JPH08284188A - Manhole and pipeline and binding device - Google Patents
Manhole and pipeline and binding deviceInfo
- Publication number
- JPH08284188A JPH08284188A JP7111329A JP11132995A JPH08284188A JP H08284188 A JPH08284188 A JP H08284188A JP 7111329 A JP7111329 A JP 7111329A JP 11132995 A JP11132995 A JP 11132995A JP H08284188 A JPH08284188 A JP H08284188A
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- pipe
- ring
- fitted
- pipes
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
- F16L27/127—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position
- F16L27/1273—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position by quick-acting means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Joints Allowing Movement (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、マンホールとヒューム
管等による管路との連結にあたって、地震や地盤沈下等
に好適に対処できるように、可撓、伸縮自在に連結する
ための結合装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device for connecting a manhole and a fume pipe or the like in a flexible and telescopic manner so as to appropriately cope with earthquakes and ground subsidence. It is a thing.
【０００２】[0002]
【従来の技術】従来、下水道等地下に埋設の管路は、マ
ンホールを介して接続がなされている。すなわち、図９
に示すように、マンホールＡは一般に輪切り状としたコ
ンクリート製のブロック１，１を地中に積み重ねて結合
して形成され、その底部にあるブロック１に設けた接続
孔２に、管路を形成するヒューム管３の端部を挿入し
て、モルタル等のコーキング材４を孔２とヒューム管３
との隙間に充填して接続している。2. Description of the Related Art Conventionally, underground conduits such as sewers are connected via a manhole. That is, FIG.
As shown in Fig. 3, the manhole A is generally formed by stacking concrete blocks 1 and 1 in the shape of a slice into the ground and connecting them, and forming a conduit in a connection hole 2 provided in the block 1 at the bottom thereof. Insert the end of the fume tube 3 and insert the caulking material 4 such as mortar into the hole 2 and the fume tube 3.
It is filled and connected in the gap between.
【０００３】[0003]
【発明が解決しようとする課題】ところで、地中に埋設
されるマンホールや管路では、地震や地盤沈下によって
あらゆる方向の外力を受けることになり、マンホールと
管路とは相対的に屈曲、伸縮や捩り作用が働くことにな
る。そのような場合、従来、マンホールと管路とは、上
記のように剛結合となっているため、作用する外力が少
し大きくなると、マンホールや管体自体或はそれらの接
続部分が損傷を受けたり破壊するおそれがある。However, manholes and pipelines buried in the ground are subject to external forces in all directions due to earthquakes and ground subsidence, and the manholes and pipelines are relatively bent and expanded. And the twisting action will work. In such a case, conventionally, the manhole and the pipe line are rigidly connected as described above, and therefore, when the external force acting on the manhole becomes a little large, the manhole and the pipe body or their connecting parts may be damaged. May be destroyed.
【０００４】本発明は、上記のような従来の問題点にか
んがみなされたもので、マンホールと管路との接続が、
屈曲、伸縮、捩れ等の荷重を吸収できるとともに、水密
性もよく連結も強固にできるようにした、マンホールと
管路との結合装置を提供しようとするものである。The present invention has been made in consideration of the above-mentioned conventional problems, and the connection between the manhole and the pipeline is
An object of the present invention is to provide a coupling device for a manhole and a conduit, which is capable of absorbing loads such as bending, expansion and contraction, twisting, etc., and also has good watertightness and strong connection.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めの本発明の構成について、実施例に対応する図面を参
照して説明すると、請求項１のマンホールと管路との結
合装置は、管路のヒューム管３及びこれと接続するマン
ホールＡに、それぞれ、外周に突条リング７，８を設け
た短尺管５ａ，５ｂを結合し、それら両ステンレス管５
ａ，５ｂの先端部どうしを挿嵌して接続するとともに、
該接続部の外側に、柔軟弾性体よりなる被覆筒11を嵌着
し、該被覆筒11の外側に、外周を軸方向の円錐状テーパ
面17とした、複数に分割してなる筒状分割リング15，15
を被着し、その外側に、内周を円錐状テーパ面19に形成
した締着リング18を嵌合して緊締したことを特徴とする
ものである。The structure of the present invention for achieving the above object will be described with reference to the drawings corresponding to the embodiments. The short pipes 5a and 5b provided with the ridge rings 7 and 8 on the outer periphery are respectively coupled to the fume pipe 3 of the pipe line and the manhole A connected to the fume pipe 3, and both of these stainless pipes 5 are connected.
While inserting and connecting the tips of a and 5b,
A cylindrical division formed by fitting a covering cylinder 11 made of a flexible elastic body on the outside of the connecting portion, and dividing the outside into an axial conical tapered surface 17 on the outside of the covering cylinder 11. Rings 15, 15
It is characterized in that a fastening ring 18 having an inner circumference formed in a conical tapered surface 19 is fitted and tightened on the outer side.
【０００６】また、請求項２のマンホールと管路との結
合装置は、請求項１の装置において、筒状分割リング1
5，15の円錐状テーパ面を、その軸方向の中央部から両
端へ互いに傾斜方向を反対とした２つのテーパ面17ａ，
17ｂに形成したことを特徴とするものである。Further, the connecting device for connecting the manhole and the pipe line according to claim 2 is the device according to claim 1, wherein the tubular split ring 1 is provided.
