CN210759656U

CN210759656U - Corrugated paper board

Info

Publication number: CN210759656U
Application number: CN201921505725.0U
Authority: CN
Inventors: 卢翅生
Original assignee: Dongguan Tongchang Paper Co ltd
Current assignee: Dongguan Tongchang Paper Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-16
Anticipated expiration: 2029-09-10

Abstract

The utility model belongs to the technical field of packaging material's technique and specifically relates to a corrugated container board is related to. The corrugated board comprises a board main body, an air bag layer and a protective shell; the paperboard main body comprises a first surface paper layer, a second surface paper layer, a first corrugated core layer, a second corrugated core layer and a lining paper layer; the first surface paper layer, the first corrugated core layer, the inner paper layer, the second corrugated core layer and the second surface paper layer are sequentially connected; the air bag layer is arranged on the second face paper layer, and an accommodating cavity for accommodating air is arranged in the air bag layer; the air bag layer is used for increasing the floating capacity of the corrugated board after being inflated; the air bag layer is provided with an inflation inlet and a spiral cover for closing the inflation inlet; the protective shell covers the air bag layer, a through hole is formed in the protective shell, and the inflation inlet is exposed outside the protective shell through the through hole. The utility model discloses following beneficial effect has: after the air bag layer is inflated, if the corrugated board falls into water, the floating capacity is enhanced, and the protective shell can prevent the air bag layer from being damaged by tiny objects.

Description

Corrugated paper board

Technical Field

The utility model relates to a packaging material's technical field, more specifically says, it relates to a corrugated container board.

Background

Corrugated board generally divide into single corrugated board and two corrugated board two kinds, divide into according to the size of flute: A. b, C, E, F five types. The corrugated paper has the advantages of light weight, high strength, convenient storage and transportation and the like, and is widely applied in the field of packaging.

The five-layer corrugated board is formed by bonding a layer of surface paper, a layer of lining paper, a layer of core paper and two layers of corrugated paper processed into corrugated flutes.

But above-mentioned corrugated paper is when making box body transportation article, corrugated container board's waterproof nature is not good, and if in the transportation, corrugated container box falls into the aquatic carelessly moreover, because corrugated container board's buoyancy is not enough, corrugated container board can sink along with the goods together, leads to the goods impaired.

Disclosure of Invention

The utility model aims at providing a corrugated container board mainly lies in solving among the prior art not good and the not enough problem of buoyancy of corrugated container board waterproof nature.

The above object of the present invention is achieved by the following technical solutions: a corrugated board comprises a board main body, an air bag layer and a protective shell; the paperboard main body comprises a first surface paper layer, a second surface paper layer, a first corrugated core layer, a second corrugated core layer and a lining paper layer; the first surface paper layer, the first corrugated core layer, the inner paper layer, the second corrugated core layer and the second surface paper layer are sequentially connected; the air bag layer is arranged on the second face paper layer, and an accommodating cavity for accommodating air is arranged in the air bag layer; the air bag layer is used for increasing the floating capacity of the corrugated board after being inflated; the air bag layer is provided with an inflation inlet and a spiral cover for closing the inflation inlet; the protective shell covers the air bag layer, a through hole is formed in the protective shell, and the inflation inlet is exposed outside the protective shell through the through hole.

Through adopting above-mentioned technical scheme, the cardboard main part is connected gradually by first face paper layer, first flute core layer, interior paper layer, second flute core layer and second face paper layer, forms five-layer corrugated container board, and first flute core layer and second flute core layer can provide the buffer capacity, prevent when corrugated container board forms the box-packed object of corrugated container board, and inside object damages when the collision. The air bag layer sets up on the second facial tissue, and the air bag layer can be aerifyd the air bag layer through the inflation inlet, can be closed with the spiral cover after aerifing, prevents that gas from overflowing from the air bag layer, and protective housing can prevent that the air bag layer from being damaged by tiny object. The floating capacity of the whole corrugated board can be enhanced by arranging the air bag layer.

The utility model discloses further set up to: the air bag layer comprises two layers of plastic films, namely a first plastic film and a second plastic film; the peripheries of the first plastic film and the second plastic film are connected, so that an accommodating cavity for accommodating gas is formed between the first plastic film and the second plastic film; the air bag layer is connected with the second face paper layer through a first plastic film; the inflation inlet is arranged on the second plastic film so as to communicate the accommodating cavity with the outside.

