JP2001153278A - Confirmation hole protective cover on pipe fitting - Google Patents
Confirmation hole protective cover on pipe fittingInfo
- Publication number
- JP2001153278A JP2001153278A JP33719199A JP33719199A JP2001153278A JP 2001153278 A JP2001153278 A JP 2001153278A JP 33719199 A JP33719199 A JP 33719199A JP 33719199 A JP33719199 A JP 33719199A JP 2001153278 A JP2001153278 A JP 2001153278A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- joint
- ring
- nut
- confirmation hole
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
- E02B15/085—Details of connectors
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/046—Collection of oil using vessels, i.e. boats, barges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
- E02B15/104—Conveyors; Paddle wheels; Endless belts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joints That Cut Off Fluids, And Hose Joints (AREA)
- Joints With Sleeves (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Joints With Pressure Members (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
の接続管が正常に接続されているかを外部から確認でき
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 capable of confirming from outside whether connection pipes for water supply, hot water supply and the like are connected normally.
【0002】[0002]
【従来の技術】従来、給水用,給湯用等の接続管が正常
に接続されているかを外部から確認できる管継手として
公知のものに図8のものがある。この図8について簡単
に説明すると、管継手40は接続管49の挿入を許容す
るスリーブ43を備えたソケット41と、スリーブ43
の外周に形成した溝孔44に装着されるシール部材45
と、前記ソケット41の内側でスリーブ43と向かい合
う食い込み溝47を形成したリング46と、該リング4
6を締め付けるキャップ48とからなり、前記ソケット
41の周面には、ソケット41に挿入された接続管49
の先端を目視できる確認孔42が複数個穿設されてお
り、キャップ48をソケット41に螺着した後に接続管
49をスリーブ43とキャップ48の間に挿入すると、
接続管49の外周面にはリング46の食い込み溝47が
食い込み固定され、確認孔42からは接続管49の先端
がスリーブ43の奥まで正常に挿入されているかを、目
視して確認することができるものである。2. Description of the Related Art Conventionally, there is a known pipe joint as shown in FIG. 8 as a pipe joint capable of confirming from the outside whether or not connection pipes for water supply, hot water supply and the like are normally connected. Referring to FIG. 8 briefly, the pipe joint 40 includes a socket 41 having a sleeve 43 which allows the connection pipe 49 to be inserted, and a sleeve 43.
Sealing member 45 mounted in a slot 44 formed on the outer periphery of
A ring 46 having a biting groove 47 facing the sleeve 43 inside the socket 41;
And a cap 48 for tightening the connection pipe 6. On the peripheral surface of the socket 41, a connection pipe 49 inserted into the socket 41 is provided.
A plurality of confirmation holes 42 for visually observing the tip of are provided. When the connection tube 49 is inserted between the sleeve 43 and the cap 48 after the cap 48 is screwed into the socket 41,
A biting groove 47 of a ring 46 is bitten and fixed on the outer peripheral surface of the connection pipe 49, and it can be visually confirmed whether the tip of the connection pipe 49 is properly inserted to the depth of the sleeve 43 from the confirmation hole 42. You can do it.
【0003】上記のものは、接続管の接続状態が正常で
あるかを確認するための確認孔は単に孔を穿設したのみ
であり、管継手が使用される建築現場等では通常異物が
発生しやすく、確認孔から管継手内部に異物が侵入し、
グリスを塗布してあるシール部材に異物が付着して漏水
の原因となったり、接続管の挿入時の荷重が増加してし
まう等の不都合があった。In the above-mentioned method, a confirmation hole for confirming whether or not the connection state of the connection pipe is normal is simply formed by drilling a hole. Foreign matter enters the fitting from the confirmation hole,
There have been inconveniences such as foreign matter adhering to the seal member coated with grease, causing water leakage, and increasing the load when the connecting pipe is inserted.
【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、接続管が正常に挿入されていることを目視
できる確認孔を穿設した管継手において、確認孔からの
異物の侵入を防止することである。The problem to be solved by the present invention is to prevent foreign matter from entering through a confirmation hole in a pipe joint having a confirmation hole through which a connection pipe can be visually confirmed to be properly inserted. It is to prevent.
