JPH1172180A - Inflow pipe connecting method of vertical pipe - Google Patents
Inflow pipe connecting method of vertical pipeInfo
- Publication number
- JPH1172180A JPH1172180A JP9278860A JP27886097A JPH1172180A JP H1172180 A JPH1172180 A JP H1172180A JP 9278860 A JP9278860 A JP 9278860A JP 27886097 A JP27886097 A JP 27886097A JP H1172180 A JPH1172180 A JP H1172180A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- inflow
- vertical pipe
- inflow pipe
- vertical
- 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
- Sewage (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Pipe Accessories (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、自然流下式の垂直
下水道管路に使用して好適な縦管の流入管接続方法に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of connecting a vertical pipe to an inflow pipe suitable for use in a vertical sewer pipe of a natural flow type.
【0002】[0002]
【従来の技術】従来、例えば、実開平4─53842号
公報に記載されているように、マンホールの側壁からマ
ンホール内に突出された流入管の一端に曲り管を介して
縦管の上端を接続し、縦管の下端をマンホール内の底部
に設置して流入管によりマンホール内に流入された下水
を縦管によりマンホール内の底部に導入することが知ら
れている。2. Description of the Related Art Conventionally, as described in, for example, Japanese Utility Model Laid-Open Publication No. 4-53842, the upper end of a vertical pipe is connected to one end of an inflow pipe protruding into a manhole from a side wall of the manhole via a bent pipe. It is known that the lower end of the vertical pipe is installed at the bottom in the manhole, and the sewage flowing into the manhole by the inflow pipe is introduced into the bottom of the manhole by the vertical pipe.
【0003】しかしながら、このようにマンホール内に
設けられる縦管が長い場合には、縦管下端から流出され
る下水の落下衝撃が大きいためにマンホールの底部を損
傷するおそれがある。However, when the vertical pipe provided in the manhole is long as described above, the bottom of the manhole may be damaged due to a large impact of sewage flowing out from the lower end of the vertical pipe.
【0004】そこで、例えば、特開平8─41915号
公報に記載され、図9に示すように、縦管本体a内面に
沿って上端から下端まで螺旋状に形成された屈曲流下路
が設けられた下水道用縦管が提案されている。この下水
道用縦管の上端に十字型継手bが接続され、その十字型
継手bを介してマンホールc内に導入された流入管dの
一端が接続されて、流入管d内の下水は十字型継手bを
経由して下水道用縦管内に導入されるようになってい
る。Accordingly, for example, as shown in FIG. 9 of JP-A-8-41915, as shown in FIG. 9, a bent downflow path spirally formed from the upper end to the lower end along the inner surface of the vertical pipe main body a is provided. Vertical pipes for sewage have been proposed. A cruciform joint b is connected to the upper end of the vertical pipe for sewerage, and one end of an inflow pipe d introduced into the manhole c is connected via the cruciform joint b. It is designed to be introduced into the vertical pipe for sewerage via the joint b.
【0005】しかしながら、下水用道縦管には、複数の
流入管が高低差を有するように導入される場合が多く、
又、施工現場毎に流入管の導入方向や高低差が異なるた
めに、上記の従来の下水用縦管では、複数の流入管を本
来接続すべき位置に、正確に方向を定め、又、段差を生
じないようにうまく接続することができないという問題
点がある。[0005] However, in many cases, a plurality of inflow pipes are introduced into the vertical sewage pipe so as to have a height difference.
In addition, since the introduction direction and the height difference of the inflow pipe are different for each construction site, in the above-mentioned conventional vertical pipe for sewage, a plurality of inflow pipes should be accurately positioned at the position where they should be connected, and However, there is a problem that connection cannot be made well so as not to cause a problem.
【0006】[0006]
【発明が解決しようとする課題】本発明は、このような
従来の問題点を解決することを目的としてなされたもの
であって、縦管に流入管を本来接続すべき位置に正確に
接続することができる、縦管の流入管接続方法を提供す
ることを目的としてなされたものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and is intended to accurately connect an inflow pipe to a vertical pipe at a position where it should be originally connected. It is an object of the present invention to provide a method for connecting a vertical pipe to an inflow pipe.
