Packaging box

Abstract

The utility model relates to the technical field of packaging, in particular to a packaging box which comprises a side plate assembly which comprises a first side plate, a third side plate, a second side plate and a fourth side plate which are sequentially connected end to end. The end cover assembly comprises a first upper end cover, a first lower end cover, a second upper end cover, a second lower end cover, a third upper end cover, a third lower end cover, a fourth upper end cover and a fourth lower end cover, the first upper end cover and the first lower end cover are fixedly connected with the two ends of the first side plate respectively, and the second upper end cover and the second lower end cover are fixedly connected with the two ends of the second side plate respectively; a third upper end cover and a third lower end cover are fixedly connected with two ends of a third side plate respectively; a fourth upper end cover and a fourth lower end cover are fixedly connected with two ends of a fourth side plate respectively; and glue injection holes are formed in the first upper end cover and the first lower end cover. Compared with an existing packaging box, the gap between the upper end cover and the lower end cover after packaging is reduced, the strength and firmness of the packaging box are improved, the attractiveness is improved, and resources are saved by using a proper amount of glue.

Description

Technical Field

[0001] This utility model relates to the field of packaging technology, specifically to a packaging box. Background Technology

[0002] Packaging boxes are ubiquitous in our lives, providing us with convenience. When sealing packaging boxes, glue is often used to seal the ends. However, traditional sealing methods involve applying a large amount of glue to the sealing area, resulting in waste. Furthermore, after sealing, the gaps at the top and bottom caps are too large, leading to weak sealing strength and affecting the aesthetics. Utility Model Content

[0003] The technical problem to be solved by this utility model is how to provide a packaging box that is convenient to seal and has a strong seal.

[0004] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A packaging box, comprising: a side panel assembly, the side panel assembly comprising a first side panel, a third side panel, a second side panel and a fourth side panel connected end to end; an end cap assembly, the end cap assembly comprising a first upper end cap, a first lower end cap, a second upper end cap, a second lower end cap, a third upper end cap, a third lower end cap, a fourth upper end cap and a fourth lower end cap, the first upper end cap and the first lower end cap being fixedly connected to both ends of the first side panel, the second upper end cap and the second lower end cap being fixedly connected to both ends of the second side panel, the third upper end cap and the third lower end cap being fixedly connected to both ends of the third side panel, the fourth upper end cap and the fourth lower end cap being fixedly connected to both ends of the fourth side panel; both the first upper end cap and the first lower end cap are provided with glue injection holes.

[0005] The beneficial effects of this utility model are as follows: By setting a first side plate, a third side plate, a second side plate, and a fourth side plate, the first side plate, the third side plate, the second side plate, and the fourth side plate together form a receiving cavity. By setting a first upper end cover, a second upper end cover, a third upper end cover, and a fourth upper end cover, they together form an upper end cover. By setting a first lower end cover, a second lower end cover, a third lower end cover, and a fourth lower end cover, they together form a lower end cover. By setting glue injection holes on the first upper end cover and the first lower end cover, when sealing the packaging box, the third lower end cover and the fourth lower end cover are folded first, then the first lower end cover is folded, and then glue is injected through the glue injection holes. The glue can pass through the glue injection holes, thereby bonding the first lower end cover with the third lower end cover and the fourth lower end cover. Then the second lower end cover is folded, and the second lower end cover is placed on top of the first lower end cover and bonded to the first lower end cover, thereby completing the sealing of the lower end cover. After the contents of the packaging box are filled, the same process is repeated: first fold the third and fourth top caps, then fold the first top cap. Glue is then injected through the injection hole, allowing it to pass through and bond the first top cap to the third and fourth top caps. Next, the second top cap is folded over and placed on top of the first top cap, bonding it to complete the sealing of the top caps. This packaging box sealing method is simple and easy to operate. The glue, passing through the injection hole, bonds the first, second, third, and fourth top caps together, as well as the first, second, third, and fourth bottom caps together. These caps mutually restrain each other, reducing gaps after the seal is formed, improving the strength and sturdiness of the packaging box, and enhancing its aesthetics. Furthermore, only a suitable amount of glue is needed to seal the top and bottom caps, saving resources.

[0006] Based on the above technical solution, the present invention can be further improved as follows.

[0007] Furthermore, the first upper end cap is provided with at least two of the aforementioned glue injection holes.

[0008] The beneficial effect of adopting the above-mentioned further solution is that by providing an injection hole on the first upper cover, and injecting glue into the injection hole, the glue passes through and adheres to the third and fourth upper covers, thereby bonding the first upper cover with the third and fourth upper covers.