【0005】[0005]
【課題を解決するための手段】本発明は請求項1では、
継手本体は接続管を外嵌する円筒状の案内部を設け、継
手本体に螺着するナットと案内部の間にリングを介在さ
せ、継手本体又はナットには案内部に外嵌された接続管
の先端を目視できる確認孔を穿設し、接続管をナットの
開口部から挿入して案内部に外嵌し、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、前記継手本体又はナットに確認孔を覆う透
明又は半透明の保護カバーを装着したものである。SUMMARY OF THE INVENTION According to the present invention,
The joint main body is provided with a cylindrical guide portion for externally fitting the connection pipe, a ring is interposed between the nut screwed to the joint main body and the guide section, and the connection pipe fitted externally to the guide section on the joint body or the nut. A pipe that has a confirmation hole through which the end of the connection pipe can be seen, inserts the connection pipe from the opening of the nut and fits over the guide, and the ring presses the outer peripheral surface of the connection pipe so that it can be connected to the joint body In the joint, a transparent or translucent protective cover that covers the confirmation hole is attached to the joint main body or the nut.
【0006】請求項2では、前記案内部は少なくとも確
認孔と半径方向に向かい合う周面に、着色部材を貼付又
は塗布したものである。According to a second aspect of the present invention, the guide portion is formed by attaching or applying a coloring member to at least a circumferential surface facing the confirmation hole in a radial direction.
【0007】請求項3では、前記保護カバーは、継手本
体の案内部とナットの間でリングと並設して装着し、リ
ングを支持するものである。According to a third aspect of the present invention, the protective cover is mounted in parallel with the ring between the guide portion of the joint body and the nut, and supports the ring.
【0008】[0008]
【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21が挿入される略円筒状の
継手本体1と、該継手本体1に螺着するナット13と、
該ナット13と継手本体1の間に配設されるリング17
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, the pipe joint A of the present invention includes a substantially cylindrical joint body 1 into which a connection pipe 21 is inserted, a nut 13 screwed to the joint body 1,
A ring 17 disposed between the nut 13 and the joint body 1
And
【0009】継手本体1は図1及び図2に示すように略
円筒状で、内部軸方向に湯又は水が通過する通路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7が形
成され、他端側に該連結部7よりやや大径の筒部8が形
成され、該筒部8の外周に雄ねじ部8aを刻設してい
る。As shown in FIGS. 1 and 2, the joint body 1 has a substantially cylindrical shape, and has a passage 2 through which hot water or water passes in the axial direction of the inside thereof. As shown in the figure, a connecting portion 7 to be connected to another joint is formed on the outer periphery of one end of the tool engaging portion 3 having an outer peripheral surface of, for example, a hexagon, and has a slightly larger diameter than the connecting portion 7 on the other end. Is formed, and a male screw portion 8a is engraved on the outer periphery of the cylindrical portion 8.
【0010】継手本体1の工具係止部3には、接続管2
1の先端が工具係止部3内周の垂直面に設けたストッパ
ー4に当たるまで正常に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を図3に
示すように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。[0010] The connection pipe 2 is provided at the tool engagement portion 3 of the joint body 1.
As shown in FIG. 3, a confirmation hole 5 is provided so that it can be visually confirmed from any external direction whether or not the tip of the tool 1 is properly inserted until it hits a stopper 4 provided on a vertical surface on the inner periphery of the tool locking portion 3. At the same interval on the peripheral surface (3 in this embodiment)
).
【0011】前記筒部8の内周側には、所定の間隔をお
いて前記接続管21より小径に形成した円筒状の案内部
9が設けられている。該案内部9の先端は筒部8より前
方に露出し、露出した外周面には溝孔10,10が軸方
向に併設して環状に形成され、該溝孔10,10には同
一形状のシール部材11,11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が向上する。A cylindrical guide 9 having a smaller diameter than the connecting pipe 21 is provided at an inner peripheral side of the cylindrical portion 8 at a predetermined interval. The distal end of the guide portion 9 is exposed forward of the cylindrical portion 8, and slots 10, 10 are formed in the exposed outer peripheral surface in an annular shape alongside the axial direction, and the slots 10, 10 have the same shape. Seal members 11, 11 are respectively mounted. In addition, although only one slot and one seal member may be used, a plurality of members improve water stopping performance.
