The object of the invention is a hinge structure, in particular for fastening of a door (1) or a corresponding of a metallic box or housing in a door opening, to which hinge structure belong at least one fixed part (3) to be fastened on the edge of the door opening turning parts (2) to be fastened on the door and an interlocking organ (4) for fastening of the fixed part and the turning parts turnable onto each other, the door has one or several fastening organs (7) and in the turning parts (2) there are one or several interlocking parts (5) to their form corresponding the fastening organs for fastening of the turning parts (2) on the door with a profile joint. The hinge structure is characterized in, that on the door one or several openings (6) have been formed, and that as the fastening organs (7) are functioning the edge parts of the door opening (6).