External locking structure of injection mold

The utility model relates to an external locking structure of an injection mold, the mold comprises a fixed mold plate, a movable mold plate and an elastic plate, the fixed mold plate, the movable mold plate and the elastic plate are coaxially driven and mounted from top to bottom and can relatively move up and down, a locking device is mounted on the outer side of the mold, the locking device comprises a limiting sleeve, a locking rod and an elastic block assembly, and the limiting sleeve is fixedly mounted on the outer side of the elastic plate; the upper end of the lock rod is fixed outside the movable template, and the lower end of the lock rod is slidably limited between the limiting sleeve and the mold; and an elastic block assembly is arranged on the outer side of the movable template corresponding to the inner side of the lock rod. According to the structural assembly, the opening and closing stroke of the mold plate is controlled through a mechanical structure, and the external locking structure is a