JPH07260071A - Piping connecting structure - Google Patents

Piping connecting structure

Info

Publication number
JPH07260071A
JPH07260071A JP6073926A JP7392694A JPH07260071A JP H07260071 A JPH07260071 A JP H07260071A JP 6073926 A JP6073926 A JP 6073926A JP 7392694 A JP7392694 A JP 7392694A JP H07260071 A JPH07260071 A JP H07260071A
Authority
JP
Japan
Prior art keywords
elastic
fitting
pipe
flange
pipes
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
Application number
JP6073926A
Other languages
Japanese (ja)
Other versions
JP2897908B2 (en
Inventor
Masaaki Nagata
雅昭 永田
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.)
Inax Corp
Original Assignee
Inax Corp
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 Inax Corp filed Critical Inax Corp
Priority to JP6073926A priority Critical patent/JP2897908B2/en
Publication of JPH07260071A publication Critical patent/JPH07260071A/en
Application granted granted Critical
Publication of JP2897908B2 publication Critical patent/JP2897908B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Joints With Pressure Members (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

PURPOSE:To prevent an elastic connecting metal fitting from taking out from a piping in error, in a piping connecting structure which is formed in such constitution that a pair of piping are fitted together so as to pile flanges formed on the pipings respectively, the elastic connecting metal fitting formed in a nearly annular shape, having fitting grooves and having ends on the intermediate part in width direction, and the flanges are fitted in the fitting grooves. CONSTITUTION:An elastic engaging tooth 44 whose top end extends toward the outer circumferential surface of flanges 20, 26 in fitting condition of pipings 10, 12, is provided on each end part of an elastic connecting metal fitting 30, and the elastic fitting tooth 44 is engaged with the outer circumferential surfaces of the flanges 20, 26 in mounting condition of the elastic connecting metal fitting 30.

Description

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

【0001】[0001]

【産業上の利用分野】この発明は配管接続構造に関し、
詳しくは有端の略環状形態を成す弾性接続金具を用い
て、ワンタッチで接続の行える配管接続構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe connection structure,
More specifically, the present invention relates to a pipe connection structure that enables one-touch connection by using an elastic connection fitting having a substantially annular shape with an end.

【0002】[0002]

【従来の技術】配管接続構造の1種として、端部にフラ
ンジの形成された一対の配管を、それらフランジを重ね
るように互いに嵌合した上、全体として有端の略環状形
態を成し、各端部間に配管を軸直角方向に挿通する切欠
を有するとともにフランジを係入させる係入溝を周方向
に沿って備えた弾性接続金具をその切欠を通じて配管に
弾性的に嵌め合せ、それら配管を接続するようにした配
管接続構造が知られている。
2. Description of the Related Art As one type of pipe connection structure, a pair of pipes each having a flange formed at an end thereof are fitted to each other so that the flanges are overlapped with each other, and a generally endless and substantially annular shape is formed. An elastic connecting metal fitting having a notch for inserting the pipe in a direction perpendicular to the axis between the ends and having an engaging groove for engaging the flange along the circumferential direction is elastically fitted to the pipe through the notch, and the pipes are There is known a pipe connection structure for connecting the above.

【0003】図6はその一例を示している。図において
100,102は互いに接続すべき一対の配管であっ
て、それぞれの端部にフランジ104が一体に形成され
ている。106は弾性接続金具であって、全体として有
端の略環状(円環状)形態を成している。
FIG. 6 shows an example thereof. In the figure, 100 and 102 are a pair of pipes to be connected to each other, and a flange 104 is integrally formed at each end. Reference numeral 106 denotes an elastic connection fitting, which has a substantially annular (circular) shape with an end as a whole.

【0004】この弾性接続金具106は、端部108と
108との間に切欠109を有し、また周方向に沿って
フランジ104を係入させるための係入溝110が形成
されている。
The elastic connecting fitting 106 has a notch 109 between the end portions 108 and 108, and an engaging groove 110 for engaging the flange 104 is formed along the circumferential direction.

