One-piece type packing box lining
By designing a one-piece packaging box lining and using the folded side panel group to form a double-layer three-dimensional spatial structure, the product damage caused by gaps in traditional packaging boxes is solved, and better product protection and easy-to-operate space design is achieved.
Patent Information
- Application Number
- CN202420937354.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-04-30
AI Technical Summary
Existing packaging boxes may cause product shaking and damage due to voids during transportation, and traditional filling materials such as foam and plastics may cause damage such as product extrusion when filled.
A piece-type packaging box lining is designed to form a double-layer three-dimensional space folded by the first three-dimensional space folded by four side panels and a second three-dimensional space folded by the reinforced side panels to form a double-layer three-dimensional space structure to limit product shaking and provide cushioning protection.
It effectively reduces the shaking and damage of the product during transportation and provides a better protection effect. At the same time, since the height of the second three-dimensional space is lower than the first three-dimensional space, space is left for easy access and storage of the product.
Smart Images
Figure CN222808480U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of packaging, in particular to a one-piece packaging box liner. Background Art
[0002] When products are packaged, the packaging box is generally slightly larger than the product, and there is a certain gap between the various products and the packaging box. It is inevitable that they will be damaged due to shaking during transportation. Therefore, in order to reduce the damage rate of products during transportation, most merchants will fill some foam or plastic in the packaging box to fill the gap between the product and the packaging box to stabilize the product. However, the irregular filling of materials such as foam and plastic also has a certain fluidity during transportation, which may cause squeezing of the product, thereby causing certain damage to the product. Therefore, it is particularly important to develop a lining that can stabilize the product. Summary of the invention
[0003] The purpose of the utility model is to provide a one-piece packaging box liner in order to overcome the problems existing in the prior art.
[0004] The purpose of the utility model can be achieved through the following technical solutions:
[0005] The technical solution of the utility model is to provide a one-piece packaging box lining, including a first side panel, a second side panel, a third side panel and a fourth side panel which are connected in sequence and used to be folded into an up-and-down through-type cavity, a top cover which is arranged at the top end of the first side panel and used to be folded and closed at the top of the up-and-down through-type cavity, a bottom panel which is arranged at the bottom end of the first side panel and used to be folded and closed at the bottom of the up-and-down through-type cavity, a reinforcing side panel group which is connected to the second side panel, the third side panel and the fourth side panel and used to be folded and overlapped with the side walls of the up-and-down through-type cavity, the height of the reinforcing side panel group after being folded is lower than the height of the up-and-down through-type cavity.
[0006] In some specific embodiments, the reinforced side panel group includes a second side wall reinforcement plate group connected to the bottom of the second side panel and used to fold and overlap with the second side panel, a third side wall reinforcement plate group connected to the bottom of the third side panel and used to fold and overlap with the third side panel, a fourth side wall reinforcement plate group connected to the bottom of the fourth side panel and used to fold and overlap with the fourth side panel, and a first side wall reinforcement plate group connected to one side of the fourth side wall reinforcement plate group and used to fold and overlap with the first side panel, and the other side of the fourth side wall reinforcement plate group is sequentially connected to the third side wall reinforcement plate group and the second side wall reinforcement plate group.
[0007] In some specific embodiments, the second side wall reinforcement plate group includes a second side wall reinforcement plate a which is sequentially connected to the bottom of the second side panel and is used to fold and overlap with the bottom panel, a second side wall reinforcement plate b which is used to fold and be parallel to the second side panel, a second side wall reinforcement plate c which is used to fold to form a top, and a second side wall reinforcement plate d which is used to fold and overlap with the second side panel. After folding, the second side wall reinforcement plate a, the second side wall reinforcement plate b, the second side wall reinforcement plate c, and the second side wall reinforcement plate d form a through cavity on both sides which is in contact with the second side panel, and the two sides thereof are respectively connected to the first side wall reinforcement plate group and the third side wall reinforcement plate group.
