A detachable and foldable food paper box

Abstract

This utility model relates to the field of food packaging technology, specifically to an easily detachable and foldable food paper box, comprising: a base plate, with side plates rotatably connected to the left and right sides of the base plate, each side plate including three Z-shaped folded reinforcing plates; a cover plate, comprising a back plate, a top plate, and a front plate, the back plate covering the rear side of the side plates, the top plate and the front plate respectively covering the top and front sides of the side plates, and insert plates on both sides of the back plate and the front plate, the insert plates being inserted between the reinforcing plates. This utility model uses a single sheet of paper cut and folded into shape, eliminating the need for glue fixation, making it more environmentally friendly and not occupying excessive internal space; the first reinforcing plate enhances the load-bearing capacity of the side plates, and the second reinforcing plate enhances the load-bearing capacity of the support plate, thereby improving the overall load-bearing capacity; the first baffle improves the cover plate's resistance to deformation and disperses the impact onto the side plates, reducing the probability of accidental opening of the cover plate and improving its compressive strength.

Description

Technical Field

[0001] This utility model relates to the field of food packaging technology, specifically to an easy-to-assemble and foldable food paper box. Background Technology

[0002] Food cartons are paper containers widely used in catering, takeout, and food packaging. They are typically used to hold solid or liquid foods such as fast food, pastries, fruits, and soups. Their structural design must balance load-bearing capacity, airtightness, portability, and environmental friendliness, while also considering production costs, transportation efficiency, and user experience.

[0003] Currently, there are two main types of common food paper box structures. One type is made by cutting and folding a single layer of paper, with the main body fixed by glue and the lid usually inserted. This structure is simple and low-cost, but it has limited pressure resistance and load capacity, making it prone to deformation. The inserted part of the lid can easily pop open when impacted by internal materials. The other type involves adding additional reinforcing structures inside or outside the box, such as paper or plastic support strips or adhesive reinforcing ribs. This design improves the load-bearing capacity and pressure resistance, but it affects the volume after folding. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides an easy-to-assemble and foldable food paper box.

[0005] The technical solution of this utility model is:

[0006] An easy-to-assemble and foldable food box, comprising:

[0007] The base plate has side plates rotatably connected to its left and right sides. Each side plate includes three Z-shaped folded reinforcing plates. Each reinforcing plate has a first baffle on its front and rear sides. After being bent, the first baffle is located on the front and rear sides of the base plate and is perpendicular to the side plates.

[0008] The cover plate includes a back plate, a top plate, and a front plate. The back plate is rotatably connected to the rear side of the bottom plate and covers the rear side of the side plate. The top plate and the front plate cover the top and front sides of the side plate, respectively. Insert plates are provided on both sides of the back plate and the front plate, and the insert plates are inserted between the reinforcing plates.

[0009] Preferably, the base plate includes a support plate, with first bends on the left and right sides connected to the side plates, and a second bend on the rear side connected to the back plate.

[0010] Preferably, the reinforcing plate includes a first side plate, which is connected to a first bend. The upper edge of the first side plate is rotatably connected to a first reinforcing plate via a third bend. The first reinforcing plate is parallel to the first side plate and is used to enhance the compressive and bending resistance of the first side plate. A slot is provided between the first side plate and the first reinforcing plate.

[0011] Preferably, the upper edge of the first reinforcing plate is rotatably connected to a second reinforcing plate via a fourth bend. The second reinforcing plate covers the top surface of the pallet, and the combined size of the two second reinforcing plates is the same as that of the pallet, which is used to improve the pallet's pressure-bearing capacity.

[0012] Preferably, the first baffle is rotatably connected to the front and rear sides of the first reinforcing plate via the fifth bend, and the combined width of the two first baffles on the same side is the same as the width of the front side of the support plate.

[0013] Preferably, the back plate and the front plate are at the same height as the first side plate and abut against the outside of the first baffle, and the top plate is slightly wider than the support plate and abuts against the third bend.

[0014] Preferably, the insert plate is rotatably connected to the left and right sides of the back plate and the front plate via the eighth bend, and the insert plate is inserted into the slot.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] This invention uses a single sheet of paper that has been cut and folded to form the shape, eliminating the need for glue fixation, making it more environmentally friendly and not taking up too much internal space. The first reinforcing plate strengthens the load-bearing capacity of the side plate, and the second reinforcing plate strengthens the load-bearing capacity of the support plate, thereby improving the overall load-bearing capacity. The first baffle improves the deformation resistance of the cover plate and can disperse the impact to the side plate, reducing the probability of the cover plate opening accidentally and improving the compressive strength of the cover plate. Attached Figure Description

[0017] Figure 1 This is a first schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the cover plate of this utility model in the open state;

[0019] Figure 3 This is a second schematic diagram showing the cover plate of this utility model in the open state;

[0020] Figure 4 This is a schematic diagram of the side panel of this utility model in the open state;

[0021] Figure 5 This is a schematic diagram showing the overall structure of this utility model.

