Compression structure, compressor and refrigeration equipment

The utility model belongs to the technical field of refrigeration, and particularly relates to a compression structure, a compressor and refrigeration equipment, the compression structure comprises a first air cylinder, a second air cylinder, a middle plate and a crankshaft, and the first air cylinder is provided with a first compression cavity and a first piston; the second cylinder is provided with a second compression cavity and a second piston; the middle plate is arranged between the first air cylinder and the second air cylinder, a sliding hole is formed in the middle plate, and a communicating channel used for communicating an air outlet of the first compression cavity with an air inlet of the second compression cavity is formed in the middle plate; the crankshaft comprises a first eccentric section, a middle shaft section and a second eccentric section which are connected in sequence; the first eccentric section is located in the first compression cavity and connected with the first piston. The second