CN214987373U

CN214987373U - High-strength corrugated carton

Info

Publication number: CN214987373U
Application number: CN202120467215.XU
Authority: CN
Inventors: 吴连炳
Original assignee: Suzhou Xinghua Printing Technology Co ltd
Current assignee: Suzhou Xinghua Printing Technology Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-12-03
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses a high strength corrugated box relates to corrugated box technical field, including first cardboard, second cardboard, case lid board and bottom of the case board, first cardboard is provided with two sets ofly, the second cardboard is provided with two sets ofly, the handle hole has been seted up to the lateral wall of second cardboard, first cardboard and second cardboard include facial tissue, first wave form flute, core paper, second wave form flute and lining paper, one side of facial tissue and lining paper all is provided with the waterproof layer. Through confirming the ratio of second cardboard and first cardboard horizontal length to and set up first wave form flute and second wave form flute into C type stupefied, improved corrugated box's intensity to a certain extent, and the price economy, convenient to use. Through setting up waterproof layer and cystosepiment, can promote corrugated box's waterproof performance to a certain extent, and the cystosepiment can protect the fruit in the corrugated box, reduces the damage of fruit.

Description

High-strength corrugated carton

Technical Field

The utility model relates to a corrugated box technical field specifically is a high strength corrugated box.

Background

The corrugated paper board is made into a corrugated paper box through die cutting, indentation, box nailing or box gluing. The corrugated case is a packaging product with the widest application, and the use amount is always the first of various packaging products. It not only protects the goods, is convenient for storage and transportation, but also beautifies the goods and publicizes the goods. The corrugated case belongs to green environmental protection product, and it does benefit to the environmental protection, does benefit to the loading and unloading transportation.

When generally using the corrugated paper to store transportation fruit, often adopt three-layer corrugated box, this kind of corrugated box intensity is generally not good, takes place the damage easily when storing the transportation, leads to inside fruit to damage, and corrugated box waterproof performance is general, and corrugated box is damaged by water easily, influences the use, therefore we need propose a high strength corrugated box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength corrugated box sets up to 1 ~ 1.8 through the scope with the ratio of the horizontal length of second cardboard and first cardboard, is positive and negative five percent to compressive strength's influence, sets up first waveform flute and second waveform flute into the C type stupefied, and the low price, compressive strength is moderate, has promoted corrugated box's intensity to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength corrugated carton comprises a first paper board, a second paper board, a box cover board and a box bottom board, wherein two groups of the first paper board are arranged, two groups of the second paper boards are arranged, the two groups of the first paper boards are connected with the two groups of the second paper boards end to end, the box cover plates are provided with four groups, the four groups of box cover plates are respectively arranged at the upper ends of the first paper plate and the second paper plate, four groups of box bottom plates are arranged on the box bottom plates, the four groups of box bottom plates are respectively arranged at the lower ends of the first paper plate and the second paper plate, the side wall of the second paper board is provided with a handle hole, the first paper board and the second paper board comprise surface paper, a first corrugated layer, core paper, a second corrugated layer and lining paper, the first corrugated flute is arranged between the surface paper and the core paper, the second corrugated flute is arranged between the core paper and the lining paper, and one side of the surface paper and one side of the lining paper are both provided with a waterproof layer.

Preferably, the vertical length of the second paperboard is equal to that of the first paperboard, and the ratio of the horizontal length of the second paperboard to that of the first paperboard ranges from 1 to 1.8.

Preferably, the first corrugated flute and the second corrugated flute are C-shaped flutes, and the flute heights of the first corrugated flute and the second corrugated flute are set to be 3.5mm to 4.0 mm.

Preferably, the waterproof layer is a paper waterproof agent layer, and the thickness of the waterproof layer is 1 mm-2 mm.

Preferably, a foam board is arranged on one side of the waterproof layer of the inner paper, and the thickness of the foam board is 2-4 mm.

Preferably, a protection snap ring is fixedly mounted on the side wall of the handle hole, and the protection snap ring is a rubber protection snap ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a confirm the second cardboard and the ratio of first cardboard horizontal length to and set up first wave form flute and second wave form flute into the C type stupefied, improved corrugated box's intensity to a certain extent, and the price economy, convenient to use.

