Hinge mechanism and electronic device

An electronic device, comprising a first housing, a second housing, a flexible display, and a hinge mechanism, wherein

• the first housing and the second housing are respectively disposed on two opposite sides of the hinge mechanism, the first housing fastening bracket is fastened to the first housing, and the second housing fastening bracket is fastened to the second housing;
• and
• the flexible display continuously covers the first housing, the second housing, and the hinge mechanism, and the flexible display is fastened to the first housing and the second housing;
• wherein the hinge mechanism comprises a main shaft assembly, a first housing fastening bracket, a second housing fastening bracket, a rotating module, and a damping module, wherein the first housing fastening bracket and the second housing fastening bracket are respectively disposed on two sides of the main shaft assembly, wherein
• the rotating module comprises a first swing arm and a second swing arm, the first swing arm is rotatably connected to the main shaft assembly, the first swing arm is slidably connected to the first housing fastening bracket, the second swing arm is rotatably connected to the main shaft assembly, and the second swing arm is slidably connected to the second housing fastening bracket;
• and
• the damping module comprises a first damping assembly and a second damping assembly, the first damping assembly comprises a first cam, a second cam, a first elastic member, and a first limiting block, the first cam is disposed on a side that is of the first swing arm and that is in an axial direction of the hinge mechanism, the second cam is located on a side that is of the first cam and that is away from the first swing arm, the second cam is slidably disposed on the first housing fastening bracket in the axial direction of the hinge mechanism, a cam surface of the second cam abuts against a cam surface of the first cam, the first limiting block is located on a side that is of the second cam and that is away from the first swing arm, the first limiting block is fastened to the first housing fastening bracket, and two ends of the first elastic member respectively abut against the second cam and the first limiting block;
• and the second damping assembly comprises a third cam, a fourth cam, a second elastic member, and a second limiting block, the third cam is disposed on a side that is of the second swing arm and that is in the axial direction of the hinge mechanism, the fourth cam is located on a side that is of the third cam and that is away from the second swing arm, the fourth cam is slidably disposed on the second housing fastening bracket in the axial direction of the hinge mechanism, a cam surface of the fourth cam abuts against a cam surface of the third cam, the second limiting block is located on a side that is of the fourth cam and that is away from the second swing arm, the second limiting block is fastened to the second housing fastening bracket, and two ends of the second elastic member respectively abut against the fourth cam and the second limiting block.