JP2001065756A - Separation preventive multi-joints - Google Patents
Separation preventive multi-jointsInfo
- Publication number
- JP2001065756A JP2001065756A JP23622299A JP23622299A JP2001065756A JP 2001065756 A JP2001065756 A JP 2001065756A JP 23622299 A JP23622299 A JP 23622299A JP 23622299 A JP23622299 A JP 23622299A JP 2001065756 A JP2001065756 A JP 2001065756A
- Authority
- JP
- Japan
- Prior art keywords
- ring
- pipe
- flange
- tapered
- flanges
- 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.)
- Pending
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
- F16L21/00—Joints with sleeve or socket
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、離脱防止型マル
チジョイントに関し、詳しくは同径又は異形の管同志を
離脱しないよう水密かつ確実に接続できる管継手に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detachable multi-joint, and more particularly to a pipe joint capable of connecting water-tight and surely so that pipes having the same diameter or different shapes are not separated.
【０００２】[0002]
【従来の技術】従来、径の異なる管Ａ、Ｂ同志を接続す
る場合、図４の(a) に示すようにそれぞれの管Ａ、Ｂの
管径に合致する受口Ｃ、Ｄを短管の両端に形成した管継
手Ｐ１又は同図(b) に示すように短管の両端に口径を異
ならせて挿口Ｅ、Ｆを設けた挿口管Ｐ２あるいは同図
(c) に示すように一方が受口Ｃ他方が挿口Ｅなどとされ
た異径管継手Ｐ３を用いて管を接続することが行われて
いた。2. Description of the Related Art Conventionally, when connecting tubes A and B having different diameters, as shown in FIG. 4 (a), receiving ports C and D corresponding to the diameters of the respective tubes A and B are connected to short pipes. A pipe fitting P1 formed at both ends of the short pipe or an insertion pipe P2 provided with insertion ports E and F with different diameters at both ends of the short pipe as shown in FIG.
As shown in (c), a pipe was connected using a different-diameter pipe joint P3 having one as a receiving port C and the other as an insertion port E.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
管継手により異径管を接続する場合、それぞれ接続すべ
き管径を予め把握した上で管継手を用意する必要があ
り、接続作業に先立って準備等が面倒となる欠点があっ
た。さらに、通常これら管は埋設配管とされるので、長
期間埋設されたままの管路に対して新規分岐管路を設け
たり延長管路を設ける場合、目的とする管を掘り起こさ
ないと具体的な管径が判らない場合もあり、このような
場合は予め想定される管種に応じて幾種類もの異径管継
手を予め用意しなければならないなど、施工に際して管
継手の管理や施工に非常に手間取る問題もあった。However, when connecting different-diameter pipes using the above-mentioned pipe joints, it is necessary to prepare pipe joints after previously grasping the pipe diameters to be connected. There was a drawback that preparation and the like were troublesome. In addition, since these pipes are usually buried pipes, when a new branch pipe or an extension pipe is provided for a pipe that has been buried for a long period of time, it is necessary to dig up the target pipe. The pipe diameter may not be known.In such a case, various types of pipe fittings of different diameters must be prepared in advance according to the pipe type assumed in advance. There was also a problem that took time.
【０００４】この発明は上記問題点を解消することを目
的としてなされたものであって、異径管を接続する場
合、一種類の管継手で幾種類かの径の異なる管を接続す
ることができ、しかも離脱防止も確実に行える管継手を
得ることを目的としてなされたものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and when connecting different diameter pipes, it is possible to connect several different diameter pipes with one kind of pipe joint. An object of the present invention is to provide a pipe joint which can be surely prevented from being detached.