[0008] In some specific embodiments, the third side wall reinforcement plate group includes a third side wall reinforcement plate a which is sequentially connected to the bottom of the third side panel and is used to fold and overlap with the bottom panel, a third side wall reinforcement plate b which is used to fold and is parallel to the third side panel, a third side wall reinforcement plate c which is used to fold and form a top, and a third side wall reinforcement plate d which is used to fold and overlap with the third side panel. After folding, the third side wall reinforcement plate a, the third side wall reinforcement plate b, the third side wall reinforcement plate c, and the third side wall reinforcement plate d form a through cavity on both sides which is adhered to the third side panel, and its two sides are respectively connected to the third side wall reinforcement plate group and the fourth side wall reinforcement plate group.
[0009] In some specific embodiments, the fourth side wall reinforcement plate group includes a fourth side wall reinforcement plate a which is sequentially connected to the bottom of the fourth side panel and is used to fold and overlap with the bottom panel, a fourth side wall reinforcement plate b which is used to fold and is parallel to the fourth side panel, a fourth side wall reinforcement plate c which is used to fold and form a top, and a fourth side wall reinforcement plate d which is used to fold and overlap with the fourth side panel. After folding, the fourth side wall reinforcement plate a, the fourth side wall reinforcement plate b, the fourth side wall reinforcement plate c, and the fourth side wall reinforcement plate d form a through cavity on both sides which is adhered to the fourth side panel, and its two sides are respectively connected to the third side wall reinforcement plate group and the first side wall reinforcement plate group.
[0010] In some specific embodiments, the first side wall reinforcement plate group includes a first side wall reinforcement plate a which is connected in sequence and used to be folded and overlapped with the bottom plate, a first side wall reinforcement plate b which is used to be folded and parallel to the first side panel, a first side wall reinforcement plate c which is used to be folded to form a top, and a first side wall reinforcement plate d which is used to be folded and overlapped with the first side panel. After folding, the first side wall reinforcement plate a, the first side wall reinforcement plate b, the first side wall reinforcement plate c, and the first side wall reinforcement plate d form a through cavity on both sides which is in contact with the first side panel, and the two sides thereof are respectively connected to the second side wall reinforcement plate group and the fourth side wall reinforcement plate group.
[0011] In some specific embodiments, a plurality of hollow portions are provided at the connection between the second side wall reinforcement plate group and the third side wall reinforcement plate group, at the connection between the third side wall reinforcement plate group and the fourth side wall reinforcement plate group, and at the connection between the fourth side wall reinforcement plate group and the first side wall reinforcement plate group. The hollow portions include a first hollow portion, a second hollow portion, a third hollow portion, and a fourth hollow portion.
[0012] The first hollow portion is respectively located at the connection between the second side wall reinforcement plate a and the third side wall reinforcement plate a, the connection between the third side wall reinforcement plate a and the fourth side wall reinforcement plate a, and the connection between the first side wall reinforcement plate a and the fourth side wall reinforcement plate a;
[0013] The second hollow portion is respectively located at the connection between the second side wall reinforcement plate b and the third side wall reinforcement plate b, at the connection between the third side wall reinforcement plate b and the fourth side wall reinforcement plate b, and at the connection between the first side wall reinforcement plate b and the fourth side wall reinforcement plate b;
[0014] The third hollow portion is respectively located at the connection between the second side wall reinforcement plate c and the third side wall reinforcement plate c, at the connection between the third side wall reinforcement plate c and the fourth side wall reinforcement plate c, and at the connection between the first side wall reinforcement plate c and the fourth side wall reinforcement plate c;
[0015] The fourth hollow portion is respectively located at the connection between the second side wall reinforcement plate d and the third side wall reinforcement plate d, at the connection between the third side wall reinforcement plate d and the fourth side wall reinforcement plate d, and at the connection between the first side wall reinforcement plate d and the fourth side wall reinforcement plate d;
[0016] Among them, the first hollow part, the second hollow part and the third hollow part located at the connection of adjacent reinforcement plate groups are connected in sequence.
