Gate valve with exhaust function

The utility model relates to the field of valves, in particular to a gate valve with an exhaust function. The gate valve comprises a gate valve body with an opening in the upper portion, a valve deckis in threaded connection with the opening of the gate valve body, a first through hole is formed in the center of the valve deck, a boss is fixedly connected to the upper end of the valve deck, a second through hole is formed in the center of the boss, a valve rod penetrates through the first through hole, and the upper end of the valve rod abuts against a threaded rod; a hand wheel is arranged at the upper end of the threaded rod, a valve plate for controlling opening and closing is perpendicularly connected to the lower end of the valve rod, and two exhaust valves are arranged on the gate valve body. The two exhaust valves are arranged on the gate valve body, and the exhaust valves are symmetrically arranged on the two sides, where liquid flows, of the valve plate, so that the liquid passing through the flowing