Robot with rotary structure

A robot, comprising:

• a robot head portion, wherein the robot head portion comprises a housing defining an internal space and a fixing frame disposed in the internal space, and at least one set of connection assemblies are disposed between the housing and the fixing frame;
• wherein each of the connection assemblies comprises a fixing shaft fixedly connected to the fixing frame and a flange rotatably installed to the fixing shaft, and the flange is fixedly connected to the housing;
• a shoulder portion;
• and
• a rotary structure, wherein the rotary structure comprises an adapter rotatably connecting the fixing shaft about an axis of the fixing shaft and a drive source rotating the adapter, wherein the adapter comprises an installation disc portion for connecting the shoulder portion, a drive portion for connecting the drive source, and a holding portion connected between the installation disc portion and the drive portion;
• wherein, the fixing shaft defines a first shaft hole for accommodating the drive portion, the drive source is disposed on the fixing frame and supported by the fixing frame, the drive portion and the fixing shaft are disposed coaxially.