2. The utility model discloses a set up waterproof layer and cystosepiment, can promote corrugated box's waterproof performance to a certain extent, and the cystosepiment can protect the fruit in the corrugated box, reduces the damage of fruit.

Drawings

FIG. 1 is a cross-sectional view of a first paperboard of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic expanded view of the structure of the present invention;

fig. 4 is a schematic view of the protection snap ring of the present invention.

In the figure: 1. a first paperboard; 2. a box cover plate; 3. a box bottom plate; 4. a handle hole; 5. a protective snap ring; 6. surface paper; 7. a first corrugated wave; 8. core paper; 9. a second wave-shaped corrugation; 10. lining paper; 11. a waterproof layer; 12. a foam board; 13. a second paperboard.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-strength corrugated carton comprises a first paper board 1, a second paper board 13, a box cover plate 2 and a box bottom plate 3, wherein the first paper board 1 is provided with two groups, the second paper board 13 is provided with two groups, the two groups of first paper boards 1 are connected with the two groups of second paper boards 13 end to end, the vertical lengths of the second paper boards 13 and the first paper boards 1 are equal, and the range of the horizontal length ratio of the second paper boards 13 to the first paper boards 1 is 1-1.8;

the first paper board 1 and the second paper board 13 are connected end to form a corrugated case which is empty up and down, the ratio of the horizontal length of the second paper board 13 to the horizontal length of the first paper board 1 ranges from 1 to 1.8, the ratio is 1:1.5, the compressive strength of the corrugated case is in a certain relation with the circumference of the case, the height of the case and the length-width ratio of the case, the longer the circumference of the case is, the higher the compressive strength is, the circumference of the case and the compressive strength have a certain conversion relation, generally, the length-width ratio of the case ranges from 1 to 1.8, the influence of the length-width ratio on the compressive strength is only +/-5%, when the length-width ratio RL is 1.2 to 1.5, the compressive value of the case is the highest, and therefore, the length-width ratio is selected to be 1: 1.5;

four groups of box cover plates 2 are arranged, the four groups of box cover plates 2 are respectively arranged at the upper ends of the first paper plate 1 and the second paper plate 13, four groups of box bottom plates 3 are arranged, and the four groups of box bottom plates 3 are respectively arranged at the lower ends of the first paper plate 1 and the second paper plate 13;

the box cover plate 2 is integrally formed at the upper ends of the first paper plate 1 and the second paper plate 13 and is used for closing the upper end of the corrugated carton, and the box bottom plate 3 is integrally formed at the lower ends of the first paper plate 1 and the second paper plate 13 and is used for closing the lower end of the corrugated carton, so that a complete corrugated carton is formed;

a handle hole 4 is formed in the side wall of the second paper board 13, a protection clamping ring 5 is fixedly mounted on the side wall of the handle hole 4, and the protection clamping ring 5 is a rubber protection clamping ring;

the handle hole 4 is convenient to arrange and carry, the protective snap ring 5 is used for preventing the handle hole 4 from being damaged when being stressed, the larger the hole formed in the handle hole 4 is, the larger the compressive strength loss is, the closer the hole is to the top and the bottom, and the farther the hole is from the center to the left and the right, the lower the compressive strength is, the smaller the compressive strength loss of the opened symmetrical hole is compared with that of the opened asymmetrical hole, and the protective snap ring 5 can not only reduce the influence of the opened hole on the compressive strength, but also prevent the handle part from being damaged when being stressed;

the first paper board 1 and the second paper board 13 comprise surface paper 6, first corrugated paper 7, core paper 8, second corrugated paper 9 and lining paper 10, the first corrugated paper 7 is arranged between the surface paper 6 and the core paper 8, the second corrugated paper 9 is arranged between the core paper 8 and the lining paper 10, one sides of the surface paper 6 and the lining paper 10 are both provided with a waterproof layer 11, the first corrugated paper 7 and the second corrugated paper 9 are arranged into C-shaped ridges, and the ridge heights of the first corrugated paper 7 and the second corrugated paper 9 are set to be 3.5-4.0 mm;

