Lining and packaging box

By forming the lining with a folded plate and fixing it with a snap-fit ​​and double-clamp structure, the problems of high cost and environmental pollution of adhesive fixing are solved, and a low-cost and environmentally friendly lining fixing method is achieved.

CN223606092UActive Publication Date: 2025-11-28LUXSHARE ELECTRONICS TECH (KUNSHAN) LTD
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Patent Information

Application Number
CN202423228981.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-11-28
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing linings are fixed with adhesives, which is costly and pollutes the environment, making it difficult to achieve an environmentally friendly and low-cost fixing method.

Method used

The inner lining is formed by using a folded plate and fastened with a snap-fit ​​mechanism to prevent it from popping open after molding, making it easy to fix. The inner lining is formed by using a snap-fit ​​mechanism and fastening with a snap-fit ​​mechanism, which replaces the use of adhesive for fixing.

Benefits of technology

It achieves stable fixation of the liner, reduces costs and environmental pollution, and provides an environmentally friendly packaging solution.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223606092U_ABST
    Figure CN223606092U_ABST
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Abstract

The packaging box comprises the lining, the lining is formed by folding a fold line plate, the lining comprises a main body part and an outer plate connected with the main body part, the main body part is provided with an inner cavity, the inner cavity is used for containing a product, the outer plate and a part of the main body part are overlapped, and the main body part is provided with an opening. The outer plate is located on the outer side of the main body part, the outer plate is provided with a first buckle, at least one side edge of the main body part is sunken towards the inner cavity to form a forward and reverse pressing structure, and the first buckle is clamped on the forward and reverse pressing structure. The lining provided by the utility model is buckled and fixed with the positive and negative pressing structure through the buckle, so that the lining is not easy to bounce off after being formed, the cost is low, and the environment is protected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of inner lining and packing box, belong to packing technical field. BACKGROUND

[0002] The packing box is used for the packaging of products to facilitate the transportation of products, and includes an inner liner and an outer box. The inner liner is placed in the outer box, and the products are placed in the space enclosed by the inner liner. The inner liner has a cushioning function to reduce the probability of damage to the products during transportation.

[0003] In related art, the inner liner is formed by folding a fold line plate. After folding, the inner liner is fixed by adhesive, so that the inner liner is not easy to pop open. The use of adhesive not only increases cost, but also pollutes the environment. SUMMARY

[0004] The utility model aims to provide an inner liner and a packing box with low cost and environmental protection.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] An inner liner is formed by folding a fold line plate. The inner liner includes a main body portion and an outer plate connected to the main body portion. The main body portion has an inner cavity for accommodating products. The outer plate overlaps a portion of the main body portion and is located on the outer side of the main body portion. The outer plate is provided with a first buckle. At least one side edge of the main body portion is recessed towards the inner cavity to form a positive-negative click structure. The first buckle is clamped in the positive-negative click structure.

[0007] As a further improved technical solution of the utility model, the outer plate is also provided with a second buckle. The second buckle and the first buckle are respectively arranged on different edges of the outer plate. The plate surface of the main body portion overlapping the outer plate is provided with a groove. The second buckle is clamped in the groove.

[0008] As a further improved technical solution of the utility model, the positive-negative click structure on each side edge includes a first positive-negative click structure, at least one second positive-negative click structure, and a third positive-negative click structure. The first positive-negative click structure and the third positive-negative click structure are respectively located on both sides of the at least one second positive-negative click structure.

[0009] The inner cavity includes a first region, a second region, and a third region. The first region and the third region are buffer zones, and the second region is an accommodation zone. The first positive-negative click structure is located in the first region, the second positive-negative click structure is located in the second region, and the third positive-negative click structure is located in the third region.

[0010] The number of the first buckles is the same as the number of the positive and negative click structures on one side edge, and each first buckle is clamped in the corresponding positive and negative click structure.

[0011] As a further improved technical scheme of the utility model, along the width direction of the inner liner, the width of the first positive and negative click structure is greater than the width of the second positive and negative click structure, and the width of the third positive and negative click structure is greater than the width of the second positive and negative click structure; along the length direction of the inner liner, the length of the first positive and negative click structure is greater than the length of the second positive and negative click structure, and the length of the third positive and negative click structure is greater than the length of the second positive and negative click structure.

