Portable foldable carton

Abstract

The portable foldable carton comprises a carton body, a top plate and a bottom plate, the top plate and the bottom plate are arranged at the top and the bottom of the carton body respectively, and the carton body comprises a first side plate, a second side plate, a third side plate and a fourth side plate which are sequentially connected. The side edge of the top plate is connected with a first sealing face, a second sealing face and a third sealing face. The inner surfaces of the first sealing face, the second sealing face and the third sealing face are all provided with double-faced adhesive tape. The bottom plate is integrally arranged, and the lower part of the box body is designed to be foldable; a nylon pull ring is arranged on the top plate; a buffer interlayer is arranged on the inner side of the box body, and a sealable filling opening is formed in the buffer interlayer; a plurality of reinforcing silk threads connected with the inner surface and the outer surface of the buffering interlayer are arranged on the buffering interlayer. The carton is good in sealing performance, the bottom plate is integrally designed, the top plate and the bottom plate are easy to distinguish, the whole carton is easier to package, extra tools are not needed, the packaging time is shortened, and the carton has certain buffering performance.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging, and particularly relates to a portable foldable carton. Background Art

[0002] As a packaging material, cartons are convenient for the transportation and storage of products and are widely used in product packaging. Most of the existing cartons need to seal the upper and lower sides, and it is not easy to distinguish the upper and lower sides of the cartons, which invisibly increases the burden on the staff during packaging; moreover, when packaging some special items, there may be risks such as leakage caused by inversion. In addition, there are many gaps in the existing carton covers, and the sealing is not tight, which is not conducive to the preservation and transportation of products; there are also certain potential hazards in the firmness of the lower cover of the carton. Based on the above problems, it is necessary to provide a new portable foldable carton. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is: aiming at the deficiencies existing in the prior art, to provide a portable foldable carton, which has good sealing performance, the bottom plate is integrally designed, the top plate and the bottom plate are easy to distinguish, the whole carton is more simply packaged without additional tools, reduces the packing time, and has certain buffering performance.

[0004] To solve the above technical problem, the technical solution of the utility model is:

[0005] A portable foldable carton, comprising a box body, and a top plate and a bottom plate respectively arranged at the top and bottom of the box body, wherein the box body comprises side plates one, two, three and four connected in sequence;

[0006] One side edge of the top plate is connected to the box body, and the other side edges of the top plate are connected with a sealing surface one, a sealing surface two and a sealing surface three. The size of the top plate is adapted to the inner diameter of the box body; the lengths of the sealing surface one and the sealing surface two are not less than the length of the top plate, and the length of the sealing surface three is not less than the width of the top plate; double-sided tapes are arranged on the inner surfaces of the sealing surface one, the sealing surface two and the sealing surface three;

[0007] The bottom plate is integrally arranged, and the four side edges of the bottom plate are connected to the box body. The centers of the first side plate and the third side plate are respectively provided with a first fold line and a second fold line perpendicular to the bottom plate. The first side plate and the third side plate are respectively provided with a third fold line and a fourth fold line, a fifth fold line and a sixth fold line passing through the end points of the bottom plate. The other ends of the third fold line and the fourth fold line intersect on the first fold line, and the other ends of the fifth fold line and the sixth fold line intersect on the second fold line. The first side plate and the third side plate are also provided with a seventh fold line and an eighth fold line parallel to the bottom plate and respectively passing through the intersection points of the third fold line and the fourth fold line, and the fifth fold line and the sixth fold line. The second side plate is also provided with a ninth fold line, and the two ends of the ninth fold line respectively coincide with one end point of the seventh fold line and the eighth fold line. The top plate and the sealing surface three are provided with a tenth fold line, and one end of the tenth fold line coincides with the upper end point of the first fold line. The top plate is provided with a nylon pull ring at the tenth fold line, and the two ends of the nylon pull ring are connected to the top plate.

[0008] A buffer interlayer is arranged inside the box body, and a sealable filling port is arranged on the buffer interlayer. The buffer interlayer is provided with a plurality of reinforcing silk threads connecting the inner surface and the outer surface of the buffer interlayer.

[0009] Preferably, the first side plate, the second side plate, the third side plate, and the fourth side plate are respectively connected by a first crease, a second crease, a third crease, and a fourth crease.

[0010] Preferably, one side edge of the top plate is connected to one side edge of the first side plate through a fifth crease.

