PROTECTION STRUCTURE APPLIED TO A HAND-HELD ELECTRONIC DEVICE

1 . A protection structure applied to a hand-held electronic device, the hand-held electronic device has a front surface, a rear surface opposite to the front surface, a surrounding peripheral surface disposed between the front surface and the rear surface, a front surrounding edge connected between the front surface and the surrounding peripheral surface, and a rear surrounding edge connected between the rear surface and the surrounding peripheral surface, wherein the protection structure comprises:

a protection unit including at least one first protection frame corresponding to the front surrounding edge of the hand-held electronic device and at least one second protection frame corresponding to the rear surrounding edge of the hand-held electronic device, wherein the hand-held electronic device is placed between the at least one first protection frame and the at least one second protection frame, the at least one first protection frame has at least two first upper retaining structures, and the at least one second protection frame has at least two second upper retaining structures respectively corresponding to the at least two first upper retaining structures; and

a connection unit including at least one connection element slidably disposed between the at least one first protection frame and the at least one second protection frame, wherein the at least one first protection frame and the at least one second protection frame are respectively positioned on the front surrounding edge and the rear surrounding edge of the hand-held electronic device through the at least one connection element, and the at least one connection element has at least two first front retaining structures respectively retainingly mated with the at least two first upper retaining structures and at least two first rear retaining structures respectively retainingly mated with the at least two second upper retaining structures.

2 . The protection structure of claim 1 , wherein the protection unit includes at least one first surrounding buffer pad disposed between an inner edge of the at least one first protection frame and the front surrounding edge of the hand-held electronic device and at least one second surrounding buffer pad disposed between an inner edge of the at least one second protection frame and the rear surrounding edge of the hand-held electronic device, the at least one first protection frame is separated from the hand-held electronic device by a first predetermined distance through the at least one first surrounding buffer pad, and the at least one second protection frame is separated from the hand-held electronic device by a second predetermined distance through the at least one second surrounding buffer pad.

3 . The protection structure of claim 1 , wherein each first upper retaining structure is a first retaining block and each first front retaining structure is a front retaining groove for receiving the first retaining block, wherein each second upper retaining structure is a second retaining block and each first rear retaining structure is a rear retaining groove for receiving the second retaining block.

4 . The protection structure of claim 1 , wherein the at least one first protection frame has at least two first lower retaining structures, the at least one second protection frame has at least two second lower retaining structures respectively corresponding to the at least two first lower retaining structures, and the at least one connection element has at least two second front retaining structures respectively retainingly mated with the at least two first lower retaining structures and at least two second rear retaining structures respectively retainingly mated with the at least two second lower retaining structures.

5 . The protection structure of claim 4 , wherein the at least two first upper retaining structures are respectively disposed on two opposite lateral sides of the at least one first protection frame, the at least two second upper retaining structures are respectively disposed on two opposite lateral sides of the at least one second protection frame, the at least two first lower retaining structures are disposed on the bottom side of the at least one first protection frame, and the at least two second lower retaining structures are disposed on the bottom side of the at least one second protection frame.

6 . The protection structure of claim 1 , wherein the at least one first protection frame has at least two first positioning grooves, the at least one second protection frame has at least two second positioning grooves, and the at least one connection element has at least two front positioning protrusions respectively positioned in the at least two first positioning grooves and at least two rear positioning protrusions respectively positioned in the at least two positioning grooves.

7 . The protection structure of claim 1 , wherein the at least one first protection frame has at least one first left-sided sliding track and at least one first right-sided sliding track, the at least one second protection frame has at least one second left-sided sliding track corresponding to the at least one first left-sided sliding track and at least one second right-sided sliding track corresponding to the at least one first right-sided sliding track, and the at least one connection element has at least one left-sided sliding groove for concurrently receiving the at least one first left-sided sliding track and the at least one second left-sided sliding track and at least one right-sided sliding groove for concurrently receiving the at least one first right-sided sliding track and the at least one second right-sided sliding track.

8 . The protection structure of claim 7 , wherein the at least one first left-sided sliding track and the at least one second left-sided sliding track are contacted with each other, and the at least one first right-sided sliding track and the at least one second right-sided sliding track are contacted with each other.

