JP3147263B2 - Reinforcement ring - Google Patents
Reinforcement ringInfo
- Publication number
- JP3147263B2 JP3147263B2 JP08015593A JP8015593A JP3147263B2 JP 3147263 B2 JP3147263 B2 JP 3147263B2 JP 08015593 A JP08015593 A JP 08015593A JP 8015593 A JP8015593 A JP 8015593A JP 3147263 B2 JP3147263 B2 JP 3147263B2
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- wedge member
- pipe
- tube
- reinforcing ring
- 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
- Joints With Sleeves (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Description
【産業上の利用分野】本発明は、可撓性の管体の変形を
防止するための補強リングに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reinforcing ring for preventing deformation of a flexible tube.
【従来の技術】従来、例えば塩化ビニル製の可撓性の管
体は、土中に埋設された場合、しばしば土圧によって偏
平に変形することがあった。このような変形は、管体の
寿命を短縮するだけでなく、移送流体に対して過大な抵
抗を及ぼしていた。また、図３に示すように、可撓性の
塩化ビニル管１００と、非可撓性の鋳鉄管１０１を結合
する際には、一般に鋼鉄製の管継手１０２が使用され
る。このような配管１００、１０１及び管継手１０２を
土中に埋設した場合、可撓性の塩化ビニル管１００のみ
が土圧Ｆによって変形するために、この変形量が管継手
１０２のスリーブ１０３内のゴム輪１０４の圧縮代以上
になると、管継手１０２から移送流体の漏れが発生して
しまう。2. Description of the Related Art Conventionally, when a flexible pipe made of, for example, vinyl chloride is buried in soil, it often deforms flat due to earth pressure. Such deformation not only shortens the life of the tube, but also exerts excessive resistance on the transfer fluid. As shown in FIG. 3, when connecting a flexible vinyl chloride pipe 100 and a non-flexible cast iron pipe 101, a steel pipe joint 102 is generally used. When such pipes 100 and 101 and the pipe joint 102 are buried in the soil, only the flexible polyvinyl chloride pipe 100 is deformed by the earth pressure F. If the compression allowance of the rubber ring 104 is exceeded, the transfer fluid leaks from the pipe joint 102.
【発明が解決しようとする課題】本発明は、このような
問題点に着目してなされたもので、可撓性の管体の剛性
を付加的に向上させて、管体の寿命を延長するととも
に、移送流体の円滑な流通を保証し、さらには管継手に
おける漏洩を防止することを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and additionally increases the rigidity of a flexible tube to extend the life of the tube. In addition, the object is to ensure smooth flow of the transfer fluid and to prevent leakage at the pipe joint.
【課題を解決するための手段】上記目的を達成するため
に、本発明の補強リングは、補強すべき管体の外周面に
周方向に所定の間隔を置いて複数個配列される楔部材に
対して、押圧板を管体軸線方向に沿って締付け手段によ
って締め付けることによって可撓性の管体を補強する補
強リングであって、前記楔部材は、管体に接触するその
各楔部材の内側面が、前記管体の外形に相応してそれぞ
れ円弧状になっており、かつ各楔部材の基部側に楔面が
形成されるようにその横断面がほぼＬ字状になってお
り、また前記押圧板は、前記楔部材の楔面と係合してこ
の楔部材を半径方向内側へ押し込む押圧開口が形成され
た１枚の平板であることを特徴としている。In order to achieve the above object, a reinforcing ring according to the present invention comprises a plurality of wedge members arranged on a peripheral surface of a pipe to be reinforced at predetermined intervals in a circumferential direction.
On the other hand, the pressing plate is tightened along the axial direction of the pipe by the fastening means.
To reinforce the flexible tube by tightening
A strong ring, wherein the wedge member contacts the tubular body.
The inner surface of each wedge member corresponds to the outer shape of the tubular body.
And a wedge surface on the base side of each wedge member.
Its cross section is almost L-shaped as it is formed.
The pressing plate is engaged with a wedge surface of the wedge member.
A pressing opening is formed to push the wedge member radially inward.
It is characterized by being a single flat plate .
