WO2000066921A2 - Couplage hydraulique rapide de frein - Google Patents

Couplage hydraulique rapide de frein Download PDF

Info

Publication number
WO2000066921A2
WO2000066921A2 PCT/US2000/012110 US0012110W WO0066921A2 WO 2000066921 A2 WO2000066921 A2 WO 2000066921A2 US 0012110 W US0012110 W US 0012110W WO 0066921 A2 WO0066921 A2 WO 0066921A2
Authority
WO
WIPO (PCT)
Prior art keywords
fluid coupling
tube
bore
coupling according
housing
Prior art date
Application number
PCT/US2000/012110
Other languages
English (en)
Other versions
WO2000066921A9 (fr
WO2000066921A3 (fr
Inventor
Jerry L. Holden
Erik E. Pierson
Christopher J. Kargula
Matthew D. Lutzke
Original Assignee
Form Rite 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 Form Rite Corp. filed Critical Form Rite Corp.
Priority to AU49839/00A priority Critical patent/AU4983900A/en
Publication of WO2000066921A2 publication Critical patent/WO2000066921A2/fr
Publication of WO2000066921A3 publication Critical patent/WO2000066921A3/fr
Publication of WO2000066921A9 publication Critical patent/WO2000066921A9/fr

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
    • F16L37/084—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
    • B60T17/043—Brake line couplings, air hoses and stopcocks