【0012】前記筒部8と案内部9の間には、工具係止
部3の確認孔5と半径方向に向かい合わせて保護カバー
6を装着している。該保護カバー6は確認孔5から異物
が侵入し、案内部9の周面に付着するのを防止するもの
であり、透明又は半透明の合成樹脂で形成され、図4に
示すように各確認孔5を工具係止部3の内部側から隙間
なく塞ぐ円筒部6cと、前記ストッパー4に当接する底
面部6dからなり、該底面部6dの中央に穿設した開口
孔6eを案内部9に挿通させて装着している。A protective cover 6 is mounted between the cylindrical portion 8 and the guide portion 9 so as to face the confirmation hole 5 of the tool engaging portion 3 in the radial direction. The protective cover 6 is for preventing foreign substances from entering through the confirmation hole 5 and adhering to the peripheral surface of the guide portion 9, and is made of a transparent or translucent synthetic resin. As shown in FIG. The guide portion 9 includes a cylindrical portion 6c for closing the hole 5 from the inside of the tool engaging portion 3 without any gap, and a bottom portion 6d abutting on the stopper 4, and an opening hole 6e formed in the center of the bottom portion 6d. It is inserted and inserted.
【0013】案内部9の全外周面又は確認孔5と半径方
向に向かい合う周面のみには、暗い場所でも確認孔5を
通して確実に目視できるように、反射,蛍光,蓄光機能
を備えた着色部材12を貼付又は塗布している。従っ
て、接続管21を案内部9に外嵌していない場合は、確
認孔5からは透明又は半透明の保護カバー6を通して着
色部材12を確実に目視できるものである。On the entire outer peripheral surface of the guide portion 9 or only on the peripheral surface facing the confirmation hole 5 in the radial direction, a colored member having reflection, fluorescence, and light storage functions so that it can be visually confirmed through the confirmation hole 5 even in a dark place. 12 is stuck or applied. Therefore, when the connecting pipe 21 is not fitted to the guide portion 9, the coloring member 12 can be surely viewed from the confirmation hole 5 through the transparent or translucent protective cover 6.
【0014】前記シール部材11は漏水を防止するため
のものでゴム等の弾性材からなり、潤滑性を良好にする
ためグリスが塗布されており、接続管21が案内部9に
外嵌されるとシール部材11は変形し、接続管21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 11 is for preventing water leakage, is made of an elastic material such as rubber, and is coated with grease for improving lubricity. The connection pipe 21 is fitted around the guide portion 9. The seal member 11 is deformed, and tightly adheres to the inner peripheral surface of the connection pipe 21 in a watertight manner to ensure the seal.
【0015】ナット13は内周面入口に前記継手本体1
の雄ねじ部8aに螺着する雌ねじ部14が形成され、該
雌ねじ部14の奥には接続管21が挿入される開口部1
6に向かうにつれ、徐々に小径にしたテーパー面15が
形成されている。The nut 13 is provided at the inlet of the inner peripheral surface at the joint body 1.
A female screw portion 14 is formed to be screwed to the male screw portion 8a of the connector.
A taper surface 15 having a gradually reduced diameter is formed toward the portion 6.
【0016】リング17はナット13のテーパー面15
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18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21を容易に挿入するた
めのテーパー面15、及び接続管21の外周面を押圧し
食い込む凹凸状の食い込み溝20を形成している。従っ
て、リング17は接続管21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21
を管継手Aから引き出そうとする力が加わると、リング
17は縮径し、食い込み溝20が接続管21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 17 has a tapered surface 15 of the nut 13.
The slit 18 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 connecting pipe 21 can be easily formed on the inner peripheral surface. A tapered surface 15 for insertion and a concave and convex cutting groove 20 for pressing and cutting the outer peripheral surface of the connection pipe 21 are formed. Accordingly, since the diameter of the ring 17 increases when the connection pipe 21 is inserted, the ring 17 can be easily inserted into the pipe joint A.
When a force is applied to pull out the pipe 17 from the pipe joint A, the ring 17 is reduced in diameter, so that the biting groove 20 bites deeply into the outer peripheral surface of the connecting pipe 21 so as not to be pulled out.
【0017】接続管21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9とナット13の
間に形成される空間に挿入され、案内部9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21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ると、案内部9の確認孔5と半
径方向に向かい合う周面に貼付又は塗布されている着色
部材12を覆い隠すものである。The connection pipe 21 is made of a resin such as polyethylene or polypropylene, is inserted into a space formed between the guide section 9 and the nut 13 of the joint main body 1 and is fitted to the guide section 9 in a watertight manner. When the distal end of the connecting pipe 21 is inserted into the tool engaging portion 3 of the joint body 1 until the distal end of the connecting tube 21 hits the stopper 4 provided on the inner periphery of the tool engaging portion 3, the tool facing the confirmation hole 5 of the guide portion 9 in the radial direction. It covers the colored member 12 adhered or applied to the peripheral surface.
