JPH0289892A - Pipe connecting method - Google Patents
Pipe connecting methodInfo
- Publication number
- JPH0289892A JPH0289892A JP24089988A JP24089988A JPH0289892A JP H0289892 A JPH0289892 A JP H0289892A JP 24089988 A JP24089988 A JP 24089988A JP 24089988 A JP24089988 A JP 24089988A JP H0289892 A JPH0289892 A JP H0289892A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- sleeve
- ring
- flange
- pipes
- 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
- 238000000034 method Methods 0.000 title claims description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract 4
- 238000010276 construction Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Joints With Sleeves (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、水道パイプ等のパイプの接続方法に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a method for connecting pipes such as water pipes.
（従来の技術）
従来、水道パイプの接続は、接続するパイプの端部に１
ＬｔＪシたフランジ同士をパツキンを介して突き合わせ
、ボルトにより締めつけて接続する５所謂フランジ継手
方式が一般的である。この方式の場合、接続するパイプ
の端部に互いに接続フランジを有することが必要である
。ところが、パイプは施工現場の状況に応じて必要とす
る長さが変る。そのため、一方の端部のフランジは工場
等で予め溶接しておくことができるが、他方の端部まで
予め溶接しておくと寸法の変化に対応できなくなるので
、従来パイプの一端へのフランジのｆｆ１）１は配管施
工現場で行っているのが実状である。その結果、作業が
非常に煩雑になり非能率的で作業効率が悪かった。また
、特に近時多く採用されている比較的薄肉のステンレス
パイプの場合、フランジを溶接するのが困難である上、
狭い現場では大きな溶接機を持ち込んで溶接を行うこと
ができないために溶接が不完全になり、接続部からの漏
洩が発生し易く、また耐久性にも問題があった。(Prior art) Conventionally, when connecting water pipes, one
The so-called 5-flange joint method is common, in which LtJ flanges are butted against each other via a gasket and connected by tightening with bolts. In the case of this method, it is necessary to have mutually connecting flanges at the ends of the pipes to be connected. However, the required length of the pipe changes depending on the conditions at the construction site. Therefore, the flange at one end can be welded in advance at a factory, etc., but if the other end is welded in advance, it will not be possible to accommodate changes in dimensions, so conventionally, the flange at one end of the pipe is welded. The actual situation is that ff1)1 is carried out at the piping construction site. As a result, the work became extremely complicated and inefficient. In addition, it is difficult to weld flanges, especially in the case of relatively thin-walled stainless steel pipes, which are often used these days.
Because it is not possible to carry a large welding machine to perform welding in a small worksite, the welding becomes incomplete, leakage from the joints is likely to occur, and there are also problems with durability.
（発明が解決しようとする問題点）
本発明は、上記従来のパイプ接続法の欠点を解消する為
に創案されたものであって、パイプの長さに応じて施工
現場で簡単で且つ強固にパイプを接続することができ、
しかも接続部の密封性と耐人件に優れたパイプ接続方法
を堤供することを［］的とする。(Problems to be Solved by the Invention) The present invention was devised in order to eliminate the drawbacks of the conventional pipe connection method described above, and it can be easily and firmly installed at the construction site depending on the length of the pipe. pipes can be connected,
Moreover, the objective is to provide a pipe connection method that has excellent sealing performance at the connection part and durability for personnel.
（問題点を解決するための手段）
上記問題点を解決する本発明のパイプ接続法は、接ろ２
する一方のパイプの端部に接続フランジを形成し、他方
のパイプの端部に外周面がテーパー状になっているスリ
ーブと、該スリーブのテーパー面に嵌合するテーパー状
の内周面を有する接続リングとを嵌合し、ｉ「記接続フ
ランジと前記接続リングとをボルトにより締めつけ固定
したことを特徴とする構成を有している。(Means for Solving the Problems) The pipe connection method of the present invention that solves the above problems has two
A connecting flange is formed at the end of one pipe, and the other pipe has a sleeve with a tapered outer circumferential surface and a tapered inner circumferential surface that fits into the tapered surface of the sleeve. The connecting flange and the connecting ring are fitted together, and the connecting flange and the connecting ring are tightened and fixed with bolts.
