Bracket connection structure and bracket

1. A bracket connection structure, used for connecting a supporting piece with a fixed piece of a bracket and comprising a first connection piece detachably mounted on the supporting piece, wherein at least one group of connection hole structures are arranged on the first connection piece; at least one group of convex structures are arranged on the fixed piece; the connection hole structures comprise two symmetrically disposed jacks, and the convex structures comprise two symmetrically disposed convex clasps; the jacks comprise insertion portions and clamping portions which are communicated with each other; a clearance of the clamping portions is smaller than that of the insertion portions; and the convex clasps are inserted into the insertion portions and move to be clamped into the clamping portions,

wherein the bracket connection structure further comprises a second connection piece detachably mounted on the fixed piece; the convex structures are arranged on the second connection piece; the second connection piece is flake-like; and the second connection piece is fixed onto the supporting piece through screws, and

wherein the insertion portions and the clamping portions are perpendicularly disposed; the convex clasps consist of connection portions and bent portions; one end of each of the connection portions is connected with the fixed piece, and the other end of each of the connection portions is connected with the corresponding bent portion; the bent portions are matched with the insertion portions; the connection portions are matched with the clamping portions; the bent portions are inserted into the insertion portions; the convex clasps move downwards to allow the connection portions to be clamped into the clamping portions; the bent portions are pressed on the first connection piece at one side of the clamping portions; and the connection portions are in interference fit with the clamping portions.

2. The bracket connection structure according to claim 1 , wherein the first connection piece is of a strip-type structure having a “—”-shaped or “L”-shaped or “ ”-shaped or “ ”-shaped; and the first connection piece covers the supporting piece.

3. The bracket connection structure according to claim 1 , wherein the bending directions of the bent portions of the two convex clasps are opposite to each other; and the convex clasps are elastic clasps.

4. The bracket connection structure according to claim 1 , wherein the jacks are of a “7” shape, and the convex clasps are of a “ ” shape.

5. A bracket connection structure, used for connecting a supporting piece with a fixed piece of a bracket, wherein the bracket connection structure comprises at least one group of connection hole structures arranged on the supporting piece and at least one group of convex structures arranged on the fixed piece; the connection hole structures comprise upper and lower jacks facing the same direction, and the convex structures comprise upper and lower convex clasps facing the same direction; the jacks comprise insertion portions and clamping portions which are communicated with each other; a clearance of the clamping portions is smaller than that of the insertion portions; and the convex clasps are inserted into the insertion portions and move to be clamped into the clamping portions,

wherein the insertion portions and the clamping portions are perpendicularly disposed; the convex clasps consist of connection portions and bent portions; one end of each of the connection portions is connected with the fixed piece, and the other end of each of the connection portions is connected with the corresponding bent portion; the bent portions are matched with the insertion portions; the connection portions are matched with the clamping portions; the bent portions are inserted into the insertion portions; the convex clasps move downwards to allow the connection portions to be clamped into the clamping portions; the bent portions are pressed on the supporting piece at one side of the clamping portions; and the connection portions are in interference fit with the clamping portions.

6. The bracket connection structure according to claim 5 , wherein the bending directions of the bent portions of the two convex clasps are opposite to each other; the jacks are of a “7” shape; the convex clasps are of a “ ” shape; and the convex clasps are elastic clasps.

7. The bracket connection structure according to claim 5 , wherein at least one pivot is also arranged on the fixed piece; the pivot and the convex clasps are located on the same surface of the fixed piece, and the pivot is located on one side of the convex clasps; and one side of each of the convex clasps is provided with one pivot, or one side of every two convex clasps is provided with one pivot.

8. The bracket connection structure according to claim 5 , wherein the connection hole structures and the supporting piece are integrated, or the connection hole structure is detachably mounted on the supporting piece; and the convex structures and the fixed piece are integrated, or the convex structures are detachably mounted on the fixed piece.

9. A bracket having an electric connection structure, consisting of a plurality of supporting pieces and a plurality of fixed pieces, wherein the supporting pieces and the fixed pieces are connected through the bracket connection structure according to claim 1 ; corresponding positions on the back surfaces of jacks are all provided with electric connection sheets connected to an external power supply; and connection hole structures form an electric socket.

10. The bracket having an electric connection structure according to claim 9 , wherein the plurality of groups of connection hole structures is orderly disposed along lengthwise directions of the supporting pieces, and the jacks in the same sides of the plurality of groups of connection hole structures share one electric connection sheet.

11. The bracket having an electric connection structure according to claim 9 , wherein each of the supporting pieces comprises a supporting piece main body; one side of the supporting piece main body is provided with a groove along the lengthwise direction of the supporting piece main body; the electric connection sheets are mounted in the groove; a notch upper cover of the groove is provided with a cover plate; and the connection hole structures are arranged on the cover plate.

12. The bracket having an electric connection structure according to claim 11 , wherein the electric connection sheets are detachably mounted in the groove through a mounting piece; two insertion slots are formed in the side, facing the cover plate, of the mounting piece; the two insertion slots are respectively opposite to the two symmetrically disposed jacks; and the electric connection sheets are respectively inserted into the two insertion slots.

13. The bracket having an electric connection structure according to claim 12 , wherein the cross sections of the electric connection sheets are mounted in the insertion slots in an elastically arc-shaped manner.

14. The bracket having an electric connection structure according to claim 12 , wherein a first convex structure is arranged on the inner side wall of the groove; one side of the mounting piece is provided with a first clamping slot; and the first convex structure is clamped into the first clamping slot.

15. The bracket having an electric connection structure according to claim 12 , wherein second convex structures are respectively arranged on two symmetric edges of the cover plate along the lengthwise direction of the cover plate; corresponding positions on the supporting piece main body are provided with second clamping slots; and the second convex structures are clamped into the second clamping slots.

16. The bracket having an electric connection structure according to claim 12 , wherein the mounting piece is made of an insulating material.