A collapsible electronic equipment , comprising: a first part having a front surface (S1) and a rear surface (S2) opposite to the front surface (S1); a hinge device disposed on the first part and including a shaft rotating about an axis along a third direction (D3) parallel to an edge of the first part ; and a second part fixed on the shaft , the second part is rotatable relative to the first part via the shaft to cover the front surface (S1) in a covering position and to cover the rear surface (S2) in a rear position; characterized in that the hinge device further comprises: a shifting mechanism , wherein the shaft is pivotable on the shifting mechanism ; and a driving mechanism coupled to the shifting mechanism , ; wherein the driving mechanism is adapted to drive the shifting mechanism together with the shaft to move up and down between a first and a second position along the second direction (D2) perpendicular to the third direction (D3) of the rotation axis of the shaft when the second part is located at an inclined angle between 90 degrees and 270 degrees relative to the first part , wherein in the first position, the second part is able to rotate via the shaft to take the covering position to cover the front surface (S1) of the first part , and wherein in the second position the second part is able to rotate via the shaft to take the rear position to cover the rear surface (S2) of the first part . a first part having a front surface (S1) and a rear surface (S2) opposite to the front surface (S1); a hinge device disposed on the first part and including a shaft rotating about an axis along a third direction (D3) parallel to an edge of the first part ; and a second part fixed on the shaft , the second part is rotatable relative to the first part via the shaft to cover the front surface (S1) in a covering position and to cover the rear surface (S2) in a rear position; characterized in that the hinge device further comprises: a shifting mechanism , wherein the shaft is pivotable on the shifting mechanism ; and a driving mechanism coupled to the shifting mechanism , ; wherein the driving mechanism is adapted to drive the shifting mechanism together with the shaft to move up and down between a first and a second position along the second direction (D2) perpendicular to the third direction (D3) of the rotation axis of the shaft when the second part is located at an inclined angle between 90 degrees and 270 degrees relative to the first part , wherein a shifting mechanism , wherein the shaft is pivotable on the shifting mechanism ; and a driving mechanism coupled to the shifting mechanism , ; wherein the driving mechanism is adapted to drive the shifting mechanism together with the shaft to move up and down between a first and a second position along the second direction (D2) perpendicular to the third direction (D3) of the rotation axis of the shaft when the second part is located at an inclined angle between 90 degrees and 270 degrees relative to the first part , wherein in the first position, the second part is able to rotate via the shaft to take the covering position to cover the front surface (S1) of the first part , and wherein in the second position the second part is able to rotate via the shaft to take the rear position to cover the rear surface (S2) of the first part . <EOS>