Patent ID: 8991430
Filing Date: 2015-03-31
Classification: A61M,F16K,Y10S,Y10T

Abstract:
1. A medical valve, comprising a housing and a valve core, the valve core being installed within the housing, characterized in that: (a) the housing is an integrally-formed hollow cylindrical structure, an annular protrusion is arranged on the outer surface of the housing, a part of the housing located at a right side of the annular protrusion is a housing inlet end, a part of the housing located at a left side of the annular protrusion is a housing outlet end, a seal ring is arranged on the inner wall of the housing between the housing inlet end and the housing outlet end, and a valve core fixing structure is arranged at a tail part of the housing outlet end; (b) the valve core is made of an elastic material and is an integrally-formed cylindrical structure, a lock ring matched with the seal ring of the housing is arranged on an outer surface of the valve core, a part of the valve core located at a right side of the lock ring is a valve core inlet end, a part of the valve core located at a left side of the lock ring is a valve core outlet end; the valve core inlet end passes through the seal ring via the housing outlet end to enter into the housing inlet end, the lock ring of the valve core is in airtight fit with the seal ring of the housing, and the valve core outlet end is fixed in a compression manner by the valve core fixing structure on the housing outlet end; wherein the valve core fixing structure is a baffler and a locater which are arranged at the tail part of the housing outlet end and which are bent inwards, the baffler and the locater are arranged symmetrically along any diameter of an end face of the housing, and the baffler is clamped by the locator.