Valve oil seal with adjustable leakage rate

The invention discloses a valve oil seal with adjustable leakage rate. The valve oil seal comprises a reinforcing framework, wherein a rubber body is fixedly connected to the inner wall of the reinforcing framework; a first spring groove is formed in the position, close to the top of the reinforcing framework, of the outer wall of the rubber body; a self-locking spring structure is arranged on the inner wall of the first spring groove; the outer wall of the self-locking spring structure is connected with the inner wall of the first spring groove in a sleeved mode and is in close fit with the inner wall of the first spring groove; a main sealing lip is arranged on the inner wall, close to the self-locking spring structure, of the rubber body; a protection structure is arranged at the bottom, close to the main sealing lip, of the inner wall of the rubber body; an adjusting ring is fixedly connected to the bottom of the reinforcing framework; the bottom of the adjusting ring is fixedly connected with a fixing ri