【0007】[0007]
【課題を解決するための手段】本願の請求項1に係る発
明(本発明1)は、直管状の縦管本体部内に螺旋案内路
が設けられた縦管に、流入管を接続する縦管の流入管接
続方法であって、施工現場にて、縦管の上部に流入管の
接続すべき孔位置に合わせてその外周面に罫描線を描
き、罫描線に沿って接続用孔をあけ、接続用孔に流入管
を接続する工程を有する縦管の流入管接続方法である。The invention according to claim 1 of the present application (the present invention 1) provides a vertical pipe in which an inflow pipe is connected to a vertical pipe provided with a spiral guide path in a straight vertical pipe main body. In the connection method of the inflow pipe, at the construction site, draw a ruled line on the outer peripheral surface in accordance with the position of the hole to be connected to the inflow pipe at the top of the vertical pipe, and drill a connection hole along the ruled line, A method for connecting a vertical pipe to an inflow pipe, the method comprising connecting an inflow pipe to a connection hole.
【0008】本願の請求項2に係る発明(本発明2)
は、直管状の縦管本体部内に螺旋案内路が設けられた縦
管に、流入管を接続する縦管の流入管接続方法であっ
て、施工現場にて、縦管の上部に流入管の接続すべき孔
位置に合わせて接続用孔をあけ、接続用孔に鞍部と接続
管部とからなる継手を介して流入管を接続する工程を有
する縦管の流入管接続方法である。The invention according to claim 2 of the present application (Invention 2)
Is a vertical pipe inflow pipe connection method of connecting an inflow pipe to a vertical pipe provided with a spiral guideway in a straight pipe vertical pipe main body, and at a construction site, an inflow pipe is provided at an upper part of the vertical pipe. A method for connecting a vertical pipe to an inflow pipe, comprising the steps of drilling a connection hole in accordance with the position of the hole to be connected, and connecting the inflow pipe to the connection hole via a joint consisting of a saddle section and a connection pipe section.
【0009】本発明において、最上位の流入管の管底と
最下位の流入管の管底との高低差は、7m以内が好まし
い。本発明において、縦管本体部の材質としては、強度
や剛性等の点からは、強化プラスチックモルタル(以
下、FRPMという)等が好ましい。又、空気芯筒や螺
旋案内路の材質としては、強度や加工性等の面からは、
強化プラスチック(FRP)等が好ましい。流入管や流
出管の材質としては、強度や加工性等の面からはFRP
が好ましいが、汎用のプラスチックであってもよい。In the present invention, the height difference between the bottom of the uppermost inflow pipe and the bottom of the lowermost inflow pipe is preferably within 7 m. In the present invention, as the material of the vertical pipe main body, reinforced plastic mortar (hereinafter referred to as FRPM) or the like is preferable in terms of strength, rigidity, and the like. In addition, as the material of the air core tube and the spiral guide path, from the viewpoint of strength and workability,
Reinforced plastic (FRP) or the like is preferred. The material of the inflow pipe and outflow pipe is FRP from the viewpoint of strength and workability.
However, general-purpose plastics may be used.
【0010】[0010]
【作用】本発明1の縦管の流入管接続方法は、施工現場
にて、縦管の上部に流入管の接続すべき孔位置に合わせ
てその外周面に罫描線を描き、罫描線に沿って接続用孔
をあけ、接続用孔に流入管を接続する工程を有すること
により、縦管に流入管を接続する際に、施工現場にて流
入管の導入方向や高低差を調整しながら接続できるの
で、流入管を本来接続すべき位置に正確に且つ施工性よ
く接続することができる。According to the method for connecting a vertical pipe to an inflow pipe according to the first aspect of the present invention, a ruled line is drawn on an outer peripheral surface of a vertical pipe at a construction site in accordance with a position of a hole to be connected to the inflow pipe, and is drawn along the ruled line. By connecting the inflow pipe to the connection hole by connecting the inflow pipe to the vertical pipe, the connection is made while adjusting the inflow pipe introduction direction and height difference at the construction site Therefore, the inflow pipe can be accurately connected to the position to which the inflow pipe should be connected with good workability.