【0005】この配管接続構造の場合、配管100の端
部を他方の配管102の端部内に嵌入させ、配管100
の側に装着したOリング112により嵌合部を液密にシ
ールするとともに、切欠109を通じて弾性接続金具1
06をこれら配管100,102に弾性的に嵌め合せ、
そして各端部に形成したフランジ104を弾性接続金具
106の係入溝110内に係入させることによって、各
配管100,102の抜け防止を行う。
In the case of this pipe connection structure, the end of the pipe 100 is fitted into the end of the other pipe 102 so that the pipe 100
The fitting portion is liquid-tightly sealed by the O-ring 112 mounted on the side of the elastic connection fitting 1 through the notch 109.
06 is elastically fitted to these pipes 100 and 102,
Then, the flange 104 formed at each end is inserted into the engagement groove 110 of the elastic connection fitting 106 to prevent the pipes 100 and 102 from coming off.

【0006】[0006]

【発明が解決しようとする課題】この配管接続構造の場
合、ワンタッチで容易に配管100,102の接続作業
を行うことができる利点があり、このため主にキャビネ
ットの裏側やキャビネットの内部配管、例えばキッチン
キャビネットの内部配管の接続等一般に手が届きにく
く、施工がしづらい個所の配管の接続に主に用いられて
いる。
In the case of this pipe connection structure, there is an advantage that the pipes 100 and 102 can be easily connected by one-touch operation. Therefore, mainly the back side of the cabinet or the internal pipe of the cabinet, for example, It is generally used for connecting pipes in places where it is difficult to install, such as connecting internal pipes of kitchen cabinets, etc.

【0007】しかしながら、例えば上記キッチンキャビ
ネットの内部は収納部も兼ねているため、同部に物品を
押し込んだり、逆に物品を引き出したりする際に手や物
品が弾性接続金具106に触れることもあり、しかもこ
の配管接続構造の場合、弾性接続金具の抜け力が十分に
高いとは言い難く、手や物品が接触することによって弾
性接続金具106が抜けてしまう恐れがあった。
However, for example, the interior of the kitchen cabinet also serves as a storage part, and therefore, when an article is pushed in or pulled out of the same part, a hand or an article may touch the elastic connection fitting 106. In addition, in the case of this pipe connection structure, it is difficult to say that the pulling force of the elastic connection fitting is sufficiently high, and there is a possibility that the elastic connection fitting 106 may come off due to contact with a hand or an article.

【0008】[0008]

【課題を解決するための手段】本願の発明はこのような
課題を解決するためになされたものである。而して本願
の発明は、端部にフランジの形成された一対の配管を、
それらフランジを重ねるように互いに嵌合した上、全体
として有端の略環状形態を成し、各端部間に該配管を軸
直角方向に挿通する切欠を有するとともに該フランジを
係入させる係入溝を周方向に沿って備えた弾性接続金具
を該切欠を通じて該配管に弾性的に嵌め合せ、それら配
管を接続する配管接続構造において、前記弾性接続金具
の各端部に、前記嵌合せ状態において先端が前記フラン
ジの外周面に向って延びる形態の弾性係合爪を設け、該
弾性接続金具の装着状態において該弾性係合爪を該フラ
ンジの外周面に対して該弾性接続金具の抜け方向に係合
させたことを特徴とする(請求項1)。
The invention of the present application has been made to solve such a problem. Thus, the invention of the present application, a pair of pipes with a flange formed at the end,
The flanges are fitted to each other so that they overlap each other, and have a generally annular shape with an end as a whole, and there is a notch for inserting the pipe in a direction perpendicular to the axis between the ends, and the flange is engaged. In a pipe connection structure for elastically fitting an elastic connection fitting provided with a groove along the circumferential direction to the pipe through the notch, and connecting the pipes, at each end of the elastic connection fitting in the fitted state. An elastic engaging claw whose tip extends toward the outer peripheral surface of the flange is provided, and the elastic engaging claw is attached to the outer peripheral surface of the flange in the detaching direction of the elastic connecting metal when the elastic connecting metal is mounted. It is characterized in that they are engaged (Claim 1).

