Packaging box and paperboard structure

By using the bending connection between the snap plate and the plug tongue in the packaging box to achieve self-locking packaging, the problem of tape and easy-to-tear strips in the prior art increases costs and affects aesthetics, and a stable, beautiful and safe packaging is achieved. Effect.

CN222330225UActive Publication Date: 2025-01-10SHENZHEN YUTO PACKAGING TECH
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Patent Information

Application Number
CN202323582517.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-01-10
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

The existing anti-tamper packaging box adopts double-sided adhesive packaging and easy-to-tear strips, which increases manual operation and cost, while affecting the aesthetics of the packaging box.

Method used

Design a packaging box, which is bendingly connected to the plug-in tongue, realizes self-locking packaging, without the need for tape or easy-to-tear strips, adopts a bent-connected cover, plug-in tongue and snap-in board structure, and the user passes the tearing part Open to ensure packaging stability and aesthetics.

Benefits of technology

The tape-free packaging is realized, which reduces material and labor costs, improves the sealing effect and aesthetics of the packaging box, and provides higher security to prevent illegal opening or replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a packaging box and a paperboard structure. The packaging box comprises a box body, a wing plate and a cover plate, the box body comprises a first side plate and a second side plate which extend in the first direction, a cavity is defined by the first side plate and the second side plate, and an opening is formed in the end, in the first direction, of the cavity; the wing plate is in bending connection with the first side plate; the cover body comprises a cover plate, an insertion tongue and a buckling plate which are sequentially connected in a bent mode, the end, deviating from the insertion tongue, of the cover plate is connected with the second side plate in a bent mode, the cover plate covers the opening and the wing plate, the insertion tongue is located between the wing plate and the second side plate, and the buckling plate is located on the side, facing the cavity, of the wing plate. The orthographic projection of the buckle plate on the cover plate is at least partially overlapped with the orthographic projection of the wing plate on the cover plate. According to the packaging box provided by the invention, the buckling plate is connected with the insertion tongue in the bending manner, and the orthographic projection of the buckling plate on the cover plate and the orthographic projection of the wing plate on the cover plate are at least partially overlapped, so that the buckling plate and the wing plate are mutually self-locked, and the packaging of the packaging box is further realized.
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Description

Technical Field

[0001] The present application relates to the field of packaging technology, and in particular to a packaging box and a paperboard structure. Background Art

[0002] Existing tamper-proof packaging boxes generally use double-sided adhesive packaging with tear strips to achieve tamper-proof, but double-sided adhesive packaging requires a lot of manual operations, which adds extra processes and labor costs. In addition, the cost of using adhesive tear strips is high and will have an adverse effect on the overall aesthetics of the packaging box. Utility Model Content

[0003] In response to the above technical problems, the present application provides a packaging box that does not require the use of materials such as tape for packaging.

[0004] In the first aspect, an embodiment of the present application provides a packaging box, comprising a box body, a wing panel and a cover panel, the box body comprising a first side panel and a second side panel extending along a first direction, the first side panel and the second side panel enclosing a cavity, and the cavity is provided with an opening at the end in the first direction; the wing panel is bent and connected to the first side panel; the cover body comprises a cover panel, an insert tongue and a snap plate that are bent and connected in sequence, the end of the cover panel facing away from the insert tongue is bent and connected to the second side panel, the cover panel covers the opening and the wing panel, the insert tongue is located between the wing panel and the second side panel, the snap plate is located on the side of the wing panel facing the cavity, and in the first direction, the orthographic projection of the snap plate on the cover panel at least partially overlaps with the orthographic projection of the wing panel on the cover panel.

[0005] According to an embodiment of the first aspect of the present application, two first side panels and two second side panels are alternately connected, the two first side panels are spaced apart along the second direction, the two second side panels are spaced apart along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0006] According to an embodiment of the first aspect of the present application, the two wing panels are respectively connected to the two first side panels by bending.

[0007] According to an embodiment of the first aspect of the present application, the cover plate includes a first portion, a second portion and a tearing portion, the first portion and the second portion are connected via the tearing portion, the first portion is bent and connected to the second side panel, and the second portion is bent and connected to the insert tongue.

