JP3065876B2 - Flange joint - Google Patents
Flange jointInfo
- Publication number
- JP3065876B2 JP3065876B2 JP6001372A JP137294A JP3065876B2 JP 3065876 B2 JP3065876 B2 JP 3065876B2 JP 6001372 A JP6001372 A JP 6001372A JP 137294 A JP137294 A JP 137294A JP 3065876 B2 JP3065876 B2 JP 3065876B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- flange
- drain pipe
- cylindrical
- side wall
- 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 - Fee Related
Links
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、マンホール等の側壁に
排水管を簡単かつ確実に接続できるフランジ継手に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flange joint which can easily and reliably connect a drain pipe to a side wall of a manhole or the like.
【0002】[0002]
【従来の技術】この種のフランジ継手として、例えば実
公平4ー29190号公報には、コンクリート製マンホ
ールとコンクリート製ヒューム管とのジョイント部に適
用する円筒型のジョイントゴムが提案されている。2. Description of the Related Art As a flange joint of this kind, for example, Japanese Utility Model Publication No. 4-29190 proposes a cylindrical joint rubber applied to a joint portion between a concrete manhole and a concrete fume pipe.
【0003】そして、このジョイントゴムを用いてマン
ホールとヒューム管とを接続する場合には、ジョイント
ゴムの鍔を接着剤を介してマンホールの側壁に接続し、
該ジョイントゴムの円筒部にヒューム管を嵌挿して接続
すると共に、マンホールの側壁に穿設した接続孔とヒュ
ーム管の端部外周面との間にモルタルを充填して接続し
ていた。When connecting a manhole and a fume tube using this joint rubber, a flange of the joint rubber is connected to a side wall of the manhole via an adhesive,
A fume tube is fitted and connected to the cylindrical portion of the joint rubber, and mortar is filled between the connection hole formed in the side wall of the manhole and the outer peripheral surface of the end of the fume tube for connection.
【0004】[0004]
【発明が解決しようとする課題】しかしながら、このジ
ョイントゴムを用いた配管接続の場合には、マンホール
とヒューム管とがモルタルで強固に固定されるため、配
管施工後にヒューム管に管軸方向のスラスト荷重が作用
したり、土圧・輪荷重あるいは地盤沈下等によって曲げ
モーメントが作用したとき、ヒューム管に直接作用する
荷重によって当該接続部でヒューム管が破損する危険性
があった。However, in the case of pipe connection using this joint rubber, since the manhole and the fume pipe are firmly fixed with mortar, the thrust in the pipe axial direction is attached to the fume pipe after the pipe is constructed. When a load is applied, or a bending moment is applied due to earth pressure, wheel load, ground subsidence, or the like, there is a risk that the fume pipe may be damaged at the connection portion by a load directly acting on the fume pipe.
【0005】本発明はかかる課題を解決したものであっ
て、マンホール等の側壁に排水管を簡単かつ確実に接続
できると共に、排水管に作用するスラスト荷重や曲げモ
ーメント等を吸収・緩和して排水管の破損を未然に防止
できるフランジ継手を提供するものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a drain pipe can be easily and securely connected to a side wall of a manhole or the like, and a drainage pipe which absorbs and relaxes a thrust load, a bending moment, etc. acting on the drain pipe is drained. An object of the present invention is to provide a flange joint that can prevent the breakage of a pipe.
【0006】本発明は、マンホール等の側壁に穿設した
接続孔に排水管を接続する際に使用するゴム等の弾性部
材からなるフランジ継手であって、該フランジ継手は円
筒部の一端部外周側に断面半円弧状の屈曲部を介してフ
ランジが設けらると共に、該円筒部の他端部にこれより
も小径の円筒接続部が設けられており、前記フランジの
背面は側壁に接着接合されると共に、円筒部に嵌挿され
たスリーブ短管の他端部が接続孔に挿入されて該接続孔
とスリーブ短管の他端部外周との隙間に充填された充填
材で固定され、また前記円筒接続部に挿入された排水管
の端部がスリーブ短管の内側まで挿通されると共に、円
筒接続部に外周に巻回したバンドで排水管が固定される
ことを特徴とする。The present invention is a flange joint made of an elastic member such as rubber used for connecting a drain pipe to a connection hole formed in a side wall of a manhole or the like. A flange is provided on the side through a bent portion having a semicircular cross section, and a cylindrical connecting portion having a smaller diameter is provided at the other end of the cylindrical portion, and the back surface of the flange is adhesively bonded to a side wall. While the other end of the sleeve short tube fitted in the cylindrical portion is inserted into the connection hole and fixed with a filler filled in the gap between the connection hole and the outer periphery of the other end of the sleeve short tube, Further, the end of the drain pipe inserted into the cylindrical connection part is inserted to the inside of the sleeve short pipe, and the drain pipe is fixed by a band wound around the cylindrical connection part on the outer periphery.
