Shaft assembly and electronic device including the same

A shaft assembly, configured to pivotally couple a first module body to a second module body, comprising:

• two double shaft hinges, one end of each of the double shaft hinges configured to be pivotally coupled to the first module body, another end of each of the double shaft hinges configured to be pivotally coupled to the second module body, wherein the first module body is pivotable about a first axis with respect to the second module body via the two double shaft hinges, the second module body is pivotable about a second axis with respect to the first module body via the two double shaft hinges, the first axis parallels the second axis, and the first axis is closer to the first module body than the second axis to the first module body;
• and
• a main cover plate, located between the two double shaft hinges, and two ends of the main cover plate respectively connected to the two double shaft hinges;
• wherein the main cover plate is located on one side of a reference plane where both the first axis and the second axis are located.