JP2652336B2 - Water leakage repair telescopic flexible joint for pipeline - Google Patents

Water leakage repair telescopic flexible joint for pipeline

Info

Publication number
JP2652336B2
JP2652336B2 JP5291357A JP29135793A JP2652336B2 JP 2652336 B2 JP2652336 B2 JP 2652336B2 JP 5291357 A JP5291357 A JP 5291357A JP 29135793 A JP29135793 A JP 29135793A JP 2652336 B2 JP2652336 B2 JP 2652336B2
Authority
JP
Japan
Prior art keywords
joint
annular
water leakage
pipes
pipe
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
Application number
JP5291357A
Other languages
Japanese (ja)
Other versions
JPH07139684A (en
Inventor
航士郎 中野
孝正 真坂
良久 市原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEIBU HORIMA KASEI KK
TOKYOTO
Original Assignee
SEIBU HORIMA KASEI KK
TOKYOTO
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SEIBU HORIMA KASEI KK, TOKYOTO filed Critical SEIBU HORIMA KASEI KK
Priority to JP5291357A priority Critical patent/JP2652336B2/en
Publication of JPH07139684A publication Critical patent/JPH07139684A/en
Application granted granted Critical
Publication of JP2652336B2 publication Critical patent/JP2652336B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は水道橋上等に配置される
水道管等の端部どうしを接続する公知のジョイントを覆
うようにして配置され、このジョイントからの漏水を補
修する管路用漏水補修伸縮可撓継手に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water leakage for a pipeline which is disposed so as to cover a known joint for connecting ends of water pipes or the like disposed on a water bridge or the like, and repairs water leakage from the joint. The present invention relates to a repairable expansion joint.

【0002】[0002]

【従来の技術】河川等を越えて大口径の管を敷設するた
めに専用に設けられた水道橋等においては、図4に示す
ように、隣り合う水道管等の管a、a′の端部どうしを
接続するために、これら水道管等の管端部の外側に嵌合
するジョイントbが水道橋等の各橋桁上に設置されてい
る。このジョイントbは、その内側で各管a、a′が摺
動しうるように構成されており、季節による温度変化及
び圧力変動等により各管a、a′はジョイントb内にお
いて伸縮摺動することができる。
2. Description of the Related Art In aqueducts or the like provided exclusively for laying large-diameter pipes over rivers and the like, as shown in FIG. In order to connect the water pipes, a joint b fitted to the outside of the end of the water pipe or the like is installed on each bridge girder such as a water bridge. The joint b is configured such that the pipes a and a 'can slide inside thereof, and the pipes a and a' expand and contract within the joint b due to seasonal temperature changes and pressure fluctuations. be able to.

【0003】しかるに、ジョイントbにより接続される
各管a、a′がジョイントb内において均一に伸縮して
いる限りは特に問題は生じないが、なんらかの原因によ
り一方の管(たとえばa)のみが偏って大きな伸縮運動
を起すと、この管の端部がジョイントbから脱出し、こ
のために漏水が生じるおそれがある。そこで、このよう
な管aのジョイントbからの脱管による漏水の対策とし
て、ジョイントbの外側に配置された鋼製の外筒cと管
a、a′に嵌合する押えリングdを備える漏水補修伸縮
可撓継手eが使用されている。この漏水補修伸縮可撓継
手eの外筒cの両端に設けられたフランジfと押えリン
グdに設けられたフランジgに形成された複数のボルト
穴に貫通されたボルトhによって外筒cと押えdとが相
互に固定されており、また外筒cと管a、a′との間に
はシールリングiが設けられている。
[0003] However, as long as the pipes a and a 'connected by the joint b are uniformly expanded and contracted in the joint b, no particular problem occurs. However, only one pipe (for example, a) is biased for some reason. If a large telescopic movement is caused, the end of the tube escapes from the joint b, which may cause water leakage. Therefore, as a countermeasure against water leakage due to the removal of the pipe a from the joint b, a steel outer cylinder c disposed outside the joint b and a holding ring d fitted to the pipes a and a 'are provided. A repairable expansion joint e is used. The outer cylinder c and the retainer are held together by bolts h penetrating through a plurality of bolt holes formed in the flange f provided at both ends of the outer cylinder c of the water leakage repairable flexible joint e and the flange g provided in the retainer ring d. d are fixed to each other, and a seal ring i is provided between the outer cylinder c and the pipes a and a '.

