A type of cardboard box that is easy to seal

Abstract

This utility model relates to the field of cardboard packaging technology and discloses a cardboard box that is easy to seal. The box includes a box body, a main cover on the top of the box body, a pre-indentation between the box body and the main cover, and a magnetic strip inside the main cover. A secondary cover is located on the top of the box body, with another pre-indentation between the box body and the secondary cover, and a second magnetic strip inside the secondary cover. Double-sided adhesive is applied to the top of the main cover, and a tear strip is located inside the main cover. A pull cord is fixedly connected to the inner side of the tear strip, which is positioned between the first magnetic strip and the double-sided adhesive. In this utility model, sealing is completed by peeling off the protective film of the double-sided adhesive on the main cover and then bonding the main cover and secondary cover together with the double-sided adhesive. The box can be opened directly using the tear strip, and resealed using the two magnetic strips. This achieves simple sealing and allows for multiple reuses.

Description

Technical Field

[0001] This utility model relates to the field of cardboard packaging technology, and in particular to a cardboard box that is easy to seal. Background Technology

[0002] Cardboard boxes are the most widely used packaging products. Depending on the materials used, there are corrugated cardboard boxes, single-layer cardboard boxes, etc., and they come in various specifications and models. During the circulation process, in order to protect the products, facilitate storage and transportation, and promote sales, cardboard boxes are used to package the products. This is the most widely used packaging method.

[0003] When packaging existing cardboard boxes, an edge of the same size as the long side of the box is usually set on one side of the box cover, and snap-fit ​​ends are set at both ends of the edge. During packaging, the edge of one side of the cover is aligned with the long side of one side of the box, and the two snap-fit ​​ends are inserted into the connection between the long side and the wide side of the box, respectively. Alternatively, staples and tape are used to wrap and bind the outside of the box. When it is necessary to open the box, the tape is simply removed.

[0004] Currently, the packaging of cardboard boxes on the market requires a large amount of tape, resulting in resource waste. When it is necessary to open the box, the tape is usually removed, which can easily damage the packaging box. This prevents the box from being reused multiple times, reducing its lifespan. Furthermore, the structural reinforcement of the cardboard box is relatively simple, affecting the overall structural strength of the box. Therefore, a cardboard box that is easy to seal is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a cardboard box that is easy to seal, aiming to improve the problems of troublesome cardboard box sealing and short lifespan in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A carton that is easy to seal includes a carton body, characterized in that: a main cover is provided on the top of the carton body, a pre-indentation is provided between the carton body and the main cover, a magnetic strip is provided inside the main cover, a secondary cover is provided on the top of the carton body, another pre-indentation is provided between the carton body and the secondary cover, a magnetic strip is provided inside the secondary cover, and double-sided adhesive is provided on the top of the main cover;

[0008] As a further description of the above technical solution:

[0009] The main cover is provided with a tear strip inside, and a pull rope is fixedly connected to the inner side of the tear strip. The tear strip is located between the magnetic strip and the double-sided adhesive.

[0010] As a further description of the above technical solution:

[0011] The outer side of the box is provided with four support columns, one of which has a knife groove at the top, and a utility knife is provided inside the knife groove;

[0012] As a further description of the above technical solution:

[0013] The top of the box is provided with two side covers, which are located between the main cover and the secondary cover. The two side covers are provided with the pre-indentation mark 2 between the two side covers and the box.

[0014] As a further description of the above technical solution:

[0015] The outer side of the main cover is provided with four grooves, and the bottom of the box is provided with four protrusions, which are engaged with the grooves of another box.

[0016] As a further description of the above technical solution:

[0017] The box body is equipped with two baffles, and the baffles have a slot in the middle. The two baffles are engaged with each other through the slot. The box body has a slot on the inside, and the two ends of the baffles are engaged with the slot.

[0018] As a further description of the above technical solution:

[0019] Hand latches are provided on both sides of the box;

[0020] As a further description of the above technical solution:

[0021] The main cover, the secondary cover, the side cover, and the interior of the box are all provided with a reinforcing layer, which is a five-layer corrugated board.

