CN110949824A

CN110949824A - Reinforced packaging carton

Info

Publication number: CN110949824A
Application number: CN201911318349.9A
Authority: CN
Inventors: 仰卫祥
Original assignee: Huzhou Xiangheng Packaging Co Ltd
Current assignee: Huzhou Xiangheng Packaging Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-04-03

Abstract

The invention discloses a reinforced packaging carton which comprises a carton body (1), wherein side covers are arranged on two sides of the carton body (1), the carton body (1) comprises an upper plate (2), a bottom plate (3) and side plates on two sides, the carton body (1) comprises a surface layer paperboard (7), a reinforced interlayer (10), an inner layer paperboard (11) and a buffer layer (12) from outside to inside, an included angle reinforced part (8) is arranged at an included angle part on the inner side of the surface layer paperboard (7), the included angle reinforced part (8) is connected with the inner layer paperboard (11), the reinforced interlayer (10) is arranged between the inner layer paperboard (11) and the surface layer paperboard (7), and the buffer layer (12) is arranged on the inner side of the inner layer paperboard (11). The surface joint of the carton body has better mechanical strength, and is not easy to be exposed and cracked in the loading and unloading process or the transportation process.

Description

Reinforced packaging carton

Technical Field

The invention relates to the technical field of packaging cartons, in particular to a reinforced packaging carton.

Background

The packaging carton is made of paper products and is used for packaging various articles. The paper box is divided into a single pit (3 layers)/double pits (5 layers)/three pits (7 layers)/four pits (9 layers), and the paper box is divided into a paper box, a color box, a beer box and the like. The carton has the advantages of low cost, easy packaging, cleanness, suitability for adding fillers and the like, and is suitable for product ex-factory packaging, article transportation, material arrangement and the like. The mechanical strength of the surface joint of the carton body (namely four ridges of the carton body) of the common carton is a short plate of the whole carton, and when the carton is used for product packaging, the surface joint of the carton is easy to be exposed and cracked in the transportation collision or loading and unloading processes. Therefore, the mechanical strength of the surface connecting part of the carton body of the common carton is poor, and the common carton is easy to be exposed and cracked in the loading and unloading process or the transportation process.

Disclosure of Invention

The invention aims to provide a reinforced packaging carton. The surface joint of the carton body has better mechanical strength, and is not easy to be exposed and cracked in the loading and unloading process or the transportation process.

The technical scheme of the invention is as follows: the utility model provides a reinforce packing carton, includes the carton box, and the both sides of carton box are equipped with the side cap, and the carton box includes the curb plate of upper plate, bottom plate and both sides, and the carton box is by outer to interior top layer cardboard, reinforcement intermediate layer, inlayer cardboard and buffer layer of including, and the inboard contained angle department of top layer cardboard is equipped with contained angle reinforcing portion, and contained angle reinforcing portion is connected with the inlayer cardboard, is equipped with the reinforcement intermediate layer between inlayer cardboard and the top layer cardboard, and the inboard of inlayer cardboard is equipped with the buffer layer.

In the aforementioned reinforced packing carton, the included angle reinforcing part is an isosceles right triangular prism.

In the aforementioned reinforced packing carton, the hypotenuse of contained angle reinforcing portion is equipped with inlayer cardboard constant head tank, and the inlayer cardboard passes through inlayer cardboard constant head tank and is connected with contained angle reinforcing portion.

In the reinforced packing carton, the inner layer paperboard positioning groove is formed in the center of the bevel edge of the included angle reinforcing part.

In the aforementioned reinforced packing carton, the material of contained angle reinforcing portion is rigid plastic, the material of reinforcing intermediate layer is rigid plastic.

In the aforementioned reinforced packing carton, the side covers include symmetrically disposed long side cover portions and symmetrically disposed short side cover portions, a sum of widths of the long side cover portions is equal to a length of the short side cover portions, and a sum of widths of the short side cover portions is smaller than the length of the long side cover portions.

