Patent ID: 6027097
Filing Date: 2000-02-22
Classification: F16L

Abstract:
A water stop hose connector comprising:a male member having an axial-passageway therethrough, an axially outer end, external male hose threads on said axially outer end, an axially inner end with a cylindrical outer surface, an annular detent groove in said outer surface, and an inner end face on said axially inner end;a female member having an axial passageway therethrough, an axially outer end portion with internal female hose threads, and an annular transverse shoulder at the axially inner end of said female hose threads;said female member also having a cylindrical axially inner open end dimensioned to snugly receive said axially inner end of said male member;a plurality of circumferentially spaced, radially extending openings through said female member axially inner end, and radially movable, spherical detent balls in said openings;an O-ring groove in said female member cylindrical axially inner end and an O-ring in said O-ring groove to seal against said male member axially inner end cylindrical outer surface;said female axially inner cylindrical end having an outer surface with a snap ring groove and a snap ring in said snap ring groove;a quick connect, axially movable cylindrical collar on said female axially inner cylindrical end, said snap ring retaining said collar thereon, said collar having a shoulder movable over said detent balls to lock them in said annular detent groove of said male member, and movable away from said detent balls to release them from said annular detent groove;a spring biasing said collar toward the position with said collar shoulder over said detent balls;a valve body retained in said female member passageway and having a head, a stem, and a stop shoulder on said stem;said stem having flow openings;an O-ring around said valve body head;said valve body being axially movable between first and second positions;said valve body openings in said second position being in flow communication with said female member axially outer end portion to allow flow therebetween, and in said first position being out of flow communication with said female member axially outer end portion to prevent flow therebetween;said valve body being engaged by said male member axially inner end face when said male and female members are coupled, causing said valve body to move to said second position with said flow openings in communication with said female member axially outer end portion, and said valve body being movable to said first position by water pressure in said female member when said male and female members are uncoupled, and said O-ring around said head engaging said transverse shoulder in said first position of said valve member, to seal off flow of water through said female member.