[0022] This utility model has the following beneficial effects:

[0023] 1. In this utility model, the two side covers are put down, followed by the secondary cover. Then, the protective layer of the double-sided adhesive on the main cover is peeled off, and the main cover is put down. The double-sided adhesive on the main cover will then stick the main cover and the secondary cover together, which can easily seal the carton, greatly saving sealing time and making the operation simpler.

[0024] 2. In this utility model, the carton can be easily opened by pulling the tear strip fixed by the pull rope. After the carton is used up, it can be resealed by magnetic strip one and magnetic strip two, which realizes that it can be resealed multiple times without affecting the service life of the carton. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a cardboard box that is easy to seal, as proposed in this utility model.

[0026] Figure 2 This is a schematic diagram of the structure of a cardboard box that is easy to seal, as proposed in this utility model.

[0027] Figure 3 This is a schematic diagram of the main lid of a cardboard box that is easy to seal, as proposed in this utility model.

[0028] Figure 4 This is a schematic diagram of the secondary lid of a cardboard box that is easy to seal, as proposed in this utility model.

[0029] Figure 5 for Figure 1 Enlarged diagram of point A in the middle.

[0030] Legend:

[0031] 1. Box body; 2. Main cover; 3. Secondary cover; 4. Side cover; 5. Support column; 6. Slot; 7. Handle; 8. Corrugated board; 9. Baffle; 10. Card slot; 11. Tear strip; 12. Double-sided tape; 13. Groove; 14. Protrusion; 15. Magnetic strip one; 16. Pull cord; 17. Knife groove; 18. Utility knife; 19. Pre-indentation mark one; 20. Magnetic strip two; 21. Pre-indentation mark two. Detailed Implementation

[0032] 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.

[0033] Reference Figure 1 , Figure 3 and Figure 5This utility model provides an embodiment of a carton for easy packaging, comprising a carton body 1, a main cover 2 on the top of the carton body 1, the main cover 2 having a large area that can directly cover the carton body 1, a pre-compression indentation 19 between the carton body 1 and the main cover 2 to allow for more flexible movement of the main cover 2, a magnetic strip 15 inside the main cover 2 that is not visible from the outside, and a secondary cover 3 on the top of the carton body 1, with another [unclear] between the carton body 1 and the secondary cover 3. There is a pre-indentation 19. The top of the box 1 is provided with two side covers 4, which are located between the main cover 2 and the secondary cover 3. The side covers 4 are put on first during the sealing process and are located at the bottom of the secondary cover 3 and the main cover 2 after sealing. There is a pre-indentation 21 between the two side covers 4 and the box 1. The secondary cover 3 is provided with a magnetic strip 20. The magnetic strip 15 and the magnetic strip 20 attract each other. The top of the main cover 2 is provided with double-sided adhesive 12. The protective film of the double-sided adhesive 12 has a lace design, which makes it easier to peel off, thus making the sealing more convenient.

[0034] Reference Figure 3 The main cover 2 has a tear strip 11 inside, which can easily open the carton. A pull rope 16 is fixedly connected to the inside of the tear strip 11 to fix the tear strip 11 and ensure that the tear strip 11 will not break during use. The tear strip 11 is located between the magnetic strip 15 and the double-sided tape 12, so that the carton can be used again after it is opened.

[0035] Reference Figure 1 , Figure 2 and Figure 5The outer side of the box 1 is equipped with four support columns 5, which increase the overall structural strength and make it more resistant to pressure. One of the support columns 5 has a knife groove 17 at the top. The knife groove 17 is designed to be hidden and does not affect the overall appearance or use. A utility knife 18 is installed inside the knife groove 17, which can be used to cut the cardboard box at any time. The outer side of the main cover 2 is equipped with four grooves 13, and the bottom of the box 1 is equipped with four protrusions 14. The protrusions 14 interlock with the grooves 13 of the other box 1, using a concave-convex groove design 10, so that the cardboard boxes automatically interlock when stacked, preventing slippage during transportation. The bottom protrusions 14 can also be used as support legs. The inside of the box 1 is equipped with two blocks. The baffle 9 has a slot 6 in the middle, and the two baffles 9 are interlocked through the slot 6. The baffles 9 can divide the interior of the box 1 into areas. The box 1 has a slot 10 on the inside, and the two ends of the baffles 9 are interlocked in the slot 10. The slot 10 can make the baffles 9 more stable inside. The box 1 has handles 7 on both sides, which makes it easier to move the box 1. The main cover 2, the secondary cover 3, the side cover 4 and the interior of the box 1 are all equipped with a reinforcing layer. The reinforcing layer is a five-layer corrugated board 8. The corrugated board 8 is a lightweight, high-strength, durable material with good cushioning and shock absorption performance. It is easy to install and has low cost. It can effectively prevent moisture and heat insulation, adapt to various environmental needs, and is economical and practical.

