Squeeze-to-release quick connector

• US 5,466,017 A
• Filed: 09/17/1993
• Issued: 11/14/1995
• Est. Priority Date: 09/17/1993
• Status: Expired due to Term

• Current Assignee: ITT Corporation (ITT, Inc.)
• Original Assignee: ITT Corporation (ITT, Inc.)
• Inventors: Zelinski, Gary, Szabo, George
• Primary Examiner(s): Nicholson, Eric K.
• Application Number:
  US08/122,925
• Time in Patent Office: 788 Days
• Field of Search: 285/319, 285/921, 285/39, 285/423
• US Class Current: 285/319
• CPC Class Codes: F16L 37/0987 the flexible hook being progressively compressed by axial tensile loads acting on the coupling
• CPC Class Codes: Y10S 285/921 Snap-fit

Abstract

A squeeze-to-release quick connector for engaging a flanged male member includes a cylindrical body portion which is open at one end for receiving the male member and forms a conduit receiving adapter at its opposite end. An annular retainer ring is axially spaced from the open end and is attached to the body portion by two circumferentially opposed, generally parallel axially elongated beam members. Each beam member is affixed at one end to the retaining ring and at an opposed end to a mount located on the body portion axially spaced from the open end. Two circumferentially spaced detents extend inwardly from a retaining ring to capture the male abutment surface to effect positive engagement therebetween. The opposed ends of the beam members extends axially beyond an abutment surface of the detents and is spaced from the detents. A finger is formed on each detent extending axially from the abutment surface of the detent toward the open end of the body portion and is spaced from the adjacent beam member.

Claims

1. A squeeze-to-release quick connector adapted for selective locking engagement with a male member defining an outwardly extending abutment surface, said quick connector comprising:

a generally cylindrical, elongated body portion open at one end for receiving said male member and forming a conduit receiving adapter at an opposite end;

an annular retaining ring disposed concentrically with said body portion axially spaced from said open end;

two circumferentially opposed, generally parallel, axially elongated beam members interconnecting said retaining ring and body portion, each said beam member affixed at one end thereof to said retaining ring and at an opposed end thereof to said body portion; and

at least two circumferentially spaced detents extending inwardly from said retaining ring to capture said abutment surface to effect positive engagement of said quick connector and male member, the detents extending from the opposed end of the beam members and radially spaced from said beam members by a slot, means, formed on and extending axially from each detent and spaced from the adjacent beam member for exhibiting radially inward bending movement into engagement with a male member inserted into the body portion to resist pulloff of the male member when the retaining ring is in a normal state, said retaining ring being adapted to be squeezed at angularly offset locations from said beam members to release said abutment surface of a male member from engagement with said detents for removal of said male member.

5. The quick connector of claim 1, wherein:

said opposed end of each beam member is located on said body portion axially spaced from said open end, said beam members being radially spaced from said body portion.

6. The quick connector of claim 5, further comprising mounts extending radially outwardly from the outside surface of said body portion and connecting said opposed ends of each said beam members to said body portion.

7. The quick connector of claim 6, wherein said mounts are disposed approximately axially midway between the ends of said body portion.

8. The quick connector of claim 6, wherein said mounts are axially disposed from said open end by a dimension that is approximately equal to one half an inner diameter of said body portion.

9. The quick connector of claim 1, wherein said beam members extend axially a distance approximately equal to the inner diameter of said one end of said body portion.

10. The quick connector of claim 1, wherein body portion, conduit receiving adapter, retaining ring and beam members are integrally formed.

11. The quick connector of claim 10 wherein said body portion, conduit receiving adapter, retaining ring and beam members are formed of injection molded plastic.

12. The quick connector of claim 1, wherein said retaining ring defines two circumferentially opposed gripping surfaces adapted to be squeezed to effect said release on an outer surface thereof angularly offset from said beam members by approximately 90 degrees.

13. The quick connector of claim 1, wherein said retaining ring and beam members are constructed of resilient material.

14. The quick connector of claim 1, wherein said detents are substantially angularly aligned with said beam members.

15. The quick connector of claim 1, wherein each said detent comprises a radially tapered ramp surface facing away from said body portion and an abutment surface facing toward said body portion.

