JP2769111B2 - Joints used for connecting manholes and conduits, and crimping jigs therefor - Google Patents
Joints used for connecting manholes and conduits, and crimping jigs thereforInfo
- Publication number
- JP2769111B2 JP2769111B2 JP6177568A JP17756894A JP2769111B2 JP 2769111 B2 JP2769111 B2 JP 2769111B2 JP 6177568 A JP6177568 A JP 6177568A JP 17756894 A JP17756894 A JP 17756894A JP 2769111 B2 JP2769111 B2 JP 2769111B2
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- packing
- support ring
- conduit
- joint
- 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
- Sewage (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は下水道用の導管とマンホ
−ル等をマンホ−ルの口部を介して接続するのに際し、
水密性を保持し、また、両者の一方又は双方が沈下、上
昇した場合にも水密性を失わない継手に関するものであ
る。また本発明は、パッキングをマンホ−ル等の口部に
固定する際に用いる圧着治具に関するものである。BACKGROUND OF THE INVENTION The present invention relates to a method for connecting a sewer pipe to a manhole or the like through an opening of the manhole.
The present invention relates to a joint that maintains watertightness and does not lose watertightness when one or both of them sinks or rises. The present invention also relates to a crimping jig used for fixing the packing to a mouth portion of a manhole or the like.
【０００２】[0002]
【従来の技術】従来から存するこの種の継手には、図５
に示すようなブ−ツジョイントと称するものがあり、こ
れは導管２に結合される部分からマンホ−ル等の口部３
に接合される部分に向けて拡開する形状の継手であり、
マンホ−ルの口部３に取り付けるに際し金属性の特殊構
造のバンドを用いるものである。2. Description of the Related Art Conventionally, this type of joint has a structure shown in FIG.
There is a boot joint as shown in FIG. 1, which is connected to the conduit 2 through a mouth 3 such as a manhole.
A joint that expands toward the part to be joined to the
A metal band having a special structure is used to attach it to the mouth 3 of the manhole.
【０００３】また、図６に示すものは、大きなつば部１
７を有するもので、このつば部１７をマンホ−ル等の壁
面１８に接着剤を介して接着するものである。FIG. 6 shows a large brim 1
The flange 17 is bonded to a wall surface 18 such as a manhole via an adhesive.
【０００４】[0004]
【発明が解決しようとする課題】前述したブ−ツジョイ
ントは、大きな可撓性を有する利点はあるが、導管の外
径形と、マンホ−ル等の口部の内径に大きな差ができる
ため、継手のマンホ−ルの口部への固定に際し、特殊な
構造の金属バンドを用い、その取付けには特殊ジャッキ
を必要とし、現場での施工が困難な欠点があり、他方の
つば部を有する継手は、接着剤を用いるため、その結合
に時間が掛かる欠点があり、また、剥離するおそれも存
するものである。The above-mentioned boot joint has the advantage of great flexibility, but has a large difference between the outer diameter of the conduit and the inner diameter of the mouth of a manhole or the like. When fixing the joint to the mouth of the manhole, a metal band with a special structure is used, a special jack is required for its attachment, and there is a drawback that construction on the site is difficult, and it has the other brim Since the joint uses an adhesive, it has a disadvantage that it takes a long time to join the joints, and there is a possibility that the joints may be peeled off.
【０００５】本発明は、従来から存する前記の構造の継
手の持つ水密性、可撓性を有し、しかも、現場での施工
が簡単な継手を得ようとするものである。An object of the present invention is to provide a joint which has the watertightness and flexibility of a conventional joint having the above-mentioned structure and which can be easily installed on site.
【０００６】[0006]
【課題を解決するための手段】本発明は同心円状に重合
している内筒と外筒の両者が一方の端部で結合している
ゴム又は合成樹脂のパッキングと、該パッキングの内筒
と外筒の間に挿入される切欠部を有する支持リングとか
ら成り、この支持リングを拡開することにより、パッキ
ングの外筒がマンホ−ル等の口部に固定されるものであ
り、その固定に際しては、支持リングの切欠部を拡開
し、その切欠部にくさび片を挿入することにより確実に
かつ簡単に行えるものである。SUMMARY OF THE INVENTION The present invention relates to a packing made of rubber or synthetic resin in which both an inner cylinder and an outer cylinder which are concentrically overlapped are joined at one end, and an inner cylinder of the packing. A support ring having a notch inserted between the outer cylinders, and by expanding the support ring, the outer cylinder of the packing is fixed to an opening of a manhole or the like. At this time, the notch portion of the support ring is expanded and a wedge piece is inserted into the notch portion, so that it can be surely and easily performed.
