Inner box for moon cake packaging box and octagonal moon cake packaging box

By designing a foldable mooncake packaging box inner box, including the first box body and the second box body, it can be combined into an octagonal structure, which solves the problem that the inner box can only hold one mooncake in the prior art, and realizes the flexible packaging and structural novelty of multiple mooncakes.

CN222845619UActive Publication Date: 2025-05-09XINGHUA PACKAGING
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Patent Information

Application Number
CN202421941938.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-05-09
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

The inner box of existing mooncake packaging boxes usually can only hold one mooncake, and the structure is single and can only hold one size mooncake, resulting in high packaging costs and lack of novelty.

Method used

An inner box for mooncake packaging box is designed, including a first box body and a second box body, and an L-shaped structure and a square box structure are formed through crease connections, which can be synthesized into an octagonal structure. The first box body can hold two small mooncakes, and the second box body can hold one large mooncake.

Benefits of technology

It has realized that the inner box of one mooncake packaging box can hold 3 mooncakes, solving the problem that the inner box can only hold one mooncake, and improving the flexibility and novelty of the packaging through diversified size design.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inner box for a moon cake packaging box and an octagonal moon cake packaging box, and belongs to the technical field of packaging boxes. The mooncake packaging box overcomes the defects that in the prior art, an inner box of a mooncake packaging box with an inner box and an outer box can only contain one mooncake, and the mooncake box is single in structure and can only contain mooncakes of one size. The box mainly comprises a first box body and a second box body, the first box body comprises a first box body bottom plate, the first box body bottom plate comprises a trapezoidal left bottom plate part and a square right bottom plate part, and the right side bottom edge of the left bottom plate part is connected with the right bottom plate part to form an L-shaped structure; the right side edge of the right bottom plate part is connected with a second box body side plate of the second box body through a crease, and a second box body bottom plate of the second box body is arranged on the upper side of the right bottom plate part.
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Description

Technical Field

[0001] The utility model belongs to the technical field of packaging boxes, and in particular relates to an inner box for a mooncake packaging box and an octagonal mooncake packaging box. Background Art

[0002] Mooncake packaging boxes are used to pack mooncakes. Many mooncake packaging boxes on the market are composed of an inner box and an outer box, with the inner box inside the outer box. Currently, mooncake packaging boxes with an inner box and an outer box have some problems when in use. First, the inner box in the mooncake packaging box can generally only hold one mooncake. If multiple mooncakes are needed, multiple inner boxes are required. The large number of inner boxes results in high packaging costs. Second, many current mooncake packaging boxes are quadrilateral in shape, with a relatively simple structure and lack of novelty. Third, the sizes of the inner boxes in the current mooncake packaging boxes are generally the same, and mooncakes of the same size are basically packed in them.

[0003] With the development of the packaging industry, competition is becoming increasingly fierce. Packaging boxes with many processes and complex components will increase corporate costs, while packaging with a single structure will reduce the competitiveness of the company. Summary of the invention

[0004] The utility model aims to provide an inner box for mooncake packaging and an octagonal mooncake packaging box, so as to overcome the defects of the mooncake packaging box with an inner box and an outer box in the prior art that the inner box can generally only hold one mooncake, the mooncake box has a single structure and can only hold mooncakes of one size.

[0005] The utility model is an inner box for mooncake packaging box realized by the following technical scheme, comprising a first box body and a second box body, the first box body comprising a first box body bottom plate, the first box body bottom plate comprising a left bottom plate portion in a trapezoidal shape and a right bottom plate portion in a square shape, the right bottom edge of the left bottom plate portion is connected to the right bottom plate portion and shaped into an L-shaped structure, the right side edge of the right bottom plate portion is connected to the second box body side plate of the second box body through a fold, and the second box body bottom plate of the second box body is on the upper side of the right bottom plate portion.

[0006] Furthermore, the left bottom plate portion is in the shape of an isosceles trapezoid.

[0007] Furthermore, the second box body includes a second box body side panel, a second box body top panel, a second box body side panel and a second box body bottom panel which are connected in sequence by folds; the second box body is surrounded by the second box body bottom panel, the second box body top panel and the second box body side panels on both sides to form a square box structure; one end of the second box body bottom panel is connected to the first plug tongue by a fold; and the first plug tongue is connected to the second box body side panel on the same side by glue.

