Floating type heat dissipation assembly, cover assembly for connector and connector

The utility model discloses a floating type heat dissipation assembly, a cover assembly for a connector and the connector, and the floating type heat dissipation assembly comprises an upper heat dissipation assembly which comprises an upper pedestal and a plurality of upper fins combined with the upper pedestal; the lower heat dissipation assembly comprises a lower base and a plurality of lower fins combined with the lower base; the plurality of upper fins and the plurality of lower fins are mutually engaged and contacted along the vertical direction; the at least one elastic piece forms a first end part section, a second end part section and an elastic connecting section for connecting the first end part section and the second end part section, the first end part section is combined and fixed with the upper base, and the second end part section is combined and fixed with the lower base; the elastic piece can generate elastic resistance to excessive approaching or excessive leaving of the upper heat dissipati