A plurality of suspension devices for vehicles

A suspension device (1) for vehicles that comprises means for connection between a wheel (2) of a vehicle and the chassis (3) of the vehicle. The connection means comprise a cylindrical enclosure (4), which defines internally an upper chamber (5) and a lower chamber (6), which are mutually separated by a piston (7) that can slide axially, relative to the cylindrical enclosure (4). The cylindrical enclosure (4) is integrally fixed to the chassis (3) of the vehicle, while the piston (7) is connected to the wheel (2).