【０００５】[0005]
【課題を解決するための手段】即ち、この発明の離脱防
止型マルチジョイントは、両端がテーパ状に拡径され、
その開口端にフランジが形成された接続用短管と、前記
フランジと対向しボルトにより相互に締結されるフラン
ジを有し、該フランジ内径部一側面から前記接続用短管
のテーパ状拡径部方向へ延びる押し輪部及び前記フラン
ジ内径部他側面から前記押し輪部と反対方向へ伸びかつ
内面が前記テーパ状拡径部に対し逆テーパ面に形成され
た締め付け部を有した押し輪と、該押し輪の前記逆テー
パ面部に挿入される内面歯付離脱防止リングとからなる
ことを特徴とするものである。In other words, the detachable multi-joint of the present invention has both ends tapered in diameter,
A short pipe for connection having a flange formed at its open end, and a flange opposed to the flange and mutually fastened by bolts, and a tapered enlarged portion of the short pipe for connection from one side of the inner diameter of the flange. A push ring having a fastening portion formed in a direction opposite to the push ring portion from the other side surface of the press ring portion and the flange inner diameter portion extending in the direction and having an inner surface formed in an inverse taper surface with respect to the tapered enlarged portion, An inner toothed detachment prevention ring inserted into the reverse tapered surface portion of the push ring is characterized in that it is provided.
【０００６】即ち、離脱防止型マルチジョイントの接続
用短管の両端にはテーパ状拡径部が形成されているた
め、この拡径部内面とその中に挿通される管との間に嵌
入されるだけの厚さのシール用ゴム輪があれば、このゴ
ム輪を押し輪によって押入固定することにより両管は接
続される。また、接続すべき管を受容する短管の開口部
はテーパ状とされているので、このテーパ面が延在する
範囲の管径であれば任意の径の管が接続できる。That is, since the tapered enlarged portions are formed at both ends of the connecting short tube of the detachable multi-joint, it is inserted between the inner surface of the enlarged portion and the pipe inserted therein. If there is a sealing rubber ring having a sufficient thickness, the two rings are connected by pushing and fixing the rubber ring with a pressing ring. Further, since the opening of the short pipe for receiving the pipe to be connected is tapered, a pipe of any diameter can be connected as long as the pipe diameter is within a range in which the tapered surface extends.
【０００７】[0007]
【発明の実施の形態】次に、この発明の実施の形態を説
明する。図１はこの発明の一実施の形態の断面図であ
る。離脱防止型マルチジョイント１は両端２Ａ、２Ａが
テーパ状に拡径され、その開口端にフランジ２Ｂ、２Ｂ
が形成された接続用短管２と、前記フランジ２Ｂ、２Ｂ
と対向し、ボルト１０により相互に締結されるフランジ
３Ｂ、３Ｂを有し、該フランジ３Ｂ、３Ｂ内径部一側面
から前記接続用短管２のテーパ状拡径部２Ａ方向へ延び
る押し輪部３Ａ及び前記フランジ内径部他側面から前記
押し輪部３Ａと反対方向へ伸びかつ内面が前記テーパ状
拡径部２Ａに対し逆テーパ面に形成された締め付け部３
Ｃを有した押し輪３と、該押し輪３の前記逆テーパ面部
３Ｄに挿入される内面歯付離脱防止リング４とから構成
されている。Next, an embodiment of the present invention will be described. FIG. 1 is a sectional view of an embodiment of the present invention. The detachable multi-joint 1 has both ends 2A and 2A whose diameters are increased in a tapered shape, and flanges 2B and 2B
And the flanges 2B, 2B
And a pressing ring portion 3A extending in the direction of the tapered enlarged portion 2A of the connecting short pipe 2 from one side surface of the inner diameter portion of the flanges 3B, 3B. A fastening portion 3 extending from the other side surface of the inner diameter portion of the flange in a direction opposite to the pressing ring portion 3A and having an inner surface formed as an inversely tapered surface with respect to the tapered enlarged portion 2A.
The push ring 3 has a C, and a detachable ring 4 with an internal tooth is inserted into the reverse tapered surface 3D of the push ring 3.
