Device for ventilating a vehicle

A ventilating device for ventilating a vehicle, comprising:

• a frame defining an opening;
• and
• a closing device comprising at least one closing flap extending in a direction in the opening, the closing device being movable between an open position and a closed position such that a passage surface for the air through the ventilating device is smaller than the passage surface for the air when the closing device is in the open position,
• the closing flap being movable between an open position when the closing device is in the open position and a closed position when the closing device is in the closed position,
• the closing flap being mounted pivotably at each of its ends on the frame along a pivot axis substantially parallel to said direction in order to pivot the closing flap between the open position and the closed position,
• wherein the closing device further comprises a guide system for guiding the closing flap arranged between the two ends of the closing flap, the guide system comprising a guide slot and a pin moving in the guide slot between the open position and the closed position.