JP2001208265A - Quick connector for fuel piping equipment - Google Patents

Quick connector for fuel piping equipment

Info

Publication number
JP2001208265A
JP2001208265A JP2000018821A JP2000018821A JP2001208265A JP 2001208265 A JP2001208265 A JP 2001208265A JP 2000018821 A JP2000018821 A JP 2000018821A JP 2000018821 A JP2000018821 A JP 2000018821A JP 2001208265 A JP2001208265 A JP 2001208265A
Authority
JP
Japan
Prior art keywords
tube
pipe
tube connecting
quick connector
fuel piping
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
JP2000018821A
Other languages
Japanese (ja)
Other versions
JP4535544B2 (en
Inventor
Shinichi Nagai
真一 長井
Takeshi Dokochi
武 堂河内
Nen Hirota
念 広田
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.)
Nitta Moore Co
Original Assignee
Nitta Moore Co
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 Nitta Moore Co filed Critical Nitta Moore Co
Priority to JP2000018821A priority Critical patent/JP4535544B2/en
Publication of JP2001208265A publication Critical patent/JP2001208265A/en
Application granted granted Critical
Publication of JP4535544B2 publication Critical patent/JP4535544B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a quick connector for a fuel piping equipment facilitating the attachment/detachment of a tube connecting pipe to the fuel pipe apparatus and positioning the tube connecting direction in the prescribed direction. SOLUTION: This quick connector is provided with a support pipe provided inside a fuel piping equipment NK, the tube connecting pipe 1 inserted in the support pipe 4, a plurality of elastic arms 2 provided in an external wall face of the tube connecting pipe 1 and pushed in the inside direction, a lock claw 20 provided outside a free end side of the elastic arm 2, and a lock body 3 provided in a position opposed to the lock claw 20 in the planar view in the outside face of the equipment NK. In the case that a vertical pipe 1b of the tube connecting pipe 1 is inserted into the support pipe 4 by a prescribed amount, the lock claw 20 is engaged with the lock body 3 so as to prevent the tube connecting pipe 1 from rotating and being pulled out, and the elastic arm 2 is pushed in the inside direction so that the engagement state is released.

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、燃料配管経路中
のタンクやレギュレータに設けられるクイックコネクタ
(この明細書では燃料配管機器用クイックコネクタとい
う)に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a quick connector (hereinafter, referred to as a quick connector for fuel piping equipment) provided in a tank or a regulator in a fuel pipe route.

【0002】[0002]

【従来の技術】自動車の燃料タンクには、通常図7に示
すように、タンク本体Tの外面にL字型のチューブ接続
管9を具備させてあり、前記チューブ接続管9に接続さ
れたチューブを介して燃料が他の機器等に移送されるよ
うにしてある。
2. Description of the Related Art As shown in FIG. 7, a fuel tank of an automobile generally has an L-shaped tube connecting pipe 9 on an outer surface of a tank body T, and a tube connected to the tube connecting pipe 9. The fuel is transferred to other equipment via the.

【0003】しかしながら、従来のチューブ接続管9は
図7に示すようにタンク本体Tと一体的になっているこ
とから、チューブ接続管9にチューブを接続するのが困
難である。つまり、チューブのチューブ接続管9への圧
入接続は、比較的大がかりな装置により行う必要があ
り、チューブ接続管9が比較的大きなタンク本体Tのよ
うな燃料配管機器に一体的になっているものでは、非常
に接続作業がやりずらいのである。
However, since the conventional tube connecting pipe 9 is integrated with the tank body T as shown in FIG. 7, it is difficult to connect a tube to the tube connecting pipe 9. That is, the press-fit connection of the tube to the tube connection pipe 9 needs to be performed by a relatively large device, and the tube connection pipe 9 is integrated with a fuel piping device such as a relatively large tank body T. Then, connection work is very difficult.

【0004】そこで、上記問題を解決するため、チュー
ブが接続される接続管部分を着脱できるようにしたクイ
ックコネクタが開発されている(特開平9−42090
号公報)。
In order to solve the above problem, a quick connector has been developed in which a connecting tube portion to which a tube is connected can be attached and detached (JP-A-9-42090).
No.).

