JP2543091Y2 - Telescopic flexible tube - Google Patents
Telescopic flexible tubeInfo
- Publication number
- JP2543091Y2 JP2543091Y2 JP1991090284U JP9028491U JP2543091Y2 JP 2543091 Y2 JP2543091 Y2 JP 2543091Y2 JP 1991090284 U JP1991090284 U JP 1991090284U JP 9028491 U JP9028491 U JP 9028491U JP 2543091 Y2 JP2543091 Y2 JP 2543091Y2
- Authority
- JP
- Japan
- Prior art keywords
- flexible tube
- pipe
- ground
- joint
- telescopic flexible
- 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 - Lifetime
Links
Landscapes
- Joints Allowing Movement (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、沈下するおそれのある
地盤に埋設される管路と沈下の起こらない構造物との間
を接続するための伸縮可撓管に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telescopic flexible tube for connecting a pipe buried in the ground that may sink and a structure that does not sink.
【０００２】[0002]
【従来の技術】沈下するおそれのある地盤に建設される
コンクリート構造物においては、地盤沈下しても構造物
自体が沈下したり傾いたりしないように、沈下するおそ
れのない地盤層まで基礎杭を打設するなどの対策がとら
れている。ところが、この構造物に接続されるべき管路
は、沈下するおそれのある地盤中に敷設されているた
め、地盤沈下が起こると同様に沈下することになり、こ
の埋設管路とコンクリート構造物との間で大きな変位が
生じることになる。2. Description of the Related Art In a concrete structure to be constructed on the ground where there is a possibility of sinking, a foundation pile is laid to a ground layer where there is no possibility of sinking so that the structure itself does not sink or tilt even if the ground sinks. Measures such as casting are taken. However, since the pipeline to be connected to this structure is laid in the ground where there is a possibility of sinking, it will sink in the same way as when the ground sinks, and this buried pipeline and concrete structure Large displacement occurs between the two.
【０００３】従来、このような変位を吸収するため、図
３に示すように、沈下するおそれのある地盤に敷設され
た埋設管路１１と、沈下の起こらない構造物１２との間
は、中間部に蛇腹状の伸縮可撓部１４を有した伸縮可撓
管１３にて接続されている。この伸縮可撓管１３の一端
の外周には構造物１２の壁中に埋設されるフランジ１５
が形成され、その他端には、埋設管路１１の管端部が挿
入されてこの管端部を接続するための継手部１６が形成
されている。Conventionally, in order to absorb such a displacement, as shown in FIG. 3, there is an intermediate between a buried pipeline 11 laid on the ground which is likely to sink and a structure 12 which does not settle. The parts are connected by a telescopic flexible tube 13 having a bellows-shaped telescopic flexible part 14. A flange 15 embedded in the wall of the structure 12 is provided on the outer periphery of one end of the telescopic flexible tube 13.
The other end is formed with a joint 16 for inserting the pipe end of the buried pipe 11 and connecting the pipe end.
【０００４】[0004]
【考案が解決しようとする課題】ところで、図３のよう
な構成の従来の伸縮可撓管１３を用いた場合は、地盤沈
下に伴って、伸縮可撓管１３の軸心ＯがＳ字状になるよ
うに屈曲しなければならない。しかし、一般に伸縮可撓
部１４の曲げ剛性の方が継手部１６の曲げ剛性よりも大
きく、また継手部１６と埋設管路１１の管端部とは、こ
の管端部が単に継手部に挿入されただけの、いわゆるフ
リージョイント構造であるため、地盤沈下が大きくなる
と、図４に示すように、伸縮可撓部１４の曲げ剛性によ
って埋設管路１１の管端部への継手部１６の追従が阻害
され、継手部１６が埋設管路１１の軸心Ｏ1 に対して傾
斜してしまい、この継手部１６から漏水することがある
という問題点がある。When the conventional flexible tube 13 having the structure shown in FIG. 3 is used, the axis O of the flexible tube 13 becomes S-shaped due to the subsidence of the ground. Bend so that However, in general, the flexural rigidity of the elastic portion 14 is larger than the flexural rigidity of the joint portion 16.
