Leak-proof gas valve well

The utility model discloses a leakproof gas valve well which comprises a gas valve well body, a fixing groove is formed in the top of the gas valve well body, a cover plate is arranged in the fixing groove, and a convex sealing ring is fixedly connected to the bottom of the cover plate. The cover plate is placed on the top of the gas valve well, the convex sealing ring is clamped in the concave sealing ring, meanwhile, a user rotates the screw block through the sleeve, the screw block rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the clamping plate to move and be clamped in the clamping groove, and the clamping plate is clamped in the clamping groove. Limiting is carried out through friction between the rubber pad and the friction pad, the cover plate can be pressed, the gas valve well achieves the anti-leakage effect, the existing mode that a well lid is used for sealing is replaced, gas can be sealed when leakage happens to the valve, the gas leakage phenomenon is avoided, t