[0008] According to an embodiment of the first aspect of the present application, the cover plate includes a first edge, a side edge, and a second edge, the two side edges are spaced apart along the second direction, the first edge and the second edge are spaced apart along the third direction, the first direction, the second direction, and the third direction are perpendicular to each other, the first edge is bent and connected to the second side panel, and the second edge is bent and connected to the insert tongue; the tearing portion includes a first tearing portion, and the first tearing portion extends from the side edge to the second edge.

[0009] According to an embodiment of the first aspect of the present application, the tearing portion further includes a second tearing portion, the second tearing portion is located at the second side, and both ends of the second tearing portion are respectively connected to the two first tearing portions.

[0010] According to the embodiment of the first aspect of the present application, the insert tongue includes a third edge and fourth edges located on both sides of the connecting edge, the third edge is bent and connected to the cover plate, and the two snap plates are respectively bent and connected to the two fourth edges.

[0011] According to an embodiment of the first aspect of the present application, the box body further includes a bottom plate, which is connected to the first side plate and the second side plate, and the bottom plate is located on a side of the cavity facing away from the outlet.

[0012] In the second aspect, the embodiment of the present application also provides a cardboard structure, including: a first surface and an opposite second surface; and a box body area, a wing panel area and a cover body area, the box body area including two first side panel areas and a second side panel area alternately connected in sequence along a first reference direction; the wing panel area is connected to one end of the first side panel area along the second reference direction, the second reference direction is perpendicular to the first reference direction, and the wing panel area is bent toward the first surface to form a wing panel; the cover body area includes a cover panel area, an insert tongue area and a snap plate area, the cover panel area is connected to one end of the second side panel area along the second reference direction, the insert tongue area is connected to one end of the cover panel area along the second reference direction away from the second side panel area, the snap plate area is connected to one end of the insert tongue area along the first reference direction, the cover panel area is bent toward the first surface to form a cover panel, the insert tongue area is bent toward the first surface to form an insert tongue, and the snap plate area is bent toward the first surface to form a snap plate.

[0013] According to an embodiment of the second aspect of the present application, the cover area and the wing panel area are located on the same side of the box body area in the second reference direction.

[0014] The packaging box provided by the embodiment of the present application is connected by bending the snap plate and the tongue. When the tongue is located between the wing plate and the second side plate, the snap plate is located on the side of the wing plate facing the cavity, and the positive projection of the snap plate on the cover plate and the positive projection of the wing plate on the cover plate at least partially overlap, so that the snap plate and the wing plate are self-locking with each other, thereby realizing the packaging of the packaging box. The packaging box provided by the present application does not require tape materials, does not increase material costs and labor costs, does not bring additional economic burdens to manufacturers, and does not require easy-tear strips, which will not have an adverse effect on the overall aesthetics of the packaging box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0016] Figure 1 A schematic diagram of the structure of the packaging box provided in an embodiment of the present application when it is opened;

[0017] Figure 2 A schematic diagram of the structure of the packaging box provided in an embodiment of the present application in a closed state;

[0018] Figure 3 A schematic diagram of the structure of the cover body provided in an embodiment of the present application;

[0019] Figure 4 A schematic diagram of the structure of the packaging box provided in the embodiment of the present application after being torn open along the tearing portion;

[0020] Figure 5 It is a schematic diagram of the structure of the cover body provided in the embodiment of the present application after being torn apart along the tearing portion;

[0021] Figure 6 This is a schematic structural diagram of the first side of the paperboard structure provided in an embodiment of the present application.

[0022] Description of reference numerals:

[0023] 10. Packing box;

[0024] 100, box body; 110, first side plate; 120, second side plate; 130, cavity;

[0025] 200, wing plate;

[0026] 300, cover body; 310, cover plate; 311, first part; 312, second part; 313, tearing part; 3131, first tearing part; 3132, second tearing part; 314, first side; 315, side; 316, second side; 320, insert tongue; 321, third side; 322, fourth side; 330, buckle plate;

[0027] S100, box body area; S110, first side panel area; S120, second side panel area;

[0028] S200, wing plate area;

[0029] S300, cover area; S310, cover plate area; S320, tongue area; S330, buckle plate area;

[0030] S400, floor area;

[0031] P1, first plane; X, first direction; Y, second direction; Z, third direction; A, first reference direction; B, second reference direction.