【作用】締付け手段によって、押圧板を楔部材に対して
管体の軸線方向に沿って締め付けると、一枚の平板であ
る押圧板の押圧開口によって楔部材が半径方向内側へ押
し込まれるので、各楔部材は、管体を全周に亘って均等
に半径方向に圧縮する。これによって、補強リングの近
傍において管体の剛性は付加的に増大するので、管体
は、もはや土圧程度の外圧によって変形することはな
い。When the pressing plate is fastened to the wedge member along the axial direction of the tube by the fastening means, a single flat plate is obtained.
Since the wedge members are pushed inward in the radial direction by the pressing openings of the pressing plate, each wedge member compresses the tube uniformly in the radial direction over the entire circumference. As a result, the stiffness of the tube in the vicinity of the reinforcing ring is additionally increased, so that the tube is no longer deformed by external pressures on the order of earth pressure.
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図１において、可撓性の塩化ビニル管１と非可撓
性の鋳鉄管２、又は塩化ビニル管１と塩化ビニル管１
は、鋼鉄製の管継手３によって結合されている。この場
合、管継手３は、主な構成要素として、例えば鋼鉄製の
スリーブ４及びフランジ５、６、柔軟なゴム輪７、並び
に締付け用のボルト８及びナット９を有している。本発
明の補強リング１０は、例えば、可撓性の塩化ビニル管
１の管継手３近傍に取り付けられる。この補強リング１
０は、図２に特に明瞭に示すように、補強すべき管体
（可撓性の塩化ビニル管１）の外周面に周方向に所定の
間隔を置いて配列される複数の楔部材１１と、楔部材１
１の外側の楔面１２に係合して、楔部材１１を半径方向
内側へ押し込む押圧開口１３を備えた１枚の平板押圧板
１４と、押圧板１４を楔部材１１に対して管体の軸線方
向に沿って締め付けるボルト１５及びナット１６によっ
て構成されている。この場合、楔部材１１の管体と接触
する内側面１７は、管体の外形に相応して円弧状に形成
されていて、楔部材１１の横断面は、ほぼＬ字状に形成
されている。つまり、押圧板１４の押圧開口１３と係合
する楔面１２は、楔部材１１の基部側に設けられてお
り、また、楔部材１１の半径方向に延びる鍔部側には、
ボルト１５を挿通するための通孔１８を有する突起１９
が付設されている。押圧板１４にも、同様に、ボルト１
５を挿通するための通孔２０が形成されている。ただ
し、この通孔２０は、押圧開口１３に楔面１２を介して
係合する楔部材１１の半径方向の移動を許容するため
に、ボルト１５の直径よりも大きな半径方向長さを有し
ている。このような補強リング１０を、図１に示すよう
に、管継手３近傍の可撓性の塩化ビニル管１に配置した
後、ボルト１５及びナット１６を締め込むと、押圧板１
４は、楔部材１１に対して軸線方向に締め付けられ、押
圧板１４の押圧開口１３は、楔部材１１の楔面１２に圧
接して、楔部材１１を半径方向内側へ押し込む。したが
って、塩化ビニル管１の周囲に配列された個々の楔部材
１１は、管壁を均等に圧縮し、その結果、可撓性の塩化
ビニル管１の剛性は、部分的に増大する。それゆえ、増
大した剛性を有する可撓性の塩化ビニル管１の管継手３
近傍の部分は、土中に埋設した状態でももはや土圧によ
って変形することはないので、管継手３から漏れが生ず
ることはない。勿論、本発明の補強リング１０は、管継
手３とは無関係に単独で使用することも可能である。要
は、可撓性の管体の意図せざる変形を防止するために、
管体の所望の位置にその都度適当数の補強リング１０を
取り付ければよいのである。Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, a flexible PVC pipe 1 and a non-flexible cast iron pipe 2 or a PVC pipe 1 and a vinyl chloride pipe 1
Are connected by a steel pipe joint 3. In this case, the pipe joint 3 has, as main components, a sleeve 4 and flanges 5 and 6 made of, for example, steel, a flexible rubber ring 7, and bolts 8 and nuts 9 for tightening. The reinforcing ring 10 of the present invention is attached, for example, near the pipe joint 3 of the flexible vinyl chloride pipe 1. This reinforcing ring 1
2, a plurality of wedge members 11 arranged at predetermined circumferential intervals on the outer peripheral surface of the pipe (flexible vinyl chloride pipe 1) to be reinforced, as clearly shown in FIG. , Wedge member 1
One flat plate pressing plate 14 having a pressing opening 13 that engages the outer wedge surface 12 and presses the wedge member 11 inward in the radial direction; It is constituted by a bolt 15 and a nut 16 which are tightened along the axial direction. In this case, the inner surface 17 of the wedge member 11 that contacts the tube is formed in an arc shape corresponding to the outer shape of the tube, and the cross section of the wedge member 11 is formed substantially in an L shape. . That is, the wedge surface 12 that engages with the pressing opening 13 of the pressing plate 14 is provided on the base side of the wedge member 11, and the wedge member 11 has a flange portion that extends in the radial direction of the wedge member 11.