【0004】[0004]

【発明が解決しようとする課題】この漏水補修伸縮可撓
継手eを設けることにより、ジョイントbから管aまた
はa′が脱管しても外部への漏水は一応防止することが
できる。しかしこの継手eにしても、管a、a′がその
内側を伸縮摺動する構造となっているため、管の一方が
大幅に伸縮移動する場合はこの管の端部がジョイントb
のみならず漏水補修伸縮可撓継手eからも脱出するおそ
れがあり、完全な漏水防止を期待できない。また漏水補
修伸縮可撓継手eは管a、a′の軸方向の伸縮摺動は許
容するが、管を支える橋桁の沈下等の理由により管a、
a′が傾いた場合にはこれに追随することができず、こ
の場合は継手の破壊と漏水を生じるおそれがある。
By providing the water leakage repairable flexible joint e, even if the pipe a or a 'is removed from the joint b, water leakage to the outside can be prevented for the time being. However, even with this joint e, the pipes a and a 'have a structure in which the pipes a and a' extend and contract inside and out.
In addition, there is a risk of escape from the water leakage repair expansion / contraction flexible joint e, and complete prevention of water leakage cannot be expected. In addition, the expansion / contraction flexible joint e for water leakage repair allows the pipes a and a 'to expand and contract in the axial direction, but the pipes a and a'
If a 'is tilted, it cannot follow this, and in this case, there is a risk of breakage of the joint and leakage of water.

【0005】本発明は、上記従来の管路用の漏水補修伸
縮可撓継手の問題点にかんがみなされたものであって、
管の一方が大幅に伸縮移動した場合でも脱管による漏水
のおそれがなく、また管が傾いた場合にもこれに追随し
て変形が可能で、破壊と漏水を生じるおそれがない新規
な管路用漏水補修伸縮可撓継手を提供しようとするもの
である。
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the conventional water leakage repair expansion / contraction flexible joint for pipelines,
There is no risk of water leakage due to de-piping even when one of the pipes moves significantly, and a new pipe line that can be deformed following the tilting of the pipe, and does not cause breakage and water leakage The present invention aims to provide a water leakage repair expansion / contraction flexible joint.

【0006】[0006]

【課題を解決するための手段】上記目的を達成する本発
明の管路用漏水補修伸縮可撓継手は、隣り合う管の端部
どうしを接続するジョイントに隣接する各管の部分に嵌
合する環状端部と該環状端部から該ジョイント上方に延
長する環状拡径部とを備える1対の外管部材と、該1対
の外管部材の環状拡径部の間に伸縮可能に跨設されたゴ
ム・合成樹脂等からなる可撓部材と、該外管部材の各環
状端部を各管に固定する固定手段と、該外管部材の各環
状端部と各管表面の間に配設されたシール部材とを有す
ることを特徴とするものである。
SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a water leakage repairing telescopic flexible joint which is fitted to a portion of each pipe adjacent to a joint connecting end portions of adjacent pipes. A pair of outer tube members each having an annular end portion and an annular enlarged portion extending from the annular end portion to above the joint, and extendable and contractible between the annular enlarged portions of the pair of outer tube members. A flexible member made of rubber, synthetic resin, or the like, fixing means for fixing each annular end of the outer tube member to each tube, and a space between each annular end of the outer tube member and each tube surface. And a provided sealing member.

【0007】[0007]

【作用】1対の外管部材の環状端部は固定手段により各
管に固定されており、かつ外管部材の環状拡径部の間に
可撓部材が伸縮可能に跨設されているので、管の伸縮摺
動に追随して継手も伸縮することができ管が大幅に移動
しても管が継手から脱出することがない。また管が傾斜
した場合にも継手はこれに追随して変形することができ
るので継手が破壊するおそれがない。
The annular end portions of the pair of outer tube members are fixed to the respective tubes by fixing means, and the flexible member is stretchably stretched between the annular enlarged portions of the outer tube members. The joint can also expand and contract following the expansion and contraction of the pipe, so that the pipe does not escape from the joint even if the pipe moves significantly. Further, even when the pipe is inclined, the joint can be deformed following the inclination, so that the joint is not likely to be broken.

