Quick connector with secondary latch confirming feature

• US 6,062,607 A
• Filed: 07/17/1998
• Issued: 05/16/2000
• Est. Priority Date: 07/17/1998
• Status: Expired due to Fees

• Current Assignee: Proprietary Technology Incorporated
• Original Assignee: Proprietary Technology Incorporated
• Inventors: Bartholomew, Donald D.
• Primary Examiner(s): Dayoan, B.
• Assistant Examiner(s): BINDA, GREGORY JOHN
• Application Number:
  US09/118,679
• Time in Patent Office: 669 Days
• Field of Search: 285/93, 285/319, 285/921, 285/321, 285/308, 285/396
• US Class Current: 285/93
• CPC Class Codes: F16L 2201/10 Indicators for correct coupling
• CPC Class Codes: F16L 37/084 combined with automatic locking

Abstract

A quick connector-male conduit assembly embodying both primary and secondary latching functions for use in a conduit coupling. The assembly incorporates a hand-releasable, self-centering snap ring-like retainer and a combination secondary latch and seating indicator bracket to form a male conduit assembly matable with a female receptacle. The female receptacle includes an engaging surface defined by either a radial ridge or at least a pair of outwardly extending studs. In its preferred embodiment, the bracket includes a body and a flange portion generally defined by two flanges extending outwardly from the bracket body. Each of the flanges includes an aperture for selectively engaging said engaging surface of the female receptacle. The retainer includes a pair of tabs for easy manipulation by hand or tools for removal. The quick connector assembly is on either a plastic or a metal male conduit, and can be as short as a threaded connection. The quick connector assembly has no threads, and permits 360 degree rotation of the conduit.

Claims

1. A connector assembly for use in communicating a fluid media, said assembly comprising:

a female receptacle having a throughbore, a male conduit-receiving end continuous with said throughbore, said throughbore including a recessed inner wall, a longitudinally extending axis, and an engaging surface;

a male conduit having an end for insertion into said male conduit-receiving end of said female conduit;

a primary latching retainer positioned on said end of said male conduit, said retainer including a central ring and means for engaging said retainer within said recessed inner wall of said female conduit, said means for engaging including a pair of primary latching tabs extending axially with respect to said longitudinally extending axis for selectively releasing said retainer from said recessed inner wall; and

a combination secondary latching and confirming bracket including a body and seating at least one flange extending from said body, said flange including means for engaging said engaging surface of said female receptacle for latching therewith and for confirming connection of said male conduit within said female receptacle.

2. The connector assembly of claim 1, wherein said central ring defines at least 180 degrees about the central axis of the male conduit.

3. The connector assembly of claim 1, wherein said tabs extend beyond said male conduit-receiving end of said female receptacle when said male conduit is locked into said female receptacle.

4. The connector assembly of claim 1, wherein said tabs do not extend beyond said male conduit-receiving end of said female receptacle when said male conduit is locked into said female receptacle.

5. The connector assembly of claim 1, wherein said tabs are flush with said male conduit-receiving end of said female receptacle when said male conduit is locked into said female receptacle.

6. The connector assembly of claim 1, wherein said means for engaging comprises a pair of arms resiliently connected to said central ring and being deformable between a recessed inner wall engaging position and a recessed inner wall disengaging position.

7. The connector assembly of claim 6, further including an aligning ring positionable between said retainer and said bracket.

8. The connector assembly of claim 7, further including a wall engaging lug formed on each of said pair of arms, said aligning ring having recessed areas for receiving each lug of each arm.

9. The connector assembly of claim 6, wherein said female receptacle includes a lead-in portion.

10. The connector assembly of claim 9, wherein the lead-in portion of the female receptacle has a small diameter having a width and wherein said retainer has a diameter that is greater than the small diameter width of the lead-in portion and when one of said pair of arms is in a relaxed position with respect to another of said pair of arms, said one arm being operable to move toward a distorted position as a portion of the male conduit is fitted within the female receptacle for engagement therewith.

11. The connector assembly of claim 1, wherein said means for engaging said engaging surface of said female receptacle is an aperture formed in said flange.

12. The connector assembly of claim 1, wherein said female receptacle has an open end and said engaging surface defines a radial surface formed on said open end.

13. The connector assembly of claim 1, wherein said flange is defined by a pair of opposed flanges extending from said body.

14. The connector assembly of claim 1, wherein said means for engaging said engaging surface of said female receptacle is defined by a window formed in said flange.

15. The connector assembly of claim 1, wherein said means for engaging is defined by a two-edged window formed in said flange.

16. A connector assembly for use in communicating a fluid media, said assembly comprising:

a female receptacle having a throughbore, a male conduit-receiving end continuous with said throughbore, and an engaging surface;

a male conduit having an end and at least a portion of which is insertable into said male conduit-receiving end of said female receptacle;

means for retaining said end of said male conduit within said female receptacle, said means for retaining providing a primary latching mechanism;

a combination secondary latching and seating confirming bracket including a body and at least a pair of flanges extending substantially perpendicularly from said body, said at least a pair of flanges each including an aperture formed therein for engaging said engaging surface of said female receptacle for confirming connection of said male conduit within said female receptacle; and

an aligning ring positionable between said retaining means and said bracket.

17. The connector assembly of claim 16, further including at least three flanges extending from said body of said bracket.

18. The connector assembly of claim 16, wherein said bracket is movable between a disengaged position wherein said at least two flanges are disengaged from said engaging surface to an engaged position wherein said at least two flanges are engaged within said engaging surface.

19. The connector assembly of claim 16, wherein said bracket is a box-shaped member.

20. The connector assembly of claim 16, wherein said body of said bracket includes a pushing surface against which an installer applies pressure to force said male conduit into said female receptacle until said means for retaining reaches a point of engagement to engage said male conduit within said female receptacle.

21. The connector assembly of claim 16, wherein said throughbore includes a recessed inner wall and said means for retaining comprises a retainer positioned on said end of said male conduit.

22. The connector assembly of claim 21, wherein said retainer includes a central ring and means for engaging said retainer within said recessed inner wall of said female conduit.

23. The connector assembly of claim 22, wherein said retainer includes a pair of tabs for selectively releasing said retainer from said recessed inner wall.

24. The connector assembly of claim 23, wherein said tabs extend beyond said male conduit-receiving end of said female receptacle when said male conduit is locked into said female receptacle.

25. The connector assembly of claim 23, wherein said tabs do not extend beyond said male conduit-receiving end of said female receptacle when said male conduit is locked into said female receptacle.

26. The connector assembly of claim 23, wherein said tabs are flush with said male conduit-receiving end of said female receptacle when said male conduit is locked into said female receptacle.

27. The connector assembly of claim 23, wherein said means for engaging comprises a pair of arms resiliently connected to said central ring and being deformable between a recessed inner wall engaging position and a recessed inner wall disengaging position, said tabs being formed on said arms.

28. The connector assembly of claim 16, wherein said retainer further includes a ring for purposes of passing force to said retainer and means on said male conduit for preventing said ring from translating away from said male conduit end.

29. The connector assembly of claim 28, further including a wall engaging lug formed on each of said pair of arms, said aligning ring having recessed areas for receiving each lug of each arm.

30. The connector assembly of claim 16, wherein said aperture of said flange includes at least one substantially flat wall.

31. The connector assembly of claim 16, wherein said female receptacle has an open end and said engaging surface defines a radial surface formed on said open end.

32. The connector assembly of claim 16, wherein said flange is defined by two pairs of opposed flanges extending from said body.