Active air flap device for vehicle

1. An active air flap device for a vehicle, comprising:

a housing mounted in a bumper cover;

one or more flaps rotatably mounted in the housing, and exposed to the outside through a hole formed in the bumper cover to form a same skin line as the bumper cover;

a link connected to the one or more flaps;

a loader mounted in the link; and

a driving part configured to rotate the loader,

wherein the one or more flaps comprise:

an upper flap rotatably mounted in the housing, and configured to cover an open area of the housing; and

a lower flap disposed under the upper flap, rotatably mounted in the housing, and configured to cover the open area of the housing,

wherein the upper flap comprises:

an upper skin configured to cover the open area of the housing;

an upper sidewall formed at either end of the upper skin, and protruding backward;

an upper rotating shaft formed in the upper sidewall, and rotatably mounted in the housing; and

an upper operating shaft formed in the upper sidewall, disposed at the rear of the upper rotating shaft, and rotatably coupled to the link.

2. The active air flap device for a vehicle of claim 1 , wherein the housing comprises:

a housing duct configured to pass fluid, and having the one or more flaps rotatably mounted therein; and

a housing coupling protruding outward from the housing duct and coupled to the bumper cover.

3. The active air flap device for a vehicle of claim 1 , wherein the upper sidewall comprises:

a first upper sidewall extended backward from either end of the upper skin;

a second upper sidewall extended upward from the first upper sidewall, and having the upper rotating shaft formed at the top thereof; and

a third upper sidewall extended backward from the second upper sidewall, and having the upper operating shaft formed outside a rear end thereof.

4. The active air flap device for a vehicle of claim 1 , wherein the lower flap comprises:

a lower skin disposed under the upper skin, and configured to cover the open area of the housing;

a lower sidewall formed at either end of the lower skin, and protruding backward;

a lower rotating shaft formed in the lower sidewall, and rotatably mounted in the housing; and

a lower operating shaft formed in the lower sidewall, disposed at the rear of the lower rotating shaft, and rotatably coupled to the link.

5. The active air flap device for a vehicle of claim 4 , wherein the lower sidewall comprises:

a first lower sidewall extended backward from either end of the lower skin;

a second lower sidewall extended upward from the first lower sidewall, and having the lower rotating shaft formed at the top thereof; and

a third lower sidewall extended backward from the second lower sidewall, and having the lower operating shaft formed inside a rear end thereof.

6. The active air flap device for a vehicle of claim 4 , wherein an upper end of the link is mounted to rotate with the upper operating shaft,

a lower end of the link is mounted to rotate with the lower operating shaft, and

the loader is rotatably coupled to the link.

7. The active air flap device for a vehicle of claim 4 , wherein the distance between the lower sidewalls is set to a larger value than the distance between the upper sidewalls.

8. An active air flap device for a vehicle, comprising:

a housing mounted in a bumper cover;

a flap rotatably mounted in the housing, and exposed to the outside through a hole formed in the bumper cover to form a same skin line as the bumper cover;

a link connected to the one or more flaps;

a loader mounted in the link; and

a driving part configured to rotate the loader,

wherein the flap comprises:

a flap skin configured to cover an open area of the housing;

a flap sidewall formed at either end of the flap skin;

a flap rotating shaft formed in the flap sidewall, and rotatably mounted in the housing; and

a flap operating shaft formed in the flap sidewall, and rotatably coupled to the link.