By adopting the technical scheme, the two layers of plastic films form the air bag layer, and an inflatable cavity is arranged between the two layers of plastic films. The inflation inlet is arranged on the second plastic film and used for inflating the inflation inlet. In addition, the plastic film has good tightness, can prevent water and is light, so the plastic film is a suitable material for the air bag.

The utility model discloses further set up to: the first plastic film is provided with a first positioning hole, and the second plastic film is provided with a second positioning hole; the first positioning hole corresponds to the second positioning hole, and the side walls of the first positioning hole and the second positioning hole are connected so as to ensure the tightness of the air bag layer; the protective shell also comprises a positioning column; the positioning column is used for sequentially passing through the second positioning hole and the first positioning hole.

By adopting the technical scheme, the positioning column sequentially passes through the second positioning hole and the first positioning hole so as to prevent the air bag from shifting in the protective shell and causing the gravity center of the corrugated board to shift. In addition, the side walls of the first positioning hole and the second positioning hole are connected so as to ensure the tightness of the air bag layer and prevent the air leakage of the air bag layer.

The utility model discloses further set up to: the inflation inlet is provided with an annular bulge and is connected with the spiral cover through the annular bulge;

through adopting above-mentioned technical scheme, the inflation inlet passes through annular bulge and is connected with the spiral cover, makes the leakproofness of inflation inlet and spiral cover better, prevents the spiral cover slippage.

The utility model discloses further set up to: the annular bulge is in threaded connection with the screw cap.

Through adopting above-mentioned technical scheme, annular protrusion and spiral cover threaded connection can effectually prevent the spiral cover slippage.

The utility model discloses further set up to: a plastic wafer is arranged at the joint of the inflation inlet and the annular bulge, one end of the plastic wafer is connected with the inflation inlet, and the other end of the plastic wafer is a free end; the free end of the plastic wafer can move towards the containing cavity relative to the inflating port, and the size of the plastic wafer is larger than that of the inflating port; the plastic disc is used for preventing gas in the accommodating cavity from leaking out.

By adopting the technical scheme, because the size of the plastic wafer is larger than that of the inflation inlet, and the free end of the plastic wafer can move towards the direction of the accommodating cavity relative to the inflation inlet, when inflation is carried out, the free end of the plastic wafer can move towards the direction of the accommodating cavity relative to the inflation inlet, when the inflation is completed and the time between closing the screw caps is not reached, if the gas in the inflation inlet leaks, the inflation inlet is blocked by the plastic wafer, and the gas stops leaking. The plastic disc is provided to prevent the gas in the receiving chamber from leaking out.

The utility model discloses further set up to: the protective housing is made of paper, and the outer wall of the protective housing is provided with a waterproof coating.

Through adopting above-mentioned technical scheme, the outer wall of protecting sheathing is provided with the waterproof layer, can prevent that protecting sheathing from getting damp into water and leading to protecting sheathing heaviness, the situation that the floating capacity descends to take place.

The utility model discloses further set up to: the waterproof coating is an emulsifying wax coating.

Through adopting above-mentioned technical scheme, carry out waterproof through emulsifying wax coating to protecting sheathing.

To sum up, the utility model discloses a beneficial technological effect does:

1. after the air bag layer is inflated, if the corrugated board falls into water, the floating capacity is enhanced, and the protective shell can prevent the air bag layer from being damaged by tiny objects.

2. The positioning column can prevent the air bag from shifting in the protective shell and causing the center of gravity of the corrugated board to shift.

3. The plastic disc can prevent the gas in the containing cavity from leaking.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic view of the overall structure of a corrugated cardboard;

FIG. 2 is a schematic structural view of an air bag layer of corrugated cardboard;

FIG. 3 is a schematic structural view of a protective outer case of corrugated cardboard;

FIG. 4 is a structural diagram illustrating the state of the corrugated cardboard in which the air-filling ports are inflated;

fig. 5 is a schematic structural view of the corrugated cardboard after the air inflation of the air inflation inlet is completed.

