WO2005116509A1 - クイックコネクタ - Google Patents
クイックコネクタ Download PDFInfo
- Publication number
- WO2005116509A1 WO2005116509A1 PCT/JP2005/008966 JP2005008966W WO2005116509A1 WO 2005116509 A1 WO2005116509 A1 WO 2005116509A1 JP 2005008966 W JP2005008966 W JP 2005008966W WO 2005116509 A1 WO2005116509 A1 WO 2005116509A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- tube
- retainer
- quick connector
- spool portion
- Prior art date
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 16
- 230000013011 mating Effects 0.000 claims abstract description 5
- 238000012790 confirmation Methods 0.000 claims description 36
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/098—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
- F16L37/0985—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks the flexible hook extending radially inwardly from an outer part and engaging a bead, recess or the like on an inner part
- F16L37/0987—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks the flexible hook extending radially inwardly from an outer part and engaging a bead, recess or the like on an inner part the flexible hook being progressively compressed by axial tensile loads acting on the coupling
-
- 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
- F16L2201/00—Special arrangements for pipe couplings
- F16L2201/10—Indicators for correct coupling
Definitions
- the present invention relates to a quick connector used to connect tubes in various pipes including a fuel supply pipe of an automobile.
- a tight connector is widely used as a pipe joint for connecting a fuel tube.
- This quick connector is attached to one end of the tube, the other tube to be connected is inserted into the housing of the quick connector, and then the retainer is pushed in so that the tube can be easily connected with one touch without using bolts or other fastening elements. They can be connected to each other.
- Typical conventional techniques of quick connectors include those described in Patent Documents 1 and 2.
- a spool portion 3 orbiting around an outer peripheral portion is formed at the end of a counterpart tube 2 to be connected with this type of quick connector by a terminal cap.
- the quick connector it is a force to insert the tube 2 into the housing 4 first and then push the retainer 5 in the correct connection order.
- the retainer 5 is often pushed first. is there.
- the spool portion 3 comes into contact with the edge 6b opposite to the edge 6a of the rib 6 of the retainer 5, and the tube 2 is further inserted.
- Cannot be performed resulting in a state of incomplete connection.
- the end of the tube 2 is prevented from reaching the O-ring 7 when it is in an incompletely connected state, so that the incompletely connected state can be determined by the leakage of the fluid at the time of a leak test. And then.
- connection confirmation member is used separately from the retainer, and the connection confirmation member cannot be easily removed unless the mating tube is fully inserted to the complete coupling position and coupled with the retainer.
- Patent Document 1 U.S. Pat.No. 5,542,716
- Patent Document 3 JP-A-11-230456
- the quick connector force is also reduced by pulling the connection confirmation member only when the mating tube is inserted into a position where it is completely connected to the retainer. In the case of incomplete connection, when the connection confirmation member is to be pulled out, it will be broken on the way.
- connection confirmation member For this reason, a check is performed by the connection confirmation member, and if there is an incompletely connected state, the connection confirmation member cannot be used again. Further, since the connection confirmation member is pulled out, there is a problem that the workability when checking the connection state is extremely poor depending on conditions such as a place where the tube is connected in a narrow space.
- an object of the present invention is to solve the above-mentioned problems of the prior art and to use a connection confirming member to determine whether or not the terminal of the other tube has been inserted to the completely connected position and completely locked by the retainer.
- An object of the present invention is to provide a tight connector that can be repeatedly checked and has good operability.
- the present invention provides a housing in which a terminal of a counterpart tube having a spool portion is inserted, and a housing in which the spool portion is restrained by a locking claw and the counterpart tube and the housing are connected.
- the coupling confirmation member is connected with the coupling confirmation member.
- the present invention provides a housing in which a terminal of a counterpart tube having a spool portion is inserted, and a housing in which the spool portion is restrained by a locking claw and the counterpart tube is connected.
- the coupling confirmation member is a U-shaped member having a pair of hooks facing each other at the ends of a pair of legs so that it can be locked in a hook hole on the side surface of the housing.
- the present invention it is possible to repeatedly check whether or not the end of the counterpart tube is inserted to the completely connected position and completely locked by the retainer by checking whether or not the connection confirmation member can be pushed in, and the operability is also improved. It is good because it is a push-in type.
