Packing box capable of adjusting its size

A packing box comprising:

• an accommodation casing, a first side casing, a second side casing, multiple bottom casings of various sizes, multiple top casings of various sizes, and a plurality of binding straps;
• wherein
• the accommodation casing is formed in a triangle shape with two side surfaces and includes a plurality of first spaced holes defined on an upper end of each of two side surfaces thereof and includes a plurality of second spaced holes defined on a lower end of each of the two side surfaces thereof;
• the first side casing is formed in a U shape with two side surfaces and is fitted onto a first end of the accommodation casing, and the first side casing includes multiple first spaced orifices formed on a first end of each of the two side surfaces thereof, the first side casing also includes multiple second spaced orifices formed on a second end of each of the two side surfaces thereof, wherein when the first side casing moves away from or close to the accommodation casing, the multiple first spaced orifices align with some of the plurality of first spaced holes, and the multiple second spaced orifices align with some of the plurality of second spaced holes;
• the second side casing is formed in a U shape with two side surfaces and is fitted onto a second end of the accommodation casing, and the second side casing includes multiple first spaced apertures arranged on a first end of each of the two side surfaces thereof, the second side casing also includes multiple second spaced apertures arranged on a second end of each of the two side surfaces thereof, wherein when the second side casing moves away from or close to the accommodation casing, the multiple first spaced apertures align with another of the plurality of first spaced holes, and the multiple second spaced apertures align with another of the plurality of second spaced holes;
• each of the multiple bottom casings is in a triangle shape and covers a bottom of each of the accommodation casing, the first side casing, and the second side casing, wherein a size of each of said bottom casings corresponds to a length of a combination of bottoms of the accommodation casing, the first side casing, and the second side casing;
• each of the multiple top casings is in a triangle shape and covers a top of each of the accommodation casing, the first side casing, and the second side casing, wherein a size of each of said top casings corresponds to a length of a combination of tops of the accommodation casing, the first side casing, and the second side casing;
• and
• each of the plurality of binding straps is inserted into the packing box from one of the multiple first spaced orifices or one of the multiple first spaced apertures via one of the plurality of first spaced holes, and each of said binding straps extends out of one of the plurality of second spaced holes of the packing box through one of the multiple second spaced orifices or one of the multiple second spaced apertures, thereafter each of said binding straps surrounds one said bottom casings and is inserted into the packing box from one of said second spaced orifices or one of said second spaced apertures via one of said second spaced holes, and each of said binding straps extends outwardly from one of said first spaced holes through one of said first spaced orifices or one of said first spaced apertures so as to surround one of said top casings;
• wherein each of said binding straps includes a loop arranged on a first end thereof, a second end of the binding strap is provided with a hook-and-loop fastener consisting of a male fastening face and a female fastening face, the second end of the binding strap is passed through the loop and turned around to make the male fastening face fasten with the female fastening face so that each of said binding straps fixes the packing box.

A packing box comprising:

• a first side casing, a second side casing, multiple bottom casings of various sizes, multiple top casings of various sizes, and a plurality of binding straps;
• wherein
• the first side casing is formed in a U shape with two side surfaces, and the first side casing includes multiple first spaced orifices formed on a first end of each of the two side surfaces thereof and includes multiple second spaced orifices formed on a second end of each of the two side surfaces thereof;
• the second side casing is formed in a U shape with two side surfaces and is fitted with the first side casing, wherein the second side casing includes multiple first spaced apertures arranged on a first end of each of the two side surfaces thereof and corresponding to the multiple first spaced orifices, and the second side casing includes multiple second spaced apertures arranged on a second end of each of the two side surfaces thereof and corresponding to the multiple second spaced orifices, and when the second side casing moves away from or close to the first side casing, the multiple first spaced apertures align with the multiple first spaced orifices, and the multiple second spaced apertures align with another of the multiple second spaced orifices;
• each of the multiple bottom casings is in a triangle shape and covers a bottom of each of the first side casing and the second side casing, wherein a size of each of said bottom casings corresponds to a length of a combination of bottoms of the first side casing and the second side casing;
• each of the multiple top casings is in a triangle shape and covers a top of each of the first side casing and the second side casing, wherein a size of each of said top casings corresponds to a length of a combination of tops of the first side casing and the second side casing;
• each of the plurality of binding straps is inserted into the packing box via one of the multiple first spaced apertures and one of the multiple first spaced orifices, and each of said binding straps extends out of the packing box through one of the multiple second spaced orifices and one of the multiple second spaced apertures, thereafter each of said binding straps surrounds one of said bottom casings and is inserted into the packing box via one of said second spaced orifices and one of said second spaced apertures, and each of said binding straps extends outwardly from one of said first spaced orifices through one of said first spaced apertures so as to surround one of said top casings;
• wherein each of said binding straps includes a loop arranged on a first end thereof, a second end of the binding strap is provided with a hook-and-loop fastener consisting of a male fastening face and a female fastening face, the second end of the binding strap is passed through the loop and turned around to make the male fastening face fasten with the female fastening face so that each of said binding straps fixes the packing box.