In the figure, 1, a first face paper layer; 2. a second face paper layer; 3. a first corrugated core layer; 4. a second corrugated core layer; 5. an inner paper layer; 6. an air bag layer; 61. a first plastic film; 62. a second plastic film; 63. an inflation inlet; 64. an annular projection; 65. positioning holes; 66. a plastic sheet; 7. a protective housing; 71. a positioning column; 72. a through hole; 8. and (5) screwing a cover.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. As shown in fig. 1 and 2, an embodiment of the present invention provides a corrugated board, which includes a corrugated board, including a board main body, an air bag layer 6 and a protective casing 7; the paper board main body is a cuboid board and comprises a first surface paper layer 1, a second surface paper layer 2, a first corrugated core layer 3, a second corrugated core layer 4 and a lining paper layer 5; first surface paper layer 1 and second surface paper layer 2 are the kraft paper and make, and the surface of first surface paper layer 1 scribbles waterproof paint, and first flute sandwich layer 3 and second flute sandwich layer 4 all can be the corrugated paper of the wave form that forms through the processing of flute rod. The corrugated paper of the first corrugated layer 3 can be a-type corrugated, and the second corrugated layer 4 can be a B-type corrugated. To form an AB type corrugated cardboard. The first surface paper layer 1, the lining paper layer 5 and the second surface paper layer 2 are made of kraft paper, and the first surface paper layer 1, the first corrugated medium layer 3, the lining paper layer 5, the second corrugated medium layer 4 and the second surface paper layer 2 are sequentially connected; preferably, the layers are adhered by high-temperature curing glue. The air bag layer 6 is arranged on the second face paper layer 2, and an accommodating cavity for accommodating air is arranged in the air bag layer 6; the air bag layer 6 is used for increasing the floating capacity of the corrugated board after being inflated; the air bag layer 6 comprises two layers of plastic films, namely a first plastic film 61 and a second plastic film 62; the first plastic film 61 and the second plastic film 62 are connected at the periphery so as to form a containing cavity for containing gas between the two films; preferably, in order to prevent a gap from being formed at the joint of the first plastic film 61 and the second plastic film 62, which may result in air leakage of the airbag layer 6, the first plastic film 61 and the second plastic film 62 may be integrally formed. The air bag layer 6 is connected with the second face paper layer 2 through a first plastic film 61; the connection mode can be glue pasting. The air bag layer 6 is provided with an inflation port 63 and a screw cap 8 for closing the inflation port 63 as shown in fig. 2 and 4; the spiral cover 8 is cylindrical with an external thread, one end of the cylindrical shape is provided with a circular bulge, and the spiral cover 8 is used for preventing gas from leaking out of the accommodating groove when being closed relative to the inflating opening 63. To reduce the weight of the screw cap 8, the screw cap 8 may be made of plastic. The inflation port 63 is provided on the second plastic film 62, and the inflation port 63 is a circular opening. The staff can inflate gasbag layer 6 through inflation inlet 63, makes the chamber of holding full of gas to increase the floating capacity. Preferably, an air inflation port 63 may be provided at the junction of the second plastic film 62 and the first plastic film 61 to communicate the receiving chamber with the outside. The protective shell 7 covers the air bag layer 6, the protective shell 7 is provided with a through hole 72, and the inflating port 63 is exposed outside the protective shell 7 through the through hole 72. The protective casing 7 is made of kraft paper, and the outer wall of the protective casing 7 is provided with a waterproof coating. The waterproof coating can prevent the protective shell 7 from being heavy and the floating capacity from being reduced due to the fact that the protective shell 7 is wetted and enters water, and preferably, the waterproof coating is an emulsifying wax coating. The emulsified wax coating effectively waterproofs the protective housing 7.

Through foretell setting, in above-mentioned technical scheme, as shown in fig. 1, the cardboard main part is connected gradually by first surface paper layer 1, first flute core layer 3, interior paper layer 5, second flute core layer 4 and second surface paper layer 2, forms five-layer corrugated container board, and first flute core layer 3 and second flute core layer 4 can provide buffer capacity, prevent when corrugated container board forms the boxed object of corrugated paper, and inside object damages when the collision. The air bag layer 6 is arranged on the second face paper, the two layers of plastic films form the air bag layer 6, and an inflatable cavity is arranged between the two layers of plastic films. The air bag layer 6 can be inflated through the inflation port 63, the spiral cover 8 can be closed after the air bag layer 6 is inflated, the air is prevented from overflowing from the air bag layer 6, and the protective shell 7 can prevent the air bag layer 6 from being damaged by fine objects. The arrangement of the air bag layer 6 can enhance the floating capacity of the whole corrugated board. In addition, the plastic film has good tightness, can prevent water and is light, and is a suitable material for the air bag layer 6.

