Packaging box and paperboard structure

Abstract

The embodiment of the utility model provides a packaging box and a paperboard structure. The packaging box comprises a box handle and a cover body. The box body comprises a bottom wall, a first side wall, a second side wall, a third side wall and a fourth side wall, the first side wall, the second side wall, the third side wall and the fourth side wall are arranged around the bottom wall, the first side wall and the second side wall are oppositely arranged in the first direction, and the third side wall and the fourth side wall are oppositely arranged in the second direction. The cover body comprises a top wall and a limiting part arranged on at least one side of the two sides, in the second direction, of the top wall, and the top wall is rotationally connected with the side, away from the bottom wall, of the second side wall. The first side wall is rotatably arranged relative to the bottom wall, so that the packaging box can be switched between an open state and a closed state, in the open state, a gap is formed between the limiting part and at least part of the first side wall, and in the closed state, the limiting part and the first side wall abut against each other to limit the top wall to be bent relative to the second side wall; therefore, the packing box has a self-locking effect, rotation of the top wall relative to the second side wall is limited, and the packing box is prevented from being opened.

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] During use of the existing packaging box, the cover is in a free state relative to the box body, and the cover is easy to leave the box body to expose the items in the packaging box, which is easy to cause the items to fall during transportation. It is urgent to solve the problem of the packaging box being easy to open and causing the items to fall. Utility Model Content

[0003] The embodiment of the present application provides a packaging box and a paperboard structure, aiming to solve the problem that the cover of the packaging box is easy to open.

[0004] An embodiment of the first aspect of the present application provides a packaging box, comprising: a box body and a cover body; the box body comprises a bottom wall and a first side wall, a second side wall, a third side wall and a fourth side wall arranged around the bottom wall, the first side wall and the second side wall are arranged opposite to each other along a first direction, and the third side wall and the fourth side wall are arranged opposite to each other along a second direction; the cover body comprises a top wall and a limiting portion arranged on at least one of the two sides of the top wall along the second direction, the top wall is rotatably connected to the side of the second side wall away from the bottom wall; the first side wall is rotatably arranged relative to the bottom wall so that the packaging box can be transformed between an open state and a closed state, in the open state, there is a gap between the limiting portion and at least a part of the first side wall, and in the closed state, the limiting portion and the first side wall abut against each other to limit the bending of the top wall relative to the second side wall; the first direction and the second direction intersect.

[0005] According to some embodiments of the present application, the first side wall is rotatably arranged relative to the bottom wall so that in the open state, the angle between the first side wall and the bottom wall is greater than 90 degrees, and in the closed state, the angle between the first side wall and the bottom wall is equal to 90 degrees.

[0006] According to some embodiments of the present application, the packaging box includes two limiting portions, which are respectively arranged on both sides of the top wall along the second direction, and in the closed state, the two limiting portions abut against both sides of the first side wall along the second direction.

[0007] According to some embodiments of the present application, first inserting tongues are respectively provided on both sides of the first side wall along the second direction, and first sockets are provided on the third side wall and the fourth side wall facing the first side wall, and the first inserting tongue is used to engage with the first socket.

[0008] According to some embodiments of the present application, second tongues are provided on both sides of the second side wall along the second direction, and the third side wall and the fourth side wall each include a first plate and a second plate arranged opposite to each other along the second direction, the first plate is connected to the bottom wall, a side of the first plate facing away from the bottom wall is connected to a side of the second plate facing away from the bottom wall, the second plate is located in the direction of the first plate, and a gap is provided between the first plate and the second plate to form the first socket facing the first side wall and the second socket facing the second side wall, and the second tongue is used to clamp the second socket.

[0009] According to some embodiments of the present application, a side of the top wall facing away from the second side wall is connected to a fifth side wall, and in the closed state, the fifth side wall is located on a side of the first side wall facing away from the second side wall.

[0010] The second aspect embodiment of the present application proposes a cardboard structure, which is used to constitute the packaging box in any one of the embodiments of the first aspect above, and the cardboard structure includes: the bottom wall, the first side wall and the second side wall are respectively connected to the bottom wall on both sides along the first direction, the third side wall and the fourth side wall are respectively connected to the bottom wall on both sides along the second direction, the second side wall is connected to the top wall on the side facing away from the bottom wall; at least one of the two sides of the top wall along the second direction is connected to the limiting portion, and the first direction and the second direction intersect.

