Packaging structure and packaging box for fragile article

Abstract

A packaging structure and a packaging box for a fragile article, the packaging structure comprising: a first bottom support (10) and a first film (30), wherein the first bottom support (10) comprises a first base body (15) and a first opening surface (13), and the first film (30) is arranged on the first opening surface (13); the first film (30) has ductility; when subjected to a pressure from a target fragile article, the first film (30) is stretched towards the bottom of the first base body (15), and there are gaps between the stretched first film (30) and the bottom and side surfaces of the first base body (15).

Description

Packaging structure and packaging box for fragile goods

[0001] The present application claims priority to the Chinese patent application No. 202421520889.1, filed on June 28, 2024, and entitled "Packaging structure and packaging box for fragile goods", the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the technical field of logistics packaging, in particular to a packaging structure and packaging box for fragile goods. BACKGROUND

[0003] With the development of e-commerce logistics, fresh food, ceramics, glass, electronic products and other fragile goods are prone to irreversible damage to the fragile goods during transportation due to their physical properties.

[0004] In the traditional technology, in order to fix and buffer the fragile goods during transportation, air bags combined with corrugated paper boxes or foamed plastic box materials are used to prevent the sliding, jolting, impact and other physical processes of the fragile goods in the packaging during storage and transportation. However, these packaging materials will still cause compression to the internal fragile goods, resulting in damage to the fragile goods. SUMMARY

[0005] Therefore, it is necessary to provide a packaging structure and packaging box for fragile goods to solve the problem of damage to the fragile goods caused by compression of the packaging materials in the traditional technology.

[0006] In one aspect, the present application provides a packaging structure for fragile goods, comprising a first bottom support and a first film, wherein:

[0007] The first bottom support comprises a first base body and a first opening surface, and the first film is fixedly arranged on the first opening surface, and a cavity is formed between the first film and the first base body;

[0008] The first film has ductility, and the first film extends towards the bottom of the first base body under the pressure from the target fragile goods, and the first film has a gap with the bottom and side surface of the first base body after extension.

[0009] In one embodiment, the packaging structure further comprises a second bottom support and a second film, wherein:

[0010] The second bottom support comprises a second base body and a second opening surface, and the second film is arranged on the second opening surface; the second film has ductility, and the second film has a gap with the bottom and side surface of the second base body after extension.

[0011] The first bottom support and the first film form a first structure, and the second bottom support and the second film form a second structure; when the first structure and the second structure are combined, an elastic space for covering the target fragile product is formed between the first film and the second film.

[0012] In one of the embodiments, the first bottom support and the second bottom support are each provided with a plurality of reinforcing structures, and the first film and the second film are not in contact with any of the reinforcing structures after being stretched.

[0013] In one of the embodiments, the first opening surface is provided with an opening, and the second opening surface is provided with a clamping member.

[0014] When the first structure and the second structure are combined, the clamping member is clamped in the opening to fix the first structure and the second structure.

[0015] In one of the embodiments, the first film and the first opening surface are attached by hot melting, and the second film and the second opening surface are attached by hot melting.

[0016] In one of the embodiments, the first bottom support and the second bottom support are pulp molded bottom supports.

[0017] In one of the embodiments, the pulp molded bottom support is made by semi-wet pressing.

[0018] In one of the embodiments, the material of the first film and the material of the second film include one of thermoplastic polyurethane (TPU), polyethylene (PE), and polyvinyl chloride (PVC).

[0019] In one of the embodiments, the first film and the second film are provided with air permeable holes.

[0020] On the other hand, the application also provides a packaging box for fragile products, which comprises a box body and a packaging structure as described in the above embodiments arranged in the box body.