Definitions

  • This invention relates to a quick connect fluid coupling, and more specifically, a quick connect fluid coupling adapted for accommodating clearance and firmly seating a tube within a housing.
  • Fluid couplings are widely used in automotive applications for such fluid systems as braking, engine cooling, and transmission cooling.
  • Many of the fluid systems include a rigid tube that must be coupled to another member such as a brake housing.
  • the tube may be coupled to the housing in any number of ways.
  • the end of the tube may be flared and a threaded nut may be fastened to a threaded nipple on the housing to secure the flared end to the housing. While such a coupling arrangement provides a robust design, they may take longer than desired to assemble.
  • a quick connect coupling may be used to simplify assembly and decrease assembly time.
  • the tube, or a component associated with the tube is inserted into the housing in an interlocking fashion, that is, the tube is snap fit into the housing.
  • a seal is arranged between the tube and the housing to prevent fluid from leaking.
  • the present invention provides a fluid coupling includes a housing having a bore with an opening.
  • a tube is at least partially disposed within the bore, and a first member is connected to the tube and at least partially disposed within the bore.
  • the first member has a flange with an annular ramped surface.
  • a second member is arranged adjacent to the first member and is rotatable relative to the first member.
  • the second member has an end portion retained within the bore to prevent the second member from being forced out of the housing.
  • the second member includes an annular ramped portion, which is complementary to the annular ramped surface, in abutting relationship to the ramped surface. The second member is rotated relative to the first member to move the tube further into the bore away from the opening and seat either the tube or the first member against the housing.
  • the above invention provides a quick connect fluid coupling that is suitable for severe applications.
  • Figure 1 is a perspective view of the quick connect fluid coupling of the present invention
  • Figure 2 is a cross-sectional view of the quick connect fluid coupling shown in Figure 1 ;
  • Figure 3 is a cross-sectional view of first alternative seal and tube arrangement;
  • Figure 4 is a cross-sectional view of a second alternative seal and tube arrangement
  • Figure 5 is an end view of the second member shown in Figures 1 and 2;
  • Figure 6 is a perspective view of a support member that may be used with the present invention quick connect fluid coupling;
  • Figure 7 is an enlarged view of the ramped surface and ramped portion of the first and second members, respectively;
  • Figure 8A is a cross-sectional view of an alternative embodiment of the first member;
  • Figure 8B is a cross-sectional view of an alternative embodiment of the second member for use with the first member shown in Figure 8A.
  • a fluid coupling 10 is shown in Figures 1 and 2. Subsequent Figures are best understood with additional reference to Figures 1 and 2.
  • the fluid coupling 10 includes a housing 12, that may be a portion of any component such as a brake housing.
  • the housing 12 has a bore 14 with an opening 16.
  • a tube 18, which may be metal or plastic, is at least partially disposed within the bore 14 in the assembled position and carries fluid to or from the housing 12.
  • the tube 18 may include a ridge or bead 20 extending radially from the tube 18 that is used to retain the tube 18 within the bore 14, as will be discussed in more detail below.
  • a seal 22, preferably an O-ring, is arranged between the tube 18 and the housing 12 for preventing the fluid from leaking.
  • An additional back-up seal 24 may also be used.
  • the seals 22, 24 are located along the tube 18 by bead 20.
  • the tube 18 and seals 22, 24 may be configured in any number of ways.
  • the tube 18 may be made more stable within the housing 12 by having the tube 18 extend farther beyond the bead 20.
  • the end of the tube may be flared, as shown in Figure 2.
  • the bore 14 may include an annular sloped surface 26 that supports the seal 22.
  • the seal 22 compresses and creates a tight fit between the housing 12 and the tube 18.
  • the fluid coupling 10 also includes a first member 30 that is connected to the tube 18. As shown in the Figures, the tube 18 and the first member 30 are non- integrally formed with one another, that is, the tube 18 and the first member 30 are not formed in a single operation as one piece.
  • a preferred method of connecting the first member 30 to the tube in a non-integral manner is to mold the first member 30 over the tube 18.
  • the first member 30 is at least partially disposed within the bore 14 in the assembled position and abuts the bead 20 to further prevent the tube 18 from moving axially relative to first member 30.
  • the first member 30 has a tapered annular flange 34 with an angled surface 36.
  • the bore 14 includes an angled surface 38 that is complementary to the angled surface 36 for engaging the angled surface 36.
  • the angled surfaces 36, 38 seat against one another in the assembled position so that the tube 18 is securely retained in the housing 12, which will be discussed in more detail below.
  • the flange 34 also includes an annular ramped, or cammed, surface 40 opposite the angled surface 36.
  • the ramped surface 40 is helical and is similar to a single thread of a threaded fastener.
  • a second member 44 is arranged adjacent to the first member and is rotatable relative to the first member.
  • the first member 30 includes elongated slots 46 that form fingers 48 that flex inward to permit the second member 44 to be installed onto the first member 30.
  • the first 30 and second 44 members are keyed to for initially aligning the second member 44 relative to the first member 30.
  • a support member 47 shown in Figure 6, may be installed between the first 30 and second 44 members to force the fingers 48 outward and retain the second member 44 securely on the first member 30.
  • Support member 47 includes tabs 49 that are received in elongated slots 46.
  • the second member 44 also shown in Figure 5, has an end portion 50 retained within the bore 14 in the assembled position to prevent the second member 44 from being forced out of the housing 12.
  • the bore 14 includes an annular recess 52 and the second member 44 includes a flange 54 on the end portion 50 that is received within the recess 52 to retain the end portion 50 within the bore 14.
  • the second member 44 has a plurality of axially extending spaced apart fingers 56 formed by elongated slots 58.
  • the annular flange 54 is arranged on the fingers 56 and includes an inclined surface 60 for coacting with the opening 16 of the housing 12 and forcing the fingers 56 inward when the second member 44 is inserted into the bore 14.
  • the second member 44 also includes an annular ramped, or cammed, portion 62, which is complementary to the annular ramped surface 40.
  • the ramped portion 62 preferably arranged on the flange 54, is in abutting relationship with the ramped surface 40.
  • the ramped surface 40 and portion 62 cooperate with one another to move first member 30 axially away from the second member 44 since the second member 44 is retained within the bore 14.
  • the first member 30 is seated against the housing 12, and the tube 18 is forced further into the bore 14 away from the opening 16.
  • multiple ramped surfaces 40 and portions 62 may be used with varying contours and angles.
  • the first 30 and the second 44 members include first 66 and second 68 interlocking members, respectively, that engage one another for preventing relative rotation between the first 30 and second 44 members.
  • first interlocking member 66 includes teeth on an outer surface of the first member 30
  • second interlocking 68 member includes teeth on an inner surface of the second member for engaging the teeth on the first member 30.
  • the first interlocking member 66 may include teeth on the ramped surface 40
  • the second interlocking member 68 may include teeth on the ramped portion 62 that engage the teeth on the ramped surface 40.
  • One set of teeth may be formed by curved protrusions
  • the other set of teeth may be formed by curved recesses complimentary to the curved protrusions.
  • the curved teeth enable the members 30, 44 to be rotated relative to one another more easily.
  • the first interlocking member 66 may include an oval outer surface.
  • the second interlocking member 68 may include an oval inner surface that is slightly larger than the oval outer surface so that the members 30, 44 wedge against one another as the second member 44 is rotated.
  • interlocking features may be used in combination with one another to further ensure that the second member 44 remains rotationally fixed relative the first member 30 once in the assembled position.
  • the second member 44 may include a plurality of outwardly extending handles 70 for use when rotating the second member 44 relative to the first member 30.
  • the second member 44 may have a portion with a hexagonal cross-section for receiving a wrench.
  • the quick connect fluid coupling 10 includes mechanism for determining when the coupling 10 is in the assembled, or locked position, and the unassembled, or open position.
  • the first member 30 includes first 74 and second 76 position indices, preferably raised lettering such as "OPEN” and "LOCKED".
  • the second member 44 includes an indicator 78, such as the arm shown, for exposing one of the position indices 74, 76. As discussed above, the second member 44 is keyed to the first member 30, which is used to align the indices 74, 76 and the indicator 78.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

