WO2005005875A1 - クイックコネクター - Google Patents
クイックコネクター Download PDFInfo
- Publication number
- WO2005005875A1 WO2005005875A1 PCT/JP2004/009558 JP2004009558W WO2005005875A1 WO 2005005875 A1 WO2005005875 A1 WO 2005005875A1 JP 2004009558 W JP2004009558 W JP 2004009558W WO 2005005875 A1 WO2005005875 A1 WO 2005005875A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- retainer
- ring member
- quick connector
- housing
- tube
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- 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
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
- F16L37/14—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
- F16L37/142—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially
- F16L37/144—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially the securing element being U-shaped
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S285/00—Pipe joints or couplings
- Y10S285/921—Snap-fit
Definitions
- the present invention relates to a quick connector used for connecting tubes in a fuel supply system of an automobile.
- Conventional technology
- a quick connector is widely used as a pipe joint for connecting a fuel tube.
- This type of quick connector is attached to one side 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 without using a fastening element such as a bolt.
- Typical conventional techniques for quick connectors include those described in Patent Document 1 and Patent Document 2.
- a spool portion 3 that circulates around the outer peripheral portion is formed by terminal processing at the distal end portion of the opposite tube 2 connected by the quick connector, and the window force of the housing 4 and the like slide
- the retainer 5 of the type By pushing the retainer 5 of the type from the radial direction of the quick connector, the end edge portion 6a of the rib 6 of the retainer 5 can be engaged with the spool portion 3 and can be restrained so as not to come out of the counterpart tube 2.
- a quick connector using a slide type retainer which uses a retainer that is significantly thinner than the retainer 5 in FIG. 8 (see Patent Document 3).
- This type of quick connector has the advantage of a compact construction with a shorter housing.
- Patent Document 1 US Pat. No. 5,542,716
- Patent Document 2 JP 2002 - 206683 discloses
- Patent Document 3 US Pat. No. 5,863,077
- the problem with the quick connector is that the retainer is pushed into the fastening position and moved so that the quick connector and the other end of the tube are connected in appearance. When the pressure force S is visible and the pressure force is not applied, it becomes a pseudo-lock state where the seal inside the quick connector works.
- the quick connector disclosed in Patent Document 3 is effective in avoiding the pseudo lock state without lengthening the housing.
- the retainer used in this quick connector when the tube is inserted into the housing, the Lindaka S retainer integrated with the retainer 1 can be cut off from the retainer, and the retainer can be mounted only after that state. It has become.
- the object of the present invention is to solve the above-mentioned problems of the prior art and ensure that the retainer cannot be pushed in and locked unless the terminal of the counterpart tube is inserted to the normal fully coupled position. It is intended to provide a quick connector that can prevent a false lock state.
- Another object of the present invention is to reliably prevent a pseudo-lock state by a reliable and stable operation. It is to provide a quick connector that can both stop and combine the quick connector in a short and compact manner.
- the present invention provides a housing into which a terminal of a counterpart tube having a spool portion is inserted, and an axial direction and a right angle insertion from a window portion opening in the housing. And a U-shaped retainer, wherein the spool portion is constrained by the retainer and the mating tube and the housing are coupled to each other. It is the same size or smaller and has an inner diameter larger than the outer diameter of the counterpart tube, and can move in the housing in the axial direction between the restriction position and the restriction release position that restrict the movement of the retainer.
- a restricting ring member is provided, and the restricting ring member is formed with an interference portion that interferes with the leg portion of the retainer 1 at the restricting position to prevent the retainer 1 from moving, and When the end of the tube is inserted into the housing to a normal coupling position, the restriction ring member moves to the restriction release position, and the retainer can be moved. To do.
- an engagement groove is formed on the back side of the leg tip extending on both sides of the retainer 1.
- the engagement groove is aligned with the engagement groove.
- an axially-directed clearance groove is formed on the inner peripheral surface of the housing and the restriction ring member moves from the restriction position to the restriction release position, at the same time as the yoke part is detached from the engagement groove, the It is characterized by being received in the escape groove.
- the restriction ring member and the retainer are sheared when the restriction ring member in the restriction position is pushed by the spool portion of the counterpart tube at the engagement groove portion. It is characterized by having an integral structure connected through a shearing part.