[0009] Furthermore, at least two of the aforementioned glue injection holes are provided on the first lower end cap.

[0010] The beneficial effect of adopting the above-mentioned further solution is that by providing an injection hole on the first lower end cover, and injecting glue into the injection hole, the glue passes through and adheres to the third and fourth lower end covers, thereby bonding the first lower end cover with the third and fourth lower end covers.

[0011] Furthermore, the first upper end cover is provided with two glue injection holes, which are respectively located at both ends of the first upper end cover; the first lower end cover is provided with two glue injection holes, which are respectively located at both ends of the first lower end cover.

[0012] The beneficial effect of adopting the above-mentioned further solution is that: glue injection holes are provided at both ends of the first upper end cover and on the first lower end cover, respectively, so that the adhesion is stronger.

[0013] Furthermore, the injection hole is an elliptical hole, a round hole, or a polygonal hole.

[0014] The beneficial effect of adopting the above-mentioned further solution is that by setting the glue injection hole as an elliptical hole, a round hole or a polygonal hole, it is convenient to inject glue into the glue injection hole, and the glue passes through the glue injection hole to securely seal the upper and lower end caps of the packaging box.

[0015] Furthermore, it also includes a connecting strip, one end of which is fixedly connected to one side of the first side plate, and the outer side of the connecting strip is connected to the inner edge of the fourth side plate.

[0016] The beneficial effect of adopting the above-mentioned further solution is that by setting a connecting strip to connect the first side plate and the fourth side plate, the first side plate, the second side plate, the third side plate and the fourth side plate are firmly enclosed and form the receiving cavity of the packaging box.

[0017] Furthermore, the first upper cover, the first lower cover, the third upper cover, the third lower cover, the fourth upper cover, and the fourth lower cover are provided with adhesive application areas.

[0018] The beneficial effects of adopting the above-mentioned further solution are: by setting up an adhesive application area, the adhesive application area facilitates glue penetration, which can reduce the pressing time for packaging box sealing, thereby improving production efficiency.

[0019] Furthermore, the second upper cover is provided with an easy-tear portion.

[0020] Furthermore, the tear-off portion extends from one end of the second upper cover to the other end.

[0021] The beneficial effect of adopting the above-mentioned further solution is that by providing an easy-tear part on the second upper cover and extending the easy-tear part from one end of the second upper cover to the other end, it makes it easier for users to open the packaging box.

[0022] Furthermore, the easy-tear section includes an easy-tear line and a hand-held easy-tear end, the hand-held easy-tear end being disposed at one end of the second upper cover.

[0023] The beneficial effect of adopting the above-mentioned further solution is that when the user opens the packaging box, he / she holds the easy-tear end and pulls the easy-tear part along the easy-tear line from one end of the second upper cover to the other end, thereby quickly opening the packaging box, saving time and effort and providing convenience for the use of the packaging box. Attached Figure Description

[0024] Figure 1 This is a schematic diagram showing that there are gaps between the upper and lower end caps after the packaging box of this utility model is sealed.

[0025] Figure 2 This is a schematic diagram of the packaging box of this utility model in its unfolded state;

[0026] Figure 3 This is a schematic diagram of the packaging box of this utility model in a semi-sealed state;

[0027] Figure 4 This is a schematic diagram of the fully sealed packaging box of this utility model.

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1. First side panel; 2. Second side panel; 3. Third side panel; 4. Fourth side panel; 5. Glue injection hole; 6. Connecting strip; 8. Easy-tear line; 9. Hand-held easy-tear end; 10. Glue application area; 11. First upper end cover; 12. First lower end cover; 21. Second upper end cover; 22. Second lower end cover; 31. Third upper end cover; 32. Third lower end cover; 41. Fourth upper end cover; 42. Fourth lower end cover. Detailed Implementation

[0030] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0031] In existing technologies, when sealing packaging boxes, a large amount of glue is applied to the adhesive area, resulting in waste, and after sealing, if... Figure 1 As shown, after the first upper cover 11 and the second upper cover 21 are bonded together, the gap between them and the third upper cover 31 and the fourth upper cover 41 is relatively large. After the first lower cover 12 and the second lower cover 22 are bonded together, the gap between them and the third lower cover 32 and the fourth lower cover 42 is also relatively large. The gaps at the upper and lower covers are too large, which not only makes the sealing not secure but also affects the aesthetics.

