JPH036289B2 - - Google Patents
Info
- Publication number
- JPH036289B2 JPH036289B2 JP26372687A JP26372687A JPH036289B2 JP H036289 B2 JPH036289 B2 JP H036289B2 JP 26372687 A JP26372687 A JP 26372687A JP 26372687 A JP26372687 A JP 26372687A JP H036289 B2 JPH036289 B2 JP H036289B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- joint
- concrete
- concrete product
- packing
- 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
Links
- 238000012856 packing Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229920005549 butyl rubber Polymers 0.000 description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Landscapes
- Sewage (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Description
【発明の詳細な説明】
《発明の目的》
《産業上の利用分野》
本発明は、コンクリート桝、ボツクスカルバー
ト等のコンクリート製品と管との止水性に優れた
接合部の構造に関する。DETAILED DESCRIPTION OF THE INVENTION <<Object of the invention>><<Industrial application field>> The present invention relates to the structure of a joint portion with excellent water-stopping properties between a concrete product such as a concrete trench or a box culvert, and a pipe.
《従来の技術》
第３図に示すのは、従来のコンクリート製品と
管の接合部の構造を示す略断面図である。同図に
示すごとく、コンクリート桝１１の孔１３の周囲
に１段の段部１４を形成し、これに管１２を嵌合
し、管１２外周面と段部１４により形成される溝
にパツキン１５を詰め、さらにモルタル１６を充
填していた。<<Prior Art>> FIG. 3 is a schematic cross-sectional view showing the structure of a conventional joint between a concrete product and a pipe. As shown in the figure, a single step 14 is formed around the hole 13 of the concrete pit 11, the pipe 12 is fitted into this, and a packing 15 is inserted into the groove formed by the outer peripheral surface of the pipe 12 and the step 14. It was then filled with mortar 16.
《発明が解決しようとする問題点》
このような従来の構造は、接合部にモルタルを
充填して剛性を持たせているので、コンクリート
製品と管とが不等沈下を起こした場合、接合部の
コンクリート製品あるいは管にクラツク等の損傷
を生じ止水性が失われていた。[Problems to be solved by the invention] In such conventional structures, the joints are filled with mortar to provide rigidity, so if the concrete product and the pipe settle unevenly, the joints Damage such as cracks occurred to the concrete products or pipes, and water-tightness was lost.
《問題点を解決するための手段》
本発明は、コンクリート製品接合部に形成した
孔周囲に２段に形成された段部を設け、その内側
の段部に管を嵌合し、外側の段部と管外周面によ
り形成される溝にＸ字状断面を有するパツキンを
充填してなることを特徴とするコンクリート製品
と管の接合部の構造である。<Means for Solving the Problems> The present invention provides a step formed in two stages around a hole formed in a concrete product joint, a pipe is fitted into the inner step, and a pipe is fitted into the outer step. This is a structure of a joint between a concrete product and a pipe, characterized in that a groove formed by the outer peripheral surface of the concrete product and the pipe is filled with a packing having an X-shaped cross section.
パツキンは、ブチルゴム、シリコン、塩化ビニ
ルコンパウンド等の弾性体である。 The packing is an elastic material such as butyl rubber, silicone, or vinyl chloride compound.
《作用》
本発明構造においては、モルタルを用いないた
めに接合部がフレキシブルであり、コンクリート
製品と管とが不等沈下を起こした場合でも接合部
が折れ曲がるだけで損傷を受けない。<<Operation>> In the structure of the present invention, since mortar is not used, the joint is flexible, and even if uneven settlement occurs between the concrete product and the pipe, the joint will only bend and will not be damaged.
止水性に関しては、例えば第２図に示すごと
く、外側から矢印Ａのごとく水圧がかかると、パ
ツキン６の腕６ａ，６ｂが矢印Ｂのごとく開くよ
うに力が働き、それぞれ管２外周面と段部５に押
しつけられるので水の侵入を防ぐことができる。
反対に内側から水圧がかかる場合もパツキン６の
腕６ｃ，６ｄが同様に働き、水の流出を防ぐ。 Regarding water-stopping properties, for example, as shown in Fig. 2, when water pressure is applied from the outside as shown by arrow A, force acts to open the arms 6a and 6b of the gasket 6 as shown by arrow B, and the outer peripheral surface of the pipe 2 and the step Since it is pressed against the portion 5, it is possible to prevent water from entering.
Conversely, when water pressure is applied from the inside, the arms 6c and 6d of the gasket 6 work in the same way to prevent water from flowing out.
