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Quick connect connector for grooved pipe

  • US 5,498,042 A
  • Filed: 06/20/1994
  • Issued: 03/12/1996
  • Est. Priority Date: 06/20/1994
  • Status: Expired due to Fees
First Claim
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1. A quick connector for a circular pipe of a constant single outer diameter having a circumferential groove in an outer surface of said pipe, positioned adjacent an axial end of said pipe and spaced from said axial end, said connector including:

  • a body having a circular bore, said body having an axial length sufficient to engage said pipe on opposite sides of said groove in said pipe, said bore having a diameter slightly exceeding that of said outer diameter of said pipe;

    a first annular groove in said body encircling said bore and communicating directly with said bore at a position aligned with a said groove of a said grooved pipe when said grooved pipe is inserted into said bore of said body;

    an abutment within said bore for limiting the extent of axial insertion of said pipe into said bore and for axially aligning said groove in said pipe exterior with said first groove in said bore;

    a circlip positioned within said first annular groove in said body, said circlip engaging opposite sides of said groove, and having an inner diameter at least equal to the diameter of said bore, and having an outer diameter substantially greater than the diameter of said bore; and

    means for contracting and locking said circlip to an inner diameter less than said outer diameter of said pipe and an outer diameter greater than said diameter of said bore;

    whereby, said circlip provides a stop member prohibiting removal of said pipe from said connector when said circlip is in said contracted and locked condition;

    further including a second annular groove in said body encircling said bore at a position aligned with said outer surface of said pipe at a position remote from said circumferential groove in said outer surface; and

    ,an O-ring positioned in said second annular groove and engageable with said pipe outer surface and said second annular groove in sealing engagement therewith when said pipe is inserted into said bore of said body.

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