[0032] like Figures 2-4As shown, this embodiment provides a packaging box, including: a side panel assembly, the side panel assembly including a first side panel 1, a third side panel 3, a second side panel 2, and a fourth side panel 4 connected end to end; an end cap assembly, the end cap assembly including a first upper end cap 11, a first lower end cap 12, a second upper end cap 21, a second lower end cap 22, a third upper end cap 31, a third lower end cap 32, a fourth upper end cap 41, and a fourth lower end cap 42, the first upper end cap 11 and the first lower end cap 12 are respectively fixedly connected to both ends of the first side panel 1, the second upper end cap 21 and the second lower end cap 22 are respectively fixedly connected to both ends of the second side panel 2, the third upper end cap 31 and the third lower end cap 32 are respectively fixedly connected to both ends of the third side panel 3, and the fourth upper end cap 41 and the fourth lower end cap 42 are respectively fixedly connected to both ends of the fourth side panel 4; both the first upper end cap 11 and the first lower end cap 12 are provided with glue injection holes 5.

[0033] By setting a first side plate 1, a third side plate 3, a second side plate 2, and a fourth side plate 4, the first side plate 1, the third side plate 3, the second side plate 2, and the fourth side plate 4 enclose and form an accommodating cavity. By setting a first upper end cover 11, a second upper end cover 21, a third upper end cover 31, and a fourth upper end cover 41, they are closed to form an upper end cover. By setting a first lower end cover 12, a second lower end cover 22, a third lower end cover 32, and a fourth lower end cover 42, they are closed to form a lower end cover. By providing glue injection holes 5 on the first upper end cover 11 and the first lower end cover 12, when sealing the packaging box, the third lower end cover 32 and the fourth lower end cover 42 are folded first, then the first lower end cover 12 is folded, and then glue is injected through the glue injection holes 5. The glue can pass through the glue injection holes 5, thereby bonding the first lower end cover 12 with the third lower end cover 32 and the fourth lower end cover 42. Then the second lower end cover 22 is folded, and the second lower end cover 22 is placed on the first lower end cover 12 and bonded to the first lower end cover 12, thereby completing the sealing of the lower end cover. After the contents of the packaging box are filled, the third upper cover 31 and the fourth upper cover 41 are folded first, and then the first upper cover 11 is folded. Then, glue is injected through the glue injection hole 5. The glue can pass through the glue injection hole 5 to bond the first upper cover 11 with the third upper cover 31 and the fourth upper cover 41. Then, the second upper cover 21 is folded and placed on top of the first upper cover 11 and bonded to the first upper cover 11, thus completing the sealing of the upper cover. The packaging box is easy to seal. The glue passes through the glue injection hole 5 to bond the first upper cover 11, the second upper cover 21, the third upper cover 31, and the fourth upper cover 41 together, as well as the first lower cover 12, the second lower cover 22, the third lower cover 32, and the fourth lower cover 42 together. They restrain each other, reducing gaps at the top and bottom covers after sealing, thus improving the strength and sturdiness of the packaging box and enhancing its aesthetics. At the same time, only an appropriate amount of glue is needed to seal the top and bottom covers, saving resources.

[0034] In a specific example, the lengths of the first side panel 1, the second side panel 2, the third side panel 3, and the fourth side panel 4 are approximately the same. Specifically, the first side panel 1 and the second side panel 2 are the same length, and the third side panel 3 and the fourth side panel 4 are the same length. The lengths of the first side panel 1 and the second side panel 2 differ from the lengths of the third side panel 3 and the fourth side panel 4 by approximately two end cap thicknesses. This ensures a tighter seal at the box opening during folding and packaging, resulting in better shaping and increased box strength. The first side panel 1 and the second side panel 2 have the same width and are positioned opposite each other. The third side panel 3 and the fourth side panel 4 are positioned opposite each other and theoretically have the same width. However, in actual manufacturing, the fourth side panel 4 is connected to the connecting strip 6 to complete the enclosure of the box. To avoid edge protrusion when the fourth side panel 4 is connected to the connecting strip 6 to complete the enclosure, a small gap is left in the connecting strip 6. To ensure the box remains square after packaging, the width of the fourth side panel 4 is approximately one side panel thickness smaller than the width of the third side panel 3. When the lengths and widths of the first side plate 1, the second side plate 2, the third side plate 3, and the fourth side plate 4 are approximately the same, they form a cube. When the lengths and widths of the first side plate 1, the second side plate 2, the third side plate 3, and the fourth side plate 4 are not the same, they form a cuboid.

[0035] Optionally, the first side plate 1, the second side plate 2, the third side plate 3, and the fourth side plate 4 can also be combined to form other quadrangular prisms; or more side plates can be provided to form polygonal prisms, such as pentagonal prisms, hexagonal prisms, etc.

[0036] Based on any of the above solutions, the first upper cover 11 is provided with at least two of the glue injection holes 5.