[0011] According to some embodiments of the present application, the third side wall and the fourth side wall are provided with a first socket on a side facing the first side wall, and the first side wall is provided with a first plug tongue on both sides along the second direction; the third side wall and the fourth side wall are provided with a second socket on a side facing the second side wall, and the second side wall is provided with a second plug tongue on both sides along the second direction.

[0012] According to some embodiments of the present application, the third side wall and the fourth side wall each include a first flat plate and a second flat plate, the first flat plate is connected to the bottom wall, and the second flat plate is connected to a side of the first flat plate away from the bottom wall.

[0013] According to some embodiments of the present application, a side of the top wall facing away from the second side wall is connected to a fifth side wall.

[0014] In the embodiment of the present application, the first side wall is in an open state when it rotates relative to the bottom wall until a gap exists between the limiting portion and at least a portion of the first side wall, and the top wall can be rotated in a direction away from the first side wall, the third side wall and the fourth side wall until a gap exists between at least a portion of the top wall and the first side wall, the third side wall and the fourth side wall. The first side wall is in a closed state when it rotates relative to the bottom wall until the limiting portion and the first side wall abut against each other, the limiting portion abuts against the first side wall to limit the top wall from rotating relative to the second side wall, and the top wall is located at one end of the first side wall, the third side wall and the fourth side wall away from the bottom wall.

[0015] The first side wall is rotatably arranged relative to the bottom wall so that the packaging box can be switched between an open state and a closed state, thereby making the packaging box have a self-locking effect. When the first side wall is rotated relative to the bottom wall until it abuts against the limiting portion, the rotation of the top wall relative to the second side wall is restricted, thereby preventing the packaging box from opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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.

[0017] Figure 1 It is a structural schematic diagram of a packaging box provided in an embodiment of the present application;

[0018] Figure 2 This is a schematic diagram of a cardboard structure constituting a packaging box provided in an embodiment of the present application;

[0019] Figure 3 It is a schematic diagram of another cardboard structure constituting a packaging box provided in an embodiment of the present application.

[0020] Explanation of the reference numerals: 100, bottom wall; 110, first side wall; 111, first notch; 112, fifth flat plate; 113, sixth flat plate; 120, second side wall; 130, third side wall; 140, fourth side wall; 150, first flat plate; 160, second flat plate; 200, top wall; 300, limiting portion; 310, third flat plate; 320, fourth flat plate; 400, first plug tongue; 500, second plug tongue; 600, first socket; 700, second socket; 800, fifth side wall; 810, seventh flat plate; 820, eighth flat plate; X, first direction; Y, second direction.

[0021] 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

[0022] 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.

[0023] 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.

[0024] 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.

[0025] 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.

[0026] 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.

[0027] In order to better understand this application, Figures 1 to 3 The packaging box and paperboard structure of the embodiment of the present application are described in detail.

[0028] like Figure 1 and Figure 2As shown, a packaging box provided by an embodiment of the first aspect of the present application includes a box body and a cover body; the box body includes a bottom wall 100 and a first side wall 110, a second side wall 120, a third side wall 130 and a fourth side wall 140 arranged around the bottom wall 100, the first side wall 110 and the second side wall 120 are arranged opposite to each other along a first direction X, and the third side wall 130 and the fourth side wall 140 are arranged opposite to each other along a second direction Y.

[0029] The cover body includes a top wall 200 and a limiting portion 300 disposed on at least one of two sides of the top wall 200 along the second direction Y. The top wall 200 is rotatably connected to a side of the second side wall 120 away from the bottom wall 100 .

[0030] The first side wall 110 is rotatably arranged relative to the bottom wall 100 so that the packaging box can be switched between an open state and a closed state. In the open state, there is a gap between the limiting portion 300 and at least a portion of the first side wall 110. In the closed state, the limiting portion 300 and the first side wall 110 abut against each other to limit the top wall 200 from bending relative to the second side wall 120. The first direction X and the second direction Y intersect.