Two conical tapered surfaces 5 and 15 have two tapered surfaces 17a whose inclination directions are opposite to each other from the central portion in the axial direction to both ends.
It is characterized in that it is formed in 17b.
【０００７】[0007]
【作用】本発明の装置では、ヒューム管３を結合した継
管５ａと、マンホールＡのブロック１に結合したステン
レス管５ｂとを入れ子式に重合して接続され、その外側
に被覆筒11と筒状分割リング15，15及び締着リングを嵌
合して結合される。In the apparatus of the present invention, the joint pipe 5a connected to the fume pipe 3 and the stainless pipe 5b connected to the block 1 of the manhole A are nested and superposed and connected to each other. The split rings 15, 15 and the fastening ring are fitted and joined together.
【０００８】この場合、被覆筒11は柔軟な弾性体である
ため、筒状分割リング15，15と締着リングによる締め付
けでステンレス管５ａ，５ｂの外面に密接して水密性が
保たれるとともに、突条リング７，８との係合により、
両ステンレス管５ａ，５ｂはその軸線方向に対する移動
がある程度許容される状態で結合される。また、継管５
ａ，５ｂの相互間に捩れや屈曲作用が生じても、被覆筒
11の弾性及び継管５ａ，５ｂ自体の弾性によって、それ
ら外力を吸収することができ、損壊の防止が図れる。In this case, since the covering cylinder 11 is a flexible elastic body, watertightness is maintained while being closely contacted with the outer surfaces of the stainless steel pipes 5a, 5b by tightening with the tubular split rings 15, 15 and the tightening ring. , By engagement with the ridge rings 7 and 8,
The two stainless steel pipes 5a and 5b are joined in a state in which their movement in the axial direction is allowed to some extent. In addition, pipe 5
Even if a twist or bending action occurs between a and 5b, the coated cylinder
By the elasticity of 11 and the elasticity of the connecting pipes 5a and 5b themselves, these external forces can be absorbed and damage can be prevented.
【０００９】[0009]
【実施例】以下、本発明の実施例について図面を参照し
て説明する。図１〜図５は本発明の一実施例を示し、図
６〜図８は同他の実施例を示したものである。Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show an embodiment of the present invention, and FIGS. 6 to 8 show another embodiment.
【００１０】図１〜図５において、５ａ，５ｂは連結さ
れる一対の短尺、薄肉の継管で、ステンレス等の金属や
プラスチック或は硬質ゴムで形成されており、一方の継
管５ａは管路のヒューム管３の内径とほぼ同様の内径を
有し、その基端部にはヒューム管３の先端部を嵌入する
拡径の受口６が形成されており、長さ方向の中間部外周
には、所要の高さと幅を有する突条リング７が突設され
ている。また、他方の継管５ｂは一方の継管５ａの外側
に遊嵌できる内径を有する短尺の継管で、一方の継管５
ａと接続する先端部の外周には、所要の高さと幅を有す
る突条リング８が突設されている。1 to 5, reference numerals 5a and 5b denote a pair of short, thin-walled joint pipes that are connected to each other, and are made of metal such as stainless steel, plastic, or hard rubber, and one joint pipe 5a is a pipe. The inner diameter of the fume tube 3 is substantially the same as the inner diameter of the fume tube 3 of the passage, and an expanded diameter receiving port 6 into which the tip of the fume tube 3 is fitted is formed at the base end of the fume tube 3. A ridge ring 7 having a required height and width is provided on the ridge. The other joint pipe 5b is a short joint pipe having an inner diameter that allows loose fitting to the outside of the one joint pipe 5a.
A ridge ring 8 having a required height and width is provided on the outer periphery of the tip portion connected to a.
【００１１】一方の継管５ａはその受口６をヒューム管
３先端部に外嵌し、水膨張性のシール材９を介して水密
に結合されている。また、他方の継管５ｂはその基端部
がマンホールＡのブロック１の接続孔２に挿入され、モ
ルタル等のコーキング材４を介して結合されている。そ
して、両継管５ａ，５ｂは互いに先端部どうしを所要の
長さにわたり重ね合せて挿嵌され、その重ね合せ部分の
両管５ａ，５ｂ間にはシール材10が介装されている。One of the connecting pipes 5a has its receiving port 6 fitted onto the tip of the fume pipe 3 and is water-tightly coupled via a water-expandable sealing material 9. The other end of the connecting pipe 5b is inserted into the connection hole 2 of the block 1 of the manhole A, and is joined via a caulking material 4 such as mortar. The two joint pipes 5a and 5b are inserted into each other by overlapping the tip portions with each other over a required length, and a sealing material 10 is interposed between the two pipes 5a and 5b in the overlapping portion.
【００１２】11は、両継管５ａ，５ｂの嵌合部分の外側
に嵌着される被覆筒で、ゴム、プラスチック等の柔軟な
弾性及びシール性を有する材料で形成されており、その
内面には、両ステンレス管５ａ，５ｂの突条リング７，
８と係合される２条の環状溝12，12が周設されている。
そして、被覆筒11の両端外周には、面取りした斜断面1
3，13が形成されている。Reference numeral 11 denotes a covering cylinder fitted outside the fitting portions of the two joint pipes 5a and 5b, which is made of a material having a flexible elasticity and a sealing property such as rubber or plastic, and has an inner surface on the inner surface thereof. Is the ridge ring 7 of both stainless pipes 5a, 5b.