【0011】本発明2の縦管の流入管接続方法は、施工
現場にて、縦管の上部に流入管の接続すべき孔位置に合
わせて接続用孔をあけ、接続用孔に鞍部と接続管部とか
らなる継手を介して流入管を接続する工程を有すること
により、縦管に流入管を接続する際に、施工現場にて流
入管の導入方向や高低差を調整しながら接続できるの
で、流入管を本来接続すべき位置に正確に且つ施工性よ
く接続することができ、継手の鞍部と縦管の接続用孔の
周囲壁との間の接着面積が大きいため、水密性を確保す
ることができる。According to a second aspect of the present invention, there is provided a method of connecting a vertical pipe to an inflow pipe at a construction site, wherein a connection hole is formed in an upper portion of the vertical pipe in accordance with a hole to be connected to the inflow pipe, and the connection hole is connected to a saddle portion. By having the step of connecting the inflow pipe via the joint consisting of the pipe section, when connecting the inflow pipe to the vertical pipe, it is possible to connect while adjusting the introduction direction and height difference of the inflow pipe at the construction site The inflow pipe can be connected to the position where it should be connected accurately and with good workability, and since the bonding area between the saddle portion of the joint and the peripheral wall of the connection hole of the vertical pipe is large, watertightness is ensured. be able to.
【0012】[0012]
【発明の実施の形態】以下、本発明の実施の形態を、図
面を参照して説明する。本発明の縦管の流入管接続方法
の一例を図1〜図5を参照して説明する。図1におい
て、10は縦管であって、縦管本体部11と、空気芯筒
13と、螺旋案内路12,12′とからなる。Embodiments of the present invention will be described below with reference to the drawings. An example of a method for connecting a vertical pipe to an inflow pipe according to the present invention will be described with reference to FIGS. In FIG. 1, reference numeral 10 denotes a vertical pipe, which comprises a vertical pipe main body 11, an air core tube 13, and spiral guide paths 12, 12 '.
【0013】縦管本体部11の上端には、接続用管接続
用の受口111が設けられている。縦管本体部11内の
上部には、略中心部に、内部が中空とされたFRP製の
空気芯筒13が立設されている。縦管本体部11の内周
面と、空気芯筒13の外周面との間(図中L1 区間)
に、FRP製の第1の螺旋案内路12が配設されてい
る。螺旋案内路12の内周面は、空気芯筒13の外周面
に一体的に取り付けられている。At the upper end of the vertical pipe main body 11, a receiving port 111 for connection pipe connection is provided. An air core cylinder 13 made of FRP and having a hollow inside is provided upright at an upper portion in the vertical pipe main body 11 at a substantially central portion. Between the inner peripheral surface of the vertical pipe main body 11, and the outer peripheral surface of the air core tube 13 (figure L 1 section)
In addition, a first spiral guide path 12 made of FRP is provided. The inner peripheral surface of the spiral guide path 12 is integrally attached to the outer peripheral surface of the air core tube 13.
【0014】螺旋案内路12の外周縁には、図2に示す
ように、その全長にわたって、例えば、ゴム製の帯状の
弾性体14が接着剤により一体的に接着されている。こ
の弾性体14は縦管本体部11の内周面に圧接されるこ
とによって、螺旋案内路12を縦管本体部11内に支持
している。As shown in FIG. 2, a belt-like elastic body 14 made of rubber, for example, is integrally bonded to the outer peripheral edge of the spiral guide path 12 over its entire length by an adhesive. The elastic body 14 supports the spiral guide path 12 in the vertical pipe main body 11 by being pressed against the inner peripheral surface of the vertical pipe main body 11.