【０００８】上記において、内面歯付離脱防止リング４
は逆テーパ面３Ｄに沿って縮径可能なように割り４Ｂの
入れられた割りリング体とされ、その内面には図２に拡
大して示すように軸方向断面鋸歯状をなす凹凸４Ａが設
けられている。この凹凸４Ａは、抜け出し防止用として
機能するように設けたものである。また図中５はテーパ
状拡径部２Ａ内面と挿入される管外壁との間に挿入され
るシール用ゴム輪を示し、必要に応じ管径に合わせて用
意されるフロントカバーリング６及びバックカバーリン
グ７に挟まれて配置される。[0008] In the above, the detachment prevention ring 4 with internal teeth
Is a split ring body in which a split 4B is inserted so that the diameter can be reduced along the reverse tapered surface 3D. As shown in an enlarged view in FIG. Have been. The unevenness 4A is provided so as to function for preventing slipping out. In the figure, reference numeral 5 denotes a sealing rubber ring inserted between the inner surface of the tapered enlarged portion 2A and the outer wall of the inserted tube, and a front cover ring 6 and a back cover prepared according to the tube diameter as required. It is arranged between the rings 7.
【０００９】次にこの発明の離脱防止型マルチジョイン
ト１により異径管を接続する作業を説明する。離脱防止
リング４を締め付け部３Ｃに予め挿入した押し輪３を一
方の管８に外嵌し、次いでシール用ゴム輪５あるいは必
要に応じてバックカバーリング７とシール用ゴム輪５と
フロントカバーリング６をこの順で配置し、接続用短管
２を外嵌する。Next, the operation of connecting different-diameter pipes using the detachable multijoint 1 of the present invention will be described. The push ring 3 in which the detachment preventing ring 4 is inserted in advance into the tightening portion 3C is externally fitted to one of the tubes 8, and then the sealing rubber ring 5 or, if necessary, the back cover ring 7, the sealing rubber ring 5, and the front cover ring. 6 are arranged in this order, and the connection short pipe 2 is fitted to the outside.
【００１０】次いで、接続用短管２のフランジ２Ｂと押
し輪３のフランジ３Ｂとの間にボルトナット１０を架け
渡し締結する。このボルトナット１０の緊締により押し
輪３と接続用短管２と間は引き寄せられて接近するが、
このとき、シール用ゴム輪５は接続用短管２のテーパ部
内面と一方の接続管８との間の奥方へと押圧されるので
テーパ面２Ａで径方向へも圧縮され、この内面と一方の
管８外面との間をシールする。Next, a bolt and nut 10 is bridged and fastened between the flange 2B of the connecting short pipe 2 and the flange 3B of the push ring 3. By the tightening of the bolt and nut 10, the pressing wheel 3 and the connecting short pipe 2 are drawn closer to each other,
At this time, since the sealing rubber ring 5 is pressed to the back between the inner surface of the tapered portion of the connecting short pipe 2 and one of the connecting pipes 8, the sealing rubber ring 5 is also compressed in the radial direction by the tapered surface 2 </ b> A. And the outer surface of the tube 8 is sealed.
【００１１】一方、押し輪３の逆テーパ面部３Ｄ内に挿
入された内面歯付離脱防止リング４は、逆テーパ面によ
り一方の管８外面へ向け圧縮され、これによって内面の
凹凸歯４Ａを管外面に食い込ませ、押し輪３が一方の管
８の管端方向へ移動するのを阻止する。従って、これに
より一方の管８外面に接続用短管２がシールされた状態
で固定される。On the other hand, the detachment preventing ring 4 with the internal teeth inserted into the reverse tapered surface portion 3D of the press ring 3 is compressed toward the outer surface of one of the tubes 8 by the reverse tapered surface. The push ring 3 is cut into the outer surface to prevent the push ring 3 from moving toward the end of the one tube 8. Accordingly, the connecting short pipe 2 is fixed to the outer surface of the one pipe 8 in a sealed state.