[0022] The meanings of the labels in the diagram are as follows:

[0023] 1. Base plate; 11. Support plate; 12. First bend; 13. Second bend;

[0024] 2. Side plate; 21. First side plate; 22. Third bend; 23. First reinforcing plate; 24. Fourth bend; 25. Second reinforcing plate; 26. Fifth bend; 27. First baffle; 28. Slot;

[0025] 3. Cover plate; 31. Back plate; 32. Sixth bend; 33. Top plate; 34. Seventh bend; 35. Front panel; 36. Eighth bend; 37. Insert plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1:

[0028] Please see Figures 1-5 The present invention will describe the above technical solution in detail through the following embodiments:

[0029] An easy-to-assemble and foldable food box, comprising:

[0030] The base plate 1 has side plates 2 rotatably connected to the left and right sides of the base plate 1. The side plates 2 include three Z-shaped folded reinforcing plates. The front and rear sides of the reinforcing plates are provided with first baffles 27. After being bent, the first baffles 27 are located on the front and rear sides of the base plate 1 and are perpendicular to the side plates 2.

[0031] The base plate 1 includes a support plate 11, and the support plate 11 has a first bending part 12 on the left and right sides, and the first bending part 12 is connected to the side plate 2.

[0032] The first bend 12 is used for the rotation of the side plate 2, and the side plate 2 can rotate upwards to be perpendicular to the support plate 11 by means of the first bend 12.

[0033] The cover plate 3 includes a back plate 31, a top plate 33, and a front plate 35. The back plate 31 is rotatably connected to the rear side of the bottom plate 1 and covers the rear side of the side plate 2. The top plate 33 and the front plate 35 cover the top surface and front side of the side plate 2, respectively. Insert plates 37 are provided on both sides of the back plate 31 and the front plate 35, and the insert plates 37 are inserted between the reinforcing plates.

[0034] The top plate 33 and the back plate 31 are rotatably connected by the sixth bend 32, and the top plate 33 and the front plate 35 are rotatably connected by the seventh bend 34.

[0035] The rotation range does not exceed 90°.

[0036] The tray 11 has a second bend 13 on the rear side, and the second bend 13 is connected to the back plate 31.

[0037] The second bend 13 is used for the rotation of the back plate 31, which can rotate up to be perpendicular to the support plate 11.

[0038] The first bend 12 is used for the rotation of the side plate 2, and the second bend 13 is used for the rotation of the back plate 31.

[0039] The reinforcing plate includes a first side plate 21, which is connected to a first bending portion 12. The upper edge of the first side plate 21 is rotatably connected to a first reinforcing plate 23 via a third bending portion 22. The first reinforcing plate 23 is parallel to the first side plate 21 and is used to enhance the compressive and bending resistance of the first side plate 21. A slot 28 is provided between the first side plate 21 and the first reinforcing plate 23.

[0040] The first side plate 21 can rotate up to be perpendicular to the support plate 11, and the first reinforcing plate 23 can rotate up to 180° from a position horizontal to the first side plate 21 to be parallel to the support plate 11.

[0041] The upper edge of the first reinforcing plate 23 is rotatably connected to the second reinforcing plate 25 through the fourth bending part 24. The second reinforcing plate 25 covers the top surface of the support plate 11. The combined size of the two second reinforcing plates 25 is the same as that of the support plate 11, which is used to improve the pressure bearing capacity of the support plate 11.

[0042] When the second reinforcing plate 25 covers the top surface of the support plate 11, the first reinforcing plate 23 abuts against the support plate 11 through the fourth bend 24, thereby preventing the first side plate 21 from continuing to rotate toward the support plate 11.

[0043] The second reinforcing plate 25 can transfer some of the pressure to the first side plate 21 and the first reinforcing plate 23, thereby improving the load-bearing capacity of the support plate 11.

[0044] The first baffle 27 is rotatably connected to the front and rear sides of the first reinforcing plate 23 via the fifth bend 26, and the combined width of the two first baffles 27 on the same side is the same as the width of the front side of the support plate 11.

[0045] The first baffle 27 can rotate to be perpendicular to the first reinforcing plate 23 through the fifth bend 26. When the second reinforcing plate 25 covers the top surface of the support plate 11, the ends of the two first baffles 27 abut against each other, which can provide a certain support force and prevent the top of the first side plate 21 from bending inward.