【0005】このものは、図8に示すように、抜け止め
具80を介してチューブ接続管81をタンク本体Tに取り付
けて成るもので、前記抜け止め具80を取り外すことによ
り前記タンク本体Tからチューブ接続部管81が取り外せ
るようになっている。
As shown in FIG. 8, a tube connecting pipe 81 is attached to a tank body T via a stopper 80, and the stopper 80 is removed from the tank body T by removing the stopper 80. The tube connection tube 81 can be removed.

【0006】接続管81は、図8や図9に示すように、横
管81aと縦管81bとから成るL字型に形成されており、
前記縦管81bの中程にはフランジ81cを設けてある。
As shown in FIGS. 8 and 9, the connecting pipe 81 is formed in an L-shape including a horizontal pipe 81a and a vertical pipe 81b.
A flange 81c is provided in the middle of the vertical pipe 81b.

【0007】タンク本体Tは、図8や図9に示すよう
に、タンク内面に垂設され且つタンクの内外を連通させ
る円管82と、タンク外面に設けられた支持部83, 83と、
円管82の上端内面に設けられたシールリング84を具備さ
せてある。
As shown in FIGS. 8 and 9, the tank main body T is provided with a circular pipe 82 which is suspended from the inside of the tank and communicates between the inside and outside of the tank, and support portions 83, 83 provided on the outside of the tank.
A seal ring 84 provided on the inner surface of the upper end of the circular pipe 82 is provided.

【0008】抜け止め具80は、図9や図10に示すよう
に、縦管81bのフランジ81cを押さえ込むC型部80a
と、上記支持部83, 83によって位置決め保持される腕部
80b,80bと、引き抜き操作部80cとを有するものであ
り、弾性部材により一体的に形成されている。
As shown in FIGS. 9 and 10, the stopper 80 is a C-shaped portion 80a for holding down a flange 81c of a vertical pipe 81b.
And an arm positioned and held by the support portions 83, 83
80b, 80b and a pull-out operation section 80c, which are integrally formed by an elastic member.

【0009】このクイックコネクタでは、チューブ接続
管81をタンク本体Tに組み付ける場合、フランジ81cが
タンク外面に接触するまで縦管81bを円管82内に挿入
し、この状態でC型部80aが縦管81bに外挿されるま
で、腕部80b,80bが支持部83,83に支持されるまで、
抜け止め具80を押し込む。逆にチューブ接続管81をタン
ク本体Tから取り外す場合には引き抜き操作部80cを利
用して抜け止め具80をチューブ接続管81及び支持部83,
83から取り外し、その後円管82からチューブ接続管81を
引き抜く。
In this quick connector, when assembling the tube connecting pipe 81 to the tank body T, the vertical pipe 81b is inserted into the circular pipe 82 until the flange 81c contacts the tank outer surface. Until the arms 80b, 80b are supported by the support portions 83, 83 until they are extrapolated to the tube 81b,
Push the stopper 80. Conversely, when removing the tube connecting pipe 81 from the tank body T, the pull-out operation part 80c is used to remove the stopper 80 from the tube connecting pipe 81 and the support part 83,
Remove from 83, and then pull out tube connecting tube 81 from circular tube 82.

【0010】しかしながら、このクイックコネクタで
は、タンク本体Tに対するチューブ接続管81の組み付け
及び取り外しに二つの動作が必要となると共に、抜け止
め具80の取り付け及び取り外しが困難であることから、
非常に面倒であった。また、タンク本体Tからチューブ
接続管81を取り外した際に抜け止め具80を紛失するとい
う問題もある。さらに、チューブ接続方向にバラツキが
できてしまう。
However, in this quick connector, two operations are required for assembling and removing the tube connecting pipe 81 with respect to the tank body T, and it is difficult to attach and remove the stopper 80.
It was very troublesome. There is also a problem that the stopper 80 is lost when the tube connecting pipe 81 is removed from the tank body T. Further, the tube connection direction varies.

【0011】したがって、自動車業界では、燃料配管
機器へのチューブ接続管の着脱が容易であり、チュー
ブ接続方向を所定方向に位置決めできず、燃料配管機
器へのチューブ接続管の着脱作業時に部品を紛失するこ
とがない燃料配管機器用クイックコネクタが開発される
ことを待ち望んでいる。
Therefore, in the automobile industry, it is easy to attach / detach the tube connecting pipe to / from the fuel piping equipment, and it is not possible to position the tube connecting direction in a predetermined direction, and parts are lost when attaching / detaching the tube connecting pipe to / from the fuel piping equipment. We look forward to the development of a quick connector for fuel piping equipment that does not have to do so.

