Packaging Box
By designing feet in the packaging box to empty the bottom of the box on the tabletop, and reducing space occupation through folding design, the existing packaging box has been solved, and better food preservation and transportation convenience is achieved.
Patent Information
- Application Number
- CN202421518843.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-28
AI Technical Summary
Existing packaging boxes are poorly breathable when placed on the table, resulting in poor food preservation and inconvenient space, especially during transportation and storage.
A packaging box with feet is designed, which empty the bottom of the box on the table, providing breathable function, and the box body is made more compact and takes up less space through a folding design.
It achieves improved breathability of the packaging box, facilitates food preservation, and reduces space occupation and facilitates transportation and storage.
Smart Images
Figure CN222698919U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a packaging box, in particular to a packaging box. Background Art
[0002] As the name implies, a packaging box is a box used to package products. It is an indispensable daily necessity and brings great convenience to packaging, transportation and carrying items out. With the development of society, people's living standards are constantly improving, the pace of life is constantly accelerating, and people's requirements for food packaging boxes are becoming more and more stringent. Consumers hope to have and use packaging boxes that are more convenient and quick to carry food, and at the same time, they also have great demands for the preservation effect of food in the packaging boxes. However, when the existing packaging boxes are placed on the desktop, the bottom of the box is generally directly against the desktop, and there is no gap between the bottom of the box and the desktop, and the air permeability is poor. In particular, when some hot food is placed, the heat dissipation effect of the food is poor, the food is not easy to preserve, and the desktop is easily burned. Moreover, the existing packaging box itself is a large whole, which occupies a large space. No matter after factory production, during transportation or in actual use, it occupies a large space, which is inconvenient for transportation and storage.
[0003] In view of this, the designer has made in-depth considerations and actively researched, improved and tried to develop and design this case in order to address the many deficiencies and inconveniences caused by the imperfect structural design of the above-mentioned packaging box. Utility Model Content
[0004] The utility model aims to provide a packaging box, which is provided with supporting feet, so that the packaging box can stand on a desktop conveniently, and the supporting feet can lift the bottom of the box above the desktop, has a ventilation function, and is convenient for storing items.
[0005] In order to achieve the above purpose, the solution of the utility model is:
[0006] A packaging box, the packaging box is formed by folding a sheet of material, and comprises a left side panel, a rear side panel, a right side panel and a front side panel that are folded and connected in sequence from left to right, and a top side panel that is folded and connected to the top side edge of the rear side panel and a bottom side panel that is folded and connected to the bottom side edge of the rear side panel, the left side panel, the rear side panel, the right side panel and the front side panel are folded in sequence, and the left side edge of the left side panel and the right side edge of the front side panel are bonded to form a box body in the form of a rectangular frame; the top side panel is folded to the other side with one side connected to the rear side panel and movably covers the top side edge of the front side panel to form a box cover, and the bottom side panel is folded to the other side with one side connected to the rear side panel and bonded to the bottom side edge of the front side panel to form a box bottom; the left side panel, the right side panel and the front side panel are respectively provided with a plurality of feet for standing on a desktop extending downward at the bottom side edges, and the feet lift the bottom side panel above the desktop.
[0007] The multiple supporting legs include two left supporting legs located at the two ends of the bottom side edge of the left side panel, two right supporting legs located at the two ends of the bottom side edge of the right side panel, and two front supporting legs located at the two ends of the bottom side edge of the front side panel; one of the front supporting legs of the front side panel and a left supporting leg of the left side panel are pressed together to form an L-shaped supporting leg; the other front supporting leg of the front side panel and the right supporting leg of the right side panel are folded and connected together to form an L-shaped supporting leg.
[0008] The shapes of the left support leg, the right support leg and the front support leg are inverted trapezoid, rectangle or arc.
[0009] The two front supporting feet are two inverted right-angled trapezoids symmetrically arranged, having a first right-angled outer edge extending vertically downward from the two side edges of the front side plate and a first inclined inner edge extending obliquely downward from the bottom side edge of the front side plate; the left supporting foot close to the front supporting feet is an inverted right-angled trapezoid, having a second right-angled outer edge extending vertically downward from the side edge of the left side plate and a second inclined inner edge extending obliquely downward from the bottom side edge of the left side plate; the right supporting foot close to the front supporting feet is an inverted right-angled trapezoid, having a third right-angled outer edge extending vertically downward from the side edge of the right side plate and a third inclined inner edge extending obliquely downward from the bottom side edge of the right side plate.