[0011] Preferably, the first sealing surface, the second sealing surface, and the third sealing surface are respectively connected to the top plate through a sixth crease, a seventh crease, and an eighth crease.

[0012] Preferably, the buffer interlayer is a polyethylene interlayer.

[0013] Preferably, an adhesive layer is arranged inside the sealable filling port.

[0014] Preferably, the adhesive layer includes an adhesive layer arranged on the inner surface of the sealable filling port and a release film layer arranged on the surface of the adhesive layer.

[0015] Due to the adoption of the above technical solution, the beneficial effects of the present utility model are:

[0016] The utility model provides a portable foldable carton, which comprises a box body, a top plate and a bottom plate respectively arranged at the top and bottom of the box body. The box body comprises a first side plate, a second side plate, a third side plate and a fourth side plate which are connected in sequence. One side edge of the top plate is fixedly connected with the box body, and the other side edges of the top plate are connected with a first sealing surface, a second sealing surface and a third sealing surface. The size of the top plate is adapted to the inner diameter of the box body. Double-sided adhesives are arranged on the inner surfaces of the first sealing surface, the second sealing surface and the third sealing surface. The four side edges of the bottom plate are connected with the box body. First fold lines and second fold lines perpendicular to the bottom plate are respectively arranged at the centers of the first side plate and the third side plate. Third fold lines, fourth fold lines, fifth fold lines and sixth fold lines passing through the end points of the bottom plate are respectively arranged on the first side plate and the third side plate. The other ends of the third fold line and the fourth fold line intersect on the first fold line, and the other ends of the fifth fold line and the sixth fold line intersect on the second fold line. Seventh fold lines and eighth fold lines parallel to the bottom plate and passing through the intersection points of the third fold line and the fourth fold line, and the intersection points of the fifth fold line and the sixth fold line are respectively arranged on the first side plate and the third side plate. A ninth fold line is further arranged on the second side plate, and the two ends of the ninth fold line respectively coincide with one end points of the seventh fold line and the eighth fold line. A tenth fold line is arranged on the top plate and the third sealing surface, and one end of the tenth fold line coincides with the upper end point of the first fold line. Based on the above settings, the folding of the whole carton can be realized; the combined setting of the first sealing surface, the second sealing surface, the third sealing surface and the double-sided adhesive can realize the sealing of the top of the carton.

[0017] A nylon pull ring is arranged at the tenth fold line of the top plate of the device, and the two ends of the nylon pull ring are connected with the top plate; the bottom plate is integrally arranged. The above settings not only facilitate the distinction between the top and bottom of the box, thus making it convenient to use and improving the sealing effect, but also can effectively prevent the leakage of special items caused by the inversion of the top and bottom of the box.

[0018] A buffer interlayer is arranged on the inner side of the box body of the device, and a sealable filling port is arranged on the buffer interlayer; a plurality of reinforcing silk threads connecting the inner surface and the outer surface of the buffer interlayer are arranged on the buffer interlayer; by filling air or foam into the buffer interlayer, the buffering performance of the box is ensured, and thus the packaged items can be better protected. Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings.

[0020] Figure 1 It is a schematic structural diagram of Embodiment 1 of the present utility model in a certain direction;

[0021] Figure 2It is a schematic structural diagram of Embodiment 1 of the present utility model in another direction;

[0022] Figure 3 It is a top view of the box body;

[0023] Figure 4 is Figure 3 an enlarged structural diagram of part A in

[0024] Figure 5 a structural diagram of the buffer interlayer;

[0025] In the figure, 1 is the box body; 101 is the first side plate; 102 is the second side plate; 103 is the third side plate; 104 is the fourth side plate; 2 is the top plate; 3 is the bottom plate; 4 is the first sealing surface; 5 is the second sealing surface; 6 is the third sealing surface; 7 is the first fold line; 8 is the second fold line; 9 is the third fold line; 10 is the fourth fold line; 11 is the fifth fold line; 12 is the sixth fold line; 13 is the ninth fold line; 14 is the tenth fold line; 15 is the nylon pull ring; 16 is the buffer interlayer; 17 is the sealable filling port; 18 is the reinforcing wire; 19 is the first crease; 20 is the second crease; 21 is the third crease; 22 is the fourth crease; 23 is the fifth crease; 24 is the sixth crease; 25 is the seventh crease; 26 is the eighth crease; 27 is the adhesive layer; 2701 is the glue layer; 2702 is the release film layer; 28 is the seventh fold line; 29 is the eighth fold line. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment 1