Two annular grooves 12, 12 engaged with 8 are circumferentially provided.
The chamfered oblique cross section 1 is formed on the outer circumference of both ends of the covering cylinder 11.
3 and 13 are formed.
【００１３】また、15は、被覆筒11の外側に被着される
２個一対よりなる筒状分割リングで、被覆筒11より長く
形成され、その両端部内側には、上記斜断面13，13に外
接する内向き斜断面16，16が形成されている。そして、
筒状分割リング15，15の外面はその軸線方向に沿う円錐
状テーパ面17に形成されている。筒状分割リング15，15
の外側には筒状の締着リング18が嵌合、圧接される。こ
の締着リング17はその内面が上記テーパ面17に適合する
円錐状テーパ面19に形成されている。Reference numeral 15 is a cylindrical split ring formed of a pair of two pieces which is attached to the outside of the covering cylinder 11, is formed longer than the covering cylinder 11, and has the above-mentioned slanted cross sections 13 and 13 inside both ends thereof. An inwardly inclined section 16 is formed that circumscribes the. And
The outer surfaces of the tubular split rings 15, 15 are formed as conical tapered surfaces 17 along the axial direction. Cylindrical split ring 15,15
A tubular fastening ring 18 is fitted and press-contacted to the outside of the. The inner surface of the fastening ring 17 is formed as a conical tapered surface 19 that fits the tapered surface 17.
【００１４】両ステンレス管５ａ，５ｂの結合にあたっ
ては、あらかじめどちらか一方の継管５ａ（５ｂ）に被
覆筒11及び締着リング18を嵌合しておく。そして、両継
管５ａ，５ｂの先端部を互いに所要の深さに重ね合わせ
た後、その部分の外側に被覆筒11をずらして被せ、被覆
筒11の環状溝12，12を継管５ａ，５ｂの突条リング７，
８に係合させる。次に、一対の筒状分割リング15，15を
被覆筒11の外側に被着し、さらにその外側に締着リング
18を嵌合して、その軸線方向に打撃等により移動させれ
ば、それらのテーパ面17，19の作用で、筒状分割リング
15，15はその内面と内向き斜断面16，16で被覆筒11を包
み込むようにして圧着し、両継管５ａ，５ｂは弾性のあ
る被覆筒11を介し弾性的に結合されることになる。[0014] Both stainless steel tube 5a, when binding 5b is previously fitted a cover tube 11 and the fastening ring 18 in advance either Tsugikan 5a (5b). Then, after overlapping the tip portions of both joint pipes 5a and 5b to each other to a required depth, the covering cylinder 11 is shifted and covered on the outer side of the portions, and the annular grooves 12, 12 of the covering pipe 11 are joined to the joint pipes 5a, 5b ridge ring 7,
8 is engaged. Next, a pair of tubular split rings 15 and 15 are attached to the outside of the covering cylinder 11, and the fastening ring is attached to the outside.
If 18 is fitted and moved in the axial direction by striking or the like, the action of these tapered surfaces 17 and 19 causes the tubular split ring.
15 and 15 are crimped so as to wrap the covering cylinder 11 with its inner surface and the inwardly inclined cross sections 16 and 16, and the two joint pipes 5a and 5b are elastically coupled through the elastic covering cylinder 11. .
【００１５】次に、本発明の他の実施例について図６〜
図８を参照して説明する。この実施例では、継管５ａ，
５ｂ及び被覆筒11についてはさきの実施例におけると同
様であるから、それらの説明は省略する。この実施例で
は、筒状分割リング15，15の外面が、その軸線方向の中
央部より各端部にかけて径小となるように、傾斜方向を
互いに反対としたテーパ面17ａ，17ｂに形成されてい
る。したがって、締着リングはそれら両テーパ面17ａ，
17ｂに適合するように一対の締着リング18ａ，18ｂより
なり、それぞれテーパ面17ａ，17ｂに対応するテーパ面
19ａ，19ｂが内面に形成されている。Next, another embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. In this embodiment, the connecting pipe 5a,
Since 5b and the covering cylinder 11 are the same as in the previous embodiment, their explanations are omitted. In this embodiment, the outer surfaces of the tubular split rings 15, 15 are formed on the tapered surfaces 17a, 17b whose inclination directions are opposite to each other so that the diameter becomes smaller from the central portion in the axial direction to the respective end portions. There is. Therefore, the fastening ring has both tapered surfaces 17a,
A pair of tightening rings 18a and 18b to fit 17b, and taper surfaces corresponding to the taper surfaces 17a and 17b, respectively.
19a and 19b are formed on the inner surface.
【００１６】なお、上記各実施例においては、継管５
ａ，５ｂの突条リング７，８は各１個づつとなっている
が、それら突条リング７，８は複数間隔をおいて設ける
こともできる。また、被覆筒11は、環状溝12，12を設け
ず単なる筒体に形成してもよく、そうした場合でも、被
覆筒11は柔軟な弾性を有するので、両継管５ａ，５ｂの
接続部の外周及び凹凸によくなじんで密着できる。In each of the above embodiments, the connecting pipe 5
The ridge rings 7 and 8 of a and 5b are one each, but the ridge rings 7 and 8 can be provided at a plurality of intervals. Further, the covering cylinder 11 may be formed as a simple cylinder without providing the annular grooves 12, 12, and even in such a case, since the covering cylinder 11 has a flexible elasticity, the covering portion of the joint pipes 5a, 5b is not connected. It fits well to the outer circumference and unevenness and can adhere closely.
