Door opening and closing apparatus for vehicle

A door opening and closing apparatus for a vehicle, comprising:

• a lead screw hinge-coupled to one of a door or a body of the vehicle;
• and
• an opening and closing module coupled to the other of the door or the body, the opening and closing module being arranged such that the lead screw passes through a center of the opening and closing module, and configured to move to a first side of the lead screw to close the door or to a second side of the lead screw to open the door,
• wherein the opening and closing module comprises:
• a drive module configured to provide a rotation that is converted to linear reciprocation of the opening and closing module relative to the lead screw;
• and
• a planetary gear reduction module configured to transmit the rotation of the drive module at a preset gear reduction ratio, and
• wherein the lead screw is disposed along a rotation center of the drive module.