【0009】本願の別の発明は、請求項1の配管接続構
造において、前記弾性接続金具の各端部が末広がり状に
湾屈曲した形態を成していて、それら各端部により前記
配管の挿通を案内するガイド部が構成されており、且つ
前記弾性係合爪が該ガイド部の一部を成すように該端部
とほぼ同方向に延出形成されていることを特徴とする
(請求項2)。
According to another invention of the present application, in the pipe connection structure according to claim 1, each end of the elastic connection fitting is bent in a divergent shape, and the pipe is inserted through each end. A guide portion for guiding the guide portion is formed, and the elastic engagement claw is formed so as to extend in substantially the same direction as the end portion so as to form a part of the guide portion. 2).

【0010】本願の更に別の発明は、請求項1の配管接
続構造において、前記フランジの外周面にローレット状
の凹凸加工が施されていることを特徴とする(請求項
3)。
Still another invention of the present application is the pipe connection structure according to claim 1, wherein the outer peripheral surface of the flange is knurled.

【0011】[0011]

【作用及び発明の効果】以上のように請求項1の発明
は、弾性接続金具に弾性係合爪を設け、この弾性係合爪
を配管のフランジ外周面に係合させるようにしたもの
で、本発明によれば弾性接続金具の抜き力が効果的に高
められ、誤って配管接続部に手や物品が触れた場合であ
っても弾性接続金具が容易には配管から抜けないように
なる。
As described above, according to the first aspect of the present invention, the elastic connecting fitting is provided with the elastic engaging claw, and the elastic engaging claw is engaged with the outer peripheral surface of the flange of the pipe. According to the present invention, the pulling force of the elastic connection fitting is effectively increased, and the elastic connection fitting will not easily come off from the pipe even if the pipe connection portion is accidentally touched by a hand or an article.

【0012】請求項2の発明は、弾性接続金具の各端部
を末広がり形状と成して前記配管の挿通案内をなすガイ
ド部として構成するとともに、同ガイド部の一部を成す
ように前記弾性係合爪をその端部と略同方向に延出形成
したもので、本発明によれば切欠を通じて弾性接続金具
を配管に嵌め合せる際に、弾性係合爪がガイドとなって
嵌合せ作業を円滑に且つ比較的弱い力で行うことができ
るとともに、嵌合せ後においては弾性係合爪の係合作用
で効果的に弾性接続金具の抜け防止を図ることができ
る。
According to a second aspect of the present invention, each end portion of the elastic connection fitting is formed as a divergent shape as a guide portion for guiding the insertion of the pipe, and the elastic portion is formed so as to form a part of the guide portion. According to the present invention, the engaging claw is formed so as to extend in substantially the same direction as the end of the engaging claw. When the elastic connecting fitting is fitted to the pipe through the notch, the elastic engaging claw serves as a guide for fitting work. It can be performed smoothly and with a comparatively weak force, and after the fitting, the elastic connecting claws can effectively prevent the elastic connecting fitting from coming off by the engaging action.

【0013】請求項3の発明は、配管のフランジの外周
面にローレット状の凹凸加工を施したもので、本発明に
よれば弾性係合爪の係合力を高めることができ、従って
弾性接続金具の抜き力をより効果的に高めることができ
る。
According to the third aspect of the present invention, the outer peripheral surface of the flange of the pipe is knurled, and according to the present invention, the engaging force of the elastic engaging claw can be increased, and therefore the elastic connecting fitting. It is possible to more effectively increase the pulling force.

【0014】[0014]

【実施例】次に本発明の実施例を図面に基づいて詳しく
説明する。図1において10,12は互いに接続すべき
配管(この例では通水用の配管)である。
Embodiments of the present invention will now be described in detail with reference to the drawings. In FIG. 1, 10 and 12 are pipes (pipes for water passage in this example) to be connected to each other.