[0012] As a further improved technical scheme of the utility model, the fold line plate comprises a first side plate, a second side plate, a third side plate, a fourth side plate and a fifth side plate connected in sequence, first cutting pieces, second cutting pieces and third cutting pieces are arranged at the connection positions of any two adjacent side plates among the first side plate, the second side plate, the third side plate, the fourth side plate and the fifth side plate, the first side plate, the second side plate, the third side plate and the fourth side plate form the main body part after being folded, the fifth side plate overlaps the first side plate and forms the outer plate after being folded, the first cutting pieces are recessed towards the first area to form the first positive and negative click structure, the second cutting pieces are recessed towards the second area to form the second positive and negative click structure, and the third cutting pieces are recessed towards the third area to form the third positive and negative click structure.

[0013] As a further improved technical scheme of the utility model, the first side plate is provided with a first notch, a second notch and a third notch, the first notch is used for allowing the first positive and negative click structure between the fourth side plate and the fifth side plate to pass through, the second notch is used for allowing the second positive and negative click structure between the fourth side plate and the fifth side plate to pass through, and the third notch is used for allowing the third positive and negative click structure between the fourth side plate and the fifth side plate to pass through.

[0014] As a further improved technical scheme of the utility model, along the length direction of the fold line plate, the lengths of the first side plate, the third side plate and the fifth side plate are equal, and the lengths of the second side plate and the fourth side plate are equal.

[0015] As a further improved technical scheme of the utility model, the first buckle comprises a first sub-buckle, at least one second sub-buckle and a third sub-buckle, the second sub-buckle is located between the first sub-buckle and the third sub-buckle along the height direction of the inner liner, the first sub-buckle is clamped in the first positive and negative click structure, at least one second sub-buckle is clamped in at least one second positive and negative click structure, and the third sub-buckle is clamped in the third positive and negative click structure.

[0016] As a further improved technical scheme of the utility model, the fifth side plate comprises a first clamping strip, a second clamping strip and a third clamping strip, the first clamping strip and the third clamping strip extend from the edge of the fifth side plate, the second clamping strip is flush with the edge of the fifth side plate, the first clamping strip is bent towards the first positive and negative click structure to form the first sub-buckle, the second clamping strip is bent towards the second positive and negative click structure to form the second sub-buckle, the third clamping strip is bent towards the third positive and negative click structure to form the third sub-buckle, the upper and lower ends of the first sub-buckle are overlapped with the second side plate after being folded, and the upper and lower ends of the third sub-buckle are overlapped with the second side plate after being folded.

[0017] To achieve the above object, the utility model also adopts the following technical scheme: a packaging box comprises an inner liner and an outer box.

[0018] Compared with the prior art, the utility model has the beneficial effects that the outer plate is provided with buckles, at least one side edge of the main body portion is recessed to form a positive and negative click structure, the buckles and the positive and negative click structure are fixed by buckling, so that the inner liner is not easy to be bounced open after being formed, and the packaging is facilitated, compared with the mode of using an adhesive to fix the inner liner, the mode provided by the embodiment is lower in cost and more environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of the inner liner of the utility model;

[0020] Figure 2 is Figure 1 is another perspective view of the inner liner shown in the figure;

[0021] Figure 3 is Figure 1 is a perspective view of the inner liner shown in the figure;

[0022] Figure 4 is a plan view of the fold line plate of the utility model. DETAILED DESCRIPTION

[0023] The following will be described in detail with reference to the drawings. If there are several embodiments, the features in these embodiments can be combined with each other without conflict. When the description refers to the drawings, the same numerals in different drawings represent the same or similar elements unless otherwise specified. The description in the following exemplary embodiments does not represent all the embodiments consistent with the utility model; on the contrary, they are only examples of devices, products and / or methods consistent with the claims of the utility model and some aspects of the utility model.

[0024] The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present application. As used in the specification and claims of the present application, the articles "a", "the", and "said” are intended to mean there is "at least one", and "one or more" unless otherwise indicated by the context.

