Sealed eccentric plug valve of low flow resistance long -life elasticity

The utility model provides a sealed eccentric plug valve of low flow resistance long -life elasticity, includes valve body, valve gap, cock, the valve gap is through combining together through O typecircle, bolt and valve body fastening, last axle sleeve, V type packing box and gland and valve gap that the axostylus axostyle passes the gasket in the cock, go up the sand control shaft packing, setup in the center bore of valve gap combine together, and the axostylus axostyle passes down gasket, lower sand control shaft packing, lower bushing installation in the counter bore bottom the valve body under the cock, its characterized in that: the cock include that the outside opens and to have a plurality of cock base members of moving about freely and quickly the recess to and the cladding ison the rubber layer of cock matrix surface, and flow surface be planar structure, and cock and the contact of valve seat seal face form sealedly, and the cock is with eccentric mode setting, and through rotating the cock upper