[0037] By providing an injection hole 5 on the first upper cover 11, glue is injected into the injection hole 5, and the glue passes through and adheres to the third upper cover 31 and the fourth upper cover 41, thereby bonding the first upper cover 11 with the third upper cover 31 and the fourth upper cover 41.

[0038] Based on any of the above solutions, at least two of the above-mentioned glue injection holes 5 are provided on the first lower end cover 12.

[0039] By providing an injection hole 5 on the first lower end cover 12, glue is injected into the injection hole 5, and the glue passes through and adheres to the third lower end cover 32 and the fourth lower end cover 42, thereby bonding the first lower end cover 12 with the third lower end cover 32 and the fourth lower end cover 42.

[0040] Based on any of the above solutions, the first upper cover 11 is provided with two glue injection holes 5, which are respectively located at both ends of the first upper cover 11; the first lower cover 12 is provided with two glue injection holes 5, which are respectively located at both ends of the first lower cover 12.

[0041] Injection holes 5 are provided at both ends of the first upper end cover 11 and on the first lower end cover 12 to make the adhesion stronger.

[0042] Based on any of the above schemes, the injection hole 5 is an elliptical hole, a round hole, or a polygonal hole.

[0043] By setting the glue injection hole 5 as an oval hole, round hole or polygonal hole, it is convenient to inject glue into the glue injection hole 5, and the glue passes through the glue injection hole 5 to securely seal the upper and lower end caps of the packaging box.

[0044] Based on any of the above solutions, a connecting strip 6 is also included, one end of which is fixedly connected to one side of the first side plate 1, and the outer side of the connecting strip 6 is connected to the inner edge of the fourth side plate 4.

[0045] By setting the connecting strip 6, the first side plate 1 and the fourth side plate 4 are connected, so that the first side plate 1, the second side plate 2, the third side plate 3 and the fourth side plate 4 are firmly enclosed and form the receiving cavity of the packaging box.

[0046] Specifically, multiple semi-transparent lines are spaced apart on the outer side of the connecting strip 6.

[0047] Specifically, glue, double-sided tape, or other adhesive materials can be applied to the outside of the connecting strip 6.

[0048] In one specific example, when the packaging box is sealed, the first side panel 1, the second side panel 2, the third side panel 3 and the fourth side panel 4 are first enclosed, and the outer side of the connecting strip 6 and the inner edge of the fourth side panel 4 are glued together to form the receiving cavity of the packaging box.

[0049] Based on any of the above schemes, the first upper end cover 11, the first lower end cover 12, the third upper end cover 31, the third lower end cover 32, the fourth upper end cover 41 and the fourth lower end cover 42 are provided with adhesive application areas 10.

[0050] By setting up the adhesive application area 10, the adhesive application area 10 facilitates glue penetration, which can reduce the pressing time for packaging box sealing and thus improve production efficiency.

[0051] Specifically, the adhesive area 10 includes multiple semi-transparent lines spaced apart.

[0052] By setting multiple semi-permeable lines, glue penetration is facilitated, reducing the pressing time for packaging box sealing and thus improving production efficiency.

[0053] Optionally, the semi-transparent line can be a straight line or a curve.

[0054] In a specific example, the adhesive application areas 10 on the first upper cover 11 and the first lower cover 12 are both located near the two ends of the first side plate 1, and two glue injection holes 5 are spaced apart on the adhesive application area 10 of the first upper cover 11 and the adhesive application area 10 of the first lower cover 12. The adhesive application area 10 on the third upper cover 31 is located near the end of the first upper cover 11, and the adhesive application area 10 on the third lower cover 32 is located near the end of the first lower cover 12. The adhesive application area 10 on the fourth upper cover 41 is located away from the end of the second upper cover 21, and the adhesive application area 10 on the fourth lower cover 42 is located away from the end of the second lower cover 22. Thus, when sealing the packaging box, the third lower cover 31 is folded. 2. Place the first lower cover 12 on the third lower cover 32 and the fourth lower cover 42, so that the glue injection hole 5 on the first lower cover 12 corresponds exactly to the glue application area 10 on the third lower cover 32 and the fourth lower cover 42. Fold the third upper cover 31 and the fourth upper cover 41, and then place the first upper cover 11 on the third upper cover 31 and the fourth upper cover 41, so that the glue injection hole 5 on the first upper cover 11 corresponds exactly to the glue application area 10 on the third upper cover 31 and the fourth upper cover 41. This makes it convenient to inject glue into the glue injection hole 5 to seal the upper and lower covers, thereby completing the packaging box sealing work. This packaging box sealing is convenient and firm, which improves the strength of the packaging box and saves glue.

