A rotating shaft module, comprising: a mounting housing; two rotating shafts (911, 921), arranged opposite to each other and rotatably connected to the mounting housing, respectively; wherein each of the two rotating shafts (911, 921) is configured to slide relative to the mounting housing in a sliding direction along an axis of each of the two rotating shafts; an elastic assembly, sleeved on each of the two rotating shafts (911, 921), abutted against the mounting housing, and configured to apply a force to each of the two rotating shafts (911, 921) along a direction opposite to the sliding direction of the each of the two rotating shafts (911, 921), such that each of the two rotating shafts (911, 921) is kept stable; whereby the rotating shaft module comprises: a first connecting member, threaded to each of the two rotating shafts (911, 921); and wherein the mounting housing comprises: a housing body, configured to be mounted with the two rotating shafts (911, 921); a supporting member, arranged opposite to the housing body; wherein a side of the supporting member facing towards the housing body is abutted against the elastic assembly, the supporting member is movably connected to the housing body such that the supporting member is movable in a direction away from or close to the housing body. a mounting housing; two rotating shafts (911, 921), arranged opposite to each other and rotatably connected to the mounting housing, respectively; wherein each of the two rotating shafts (911, 921) is configured to slide relative to the mounting housing in a sliding direction along an axis of each of the two rotating shafts; an elastic assembly, sleeved on each of the two rotating shafts (911, 921), abutted against the mounting housing, and configured to apply a force to each of the two rotating shafts (911, 921) along a direction opposite to the sliding direction of the each of the two rotating shafts (911, 921), such that each of the two rotating shafts (911, 921) is kept stable; whereby the rotating shaft module comprises: a first connecting member, threaded to each of the two rotating shafts (911, 921); and wherein the mounting housing comprises: a housing body, configured to be mounted with the two rotating shafts (911, 921); a supporting member, arranged opposite to the housing body; wherein a side of the supporting member facing towards the housing body is abutted against the elastic assembly, the supporting member is movably connected to the housing body such that the supporting member is movable in a direction away from or close to the housing body. a first connecting member, threaded to each of the two rotating shafts (911, 921); and wherein the mounting housing comprises: a housing body, configured to be mounted with the two rotating shafts (911, 921); a supporting member, arranged opposite to the housing body; wherein a side of the supporting member facing towards the housing body is abutted against the elastic assembly, the supporting member is movably connected to the housing body such that the supporting member is movable in a direction away from or close to the housing body. a housing body, configured to be mounted with the two rotating shafts (911, 921); a supporting member, arranged opposite to the housing body; wherein a side of the supporting member facing towards the housing body is abutted against the elastic assembly, the supporting member is movably connected to the housing body such that the supporting member is movable in a direction away from or close to the housing body.