（作用）
施工現場の状況に応じて、一方のパイプを所定長さに切
断し、接続リング、スリーブを面合し、接続リングと接
続フランジの接続穴に接続ボルトを挿通して締めつける
と、スリーブの端部は接続フランジの外面に当り移動を
阻止されているので。(Function) Depending on the conditions at the construction site, one pipe is cut to a predetermined length, the connecting ring and sleeve are placed face to face, and the connecting bolt is inserted into the connecting hole of the connecting ring and connecting flange and tightened. The end of the connecting flange hits the outer surface of the connecting flange and is prevented from moving.
接続リングのテーパー状内面がスリーブのテーパー外面
に泪って移動し１次第にスリーブを締めつける６その結
果、スリーブの内周面とパイプの外周面とが圧接され、
パイプとパイプは強固に接続される。The tapered inner surface of the connecting ring moves against the tapered outer surface of the sleeve and gradually tightens the sleeve.6 As a result, the inner circumferential surface of the sleeve and the outer circumferential surface of the pipe are brought into pressure contact.
The pipes are firmly connected.
（実施例）
以下５本発明の実施例を図面に基づいて詳細に説明する
。(Example) Below, five examples of the present invention will be described in detail based on the drawings.
第１図は本発明の方法によりパイプを接続した状態の断
面図を、第２図はその分解断面図を示している９図中、
１は水道等のパイプであり、現場の状況に応じて必要長
さに切断された切断端部を有している。２は前記パイプ
１に接続する例えばエルボ−パイプ等の他方のパイプで
あり、該パイプの端部近傍の内径は接続する一方のパイ
プ１が挿入できる大きさになっており、その先端部には
接続フランジ３が溶接等で固定されている。接続フラン
ジ３には接続ボルト６を挿通するための複数個の接続穴
５が設けられている。７は０リングであり、パイプｌと
パイプとの嵌合部の密↓・１を図っている。８は内面９
が前記一方のパイプ１の外径に嵌合する内径を有し、外
面１０がテーパー状になっているスリーブである。該ス
リーブ１０は接続リングとの係合時内径が縮小してパイ
プに圧接するように、軸方向にスリットを入れておくの
が望ましい。１２は接続リングであり、内面１３が１ｊ
力記スリーブ８の外面１０と摩擦ｊ成金できるように同
テーパー角を有するテーパー面に形成され。Figure 1 is a cross-sectional view of the pipes connected by the method of the present invention, and Figure 2 is an exploded cross-sectional view of the same.
Reference numeral 1 denotes a pipe such as a water supply pipe, and has a cut end portion cut to a required length according to the situation at the site. Reference numeral 2 designates the other pipe, such as an elbow pipe, which is connected to the pipe 1, and the inner diameter near the end of the pipe is large enough to allow insertion of the connected pipe 1, and the tip thereof has a A connecting flange 3 is fixed by welding or the like. The connection flange 3 is provided with a plurality of connection holes 5 through which connection bolts 6 are inserted. 7 is an O-ring, which aims at the tightness of the fitting part between the pipe 1 and the pipe ↓.1. 8 is inside 9
is a sleeve having an inner diameter that fits the outer diameter of the one pipe 1, and an outer surface 10 of which is tapered. It is preferable that the sleeve 10 has a slit in the axial direction so that when it engages with the connecting ring, its inner diameter is reduced and the sleeve 10 comes into pressure contact with the pipe. 12 is a connecting ring, and the inner surface 13 is 1j
It is formed into a tapered surface having the same taper angle so that it can be frictionally bonded to the outer surface 10 of the mechanical sleeve 8.
その外径は前記接続フランジ３の外径と等しくなるよう
にリング状に形成され、前記フランジの接読穴５と一致
する個所に接続穴１４が形成されている。It is formed into a ring shape so that its outer diameter is equal to the outer diameter of the connecting flange 3, and a connecting hole 14 is formed at a location that coincides with the reading hole 5 of the flange.
以上のような構成要素によって、パイプ１とパイプ２と
の接続は次のようにして行われる。まず。Using the above-mentioned components, the pipe 1 and the pipe 2 are connected as follows. first.