【0015】一方の配管10は、この例ではフレキシブ
ル管14に端部金具16をかしめ具18にてかしめ固定
したものである。この端部金具16にはフランジ20が
一体に形成されており、またフランジ20より先端側の
外周面にはシール用のOリング22が装着されている。
One of the pipes 10 is, in this example, a flexible pipe 14 to which an end fitting 16 is caulked and fixed by a caulking tool 18. A flange 20 is formed integrally with the end fitting 16, and an O-ring 22 for sealing is attached to the outer peripheral surface on the tip side of the flange 20.

【0016】他方の配管12は、ここでは管体24にフ
ランジ26を一体に有する端部金具としてのソケット金
具28を固定したもので、このソケット金具28には逆
止弁が内蔵されている。
The other pipe 12 is formed by fixing a socket metal fitting 28 as an end metal fitting having a flange 26 integrally to the pipe body 24, and the socket metal fitting 28 has a built-in check valve.

【0017】30はこれら配管10と12とを接続する
ための弾性接続金具である。この弾性接続金具30は、
図2に詳しく示しているようにバネ板材を曲げ形成した
ものであって、全体として有端の略円環状形態を成して
おり、略半円形状の一対の本体部32と、本体部32に
連続して形成された、弾性接続金具30における端部と
してのガイド部34と、これらガイド部34と反対の側
において本体部32を連結する連結部36とを備えて成
り、この連結部36を支点として拡径,縮径方向に弾性
変形可能とされている。
Reference numeral 30 is an elastic connection fitting for connecting the pipes 10 and 12. This elastic connection fitting 30
As shown in detail in FIG. 2, a spring plate material is bent and formed, and has a substantially annular shape with an end as a whole, and a pair of substantially semicircular main body portions 32, and a main body portion 32. A guide portion 34 as an end portion of the elastic connecting fitting 30 and a connecting portion 36 for connecting the main body portion 32 on the side opposite to these guide portions 34. With the fulcrum as a fulcrum, it can be elastically deformed in the direction of diameter expansion and diameter reduction.

【0018】本体部32及び本体部32から連結部36
にかけての部分には、配管10,12におけるフランジ
20,26を係入させるための、フランジ20,26を
合せた厚みに対応する幅(上下幅)の係入溝38が周方
向に沿って形成されており、また連結部36はフランジ
20,26との干渉を避けるために半径方向外方に突出
する形態で設けられている。
The main body 32 and the connecting portion 36 from the main body 32.
An engaging groove 38 having a width (upper and lower width) corresponding to the combined thickness of the flanges 20 and 26 for engaging the flanges 20 and 26 of the pipes 10 and 12 is formed along the circumferential direction in the portion extending to the end. Further, the connecting portion 36 is provided so as to project radially outward in order to avoid interference with the flanges 20 and 26.

【0019】一方ガイド部34と34との間には、配管
10,12をその軸直角方向に挿通するための切欠40
が形成されており、またガイド部34は、配管10,1
2の挿通を案内すべく、本体部32から離れるに従って
互いに離間する方向に延びる末広がり形状とされてい
る。
On the other hand, a notch 40 for inserting the pipes 10 and 12 in the direction perpendicular to the axis is provided between the guide portions 34 and 34.
Is formed, and the guide portion 34 includes the pipes 10, 1
In order to guide the insertion of the two, it has a divergent shape that extends in a direction away from each other with increasing distance from the main body 32.

【0020】この弾性接続金具30の各端部には、弾性
係合爪44が一体に形成されている。これら弾性係合爪
44は、ガイド部34と略同方向を向くように形成され
ている。厳密には、弾性接続金具30を配管10,12
に嵌め合せたときにこれら弾性係合爪44の先端がフラ
ンジ20,26の外周面に向って延びるように、即ちこ
れら弾性係合爪44がフランジ20,26の外周面に突
接する向きにこれら弾性係合爪44が形成されている
(図3(B)参照)。
Elastic engaging claws 44 are integrally formed at each end of the elastic connecting fitting 30. These elastic engagement claws 44 are formed so as to face substantially the same direction as the guide portion 34. Strictly speaking, the elastic connection fitting 30 is connected to the pipes 10 and 12
So that the tips of the elastic engaging claws 44 extend toward the outer peripheral surfaces of the flanges 20 and 26 when they are fitted to each other, that is, the elastic engaging claws 44 project toward the outer peripheral surfaces of the flanges 20 and 26. An elastic engaging claw 44 is formed (see FIG. 3 (B)).