【００１７】[0017]
【発明の効果】以上説明したように、本発明は、マンホ
ールと管路のヒューム管とを、一対の薄肉の継管の重ね
合せの結合により接続し、それら継管どうしを柔軟な弾
性体の被覆筒の外嵌と筒状分割リングと締着リングによ
る締付けにより弾性的に結合するようにしたので、地震
や地盤沈下等によって、マンホールとヒューム管の相互
間に、屈曲や捩れ或はヒューム管の軸方向に対するずれ
等の外力が作用した場合に、それら外力による変形、移
動にある程度追随して外力を吸収し、マンホールやヒュ
ーム管自体及びその結合部の損壊が防がれるようにな
る。As described above, according to the present invention, the manhole and the fume pipe of the conduit are connected by superposing a pair of thin-walled joint pipes, and the joint pipes are connected by a flexible elastic body. Since it is elastically coupled by the external fitting of the covering cylinder and the tightening of the tubular split ring and the tightening ring, due to earthquakes or ground subsidence, bending or twisting or fume pipe between the manhole and the Hume pipe When an external force such as a shift with respect to the axial direction is applied, the external force is absorbed to some extent by following the deformation and movement due to the external force, and damage to the manhole, the fume tube itself and the joint portion thereof can be prevented.
【００１８】また、両継管の結合部分や継管自体が損壊
した場合でも、それらを取替えて結合し直すことで復元
することが容易にでき、しかも、構造は簡単で水密性に
優れコストも安価である。Further, even if the joint portion of the two joint pipes or the joint pipe itself is damaged, it can be easily restored by replacing them and recombining them. Moreover, the structure is simple, the watertightness is excellent, and the cost is also low. It is cheap.
【図１】本発明の一実施例を示す半部切載縦断面図であ
る。FIG. 1 is a vertical cross-sectional view of a half-section according to an embodiment of the present invention.
【図２】同連結する継管の要部を示す半部切載縦断面図
である。FIG. 2 is a half-section vertical sectional view showing a main part of the connecting pipes connected to each other.
【図３】同被覆筒の半部切載縦断面図である。FIG. 3 is a half-section vertical sectional view of the same covering cylinder.
【図４】同筒状分割リングの一部切欠縦断面図である。FIG. 4 is a partially cutaway vertical sectional view of the tubular split ring.
【図５】同締着リングの半部切載縦断面図である。FIG. 5 is a half-section vertical sectional view of the fastening ring.
【図６】本発明の他の実施例を示す半部切載縦断面図で
ある。FIG. 6 is a vertical cross-sectional view of a half-section according to another embodiment of the present invention.
【図７】同筒状分割リングの一部切欠縦断面図である。FIG. 7 is a partially cutaway vertical sectional view of the tubular split ring.
【図８】同締着リングの半部切載縦断面図である。FIG. 8 is a vertical cross-sectional view of a half portion of the fastening ring.
【図９】従来のマンホールとヒューム管との結合構造を
示す縦断面図である。FIG. 9 is a vertical sectional view showing a conventional joint structure of a manhole and a fume tube.
Ａ マンホール １ ブロック ２ 孔 ３ ヒューム管 ４ コーキング材 ５ａ，５ｂ 継管 ６ 受口 ７，８ 突条リング ９，10 シール材 11 被覆筒 12 環状溝 13 斜断面 15 筒状分割リング 16 内向き斜断面 17 テーパ面 18，18ａ，18ｂ 締着リング 19，19ａ，19ｂ テーパ面 A Manhole 1 block 2 holes 3 Hume pipe 4 Caulking material 5a, 5b Joint pipe 6 Receiving port 7,8 Protrusion ring 9,10 Sealing material 11 Cover cylinder 12 Annular groove 13 Oblique cross section 15 Cylindrical dividing ring 16 Inward oblique cross section 17 Tapered surface 18, 18a, 18b Tightening ring 19, 19a, 19b Tapered surface
【手続補正書】[Procedure amendment]
【提出日】平成７年５月１９日[Submission date] May 19, 1995
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】全文[Correction target item name] Full text
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【書類名】 明細書[Document name] Statement
【発明の名称】 マンホールと管路との結合装置[Title of Invention] Device for connecting a manhole and a pipeline
【特許請求の範囲】[Claims]
【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、マンホールとヒューム
管等による管路との連結にあたって、地震や地盤沈下等
に好適に対処できるように、可撓、伸縮自在に連結する
ための結合装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device for connecting a manhole and a fume pipe or the like in a flexible and telescopic manner so as to appropriately cope with earthquakes and ground subsidence. It is a thing.
【０００２】[0002]
【従来の技術】従来、下水道等地下に埋設の管路は、マ
ンホールを介して接続がなされている。すなわち、図９
に示すように、マンホールＡは一般に輪切り状としたコ
ンクリート製のブロック１，１を地中に積み重ねて結合
して形成され、その底部にあるブロック１に設けた接続
孔２に、管路を形成するヒューム管３の端部を挿入し
て、モルタル等のコーキング材４を孔２とヒューム管３
との隙間に充填して接続している。2. Description of the Related Art Conventionally, underground conduits such as sewers are connected via a manhole. That is, FIG.