[0031] In this embodiment, the first side wall 110 and the second side wall 120 are arranged opposite to each other along the first direction X, the third side wall 130 and the fourth side wall 140 are arranged opposite to each other along the second direction Y, the first side wall 110, the second side wall 120, the third side wall 130 and the fourth side wall 140 are located on one side of the bottom wall 100, and the first side wall 110, the second side wall 120, the third side wall 130, the fourth side wall 140 and the bottom wall 100 together form a accommodating cavity of the packaging box.

[0032] The first side wall 110 is in an open state when it rotates relative to the bottom wall 100 until there is a gap between the limiting portion 300 and at least part of the first side wall 110, and the top wall 200 can rotate in a direction away from the first side wall 110, the third side wall 130 and the fourth side wall 140 until there is a gap between at least part of the top wall 200 and the first side wall 110, the third side wall 130 and the fourth side wall 140. The first side wall 110 is in a closed state when it rotates relative to the bottom wall 100 until the limiting portion 300 and the first side wall 110 abut against each other, and the limiting portion 300 abuts against the first side wall 110 to limit the top wall 200 from rotating relative to the second side wall 120, and the top wall 200 is located at one end of the first side wall 110, the third side wall 130 and the fourth side wall 140 away from the bottom wall 100.

[0033] The first side wall 110 is rotatably arranged relative to the bottom wall 100 so that the packaging box can be switched between an open state and a closed state, thereby making the packaging box have a self-locking effect. When the first side wall 110 is rotated relative to the bottom wall 100 until it abuts against the limiting portion 300, the rotation of the top wall 200 relative to the second side wall 120 is restricted, and the cover body cannot leave the box body, thereby solving the problem of the packaging box being easily opened during transportation and causing items to fall.

[0034] Optionally, the first direction X and the second direction Y are perpendicular to each other.

[0035] Optionally, the first side wall 110 , the second side wall 120 , the third side wall 130 and the fourth side wall 140 are connected to the bottom wall 100 in a bent manner.

[0036] Optionally, in the closed state, the limiting portion 300 is located between the third side wall 130 and the fourth side wall 140 , and the limiting portion 300 is parallel to the third side wall 130 and / or the fourth side wall 140 .

[0037] Optionally, the limiting portion 300 , the third side wall 130 , and the fourth side wall 140 are rectangular, and the length and width of the limiting portion 300 are equal to the length and width of the third side wall 130 and / or the fourth side wall 140 .

[0038] like Figure 1 and Figure 2 As shown, in some optional embodiments, the first side wall 110 is rotatably arranged relative to the bottom wall 100, so that in the open state, the angle between the first side wall 110 and the bottom wall 100 is greater than 90 degrees, and in the closed state, the angle between the first side wall 110 and the bottom wall 100 is equal to 90 degrees.

[0039] In these optional embodiments, the first side wall 110 is rotated relative to the bottom wall 100 to an angle greater than 90 degrees to be in an open state, and a gap is formed between the limiting portion 300 and at least a portion of the first side wall 110. At this time, the first side wall 110 can be rotated, and the accommodating cavity of the packaging box can be exposed from the side of the first side wall 110 away from the bottom wall 100. The top wall 200 can be rotated in a direction away from the first side wall 110, the third side wall 130, and the fourth side wall 140 until a gap is formed between at least a portion of the top wall 200 and the first side wall 110, the third side wall 130, and the fourth side wall 140, and the packaging box is in an openable state.

[0040] The first side wall 110 is rotated relative to the bottom wall 100 to an angle of 90 degrees to be in a closed state, at which time the first side wall 110 and the second side wall 120 are located on the same side of the bottom wall 100. The limiting portion 300 abuts against the first side wall 110 to limit the top wall 200 from rotating relative to the second side wall 120. The top wall 200 is located at one end of the first side wall 110, the third side wall 130 and the fourth side wall 140 away from the bottom wall 100, and the packaging box is in a closed state.

[0041] Optionally, at least one first notch 111 is provided on a side of the first side wall 110 facing away from the bottom wall 100 , so that a finger can control the rotation of the first side wall 110 relative to the bottom wall 100 through the first notch 111 .