【0012】[0012]

【発明が解決しようとする課題】そこで、この発明で
は、燃料配管機器へのチューブ接続管の着脱が容易で
あり、チューブ接続方向を所定方向に位置決めでき、
燃料配管機器へのチューブ接続管の着脱作業時に部品
を紛失することがない燃料配管機器用クイックコネクタ
を提供することを課題とする。
Therefore, according to the present invention, the tube connecting pipe can be easily attached to and detached from the fuel piping equipment, and the tube connecting direction can be positioned in a predetermined direction.
It is an object of the present invention to provide a quick connector for a fuel piping device which does not lose parts at the time of attaching / detaching a tube connecting pipe to / from a fuel piping device.

【0013】[0013]

【課題を解決するための手段】(請求項1記載の発明)
この発明の燃料配管機器用クイックコネクタは、燃料配
管機器の内面に設けられ且つ燃料配管機器の内外を連通
させる支持管と、前記支持管内に挿入されるチューブ接
続管と、前記チューブ接続管の外壁面に設けられ且つ内
側方向に押し込み可能な複数の弾性腕と、前記弾性腕の
自由端側の外面に設けられた係止爪と、燃料配管機器の
外面に平面視で係止爪と対応させた位置に設けられた係
止体とを具備し、チューブ接続管の縦管が支持管に所定
量挿入された状態ではチューブ接続管は回転不能に且つ
抜け止め状態になるべく係止爪が係止体と係合状態とな
り、弾性腕を内側方向に押し込むことにより前記係合状
態は解除されるようになっている。 (請求項2記載の発明)この発明の燃料配管機器用クイ
ックコネクタは、上記請求項1記載の発明に関し、支持
管とチューブ接続管の縦管との間の流体密性を確保する
シールリングを具備させてある。 (請求項3記載の発明)この発明の燃料配管機器用クイ
ックコネクタは、上記請求項1又は2記載の発明に関
し、チューブ接続管が、L字状に形成されている。
Means for Solving the Problems (Invention of Claim 1)
A quick connector for a fuel piping device according to the present invention includes a support tube provided on an inner surface of the fuel piping device and communicating between the inside and the outside of the fuel piping device, a tube connection tube inserted into the support tube, and an outside of the tube connection tube. A plurality of elastic arms provided on a wall surface and capable of being pushed inward, a locking claw provided on an outer surface on a free end side of the elastic arm, and a locking claw on the outer surface of the fuel pipe device in plan view. And a locking claw is provided at a predetermined position, and when the vertical pipe of the tube connecting pipe is inserted into the supporting pipe by a predetermined amount, the locking claw is locked so that the tube connecting pipe cannot be rotated and cannot be removed. The engagement state is established with the body, and the engagement state is released by pushing the elastic arm inward. (Invention according to claim 2) The quick connector for a fuel piping device according to the invention relates to the invention according to the above-mentioned claim 1, and further includes a seal ring for ensuring fluid tightness between the support pipe and the vertical pipe of the tube connecting pipe. I have it. (Invention of Claim 3) A quick connector for a fuel piping device according to the present invention relates to the invention of Claim 1 or 2, wherein the tube connecting pipe is formed in an L-shape.

【0014】なお、上記した発明の燃料配管機器用クイ
ックコネクタの機能については以下の発明の実施の形態
の欄で説明する。
The function of the quick connector for fuel piping equipment of the invention described above will be described in the following embodiments of the invention.

【0015】[0015]