As shown in Fig. 3, the manhole A is generally formed by stacking concrete blocks 1 and 1 in the shape of a slice into the ground and connecting them, and forming a conduit in a connection hole 2 provided in the block 1 at the bottom thereof. Insert the end of the fume tube 3 and insert the caulking material 4 such as mortar into the hole 2 and the fume tube 3.
It is filled and connected in the gap between.
【０００３】[0003]
【発明が解決しようとする課題】ところで、地中に埋設
されるマンホールや管路では、地震や地盤沈下によって
あらゆる方向の外力を受けることになり、マンホールと
管路とは相対的に屈曲、伸縮や捩り作用が働くことにな
る。そのような場合、従来、マンホールと管路とは、上
記のように剛結合となっているため、作用する外力が少
し大きくなると、マンホールや管体自体或はそれらの接
続部分が損傷を受けたり破壊するおそれがある。However, manholes and pipelines buried in the ground are subject to external forces in all directions due to earthquakes and ground subsidence, and the manholes and pipelines are relatively bent and expanded. And the twisting action will work. In such a case, conventionally, the manhole and the pipe line are rigidly connected as described above, and therefore, when the external force acting on the manhole becomes a little large, the manhole and the pipe body or their connecting parts may be damaged. May be destroyed.
【０００４】本発明は、上記のような従来の問題点にか
んがみなされたもので、マンホールと管路との接続が、
屈曲、伸縮、捩れ等の荷重を吸収できるとともに、水密
性もよく連結も強固にできるようにした、マンホールと
管路との結合装置を提供しようとするものである。The present invention has been made in consideration of the above-mentioned conventional problems, and the connection between the manhole and the pipeline is
An object of the present invention is to provide a coupling device for a manhole and a conduit, which is capable of absorbing loads such as bending, expansion and contraction, twisting, etc., and also has good watertightness and strong connection.
【０００５】[0005]
【課題を解決するための手段】上記の目的を達成するた
めの本発明の構成について、実施例に対応する図面を参
照して説明すると、請求項１のマンホールと管路との結
合装置は、管路のヒューム管３及びこれと接続するマン
ホールＡに、それぞれ、外周に突条リング７，８を設け
た短尺管５ａ，５ｂを結合し、それら両ステンレス管５
ａ，５ｂの先端部どうしを挿嵌して接続するとともに、
該接続部の外側に、柔軟弾性体よりなる被覆筒11を嵌着
し、該被覆筒11の外側に、外周を軸方向の円錐状テーパ
面17とした、複数に分割してなる筒状分割リング15，15
を被着し、その外側に、内周を円錐状テーパ面19に形成
した締着リング18を嵌合して緊締したことを特徴とする
ものである。The structure of the present invention for achieving the above object will be described with reference to the drawings corresponding to the embodiments. The short pipes 5a and 5b provided with the ridge rings 7 and 8 on the outer periphery are respectively coupled to the fume pipe 3 of the pipe line and the manhole A connected to the fume pipe 3, and both of these stainless pipes 5 are connected.
While inserting and connecting the tips of a and 5b,
A cylindrical division formed by fitting a covering cylinder 11 made of a flexible elastic body on the outside of the connecting portion, and dividing the outside into an axial conical tapered surface 17 on the outside of the covering cylinder 11. Rings 15, 15
It is characterized in that a fastening ring 18 having an inner circumference formed in a conical tapered surface 19 is fitted and tightened on the outer side.
【０００６】また、請求項２のマンホールと管路との結
合装置は、請求項１の装置において、筒状分割リング1
5，15の円錐状テーパ面を、その軸方向の中央部から両
端へ互いに傾斜方向を反対とした２つのテーパ面17ａ，
17ｂに形成したことを特徴とするものである。Further, the connecting device for connecting the manhole and the pipe line according to claim 2 is the device according to claim 1, wherein the tubular split ring 1 is provided.
Two conical tapered surfaces 5 and 15 have two tapered surfaces 17a whose inclination directions are opposite to each other from the central portion in the axial direction to both ends.
It is characterized in that it is formed in 17b.
【０００７】[0007]
【作用】本発明の装置では、ヒューム管３を結合した継
管５ａと、マンホールＡのブロック１に結合した継管５
ｂとを入れ子式に重合して接続され、その外側に被覆筒
11と筒状分割リング15，15及び締着リングを嵌合して結
合される。In the apparatus of the present invention, the connecting pipe 5a having the fume pipe 3 connected thereto and the connecting pipe 5 having the block 1 of the manhole A connected thereto.
b and N are superposed in a nested manner and are connected, and a covering cylinder is provided on the outside
11 and the tubular split rings 15, 15 and the fastening ring are fitted and joined.
【０００８】この場合、被覆筒11は柔軟な弾性体である
ため、筒状分割リング15，15と締着リングによる締め付
けで継管５ａ，５ｂの外面に密接して水密性が保たれる
とともに、突条リング７，８との係合により、両ステン
レス管５ａ，５ｂはその軸線方向に対する移動がある程
度許容される状態で結合される。また、継管５ａ，５ｂ
の相互間に捩れや屈曲作用が生じても、被覆筒11の弾性
及び継管５ａ，５ｂ自体の弾性によって、それら外力を
吸収することができ、損壊の防止が図れる。In this case, since the covering cylinder 11 is a flexible elastic body, watertightness is maintained while being closely attached to the outer surfaces of the joint pipes 5a and 5b by tightening with the tubular split rings 15 and 15 and the tightening ring. By engaging with the ridge rings 7 and 8, the stainless steel pipes 5a and 5b are joined in a state in which the stainless pipes 5a and 5b are allowed to move in the axial direction to some extent. In addition, the connecting pipes 5a, 5b
Even if a twisting or bending action occurs between the two, the external force can be absorbed by the elasticity of the covering cylinder 11 and the elasticity of the joint pipes 5a and 5b themselves, and damage can be prevented.
