LINKAGE-TYPE TOILET SUPPORT CLAMPING MECHANISM, TOILET SEAT COVER PLATE CONNECTING ASSEMBLY, AND TOILET SEAT COVER PLATE

A linkage-type toilet support clamping mechanism, a toilet seat cover plate connecting assembly, and a toilet seat cover plate. The linkage-type toilet support clamping mechanism is arranged in a sleeve (1) and comprises a limiting portion (11), the limiting portion (11) being fixed to an inner wall of the sleeve (1); and further comprises a bushing (21), a driving member (22), a rotating shaft (23) and a linkage member (25), wherein the driving member (22) and the linkage member (25) are respectively provided with clamping ends (221, 253) for clamping and limiting a support; the bushing (21) is connected to the linkage member (25); the driving member (22), the rotating shaft (23) and the limiting portion (11) are sequentially arranged in the bushing (21); and a first elastic member (241) is provided between the rotating shaft (23) and the limiting portion (11), and a second elastic member (242) is provided between the limiting portion (11) and the linkage member (25), such that linkage is achieved by using t