[0008] Furthermore, the front and rear sides of the second box body top plate are connected to the second box body side cover plate via folds, one end of the second box body side cover plate is connected to the second plug tongue via a fold, the second plug tongue is inserted into the second box body, and the front and rear sides of the second box body side plate are connected to the first baffle plate via folds.

[0009] Furthermore, the right bottom edge of the left bottom plate portion is connected to the right side plate of the first box body through a fold at the front side of the right bottom plate portion, one end of the right side plate of the first box body is connected to the third plug tongue through a fold, a second plug tongue opening is provided between the third plug tongue and the right side plate of the first box body, and the third plug tongue is inserted into the first box body; the third plug tongue is in the shape of a right-angled trapezoid; the front side oblique edge of the left bottom plate portion is connected to the second baffle plate through a fold, and the first plug tongue opening is provided at the connection between the second baffle plate and the left bottom plate portion; the left bottom edge of the left bottom plate portion is connected to the left side of the first box body through a fold The left side plate of the first box body is connected to the trapezoidal top plate of the first box body through a fold, the front oblique side of the first box body top plate is connected to the front cover plate of the first box body through a fold, one end of the front cover plate of the first box body is connected to the fourth plug tongue through a fold, the fourth plug tongue is inserted into the first plug tongue opening, the bottom edge of one side of the first box body top plate is respectively connected to the fifth plug tongue and the eighth plug tongue through a fold, the fifth plug tongue is inserted into the first box body, and the eighth plug tongue is inserted into the second plug tongue opening; the front side of the left side plate of the first box body is connected to the fifth baffle through a fold.

[0010] Furthermore, the rear side of the right bottom plate is connected to the middle side cover plate through a fold, the middle side cover plate is connected to the sixth inserting tongue through a fold, and the sixth inserting tongue is inserted into the second box body.

[0011] Furthermore, the left side edge of the middle side cover plate is connected to the rear cover plate of the first box body through a fold, the left side edge of the rear cover plate of the first box body is connected to the seventh plug tongue through a fold, and the seventh plug tongue is inserted into the first box body; the rear beveled edge of the top plate of the first box body and the rear beveled edge of the left bottom plate are respectively connected to the third baffle and the fourth baffle through folds.

[0012] Furthermore, the fifth plug tongue is provided with an inner hole connected to the first box body top plate, the first box body top plate is connected with an extension plate matched with the inner hole, and the extension plate is on the upper side of the second box body top plate.

[0013] An octagonal mooncake packaging box, comprising the above-mentioned inner box for mooncake packaging boxes, the number of the inner boxes for mooncake packaging boxes is two, and the two inner boxes for mooncake packaging boxes are assembled into an octagonal structure; and also comprising an outer box, the outer box including an outer box top plate and an outer box bottom plate in an octagonal shape, outer box side plates are respectively installed on both sides between the outer box top plate and the outer box bottom plate, and the two inner boxes for mooncake packaging boxes are inserted into the outer box.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model provides an inner box for a mooncake packaging box which can hold three mooncakes, wherein the first box body in the inner box for the mooncake packaging box can hold two mooncakes due to its longer length, and the second box body can hold one mooncake, thus changing the situation that the current inner box for mooncake packaging can usually hold only one mooncake;

[0016] In the utility model, the width of the first box body is narrower than that of the second box body. When in use, two moon cakes of smaller sizes can be placed in the first box body, and one moon cake of larger size can be placed in the second box body, thus solving the problem that only one size of moon cake can be placed in the current moon cake packaging box.

[0017] The utility model has an octagonal structure as a whole, and the inner box of the moon cake packaging box is composed of a first box body in a trapezoidal shape and a second box body in a square shape, with a novel structure and beautiful appearance;

[0018] The inner box for the mooncake packaging box of the utility model only needs to be pasted once when folding, and is formed by folding a piece of paperboard, so it is convenient to fold and has low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the inner box for the mooncake packaging box of the utility model;

[0020] Figure 2 This is a schematic diagram of two mooncake packaging boxes assembled into an octagonal structure with inner boxes;

[0021] Figure 3 It is a schematic diagram of the outer box of the utility model;

[0022] Figure 4 This is a schematic diagram of an octagonal mooncake box;

[0023] Figure 5 This is a schematic diagram of the inner box of the mooncake packaging box of the utility model when it is fully unfolded;

[0024] Figure 6 is a schematic diagram of the bottom plate of the first box body;

