Air conditioning device for vehicle

An air conditioning device for a vehicle, the device comprising:

• an air conditioning unit disposed in at least one of front or rear of the vehicle;
• a duct unit blowing air of the air conditioning unit into an interior and extending inside of at least one of a front pillar or a rear pillar;
• and
• a vent unit communicating with the duct unit through a connecting duct and selectively opening and closing a discharge path of at least one of a main path, a first path, or a second path so as to discharge the blown air to a side of a roof frame,
• wherein the vent unit comprises:
• an outer housing part connected to the connecting duct;
• an inner housing part mounted inside the outer housing part and forming the discharge path;
• a first shutter part rotatably mounted inside the outer housing part and selectively blocking the second path;
• and
• a second shutter part rotatably mounted inside the outer housing part and selectively blocking the first path,
• wherein the vent unit further comprises a rotation adjustment part connected to the first shutter part and the second shutter part together, and being rotated around a center shaft,
• wherein the adjustment part comprises:
• an operation dial having a part exposed out of the vent unit and being rotatably provided;
• a first operation guide accommodating therein a first transmission shaft connected to a rotation shaft of the first shutter part and guiding an operation of the first shutter part by moving the first transmission shaft depending on rotation of the operation dial in one direction;
• and
• a second operation guide accommodating therein a second transmission shaft connected to a rotation shaft of the second shutter part and guiding an operation of the second shutter part by moving the second transmission shaft depending on rotation of the operation dial in the other direction.