【0021】本例の配管接続構造においては、一方の配
管10を他方の配管12の内部に嵌入させてフランジ2
0と26とを互いに重ね合せ、その状態で弾性接続金具
30を切欠40を通じてこれら配管10,12に弾性的
に嵌め合せることによって、これら配管10と12とを
接続することができる。このとき配管10と12とのフ
ランジ20,26が、弾性接続金具30の係入溝38内
部に係入した状態となり、抜け防止される。
In the pipe connection structure of this example, one pipe 10 is fitted inside the other pipe 12 to form the flange 2.
The pipes 10 and 12 can be connected by superposing 0 and 26 on each other and then elastically fitting the elastic connection fitting 30 to the pipes 10 and 12 through the notches 40 in this state. At this time, the flanges 20 and 26 of the pipes 10 and 12 are engaged with the inside of the engagement groove 38 of the elastic connection fitting 30 and are prevented from coming off.

【0022】本例の配管接続構造の場合、弾性接続金具
30を配管10,12に嵌め合せたとき、図3に示して
いるように弾性係合爪44が配管10,12のフランジ
20,26の外周面に突き立つように、即ち弾性接続金
具30の抜け方向に係合する。この結果弾性接続金具3
0の抜き力が大きくなり、弾性接続金具30が容易には
配管10,12から外れないようになる。
In the case of the pipe connection structure of the present embodiment, when the elastic connection fitting 30 is fitted to the pipes 10 and 12, the elastic engaging claws 44 have flanges 20 and 26 of the pipes 10 and 12 as shown in FIG. So as to protrude from the outer peripheral surface of the elastic connecting fitting 30, that is, the elastic connecting fitting 30 is disengaged. As a result, the elastic connection fitting 3
The pulling force of 0 becomes large, and the elastic connection fitting 30 is prevented from easily coming off from the pipes 10 and 12.

【0023】一方弾性接続金具30を配管10,12に
嵌め合せる際には、末広がり形状のガイド部34及びそ
の一部を成すように延びる弾性係合爪44の案内作用で
配管10と12とを円滑に且つ比較的弱い力で容易に嵌
め合せることができる。
On the other hand, when fitting the elastic connection fitting 30 to the pipes 10 and 12, the pipes 10 and 12 are guided by the guide action of the divergently-shaped guide portion 34 and the elastic engaging claws 44 extending so as to form a part thereof. It can be fitted smoothly and with relatively weak force.

【0024】このとき弾性接続金具30は、切欠40を
広げるように弾性変形するとともに、弾性係合爪44が
フランジ20,26によって一旦拡開方向に弾性変形さ
せられ、そしてフランジ20,26が弾性接続金具30
の係入溝38内に入り込んだとき、弾性係合爪44がフ
ランジ20,26の外周面に対して先端を突接させる状
態に係合し、弾性接続金具30の抜けを防止する。
At this time, the elastic connecting fitting 30 is elastically deformed so as to widen the notch 40, the elastic engaging claw 44 is elastically deformed in the expanding direction by the flanges 20 and 26, and the flanges 20 and 26 are elastically deformed. Connection fitting 30
The elastic engaging claws 44 engage with the outer peripheral surfaces of the flanges 20 and 26 in a state of abutting the tips of the elastic connecting claws 44 when entering into the engaging groove 38 of FIG.

