JP2003148672A - Connecting tool for water conduit pipe of synthetic resin - Google Patents

Connecting tool for water conduit pipe of synthetic resin

Info

Publication number
JP2003148672A
JP2003148672A JP2001345205A JP2001345205A JP2003148672A JP 2003148672 A JP2003148672 A JP 2003148672A JP 2001345205 A JP2001345205 A JP 2001345205A JP 2001345205 A JP2001345205 A JP 2001345205A JP 2003148672 A JP2003148672 A JP 2003148672A
Authority
JP
Japan
Prior art keywords
water pipe
connector
synthetic resin
insertion tube
rotation preventing
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
Application number
JP2001345205A
Other languages
Japanese (ja)
Inventor
Shigeyuki Goto
茂之 後藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mirai Industry Co Ltd
Original Assignee
Mirai Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mirai Industry Co Ltd filed Critical Mirai Industry Co Ltd
Priority to JP2001345205A priority Critical patent/JP2003148672A/en
Publication of JP2003148672A publication Critical patent/JP2003148672A/en
Pending legal-status Critical Current

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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
    • F16L33/225—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts a sleeve being movable axially

Abstract

PROBLEM TO BE SOLVED: To provide a connecting tool for a water conduit pipe made of synthetic resin which prevents water from leaking at the connection part of the pipe. SOLUTION: The connecting tool 2 is composed of a tool body 3 and a moving sleeve 4, wherein the tool body 3 is equipped with an inserting cylinder 3a, which is fitted on the connecting end 1a of the water conduit pipe 1 made of synthetic resin in such a way as inserted into the connecting end 1a. The moving sleeve 4 is fitted on the water conduit pipe 1, moves toward the connecting end 1a fitted in the inserting cylinder 3a, and holds it pinchedly together with the cylinder 3a. The tool body 3 is furnished with a rotation preventing part 3b to prevent the pipe 1 from rotating. The rotation preventing part 3b bites into the connecting end 1a pushed forward in the moving direction from its forefront in association with movement of the moving sleeve 4.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】この発明は、合成樹脂製の通
水管を接続するための接続具に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting a synthetic resin water pipe.

【０００２】[0002]

【従来の技術】従来、合成樹脂製の通水管を接続するた
めの接続具として、例えば特開２０００−２３８４号公
報に示される接続具があった。かかる接続具１１は、図
８に示されるように、接続具本体１２と移動スリーブ１
３とで構成されていた。そして、この接続具１１に通水
管１４を接続するには、接続具本体１２に設けられた筒
部１２ａを、通水管１４の接続端部１４ａ内に挿入させ
た後、予め通水管１４の外周に嵌められた移動スリーブ
１３を、接続端部１４ａ側に強制的に移動させた。こう
して、通水管１４は、筒部１２ａと移動スリーブ１３と
で挟持されて、この接続具１１に接続された。2. Description of the Related Art Conventionally, as a connector for connecting a synthetic resin water pipe, there has been a connector disclosed in, for example, Japanese Patent Laid-Open No. 2000-2384. As shown in FIG. 8, the connector 11 includes a connector body 12 and a moving sleeve 1.
It was composed of 3 and 3. Then, in order to connect the water conduit 14 to the connector 11, after inserting the tubular portion 12a provided in the connector body 12 into the connection end 14a of the water conduit 14, the outer periphery of the water conduit 14 in advance. The moving sleeve 13 fitted in the above was forcibly moved to the connection end portion 14a side. In this way, the water pipe 14 was sandwiched between the tubular portion 12a and the moving sleeve 13 and connected to the connector 11.

【０００３】[0003]

【発明が解決しようとする課題】ところで、前記従来の
接続具１１にあっては、通水管１４は、径方向に強固に
圧せられて、抜脱不能となっていたが、通水管１４に周
方向の力が強く作用すると、その通水管１４が接続具本
体１２に対して回動してしまうことがあった。そして、
かかる回動が繰り返されると、通水管１４と筒部１２ａ
との間に緩みが生じてその間から漏水する虞があった。By the way, in the above-mentioned conventional connecting tool 11, the water pipe 14 is firmly pressed in the radial direction and cannot be pulled out. If the force in the circumferential direction is strong, the water pipe 14 may rotate with respect to the connector main body 12. And
When such rotation is repeated, the water pipe 14 and the cylindrical portion 12a
There was a risk of loosening between the and and water leakage between them.

【０００４】この発明は、上記した従来の欠点を解決す
るためになされたものであり、その目的とするところ
は、通水管の接続による漏水を防止することができる、
合成樹脂製通水管の接続具を提供することにある。The present invention has been made in order to solve the above-mentioned conventional drawbacks, and an object thereof is to prevent water leakage due to connection of water pipes.
An object is to provide a connector for a synthetic resin water pipe.