[0017] In some specific embodiments, the first hollow portion is an equilateral triangle, the height of the first hollow portion is consistent with the width of the reinforcing plate a, and the vertex of the first hollow portion is located on the extension line of the connection between two adjacent side plates;
[0018] The third hollow portion is an inverted triangle, the height of the third hollow portion is consistent with the width of the reinforcing plate c, and the vertex of the third hollow portion is located on the extension line of the connection between two adjacent side plates.
[0019] In some specific embodiments, the width of the second hollow portion is greater than the width of the fourth hollow portion, and the width of the second hollow portion is consistent with the side lengths of the first hollow portion and the third hollow portion.
[0020] In some specific embodiments, a first side panel reinforcement plate e is provided on the top of the first side wall reinforcement plate a, which is connected to the side edge of the fourth side panel and is used to overlap and fit with the first side panel after folding.
[0021] Compared with the prior art, the utility model has the following beneficial effects:
[0022] (1) The utility model comprises a one-piece packaging box liner comprising a second three-dimensional space folded from a reinforced side panel group for limiting the position of the product, and a first three-dimensional space folded from four side panels and located outside the second three-dimensional space. On the one hand, the one-piece packaging box liner is easy to generate, assemble and use. On the other hand, the product is stored in the second three-dimensional space of the one-piece packaging box liner, so that the product is restricted by the second three-dimensional space during transportation, thereby obtaining a certain amount of cushioning and protection. On the third hand, since the height of the second three-dimensional space is lower than that of the first three-dimensional space, a certain amount of space is left for easy picking and storage of the product.
[0023] (2) The side walls of the second three-dimensional space of the utility model are all double-layer three-dimensional spaces, which provide a certain buffer distance between the product and the side walls of the first three-dimensional space, thereby improving the protection of the product. After folding, the two adjacent side wall reinforcement plate groups are in contact with each other to increase the protection of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0025] Figure 2 It is a schematic diagram of the top structure of the utility model.
[0026] Figure 3 It is a schematic diagram of the expansion of the utility model.
[0027] The following are marked in the figure:
[0028] 1 is the bottom plate, 2 is the first side plate, 3 is the second side plate, 4 is the third side plate, 5 is the fourth side plate, 6 is the top cover, 71 is the first hollow part, 72 is the second hollow part, 73 is the third hollow part, 74 is the fourth hollow part, 8 is the reinforcement side plate group, 81 is the second side wall reinforcement plate group, 811 is the second side wall reinforcement plate a, 812 is the second side wall reinforcement plate b, 813 is the second side wall reinforcement plate c, 814 is the second side wall reinforcement plate d, 82 is the third side wall reinforcement plate group, 821 is the third side wall reinforcement plate a, 822 is the third side wall reinforcement plate b, 823 is the third side wall reinforcement plate c, 824 is the third side wall reinforcement plate d, 83 is the fourth side wall reinforcement plate group, 831 is the fourth side wall reinforcement plate a, 832 is the fourth side wall reinforcement plate b, 833 is the fourth side wall reinforcement plate c, 834 is the fourth side wall reinforcement plate d, 84 is the first side wall reinforcement plate group, 841 is the first side wall reinforcement plate a, 842 is the first side wall reinforcement plate b, 843 is the first side wall reinforcement plate c, 844 is the first side wall reinforcement plate d. DETAILED DESCRIPTION
[0029] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and a specific operation process, but the protection scope of the present invention is not limited to the following embodiments.
[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0031] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.
[0032] In the following embodiments, unless otherwise specified, functional components or structures are conventional components or conventional structures used in the art to achieve corresponding functions.
