Suspension holding mechanism

1. A suspension holding mechanism, adapted to mount an electronic device on a first ceiling structure or a second ceiling structure, comprising:

a supporter; and

a holder, detachably connected to the supporter, wherein the holder comprises a holder body, two first holding portions and two second holding portions, wherein the holder body has a first side and a second side, and the first side is opposite to the second side, the first holding portions are disposed on the holder body and are located on the first side of the holder body, and the second holding portions are disposed on the holder body and are located on the second side of the holder body,

wherein the first ceiling structure has a first ceiling structure width, the second ceiling structure has a second ceiling structure width, the first ceiling structure width is shorter than the second ceiling structure width,

wherein in a first state, the first holding portions are connected to two sides of the first ceiling structure, and the supporter is connected to the second side of the holder body,

wherein in a second state, the second holding portions are connected to two sides of the second ceiling structure, and the supporter is connected to the first side of the holder body.

2. The suspension holding mechanism as claimed in claim 1 , wherein the supporter has a supporter axis, the holder has a holder axis, and in the first state, the supporter axis is parallel to the holder axis, and the supporter axis is parallel to the first ceiling structure, and in the second state, the supporter axis is not parallel to the holder axis, and the supporter axis is parallel to the second ceiling structure.

3. A suspension holding mechanism, adapted to mount an electronic device on a first ceiling structure or a second ceiling structure, comprising:

a supporter; and

a holder, detachably connected to the supporter, wherein the holder comprises a holder body, two first holding portions and two second holding portions, the first holding portions are disposed on the holder body and are located on a first surface of the holder body, and the second holding portions are disposed on the holder body and are located on a second surface of the holder body,

wherein the first ceiling structure has a first ceiling structure width, the second ceiling structure has a second ceiling structure width, the first ceiling structure width is shorter than the second ceiling structure width,

wherein in a first state, the first holding portions are connected to two sides of the first ceiling structure, and the supporter is connected to the second surface of the holder body,

wherein in a second state, the second holding portions are connected to two sides of the second ceiling structure, and the supporter is connected to the first surface of the holder body,

wherein the supporter has a supporter axis, the holder has a holder axis, and in the first state, the supporter axis is parallel to the holder axis, and the supporter axis is parallel to the first ceiling structure, and in the second state, the supporter axis is not parallel to the holder axis, and the supporter axis is parallel to the second ceiling structure,

wherein the supporter comprises a plurality of hooks, in the first state, the hooks are connected to the second holding portions, and in the second state, the hooks are connected to the first holding portions.

4. The suspension holding mechanism as claimed in claim 3 , further comprising at least one restriction bolt, wherein the holder body comprises at least one first restriction hole and at least one second restriction hole, and in the first state, the restriction bolt is connected to the first restriction hole to restrict the freedom of the holder relative to the supporter, and in the second state, the restriction bolt is connected to the second restriction hole to restrict the freedom of the holder relative to the supporter.

5. The suspension holding mechanism as claimed in claim 4 , wherein in the first state, the restriction bolt tightly presses the first ceiling structure, and in the second state, the restriction bolt tightly presses the second ceiling structure.

6. The suspension holding mechanism as claimed in claim 4 , wherein each hook comprises a hook connection portion, a hook base portion, a hook protrusion and a hook restriction recess, the hook base portion is connected to the hook connection portion, the hook protrusion is formed on the hook base portion, the hook restriction recess is formed on the hook base portion, and in the first state, the hook restriction recess corresponds to the first restriction hole, the restriction bolt is adapted to abut the hook restriction recess to restrict the freedom of the holder relative to the supporter, and in the second state, the hook connection portion is adjacent to the second restriction hole, and the restriction bolt is adapted to abut the hook connection portion to restrict the freedom of the holder relative to the supporter.

7. The suspension holding mechanism as claimed in claim 6 , wherein an end of the hook protrusion has a first abutting edge, and in the first state, the hook protrusion overlaps the second holding portion, and the first abutting edge abuts an inner wall of the second holding portion.

8. The suspension holding mechanism as claimed in claim 6 , wherein each first holding portion comprises a holding portion opening, the hook base portion has a second abutting edge formed on two sides of the hook protrusion, and in the second state, the hook protrusion passes through the holding portion opening, and the second abutting edge abuts an inner wall of the first holding portion.

9. The suspension holding mechanism as claimed in claim 6 , wherein the hook base portion is substantially triangular, the hook restriction recess is formed on a first side of the hook base portion, the hook connection portion is connected to the first side, and the hook protrusion is formed on a second side of the hook base portion.

10. The suspension holding mechanism as claimed in claim 1 , wherein the supporter has a supporter axis, the holder has a holder axis, and in the first state, the supporter axis is parallel to the holder axis, and the supporter axis is parallel to the first ceiling structure, and in the second state, the supporter axis is parallel to the holder axis, and the supporter axis is parallel to the second ceiling structure.

11. The suspension holding mechanism as claimed in claim 10 , wherein the holder further comprises two first elastic holding portions, the first elastic holding portions are connected to the holder body, and in the first state, the first holding portions are connected to the two sides of the first ceiling structure, and the first elastic holding portions abut the two sides of the first ceiling structure.

12. The suspension holding mechanism as claimed in claim 11 , wherein the holder further comprises two second elastic holding portions, the second elastic holding portions are connected to the second holding portions, and in the second state, the second holding portions are connected to the two sides of the second ceiling structure, and the second elastic holding portions abut the two sides of the second ceiling structure.

13. The suspension holding mechanism as claimed in claim 12 , wherein each second elastic holding portion comprises an extending section and a holding section, the extending section connects the second holding portion to the holding section, the second holding portion and the holding section on different ends of the extending section abut the two sides of the second ceiling structure.

14. The suspension holding mechanism as claimed in claim 12 , further comprising at least one fastening bolt, wherein the fastening bolt affixes the holder body to the supporter.