A packaging box

Abstract

The present invention discloses a packaging box, and relates to the field of packaging support technology. The packaging box comprises a box body and a box cover, and the box body comprises a bottom plate and a plurality of cavities arranged around the bottom plate to form a box body structure with an upper end opening. One of two adjacent cavities is provided with an extension ear plate, and the extension ear plate can be inserted into the other of the two adjacent cavities. When the packaging box is opened, the adjacent cavities are spread out by the linkage of the extension ear plate, exposing the products placed in the packaging box body, so that they can be easily taken out, simplifying the unpacking steps. The box cover is connected to any cavity, and the box cover can be buckled downward to cover the top of the box body to ensure the safety of the products in the packaging box body. In addition, the box body and the box cover are respectively folded and formed by corrugated cardboard. The packaging box uses paper packaging and consumes less materials, is green and environmentally friendly, and significantly reduces the R&D cost and manufacturing cost.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging support, in particular to a packaging box. Background Art

[0002] At present, most of the packaging industry in China uses green and environmentally friendly materials such as paper cards and paper plastics to make packaging, and takes green packaging and comprehensive utilization of packaging waste as the main development direction for the future comprehensive development of the packaging industry, in order to realize a new Chinese packaging industry with high technological content, good economic benefits, low resource consumption, less environmental pollution, and full use of human resources. At present, most of the display packaging on the market is made of full paper cards, but the existing paper card molding packaging structure often embeds the inner package into the packaging box body. In order to ensure that the inner package does not shake and be damaged during the external transportation process, the inner package and the packaging box body are often set tightly together, making it difficult to take out.

[0003] Therefore, how to improve the existing packaging box to overcome the above problems is an urgent problem to be solved by those skilled in the art. Summary of the invention

[0004] The object of the present invention is to provide a packaging box which is easy to unpack, convenient for taking out the products therein, and provides a good packaging experience.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] A packaging box, comprising:

[0007] A box body, the box body comprising a bottom plate and a plurality of cavities arranged around the bottom plate, one of two adjacent cavities being provided with an extension ear plate, the extension ear plate being capable of being inserted into the other of the two adjacent cavities;

[0008] A box cover, the box cover is connected to any of the cavities, and the box cover can be buckled downward to cover the top of the box body;

[0009] The box body and the box cover are respectively formed by folding corrugated paperboard.

[0010] Optionally, the bottom plate is rectangular, the cavity includes a front cavity, a rear cavity, a left cavity and a right cavity, the box cover is connected to the rear cavity, the left cavity and the right cavity are both provided with the extension ear plates on the side close to the rear cavity and inserted into the rear cavity, and the extension ear plates are both provided on both sides of the front cavity and are respectively inserted into the left cavity and the right cavity.

[0011] Optionally, the rear cavity includes a first rear cavity and a second rear cavity that are spaced apart from each other, and an accessory box is embedded between the first rear cavity and the second rear cavity.

[0012] Optionally, the accessory box includes:

[0013] An inner box, the upper side of which is open and the accessories are placed inside;

[0014] An annular sleeve is arranged on the outside of the inner box, and the inner box can be pushed out through openings on both sides of the annular sleeve.

[0015] Optionally, the front chamber comprises a first front cavity and a second front cavity which are spaced apart from each other, a handle is embedded between the first front cavity and the second front cavity, and the handle passes through the box cover.

[0016] Optionally, the box cover comprises:

[0017] A cover plate, the cover plate is connected to any of the cavities, and the cover plate can cover the top of the box body;

[0018] The snap-fitting plates are arranged on both sides of the ends where the cover plate is connected to the cavity, the snap-fitting plates can be bent toward the sides of the box body, and snap-fitting ear plates are arranged on both sides of the snap-fitting plates, and the snap-fitting ear plates can be inserted into the gaps between adjacent cavities to snap the box cover onto the box body.

[0019] Optionally, an upper cavity and a lower cavity are respectively provided on the inner side of the cover plate and the bottom plate, and the upper cavity and the lower cavity are positioned correspondingly so that the upper cavity and the lower cavity can clamp the product when the cover plate is buckled.

[0020] Optionally, a sealing plate is connected to one end of the cover plate that is not connected to the cavity and the buckle plate, and the sealing plate can be bent toward the side of the cavity, and the sealing plate can be bonded to the side of the cavity to achieve locking of the packaging box;

[0021] The sealing plate is provided with a tear line, and the tear line can be torn along the extension direction of the cavity to achieve unlocking of the packaging box.

[0022] Optionally, a buffer component is provided in each of the cavities.

[0023] Optionally, the buffer component is configured as a semicircular paper tube profile.