【0008】[0008]

【実施例】以下添付図面を参照して本発明の実施例につ
いて説明する。図1〜図3は本発明の管路用漏水補修伸
縮可撓継手の1実施例を示すもので、図1は上半部を断
面で示し、下半部を外観で示す正面図、図2はその側面
の半分を示す側面図、図3は図2のA−A矢視図であ
る。
Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 3 show one embodiment of a water leakage repairing expansion / contraction flexible joint for a pipeline according to the present invention. FIG. 1 is a front view showing an upper half section in cross section and a lower half section showing appearance. 2 is a side view showing a half of the side surface, and FIG. 3 is a view taken along the line AA in FIG.

【0009】伸縮可撓継手1は、水道橋上等に敷設され
る管2、2′の端部どうしを接続する公知のジョイント
3に隣接する管の部分2a、2a′に嵌合する環状端部
4、4′と、これら環状端部4、4′から立上ってジョ
イント3と間隔をおいてその上方の中央附近まで延長す
る環状拡径部5、5′とからなる1対の外管部材6、
6′を備えている。これら1対の外管部材6、6′の環
状拡径部5、5′の間には補強コード入りゴム製の環状
可撓部材7がその中央部が上方に膨出するような形状で
跨設され、その両端部は断面L字状の環状押え板8、
8′を介して環状拡径部5、5′のフランジ5a、5
a′にボルト止めされている。図1および図2から明ら
かなように、拡径部5、5′の端部に沿って等間隔に複
数の起立板9、9′が設けられており、対応する起立板
9、9′のボルト挿入孔には可撓部材7の伸びを所定の
値に制限するためのストッパーボルト10が挿入されて
いる。
The flexible joint 1 has an annular end fitted to a portion 2a, 2a 'of a pipe adjacent to a known joint 3 for connecting the ends of pipes 2, 2' laid on an aqueduct or the like. A pair of outer tubes each comprising an outer tube 4, 4 'and an annular enlarged portion 5, 5' which rises from these annular ends 4, 4 'and extends at a distance from the joint 3 and extends near the center thereof. Member 6,
6 '. A rubber-made annular flexible member 7 containing a reinforcing cord is straddled between the annular enlarged-diameter portions 5 and 5 'of the pair of outer tube members 6 and 6' such that the central portion thereof bulges upward. And both ends thereof are annular holding plates 8 having an L-shaped cross section.
8 ', flanges 5a, 5'
It is bolted to a '. As is clear from FIGS. 1 and 2, a plurality of upright plates 9, 9 ′ are provided at equal intervals along the ends of the enlarged diameter portions 5, 5 ′, and the corresponding upright plates 9, 9 ′ are provided. A stopper bolt 10 for limiting the extension of the flexible member 7 to a predetermined value is inserted into the bolt insertion hole.

【0010】本実施例においては、外管部材6、6′の
環状端部4、4′は、それぞれ、拡径部5、5′に連続
する環状部11、11′と、これとは別体の押えリング
12、12′とで構成されている。これら環状部11、
11′と押えリング12、12′とはそれぞれフランジ
11a、11a′、12a、12a′を備えており、各
フランジにはボルト挿通孔が穿孔されている。各フラン
ジ11aと12a、および11a′と12a′のボルト
挿通孔にはボルト13、14が挿通されており、フラン
ジ11a、12aおよび11a′、12a′を介して環
状部11と押えリング12、環状部11′と押えリング
12′が相互に固定さている。
In this embodiment, the annular ends 4, 4 'of the outer tube members 6, 6' are respectively provided with annular portions 11, 11 'which are continuous with the enlarged diameter portions 5, 5'. And body holding rings 12, 12 '. These annular parts 11,
11 'and the holding rings 12, 12' are provided with flanges 11a, 11a ', 12a, 12a', respectively, and each flange is provided with a bolt insertion hole. Bolts 13 and 14 are inserted through bolt insertion holes of the flanges 11a and 12a and 11a 'and 12a', and the annular portion 11 and the holding ring 12 are formed through the flanges 11a, 12a and 11a 'and 12a'. The part 11 'and the holding ring 12' are fixed to each other.

