High leakproofness's loose joint ball valve

The utility model discloses a high leakproofness's loose joint ball valve aims at providing a structural strength height, high leakproofness's loose joint ball valve, and its technical scheme main points are high leakproofness's loose joint ball valve, including the valve body, characterized by: the valve body includes first body and second body, first body and second body are connected through bearing section, the thickness of the thickness of bearing section and first body link to bearing section and second body link is and increases progressively the form, first body keeps away from bearing section's no. 1 and serves and be equipped with the first enhancement layer of placing the first body outer wall in, be equipped with the external screw thread on the first enhancement layer, first body's inner wall is equipped with the spacing ring, first body keeps away from bearing section's no. 1 and serves and still be equipped with first spacing chamfer, first enhancement layer is kept away from bearing section's