[0042] like Figure 1 and Figure 2 As shown, in some optional embodiments, the packaging box includes two limiting portions 300, and the two limiting portions 300 are respectively arranged on both sides of the top wall 200 along the second direction Y. In the closed state, the two limiting portions 300 abut against both sides of the first side wall 110 along the second direction Y.

[0043] In these optional embodiments, the packaging box is provided with two limiting portions 300, and the two limiting portions 300 are respectively provided on both sides of the top wall 200 along the second direction Y. The provision of two limiting portions 300 is conducive to the weight balance of the packaging box and can also enhance the appearance. Since the limiting portion 300 abuts against the first side wall 110, the provision of two limiting portions 300 abutting against both sides of the first side wall 110 along the second direction Y is conducive to force balance. The limiting portion 300 abuts against the side of the first side wall 110 facing the second side wall 120.

[0044] like Figure 1 and Figure 2 As shown, in some optional embodiments, first tongues 400 are respectively provided on both sides of the first side wall 110 along the second direction Y, and first sockets 600 are provided on the third side wall 130 and the fourth side wall 140 facing the first side wall 110, and the first tongues 400 are used to engage with the first sockets 600.

[0045] In these optional embodiments, the two first inserting tongues 400 are respectively located on both sides of the first side wall 110 along the second direction Y, and the first side wall 110 is engaged with the first socket 600 through the first inserting tongues 400 so that the first side wall 110 is connected to the third side wall 130 and the fourth side wall 140 to form a closed packaging box.

[0046] Optionally, the first plug tongue 400 is located in the first socket 600 and contacts the inner wall of the first socket 600. The first plug tongue 400 contacts and rubs against the inner wall of the first socket 600 so that the first side wall 110 maintains a relative positional relationship with the third side wall 130 and the fourth side wall 140. In the closed state, the first plug tongue 400 is located in the first socket 600. The first plug tongue 400 contacts and rubs against the inner wall of the first socket 600 so that the angle between the first side wall 110 and the bottom wall 100 is maintained at 90 degrees.

[0047] Optionally, the first plug tongue 400 may be a trapezoidal structure, consisting of a short side and a long side that are arranged opposite to each other and two oblique sides connected between the short side and the long side. The long side is connected to the first side wall 110. The first plug tongue 400 is a trapezoidal structure, and the long side is connected to the first side wall 110, so that the spacing between the two oblique sides gradually decreases in the direction toward the first socket 600, so as to facilitate the first plug tongue 400 to move in the direction close to or away from the first socket 600.

[0048] like Figure 1 and Figure 2 As shown, in some optional embodiments, the second side wall 120 is provided with second inserting tongues 500 on both sides along the second direction Y, the third side wall 130 and the fourth side wall 140 both include a first plate 150 and a second plate 160 which are arranged opposite to each other along the second direction Y, the first plate 150 is connected to the bottom wall 100, a side of the first plate 150 facing away from the bottom wall 100 is connected to a side of the second plate 160 facing away from the bottom wall 100, a gap is provided between the first plate 150 and the second plate 160 to form a first socket 600 facing the first side wall 110 and a second socket 700 facing the second side wall 120, and the second inserting tongue 500 is used to engage with the second socket 700.

[0049] In these optional embodiments, the third side wall 130 and the fourth side wall 140 both include a first flat plate 150 and a second flat plate 160 that are disposed opposite to each other along the second direction Y, the first flat plate 150 and the second flat plate 160 extend along the first direction X, the first flat plate 150 is connected to the bottom wall 100, the second flat plate 160 is located on the side of the first flat plate 150 that faces the accommodating cavity, and the gap between the first flat plate 150 and the second flat plate 160 constitutes a first socket 600 and a second socket 700 that are disposed opposite to each other along the first direction X. The second plug tongue 500 is used to engage with the second socket 700, and the second side wall 120 engages with the second socket 700 through the second plug tongue 500 so that the second side wall 120 is connected to the third side wall 130 and the fourth side wall 140 to form a closed packaging box.

