Tyre inflation device

In a tire filling device with a machine frame (2), a tire filling bell (4) arranged on the machine frame (2), and a bearing and sealing device (5) for sealing a filling chamber, the tire filling bell (4) is composed of a filling plate (10) and a separate filling ring (11). A magazine (3) has a magazine frame (20) and magazine guides (21) arranged in several parallel planes, each of which can rotatably support a filling ring (11, 11'). The magazine frame (20) and the filling plate (10) are movable relative to one another in the direction of the axis of rotation into several transfer positions, in which the magazine guide (21) is respectively connected to a filling plate guide (18) arranged on the filling plate (10). A filling ring (11) located in the magazine guide (21) arranged in the transfer position can be conveyed by a conveying device (40) into a filling plate guide and into a centric position on the filling plate (10).