【0018】本発明において接続管21を管継手Aに接
続するには、まずナット13をテーパー面15にリング
17を挿入した状態で、継手本体1の雄ねじ部8aに螺
着する。In order to connect the connection pipe 21 to the pipe joint A in the present invention, first, the nut 13 is screwed to the male thread 8a of the joint body 1 with the ring 17 inserted into the tapered surface 15.
【0019】次に図1に示すように接続管21の先端を
ナット13の開口部16から挿入し、継手本体1の案内
部9に外嵌すると、接続管21の内周面はシール部材1
1の外周面に密着し、図2に示すように継手本体1のス
トッパー4に当接した所で停止する。この時、接続管2
1は継手本体1の案内部9とリング17の間で挟着さ
れ、しかもリング17のテーパー面19が接続管21の
外周面を押圧し、食い込み溝20が外周面に食い込み、
接続管21を案内部9の外周面に押圧しているのでシー
ル部材11のシールが確実で、ナット13を緩めないと
引き抜くことはできない。Next, as shown in FIG. 1, when the distal end of the connecting pipe 21 is inserted through the opening 16 of the nut 13 and externally fitted to the guide section 9 of the joint body 1, the inner peripheral surface of the connecting pipe 21 becomes
1 and stops at the place where it comes into contact with the stopper 4 of the joint body 1 as shown in FIG. At this time, connecting pipe 2
1 is sandwiched between the guide portion 9 of the joint body 1 and the ring 17, and the tapered surface 19 of the ring 17 presses the outer peripheral surface of the connection pipe 21, and the biting groove 20 bites into the outer peripheral surface,
Since the connecting pipe 21 is pressed against the outer peripheral surface of the guide portion 9, the sealing of the seal member 11 is reliable, and the sealing member 11 cannot be pulled out unless the nut 13 is loosened.
【0020】なお、工具係止部3の周面に穿設した確認
孔5からは、透明又は半透明の保護カバー6を通して接
続管21の先端が継手本体1のストッパー4に当接する
まで挿入され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案内部9の着色部材12が
露出するので、接続管21をもう一度奥まで挿入すれば
よい。The connection tube 21 is inserted through the confirmation hole 5 formed in the peripheral surface of the tool engagement portion 3 through the transparent or translucent protective cover 6 until the distal end of the connection tube 21 contacts the stopper 4 of the joint body 1. It is possible to visually check whether or not the connecting member 21 is in contact with the stopper 4, and the coloring member 12 of the guide portion 9 is exposed.
【0021】このような管継手Aにおいて、接続管21
を継手本体1から引き抜こうとしても、リング17がナ
ット13のテーパー面15に沿って開口部16に向けて
移動すれば食い込み溝20がさらに深く接続管21の外
周面に食い込み、しかもシール部材11が接続管21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 21
When the ring 17 moves toward the opening 16 along the tapered surface 15 of the nut 13, the biting groove 20 bites deeper into the outer peripheral surface of the connection pipe 21, and the sealing member 11. Presses against the inner peripheral surface of the connection pipe 21, so that it cannot be leaked or pulled out.
【0022】図5は本発明の管継手の別の実施例を示す
もので、前記実施例と異なる点は、保護カバー6aを確
認孔5の外周側に装着した点である。なお、その他の構
成は前記実施例と同一であり、共通の符号で指示し詳細
な説明を省略する。このように保護カバー6aが確認孔
5の外周に装着されていれば、保護カバー6aに付着し
た異物を容易に取り除くことができ、さらに保護カバー
6aの取り外しを容易にできる。FIG. 5 shows another embodiment of the pipe joint of the present invention. The difference from the above embodiment is that the protective cover 6a is mounted on the outer peripheral side of the confirmation hole 5. The other configurations are the same as those of the above-described embodiment, and are denoted by the same reference numerals, and detailed description will be omitted. If the protective cover 6a is mounted on the outer periphery of the confirmation hole 5 as described above, foreign substances adhering to the protective cover 6a can be easily removed, and the protective cover 6a can be easily removed.