[0024] The beneficial effects of the present invention are:

[0025] The present invention provides a packaging box, which includes a box body and a box cover. The box body includes a bottom plate and a plurality of cavities arranged around the bottom plate to form a box body structure with an upper end opening. One of two adjacent cavities is provided with an extension ear plate, which can be inserted into the other of the two adjacent cavities. When the packaging box is opened, the adjacent cavity is spread out by the linkage of the extension ear plate to expose the product placed in the packaging box body, so that it can be easily taken out, simplifying the unpacking steps. The box cover is connected to any cavity, and the box cover can be buckled down to cover the top of the box body to ensure the safety of the product in the packaging box body. In addition, the box body and the box cover are respectively folded and formed by corrugated cardboard. The packaging box uses paper packaging and consumes less materials, is green and environmentally friendly, and significantly reduces R&D costs and manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the structure of a packaging box in an embodiment of the present invention;

[0027] Figure 2 is a schematic structural diagram of a packaging box in an embodiment of the present invention when the box cover is opened;

[0028] Figure 3 is a schematic diagram of the structure of the packaging box in a fully opened state according to an embodiment of the present invention;

[0029] Figure 4 is a schematic diagram of the structure of the packaging box in an open state in an embodiment of the present invention;

[0030] Figure 5 is an exploded view of an accessory box in an embodiment of the present invention;

[0031] Figure 6 is an exploded view of a packaging box in a fully opened state according to an embodiment of the present invention;

[0032] Figure 7 is a schematic diagram of a first structure of a first buffer component in an embodiment of the present invention;

[0033] Figure 8 is a schematic diagram of a second structure of the first buffer component in an embodiment of the present invention;

[0034] Fig. 9 is a schematic structural diagram of a second buffer component in an embodiment of the present invention;

[0035] Fig.10 This is a paper mold making diagram of a box body in an embodiment of the present invention;

[0036] Fig.11 This is a paper mold production diagram of the inner box in an embodiment of the present invention;

[0037] Fig.12 It is a paper model making diagram of the annular sleeve in the embodiment of the present invention;

[0038] Fig.13 This is a paper mold production diagram of the first buffer box body in an embodiment of the present invention;

[0039] Fig.14 This is a paper mold production diagram of the second buffer box body in an embodiment of the present invention;

[0040] Fig.15 This is a paper mold production diagram of the fourth buffer box body in the embodiment of the present invention;

[0041] Fig.16 It is a paper model making diagram of the upper cavity in an embodiment of the present invention;

[0042] Fig.17 It is a paper mold making diagram of a box cover in an embodiment of the present invention.

[0043] In the figure:

[0044] 1. Box body; 2. Box cover;

[0045] 11. Bottom plate; 12. Cavity; 13. Extended ear plate; 14. Accessory box; 15. Handle; 16. Buffer component; 17. Side plate; 18. Folding plate; 21. Cover plate; 22. Snap-fit ​​plate; 23. Snap-fit ​​ear plate; 24. Sealing plate;

[0046] 121, rear cavity; 122, left cavity; 123, right cavity; 124, front cavity; 125, upper cavity; 126, lower cavity; 141, inner box; 142, annular sleeve; 161, first buffer component; 162, second buffer component; 181, extension plate; 182, abutment plate; 211, connecting plate; 241, tear line;

[0047] 1211, first rear cavity; 1212, second rear cavity; 1241, first front cavity; 1242, second front cavity; 1611, first buffer box body; 1612, second buffer box body; 1613, third buffer box body; 1614, fourth buffer box body. DETAILED DESCRIPTION

[0048] In order to make the technical problem solved by the present invention, the technical solution adopted and the technical effect achieved more clearly, the technical solution of the present invention is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0049] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0051] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0052] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0053] The embodiment of the present invention provides a packaging box, such as Figure 1-2 As shown, the box body 1 and the box cover 2 are formed by buckling the box cover 2 onto the box body 1. The inner contents are placed in the box body 1. The inner contents are embedded in the box body and transported through the box. However, in order to ensure that the inner contents are not shaken and damaged during transportation, the inner contents are often tightly matched with the box body, making it difficult to take out.

[0054] To solve the above problems, Figure 1-5As shown, the box body 1 of the packaging box proposed in this embodiment includes a bottom plate 11 and a plurality of cavities 12 arranged around the bottom plate 11 to form a box structure with an upper end opening. One of the two adjacent cavities 12 is provided with an extension ear plate 13, and the extension ear plate 13 can be inserted into the other of the two adjacent cavities 12 to connect the two adjacent cavities 12. When the packaging box is opened, the adjacent cavities 12 are driven by the extension ear plate 13 to spread out, exposing the products placed in the packaging box body, avoiding the situation that the inner contents are difficult to be taken out when the inner contents and the packaging box body are closely matched. The packaging box can be easily taken out without moving the inner contents, simplifying the unpacking steps. The box cover 2 is connected to any cavity 12, and the box cover 2 can be buckled downward to cover the top of the box body 1 to ensure the safety of the products in the packaging box body 1. In addition, the box body 1 and the box cover 2 are folded and formed by corrugated cardboard respectively, and the packaging box uses paper packaging and consumes less materials, which is green and environmentally friendly, and significantly reduces the manufacturing cost.