[0046] The back plate 31 and the front plate 35 are at the same height as the first side plate 21 and abut against the outside of the first baffle 27. The top plate 33 is slightly wider than the support plate 11 and abuts against the third bend 22.

[0047] The back plate 31 and the front plate 35 abut against the outer side of the first baffle 27, which can prevent the first baffle 27 from rotating outward. At the same time, the first baffle 27 can transfer some of the internal impact to the first side plate 21 and the first reinforcing plate 23, thereby improving the impact resistance of the back plate 31 and the front plate 35.

[0048] The insert plate 37 is rotatably connected to the back plate 31 and the left and right sides of the front panel 35 via the eighth bend 36, and the insert plate 37 is inserted into the slot 28.

[0049] Insert plate 37 is inserted into slot 28, which can restrict the side plate 2 from rotating outward or inward, so that the side plate 2 remains perpendicular to the base plate 1.

[0050] Working principle:

[0051] The box is made from a single sheet of cardboard that has been cut and folded. No glue is used; it is secured by the interlocking and friction of the various parts. There are no openings on the surface, which improves the overall sealing and strength.

[0052] Inserting the insert plate 37 into the slot 28 restricts the side plate 2 from rotating outward or inward, keeping the side plate 2 perpendicular to the base plate 1. This improves the compressive and bending resistance of the side plate 2.

[0053] The first reinforcing plate 23 can improve the compressive strength of the first side plate 21.

[0054] The second reinforcing plate 25 is attached to the support plate 11, which can improve the compressive strength of the support plate 11.

[0055] The first baffle 27 abuts against the back plate 31 and the front plate 35, which can improve the compressive and bending resistance of the back plate 31 and the front plate 35.

[0056] After all the inserts 37 are pulled out of the slots 28, the cardboard box can be quickly disassembled for easy storage and reuse.

[0057] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An easy-to-assemble and foldable food box, characterized in that, include: The base plate (1) is rotatably connected to the left and right sides of the base plate (1) and the side plate (2) includes three Z-shaped folded reinforcing plates. The reinforcing plates are provided with first baffles (27) on the front and rear sides. After being bent, the first baffles (27) are located on the front and rear sides of the base plate (1) and perpendicular to the side plate (2). The cover plate (3) includes a back plate (31), a top plate (33) and a front plate (35). The back plate (31) is rotatably connected to the rear side of the bottom plate (1) and covers the rear side of the side plate (2). The top plate (33) and the front plate (35) respectively cover the top surface and the front side of the side plate (2). The back plate (31) and the front plate (35) are provided with insert plates (37) on both sides, and the insert plates (37) are inserted between the reinforcing plates.

2. The easily detachable and foldable food paper box as described in claim 1, characterized in that: The base plate (1) includes a support plate (11), and the support plate (11) has a first bending part (12) on the left and right sides. The first bending part (12) is connected to the side plate (2), and the rear side has a second bending part (13), which is connected to the back plate (31).

3. The easily detachable and foldable food paper box as described in claim 2, characterized in that: The reinforcing plate includes a first side plate (21), which is connected to a first bend (12). The upper edge of the first side plate (21) is rotatably connected to a first reinforcing plate (23) through a third bend (22). The first reinforcing plate (23) is parallel to the first side plate (21) and is used to enhance the compressive and bending resistance of the first side plate (21). A slot (28) is provided between the first side plate (21) and the first reinforcing plate (23).

4. The easily detachable and foldable food paper box as described in claim 3, characterized in that: The upper edge of the first reinforcing plate (23) is rotatably connected to a second reinforcing plate (25) through a fourth bend (24). The second reinforcing plate (25) covers the top surface of the tray (11). The combined size of the two second reinforcing plates (25) is the same as that of the tray (11), which is used to improve the pressure-bearing capacity of the tray (11).

5. The easily detachable and foldable food paper box as described in claim 3, characterized in that: The first baffle (27) is rotatably connected to the front and rear sides of the first reinforcing plate (23) through the fifth bend (26), and the combined width of the two first baffles (27) on the same side is the same as the width of the front side of the support plate (11).

6. The easily detachable and foldable food paper box as described in claim 5, characterized in that: The back plate (31) and the front plate (35) are at the same height as the first side plate (21) and abut against the outside of the first baffle (27). The top plate (33) is slightly wider than the support plate (11) and abuts against the third bend (22).

7. The easily detachable and foldable food paper box as described in claim 6, characterized in that: The insert plate (37) is rotatably connected to the back plate (31) and the left and right sides of the front panel (35) via the eighth bend (36), and the insert plate (37) is inserted into the slot (28).

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