[0021] The packaging structure of the fragile product provided by the embodiment of the present application comprises a first bottom support and a first film, wherein the first bottom support comprises a first bottom body and a first opening surface, the first film is arranged on the first opening surface, a cavity is formed between the first film and the first bottom body, the first film has ductility, the first film is ductile towards the bottom of the first bottom body under the pressure from the target fragile product, and the first film has a gap with the bottom and side surface of the first bottom body after being ductile. The target fragile product can be placed on the first film. When the target fragile product shakes during transportation, the ductility of the first film provides a certain buffer space for the fragile product. Meanwhile, the first film has a gap with the bottom and side surface of the first bottom body after being ductile, so that the target fragile product and the first bottom body are not pressed or collided due to contact, thereby improving the safety of the fragile product during transportation. BRIEF DESCRIPTION OF DRAWINGS

[0022] For better describing and illustrating the embodiments and / or examples of the present application, one or more drawings can be referred to. Additional details or examples used for describing the drawings should not be considered as limiting the scope of any one of the disclosed applications, the presently described embodiments and / or examples, and the best mode of these applications presently understood.

[0023] FIG. 1 is a schematic diagram of the overall structure of the packaging structure of the fragile product in one embodiment.

[0024] FIG. 2 is a schematic diagram of the side surface of the packaging structure of the fragile product in one embodiment.

[0025] FIG. 3 is a schematic diagram of the internal structure of the packaging structure of the fragile product in one embodiment.

[0026] FIG. 4 is a schematic diagram of the partial structure of the packaging structure of the fragile product in one embodiment.

[0027] FIG. 5 is a schematic diagram of the overall structure of the packaging structure of the fragile product in another embodiment.

[0028] FIG. 6 is a schematic diagram of the side surface of the packaging structure of the fragile product in another embodiment.

[0029] FIG. 7 is a schematic diagram of the structure of the packaging box of the fragile product in one embodiment.

[0030] 10: first bottom support; 11, first reinforcing structure; 12, second reinforcing structure; 13, first opening surface; 14, opening; 15, first base body; 20, second bottom support; 21, third reinforcing structure; 22, fourth reinforcing structure; 23, second opening surface; 24, clamping piece; 25, second base body; 30, first film; 40, second film; 51, first cavity; 52, second cavity; 53, elastic space; 60, packaging box. DETAILED DESCRIPTION

[0031] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways beyond the specific embodiments described and it is therefore contemplated to cover all such modifications as fall within the scope of the application. It should be noted that the specific embodiments of the present application do not limit the scope of the present application.

[0032] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0033] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "a plurality of" appears, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0034] In the present application, unless specifically defined otherwise, if there is an appearance of the terms "installation", "connection", "connection", "fixation" and the like, these terms should be broadly interpreted. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] In the present application, unless specifically defined otherwise, if there is an appearance of the terms "installation", "connection", "connection", "fixation" and the like, these terms should be broadly interpreted. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are for illustrative purposes only and do not represent the only implementation.

[0037] Referring to FIG. 1, FIG. 2 and FIG. 3, the packaging structure of the fragile product is provided in the embodiment of the present application, FIG. 1 is a schematic diagram of the overall structure of the packaging structure of the fragile product in an embodiment of the present application, FIG. 2 is a schematic diagram of the side of the packaging structure in FIG. 1, and FIG. 3 is a schematic diagram of the internal structure of the packaging structure in FIG. 1.

[0038] The packaging structure of the present embodiment comprises a first bottom support 10 and a first film 30.

[0039] The first bottom support 10 comprises a first base body 15 and a first opening surface 13, and the first film 30 is fixedly arranged on the first opening surface 13; a cavity is formed between the first film 30 and the first base body 15

[0040] The first film 30 has ductility, and the first film 30 is ductile in the direction of the bottom of the first base body 15 under the pressure from the target fragile product, and the first film 30 has a gap with the bottom and the side of the first base body 15 after being ductile.

[0041] The target fragile product includes but is not limited to fresh food, ceramics, glass, electronic products and other easily damaged products during transportation.