[0055] Optionally, both ends of the cavity 12 are provided with extension ear plates 13, and any two adjacent cavities 12 are the first cavity and the second cavity, and the first cavity and the second cavity are provided with the first extension ear plate and the second extension ear plate respectively, wherein the first extension ear plate on the first cavity can be inserted into the second cavity, and the second extension ear plate on the second cavity can abut against the side of the first cavity. By overlapping and abutting the cavities 12 with two extension ear plates 13, not only the stability of the box body 1 can be improved, but also the extension ear plate 13 at any end can be selected to be inserted into the adjacent cavity 12 during installation, which can be selected according to actual needs, and has stronger versatility.

[0056] To improve the versatility of the packaging box, Figure 2-4 As shown, the specific shape of the packaging box can be selected according to the shape of the contents, that is, it is sufficient to ensure that the contents can be embedded in the cavity 12 arranged around the bottom plate 11 without leaving any gaps. Specifically, in this embodiment, the bottom plate 11 is set to be rectangular, which has a simple structure and is a common shape of packaging boxes. Therefore, the cavity 12 arranged around the bottom plate 11 includes a front cavity 124, a rear cavity 121, a left cavity 122 and a right cavity 123. The contents are arranged on the rectangular bottom plate 11 surrounded by the above cavities, and the cavities 12 arranged around ensure that the contents do not shake in the packaging box.

[0057] Preferably, the box cover 2 is connected to the rear cavity 121, and the rear cavity 121 is connected to the long side of the rectangular bottom plate 11, so as to facilitate the stable connection of the box body 1. Furthermore, the left cavity 122 and the right cavity 123 are both provided with extension ear plates 13 on one side close to the rear cavity 121 and inserted into the rear cavity 121, and the front cavity 124 is provided with extension ear plates 13 on both sides and inserted into the left cavity 122 and the right cavity 123 respectively. When the box cover 2 is opened, the rear cavity 121 can be opened by flattening the box cover 2. Since the extended ear plates 13 of the left cavity 122 and the right cavity 123 are inserted into the rear cavity 121, when the rear cavity 121 is opened, the extended ear plates 13 of the left cavity 122 and the right cavity 123 can be pushed out from the rear cavity 121 and the left cavity 122 and the right cavity 123 can be opened in a linked manner; and since the extended ear plates 13 on both sides of the front cavity 124 are inserted into the left cavity 122 and the right cavity 123, when the left cavity 122 and the right cavity 123 are opened, the extended ear plates 13 on both sides of the front cavity 124 can be pushed out and the front cavity 124 can be opened in a linked manner. By pulling out the two extended ear plates 13 at the same time, on the one hand, the left cavity 122 and the right cavity 123 can be opened at the same time, thereby improving the opening efficiency of the packaging box; on the other hand, the front cavity 124 can be opened from both sides through the left cavity 122 and the right cavity 123, thereby improving the reliability of the linked opening.

[0058] In this embodiment, Figure 3-5 As shown, the rear cavity 121 includes a first rear cavity 1211 and a second rear cavity 1212 that are separated from each other, and an accessory box 14 is embedded between the first rear cavity 1211 and the second rear cavity 1212. Since when the inner contents are set as electronic products, the inner contents often need to be equipped with accessories such as electronic connecting wires, so providing a separate accessory box 14 in the packaging box can facilitate users to sort and take them, which is neat and beautiful, and more practical. At the same time, the accessory box 14 can be taken out of the packaging box, and the user can directly keep the inner contents and the accessory box 14 to reduce the occupied area. In addition, since the accessory box 14 is embedded between the separated first rear cavity 1211 and the second rear cavity 1212, the position of the accessory box 14 is fixed to prevent the accessory box 14 from shaking during transportation. At the same time, the first rear cavity 1211 and the second rear cavity 1212 can also play a buffering role for the accessory box 14, thereby improving the safety of the installation box.