[0055] Based on any of the above solutions, the second upper cover 21 is provided with an easy-tear part.

[0056] Based on any of the above schemes, the tear-off portion extends from one end of the second upper cover 21 to the other end.

[0057] By providing an easy-tear section on the second upper cover 21 and extending the easy-tear section from one end of the second upper cover 21 to the other end, it makes it easier for users to open the packaging box.

[0058] Based on any of the above solutions, the easy-tear part includes an easy-tear line 8 and a hand-held easy-tear end 9, which is disposed at one end of the second upper cover 21.

[0059] When opening the packaging box, the user holds the easy-tear end 9 and pulls it along the easy-tear line 8 from one end of the second upper cover 21 to the other, thus quickly opening the packaging box, saving time and effort and providing convenience for the use of the packaging box.

[0060] Specifically, the tear line 8 is located on the second upper cover 21 and near one end of the second side plate 2.

[0061] By setting the easy-tear line 8 on the second upper cover 21 and near the second side plate 2, when sealing the packaging box, the second upper cover 21 is placed on the first upper cover 11, avoiding the glue injection hole 5 and the glue application area 10, so as to prevent the easy-tear part from being glued and affecting the subsequent unsealing of the packaging box.

[0062] The packaging box of this utility model has glue injection holes 5 on both the first upper cover 11 and the first lower cover 12. When sealing the packaging box, glue is injected through the glue injection holes 5, thereby bonding the first upper cover 11, the second upper cover 21, the third upper cover 31, and the fourth upper cover 41 together. The first upper cover 11, the second upper cover 21, the third upper cover 31, and the fourth upper cover 41 will restrain each other. Similarly, the first lower cover 12, the second lower cover 22, the third lower cover 32, and the fourth lower cover 42 will also restrain each other. After sealing, the gap at the upper and lower cover of the packaging box is reduced compared to the prior art, which improves the strength and firmness of the packaging box and increases its aesthetics. At the same time, this utility model only needs an appropriate amount of glue to seal the upper and lower cover, saving resources.

[0063] In the description of this utility model, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0064] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0065] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0066] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0067] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0068] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A packaging box, characterized in that, include: Side panel assembly, the side panel assembly includes a first side panel (1), a third side panel (3), a second side panel (2) and a fourth side panel (4) connected from end to end; An end cap assembly, comprising a first upper end cap (11), a first lower end cap (12), a second upper end cap (21), a second lower end cap (22), a third upper end cap (31), a third lower end cap (32), a fourth upper end cap (41), and a fourth lower end cap (42). The first upper end cap (11) and the first lower end cap (12) are fixedly connected to both ends of the first side plate (1), the second upper end cap (21) and the second lower end cap (22) are fixedly connected to both ends of the second side plate (2), the third upper end cap (31) and the third lower end cap (32) are fixedly connected to both ends of the third side plate (3), and the fourth upper end cap (41) and the fourth lower end cap (42) are fixedly connected to both ends of the fourth side plate (4). Both the first upper end cap (11) and the first lower end cap (12) are provided with glue injection holes (5).

2. The packaging box according to claim 1, characterized in that, The first upper end cap (11) is provided with at least two of the glue injection holes (5).

3. The packaging box according to claim 2, characterized in that, At least two of the glue injection holes (5) are provided on the first lower end cap (12).

4. The packaging box according to claim 3, characterized in that, The first upper end cover (11) is provided with two glue injection holes (5), which are respectively located at both ends of the first upper end cover (11); the first lower end cover (12) is provided with two glue injection holes (5), which are respectively located at both ends of the first lower end cover (12).

5. A packaging box according to claim 1, characterized in that, The injection hole (5) is an elliptical hole, a round hole, or a polygonal hole.

6. A packaging box according to claim 1, characterized in that, It also includes a connecting strip (6), one end of which is fixedly connected to one side of the first side plate (1), and the outer side of the connecting strip (6) is connected to the inner edge of the fourth side plate (4).

7. A packaging box according to claim 1, characterized in that, The first upper end cover (11), the first lower end cover (12), the third upper end cover (31), the third lower end cover (32), the fourth upper end cover (41) and the fourth lower end cover (42) are provided with adhesive areas (10).

8. A packaging box according to any one of claims 1-7, characterized in that, The second upper cover (21) is provided with an easy-tear part.

9. A packaging box according to claim 8, characterized in that, The tear-off portion extends from one end of the second upper cap (21) to the other end.

10. A packaging box according to claim 9, characterized in that, The easy-tear section includes an easy-tear line (8) and a hand-held easy-tear end (9), which is disposed at one end of the second upper cover (21).

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