Flap automatically-locking active air flap apparatus for vehicle

An active air flap apparatus comprising:

• a four-link mechanism for closing and opening a flap positioned in a flap space in a housing;
• a driveshaft coupled to the four-link mechanism and configured to be rotated to operate the four-link mechanism;
• and
• a rotation shaft coupled to the four-link mechanism and about which the flap is rotated,
• wherein the driveshaft and the rotation shaft are separated from each other and are connected to the four-link mechanism and the flap,
• wherein the four-link mechanism includes:
• a first link;
• a second link;
• and
• a third link hinged to the second link,
• wherein the second link and the third link are positioned between the flap and the driveshaft, and
• wherein the first link is hinged to the second link, and
• wherein the flap is closed when a point at which the second link and the third link intersect is on a line that connects a point where the first link and the second link intersect and the driveshaft.