[0033] Embodiment 1:
[0034] like Figure 1-3 As shown, a one-piece packaging box lining includes a first side panel 2, a second side panel 3, a third side panel 4 and a fourth side panel 5 which are connected in sequence and used to be folded into an up-and-down through-type cavity, a top cover 6 which is arranged at the top end of the first side panel 2 and used to be folded to close the top of the up-and-down through-type cavity, a bottom panel 1 which is arranged at the bottom end of the first side panel 2 and used to be folded to close the bottom of the up-and-down through-type cavity, and a reinforcing side panel group 8 which is connected to the second side panel 3, the third side panel 4 and the fourth side panel 5 and used to be folded to overlap and fit with the side walls of the up-and-down through-type cavity, wherein the height formed by the folded reinforcing side panel group 8 is lower than the height of the up-and-down through-type cavity. In the lining structure provided by the present technical solution, by adding a second three-dimensional space formed by a reinforced side panel group in the first three-dimensional space formed by the four side panels, it has the following three advantages: first, the formed one-piece packaging box lining is easy to generate, assemble and use; second, the product is stored in the second three-dimensional space of the one-piece packaging box lining, so that the product is restricted by the second three-dimensional space during transportation and thus obtains a certain degree of cushioning and protection; third, since the height of the second three-dimensional space is lower than the height of the first three-dimensional space, the remaining space is convenient for taking and storing the product.
[0035] The reinforced side panel group 8 includes a second side wall reinforcement plate group 81 connected to the bottom of the second side panel 3 and used for folding and overlapping with the second side panel 3, a third side wall reinforcement plate group 82 connected to the bottom of the third side panel 4 and used for folding and overlapping with the third side panel 4, a fourth side wall reinforcement plate group 83 connected to the bottom of the fourth side panel 5 and used for folding and overlapping with the fourth side panel 5, and a first side wall reinforcement plate group 84 connected to one side of the fourth side wall reinforcement plate group 83 and used for folding and overlapping with the first side panel 2. The other side of the fourth side wall reinforcement plate group 83 is sequentially connected to the third side wall reinforcement plate group 82 and the second side wall reinforcement plate group 81. The technical solution is to creatively design a first side wall reinforcement plate group 84, a second side wall reinforcement plate group 81, a third side wall reinforcement plate group 82 and a first side wall reinforcement plate group 84 that overlap and fit with the original four side panels, so that they can be folded in the form of a one-piece structure to obtain two partially overlapping three-dimensional spaces to limit the shaking of the product during transportation.
[0036] Specifically, the second side wall reinforcement plate group 81 includes a second side wall reinforcement plate a811 which is sequentially connected to the bottom of the second side panel 3 and is used to fold and overlap with the bottom plate 1, a second side wall reinforcement plate b812 which is used to fold and is parallel to the second side panel 3, a second side wall reinforcement plate c813 which is used to fold to form a top, and a second side wall reinforcement plate d814 which is used to fold and overlap with the second side panel 3. After folding, the second side wall reinforcement plates a811, b812, c813, and d814 form a through cavity on both sides which is fitted with the second side panel 3, and the two sides thereof are respectively connected to the first side wall reinforcement plate group 84 and the third side wall reinforcement plate group 82. In the technical solution, the second side wall reinforcement plate a811, the second side wall reinforcement plate b812, the second side wall reinforcement plate c813, and the second side wall reinforcement plate d814 in the second side wall reinforcement plate group 81 form a double-layer three-dimensional structure overlapping with the second side plate 3, which serves as the side wall of the second three-dimensional space, provides a certain buffer distance between the product and the side wall of the first three-dimensional space, and improves the protection of the product. And two adjacent side wall reinforcement plate groups are interconnected after folding to increase the protection of the product.