the first paper board 1 and the second paper board 13 are five-layer corrugated paper boards, the strength of the corrugated paper box is improved to a certain extent, the C-shaped corrugation has better plane pressure strength, better vertical pressure strength, better parallel pressure strength and better buffering property, the strength is between the A-shaped corrugation and the B-shaped corrugation, the price is more economic and the use is convenient, the higher the corrugation height of the first corrugated paper board 7 and the second corrugated paper board 9 is, the higher the strength is, and therefore the corrugation height of 4.0mm is selected;

the waterproof layer 11 is a paper waterproof agent layer, the thickness of the waterproof layer 11 is 1 mm-2 mm, the foam board 12 is arranged on one side of the waterproof layer 11 of the inner paper 10, and the thickness of the foam board 12 is 2 mm-4 mm;

the paper water-proofing agent is a water-resisting and water-repelling agent containing wax component, its superstrong dispersion property can be uniformly permeated into the fibre pores of paper product, and has resistance to the permeation of other objects, and can form a layer of water-proofing layer (water-resisting), and the treated paper product can obviously improve its water-resisting property, and is harmless to human body, and is convenient for use, and the foamed plate 12 is used in corrugated paper box interior, and when the fruit is stored and transported, the vibration that the fruit received is reduced, and the damage of fruit is reduced.

The working principle is as follows: the ratio of the horizontal length of the second paper board 13 to the horizontal length of the first paper board 1 is determined to be 1:1.5, the optimal compression resistance value is obtained, the strength of the corrugated case is guaranteed, the handle hole 4 is convenient to carry, the protective clamping ring 5 is used for preventing the handle hole 4 from being damaged when being stressed and further guaranteeing the strength of the corrugated case when in use, the first paper board 1 and the second paper board 13 are five layers of corrugated boards, the strength of the corrugated case is improved to a certain extent, the C-shaped ribs have better plane pressure strength, better vertical pressure strength, better parallel pressure strength and better buffering performance, the strength is between the A-shaped ribs and the B-shaped ribs, the price is more economic, and the production and the use are convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength corrugated carton, includes first cardboard (1), second cardboard (13), case lid board (2) and bottom of the case board (3), its characterized in that: the carton is characterized in that the first paper boards (1) are arranged in two groups, the second paper boards (13) are arranged in two groups, the first paper boards (1) and the second paper boards (13) are connected end to end, the carton cover boards (2) are arranged in four groups, the four groups of carton cover boards (2) are respectively arranged at the upper ends of the first paper boards (1) and the second paper boards (13), the carton base boards (3) are arranged in four groups, the carton base boards (3) are respectively arranged at the lower ends of the first paper boards (1) and the second paper boards (13), the side wall of the second paper board (13) is provided with handle holes (4), the first paper boards (1) and the second paper boards (13) comprise surface paper (6), first corrugated paper (7), core paper (8), second corrugated paper (9) and lining paper (10), the first corrugated paper (7) is arranged between the surface paper (6) and the core paper (8), the second corrugated flutes (9) are arranged between the core paper (8) and the lining paper (10), and waterproof layers (11) are arranged on one sides of the surface paper (6) and the lining paper (10).

2. A high strength corrugated box as claimed in claim 1, wherein: the vertical length of the second paperboard (13) is equal to that of the first paperboard (1), and the range of the ratio of the horizontal length of the second paperboard (13) to that of the first paperboard (1) is 1-1.8.

3. A high strength corrugated box as claimed in claim 2, wherein: the corrugated structure is characterized in that the first corrugated corrugations (7) and the second corrugated corrugations (9) are arranged to be C-shaped corrugations, and the heights of the first corrugated corrugations (7) and the second corrugated corrugations (9) are set to be 3.5-4.0 mm.

4. A high strength corrugated box as claimed in claim 3, wherein: the waterproof layer (11) is a paper waterproof agent layer, and the thickness of the waterproof layer (11) is 1-2 mm.

5. The high strength corrugated box as claimed in claim 4, wherein: and a foam board (12) is arranged on one side of the waterproof layer (11) of the inner paper (10), and the thickness of the foam board (12) is 2-4 mm.

6. A high strength corrugated box as claimed in claim 1, wherein: the side wall of the handle hole (4) is fixedly provided with a protection snap ring (5), and the protection snap ring (5) is a rubber protection snap ring.