[0028] As Figures 1 to 5 shown, a portable foldable carton includes a box body 1 and a top plate 2 and a bottom plate 3 respectively arranged at the top and bottom of the box body 1, and is characterized in that: the box body 1 includes a first side plate 101, a second side plate 102, a third side plate 103, and a fourth side plate 104 connected in sequence;

[0029] One side edge of the top plate 2 is connected to the box body 1, and the other side edges of the top plate 2 are connected with a first sealing surface 4, a second sealing surface 5, and a third sealing surface 6. The size of the top plate 2 is adapted to the inner diameter of the box body 1; the lengths of the first sealing surface 4 and the second sealing surface 5 are not less than the length of the top plate 2, and the length of the third sealing surface 6 is not less than the width of the top plate 2; double-sided adhesives (not shown in the figure) are provided on the inner surfaces of the first sealing surface 4, the second sealing surface 5, and the third sealing surface 6;

[0030] The bottom plate 3 is integrally provided, and the four side edges of the bottom plate 3 are connected to the box body 1. The centers of the first side plate 101 and the third side plate 103 are respectively provided with a first folding line 7 and a second folding line 8 perpendicular to the bottom plate 3. The third folding line 9 and the fourth folding line 10, the fifth folding line 11 and the sixth folding line 12 passing through the end points of the bottom plate 3 are respectively provided on the first side plate 101 and the third side plate 103. The other ends of the third folding line 9 and the fourth folding line 10 intersect on the first folding line 7, and the other ends of the fifth folding line 11 and the sixth folding line 12 intersect on the second folding line 8; The first side plate 101 and the third side plate 103 are also provided with a seventh folding line 28 and an eighth folding line 29 parallel to the bottom plate 3 and passing through the intersection points of the third folding line 9 and the fourth folding line 10, and the intersection points of the fifth folding line 11 and the sixth folding line 12 respectively; A ninth folding line 13 is also provided on the second side plate, and the two ends of the ninth folding line 13 respectively coincide with one end point of the seventh folding line 28 and the eighth folding line 29; A tenth folding line 14 is provided on the top plate 2 and the sealing surface three 6, and one end of the tenth folding line 14 coincides with the upper end point of the first folding line 7; A nylon pull ring 15 is provided on the top plate 2 at the tenth folding line 14, and the two ends of the nylon pull ring 15 are connected to the top plate 2;

[0031] A buffer sandwich layer 16 is provided inside the box body 1, and a sealable filling port 17 is provided on the buffer sandwich layer 16; A plurality of reinforcing silk threads 18 connecting the inner surface and the outer surface of the buffer sandwich layer 16 are provided on the buffer sandwich layer 16. The arrangement of the reinforcing silk threads 18 can prevent the buffer sandwich layer 16 from being damaged due to excessive filling air pressure.

[0032] Further, in this embodiment, the first side plate 101, the second side plate 102, the third side plate 103, and the fourth side plate 104 are respectively connected by a first crease 19, a second crease 20, a third crease 21, and a fourth crease 22.

[0033] Further, in this embodiment, one side of the top plate 21 is connected to one side edge of the first side plate 101 by a fifth crease 23.

[0034] Further, the sealing surface one 4, the sealing surface two 5, and the sealing surface three 6 are respectively connected to the top plate 2 by a sixth crease 24, a seventh crease 25, and an eighth crease 26.

[0035] Further, in this embodiment, the buffer sandwich layer 16 is a polyethylene sandwich layer. Further, a 5 - silk - thick polyethylene sandwich layer can better fit the corners of the packaged items, thereby playing a better buffering role.

[0036] Furthermore, in this embodiment, an adhesive layer 27 is provided on the inner side of the sealable filling port 17; the adhesive layer 27 includes a glue layer 2701 provided on the inner surface of the sealable filling port 17 and a release film layer 2702 provided on the surface of the glue layer 2701. During packaging, after air is filled into the buffer interlayer 16 through the sealable filling port 17 or buffer foam is filled, the release film is torn off, and the sealable filling port 17 is adhered by the glue layer 2701 to achieve sealing.