[0050] Optionally, the first plate 150 is bent to connect to the second plate 160 .

[0051] Optionally, the second plug tongue 500 may be a trapezoidal structure, consisting of a short side and a long side that are arranged opposite to each other and two oblique sides connected between the short side and the long side. The long side is connected to the second side wall 120. The second plug tongue 500 is a trapezoidal structure, and the long side is connected to the second side wall 120, so that the spacing between the two oblique sides gradually decreases in the direction toward the second socket 700, so as to facilitate the second plug tongue 500 to move in the direction close to or away from the second socket 700.

[0052] Optionally, the first side wall 110, the second side wall 120, the third side wall 130 and the fourth side wall 140 are bent and connected to the bottom wall 100, the first inserting tongue 400 is bent and connected to the first side wall 110, and the second inserting tongue 500 is bent and connected to the second side wall 120, and the parts constituting the box body can be bent to a flat state, that is, the box body can be formed by bending the parts in a flat state.

[0053] like Figure 1 and Figure 2 As shown, in some optional embodiments, a side of the top wall 200 facing away from the second side wall 120 is connected to a fifth side wall 800 , and in a closed state, the fifth side wall 800 is located on a side of the first side wall 110 facing away from the second side wall 120 .

[0054] In these optional embodiments, in the closed state, the fifth side wall 800 is located on the side of the first side wall 110 away from the second side wall 120, thereby limiting the rotation of the first side wall 110 and making the angle between the first side wall 110 and the bottom wall 100 90 degrees.

[0055] Optionally, the limiting portion 300 is bent and connected to the top wall 200, and the fifth side wall 800 is bent and connected to the top wall 200, so that the parts constituting the cover body can be bent to a flat state, that is, the cover body can be formed by bending the parts in a flat state.

[0056] like Figure 2 and Figure 3 As shown, the second embodiment of the present application proposes a paperboard structure, which is used to form a packaging box in any embodiment of the first aspect, and the paperboard structure includes: a bottom wall 100, the bottom wall 100 is connected to a first side wall 110 and a second side wall 120 on both sides along the first direction X, respectively, the bottom wall 100 is connected to a third side wall 130 and a fourth side wall 140 on both sides along the second direction Y, respectively, the second side wall 120 is connected to a top wall 200 on a side away from the bottom wall 100; at least one of the two sides of the top wall 200 along the second direction Y is connected to a limiting portion 300. The first direction X and the second direction Y intersect.

[0057] In this embodiment, the bottom wall 100, the first side wall 110, the second side wall 120, the third side wall 130, the fourth side wall 140, the top wall 200 and the limiting portion 300 are coplanar, so that a smaller space can be occupied during storage or transportation, etc. The bottom wall 100, the first side wall 110, the second side wall 120, and the third side wall 130 can constitute a box body, and the top and the limiting portion 300 can constitute a cover body. There can be two limiting portions 300, and the two limiting portions 300 are respectively arranged on both sides of the top wall 200 along the second direction Y. When the paperboard structure forms a packaging box, it is in an open state when there is a gap between the limiting portion 300 and at least part of the first side wall 110, and the top wall 200 can be rotated in a direction away from the first side wall 110, the third side wall 130 and the fourth side wall 140 until there is a gap between at least part of the top wall 200 and the first side wall 110, the third side wall 130 and the fourth side wall 140. The limiting portion 300 and the first side wall 110 are in a closed state when they abut against each other. The limiting portion 300 abuts against the first side wall 110 to limit the top wall 200 from rotating relative to the second side wall 120. The top wall 200 is located at one end of the first side wall 110, the third side wall 130 and the fourth side wall 140 away from the bottom wall 100.

[0058] The first side wall 110 is rotatably arranged relative to the bottom wall 100 so that the packaging box can be switched between an open state and a closed state, thereby making the packaging box have a self-locking effect. When the first side wall 110 is rotated relative to the bottom wall 100 until it abuts against the limiting portion 300, the rotation of the top wall 200 relative to the second side wall 120 is restricted, thereby preventing the packaging box from opening.

