Valve shaft with wear-resistant structure

The utility model provides a valve shaft with a wear-resistant structure, which comprises a valve shaft assembly, and the valve shaft assembly comprises a shaft body, four insertion blocks, a cross groove, a connecting block, four push blocks, a movable shaft, eight sliding grooves, two guide rods, a tension spring, a sliding plate, a fixed pipe and an annular groove. The cross groove is formed in the upper surface of the shaft body. By adopting an inserting block clamping mode, the position of the shaft body is limited, the shaft body is convenient to install, the driving handle is detached from the shaft body, then the connecting block located on the upper portion is pulled, the connecting block drives the movable shaft to move upwards, and when the push block is separated from the cross groove, the movable shaft is driven to move upwards. When the valve shaft is disassembled, the sliding plate drives the inserting block to be separated from the annular groove, at the moment, position limitation of the shaf