[0025] It should be understood that the use of terms such as "first", "second", and similar terms in the specification and claims of the present application are not intended to denote any order, quantity, or importance, but are merely used to distinguish one feature from another. Similarly, the use of terms such as "one" or "an" does not denote a quantity limitation, but rather indicates the presence of at least one. Unless otherwise indicated by the context, the terms "front", "back", "up", "down", and similar terms appearing in the present application are intended to facilitate description only, and are not intended to be limiting to a particular position or spatial orientation. The terms "include" or "comprise" and similar terms are open-ended expressions that are intended to mean that the elements recited after the terms "include" or "comprise" and equivalents thereof are encompassed by the terms "include" or "comprise", and that the elements recited after the terms "include" or "comprise" and equivalents thereof are not the only elements that can be encompassed by the terms "include" or "comprise". If "several" appears in the present application, it means two or more.

[0026] Please refer to Figures 1 to 4 The present application discloses a kind of packing box, including inner liner and outer box, inner liner is placed in outer box, inner liner plays the buffering effect.

[0027] Please refer to Figure 4 Inner liner is formed by folding line plate 3, and folding line plate 3 is corrugated board, and inner liner is a detachable structure, which can be folded into shape when used, and is disassembled into sheet shape when not used, facilitating transportation and storage. Compared with the filling material filling type, it will not cause waste of resources, and will not produce a large amount of logistics garbage in the process of use; compared with the foaming type buffering material, it does not need to occupy larger storage space, reduces logistics and storage cost.

[0028] Please refer to Figure 1 Inner liner includes main body part 1 and outer plate 2 connected with main body part 1, and main body part 1 has inner cavity 10, and inner cavity 10 is used to accommodate products, and outer plate 2 overlaps with a part of main body part 1, and outer plate 2 is located on the outer side of main body part 1, that is to say, outer plate 2 overlaps with a plate surface of main body part 1.

[0029] Please refer to Figure 1The outer plate 2 is provided with a first buckle 21, and the main body part 1 is recessed to form a positive and negative click structure 11 on at least one side edge of the inner cavity 10, and the first buckle 21 is clamped in the positive and negative click structure 11. Through the buckling and fixing of the buckle 21 and the positive and negative click structure 11, the inner liner is not easy to pop open after forming, which facilitates the boxing. Compared with the way of fixing the inner liner by using adhesive, the way provided in the embodiment is lower in cost and more environmentally friendly.

[0030] The number of the first buckles 21 is the same as the number of the positive and negative click structures 11 on one side edge, and each first buckle 21 is clamped in the corresponding positive and negative click structure 11.

[0031] In the embodiment, referring to Figure 1 The first buckle 21 includes a first sub-buckle 211, at least one second sub-buckle 212 and a third sub-buckle 213, and the first sub-buckle 211, the second sub-buckle 212 and the third sub-buckle 213 are arranged on the same side of the outer plate 2. Along the height direction H of the inner liner, the second sub-buckle 212 is located between the first sub-buckle 211 and the third sub-buckle 213. Referring to Figure 3 The positive and negative click structure 11 on each side edge includes a first positive and negative click structure 111, at least one second positive and negative click structure 112 and a third positive and negative click structure 113, and the first positive and negative click structure 111 and the third positive and negative click structure 113 are respectively located on the two sides of the at least one second positive and negative click structure 112; the first sub-buckle 211 is clamped in the first positive and negative click structure 111, the at least one second sub-buckle 212 is clamped in the at least one second positive and negative click structure 112, and the third sub-buckle 213 is clamped in the third positive and negative click structure 113. By arranging multiple buckles, the assembly stability of the inner liner is further improved. The number of the second sub-buckles 212 can be one or two, and the specific number is not limited.

[0032] Referring to Figure 3 The inner cavity 10 includes a first region 101, a second region 102 and a third region 103, the first positive and negative click structure 111 is located in the first region 101, the second positive and negative click structure 112 is located in the second region 102, and the third positive and negative click structure 113 is located in the third region 103. The first region 101 and the third region 103 are buffer regions, and the second region 102 is a storage region, the product is placed in the storage region, and the first positive and negative click structure 111 or the third positive and negative click structure 113 is used to support the product at both ends of the storage region. Further, the first positive and negative click structure 111 and the third positive and negative click structure 113 are respectively located at the upper and lower ends of the product, and are used to reduce the impact force received by the product in the upward and downward directions, and the plurality of second positive and negative click structures 112 are located on the outer circumferential side of the product, and are used to reduce the impact force received by the product in the radial direction.

