Patent ID: 6726177
Filing Date: 2004-04-27
Classification: F16K

Abstract:
A valve with an improved junk ring structure, wherein an internal axle of the main body of said valve is mounted thereon with a valve disk, said main body is provided on the round surface near the periphery thereof with a washer which is fixed by pressing said junk ring being assembled, said valve is characterized by:said main body is provided on one side thereof with a stepped surface of which the outermost end has a screw thread portion on the inner wall thereof; said junk ring is provided on the outer wall of the periphery thereof with a screw thread portion mating with said screw thread portion of said main body; after said two screw thread portions are locked with each other, a front micro gap and a rear micro gap are left therebetween to be the spaces for expanding of the washer when being forcibly compressed.