【0015】縦管本体部11の下端には、流出管15が
接続されており、流出管15の管頂のやや上方の縦管本
体部11の内部(図中LT3 区間)には、FRP製の第
2の螺旋案内路12′が配設されている。第2の螺旋案
内路12′の外周縁には、上記と同様の弾性体が接着剤
により一体的に接着されている。第2の螺旋案内路1
2′は、空気芯筒13には取り付けられていない。縦管
本体部11の内部の第1の螺旋案内路12と第2の螺旋
案内路12′間(図中L2 区間)には、螺旋案内路は配
設されていない。An outflow pipe 15 is connected to the lower end of the vertical pipe main body 11. An FRP is provided inside the vertical pipe main body 11 slightly above the top of the outflow pipe 15 (section LT 3 in the figure). A second spiral guideway 12 'is provided. An elastic body similar to the above is integrally bonded to the outer peripheral edge of the second spiral guide path 12 'with an adhesive. Second spiral guideway 1
2 'is not attached to the air core tube 13. No spiral guide path is provided between the first spiral guide path 12 and the second spiral guide path 12 ′ (section L 2 in the figure) inside the vertical pipe main body 11.
【0016】このように、第1の螺旋案内路12と第2
の螺旋案内路12′を適宜間隔をおいて設けるようにす
ると、第1の螺旋案内路12と第2の螺旋案内路12′
の螺旋のピッチを適宜選択することにより、縦管本体部
11の長さや複数の流入管の高低差に応じて、縦管本体
部11内を螺旋状に流下させる下水の速度を適宜調節す
ることができるので好ましいが、第1の螺旋案内路12
が縦管本体部11の下端まで配設されていても何ら構わ
ない。As described above, the first spiral guide path 12 and the second spiral guide path 12
The first spiral guide path 12 and the second spiral guide path 12 'are provided at appropriate intervals.
By appropriately selecting the pitch of the spiral, the speed of the sewage flowing down the inside of the vertical pipe main body 11 in a spiral manner is appropriately adjusted according to the length of the vertical pipe main body 11 and the height difference of the plurality of inflow pipes. However, the first spiral guideway 12
May be disposed up to the lower end of the vertical pipe main body 11.
【0017】図5に示すように、縦管10は、下水道用
の縦管として、マンホール70内に垂直に配設される。
マンホール70には、上部に上位流入口71と下位流入
口72設けられ、下部に流出口73が設けられている。As shown in FIG. 5, the vertical pipe 10 is vertically disposed in a manhole 70 as a vertical pipe for sewage.
The manhole 70 is provided with an upper inlet 71 and a lower inlet 72 at an upper part, and an outlet 73 at a lower part.
【0018】40は、縦管本体部11の上端の受口11
1に略直立するように接続される接続用管である。図3
に示すように、接続用管40の下端の外周面にはゴムリ
ング45が装着されている。まず、第1の工程として、
図4(a)に示すように、縦管本体部11の上端の受口
111に接続用管40を仮着し、下位流入管30及び上
位流入管20を接続すべき位置に罫描線42,41を描
く。接続用管40を取り外して、ダイヤモンドカッター
等のより罫描線42,41に沿って切り抜いて、下位流
入管用接続用孔44と上位流入管用接続口43を開口す
る。Reference numeral 40 denotes a receiving port 11 at the upper end of the vertical pipe main body 11.
1 is a connecting pipe that is connected to stand substantially upright. FIG.
As shown in (1), a rubber ring 45 is attached to the outer peripheral surface of the lower end of the connection pipe 40. First, as the first step,
As shown in FIG. 4A, a connecting pipe 40 is temporarily attached to a receiving port 111 at an upper end of the vertical pipe main body 11, and a ruled line 42 is provided at a position where the lower inflow pipe 30 and the upper inflow pipe 20 are to be connected. Draw 41. The connection pipe 40 is removed and cut out along a scribe line 42, 41 using a diamond cutter or the like to open a lower inflow pipe connection hole 44 and an upper inflow pipe connection port 43.