[0033] Referring to Figure 1, along the inner liner width direction W, the width of the first positive and negative click structure 111 is greater than the width of the second positive and negative click structure 112, the width of the third positive and negative click structure 113 is greater than the width of the second positive and negative click structure 112, along the inner liner length direction L, the length of the first positive and negative click structure 111 is greater than the length of the second positive and negative click structure 112, the length of the third positive and negative click structure 113 is greater than the length of the second positive and negative click structure 112, along the inner liner height direction H, the height of the first positive and negative click structure 111 is less than the height of the second positive and negative click structure 112, the height of the third positive and negative click structure 113 is less than the height of the second positive and negative click structure 112.

[0034] Referring to Figure 1 , the upper and lower ends of the outer plate 2 are each provided with a second buckle 22, the second buckle 22 and the first buckle 21 are respectively arranged on different edges of the outer plate 2, the plate surface of the main body part 1 overlapping with the outer plate 2 is provided with a groove 131, and the second buckle 22 is clamped in the groove 131. Specifically, the second buckle 22 is trapezoidal in shape with an outer end larger than an inner end, and the shape of the groove 131 is adapted to the shape of the second buckle 22.

[0035] Referring to Figure 4 , the fold line plate 3 comprises a first side plate 31, a second side plate 32, a third side plate 33, a fourth side plate 34 and a fifth side plate 35 connected in sequence, and any adjacent two side plates among the first side plate 31, the second side plate 32, the third side plate 33, the fourth side plate 34 and the fifth side plate 35 are provided with a first cutting piece 361, a second cutting piece 362 and a third cutting piece 363. By cutting two parallel knife lines on the side plate, the part between the two parallel knife lines 100 forms a cutting piece. During the forming of the inner liner, the first side plate 31, the second side plate 32, the third side plate 33 and the fourth side plate 34 are folded along the positive pressure line 200 to form the main body part 1, the fifth side plate 35 is folded to overlap the first side plate 31 and form the outer plate 2, the first cutting piece 361 is recessed to the first area 101 to form the first positive and negative click structure 111, the second cutting piece 362 is recessed to the second area 102 to form the second positive and negative click structure 112, and the third cutting piece 363 is recessed to the third area 103 to form the third positive and negative click structure 113. It should be noted that each cutting piece is provided with a counter-pressure line 300, so that the cutting piece can be recessed to the inner cavity 10 to form the first plate 11a and the second plate 11b perpendicular to each other, the first positive and negative click structure 111, the second positive and negative click structure 112 and the third positive and negative click structure 113 each include the first plate 11a and the second plate 11b, and the counter-pressure line 300 can be located at the center of the cutting piece, or can be offset from the center, so that the size of the first plate 11a is the same as or different from the size of the second plate 11b.

[0036] Referring to Figure 4The fifth side plate 35 comprises a first clamping strip 371, a second clamping strip 372 and a third clamping strip 373. The first clamping strip 371 and the third clamping strip 373 extend beyond the edge of the fifth side plate 35, and the second clamping strip 372 is flush with the edge of the fifth side plate 35. The first clamping strip 371 is bent towards the first positive and negative click structure 111 to form a first sub-clasping portion 211, the second clamping strip 372 is bent towards the second positive and negative click structure 112 to form a second sub-clasping portion 212, and the third clamping strip 373 is bent towards the third positive and negative click structure 113 to form a third sub-clasping portion 213. The extension of the first clamping strip 371 and the third clamping strip 373 allows the upper and lower ends of the first sub-clasping portion 211 to be lapped with the folded second side plate 32, and the upper and lower ends of the third sub-clasping portion 213 to be lapped with the folded second side plate 32, thereby improving the stability of the clasping.

