Slim type air vent for vehicle and method of operating the same

An air vent for a vehicle, comprising:

• a housing having a discharge port, through which air is discharged in a direction toward a vehicle interior;
• an upper horizontal wing accommodated in a region of the discharge port and rotatably coupled to the housing;
• a lower horizontal wing which is disposed under the upper horizontal wing in the region of the discharge port and is rotatable according to a preset rotation direction of the upper horizontal wing;
• and
• a rotation link which connects the upper horizontal wing to the lower horizontal wing and controls the lower horizontal wing to rotate according to the preset rotation direction of the upper horizontal wing,
• wherein no horizontal wing that is rotatable other than the upper and lower horizontal wings is disposed inside the housing, and
• wherein the rotation link and a portion of the lower horizontal wing coupled thereto are movable together in an up and down direction so as to rotate the lower horizontal wing according to the preset rotation direction of the upper horizontal wing.

An air vent for a vehicle, comprising:

• a housing having a discharge port, through which air is discharged in a direction toward a vehicle interior;
• an upper horizontal wing accommodated in a region of the discharge port and rotatably coupled to the housing;
• a lower horizontal wing which is disposed under the upper horizontal wing in the region of the discharge port and is rotatable according to a preset rotation direction of the upper horizontal wing;
• and
• a spacer which is accommodated in the region of the discharge port and rotatably supports the upper horizontal wing and the lower horizontal wing,
• wherein the lower horizontal wing includes:
• an auxiliary wing of which an end portion disposed in the direction toward the vehicle interior is rotatably coupled to the spacer;
• a guide wing having a first end rotatably coupled to the auxiliary wing and a second end slidably coupled to the spacer;
• and
• a self-hinge which is rotatably inserted into an end portion of the auxiliary wing and an end portion of the guide wing to couple the auxiliary wing and the guide wing to each other.