16. The quick connector of claim 15, wherein said retaining ring includes a skirt portion axially extending away from body portion.

17. The quick connector of claim 1, wherein said beam members extend generally parallel to the outside surface of said body portion.

18. The quick connector of claim 1, wherein said male member abutment surface comprises an annular upset flange formed near one end of said male member.

19. The quick connector of claim 1, wherein said retaining ring has a cross-sectional area which varies from a maximum positionally coinciding with said beam members to a minimum offset approximately 90 degrees therefrom.

20. The quick connector of claim 1, wherein said retaining ring comprises two opposed crescent shaped sectors joined at areas of minimum cross section.

2. A squeeze-to-release quick connector adapted for selective locking engagement with a male member defining an outwardly extending abutment surface, said quick connector comprising:

a generally cylindrical, elongated body portion open at one end for receiving said male member and forming a conduit receiving adapter at an opposite end;

an annular retaining ring disposed concentrically with said body portion axially spaced from said open end;

.

two circumferentially opposed, generally parallel, axially elongated beam members interconnecting said retaining ring and body portion, each said beam member affixed at one end thereof to said retaining ring and at an opposed end thereof to said body portion; and

at least two circumferentially spaced detents extending inwardly from said retaining ring to capture said abutment surface to effect positive engagement of said quick connector and male member, the detents extending from the opposed end of the beam members and radially spaced from said beam members by a slot, an abutment surface formed on each detent releasibly engagable with the abutment surface on the male member inserted into the body portion, a finger formed on each detent and extending axially from the abutment surface of each detent toward the open end of the body portion, the finger spaced from the adjacent beam member, said retaining ring being adapted to be squeezed at angularly offset locations from the beam members to release the abutment surface of the male member from engagement with the detents for removal of the male member.

3. The quick connector of claim 2, wherein the finger is parallel to the adjacent beam member.

4. The quick connector of claim 2, further comprising:

said slot formed between each finger and the adjacent beam member permitting radially inward bending of the finger into engagement with a male member inserted into the body portion to resist pulloff of the male member when the retaining ring is in a normal state.

21. A squeeze-to-release quick connector adapted for selective locking engagement with a male member defining an outwardly extending abutment surface, said quick connector comprising:

a generally cylindrical, elongated body portion open at one end for receiving said male member and forming a conduit receiving adapter at an opposite end;

an annular retaining ring disposed concentrically with said body portion axially spaced from said open end, said retaining ring including two circumferentially opposed gripping surfaces adapted to be squeezed to effect release on an outer surface thereof;

two circumferentially opposed, generally parallel, axially elongated beam members interconnecting said retaining ring and body portion, each said beam member affixed at one end thereof to said retaining ring and at an opposed end thereof to a mount located on said body portion axially spaced from said open end and extending radially outward from said body portion such that said beam members are radially spaced from said body portion, said beam members extending generally parallel to an outside surface of said body portion and angularly offset from said gripping surfaces on said retaining ring;

at least two circumferentially spaced detents extending inwardly from said retaining ring to capture said abutment surface to effect positive engagement of said quick connector and male member, the detents extending axially from the opposed end of the beam members and radially spaced from and substantially angularly aligned with said beam members, each detent having an abutment surface formed thereon, said retaining ring being adapted to be squeezed at said gripping surfaces to release said abutment surface on a male member from engagement with said detents for removal of said male member;

a finger formed on each detent and extending axially from the abutment surface of each detent toward the open end of the body portion; and

a slot formed between each finger and the adjacent beam member permitting radially inward bending of the finger into engagement with a male member inserted into the female member to resist pulloff of the male member when the retaining ring is in a normal state.

