Packaging box with display function

Abstract

The present disclosure provides a packaging box with a display function. The packaging box includes an outer box, including an opening at one end along a first direction; and an inner box disposed inside the outer box in a drawable manner through the opening and being capable of flipping relative to the outer box in a fully pulled-out state, to switch from the fully pulled-out state to a display state.

What is claimed is: 
     
         1 . A packaging box with a display function, comprising:
 an outer box, comprising an opening at one end along a first direction; and   an inner box, disposed inside the outer box in a drawable manner through the opening and being capable of flipping relative to the outer box in a fully pulled-out state, to switch from the fully pulled-out state to a display state,   wherein the inner box comprises an open side along a second direction and a first inner wall portion disposed opposite to the open side along the second direction, and the second direction intersects the first direction;   the outer box comprises a first outer wall portion disposed away from the open side along the second direction and indented inward along the first direction relative to the opening, and in the display state, the first inner wall portion is configured to abut against the first outer wall portion;   an additional layer plate is disposed on an outer side of the first inner wall portion facing away from the open side, and when the inner box is in a closed state, the additional layer plate is adjoined and flush with the first outer wall portion along the first direction.   
     
     
         2 . The packaging box according to  claim 1 , wherein the additional layer plate comprises a concave portion recessed along the second direction from an outer surface of the additional layer plate facing away from the first inner wall portion. 
     
     
         3 . The packaging box according to  claim 1 , wherein the inner box comprises a second inner wall portion and a third inner wall portion disposed opposite to each other along the first direction, and in the closed state, the third inner wall portion is configured to block at least a part of the opening;
 a side of the additional layer plate facing away from the first outer wall portion along the first direction is flush with the third inner wall portion.   
     
     
         4 . The packaging box according to  claim 1 , wherein the inner box comprises a second inner wall portion and a third inner wall portion disposed opposite to each other along the first direction, and in the closed state, the third inner wall portion is configured to block at least a part of the opening;
 an outer surface of the second inner wall portion facing away from the third inner wall portion is formed as an arc-shaped surface which arches outward, the outer box comprises a second outer wall portion disposed opposite to the first outer wall portion along the second direction, and in the display state, the arc-shaped surface is configured to abut against the second outer wall portion.   
     
     
         5 . The packaging box according to  claim 1 , wherein the inner box comprises a second inner wall portion and a third inner wall portion disposed opposite to each other along the first direction, and in the closed state, the third inner wall portion is configured to block at least a part of the opening;
 the third inner wall portion is provided with a recessed notch, which is recessed along the second direction from an edge of the third inner wall portion close to the open side.   
     
     
         6 . The packaging box according to  claim 1 , wherein the inner box and the outer box are connected by a sliding mechanism, the sliding mechanism comprises a sliding rail and a slider, the sliding rail extends along the first direction, the slider is slidably connected to the sliding rail, the sliding rail is disposed on one of the inner box and the outer box, and the slider is disposed on the other one of the inner box and the outer box. 
     
     
         7 . The packaging box according to  claim 6 , wherein the inner box comprises a second inner wall portion and a third inner wall portion disposed opposite to each other along the first direction, and two fourth inner wall portions disposed opposite to each other along a third direction, and in the closed state, the third inner wall portion is configured to block at least a part of the opening;
 the outer box comprises two third outer wall portions disposed opposite to each other along the third direction, and each two of the first direction, the second direction and the third direction intersect each other;   the sliding rail is disposed on an inner side of one of the two third outer wall portions facing the inner box, and the slider is disposed on an end of one of the two fourth inner wall portions adjacent to the second inner wall portion.   
     
     
         8 . The packaging box according to  claim 7 , wherein one of the two third outer wall portions comprises a first main plate and a first reinforcement plate, the first reinforcement plate is disposed on an inner side of the first main plate facing the inner box, and the sliding rail is disposed on the first reinforcement plate. 
     
     
         9 . The packaging box according to  claim 7 , wherein one of the two fourth inner wall portions comprises a second main plate and a second reinforcement plate, and the second reinforcement plate is disposed on an inner side of the second main plate facing away from the outer box;
 the slider comprises a sliding part and a limiting part, the limiting part is disposed on the inner side of the second main plate, the sliding part is connected to the limiting part and protrudes out of the second main plate along the third direction, and the second reinforcement plate covers the limiting part along the third direction.   
     
     
         10 . The packaging box according to  claim 6 , wherein the sliding rail is closed at an end adjacent to the opening along the first direction. 
     
     
         11 . The packaging box according to  claim 1 , wherein the inner box is pivotally connected to the outer box in the fully pulled-out state. 
     
     
         12 . The packaging box according to  claim 1 , wherein in the display state, the first inner wall portion is configured to abut against the first outer wall portion in an inclined manner, and the inner box is flipped from the fully pulled-out state to the display state with an obtuse angle. 
     
     
         13 . The packaging box according to  claim 1 , wherein an outer surface of the first inner wall portion facing away from the open side is formed as a frosted or roughened surface. 
     
     
         14 . The packaging box according to  claim 4 , wherein in the fully pulled-out state, the inner box is pivotally connected to the outer box at an end close to the third inner wall portion, and the arc-shaped surface of the third inner wall portion is configured to guide the flipping of the inner box. 
     
     
         15 . The packaging box according to  claim 6 , wherein the sliding rail is disposed on the outer box, the slider is disposed on the inner box, and in the fully pulled-out state, the inner box is pivotally connected to the outer box through the slider. 
     
     
         16 . The packaging box according to  claim 1 , wherein the packaging box is made of paper materials.