Massager

A massager, comprising a housing, wherein

• an accommodating hole is provided on the housing and extends through the housing, a sleeve body is axially provided in a cavity of the accommodating hole, and the sleeve body is rotatably arranged relative to a cavity wall of the accommodating hole;
• an elastic cylinder body is axially fixed in a cavity of the sleeve body, and a plurality of elastic protrusions are distributed on a cavity wall of the elastic cylinder body;
• a first side portion of the accommodating hole forms a first housing cavity, a first driving motor is provided in the first housing cavity, and the first driving motor is in transmission connection with the sleeve body via a transmission mechanism to drive the sleeve body to rotate axially;
• the transmission mechanism comprises a gear and a gear ring provided on the sleeve body, the gear ring is arranged convexly along an outer peripheral surface of the sleeve body, the gear is driven to rotate by a driving force directly provided by the first driving motor or a driving force indirectly provided by the first driving motor, the gear is arranged in mesh with the gear ring to drive the sleeve body to rotate, and the gear is a spur gear, a turbine or a straight bevel gear;
• the gear ring comprises a ring body provided convexly along the outer peripheral surface of the sleeve body and a plurality of gear teeth formed on the ring body, and the plurality of gear teeth are arranged in an annular array and meshed with the gear;
• and
• the housing comprises an outer housing and a cylindrical inner housing, the accommodating hole is provided on the outer housing, the cylindrical inner housing is axially fixed in the cavity of the accommodating hole, and the cylindrical inner housing is nested with the sleeve body.