【０００５】[0005]

【課題を解決するための手段】この発明に係る合成樹脂
製通水管の接続具は、前記目的を達成するために、次の
構成からなる。すなわち、請求項１に記載の発明に係る
合成樹脂製通水管の接続具は、合成樹脂製の通水管を接
続するための接続具であって、接続具本体と移動スリー
ブとからなる。ここで、前記接続具本体は、前記通水管
の接続端部内に挿入されるようにしてその接続端部と嵌
合する挿入筒部を備える。また、前記移動スリーブは、
前記通水管の外周に嵌められ、その通水管の、前記挿入
筒部と嵌合している前記接続端部側に移動して、前記接
続端部を前記挿入筒部とで挟持するスリーブである。そ
して、前記接続具本体には、前記移動スリーブの移動に
伴って、その移動方向に押し進められた前記接続端部に
その先端側から食い込んで、前記通水管の回動を防止す
る回動防止部が設けられている。In order to achieve the above-mentioned object, a connecting tool for a synthetic resin water pipe according to the present invention has the following constitution. That is, the connector for a synthetic resin water pipe according to the first aspect of the present invention is a connector for connecting a synthetic resin water pipe, and includes a connector body and a moving sleeve. Here, the connection tool main body includes an insertion tube portion that is inserted into the connection end portion of the water pipe to be fitted into the connection end portion. In addition, the moving sleeve,
A sleeve that is fitted to the outer periphery of the water pipe, moves to the side of the connection end of the water pipe that is fitted to the insertion tube, and holds the connection end with the insertion tube. . Then, in the connector main body, a rotation preventing portion that prevents the water pipe from rotating by biting the connection end pushed in the moving direction from the tip side of the connecting sleeve as the moving sleeve moves. Is provided.

【０００６】そこで、この接続具に通水管を接続するに
は、始めに、移動スリーブを通水管の外周に嵌める。そ
して、接続具本体の挿入筒部を、通水管の接続端部内に
挿入することで、挿入筒部と接続端部とを嵌合させる。
その後、移動スリー部を、通水管の、挿入筒部と嵌合し
ている接続端部側に移動させて、接続端部を、移動スリ
ーブと挿入筒部とで挟持する。このとき、接続具本体に
は回動防止部が設けられており、移動スリーブの移動に
伴って、回動防止部が、移動スリーブの移動方向に押し
進められた接続端部にその先端側から食い込む。こうし
て、接続端部の先端側から食い込んだ回動防止部によっ
て、挿入筒部に対する通水管の回動が防止される。Therefore, in order to connect the water pipe to the connecting tool, first, the moving sleeve is fitted to the outer periphery of the water pipe. Then, the insertion tube portion of the connector main body is inserted into the connection end portion of the water pipe to fit the insertion tube portion and the connection end portion.
After that, the moving three part is moved to the side of the connecting end of the water pipe that is fitted to the insertion tube, and the connecting end is sandwiched between the moving sleeve and the insertion tube. At this time, the connector body is provided with a rotation preventing portion, and the rotation preventing portion cuts into the connection end portion pushed forward in the moving direction of the moving sleeve from the tip side thereof as the moving sleeve moves. . In this way, the rotation prevention part that bites from the tip end side of the connection end prevents the water pipe from rotating with respect to the insertion tube.

【０００７】また、請求項２に記載の発明に係る合成樹
脂製通水管の接続具のように、請求項１に記載の接続具
において、前記回動防止部は、前記挿入筒部の周方向の
適宜位置に、その挿入筒部から突出して形成されてもよ
い。このように、回動防止部が、挿入筒部の周方向の適
宜位置に、その挿入筒部から突出して形成されること
で、回動防止部は、接続端部に確実に食い込み、挿入筒
部に対する通水管の回動が確実に防止される。Further, like the connector for a synthetic resin water pipe according to the invention described in claim 2, in the connector according to claim 1, the rotation preventing portion is provided in a circumferential direction of the insertion tube portion. May be formed at an appropriate position by protruding from the insertion tube portion. In this way, the rotation preventing portion is formed at an appropriate position in the circumferential direction of the insertion tube portion so as to project from the insertion tube portion, so that the rotation prevention portion surely bites into the connection end portion, and the insertion tube portion is securely inserted. Rotation of the water pipe with respect to the portion is reliably prevented.

【０００８】また、請求項３に記載の発明に係る合成樹
脂製通水管の接続具のように、請求項２に記載の接続具
において、前記回動防止部は、複数設けられ、それら回
動防止部は、前記挿入筒部の周方向に適宜間隔をおいて
配置されてもよい。こうして、回動防止部が複数設けら
れることで、挿入筒部に対する通水管の回動が一層確実
に防止される。[0008] Further, like the connector of the synthetic resin water pipe according to the invention of claim 3, in the connector of claim 2, a plurality of the rotation preventing portions are provided, and the rotation preventing portions are provided. The prevention portion may be arranged at appropriate intervals in the circumferential direction of the insertion tube portion. By thus providing a plurality of rotation preventing portions, the water pipe can be more reliably prevented from rotating with respect to the insertion tube portion.

【０００９】また、請求項４に記載の発明に係る合成樹
脂製通水管の接続具のように、請求項２または３に記載
の接続具において、前記移動スリーブの移動に伴って押
し出されて、前記回動防止部を挟む周方向の各側の空間
部内に導かれた、前記接続端部の先端部は、この接続具
の外側から目視可能となっていてもよい。こうして、回
動防止部を挟む周方向の各側の空間部内に導かれた、接
続端部の先端部が、この接続具の外側から目視されて、
通水管の接続状態が確認される。Further, like the connector of the synthetic resin water pipe according to the invention of claim 4, in the connector of claim 2 or 3, the connector is pushed out as the movable sleeve moves, The tip of the connection end, which is guided into the space on each side in the circumferential direction that sandwiches the rotation prevention portion, may be visible from the outside of the connector. In this way, the tip end of the connection end, which is guided into the space on each side in the circumferential direction sandwiching the rotation prevention part, is visually observed from the outside of the connector,
The connection of the water pipe is confirmed.

