Packaging box

Abstract

Disclosed is a packaging box including a box body and a box lid, the box lid including a lid body and a first bent portion, the box body having a box opening, the box lid being provided at the box opening, where the box opening is provided with a second bent portion; when the box body and the box lid are closed and looking up the packaging box, a bottom end face of an outer side wall of the first bent portion is invisible; the box lid is provided with a first locked portion, the box body is provided with a second locked portion corresponding to a lower side of the first locked portion; and the lid body is provided with an inspection window. The packaging box solve the problem that the articles in the box would be missing and facilitate the personnel to inspect the articles within the box.

What is claimed is: 
     
         1 . A packaging box, comprising a box body and a box lid, the box lid comprising a lid body and a first bent portion provided along an edge of the lid body, the first bent portion being of an n-shape, the box body having a box opening, the box lid being provided at the box opening, wherein
 an inner wall surface of an outer side wall of the first bent portion is provided with a clamping block, the box opening is provided with a second bent portion of an n-shape, an outer side wall of the second bent portion is provided with a clamping groove cooperating with the clamping block, a bottom end of the outer side wall of the second bent portion has a blocking rim extending outwards, and the bottom end of the outer side wall of the first bent portion is provided close to a top surface of the blocking rim;   when the box body and the box lid are closed and looking up the packaging box, a bottom end face of an outer side wall of the first bent portion is invisible;   the box lid is provided with a first locked portion, the box body is provided with a second locked portion corresponding to a lower side of the first locked portion, the first locked portion is provided with a first locked hole, and the second locked portion is provided with a second locked hole corresponding to the first locked hole; and   the lid body is provided with an inspection window.   
     
     
         2 . The packaging box according to  claim 1 , further comprising a locking member passing through the first and second locked holes to lock the box lid and the box body. 
     
     
         3 . The packaging box according to  claim 2 , wherein a drop is attached to the locking member. 
     
     
         4 . The packaging box according to  claim 2 , wherein the locking member is a band, a rope, or a lead sealing ring. 
     
     
         5 . The packaging box according to  claim 1 , wherein there are a plurality of clamping grooves that are divided into a plurality of clamping areas, at least one of the clamping areas comprises the plurality of clamping grooves, the second bent portion has a support rib connecting an outer side wall and an inner side wall of the second bent portion, and the support rib is provided between two adjacent clamping grooves in the clamping area. 
     
     
         6 . The packaging box according to  claim 5 , wherein the second bent portion has a polygonal frame shape as a whole, and each of the frames of the second bent portion is provided with the clamping area. 
     
     
         7 . The packaging box according to  claim 6 , wherein at least one of the frames has the plurality of clamping areas spaced apart. 
     
     
         8 . The packaging box according to  claim 1 , wherein the box body is provided with a plurality of reinforcing ribs connecting the outer side wall of the second bent portion and the outer wall surface of the box body. 
     
     
         9 . The packaging box according to  claim 8 , further comprising a handle, both ends of the handle being connected to opposite sides of the box body, respectively. 
     
     
         10 . The packaging box according to  claim 9 , wherein the box body has a mounting plate for mounting the handle, the mounting plate is connected to the bottom end of the outer side wall of the second bent portion and two of the reinforcing ribs, the mounting plate, the outer wall surface of the box body and the two of the reinforcing ribs connected to the mounting plate enclose to form a mounting space, and a clip of the handle extends into the mounting space through the mounting plate.