High-sealing ball valve easy to disassemble and assemble

The utility model belongs to the technical field of ball valves, and particularly relates to a high-sealing ball valve easy to disassemble and assemble, which comprises a through pipe, the through pipe is composed of a left receiving disc and a right receiving disc, a valve core is rotatably mounted at a switch of the through pipe, a connecting column is mounted at the top of the valve core, a lower connecting block is arranged at the top of the connecting column, and an upper connecting block is clamped at the top of the lower connecting block. The top of the upper connecting block is connected with a valve rod. The through pipe can be detached through the left connecting disc and the right connecting disc, the valve rod faces the notch by rotating the valve rod, the valve element is detached through clamping of the upper connecting block and the lower connecting block, an anti-corrosion coating is remanufactured on the whole valve element, the outer wall is repaired, the valve element can be integrally main