[0042] Specifically, the first bottom support 10 is mainly used for bearing the entire packaging structure, and the first bottom support 10 includes a first base body 15, which is mainly used for supporting the packaging structure, and the first base body 15 is used to bear the bumps and pressure during transportation if the target fragile product is placed in the packaging structure. The first bottom support 10 further includes a first opening surface 13, which is directly connected with the first base body 15, and the first opening surface 13 is a plane corresponding to the opening direction of the packaging structure, and the first opening surface 13 has an opening, through which the target fragile product is placed into the packaging structure. The first film 30 is used to cover the first opening surface 13 corresponding to the first bottom support 10, so that the horizontal surface around the opening of the first opening surface 13 is completely covered by the first film 30, and the opening of the first opening surface 13 can place the target fragile product through the first film 30. At this time, the first film 30 and the first base body 15 form a cavity, for example, a first cavity 51.

[0043] At this time, the first bottom support 10 and the first film 30 jointly constitute the packaging structure, and the target fragile product is placed at the opening corresponding to the first film 30. Under the pressure from the target fragile product, the first film 30 will be ductile in the direction of the pressure, i.e. in the direction of the bottom of the first base body 15, and the ductile depth is positively correlated with the pressure of the target fragile product. For example, the target fragile product can be grapes, and the grapes are placed on the first film 30, which will be deformed in the direction of the bottom of the first base body 15, and the deformed first film 30 has a gap with the bottom of the first base body 15 and the side of the first base body 15, so that the target fragile product does not directly contact the first bottom support 10, but only bears the weight of the target fragile product through the first film 30.

[0044] The packaging structure for fragile goods provided by the embodiments of the present application comprises a first bottom support 10 and a first film 30, wherein the first bottom support 10 comprises a first base body 15 and a first opening surface 13, the first film 30 is fixedly arranged on the first opening surface 13, and a cavity is formed between the first film 30 and the first base body 15; and the first film 30 has ductility, the first film 30 is ductile towards the bottom of the first base body 15 under the pressure from the target fragile goods, and a gap exists between the first film 30 and the bottom and side surface of the first base body 15 after the ductility of the first film 30. The target fragile goods can be placed on the first film 30, and when the target fragile goods shakes during transportation, the ductility of the first film 30 provides a certain buffer space for the fragile goods, and at the same time, a gap exists between the first film 30 and the bottom and side surface of the first base body 15 after the ductility of the first film 30, so that the target fragile goods and the first base body 15 will not be squeezed or collided due to contact, thereby improving the safety of the fragile goods during transportation.

[0045] FIG. 4 is a partial structural schematic diagram of the packaging structure for fragile goods in the embodiments of the present application. In an exemplary embodiment, the packaging structure further comprises a second bottom support 20 and a second film 40.

[0046] The second bottom support 20 comprises a second base body 25 and a second opening surface 23, and the second film 40 is arranged on the second opening surface 23; the second film 40 has ductility, and a gap exists between the second film 40 and the bottom and side surface of the second base body 25 after the ductility of the second film 40.

[0047] The first structure composed of the first bottom support 10 and the first film 30 and the second structure composed of the second bottom support 20 and the second film 40 form an elastic space 53 for covering the target fragile goods when the first structure and the second structure are combined.

[0048] Specifically, the first bottom support 10 and the second bottom support 20 can form a closed packaging structure by combination, and the packaging structure can be supported in at least six directions, such as up, down, left, right, front and back, from the outside of the packaging structure. Among them, the second bottom support 20 includes a second bottom body 25, which is mainly used to support the packaging structure, and if the target fragile product is placed in the closed packaging structure, the first bottom body 15 and the second bottom body 25 can bear the bumps and pressure in the transportation process. The second bottom support 20 further comprises a second opening surface 23, which is directly connected with the second bottom body 25, and the second opening surface 23 is a plane corresponding to the opening direction of the packaging structure. There is an opening in the second opening surface 23, and the target fragile product is placed into the second film 40 through the opening. The second film 40 is used to cover the second opening surface 23 corresponding to the second bottom support 20, so that the surface around the opening of the second opening surface 23 is completely covered by the second film 40, and the target fragile product can be placed through the second film 40 at the opening of the second opening surface 23.