【０００９】[0009]
【実施例】以下、本発明の実施例について図面を参照し
て説明する。図１〜図５は本発明の一実施例を示し、図
６〜図８は同他の実施例を示したものである。Embodiments of the present invention will be described below with reference to the drawings. 1 to 5 show an embodiment of the present invention, and FIGS. 6 to 8 show another embodiment.
【００１０】図１〜図５において、５ａ，５ｂは連結さ
れる一対の短尺、薄肉の継管で、ステンレス等の金属や
プラスチック或は硬質ゴムで形成されており、一方の継
管５ａは管路のヒューム管３の内径とほぼ同様の内径を
有し、その基端部にはヒューム管３の先端部を嵌入する
拡径の受口６が形成されており、長さ方向の中間部外周
には、所要の高さと幅を有する突条リング７が突設され
ている。また、他方の継管５ｂは一方の継管５ａの外側
に遊嵌できる内径を有する短尺の継管で、一方の継管５
ａと接続する先端部の外周には、所要の高さと幅を有す
る突条リング８が突設されている。1 to 5, reference numerals 5a and 5b denote a pair of short, thin-walled joint pipes that are connected to each other, and are made of metal such as stainless steel, plastic, or hard rubber, and one joint pipe 5a is a pipe. The inner diameter of the fume tube 3 is substantially the same as the inner diameter of the fume tube 3 of the passage, and an expanded diameter receiving port 6 into which the tip of the fume tube 3 is fitted is formed at the base end of the fume tube 3. A ridge ring 7 having a required height and width is provided on the ridge. The other joint pipe 5b is a short joint pipe having an inner diameter that allows loose fitting to the outside of the one joint pipe 5a.
A ridge ring 8 having a required height and width is provided on the outer periphery of the tip portion connected to a.
【００１１】一方の継管５ａはその受口６をヒューム管
３先端部に外嵌し、水膨張性のシール材９を介して水密
に結合されている。また、他方の継管５ｂはその基端部
がマンホールＡのブロック１の接続孔２に挿入され、モ
ルタル等のコーキング材４を介して結合されている。そ
して、両継管５ａ，５ｂは互いに先端部どうしを所要の
長さにわたり重ね合せて挿嵌され、その重ね合せ部分の
両管５ａ，５ｂ間にはシール材10が介装されている。One of the connecting pipes 5a has its receiving port 6 fitted onto the tip of the fume pipe 3 and is water-tightly coupled via a water-expandable sealing material 9. The other end of the connecting pipe 5b is inserted into the connection hole 2 of the block 1 of the manhole A, and is joined via a caulking material 4 such as mortar. The two joint pipes 5a and 5b are fitted with each other by overlapping the tip portions of each other over a required length, and a sealing material 10 is interposed between the two pipes 5a and 5b in the overlapping portion.
【００１２】11は、両継管５ａ，５ｂの嵌合部分の外側
に嵌着される被覆筒で、ゴム、プラスチック等の柔軟な
弾性及びシール性を有する材料で形成されており、その
内面には、両継管５ａ，５ｂの突条リング７，８と係合
される２条の環状溝12，12が周設されている。そして、
被覆筒11の両端外周には、面取りした斜断面13，13が形
成されている。Reference numeral 11 denotes a cover cylinder fitted outside the fitting parts of the two joint pipes 5a and 5b, which is made of a material having a flexible elasticity and a sealing property such as rubber or plastic, and has an inner surface on the inner surface thereof. Has two annular grooves 12, 12 engaged with the projecting ring 7, 8 of both joint pipes 5a, 5b. And
Chamfered inclined cross sections 13, 13 are formed on the outer circumference of both ends of the covering cylinder 11.
【００１３】また、15は、被覆筒11の外側に被着される
２個一対よりなる筒状分割リングで、被覆筒11より長く
形成され、その両端部内側には、上記斜断面13，13に外
接する内向き斜断面16，16が形成されている。そして、
筒状分割リング15，15の外面はその軸線方向に沿う円錐
状テーパ面17に形成されている。筒状分割リング15，15
の外側には筒状の締着リング18が嵌合、圧接される。こ
の締着リング17はその内面が上記テーパ面17に適合する
円錐状テーパ面19に形成されている。Reference numeral 15 is a cylindrical split ring consisting of a pair of two, which is attached to the outside of the covering cylinder 11, is formed longer than the covering cylinder 11, and has the above-mentioned oblique cross sections 13 and 13 inside both ends thereof. An inwardly inclined section 16 is formed that circumscribes the. And
The outer surfaces of the tubular split rings 15, 15 are formed as conical tapered surfaces 17 along the axial direction. Cylindrical split ring 15,15
A tubular fastening ring 18 is fitted and press-contacted to the outside of the. The inner surface of the fastening ring 17 is formed as a conical tapered surface 19 that fits the tapered surface 17.