[0025] Figure 7 This is a schematic diagram of the outer box of the utility model when it is fully unfolded;

[0026] Figure 8 It is a schematic diagram of the first step of folding the inner box of the mooncake packaging box of the utility model;

[0027] Fig. 9 It is a schematic diagram of the second step of folding the inner box of the mooncake packaging box of the utility model;

[0028] Fig.10It is a schematic diagram of the third step of folding the inner box of the mooncake packaging box of the utility model;

[0029] Fig.11 It is a schematic diagram of the fourth step of folding the inner box of the mooncake packaging box of the utility model;

[0030] Fig.12 It is a schematic diagram of the fifth step of folding the inner box of the mooncake packaging box of the utility model;

[0031] Fig.13 It is a schematic diagram of the sixth step of folding the inner box of the mooncake packaging box described in the utility model.

[0032] In the figure: 1, first box body; 2, second box body; 3, first box body bottom plate; 4, left bottom plate; 5, right bottom plate; 6, second box body side plate; 7, second box body bottom plate; 8, second box body top plate; 9, first plug tongue; 10, second box body side cover plate; 11, second plug tongue; 12, first baffle; 13, first box body right side plate; 14, third plug tongue; 15, second baffle; 16, first plug tongue opening; 17, first box body left side plate; 18, first box 19. First box body top plate; 20. Fourth plug tongue; 21. Fifth plug tongue; 22. Fifth baffle; 23. Middle side cover plate; 24. Sixth plug tongue; 25. First box body rear side cover plate; 26. Outer box side plate; 27. Seventh plug tongue; 28. Third baffle; 29. ​​Fourth baffle; 30. Extension plate; 31. Inner hole; 32. Outer box top plate; 33. Outer box bottom plate; 34. Outer box plug tongue; 35. Second plug tongue opening; 36. Eighth plug tongue. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0034] An inner box for mooncake packaging comprises a first box body 1 and a second box body 2, wherein the first box body 1 and the second box body 2 are both used to contain mooncakes. The inner box for mooncake packaging is formed by folding a piece of cardboard, that is, the first box body 1 and the second box body 2 are formed by folding a piece of cardboard.

[0035] The first box body 1 includes a first box body bottom plate 3, which includes a left bottom plate portion 4 in a trapezoidal shape and a right bottom plate portion 5 in a square shape. The right bottom edge of the left bottom plate portion 4 and the right bottom plate portion 5 are connected to form an L-shaped structure. Figure 6As shown, the left dotted line frame of the first box body bottom plate 3 is the left bottom plate portion 4, and the right dotted line frame is the right bottom plate portion 5. The first box body bottom plate 3 of the utility model is L-shaped as a whole, and the front and rear sides of the left side of the first box body bottom plate 3 are respectively provided with beveled edges, so that the left bottom plate portion 4 is trapezoidal. When the lengths of the beveled edges are the same, that is, the length of the front beveled edge of the left bottom plate portion 4 is the same as the length of the right beveled edge, the left bottom plate portion 4 will be in the shape of an isosceles trapezoid.

[0036] The right side edge of the right bottom plate portion 5 is connected to the second box body side plate 6 of the second box body 2 through a fold, that is, the first box body 1 is connected to the second box body 2 through a fold, and the second box body bottom plate 7 of the second box body 2 is on the upper side of the right bottom plate portion 5, so that the second box body 2 is close to the first box body 1.

[0037] The second box body 2 comprises a second box body side panel 6, a second box body top panel 8, a second box body side panel 6 and a second box body bottom panel 7 connected in sequence by folds. The second box body 2 is surrounded by the second box body bottom panel 7, the second box body top panel 8 and the second box body side panels 6 on both sides to form a square box structure. One end of the second box body bottom panel 7 is connected to the first plug tongue 9 by a fold, and the first plug tongue 9 is connected to the second box body side panel 6 on the same side by glue. The second box body 2 of the utility model is folded by a fold, and the first plug tongue 9 on the second box body bottom panel 7 is arranged parallel to the second box body side panel 6 by folding and connected by glue.