[0032] The realization of the purpose, functional features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. The above-mentioned drawings have shown clear embodiments of this application, which will be described in more detail later. These drawings and textual descriptions are not intended to limit the scope of the concept of this application in any way, but to illustrate the concept of this application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0033] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0034] It should be noted that, in this article, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element. In addition, components, features, and elements with the same name in different embodiments of the present application may have the same meaning or different meanings, and their specific meanings need to be determined by their explanation in the specific embodiment or further combined with the context of the specific embodiment.

[0035] It should be understood that, although the terms first, second, third, etc. may be used to describe various information in this article, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this article, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "at the time of..." or "when..." or "in response to determination". Furthermore, as used in this article, the singular forms "one", "one" and "the" are intended to also include plural forms, unless there is an opposite indication in the context. It should be further understood that the terms "comprising", "including" indicate that there are described features, steps, operations, elements, components, projects, kinds, and / or groups, but do not exclude the existence, occurrence or addition of one or more other features, steps, operations, elements, components, projects, kinds, and / or groups. The terms "or" and "and / or" used herein are interpreted as inclusive, or mean any one or any combination. Therefore, "A, B or C" or "A, B and / or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B and C". Exceptions to this definition will only occur when the combination of elements, functions, steps or operations are inherently mutually exclusive in some way. When describing the structure of a component, when a layer or a region is referred to as being "above" or "over" another layer or another region, it may mean being directly above the other layer or another region, or containing other layers or regions between it and the other layer or another region. Moreover, if the component is turned over, the layer or region will be "below" or "below" the other layer or another region. In the embodiments of the present application, "B corresponding to A" means that B is associated with A, and B can be determined based on A. However, it should also be understood that determining B based on A does not mean determining B only based on A, but B can also be determined based on A and / or other information.

[0036] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0037] In the subsequent description, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present application, and have no specific meanings. Therefore, "module", "component" or "unit" can be used in a mixed manner.

[0038] In the related art, tamper-proof packaging boxes generally use double-sided adhesive tape with tear strips to achieve tamper-proof, but double-sided adhesive tape requires a lot of manual operation, which increases additional processes and labor costs. In addition, the cost of using adhesive tear strips is high and will have an adverse effect on the overall aesthetics of the packaging box.

[0039] In view of this, in order to better understand the present application, the packaging box of the embodiment of the present application is described in detail below in conjunction with the accompanying drawings. In the accompanying drawings, for the convenience of drawing, the dimensions in the drawings are not necessarily proportional to the actual dimensions. For the clarity of the drawing, some structures in the drawings may be hidden or partially displayed.

[0040] Please refer to Figure 1 and Figure 2 , Figure 1 A schematic diagram of the structure of the packaging box provided in an embodiment of the present application when it is opened; Figure 2 This is a schematic diagram of the structure of the packaging box provided in the embodiment of the present application when it is closed. In order to clearly show the structure of the packaging box, Figure 2 The packaging box in the figure is partially perspective.

[0041] like Figure 1 and Figure 2 As shown, the embodiment of the present application provides a packaging box 10, which includes a box body 100, a wing plate 200 and a cover body 300. The box body 100 includes a first side plate 110 and a second side plate 120 extending along a first direction (the X direction in the figure). The first side plate 110 and the second side plate 120 enclose a cavity 130, and the cavity 130 is provided with an opening (not marked) at the end of the first direction X. The wing plate 200 is bent and connected to the first side plate 110. The cover body 300 includes a cover plate 310, a plug tongue 320 and a buckle plate 330 that are bent and connected in sequence, and the end of the cover plate 310 away from the plug tongue 320 is bent and connected to the second side plate 120. The cover plate 310 covers the opening and the wing plate 200, the insert tongue 320 is located between the wing plate 200 and the second side plate 120, the snap plate 330 is located on the side of the wing plate 200 facing the cavity 130, and in the first direction X, the orthographic projection of the snap plate 330 on the cover plate 310 at least partially overlaps with the orthographic projection of the wing plate 200 on the cover plate 310.

