Rotating shaft body and electronic device

1. A rotating shaft body, comprising a first rotating surface and a second rotating surface, wherein the first rotating surface and the second rotating surface have a common side edge, an axis of rotation of the first rotating surface and an axis of rotation of the second rotating surface are on a same side and do not overlap, the first rotating surface is provided with a first stopper part, and the second rotating surface is provided with a second stopper part;

the rotating shaft body further comprises a supporting surface, the supporting surface is provided on a same side as the axes of rotation of the two rotating surfaces, the supporting surface is concave toward the two rotating surfaces, and two sides of the supporting surface are provided with a third stopper part and a fourth stopper part respectively;

wherein the first stopper part and the third stopper part are connected, to form a first stopping surface connecting the first rotating surface and the supporting surface;

the second stopper part and the fourth stopper part are connected, to form a second stopping surface connecting the supporting surface and the second rotating surface;

wherein the first stopping surface and the second stopping surface are located in a same plane.

2. The rotating shaft body according to claim 1 , wherein the rotating shaft body is a hollow rotating shaft body, and the rotating shaft body is formed by the first rotating surface, the second rotating surface, the second stopping surface, the supporting surface, and the first stopping surface which are sequentially connected in an enclosing manner.

3. The rotating shaft body according to claim 2 , wherein the rotating shaft body is provided with a wire-through hole.

4. The rotating shaft body according to claim 1 , wherein the supporting surface is concave to form a first arc-shaped groove; or,

the supporting surface is concave to form a second arc-shaped groove and a third arc-shaped groove; or,

the supporting surface is concave to form a rectangular groove.

5. The rotating shaft body according to claim 4 , wherein the rotating shaft body is provided with a wire-through hole.

6. The rotating shaft body according to claim 1 , wherein the rotating shaft body is provided with a wire-through hole.

7. The rotating shaft body according to claim 1 , wherein the rotating shaft body is provided with a wire-through hole.

8. An electronic device, comprising a first housing and a second housing, wherein the first housing and/or the second housing is provided with a display screen, the first housing and the second housing are connected by a rotating shaft body the first housing is rotatable around a first rotating surface of the rotating shaft body, and the second housing is rotatable around a second rotating surface of the rotating shaft body; wherein the rotating shaft body comprises the first rotating surface and the second rotating surface, wherein the first rotating surface and the second rotating surface have a common side edge, an axis of rotation of the first rotating surface and an axis of rotation of the second rotating surface are on a same side and do not overlap, the first rotating surface is provided with a first stopper part, and the second rotating surface is provided with a second stopper part; the rotating shaft body further comprises a supporting surface, the supporting surface is provided on a same side as the axes of rotation of the two rotating surfaces, the supporting surface is concave toward the two rotating surfaces, and two sides of the supporting surface are provided with a third stopper part and a fourth stopper part respectively, wherein the first stopper part and the third stopper part are connected, to form a first stopping surface connecting the first rotating surface and the supporting surface; the second stopper part and the fourth stopper part are connected, to form a second stopping surface connecting the supporting surface and the second rotating surface.

9. The electronic device according to claim 8 , wherein the display screen is disposed on sides of the first housing and/or the second housing close to the supporting surface of the rotating shaft body.

10. The electronic device according to claim 8 , wherein the first housing and the second housing are connected by the rotating shaft body, the rotating shaft body is provided with a wire-through hole;

the electronic device further comprises wiring, and the wiring extends from an interior of the first housing to an interior of the second housing through the wire-through hole in the rotating shaft body.

11. The electronic device according to claim 10 , wherein a first battery is provided in the first housing, a second battery is provided in the second housing, and the first battery and the second battery are electrically connected by the wiring.

12. The electronic device according to claim 10 , wherein the first housing is provided with a first display screen, the second housing is provided with a second display screen, and the first display screen and the second display screen are electrically connected by the wiring.

13. The electronic device according to claim 8 , wherein the rotating shaft body is a hollow rotating shaft body, and the rotating shaft body is formed by the first rotating surface, the second rotating surface, the second stopping surface, the supporting surface, and the first stopping surface which are sequentially connected in an enclosing manner.