【発明の実施の形態】以下、この発明を実施形態として
示した図面に従って説明する。 (実施形態1)図1は燃料配管機器用クイックコネクタ
の外観斜視図であり、図3は前記クイックコネクタを半
断面した正面図である。〔燃料配管機器用クイックコネクタの全体構成につい
て〕 この燃料配管機器用クイックコネクタは、図1や図
3に示すように、燃料配管機器NKの外面に一体化された
係止体3と、燃料配管機器NKの内面に一体化され且つ燃
料配管機器NKの内外を連通させる支持管4と、前記支持
管4内に挿入されるチューブ接続管1と、前記チューブ
接続管1に設けられ且つ内側方向に押し込み可能な一対
の弾性腕2と、前記弾性腕2の自由端側の外面に設けら
れた係止爪20とを具備するものとしてある。〔燃料配管機器用クイックコネクタの主要部材の構成に
ついて〕 チューブ接続管1は、図2や図3に示すよう
に、横管1aに縦管1bを連結して成るものであり、全体と
してはL字状に形成されている。ここで、横管1aは、図
2に示す如く、接続したチューブが不用意に外れないよ
うにするため外面を所謂「タケノコ」形状としてあり、
また、縦管1bは、図3に示すように、下域内面にシール
リングSLを装着した円筒管により形成してある。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the drawings showing embodiments. (Embodiment 1) FIG. 1 is an external perspective view of a quick connector for a fuel piping device, and FIG. 3 is a front view of the quick connector in a half section. [About the overall configuration of the quick connector for fuel piping equipment
As shown in FIGS. 1 and 3, the quick connector for a fuel piping device includes a locking member 3 integrated on the outer surface of the fuel piping device NK, and a locking member 3 integrated on the inner surface of the fuel piping device NK. A support pipe 4 for communicating between the inside and the outside of the piping device NK, a tube connection pipe 1 inserted into the support pipe 4, a pair of elastic arms 2 provided in the tube connection pipe 1 and capable of being pushed inward; A locking claw 20 provided on the outer surface of the elastic arm 2 on the free end side. [In the configuration of the main components of the quick connector for fuel piping equipment
As shown in FIGS. 2 and 3, the tube connecting tube 1 is formed by connecting a vertical tube 1b to a horizontal tube 1a, and is formed in an L-shape as a whole. Here, as shown in FIG. 2, the outer surface of the horizontal tube 1a has a so-called "bamboo shoot" shape so that the connected tube does not come off accidentally.
Further, as shown in FIG. 3, the vertical pipe 1b is formed by a cylindrical pipe having a seal ring SL attached to the inner surface of the lower region.

【0016】弾性腕2は、図1や図3に示すように、縦
管1bの上端に設けた張出鍔から180°間隔で垂下させ
てあり、これの自由端の外面に係止爪20を設けてある。
なお、係止爪20は、図3に示すように、外面壁20aは燃
料配管機器NKに向かって内側に傾斜するように設定して
ある。
As shown in FIGS. 1 and 3, the elastic arm 2 is suspended at 180 ° intervals from a projecting flange provided at the upper end of the vertical tube 1b. Is provided.
As shown in FIG. 3, the locking claw 20 is set so that the outer wall 20a is inclined inward toward the fuel piping device NK.

【0017】ここで、この実施形態では、図1や図3に
示すように、前記張出鍔における弾性腕2と対応する部
分に円弧状の貫通孔21を設けてあるが、これは弾性腕
2,2を親指と人差し指で摘んで容易に内側へ湾曲でき
るようにするためである。
Here, in this embodiment, as shown in FIGS. 1 and 3, an arc-shaped through hole 21 is provided in a portion of the overhanging flange corresponding to the elastic arm 2. This is because the fingers 2 and 2 can be picked up with the thumb and the index finger and can be easily bent inward.

【0018】係止体3は、図2や図3に示すように、断
面四角形の円形状のリング30と、前記リング30に180
°間隔で設けた一対の開口31,31を具備するものであ
り、燃料配管機器NKの外面に一体化されている。そし
て、前記開口31の高さ及び幅は、図1や図3に示すよう
に、係止爪20のそれよりもごく僅かに大きく設定してあ
る。
As shown in FIG. 2 and FIG. 3, the locking body 3 has a circular ring 30 having a square cross section and a 180
It has a pair of openings 31, 31 provided at an interval of ° and is integrated with the outer surface of the fuel piping device NK. The height and width of the opening 31 are set to be slightly larger than those of the locking claw 20, as shown in FIGS.