[0059] Preferably, if Figure 5As shown, the accessory box 14 includes an inner box 141 and an annular sleeve 142. The inner box 141 is opened on the upper side and the accessories are placed inside. The annular sleeve 142 is sleeved on the outer side of the inner box 141, and the inner box 141 can be pushed out through the openings on both sides of the annular sleeve 142. The accessory box 14 is set as a push-pull box type, so that the user can easily and labor-savingly take out the accessories placed in the inner box 141. In addition, since the annular sleeve 142 has openings on both sides, the inner box 141 can be pushed out from both sides, which is more convenient. At the same time, the annular sleeve 142 covers the opening position of the inner box 141, which can also ensure a certain degree of safety. Optionally, the annular sleeve 142 may also be configured to be open on one side, and a through hole for accommodating a finger to pass through may be configured on the corresponding side of the opening. The inner box 141 is configured to be inside the annular sleeve 142 through the opening of the annular sleeve 142, and the user can push the inner box 141 out of the annular sleeve 142 through the through hole. By configuring the annular sleeve 142 to be open on one side, the phenomenon of the user using too much force to push the inner box 141 out of the other side of the annular sleeve 142 when the annular sleeve 142 is open on both sides is avoided.

[0060] In this embodiment, Figure 1-4 As shown, the box cover 2 includes a cover plate 21 and a buckle plate 22, the cover plate 21 is connected to any cavity 12, the cover plate 21 can cover the top of the box body 1, the buckle plates 22 are arranged on both sides of the ends where the cover plate 21 is connected to the cavity 12, the buckle plates 22 can be bent toward the side of the cavity 12, and buckle ear plates 23 are arranged on both sides of the buckle plate 22, and the buckle ear plates 23 can be inserted into the gap between adjacent cavities 12 to buckle the box cover 2 on the box body 1. Since the buckle plate 22 is arranged in a manner of being inserted by the buckle ear plates 23, the opening and closing of the packaging box can be realized repeatedly, so that the packaging box can be reused and the utilization rate is improved.

[0061] Specifically, a sealing plate 24 is connected to one end of the cover plate 21 that is not connected to the cavity 12 and the buckle plate 22, and the sealing plate 24 can be bent toward the side of the cavity 12, and the sealing plate 24 can be bonded to the side of the cavity 12 to achieve the locking of the packaging box. By fixing the sealing plate 24, it can be ensured that the box cover 2 is fixed to the box body 1, and even if the buckle ear plates 23 on both sides of the buckle plate 22 are pulled out from the gap in the cavity 12, the box cover 1 cannot be opened, thereby achieving the anti-theft of the packaging box and improving the protection and safety of the packaging box. In order to open the packaging box, a tear line 241 is provided on the sealing plate 24, and the tear line 241 can be torn along the extension direction of the cavity 12 to achieve the unlocking of the packaging box. The tear line 241 can be set along the extension direction of the cavity 12, and by bonding the portion below the tear line 241 of the sealing plate 24, after tearing along the tear line 241, the box cover 2 can be opened by pulling out the buckle ear plates 23. Preferably, the tear line 241 is set close to the cover plate 21 to prevent the connection between the sealing plate 24 and the cover plate 21 from being too large when the package is torn along the tear line 241, thereby affecting the aesthetics of the package. Optionally, the bonding method can be set to apply glue or stick double-sided tape on the inner side of the sealing plate 24 and / or the outer side of the corresponding cavity 12. The fixing method can be set according to actual conditions and is not specifically limited here.

[0062] In this embodiment, Figure 3 As shown, an upper cavity 125 and a lower cavity 126 are respectively provided on the inner side of the cover plate 21 and the bottom plate 11, and the upper cavity 125 and the lower cavity 126 are located in a corresponding position so that the upper cavity 125 and the lower cavity 126 can clamp the product when the cover plate 21 is buckled. The upper and lower surfaces of the product are supported by the upper cavity 125 and the lower cavity 126, and the surfaces around the product are supported by the left cavity 122, the right cavity 123, the front cavity 124 and the rear cavity 121 arranged around them, so as to fix the product in the packaging box and prevent the product from moving up and down in the packaging box and being damaged during transportation. Preferably, the shape and size of the upper cavity 125 are the same as those of the lower cavity 126, and both the upper cavity 125 and the lower cavity 126 are slightly smaller than the bottom plate 11, so that the upper cavity 125 and the lower cavity 126 can be just embedded in the space surrounded by the left cavity 122, the right cavity 123, the front cavity 124 and the rear cavity 121, so that when the cover plate 21 is buckled, the above cavities 12 can completely fit the surfaces of the product, further improving the safety of the packaging box.