【0019】次に、第2の工程として、図4(b)に示
すように、この接続用管40を縦管本体部11の上端の
受口111に略直立するように接続する。更に、第3の
工程及び最終工程として、図4(c)及び図5に示すよ
うに、接続用管40の下位流入管用接続用孔44に、マ
ンホール70の下位流入口72を通して導入された下位
流入管30を継手60を介して接続する。次いで、接続
用管40の上位流入管用接続用孔43に、マンホール7
0の上位流入口71を通して導入された上位流入管20
を継手50を介して接続する。Next, as a second step, as shown in FIG. 4B, the connecting pipe 40 is connected to the receiving port 111 at the upper end of the vertical pipe main body 11 so as to be substantially upright. Further, as a third step and a final step, as shown in FIGS. 4C and 5, the lower part introduced through the lower inlet 72 of the manhole 70 into the lower inlet pipe connection hole 44 of the connection pipe 40. The inflow pipe 30 is connected via a joint 60. Next, the manhole 7 is inserted into the connection hole 43 for the upper inflow pipe of the connection pipe 40.
Upper inlet pipe 20 introduced through the upper inlet 71
Are connected via a joint 50.
【0020】マンホール70内に進入する下水は、上位
流入管20と下位流入管30より縦管本体部11内に流
入し、L1 区間内を第1の螺旋案内路12に沿って螺旋
状に流下した後、L2 区間内を慣性力により螺旋状を維
持流下し、再びL3 区間を第2の螺旋案内路12′に沿
って螺旋状に流下する。下水は螺旋状に流下する間に減
衰された状態となり、従って、流下する下水によってマ
ンホール70の底部に強い衝撃が加わるおそれがなく、
流出管15からマンホール70の流出口73を経て暗渠
配管に排出される。The sewage entering the manhole 70 flows into the vertical pipe main body 11 from the upper inflow pipe 20 and the lower inflow pipe 30, and spirals in the L 1 section along the first spiral guide path 12. after flowing down the inside L 2 segment helical maintaining flow down by the inertia force, it flows down spirally along again L three sections second spiral guideways 12 '. The sewage is in a state of being attenuated while flowing down spirally, and therefore, there is no possibility that a strong impact is applied to the bottom of the manhole 70 by the sewage flowing down,
The water is discharged from the outflow pipe 15 to the culvert pipe via the outflow port 73 of the manhole 70.
【0021】図6は、本発明の縦管の流入管接続方法の
別の例の説明図である。この例においては、接続用管8
0として、下位流入管30の接続位置に分岐部81を有
するものを用いる。FIG. 6 is an explanatory view of another example of a method for connecting a vertical pipe to an inflow pipe according to the present invention. In this example, the connecting pipe 8
As 0, one having a branch portion 81 at the connection position of the lower inflow pipe 30 is used.
【0022】まず、第1工程として、図6(a)に示す
ように、縦管本体部11の上端の受口111に接続用管
80を分岐部81を下位流入管30に合致するように仮
着し、上位流入管20を接続すべき位置に罫描線82を
描く。接続用管80を取り外して、ダイヤモンドカッタ
ー等のより罫描線82に沿って切り抜いて、上位流入管
用接続口83を開口する。First, as a first step, as shown in FIG. 6A, a connecting pipe 80 is connected to a receiving port 111 at an upper end of a vertical pipe main body 11 so that a branch portion 81 matches a lower inflow pipe 30. A temporary attachment is made, and a ruled line 82 is drawn at a position where the upper inflow pipe 20 is to be connected. The connection pipe 80 is removed, cut out along a scribe line 82 using a diamond cutter or the like, and a connection port 83 for the upper inflow pipe is opened.
【0023】次に、第2の工程として、図6(b)に示
すように、この接続用管80を縦管本体部11の上端の
受口111に略直立するように接続する。更に、第3の
工程として、図6(c)に示すように、接続用管80の
分岐部81に、マンホールの下位流入口を通して導入さ
れた下位流入管30を接続する。次いで、接続用管80
の上位流入管用接続用孔83に、マンホールの上位流入
口を通して導入された上位流入管20を継手90を介し
て接続する。Next, as a second step, as shown in FIG. 6B, the connecting pipe 80 is connected to the receiving port 111 at the upper end of the vertical pipe main body 11 so as to be substantially upright. Further, as a third step, as shown in FIG. 6C, the lower inflow pipe 30 introduced through the lower inflow port of the manhole is connected to the branch portion 81 of the connection pipe 80. Next, the connection pipe 80
The upper inflow pipe 20 introduced through the upper inflow port of the manhole is connected to the upper inflow pipe connection hole 83 via the joint 90.
