Button structure and wearable device

A button structure applied to a wearable device, the button structure comprising:

• a housing provided with a mounting chamber, a movable chamber and a button hole communicating with the movable chamber, wherein the movable chamber is communicated with the mounting chamber;
• a trigger assembly provided in the mounting chamber;
• and
• a button assembly, comprising button shaft and an operating member, wherein the button shaft is movably disposed in the movable chamber, a part of the button shaft is inserted into the mounting chamber for corresponding to the trigger assembly, a rotating groove is provided at an end of the button shaft away from the trigger assembly, the operating member has a spherical shape, the operating member is movably disposed in the button hole, and a part of the operating member is rotatably accommodated in the rotating groove, such that the operating member rotates 360° with respect to the rotating groove, without separation from the rotating groove,
• wherein the operating member is pressed to drive the button shaft for triggering the trigger assembly;
• and/or
• the operating member is rotated for triggering the trigger assembly.