【００１０】また、請求項５に記載の発明に係る合成樹
脂製通水管の接続具のように、請求項１ないし４のいず
れか１項に記載の接続具において、前記回動防止部は、
前記挿入筒部と嵌合している前記接続端部側に移動した
前記移動スリーブが、当接してその移動が止められる、
ストッパーとなっていてもよい。このように、移動スリ
ーブが、挿入筒部と嵌合している接続端部側に移動する
と、その移動スリーブは、ストッパーとなる回動防止部
に当接する。こうして、移動スリーブがストッパーとな
る回動防止部に当接してその移動が止められたところ
で、この接続具への通水管の接続が完了する。Further, in the connector according to any one of claims 1 to 4, like the connector for a synthetic resin water pipe according to the invention described in claim 5, in the connector according to any one of claims 1 to 4,
The moving sleeve that has moved to the connection end portion side that is fitted with the insertion tube portion abuts and its movement is stopped.
It may be a stopper. In this way, when the moving sleeve moves to the side of the connecting end that is fitted with the insertion tube portion, the moving sleeve comes into contact with the rotation preventing portion that serves as a stopper. In this way, when the moving sleeve comes into contact with the rotation preventing portion serving as the stopper and its movement is stopped, the connection of the water pipe to the connecting tool is completed.

【００１１】[0011]

【発明の実施の形態】以下、この発明に係る合成樹脂製
通水管の接続具の実施の形態を図面に基づいて説明す
る。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a connector for a synthetic resin water pipe according to the present invention will be described below with reference to the drawings.

【００１２】図１ないし図５は、本発明に係る合成樹脂
製通水管の接続具の、一実施の形態を示す。図中符号１
は、合成樹脂製の通水管であって、例えば架橋ポリエチ
レン樹脂等の合成樹脂からなる。２は、通水管１を接続
するための接続具であって、接続具本体３と移動スリー
ブ４とからなっている。1 to 5 show an embodiment of a connector for a synthetic resin water pipe according to the present invention. Reference numeral 1 in the figure
Is a water pipe made of synthetic resin and made of synthetic resin such as cross-linked polyethylene resin. Reference numeral 2 denotes a connector for connecting the water pipe 1, which is composed of a connector body 3 and a moving sleeve 4.

【００１３】ここで、接続具本体３は、例えば、通水管
１よりも硬質の材料となる、ポリスルホン樹脂等の合成
樹脂からなり、全体が筒状に形成されている。この接続
具本体３は、一方端側に、通水管１の接続端部１ａ内に
挿入されるようにしてその接続端部１ａと嵌合する挿入
筒部３ａを備えている。そして、この挿入筒部３ａに
は、通水管１の抜けを防ぐために、リング状の突条Ｔ、
Ｔが形成されている。また、接続具本体３には、後に詳
述する移動スリーブ４の移動に伴って、その移動方向に
押し進められた前記接続端部１ａにその先端側から食い
込んで、通水管１の回動を防止する回動防止部３ｂが設
けられている。この回動防止部３ｂは、挿入筒部３ａの
基端部分であって、その挿入筒部３ａの周方向の適宜位
置に、その挿入筒部３ａから突出して形成されている。
さらに、この回動防止部３ｂは、複数（図示実施の形態
においては四つ）設けられ、それら回動防止部３ｂ、３
ｂは、挿入筒部３ａの周方向に適宜間隔をおいて（図示
実施の形態においては、挿入筒部３ａを周方向に四等分
するように）配置されている。これにより、回動防止部
３ｂを挟む周方向の各側が、空間部３ｃとなり、この空
間部３ｃは、回動防止部３ｂが複数設けられる場合に
は、それら回動防止部３ｂ、３ｂ間に形成されることと
なる。そして、接続具本体３には、挿入筒部３ａの奥側
にその挿入筒部３ａと軸方向に並ぶようにして第１鍔部
３ｄが形成されおり、前記回動防止部３ｂは、挿入筒部
３ａから第１鍔部３ｄにまたがって、例えば板状に形成
されている。Here, the connector main body 3 is made of a synthetic resin such as polysulfone resin, which is a harder material than the water pipe 1, and is formed in a tubular shape as a whole. The connector main body 3 includes, on one end side, an insertion tube portion 3a that is fitted into the connection end portion 1a of the water pipe 1 so as to be fitted into the connection end portion 1a. Then, in order to prevent the water pipe 1 from coming off, a ring-shaped protrusion T,
T is formed. Further, as the moving sleeve 4, which will be described in detail later, moves into the connecting tool body 3, the connecting end portion 1a pushed in the moving direction of the connecting tool body 3 bites from the tip side thereof to prevent the water pipe 1 from rotating. A rotation prevention portion 3b is provided. The rotation preventing portion 3b is a base end portion of the insertion tube portion 3a, and is formed at an appropriate position in the circumferential direction of the insertion tube portion 3a so as to project from the insertion tube portion 3a.
Further, a plurality (four in the illustrated embodiment) of the rotation preventing portions 3b are provided, and the rotation preventing portions 3b and 3b are provided.
b are arranged at appropriate intervals in the circumferential direction of the insertion tube portion 3a (in the illustrated embodiment, the insertion tube portion 3a is divided into four equal parts in the circumferential direction). As a result, each side in the circumferential direction sandwiching the rotation preventing portion 3b becomes a space portion 3c. This space portion 3c is provided between the rotation preventing portions 3b and 3b when a plurality of rotation preventing portions 3b are provided. Will be formed. Then, the connector main body 3 has a first flange 3d formed on the inner side of the insertion tube 3a so as to be axially aligned with the insertion tube 3a. For example, it is formed in a plate shape extending from the portion 3a to the first flange portion 3d.

