Mistake operation locking device is prevented to parcel formula valve

The utility model discloses a mistake operation locking device is prevented to parcel formula valve, fixing box body include that the first fixed body and second are physically fixed, the fixed body swing joint of the first fixed body and second, the punishment of opening and shutting of the fixed body of the first fixed body and second do not is equipped with first socket and second socket, and first socket and second socket set up from top to bottom, be equipped with door wheel fixed part and valve rod fixed part in the fixing box body, door wheel fixed part and valve rod fixed part all include a plurality of connecting rods, one end and the first fixed body or the fixed body coupling of second of connecting rod, and the other end and the buckle spare of connecting rod are connected, areequipped with the antiskid circle in the buckle spare, and the one side of antiskid circle is equipped with the wave wearing layer. The utility model provides a mistake operation locking device is prevented to parcel formula