[0042] Optionally, the first direction X is defined as the up-down direction of the packaging box 10, and the cover plate 310 is located above the cavity 130. The packaging box 10 includes an open state and a closed state. In the open state, the opening is not completely sealed by the cover plate 310. When the packaging box 10 is switched from the open state to the closed state, the buckle plate 330 is first bent toward the direction of the plug tongue 320, and then the cover body 300 is bent toward the direction of the cavity 130, so that the buckle plate 330 and the plug tongue 320 extend into the cavity 130 from between the wing plate 200 and the second side plate 120, and the cover plate 310 completely seals the opening. At this time, the snap plate 330 rebounds in the direction away from the tongue 320 due to the lack of external force restriction, and is located on the side of the wing plate 200 facing the cavity 130, that is, the snap plate 330 is located below the wing plate 200 in the first direction X, and the orthographic projection of the snap plate 330 on the cover plate 310 at least partially overlaps with the orthographic projection of the wing plate 200 on the cover plate 310. When the user wants to open the cover 300, the cover 300 is subjected to a force moving away from the cavity 130 along the first direction X. Since the positive projection of the snap plate 330 on the cover 310 at least partially overlaps with the positive projection of the wing plate 200 on the cover 310, the snap plate 330 will abut against the wing plate 200 when the cover 310 is opened along the first direction X. The snap plate 330 and the wing plate 200 are self-locked with each other in the first direction X. The wing plate 200 restricts the movement of the snap plate 330 along the first direction X, so that the cover 300 cannot rotate relative to the box body 100, thereby achieving the packaging of the packaging box 10.

[0043] Optionally, there may be a certain gap between the snap plate 330 and the wing plate 200 in the first direction X. When the user wants to open the cover 300, the snap plate 330 moves toward the wing plate 200 along the first direction X until it abuts against the wing plate 200, and the wing plate 200 restricts the snap plate 330 from continuing to move along the first direction X, thereby preventing the cover 300 from continuing to rotate relative to the box body 100, thereby achieving the packaging of the packaging box 10.

[0044] Optionally, the snap plate 330 abuts against the wing plate 200 , and the wing plate 200 further limits the movement of the snap plate 330 in the first direction X, thereby improving the connection stability between the cover body 300 and the box body 100 and preventing the cover body 300 from shaking.

[0045] The packaging box 10 provided in the embodiment of the present application is provided with a snap plate 330 and a bent connection with the plug tongue 320. When the plug tongue 320 is located between the wing plate 200 and the second side plate 120, the snap plate 330 is located on the side of the wing plate 200 facing the cavity 130, and the orthographic projection of the snap plate 330 on the cover plate 310 overlaps with the orthographic projection of the wing plate 200 on the cover plate 310 at least partially, so that the snap plate 330 and the wing plate 200 are mutually self-locked, thereby realizing the packaging of the packaging box 10. The packaging box 10 provided in the present application does not require adhesive tape materials, does not increase material costs and labor costs, does not bring additional economic burdens to manufacturers, and does not require easy-tear strips, which will not adversely affect the overall aesthetics of the packaging box 10.

[0046] In some optional embodiments, the two first side panels 110 and the two second side panels 120 are alternately connected, the two first side panels 110 are spaced apart along the second direction (the Y direction in the figure), the two second side panels 120 are spaced apart along the third direction (the Z direction in the figure), and the first direction X, the second direction Y and the third direction Z are perpendicular to each other.

[0047] Optionally, the two wing panels 200 are respectively connected to the two first side panels 110 by bending. In the closed state, the inserting tongue 320 is located between the two wing panels 200 and one of the second side panels 120, and the other second side panel 120 is connected to the cover panel 310 by bending.

[0048] The packaging box 10 provided in the embodiment of the present application improves the stability of the cover plate 310 in the closed state by bending and connecting the two wing plates 200 to the two first side plates 110 respectively, thereby improving the sealing effect of the packaging box 10.

[0049] Please refer to Figures 1 to 5 , Figure 3 A schematic diagram of the structure of the cover body provided in an embodiment of the present application; Figure 4 A schematic diagram of the structure of the packaging box provided in the embodiment of the present application after being torn open along the tearing portion; Figure 5 This is a schematic diagram of the structure of the cover body provided in an embodiment of the present application after being torn open along the tearing portion.

