available, but they may have the same inner diameter. An inner core type joint can also be used. The shape of the joint can be used without restriction such as socket, cheese, elbow, reducer, valve socket, and valve type (may have a different diameter).
【００１３】継手に設けられる保冷、保温のための発泡
層としては、ウレタン樹脂、ポリエチレン樹脂、塩化ビ
ニル樹脂等の発泡体が好ましいが、特にウレタン樹脂が
常温で発泡が可能で、成形性に富んでいるのでより好ま
しい。As a foam layer for keeping cold and heat provided in the joint, a foamed material such as urethane resin, polyethylene resin, vinyl chloride resin is preferable, but especially urethane resin is capable of foaming at room temperature and has excellent moldability. Therefore, it is more preferable.
【００１４】[0014]
【作用】請求項１記載の本発明の管継手構造において
は、一端側の挿し口を継手の受け口に接続され、段部を
介して設けられた他端側の受け口に管体が接続されるア
ダプターが付設された管継手構造であって、上記アダプ
ターの挿し口側の内周面が管体の内周面と段差がなく、
面一に形成されているので、配管工事と同時に保温、又
は保冷のための発泡層の工事が可能で、配管内部の圧力
損失が少なく、排水管の場合には、雑物等が引っ掛から
ず、又、簡単な成形型を用いるだけで多くの費用をかけ
ずに配管ができる。In the pipe joint structure of the present invention as defined in claim 1, the insertion port on one end side is connected to the receiving port of the joint, and the pipe body is connected to the receiving port on the other end provided via the step portion. A pipe joint structure with an adapter attached, wherein the inner peripheral surface on the insertion opening side of the adapter has no step with the inner peripheral surface of the pipe body,
Since it is formed in the same plane, it is possible to construct a foam layer for heat insulation or cold insulation at the same time as piping work, there is little pressure loss inside the pipe, and in the case of a drainage pipe, foreign matters are not caught, In addition, piping can be done without much expense by using a simple mold.
【００１５】又、請求項２記載の本発明の管継手構造に
おいては、管体の外層が発泡層となっているので、断面
効果や遮音効果が低下することがない。Further, in the pipe joint structure of the present invention as set forth in claim 2, since the outer layer of the pipe body is a foamed layer, the cross-sectional effect and the sound insulation effect are not deteriorated.
【００１６】[0016]
【発明の実施の形態】以下に本発明の実施の形態を図面
を参照して説明する。図１は、本発明の管継手構造の一
例を示す半部断面図である。本発明の管継手構造は、基
本的には図１に示すように、管１の接続部の管端１１
と、角部の継手２の受け口２１との間に、接続用のアダ
プター３を介在させて構成されている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a half sectional view showing an example of the pipe joint structure of the present invention. The pipe joint structure of the present invention basically has a pipe end 11 of a connecting portion of a pipe 1 as shown in FIG.
And a receiving port 21 of the joint 2 at the corner, an adapter 3 for connection is interposed.
【００１７】更に詳しくは、管１の内周面１ａと継手２
の内周面２ａとを段差がなく滑らかに結ぶ内周面３ａが
形成され、且つ、継手２の受け口２１の端面２ｂと管１
の端面とが対向して当接、或いは隣接する段部３１が設
けられたアダプター３が、継手２の受け口２１の内周面
２１ａより上記段部３１を介して管１の管端１１の外周
の発泡ウレタン樹脂製の発泡層４の外周面にかけて装着
された構造となっている。More specifically, the inner peripheral surface 1a of the pipe 1 and the joint 2
An inner peripheral surface 3a is formed that smoothly connects the inner peripheral surface 2a of the pipe 2 without any steps, and the end surface 2b of the receiving port 21 of the joint 2 and the pipe 1
The adapter 3 provided with the step portion 31 facing or abutting the end surface of the pipe 2 is provided from the inner peripheral surface 21a of the receiving port 21 of the joint 2 through the step portion 31 to the outer periphery of the pipe end 11 of the pipe 1. It has a structure in which it is attached to the outer peripheral surface of the foam layer 4 made of urethane foam resin.
【００１８】且つ、継手２の外周に設けられた発泡層５
の受け口２１側の端面５ａと、この受け口２１側の端面
５ａと当接する上記アダプター３の段部３１の端面３ｂ
との間に段差がなくほぼ面一の構造となっている。A foam layer 5 provided on the outer periphery of the joint 2
End face 5a of the adapter 21 and the end face 3b of the step portion 31 of the adapter 3 that abuts the end face 5a of the receiver 21 side.
There is no step between and and the structure is almost flush.
【００１９】上記管１の管端１１とアダプター３の段部
３１との間に形成された隙間には充填材６が充填されて
いる。A filler 6 is filled in the gap formed between the tube end 11 of the tube 1 and the step 31 of the adapter 3.