22. A squeeze-to-release quick connector assembly comprising:

a generally tubular male part having an outwardly extending abutment surface; and

a female part including a generally cylindrical elongated body portion open at one end for receiving said male part and forming a conduit receiving adapter at an opposite end, said female part further including an annular retaining ring disposed concentrically with said body portion axially spaced from said open end, said retaining ring joined to said body portion by two circumferentially opposed parallel, axially elongated beam members, each beam member affixed at one end thereof to said retaining ring and at an opposed end thereof to said body portion, said retaining ring including two circumferentially spaced inwardly extending detents operative to engage said abutment surface to effect interlocking of said male and female parts, the detents extending axially from the opposed end of the beam members and radially spaced from the beam members by a slot, means, formed on and extending axially from each detent and spaced from the adjacent beam member for exhibiting radially inward bending movement into engagement with a male member inserted into the body portion to resist pulloff of the male member when the retaining ring is in a normal state, said retaining ring being adapted to be squeezed at angularly offset locations from said beam members to release said abutment surface from said detents for removal of said male part.

26. The quick connector of claim 22, wherein:

each said opposed end of said beam members is attached to said body portion axially spaced from said open end, said beam members being radially spaced from said body portion.

23. A squeeze-to-release quick connector assembly comprising:

a generally tubular male part having an outwardly extending abutment surface; and

a female part including a generally cylindrical elongated body portion open at one end for receiving said male part and forming a conduit receiving adapter at an opposite end, said female part further including an annular retaining ring disposed concentrically with said body portion axially spaced from said open end, said retaining ring joined to said body portion by two circumferentially opposed parallel, axially elongated beam members, each beam member affixed at one end thereof to said retaining ring and at an opposed end thereof to said body portion, said retaining ring including two circumferentially spaced inwardly extending detents operative to engage said abutment surface to effect interlocking of said male and female parts, the detents extending from the opposed end of the beam members and radially spaced from the beam members by a slot, an abutment surface formed on each detent releasibly engagable with an abutment surface on the male part when the male part is inserted into the female part, a finger formed on each detent and extending axially from the abutment surface of each detent toward the open end of the body portion, the finger spaced from the adjacent beam member said retaining ring being adapted to be squeezed at angularly offset locations from said beam members to release said abutment surface from said detents for removal of said male part.

24. The quick connector of claim 23, wherein the finger is parallel to the adjacent beam member.

25. The quick connector of claim 23, further comprising:

said slot formed between each finger and the adjacent beam member permitting radially inward bending of the finger into engagement with a male member inserted into the female member to resist pulloff of the male member when the retaining ring is in a normal state.

27. A squeeze-to-release quick connector comprising:

a generally cylindrical body portion open at one end for receiving a male member;

a substantially annular retaining ring disposed concentrically with said body portion axially spaced from said open end;

at least one beam member interconnecting said retaining ring and said body portion; and

detent means carried by said retaining ring operative to capture an engagement surface on said male member in a relaxed condition and displaceable upon elastic distention of said retaining ring to release said male member, the detent means extending from the retaining ring and radially spaced from the at least one beam member by a slot, means, formed on and extending axially from each detent and spaced from the adjacent beam member for exhibiting radially inward bending movement into engagement with a male member inserted into the body portion to resist pulloff of the male member when the retaining ring is in a normal state, said retaining ring being adapted to be squeezed at angularly offset locations from said at least one beam member to release said engagement surface on said male member from said detent means for removal of said male member.

31. The quick connector of claim 27, wherein one end of said at least one beam member is attached to said body portion axially spaced form said open end, said at least one beam member being radially spaced from said body portion.

28. A squeeze-to-release quick connector comprising:

a generally cylindrical body portion open at one end for receiving a male member;

a substantially annular retaining ring disposed concentrically with said body portion axially spaced from said open end;

at least one beam member interconnecting said retaining ring and said body portion; and

detent means carried by said retaining ring operative to capture an engagement surface on said male member in a relaxed condition and displaceable upon elastic distention of said retaining ring to release said male member, the detent means extending from the retaining ring and radially spaced from the at least one beam member by a slot, a finger formed on and extending axially from the detent means toward the open end of the body portion, the finger spaced from the adjacent beam member, said retaining ring being adapted to be squeezed at angularly offset locations from said at least one beam member to release said male member from said detent means for removal of said male member.

29. The quick connector of claim 28, wherein the finger is parallel to the adjacent beam member.

30. The quick connector of claim 28, further comprising:

said slot formed between each finger and the adjacent beam member permitting radially inward bending of the finger into engagement with a male member inserted into the female member to resist pulloff of the male member when the retaining ring is in a normal state.