Device for locking rims of a vehicle on supporting means of a tyre servicing machine

The device (1) for locking wheel rims for vehicles on repair workshop machines, particularly tyre-changing machines or the like, comprises fastening means (2) associable in a removable way with supporting means (B) of the rim of a wheel (A) in a vehicle repair workshop machine or the like, a stop element (3) engageable on a rim arranged on the supporting means (B) for locking the rim itself and simultaneous movement means (4) associated with the fastening means (2) and with the stop element (3) and suitable for simultaneously moving the fastening means (2) and the stop element (3) between a release configuration, wherein the fastening means (2) are released from the supporting means (B) and the stop element (3) is substantially disengaged from the rim, and a locking configuration, wherein the fastening means (2) are associated with the supporting means (B) and the stop element (3) is engaged on the rim.