Eccentric wheel structure and massager

The utility model belongs to the technical field of massagers and fitness equipment, and particularly relates to an eccentric wheel structure and a massager, the eccentric wheel structure comprises an eccentric wheel main body, and the eccentric wheel main body is provided with a first mounting hole and a second mounting hole which penetrate through the eccentric wheel main body; a driving assembly is mounted in the first mounting hole, an eccentric assembly is mounted in the second mounting hole and comprises a metal shaft, a metal bearing and a connecting rod, one end of the metal shaft extends into and is fixed in the second mounting hole, the end, extending out of the second mounting hole, of the metal shaft is sleeved with the metal bearing, and the metal bearing is sleeved with the connecting rod. The rotary motion in the axial direction is converted into the reciprocating linear motion of the head of the connecting rod through the driving motor, and compared with direct connection of an existing connec