Packaging box

Abstract

A packaging box includes a box body and at least one side cover. The box body includes a first sheet, a second sheet, a first opening, a second opening, and a first side portion. The second sheet is arranged opposite to the first sheet. The first sheet, the second sheet, and the first portion have a detachable sheet. The side cover covers the first opening and includes a first body sheet covering the first opening and a second body sheet fixed to the first opening with a protruding sheet. When the detachable sheet is detached, the box body is folded in half and the protruding sheet is bent and inserted into the second opening to fix the folded box body. A part of the box body where the detachable sheet is detached is used as a fixing portion. The packaging box serves packaging and supporting by changing shape.

What is claimed is: 
     
         1 . A packaging box comprising:
 a box body comprising:
 a first sheet; 
 a second sheet arranged opposite to the first sheet; 
 a first opening and a second opening opposite to the first opening, wherein the first opening and the second opening are adjacent and vertical to the first sheet and the second sheet; and 
 a first side portion connected between the first sheet and the second sheet, wherein the first side portion is vertical to the first sheet and the second sheet, the first sheet, the second sheet, and the first portion have a detachable sheet, and when the detachable sheet is detached, the box body is folded in half with a position where the detachable sheet is detached; and 
   at least one side cover, connected with the box body, covering the first opening and comprising:
 a first body sheet with one side thereof connected with the box body, and another side of the first body sheet is provided with an inserting sheet, wherein when the first body sheet covers the first opening, the inserting sheet vertical to the first body sheet is inserted into the first opening to fix the first body sheet; and 
 a second body sheet adjacent to the first body sheet, wherein one side of the second body sheet is connected with the box body, another side of the second body sheet is provided with a protruding sheet, when the second body sheet covers the first opening, the protruding sheet vertical to the second body sheet is inserted into the first opening to fix the second body sheet, the protruding sheet is divided into a first portion and a second portion with a crease, and when the box body is folded in half, the first portion vertical to the second portion is inserted into the second opening to fix the folded box body, and a part of the box body where the detachable sheet is detached is used as a fixing portion. 
   
     
     
         2 . The packaging box according to  claim 1 , wherein the box body further comprises a second side portion adjacent and vertical to the first sheet, the second sheet, the first opening, and the second opening, and the second side portion is opposite to the first side portion. 
     
     
         3 . The packaging box according to  claim 2 , wherein the detachable sheet comprises: two diamond-shaped portions with planar ends thereof connected with each other, wherein the diamond-shaped portions are respectively arranged on two opposite sides of the first side portion; and a tearing portion with one end thereof provided with a tearing head, wherein the tearing head is arranged on the second side portion, and another end of the tearing portion is connected with a pointed end of the diamond-shaped portion close to the second side portion. 
     
     
         4 . The packaging box according to  claim 1 , wherein the at least one side cover comprises two side covers that respectively cover the first opening and the second opening. 
     
     
         5 . The packaging box according to  claim 1 , wherein the box body is a carton body.