[0037] Specifically, the third side wall reinforcement plate group 82 includes a third side wall reinforcement plate a821 which is sequentially connected to the bottom of the third side panel 4 and is used to fold and overlap with the bottom panel 1, a third side wall reinforcement plate b822 which is used to fold and is parallel to the third side panel 4, a third side wall reinforcement plate c823 which is used to fold and form a top, and a third side wall reinforcement plate d824 which is used to fold and overlap with the third side panel 4. After folding, the third side wall reinforcement plates a821, b822, c823 and d824 form a through cavity on both sides which is fitted with the third side panel 4, and the two sides thereof are respectively connected to the third side wall reinforcement plate group 82 and the fourth side wall reinforcement plate group 83. In the technical solution, the third side wall reinforcement plate a821, the third side wall reinforcement plate b822, the third side wall reinforcement plate c823, and the third side wall reinforcement plate d824 in the third side wall reinforcement plate group 82 form a double-layer three-dimensional structure overlapping with the third side plate 4, which serves as the side wall of the second three-dimensional space, provides a certain buffer distance from the side wall of the first three-dimensional space for the product, and improves the protection of the product. After folding, two adjacent side wall reinforcement plate groups are connected to each other to increase the protection of the product.
[0038] Specifically, the fourth side wall reinforcement plate group 83 includes a fourth side wall reinforcement plate a831 which is sequentially connected to the bottom of the fourth side panel 5 and is used to fold and overlap with the bottom panel 1, a fourth side wall reinforcement plate b832 which is used to fold and is parallel to the fourth side panel 5, a fourth side wall reinforcement plate c833 which is used to fold and form a top, and a fourth side wall reinforcement plate d834 which is used to fold and overlap with the fourth side panel 5. After folding, the fourth side wall reinforcement plates a831, b832, c833 and d834 form a through cavity on both sides which is fitted with the fourth side panel 5, and the two sides thereof are respectively connected to the third side wall reinforcement plate group 82 and the first side wall reinforcement plate group 84. In the present technical solution, the fourth side wall reinforcement plate a831, the fourth side wall reinforcement plate b832, the fourth side wall reinforcement plate c833, and the fourth side wall reinforcement plate d834 in the fourth side wall reinforcement plate group 83 form a double-layer three-dimensional structure overlapping with the fourth side plate 5, which serves as the side wall of the second three-dimensional space, provides a certain buffer distance between the product and the side wall of the first three-dimensional space, and improves the protection of the product. After folding, two adjacent side wall reinforcement plate groups are connected to each other to increase the protection of the product.
[0039] Specifically, the first side wall reinforcement plate group 84 includes a first side wall reinforcement plate a841 which is connected in sequence and used to fold and overlap with the bottom plate 1, a first side wall reinforcement plate b842 which is used to fold and be parallel to the first side panel 2, a first side wall reinforcement plate c843 which is used to fold to form a top, and a first side wall reinforcement plate d844 which is used to fold and overlap with the first side panel 2. After folding, the first side wall reinforcement plates a841, b842, c843 and d844 form a through cavity on both sides which is fitted with the first side panel 2, and the two sides thereof are respectively connected to the second side wall reinforcement plate group 81 and the fourth side wall reinforcement plate group 83. In the technical solution, the first side wall reinforcement plate a841, the first side wall reinforcement plate b842, the first side wall reinforcement plate c843, and the first side wall reinforcement plate d844 in the first side wall reinforcement plate group 84 form a double-layer three-dimensional structure overlapping with the first side plate 2, which serves as the side wall of the second three-dimensional space, provides a certain buffer distance between the product and the side wall of the first three-dimensional space, and improves the protection of the product. After folding, two adjacent side wall reinforcement plate groups are connected to each other to increase the protection of the product.