【0025】図4は本発明の他の実施例を示したもの
で、本例ではフランジ20,26の外周面にローレット
状の凹凸39を付与している。このようにした場合、弾
性接続金具30の抜けをより効果的に防止することがで
きる。尚、他の形状の凹凸をフランジ20,26の外周
面に形成することも可能である。
FIG. 4 shows another embodiment of the present invention. In this embodiment, knurled irregularities 39 are provided on the outer peripheral surfaces of the flanges 20 and 26. In this case, the elastic connection fitting 30 can be more effectively prevented from coming off. It is also possible to form irregularities of other shapes on the outer peripheral surfaces of the flanges 20 and 26.

【0026】図5は本発明の更に他の実施例を示したも
ので、この例では弾性接続金具30の端部の幅方向両側
に突出形成した突片を本体部32側に曲げ返すことによ
って、配管10,12におけるフランジ20,26近傍
の本体部の外周面に対し係合する第二の弾性係合爪45
を第一の弾性係合爪44と併せ形成したもので、本例に
よれば、弾性接続金具30の抜き力をより一層大きくす
ることができる。
FIG. 5 shows still another embodiment of the present invention. In this example, the projecting pieces formed on both sides in the width direction of the end portion of the elastic connecting fitting 30 are bent back to the main body portion 32 side. A second elastic engaging claw 45 that engages with the outer peripheral surface of the main body near the flanges 20 and 26 of the pipes 10 and 12.
According to this example, the pulling force of the elastic connecting fitting 30 can be further increased.

【0027】以上本発明の実施例を詳述したがこれはあ
くまで一例示である。例えば本発明においては弾性係合
爪44の向きを上例とは異なる向きに形成することも可
能であるし、また本発明は銅管から成る配管その他形態
の配管の接続に際しても適用可能である等、その主旨を
逸脱しない範囲において、種々変更を加えた形態で構成
可能である。
Although the embodiment of the present invention has been described in detail above, this is merely an example. For example, in the present invention, the direction of the elastic engaging claws 44 can be formed in a direction different from the above example, and the present invention can be applied to the connection of pipes made of copper pipes and other forms of pipes. For example, various modifications may be made without departing from the spirit of the invention.

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

【図1】本発明の一実施例である配管接続構造の分解斜
視図である。
FIG. 1 is an exploded perspective view of a pipe connection structure according to an embodiment of the present invention.

【図2】図1における弾性接続金具の詳細図である。FIG. 2 is a detailed view of the elastic connection fitting in FIG.

【図3】図1の配管接続構造を配管接続状態で示す図で
ある。
FIG. 3 is a view showing the pipe connection structure of FIG. 1 in a pipe connected state.

【図4】本発明の他の実施例の要部斜視図である。FIG. 4 is a perspective view of an essential part of another embodiment of the present invention.

【図5】本発明の更に他の実施例の要部平面図である。FIG. 5 is a plan view of a main part of still another embodiment of the present invention.

【図6】従来の配管接続構造の分解斜視図である。FIG. 6 is an exploded perspective view of a conventional pipe connection structure.

【符号の説明】[Explanation of symbols]

10,12 配管 20,26 フランジ 30 弾性接続金具 34 ガイド部 38 係入溝 39 凹凸 40 切欠 44,45 弾性係合爪 10, 12 Piping 20, 26 Flange 30 Elastic connection fitting 34 Guide part 38 Engagement groove 39 Concavity and convexity 40 Notch 44, 45 Elastic engagement claw

