JP2001059587A - Deformed pipe for joining cut pipes - Google Patents
Deformed pipe for joining cut pipesInfo
- Publication number
- JP2001059587A JP2001059587A JP11233319A JP23331999A JP2001059587A JP 2001059587 A JP2001059587 A JP 2001059587A JP 11233319 A JP11233319 A JP 11233319A JP 23331999 A JP23331999 A JP 23331999A JP 2001059587 A JP2001059587 A JP 2001059587A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- cut
- work
- joining
- spigot
- 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
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
- F16L21/00—Joints with sleeve or socket
-
- 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
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Joints With Sleeves (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】この発明は、ダクタイル鋳鉄
管等の金属管で曲折管路を形成する場合等に有用な切管
接合用異形管に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a deformed pipe for joining a cut pipe, which is useful for forming a bent pipe with a metal pipe such as a ductile cast iron pipe.
【0002】[0002]
【従来の技術】ダクタイル鋳鉄管などの金属管を掘削溝
に沿って敷設していく場合、要所で管路を曲折させる場
合がある。この場合、従来では図9に示すように、曲折
中心角θが90度、45度、22度1/2、11度1/
4等とされた各種異形管1を選択し、これら異形管1で
管路を曲折させて行くことが行なわれていた。2. Description of the Related Art When laying a metal pipe such as a ductile cast iron pipe along an excavation groove, the pipe may be bent at a key point. In this case, conventionally, as shown in FIG. 9, the bending center angle θ is 90 degrees, 45 degrees, 22 degrees 1/2, 11 degrees 1 /.
Various deformed pipes 1 having a grade of 4 or the like are selected, and the pipes are bent with these deformed pipes 1.
【0003】[0003]
【発明が解決しようとする課題】しかし、上記手段で曲
管路を敷設するには多くの種類の異形管を保管管理しな
ければならず、非常に面倒となる欠点があった。この発
明は、上記問題を解消し、近年多く使用されている挿口
突部を有する耐震継手の場合であっても少ない管継手の
種類で幅広く対応可能とし、施工を容易にすることを課
題としてなされたものである。However, in order to lay a curved pipe by the above-mentioned means, many types of deformed pipes must be stored and managed, and there is a drawback that it is very troublesome. An object of the present invention is to solve the above-mentioned problem, to make it possible to widely cope with a few types of pipe joints even in the case of an earthquake-resistant joint having an insertion projection used in recent years, and to facilitate construction. It was done.
【0004】[0004]
【課題を解決するための手段】上記目的を達成するため
請求項1の発明は、受口と挿口との間が、挿口用短管の
曲折接続により一体形成されていることを特徴とするも
のである。この切管接合用異形管によれば、目的の曲折
中心角に相当する短直管から先を切り落とせば、その部
分が受口に対する挿口となり直ちに接続が可能となる。According to a first aspect of the present invention, there is provided a method for manufacturing a semiconductor device, comprising the steps of: forming a connection between a receiving port and an insertion port by means of a bent connection of a short insertion port; Is what you do. According to the modified pipe for joining cut pipes, if the end is cut off from the short straight pipe corresponding to the target bending center angle, the portion becomes an insertion port for the receiving port, and connection can be made immediately.
【0005】また、各挿口に挿口凸部を設け、この挿口
突部を残して切り落として接続すれば、脱け出し防止の
管接続が可能となるのである。従って、耐震管のように
離脱防止の接続の場合では、挿口突部の形成作業が不要
となり、それに続く防蝕作業も非常に軽減化される。請
求項2の切管接合用異形管は、上記請求項1における切
管接合用異形管の挿口用短管が直線状に一体的に接続さ
れているものである。[0005] Further, if an insertion projection is provided at each insertion opening, and the insertion projection is left and cut off and connected, pipe connection for preventing escape is possible. Therefore, in the case of a connection for preventing detachment like a seismic tube, the operation of forming the insertion projection becomes unnecessary, and the subsequent anticorrosion operation is greatly reduced. According to a second aspect of the present invention, there is provided a modified tube for joining a cut tube, wherein the short pipe for insertion of the modified tube for joining a cut tube according to the first embodiment is linearly and integrally connected.
【0006】従って、この発明によれば、必要な長さに
該当する位置の挿口突部を選択し、この挿口突部から挿
口側を切り落とせば、直ちに目的に合致した長さの異形
管として利用でき管接続作業に必要な切管接合作業が非
常に軽減化される。Therefore, according to the present invention, an insertion projection at a position corresponding to a required length is selected, and the insertion side is cut off from this insertion projection, so that an irregular shape having a length suitable for the purpose can be obtained immediately. It can be used as a pipe, and the intubation joining work required for pipe connection work is greatly reduced.