[0038] The front and rear sides of the second box body top plate 8 are connected to the second box body side cover plate 10 through folds, one end of the second box body side cover plate 10 is connected to the second plug tongue 11 through a fold, and the second plug tongue 11 is inserted into the second box body 2. The front and rear sides of the second box body side plate 6 are connected to the first baffle plate 12 through folds. When folding the utility model, firstly, the first baffle plate 12 on the second box body side plate 6 is folded toward the second box body 2, so that the first baffle plate 12 is perpendicular to the second box body side plate 6, and then the second box body side cover plate 10 is folded upward through the fold and arranged perpendicularly with the second box body bottom plate 7, and finally the second plug tongue 11 on the second box body side cover plate 10 is folded through the fold and inserted into the second box body 2.

[0039] The right bottom edge of the left bottom plate portion 4 is connected to the first box body right side plate 13 through a fold at the front side of the right bottom plate portion 5. The first box body right side plate 13 is vertically arranged with the first box body bottom plate 3. One end of the first box body right side plate 13 is connected to the third plug tongue 14 through a fold. A second plug tongue opening 35 is provided between the third plug tongue 14 and the first box body right side plate 13. The third plug tongue 14 is inserted into the first box body 1. The third plug tongue 14 is in a right-angled trapezoidal shape. The third plug tongue 14 is folded toward the first box body 1 through the fold. After folding, the third plug tongue 14 is vertically arranged with the first box body right side plate 13.

[0040] The front oblique edge of the left bottom plate 4 is connected to the second baffle 15 through a fold, and a first tongue opening 16 is defined at the connection between the second baffle 15 and the left bottom plate 4 .

[0041] The left bottom edge of the left bottom plate 4 is connected to the first box body left side plate 17 through a fold, and the first box body left side plate 17 is connected to the trapezoidal first box body top plate 18 through a fold. The first box body top plate 18 and the left bottom plate 4 have the same size.

[0042] The front oblique edge of the first box body top plate 18 is connected to the first box body front cover plate 19 through a fold, and one end of the first box body front cover plate 19 is connected to the fourth plug tongue 20 through a fold, and the fourth plug tongue 20 is inserted into the first plug tongue opening 16. By inserting the fourth plug tongue 20 into the first plug tongue opening 16, the connection between the front cover of the first box body 1 and the second baffle 15 can be achieved, that is, the connection between the first box body top plate 18 and the left bottom plate 4 can be achieved.

[0043] The bottom edge of one side of the first box body top plate 18 is connected to the fifth plug tongue 21 and the eighth plug tongue 36 respectively through a fold, the fifth plug tongue 21 is inserted into the first box body 1, and the eighth plug tongue 36 is inserted into the second plug tongue opening 35. By providing the fifth plug tongue 21 and the eighth plug tongue 36, and inserting the fifth plug tongue 21 into the first box body 1, and inserting the eighth plug tongue 36 into the second plug tongue opening 35, the first box body top plate 18 can be fixed; the front side of the first box body left side plate 17 is connected to the fifth baffle plate 22 through a fold, and the fifth baffle plate 22 is in the first box body front side cover plate 19. By providing the fifth baffle plate 22, the first box body left side plate 17 can be fixed.

[0044] The rear side of the right bottom plate 5 is connected to the middle side cover plate 23 through a fold, and the middle side cover plate 23 is connected to the sixth plug tongue 24 through a fold, and the sixth plug tongue 24 is inserted into the second box body 2. The utility model can achieve relative fixation between the second box body 2 and the first box body 1 by providing the middle side cover plate 23 and inserting the sixth plug tongue 24 on the middle side cover plate 23 into the second box body 2.

[0045] The left side edge of the middle side cover plate 23 is connected to the first box body rear side cover plate 25 through a fold, and the left side edge of the first box body rear side cover plate 25 is connected to the seventh plug tongue 27 through a fold, and the seventh plug tongue 27 is inserted into the first box body 1; the rear bevel edge of the first box body top plate 18 and the rear bevel edge of the left bottom plate portion 4 are respectively connected to the third baffle plate 28 and the fourth baffle plate 29 through folds, and the third baffle plate 28 and the fourth baffle plate 29 can be folded upwards through the folds, respectively, and the third baffle plate 28 and the fourth baffle plate 29 are on the inner side of the first box body rear side cover plate 25.

[0046] The fifth inserting tongue 21 is provided with an inner hole 31 connected to the first box body top plate 18 , and the first box body top plate 18 is connected with an extension plate 30 matched with the inner hole 31 . The extension plate 30 is on the upper side of the second box body top plate 8 and can limit the second box body 2 to a certain extent.

