Packaging box

A packaging box, comprising:

• a box body, wherein the box body is provided with an accommodation cavity configured to accommodate a vacuum bag roll, and the box body is provided with a bag outlet;
• a reel, wherein the reel is rotatably arranged in the box body, and the reel is used for mounting the vacuum bag roll;
• and
• a cutting device, wherein the cutting device comprises a cutting part, and the cutting part is slidably connected to the box body;
• wherein a bag opening of the vacuum bag roll stretches out from the box body to the cutting part after passing through the bag outlet;
• wherein the box body is provided with a recessed part on which the cutting device is arranged, and a protective cover covers the recessed part;
• wherein the bag outlet is arranged on the recessed part;
• wherein the recessed part comprises a first side wall and a second side wall, the first side wall is arranged at a top end of the second side wall, and an L-shaped structure is formed between the first side wall and the second side wall;
• wherein the cutting device is arranged on the second side wall, and the bag outlet is arranged at a joint of the first side wall and the second side wall;
• wherein the box body comprises a left side plate, a right side plate, a front side plate, a rear side plate, and a top cover, wherein the front side plate, the left side plate, the rear side plate, and the right side plate are interconnected, the top cover is movably arranged at top ends of the left side plate, the right side plate, the rear side plate, and the recessed part, and a turning direction of the top cover is to turn forward;
• the left side plate, the right side plate, and the rear side plate are all folded plates, and a top of the front side plate is recessed to form the recessed part;
• and
• wherein a height of the bag outlet is not greater than 3 mm.