【0019】支持管4は、図2や図3に示すように、燃
料配管機器NKの内面に一体化された断面U字状のもの
(二重構造)であり、燃料配管機器NKの内外を連通させ
る役目と、これに挿入されるチューブ接続管1の縦管1b
を支持する役目とを具備させてある。なお、この実施形
態の支持管4は詳細には、外円管40と内円管41とこれら
相互を繋ぐ下端接続部42とから構成され、外管40と内管
41との間の隙間がチューブ接続管1の縦管1bが挿入され
る部分となる。〔燃料配管機器NKに対するチューブ接続管1の組み付け
及び取り外しについて〕 組み付け チューブ接続管1の縦管1bを支持管4に挿入していく
と、係止爪20の外壁面20aが係止体3と当接して弾性腕
2は内側に弾性変形せしめられていく。
As shown in FIGS. 2 and 3, the support pipe 4 has a U-shaped cross section (double structure) integrated with the inner surface of the fuel piping device NK. The role of communication and the vertical pipe 1b of the tube connecting pipe 1 inserted into this
And a role of supporting The support pipe 4 of this embodiment is composed of an outer pipe 40, an inner pipe 41, and a lower end connecting portion 42 connecting these pipes to each other.
The gap between the tube connecting tube 41 and the tube connecting tube 41 is a portion where the vertical tube 1b of the tube connecting tube 1 is inserted. [Assembly of tube connection pipe 1 to fuel piping equipment NK
When the vertical pipe 1b of the tube connecting pipe 1 is inserted into the support pipe 4, the outer wall surface 20a of the locking claw 20 comes into contact with the locking body 3, and the elastic arm 2 is elastically deformed inward. It is being done.

【0020】係止爪20が係止体3の開口31に位置する
と、その時点で弾性腕2は弾性復帰力により広がり、図
3に示すように係止爪20は係止体3の開口31を構成する
上壁面と係止状態となる。この状態では、シールリング
SLの存在により内管41の外面と縦管1bとの間の流体密性
は確保されており、燃料が外部に漏れることはない。
When the locking claw 20 is positioned at the opening 31 of the locking body 3, the elastic arm 2 spreads at that time due to the elastic restoring force, and as shown in FIG. Is locked with the upper wall surface. In this state, the seal ring
The fluid tightness between the outer surface of the inner tube 41 and the vertical tube 1b is ensured by the presence of the SL, and the fuel does not leak to the outside.

【0021】なお、この実施形態のクイックコネクタで
は、開口31の高さ及び幅を係止爪20のそれよりもごく僅
かに大きく設定してあるのみだから、チューブ接続管1
の横管1aの方向は所定の方向となり、チューブ接続方向
を所定方向に位置決めできる。 取り外し 弾性腕2,2を親指と人差し指で挟み込んで内側へ湾曲
させると、係止爪20と係止環状体3との係止は解除され
る。この状態を維持しながら、チューブ接続管1を燃料
配管機器NKから引き離す方向に引っ張ると、チューブ接
続管1は燃料配管機器NKから外れる。 組み付け及び取り外しに共通すること 上記に示したように、片手で且つ一動作で、燃料配
管機器NKにチューブ接続管1を組み付けることができ且
つ燃料配管機器NKからチューブ接続管1を取り外すこと
ができる。
In the quick connector according to this embodiment, the height and width of the opening 31 are set to be slightly larger than those of the locking claw 20.
The direction of the horizontal tube 1a is a predetermined direction, and the tube connection direction can be positioned in the predetermined direction. Removal When the elastic arms 2 and 2 are pinched between the thumb and the index finger and bent inward, the locking between the locking claw 20 and the locking ring 3 is released. When the tube connecting pipe 1 is pulled in a direction in which the tube connecting pipe 1 is separated from the fuel piping equipment NK while maintaining this state, the tube connecting pipe 1 is detached from the fuel piping equipment NK. Common to assembly and removal As described above, the tube connection pipe 1 can be assembled to the fuel piping apparatus NK with one hand and one operation, and the tube connection pipe 1 can be removed from the fuel piping apparatus NK. .