9 . The protection structure of claim 1 , wherein the at least one first protection frame has at least one first auxiliary retaining structure, and the at least one second protection frame has at least one second auxiliary retaining structure retainingly mated with the at least one first auxiliary retaining structure.

10 . The protection structure of claim 9 , wherein the at least one first auxiliary retaining structure is disposed on a top portion of the at least one first protection frame, the at least one second auxiliary retaining structure is disposed on a top portion of the at least one second protection frame, and the at least one connection element is connected between a bottom portion of the at least one first protection frame and a bottom portion of the at least one second protection frame.

11 . The protection structure of claim 1 , wherein the protection unit includes at least one pivot structure connected between a top portion of the at least one first protection frame and a top portion of the at least one second protection frame, and the at least one connection element is connected between a bottom portion of the at least one first protection frame and a bottom portion of the at least one second protection frame.

12 . The protection structure of claim 1 , wherein the at least one connection element is a U-shaped piece, and the at least one connection element has at least one through opening passing through the bottom side thereof for exposing a bottom portion of the hand-held electronic device.

13 . A protection structure applied to a hand-held electronic device, comprising:

a protection unit including at least one first protection frame and at least one second protection frame, wherein the hand-held electronic device is placed between the at least one first protection frame and the at least one second protection frame; and

a connection unit including at least one connection element slidably disposed between the at least one first protection frame and the at least one second protection frame, wherein the at least one first protection frame and the at least one second protection frame are positioned on the hand-held electronic device through the at least one connection element.

14 . The protection structure of claim 13 , wherein the protection unit includes at least one first surrounding buffer pad disposed between an inner edge of the at least one first protection frame and the front surrounding edge of the hand-held electronic device and at least one second surrounding buffer pad disposed between an inner edge of the at least one second protection frame and the rear surrounding edge of the hand-held electronic device, the at least one first protection frame is separated from the hand-held electronic device by a first predetermined distance through the at least one first surrounding buffer pad, and the at least one second protection frame is separated from the hand-held electronic device by a second predetermined distance through the at least one second surrounding buffer pad.

15 . The protection structure of claim 13 , wherein the at least one first protection frame has at least two first upper retaining structures, the at least one second protection frame has at least two second upper retaining structures respectively corresponding to the at least two first upper retaining structures, and the at least one connection element has at least two first front retaining structures respectively retainingly mated with the at least two first upper retaining structures and at least two first rear retaining structures respectively retainingly mated with the at least two second upper retaining structures.

16 . The protection structure of claim 13 , wherein the at least one first protection frame has at least two first lower retaining structures, the at least one second protection frame has at least two second lower retaining structures respectively corresponding to the at least two first lower retaining structures, and the at least one connection element has at least two second front retaining structures respectively retainingly mated with the at least two first lower retaining structures and at least two second rear retaining structures respectively retainingly mated with the at least two second lower retaining structures.

17 . The protection structure of claim 13 , wherein the at least one first protection frame has at least two first positioning grooves, the at least one second protection frame has at least two second positioning grooves, and the at least one connection element has at least two front positioning protrusions respectively positioned in the at least two first positioning grooves and at least two rear positioning protrusions respectively positioned in the at least two positioning grooves.

18 . The protection structure of claim 13 , wherein the at least one first protection frame has at least one first left-sided sliding track and at least one first right-sided sliding track, the at least one second protection frame has at least one second left-sided sliding track corresponding to the at least one first left-sided sliding track and at least one second right-sided sliding track corresponding to the at least one first right-sided sliding track, and the at least one connection element has at least one left-sided sliding groove for concurrently receiving the at least one first left-sided sliding track and the at least one second left-sided sliding track and at least one right-sided sliding groove for concurrently receiving the at least one first right-sided sliding track and the at least one second right-sided sliding track.

19 . The protection structure of claim 13 , wherein the at least one first protection frame has at least one first auxiliary retaining structure, and the at least one second protection frame has at least one second auxiliary retaining structure retainingly mated with the at least one first auxiliary retaining structure.

20 . The protection structure of claim 13 , wherein the protection unit includes at least one pivot structure connected between a top portion of the at least one first protection frame and a top portion of the at least one second protection frame, and the at least one connection element is connected between a bottom portion of the at least one first protection frame and a bottom portion of the at least one second protection frame.