[0063] Specifically, Figure 6As shown, the cavity 12 is provided with a buffer component 16, that is, the upper cavity 125, the lower cavity 126, the left cavity 122, the right cavity 123, the front cavity 124 and the rear cavity 121 are all provided with a buffer component 16, so that when the product is placed in the packaging box, it can be wrapped in the cavity 12 provided with the buffer component 16, providing protection for the product from all angles, from top to bottom, left to right, front and back, and reducing the buffering force during transportation. Among them, the buffer component 16 can be set as an inflatable bubble roll, which is commonly used in express transportation, with low cost and easy to obtain. Preferably, the buffer component 16 can also be set as a paper tube semicircular profile, using the buffering performance of the cavity 12 itself, combined with the excellent buffering resilience of the paper tube semicircular profile to form a buffer layer. In addition, the paper tube material and the packaging box are both set as paper materials, which are green and environmentally friendly and easy to recycle.

[0064] Specifically, Figure 6-9 As shown, the buffer component 16 includes a first buffer component 161 and a second buffer component 162, which can be selected according to the size of the cavity 12. When the cavity 12 is a cubic structure, that is, in the left cavity 122, the right cavity 123, the front cavity 124 and the rear cavity 121, the buffer component 16 can be set as a paper box equipped with a plurality of connected paper tube semicircular profiles, that is, the first buffer component 161, the radius of the semicircular profile is the same as the height of the cavity 12, and the cavity 12 is filled with multiple semicircular profiles connected. In this form, since the semicircular profile is also covered with a paper box, the safety is guaranteed, and the shape is relatively simple and convenient. In manufacturing; when the cavity 12 is a flat structure, that is, the upper cavity 125 and the lower cavity 126, the buffer component 16 can be set as two layers of paper tube semicircular profiles symmetrically arranged up and down, that is, the second buffer component 162, and a paper plate with the same length and width as the cavity 12 is arranged between the two layers of paper tube semicircular profiles, and the radius of the semicircular profile is the same as half of the height of the cavity 12. Compared with the form of only setting one layer of semicircular profiles, this form has better stability and is suitable for large-area paper tube arrangement. By setting two forms of paper tube semicircular profiles, it is easy to choose according to the size structure of the inner cavity 12, which has better versatility and ensures the best buffering effect.

[0065] Preferably, the cavity 12 can be configured as an openable box body. On the one hand, it is easier to place the buffer component 16 in the cavity 12 during manufacturing, avoiding the inconvenience caused by integrally manufacturing the cavity 12 with the buffer component 16. On the other hand, other items can be placed in the cavity 12 according to actual conditions. For example, when there are many product accessories or the user wants to reuse the packaging box, the buffer component 16 can be taken out of the cavity 12 and other items can be placed in it to improve the efficient use of the packaging box.

[0066] Therefore, combined with Figure 1-6 The following describes the method of using the packaging box in this embodiment:

[0067] In the first step, the tear line 241 is torn along the extension direction of the cavity 12 to unlock the packaging box, and the buckling ears 23 arranged on both sides of the buckling plate 22 are pulled out from the gap between the adjacent cavities 12, and the cover plate 21 is opened relative to the box body 1 to expose the product arranged in the box body 1;

[0068] In the second step, the rear cavity 121 is opened together with the box cover 2 to a flat position, and the rear cavity 121 pushes the extension ear plates 13 of the left cavity 122 and the right cavity 123 to be pulled out from the rear cavity 121 and the left cavity 122 and the right cavity 123 are opened in a linked manner. Then, when the left cavity 122 and the right cavity 123 are opened, the extension ear plates 13 on both sides of the front cavity 124 are pulled out and the front cavity 124 is opened in a linked manner, so that the box body 1 is opened so that the product exposed in the box body 1 can be easily taken out;

[0069] The third step is to take out the accessory box 14 embedded between the first rear cavity 1211 and the second rear cavity 1212, and then push out the inner box 141 from the annular sleeve 142 of the accessory box 14, so as to take out the accessories from the inner box 141, thereby taking out all the products in the packaging box.

[0070] To realize the folding forming of the above packaging box, as Figure 6 and Fig.10 As shown, the box body 1 includes a bottom plate 11, side plates 17 connected to the bottom plate 11, and a plurality of folding plates 18 connected to the side plates 17. The side plates 17 are configured as corrugated paperboards extending from the bottom plate 11 to the surroundings. The folding plates 18 arranged around the bottom plate 11 can be folded toward the bottom plate 11 and form a cavity 12 around the bottom plate 11 with the side plates 17. The folding plates 18 each include an extension plate 181 extending in a direction away from the bottom plate 11, and an extension ear plate 13 and an abutment plate 182 respectively located on both sides of the extension plate 181. Specifically, the folding sequence of the box body 1 is as follows: first, the extension plate 181 is bent upward, forward, downward, and forward in sequence to form a cavity 12 with openings on both sides; then, the abutment plate 182 is bent toward the inside of the cavity 12 and abuts against one side opening of the cavity 12 to form a cavity 12 with a single side opening; then, the extension plate 181 is connected to the side plate 17 and bent downward to form a cavity 12 with the side plate 17 as the outer side; finally, the extension ear plate 13 provided on one side of the folding plate 18 is inserted into the adjacent cavity 12, and a plurality of adjacent cavities 12 are connected to the bottom plate 11 to form the box body 1.