[0010] The left support leg close to the rear side plate has a fourth inclined inner edge and a fifth inclined outer edge symmetrically arranged with the second inclined inner edge; the right support leg close to the rear side plate has a sixth inclined inner edge and a seventh inclined outer edge symmetrically arranged with the third inclined inner edge.
[0011] The bottom side edge of the left side panel is folded and connected with a left supporting sheet between the two left supporting legs, the bottom side edge of the right side panel is folded and connected with a right supporting sheet between the two right supporting legs, the bottom side edge of the front side panel is folded and connected with a front supporting sheet between the two front supporting legs, the front supporting sheet is folded and bonded to the bottom surface of the bottom side panel, and the left and right supporting sheets are folded and bonded to the bottom surface of the front supporting sheet.
[0012] The front support piece is gradually expanded outward from the bottom side edge of the front side plate, and has two arc-shaped side edges extending outward from the side edges of the two front supporting feet; the left support piece has a first parallel edge that is parallel to the bottom side edge of the left side plate and is shorter in length, a first straight edge and a first oblique edge extending outward from the bottom side edge of the left side plate, and the left support piece is provided with a first folding line with two ends extending to the first parallel edge and the first straight edge respectively; the right support piece has a second parallel edge that is parallel to the bottom side edge of the right side plate and is shorter in length, a second straight edge and a second oblique edge extending outward from the bottom side edge of the right side plate, and the right support piece is provided with a second folding line with two ends extending to the second parallel edge and the second straight edge respectively.
[0013] The right side edge of the front side panel or the left side edge of the left side panel is folded and connected with a first adhesive sheet, and the first adhesive sheet is folded and bonded to the inner side wall of the left side panel or the inner side wall of the front side panel; the two side edges of the bottom side panel are arc edges with the center concave inward, and the side of the bottom side panel that is not connected to the rear side panel is folded and connected with a second adhesive sheet, and the second adhesive sheet is folded on the inner side wall of the front side panel.
[0014] The first cover plate is folded and connected to the side of the top side plate that is not connected to the rear side plate, and the second cover plate in a straight triangle is folded and connected to the left and right sides of the top side plate respectively, the second cover plate has a first right-angled side connected to the side edge of the top side plate, a second right-angled side extending outward from the connecting edge of the top side plate and the first cover plate, and an inclined side connecting the first right-angled side and the second right-angled side; and the second right-angled side of the second cover plate is folded and connected to a third adhesive sheet, the third adhesive sheet is folded and bonded to the inner side wall of the first cover plate, the first cover plate and the two second cover plates form a box cover edge that is buckled on the outer side walls of the front side plate, the left side plate and the right side plate; the second cover plate has a third folding line extending from the right-angle vertex to the inclined side.
[0015] The top side edge of the front side plate is folded and connected with a snap-on piece, and the snap-on piece is folded toward the outside of the box body, and the shape of the snap-on piece is a rounded rectangle, a rectangle or a semicircle; the two third bonding sheets are respectively provided with a rounded L-shaped groove, an arc-shaped groove or a right-angled L-shaped groove on the side close to the first cover plate. When the two third bonding sheets are bonded to the inner side wall of the first cover plate, the two rounded L-shaped grooves form a rounded rectangular groove for the snap-on piece with a rounded rectangle to press against, the two arc-shaped grooves form a semicircular groove for the semicircular snap-on piece to press against, or the two right-angled L-shaped grooves form a rectangular groove for the rectangular snap-on piece to press against.
[0016] After adopting the above structure, when folding the packaging box of the utility model, the left side panel, the rear side panel, the right side panel and the front side panel are first folded in sequence, and the left side edge of the left side panel and the right side edge of the front side panel are bonded to form a box body in a rectangular frame, and then the bottom side panel is bonded to the bottom side edge of the front side panel to form a box bottom, and finally the top side panel is covered to form a box cover, which can be quickly folded into a packaging box; the packaging box is provided with supporting feet, which is convenient for the packaging box to stand on the desktop, and the supporting feet can raise the bottom of the box above the desktop, has a breathable function, and is convenient for storing items; moreover, the bottom of the packaging box is heightened by the supporting feet, and the shape is like a tripod, which increases the visual effect of the interior; it can be used to package hamburgers or snacks, and the overall appearance is more attractive, which is convenient for promotion with the appearance design. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a top view schematic diagram of the unfolded state of the packaging box of the utility model;
[0018] Figure 2 This is a structural schematic diagram of the packaging box of the utility model in the first folding state;
[0019] Figure 3 It is a structural schematic diagram of the second folding state of the packaging box of the utility model;
[0020] Figure 4 It is a structural schematic diagram of the packaging box of the utility model in the third folding state;
[0021] Figure 5 This is a structural schematic diagram of the utility model packaging box with the lid opened;
[0022] Figure 6 This is a structural schematic diagram of the packaging box of the utility model in a closed state;
[0023] Figure 7 It is a schematic diagram of the bottom structure of the packaging box of the utility model in an opened state.