【0011】押えリング12、12′には円周方向に等
間隔に穿孔されたボルト孔にそれぞれ固定ボルト15、
16が挿通されている。これらの固定ボルト15、16
は外管部材6、6′の環状端部4、4′を管2、2′に
固定する固定手段を構成している。
The holding rings 12, 12 'are respectively provided with fixing bolts 15, 15 in bolt holes drilled at equal intervals in the circumferential direction.
16 is inserted. These fixing bolts 15, 16
Constitutes fixing means for fixing the annular ends 4, 4 'of the outer tube members 6, 6' to the tubes 2, 2 '.

【0012】環状部11、11′の端部にはテーパーが
形成されており、その下面と管2、2′の表面との間に
は環状のシールゴム17、18が配設されている。
The ends of the annular portions 11 and 11 'are tapered, and annular seal rubbers 17 and 18 are provided between the lower surface and the surfaces of the tubes 2 and 2'.

【0013】この実施例においては、水道橋上等での組
立て作業を容易にするため、外管部材6、6′は4分割
構成とされている。外管部材6、6′の各構成部分の円
周方向端部には各構成部分を接合するためのボルト挿通
孔を有する接合用フランジ19、19′が設けられてお
りこれらのフランジ19、19′のボルト挿通孔にボル
ト20を挿通し、隣接するフランジどうしを固定するこ
とにより継手1を組立てることができる。なお、図1に
おいて21はエア抜き孔、22は水抜き孔を示す。
In this embodiment, the outer pipe members 6, 6 'are divided into four parts in order to facilitate the assembling work on a water bridge or the like. At the circumferential ends of the components of the outer tube members 6, 6 ', joining flanges 19, 19' having bolt insertion holes for joining the components are provided. The joint 1 can be assembled by inserting the bolt 20 through the bolt insertion hole of '′ and fixing the adjacent flanges. In FIG. 1, reference numeral 21 denotes an air vent hole, and reference numeral 22 denotes a water vent hole.

【0014】次にこの伸縮可撓継手1の動作について説
明する。図1の状態において、温度変化等により管2、
2′が伸縮すると、継手1は、その押えリング12、1
2′が固定ボルト15、16にfり管2、2′に固定さ
れているので、管2、2′の伸縮に追随して伸縮する。
Next, the operation of the flexible joint 1 will be described. In the state of FIG. 1, the pipe 2,
When the 2 ′ expands and contracts, the joint 1 moves its holding ring 12, 1
Since 2 'is fixed to the fixing tubes 15, 2 by the fixing bolts 15, 16, it expands and contracts following the expansion and contraction of the tubes 2, 2'.

【0015】なんらかの原因により一方の管(たとえば
2)が偏って大きな伸縮運動を起し、このため管2の端
部がジョイント3から脱出した場合は拡径部5、5′と
管との間の空間に漏水が生じるが、継手1はこの場合で
も管2に追随して変位するので、水が継手1の外部に漏
出することはない。
For some reason, one of the tubes (for example, 2) is biased to cause a large expansion and contraction movement. In this case, water leaks in the space, but the joint 1 is displaced following the pipe 2 even in this case, so that water does not leak out of the joint 1.

【0016】また橋桁の沈下等により管2、2′の端部
がともに沈下しこのため管2、2′が傾斜した場合で
も、継手1の可撓部材7がこの傾斜に追随して変形する
ことにより継手の破壊および漏水を防止することができ
る。
Further, even when the ends of the pipes 2 and 2 'sink down due to the sinking of the bridge girder and the like and the pipes 2 and 2' are inclined, the flexible member 7 of the joint 1 is deformed following this inclination. This can prevent the joint from breaking and leaking water.

【0017】なお、継手1の固定手段は固定ボルト1
5、16に限らず、種々の固定手段を使用することがで
きる。また可撓部材は補強コード入りゴムに限らず、種
々のゴム・合成樹脂の中から充分な可撓性と強度を有す
るものを選ぶことができる。可撓部材の形状も上記実施
例のものに限らず、継手1の伸縮を許容するものであれ
ば他の形状でもよい。
The fixing means of the joint 1 is a fixing bolt 1
Various fixing means can be used without being limited to 5 and 16. Further, the flexible member is not limited to the rubber containing the reinforcing cord, and a member having sufficient flexibility and strength can be selected from various rubbers and synthetic resins. The shape of the flexible member is not limited to that of the above-described embodiment, and any other shape may be used as long as it allows the joint 1 to expand and contract.