A projection 19 having a through hole 18 for inserting the bolt 15
Is attached. Similarly, the bolt 1
5 is formed. However, the through hole 20 has a radial length greater than the diameter of the bolt 15 to allow the wedge member 11 engaging with the pressing opening 13 via the wedge surface 12 to move in the radial direction. I have. After placing such a reinforcing ring 10 on the flexible polyvinyl chloride pipe 1 near the pipe joint 3 as shown in FIG. 1, when the bolt 15 and the nut 16 are tightened, the pressing plate 1
4 is tightened in the axial direction with respect to the wedge member 11, and the pressing opening 13 of the pressing plate 14 is pressed against the wedge surface 12 of the wedge member 11 to push the wedge member 11 radially inward. Therefore, the individual wedge members 11 arranged around the PVC pipe 1 compress the pipe wall evenly, so that the rigidity of the flexible PVC pipe 1 is partially increased. Therefore, the fitting 3 of the flexible PVC pipe 1 with increased rigidity
Since the nearby portion is no longer deformed by the earth pressure even when buried in the soil, no leakage occurs from the pipe joint 3. Of course, the reinforcing ring 10 of the present invention can be used alone irrespective of the pipe joint 3. In short, to prevent unintended deformation of the flexible tube,
The appropriate number of reinforcing rings 10 may be attached to the desired position of the tube each time.
【発明の効果】本発明によれば、可撓性の管体の任意の
箇所の変形を防止することができるので、可撓性の管体
の寿命を延長するだけでなく、移送流体の円滑な流れを
保証することができる。また、管継手近傍に本発明の補
強リングを取り付けた場合には、管継手からの漏れを防
ぐことができる。According to the present invention, deformation of an arbitrary portion of the flexible tube can be prevented, so that not only the life of the flexible tube is extended but also the smoothness of the transfer fluid can be improved. Flow can be guaranteed. When the reinforcing ring of the present invention is attached near the pipe joint, leakage from the pipe joint can be prevented.
【図１】管継手近傍に取り付けられた本発明の補強リン
グの実施例の断面図である。FIG. 1 is a sectional view of an embodiment of a reinforcing ring of the present invention mounted near a pipe joint.
【図２】同実施例の斜視図である。FIG. 2 is a perspective view of the embodiment.
【図３】従来技術の管継手近傍の断面図である。FIG. 3 is a sectional view showing the vicinity of a conventional pipe joint.
１ 可撓性の管体 ２ 非可撓性の管体 ３ 管継手 ４ スリーブ ５ フランジ ６ フランジ ７ ゴム輪 ８ ボルト ９ ナット １０ 補強リング １１ 楔部材 １２ 楔面 １３ 押圧開口 １４ 押圧板 １５ ボルト １６ ナット １７ 内側面 １８ 通孔 １９ 突起 ２０ 通孔 DESCRIPTION OF SYMBOLS 1 Flexible pipe 2 Non-flexible pipe 3 Pipe joint 4 Sleeve 5 Flange 6 Flange 7 Rubber ring 8 Bolt 9 Nut 10 Reinforcement ring 11 Wedge member 12 Wedge surface 13 Press opening 14 Press plate 15 Bolt 16 Nut 17 inner surface 18 through hole 19 projection 20 through hole
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭54−53318（ＪＰ，Ａ) 実開 昭63−40687（ＪＰ，Ｕ) 実開 昭63−40686（ＪＰ，Ｕ) 実開 平３−59586（ＪＰ，Ｕ) 実開 昭55−68775（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) F16L 21/08 F16L 1/024 F16L 55/00 F16L 57/00 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-54-53318 (JP, A) JP-A-63-40687 (JP, U) JP-A-63-40686 (JP, U) 59586 (JP, U) Actually open 55-68775 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) F16L 21/08 F16L 1/024 F16L 55/00 F16L 57/00
Claims (2)
の間隔を置いて複数個配列される楔部材に対して、押圧
板を管体軸線方向に沿って締付け手段によって締め付け
ることによって可撓性の管体を補強する補強リングであ
って、 前記楔部材は、管体に接触するその各楔部材の内側面
が、前記管体の外形に相応してそれぞれ円弧状になって
おり、かつ各楔部材の基部側に楔面が形成されるように
その横断面がほぼＬ字状になっており、また前記押圧板
は、前記楔部材の楔面と係合してこの楔部材を半径方向
内側へ押し込む押圧開口が形成された１枚の平板である
ことを特徴とする補強リング。 1. A plurality of wedge members arranged on a peripheral surface of a pipe to be reinforced at predetermined intervals in a circumferential direction are pressed.