[0024] Explanation of symbols
[0025] Left side panel 1; rear side panel 2; right side panel 3; front side panel 4; top side panel 5; bottom side panel 6; box body 10; box cover 20; box bottom 30; support leg 7; left support leg 71; right support leg 72; front support leg 73; first right angle outer edge 731; first inclined inner edge 732; second right angle outer edge 711; second inclined inner edge 712; third right angle outer edge 721; third inclined inner edge 722; fourth inclined inner edge 713; fifth inclined outer edge 714; sixth inclined inner edge 723; seventh inclined outer edge 724; left support sheet 81; right support sheet 82; front support Sheet 83; curved side 831; first parallel side 811; first straight side 812; first oblique side 813; first folding line 814; second parallel side 821; second straight side 822; second oblique side 823; second folding line 824; first bonding sheet 41; second bonding sheet 61; first cover plate 51; second cover plate 52; first right-angled side 521; second right-angled side 522; inclined side 523; third bonding sheet 53; cover edge 201; third folding line 524; snap sheet 42; rounded rectangle 421; rounded L-shaped groove 531. DETAILED DESCRIPTION
[0026] In order to further explain the technical solution of the present invention, the present invention is described in detail below through specific embodiments.
[0027] See also Figures 1 to 7The utility model discloses a packaging box, the packaging box is formed by folding a sheet of material, and comprises a left side panel 1, a rear side panel 2, a right side panel 3 and a front side panel 4 that are folded and connected in sequence from left to right, and a top side panel 5 folded and connected to the top side edge of the rear side panel 2 and a bottom side panel 6 folded and connected to the bottom side edge of the rear side panel 2. The left side panel 1, the rear side panel 2, the right side panel 3 and the front side panel 4 are folded in sequence, and the left side edge of the left side panel 1 and the right side edge of the front side panel 4 are bonded to form a box body 10 in a rectangular frame; the top side panel 5 is folded to the other side of the one side connected to the rear side panel 2 and movably covers the top side edge of the front side panel 4 to form a box cover 20, and the bottom side panel 6 is folded to the other side of the one side connected to the rear side panel 2 and bonded to the bottom side edge of the front side panel 4 to form a box bottom 30; the left side panel 1, the right side panel 3 and the front side panel 4 are respectively provided with a plurality of legs 7 for standing on the desktop extending downward at the bottom side edges, and the legs 7 suspend the bottom side panel 6 above the desktop.
[0028] When folding the packaging box of the utility model, the left side panel 1, the rear side panel 2, the right side panel 3 and the front side panel 4 are folded in sequence, and the left side edge 1 of the left side panel and the right side edge of the front side panel 4 are bonded to form a box body 10 in a rectangular frame, and then the bottom side panel 6 is bonded to the bottom side edge of the front side panel 4 to form a box bottom 30, and finally the top side panel 5 is covered to form a box cover 20, which can be quickly folded into a packaging box; the packaging box is provided with supporting feet 7, which is convenient for the packaging box to stand on the desktop, and the supporting feet 7 can suspend the box bottom 30 on the desktop, has a breathable function, and is convenient for storing items; moreover, the box bottom 30 of the packaging box is heightened by the supporting feet, and the shape is like a tripod, and the visual effect of the interior is increased; it can be used to package hamburgers or snacks, and the overall appearance is more attractive, which is convenient for matching the appearance design for publicity; and the packaging box is folded from a piece of cardboard or plastic board, and can be unfolded into an overall plane when not in use, which is convenient for transportation and storage.
[0029] The multiple legs 7 of the utility model include two left legs 71 located at the two ends of the bottom side edge of the left side panel 1, two right legs 72 located at the two ends of the bottom side edge of the right side panel 3, and two front legs 73 located at the two ends of the bottom side edge of the front side panel 4; one of the front legs 73 of the front side panel 4 and a left leg 71 of the left side panel 1 are pressed together to form an L-shaped leg; the other front leg 73 of the front side panel 4 and the right leg 72 of the right side panel 3 are folded and connected together to form an L-shaped leg, and the left leg 71 and the right leg 72 away from the front side panel 4 can also be L-shaped legs; the structural strength of the L-shaped leg is stronger, and it can more stably support the packaging box on the desktop.