【０００７】また、その支持リングの拡開には一方の部
材１３のねじ部１４が他方の部材１３に挿入されて結合
している２つの部材１３，１３と、その部材の各々に存
する外方に傾斜した脚部１６，１６とから成り、前記ね
じ部１４に螺合したナット１５を廻すことにより、一対
の脚部が左右方向に移動する圧着治具を用いるものであ
る。In order to expand the support ring, two members 13, 13 in which the screw portion 14 of one member 13 is inserted into and connected to the other member 13, and the outer portions existing in each of the members are provided. A crimping jig in which a pair of legs is moved in the left-right direction by turning a nut 15 screwed to the screw portion 14 is used.
【０００８】[0008]
【実施例】図１において、１はコンクリ−ト製のマンホ
−ルであり、この実施例では複数個の部分を結合してお
り、導管２を結合するための口部３が存する。In FIG. 1, reference numeral 1 denotes a concrete manhole. In this embodiment, a plurality of parts are connected, and a mouth 3 for connecting a conduit 2 exists.
【０００９】本発明の継手は、図２に示すように、同心
円状の内筒４と外筒５とから成り、内筒４は導管２の外
径より僅かに大きい内径を有し、外筒５はマンホ−ル１
の口部３の内径よりも少し小さい外径を有し、内筒４と
外筒５は一方の端部、即ちマンホ−ルの口部３に挿入さ
れる端部６で結合されており、ゴムまたは合成樹脂で一
体に成型されるものである。As shown in FIG. 2, the joint according to the present invention comprises a concentric inner cylinder 4 and an outer cylinder 5, the inner cylinder 4 having an inner diameter slightly larger than the outer diameter of the conduit 2, 5 is manhole 1
The inner cylinder 4 and the outer cylinder 5 are connected at one end, that is, at an end 6 inserted into the mouth 3 of the manhole. It is molded integrally with rubber or synthetic resin.
【００１０】７は支持リングであり、硬質の合成樹脂ま
たは金属から成る帯状のリングであり、切欠部８を有
し、その切欠部８に近い両端部９，９には小孔１０，１
０が設けられている。なお、この支持リングは、外筒５
の内側に設けた溝に嵌め込まれていることが望ましい。Reference numeral 7 denotes a support ring, which is a band-like ring made of a hard synthetic resin or metal, has a notch 8, and small holes 10, 1 are provided at both ends 9, 9 near the notch 8.
0 is provided. In addition, this support ring is used for the outer cylinder 5.
It is desirable to be fitted in a groove provided inside the.
【００１１】なお図中１１は外筒５の外側に設けた複数
本の突状であって。マンホ−ル１の口部３と外筒５の水
密性を高めるものであり、内筒４の内側にはストッパ−
が設けてあり、これは導管２の位置を決めるためのもの
である。In the drawing, reference numeral 11 denotes a plurality of projections provided outside the outer cylinder 5. The watertightness of the mouth portion 3 of the manhole 1 and the outer cylinder 5 is improved, and a stopper is provided inside the inner cylinder 4.
Is provided for determining the position of the conduit 2.
【００１２】圧着治具１２は図４に示す通り、２つの部
材１３，１３の一方の部材のねじ部１４が他方の部材１
３にねじ込まれており、ねじ部１４にはナット１５が螺
合している。部材１３，１３には各々脚部１６が存し、
この脚部１６，１６は左右方向に傾斜して設けられてお
り、その先端は、前記支持リング７の小孔１０に嵌合す
るものである。As shown in FIG. 4, the crimping jig 12 is such that the threaded portion 14 of one of the two members 13
3 and a nut 15 is screwed into the screw portion 14. Each member 13 has a leg 16,
The legs 16, 16 are provided so as to be inclined in the left-right direction, and the ends thereof are fitted into the small holes 10 of the support ring 7.