- FIG. 1 is an exploded perspective view of a quick connector according to an embodiment of the present invention.
- FIG. 2 is a side view of the quick connector.
- FIG. 3 is a side view of the quick connector with a connection confirmation member temporarily assembled.
- FIG. 4 is a cross-sectional view of a quick connector temporarily assembled with a connection confirmation member.
- FIG. 5 is a partial cross-sectional side view of the quick connector in a completely connected state.
- FIG. 6 is a side view of the quick connector in a completely connected state.
- FIG. 7 is a cross-sectional view of a quick connector showing another modification of the connection confirmation member.
- FIG. 8 is a longitudinal sectional view of a conventional quick connector.
- FIG. 1 is an exploded view of a quick connector according to an embodiment of the present invention
- FIG. 2 is a side view of a housing of the quick connector.
- reference numeral 10 indicates a quick connector.
- 12 is a quick connector housing
- 16 is a retainer.
- the other tube 14 is a tube made of metal or resin, and is formed with a spool portion 15 that goes around the outer peripheral portion at a predetermined distance from the terminal by performing terminal processing.
- the quick connector 10 is configured so that when the retainer 16 is attached to the housing 12 and the other tube 14 is pushed in, the housing 12 and the tube 14 are connected by the retainer 16 with one touch. It is composed.
- the housing 12 of the quick connector 10 forms a female joint having an opening 20 into which the tube 14 of the other party is inserted, and a male tube to which a resin tube 17 can be attached by press fitting.
- the press-fit mounting part 18 is shaped like a body.
- the tube 17 may be a rubber tube.
- a stepped passage 21 is formed in the housing 12 so as to penetrate in the axial direction.
- the retainer 16 is a cylindrical plastic member composed of a ring portion 24 having substantially the same inner diameter as the outer diameter of the other tube 14 and side frame portions 25a and 25b.
- the side frame portions 25a and 25b are flexible enough to extend inward and outward of the radius, and lock claws 26a and 26b that are engaged with the spool portion 15 of the other tube 14 are integrally formed.
- Step portions 23a and 23b are formed on the outer surfaces of the lock claws 26a and 26b.
- the ring portion 24 is in the form of a closed ring.
- a U-shaped member having a partly opened portion is also used as the force ring portion 24 using the retainer 16 having a closed ring shape. Even if a retainer is used, the function of the retainer is equivalent.
- windows 27a and 27b are opened on the side surface of the housing 12 so as to correspond to the lock claws 26a and 26b. Therefore, the retainer 16 is connected to the tube ⁇ inlet 20 of the housing 12.
- the steps 23a, 23b of the lock claws 26a, 26b are detachably engaged with the edges on the inlet side of the windows 27a, 27b, so that they come off the housing 12. It can be mounted as follows.
- FIG. 3 shows a side surface of the housing 12 in a state where the connection confirmation member 28 is temporarily assembled.
- the connection confirmation member 28 is configured so that it cannot be pushed in unless the spool portion 15 of the counterpart tube 14 reaches a position where it engages with the tips of the lock claws 26a and 26b of the retainer 16.
- connection confirmation member 28 is a U-shaped member made of resin, and elongated leg portions 30a and 30b are suspended from both sides of the rectangular pressing portion 29 in parallel. ing. Hooks 31 are formed at the ends of the legs 30a and 30b so as to bend inward from each other.
- ribs 32a and 32b extending in the circumferential direction are formed. The ribs 32a and 32b maintain a distance exactly corresponding to the width of the legs 30a and 30b of the connection confirming member 28, and also regulate the forces on both sides of the legs 30a and 30b of the connection confirmation member 28, and The 30b is protected so that it does not come off, and it also serves as a guide for movement when pushing!
- a hook hole 34 is formed in which the hooks 31 of the legs 3Oa and 30b of the connection confirmation member 28 are respectively engaged.
- the hook 31 hits the lower edge of the hook hole 34 and is supported. It protrudes inside.
- the connection confirmation member 38 is to be pulled out, the hook portion 31 cannot be pulled out because of the hooking force of the hook portion 34 on the upper edge of the hooking hole 34.