[0050] like Figures 1 to 5 As shown, in some optional embodiments, the cover plate 310 includes a first portion 311, a second portion 312 and a tearing portion 313, the first portion 311 and the second portion 312 are connected via the tearing portion 313, the first portion 311 is bent and connected to the second side plate 120, and the second portion 312 is bent and connected to the inserting tongue 320. In order to clearly show the structure of the packaging box, Figure 4 The packaging box and Figure 5 The cover is partially perspective.

[0051] Optionally, the tearing portion 313 is prepared by a sawtooth needle knife, so that the first portion 311 and the second portion 312 are connected to the tearing portion 313 formed by the needle tooth line.

[0052] The packaging box 10 provided in the embodiment of the present application connects the first part 311 and the second part 312 by the tearing part 313. When the user needs to open the packaging box 10, the cover plate 310 can only be torn off at the tearing part 313 to separate the first part 311 and the second part 312, exposing the opening. The operation is convenient and fast without adding extra costs, and no tear strip is required, which will not damage the appearance style of the packaging box 10. The packaging box 10 provided in the present application adopts a destructive box opening method. The cover plate 310 cannot be closed again after being opened, which effectively prevents illegal opening or replacement of products and provides higher safety.

[0053] In some optional embodiments, the cover plate 310 includes a first edge 314, a side edge 315, and a second edge 316. The two side edges 315 are spaced apart along the second direction Y. The first edge 314 and the second edge 316 are spaced apart along the third direction Z. The first edge 314 is bent and connected to the second side plate 120, and the second edge 316 is bent and connected to the insert tongue 320. The tearing portion 313 includes a first tearing portion 3131, and the first tearing portion 3131 extends from the side edge 315 to the second edge 316.

[0054] Optionally, the two first tearing portions 3131 extend from the two side edges 315 to the second edge 316 respectively. The two first tearing portions 3131 may extend to the same position of the second edge 316 or to different positions of the second edge 316 .

[0055] In some optional embodiments, the tearing portion 313 further includes a second tearing portion 3132 . The second tearing portion 3132 is located on the second edge 316 , and two ends of the second tearing portion 3132 are respectively connected to the two first tearing portions 3131 .

[0056] In some optional embodiments, the tongue 320 includes a third side 321 and fourth sides 322 located on both sides of the third side 321, and the third side 321 is bent and connected to the cover plate 310, that is, the third side 321 is bent and connected to the second side 316. The two snap plates 330 are bent and connected to the two fourth sides 322 respectively.

[0057] In some optional embodiments, the box body 100 further includes a bottom plate (not shown), which is connected to the first side plate 110 and the second side plate 120 , and is located on a side of the cavity 130 facing away from the opening.

[0058] Please refer to Figure 1 and Figure 6 , Figure 6 This is a schematic structural diagram of the first side of the paperboard structure provided in an embodiment of the present application.

[0059] like Figure 1 and Figure 6 As shown, the embodiment of the second aspect of the present application further provides a paperboard structure, including a first face P1 and an opposite second face (not shown), as well as a box body area S100, a wing panel area S200 and a cover body area S300. The box body area S100 includes two first side panel areas S110 and a second side panel area S120 alternately connected along a first reference direction (direction A in the figure). The wing panel area S200 is connected to one end of the first side panel area S110 along a second reference direction (direction B in the figure), the second reference direction B is perpendicular to the first reference direction A, and the wing panel area S200 is bent toward the first face P1 to form a wing panel 200. The cover body area S300 includes a cover plate area S310, an insert tongue area S320 and a snap plate area S330. The cover plate area S310 is connected to one end of the second side plate area S120 along the second reference direction B, and the insert tongue area S320 is connected to the side of the cover plate area S310 away from the second side plate area S120 along the second reference direction B. The snap plate area S330 is connected to one end of the insert tongue area S320 along the first reference direction A. The cover plate area S310 is bent toward the first surface P1 to form the cover plate 310, the insert tongue area S320 is bent toward the first surface P1 to form the insert tongue 320, and the snap plate area S330 is bent toward the first surface P1 to form the snap plate 330.

[0060] Optionally, the cover area S300 and the wing panel area S200 are located on the same side of the box body area S100 in the second reference direction B.

