Drawable hinge device for blank door and blank door assembly system

The utility model belongs to the technical field of hinge devices, and particularly relates to a drawable hinge device for a blank door and a blank door assembly system.The drawable hinge device for the blank door comprises a first fixed hinge piece, a second fixed hinge piece and a stretching adjusting block; the first fixed hinge is fixed to the first fixed face, the second fixed hinge is fixed to the second fixed face, the stretching adjusting block penetrates through the second fixed hinge, and one end of the stretching adjusting block is hinged to the first fixed hinge. The door leaf is fixed through the first fixing hinge piece, the second fixing hinge piece is fixed to the wall face, the door leaf can rotate relative to the wall face and move relative to the wall face by stretching the adjusting block, the requirement for a drawable hinge of a hospital corridor blank door is met, the limitation of a traditional hinge is effectively broken through, on-site fire welding operation is not needed, and the w