[0037] Based on the above settings, the packaging carton can be folded along the first fold line 7, the second fold line 8, the third fold line 9, the fourth fold line 10, the fifth fold line 11, the sixth fold line 12, the seventh fold line 28, the eighth fold line 29, the ninth fold line 13, and the tenth fold line 14. When using the packaging carton, the box body 1 and the bottom cover are opened along the first fold line 7, the second fold line 8, the third fold line 9, the fourth fold line 10, the fifth fold line 11, the sixth fold line 12, the seventh fold line 28, the eighth fold line 29, and the ninth fold line 13, and the top plate 2 is opened along the tenth fold line 14 and the nylon pull ring 15 is pulled up, and air is filled into the inner cavity of the buffer interlayer 16 through the sealable filling port 17, and then the release film layer 2702 is torn off, and the sealable filling port 17 is sealed by the adhesive layer 2701, and then the items are placed in the box body 1, the top plate 2 is bent along the fifth fold 23, and the sealing surface 1 4, the sealing surface 2 5, and the sealing surface 3 6 are folded inward along the sixth fold 24, the seventh fold 25, and the eighth fold 26 respectively, and the film layer on the double-sided adhesive is torn off, so that the sealing surface 1 4, the sealing surface 2 5, and the sealing surface 3 6 are bonded to the box body 1 to achieve sealed packaging of the items.

[0038] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0039] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable foldable carton, comprising a box body and a top plate and a bottom plate respectively arranged on the top and bottom of the box body, characterized in that: The box body comprises a side panel 1, a side panel 2, a side panel 3 and a side panel 4 which are connected in sequence; One side of the top plate is connected to the box body, and the other sides of the top plate are connected with sealing surface 1, sealing surface 2, and sealing surface 3. The size of the top plate is adapted to the inner diameter of the box body; the lengths of the sealing surface 1 and sealing surface 2 are not less than the length of the top plate, and the length of the sealing surface 3 is not less than the width of the top plate; the inner surfaces of the sealing surface 1, sealing surface 2, and sealing surface 3 are all provided with double-sided adhesive tape; The bottom plate is integrally arranged, the four sides of the bottom plate are connected to the box body, the centers of the side panels 1 and 3 are respectively provided with a first fold line and a second fold line perpendicular to the bottom plate, the side panels 1 and 3 are respectively provided with a third fold line and a fourth fold line, a fifth fold line and a sixth fold line passing through the end point of the bottom plate, the other ends of the third fold line and the fourth fold line intersect on the first fold line, and the other ends of the fifth fold line and the sixth fold line intersect on the second fold line; the side panels 1 and 3 are also provided with a seventh fold line and an eighth fold line which are parallel to the bottom plate and pass through the intersection of the third fold line and the fourth fold line, and the intersection of the fifth fold line and the sixth fold line respectively; the side panel 2 is also provided with a ninth fold line, the two ends of the ninth fold line coincide with one end point of the seventh fold line and the eighth fold line respectively; the top plate and the sealing surface 3 are provided with a tenth fold line, one end of the tenth fold line coincides with the upper end point of the first fold line; the top plate is provided with a nylon pull ring at the tenth fold line, and the two ends of the nylon pull ring are connected to the top plate; A buffer interlayer is provided inside the box body, and a sealable filling port is provided on the buffer interlayer; and a plurality of reinforcing threads connected to the inner surface and the outer surface of the buffer interlayer are provided on the buffer interlayer.

2. A portable foldable carton according to claim 1, characterized in that: The side panel 1, the side panel 2, the side panel 3 and the side panel 4 are connected by a first fold, a second fold, a third fold and a fourth fold respectively.

3. A portable foldable carton according to claim 1, characterized in that: One side edge of the top plate is connected to one side edge of the first side plate through a fifth fold.

4. A portable foldable carton according to claim 1, characterized in that: The sealing surface 1, the sealing surface 2 and the sealing surface 3 are connected to the top plate through the sixth fold, the seventh fold and the eighth fold respectively.

5. The portable foldable carton according to claim 1, characterized in that: The buffer interlayer is a polyethylene interlayer.

6. A portable foldable carton according to claim 1, characterized in that: An adhesive layer is provided on the inner side of the sealable filling port.

7. A portable foldable carton according to claim 6, characterized in that: The adhesive layer comprises a glue layer arranged on the inner surface of the sealable filling port and a release film layer arranged on the surface of the glue layer.

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