【0018】[0018]

【発明の効果】以上述べたように、本発明によれば、1
対の外管部材の環状端部は固定手段により各管に固定さ
れており、かつ外管部材の環状拡径部の間に可撓部材が
伸縮可能に跨設されているので、管の伸縮摺動に追随し
て継手も伸縮することができ管が大幅に移動しても管が
継手から脱出することがない。また管が傾斜した場合に
も継手はこれに追随して傾斜することができるので継手
が破壊するおそれがない。したがっていかなる状況下に
おいても継手からの漏水の懸念のない安全な継手を提供
することができる。
As described above, according to the present invention, 1
The annular end portions of the pair of outer tube members are fixed to the respective tubes by fixing means, and the flexible member is stretchably stretched between the annular enlarged diameter portions of the outer tube members. Following the sliding, the joint can also expand and contract, so that even if the tube moves significantly, the tube does not escape from the joint. Further, even when the pipe is inclined, the joint can be inclined to follow the inclination, so that there is no possibility that the joint is broken. Therefore, it is possible to provide a safe joint that does not have to worry about water leakage from the joint under any circumstances.

【図面の簡単な説明】[Brief description of the drawings]

【図1】管路用漏水補修伸縮可撓継手の1実施例を示す
正面図である。
FIG. 1 is a front view showing one embodiment of a water leakage repairing expansion / contraction flexible joint for a pipeline.

【図2】同実施例の側面図である。FIG. 2 is a side view of the embodiment.

【図3】図2のA−A矢視図である。FIG. 3 is a view as viewed in the direction of arrows AA in FIG. 2;

【図4】従来の漏水防止継手を示す正面図である。FIG. 4 is a front view showing a conventional water leakage prevention joint.

【符号の説明】[Explanation of symbols]

2、2′ 管 3 ジョイント 4、4′ 環状端部 5、5′ 環状拡径部 6、6′ 外管部材 7 可撓部材 15、16 固定手段 17、18 シール部材 2, 2 'pipe 3 Joint 4, 4' Annular end 5, 5 'Annular expanded part 6, 6' Outer pipe member 7 Flexible member 15, 16 Fixing means 17, 18 Seal member

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 隣り合う管の端部どうしを接続するジョ
イントに隣接する各管の部分に嵌合する環状端部と該環
状端部から該ジョイント上方に延長する環状拡径部とを
備える1対の外管部材と、該1対の外管部材の環状拡径
部の間に伸縮可能に跨設されたゴム・合成樹脂等からな
る可撓部材と、該外管部材の各環状端部を各管に固定す
る固定手段と、該外管部材の各環状端部と各管表面の間
に配設されたシール部材とを有してなる管路用漏水補修
伸縮可撓継手。
An annular end fitted to a portion of each tube adjacent to a joint connecting ends of adjacent tubes, and an annular enlarged portion extending from the annular end to above the joint. A pair of outer pipe members, a flexible member made of rubber, synthetic resin, or the like, which is stretchably stretched between the annular enlarged diameter portions of the pair of outer pipe members, and each annular end of the outer pipe members And a sealing member disposed between each annular end of the outer pipe member and each pipe surface.
JP5291357A 1993-10-27 1993-10-27 Water leakage repair telescopic flexible joint for pipeline Expired - Fee Related JP2652336B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5291357A JP2652336B2 (en) 1993-10-27 1993-10-27 Water leakage repair telescopic flexible joint for pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5291357A JP2652336B2 (en) 1993-10-27 1993-10-27 Water leakage repair telescopic flexible joint for pipeline

Publications (2)

Publication Number Publication Date
JPH07139684A JPH07139684A (en) 1995-05-30
JP2652336B2 true JP2652336B2 (en) 1997-09-10

Family

ID=17767882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5291357A Expired - Fee Related JP2652336B2 (en) 1993-10-27 1993-10-27 Water leakage repair telescopic flexible joint for pipeline

Country Status (1)

Country Link
JP (1) JP2652336B2 (en)

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US8777158B2 (en) * 2011-03-25 2014-07-15 The Boeing Company Joint sealing system
JP6100650B2 (en) * 2013-08-29 2017-03-22 六菱ゴム株式会社 Water stop structure of flexible joint
JP6713287B2 (en) * 2016-01-27 2020-06-24 日本ヴィクトリック株式会社 Repair joint
JP7358091B2 (en) * 2019-07-04 2023-10-10 コスモ工機株式会社 repair equipment

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