[0059] Optionally, the first side wall 110 , the second side wall 120 , the third side wall 130 , and the fourth side wall 140 are all bent and connected to the bottom wall 100 , the top wall 200 is bent and connected to the second side wall 120 , and the limiting portion 300 is bent and connected to the top wall 200 .

[0060] like Figure 2 and Figure 3 As shown, in some optional embodiments, the size of the limiting portion 300 along the first direction X is equal to the size of the third side wall 130 and the fourth side wall 140 along the first direction X.

[0061] In these optional embodiments, the dimension of the limiting portion 300 along the first direction X is equal to the dimension of the third side wall 130 and the fourth side wall 140 along the first direction X, so that when the packaging box is formed, the limiting portion 300 abuts against the first side wall 110, so that the limiting portion 300 limits the rotation of the top wall 200, thereby realizing the locking function of the packaging box.

[0062] like Figure 2 and Figure 3As shown, in some optional embodiments, a first socket 600 is provided on the side of the third side wall 130 and the fourth side wall 140 facing the first side wall 110, and first plug tongues 400 are provided on both sides of the first side wall 110 along the second direction Y; a second socket 700 is provided on the side of the third side wall 130 and the fourth side wall 140 facing the second side wall 120, and second plug tongues 500 are provided on both sides of the second side wall 120 along the second direction Y.

[0063] In these optional embodiments, the first plug tongue 400 is used to snap into the first socket 600, and the first side wall 110 can be snapped into the first socket 600 through the first plug tongue 400 so that the first side wall 110 is connected to the third side wall 130 and the fourth side wall 140, and the second plug tongue 500 is used to snap into the second socket 700, and the second side wall 120 can be snapped into the second socket 700 through the second plug tongue 500 so that the second side wall 120 is connected to the third side wall 130 and the fourth side wall 140 to form a closed packaging box.

[0064] Optionally, the third side wall 130 and the fourth side wall 140 each include at least two stacked flat plates, the flat plates extend along the first direction X, and a gap between the two flat plates constitutes a first socket 600 and a second socket 700 that are oppositely arranged along the first direction X.

[0065] Optionally, the second plug tongue 500 may be a trapezoidal structure, consisting of a short side and a long side that are arranged opposite to each other and two oblique sides connected between the short side and the long side. The long side is connected to the second side wall 120. The second plug tongue 500 is a trapezoidal structure, and the long side is connected to the second side wall 120, so that the spacing between the two oblique sides gradually decreases in the direction toward the second socket 700, so as to facilitate the second plug tongue 500 to move in the direction close to or away from the second socket 700.

[0066] Optionally, the first inserting tongue 400 is bent and connected to the first side wall 110 , and the second inserting tongue 500 is bent and connected to the second side wall 120 , so that the paperboard structure can be laid flat.

[0067] like Figure 2 and Figure 3 As shown, in some optional embodiments, the third side wall 130 and the fourth side wall 140 both include a first plate 150 and a second plate 160 , the first plate 150 is connected to the bottom wall 100 , and the second plate 160 is connected to the side of the first plate 150 away from the bottom wall 100 .

[0068] In these optional embodiments, the first flat plate 150 is connected to the bottom wall 100 , the second flat plate 160 is bendably connected to the first flat plate 150 , and the first flat plate 150 and the second flat plate 160 may be coplanar with the bottom wall 100 .

[0069] Optionally, the limiting portion 300 includes a third plate 310 and a fourth plate 320 , the third plate 310 is connected to the top wall 200 , the fourth plate 320 is connected to a side of the third plate 310 away from the top wall 200 , and the third plate 310 and the fourth plate 320 are coplanar with the top wall 200 .

[0070] like Figure 2 and Figure 3 As shown, in some optional embodiments, a fifth side wall 800 is connected to a side of the top wall 200 facing away from the second side wall 120 .

[0071] Optionally, the first side wall 110 includes a fifth flat plate 112 and a sixth flat plate 113, the fifth flat plate 112 is connected to the bottom wall 100, the sixth flat plate 113 is connected to the side of the fifth flat plate 112 away from the bottom wall 100, and the fifth flat plate 112 and the sixth flat plate 113 are coplanar with the bottom wall 100. A notch is provided at the connection between the fifth flat plate 112 and the sixth flat plate 113, and the notch constitutes the first notch 111.