【００１３】本発明の継手は、まず、マンホ−ルの口部
３に結合端部６から外筒５を挿入し、その挿入状態のま
ま内筒４をマンホ−ルの内側に向けて押し開き、支持リ
ング７を露出する状態とする。次いで、露出している支
持リング７の両端部に存する小孔１０，１０に圧着治具
１２の２つの部材１３，１３の脚部１６，１６の先端を
挿入し、ねじ部１４のナット１５を右方の部材１３の方
向に押圧すれば、一対の脚部１６，１６は拡開し、支持
リング７も開いてパッキングの外筒５を拡げ、マンホ−
ルの口部３に圧着する。そして、この時、間隔の開いた
切欠部８の間に予め用意された所定の幅のくさび片１７
を挿入し、固定作業を完了する。そして再び内筒４をマ
ンホ−ルの外側に向けて引き戻した後、導管２を内筒４
に挿入し、内筒４を外周から締付バンドで導管２に固定
するものである。In the joint of the present invention, first, the outer cylinder 5 is inserted into the mouth 3 of the manhole from the coupling end 6, and the inner cylinder 4 is pushed and opened toward the inside of the manhole in the inserted state. And the support ring 7 is exposed. Next, the tips of the legs 16, 16 of the two members 13, 13 of the crimping jig 12 are inserted into the small holes 10, 10 existing at both ends of the exposed support ring 7, and the nut 15 of the screw portion 14 is attached. When pressed in the direction of the right member 13, the pair of legs 16, 16 is expanded, the support ring 7 is also opened, and the outer cylinder 5 of the packing is expanded.
And crimped to the mouth 3 of the screw. At this time, a wedge piece 17 having a predetermined width prepared in advance between the notches 8 with a large gap is provided.
Insert and complete the fixing work. After the inner cylinder 4 is pulled back toward the outside of the manhole again, the conduit 2 is connected to the inner cylinder 4.
, And the inner cylinder 4 is fixed to the conduit 2 from the outer periphery with a tightening band.
【００１４】[0014]
【発明の効果】本発明は以上のような構造より成るの
で、内筒４と外筒５が同心円状に設けられており、その
端部６が結合しているので、導管２とマンホ−ルの口部
３の位置に少しのずれが生じても、その水密性を保持す
ることができると共に、その取付作業が、内筒４と外筒
５の間に挿入されている支持リング７を拡開することに
より行えるので、極めて簡単である。Since the present invention has the above-mentioned structure, the inner cylinder 4 and the outer cylinder 5 are provided concentrically and their end portions 6 are connected, so that the conduit 2 and the manhole are connected. Even if the position of the mouth portion 3 slightly shifts, the watertightness can be maintained, and the mounting work expands the support ring 7 inserted between the inner cylinder 4 and the outer cylinder 5. It is very simple because it can be opened.
【００１５】また、圧着治具１２も２つの部材１３，１
３の各々に存する脚部１６の先端を支持リング７の小孔
１０に挿入し、ねじ部１４のナット１５を廻すのみの構
造であるため、支持リング７の拡開、および外筒５のマ
ンホ−ルの口部３への圧着が簡単な工具で行うことがで
きるものである。The crimping jig 12 also includes two members 13, 1
3 is inserted into the small hole 10 of the support ring 7 and the nut 15 of the screw part 14 is simply turned, so that the support ring 7 is expanded and the man The crimping of the screw to the mouth 3 can be performed with a simple tool.
【図１】一部を切欠して示す全体の斜視図FIG. 1 is an overall perspective view showing a partially cutaway view.
【図２】本発明の継手を導管とマンホ−ルに用いた状態
の断面図FIG. 2 is a sectional view showing a state where the joint of the present invention is used for a conduit and a manhole.
【図３】支持リングの一切を切欠して示す正面図FIG. 3 is a front view of the support ring with all parts cut away.
【図４】圧着治具の正面図FIG. 4 is a front view of a crimping jig.
【図５】従来品の断面図FIG. 5 is a sectional view of a conventional product.
【図６】他の従来品の断面図FIG. 6 is a sectional view of another conventional product.