【００１４】両継管５ａ，５ｂの結合にあたっては、あ
らかじめどちらか一方の継管５ａ（５ｂ）に被覆筒11及
び締着リング18を嵌合しておく。そして、両継管５ａ，
５ｂの先端部を互いに所要の深さに重ね合わせた後、そ
の部分の外側に被覆筒11をずらして被せ、被覆筒11の環
状溝12，12を継管５ａ，５ｂの突条リング７，８に係合
させる。次に、一対の筒状分割リング15，15を被覆筒11
の外側に被着し、さらにその外側に締着リング18を嵌合
して、その軸線方向に打撃等により移動させれば、それ
らのテーパ面17，19の作用で、筒状分割リング15，15は
その内面と内向き斜断面16，16で被覆筒11を包み込むよ
うにして圧着し、両継管５ａ，５ｂは弾性のある被覆筒
11を介し弾性的に結合されることになる。[0014] RyoTsugikan 5a, when binding 5b is previously fitted a cover tube 11 and the fastening ring 18 in advance either Tsugikan 5a (5b). And the double pipe 5a,
After the tip portions of 5b are overlapped with each other to a required depth, the covering cylinder 11 is shifted and covered on the outer side of the portion, and the annular grooves 12, 12 of the covering cylinder 11 are covered with the projecting ring 7 of the connecting pipes 5a, 5b. 8 is engaged. Next, the pair of tubular split rings 15 and 15 are covered with the covering tube 11
If the fastening ring 18 is fitted on the outer side of the cylindrical split ring 15, and the fastening ring 18 is fitted on the outer side thereof and moved in the axial direction by striking or the like, the action of the tapered surfaces 17, 19 causes the tubular split ring 15, 15 is the inner surface and the inwardly inclined section 16, 16 and is crimped so as to wrap the covering cylinder 11 and both joint pipes 5a, 5b are elastic covering cylinders.
It will be elastically coupled via 11.
【００１５】次に、本発明の他の実施例について図６〜
図８を参照して説明する。この実施例では、継管５ａ，
５ｂ及び被覆筒11についてはさきの実施例におけると同
様であるから、それらの説明は省略する。この実施例で
は、筒状分割リング15，15の外面が、その軸線方向の中
央部より各端部にかけて径小となるように、傾斜方向を
互いに反対としたテーパ面17ａ，17ｂに形成されてい
る。したがって、締着リングはそれら両テーパ面17ａ，
17ｂに適合するように一対の締着リング18ａ，18ｂより
なり、それぞれテーパ面17ａ，17ｂに対応するテーパ面
19ａ，19ｂが内面に形成されている。Next, another embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. In this embodiment, the connecting pipe 5a,
Since 5b and the covering cylinder 11 are the same as in the previous embodiment, their explanations are omitted. In this embodiment, the outer surfaces of the tubular split rings 15, 15 are formed on the tapered surfaces 17a, 17b whose inclination directions are opposite to each other so that the diameter becomes smaller from the central portion in the axial direction toward each end. There is. Therefore, the fastening ring has both tapered surfaces 17a,
A pair of tightening rings 18a and 18b to fit 17b, and taper surfaces corresponding to the taper surfaces 17a and 17b, respectively.
19a and 19b are formed on the inner surface.
【００１６】なお、上記各実施例においては、継管５
ａ，５ｂの突条リング７，８は各１個づつとなっている
が、それら突条リング７，８は複数間隔をおいて設ける
こともできる。また、被覆筒11は、環状溝12，12を設け
ず単なる筒体に形成してもよく、そうした場合でも、被
覆筒11は柔軟な弾性を有するので、両継管５ａ，５ｂの
接続部の外周及び凹凸によくなじんで密着できる。In each of the above embodiments, the connecting pipe 5
The ridge rings 7 and 8 of a and 5b are one each, but the ridge rings 7 and 8 can be provided at a plurality of intervals. Further, the covering cylinder 11 may be formed as a simple cylinder without providing the annular grooves 12, 12, and even in such a case, since the covering cylinder 11 has a flexible elasticity, the covering portion of the joint pipes 5a, 5b is not connected. It fits well to the outer circumference and unevenness and can adhere closely.
【００１７】[0017]
【発明の効果】以上説明したように、本発明は、マンホ
ールと管路のヒューム管とを、一対の薄肉の継管の重ね
合せの結合により接続し、それら継管どうしを柔軟な弾
性体の被覆筒の外嵌と筒状分割リングと締着リングによ
る締付けにより弾性的に結合するようにしたので、地震
や地盤沈下等によって、マンホールとヒューム管の相互
間に、屈曲や捩れ或はヒューム管の軸方向に対するずれ
等の外力が作用した場合に、それら外力による変形、移
動にある程度追随して外力を吸収し、マンホールやヒュ
ーム管自体及びその結合部の損壊が防がれるようにな
る。As described above, according to the present invention, the manhole and the fume pipe of the conduit are connected by superposing a pair of thin-walled joint pipes, and the joint pipes are connected by a flexible elastic body. Since it is elastically coupled by the external fitting of the covering cylinder and the tightening of the tubular split ring and the tightening ring, due to earthquakes or ground subsidence, bending or twisting or fume pipe between the manhole and the Hume pipe When an external force such as a shift with respect to the axial direction is applied, the external force is absorbed to some extent by following the deformation and movement due to the external force, and damage to the manhole, the fume tube itself and the joint portion thereof can be prevented.