- the restriction ring member has an elastic portion that urges the restriction ring member in a direction to push back the restriction ring member at the restriction position.
- FIG. 1 is an exploded perspective view showing a quick connector according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the quick connector when the retainer is in the temporary assembly position.
- Fig. 3 is a vertical sectional view of the quick connector when the regulating ring member is in the regulating position
- Fig. 3 (b) is a longitudinal section of the quick connector when the regulating ring member is in the regulating release position.
- FIG. 4 A view showing a punched portion of a regulating ring member connected to the retainer.
- Fig. 5 is a diagram showing the state where the control ring member's pulling part force S is connected to the retainer, and Fig. 5 (b) is the state where the control ring member's pulling part is detached from the retainer.
- FIG. 5 is a diagram showing the state where the control ring member's pulling part force S is connected to the retainer, and Fig. 5 (b) is the state where the control ring member's pulling part is detached from the retainer.
- FIG. 6 is a perspective view showing a regulating ring member used in the quick connector according to the second embodiment of the present invention.
- FIG. 7 is a longitudinal sectional view of the quick connector when the regulating ring member is in the regulating position.
- FIG. 8 A longitudinal sectional view of a conventional quick connector.
- FIG. 9 A longitudinal sectional view of the conventional quick connector with the mating tube in an incomplete connection.
- FIG. 1 is an exploded perspective view showing a quick connector according to a first embodiment of the present invention.
- reference numeral 10 indicates the entire quick connector.
- 12 is the quick connector housing and 14 is the other tube.
- 16 indicates a retainer.
- 2 is a cross-sectional view of the housing 12 with the retainer 16 temporarily assembled.
- FIG. 3 (a) is a vertical cross-sectional view when the tube 14 is inserted into the housing 12, and
- FIG. FIG. 6 is a longitudinal sectional view of the housing 12 in a state where it can be coupled by the retainer 16.
- the housing 12 of the quick connector 10 constitutes a female joint in which an insertion port 20 into which the counterpart tube 14 is inserted is opened, and a male tube 17 to which a resin tube 17 can be attached by press fitting.
- a stepped passage 21 is formed in the inside thereof in the axial direction.
- a slit-like window portion 22 for inserting the retainer 16 from a direction perpendicular to the axial direction is formed on the upper surface of the housing 12 so as to extend in the circumferential direction.
- the window portion 22 is cut off at the left and right side wall portions 23a, 23b, and another groove 24 is formed in the circumferential direction below the side wall portions 23a, 23b.
- the housing 12 is connected to the first cylindrical portion 25a and the second cylindrical portion 25b, which are successively reduced in diameter, and further connected to the press-fit mounting portion 18. Further, as shown in FIG. 3, 0 ring 27a and 27b force S are accommodated inside the first cylindrical portion 25a of the housing 12 with a spacer 26 interposed therebetween. 28 is a top hat for preventing the 0-rings 27a and 27b from jumping out.
- the counterpart tube 14 is a metal tube in this embodiment, and is a spool that circulates around the outer peripheral portion at a predetermined distance from the end by performing end processing. Part 30 is formed.
- the retainer 16 is a plastic or metal U-shaped member having legs 31a and 31b extending in parallel on both sides.
- the retainer 16 is compared with a conventional retainer of this type. This is a thin retainer with a large axial length. The width of the window 22 corresponds to the length of the retainer 16.
- U-shaped ribs 32 are formed inside the legs 31a and 31b of the retainer 16. As shown in FIG. The curvature of the curved surface of the U-shaped rib 32 is substantially equal to the curvature of the outer peripheral surface of the counterpart tube 14, and therefore the counterpart tube 14 inserted into the housing 12 is provided on the rib 32. It comes to fit.
- Locking claws 34a and 34b are formed at the distal ends of the leg portions 31a and 31b of the retainer 16, respectively. The locking claws 34a and 34b can be engaged with the lower edges of the side wall portions 23a and 23b of the housing 12.
- the retainer 16 has a structure integrally connected to the regulating ring member 40.
- the restriction ring member 40 is a member that interferes with the retainer 16 and restricts the movement of the retainer 16.