[0040] In order to enable the two side wall reinforcement plate groups to fit together and be connected after folding, in the present embodiment, a plurality of hollow portions are provided at the connection between the second side wall reinforcement plate group 81 and the third side wall reinforcement plate group 82, at the connection between the third side wall reinforcement plate group 82 and the fourth side wall reinforcement plate group 83, and at the connection between the fourth side wall reinforcement plate group 83 and the first side wall reinforcement plate group 84. The hollow portions include a first hollow portion 71, a second hollow portion 72, a third hollow portion 73 and a fourth hollow portion 74. Exemplarily, the first hollow portion 71 is respectively located at the connection between the second side wall reinforcement plate a811 and the third side wall reinforcement plate a821, at the connection between the third side wall reinforcement plate a821 and the fourth side wall reinforcement plate a831, and at the connection between the first side wall reinforcement plate a841 and the fourth side wall reinforcement plate a831; the second hollow portions 72 are respectively located at the connection between the second side wall reinforcement plate b812 and the third side wall reinforcement plate b822, and at the connection between the The third side wall reinforcement plate b822 is located at the connection between the third side wall reinforcement plate b822 and the fourth side wall reinforcement plate b832, and is located at the connection between the first side wall reinforcement plate b842 and the fourth side wall reinforcement plate b832; the third hollow portion 73 is located at the connection between the second side wall reinforcement plate c813 and the third side wall reinforcement plate c823, at the connection between the third side wall reinforcement plate c823 and the fourth side wall reinforcement plate c833, and at the connection between the first side wall reinforcement plate c843 and the fourth side wall reinforcement plate c843. 833; the fourth hollow portion 74 is respectively located at the connection between the second side wall reinforcement plate d814 and the third side wall reinforcement plate d824, at the connection between the third side wall reinforcement plate d824 and the fourth side wall reinforcement plate d834, and at the connection between the first side wall reinforcement plate d844 and the fourth side wall reinforcement plate d834; wherein the first hollow portion 71, the second hollow portion 72, and the third hollow portion 73 located at the connection between adjacent reinforcement plate groups are sequentially connected. Thus, when the reinforcement side plate group 8 is folded, there is space for folding two adjacent reinforcement plates a, reinforcement plate b, reinforcement plate c, and reinforcement plate d.
[0041] Exemplarily, the first hollow portion 71 is an equilateral triangle, the height of the first hollow portion 71 is consistent with the width of the reinforcement plate a, and the top angle of the first hollow portion 71 is located on the extension line of the connection between the two adjacent side plates, so that when the two adjacent reinforcement plates a are folded to form the top, they are folded with the top angle of the first hollow portion 71 as the center fold line so that the two side edges of the first hollow portion 71 can fit together; the third hollow portion 73 is an inverted triangle, the height of the third hollow portion 73 is consistent with the width of the reinforcement plate c, and the top angle of the third hollow portion 73 is located on the extension line of the connection between the two adjacent side plates, so that when the two adjacent reinforcement plates c are folded to form the bottom, they are folded with the top angle of the third hollow portion 73 as the center fold line so that the two side edges of the third hollow portion 73 can fit together.
[0042] The width of the second hollow portion 72 is greater than that of the fourth hollow portion 74 , and the width of the second hollow portion 72 is consistent with the side lengths of the first hollow portion 71 and the third hollow portion 73 , so that the side edges of the side walls formed when two adjacent reinforcement plates b and d are folded fit together.
[0043] In order to strengthen the connection between the first side wall reinforcement group 84 and other parts, the top of the first side wall reinforcement plate a841 is provided with a first side panel reinforcement plate e845 which is connected to the side of the fourth side panel 5 and is used to overlap and fit with the first side panel 2 after folding.
[0044] The above description of the embodiments is to facilitate the understanding and use of the utility model by those skilled in the art. It is obvious that those familiar with the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the utility model is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the utility model without departing from the scope of the utility model should be within the scope of protection of the utility model.
Claims
1. A one-piece packaging box liner, characterized in that: The invention comprises a first side panel (2), a second side panel (3), a third side panel (4) and a fourth side panel (5) which are connected in sequence and are used to be folded to form an up-and-down through-type cavity; a top cover (6) which is arranged at the top end of the first side panel (2) and is used to be folded to close the top of the up-and-down through-type cavity; a bottom panel (1) which is arranged at the bottom end of the first side panel (2) and is used to be folded to close the bottom of the up-and-down through-type cavity; and a reinforcement side panel group (8) which is connected to the second side panel (3), the third side panel (4) and the fourth side panel (5) and is used to be folded to overlap and fit with the side wall of the up-and-down through-type cavity; the height of the reinforcement side panel group (8) after being folded is lower than the height of the up-and-down through-type cavity.