- the hook portion 31 comes into contact with the spool portion 15 and is pushed halfway out of the hooking hole 34. In the pushing direction, the engagement between the hook portion 31 and the hooking hole 34 is released, but in the pulling direction, the tip of the hook portion 31 still retains the hooking force on the upper edge of the hooking hole 34. The engagement state of the hook hole 34 is maintained.
- the ribs 32 a and 32 b formed on the side surface of the housing 12 are formed over substantially the entire circumference of the housing 12 so as to correspond to the contour of the connection confirmation member 28.
- locking recesses 36 are formed at predetermined positions away from the hook holes 34, respectively.
- the quick connector according to the present embodiment is configured as described above. Next, its operation and effect will be described.
- the quick connector 10 of the present embodiment is provided to the customer as a product in which the connection confirmation member 28 is temporarily assembled to the housing 12 and further connected to the tube 17 in advance.
- the quick connector 10 when the quick connector 10 is used in a connection process of a fuel pipe for supplying fuel to an engine on an assembly line of an automobile, when inserting a metal tube 14 of a connection partner into the nosing 12, the following work is required. In this way, incomplete coupling can be reliably prevented.
- the spool portion 15 of the tube 14 reaches a lock position beyond the distal ends of the lock claws 26a, 26b of the retainer 16, as shown in FIG. .
- the lock claws 26a and 26b of the retainer 16 prevent the tube 14 from moving in the axial direction, and the housing 12 and the tube 14 are prevented from coming off.
- the spool portion 15 of the tube 14 hits and pushes out the hook portion 31 of the connection confirmation member 28 and pushes and expands the leg portions 30a and 30b. Is released from the catching hole 34 when pushed. Therefore, it is possible to easily push the finger by pressing the pressing part 29 of the connection checking member 28 with the finger, thereby confirming that the retainer 16 is completely connected to the spool part 15 of the tube 14. . Further, when pushing the connection confirming member 28, the ribs 32a and 32b are smoothly guided, and at the time of being completely pushed to the pushing position, as shown in FIG. Between 32b it is protected from becoming noticeable and from being damaged.
- connection checking member 28 can be operated by force if it is excellent in operability in a narrow place or the like as compared with the conventional pulling type. Since it will remain in the housing 12 as it is, the connection state will be repeatedly confirmed thereafter. Available for recognition.
- the coupling confirmation member 28 may be formed with a concave portion 35 on the outer surface of the hook portion 31, and the concave portion 35 may be engaged with the lower edge of the hook hole 34. .
- the connection confirming member 28 is pushed while the retainer 16 and the spool portion 15 are in an incompletely connected state due to insufficient insertion of the tube 14, the concave portion 35 of the hook portion 31 is formed with the catch hole 34.
- the hook portion 31 is less likely to be disengaged from the hook hole 34, and the incompletely connected state can be confirmed more reliably.
- a weakening portion 36 having a slit cut so as to break when a force exceeding a certain level is applied to the leg portions 30a, 30b in combination with the hook portions 32a, 32b may be provided.