【００１４】また、接続具本体３は、他方端側に、他の
接続具（図示せず）が螺合するようにして連結される、
外周面にネジ部を備えたテーパ筒状の連結部３ｅを備え
ている。そして、接続具本体３には、連結部３ｅの奥側
にその連結部３ｅと軸方向に並ぶようにして第２鍔部３
ｆが形成されている。この第２鍔部３ｆは、六角形状に
形成されており、スパナ等の工具を掛けてこの接続具本
体３を回動するための、工具掛け部となっている。Further, the connector main body 3 is connected to the other end side so that another connector (not shown) is screwed.
The outer peripheral surface is provided with a tapered cylindrical connecting portion 3e having a threaded portion. Then, in the connector main body 3, the second flange portion 3 is arranged on the inner side of the connecting portion 3e so as to be axially aligned with the connecting portion 3e.
f is formed. The second brim portion 3f is formed in a hexagonal shape, and serves as a tool hanging portion for hanging a tool such as a spanner to rotate the connector main body 3.

【００１５】移動スリーブ４は、通水管１の外周に嵌め
られ、その通水管１の軸線に沿って、挿入筒部３ａと嵌
合している接続端部１ａ側に移動して、すなわち、図示
実施の形態においては、その通水管１の、接続端部１ａ
よりも入り込んだ側から、挿入筒部３ａと嵌合している
接続端部１ａ側に移動して、接続端部１ａを挿入筒部３
ａとで挟持するものである。この移動スリーブ４は、例
えば黄銅等の金属材料からなり、円筒形状に形成されて
いる。そして、この移動スリーブ４は、一方の端部内周
側が、面取りされてテーパー状となっており、このテー
パー部は、通水管１の接続端部１ａを押し進めるための
押圧面４ａとなっている。The moving sleeve 4 is fitted on the outer circumference of the water pipe 1, and moves along the axis of the water pipe 1 toward the connecting end portion 1a fitted to the insertion tube portion 3a, that is, as shown in the drawing. In the embodiment, the connection end 1a of the water pipe 1 is
The connection end 1a is moved to the side of the connection end 1a fitted with the insertion cylinder 3a from the side where the insertion end 3a is inserted.
It is sandwiched between a and. The moving sleeve 4 is made of a metal material such as brass and has a cylindrical shape. The inner peripheral side of one end of the moving sleeve 4 is chamfered into a tapered shape, and the tapered portion serves as a pressing surface 4a for pushing the connecting end 1a of the water pipe 1 forward.

【００１６】そして、これら接続具本体３と移動スリー
ブ４とからなる接続具２によると、移動スリーブ４の移
動に伴って押し出されて、回動防止部３ｂを挟む周方向
の各側の空間部３ｃ内に導かれた、接続端部１ａの先端
部１ｂは、この接続具２の外側から目視可能となってい
る（図４参照）。すなわち、前記空間部３ｃは、挿入筒
部３ａの径方向外側に開口している。また、回動防止部
３ｂは、通水管１の回動を防止するだけでなく、挿入筒
部３ａと嵌合している、通水管１の接続端部１ａ側に移
動した移動スリーブ４が、当接してその移動が止められ
る、ストッパーともなっている。According to the connecting tool 2 composed of the connecting tool body 3 and the moving sleeve 4, the connecting tool 2 is pushed out as the moving sleeve 4 moves, and the space on each side in the circumferential direction sandwiches the rotation preventing part 3b. The tip portion 1b of the connection end portion 1a guided into the inside 3c is visible from the outside of the connection tool 2 (see FIG. 4). That is, the space portion 3c is open to the outside in the radial direction of the insertion cylinder portion 3a. Further, the rotation preventing portion 3b not only prevents the water passage pipe 1 from rotating, but the moving sleeve 4 that is fitted to the insertion tube portion 3a and has moved to the connection end portion 1a side of the water passage pipe 1 is It also serves as a stopper that abuts and stops its movement.