[0047] An octagonal mooncake packaging box, further comprising the inner box for mooncake packaging box as described above, the number of the inner boxes for mooncake packaging box is two, and the two inner boxes for mooncake packaging boxes are assembled into an octagonal structure, the two inner boxes for mooncake packaging boxes are arranged alternately, so that the second box body 2 of one of the inner boxes for mooncake packaging boxes is inserted into the front side of the second box body 2 of the other inner box for mooncake packaging boxes, so as to form an octagonal structure; and further comprising an outer box, the outer box comprising an outer box top plate 32 and an outer box bottom plate 33 in an octagonal shape, and outer box side plates 26 are respectively installed on both sides between the outer box top plate 32 and the outer box bottom plate 33. The outer box comprises an outer box top plate 32, an outer box side plate 26, an outer box bottom plate 33 and an outer box side plate 26 connected by folds in sequence, wherein the outer box top plate 32 is connected to an outer box insert tongue 34 by a fold, and the outer box insert tongue 34 is connected to one of the outer box side plates 26 by glue, and when in use, the two inner boxes for mooncake packaging boxes combined into an octagonal structure are inserted into the outer box.

[0048] The folding process of the inner box of the mooncake packaging box: Figure 5 It is a schematic diagram of the mooncake packaging box with the inner box fully unfolded, and when folded;

[0049] As attached Figure 8 and Fig. 9 As shown, the second box body side panel 6, the second box body top panel 8, the second box body side panel 6 and the second box body bottom panel 7 which are connected in sequence can be folded and shaped into the second box body 2, and the first plug tongue 9 can be connected to the second box body side panel 6 on the same side by glue, and the second box body 2 can be folded through the crease between the second box body side panel 6 and the right bottom panel 5, so that the second bottom panel of the second box body 2 can be folded to the upper side of the right bottom panel 5, and the first baffles 12 on the front and rear sides of the second box body side panels 6 on both sides can be folded toward the second box body 2 respectively, so that the first baffles 12 and the second box body side panels 6 are arranged vertically, and then the second box body 2 cover panels on both sides and the second plug tongues 11 on both sides can be folded respectively, so that the second plug tongues 11 on both sides can be inserted into the second box body 2 respectively;

[0050] As attached Fig.10 As shown, the first box body right side plate 13 and the second baffle plate 15 are folded upward through the creases, so that the first box body right side plate 13 and the second baffle plate 15 are respectively arranged vertically with the first bottom plate; Figure 4 As shown, the first box body left side plate 17, the fifth baffle plate 22 and the third inserting tongue 14 are folded toward the first box body 1 through the creases, so that the first box body left side plate 17 is vertically arranged with the first bottom plate;

[0051] like Fig.11 As shown, the first box body top plate 18 is folded through the crease so that the first box body top plate 18 is parallel to the first bottom plate, and the fifth inserting tongue 21 is folded through the crease so that the fifth inserting tongue 21 is inserted into the first box body 1;

[0052] like Fig.12 As shown, the third baffle plate 28 and the fourth baffle plate 29 are folded toward the first box body 1 through the folds, and the middle side cover plate 23 and the sixth inserting tongue 24 are folded through the folds, so that the sixth inserting tongue 24 is inserted into the second box body 2;

[0053] like Fig.13 As shown, the rear cover plate 25 of the first box body and the seventh inserting tongue 27 are folded, and the seventh inserting tongue 27 is inserted into the first box body 1 to form an inner box for moon cake packaging.

[0054] like Figure 2 The figure shows two mooncake packaging boxes that are assembled into an octagonal structure using inner boxes. Figure 4 Shown is a schematic diagram of two mooncake packaging boxes being packed into an outer box using an inner box.

Claims

1. An inner box for mooncake packaging, characterized in that: The invention comprises a first box body (1) and a second box body (2), wherein the first box body (1) comprises a first box body bottom plate (3), the first box body bottom plate (3) comprises a left bottom plate portion (4) in a trapezoidal shape and a right bottom plate portion (5) in a square shape, the right bottom edge of the left bottom plate portion (4) and the right bottom plate portion (5) are connected to form an L-shaped structure, the right side edge of the right bottom plate portion (5) is connected to a second box body side plate (6) of the second box body (2) via a fold, and the second box body bottom plate (7) of the second box body (2) is located on the upper side of the right bottom plate portion (5).