- connection confirming member 28 As described above, if the connection confirming member 28 is strongly pushed in the incompletely connected state and the connection confirming member 28 is broken starting from the weakened portion 36, the failure, which is obvious to anyone, may cause the incomplete connection. The operator can be surely noticed that the connection is established.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/596,564 US7494156B2 (en) | 2004-05-25 | 2005-05-17 | Quick connector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-154462 | 2004-05-25 | ||
JP2004154462A JP4663254B2 (ja) | 2004-05-25 | 2004-05-25 | クイックコネクタ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005116509A1 true WO2005116509A1 (ja) | 2005-12-08 |
Family
ID=35450966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/008966 WO2005116509A1 (ja) | 2004-05-25 | 2005-05-17 | クイックコネクタ |
Country Status (4)
Country | Link |
---|---|
US (1) | US7494156B2 (ja) |
JP (1) | JP4663254B2 (ja) |
CN (1) | CN100585251C (ja) |
WO (1) | WO2005116509A1 (ja) |
Cited By (3)
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WO2007124818A1 (de) * | 2006-04-26 | 2007-11-08 | A. Raymond Et Cie | Fluidleitungskupplung |
WO2008040429A1 (de) * | 2006-10-04 | 2008-04-10 | A. Raymond Et Cie | Kupplungsteil für eine fluidleitungskupplung |
WO2024122109A1 (ja) * | 2022-12-05 | 2024-06-13 | 三桜工業株式会社 | クイックコネクタ |
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JP4011575B2 (ja) * | 2004-10-15 | 2007-11-21 | 三桜工業株式会社 | クイックコネクタ |
US7448653B2 (en) * | 2005-06-10 | 2008-11-11 | Value Plastics, Inc. | Female connector for releasable coupling with a male connector defining a fluid conduit |
US7806139B2 (en) * | 2006-01-20 | 2010-10-05 | Value Plastics, Inc. | Fluid conduit coupling assembly having male and female couplers with integral valves |
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USD654573S1 (en) | 2007-11-19 | 2012-02-21 | Value Plastics, Inc. | Female quick connect fitting |
JP2010054041A (ja) * | 2007-12-19 | 2010-03-11 | Nifco Inc | 結合確認機構 |
US8235426B2 (en) | 2008-07-03 | 2012-08-07 | Nordson Corporation | Latch assembly for joining two conduits |
US8540429B1 (en) * | 2009-02-13 | 2013-09-24 | SeeScan, Inc. | Snap-on pipe guide |
JP4798247B2 (ja) * | 2009-03-31 | 2011-10-19 | 株式会社デンソー | コネクタ |
FR2945100A1 (fr) * | 2009-04-30 | 2010-11-05 | Hutchinson | Raccord encliquetable entre un conduit de fluide et un embout rigide avec un dispositif temoin de connexion et procede de controle de cette connexion |
USD655393S1 (en) | 2009-06-23 | 2012-03-06 | Value Plastics, Inc. | Multi-port valve |
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USD649240S1 (en) | 2009-12-09 | 2011-11-22 | Value Plastics, Inc. | Male dual lumen bayonet connector |
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USD652511S1 (en) | 2011-02-11 | 2012-01-17 | Value Plastics, Inc. | Female body of connector for fluid tubing |
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JP5844231B2 (ja) | 2011-09-29 | 2016-01-13 | 豊田合成株式会社 | コネクタ |
US20130106097A1 (en) * | 2011-10-26 | 2013-05-02 | Kil Jae KIM | Structure for fastening outlet module of water purifier |
USD709612S1 (en) | 2011-12-23 | 2014-07-22 | Nordson Corporation | Female dual lumen connector |
DE102013102252A1 (de) | 2013-03-07 | 2014-09-11 | Fränkische Industrial Pipes GmbH & Co. KG | Steckverbindung für zwei Rohre und Verfahren zur Montage der Steckverbindung |
CN107002731B (zh) * | 2014-09-29 | 2020-09-08 | 特拉铁克股份有限公司 | 套管连接布置,两个套管的套管连接及其连接布置 |
US10107433B2 (en) * | 2016-04-05 | 2018-10-23 | Miniature Precision Components, Inc. | Quick connector assembly and method of establishing and ensuring a fluid-tight connection between conduits |
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USD838366S1 (en) | 2016-10-31 | 2019-01-15 | Nordson Corporation | Blood pressure connector |
KR102383330B1 (ko) * | 2016-11-02 | 2022-04-05 | 현대자동차주식회사 | 퀵 커넥터 |