[0071] In order to connect the adjacent cavities 12 more tightly, the size of the folded plate 18 at the end of the cavity 12 to be inserted into the extended ear plate 13 is set to be smaller than the size of the side plate 17 along the extension direction of the cavity 12, and the size difference between the side plate 17 and the folded plate 18 along the extension direction of the cavity 12 is not less than the width of the cavity 12. Since the side plate 17 serves as the outer side of the cavity 12, the length of the outer side edge of the formed cavity 12 is greater than the inner side edge, and then when the extended ear plate 13 is inserted into the cavity 12, the end of the inserted cavity 12 can be embedded in the inserted cavity 12 and abut against the inner side of the side plate 17, and a complete box body structure is formed by the inner side of the side plate 17 abutting against the single-side opening of the cavity 12, and multiple cavities 12 are embedded and abutted against each other to form a more compact box body 1 structure. In this embodiment, since it is necessary to insert the extension ear plates 13 of the left cavity 122 and the right cavity 123 into both sides of the rear cavity 121, the dimensions of the extension plates 181 of the rear cavity 121 on both sides along the extension direction of the cavity 12 are set to be smaller than the dimensions of the side plates 17, so that when the left cavity 122 and the right cavity 123 are connected to the rear cavity 121, the left cavity 122 and the right cavity 123 can be embedded in both sides of the rear cavity 122 and abut against the inner sides of the side plates 17 of the rear cavity 12, thereby realizing the connection between adjacent cavities 12. Similarly, since it is necessary to set the dimensions of the extension plates 181 on the side where the left cavity 122 and the right cavity 123 are connected to the front cavity 124 along the extension direction of the cavity 12 to be smaller than the dimensions of the side plates 17, so that the front cavity 124 can be embedded in the left cavity 122 and the right cavity 123 and abut against the inner sides of the side plates 17 of the corresponding cavities 12, thereby connecting to form a box body 1 with a stable and tight connection around the periphery.

[0072] In this embodiment, Figure 10-12As shown, the accessory box 14 is formed by fitting an inner box 141 and an annular sleeve 142, which are made of corrugated cardboard. To place the accessory box 14, two symmetrically arranged folding plates 18 are connected to the side plate 17 on one side of the rear cavity 121. A gap is provided between the two folding plates 18 so that the accessory box 14 can be placed in the gap between the first rear cavity 1211 and the second rear cavity 1212 after being bent. Similarly, preferably, to facilitate users to take the installation box, two symmetrically arranged folding plates 18 are also connected to the side plate 17 on one side of the front cavity 124. A gap is provided between the two folding plates 18 so that the handle 15 can be placed in the gap between the first front cavity 1241 and the second front cavity 1242 after being bent. However, the difference is that since the accessory box 14 needs to be set on the surface of the box body 1, and the handle 15 needs to be set on the inside of the box body 1, so that the handle 15 can be passed through the inside of the front cavity 124 to lift the box body 1, the extension plate 181 that can be folded to form the first front cavity 1241 and the second front cavity 1242 is set at a position away from the bottom plate 11, so that when the folding plate 18 is bent, the first front cavity 1241 and the second front cavity 1242 can be bent and set inside the front cavity 124, and the handle 15 is embedded between the first front cavity 1241 and the second front cavity 1242, and the side panel 17 is provided with a through hole for passing the handle 15, and the handle 15 can be passed through the side panel 17 and the packaging box can be easily taken through the handle 15.

[0073] Preferably, the handle 15 is disposed in the middle of the front cavity 124 to ensure that the package box does not fall when the user lifts it by the handle 15. The handle 15 can be a plastic handle, which is fixed to the package box by the protrusions on both sides of the plastic handle. When the package box does not need to be lifted, the plastic handle can be placed back in the front cavity 124, thereby ensuring the aesthetics of the package box.

[0074] It is worth noting that the box body 1 can be configured to have multiple layers, for example, a multi-layer bottom plate 11 can be configured or the folding plate 18 can be folded into multiple layers to form a more stable box body 1 structure. In addition, the size and dimensions of the box body 1 can be adjusted according to the size of the product to meet the packaging of products of various sizes. The specific paper mold model is not limited to the drawings of this embodiment and can be modified and adjusted according to the implementation situation, and is not specifically limited here.