In the reinforced packing carton, the buffer layer is a buffer layer with a honeycomb structure.

In the reinforced packing carton described above, the thickness of the top paperboard 7 is greater than that of the inner paperboard 11.

In the reinforced packing carton, the thickness ratio of the surface layer paperboard to the reinforced interlayer to the inner layer paperboard is 2-4:1: 1-3.

In the reinforced packing carton, the included angle reinforcing part is respectively bonded with the surface layer paperboard and the inner layer paperboard, the reinforced interlayer is respectively bonded with the surface layer paperboard and the inner layer paperboard, and the buffer layer is bonded with the inner layer paperboard.

Compared with the prior art, the carton body comprises a surface layer paperboard, a reinforcing interlayer, an inner layer paperboard and a buffer layer from outside to inside, an included angle reinforcing part is arranged at the included angle part of the inner side of the surface layer paperboard and connected with the inner layer paperboard, the reinforcing interlayer is arranged between the inner layer paperboard and the surface layer paperboard, and the buffer layer is arranged on the inner side of the inner layer paperboard. The included angle reinforcing part can increase the strength of the joint of the paper box surfaces, disperse the pressure of an object in the packaging paper box on the paper box to two adjacent surfaces of the box body of the paper box, protect the surface layer paper board and the inner layer paper board at the joint of the paper box surfaces and prevent the joint of the paper box surfaces from cracking due to exposure; the reinforcing interlayer can increase the strength of the carton, and the joint of the reinforcing interlayer and the included angle reinforcing part is an inclined plane, so that the mechanical strength of the carton body of the carton can be increased; the buffer layer can relieve the pressure of objects in the packaging carton on the carton. The surface joint of the carton body has better mechanical strength, and is not easy to be exposed and cracked in the loading and unloading process or the transportation process.

Drawings

FIG. 1 is a cross-sectional view of a carton body;

fig. 2 is a schematic structural diagram of the present invention.

The labels in the figures are: 1-carton body, 2-upper plate, 3-bottom plate, 4-side plate, 5-long side cover part, 6-short side cover part, 7-surface layer paper board, 8-included angle reinforcing part, 9-inner layer paper board positioning groove, 10-reinforcing interlayer, 11-inner layer paper board and 12-buffer layer.

Detailed Description

The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.

Examples are given. A reinforced packaging carton is shown in figures 1 and 2 and comprises a carton body 1, side covers are arranged on two sides of the carton body 1, the carton body 1 comprises an upper plate 2, a bottom plate 3 and side plates on two sides, the carton body 1 comprises a surface layer paperboard 7, a reinforced interlayer 10, an inner layer paperboard 11 and a buffer layer 12 from outside to inside, an included angle reinforced part 8 is arranged at an included angle part in the surface layer paperboard 7, the included angle reinforced part 8 is connected with the inner layer paperboard 11, the reinforced interlayer 10 is arranged between the inner layer paperboard 11 and the surface layer paperboard 7, and the buffer layer 12 is arranged on the inner side of the inner layer paperboard 11.

The included angle reinforcing part 8 is an isosceles right triangular prism.

The bevel edge of the included angle reinforcing part 8 is provided with an inner layer paperboard positioning groove 9, and an inner layer paperboard 11 is connected with the included angle reinforcing part 8 through the inner layer paperboard positioning groove 9.

The inner layer paper board positioning groove 9 is arranged in the center of the bevel edge of the included angle reinforcing part 8.

The material of contained angle reinforcing portion 8 is rigid plastic, the material of consolidating the intermediate layer is 10 rigid plastic.

The side cover comprises symmetrically arranged long side cover parts 5 and symmetrically arranged short side cover parts 6, the sum of the widths of the long side cover parts 5 is equal to the length of the short side cover parts 6, and the sum of the widths of the short side cover parts 6 is smaller than the length of the long side cover parts 5.