【0007】[0007]
【作用】上記の構成からなるので、配管施工の際に排水
管の接続角度を断面半円弧状の屈曲部で調整できる。ま
た排水管はスリーブ短管内に挿通されて管軸方向に移動
可能に支持されるので、排水管に作用するスラスト荷重
や曲げモーメント等の外力が吸収・緩和される。With the above construction, the connection angle of the drainage pipe can be adjusted by the bent portion having a semicircular cross section at the time of piping construction. Further, since the drain pipe is inserted into the sleeve short pipe and supported so as to be movable in the pipe axis direction, external forces such as a thrust load and a bending moment acting on the drain pipe are absorbed and reduced.
【0008】[0008]
【実施例】以下、本発明の実施例を図面にて詳細に説明
する。図1は本発明のフランジ継手を用いた配管の施工
状態を示す断面図であって、図中1はマンホール等の側
壁、2は塩化ビニル樹脂等の合成樹脂からなる排水管、
3はフランジ継手である。4は塩化ビニル樹脂等の合成
樹脂からなるスリーブ短管であって、該スリーブ短管4
の内径は排水管2の外径よりも若干大き目に形成されて
いる。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a sectional view showing a construction state of a pipe using a flange joint of the present invention, in which 1 is a side wall such as a manhole, 2 is a drain pipe made of a synthetic resin such as a vinyl chloride resin,
3 is a flange joint. Reference numeral 4 denotes a sleeve short tube made of a synthetic resin such as a vinyl chloride resin.
Is slightly larger than the outer diameter of the drain pipe 2.
【0009】フランジ継手3はゴムあるいは軟質プラス
チック等の弾性部材からなるものであって、スリーブ短
管4の外径とほぼ等しい内径を有する円筒部32の一端
部外周側には断面半円弧状の屈曲部34を介してフラン
ジ33が一体的に設けられている。また、フランジ33
の背面、即ちマンホール等の側壁1と接する面にはブチ
ルゴム等の接着剤35が均一に塗布されており、その表
面が図示しない離型紙で覆われている。この離型紙は1
乃至複数箇所で径方向に切断されており、必要に応じて
フランジ33の背面から簡単に引き剥がすことができる
ようになっている。The flange joint 3 is made of an elastic material such as rubber or soft plastic, and has a semicircular cross section at one end outer peripheral side of a cylindrical portion 32 having an inner diameter substantially equal to the outer diameter of the short sleeve tube 4. The flange 33 is provided integrally via the bent portion 34. Also, the flange 33
An adhesive 35 such as butyl rubber is uniformly applied to the back surface of the, that is, the surface in contact with the side wall 1 such as a manhole, and the surface thereof is covered with release paper (not shown). This release paper is 1
It is cut in the radial direction at a plurality of places, and can be easily peeled off from the back surface of the flange 33 if necessary.
【0010】また、円筒部32の他端部には排水管2の
外径とほぼ等しい内径を有する小径の円筒接続部31が
設けられている。この円筒接続部31の内周面には前記
同様にブチルゴム等の接着剤35が均一に塗布されてお
り、その表面は図示しない離型紙で覆われている。At the other end of the cylindrical portion 32, a small-diameter cylindrical connecting portion 31 having an inner diameter substantially equal to the outer diameter of the drain pipe 2 is provided. An adhesive 35 such as butyl rubber is uniformly applied to the inner peripheral surface of the cylindrical connecting portion 31 as described above, and the surface is covered with release paper (not shown).