Further, to facilitate the connection of the screw cap 8, the inflation inlet 63 may be provided with an annular protrusion 64, the annular protrusion 64 is a plastic hollow cylinder, and is glued or integrally formed with the inflation inlet 63, and it should be noted that the annular protrusion 64 is made of hard plastic. The air charging port 63 is connected with the screw cap 8 through the annular protrusion 64, that is, the inner wall of the annular protrusion 64 is provided with an internal thread, and the internal thread is matched with the external thread of the screw cap 8, so that the two are in threaded connection. Preventing the screw cap 8 from slipping off.

In order to prevent the gas in the inflation port 63 from leaking outside during the period from the inflation to the time when the cap 8 is tightly screwed, as shown in fig. 4 and 5, a plastic disc may be further provided, specifically, the plastic disc is disposed at the joint of the inflation port 63 and the annular protrusion 64, and one end of the plastic disc is connected to the inflation port 63, preferably, it may be an adhesive. It should be noted here that the plastic disc may be point bonded, i.e. only a small portion, i.e. less than 30 degrees, of the edge of the circular arc is bonded to the connection of the inflation port 63 and the annular protrusion 64. The other end of the plastic wafer is a free end; the free end of the plastic wafer can move towards the containing cavity relative to the air charging port 63, and the size of the plastic wafer needs to be larger than that of the air charging port 63, so that when the plastic wafer is closed relative to the air charging port 63, the plastic wafer completely isolates the air charging port 63 from the inside and the outside; the plastic disc is used for preventing gas in the accommodating cavity from leaking out. Because the size of the plastic disc is larger than that of the air charging port 63, and the free end of the plastic disc can move towards the accommodating cavity relative to the air charging port 63, when the air charging is carried out, the free end of the plastic disc can move towards the accommodating cavity relative to the air charging port 63, and when the air charging is completed and the screw cap 8 is not closed yet, in the process of air leakage in the air charging port 63, the plastic disc blocks the air charging port 63, and the air leakage stops. The plastic disc is provided to prevent the gas in the receiving chamber from leaking out.

In order to prevent the airbag from being displaced in the protective housing 7, which would lead to a shift in the center of gravity of the corrugated cardboard. As shown in fig. 2 and 3: the first plastic film 61 may be provided with a first positioning hole 65, and the second plastic film 62 may be provided with a second positioning hole 65; the first positioning holes 65 correspond to the second positioning holes 65, the first positioning holes 65 and the second positioning holes 65 are circular holes, the number of the first positioning holes 65 and the number of the second positioning holes 65 are the same, the first positioning holes 65 and the second positioning holes 65 can be nine, the side walls of the first positioning holes 65 and the side walls of the second positioning holes 65 are connected, and the preferred connection mode can be integrally formed so as to ensure the tightness of the air bag layer 6 and prevent the air leakage of the air bag layer 6. The protective housing 7 further comprises a positioning post 71; the positioning post 71 is fixedly disposed on the protective housing 7, and preferably, can be adhered by using glue. The positioning column 71 is a paper cylinder, and the positioning column 71 is used for sequentially passing through the second positioning hole 65 and the first positioning hole 65. In order to prevent the positioning column 71 from deviating, the upper surface of the positioning column 71 can be bonded to the second face paper layer 2 by glue.

The implementation principle of the embodiment is as follows: the cock is opened to inflate the inflation inlet 63, the plastic disc is opened relative to the inflation inlet 63 during inflation, and after inflation, the plastic disc is closed relative to the inflation inlet 63, and the screw cap 8 is screwed at the same time. The air bag layer 6 is completely inflated. The arrangement of the air bag layer 6 can enhance the floating capacity of the whole corrugated board. In addition to this, the first corrugated medium layer 3 and the second corrugated medium layer 4 can provide a buffering capacity to prevent the inside object from being damaged at the time of collision when the corrugated cardboard is formed into the corrugated cardboard box object. The air bag layer 6 is arranged on the second surface paper, the air bag layer 6 can be inflated through the inflation port 63 to the air bag layer 6, the spiral cover 8 can be closed after inflation, gas is prevented from overflowing from the air bag layer 6, and the protective shell 7 can prevent the air bag layer 6 from being damaged by small objects.