【0022】つまり、燃料配管機器NKへのチューブ接続
管1の着脱が非常に容易である。 その他 チューブ接続管1以外に燃料配管機器NKから外れる部材
は存在しないから、従来の技術のもののように、組み付
け・取り外しの作業時に部品を紛失するようなことはな
い。また、部品点数が少ないことからコストダウンが図
れる。 (その他の実施形態) .図4に示すクイックコネクタは上記実施形態1のも
のとほぼ同様の構造であるが、支持管4が一つの円管か
ら構成されていると共に、前記支持管4の内面に装着さ
れたシールリングSLにより、支持管4と縦管1bとの間の
流体密性が確保されている。 .図5や図6に示すクイックコネクタは上記実施形態
1のものとほぼ同様の構造であるが、一つのリング形状
の係止体3を採用せずに、二分割された係止体3a3a(各
3aにはそれぞれ係止爪20とほぼ同一の高さ及び幅を有し
た開口31を持つ)を採用している。 .支持管4は、燃料配管機器NKに一体形成又は後付け
したものとすることができる。 .上記実施形態では、チューブ接続管1はL字形状の
ものとしてあるが、直管とすることもできる。 .上記した燃料配管機器NKには、タンクやレギュレー
タ等が挙げられる。
That is, it is very easy to attach and detach the tube connecting pipe 1 to and from the fuel piping equipment NK. Others Since there is no member other than the tube connecting pipe 1 that comes off the fuel piping device NK, there is no loss of parts at the time of assembling / removing work as in the prior art. Further, the cost can be reduced because the number of parts is small. (Other Embodiments) The quick connector shown in FIG. 4 has substantially the same structure as that of the first embodiment, except that the support tube 4 is formed of a single circular tube, and the seal ring SL attached to the inner surface of the support tube 4. Thereby, fluid tightness between the support pipe 4 and the vertical pipe 1b is ensured. . The quick connector shown in FIGS. 5 and 6 has substantially the same structure as that of the above-described first embodiment, but does not employ one ring-shaped locking body 3 but divides into two locking bodies 3a3a (each
3a has an opening 31 having substantially the same height and width as the locking claw 20). . The support pipe 4 may be integrally formed with or attached to the fuel piping device NK. . In the above embodiment, the tube connection pipe 1 is L-shaped, but may be a straight pipe. . The above-described fuel piping device NK includes a tank, a regulator, and the like.

【0023】[0023]

【発明の効果】この発明は上記のような構成であるから
次の効果を有する。
The present invention has the following effects since it has the above-described configuration.

【0024】発明の実施の形態の欄から明らかなよう
に、燃料配管機器へのチューブ接続管の着脱が容易で
あり、チューブ接続方向を所定方向に位置決めでき、
燃料配管機器へのチューブ接続管の着脱作業時に部品
を紛失することがない燃料配管機器用クイックコネクタ
を提供できた。
As is clear from the description of the embodiment of the invention, the tube connecting pipe can be easily attached to and detached from the fuel piping equipment, and the tube connecting direction can be positioned in a predetermined direction.
A quick connector for a fuel piping device can be provided which does not lose parts at the time of attaching / detaching a tube connecting pipe to / from a fuel piping device.

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

【図1】この発明の実施形態1の燃料配管機器用クイッ
クコネクタの外観斜視図。
FIG. 1 is an external perspective view of a quick connector for a fuel piping device according to a first embodiment of the present invention.

【図2】前記クイックコネクタにおける、係止環状体か
らチューブ接続管を取り外した状態を示す斜視図。
FIG. 2 is a perspective view of the quick connector, showing a state in which a tube connecting tube has been removed from a locking annular body.

【図3】前記クイックコネクタを半断面した正面図。FIG. 3 is a front view of the quick connector in a half section.

【図4】この発明の他の実施形態の燃料配管機器用クイ
ックコネクタを半断面した正面図。
FIG. 4 is a half sectional front view of a quick connector for a fuel piping device according to another embodiment of the present invention.

【図5】他の実施形態の係止環状体の斜視図。FIG. 5 is a perspective view of a locking ring according to another embodiment.

【図6】他の実施形態の係止環状体の斜視図。FIG. 6 is a perspective view of a locking ring according to another embodiment.

【図7】チューブ接続管を有するタンクの要部の断面
図。
FIG. 7 is a sectional view of a main part of a tank having a tube connecting pipe.

【図8】先行技術の燃料配管機器用クイックコネクタの
要部の断面図。
FIG. 8 is a sectional view of a main part of a prior art quick connector for fuel piping equipment.

【図9】先行技術のクイックコネクタの平面図。FIG. 9 is a plan view of a prior art quick connector.

【図10】先行技術のクイックコネクタに使用されている
抜け止め具の平面図。
FIG. 10 is a plan view of a stopper used in a quick connector of the prior art.