2. The one-piece packaging box liner according to claim 1, characterized in that: The reinforcing side panel group (8) comprises a second side wall reinforcing panel group (81) connected to the bottom of the second side panel (3) and used for folding and overlapping with the second side panel (3), a third side wall reinforcing panel group (82) connected to the bottom of the third side panel (4) and used for folding and overlapping with the third side panel (4), a fourth side wall reinforcing panel group (83) connected to the bottom of the fourth side panel (5) and used for folding and overlapping with the fourth side panel (5), and a first side wall reinforcing panel group (84) connected to one side of the fourth side wall reinforcing panel group (83) and used for folding and overlapping with the first side panel (2); the other side of the fourth side wall reinforcing panel group (83) is sequentially connected to the third side wall reinforcing panel group (82) and the second side wall reinforcing panel group (81).
3. The one-piece packaging box liner according to claim 2, characterized in that: The second side wall reinforcement plate group (81) comprises a second side wall reinforcement plate a (811) connected in sequence to the bottom of the second side plate (3) and used for folding and overlapping with the bottom plate (1), a second side wall reinforcement plate b (812) used for folding and being parallel to the second side plate (3), a second side wall reinforcement plate c (813) used for folding to form a top, and a second side wall reinforcement plate d (814) used for folding and overlapping with the second side plate (3); after folding, the second side wall reinforcement plate a (811), the second side wall reinforcement plate b (812), the second side wall reinforcement plate c (813), and the second side wall reinforcement plate d (814) form a through-type cavity on both sides that is in contact with the second side plate (3), and the two sides of the cavity are respectively connected to the first side wall reinforcement plate group (84) and the third side wall reinforcement plate group (82).
4. The one-piece packaging box liner according to claim 3, characterized in that: The third side wall reinforcement plate group (82) comprises a third side wall reinforcement plate a (821) connected in sequence to the bottom of the third side plate (4) and used for folding and overlapping with the bottom plate (1), a third side wall reinforcement plate b (822) used for folding and being parallel to the third side plate (4), a third side wall reinforcement plate c (823) used for folding to form a top, and a third side wall reinforcement plate d (824) used for folding and overlapping with the third side plate (4). After folding, the third side wall reinforcement plate a (821), the third side wall reinforcement plate b (822), the third side wall reinforcement plate c (823), and the third side wall reinforcement plate d (824) form a through-type cavity on both sides that is in contact with the third side plate (4), and the two sides of the cavity are respectively connected to the third side wall reinforcement plate group (82) and the fourth side wall reinforcement plate group (83).
5. The one-piece packaging box liner according to claim 4, characterized in that: The fourth side wall reinforcement plate group (83) comprises a fourth side wall reinforcement plate a (831) connected in sequence to the bottom of the fourth side plate (5) and used for folding and overlapping with the bottom plate (1), a fourth side wall reinforcement plate b (832) used for folding and being parallel to the fourth side plate (5), a fourth side wall reinforcement plate c (833) used for folding to form a top, and a fourth side wall reinforcement plate d (834) used for folding and overlapping with the fourth side plate (5). After folding, the fourth side wall reinforcement plate a (831), the fourth side wall reinforcement plate b (832), the fourth side wall reinforcement plate c (833), and the fourth side wall reinforcement plate d (834) form a through-type cavity on both sides that is in contact with the fourth side plate (5), and the two sides of the cavity are respectively connected to the third side wall reinforcement plate group (82) and the first side wall reinforcement plate group (84).
