Rust-proof valve applied to industrial pipeline

The utility model relates to an anti-rust valve applied to an industrial pipeline, which comprises a valve body, a sealing sleeve is arranged at the top end of the valve body, a guide cylinder is arranged at the top end of the sealing sleeve, a valve rod is connected in the guide cylinder in a threaded mode, the bottom end of the valve rod extends into the valve body and is connected with the sealing sleeve in a sliding mode, and an oil storage cavity is downwards formed in the top end of the guide cylinder. An oil injection hole is formed in the inner wall, communicated with an inner cavity of the guide cylinder, of the oil storage cavity, oil absorption sponge is arranged in the oil injection hole, the oil storage cavity used for oil injection and the oil injection hole are formed in the guide cylinder, the valve rod is not changed, and the torsion bearing performance of the valve rod is guaranteed. The oil injection pipe communicates with the oil storage cavity, a sealing cover is arranged on the oil injec