[0072] Optionally, the fifth side wall 800 includes a seventh plate 810 and an eighth plate 820 , the seventh plate 810 is connected to the top wall 200 , the eighth plate 820 is connected to a side of the seventh plate 810 away from the top wall 200 , and the seventh plate 810 and the eighth plate 820 are coplanar with the top wall 200 .

[0073] In these optional embodiments, the fifth side wall 800 is bent and connected to the top wall 200, so that the parts constituting the cover body can be laid flat.

[0074] 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: Box body; It comprises a bottom wall and a first side wall, a second side wall, a third side wall and a fourth side wall arranged around the bottom wall, wherein the first side wall and the second side wall are arranged opposite to each other along a first direction, and the third side wall and the fourth side wall are arranged opposite to each other along a second direction; The cover body comprises a top wall and a limiting portion provided on at least one of two sides of the top wall along the second direction, wherein the top wall is rotatably connected to a side of the second side wall away from the bottom wall; The first side wall is rotatably arranged relative to the bottom wall so that the packaging box can be transformed between an open state and a closed state. In the open state, there is a gap between the limiting portion and at least a portion of the first side wall. In the closed state, the limiting portion and the first side wall abut against each other to limit the top wall from bending relative to the second side wall. The first direction and the second direction intersect.

2. The packaging box according to claim 1, characterized in that: The first side wall is rotatably arranged relative to the bottom wall, so that in the open state, the angle between the first side wall and the bottom wall is greater than 90 degrees, and in the closed state, the angle between the first side wall and the bottom wall is equal to 90 degrees.

3. The packaging box according to claim 1, characterized in that: The packaging box includes two limiting portions, which are respectively arranged on both sides of the top wall along the second direction. In the closed state, the two limiting portions abut against both sides of the first side wall along the second direction.

4. The packaging box according to claim 1, characterized in that: The first side wall is provided with first inserting tongues on both sides along the second direction, and the third side wall and the fourth side wall are provided with first sockets on one side facing the first side wall, and the first inserting tongues are used for clamping the first sockets.

5. The packaging box according to claim 4, characterized in that: The second side wall is provided with second inserting tongues on both sides along the second direction, the third side wall and the fourth side wall each include a first plate and a second plate arranged opposite to each other along the second direction, the first plate is connected to the bottom wall, a side of the first plate facing away from the bottom wall is connected to a side of the second plate facing away from the bottom wall, the second plate is located in the direction of the first plate, a gap is provided between the first plate and the second plate to form the first socket facing the first side wall and the second socket facing the second side wall, and the second inserting tongue is used to clamp the second socket.

6. The packaging box according to claim 1, characterized in that: A side of the top wall facing away from the second side wall is connected to a fifth side wall. In the closed state, the fifth side wall is located on a side of the first side wall facing away from the second side wall.

7. A paperboard structure, used to form a packaging box according to any one of claims 1 to 6, characterized in that: The paperboard structure comprises: The bottom wall, the first side wall and the second side wall are connected to the two sides of the bottom wall along the first direction respectively, the third side wall and the fourth side wall are connected to the two sides of the bottom wall along the second direction respectively, and the top wall is connected to the side of the second side wall facing away from the bottom wall; The limiting portion is connected to at least one of the two sides of the top wall along the second direction, and the first direction and the second direction intersect.

8. The paperboard structure according to claim 7, characterized in that: The third side wall and the fourth side wall are provided with a first socket on one side facing the first side wall, and the first side wall is provided with a first plug tongue on both sides along the second direction; the third side wall and the fourth side wall are provided with a second socket on one side facing the second side wall, and the second side wall is provided with a second plug tongue on both sides along the second direction.

9. The paperboard structure according to claim 7, characterized in that: The third side wall and the fourth side wall each include a first flat plate and a second flat plate, wherein the first flat plate is connected to the bottom wall, and the second flat plate is connected to a side of the first flat plate away from the bottom wall.

10. The paperboard structure according to claim 7, characterized in that: A side of the top wall facing away from the second side wall is connected to a fifth side wall.

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