The joint 16 and the pipe end of the buried pipeline 11
The pipe end is simply inserted into the joint,
Due to the Lee joint structure, when the land subsidence increases, as shown in FIG. 4, the bending rigidity of the elastic flexible portion 14 hinders the follow-up of the joint 16 to the pipe end of the buried conduit 11, and the joint 16 will be inclined relative to the axis O 1 of the buried pipe 11, there is a problem that it may be leakage from the joint portion 16.
【０００５】また、これを防止するために、伸縮可撓管
１３として、伸縮可撓部１４の曲げ剛性の小さいものを
用いることも考えられるが、その場合は土圧に対する耐
力が小さく、埋設管路１１の埋設深さに制限を受け、実
用上の対応できないという問題点がある。In order to prevent this, it is conceivable to use an elastic flexible tube 13 having a small flexural rigidity of the elastic flexible portion 14, but in this case, the burial tube 13 has a small resistance to earth pressure. There is a problem that the burial depth of the road 11 is limited and cannot be practically used.
【０００６】さらに、図５に示すように、継手部１６が
埋設管路１１の管端部の沈下に確実に追従するように、
継手部１６と伸縮可撓部１４との間に長さＬの比較的長
尺の直管部１７を設けて対応することもできるが、その
分だけ高価になるという問題点がある。Further, as shown in FIG. 5, the joint 16 is designed to follow the sinking of the pipe end of the buried conduit 11 without fail.
Although it is possible to provide a relatively long straight pipe portion 17 having a length L between the joint portion 16 and the expandable / contractible flexible portion 14, it is expensive.
【０００７】そこで本考案はこのような問題点を解決
し、埋設管路側の継手部をこの埋設管路の管端部に確実
に追従させることができて漏水のおそれがなく、しかも
長い直管部を設けることなしに安価に構成できる伸縮可
撓管を提供することを目的とする。Accordingly, the present invention solves such a problem, and the joint portion on the buried pipe side can reliably follow the pipe end of the buried pipe line, so that there is no danger of water leakage and a long straight pipe. It is an object of the present invention to provide a telescopic flexible tube that can be configured at a low cost without providing a part.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
本考案は、沈下するおそれのある地盤に埋設される管路
と沈下の起こらない構造物との間を接続するための伸縮
可撓管が、前記管路の管端部が挿入される受口状の継手
部を端部に有し、この継手部は、管路に沈下が生じたと
きにこの管路の軸心に対して傾斜してしまって漏水を起
こす可能性を有し、前記伸縮可撓管は、この継手部の近
傍の外面に、この外面から地盤内に向けて入り込むこと
で前記傾斜を起こそうとする力を地盤に受けさせる規制
板を取り付けられたものである。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a telescopic flexible tube for connecting a pipe buried in the ground which may sink and a structure which does not sink. A socket-shaped joint into which the pipe end of the pipe is inserted
Part at the end, and this joint part
Mushrooms are inclined with respect to the axis of the pipeline, causing water leakage.
Has straining possibility, the extendable flexible tube, the outer surface in the vicinity of the joint portion, from entering toward the inside ground from the outer surface
The ground to receive the force to cause the inclination
A plate is attached .
【０００９】[0009]
【作用】このような構成によれば、地盤沈下時に伸縮可
撓部の曲げ剛性によって継手部を埋設管路の管軸心に対
して傾斜させるようなモーメントが作用しても、そのモ
ーメントが規制板を介して地盤により受けられるため、
継手部は埋設管路の管端部の沈下に確実に追従する。According to this structure, even when a moment acts to incline the joint with respect to the pipe axis of the buried conduit due to the bending rigidity of the elastic part during land subsidence, the moment is regulated. Because it can be received by the ground through the board,
The joint reliably follows the sinking of the pipe end of the buried pipeline.
【００１０】[0010]
【実施例】図１において、１は沈下するおそれのある地
盤に埋設された埋設管路であり、この地盤中において沈
下が起こらないように建設されたコンクリート製の構造
物２に接続される。埋設管路１の管端部１ａと構造物２
の壁との間には、ゴムなどの柔軟な材料で形成された伸
縮可撓管３が介装されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 1 denotes a buried conduit buried in a ground that may sink, and is connected to a concrete structure 2 constructed so as not to sink in the ground. Pipe end 1a of buried pipeline 1 and structure 2
A telescopic flexible tube 3 formed of a flexible material such as rubber is interposed between the first and second walls.