【0023】図6は本発明の管継手の更に別の実施例を
示すもので、前記実施例と異なる点は、継手本体1aに
筒部が形成されていない点である。この実施例では確認
孔5aが継手本体1aの工具係止部3aではなく、ナッ
ト13aに穿設してあり、該ナット13aの雌ねじ部1
4aは工具係止部3aに併設した雄ねじ部8aに螺着す
る。また、前記確認孔5aと向かい合う保護カバー6b
は、案内部9aの基端外周に装着し、保護カバー6bの
端面にリング17を当接させ、該リング17を案内部9
aとナット13aの間に支持している。FIG. 6 shows still another embodiment of the pipe joint of the present invention, which is different from the above embodiment in that a tubular portion is not formed in the joint main body 1a. In this embodiment, the confirmation hole 5a is formed in the nut 13a, not in the tool engaging portion 3a of the joint body 1a, and the female screw portion 1 of the nut 13a is formed.
4a is screwed into a male screw portion 8a provided alongside the tool locking portion 3a. Also, a protective cover 6b facing the confirmation hole 5a.
Is mounted on the outer periphery of the base end of the guide portion 9a, and the ring 17 is brought into contact with the end face of the protective cover 6b.
a and between the nut 13a.
【0024】本実施例では、保護カバーが確認孔からの
異物の侵入防止とリングの支持を兼用し、継手本体は円
筒状の筒部が形成されておらず、継手本体の形状をシン
プルにしているので、加工が容易で生産性が向上し、コ
ストダウンを図ることができるものである。In this embodiment, the protective cover also serves to prevent foreign matter from entering through the confirmation hole and to support the ring, and the joint body does not have a cylindrical tubular portion. Therefore, processing is easy, productivity is improved, and cost can be reduced.
【0025】図7は本発明の管継手の更に別の実施例を
示すもので、本実施例の継手本体1bは工具係止部3b
の内側に他の継手に接続される連結部7aが形成されて
いる。FIG. 7 shows still another embodiment of the pipe joint of the present invention. The joint main body 1b of this embodiment has a tool engaging portion 3b.
A connection portion 7a to be connected to another joint is formed inside the inside.
【0026】従って、工具係止部と連結部を併設してい
る前記実施例と比較して、継手本体をコンパクトに形成
することができる。Therefore, the joint main body can be made more compact than in the above-described embodiment in which the tool engaging portion and the connecting portion are provided side by side.
【0027】[0027]
【発明の効果】本発明は請求項1では、継手本体は接続
管を外嵌する円筒状の案内部を設け、継手本体に螺着す
るナットと案内部の間にリングを介在させ、継手本体又
はナットには案内部に外嵌された接続管の先端を目視で
きる確認孔を穿設し、接続管をナットの開口部から挿入
して案内部に外嵌し、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
記継手本体又はナットに確認孔を覆う透明又は半透明の
保護カバーを装着したので、確認孔から管継手の内部に
異物が侵入することがなく、異物がシール部材に付着し
て漏水の原因となったり、接続管を案内部に外嵌する際
に荷重が増加する等の問題を防止できる。According to the present invention, in the first aspect, the joint body is provided with a cylindrical guide portion for externally fitting the connection pipe, and a ring is interposed between the nut screwed to the joint body and the guide portion. Alternatively, the nut is provided with a confirmation hole for visually confirming the tip of the connection pipe externally fitted to the guide, and the connection pipe is inserted from the opening of the nut and externally fitted to the guide, and the ring is formed on the outer peripheral surface of the connection pipe. In a pipe joint that can be connected to the joint body by pressing, a transparent or translucent protective cover that covers the confirmation hole is attached to the joint body or nut, so that foreign matter enters the inside of the pipe joint from the confirmation hole. Therefore, it is possible to prevent problems such as foreign matter adhering to the seal member and causing water leakage, and an increase in load when the connection pipe is fitted to the guide portion.
【0028】また請求項2では、前記案内部は少なくと
も確認孔と半径方向に向かい合う周面に、着色部材を貼
付又は塗布したので、暗い場所でも確認孔を通して着色
部材を目視することができ、接続管が正常に管継手に接
続されていないことを素早く認識することができる。According to the second aspect of the present invention, since the coloring member is attached or applied to at least the circumferential surface of the guide portion which faces the confirmation hole in the radial direction, the coloring member can be visually checked through the confirmation hole even in a dark place. It is possible to quickly recognize that the pipe is not properly connected to the fitting.