【0007】[0007]
【発明の実施の形態】次に、この発明の実施の形態を説
明する。 実施の形態1 図1は、この発明の切管接合用異形管の実施の形態1を
示す側面図である。この実施の形態1の切管接合用異形
管10は、受口11の軸線11aと挿口12の軸線12
aとが交叉中心角θを有して成形された異形管10とさ
れているがこの切管接合用異形管10は、前記受口11
に受容可能な長さを有した短直管13…であって、必要
に応じ図示のように挿口12側に挿口突部14が予め一
体形成された複数の挿口用短管13…13が曲折接続さ
れ、この曲折接続により、例えば交叉中心角θが90度
から11度1/4の角度に至るまで1/2ずつ減少する
級数配列とされた角度となるよう、それぞれ一体形成さ
れている。Next, an embodiment of the present invention will be described. Embodiment 1 FIG. 1 is a side view showing Embodiment 1 of a deformed tube for joining a cut tube according to the present invention. The modified pipe 10 for joining a cut tube according to the first embodiment has an axis 11 a of the receiving port 11 and an axis 12 of the insertion port 12.
a is a modified pipe 10 formed with an intersection center angle θ.
A plurality of short pipes 13 having a length that can be accommodated therein, and a plurality of short pipes 13 for which insertion projections 14 are integrally formed in advance on the insertion port 12 side as shown in the drawing as necessary. 13 are bent and connected so as to form a series arrangement angle in which the cross center angle θ decreases by 1/2 from 90 degrees to an angle of 11 degrees 4, for example. ing.
【0008】上記切管接合用異形管10全体は、この実
施の形態の場合、鋳造により一体に成形される。次に、
この実施の形態1の使用態様を説明する。管路を曲折す
る場合、まず管路の交叉中心角θを決定する。次いで、
その交叉中心角θに応じて該当する挿口用短管13を選
択し、図2に示すように目的の挿口用短管13から先の
短管13を切り落とす。[0008] In the case of this embodiment, the whole deformed pipe 10 for joining a cut pipe is integrally formed by casting. next,
A usage mode of the first embodiment will be described. In the case of bending a pipe, the intersection center angle θ of the pipe is first determined. Then
The corresponding short tube for insertion 13 is selected according to the intersection center angle θ, and the short tube 13 is cut off from the short tube for insertion 13 as shown in FIG.
【0009】次いで、図3に示すように一方の管20の
受口21に前記切り落としによって管端に位置された挿
口用短管13を切管接合用異形管10の挿口12として
挿入し、必要な手段を講じて受口21に接続する。そし
て、切管接合用異形管10の受口11に図3に示すよう
に他方の管22を接続していく。Next, as shown in FIG. 3, the insertion short tube 13 positioned at the end of the tube by the above-mentioned cut-off is inserted into the reception opening 21 of one of the tubes 20 as the insertion opening 12 of the deformed tube 10 for joining the cut tube. Take necessary means to connect to the receiving port 21. Then, as shown in FIG. 3, the other pipe 22 is connected to the receptacle 11 of the deformed pipe 10 for joining a cut pipe.
【0010】従ってこの実施の形態1の切管接合用異形
管10によれば、切管接合を行なう場合、従来の切管端
部に挿口突部を形成するための研削や研磨作業、更には
挿口突部を取り付けるための面倒な作業が必要なく、切
断後直ちに接続作業に取りかかることができ、迅速な作
業が可能となる。なお、上記実施の形態としてθ=45
°の場合を示したが、図4(a)に示したようにθ=2
2°1/2の場合、図4(b)に示したようにθ=11
°1/4の場合もそれぞれ該当する部分の挿口用短管1
3から先を切り落として接続する。Therefore, according to the deformed pipe 10 for joining a cut tube according to the first embodiment, when the cut tube is joined, a conventional grinding and polishing operation for forming an insertion projection at the end of the cut tube, and furthermore, Does not require a cumbersome operation for attaching the insertion projection, and can start the connection operation immediately after the disconnection, thereby enabling a quick operation. In the above embodiment, θ = 45
°, but θ = 2 as shown in FIG.
In the case of 2 ° 1/2, θ = 11 as shown in FIG.
In the case of ° 1/4, the corresponding short tube for insertion 1
Cut off from 3 and connect.
【0011】上記の使用態様は耐震管に適用した場合で
あるが、通常の管継手の場合、即ち離脱防止管継手でな
い管継手の場合は、図4(c)に示すように挿口突部1
4も共に切り落とすように切断し図5に示すように通常
の受口11aに接続する。なお、図5において符号15
で示す部材はロックリング、15aはバックアップリン
グ、18はシール用ゴム輪を示す。The above-mentioned usage mode is applied to an earthquake-resistant pipe. However, in the case of a normal pipe joint, that is, in the case of a pipe joint which is not a separation prevention pipe joint, as shown in FIG. 1
4 is also cut so as to be cut off, and is connected to a normal receptacle 11a as shown in FIG. Note that in FIG.