【0024】図8は、本発明の縦管の流入管接続方法の
更に別の例の説明図である。この例においては、図7に
示す継手100を用いる。継手100は、流入管に接続
される接続管部101と、接続管部101の中空部に連
通する開口部を有する鞍部102からなる。FIG. 8 is an explanatory view of still another example of the method of connecting a vertical pipe to an inflow pipe according to the present invention. In this example, the joint 100 shown in FIG. 7 is used. The joint 100 includes a connection pipe 101 connected to the inflow pipe, and a saddle 102 having an opening communicating with a hollow portion of the connection pipe 101.
【0025】まず、第1工程として、図8(a)に示す
ように、縦管本体部11の上端の受口111に、上位流
入管用接続孔43と下位流入管用接続孔44を開口した
接続用管40を略直立するように接続する。First, as a first step, as shown in FIG. 8A, a connection in which a connection hole 43 for the upper inflow pipe and a connection hole 44 for the lower inflow pipe are opened in the receiving port 111 at the upper end of the vertical pipe main body 11. The connection pipe 40 is connected so as to be substantially upright.
【0026】次に、第2の工程として、図8(b)に示
すように、接続用管40の上位流入管用接続孔43の周
囲壁の外周面に継手100をその鞍部102の内周面を
当接するようにして接着面積が大きい状態にて水密に接
続し、又、接続用管40の下位流入管用接続孔44の周
囲壁の外周面に継手100′をその鞍部102′の内周
面を当接するようにして接着面積が大きい状態にて水密
に接続する。Next, as a second step, as shown in FIG. 8 (b), a joint 100 is provided on the outer peripheral surface of the peripheral wall of the connection hole 43 for the upper inflow pipe of the connecting pipe 40, and the inner peripheral surface of the saddle portion 102 thereof. And a watertight connection in a state where the bonding area is large, and a joint 100 ′ is provided on the outer peripheral surface of the peripheral wall of the connecting hole 44 for the lower inflow pipe of the connecting pipe 40 with the inner peripheral surface of the saddle portion 102 ′. And water-tightly connected in a state where the bonding area is large.
【0027】更に、第3工程として、図8(c)に示す
ように、マンホールの上位流入口を通して導入された上
位流入管20を継手100の接続管部101に接続し、
マンホールの下位流入口を通して導入された下位流入管
30を継手100′の接続管部101′に接続する。Further, as a third step, as shown in FIG. 8C, the upper inlet pipe 20 introduced through the upper inlet of the manhole is connected to the connecting pipe part 101 of the joint 100,
The lower inlet pipe 30 introduced through the lower inlet of the manhole is connected to the connecting pipe part 101 'of the joint 100'.
【0028】[0028]
【発明の効果】本発明1の縦管の流入管接続方法は、上
記のとおりにされているので、縦管に流入管を接続する
際に、流入管を本来接続すべき位置に正確に且つ施工性
よく接続することができる。As described above, the method for connecting an inflow pipe to a vertical pipe according to the first aspect of the present invention is described in detail. Therefore, when connecting an inflow pipe to a vertical pipe, the inflow pipe must be accurately and precisely positioned where it should be connected. Connection can be made with good workability.
【0029】本発明2の縦管の流入管接続方法は、上記
のとおりにされているので、縦管に流入管を接続する際
に、流入管を本来接続すべき位置に正確に且つ施工性よ
く接続することができ、且つ、水密性を確保することが
できる。[0029] The method for connecting the inflow pipe of the vertical pipe according to the second aspect of the present invention is as described above. Therefore, when connecting the inflow pipe to the vertical pipe, the inflow pipe is accurately and precisely placed at the position where the inflow pipe should be connected. Connection can be made well, and watertightness can be ensured.