《実施例》 図面により実施例を説明する。"Example" Examples will be explained with reference to the drawings.
第１，２図は本発明の実施例に関し、第１図は
コンクリート桝と管の接合部の略断面図、第２図
は第１図の要部拡大図である。 1 and 2 relate to an embodiment of the present invention; FIG. 1 is a schematic sectional view of a joint between a concrete pit and a pipe, and FIG. 2 is an enlarged view of the main part of FIG. 1.
コンクリート桝１の接合部には水が流通するた
めの孔３が設けられ、その周囲には内側の段部４
および外側の段部５の２段の段部が形成されてい
る。 A hole 3 for water to flow is provided at the joint of the concrete pit 1, and an inner step 4 is provided around the hole 3.
Two step portions, ie, an outer step portion 5 and an outer step portion 5, are formed.
管２は、第１図に示すごとく、内側の段部４に
嵌合され、外側の段部５と管２外周面により形成
される溝にはブチルゴム製のＸ字状断面を有する
パツキン６を充填している。この接合部は土中に
埋め込まれている。 As shown in FIG. 1, the tube 2 is fitted into an inner step 4, and a butyl rubber packing 6 having an X-shaped cross section is fitted in the groove formed by the outer step 5 and the outer peripheral surface of the tube 2. It is filling. This joint is buried in the soil.
《発明の効果》
本発明構造においては、モルタルを用いないた
めに接合部がフレキシブルであり、コンクリート
製品と管とが不等沈下を起こした場合でも接合部
が折れ曲がるだけで損傷を受けることがないの
で、長期間止水性を保つことができる。また、Ｘ
字状パツキンを用いたため止水性自体にも優れる
構造である。<<Effects of the Invention>> In the structure of the present invention, since no mortar is used, the joints are flexible, and even if uneven settlement occurs between the concrete product and the pipe, the joints will simply bend and will not be damaged. Therefore, it can maintain watertightness for a long period of time. Also, X
Because it uses a letter-shaped packing, it has a structure that has excellent water-stopping properties.
第１，２図は本発明の実施例に関し、第１図は
コンクリート桝と管の接合部の略断面図、第２図
は第１図の要部拡大図である。第３図は従来のコ
ンクリート製品と管の接合部の構造を示す略断面
図である。
１……コンクリート桝、２……管、３……孔、
４……内側の段部、５……外側の段部、６……パ
ツキン、１１……コンクリート桝、１２……管、
１３……孔、１４……段部、１５……パツキン、
１６……モルタル。
1 and 2 relate to an embodiment of the present invention; FIG. 1 is a schematic sectional view of a joint between a concrete pit and a pipe, and FIG. 2 is an enlarged view of the main part of FIG. 1. FIG. 3 is a schematic cross-sectional view showing the structure of a conventional joint between a concrete product and a pipe. 1... Concrete pit, 2... Pipe, 3... Hole,
4... Inner step, 5... Outer step, 6... Packing, 11... Concrete box, 12... Pipe,
13... Hole, 14... Step part, 15... Packing,
16...Mortar.
Claims (1)
に２段に形成された段部を設け、その内側の段部
４に管を嵌合し、外側の段部５と管外周面より形
成される溝にＸ字状断面を有するパツキン６を充
填してなることを特徴とするコンクリート製品と
管の接合部の構造。1 A two-stage step is provided around the hole 3 formed in the concrete product joint, a pipe is fitted into the inner step 4, and a groove is formed by the outer step 5 and the outer peripheral surface of the pipe. A structure of a joint between a concrete product and a pipe, characterized by being filled with a packing 6 having an X-shaped cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26372687A JPH01111934A (en) | 1987-10-21 | 1987-10-21 | Structure of connection part of concrete part and pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26372687A JPH01111934A (en) | 1987-10-21 | 1987-10-21 | Structure of connection part of concrete part and pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01111934A JPH01111934A (en) | 1989-04-28 |
| JPH036289B2 true JPH036289B2 (en) | 1991-01-29 |
Family
ID=17393451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26372687A Granted JPH01111934A (en) | 1987-10-21 | 1987-10-21 | Structure of connection part of concrete part and pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111934A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6460896B1 (en) * | 2000-11-17 | 2002-10-08 | Greg Stephens | Sewer pipe coupling |
-
1987
- 1987-10-21 JP JP26372687A patent/JPH01111934A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01111934A (en) | 1989-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
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|
| R250 | Receipt of annual fees |
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|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 17 Free format text: PAYMENT UNTIL: 20080129 |