【0011】このフランジ継手3とスリーブ短管4を用
いてマンホール等の側壁1に排水管2を接続する場合、
マンホール等の側壁1にスリーブ短管4の外径よりも若
干大きい接続孔11を穿設する。そこで、前記フランジ
継手3の円筒部32にスリーブ短管4の一端部を嵌挿す
ると共に、円筒部32の外周にバンド6を巻回して締付
け固定する。そして、スリーブ短管4の他端部をマンホ
ール等の外側から接続孔11に挿入する。When the drain pipe 2 is connected to the side wall 1 such as a manhole using the flange joint 3 and the sleeve short pipe 4,
A connection hole 11 slightly larger than the outer diameter of the short sleeve tube 4 is formed in a side wall 1 such as a manhole. Then, one end of the sleeve short pipe 4 is fitted into the cylindrical portion 32 of the flange joint 3, and the band 6 is wound around the outer periphery of the cylindrical portion 32 and fastened and fixed. Then, the other end of the sleeve short tube 4 is inserted into the connection hole 11 from outside the manhole or the like.
【0012】次に、フランジ継手3の円筒接続部31の
内周面を覆っている離型紙を引き剥がし、該円筒接続部
31及びスリーブ短管4に排水管2の端部を嵌挿すると
共に、フランジ継手3の屈曲部34で排水管2の接続角
度を調整しつつ位置決めを行なう。Next, the release paper covering the inner peripheral surface of the cylindrical connecting portion 31 of the flange joint 3 is peeled off, and the end of the drain pipe 2 is inserted into the cylindrical connecting portion 31 and the sleeve short tube 4 while being inserted. The positioning is performed while adjusting the connection angle of the drain pipe 2 at the bent portion 34 of the flange joint 3.
【0013】この様にして排水管2を仮配管した後、フ
ランジ継手3のフランジ33の背面を覆っている離型紙
を引き剥がし、フランジ33の背面をマンホール等の側
壁1に押付けて接着剤35で側壁1に接合する。また、
フランジ継手3の円筒接続部31の外周にバンド7を巻
回して締付け固定する。最後に、接続孔11とスリーブ
短管4の外周面との隙間にモルタル、ブチルゴム等の充
填材8を充填して施工作業が完了する。After the drain pipe 2 has been provisionally piped in this manner, the release paper covering the back surface of the flange 33 of the flange joint 3 is peeled off, and the back surface of the flange 33 is pressed against the side wall 1 such as a manhole so that the adhesive 35 To join the side wall 1. Also,
The band 7 is wound around the outer periphery of the cylindrical connection portion 31 of the flange joint 3 and fixed by tightening. Finally, the gap between the connection hole 11 and the outer peripheral surface of the sleeve short tube 4 is filled with the filler 8 such as mortar, butyl rubber, and the like, and the work is completed.
【0014】配管施工後、スリーブ短管4は充填材8を
介してマンホール等の側壁1に強固に固定されるが、排
水管2はスリーブ短管4内に挿通されて管軸方向に移動
可能に支持される。このため、排水管2に作用するスラ
スト荷重は、弾性部材からなるフランジ継手3の円筒部
31の伸縮によって吸収される。また、排水管2に作用
する曲げモーメント等の外力はマンホール等の側壁1よ
り外方に突出しているスリーブ短管4の弾性変形によっ
て吸収・緩和されるため、排水管2が破損することはな
い。After the pipe is installed, the sleeve short pipe 4 is firmly fixed to the side wall 1 such as a manhole via the filling material 8, but the drain pipe 2 is inserted into the sleeve short pipe 4 and is movable in the pipe axis direction. Supported by Therefore, the thrust load acting on the drain pipe 2 is absorbed by the expansion and contraction of the cylindrical portion 31 of the flange joint 3 made of an elastic member. In addition, since the external force such as a bending moment acting on the drain pipe 2 is absorbed and moderated by the elastic deformation of the sleeve short pipe 4 protruding outward from the side wall 1 such as a manhole, the drain pipe 2 is not damaged. .