[0037] Referring to Figure 4 The first side plate 31 is provided with a first notch 311, a second notch 312 and a third notch 313. The first notch 311 is used for the first positive and negative click structure 111 between the fourth side plate 34 and the fifth side plate 35 to pass through, the second notch 312 is used for the second positive and negative click structure 112 between the fourth side plate 34 and the fifth side plate 35 to pass through, and the third notch 313 is used for the third positive and negative click structure 113 between the fourth side plate 34 and the fifth side plate 35 to pass through.

[0038] In some embodiments, the inner liner has a cuboid structure, the height of the inner liner is greater than the length of the inner liner, and the length of the inner liner is greater than the width of the inner liner. Referring to Figure 4 Along the length direction L1 of the fold line plate 3, the lengths of the first side plate 31, the third side plate 33 and the fifth side plate 35 are equal, the lengths of the second side plate 32 and the fourth side plate 34 are equal, the length of the first side plate 31 is less than the length of the second side plate 32, the folded first side plate 31, the third side plate 33 and the fifth side plate 35 are plate surfaces in the width direction of the inner liner, and the folded second side plate 32 and the fourth side plate 34 are plate surfaces in the length direction of the inner liner. In other possible embodiments, the length of the first side plate 31 is greater than the length of the second side plate 32, and in this case, the folded first side plate 31, the third side plate 33 and the fifth side plate 35 are plate surfaces in the length direction of the inner liner, and the folded second side plate 32 and the fourth side plate 34 are plate surfaces in the width direction of the inner liner. In other possible embodiments, along the length direction L1 of the fold line plate 3, the lengths of the first side plate 31, the second side plate 32, the third side plate 33, the fourth side plate 34 and the fifth side plate 35 are equal.

[0039] The forming process of the inner liner is specifically as follows: first, the first side plate 31, the second side plate 32, the third side plate 33 and the fourth side plate 34 are folded along the positive pressure line 200 to form the main body part 1, then the fifth side plate 35 is folded and overlapped on the first side plate 31, after that, the first cutting piece 361 is recessed to the inner cavity 10 to form the first positive and negative click structure 111, the first clamping strip 371 is bent to form the first sub clasp 211, then the product is placed in the second area 102, further, the second cutting piece 362 is recessed to the second area 102 to form the second positive and negative click structure 112, the second clamping strip 372 is bent to form the second sub clasp 212, then the third cutting piece 363 is recessed to the third area 103 to form the third positive and negative click structure 113, and the third clamping strip 373 is bent to form the third sub clasp 213.

[0040] The above embodiments are only used for illustrating the present application and not limiting the technical solutions described in the present application, and the understanding of the present application should be based on the technical personnel in the art, although the present application has been described in detail with reference to the above embodiments, however, the ordinary skilled in the art should understand that the technical personnel in the art can still modify or equivalently replace the present application, and all the technical solutions and improvements which do not deviate from the spirit and scope of the present application should be covered in the scope of the claims of the present application.

Claims

1. An inner liner characterized in that, The inner liner is formed by folding a folding line plate (3), the inner liner comprises a main body part (1) and an outer plate (2) connected with the main body part (1), the main body part (1) has an inner cavity (10) for accommodating products, the outer plate (2) overlaps a part of the main body part (1), and the outer plate (2) is located outside the main body part (1), the outer plate (2) is provided with a first buckle (21), at least one side edge of the main body part (1) is recessed to form a positive and negative click structure (11) towards the inner cavity (10), and the first buckle (21) is clamped in the positive and negative click structure (11).

2. The inner liner of claim 1, wherein, The outer plate (2) is also provided with a second buckle (22), the second buckle (22) and the first buckle (21) are respectively arranged on different edges of the outer plate (2), and the plate surface of the main body part (1) overlapping the outer plate (2) is provided with a groove (131), and the second buckle (22) is clamped in the groove (131).