In addition, the positioning post 71 sequentially passes through the second positioning hole 65 and the first positioning hole 65, so as to prevent the air bag from shifting in the protective casing 7, which results in the center of gravity of the corrugated board from shifting.

In addition, the plastic disc acts as a one-way valve. Because the size of the plastic disc is larger than that of the air charging port 63, and the free end of the plastic disc can move towards the accommodating cavity relative to the air charging port 63, when the air charging is carried out, the free end of the plastic disc can move towards the accommodating cavity relative to the air charging port 63, and when the air charging is completed and the screw cap 8 is not closed yet, in the process of air leakage in the air charging port 63, the plastic disc blocks the air charging port 63, and the air leakage stops. The plastic disc is provided to prevent the gas in the receiving chamber from leaking out.

Here, it should be noted that: in the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A corrugated board characterized by: comprises a paperboard main body, an air bag layer (6) and a protective shell (7);

the paperboard main body comprises a first surface paper layer (1), a second surface paper layer (2), a first corrugated core layer (3), a second corrugated core layer (4) and an inner paper layer (5); the first surface paper layer (1), the first corrugated layer (3), the inner paper layer (5), the second corrugated layer (4) and the second surface paper layer (2) are connected in sequence;

the air bag layer (6) is arranged on the second face paper layer (2), and an accommodating cavity for accommodating air is arranged in the air bag layer (6);

the air bag layer (6) is used for increasing the floating capacity of the corrugated board after being inflated;

the air bag layer (6) is provided with an inflation inlet (63) and a spiral cover (8) for closing the inflation inlet (63);

the protective shell (7) is covered on the air bag layer (6), the protective shell (7) is provided with a through hole (72), and the inflation inlet (63) is exposed outside the protective shell (7) through the through hole (72).

2. A corrugated cardboard according to claim 1 wherein: the air bag layer (6) comprises two layers of plastic films, namely a first plastic film (61) and a second plastic film (62);

the first plastic film (61) and the second plastic film (62) are connected at the periphery so as to form a containing cavity for containing gas between the two films;

the air bag layer (6) is connected with the second face paper layer (2) through a first plastic film (61);

an air inflation port (63) is arranged on the second plastic film (62) to communicate the accommodating cavity with the outside.

3. A corrugated cardboard according to claim 2 wherein: the first plastic film (61) is provided with a first positioning hole (65), and the second plastic film (62) is provided with a second positioning hole (65);

the first positioning hole (65) corresponds to the second positioning hole (65), and the side walls of the first positioning hole (65) and the second positioning hole (65) are connected so as to ensure the tightness of the air bag layer (6);

the protective shell (7) also comprises a positioning column (71); the positioning column (71) is used for sequentially passing through the second positioning hole (65) and the first positioning hole (65).

4. A corrugated cardboard according to claim 2 wherein: the inflation inlet (63) is provided with an annular bulge (64), and the inflation inlet (63) is connected with the screw cap (8) through the annular bulge (64).

5. A corrugated cardboard according to claim 4 wherein: the annular bulge (64) is in threaded connection with the screw cap (8).

6. A corrugated cardboard according to claim 4 wherein: a plastic wafer is arranged at the joint of the air charging port (63) and the annular bulge (64), one end of the plastic wafer is connected with the air charging port (63), and the other end of the plastic wafer is a free end;

the free end of the plastic wafer can move towards the containing cavity relative to the air charging port (63), and the size of the plastic wafer is larger than that of the air charging port (63);

the plastic disc is used for preventing gas in the accommodating cavity from leaking out.

7. A corrugated cardboard according to any one of claims 1 to 6 wherein: the protective casing (7) is made of paper, and the outer wall of the protective casing (7) is provided with a waterproof coating.

8. A corrugated board according to claim 7, wherein: the waterproof coating is an emulsifying wax coating.