【図1】本発明に使用される縦管の一例を説明する一部
断面図である。FIG. 1 is a partial cross-sectional view illustrating an example of a vertical pipe used in the present invention.
【図2】図1の示す縦管に使用される螺旋案内路に全長
にわたって弾性体が取り付けられている状態を示す正面
図である。FIG. 2 is a front view showing a state where an elastic body is attached to the entire length of a spiral guide path used for the vertical pipe shown in FIG. 1;
【図3】図1に使用される接続用管の一例を説明する断
面図である。FIG. 3 is a cross-sectional view illustrating an example of a connection pipe used in FIG.
【図4】本発明の縦管の流入管接続方法の一例の工程の
説明図であり、(a)は第1の工程を説明する一部断面
図、(b)は第2の工程を説明する一部断面図、(c)
は第3の工程を説明する一部断面図である。4A and 4B are explanatory views of steps of an example of a method for connecting a vertical pipe to an inflow pipe according to the present invention, wherein FIG. 4A is a partial cross-sectional view illustrating a first step, and FIG. (C)
FIG. 9 is a partial cross-sectional view illustrating a third step.
【図5】本発明の縦管の流入管接続方法の一例の最終工
程を説明する一部断面図である。FIG. 5 is a partial cross-sectional view illustrating a final step of an example of the method for connecting an inflow pipe of a vertical pipe according to the present invention.
【図6】本発明の縦管の流入管接続方法の別の例の工程
の説明図であり、(a)は第1の工程を説明する一部断
面図、(b)は第2の工程を説明する一部断面図、
(c)は第3の工程を説明する一部断面図である。FIGS. 6A and 6B are explanatory views of steps of another example of the vertical pipe inflow pipe connection method of the present invention, wherein FIG. 6A is a partial cross-sectional view illustrating a first step, and FIG. A partial cross-sectional view explaining the
(C) is a partial cross-sectional view for explaining the third step.
【図7】本発明に使用される継手の一例を説明する断面
図である。FIG. 7 is a sectional view illustrating an example of a joint used in the present invention.
【図8】本発明の縦管の流入管接続方法の別の例の工程
の説明図であり、(a)は第1の工程を説明する一部断
面図、(b)は第2の工程を説明する一部断面図、
(c)は第3の工程を説明する一部断面図である。FIGS. 8A and 8B are explanatory views of steps of another example of the method for connecting the inlet pipe of the vertical pipe according to the present invention, wherein FIG. 8A is a partial cross-sectional view illustrating the first step, and FIG. A partial cross-sectional view explaining the
(C) is a partial cross-sectional view for explaining the third step.
【図9】従来の縦管の一例を示す断面図である。FIG. 9 is a sectional view showing an example of a conventional vertical pipe.
10 縦管 11 縦管本体部 12,12′ 螺旋案内路 13 空気芯筒 14 弾性体 15 流出管 20 上位流入管 30 下位流入管 40,80, 接続用管 50,60,90 継手 41,42,82 罫描線 43,44,83 接続用孔 100,100′ 継手 101,101′ 接続管部 102,102′ 鞍部 DESCRIPTION OF SYMBOLS 10 Vertical pipe 11 Vertical pipe main body 12, 12 'Spiral guideway 13 Air core tube 14 Elastic body 15 Outflow pipe 20 Upper inflow pipe 30 Lower inflow pipe 40, 80, Connection pipe 50, 60, 90 Joint 41, 42, 82 Ruled lines 43, 44, 83 Connection holes 100, 100 'Joints 101, 101' Connection pipes 102, 102 'Saddle
フロントページの続き (51)Int.Cl.6 識別記号 FI F16L 55/00 F16L 55/00 G Continued on the front page (51) Int.Cl. 6 Identification code FI F16L 55/00 F16L 55/00 G
Claims (2)
けられた縦管に、流入管を接続する縦管の流入管接続方
法であって、施工現場にて、縦管の上部に流入管の接続
すべき孔位置に合わせてその外周面に罫描線を描き、罫
描線に沿って接続用孔をあけ、接続用孔に流入管を接続
する工程を有することを特徴とする縦管の流入管接続方
法。1. A method for connecting an inflow pipe to a vertical pipe provided with a spiral guide path in a straight pipe vertical pipe main body, the method comprising the steps of: A vertical pipe having a step of drawing a ruled line on an outer peripheral surface thereof in accordance with a position of a hole to be connected to the inflow pipe, making a connection hole along the ruled line, and connecting the inflow pipe to the connection hole. Inflow pipe connection method.
