Hubcap central locking mechanism

A hubcap central locking mechanism comprises a hubcap (10), a hubcap locking member (12) and a decorative cover (14), wherein the hubcap (10) comprises a screw (1), the screw (1) is in threaded connection with an interlinked pressing member (8) for fixedly installing an outer supporting member (2);

• a primary member of the central locking mechanism (4) is installed on a radially outer surface of a side wall of the outer supporting member (2), a plurality of clamping bead holes used for placing clamping beads (3) are set at a radially outboard bottom edge of an axially inner wall of the primary member of the central locking mechanism (4), and a side wall of the primary member of the central locking mechanism (4) is provided with threads for spirally installing a locking member of the central locking mechanism (6), a wheel hub silicone gasket (5) is installed at an axially outer bottom of the locking member of the central locking mechanism (6), and a spring (7) is installed in a middle space between an axially inner bottom of the interlinked pressing member (8) and an axially outer top of the outer supporting member (2).