Manual gas block valve

The utility model relates to a manual gas block valve which comprises a valve body, a valve rod and a locking structure. The locking structure comprises an elastic tongue, a spring, an anti-misoperation handle and a pressing tool; a blind hole is formed in the valve body, and the spring and the elastic tongue are sequentially arranged in the blind hole. The anti-misoperation handle is fixed to the upper end of the valve rod, and when the anti-misoperation handle drives the valve rod to rotate, the portion, corresponding to the blind hole, of the anti-misoperation handle is two faces with height difference, one face is a pressure face capable of completely pressing the elastic tongue into the blind hole, and the other face is a free face enabling the elastic tongue to freely bounce upwards. The pressing tool can press the elastic tongue and rotate along with the anti-misoperation handle. 本实用新型涉及一种燃气手动截断阀，包括阀体、阀杆，还包括锁死结构；锁死结构包括弹舌、弹簧、防误操作手柄和按压工具；阀体上设有一盲孔，弹簧和弹舌相继设置在该盲孔内；防误操作手柄与阀杆上端固定，其带动阀杆转动时，自身与盲孔对应的部位为具有高度差的两个面