Manual stop valve for container blanking

The utility model relates to a manual stop valve for container blanking, which comprises a stop valve assembly, a fixing device is arranged at a blanking port of a corresponding container, the stop valve assembly comprises an upper locking plate and a lower locking plate which are arranged up and down, and blanking holes corresponding to the blanking port of the container are respectively arranged on the upper locking plate and the lower locking plate; the sliding plate is movably mounted between the upper lock plate and the lower lock plate, and a corresponding valve hole is formed in the position, corresponding to the blanking hole, of the sliding plate; the driving mechanism comprises a limiting rod fixedly connected to the bottom of the lower lock plate, the limiting rod is outwards hinged to a corresponding first connecting rod, the first connecting rod is upwards hinged to a corresponding second connecting rod, the middle of the second connecting rod is inwards concave and hinged to the sliding plate, a