US10816121B2 (en) * | 2017-05-09 | 2020-10-27 | Martinrea International US Inc. | Quick connect coupling with verifier |
BR112020001997A2 (pt) * | 2017-08-14 | 2020-08-18 | Oetiker Ny, Inc. | conexão rápida com aba indicadora |
US10704723B2 (en) * | 2017-09-20 | 2020-07-07 | Gates Corporation | Quick disconnect coupling |
US11199281B2 (en) | 2018-01-31 | 2021-12-14 | A. Raymond Et Cie. | Dual-latch quick connector |
US11137094B2 (en) * | 2018-04-23 | 2021-10-05 | Reliance World Wide Corporation | Clip end device |
FR3084435B1 (fr) * | 2018-07-24 | 2020-06-26 | A. Raymond Et Cie | Dispositif de raccord tubulaire |
JP7178291B2 (ja) * | 2019-02-26 | 2022-11-25 | 日本製鉄株式会社 | ガス供給管カプラの締結解除機構 |
US11796099B2 (en) * | 2019-08-22 | 2023-10-24 | Cooper-Standard Automotive Inc. | Connector having a pilot with an indicator |
JP7699289B2 (ja) * | 2021-07-28 | 2025-06-26 | オエティカ エヌワイ インク | 流体接続アセンブリ |
CN115031069B (zh) * | 2022-06-21 | 2023-11-14 | 宁波君禾智能科技有限公司 | 一种连接管路与设备的连接器 |
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JP2004003635A (ja) * | 2002-05-04 | 2004-01-08 | Ti Automotive (Fuldabrueck) Gmbh | 配管のための管継手 |
JP2004044790A (ja) * | 2002-05-23 | 2004-02-12 | Tokai Rubber Ind Ltd | クイックコネクタ |
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JP2691550B2 (ja) * | 1988-03-01 | 1997-12-17 | 臼井国際産業株式会社 | 細径配管接続用コネクター |
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US5893590A (en) * | 1991-12-18 | 1999-04-13 | Itt Corporation | Quick connector housing with elongated barb design to prevent accidental engagement |
US5441313A (en) * | 1994-01-18 | 1995-08-15 | Bundy Corporation | Insertion indicator for quick connector |
US5863077A (en) * | 1996-12-20 | 1999-01-26 | Itt Automotive, Inc. | Quick connector with snap-on frangible retainer |
JP3285515B2 (ja) | 1997-06-17 | 2002-05-27 | マルヤス工業株式会社 | パイプコネクタ装置 |
JP3223249B2 (ja) * | 1998-02-17 | 2001-10-29 | 本田技研工業株式会社 | 配管用コネクタの結合確認組立体 |
CA2251520C (en) * | 1997-10-31 | 2003-12-30 | Atsushi Ohta | Pipe connector connection checking assembly |
JP4085362B2 (ja) * | 2002-05-23 | 2008-05-14 | 東海ゴム工業株式会社 | 接続確認機能付きクイックコネクタ |
JP4234467B2 (ja) * | 2002-06-04 | 2009-03-04 | 株式会社パイオラックス | チェック機能内蔵コネクタ |
JP4131409B2 (ja) * | 2004-03-30 | 2008-08-13 | 東海ゴム工業株式会社 | クイックコネクタ |
US7128347B2 (en) * | 2004-11-18 | 2006-10-31 | Ti Group Automotive Systems, Llc | Passive transmitter for a quick connector |
-
2004
- 2004-05-25 JP JP2004154462A patent/JP4663254B2/ja not_active Expired - Lifetime
-
2005
- 2005-05-17 US US11/596,564 patent/US7494156B2/en active Active
- 2005-05-17 CN CN200580025079A patent/CN100585251C/zh not_active Expired - Lifetime
- 2005-05-17 WO PCT/JP2005/008966 patent/WO2005116509A1/ja active Application Filing
Patent Citations (2)
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JP2004003635A (ja) * | 2002-05-04 | 2004-01-08 | Ti Automotive (Fuldabrueck) Gmbh | 配管のための管継手 |
JP2004044790A (ja) * | 2002-05-23 | 2004-02-12 | Tokai Rubber Ind Ltd | クイックコネクタ |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007124818A1 (de) * | 2006-04-26 | 2007-11-08 | A. Raymond Et Cie | Fluidleitungskupplung |
KR101001230B1 (ko) | 2006-04-26 | 2010-12-17 | 아 레이몽 에 씨에 에스쎄에스 | 유체 라인 커플링 |
WO2008040429A1 (de) * | 2006-10-04 | 2008-04-10 | A. Raymond Et Cie | Kupplungsteil für eine fluidleitungskupplung |
US8113549B2 (en) | 2006-10-04 | 2012-02-14 | A. Raymond Et Cie | Coupling part for a fluid line coupling |
WO2024122109A1 (ja) * | 2022-12-05 | 2024-06-13 | 三桜工業株式会社 | クイックコネクタ |
Also Published As
Publication number | Publication date |
---|---|
JP4663254B2 (ja) | 2011-04-06 |
JP2005337317A (ja) | 2005-12-08 |
US7494156B2 (en) | 2009-02-24 |
CN100585251C (zh) | 2010-01-27 |
US20080136163A1 (en) | 2008-06-12 |
CN101014798A (zh) | 2007-08-08 |
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