【００２０】以上説明したように、本発明の管継手構造
においては、図１に示すように、管１の内周面１ａと継
手２の内周面２ａとの間に内径の相違がない場合が理想
的な接続となる。一方、仮に管１の内周面１ａと継手２
の内周面２ａとの間に口径の相違による段差が発生する
ような場合、例えば、図２に示すように、継手２の内周
面２ａと管１の管端１１の内周面１ａとの間に、口径の
相違による段差が生じるような場合であっても、アダプ
ター３の内周面３ａに直線状の勾配を設けることによ
り、段差がなく滑らかにつなぐことができる。As described above, in the pipe joint structure of the present invention, as shown in FIG. 1, when there is no difference in inner diameter between the inner peripheral surface 1a of the pipe 1 and the inner peripheral surface 2a of the joint 2. Is an ideal connection. On the other hand, temporarily, the inner peripheral surface 1a of the pipe 1 and the joint 2
In the case where a step is generated between the inner peripheral surface 2a of the pipe 2 and the inner peripheral surface 2a of the pipe 1, for example, as shown in FIG. Even if there is a step due to the difference in the aperture between the two, it is possible to connect smoothly without any step by providing a linear gradient on the inner peripheral surface 3a of the adapter 3.
【００２１】又、同様に、図３に示すように、管１の内
周面１ａと継手２の内周面２ａとの間に内径の相違によ
る段差が発生するような場合、即ち、継手２の内周面２
ａと管１の管端１１の内周面１ａとの間に、口径の相違
による段差が生じるような場合であっても、アダプター
３の内周面３ａに曲線状の勾配を設けることにより、段
差がなく滑らかにつなぐことができる。Similarly, as shown in FIG. 3, when a step due to the difference in inner diameter occurs between the inner peripheral surface 1a of the pipe 1 and the inner peripheral surface 2a of the joint 2, that is, the joint 2 Inner surface 2
By providing a curved gradient on the inner peripheral surface 3a of the adapter 3, even if a step is generated between the a and the inner peripheral surface 1a of the tube end 11 of the tube 1 due to the difference in diameter, There is no step and you can connect smoothly.
【００２２】又、アダプター３の形状は、継手の種類
や、接合が融着や、ＴＳ方式によって形状を種々変更す
ることが可能であり、本発明の範囲を逸脱しない範囲に
おいて任意に設計できるものである。Further, the shape of the adapter 3 can be variously changed depending on the type of joint, the fusion of the joint, and the TS method, and can be arbitrarily designed without departing from the scope of the present invention. Is.
【００２３】[0023]
【発明の効果】請求項１記載の本発明の管継手構造にお
いては、一端側の挿し口を継手の受け口に接続され、段
部を介して設けられた他端側の受け口に管体が接続され
るアダプターが付設された管継手構造であって、上記ア
ダプターの挿し口側の内周面が管体の内周面と段差がな
く、面一に形成されているので、配管工事と同時に保
温、又は保冷のための発泡層の工事が可能で、配管内部
の圧力損失が少なく、排水管の場合には、雑物等が引っ
掛からず、又、簡単な成形型を用いるだけで多くの費用
をかけずに配管ができる。In the pipe joint structure of the present invention as set forth in claim 1, the insertion port on one end side is connected to the receiving port of the joint, and the pipe body is connected to the receiving port on the other end provided through the step portion. It is a pipe joint structure with an attached adapter, and the inner peripheral surface on the insertion side of the adapter is flush with the inner peripheral surface of the pipe body, so it is warm at the same time as the piping work. Or, it is possible to construct a foam layer for keeping cold, there is little pressure loss inside the pipe, and in the case of a drainage pipe, foreign matters do not get caught, and it costs a lot of money just by using a simple mold. Plumbing is possible without hanging.
【００２４】又、請求項２記載の本発明の管継手構造に
おいては、管体の外層が発泡層となっているので、断面
効果や遮音効果が低下することがない。Further, in the pipe joint structure of the present invention as defined in claim 2, since the outer layer of the pipe body is a foam layer, the cross-sectional effect and the sound insulation effect are not deteriorated.
【００２５】更に具体的には、給水、給湯配管において
用いられる場合には、圧力低下が少なくなり、同一内径
の管で長い距離を配管可能であり、或いは、同一距離で
あっても圧力が低いポンプで給送することができる。
又、排水管において適用する場合には、接続部に段差が
ないので雑物等の引っ掛かりがなく円滑な排水が行え
る。More specifically, when used in water supply and hot water supply pipes, the pressure drop is small, and it is possible to pipe a long distance with a pipe having the same inner diameter, or the pressure is low even at the same distance. Can be pumped.