2. The inner box for mooncake packaging according to claim 1, characterized in that: The left bottom plate portion (4) is in the shape of an isosceles trapezoid.

3. The inner box for mooncake packaging according to claim 1, characterized in that: The second box body (2) comprises a second box body side panel (6), a second box body top panel (8), a second box body side panel (6) and a second box body bottom panel (7) which are connected in sequence by folds; the second box body (2) is surrounded by the second box body bottom panel (7), the second box body top panel (8) and the second box body side panels (6) on both sides to form a square box structure; one end of the second box body bottom panel (7) is connected to the first plug tongue (9) by a fold; the first plug tongue (9) is connected to the second box body side panel (6) on the same side by glue.

4. The inner box for mooncake packaging according to claim 3, characterized in that: The front and rear sides of the second box body top plate (8) are connected to the second box body side cover plate (10) via folds, one end of the second box body side cover plate (10) is connected to the second plug tongue (11) via a fold, the second plug tongue (11) is inserted into the second box body (2), and the front and rear sides of the second box body side plate (6) are connected to the first baffle plate (12) via folds.

5. The inner box for mooncake packaging according to claim 1, characterized in that: The right bottom edge of the left bottom plate (4) is connected to the right side plate (13) of the first box body through a fold at the front side of the right bottom plate (5); one end of the right side plate (13) of the first box body is connected to the third plug tongue (14) through a fold; a second plug tongue opening (35) is provided between the third plug tongue (14) and the right side plate (13) of the first box body; the third plug tongue (14) is inserted into the first box body (1); the third plug tongue (14) is in the shape of a right-angled trapezoid; the front oblique edge of the left bottom plate (4) is connected to the second baffle plate (15) through a fold; the first plug tongue opening (16) is provided at the connection between the second baffle plate (15) and the left bottom plate (4); the left bottom edge of the left bottom plate (4) is connected to the left side plate (17) of the first box body through a fold; the third plug tongue (14) is provided with a second plug tongue opening (35); ... A box body left side plate (17) is connected to a first box body top plate (18) in a trapezoidal shape through a fold, a front oblique edge of the first box body top plate (18) is connected to a first box body front cover plate (19) through a fold, one end of the first box body front cover plate (19) is connected to a fourth plug tongue (20) through a fold, the fourth plug tongue (20) is inserted into a first plug tongue opening (16), a bottom edge of one side of the first box body top plate (18) is connected to a fifth plug tongue (21) and an eighth plug tongue (36) through a fold, the fifth plug tongue (21) is inserted into the first box body (1), and the eighth plug tongue (36) is inserted into the second plug tongue opening (35); the front side of the first box body left side plate (17) is connected to a fifth baffle (22) through a fold.

6. The inner box for mooncake packaging according to claim 5, characterized in that: The rear side edge of the right bottom plate portion (5) is connected to the middle side cover plate (23) via a fold, and the middle side cover plate (23) is connected to the sixth insertion tongue (24) via a fold, and the sixth insertion tongue (24) is inserted into the second box body (2).

7. The inner box for mooncake packaging according to claim 6, characterized in that: The left side edge of the middle side cover plate (23) is connected to the first box body rear side cover plate (25) via a fold, the left side edge of the first box body rear side cover plate (25) is connected to the seventh plug tongue (27) via a fold, and the seventh plug tongue (27) is inserted into the first box body (1); the rear bevel edge of the first box body top plate (18) and the rear bevel edge of the left bottom plate (4) are connected to the third baffle plate (28) and the fourth baffle plate (29) respectively via folds.

8. The inner box for mooncake packaging according to claim 5, characterized in that: The fifth plug tongue (21) is provided with an inner hole (31) communicating with the first box body top plate (18); the first box body top plate (18) is connected to an extension plate (30) matching the inner hole (31); the extension plate (30) is located on the upper side of the second box body top plate (8).

9. An octagonal mooncake packaging box, characterized in that: It comprises the inner box for mooncake packaging according to any one of claims 1 to 8, the number of the inner boxes for mooncake packaging is two, and the two inner boxes for mooncake packaging are assembled into an octagonal structure; it also comprises an outer box, the outer box comprises an outer box top plate (32) and an outer box bottom plate (33) in an octagonal shape, outer box side plates (26) are respectively installed on both sides between the outer box top plate (32) and the outer box bottom plate (33), and the two inner boxes for mooncake packaging are inserted into the outer box.