Luggage tag

1. A luggage tag which comprises a card case and a connecting part, a first end of the card case is disposed with an aperture, the aperture is for the connecting part to pass through so as to attach the card case to a luggage, the card case has at least one open face, the card case is hollow inside as to hold at least one card, information on the card can be seen from the open face, wherein it further comprises at least one cover having a body and an engaging means; a first end of the cover is disposed with the engaging means, the engaging means is slightly larger than the body of the cover, two sides of the body of the cover each forms a locking corner at a position to which the engaging means is connected, the engaging means is disposed with a groove or a pressed line which connects with two sides thereof, the cover is divided along the groove or the pressed line into two parts, namely, the engaging means and the body, the groove or the pressed line forms a thinner folding area on the cover so that the body can be movably lifted up along the groove or the pressed line; a first end of the open face corresponding to the engaging means is disposed with an engaging cavity, the engaging means can be engaged into the engaging cavity so as to movably engage the cover with the open face, the engaging cavity corresponding to the engaging means is disposed with a limiting unit, the limiting unit horizontally secures the first end of the engaging means, the engaging cavity corresponding to the locking corners is disposed with a pair of locking means, the locking corners can be movably pushed into the locking means, a second end of the open face corresponding to a second end of the cover is disposed with a locking groove, the second end of the cover can be movably pushed into the locking groove.

2. A luggage tag as in claim 1 , wherein the groove is disposed on an underside face of the engaging means while the pressed line is disposed on an upperside face of the engaging means.

3. A luggage tag as in claim 1 , wherein the groove or the pressed line is disposed on an underside face or an upperside face of the engaging means, appearing as a straight line, and is in parallel to the pair of the locking corners.

4. A luggage tag as in claim 1 , wherein the position of the groove or the pressed line can be close to the locking corners.

5. A luggage tag as in claim 1 , wherein two sides of the first end of the engaging means each is disposed with an insertion connecting part, the engaging cavity corresponding to the insertion connecting part is disposed with a pair of insertion connecting part receiving means, the insertion connecting parts can be movably received in the insertion connecting part receiving means so as to increase the stability of the engaging means in the engaging cavity.

6. A luggage tag as in claim 1 , wherein the first end of the engaging means is disposed with a plurality of insertion connecting parts, the engaging cavity corresponding to insertion connecting parts is disposed with a plurality of insertion connecting part receiving means so as to increase the stability of the engaging means in the engaging cavity.

7. A luggage tag as in claim 1 , wherein an upperside face of the second end of the cover is disposed with one or more protruding pieces or recesses so as to facilitate the second end of the cover to be pushed into or pushed out of the locking groove by hand.

8. A luggage tag as in claim 1 , wherein the open face corresponding to the two sides of the body of the cover is disposed with a pair of sliding rails, an underside face of the two sides of the body of the cover is correspondingly disposed with a pair of sliding edges so as to increase the slidability of the cover when being pushed in or pushed out.

9. A luggage tag as in claim 1 , wherein the card case is disposed with one or more limiting units for securing the card in the card case.

10. A luggage tag as in claim 9 , wherein the limiting unit is a rectangular card-shaped frame with three protruding sides and one non-protruding side, the non-protruding side is disposed on the side with the aperture for inserting the card into the card case.

11. A luggage tag as in claim 1 , wherein the card case is formed as an integrated body.

12. A luggage tag as in claim 1 , wherein the card case is formed by assembling two parts.

13. A luggage tag as in claim 12 , wherein the card case is divided into a body on a rear side and an open face on the front side, and each of which is disposed with a corresponding aperture, two sides of the open face can be disposed with a pair of sliding grooves, two sides of the body are correspondingly disposed with a pair of sliding means, the body is slidably engaged with the open face.

14. A luggage tag as in claim 13 , wherein first ends of the two sides of the open face close to the aperture are disposed with a pair of slide stops, the two sides of the body are correspondingly disposed with a pair of slide stops so as to limit extent of sliding.

15. A luggage tag as in claim 13 or claim 14 , wherein an underside face of the first ends of the two sides of the open face close to the aperture is disposed with one or more protruding pieces or recesses, an upperside face of the body corresponding to the protruding pieces or recesses is disposed with mating recesses or protruding pieces so as to increase the stability of the connection of the body and the open face.

16. A luggage tag as in claim 1 , wherein the external appearance of the card case is a rectangular shape.

17. A luggage tag as in claim 1 , wherein the external appearance of the card case is a cartoon character.

18. A luggage tag as in claim 1 , wherein an underside face of the cover can be disposed with one or more protruding prints, when the cover covers the open face, the protruding prints press against the card in the card case so as to secure the card in position.

19. A luggage tag as in claim 18 , wherein the protruding prints can form graphics so as to enhance aesthetic quality.

20. A luggage tag as in claim 1 , wherein an upperside face of the second end of the cover is further disposed with one or more protruding means, an underside face of the locking groove corresponding to the protruding means is disposed with mating indenting apertures so as to increase the stability of the second end of the cover in the locking groove.

21. A luggage tag as in claim 1 , wherein an upperside face of the second end of the cover is further disposed with one or more indenting apertures, an underside face of the locking groove corresponding to the indenting apertures is disposed with mating protruding means so as to increase the stability of the second end of the cover in the locking groove.

22. A luggage tag as in claim 1 , wherein thickness of the hollow of the card case can hold one to several overlapping cards.

23. A luggage tag as in claim 22 , wherein the card case and the cover are both made of polypropylene (PP).

24. A luggage tag as in claim 1 , wherein the card case and the cover are both made of a plastic material.

25. A luggage tag as in claim 1 , wherein the card case and the cover are made of different materials, the card case is made of non-transparent light metal, or a non-transparent, a semi-transparent, or a transparent plastic material, and the cover is made of a non-transparent plastic material.

26. A luggage tag as in claim 25 , wherein the card case is made of a transparent or semi-transparent plastic material, a 2R photo can be put in a rear part of the card case, and the card case is used as a photo frame.

27. A luggage tag as in claim 26 , wherein the card case is made of transparent or semi-transparent acrylonitrile-butadiene-styrene, a copolymer (ABS), polymethyl methacrylate (PMMA), or polystyrene (general purpose) (GPPS).

28. A luggage tag as in claim 25 , wherein the cover is made of non-transparent polypropylene (PP).

29. A luggage tag as in claim 1 , wherein the card case is predisposed with a card-shaped paper card inside for a user to fill out contact information.