6. The one-piece packaging box liner according to claim 5, characterized in that: The first side wall reinforcement plate group (84) comprises a first side wall reinforcement plate a (841) which is connected in sequence and is used to be folded and overlapped with the bottom plate (1), a first side wall reinforcement plate b (842) which is used to be folded and arranged in parallel with the first side plate (2), a first side wall reinforcement plate c (843) which is used to be folded to form a top, and a first side wall reinforcement plate d (844) which is used to be folded and overlapped with the first side plate (2). After folding, the first side wall reinforcement plate a (841), the first side wall reinforcement plate b (842), the first side wall reinforcement plate c (843), and the first side wall reinforcement plate d (844) form a through-type cavity on both sides which is in contact with the first side plate (2), and the two sides of the cavity are respectively connected to the second side wall reinforcement plate group (81) and the fourth side wall reinforcement plate group (83).
7. The one-piece packaging box liner according to claim 6, characterized in that: A plurality of hollow portions are also provided at the connection between the second side wall reinforcement plate group (81) and the third side wall reinforcement plate group (82), at the connection between the third side wall reinforcement plate group (82) and the fourth side wall reinforcement plate group (83), and at the connection between the fourth side wall reinforcement plate group (83) and the first side wall reinforcement plate group (84), wherein the hollow portions include a first hollow portion (71), a second hollow portion (72), a third hollow portion (73), and a fourth hollow portion (74). The first hollow portion (71) is respectively located at the connection between the second side wall reinforcement plate a (811) and the third side wall reinforcement plate a (821), the connection between the third side wall reinforcement plate a (821) and the fourth side wall reinforcement plate a (831), and the connection between the first side wall reinforcement plate a (841) and the fourth side wall reinforcement plate a (831); The second hollow portion (72) is respectively located at the connection between the second side wall reinforcement plate b (812) and the third side wall reinforcement plate b (822), at the connection between the third side wall reinforcement plate b (822) and the fourth side wall reinforcement plate b (832), and at the connection between the first side wall reinforcement plate b (842) and the fourth side wall reinforcement plate b (832); The third hollow portion (73) is respectively located at the connection between the second side wall reinforcement plate c (813) and the third side wall reinforcement plate c (823), at the connection between the third side wall reinforcement plate c (823) and the fourth side wall reinforcement plate c (833), and at the connection between the first side wall reinforcement plate c (843) and the fourth side wall reinforcement plate c (833); The fourth hollow portion (74) is respectively located at the connection between the second side wall reinforcement plate d (814) and the third side wall reinforcement plate d (824), at the connection between the third side wall reinforcement plate d (824) and the fourth side wall reinforcement plate d (834), and at the connection between the first side wall reinforcement plate d (844) and the fourth side wall reinforcement plate d (834); Wherein, the first hollow portion (71), the second hollow portion (72), and the third hollow portion (73) located at the connection of adjacent reinforcement plate groups are connected in sequence.
8. The one-piece packaging box liner according to claim 7, characterized in that: The first hollow portion (71) is an equilateral triangle, the height of the first hollow portion (71) is consistent with the width of the reinforcing plate a, and the vertex of the first hollow portion (71) is located on the extension line of the connection between two adjacent side plates; The third hollow portion (73) is an inverted triangle, the height of the third hollow portion (73) is consistent with the width of the reinforcing plate c, and the vertex of the third hollow portion (73) is located on the extension line of the connection between two adjacent side plates.
9. The one-piece packaging box liner according to claim 8, characterized in that: The width of the second hollow portion (72) is greater than the width of the fourth hollow portion (74), and the width of the second hollow portion (72) is consistent with the side lengths of the first hollow portion (71) and the third hollow portion (73).
10. The one-piece packaging box liner according to claim 6, characterized in that: A first side panel reinforcing plate e (845) is provided on the top of the first side wall reinforcing plate a (841) and is connected to the side edge of the fourth side panel (5) and is used to overlap and fit with the first side panel (2) after folding.