[0030] The left support leg 71, the right support leg 72 and the front support leg 73 of the present invention are in the shape of an inverted trapezoid, a rectangle or an arc; the left support leg 71, the right support leg 72 and the front support leg 73 have stronger structural strength and better supporting force.
[0031] The two front legs 73 of the utility model are two symmetrically arranged inverted right-angled trapezoids, having a first right-angled outer edge 731 extending vertically downward from the two side edges of the front side panel 4 and a first inclined inner edge 732 extending obliquely downward from the bottom side edge of the front side panel 4; the left leg 71 abutting against the front legs 73 is an inverted right-angled trapezoid, having a second right-angled outer edge 711 extending vertically downward from the side edge of the left side panel 1 and a second inclined inner edge 712 extending obliquely downward from the bottom side edge of the left side panel 1; the right leg 72 abutting against the front legs 73 is an inverted right-angled trapezoid, having a third right-angled outer edge 721 extending vertically downward from the side edge of the right side panel 3 and a third inclined inner edge 722 extending obliquely downward from the bottom side edge of the right side panel 3; the left leg 71, the right leg 72 and the front leg 73 have stronger structural strength and better supporting capacity.
[0032] The left support leg 71 of the utility model close to the rear side plate 2 has a fourth inclined inner edge 713 and a fifth inclined outer edge 714 symmetrically arranged with the second inclined inner edge 712; the right support leg 72 close to the rear side plate 2 has a sixth inclined inner edge 723 and a seventh inclined outer edge 724 symmetrically arranged with the third inclined inner edge 722.
[0033] The bottom side edge of the left side panel 1 of the utility model is folded and connected with a left supporting piece 81 between the two left supporting feet 71, the bottom side edge of the right side panel 3 is folded and connected with a right supporting piece 82 between the two right supporting feet 72, the bottom side edge of the front side panel 4 is folded and connected with a front supporting piece 83 between the two front supporting feet 73, the front supporting piece 83 is folded and bonded to the bottom surface of the bottom side panel 6, the left supporting piece 81 and the right supporting piece 82 are folded and bonded to the bottom surface of the front supporting piece 83; the front supporting piece 83, the left supporting piece 81 and the right supporting piece 82 are supported and bonded under the bottom side panel 6, so as to enhance the structural strength of the box bottom 30, facilitate the loading of food, and prevent food from falling onto the table.
[0034] The front support piece 83 of the utility model is gradually expanded outward from the bottom side of the front side plate 4, and has two arc-shaped side edges 831 extending outward from the side edges of the two front legs 73; the left support piece 81 has a first parallel side 811 parallel to the bottom side of the left side plate 1 and a short length, a first straight side 812 extending outward from the bottom side of the left side plate 1, and a first oblique side 813, and the left support piece 81 is provided with a first folding line 814 with two ends extending to the first parallel side 811 and the first straight side 812 respectively; the right support piece 82 has a second parallel side 821 parallel to the bottom side of the right side plate 3 and a short length, and a second straight side 821 extending outward from the bottom side of the right side plate 3 22 and a second hypotenuse 823, the right support sheet 83 is provided with a second folding line 824 with two ends extending to the second parallel side 821 and the second straight side 822 respectively; the first folding line 814 and the first parallel side 811 and the first straight side 812 form an isosceles right triangle; the second folding line 824 and the second parallel side 821 and the second straight side 822 form an isosceles right triangle; the left support sheet 81 is folded downwardly by the first folding line 814 to form an isosceles right triangle, and the right support sheet 82 is folded downwardly by the second folding line 824 to form an isosceles right triangle, and the two isosceles right triangles are supported in the middle of the box bottom 30, and the support effect of the box bottom 30 is better.
[0035] The right side edge of the front side panel 4 or the left side edge of the left side panel 1 of the utility model is folded and connected with a first bonding sheet 41, and the first bonding sheet 41 is folded and bonded to the inner wall of the left side panel 1 or the inner wall of the front side panel 4; the front side panel 4 and the left side panel 1 are more firmly bonded, and the structural strength of the box body 10 is stronger; the two side edges of the bottom side panel 6 are arc edges with the center concave inward, and the side of the bottom side panel 6 that is not connected to the rear side panel 2 is folded and connected with a second bonding sheet 61, and the second bonding sheet 61 is folded on the inner wall of the front side panel 4; the bottom side panel 6 and the front side panel 4 are more firmly bonded, and the structural strength of the box bottom 30 is stronger.