パイプ１に接続リング１２をテーパー面が端部方向に開
放するように嵌合する。続いてスリーブ８を図示のよう
に、テーパー面が前記接続リングのテーパー面と嵌合す
るようにパイプ１に嵌合する。The connecting ring 12 is fitted onto the pipe 1 so that the tapered surface opens toward the end. Subsequently, the sleeve 8 is fitted onto the pipe 1, as shown, so that the tapered surface fits with the tapered surface of the connecting ring.
そのような状態で、パイプ１の端部をパイプ内に０リン
グ７の位置を越えて挿入し、スリーブ８の端部１１を接
続フランジ３の端部４に接触させて接続リングをスリー
ブの外周面に嵌合させろ。その状態で、接続リングと接
続フランジの接に〉１を穴に接続ボルト６を挿通して締
めつけると、スリーブの端面ば接続フランジの外面に係
合しているので、接続リングのテーパー状内面がスリー
ブのテーパー外面に沿って移動し、次第にスリーブを締
めつける。その結果、スリーブの内周面とパイプ１の外
周面とが圧接され、パイプ１とパイプ２は強固に接続さ
れる。In such a state, the end of the pipe 1 is inserted into the pipe beyond the position of the O-ring 7, and the end 11 of the sleeve 8 is brought into contact with the end 4 of the connecting flange 3, so that the connecting ring is attached to the outer circumference of the sleeve. Fit it to the surface. In this state, when the connecting bolt 6 is inserted into the hole 1 between the connecting ring and the connecting flange and tightened, the end surface of the sleeve engages the outer surface of the connecting flange, so the tapered inner surface of the connecting ring It moves along the tapered outer surface of the sleeve and gradually tightens the sleeve. As a result, the inner circumferential surface of the sleeve and the outer circumferential surface of the pipe 1 are brought into pressure contact, and the pipes 1 and 2 are firmly connected.
第３図は、本発明の他の実施例であり、本実施例では、
予め用意されている短い接続パイプ部材を介在させるこ
とにより、接続する両方のパイプともフランジを設けな
いで接続できるようになっている。図中、２０は接続パ
イプ部材であり１両端部の内径が接続するパイプ３０．
３１の外径とほぼ等しい内径を有し、両端に接続フラン
ジ２２゜２３が形成されている。なお１本実施例では、
その中央部２１の内径をほぼ接続するパイプの内径とほ
ぼ等しく形成して、接続するパイプを嵌合するときの位
置決めが容易にできるようにしであるが、接続パイプ部
材をストレートに形成して、パイプ端面同士を接触させ
るようにも育成しても良い。FIG. 3 shows another embodiment of the present invention, and in this embodiment,
By interposing a short connecting pipe member prepared in advance, both pipes to be connected can be connected without providing a flange. In the figure, 20 is a connecting pipe member, and the inner diameter of both ends of 1 is connected to the pipe 30.
It has an inner diameter approximately equal to the outer diameter of 31, and connecting flanges 22 and 23 are formed at both ends. In addition, in this example,
The inner diameter of the central portion 21 is formed to be approximately equal to the inner diameter of the connecting pipe to facilitate positioning when fitting the connecting pipe, but the connecting pipe member is formed straight, The pipes may be grown so that the end faces of the pipes are brought into contact with each other.
２５．２６は前記実施例と同様なスリーブであり、２７
．２８は接続リングである。25 and 26 are sleeves similar to those in the previous embodiment, and 27
．． 28 is a connection ring.
本実施例は１以上のように清成され、接続するパイプ３
０．３１の端部に接続リング２７．２８及びスリーブ２
５．２６をそれぞれ嵌合して、パイプ３０．３１を接続
パイプ部材２０の両端に挿入し、前記実施例と同様に接
続リング２７と接続フランジ２２とを５接続リング２８
と接続フランジ２３とを夫九夫れボルトにより締めつけ
固定することによって、テーパー作用により、両パイプ
は接続パイプ部材を介して強固に接続される。本実施例
によると、接続パイプ部材を予め部品として用意してお
けば、接続するパイプにフランジを溶接する必要が全く
ないので、より効率的にパイプの接続を行うことができ
る。なお、図示されていないが、接続パイプ部材の内周
面とそれに嵌合されたパイプ外周面に、面記実施例と同
様にＯリングを介在させるとより密封が回れる。また、
図示の実施例では接続パイプ部材は直線状になっている
が、適宜屈曲したもの等複数種類用意しておけば、便利
である。In this embodiment, the pipe 3 which is cleaned and connected as described above is
Connecting ring 27.28 and sleeve 2 at the end of 0.31
5 and 26 respectively, insert the pipes 30 and 31 into both ends of the connecting pipe member 20, and connect the connecting ring 27 and the connecting flange 22 to each other as in the previous embodiment.