【００１７】次に、以上の構成からなる接続具２の作用
効果について説明する。この接続具２に通水管１を接続
するには、始めに、移動スリーブ４を通水管１の外周に
予め嵌めておく。次いで、通水管１の口元を、例えば拡
径用工具を用いて拡径し、接続端部１ａを形成する。そ
して、通水管１の拡径された接続端部１ａ内に、接続具
本体３の挿入筒部３ａを挿入することで、挿入筒部３ａ
と接続端部１ａとを嵌合させる（図３参照）。その後、
移動スリーブ４を、例えば圧入用工具を用いて、通水管
１の、接続端部１ａよりも入り込んだ側から、挿入筒部
３ａと嵌合している接続端部１ａ側に移動させて、接続
端部１ａを、移動スリーブ４と挿入筒部３ａとで挟持す
る（図４参照）。Next, the function and effect of the connector 2 having the above structure will be described. In order to connect the water pipe 1 to the connector 2, first, the moving sleeve 4 is fitted in advance on the outer circumference of the water pipe 1. Next, the diameter of the mouth of the water pipe 1 is expanded using, for example, a diameter expanding tool to form the connection end 1a. Then, by inserting the insertion tube portion 3a of the connector main body 3 into the expanded connection end portion 1a of the water pipe 1, the insertion tube portion 3a.
And the connection end 1a are fitted together (see FIG. 3). afterwards,
By using, for example, a press-fitting tool, the moving sleeve 4 is moved from the side of the water pipe 1 that is intruded from the connection end portion 1a to the side of the connection end portion 1a that is fitted with the insertion tube portion 3a, and is connected. The end portion 1a is sandwiched between the moving sleeve 4 and the insertion tube portion 3a (see FIG. 4).

【００１８】このとき、接続具本体３には回動防止部３
ｂが設けられており、移動スリーブ４の移動に伴って、
回動防止部３ｂが、移動スリーブ４の移動方向に押し進
められた接続端部１ａにその先端側から食い込む。そし
て、この移動スリーブ４の移動に伴って押し出された、
接続端部１ａの先端部１ｂは、回動防止部３ｂを挟む周
方向の各側の空間部３ｃ内に導かれる。こうして、接続
端部１ａの先端側から食い込んだ回動防止部３ｂによっ
て、挿入筒部３ａに対する通水管１の回動が防止され
る。このように、回動防止部３ｂによって通水管１の回
動が防止されて、通水管１の回動によるその通水管１と
挿入筒部３ａとの間の緩みを防ぐことができ、通水管１
の接続による漏水を防止することができる。At this time, the rotation preventing portion 3 is attached to the connector main body 3.
b is provided, and along with the movement of the moving sleeve 4,
The rotation preventing portion 3b bites into the connecting end portion 1a pushed in the moving direction of the moving sleeve 4 from the tip side thereof. Then, it is pushed out along with the movement of the moving sleeve 4,
The tip portion 1b of the connection end portion 1a is guided into the space portion 3c on each side in the circumferential direction sandwiching the rotation prevention portion 3b. In this way, the water flow pipe 1 is prevented from rotating with respect to the insertion tube portion 3a by the rotation preventing portion 3b which is bitten in from the tip end side of the connection end portion 1a. In this way, the rotation preventing portion 3b prevents the water passage pipe 1 from rotating, and it is possible to prevent the water passage pipe 1 from loosening due to the rotation of the water passage pipe 1 and the insertion tube portion 3a. 1
Water leakage due to the connection can be prevented.

【００１９】しかも、この回動防止部３ｂが、挿入筒部
３ａの周方向の適宜位置に、その挿入筒部３ａから突出
して形成されることで、回動防止部３ｂは、接続端部１
ａに確実に食い込み、挿入筒部３ａに対する通水管１の
回動が確実に防止される。したがって、通水管１の接続
による漏水を的確に防止することができる。さらに、回
動防止部３ｂが複数（図示実施の形態においては四つ）
設けられることで、挿入筒部３ａに対する通水管１の回
動が一層確実に防止され、通水管１の接続による漏水を
一層的確に防止することができる。Moreover, since the rotation preventing portion 3b is formed at an appropriate position in the circumferential direction of the insertion cylinder portion 3a so as to project from the insertion cylinder portion 3a, the rotation prevention portion 3b becomes the connecting end portion 1a.
It reliably bites into a, and rotation of the water pipe 1 with respect to the insertion tube portion 3a is reliably prevented. Therefore, it is possible to accurately prevent water leakage due to the connection of the water pipe 1. Further, there are a plurality of rotation preventing portions 3b (four in the illustrated embodiment).
By being provided, rotation of the water pipe 1 with respect to the insertion tube portion 3a can be prevented more reliably, and water leakage due to the connection of the water pipe 1 can be prevented more accurately.

【００２０】また、回動防止部３ｂを挟む周方向の各側
の空間部３ｃ内に導かれた、接続端部１ａの先端部１ｂ
が、この接続具２の外側から目視されて、通水管１の接
続状態が確認される。こうして、接続端部１ａの先端部
１ｂを、この接続具２の外側から目視することで、通水
管１の接続状態を確認することができ、不完全な接続を
防止することができる。Further, the tip end portion 1b of the connecting end portion 1a is guided into the space portions 3c on the respective sides in the circumferential direction which sandwich the rotation preventing portion 3b.
However, the connection state of the water pipe 1 is confirmed by being visually observed from the outside of the connecting tool 2. In this way, by visually observing the tip end portion 1b of the connection end portion 1a from the outside of the connection tool 2, the connection state of the water pipe 1 can be confirmed, and incomplete connection can be prevented.

