Modular support for automobile doors, door assembly for an automobile and method for mounting the modular support on a door frame

Door assembly for an automobile, comprising:

• a door frame;
• and
• a modular support, the modular support further comprising:
• a support panel configured for assembly on said panel of accessory elements of an automobile door;
• and
• at least one attachment unit for attaching the panel to the door frame;
• wherein said at least one attachment unit further comprises:
• an orifice in the panel;
• a screw mounted on said panel that passes through the orifice of the panel, the screw being provided with a head placed on a first side of the orifice;
• a nut placed on a second side of the orifice, opposite the first side of the orifice, the screw being threaded in the nut;
• and
• a guide element that extends from a surface of the panel in correspondence with said second side of the orifice, said guide element being functionally related to the nut so that the guide element allows a movement of the nut in a direction parallel to a longitudinal axis (y) of the screw and stops the nut from moving along said longitudinal axis (y) of the screw.