The buffer layer 12 is a buffer layer of a honeycomb structure.

The thickness of the surface layer paperboard 7 is larger than that of the inner layer paperboard 11.

The thickness ratio of the surface layer paperboard 7 to the reinforced interlayer 10 to the inner layer paperboard 11 is 4:1: 2.

The principle of the invention is as follows: when the invention is used, the upper plate 2 faces upwards, the bottom plate 3 faces downwards, and the side covers are positioned at two sides. The carton body 1 comprises a surface layer paperboard 7, a reinforcing interlayer 10, an inner layer paperboard 11 and a buffer layer 12 from outside to inside, wherein an included angle reinforcing part 8 is arranged at the included angle part on the inner side of the surface layer paperboard 7, the included angle reinforcing part 8 is connected with the inner layer paperboard 11, the reinforcing interlayer 10 is arranged between the inner layer paperboard 11 and the surface layer paperboard 7, and the buffer layer 12 is arranged on the inner side of the inner layer paperboard 11. The included angle reinforcing part 8 can increase the strength of the joint of the paper box surfaces, disperse the pressure of an object in the packaging paper box on the paper box to two adjacent surfaces of the box body of the paper box, protect the surface layer paper board 7 and the inner layer paper board 11 at the joint of the paper box surfaces and prevent the joint of the paper box surfaces from being exposed and cracked; the reinforcing interlayer 10 can increase the strength of the carton, and the joint of the reinforcing interlayer 10 and the included angle reinforcing part 8 is an inclined plane, so that the mechanical strength of the carton body of the carton can be increased; the cushioning layer 12 can relieve the pressure on the carton caused by the objects in the packaging carton.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A reinforced packaging carton is characterized in that: including carton box (1), the both sides of carton box (1) are equipped with the side cap, carton box (1) includes upper plate (2), the curb plate of bottom plate (3) and both sides, carton box (1) is by outer to interior top layer cardboard (7), consolidate intermediate layer (10), interior cardboard (11) and buffer layer (12), top layer cardboard (7) inboard contained angle department is equipped with contained angle reinforcing portion (8), contained angle reinforcing portion (8) are connected with interior cardboard (11), be equipped with between interior cardboard (11) and top layer cardboard (7) and consolidate intermediate layer (10), the inboard of interior cardboard (11) is equipped with buffer layer (12).

2. The reinforced packaging carton of claim 1, wherein: the included angle reinforcing part (8) is an isosceles right triangular prism.

3. The reinforced packaging carton of claim 2, wherein: the bevel edge of the included angle reinforcing part (8) is provided with an inner layer paperboard positioning groove (9), and the inner layer paperboard (11) is connected with the included angle reinforcing part (8) through the inner layer paperboard positioning groove (9).

4. The reinforced packaging carton of claim 3, wherein: the inner layer paperboard positioning groove (9) is formed in the center of the bevel edge of the included angle reinforcing part (8).

5. The reinforced packaging carton of claim 1, wherein: the material of contained angle reinforcing portion (8) is rigid plastic, the material of consolidating the intermediate layer is (10) and is rigid plastic.

6. The reinforced packaging carton of claim 1, wherein: the side cover comprises symmetrically arranged long side cover parts (5) and symmetrically arranged short side cover parts (6), the sum of the widths of the long side cover parts (5) is equal to the length of the short side cover parts (6), and the sum of the widths of the short side cover parts (6) is smaller than the length of the long side cover parts (5).

7. The reinforced packaging carton of claim 1, wherein: the buffer layer (12) is a buffer layer of a honeycomb structure.

8. The reinforced packaging carton of claim 1, wherein: the thickness of the surface layer paperboard (7) is larger than that of the inner layer paperboard (11).

9. The reinforced packaging carton of claim 8, wherein: the thickness ratio of the surface layer paperboard (7), the reinforcing interlayer (10) and the inner layer paperboard (11) is 2-4:1: 1-3.