【００２１】また、移動スリーブ４が、挿入筒部３ａと
嵌合している接続端部１ａ側に移動したとき、その移動
を完了させるべく、移動スリーブ４は、ストッパーとな
る回動防止部３ｂに当接する。こうして、移動スリーブ
４がストッパーとなる回動防止部３ｂに当接してその移
動が止められたところで、この接続具２への通水管１の
接続が完了する。このように、回動防止部３ｂが、通水
管１の接続を完了させるために、移動スリーブ４の移動
を止めるストッパーとして機能しているので、別途スト
ッパーを設ける必要がない。Further, when the moving sleeve 4 moves to the side of the connecting end portion 1a fitted to the insertion tube portion 3a, the moving sleeve 4 serves as a stopper so that the moving sleeve 4 serves as a stopper. Abut. In this way, when the moving sleeve 4 comes into contact with the rotation preventing portion 3b serving as a stopper and the movement thereof is stopped, the connection of the water pipe 1 to the connecting tool 2 is completed. As described above, since the rotation preventing portion 3b functions as a stopper that stops the movement of the moving sleeve 4 in order to complete the connection of the water passage pipe 1, it is not necessary to separately provide a stopper.

【００２２】なお、本発明は、上述した実施の形態に限
定されるわけではなく、その他種々の変更が可能であ
る。例えば、接続具本体３は、合成樹脂からならなくと
も、黄銅や青銅等の金属材料からなっていてもよい。ま
た、反対に、移動スリーブ４は、金属材料からならなく
とも、強度が保たれるのであれば、合成樹脂からなって
いてもよい。It should be noted that the present invention is not limited to the above-described embodiment, and various other modifications are possible. For example, the connector main body 3 need not be made of synthetic resin, but may be made of a metal material such as brass or bronze. On the contrary, the moving sleeve 4 may be made of a synthetic resin as long as the strength is maintained without being made of a metal material.

【００２３】また、挿入筒部３ａは、接続具本体３の一
方端側のみに設けられなくとも、図６に示すように、接
続具本体３の両端側に設けられてもよい。この図６は、
接続具２を用いて、ヘッダー５と、通水管としての合成
樹脂製の給水湯管Ｋとを繋ぐ例を示している。すなわ
ち、ヘッダー５の、通水管となる合成樹脂製の接続口５
ａが、接続具２の一方端側に接続され、通水管としての
給水湯管Ｋが接続具２のもう一方端側に接続される。ま
た、図示しないが、この接続具２を用いて、給水湯管
Ｋ、Ｋどうしを繋いでもよいのは勿論である。The insertion tube portion 3a may be provided not only on one end side of the connector main body 3 but also on both end sides of the connector main body 3 as shown in FIG. This Figure 6
An example is shown in which the connector 5 is used to connect the header 5 to a water supply pipe K made of synthetic resin as a water pipe. That is, the connection port 5 of the header 5, which is made of synthetic resin and serves as a water passage pipe.
a is connected to one end side of the connector 2, and the hot water supply pipe K as a water passage pipe is connected to the other end side of the connector 2. Although not shown, it is needless to say that the connecting fitting 2 may be used to connect the hot water supply pipes K, K to each other.

【００２４】また、図７は、接続具を、ヘッダー６に適
用した例を示しており、この接続具となるヘッダー６に
おける、接続具本体としてのヘッダー本体６ａの接続口
６ｂに、挿入筒部３ａが形成されている。そして、通水
管としての合成樹脂製の給水湯管Ｋが、挿入筒部３ａを
介してヘッダー６に接続される。FIG. 7 shows an example in which the connecting tool is applied to the header 6, and in the header 6 as the connecting tool, the insertion tube portion is inserted into the connection port 6b of the header body 6a as the connecting tool body. 3a is formed. Then, a water supply pipe K made of synthetic resin as a water passage pipe is connected to the header 6 via the insertion tube portion 3a.

【００２５】また、回動防止部３ｂは、複数設けられな
くとも、一つであってもよい。また、回動防止部３ｂ
が、移動スリーブ４の移動を止めるためのストッパーを
兼ねなくとも、別途、ストッパーを設けてもよい。Further, the rotation prevention portion 3b may be provided in a single number even if a plurality of rotation prevention portions 3b are not provided. Also, the rotation prevention portion 3b
However, a stopper may be provided separately without serving as a stopper for stopping the movement of the moving sleeve 4.

【００２６】また、例えば、図１、図２および図４で示
した接続具２において、その本体３の連結部３ｅは、例
えば、内周面にネジ部を備えた円筒状のものであっても
よく、図示形態に限定されないことは勿論である。Further, for example, in the connector 2 shown in FIGS. 1, 2 and 4, the connecting portion 3e of the main body 3 has, for example, a cylindrical shape having a screw portion on its inner peripheral surface. Of course, it is not limited to the illustrated form.

【００２７】また、接続具２の本体３は、直線状に形成
されていなくとも、エルボー状、Ｔ字状等、その他の形
状であってもよい。Further, the main body 3 of the connector 2 may not be formed in a linear shape, but may be in other shapes such as an elbow shape and a T shape.

【００２８】[0028]

【発明の効果】以上、詳述したところから明らかなよう
に、この発明に係る合成樹脂製通水管の接続具によれ
ば、次の効果がある。As is clear from the above description, the synthetic resin water pipe connector according to the present invention has the following effects.

【００２９】請求項１に記載された合成樹脂製通水管の
接続具によれば、通水管の接続端部の先端側から食い込
んだ回動防止部によって、接続具本体の挿入筒部に対す
る通水管の回動が防止されるので、通水管の回動による
その通水管と挿入筒部との間の緩みを防ぐことができ、
通水管の接続による漏水を防止することができる。According to the connector of the synthetic resin water pipe according to the first aspect, the water pipe for the insertion tube portion of the connector body is provided by the rotation preventing portion that bites from the tip end side of the connection end of the water pipe. Since the rotation of the water pipe is prevented, it is possible to prevent the water pipe from loosening due to the rotation of the water pipe and the insertion tube portion.
It is possible to prevent water leakage due to connection of water pipes.

【００３０】また、請求項２に記載された合成樹脂製通
水管の接続具によれば、加えて、挿入筒部から突出して
形成された回動防止部が、通水管の接続端部に確実に食
い込み、挿入筒部に対する通水管の回動が確実に防止さ
れるので、通水管の接続による漏水を的確に防止するこ
とができる。Further, according to the connecting tool for the synthetic resin water pipe according to the second aspect, in addition, the rotation preventing portion formed so as to project from the insertion tube portion is surely provided at the connecting end portion of the water pipe. Since the water pipe is prevented from turning into the insertion tube portion and the rotation of the water pipe with respect to the insertion cylinder portion is reliably prevented, water leakage due to the connection of the water pipe can be accurately prevented.

【００３１】また、請求項３に記載された合成樹脂製通
水管の接続具によれば、加えて、複数の回動防止部によ
って、挿入筒部に対する通水管の回動が一層確実に防止
されるので、通水管の接続による漏水を一層的確に防止
することができる。According to the connector of the synthetic resin water pipe according to the third aspect of the present invention, in addition, the plurality of rotation preventing portions further reliably prevent the water pipe from rotating with respect to the insertion tube portion. Therefore, water leakage due to the connection of the water pipe can be prevented more accurately.

【００３２】また、請求項４に記載された合成樹脂製通
水管の接続具によれば、加えて、回動防止部を挟む周方
向の各側の空間部内に導かれた、接続端部の先端部を、
この接続具の外側から目視することで、通水管の接続状
態を確認することができる。Further, according to the connector of the synthetic resin water pipe according to the fourth aspect, in addition, the connecting end portion of the connecting end portion introduced into the space portion on each side in the circumferential direction sandwiching the rotation preventing portion is provided. The tip,
By visually observing from the outside of this connecting tool, the connection state of the water pipe can be confirmed.

【００３３】また、請求項５に記載された合成樹脂製通
水管の接続具によれば、加えて、回動防止部が、通水管
の接続を完了させるために、移動スリーブの移動を止め
るストッパーとして機能しているので、別途ストッパー
を設ける必要がない。Further, according to the connector of the synthetic resin water pipe according to the fifth aspect, in addition, the rotation preventing portion stops the movement of the moving sleeve in order to complete the connection of the water pipe. Since it functions as, it is not necessary to provide a separate stopper.

【図面の簡単な説明】[Brief description of drawings]

【図１】この発明に係る合成樹脂製通水管の接続具の一
実施の形態の、正面図である。FIG. 1 is a front view of an embodiment of a connector for a synthetic resin water pipe according to the present invention.

【図２】同じく、図１におけるＡ−Ａ線による断面図で
ある。FIG. 2 is likewise a sectional view taken along the line AA in FIG.

【図３】同じく、接続具に通水管を接続する過程を示
す、一部を破断した正面図である。FIG. 3 is a partially cutaway front view showing a process of connecting the water pipe to the connector.

【図４】同じく、接続具に通水管が接続された状態を示
す、一部を破断した正面図である。FIG. 4 is a partially cutaway front view showing a state in which a water pipe is connected to the connector.

【図５】同じく、図４におけるＢ−Ｂ線による断面図で
ある。5 is a sectional view taken along line BB in FIG.

【図６】この発明に係る合成樹脂製通水管の接続具の他
の実施の形態の、正面図である。FIG. 6 is a front view of another embodiment of the connector for a synthetic resin water pipe according to the present invention.

【図７】この発明に係る合成樹脂製通水管の接続具のさ
らに他の実施の形態の、正面図である。FIG. 7 is a front view of still another embodiment of the connector for a synthetic resin water pipe according to the present invention.

【図８】従来の接続具を示す断面図である。FIG. 8 is a cross-sectional view showing a conventional connecting tool.

【符号の説明】[Explanation of symbols]

１ 通水管 １ａ 接続端部 １ｂ 先端部 ２ 接続具 ３ 接続具本体 ３ａ 挿入筒部 ３ｂ 回動防止部 ３ｃ 空間部 ４ 移動スリーブ ５ａ 接続口（通
水管） ６ ヘッダー（接続具） ６ａ ヘッダー本
体（接続具本体） Ｋ 給水湯管（通水管）1 Water Pipe 1a Connection End 1b Tip 2 Connector 3 Connector Main Body 3a Insertion Tube 3b Rotation Prevention Part 3c Space 4 Moving Sleeve 5a Connection Port (Water Pipe) 6 Header (Connector) 6a Header Body (Connect) Ingredient body) K Water supply pipe (water pipe)

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 合成樹脂製の通水管を接続するための接
続具であって、 前記通水管の接続端部内に挿入されるようにしてその接
続端部と嵌合する挿入筒部を備えた接続具本体と、 前記通水管の外周に嵌められ、その通水管の、前記挿入
筒部と嵌合している前記接続端部側に移動して、前記接
続端部を前記挿入筒部とで挟持する移動スリーブとから
なり、 前記接続具本体には、前記移動スリーブの移動に伴っ
て、その移動方向に押し進められた前記接続端部にその
先端側から食い込んで、前記通水管の回動を防止する回
動防止部が設けられてなることを特徴とする、合成樹脂
製通水管の接続具。1. A connecting tool for connecting a synthetic resin water pipe, comprising an insertion cylinder part that is fitted into the connecting end part of the water pipe so as to be inserted into the connecting end part. A fitting main body and an outer periphery of the water pipe are fitted, and the water pipe is moved to the side of the connection end that is fitted with the insertion tube, and the connection end is formed by the insertion tube. The connecting tool main body includes a moving sleeve to be sandwiched, and bites from the tip end side into the connecting end portion that is pushed forward in the moving direction of the connecting tool body as the moving sleeve moves. A connector for a synthetic resin water pipe, characterized in that it is provided with a rotation preventing portion for preventing it. 【請求項２】 前記回動防止部は、前記挿入筒部の周方
向の適宜位置に、その挿入筒部から突出して形成されて
いることを特徴とする請求項１に記載の、合成樹脂製通
水管の接続具。2. The synthetic resin according to claim 1, wherein the rotation preventing portion is formed at an appropriate position in the circumferential direction of the insertion tube portion so as to project from the insertion tube portion. Water pipe connector. 【請求項３】 前記回動防止部は、複数設けられ、それ
ら回動防止部は、前記挿入筒部の周方向に適宜間隔をお
いて配置されていることを特徴とする請求項２に記載
の、合成樹脂製通水管の接続具。3. The rotation preventing portion is provided in a plurality, and the rotation preventing portions are arranged at appropriate intervals in the circumferential direction of the insertion tube portion. , A synthetic resin water pipe connector. 【請求項４】 前記移動スリーブの移動に伴って押し出
されて、前記回動防止部を挟む周方向の各側の空間部内
に導かれた、前記接続端部の先端部は、この接続具の外
側から目視可能となっていることを特徴とする請求項２
または３に記載の、合成樹脂製通水管の接続具。4. The tip end portion of the connecting end portion, which is pushed out by the movement of the moving sleeve and is guided into the space portion on each side in the circumferential direction sandwiching the rotation preventing portion, is formed by the connecting tool. 3. It is visible from the outside.
Alternatively, the connector for a synthetic resin water pipe according to the item 3). 【請求項５】 前記回動防止部は、前記挿入筒部と嵌合
している前記接続端部側に移動した前記移動スリーブ
が、当接してその移動が止められる、ストッパーとなっ
ていることを特徴とする請求項１ないし４のいずれか１
項に記載の、合成樹脂製通水管の接続具。5. The rotation preventing portion serves as a stopper for stopping the movement of the moving sleeve, which has moved to the connecting end portion side fitted with the insertion tube portion, by abutting the movement sleeve. 5. The method according to claim 1, wherein
Item 5. A synthetic resin water pipe connector according to item.
JP2001345205A 2001-11-09 2001-11-09 Connecting tool for water conduit pipe of synthetic resin Pending JP2003148672A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001345205A JP2003148672A (en) 2001-11-09 2001-11-09 Connecting tool for water conduit pipe of synthetic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001345205A JP2003148672A (en) 2001-11-09 2001-11-09 Connecting tool for water conduit pipe of synthetic resin

Publications (1)

Publication Number Publication Date
JP2003148672A true JP2003148672A (en) 2003-05-21

Family

ID=19158587

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001345205A Pending JP2003148672A (en) 2001-11-09 2001-11-09 Connecting tool for water conduit pipe of synthetic resin

Country Status (1)

Country Link
JP (1) JP2003148672A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006336706A (en) * 2005-05-31 2006-12-14 Mirai Ind Co Ltd Pipe connector
JP2009103169A (en) * 2007-10-22 2009-05-14 Onda Seisakusho Seki Kojo:Kk Joint
JP2018514709A (en) * 2016-04-14 2018-06-07 ハナテク コーポレーションＨａｎａｔｅｃｈ．Ｃｏ Sealed sleeve

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006336706A (en) * 2005-05-31 2006-12-14 Mirai Ind Co Ltd Pipe connector
JP4648763B2 (en) * 2005-05-31 2011-03-09 未来工業株式会社 Pipe fitting
JP2009103169A (en) * 2007-10-22 2009-05-14 Onda Seisakusho Seki Kojo:Kk Joint
JP2018514709A (en) * 2016-04-14 2018-06-07 ハナテク コーポレーションＨａｎａｔｅｃｈ．Ｃｏ Sealed sleeve

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