3. The inner liner of claim 1 or 2, wherein, The positive and negative click structure (11) on each side edge comprises a first positive and negative click structure (111), at least one second positive and negative click structure (112) and a third positive and negative click structure (113), the first positive and negative click structure (111) and the third positive and negative click structure (113) are respectively located on two sides of the at least one second positive and negative click structure (112); The inner cavity (10) comprises a first area (101), a second area (102) and a third area (103), the first area (101) and the third area (103) are buffer areas, the second area (102) is an accommodation area, the first positive and negative click structure (111) is located in the first area (101), the second positive and negative click structure (112) is located in the second area (102), and the third positive and negative click structure (113) is located in the third area (103); The number of the first buckles (21) is the same as the number of the positive and negative click structures (11) on one side edge, and each first buckle (21) is clamped in the corresponding positive and negative click structure (11) in position.

4. The inner liner of claim 3, wherein, In the width direction (W) of the inner liner, the width of the first positive and negative click structure (111) is greater than the width of the second positive and negative click structure (112), the width of the third positive and negative click structure (113) is greater than the width of the second positive and negative click structure (112), in the length direction (L) of the inner liner, the length of the first positive and negative click structure (111) is greater than the length of the second positive and negative click structure (112), and the length of the third positive and negative click structure (113) is greater than the length of the second positive and negative click structure (112).

5. The inner liner of claim 3, wherein, The fold line plate (3) comprises a first side plate (31), a second side plate (32), a third side plate (33), a fourth side plate (34) and a fifth side plate (35) connected in sequence, any two adjacent side plates among the first side plate (31), the second side plate (32), the third side plate (33), the fourth side plate (34) and the fifth side plate (35) are provided with a first cutting piece (361), a second cutting piece (362) and a third cutting piece (363), the first side plate (31), the second side plate (32), the third side plate (33) and the fourth side plate (34) are folded to form the main body part (1), the fifth side plate (35) is overlapped with the first side plate (31) after being folded and forms the outer plate (2), the first cutting piece (361) is recessed to the first area (101) to form the first positive and negative click structure (111), the second cutting piece (362) is recessed to the second area (102) to form the second positive and negative click structure (112), and the third cutting piece (363) is recessed to the third area (103) to form the third positive and negative click structure (113).

6. The inner liner of claim 5, wherein, The first side plate (31) is provided with a first notch (311), a second notch (312) and a third notch (313), the first notch (311) is used for the first positive and negative click structure (111) between the fourth side plate (34) and the fifth side plate (35) to pass through, the second notch (312) is used for the second positive and negative click structure (112) between the fourth side plate (34) and the fifth side plate (35) to pass through, and the third notch (313) is used for the third positive and negative click structure (113) between the fourth side plate (34) and the fifth side plate (35) to pass through.

7. The inner liner of claim 5, wherein, Along the length direction (L1) of the fold line plate (3), the lengths of the first side plate (31), the third side plate (33) and the fifth side plate (35) are equal, and the lengths of the second side plate (32) and the fourth side plate (34) are equal.

8. The inner liner of claim 5, wherein, The first buckle (21) comprises a first sub-buckle (211), at least one second sub-buckle (212) and a third sub-buckle (213), along the height direction (H) of the inner liner, the second sub-buckle (212) is located between the first sub-buckle (211) and the third sub-buckle (213), the first sub-buckle (211) is clamped to the first positive and negative click structure (111), at least one second sub-buckle (212) is clamped to at least one second positive and negative click structure (112), and the third sub-buckle (213) is clamped to the third positive and negative click structure (113).

9. The inner liner of claim 8, wherein, The fifth side plate (35) comprises a first clamping strip (371), a second clamping strip (372) and a third clamping strip (373), the first clamping strip (371) and the third clamping strip (373) extend beyond the edge of the fifth side plate (35), the second clamping strip (372) is flush with the edge of the fifth side plate (35), the first clamping strip (371) is bent towards the first positive and negative click structure (111) to form the first sub-clasping buckle (211), the second clamping strip (372) is bent towards the second positive and negative click structure (112) to form the second sub-clasping buckle (212), the third clamping strip (373) is bent towards the third positive and negative click structure (113) to form the third sub-clasping buckle (213), the upper and lower ends of the first sub-clasping buckle (211) are overlapped with the second side plate (32) after being bent, the upper and lower ends of the third sub-clasping buckle (213) are overlapped with the second side plate (32) after being bent.

10. A packaging box, characterized in that An inner liner and an outer box as claimed in any one of claims 1 to 9, the inner liner being placed within the outer box.