【0029】さらに請求項3のように、保護カバーは継
手本体の案内部とナットの間でリングと並設して装着
し、確認孔からの異物の侵入防止とリングの支持を兼用
すれば、継手本体に円筒状の筒部を形成する必要がな
く、継手本体の形状をシンプルにすることができ、加工
が容易で生産性が向上し、大幅なコストダウンを図るこ
とができる。Furthermore, if the protective cover is mounted side by side with the ring between the guide portion of the joint body and the nut as described in claim 3, the protective cover also serves to prevent foreign substances from entering through the confirmation hole and to support the ring. There is no need to form a cylindrical tubular portion in the joint body, so that the shape of the joint body can be simplified, processing is easy, productivity is improved, and significant cost reduction can be achieved.
【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した状態の縦断面図であ
る。FIG. 2 is a longitudinal sectional view showing a state where a connection pipe is connected to a pipe joint.
【図3】図1におけるX−X線の縦断面図である。FIG. 3 is a longitudinal sectional view taken along line XX in FIG.
【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】別の実施例の説明図である。FIG. 5 is an explanatory diagram of another embodiment.
【図6】更に別の実施例の説明図である。FIG. 6 is an explanatory view of still another embodiment.
【図7】更に別の実施例の説明図である。FIG. 7 is an explanatory view of still another embodiment.
【図8】従来技術の説明図である。FIG. 8 is an explanatory diagram of a conventional technique.
1,1a,1b 継手本体 5,5a 確認孔 6,6a,6b 保護カバー 9,9a 案内部 12 着色部材 13,13a ナット 16 開口部 17 リング 21 接続管 A 管継手 1, 1a, 1b Joint body 5, 5a Confirmation hole 6, 6a, 6b Protective cover 9, 9a Guide part 12 Colored member 13, 13a Nut 16 Opening 17 Ring 21 Connection pipe A Pipe joint
───────────────────────────────────────────────────── 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) 3H015 JA02 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Naoki Ishida 641 Inari, Takahata, Tomika-cho, Kamo-gun, Gifu F-term in Kitamura Alloy Works, Ltd. (reference) 3H015 JA02
Claims (3)
内部を設け、継手本体に螺着するナットと案内部の間に
リングを介在させ、継手本体又はナットには案内部に外
嵌された接続管の先端を目視できる確認孔を穿設し、接
続管をナットの開口部から挿入して案内部に外嵌し、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、前記継手本体又はナットに
確認孔を覆う透明又は半透明の保護カバーを装着したこ
とを特徴とする管継手における確認孔保護カバー。The joint body has a cylindrical guide portion for externally fitting the connection pipe, a ring is interposed between the nut screwed to the joint body and the guide portion, and the joint body or the nut is provided outside the guide portion. A confirmation hole that allows the end of the fitted connection pipe to be seen is drilled, the connection pipe is inserted through the opening of the nut and fitted over the guide, and the ring presses the outer peripheral surface of the connection pipe to form the joint body. A check hole protection cover for a pipe joint, wherein a transparent or translucent protective cover for covering a check hole is attached to the joint body or the nut in the connectable pipe joint.
向に向かい合う周面に、着色部材を貼付又は塗布したこ
とを特徴とする請求項1記載の管継手における確認孔保
護カバー。2. The check hole protection cover for a pipe joint according to claim 1, wherein a coloring member is attached or applied to at least a circumferential surface of the guide portion facing the check hole in a radial direction.