- the restricting ring member 40 has an inner diameter slightly larger than the outer diameter of the counterpart tube 14. However, since the inner diameter of the regulating ring member 40 is smaller than the diameter of the spool portion 30, the spool portion 30 cannot pass through the regulating ring member 40. It has become.
- engagement grooves 41a and 41b are formed on the back sides of the lock claws 34a and 34b at the tips of the legs 31a and 31b extending on both sides of the retainer 16, respectively. These engagement grooves 4 la and 41 b are formed at right angles to the extending direction of the leg portions 31 a and 31 b.
- the short and thin bar-like portions 42a and 42b fitted into the engagement grooves 41a and 41b are symmetrical to the center of the restriction ring member 40 by 180 ° integrally with the restriction ring member 40. It is formed at various positions.
- the hollow portions 42a and 42b of the regulating ring member 40 are formed by the very thin shear portions 43a and 43b that are broken when a force of a predetermined magnitude or more is applied.
- 41b is connected to a part of the wall forming 41b.
- the shearing parts 43a and 43b are installed as a pair between the upper and lower end faces of the yoke parts 42a and 42b and the inner walls of the engaging grooves 41a and 41b.
- the inner circumferential surface of the housing 12 has an axial direction so as to correspond to the engaging grooves 41a and 41b formed in the retainer 16 integrally structured with the regulating ring member 40. Relief grooves 44a and 44b are formed.
- the retainer 16 is in a temporary assembly position (described later). At this time, the engaging grooves 41a and 41b and the relief grooves 44a and 44b are in a positional relationship on the same straight line. ing.
- the quick connector 1 according to the present embodiment is configured as described above. Next, the operation thereof will be described.
- the quick connector 10 of the present embodiment is shipped as a product in a form in which the retainer 16 is temporarily assembled in a housing, and is provided to a consumer. For example, when a consumer uses a quick connector in a fuel pipe connection process for supplying fuel to an engine in an automobile assembly plant, the metal tube 14 to be connected is inserted into the housing 12 and the retainer 16 is installed. Just push in.
- the hollow portions 42a and 42b are detached from the engaging grooves 41a and 41b, and continue on the same straight line as the engaging grooves 41a and 41b.
- the restriction ring member 40 can be moved to the restriction release position by being received in the relief grooves 44a and 44b on the housing 12 side, so that the retainer 16 can move only for the first time.
- the retainer 16 when the other tube 12 is not sufficiently inserted using the thin retainer 16 that is significantly thinner than the conventional retainer, the retainer 16 is pushed in. It is possible to realize a structure that cannot be locked without being able to lock, and instead of extending the length of the housing as shown in Fig. 8 in the past, it has been made short and compact, and it can be completely joined or completely joined It is possible to reliably prevent the pseudo-lock state by selecting one of the two options.
- the width can be smaller than the diameter of the tube 14, for example, or smaller than 1/2 of the diameter of the tube 14. .
- the control ring member 40 has the punched portions 42a and 42b. It is fixed, and the amount of movement of the yokes 42a and 42b and the amount of push in the spool 30 are exactly the same. For this reason, the push-in amount of the spool part 30 until the punched parts 42a, 42b are released from the engagement grooves 41a, 41b and the retainer 16 can be installed is accurately determined by the size of the punched parts 42a, 42b. I can decide.
- FIG. 6 shows a regulating ring member 50 used in the quick connector according to the second embodiment of the present invention.
- the retainer 16 and the guard ring portions 42a and 42b of the regulating ring member 40 are integrated structures in which the shear portions 43a and 43b are connected, but in this second embodiment, the retainer 16 and the regulating ring member 50 are configured as separate parts. Note that the retainer 16 is the same as that of the first embodiment, and a description thereof will be omitted.
- the restriction ring member 50 is a thin ring-shaped member, and the short bar-shaped portions 42a and 42b are formed at symmetrical positions of 180 °, similar to the restriction ring member 40 of the first embodiment.
- leaf spring-shaped elastic portions 52a and 52b are formed on the back side of the yoke portions 42a and 42b.
- the elastic portions 52a and 52b are formed by the first cylindrical portion 25a and the relief groove. It abuts against the end face of the top hat 28, which is the boundary between the inner peripheral surfaces of the housings 44a and 44b, so that the restricting ring member 50 can be pushed back to the restricting position.