L'invention concerne un couplage hydraulique qui comprend un corps possédant un orifice et une ouverture. Un tube est au moins partiellement placé dans l'orifice, et un premier élément est connecté au tube, et placé au moins partiellement dans l'orifice. Le premier élément comporte une bride présentant une surface annulaire inclinée. Un deuxième élément est placé de façon adjacente au premier élément et tourne par rapport au premier élément. Le deuxième élément présente une partie d'extrémité qui est retenue à l'intérieur de l'orifice pour empêcher que le deuxième élément ne soit forcé hors du corps. Le deuxième élément comporte une partie annulaire inclinée complémentaire à la surface annulaire inclinée et qui vient abouter la surface inclinée. Le deuxième élément tourne par rapport au premier élément de façon à enfoncer davantage le tube à l'intérieur de l'orifice dans la direction opposée à l'ouverture, et appliquer le tube ou le premier élément contre le corps. De cette manière, un espace est ménagé entre le corps et le tube. Des dispositifs de blocage réciproque situés sur les premier et deuxième éléments se mettent en prise de façon à empêcher les premier et deuxième éléments de tourner l'un par rapport à l'autre, de façon à maintenir un ajustement serré entre le tube et le corps.
PCT/US2000/012110 1999-05-04 2000-05-04 Couplage hydraulique rapide de frein WO2000066921A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU49839/00A AU4983900A (en) 1999-05-04 2000-05-04 Brake quick connect fluid coupling

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13239499P 1999-05-04 1999-05-04
US60/132,394 1999-05-04

Publications (3)

Publication Number Publication Date
WO2000066921A2 true WO2000066921A2 (fr) 2000-11-09
WO2000066921A3 WO2000066921A3 (fr) 2001-04-26
WO2000066921A9 WO2000066921A9 (fr) 2002-02-21

Family

ID=22453836

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/012110 WO2000066921A2 (fr) 1999-05-04 2000-05-04 Couplage hydraulique rapide de frein

Country Status (2)

Country Link
AU (1) AU4983900A (fr)
WO (1) WO2000066921A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014000964A1 (fr) * 2012-06-29 2014-01-03 Robert Bosch Gmbh Raccord enfichable utilisé pour des conduites acheminant un fluide
US9079686B2 (en) 2011-10-03 2015-07-14 Hospira, Inc. Port assembly for mixing the contents of two containers
US9610223B2 (en) 2010-12-17 2017-04-04 Hospira, Inc. System and method for intermixing the contents of two containers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8241265B2 (en) 2007-08-01 2012-08-14 Hospira, Inc. Medicament admixing system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5181751A (en) * 1990-05-31 1993-01-26 Tokai Rubber Industries, Ltd. Quick connector
US5193857A (en) * 1990-03-30 1993-03-16 Tokai Rubber Industries, Ltd. Connector
US5429395A (en) * 1994-05-20 1995-07-04 Bundy Corporation Retainer arrangement for extreme load applications
US5575512A (en) * 1994-03-29 1996-11-19 Usui Kokusai Sangyo Kaisha Ltd. Pipe joint
US5806898A (en) * 1996-11-21 1998-09-15 Hollnagle; Harold E. Tube quick connect coupling
US5890749A (en) * 1996-11-20 1999-04-06 Usui Kokusai Sangyo Kaisha Limited Connector for connecting pipe arrangements having small diameter
US5895078A (en) * 1994-11-30 1999-04-20 Legris, S.A. Quick coupling device for coupling a tube to a rigid endpiece

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5193857A (en) * 1990-03-30 1993-03-16 Tokai Rubber Industries, Ltd. Connector
US5181751A (en) * 1990-05-31 1993-01-26 Tokai Rubber Industries, Ltd. Quick connector
US5575512A (en) * 1994-03-29 1996-11-19 Usui Kokusai Sangyo Kaisha Ltd. Pipe joint
US5429395A (en) * 1994-05-20 1995-07-04 Bundy Corporation Retainer arrangement for extreme load applications
US5895078A (en) * 1994-11-30 1999-04-20 Legris, S.A. Quick coupling device for coupling a tube to a rigid endpiece
US5890749A (en) * 1996-11-20 1999-04-06 Usui Kokusai Sangyo Kaisha Limited Connector for connecting pipe arrangements having small diameter
US5806898A (en) * 1996-11-21 1998-09-15 Hollnagle; Harold E. Tube quick connect coupling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9610223B2 (en) 2010-12-17 2017-04-04 Hospira, Inc. System and method for intermixing the contents of two containers
US9079686B2 (en) 2011-10-03 2015-07-14 Hospira, Inc. Port assembly for mixing the contents of two containers
WO2014000964A1 (fr) * 2012-06-29 2014-01-03 Robert Bosch Gmbh Raccord enfichable utilisé pour des conduites acheminant un fluide

Also Published As

Publication number Publication date
WO2000066921A9 (fr) 2002-02-21
AU4983900A (en) 2000-11-17
WO2000066921A3 (fr) 2001-04-26

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