けられた縦管に、流入管を接続する縦管の流入管接続方
法であって、施工現場にて、縦管の上部に流入管の接続
すべき孔位置に合わせて接続用孔をあけ、接続用孔に鞍
部と接続管部とからなる継手を介して流入管を接続する
工程を有することを特徴とする縦管の流入管接続方法。2. A method for connecting an inflow pipe to a vertical pipe provided with a spiral guide path in a straight pipe main body, the method comprising the steps of: A step of forming a connection hole in accordance with a position of a hole to be connected to the inflow pipe, and connecting the inflow pipe to the connection hole via a joint consisting of a saddle part and a connection pipe part. Pipe connection method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9278860A JPH1172180A (en) | 1997-06-24 | 1997-10-13 | Inflow pipe connecting method of vertical pipe |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9-167112 | 1997-06-24 | ||
JP16711297 | 1997-06-24 | ||
JP9278860A JPH1172180A (en) | 1997-06-24 | 1997-10-13 | Inflow pipe connecting method of vertical pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH1172180A true JPH1172180A (en) | 1999-03-16 |
Family
ID=26491252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9278860A Pending JPH1172180A (en) | 1997-06-24 | 1997-10-13 | Inflow pipe connecting method of vertical pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH1172180A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002146894A (en) * | 2000-11-09 | 2002-05-22 | Sekisui Chem Co Ltd | Built-up manhole with sink |
JP2003105786A (en) * | 2001-09-27 | 2003-04-09 | Sekisui Chem Co Ltd | Inflow pipe connecting structure to vertical pipe |
JP2007231507A (en) * | 2006-02-27 | 2007-09-13 | Japan Institute Of Wastewater Engineering Technology | Drop shaft structure |
JP2008190250A (en) * | 2007-02-06 | 2008-08-21 | Sekisui Chem Co Ltd | Inflow part structure of longitudinal pipe with spiral guide passage |
CN115432175A (en) * | 2022-11-08 | 2022-12-06 | 中国空气动力研究与发展中心低速空气动力研究所 | Jet flow rectification structure, jet flow control valve, jet flow control system and flight equipment |
-
1997
- 1997-10-13 JP JP9278860A patent/JPH1172180A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002146894A (en) * | 2000-11-09 | 2002-05-22 | Sekisui Chem Co Ltd | Built-up manhole with sink |
JP4498588B2 (en) * | 2000-11-09 | 2010-07-07 | 積水化学工業株式会社 | Assembly method of assembly manhole with reservoir |
JP2003105786A (en) * | 2001-09-27 | 2003-04-09 | Sekisui Chem Co Ltd | Inflow pipe connecting structure to vertical pipe |
JP4598332B2 (en) * | 2001-09-27 | 2010-12-15 | 積水化学工業株式会社 | How to connect the inflow pipe to the vertical pipe |
JP2007231507A (en) * | 2006-02-27 | 2007-09-13 | Japan Institute Of Wastewater Engineering Technology | Drop shaft structure |
JP2008190250A (en) * | 2007-02-06 | 2008-08-21 | Sekisui Chem Co Ltd | Inflow part structure of longitudinal pipe with spiral guide passage |
CN115432175A (en) * | 2022-11-08 | 2022-12-06 | 中国空气动力研究与发展中心低速空气动力研究所 | Jet flow rectification structure, jet flow control valve, jet flow control system and flight equipment |
CN115432175B (en) * | 2022-11-08 | 2023-03-28 | 中国空气动力研究与发展中心低速空气动力研究所 | Jet flow rectification structure, jet flow control valve, jet flow control system and flight equipment |
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