【００１８】また、両継管の結合部分や継管自体が損壊
した場合でも、それらを取替えて結合し直すことで復元
することが容易にでき、しかも、構造は簡単で水密性に
優れコストも安価である。Further, even if the joint portion of the two joint pipes or the joint pipe itself is damaged, it can be easily restored by replacing them and recombining them. Moreover, the structure is simple, the watertightness is excellent, and the cost is also low. It is cheap.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の一実施例を示す半部切載縦断面図であ
る。FIG. 1 is a vertical cross-sectional view of a half-section according to an embodiment of the present invention.
【図２】同連結する継管の要部を示す半部切載縦断面図
である。FIG. 2 is a half-section vertical sectional view showing a main part of the connecting pipes connected to each other.
【図３】同被覆筒の半部切載縦断面図である。FIG. 3 is a half-section vertical sectional view of the same covering cylinder.
【図４】同筒状分割リングの一部切欠縦断面図である。FIG. 4 is a partially cutaway vertical sectional view of the tubular split ring.
【図５】同締着リングの半部切載縦断面図である。FIG. 5 is a half-section vertical sectional view of the fastening ring.
【図６】本発明の他の実施例を示す半部切載縦断面図で
ある。FIG. 6 is a vertical cross-sectional view of a half-section according to another embodiment of the present invention.
【図７】同筒状分割リングの一部切欠縦断面図である。FIG. 7 is a partially cutaway vertical sectional view of the tubular split ring.
【図８】同締着リングの半部切載縦断面図である。FIG. 8 is a vertical cross-sectional view of a half portion of the fastening ring.
【図９】従来のマンホールとヒューム管との結合構造を
示す縦断面図である。FIG. 9 is a vertical sectional view showing a conventional joint structure of a manhole and a fume tube.
【符号の説明】 Ａ マンホール １ ブロック ２ 孔 ３ ヒューム管 ４ コーキング材 ５ａ，５ｂ 継管 ６ 受口 ７，８ 突条リング ９，10 シール材 11 被覆筒 12 環状溝 13 斜断面 15 筒状分割リング 16 内向き斜断面 17 テーパ面 18，18ａ，18ｂ 締着リング 19，19ａ，19ｂ テーパ面[Explanation of symbols] A manhole 1 block 2 holes 3 fume tube 4 caulking material 5a, 5b splice tube 6 socket 7,8 ridge ring 9,10 sealing material 11 coating cylinder 12 annular groove 13 oblique section 15 tubular split ring 16 Inward oblique section 17 Tapered surface 18, 18a, 18b Tightening ring 19, 19a, 19b Tapered surface
Claims (2)
ンホールに、それぞれ、外周に突条リングを設けた短
尺、薄肉の継管を結合し、それら両ステンレス管の先端
部どうしを挿嵌して接続するとともに、該接続部の外側
に、柔軟弾性体よりなる被覆筒を嵌着し、該被覆筒の外
側に、外周を軸方向の円錐状テーパ面とした、複数に分
割してなる筒状分割リングを被着し、その外側に、内周
を円錐状テーパ面に形成した締着リングを嵌合して緊締
したことを特徴とする、マンホールと管路との結合装
置。1. A short and thin joint pipe provided with a ridge ring on the outer periphery is respectively connected to a fume pipe of a pipe line and a manhole connected to the fume pipe, and the tip portions of the both stainless pipes are inserted and fitted to each other. And a connecting cylinder, and a covering cylinder made of a flexible elastic body is fitted to the outside of the connecting portion, and the outside of the covering cylinder is divided into a plurality of parts with a conical tapered surface in the axial direction. A device for coupling a manhole and a pipe, wherein a split ring is attached to the outer surface of which a fastening ring having a conical tapered surface on the inner periphery is fitted and tightened.
の軸方向の中央部から両端へ互いに傾斜方向を反対とし
た２つのテーパ面に形成したことを特徴とする、請求項
１記載のマンホールと管路との結合装置。2. The conical taper surface of the tubular split ring is formed into two taper surfaces having opposite inclination directions from the central portion in the axial direction to both ends. A device for connecting a manhole and a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11132995A JP3612363B2 (en) | 1995-04-12 | 1995-04-12 | Manhole and pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11132995A JP3612363B2 (en) | 1995-04-12 | 1995-04-12 | Manhole and pipe connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08284188A true JPH08284188A (en) | 1996-10-29 |
| JP3612363B2 JP3612363B2 (en) | 2005-01-19 |
Family
ID=14558456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11132995A Expired - Fee Related JP3612363B2 (en) | 1995-04-12 | 1995-04-12 | Manhole and pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3612363B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424552A (en) * | 2020-04-08 | 2020-07-17 | 山东交通学院 | Continuous section corrugated pipe connecting device for continuous T-beam bridge pier top and using method |
-
1995
- 1995-04-12 JP JP11132995A patent/JP3612363B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424552A (en) * | 2020-04-08 | 2020-07-17 | 山东交通学院 | Continuous section corrugated pipe connecting device for continuous T-beam bridge pier top and using method |
| CN111424552B (en) * | 2020-04-08 | 2021-11-23 | 山东交通学院 | Continuous section corrugated pipe connecting device for continuous T-beam bridge pier top and using method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3612363B2 (en) | 2005-01-19 |
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