[0036] The top side plate 5 of the utility model is folded and connected with a first cover plate 51 on one side that is not connected to the rear side plate 2, and the left and right sides of the top side plate 5 are respectively folded and connected with a second cover plate 52 in a straight triangle, the second cover plate 52 has a first right-angled side 521 connected to the side of the top side plate 5, a second right-angled side 522 extending outward from the connecting side of the top side plate 5 and the first cover plate 51, and an inclined side 523 connecting the first right-angled side 521 and the second right-angled side 522; and the second right-angled side 522 of the second cover plate 52 is folded and connected with a third bonding sheet 53, and the third bonding sheet 53 is folded and bonded to the inner side wall of the first cover plate 51 The first cover plate 51 and the two second cover plates 52 form a cover edge 201 of the box cover that is buckled on the outer side walls of the front side plate 4, the left side plate 1 and the right side plate 3; the second cover plate 52 has a third folding line 524 extending from the right-angle vertex to the inclined edge. When the box cover 20 is to be folded again after being folded and glued, it can be folded inwardly along the third folding line to fold the first cover plate 51 and the second cover plate 52 onto the side surface of the top side plate 5, and the box cover 20 is folded into a sheet-like structure; moreover, when closing, the second cover plate 52 is folded along the third folding line 524 to drive the first cover plate 51 to expand outward, so that the cover edge 201 of the box cover is convenient for closing on the box body 10.
[0037] The top side edge of the front side plate 4 of the utility model is folded and connected with a snap-on piece 42, and the snap-on piece 42 is folded toward the outside of the box body 10; the shape of the snap-on piece 42 is a rounded rectangle 421, a rectangle or a semicircle; the two third bonding sheets 53 are respectively provided with a rounded L-shaped groove 531, an arc groove or a right-angled L-shaped groove on the side close to the first cover plate 51. When the two third bonding sheets 53 are bonded to the inner side wall of the first cover plate 51, the two rounded L-shaped grooves 531 form a rounded rectangular groove for the snap-on piece 42 with a rounded rectangle to press against, the two arc grooves form a semicircular groove for the semicircular snap-on piece 42 to press against, or the two right-angled L-shaped grooves form a rectangular groove for the rectangular snap-on piece 42 to press against; when the box cover 20 is closed, the snap-on piece 42 presses against the semicircular groove or the rectangular groove, and the two interact with each other to prevent the box cover from bouncing open by itself, making the closing more secure.
[0038] The above embodiments and drawings do not limit the product form and style of the utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the utility model.
Claims
1. A packaging box, characterized in that: The packaging box is formed by folding a sheet of material, and comprises a left side panel, a rear side panel, a right side panel and a front side panel that are folded and connected in sequence from left to right, as well as a top side panel folded and connected to the top side edge of the rear side panel and a bottom side panel folded and connected to the bottom side edge of the rear side panel, wherein the left side panel, the rear side panel, the right side panel and the front side panel are folded in sequence and the left side edge of the left side panel and the right side edge of the front side panel are bonded to form a box body in the form of a rectangular frame; the top side panel is folded to the other side with one side connected to the rear side panel and movably covers the top side edge of the front side panel to form a box cover, and the bottom side panel is folded to the other side with one side connected to the rear side panel and bonded to the bottom side edge of the front side panel to form a box bottom; the left side panel, the right side panel and the front side panel are respectively provided with a plurality of legs for standing on a desktop extending downward at the bottom sides, and the legs raise the bottom side panel above the desktop.
2. A packaging box as claimed in claim 1, characterized in that: The multiple supporting legs include two left supporting legs located at the two ends of the bottom side edge of the left side panel, two right supporting legs located at the two ends of the bottom side edge of the right side panel, and two front supporting legs located at the two ends of the bottom side edge of the front side panel; one of the front supporting legs of the front side panel and a left supporting leg of the left side panel are pressed together to form an L-shaped supporting leg; the other front supporting leg of the front side panel and the right supporting leg of the right side panel are folded and connected together to form an L-shaped supporting leg.
3. A packaging box as claimed in claim 2, characterized in that: The shapes of the left support leg, the right support leg and the front support leg are inverted trapezoid, rectangle or arc.
