Server holder and server system including same

1. A server holder for receiving at least one server, the server comprising two opposite sidewalls, each sidewall having a sliding rail, the server holder comprising:

two opposite lateral plates, each lateral plate defining a plurality of rows of receiving holes; and

a plurality of supporting structures, each supporting structure being received in one receiving hole, each supporting structure comprising:

a supporting block pivotably connected to a corresponding one of the lateral plates, the supporting block defining a sliding slot, and comprising a resisting surface facing towards interior of the server holder, the sliding rail on each sidewall being configured to slide along the sliding slot; and

a torsion spring positioned on the supporting block to provide an elastic force to push the supporting block to keep the resisting surface resisting against a corresponding sidewall.

2. The server holder as claimed in claim 1 , wherein the server holder comprises a top plate, and the sliding slot faces towards the top plate.

3. The server holder as claimed in claim 2 , wherein the two opposite lateral plates are parallel to each other, and are perpendicular to the top plate.

4. The server holder as claimed in claim 1 , wherein the server holder defines an inserting opening between the two opposite lateral plates, and the supporting block comprises a guide surface facing towards the inserting opening.

5. The server holder as claimed in claim 1 , wherein the supporting block defines a receiving groove on a surface thereof facing away from the resisting surface, the torsion spring is received in the receiving groove, the torsion spring comprises a first leg resisting against a bottom wall of the receiving groove, and a second leg resisting against the corresponding lateral plate.

6. The server holder as claimed in claim 1 , wherein the supporting structures received in one row of the receiving holes are configured to cooperatively support one server.

7. The server holder as claimed in claim 1 , wherein the receiving holes are through holes.

8. The server holder as claimed in claim 1 , wherein each supporting structure comprises a rotating shaft, the supporting block defines a shaft hole, the rotating shaft passes through the shaft hole and the torsion spring, two ends of the rotating shaft are positioned on the corresponding lateral surface, the supporting block is pivotably connected to the corresponding lateral plate via the rotating shaft.

9. The server holder as claimed in claim 1 , wherein the resisting surface is capable of moving along a direction substantially perpendicular to the corresponding lateral plate by rotating the supporting block.

10. A server system comprising:

at least one server, each server comprising two opposite sidewalls, each sidewall having a sliding rail; and

a server holder receiving the at least one server, the server holder comprising:

two opposite lateral plates, each lateral plate defining a plurality of rows of receiving holes; and

a plurality of supporting structures, each supporting structure being received in one receiving hole, each supporting structure comprising:

a supporting block pivotably connected to a corresponding one of the lateral plates, the supporting block defining a sliding slot, and comprising a resisting surface facing towards interior of the server holder, the sliding slot receiving a corresponding sliding rail and allowing the corresponding sliding rail to slide and

a torsion spring positioned on the supporting block to provide an elastic force

to push the supporting block to keep the resisting surface resisting against a corresponding sidewall.

11. The server system as claimed in claim 10 , wherein the sliding rail on the sidewall extends from a top end of the sidewall.

12. The server system as claimed in claim 10 , wherein the server holder comprises a top plate, and the sliding slot faces towards the top plate.

13. The server system as claimed in claim 12 , wherein the two opposite lateral plates are parallel to each other, and are perpendicular to the top plate.

14. The server system as claimed in claim 10 , wherein the server holder defines an inserting opening between the two opposite lateral plates, and the supporting block comprises a guide surface facing towards the inserting opening.

15. The server system as claimed in claim 10 , wherein the supporting block defines a receiving groove on a surface thereof facing away from the resisting surface, the torsion spring is received in the receiving groove, the torsion spring comprises a first leg resisting against a bottom wall of the receiving groove, and a second leg resisting against the corresponding lateral plate.

16. The server system as claimed in claim 10 , wherein the supporting structures received in one row of the receiving holes cooperatively support one server.

17. The server system as claimed in claim 10 , wherein the receiving holes are through holes.

18. The server system as claimed in claim 10 , wherein each supporting structure comprises a rotating shaft, the supporting block defines a shaft hole, the rotating shaft passes through the shaft hole and the torsion spring, two ends of the rotating shaft are positioned on the corresponding lateral surface, the supporting block is pivotably connected to the corresponding lateral plate via the rotating shaft.

19. The server system as claimed in claim 10 , wherein the resisting surface is capable of moving along a direction substantially perpendicular to the corresponding lateral plate by rotating the supporting block.