The member indicated by is a lock ring, 15a is a backup ring, and 18 is a rubber ring for sealing.
【0012】なお、上記実施の形態1において、交叉中
心角θが90°から11°1/4までを有する場合を説
明したが、必ずしもこれに限るものでなく、複数種の角
度を有するものとすれば良く、その分接合用異形管の在
庫保管を少なくし得る。 実施の形態2 図6は、実施の形態2の側面図を示す。In the first embodiment, the case where the crossing center angle θ has a range of 90 ° to 11 ° 1/4 has been described. However, the present invention is not limited to this case. It is only necessary to reduce the inventory storage of the deformed pipe for joining. Second Embodiment FIG. 6 shows a side view of a second embodiment.
【0013】この実施の形態2では、切管接合用異形管
10の接続方向が実施の形態1のように湾曲方向でなく
直線方向とされている点が異なるだけで、他は同じであ
るため図1〜図5と同一部材に同一符号を付す事により
詳細な説明は省略する。なお、この実施の形態2におけ
る挿口用短管13の長さは、図6に示したように同一長
さとする他、図7に示すように受口11に挿入接続する
に必要な長さ以上で長短不同の長さとし、任意長さのも
のを選択可能としても良い。The second embodiment is the same as the first embodiment except that the connection direction of the deformed tube for incision joining 10 is not a curved direction but a straight direction as in the first embodiment. The detailed description will be omitted by giving the same reference numerals to the same members as those in FIGS. In addition, the length of the insertion short tube 13 in the second embodiment is the same length as shown in FIG. 6, and also the length required for inserting and connecting to the receptacle 11 as shown in FIG. As described above, the lengths may be different, and an arbitrary length may be selectable.
【0014】次に、この実施の形態2の切管接合用異形
管10の使用態様を説明する。図8に示すように、一方
の管20と他方の管22との突き合わせ間隔Pを測定
し、その間隔Pに合致する位置の挿口用短管13を選択
し、該当する挿口用短管13から先の短管13を矢印で
示すように切り落とす。次いで、一方の管20の受口2
1に、切り落としによって管端に位置された挿口突部1
4を挿入し、必要な手段を講じて受口21に挿口13を
接続する。Next, the manner of use of the modified tube 10 for joining cut tubes according to the second embodiment will be described. As shown in FIG. 8, the butting interval P between one pipe 20 and the other pipe 22 is measured, and the insertion short pipe 13 at a position corresponding to the interval P is selected. A short pipe 13 ahead of 13 is cut off as shown by an arrow. Next, the socket 2 of one tube 20
1, the insertion projection 1 positioned at the pipe end by cutting off
4 is inserted, and the insertion port 13 is connected to the reception port 21 by taking necessary measures.
【0015】その後切管接合用異形管10の受口11に
他方の管22を接続していく。なお、選択すべき挿口用
短管13は上記に限らず、管路20の突き合わせ間隔に
応じ任意のものを選択できることは言うまでもない。こ
の実施の形態2の切管接合用異形管によれば、接合すべ
き管路間の距離Pが施工場所毎に異なっていても、この
切管接合用異形管さえ用意しておけば任意の挿口用短管
13より先の不要部分を切り落とすだけで管路の接続が
可能となる。Thereafter, the other pipe 22 is connected to the receiving port 11 of the deformed pipe 10 for joining a cut pipe. It is needless to say that the insertion short tube 13 to be selected is not limited to the above, and any one can be selected according to the abutting interval of the conduit 20. According to the deformed pipe for joining a cut pipe according to the second embodiment, even if the distance P between pipe lines to be joined is different for each construction site, any pipe can be used as long as the deformed pipe for joining a cut pipe is prepared. A pipe line can be connected only by cutting off an unnecessary portion before the insertion short pipe 13.
【0016】また、上記において、切管接合用異形管1
0をそれぞれ各実施の形態1、2で示した物を単独で使
用した場合を説明したが、曲り管、直管のものを一つづ
つ、あるいは任意数のものを組み合わせて使用すること
によりS字カーブやJカーブ状など複雑な曲管路を形成
することもできる。Further, in the above description, the deformed tube 1 for joining a cut tube is used.
0 is used alone in each of the first and second embodiments. However, by using one of a curved pipe and a straight pipe, or by using an arbitrary number of them in combination, It is also possible to form a complicated curved conduit such as a U-shaped curve or a J-curve.