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 端部にフランジの形成された一対の配管
を、それらフランジを重ねるように互いに嵌合した上、
全体として有端の略環状形態を成し、各端部間に該配管
を軸直角方向に挿通する切欠を有するとともに該フラン
ジを係入させる係入溝を周方向に沿って備えた弾性接続
金具を該切欠を通じて該配管に弾性的に嵌め合せ、それ
ら配管を接続する配管接続構造において前記弾性接続金
具の各端部に、前記嵌合せ状態において先端が前記フラ
ンジの外周面に向って延びる形態の弾性係合爪を設け、
該弾性接続金具の装着状態において該弾性係合爪を該フ
ランジの外周面に対して該弾性接続金具の抜け方向に係
合させたことを特徴とする配管接続構造。
1. A pair of pipes each having a flange formed at an end thereof are fitted to each other so that the flanges overlap each other, and
An elastic connecting metal fitting which has a substantially annular shape with an end as a whole and has a notch for inserting the pipe in a direction perpendicular to the axis between the end parts and an engaging groove for engaging the flange along the circumferential direction. Is elastically fitted to the pipe through the notch, and in the pipe connection structure for connecting the pipes, the ends of the elastic connection fittings extend toward the outer peripheral surface of the flange in the fitted state. Providing elastic engagement claws,
A pipe connection structure, wherein the elastic engaging claw is engaged with an outer peripheral surface of the flange in a detaching direction of the elastic connecting fitting in a mounted state of the elastic connecting fitting.
【請求項2】 請求項1の配管接続構造において、前記
弾性接続金具の各端部が末広がり状に湾屈曲した形態を
成していて、それら各端部により前記配管の挿通を案内
するガイド部が構成されており、且つ前記弾性係合爪が
該ガイド部の一部を成すように該端部とほぼ同方向に延
出形成されていることを特徴とする配管接続構造。
2. The pipe connection structure according to claim 1, wherein each end of the elastic connection fitting is bent in a divergent shape, and a guide portion for guiding the insertion of the pipe by each end. And the elastic engagement claw is formed to extend in substantially the same direction as the end so as to form a part of the guide portion.
【請求項3】 請求項1の配管接続構造において、前記
フランジの外周面にローレット状の凹凸加工が施されて
いることを特徴とする配管接続構造。
3. The pipe connection structure according to claim 1, wherein the outer peripheral surface of the flange is knurled.
JP6073926A 1994-03-17 1994-03-17 Piping connection structure Expired - Fee Related JP2897908B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6073926A JP2897908B2 (en) 1994-03-17 1994-03-17 Piping connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6073926A JP2897908B2 (en) 1994-03-17 1994-03-17 Piping connection structure

Publications (2)

Publication Number Publication Date
JPH07260071A true JPH07260071A (en) 1995-10-13
JP2897908B2 JP2897908B2 (en) 1999-05-31

Family

ID=13532242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6073926A Expired - Fee Related JP2897908B2 (en) 1994-03-17 1994-03-17 Piping connection structure

Country Status (1)

Country Link
JP (1) JP2897908B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002508483A (en) * 1997-12-16 2002-03-19 アイティーティー・マニュファクチャリング・エンタープライジズ・インコーポレーテッド One-way valve quick connector for fuel tank
JP2007321872A (en) * 2006-05-31 2007-12-13 Sekisui Chem Co Ltd Pipe fitting and pipe connection structure
JP2008261467A (en) * 2007-04-13 2008-10-30 Kitz Corp Joint locking tool and joint structure
JP2012255490A (en) * 2011-06-09 2012-12-27 Sekisui Chem Co Ltd Pipe joint
JP2015206405A (en) * 2014-04-21 2015-11-19 株式会社タカギ Joint
CN111051752A (en) * 2017-09-07 2020-04-21 东京流量仪器仪表株式会社 Flow control unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009014111A (en) * 2007-07-05 2009-01-22 Regal Joint Co Ltd Pipe joint

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002508483A (en) * 1997-12-16 2002-03-19 アイティーティー・マニュファクチャリング・エンタープライジズ・インコーポレーテッド One-way valve quick connector for fuel tank
JP2007321872A (en) * 2006-05-31 2007-12-13 Sekisui Chem Co Ltd Pipe fitting and pipe connection structure
JP2008261467A (en) * 2007-04-13 2008-10-30 Kitz Corp Joint locking tool and joint structure
JP2012255490A (en) * 2011-06-09 2012-12-27 Sekisui Chem Co Ltd Pipe joint
JP2015206405A (en) * 2014-04-21 2015-11-19 株式会社タカギ Joint
CN111051752A (en) * 2017-09-07 2020-04-21 东京流量仪器仪表株式会社 Flow control unit

Also Published As

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