【００１１】伸縮可撓管３は、それぞれ短尺の直管にて
構成された一端部３ａと他端部３ｂとを有し、これらの
中間部に蛇腹状の伸縮可撓部４が設けられ、この伸縮可
撓部４において伸縮と屈曲とが自在なように構成されて
いる。この伸縮可撓管３の一端部３ａの外周に設けられ
たフランジ５が構造物２の壁内に埋設されることで、こ
の伸縮可撓管３が構造物２に固定されている。伸縮可撓
管３の他端部３ｂの先端には、埋設管路１の管端部１ａ
が挿入されることでこの管端部１ａに接続される受口状
の継手部６が形成されている。すなわち、これら継手部
６と埋設管路１の管端部１ａとは、この管端部１ａが単
に継手部６に挿入されただけの、いわゆるフリージョイ
ント構造とされている。 The telescopic flexible tube 3 has one end 3a and the other end 3b each formed of a short straight pipe, and a bellows-shaped telescopic flexible portion 4 is provided at an intermediate portion between them. The telescopic flexible part 4 is configured to be able to freely expand and contract and bend. The telescopic flexible tube 3 is fixed to the structure 2 by embedding a flange 5 provided on the outer periphery of one end 3 a of the telescopic flexible tube 3 in the wall of the structure 2. At the tip of the other end 3b of the telescopic flexible tube 3, the tube end 1a of the buried conduit 1
Is inserted to form a joint 6 in the shape of a socket connected to the pipe end 1a. That is, these joints
6 and the pipe end 1a of the buried pipe 1, the pipe end 1a is simply
So-called free joy only inserted in the joint part 6
It has a hardware structure.
【００１２】継手部６の近傍における他端部３ｂの外面
には、管軸心に対し垂直に配置されて地盤内に入り込む
規制板７が取り付けられている。この規制板７は、図２
に示すように、他端部３ｂの半周程度を取り巻くように
形成され、図示の例では矩形状の板材が他端部３ｂに溶
接された構成となっている。On the outer surface of the other end 3b in the vicinity of the joint portion 6, a regulating plate 7, which is arranged perpendicular to the pipe axis and enters the ground, is attached. This regulating plate 7 is shown in FIG.
As shown in FIG. 5, the other end 3b is formed so as to surround about half a circumference thereof. In the example shown in the drawing, a rectangular plate is welded to the other end 3b.
【００１３】このような構成において、地盤沈下にとも
ない構造物２に対して埋設管路１が沈下した場合は、図
１に示すように管軸心ＯがＳ字状となるように伸縮可撓
管３が屈曲することにで、この沈下時の変位が吸収され
る。その際に、伸縮可撓部４の曲げ剛性によって、継手
部６を埋設管路１の管軸心Ｏ1 に対して傾斜させるよう
なモーメントＭが作用するが、このモーメントＭは、規
制板７を介して地盤にて確実に受けられる。そのため、
継手部６が埋設管路１の管端部１ａに完全に追従し、隙
間を生じて漏水が発生するような事態の発生が防止され
る。しかも、伸縮可撓管３の他端部３ｂに規制板７を取
り付けるだけで構成できるので、安価な構成とすること
ができる。In such a configuration, when the buried pipeline 1 sinks with respect to the structure 2 due to the subsidence of the ground, it expands and contracts so that the pipe axis O becomes S-shaped as shown in FIG. When the pipe 3 is bent, the displacement at the time of sinking is absorbed. At this time, due to the bending stiffness of the expandable and contractible flexible portion 4, a moment M acts so as to incline the joint portion 6 with respect to the pipe axis O 1 of the buried conduit 1. Can be reliably received on the ground via. for that reason,
The joint portion 6 completely follows the pipe end 1a of the buried pipeline 1, thereby preventing a situation where a gap is generated and water leakage occurs. In addition, since it can be configured simply by attaching the regulating plate 7 to the other end 3b of the flexible tube 3, the configuration can be inexpensive.