The plate is tightened along the axial direction of the tube by the tightening means.
This is a reinforcing ring that reinforces the flexible tube by
Thus, the wedge members are in contact with the inner surface of each wedge member in contact with the tube.
However, each has an arc shape corresponding to the outer shape of the tubular body.
So that a wedge surface is formed on the base side of each wedge member.
The cross section is substantially L-shaped, and the pressing plate
Engages the wedge surface of the wedge member to move the wedge member in the radial direction.
It is a single flat plate with a pressing opening for pushing inward.
A reinforcing ring, characterized in that:
貫通するボルトと、それに螺合するナットを備えている
請求項１に記載の補強リング。2. The reinforcing ring according to claim 1 , further comprising a bolt penetrating the pressing plate and the wedge member and a nut screwed to the bolt as the fastening means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08015593A JP3147263B2 (en) | 1993-03-15 | 1993-03-15 | Reinforcement ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08015593A JP3147263B2 (en) | 1993-03-15 | 1993-03-15 | Reinforcement ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06265061A JPH06265061A (en) | 1994-09-20 |
| JP3147263B2 true JP3147263B2 (en) | 2001-03-19 |
Family
ID=13710417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08015593A Expired - Fee Related JP3147263B2 (en) | 1993-03-15 | 1993-03-15 | Reinforcement ring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3147263B2 (en) |
-
1993
- 1993-03-15 JP JP08015593A patent/JP3147263B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06265061A (en) | 1994-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4101226B2 (en) | Pipe fitting device for pressure drainage | |
| US7108289B1 (en) | Restraining gasket for mechanical joints of pipes | |
| CA1037078A (en) | Compression coupling | |
| US3341232A (en) | Pipe joint | |
| US4203190A (en) | Method for connecting sewer pipes to manholes | |
| JPH11311379A (en) | Reinforcing metal fitting | |
| GB2167145A (en) | Pipe couplings | |
| JP3147263B2 (en) | Reinforcement ring | |
| JP3052987B2 (en) | Joint structure | |
| EP0472379B1 (en) | Pipe couplings | |
| JP2001032978A (en) | Pipe joint structure | |
| JPH054632Y2 (en) | ||
| JP4638798B2 (en) | Detachment prevention structure for pipe joints and method for strengthening prevention of detachment of pipe joints | |
| EP0913619A1 (en) | Connecting structure between a profiled main pipe and a branch pipe | |
| JP3479354B2 (en) | Pipe connection structure | |
| JP3280841B2 (en) | Pipe fittings | |
| JP4370219B2 (en) | Flexible fitting packing | |
| JP3251444B2 (en) | Branch pipe reinforcement | |
| JP3278578B2 (en) | Seismic pipe joint and connecting ring using this seismic pipe joint | |
| JP3135228B2 (en) | Pipe fittings | |
| JPH0564592U (en) | Pipe joint structure | |
| JP2020067137A (en) | Insulation joint structure | |
| JP2756953B2 (en) | Branch pipe fitting | |
| JP3939100B2 (en) | Earthquake resistant joints and earthquake resistant pipelines | |
| JP2829373B2 (en) | Pipe inner surface leakage prevention tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |