JP2001124258A - Pipe joint - Google Patents
Pipe jointInfo
- Publication number
- JP2001124258A JP2001124258A JP30629299A JP30629299A JP2001124258A JP 2001124258 A JP2001124258 A JP 2001124258A JP 30629299 A JP30629299 A JP 30629299A JP 30629299 A JP30629299 A JP 30629299A JP 2001124258 A JP2001124258 A JP 2001124258A
- Authority
- JP
- Japan
- Prior art keywords
- connection pipe
- peripheral surface
- pipe
- guide
- 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.)
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
-
- 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
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Joints With Pressure Members (AREA)
- Joints With Sleeves (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、給水用，給湯用等
の接続管を挿入するだけで接続することのできる管継手
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe joint which can be connected simply by inserting a connecting pipe for water supply, hot water supply, or the like.
【０００２】[0002]
【従来の技術】従来、給水用，給湯用等の接続管を挿入
するだけで接続することができ、しかも容易に抜けない
ようにした差し込み式の管継手として公知のものに図５
及び図６のものがある。この図５及び図６について簡単
に説明すると、管継手３０は接続管３８の挿入を許容す
るスリーブ３２を備えたソケット３１と、スリーブ３２
の外周に形成した溝孔３３に装着されるシール部材３４
と、前記ソケット３１の内側でスリーブ３２と向かい合
う食い込み溝３６を形成したリング３５と、該リング３
５を締め付けるキャップ３７とからなり、キャップ３７
をソケット３１に螺合した後に接続管３８をスリーブ３
２とキャップ３７の間に挿入すると、接続管３８の外周
面にはリング３５の食い込み溝３６が食い込み固定され
るものである。2. Description of the Related Art FIG. 5 shows a known plug-in type pipe joint which can be connected simply by inserting a connecting pipe for water supply, hot water supply or the like and is not easily pulled out.
And FIG. 5 and 6, the pipe joint 30 includes a socket 31 having a sleeve 32 that allows the connection pipe 38 to be inserted, and a sleeve 32.
Sealing member 34 mounted in a slot 33 formed on the outer periphery of
A ring 35 formed with a biting groove 36 facing the sleeve 32 inside the socket 31;
5 and a cap 37 for tightening the cap 5.
After the connection pipe 38 is screwed into the socket 31, the connection pipe 38 is connected to the sleeve 3.
When inserted between the cap 2 and the cap 37, the biting groove 36 of the ring 35 bites into the outer peripheral surface of the connecting pipe 38 and is fixed.
【０００３】上記のものにあっては、接続管をスリーブ
とキャップの間に挿入する際に、図７に示すようにスリ
ーブの軸方向に対し接続管を傾いた状態で差し込んだ
り、図８に示すように先端面が垂直に切断されていない
接続管を差し込むと、接続管の先端がシール部材の外周
面をめくり上げてしまったり、シール部材に傷を付けた
り切断したりして、シール不良を引き起こし漏水が発生
するという問題があり、作業性及び信頼性に欠けるもの
であった。[0003] In the above, when the connecting pipe is inserted between the sleeve and the cap, as shown in FIG. 7, the connecting pipe is inserted in a state of being inclined with respect to the axial direction of the sleeve. As shown in the figure, if you insert a connecting pipe whose end face is not cut vertically, the connecting pipe tip will flip up the outer peripheral surface of the seal member, or will damage or cut the seal member, resulting in poor sealing. This causes a problem that water leakage occurs, and the workability and reliability are lacking.
【０００４】[0004]
【発明が解決しようとする課題】本発明が解決しようと
する課題は、給水用，給湯用等の接続管を挿入するだけ
で接続できる管継手において、接続管の挿入を円滑に行
えるようにし、作業性及び止水性能を向上させることで
ある。SUMMARY OF THE INVENTION An object of the present invention is to provide a pipe joint which can be connected simply by inserting a connecting pipe for water supply or hot water supply, so that the connecting pipe can be inserted smoothly. It is to improve workability and water stopping performance.
【０００５】[0005]
【課題を解決するための手段】本発明は請求項１では、
継手本体は外周に形成した雄ねじ部の内側に接続管を外
嵌する円筒状の案内部を設け、該案内部は外周面に溝孔
を形成し、該溝孔に接続管の内周面に密着するシール部
材を装着し、前記雄ねじ部に螺着する袋ナットと案内部
の間にリングを介在させ、樹脂製の接続管を袋ナットの
開口部から挿入し、リングが接続管の外周面を押圧する
ことで継手本体に接続可能とした管継手において、前記
案内部の外周にシール部材を覆うことのできるガイド環
を外嵌し、該ガイド環は接続管を袋ナットの開口部から
挿入すると、接続管の内周面と案内部の外周面に挟圧さ
れた状態で、シール部材の外周面を均一に押圧しながら
案内部をスライドするものである。SUMMARY OF THE INVENTION According to the present invention,
The joint body is provided with a cylindrical guide portion for externally fitting the connection pipe inside the external thread portion formed on the outer periphery, the guide portion has a groove formed on the outer peripheral surface, and the inner peripheral surface of the connection pipe is formed in the groove hole. A sealing member is attached, and a ring is interposed between the guide nut and the cap nut screwed into the male screw part, and a resin connection pipe is inserted through the opening of the cap nut. In a pipe joint that can be connected to the joint body by pressing the guide ring, a guide ring capable of covering a seal member is fitted around the outer periphery of the guide portion, and the guide ring inserts the connection pipe from the opening of the cap nut. Then, the guide portion is slid while uniformly pressing the outer peripheral surface of the seal member while being pressed between the inner peripheral surface of the connection pipe and the outer peripheral surface of the guide portion.
【０００６】請求項２では、前記ガイド環は、案内部の
外周面に外嵌する円筒部と、接続管の先端と当接する鍔
部からなるものである。According to a second aspect of the present invention, the guide ring includes a cylindrical portion fitted on the outer peripheral surface of the guide portion, and a flange portion abutting on the distal end of the connection pipe.
【０００７】[0007]
【発明の実施の形態】以下、本発明の実施の形態を図に
基づいて詳細に説明する。本発明の管継手Ａは図１乃至
図４に示すように、接続管２２が外嵌される略円筒状の
案内部８を設けた継手本体１と、該継手本体１に螺着す
る袋ナット１４と、該袋ナット１４と継手本体１の間に
配設されたリング１８及び前記案内部８に外嵌するガイ
ド環１１とを備えている。Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIGS. 1 to 4, a pipe joint A of the present invention includes a joint body 1 having a substantially cylindrical guide portion 8 to which a connecting pipe 22 is fitted, and a cap nut screwed to the joint body 1. 14, a ring 18 provided between the cap nut 14 and the joint main body 1, and a guide ring 11 fitted to the guide portion 8.
【０００８】前記継手本体１は図１及び図２に示すよう
に略円筒状で、内部軸方向に湯水が通過する通路２が貫
通して形成されており、スパナ等の締付け工具が係止さ
れるように、外周面を例えば六角形状にした工具係止部
３の一端側外周に、他の継手に接続される連結部６が形
成され、他端側外周に該連結部６よりやや大径の雄ねじ
部７が形成されている。As shown in FIGS. 1 and 2, the joint body 1 has a substantially cylindrical shape, and a passage 2 through which hot and cold water passes therethrough is formed in the inner axial direction, and a fastening tool such as a spanner is engaged with the joint body 1. As described above, a connecting portion 6 to be connected to another joint is formed on the outer periphery of one end of the tool engaging portion 3 having a hexagonal outer peripheral surface, for example, and has a slightly larger diameter than the connecting portion 6 on the outer periphery of the other end. Male thread portion 7 is formed.
【０００９】前記雄ねじ部７の内周には、所定の間隔を
おいて前記接続管２２より小径に形成した円筒状の案内
部８が設けられている。該案内部８の先端は雄ねじ部７
より前方に露出し、外周面の先端側には溝孔９，９が軸
方向に併設して環状に形成され、該溝孔９，９には同一
形状のシール部材１０，１０がそれぞれ装着されてい
る。なお、溝孔及びシール部材は１つだけにしてもよい
が、複数個の方が止水性能は向上する。On the inner circumference of the male screw portion 7, there is provided a cylindrical guide portion 8 formed at a predetermined interval and having a smaller diameter than the connection pipe 22. The tip of the guide 8 is a male screw 7
At the front end of the outer peripheral surface, slots 9, 9 are formed in an annular shape so as to be juxtaposed in the axial direction, and seal members 10, 10 of the same shape are mounted in the slots 9, 9, respectively. ing. In addition, although only one slot and seal member may be used, a plurality of members improve the water stopping performance.
【００１０】前記シール部材１０は接続管２２の内周面
に付着した異物の捕捉と水漏れを防止するためのもの
で、ゴム等の弾性材からなり、ガイド環１１及び接続管
２２が案内部８に外嵌されるとシール部材１０，１０は
変形し、接続管２２の内周面に水密的に密着してシール
が確実となるようにしている。The seal member 10 is for catching foreign matter adhering to the inner peripheral surface of the connecting pipe 22 and preventing water leakage, and is made of an elastic material such as rubber. The seal members 10 and 10 are deformed when they are fitted to the outer surface 8, and are tightly adhered to the inner peripheral surface of the connection pipe 22 in a water-tight manner to ensure the seal.
【００１１】前記ガイド環１１は図４に示すように、前
記案内部８の外周面に装着した一方のシール部材１０を
覆うことのできる長さの円筒部１２と、案内部８の先端
と向かい合う端縁に円筒部よりやや大径に形成した鍔部
１３からなり、案内部８の外周にスライド自在に外嵌さ
れるものである。そして図２に示すように、鍔部１３が
接続管２２の端面に当接すると、円筒部１２の内周面は
シール部材１０の外周面に密接し、さらに接続管２２を
挿入すると図３に示すように鍔部１３は継手本体１のス
トッパー４に当接して停止するものである。As shown in FIG. 4, the guide ring 11 is opposed to a cylindrical portion 12 having a length capable of covering one of the seal members 10 mounted on the outer peripheral surface of the guide portion 8, and a tip of the guide portion 8. A flange 13 is formed at an end edge of the cylindrical portion 13 with a diameter slightly larger than that of the cylindrical portion. Then, as shown in FIG. 2, when the flange portion 13 comes into contact with the end surface of the connection pipe 22, the inner peripheral surface of the cylindrical portion 12 comes into close contact with the outer peripheral surface of the seal member 10. As shown, the flange portion 13 comes into contact with the stopper 4 of the joint body 1 and stops.
【００１２】袋ナット１４は内周面入口に前記継手本体
１の雄ねじ部７に螺着する雌ねじ部１５が形成され、該
雌ねじ部１５の奥には接続管２２が挿入される開口部１
７に向かうにつれて徐々に小径にしたテーパー面１６が
形成されている。The cap nut 14 has an internal thread 15 formed at the entrance of the inner peripheral surface thereof to be screwed to the male thread 7 of the joint body 1, and an opening 1 into which the connecting pipe 22 is inserted.
7, a tapered surface 16 having a gradually reduced diameter is formed.
【００１３】リング１８は袋ナット１４のテーパー面１
６の内側に挿入されるものであり、図４に示すように軸
方向の一部にスリット１９を形成することで、縮径及び
拡径が可能で、内周面には接続管２２を容易に挿入する
ためのテーパー面２０、及び接続管２２の外周面を押圧
し食い込む凹凸状の食い込み溝２１を形成している。従
ってリング１８は接続管２２の挿入時に拡径するので管
継手Ａに容易に挿入させることができるが、接続管２２
を管継手Ａから引き出そうとする力が加わるとリング１
８は縮径し、食い込み溝２１が接続管２２の外周面に深
く食い込み、引き出せないようにしている。The ring 18 is the tapered surface 1 of the cap nut 14.
6, the slit 19 is formed in a part of the axial direction as shown in FIG. 4, so that the diameter can be reduced and expanded, and the connection pipe 22 can be easily formed on the inner peripheral surface. A tapered surface 20 for insertion into the groove and a concave and convex biting groove 21 for pressing and biting the outer peripheral surface of the connection pipe 22 are formed. Therefore, the ring 18 can be easily inserted into the pipe joint A because the diameter of the ring 18 is increased when the connecting pipe 22 is inserted.
When a force is applied to pull the ring 1 out of the fitting A, the ring 1
8 is reduced in diameter so that the biting groove 21 bites deeply into the outer peripheral surface of the connection pipe 22 so that it cannot be pulled out.
【００１４】接続管２２はポリエチレン，ポリプロピレ
ン等の樹脂製で、継手本体１の案内部８と袋ナット１４
の間に形成される空間に挿入され案内部８に水密的に外
嵌するものであり、継手本体１の工具係止部３には、接
続管２２の先端が工具係止部３内周に設けたストッパー
４に当たるまで挿入されているのかを、外部のどの方向
からでも目視できるように、確認孔５を周面に同一間隔
で複数個（本実施例では３個）穿設している。The connection pipe 22 is made of a resin such as polyethylene or polypropylene, and has a guide portion 8 of the joint body 1 and a cap nut 14.
The fitting is inserted into the space formed between them and water-tightly fitted to the guide portion 8. The tip of the connecting pipe 22 is fitted to the inner periphery of the tool locking portion 3 in the tool locking portion 3 of the joint body 1. A plurality of confirmation holes 5 (three in this embodiment) are formed at the same interval on the peripheral surface so that it can be visually confirmed from any external direction whether or not the stopper 4 is inserted until the stopper 4 is provided.
【００１５】本発明において接続管２２を管継手Ａに接
続するには、まず袋ナット１４を内部にガイド環１１と
リング１８を挿入した状態で、図１に示すように継手本
体１の雄ねじ部７に螺着する。この時ガイド環１１は案
内部８の先端に外嵌される。To connect the connection pipe 22 to the pipe joint A in the present invention, first, with the cap nut 14 inserted therein and the guide ring 11 and the ring 18 inserted therein, as shown in FIG. 7 At this time, the guide ring 11 is fitted around the tip of the guide portion 8.
【００１６】次に図１の状態から接続管２２の先端を袋
ナット１４の開口部１７から挿入し、継手本体１の案内
部８に外嵌すると、図２に示すように接続管２２の内周
面はガイド環１１の円筒部１２外周面に外嵌し、円筒部
１２は接続管２２の内周面と案内部８の外周面に挟圧さ
れた状態となり、円筒部１２の内周面がシール部材１０
の外周面全体を均一に押圧しつつシール部材１０を覆っ
てスライドする。なおこの時、接続管２２の先端面が垂
直でなく傾斜状に切断されていたり、接続管２２を袋ナ
ット１４の開口部１７に傾いた状態で挿入することがあ
っても、接続管２２はシール部材１０に当接しないでガ
イド環１１に外嵌し、ガイド環１１の円筒部１２内周面
がシール部材１０の外周面全体を均一に押圧するので、
接続管２２の先端でシール部材１０がめくり上がった
り、傷が付くということはない。Next, when the distal end of the connecting pipe 22 is inserted through the opening 17 of the cap nut 14 from the state shown in FIG. 1 and externally fitted to the guide section 8 of the joint main body 1, as shown in FIG. The peripheral surface is fitted to the outer peripheral surface of the cylindrical portion 12 of the guide ring 11, and the cylindrical portion 12 is sandwiched between the inner peripheral surface of the connection pipe 22 and the outer peripheral surface of the guide portion 8. Is the sealing member 10
Is slid over the seal member 10 while uniformly pressing the entire outer peripheral surface of the seal member 10. At this time, even if the distal end face of the connection pipe 22 is cut not vertically but in an inclined manner, or the connection pipe 22 is inserted into the opening 17 of the cap nut 14 in an inclined state, the connection pipe 22 is Since the outer peripheral surface of the cylindrical portion 12 of the guide ring 11 uniformly presses the entire outer peripheral surface of the seal member 10,
There is no possibility that the seal member 10 is turned up or damaged at the end of the connection pipe 22.
【００１７】さらに接続管２２を奥に挿入すると、ガイ
ド環１１は鍔部１３が接続管２２の端面で押圧されて接
続管２２と共に移動し、図３に示すようにガイド環１１
の鍔部１３が継手本体１のストッパー４に当接したとこ
ろで停止する。この時、接続管２２は継手本体１の案内
部８とリング１８の間で挟着され、しかもリング１８の
テーパー面２０が接続管２２の外周面を押圧し、食い込
み溝２１が外周面に食い込み、接続管２２を案内部８の
外周面に押圧しているのでシール部材１０のシールが確
実で、袋ナット１４を緩めないと引き抜くことはできな
い。When the connecting pipe 22 is further inserted into the back, the guide ring 11 is moved with the connecting pipe 22 by the flange 13 being pressed by the end face of the connecting pipe 22, and as shown in FIG.
When the flange 13 of the joint body comes into contact with the stopper 4 of the joint main body 1, it stops. At this time, the connecting pipe 22 is sandwiched between the guide portion 8 of the joint body 1 and the ring 18, and the tapered surface 20 of the ring 18 presses the outer peripheral surface of the connecting pipe 22, and the biting groove 21 bites into the outer peripheral surface. Since the connecting pipe 22 is pressed against the outer peripheral surface of the guide portion 8, the sealing of the sealing member 10 is reliable, and the sealing member 10 cannot be pulled out unless the cap nut 14 is loosened.
【００１８】また、万一接続管２２の内周面に異物が付
着していても、継手本体１の案内部８に装着されている
先端側のシール部材１０で異物を捕捉し、内側のシール
部材１０で接続管２２とのシールを確実に行うことがで
きる。Even if foreign matter adheres to the inner peripheral surface of the connection pipe 22, the foreign matter is captured by the sealing member 10 on the distal end side mounted on the guide portion 8 of the joint body 1, and the inner seal is formed. The member 10 can reliably seal the connection pipe 22.
【００１９】さらに工具係止部３の周面に穿設した確認
孔５からは、接続管２２の先端が継手本体１のストッパ
ー４に当接しているかを目視することができ、ストッパ
ー４に当接していない場合は、確認孔５を目視しながら
接続管２２をもう一度奥まで挿入すればよい。Further, it is possible to visually check from the confirmation hole 5 formed in the peripheral surface of the tool engaging portion 3 whether or not the tip of the connection pipe 22 is in contact with the stopper 4 of the joint body 1. When they are not in contact with each other, the connection pipe 22 may be inserted all the way again while visually checking the confirmation hole 5.
【００２０】このような管継手Ａにおいて、接続管２２
を継手本体１から引き抜こうとしても、リング１８が袋
ナット１４のテーパー面１６に沿って開口部１７に向け
て移動すれば食い込み溝２１がさらに深く接続管２２の
外周面に食い込み、しかもシール部材１０が接続管２２
の内周面を押圧しているので、漏水したり引き抜くこと
はできない。In such a pipe joint A, the connecting pipe 22
When the ring 18 is moved toward the opening 17 along the tapered surface 16 of the cap nut 14, even if it is attempted to pull the sealing member out of the joint body 1, the biting groove 21 bites deeper into the outer peripheral surface of the connection pipe 22, and the sealing member 10 is a connecting pipe 22
Since the inner peripheral surface is pressed, water cannot be leaked or pulled out.
【００２１】また、接続管２２を通過する水に異常に高
い水圧が加わると接続管２２は膨張するが、シール部材
１０が変形して接続管２２の内周面に確実に密着し、漏
水することはない。When an abnormally high water pressure is applied to the water passing through the connecting pipe 22, the connecting pipe 22 expands, but the seal member 10 is deformed and firmly adheres to the inner peripheral surface of the connecting pipe 22 to leak water. Never.
【００２２】[0022]
【発明の効果】本発明では、継手本体は外周に形成した
雄ねじ部の内側に接続管を外嵌する円筒状の案内部を設
け、該案内部は外周面に溝孔を形成し、該溝孔に接続管
の内周面に密着するシール部材を装着し、前記雄ねじ部
に螺着する袋ナットと案内部の間にリングを介在させ、
樹脂製の接続管を袋ナットの開口部から挿入し、リング
が接続管の外周面を押圧することで継手本体に接続可能
とした管継手において、前記案内部の外周にシール部材
を覆うことのできるガイド環を外嵌し、該ガイド環は接
続管を袋ナットの開口部から挿入すると、接続管の内周
面と案内部の外周面に挟圧された状態で、シール部材の
外周面を均一に押圧しながら案内部をスライドするの
で、接続管を袋ナットから継手本体に挿入する際に接続
管の先端面が傾斜状に切断されていたり、接続管が傾い
ていても、ガイド環がシール部材の外周面を均一に押圧
し、シール部材がめくれたりよじれることがなく、スム
ーズに挿入することができ、接続作業を迅速に行えるう
え、無理な接続に起因する漏水等の恐れを取り除くこと
ができる。According to the present invention, the joint body is provided with a cylindrical guide portion for externally fitting the connecting pipe inside the externally threaded portion formed on the outer periphery, and the guide portion has a groove formed on the outer peripheral surface. Attach a seal member in close contact with the inner peripheral surface of the connection pipe to the hole, interpose a ring between the cap nut screwed to the male screw portion and the guide portion,
In a pipe joint in which a resin-made connecting pipe is inserted through an opening of a cap nut and a ring presses an outer peripheral surface of the connecting pipe so as to be connectable to a joint body, a seal member is covered on an outer circumference of the guide section. When the connecting ring is inserted through the opening of the cap nut, the connecting ring is pressed between the inner circumferential surface of the connecting tube and the outer circumferential surface of the guide portion, and the outer circumferential surface of the sealing member is sealed. Since the guide slides while pressing uniformly, even when the connecting pipe is inserted from the cap nut into the joint body, even if the tip surface of the connecting pipe is cut in an inclined manner or the connecting pipe is inclined, the guide ring is The outer peripheral surface of the seal member is pressed uniformly, the seal member can be inserted smoothly without being turned or twisted, the connection work can be performed quickly, and the risk of water leakage etc. due to excessive connection is eliminated. Can be.
【００２３】従来の管継手の案内部にガイド環を外嵌す
るだけで、作業性及び信頼性を著しく向上させることが
できる。The workability and reliability can be remarkably improved only by externally fitting the guide ring to the guide portion of the conventional pipe joint.
【図１】管継手に接続管を接続する前の状態の縦断面図
である。FIG. 1 is a longitudinal sectional view of a state before a connection pipe is connected to a pipe joint.
【図２】管継手に接続管を接続する途中の状態の縦断面
図である。FIG. 2 is a longitudinal sectional view of a state in which a connection pipe is being connected to a pipe joint.
【図３】管継手に接続管を接続した状態の縦断面図であ
る。FIG. 3 is a longitudinal sectional view showing a state where a connection pipe is connected to a pipe joint.
【図４】管継手の分解斜視図である。FIG. 4 is an exploded perspective view of a pipe joint.
【図５】従来の管継手に接続管を接続する途中の状態の
縦断面図である。FIG. 5 is a longitudinal sectional view showing a state in which a connection pipe is being connected to a conventional pipe joint.
【図６】従来の管継手に接続管を接続した状態の縦断面
図である。FIG. 6 is a longitudinal sectional view showing a state where a connecting pipe is connected to a conventional pipe joint.
【図７】図５の接続管を傾いた状態で管継手に差し込ん
だ場合の説明図である。FIG. 7 is an explanatory diagram in a case where the connection pipe of FIG. 5 is inserted into a pipe joint in a tilted state.
【図８】図５の先端面が傾斜状に切断された接続管を管
接手に差し込んだ場合の説明図である。FIG. 8 is an explanatory diagram of a case where the connection pipe of FIG. 5 whose tip end surface is cut into an inclined shape is inserted into a pipe joint.
１ 継手本体 ７ 雄ねじ部 ８ 案内部 ９ 溝孔 １０ シール部材 １１ ガイド環 １２ 円筒部 １３ 鍔部 １４ 袋ナット １７ 開口部 １８ リング ２２ 接続管 Ａ 管継手 DESCRIPTION OF SYMBOLS 1 Joint main body 7 Male screw part 8 Guide part 9 Slot 10 Seal member 11 Guide ring 12 Cylindrical part 13 Flange part 14 Cap nut 17 Opening part 18 Ring 22 Connection pipe A Pipe fitting
───────────────────────────────────────────────────── フロントページの続き (72)発明者 石田 尚樹 岐阜県加茂郡富加町高畑字稲荷641番地 株式会社喜多村合金製作所内 Ｆターム(参考） 3H014 GA09 3H015 JA02 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Naoki Ishida 641 Inari, Takahata, Tomika-cho, Kamo-gun, Gifu F-term in Kitamura Alloy Works (reference) 3H014 GA09 3H015 JA02
Claims (2)
側に接続管を外嵌する円筒状の案内部を設け、該案内部
は外周面に溝孔を形成し、該溝孔に接続管の内周面に密
着するシール部材を装着し、前記雄ねじ部に螺着する袋
ナットと案内部の間にリングを介在させ、樹脂製の接続
管を袋ナットの開口部から挿入し、リングが接続管の外
周面を押圧することで継手本体に接続可能とした管継手
において、前記案内部の外周にシール部材を覆うことの
できるガイド環を外嵌し、該ガイド環は接続管を袋ナッ
トの開口部から挿入すると、接続管の内周面と案内部の
外周面に挟圧された状態で、シール部材の外周面を均一
に押圧しながら案内部をスライドすることを特徴とする
管継手。1. A joint body having a cylindrical guide portion for externally fitting a connecting tube inside a male screw portion formed on an outer periphery, the guide portion having a slot formed on an outer peripheral surface, and a connecting tube being formed in the slot. A seal member is attached to the inner peripheral surface of the nut, a ring is interposed between the cap nut screwed into the male screw portion and the guide portion, and a resin connection pipe is inserted from the cap nut opening. In a pipe joint which can be connected to a joint body by pressing an outer peripheral surface of a connecting pipe, a guide ring capable of covering a seal member is fitted around the outer periphery of the guide portion, and the guide ring attaches the connecting pipe to a cap nut. The pipe joint characterized in that when inserted from the opening of the guide tube, the guide portion slides while uniformly pressing the outer peripheral surface of the seal member while being pressed between the inner peripheral surface of the connection pipe and the outer peripheral surface of the guide portion. .
する円筒部と、接続管の先端と当接する鍔部からなるこ
とを特徴とする請求項１記載の管継手。2. The pipe joint according to claim 1, wherein the guide ring comprises a cylindrical portion fitted on the outer peripheral surface of the guide portion, and a flange portion abutting on a distal end of the connection pipe.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30629299A JP3600764B2 (en) | 1999-10-28 | 1999-10-28 | Pipe fittings |
| KR1020000015778A KR100366129B1 (en) | 1999-10-28 | 2000-03-28 | The pipe coupler |
| CNB001176382A CN1143070C (en) | 1999-10-28 | 2000-05-18 | Pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30629299A JP3600764B2 (en) | 1999-10-28 | 1999-10-28 | Pipe fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001124258A true JP2001124258A (en) | 2001-05-11 |
| JP3600764B2 JP3600764B2 (en) | 2004-12-15 |
Family
ID=17955350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30629299A Expired - Fee Related JP3600764B2 (en) | 1999-10-28 | 1999-10-28 | Pipe fittings |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3600764B2 (en) |
| KR (1) | KR100366129B1 (en) |
| CN (1) | CN1143070C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005048916A (en) * | 2003-07-31 | 2005-02-24 | Jfe Pipe Fitting Mfg Co Ltd | Insertion type pipe joint |
| JP2006118704A (en) * | 2004-09-21 | 2006-05-11 | Hitachi Metals Ltd | Insertion type joint |
| JP2010032036A (en) * | 2008-06-26 | 2010-02-12 | Onda Seisakusho:Kk | Insert member used in joint and joint |
| CN102269305A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Quick connection and movable connection combined pipe fitting structure |
| CN102269306A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Quick connection and threaded connection combined pipe fitting structure |
| WO2012164762A1 (en) * | 2011-05-31 | 2012-12-06 | 株式会社 オンダ製作所 | Joint and production method therefor |
| CN114799775A (en) * | 2022-06-28 | 2022-07-29 | 成都航天万欣科技有限公司 | Processing method and processing tool for compound wire grooves in pipe body and pipe body |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269304A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Rapid connecting assembly-pipe fitting structure |
| CN105626992A (en) * | 2014-10-31 | 2016-06-01 | 丹阳市腾辉液压机械有限公司 | Hydraulic pipe connector easy to fix and install |
| KR101934104B1 (en) * | 2016-11-29 | 2019-03-25 | 건국대학교 산학협력단 | Drain pipe suitable for anchor using expanding steel pipe and method of installation of the same |
| CN106641509B (en) * | 2016-12-29 | 2018-11-20 | 黄德修 | A kind of fast plugging tube piece with guide ring |
| CN107816593A (en) * | 2017-11-05 | 2018-03-20 | 江苏捷通管业科技有限公司 | A kind of water supply and sewerage pipeline piecing devices |
| CN108533857A (en) * | 2018-06-20 | 2018-09-14 | 湖州吴兴旭诚塑料制品有限公司 | A kind of novel plastic pvc pipe timber-used piecing devices |
| ES2953550T3 (en) * | 2018-07-23 | 2023-11-14 | Rifeng Entpr Foshan Co Ltd | Pipe connector structure |
| CN108716577B (en) * | 2018-07-23 | 2024-04-05 | 日丰企业（佛山）有限公司 | Pipe joint structure |
| CN110470053B (en) * | 2019-08-13 | 2020-11-03 | 浙江万合能源环境科技有限公司 | Gas boiler and ground warm fused hot water system |
| CN114738571A (en) * | 2022-05-12 | 2022-07-12 | 台州芮迪阀门股份有限公司 | Clamp type pull pipe joint |
-
1999
- 1999-10-28 JP JP30629299A patent/JP3600764B2/en not_active Expired - Fee Related
-
2000
- 2000-03-28 KR KR1020000015778A patent/KR100366129B1/en not_active IP Right Cessation
- 2000-05-18 CN CNB001176382A patent/CN1143070C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005048916A (en) * | 2003-07-31 | 2005-02-24 | Jfe Pipe Fitting Mfg Co Ltd | Insertion type pipe joint |
| JP4547137B2 (en) * | 2003-07-31 | 2010-09-22 | Ｊｆｅ継手株式会社 | Plug-in fittings |
| JP2006118704A (en) * | 2004-09-21 | 2006-05-11 | Hitachi Metals Ltd | Insertion type joint |
| JP2010032036A (en) * | 2008-06-26 | 2010-02-12 | Onda Seisakusho:Kk | Insert member used in joint and joint |
| CN102269305A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Quick connection and movable connection combined pipe fitting structure |
| CN102269306A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Quick connection and threaded connection combined pipe fitting structure |
| WO2012164762A1 (en) * | 2011-05-31 | 2012-12-06 | 株式会社 オンダ製作所 | Joint and production method therefor |
| CN114799775A (en) * | 2022-06-28 | 2022-07-29 | 成都航天万欣科技有限公司 | Processing method and processing tool for compound wire grooves in pipe body and pipe body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1295210A (en) | 2001-05-16 |
| KR20010039552A (en) | 2001-05-15 |
| JP3600764B2 (en) | 2004-12-15 |
| CN1143070C (en) | 2004-03-24 |
| KR100366129B1 (en) | 2002-12-31 |
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