[0061] Optionally, the paperboard structure further includes a bottom plate area S400, and the bottom plate area S400 is bent toward the first surface P1 to form a bottom plate.

[0062] The paperboard structure provided in the present application can be bent to form the packaging box 10 provided in the above embodiment. The first side panel area S110 and the second side panel area S120 are bent toward the first surface P1 to form the box body 100.

[0063] When the cardboard structure is not bent, the cardboard structure can be regarded as a plane structure, the two side surfaces of the plane structure are the first surface P1 and the second surface, the first reference direction A is the horizontal direction, and the second reference direction B is the vertical direction. It should be noted that when the cardboard structure is bent, bending toward the first surface P1 means that the first surface P1 of the two parts relatively bent form an angle less than 180°, and the second surface forms an angle greater than 180°. The cardboard structure can be bent to obtain a packaging box 10, and the shape of the packaging box 10 is not limited.

[0064] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A packaging box, characterized in that: include: The box body comprises a first side plate and a second side plate extending in a first direction, wherein the first side plate and the second side plate are enclosed to form a cavity, and the cavity is provided with an opening at an end portion in the first direction; A wing plate, bent and connected to the first side plate; The cover body comprises a cover plate, an insertion tongue and a snap plate which are bent and connected in sequence, wherein one end of the cover plate facing away from the insertion tongue is bent and connected to the second side plate, the cover plate covers the opening and the wing plate, the insertion tongue is located between the wing plate and the second side plate, the snap plate is located on the side of the wing plate facing the cavity, and in the first direction, the orthographic projection of the snap plate on the cover plate at least partially overlaps with the orthographic projection of the wing plate on the cover plate.

2. The packaging box according to claim 1, characterized in that: The two first side panels and the two second side panels are alternately connected, the two first side panels are spaced apart along the second direction, the two second side panels are spaced apart along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

3. The packaging box according to claim 2, characterized in that: The two wing plates are respectively connected to the two first side plates by bending.

4. The packaging box according to claim 1, characterized in that: The cover plate includes a first portion, a second portion and a tearing portion, the first portion and the second portion are connected via the tearing portion, the first portion is bent and connected to the second side plate, and the second portion is bent and connected to the inserting tongue.

5. The packaging box according to claim 4, characterized in that: The cover plate comprises a first edge, a side edge and a second edge, the two side edges are spaced apart along the second direction, the first edge and the second edge are spaced apart along the third direction, the first direction, the second direction and the third direction are perpendicular to each other, the first edge is bent and connected to the second side plate, and the second edge is bent and connected to the plug tongue; The tearing portion includes a first tearing portion extending from the side edge to the second edge.

6. The packaging box according to claim 5, characterized in that: The tearing portion further includes a second tearing portion, the second tearing portion is located at the second side, and two ends of the second tearing portion are respectively connected to the two first tearing portions.

7. The packaging box according to claim 1, characterized in that: The inserting tongue comprises a third side and fourth sides located at both sides of the connecting side, the third side is bent and connected to the cover plate, and the two snap plates are respectively bent and connected to the two fourth sides.

8. The packaging box according to claim 1, characterized in that: The box body further comprises a bottom plate, the bottom plate is connected to the first side plate and the second side plate, and the bottom plate is located at a side of the cavity away from the opening.

9. A paperboard structure, characterized in that: include: a first side and an opposing second side; as well as The box body area includes two first side panel areas and a second side panel area which are alternately connected in sequence along a first reference direction; A wing plate area connected to one end of the first side plate area along a second reference direction, the second reference direction is perpendicular to the first reference direction, and the wing plate area is bent toward the first surface direction to form a wing plate; The cover body area includes a cover plate area, an insertion tongue area and a snap plate area, the cover plate area is connected to one end of the second side plate area along the second reference direction, the insertion tongue area is connected to one end of the cover plate area along the second reference direction away from the second side plate area, the snap plate area is connected to one end of the insertion tongue area along the first reference direction, the cover plate area is bent toward the first surface to form a cover plate, the insertion tongue area is bent toward the first surface to form an insertion tongue, and the snap plate area is bent toward the first surface to form a snap plate.

10. The paperboard structure according to claim 9, characterized in that: The cover area and the wing panel area are located on the same side of the box body area in the second reference direction.

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