[0049] Based on this, the first bottom support 10 and the first film 30 can constitute a bottom bearing structure, that is, a first structure, and the second bottom support 20 and the second film 40 can constitute a top bearing structure, that is, a second structure. The target fragile product is wrapped by the first film 30 of the bottom bearing structure and the second film 40 of the top bearing structure, that is, after the combination of the bottom bearing structure and the top bearing structure, the target fragile product is wrapped by the first film 30 and the second film 40, and the target fragile product does not directly contact the first bottom support 10 and the second bottom support 20. There is a gap between the target fragile product and the bottom and side of the first bottom body 15 and the second bottom body 25, such as the first cavity 51 and the second cavity 52.

[0050] As shown in FIG. 5, the packaging structure of the target fragile product in the embodiment of the present application is shown in the overall structure diagram, which can be composed of the first bottom support 10, the first film 30, the second bottom support 20 and the second film 40. The first bottom support 10 and the second bottom support 20 are mirror image buckling, so that the first opening surface 13 and the second opening surface 23 are buckled, and at this time the first film 30 and the second film 40 are attached, so that the first film 30 and the second film 40 wrap the target fragile product by attachment.

[0051] As shown in FIG. 6, an internal structure of the fragile product in the embodiment of the present application is shown. When the first structure and the second structure are combined, an elastic space 53 can be formed to prevent the target fragile product from colliding with the packaging structure. The elastic space 53 can be formed based on the wrapping of the target fragile product by the first film 30 and the second film 40. The first structure itself has a first space 51, and the second structure itself has a second space 52. When the target fragile product is turned over or jolted during transportation, the target fragile product wrapped by the first film 30 and the second film 40 can be pressed against the first space 51 and the second space 52, but the target fragile product will not directly contact the first base body 15 and the second base body 25.

[0052] In the embodiment of the present application, the first structure composed of the first base 10 and the first film 30 and the second structure composed of the second base 20 and the second film 40 are combined, so that the target fragile product is placed in the wrapping of the first film 30 and the second film 40. Since the target fragile product is suspended in the cavity formed by the first structure and the second structure after being wrapped, the packaging structure will not collide with the first structure and the second structure during transportation, such as turning over and transportation, thereby further improving the transportation safety of the target fragile product.

[0053] In an exemplary embodiment, as shown in FIGS. 3 and 4, the first base 10 and the second base 20 are each provided with a plurality of reinforcing structures, and the first film 30 and the second film 40 do not contact any reinforcing structure after being stretched. The reinforcing structures can be divided into transverse reinforcing structures and longitudinal reinforcing structures. The number of reinforcing structures is not specifically limited. For example, the transverse reinforcing structures can be reinforcing beams, and the longitudinal reinforcing structures can be reinforcing ribs. The reinforcing beams and the reinforcing ribs are perpendicular to each other. The first reinforcing structure 11 in FIG. 3 represents the corresponding longitudinal reinforcing structure of the first base 10, and the second reinforcing structure 12 represents the corresponding transverse reinforcing structure of the first base 10. The third reinforcing structure 21 in FIG. 4 represents the corresponding longitudinal reinforcing structure of the second base 20, and the fourth reinforcing structure 22 represents the corresponding transverse reinforcing structure of the second base 20.

[0054] In the embodiment of the present application, the plurality of reinforcing structures can improve the bearing capacity of the first base 10 and the second base 20, and further improve the safety of the packaging structure.

[0055] In an exemplary embodiment, as shown in FIGS. 3 and 4, the first opening surface 13 is provided with an opening hole 14, and the second opening surface 23 is provided with a clamping piece 24. When the first structure and the second structure are combined, the clamping piece 24 is clamped into the opening hole 14 to fix the first structure and the second structure.

[0056] Specifically, the opening hole 14 is arranged at the first opening surface 13, and the clamping piece 24 is arranged at the second opening surface 23. When the first structure and the second structure are combined, the opening hole 14 and the clamping piece 24 can be fixed together.