By tightening and fixing the connecting flange 23 and the connecting flange 23 with the bolts, both pipes are firmly connected via the connecting pipe member due to the taper action. According to this embodiment, if the connecting pipe member is prepared as a part in advance, there is no need to weld a flange to the pipe to be connected, so that the pipes can be connected more efficiently. Although not shown, sealing can be further improved by interposing an O-ring between the inner circumferential surface of the connecting pipe member and the outer circumferential surface of the pipe fitted thereto, as in the embodiment described above. Also,
In the illustrated embodiment, the connecting pipe member is straight, but it would be convenient to prepare a plurality of types, such as those with appropriate bends.
（効果）
以上のように本発明によれば、従来のように配管現場で
フランジを溶接することがなく、シかも適宜長さに切断
したパイプを簡単に接続できるので、配管作業の効率化
を飛躍的に向上させることができる。そして、接続部は
パイプが嵌合して接続されるので、−段と密封が図られ
、しかもパツキンを介在させる必要がないので、耐久性
がある。(Effects) As described above, according to the present invention, there is no need to weld flanges at the piping site as in the past, and pipes cut to an appropriate length can be easily connected, thereby improving the efficiency of piping work. It can be improved dramatically. Since the connecting portion is connected by fitting the pipe, it is possible to achieve a tight seal, and there is no need for a gasket to be interposed, resulting in durability.
第１図は本発明の方法の実施例のパイプ接続部の正面断
面図、第２図はその分解断面図、第３図は本発明の他の
実施例のパイプ接続部の正面断面図である。
１．２．３０．３１：パイプ ３．２２．２３：接続
フランジ ５．１４：接続穴６：接続ボルト ８，
２５．２６：スリーブ１２．２７．２８：接続リング
２０：接続パイプ部材
勇
図
男
図FIG. 1 is a front sectional view of a pipe connection according to an embodiment of the method of the present invention, FIG. 2 is an exploded sectional view thereof, and FIG. 3 is a front sectional view of a pipe connection according to another embodiment of the present invention. . 1.2.30.31: Pipe 3.22.23: Connection flange 5.14: Connection hole 6: Connection bolt 8,
25.26: Sleeve 12.27.28: Connection ring
20: Connection pipe member Yuzuo diagram
Claims (1)
他方のパイプの端部に外周面がテーパー状になっている
スリーブと、該スリーブのテーパー面に嵌合するテーパ
ー状の内周面を有する接続リングとを嵌合し、前記接続
フランジと前記接続リングとをボルトにより締めつけ固
定したことを特徴とするパイプ接続方法。Form a connecting flange at the end of one of the pipes to be connected,
A sleeve having a tapered outer peripheral surface and a connecting ring having a tapered inner peripheral surface that fits into the tapered surface of the sleeve are fitted to the end of the other pipe, and the connecting flange and the connecting ring are fitted. A pipe connection method characterized by tightening and fixing a ring with a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24089988A JPH0289892A (en) | 1988-09-28 | 1988-09-28 | Pipe connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24089988A JPH0289892A (en) | 1988-09-28 | 1988-09-28 | Pipe connecting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0289892A true JPH0289892A (en) | 1990-03-29 |
Family
ID=17066338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24089988A Pending JPH0289892A (en) | 1988-09-28 | 1988-09-28 | Pipe connecting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0289892A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5210750U (en) * | 1975-07-10 | 1977-01-25 | ||
| JPS5547272A (en) * | 1978-09-27 | 1980-04-03 | Kyushu Refractories | Zircon contained refractory composition |
-
1988
- 1988-09-28 JP JP24089988A patent/JPH0289892A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5210750U (en) * | 1975-07-10 | 1977-01-25 | ||
| JPS5547272A (en) * | 1978-09-27 | 1980-04-03 | Kyushu Refractories | Zircon contained refractory composition |
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