【００１２】次に、離脱防止リング４を締め付け部３Ｃ
に予め挿入した押し輪３を他方の管９に外嵌し、次いで
シール用ゴム輪５あるいは必要に応じてバックカバーリ
ング７とシール用ゴム輪５とフロントカバーリング６と
をこの順で配置し、この他方の管９の管端を接続用短管
２に挿入する。挿入後は前記と同様にボルトナット１０
を押し輪３と接続用短管２のフランジ２Ａに架け渡し緊
締すれば接続用短管２と他方の管１０との間がシールさ
れかつ抜け出し防止が図られる。Next, the separation prevention ring 4 is fastened to the fastening portion 3C.
The press ring 3 inserted in advance is fitted to the other pipe 9 and then the sealing rubber ring 5 or, if necessary, the back cover ring 7, the sealing rubber ring 5, and the front cover ring 6 are arranged in this order. Then, the tube end of the other tube 9 is inserted into the short tube 2 for connection. After insertion, bolt nut 10
Is tightly spanned over the press ring 3 and the flange 2A of the short pipe 2 for connection, the space between the short pipe 2 for connection and the other pipe 10 is sealed, and escape is prevented.
【００１３】このとき、接続すべき管８、９の外面をシ
ールするゴム輪５は接続用短管２のテーパ面２Ａと管８
又は９との間で圧縮されるので、接続用短管２の内面と
接続すべき管８、９との間の隙間がシール用ゴム輪５の
厚さを超えない限り適用可能となる。なお、フロントカ
バーリング７は、接続用短管２の内面と接続すべき管
８、９との間の隙間からシール用ゴム輪５が圧縮により
内方へ抜け出すのを防止するためのものであるから、前
記隙間が大きくなる場合は使用することが望ましい。At this time, the rubber ring 5 for sealing the outer surfaces of the pipes 8 and 9 to be connected is connected to the tapered surface 2A of the connecting short pipe 2 by the pipe 8
Or 9, and is applicable as long as the gap between the inner surface of the connecting short pipe 2 and the pipes 8 and 9 to be connected does not exceed the thickness of the sealing rubber ring 5. The front cover ring 7 is for preventing the sealing rubber ring 5 from coming out inward by compression from the gap between the inner surface of the connecting short pipe 2 and the pipes 8 and 9 to be connected. Therefore, it is desirable to use when the gap becomes large.
【００１４】同様にバックカバーリング６はシール用ゴ
ム輪５全体に均一に圧縮力を伝えるものであるから、押
し輪部３Ａの径とシール用ゴム輪５の径とが相違し、圧
縮力が均一に加わらない場合は使用することが望まし
い。上記において、接続すべき管種としては鋳鉄管、鋼
管、アルミ軽合金製管などの金属管の他、塩化ビニル
管、ポリエチレン管などのプラスチック管であっても適
用可能であり、また、一方が金属管、他方がプラスチッ
ク管のような異種材質管であっても接続できる。Similarly, since the back cover ring 6 transmits the compressive force uniformly to the entire rubber ring 5 for sealing, the diameter of the pressing ring portion 3A is different from the diameter of the rubber ring 5 for sealing, and the compressive force is reduced. If they do not add uniformly, it is desirable to use them. In the above, as a pipe type to be connected, in addition to a metal pipe such as a cast iron pipe, a steel pipe, and an aluminum light alloy pipe, a plastic pipe such as a vinyl chloride pipe and a polyethylene pipe can be applied. Connection can be made even if the pipe is made of a different material such as a metal pipe and the other is a plastic pipe.
【００１５】[0015]
【発明の効果】以上説明したように、この発明の離脱防
止型マルチジョイントによれば、短管内に納まる径の管
であれば任意径の管の接続ができ、管種に応じて異径管
継手を格別に用意する必要がなく、分岐接続や延長接続
の管路施工が容易となる効果を有する。As described above, according to the detachable multi-joint of the present invention, any diameter pipe can be connected as long as it fits within the short pipe, and different diameter pipes can be connected according to the pipe type. There is no need to specially prepare a joint, and this has an effect of facilitating the construction of a branch connection or an extension connection.
【００１６】また、接続された管は離脱防止リングによ
って抜け出しが防止されるため、高圧管に対しても適用
でき汎用製もあるなどの効果を有する。Further, since the connected tube is prevented from coming off by the detachment prevention ring, it can be applied to a high-pressure tube, and has an effect that it is made for general use.