１ マンホ−ル ２ 導管 ３ 口部 ４ 内筒 ５ 外筒 ７ 支持リング １０ 小孔 １２ 圧着治具 １３ 部材 １４ ねじ部 １５ ナット １６ 脚部 １７ くさび片 DESCRIPTION OF SYMBOLS 1 Manhole 2 Conduit 3 Mouth 4 Inner cylinder 5 Outer cylinder 7 Support ring 10 Small hole 12 Crimping jig 13 Member 14 Screw part 15 Nut 16 Leg part 17 Wedge piece
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小屋原 壮三 群馬県邑楽郡明和村大字川俣538番地 株式会社大成内 (56)参考文献 実開 平７−28293（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) E03F 5/02 E02D 29/12 E03F 5/10────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Sozo Koyahara 538 Kawamata, Meiwa-mura, Euraku-gun, Gunma Pref. Field (Int.Cl. 6 , DB name) E03F 5/02 E02D 29/12 E03F 5/10
Claims (3)
の端部で結合されているゴム又は合成樹脂のパッキング
と、該パッキングの内筒４と外筒５の間に挿入される切
欠部を有する支持リング７とから成り、該支持リング７
を拡開することによりパッキングの外筒５がマンホ−ル
等の口部３に固定されることを特徴とするマンホ−ルと
導管の接続などに用いる継手。1. A packing made of rubber or synthetic resin in which both concentric inner and outer cylinders 4 and 5 are joined at one end, and inserted between the inner and outer cylinders 4 and 5 of the packing. And a support ring 7 having a notch formed therein.
A joint used for connection between a manhole and a conduit, wherein the outer cylinder 5 of the packing is fixed to the opening 3 such as a manhole by expanding the opening.
材１３に挿入されて結合している２つの部材１３，１３
と、その部材の各々に存する外方に傾斜した脚部１６，
１６とから成り、前記ねじ部１４に螺合したナット１５
を廻すことにより、一対の脚部が左右方向に移動するこ
とを特徴とするマンホ−ルと導管等の接続に用いる継手
の圧着治具。2. The two members 13, 13 in which the screw portion 14 of one member 13 is inserted into and connected to the other member 13.
And outwardly sloping legs 16, 16 present in each of its members
And a nut 15 screwed into the screw portion 14.
A jig for joints used for connecting a manhole to a conduit or the like, wherein a pair of legs are moved in the left-right direction by turning.
入されている切欠部８を有する支持リング７を拡開し、
その切欠部８にくさび片１７を挟持させることにより、
パッキングをマンホ−ル等の口部に固定することを特徴
とする請求項１記載のマンホ−ルと導管の接続等に用い
る継手。3. Expanding a support ring 7 having a notch 8 inserted between the inner cylinder 4 and the outer cylinder 5 of the packing,
By holding the wedge piece 17 in the notch 8,
2. The joint according to claim 1, wherein the packing is fixed to an opening of the manhole or the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6177568A JP2769111B2 (en) | 1994-07-06 | 1994-07-06 | Joints used for connecting manholes and conduits, and crimping jigs therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6177568A JP2769111B2 (en) | 1994-07-06 | 1994-07-06 | Joints used for connecting manholes and conduits, and crimping jigs therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0820996A JPH0820996A (en) | 1996-01-23 |
| JP2769111B2 true JP2769111B2 (en) | 1998-06-25 |
Family
ID=16033249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6177568A Expired - Fee Related JP2769111B2 (en) | 1994-07-06 | 1994-07-06 | Joints used for connecting manholes and conduits, and crimping jigs therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2769111B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6805359B2 (en) | 2002-10-25 | 2004-10-19 | Press-Seal Gasket Corporation | Expansion ring assembly |
| US7146689B2 (en) | 2002-10-25 | 2006-12-12 | Press-Seal Gasket Corporation | Expansion ring assembly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4493483B2 (en) * | 2004-11-29 | 2010-06-30 | 早川ゴム株式会社 | Expansion band and connection structure of flexible joint for manhole |
| KR101386663B1 (en) * | 2013-08-26 | 2014-04-17 | 조인트유창써멀시스템 주식회사 | The slip joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0728293U (en) * | 1993-10-26 | 1995-05-23 | 共和ゴム株式会社 | Branch pipe connection structure |
-
1994
- 1994-07-06 JP JP6177568A patent/JP2769111B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6805359B2 (en) | 2002-10-25 | 2004-10-19 | Press-Seal Gasket Corporation | Expansion ring assembly |
| US7146689B2 (en) | 2002-10-25 | 2006-12-12 | Press-Seal Gasket Corporation | Expansion ring assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0820996A (en) | 1996-01-23 |
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