[0057] Optionally, a folding device is arranged between any side of the first opening surface 13 and a side of the second opening surface 23 corresponding to the any side. For example, the folding device can be a hinge. The first structure and the second structure are connected through the hinge, so that the first structure and the second structure are folded through the hinge, thereby facilitating the combination of the first structure and the second structure.

[0058] The first structure and the second structure can be combined through the opening hole 14 and the clamping piece 24, so as to prevent the first structure and the second structure from loosening during transportation, thereby preventing the target fragile product from falling, and improving the safety of the packaging structure.

[0059] In an example embodiment, the first film 30 is attached to the first opening surface 13 by hot melting, and the second film 40 is attached to the second opening surface 23 by hot melting. The hot melting can improve the attachment stability of the first film 30 to the first opening surface 13 and the attachment stability of the second film 40 to the second opening surface 23.

[0060] In an example embodiment, the material of the first bottom support 10 and the second bottom support 20 is paper pulp molding. The first bottom support 10 and the second bottom support 20 are paper pulp molding bottom supports. The paper pulp molding bottom supports are made by semi-wet pressing. Specifically, the paper pulp molding can reduce the cost and weight of the packaging structure, and improve the transportation efficiency. The semi-wet pressing can improve the carrying capacity of the bottom support and ensure the safety of the packaging structure.

[0061] In an example embodiment, the material of the first film 30 and the material of the second film 40 include one of TPU, PE, and PVC. Specifically, the above-mentioned materials have good carrying capacity and stretching capacity, which can improve the wrapping stability.

[0062] In an example embodiment, the first film 30 and the second film 40 are provided with air holes. Specifically, the air holes can be generated by laser minimally invasive drilling, and the air holes can improve the preservation performance.

[0063] In an example embodiment, as shown in FIG. 7, the packaging box for the fragile product in the embodiment includes a box body 60 and the packaging structure as described in the above-mentioned embodiments arranged in the box body.

[0064] Specifically, the size of the box 60 corresponds to the size of the packaging structure, i.e., the size of the box 60 is in a multiple relationship with the size of the packaging structure, so that at least one packaging structure can be placed in the box 60 without leaving a remaining space so that the packaging structure slides in the box during transportation. The packaging box can load the packaging structure, improving the safety of transportation.

[0065] In one example, the box 60 can be a paper box, and the structure of the paper box can be double-pit. The box 60 can be a thermal insulation box for reducing temperature fluctuations in the box.

[0066] In an exemplary embodiment, the packaging structure of the fragile product is implemented as follows:

[0067] In view of the problems of the existing grape packaging: 1. The shape and size of grape clusters are different; 2. Most of the existing packaging is bag-in-bag, and the packed bag itself is light and thrown; 3. The existing material bag-in-bag packaging requires the use of inflation equipment, and the inflation strength and pressure are not easy to control; 4. The existing packaging requires the use of foam boxes, ice bags and other materials; based on the above problems, a packaging structure for fragile products is proposed. The specific packaging structure is as follows:

[0068] 1. Paper pulp molded support:

[0069] 1.1 Structure design: By collecting the shapes and weights of different grape clusters, the structure of the paper pulp molded support is designed according to the three-dimensional structure of the clusters. In addition, the structure design can be modeled by three-dimensional drawings. The middle of the paper pulp molded support is mostly hollow structure, and the paper pulp molded support can be used with the film; the side of the paper pulp molded support can be provided with a plurality of reinforcing ribs for providing support force.

[0070] 1.2 Material and process: According to the detection of grape respiration intensity and multiple tests, the paper pulp molding can adopt corrugated paper pulp and semi-wet pressing. Among them, the cost of corrugated paper pulp is low, the appearance precision of semi-wet pressing is close to wet pressing, the fiber damage is small, the density is large, and the product toughness and strength are high.