[0036] Working principle: Inside the carton, there are two baffles 9, which are connected together by slots 6. The baffles 9 are also secured to the inside of the carton 1 by slots 10 on the inner side of the carton body 1. The areas defined by the baffles 9 allow for the categorized placement of items to be sealed. First, the two side covers 4, connected to the carton body 1 by pre-creases 21, are closed. Then, the secondary cover 3, connected to the carton body 1 by pre-creases 19, is closed. Next, the protective film on the double-sided adhesive 12 is peeled off. The protective film has a lace design, making it easier to remove. Finally, the main cover 2 is closed, and the main cover 2 is attached to the secondary cover 3 using the double-sided adhesive 12, thus completing the sealing of the carton.

[0037] The cardboard box can be moved by the handles 7 on both sides. The groove 13 on the main cover 2 and the protrusion 14 on the bottom of the box body 1 can automatically interlock when multiple cardboard boxes are stacked to prevent slippage during transportation. The support column 5 on the outside of the box body 1 can make the cardboard box more resistant to pressure. The cardboard box is composed of five layers of corrugated board 8. The tear strip 11 is fixed by the pull rope 16. The cardboard box can be opened by simply pulling the tear strip 11. When the cardboard box needs to be resealed, the main cover 2 can be closed directly. The magnetic strip 15 on the main cover 2 and the magnetic strip 20 on the secondary cover 3 can attract each other to reseal the cardboard box. When the cardboard box needs to be cut or modified, a knife groove 17 is opened on one of the support columns 5. The cardboard box can be cut or modified by using the utility knife 18 in the knife groove 17.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cardboard box for easy sealing, comprising a box body (1), characterized in that: The box (1) is provided with a main cover (2) on the top. A pre-indentation (19) is provided between the box (1) and the main cover (2). A magnetic strip (15) is provided inside the main cover (2). The box (1) is provided with a secondary cover (3) on the top. Another pre-indentation (19) is provided between the box (1) and the secondary cover (3). A magnetic strip (20) is provided inside the secondary cover (3). Double-sided tape (12) is provided on the top of the main cover (2).

2. The cardboard box for easy sealing according to claim 1, characterized in that: The main cover (2) is provided with a tear strip (11) inside, and a pull rope (16) is fixedly connected to the inside of the tear strip (11). The tear strip (11) is located between the magnetic strip (15) and the double-sided adhesive (12).

3. A cardboard box for easy sealing according to claim 1, characterized in that: The outer side of the box (1) is provided with four support columns (5), one of which has a knife groove (17) on the top, and a utility knife (18) is provided inside the knife groove (17).

4. A cardboard box for easy sealing according to claim 1, characterized in that: The top of the box (1) is provided with two side covers (4), which are located between the main cover (2) and the secondary cover (3). Pre-indentation marks (21) are provided between the two side covers (4) and the box (1).

5. A cardboard box for easy sealing according to claim 1, characterized in that: The main cover (2) has four grooves (13) on its outer side, and the box body (1) has four protrusions (14) on its bottom. The protrusions (14) are engaged with the grooves (13) of another box body (1).

6. A cardboard box for easy sealing according to claim 1, characterized in that: The box (1) is provided with two baffles (9) inside. The baffles (9) have a slot (6) in the middle. The two baffles (9) are connected to each other through the slot (6). The box (1) has a slot (10) on the inside. The two ends of the baffles (9) are connected to the slot (10).

7. A cardboard box for easy sealing according to claim 1, characterized in that: Hand latches (7) are provided on both sides of the box (1).

8. A cardboard box for easy sealing according to claim 4, characterized in that: The main cover (2), the secondary cover (3), the side cover (4) and the box body (1) are all provided with a reinforcing layer, which is a five-layer corrugated board (8).

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