【００１４】[0014]
【考案の効果】以上述べたように本考案によれば、継手
部の近傍に規制板を取り付けたため、地盤沈下時に伸縮
可撓部の曲げ剛性によって継手部を傾斜させるようなモ
ーメントが作用しても、そのモーメントは規制板を介し
て地盤にて受けられ、このため、継手部と埋設管路の管
端部とが、この管端部が単に継手部に挿入されただけ
の、いわゆるフリージョイント構造であることで、前記
傾斜の発生によって漏水を起こす可能性があるにもかか
わらず、継手部を埋設管路の管端部に確実に追従させる
ことができ、したがって漏水を確実に防止でき、しかも
規制板を取り付けるだけでよいので安価な構成とするこ
とができる。As described above, according to the present invention, since the regulating plate is attached near the joint, a moment acts to incline the joint due to the bending stiffness of the elastic part when the ground sinks. The moment is received on the ground through the regulating plate, and therefore the joint and the pipe of the buried pipeline are
The end is simply the end of this tube simply inserted into the joint
By the so-called free joint structure,
Is there a possibility of water leakage due to the generation of the slope?
Instead, ensure that the joint follows the pipe end of the buried pipeline
Therefore , it is possible to reliably prevent water leakage, and it is only necessary to attach a regulating plate, so that an inexpensive configuration can be achieved.
【図１】本考案の一実施例の伸縮可撓管の縦断面図であ
る。FIG. 1 is a longitudinal sectional view of a telescopic flexible tube according to an embodiment of the present invention.
【図２】図１におけるII−II線に沿った横断面図であ
る。FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
【図３】従来の伸縮可撓管の縦断面図である。FIG. 3 is a longitudinal sectional view of a conventional telescopic flexible tube.
【図４】図３の伸縮可撓管の地盤沈下時の状態を示す縦
断面図である。FIG. 4 is a longitudinal sectional view showing a state of the telescopic flexible tube of FIG. 3 when the ground subsides.
【図５】従来の他の伸縮可撓管の縦断面図である。FIG. 5 is a longitudinal sectional view of another conventional telescopic flexible tube.
１ 埋設管路 ２ 構造物 ３ 伸縮可撓管 ６ 継手部 ７ 規制板 DESCRIPTION OF SYMBOLS 1 Buried pipeline 2 Structure 3 Telescopic flexible tube 6 Joint part 7 Regulatory plate
Claims (1)
管路と沈下の起こらない構造物との間を接続するための
伸縮可撓管であって、前記管路の管端部が挿入される受
口状の継手部を端部に有し、この継手部は、管路に沈下
が生じたときにこの管路の軸心に対して傾斜してしまっ
て漏水を起こす可能性を有し、この継手部の近傍の外面
に、この外面から地盤内に向けて入り込むことで前記傾
斜を起こそうとする力を地盤に受けさせる規制板を取り
付けたことを特徴とする伸縮可撓管。1. A telescopic flexible tube for connecting between a pipe buried in the ground that is likely to sink and a structure that does not settle, wherein a pipe end of the pipe is inserted. Receiving
Mouth-shaped joint at the end, which sinks into the pipeline
Is inclined with respect to the axis of this pipeline when
Water, which may cause water leakage, and the inclination by entering the outer surface near the joint portion from the outer surface into the ground.
A telescopic flexible tube, wherein a restricting plate is provided for allowing a ground to receive a force for causing a slope .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991090284U JP2543091Y2 (en) | 1991-11-05 | 1991-11-05 | Telescopic flexible tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991090284U JP2543091Y2 (en) | 1991-11-05 | 1991-11-05 | Telescopic flexible tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0542880U JPH0542880U (en) | 1993-06-11 |
| JP2543091Y2 true JP2543091Y2 (en) | 1997-08-06 |
Family
ID=13994223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991090284U Expired - Lifetime JP2543091Y2 (en) | 1991-11-05 | 1991-11-05 | Telescopic flexible tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2543091Y2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6241987U (en) * | 1985-08-31 | 1987-03-13 | ||
| JPS6458395A (en) * | 1987-08-31 | 1989-03-06 | Nec Corp | Method for treating waste water containing ferrous ion |
| JPH02121691U (en) * | 1989-03-17 | 1990-10-03 | ||
| JPH02304298A (en) * | 1989-05-19 | 1990-12-18 | Riken Corp | Repairing joint for stainless steel pipe and repairing method thereof |
-
1991
- 1991-11-05 JP JP1991090284U patent/JP2543091Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542880U (en) | 1993-06-11 |
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