- the restriction link member 50 is not cut off from the retainer 16, so that the restriction ring member 50 can be reused.
- the tube 14 may be detached from the housing 12 and then reassembled. If the restriction ring member 50 is displaced by applying a spring as in the second embodiment, the pseudo lock can be confirmed even when reassembled.
- the pseudo lock state can be surely prevented, and the pseudo lock state can be reliably prevented and the quick connector can be made short and compact.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/544,941 US7390029B2 (en) | 2003-07-10 | 2004-07-06 | Quick connector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003194876A JP4271516B2 (ja) | 2003-07-10 | 2003-07-10 | クイックコネクター |
JP2003-194876 | 2003-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005005875A1 true WO2005005875A1 (ja) | 2005-01-20 |
Family
ID=34055704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/009558 WO2005005875A1 (ja) | 2003-07-10 | 2004-07-06 | クイックコネクター |
Country Status (3)
Country | Link |
---|---|
US (1) | US7390029B2 (ja) |
JP (1) | JP4271516B2 (ja) |
WO (1) | WO2005005875A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD859618S1 (en) | 2017-09-15 | 2019-09-10 | Pentair Water Pool And Spa, Inc. | Heating apparatus clip |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050082828A1 (en) * | 2003-09-12 | 2005-04-21 | Wicks Jeffrey C. | Releasable connection assembly for joining tubing sections |
JP4041457B2 (ja) * | 2003-12-12 | 2008-01-30 | 三桜工業株式会社 | クイックコネクタ |
JP2006010047A (ja) * | 2004-06-29 | 2006-01-12 | Tabuchi Corp | 防食スリーブ |
US7484774B2 (en) | 2005-05-03 | 2009-02-03 | Ti Group Automotive Systems, Llc | Redundant latch/verifier for a quick connector |
US7448653B2 (en) | 2005-06-10 | 2008-11-11 | Value Plastics, Inc. | Female connector for releasable coupling with a male connector defining a fluid conduit |
US7497477B2 (en) * | 2005-06-15 | 2009-03-03 | Ti Group Automotive Systems, Llc | Pull tab verifier assembly for quick connectors |
US7806139B2 (en) | 2006-01-20 | 2010-10-05 | Value Plastics, Inc. | Fluid conduit coupling assembly having male and female couplers with integral valves |
USD654573S1 (en) * | 2007-11-19 | 2012-02-21 | Value Plastics, Inc. | Female quick connect fitting |
USD634840S1 (en) | 2008-07-03 | 2011-03-22 | Value Plastics, Inc. | Female body of connector for fluid tubing |
US8235426B2 (en) | 2008-07-03 | 2012-08-07 | Nordson Corporation | Latch assembly for joining two conduits |
USD630320S1 (en) | 2008-07-03 | 2011-01-04 | Value Plastics, Inc. | Connector for fluid tubing |
USD629894S1 (en) | 2008-07-03 | 2010-12-28 | Value Plastics, Inc. | Male body of connector for fluid tubing |
USD655393S1 (en) | 2009-06-23 | 2012-03-06 | Value Plastics, Inc. | Multi-port valve |
US10711930B2 (en) | 2009-12-09 | 2020-07-14 | Nordson Corporation | Releasable connection assembly |
USD650478S1 (en) | 2009-12-23 | 2011-12-13 | Value Plastics, Inc. | Female dual lumen connector |
US9388929B2 (en) | 2009-12-09 | 2016-07-12 | Nordson Corporation | Male bayonet connector |
USD649240S1 (en) | 2009-12-09 | 2011-11-22 | Value Plastics, Inc. | Male dual lumen bayonet connector |
USD783815S1 (en) | 2009-12-09 | 2017-04-11 | General Electric Company | Male dual lumen bayonet connector |
WO2011079228A1 (en) | 2009-12-23 | 2011-06-30 | Value Plastics, Inc. | Button latch with integrally molded cantilever springs |
KR101715636B1 (ko) | 2009-12-23 | 2017-03-13 | 노드슨 코포레이션 | 프로파일 리드-인을 갖는 유체 커넥터 래치 |
USD663022S1 (en) | 2011-02-11 | 2012-07-03 | Nordson Corporation | Male body of connector for fluid tubing |