ナットの間でリングと並設して装着し、リングを支持す
ることを特徴とする請求項1又は2記載の管継手におけ
る確認孔保護カバー。3. The confirmation hole in the pipe joint according to claim 1, wherein the protective cover is mounted in parallel with the ring between the guide portion of the joint body and the nut, and supports the ring. Protective cover.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33719199A JP3538090B2 (en) | 1999-11-29 | 1999-11-29 | Check hole protection cover for pipe joints |
KR1020000015779A KR100363956B1 (en) | 1999-11-29 | 2000-03-28 | A pipe coupler equipped with a cover for protecting a confirmation hole |
CNB001176390A CN1178016C (en) | 1999-11-29 | 2000-05-18 | Protective sleeve of confirming bole in tube joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33719199A JP3538090B2 (en) | 1999-11-29 | 1999-11-29 | Check hole protection cover for pipe joints |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001153278A true JP2001153278A (en) | 2001-06-08 |
JP3538090B2 JP3538090B2 (en) | 2004-06-14 |
Family
ID=18306310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP33719199A Expired - Fee Related JP3538090B2 (en) | 1999-11-29 | 1999-11-29 | Check hole protection cover for pipe joints |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP3538090B2 (en) |
KR (1) | KR100363956B1 (en) |
CN (1) | CN1178016C (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003083485A (en) * | 2001-09-12 | 2003-03-19 | Mym Corp | Pipe joint |
JP2007177992A (en) * | 2005-11-30 | 2007-07-12 | Onda Seisakusho Seki Kojo:Kk | Joint |
JP2008180343A (en) * | 2007-01-26 | 2008-08-07 | Nippon Flex Kk | Connector |
JP2009222107A (en) * | 2008-03-14 | 2009-10-01 | Riken Corp | Housing pipe joint |
JP2009270622A (en) * | 2008-05-07 | 2009-11-19 | Toyox Co Ltd | Pipe joint |
JP2010060113A (en) * | 2008-09-05 | 2010-03-18 | Sekisui Chem Co Ltd | Pipe joint |
JP2011001969A (en) * | 2009-06-16 | 2011-01-06 | Onda Seisakusho:Kk | Heat insulating material for header |
JP2017072155A (en) * | 2015-10-05 | 2017-04-13 | 株式会社ブリヂストン | Pipe joint |
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DE60215486T2 (en) * | 2002-08-07 | 2007-06-06 | Emmeti S.P.A. | Pipe connection with test arrangement |
CN102439346B (en) * | 2009-05-11 | 2013-11-06 | 日立金属株式会社 | Pipe joint |
KR101110400B1 (en) * | 2011-09-30 | 2012-02-24 | 주식회사 우정메카트로닉스 | Pipe connector assembly and pipe connection method using the same |
ES2778454T3 (en) | 2013-11-06 | 2020-08-10 | Becton Dickinson & Co Ltd | Connector system with a locking member for a medical device |
KR101755002B1 (en) * | 2016-12-06 | 2017-07-07 | 피피아이평화 주식회사 | One touch type pipe connector |
CN111867546B (en) | 2018-03-20 | 2023-09-12 | 贝克顿迪金森有限公司 | Connection arrangement for closed system transfer of fluids |
EP3884196A1 (en) * | 2018-11-23 | 2021-09-29 | Oetiker Schweiz AG | Connector |
-
1999
- 1999-11-29 JP JP33719199A patent/JP3538090B2/en not_active Expired - Fee Related
-
2000
- 2000-03-28 KR KR1020000015779A patent/KR100363956B1/en not_active IP Right Cessation
- 2000-05-18 CN CNB001176390A patent/CN1178016C/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003083485A (en) * | 2001-09-12 | 2003-03-19 | Mym Corp | Pipe joint |
JP4657533B2 (en) * | 2001-09-12 | 2011-03-23 | 株式会社ケーブイケー | Pipe fitting |
JP2007177992A (en) * | 2005-11-30 | 2007-07-12 | Onda Seisakusho Seki Kojo:Kk | Joint |
JP4611252B2 (en) * | 2005-11-30 | 2011-01-12 | 株式会社オンダ製作所 | Fitting |
JP2008180343A (en) * | 2007-01-26 | 2008-08-07 | Nippon Flex Kk | Connector |
JP2009222107A (en) * | 2008-03-14 | 2009-10-01 | Riken Corp | Housing pipe joint |
JP2009270622A (en) * | 2008-05-07 | 2009-11-19 | Toyox Co Ltd | Pipe joint |
JP2010060113A (en) * | 2008-09-05 | 2010-03-18 | Sekisui Chem Co Ltd | Pipe joint |
JP2011001969A (en) * | 2009-06-16 | 2011-01-06 | Onda Seisakusho:Kk | Heat insulating material for header |
JP2017072155A (en) * | 2015-10-05 | 2017-04-13 | 株式会社ブリヂストン | Pipe joint |
Also Published As
Publication number | Publication date |
---|---|
CN1305071A (en) | 2001-07-25 |
KR100363956B1 (en) | 2002-12-11 |
KR20010049243A (en) | 2001-06-15 |
JP3538090B2 (en) | 2004-06-14 |
CN1178016C (en) | 2004-12-01 |
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