[0075] In this embodiment, Figure 13-16As shown, the size of the buffer component 16 is set according to the size of the corresponding cavity 12, and different buffer components 16 are arranged in different cavities 12, that is, all of them must satisfy the requirement of completely filling the cavity 12 with the buffer component 16. Since the first buffer component 161 is formed by a paper box sleeved on the outside of the semicircular profile of the paper tube, the first buffer component 161 includes a first buffer box body 1611, a second buffer box body 1612, a third buffer box body 1613 and a fourth buffer box body 1614 which are respectively arranged in the rear cavity 121, the left cavity 122, the right cavity 123 and the front cavity 124. Each of the above buffer boxes can be made by bending a corrugated paper structure, wherein the paper mold structure of the third buffer box body 1613 and the second buffer box body 1612 is the same, as shown in FIG. Fig.14 The second buffer component 162 is directly formed by connecting a paper tube semicircular profile with the same size as the cavity 12, and the upper cavity 125 and the lower cavity 126 where the second buffer component 162 is installed are made of a bent corrugated paper structure, and the paper molds of the upper cavity 125 and the lower cavity 126 are the same, as shown in FIG. Fig.16 Therefore, by bending and filling the corresponding first buffer component 161 and placing it in the cavity 12 arranged around it, and filling the second buffer component 162 in the upper cavity 125 and the lower cavity 126 formed by bending, and placing them together in the packaging box, a packaging box structure with a buffer function can be formed.

[0076] In this embodiment, Figure 6 and Fig.17 As shown, the box cover 2 includes a cover plate 21 connected to any cavity 12 of the box body 1, a buckle plate 22 and a sealing plate 24, wherein the cover plate 21 may include a connecting plate 211 capable of connecting to any cavity 12, and the connecting plate 211 is connected to the side of any cavity 12, so that the cover plate 2 is connected to the box body 1. Specifically, the connection method of the connecting plate 211 and the cavity 12 can be set to be bonding, and the connecting plate 211 is fixed to the cavity 12 by silk screen glue or adhesive, and the cover plate 21 is prevented from falling off the box cover 2 when too much force is applied. Preferably, the size of the connecting plate 211 is set to just cover the side of the cavity 12, so as to improve the regularity of the packaging box.

[0077] Therefore, if Figure 1-17 As shown, the folding and assembly method of the packaging box paper mold is:

[0078] In the first step, each component is folded and formed separately. The folding and forming method of the buffer component 16 is as follows:

[0079] The first buffer box body 1611, the second buffer box body 1612, the third buffer box body 1613 and the fourth buffer box body 1614 are respectively bent along the folding line, and the paper tube semicircular profile is filled therein to form the first buffer component 161. At the same time, the paper molds of the upper cavity 125 and the lower cavity 126 are bent along the folding line and the paper tube semicircular profile is filled therein to form the second buffer component 162, and the buffer component 16 is formed. The forming method of the box body 1 frame is:

[0080] The extension plate 181 is bent upward, forward, downward, and forward in sequence to form a cavity 12 with openings at both ends, and then the abutting plate 182 on the cavity 12 is bent toward the inside of the cavity 12 and abuts against the opening of the cavity 12 to form a cavity 12 with an opening at one side;

[0081] The second step is to put the first buffer component 161 into the corresponding cavity 12 from the open end, and at the same time place the lower cavity 126 on the bottom plate 11, and then place the product on the lower cavity 126, so as to realize the assembly of the buffer component 16 in the box body 1. Then, the extension plate 181 is connected to the side plate 17 and bent downward, so as to form a cavity 12 with the side plate 17 as the outer side, and the extension ear plate 13 set on one side of the cavity 12 is inserted into the adjacent cavity 12, and multiple adjacent cavities 12 are connected to the bottom plate 11 to form the box body 1, so as to realize the product being wrapped in the box body 1;

[0082] The third step is to bend the inner box 141 and the annular sleeve 142 along the folding line, place the accessories in the inner box 141 and then push them into the opening of the annular sleeve 142 to package the accessory box 14, and embed the accessory box 14 between the first rear cavity 1211 and the first rear cavity 1212 to assemble the box body 1;

[0083] The fourth step is to connect the connecting plate 211 with the rear cavity 121 by screen printing glue on the connecting plate 211, and fix the upper cavity 125 to the inner surface of the box cover 1 at the corresponding position of the lower cavity 126, and then fold the cover plate 21 toward the surface of the box body 1 so that the cover plate 21 is completely buckled on the surface of the box body 1, and then bend the buckling plates 22 on both sides of the box cover 2 and insert the buckling ear plates 23 on both sides into the gaps between the adjacent cavities 12 on the box body 1 to achieve the buckling of the packaging box;

[0084] The fifth step is to glue the portion below the tear line 241 on the sealing plate 24 to bond the sealing plate 24 to the side of the cavity 12 to lock the packaging box, thereby completing the folding assembly of the entire packaging box.