4. A packaging box as claimed in claim 3, characterized in that: The two front supporting feet are two inverted right-angled trapezoids symmetrically arranged, having a first right-angled outer edge extending vertically downward from the two side edges of the front side plate and a first inclined inner edge extending obliquely downward from the bottom side edge of the front side plate; the left supporting foot close to the front supporting feet is an inverted right-angled trapezoid, having a second right-angled outer edge extending vertically downward from the side edge of the left side plate and a second inclined inner edge extending obliquely downward from the bottom side edge of the left side plate; the right supporting foot close to the front supporting feet is an inverted right-angled trapezoid, having a third right-angled outer edge extending vertically downward from the side edge of the right side plate and a third inclined inner edge extending obliquely downward from the bottom side edge of the right side plate.
5. A packaging box as claimed in claim 4, characterized in that: The left support leg close to the rear side plate has a fourth inclined inner edge and a fifth inclined outer edge symmetrically arranged with the second inclined inner edge; the right support leg close to the rear side plate has a sixth inclined inner edge and a seventh inclined outer edge symmetrically arranged with the third inclined inner edge.
6. A packaging box as claimed in claim 2, characterized in that: The bottom side edge of the left side panel is folded and connected with a left supporting sheet between the two left supporting legs, the bottom side edge of the right side panel is folded and connected with a right supporting sheet between the two right supporting legs, the bottom side edge of the front side panel is folded and connected with a front supporting sheet between the two front supporting legs, the front supporting sheet is folded and bonded to the bottom surface of the bottom side panel, and the left and right supporting sheets are folded and bonded to the bottom surface of the front supporting sheet.
7. A packaging box as claimed in claim 6, characterized in that: The front support piece is gradually expanded outward from the bottom side edge of the front side plate, and has two arc-shaped side edges extending outward from the side edges of the two front supporting feet; the left support piece has a first parallel edge that is parallel to the bottom side edge of the left side plate and is shorter in length, a first straight edge and a first oblique edge extending outward from the bottom side edge of the left side plate, and the left support piece is provided with a first folding line with two ends extending to the first parallel edge and the first straight edge respectively; the right support piece has a second parallel edge that is parallel to the bottom side edge of the right side plate and is shorter in length, a second straight edge and a second oblique edge extending outward from the bottom side edge of the right side plate, and the right support piece is provided with a second folding line with two ends extending to the second parallel edge and the second straight edge respectively.
8. A packaging box as claimed in claim 6, characterized in that: The right side edge of the front side panel or the left side edge of the left side panel is folded and connected with a first adhesive sheet, and the first adhesive sheet is folded and bonded to the inner side wall of the left side panel or the inner side wall of the front side panel; the two side edges of the bottom side panel are arc edges with the center concave inward, and the side of the bottom side panel that is not connected to the rear side panel is folded and connected with a second adhesive sheet, and the second adhesive sheet is folded on the inner side wall of the front side panel.
9. A packaging box as claimed in claim 1, characterized in that: The first cover plate is folded and connected to the side of the top side plate that is not connected to the rear side plate, and the second cover plate in a straight triangle is folded and connected to the left and right sides of the top side plate respectively, the second cover plate has a first right-angled side connected to the side edge of the top side plate, a second right-angled side extending outward from the connecting edge of the top side plate and the first cover plate, and an inclined side connecting the first right-angled side and the second right-angled side; and the second right-angled side of the second cover plate is folded and connected to a third adhesive sheet, the third adhesive sheet is folded and bonded to the inner side wall of the first cover plate, the first cover plate and the two second cover plates form a box cover edge that is buckled on the outer side walls of the front side plate, the left side plate and the right side plate; the second cover plate has a third folding line extending from the right-angle vertex to the inclined side.
10. A packaging box as claimed in claim 1, characterized in that: The top side edge of the front side plate is folded and connected with a snap-on piece, and the snap-on piece is folded toward the outside of the box body, and the shape of the snap-on piece is a rounded rectangle, a rectangle or a semicircle; the two third bonding sheets are respectively provided with a rounded L-shaped groove, an arc-shaped groove or a right-angled L-shaped groove on the side close to the first cover plate. When the two third bonding sheets are bonded to the inner side wall of the first cover plate, the two rounded L-shaped grooves form a rounded rectangular groove for the snap-on piece with a rounded rectangle to press against, the two arc-shaped grooves form a semicircular groove for the semicircular snap-on piece to press against, or the two right-angled L-shaped grooves form a rectangular groove for the rectangular snap-on piece to press against.