[0071] 2. Film:

[0072] 2.1 Material: Thermoplastic resin film, the material can select TPU, PE, PVC and other materials.

[0073] 2.2 Technical parameters: According to the detection of grape respiration intensity and the weight of single cluster grape, the film is tested for resilience and strength, and the tensile strength needs to be not less than 18 MPa in the longitudinal direction and 14 MPa in the transverse direction.

[0074] 2.3 The above film materials have low adhesion, and the film can be provided with air holes by using laser minimally invasive punching, and the air holes are used to adjust the preservation performance.

[0075] 3. Paper pulp molding and film combination:

[0076] The film is compounded on the pulp molding by hot melting, and the height from the lowest point of the film after bearing the pressure of the grapes to the bottom of the pulp molding can be 3-4 cm.

[0077] 4. The outer carton is configured with appropriate size according to actual needs, and the outer carton is double-pit, the side pressure is not less than 4.3 KN / m, and the burst resistance is not less than 800 KPa; when the ambient temperature is high and temperature control is required, an insulation carton can be used to reduce the temperature fluctuation in the carton.

[0078] The grape clusters of different shapes and sizes can be fully wrapped and fixed by the embodiment of the application, and the grape clusters are limited from shaking and touching in the packaging box, so that the damage of the grape clusters caused by mutual extrusion and collision of the grape clusters and grape grain falling in the logistics process can be solved. The packaging structure can not use ice bags and foam boxes, and can effectively reduce the packaging material cost. The packaging structure does not need to use bag-in-bag, effectively reduces the light throwing of materials, and does not need to carry inflation equipment, facilitating the packaging operation at the production site. The packaging structure has high packaging efficiency, the packaging materials involved in the packaging have small physical volume before use, low storage and transportation cost, and good portability.

[0079] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0080] The above-described embodiments only express several implementation manners of the application, the description is more specific and detailed, but it should not be understood as a limitation on the patent application scope. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A packaging structure for fragile articles, characterized by, The packaging structure comprises a first bottom support and a first film, wherein: the first bottom support comprises a first bottom body and a first opening surface, and the first film is fixedly arranged on the first opening surface, and a cavity is formed between the first film and the first bottom body; the first film has ductility, and the first film is ductile towards the bottom of the first bottom body under the pressure from the target fragile product, and the first film has a gap with the bottom and side surface of the first bottom body after being ductile.

2. The packaging structure of claim 1, wherein The packaging structure further comprises a second bottom support and a second film, wherein: the second bottom support comprises a second bottom body and a second opening surface, and the second film is arranged on the second opening surface; the second film has ductility, and the second film has a gap with the bottom and side surface of the second bottom body after being ductile; the first bottom support and the first film form a first structure, and the second bottom support and the second film form a second structure; and when the first structure and the second structure are combined, an elastic space for covering the target fragile product is formed between the first film and the second film.

3. The packaging structure of claim 2, wherein, The first bottom support and the second bottom support are each provided with a plurality of reinforcing structures, and the first film and the second film are not in contact with any of the reinforcing structures after being ductile.

4. The packaging structure of claim 2, wherein The first opening surface is provided with an opening, and the second opening surface is provided with a clamping piece. When the first structure and the second structure are combined, the clamping piece is clamped into the opening to fix the first structure and the second structure.

5. The packaging structure of claim 2, wherein The first film and the first opening surface are attached by hot melting, and the second film and the second opening surface are attached by hot melting.

6. The packaging structure of claim 2, wherein The first bottom support and the second bottom support are pulp molded bottom supports.

7. The packaging structure of claim 6, wherein The pulp molded bottom support is manufactured by semi-wet pressing.

8. The packaging structure of claim 2, wherein The material of the first film and the material of the second film comprise one of TPU, PE and PVC.

9. The packaging structure of claim 2, wherein The first film and the second film are provided with air holes.

10. A packaging box for fragile goods, characterized in that The packaging structure comprises a box body and the packaging structure as claimed in claim 1 arranged inside the box body.

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