USD652510S1 (en) | 2011-02-11 | 2012-01-17 | Value Plastics, Inc. | Connector for fluid tubing |
USD652511S1 (en) | 2011-02-11 | 2012-01-17 | Value Plastics, Inc. | Female body of connector for fluid tubing |
USD699841S1 (en) | 2011-07-29 | 2014-02-18 | Nordson Corporation | Female body of connector for fluid tubing |
USD699840S1 (en) | 2011-07-29 | 2014-02-18 | Nordson Corporation | Male body of connector for fluid tubing |
USD698440S1 (en) | 2011-07-29 | 2014-01-28 | Nordson Corporation | Connector for fluid tubing |
US8662540B2 (en) | 2011-11-02 | 2014-03-04 | Philip C. Whitener | Quick tube connector |
USD709612S1 (en) | 2011-12-23 | 2014-07-22 | Nordson Corporation | Female dual lumen connector |
JP5894823B2 (ja) * | 2012-03-19 | 2016-03-30 | 本田技研工業株式会社 | 車両用燃料供給構造 |
FR3017686B1 (fr) * | 2014-02-14 | 2016-09-30 | Sartorius Stedim Fmt Sas | Connecteur fluidique avec coulisse de verrouillage. |
US10422459B2 (en) | 2015-01-14 | 2019-09-24 | Norma U.S. Holding Llc | Conduit connector with a primary and secondary latch |
FR3044382B1 (fr) * | 2015-11-30 | 2017-12-08 | A Raymond Et Cie | Raccord tubulaire rapide avec bague secable pour connexion fluidique securisee |
US10779741B2 (en) * | 2016-01-19 | 2020-09-22 | St. Jude Medical, Cardiology Division, Inc. | Atraumatic coupling and catheter employing the same |
USD838366S1 (en) | 2016-10-31 | 2019-01-15 | Nordson Corporation | Blood pressure connector |
US10816121B2 (en) | 2017-05-09 | 2020-10-27 | Martinrea International US Inc. | Quick connect coupling with verifier |
US11378211B2 (en) | 2019-10-08 | 2022-07-05 | Dayco Ip Holdings, Llc | Quick connector with a replaceable restriction orifice |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001507109A (ja) * | 1996-12-20 | 2001-05-29 | 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 | 破壊可能な嵌合式保持装置を有する早継ぎコネクタ |
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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 |
US5542716A (en) * | 1994-11-04 | 1996-08-06 | Itt Corporation | Quick connector with snap-on retainer |
US5586792A (en) * | 1995-02-21 | 1996-12-24 | Bundy Corporation | Quick connector with integral release mechanism |
US5951063A (en) * | 1995-06-07 | 1999-09-14 | Itt Manufacturing Enterprises, Inc. | Quick connector with snap-on retainer having enhanced engagement |
BR9601539A (pt) * | 1996-04-12 | 2004-06-29 | Tampas Click Ltda | Indicador de montagem e conexão de linhas de combustìveis ou fluìdos em geral |
US6520546B2 (en) * | 2000-12-27 | 2003-02-18 | Itt Manufacturing Enterprises, Inc. | Quick connector release tool |
JP3871885B2 (ja) | 2001-01-09 | 2007-01-24 | 三桜工業株式会社 | 配管用継手 |
JP2002327882A (ja) * | 2001-04-27 | 2002-11-15 | Sanoh Industrial Co Ltd | 疑似係合を防止するための破断式の確認装置 |
-
2003
- 2003-07-10 JP JP2003194876A patent/JP4271516B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-06 US US10/544,941 patent/US7390029B2/en active Active
- 2004-07-06 WO PCT/JP2004/009558 patent/WO2005005875A1/ja active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001507109A (ja) * | 1996-12-20 | 2001-05-29 | 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 | 破壊可能な嵌合式保持装置を有する早継ぎコネクタ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD859618S1 (en) | 2017-09-15 | 2019-09-10 | Pentair Water Pool And Spa, Inc. | Heating apparatus clip |
Also Published As
Publication number | Publication date |
---|---|
US20060170211A1 (en) | 2006-08-03 |
JP2005030470A (ja) | 2005-02-03 |
JP4271516B2 (ja) | 2009-06-03 |
US7390029B2 (en) | 2008-06-24 |
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