【0015】[0015]
【発明の効果】以上詳述した如く、本発明のフランジ継
手は、円筒部とフランジとが断面半円弧状の屈曲部を介
して接続しているので、マンホール等の側壁に排水管を
角度調整自在に接続できると共に配管施工が極めて簡単
に行える。また、排水管の端部はスリーブ短管の内側ま
で挿通されると共に、円筒接続部の外周に巻回したバン
ドで固定されるため、配管施工後に排水管に作用するス
ラスト荷重は円筒部の伸縮によって吸収される。更に
は、排水管に作用する曲げモーメント等の外力はマンホ
ール等の側壁より突出しているスリーブ短管の弾性変形
によって吸収・緩和されるため、当該接続部での排水管
の破損が未然に防止される。As described above in detail, in the flange joint of the present invention, since the cylindrical portion and the flange are connected via the bent portion having a semicircular cross section, the angle of the drain pipe is adjusted on the side wall of the manhole or the like. It can be freely connected and piping work can be done very easily. In addition, since the end of the drain pipe is inserted to the inside of the sleeve short pipe and is fixed with a band wound around the outer circumference of the cylindrical connection part, the thrust load acting on the drain pipe after piping construction is Is absorbed by Furthermore, since the external force such as bending moment acting on the drainage pipe is absorbed and moderated by the elastic deformation of the sleeve short pipe projecting from the side wall of the manhole or the like, breakage of the drainage pipe at the connection portion is prevented. You.
【図1】図1は本発明のフランジ継手を用いた配管の施
工状態を示す断面図である。FIG. 1 is a cross-sectional view showing a construction state of a pipe using a flange joint of the present invention.
【符号の説明】 1 マンホール等の側壁 2 排水管 3 フランジ継手 4 スリーブ短管 11 接続孔 31 円筒接続部 32 円筒部 33 フランジ 34 屈曲部[Description of Signs] 1 Side wall of manhole etc. 2 Drainage pipe 3 Flange joint 4 Sleeve short pipe 11 Connection hole 31 Cylindrical connection part 32 Cylindrical part 33 Flange 34 Bent part
Claims (1)
続孔(11)に排水管(2)を接続する際に使用するゴ
ム等の弾性部材からなるフランジ継手(3)であって、
該フランジ継手(3)は円筒部(32)の一端部外周側
に断面半円弧状の屈曲部(34)を介してフランジ(3
3)が設けらると共に、該円筒部(32)の他端部にこ
れよりも小径の円筒接続部(31)が設けられており、
前記フランジ(33)の背面は側壁(1)に接着接合さ
れると共に、円筒部(32)に嵌挿されたスリーブ短管
(4)の他端部が接続孔(11)に挿入されて該接続孔
(11)とスリーブ短管(4)の他端部外周との隙間に
充填された充填材(8)で固定され、また前記円筒接続
部(31)に挿入された排水管(2)の端部がスリーブ
短管(4)の内側まで挿通されると共に、円筒接続部
(31)に外周に巻回したバンド(7)で排水管(2)
が固定されることを特徴とするフランジ継手。1. A flange joint (3) made of an elastic member such as rubber used for connecting a drain pipe (2) to a connection hole (11) formed in a side wall (1) such as a manhole.
The flange joint (3) is on the outer peripheral side of one end of the cylindrical portion (32).
To the flange (3) via a bent portion (34) having a semicircular cross section.
3) is provided, and the other end of the cylindrical portion (32) is
A cylindrical connecting portion (31) having a smaller diameter than that is provided.
The back surface of the flange (33) is adhesively bonded to the side wall (1).
Sleeve short tube inserted into the cylindrical portion (32)
The other end of (4) is inserted into the connection hole (11) and
In the gap between (11) and the outer circumference of the other end of the short sleeve tube (4)
Fixed with filled filler (8) and connected to said cylinder
The end of the drain pipe (2) inserted into the part (31) is a sleeve
It is inserted all the way to the inside of the short pipe (4) and has a cylindrical connection.
Drain pipe (2) with band (7) wrapped around (31)
Is fixed .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6001372A JP3065876B2 (en) | 1994-01-11 | 1994-01-11 | Flange joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6001372A JP3065876B2 (en) | 1994-01-11 | 1994-01-11 | Flange joint |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH07208676A JPH07208676A (en) | 1995-08-11 |
JP3065876B2 true JP3065876B2 (en) | 2000-07-17 |
Family
ID=11499672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6001372A Expired - Fee Related JP3065876B2 (en) | 1994-01-11 | 1994-01-11 | Flange joint |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3065876B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6755752B2 (en) * | 2016-08-26 | 2020-09-16 | 積水化学工業株式会社 | Tube structure |
-
1994
- 1994-01-11 JP JP6001372A patent/JP3065876B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH07208676A (en) | 1995-08-11 |
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