[0085] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A packaging box, characterized in that: include: A box body (1), the box body (1) comprising a bottom plate (11) and a plurality of cavities (12) arranged around the bottom plate (11), one of two adjacent cavities (12) being provided with an extension ear plate (13), the extension ear plate (13) being capable of being inserted into the other of the two adjacent cavities (12); A box cover (2), the box cover (2) being connected to any of the cavities (12), and the box cover (2) being capable of buckling downwards to cover the top of the box body (1); The box body (1) and the box cover (2) are respectively formed by folding corrugated cardboard. The box body (1) comprises a bottom plate (11), side plates (17) connected to the bottom plate (11) on all sides, and a plurality of folding plates (18) connected to the side plates (17). The side plates (17) are configured as corrugated cardboard extending from the bottom plate (11) to all sides. The folding plates (18) arranged on all sides can be folded toward the bottom plate (11) and form the cavity (12) surrounding the bottom plate (11) with the side plates (17). The bottom plate (11) is rectangular, the cavity (12) comprises a front cavity (124), a rear cavity (121), a left cavity (122), and a right cavity (123), the box cover (2) is connected to the rear cavity (121), the left cavity (122) and the right cavity (123) are both provided with the extension ear plates (13) on one side close to the rear cavity (121) and inserted into the rear cavity (121), and the front cavity (124) is both provided with the extension ear plates (13) on both sides and respectively inserted into the left cavity (122) and the right cavity (123); When the box cover (2) is opened, the rear cavity (121) can be opened by flattening the box cover (2); when the rear cavity (121) is opened, the extension ear plates (13) of the left cavity (122) and the right cavity (123) can be pushed out of the rear cavity (121) and the left cavity (122) and the right cavity (123) can be opened in a linked manner; when the left cavity (122) and the right cavity (123) are opened, the extension ear plates (13) on both sides of the front cavity (124) can be pushed out and the front cavity (124) can be opened in a linked manner.

2. The packaging box according to claim 1, characterized in that: The rear cavity (121) comprises a first rear cavity (1211) and a second rear cavity (1212) that are spaced apart from each other, and an accessory box (14) is embedded between the first rear cavity (1211) and the second rear cavity (1212).

3. The packaging box according to claim 2, characterized in that: The accessory box (14) includes: An inner box (141), wherein the upper side of the inner box (141) is open and the accessories are placed inside; An annular sleeve (142) is sleeved on the outside of the inner box (141), and the inner box (141) can be pushed out through openings on both sides of the annular sleeve (142).

4. The packaging box according to claim 1, characterized in that: The front cavity (124) comprises a first front cavity (1241) and a second front cavity (1242) that are spaced apart from each other, a handle (15) is embedded between the first front cavity (1241) and the second front cavity (1242), and the handle (15) passes through the box cover (2).

5. The packaging box according to any one of claims 1 to 4, characterized in that: The box cover (2) comprises: a cover plate (21), the cover plate (21) being connected to any one of the cavities (12), and the cover plate (21) being capable of covering the top of the box body (1); A snap-fit ​​plate (22) is provided on both sides of the end where the cover plate (21) is connected to the cavity (12); the snap-fit ​​plate (22) can be bent toward the side of the box body (1); snap-fit ​​ear plates (23) are provided on both sides of the snap-fit ​​plate (22); the snap-fit ​​ear plates (23) can be inserted into the gap between adjacent cavities (12) to snap the box cover (2) onto the box body (1).

6. The packaging box according to claim 5, characterized in that: An upper cavity (125) and a lower cavity (126) are respectively provided on the inner side of the cover plate (21) and the bottom plate (11); the upper cavity (125) and the lower cavity (126) are positioned correspondingly so that the upper cavity (125) and the lower cavity (126) can clamp the product when the cover plate (21) is buckled.

7. The packaging box according to claim 5, characterized in that: One end of the cover plate (21) not connected to the cavity (12) and the buckle plate (22) is connected to a sealing plate (24), and the sealing plate (24) can be bent toward the side of the cavity (12). The sealing plate (24) can be bonded to the side of the cavity (12) to achieve locking of the packaging box; The sealing plate (24) is provided with a tear line (241), and the tear line (241) can be torn along the extension direction of the cavity (12) to achieve unlocking of the packaging box.

8. The packaging box according to any one of claims 1 to 4, characterized in that: A buffer component (16) is provided in each of the cavities (12).

9. The packaging box according to claim 8, characterized in that: The buffer component (16) is configured as a paper tube semicircular profile.

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