Further, when applied to a drainage pipe, since there is no step at the connecting portion, foreign matters are not caught and smooth drainage can be performed.
【００２６】本発明のようにアダプターを用いた管継手
構造とすることにより、使用可能な継手の種類が増大
し、且つ、口径が異なる継手と管との接続が可能となっ
た。By adopting a pipe joint structure using an adapter as in the present invention, the types of usable joints are increased, and it becomes possible to connect joints with different diameters to pipes.
【００２７】又、従来技術における保冷・保温層を有す
る管継手構造では、継手用の射出成形金型が、各品種毎
に１〜２個必要であったが、既存の継手とアダプターを
用いた本発明の管継手構造とすることにより、各呼び径
受け口にたいして１個だけのアダプリーで対応すること
ができ、管理が容易となり、又、射出成形加工における
型の取り替え回数が少なくなり、生産性を向上させるこ
とが可能となった。従って、管継手構造として好適に用
いられる。Further, in the pipe joint structure having the cold insulation / heat insulation layer in the prior art, one or two injection molding dies for each joint were required for each kind, but the existing joint and adapter were used. By adopting the pipe joint structure of the present invention, it is possible to cope with each nominal diameter receiving port with only one adaptor, management becomes easy, and the number of times of mold replacement in the injection molding process is reduced, thereby improving productivity. It has become possible to improve. Therefore, it is preferably used as a pipe joint structure.
【図１】本発明の管継手構造の一例を示す半部断面図。FIG. 1 is a half sectional view showing an example of a pipe joint structure of the present invention.
【図２】本発明の管継手構造の要部を示す断面図。FIG. 2 is a sectional view showing a main part of the pipe joint structure of the present invention.
【図３】本発明の管継手構造の要部を示す断面図。FIG. 3 is a sectional view showing a main part of the pipe joint structure of the present invention.
１ 管 １ａ、２ａ、３ａ、２１ａ 内周面 １１ 管端 ２ 継手 ２１ 受け口 ３ アダプター ３１ 段部 ２ｂ、３ｂ、５ａ 端面 ４、５ 発泡層 ６ 充填材 DESCRIPTION OF SYMBOLS 1 Pipe 1a, 2a, 3a, 21a Inner peripheral surface 11 Pipe end 2 Joint 21 Receptacle 3 Adapter 31 Step part 2b, 3b, 5a End surface 4, 5 Foam layer 6 Filler
Claims (2)
れ、段部を介して設けられた他端側の受け口に管体が接
続されるアダプターが付設された管継手構造であって、
上記アダプターの挿し口側の内周面が管体の内周面と段
差がなく、面一に形成されていることを特徴とする管継
手構造。1. A pipe joint structure in which an insertion port on one end side is connected to a receiving port of a joint, and an adapter for connecting a pipe body to a receiving port on the other end provided through a step portion is attached.
A pipe joint structure, wherein the inner peripheral surface of the adapter on the insertion side is flush with the inner peripheral surface of the tubular body.
ることを特徴とする管継手構造。2. A pipe joint structure, wherein the outer layer of the pipe body according to claim 1 is a foam layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1281696A JPH09203493A (en) | 1996-01-29 | 1996-01-29 | Pipe joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1281696A JPH09203493A (en) | 1996-01-29 | 1996-01-29 | Pipe joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09203493A true JPH09203493A (en) | 1997-08-05 |
Family
ID=11815920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1281696A Pending JPH09203493A (en) | 1996-01-29 | 1996-01-29 | Pipe joint structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09203493A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5156968A (en) * | 1988-06-24 | 1992-10-20 | Genentech, Inc. | Purified yeast ubiquitin hydrolase |
| US5262322A (en) * | 1988-06-24 | 1993-11-16 | Genentech, Inc. | Host transformed with yeast gene and ubiquitin/polypeptide fusions |
| JP2005098400A (en) * | 2003-09-25 | 2005-04-14 | Daikin Ind Ltd | Joint |
| JP2010156361A (en) * | 2008-12-26 | 2010-07-15 | Nix Inc | Resin pipe and connecting structure of resin pipe to joint |
-
1996
- 1996-01-29 JP JP1281696A patent/JPH09203493A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5156968A (en) * | 1988-06-24 | 1992-10-20 | Genentech, Inc. | Purified yeast ubiquitin hydrolase |
| US5262322A (en) * | 1988-06-24 | 1993-11-16 | Genentech, Inc. | Host transformed with yeast gene and ubiquitin/polypeptide fusions |
| JP2005098400A (en) * | 2003-09-25 | 2005-04-14 | Daikin Ind Ltd | Joint |
| JP2010156361A (en) * | 2008-12-26 | 2010-07-15 | Nix Inc | Resin pipe and connecting structure of resin pipe to joint |
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