【図１】この発明の実施の一形態を示す断面図である。FIG. 1 is a sectional view showing an embodiment of the present invention.
【図２】この発明の実施の一形態の要部拡大断面図であ
る。FIG. 2 is an enlarged sectional view of a main part of one embodiment of the present invention.
【図３】この発明の離脱防止リングの正面図である。FIG. 3 is a front view of the separation prevention ring of the present invention.
【図４】従来例の説明概念図である。FIG. 4 is an explanatory conceptual diagram of a conventional example.
１…離脱防止型マルチジョイント ２…接続用短管 ２Ａ…両端（テーパ状拡径部） ２Ｂ…フランジ ３…押し輪 ３Ａ…押し輪部 ３Ｂ…フランジ ３Ｃ…締め付け部 ３Ｄ…逆テーパ面部 ４…離脱防止リング ４Ａ…凹凸 ４Ｂ…割り ５…シール用ゴム輪 ６…フロントカバーリング ７…バックカバーリング ８…一方の管 ９…他方の管 １０…ボルトナット DESCRIPTION OF SYMBOLS 1 ... Detachment prevention type multi joint 2 ... Connection short pipe 2A ... Both ends (taper-shaped enlarged part) 2B ... Flange 3 ... Press ring 3A ... Press ring part 3B ... Flange 3C ... Tightening part 3D ... Reverse taper surface part 4 ... Detachment Prevention ring 4A ... unevenness 4B ... split 5 ... rubber ring for sealing 6 ... front cover ring 7 ... back cover ring 8 ... one tube 9 ... the other tube 10 ... bolt nut
Claims (1)
フランジが形成された接続用短管と、前記フランジと対
向しボルトにより相互に締結されるフランジを有し、該
フランジ内径部一側面から前記接続用短管のテーパ状拡
径部方向へ延びる押し輪部及び前記フランジ内径部他側
面から前記押し輪部と反対方向へ伸びかつ内面が前記テ
ーパ状拡径部に対し逆テーパ面に形成された締め付け部
を有した押し輪と、該押し輪の前記逆テーパ面部に挿入
される内面歯付離脱防止リングとからなることを特徴と
する離脱防止型マルチジョイント。1. A connecting short pipe having a tapered shape at both ends and a flange formed at an open end thereof, and a flange opposed to said flange and mutually fastened by bolts. A press ring portion extending from one side in the direction of the tapered enlarged portion of the connecting short pipe and the inner diameter portion of the flange extend from the other side in a direction opposite to the press ring portion, and the inner surface is inversely tapered with respect to the tapered enlarged portion. A detachable multi-joint, comprising: a push ring having a fastening portion formed on a surface thereof; and an inner toothed detachment preventing ring inserted into the reverse tapered surface portion of the push ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23622299A JP2001065756A (en) | 1999-08-24 | 1999-08-24 | Separation preventive multi-joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23622299A JP2001065756A (en) | 1999-08-24 | 1999-08-24 | Separation preventive multi-joints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001065756A true JP2001065756A (en) | 2001-03-16 |
Family
ID=16997603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23622299A Pending JP2001065756A (en) | 1999-08-24 | 1999-08-24 | Separation preventive multi-joints |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001065756A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005321079A (en) * | 2004-05-11 | 2005-11-17 | Hitachi Metals Ltd | Exchange joint |
| JP2008267785A (en) * | 2007-04-24 | 2008-11-06 | Samsung Electronics Co Ltd | Pipe connecting socket and air conditioner equipped with the same |
-
1999
- 1999-08-24 JP JP23622299A patent/JP2001065756A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005321079A (en) * | 2004-05-11 | 2005-11-17 | Hitachi Metals Ltd | Exchange joint |
| JP2008267785A (en) * | 2007-04-24 | 2008-11-06 | Samsung Electronics Co Ltd | Pipe connecting socket and air conditioner equipped with the same |
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