【符号の説明】[Explanation of symbols]

NK 燃料配管機器 SL シールリング 1 チューブ接続管 1a 横管 1b 縦管 2 弾性腕 3 係止環状体 4 支持管 20 係止爪 NK Fuel piping equipment SL Seal ring 1 Tube connection pipe 1a Horizontal pipe 1b Vertical pipe 2 Elastic arm 3 Locking ring 4 Support pipe 20 Locking claw

───────────────────────────────────────────────────── フロントページの続き (72)発明者 広田 念 三重県名張市八幡1300番45 ニッタ・ムア ー株式会社名張工場内 Fターム(参考) 3J106 AB01 BA02 BA03 BB07 BC04 BD01 BE30 CA07 EA03 EB03 EC01 EC06 ED06 EE02 EF04 EF05 EF15  ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor, Hironori Hirota 1300-45, Yawata, Nabari-shi, Mie Nita Moore Co., Ltd. Nabari Plant F-term (reference) 3J106 AB01 BA02 BA03 BB07 BC04 BD01 BE30 CA07 EA03 EB03 EC01 EC06 ED06 EE02 EF04 EF05 EF15

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 燃料配管機器の内面に設けられ且つ燃料
配管機器の内外を連通させる支持管と、前記支持管内に
挿入されるチューブ接続管と、前記チューブ接続管の外
壁面に設けられ且つ内側方向に押し込み可能な複数の弾
性腕と、前記弾性腕の自由端側の外面に設けられた係止
爪と、燃料配管機器の外面に平面視で係止爪と対応させ
た位置に設けられた係止体とを具備し、チューブ接続管
の縦管が支持管に所定量挿入された状態ではチューブ接
続管は回転不能に且つ抜け止め状態になるべく係止爪が
係止体と係合状態となり、弾性腕を内側方向に押し込む
ことにより前記係合状態は解除されるようになっている
ことを特徴とする燃料配管機器用クイックコネクタ。
1. A support pipe provided on an inner surface of a fuel pipe device and communicating between the inside and the outside of the fuel pipe device, a tube connection tube inserted into the support tube, and an inner wall provided on an outer wall surface of the tube connection tube A plurality of elastic arms that can be pushed in the direction, a locking claw provided on the outer surface on the free end side of the elastic arm, and a locking claw provided on the outer surface of the fuel piping device at a position corresponding to the locking claw in plan view. When the vertical tube of the tube connecting tube is inserted into the support tube by a predetermined amount, the tube connecting tube is locked with the locking member so that the tube connecting tube cannot rotate and is prevented from falling out. A quick connector for a fuel piping device, wherein the engagement state is released by pushing an elastic arm inward.
【請求項2】 支持管とチューブ接続管の縦管との間の
流体密性を確保するシールリングを具備させてあること
を特徴とする請求項1記載の燃料配管機器用クイックコ
ネクタ。
2. The quick connector according to claim 1, further comprising a seal ring for ensuring fluid tightness between the support pipe and the vertical pipe of the tube connecting pipe.
【請求項3】 チューブ接続管が、L字状に形成されて
いることを特徴とする請求項1又は2記載の燃料配管機
器用クイックコネクタ。
3. The quick connector for a fuel piping device according to claim 1, wherein the tube connecting pipe is formed in an L shape.
JP2000018821A 2000-01-27 2000-01-27 Quick connector for fuel piping equipment Expired - Lifetime JP4535544B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000018821A JP4535544B2 (en) 2000-01-27 2000-01-27 Quick connector for fuel piping equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000018821A JP4535544B2 (en) 2000-01-27 2000-01-27 Quick connector for fuel piping equipment

Publications (2)

Publication Number Publication Date
JP2001208265A true JP2001208265A (en) 2001-08-03
JP4535544B2 JP4535544B2 (en) 2010-09-01

Family

ID=18545612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000018821A Expired - Lifetime JP4535544B2 (en) 2000-01-27 2000-01-27 Quick connector for fuel piping equipment

Country Status (1)

Country Link
JP (1) JP4535544B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7857359B2 (en) * 2007-02-09 2010-12-28 Modine Manufacturing Company Quick connector for a heat exchanger, such as a radiator
KR101052007B1 (en) * 2009-10-23 2011-07-28 현담산업 주식회사 Quick Connector for Fuel Filter
US20220213854A1 (en) * 2021-01-05 2022-07-07 Coavis Fuel pump module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7857359B2 (en) * 2007-02-09 2010-12-28 Modine Manufacturing Company Quick connector for a heat exchanger, such as a radiator
KR101052007B1 (en) * 2009-10-23 2011-07-28 현담산업 주식회사 Quick Connector for Fuel Filter
US20220213854A1 (en) * 2021-01-05 2022-07-07 Coavis Fuel pump module
US11585302B2 (en) * 2021-01-05 2023-02-21 Coavis Fuel pump module

Also Published As

Publication number Publication date
JP4535544B2 (en) 2010-09-01

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