【0017】[0017]
【発明の効果】以上説明したように、管路に曲折部を設
ける場合、この発明の切管接合用異形管を用意し、あと
は挿口突部の位置を基準にして、そこから先を切り落と
せば直ちに離脱防止継手となって管接続が可能となり、
従来のように曲がり角に応じ各種複数の切管接合用異形
管を準備しあるいは搬送する手間が省ける。As described above, in the case where a bent portion is provided in the pipe, the deformed pipe for incision joining of the present invention is prepared, and the rest is made with reference to the position of the insertion projection. If it is cut off, it will immediately become a detachment prevention joint and pipe connection will be possible,
It is possible to save the labor of preparing or transporting a plurality of various shaped tubes for joining incisions according to the bending angle as in the conventional case.
【0018】また、直管状の切管接合用異形管の場合は
接続部の間隔に応じ任意の長さに調節でき、長さの異な
る切管接合用異形管を準備する必要が無くなる。また、
挿口を形成する場合、挿口突部も切り落としてしまえ
ば、通常構造の管継手の受口に接続する事ができる。Further, in the case of a straight tubular deformed pipe for joining a cut pipe, the length can be adjusted to an arbitrary length according to the interval between the connecting portions, so that it is not necessary to prepare a deformed pipe for joining a cut pipe having a different length. Also,
In the case of forming the insertion port, if the insertion projection is also cut off, it can be connected to the receiving port of a pipe joint having a normal structure.
【図1】この発明の実施の形態1の平面図である。FIG. 1 is a plan view of a first embodiment of the present invention.
【図2】この発明の実施の形態1の使用状態説明平面図
である。FIG. 2 is a plan view illustrating a use state of the first embodiment of the present invention.
【図3】この発明の実施の形態1の使用状態説明断面図
である。FIG. 3 is a sectional view illustrating a use state of the first embodiment of the present invention.
【図4】この発明の実施の形態1の使用態様を示す平面
図であり、(a)は交叉中心角が22°1/2の場合、
(b)は同11°1/4の場合を示す。(c)は突部が
不要な継手の場合の使用態様を示す平面図である。FIG. 4 is a plan view showing a use mode of the first embodiment of the present invention. FIG. 4 (a) shows a case where an intersection center angle is 22 ° 1/2.
(B) shows the case of 11 ° 1/4. (C) is a top view which shows the usage mode at the time of the joint which does not require a protrusion.
【図5】図4(c)に示す使用態様の接続状態を示す要
部破断平面図である。FIG. 5 is a fragmentary plan view showing a connection state of the use mode shown in FIG. 4 (c).
【図6】実施の形態2の平面図である。FIG. 6 is a plan view of the second embodiment.
【図7】実施の形態2の他の構成例を示す平面図であ
る。FIG. 7 is a plan view showing another configuration example of the second embodiment.
【図8】実施の形態2の使用態様を示す要部破断平面図
である。FIG. 8 is a fragmentary plan view showing a usage state of the second embodiment.
【図9】従来の異形管継手の断面図である。FIG. 9 is a sectional view of a conventional deformed pipe joint.
10 切管接合用異形管 11 受口 11a 受口の軸線 12 挿口 12a 挿口の軸線 13 挿口用短管 14 挿口突部 15 ロックリング 18 ゴム輪 θ 交叉中心角 DESCRIPTION OF SYMBOLS 10 Deformed tube for joining cut pipes 11 Inlet 11a Inlet axis 12 Inlet 12a Inlet axis 13 Inlet short tube 14 Inlet protrusion 15 Lock ring 18 Rubber ring θ Crossing center angle
Claims (2)
接続により一体形成されていることを特徴とする切管接
合用異形管。1. A deformed pipe for joining incised pipes, wherein a space between a receiving port and an insertion port is integrally formed by bending connection of a short pipe for insertion.
ている請求項1に記載の切管接合用異形管。2. The deformed tube for joining incisions according to claim 1, wherein the insertion short tubes are integrally connected in a straight line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11233319A JP2001059587A (en) | 1999-08-20 | 1999-08-20 | Deformed pipe for joining cut pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11233319A JP2001059587A (en) | 1999-08-20 | 1999-08-20 | Deformed pipe for joining cut pipes |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001059587A true JP2001059587A (en) | 2001-03-06 |
Family
ID=16953284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11233319A Pending JP2001059587A (en) | 1999-08-20 | 1999-08-20 | Deformed pipe for joining cut pipes |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2001059587A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015135166A (en) * | 2014-01-18 | 2015-07-27 | 未来工業株式会社 | Electric wiring and pipe material protective cover |
-
1999
- 1999-08-20 JP JP11233319A patent/JP2001059587A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015135166A (en) * | 2014-01-18 | 2015-07-27 | 未来工業株式会社 | Electric wiring and pipe material protective cover |
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Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20061121 |