CN111573006A

CN111573006A - N type angle bead buffering gas column bag

Info

Publication number: CN111573006A
Application number: CN202010537417.7A
Authority: CN
Inventors: 朱远富; 李建
Original assignee: Chongqing Xinruili Packaging And Printing Co ltd
Current assignee: Chongqing Xinruili Packaging And Printing Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-08-25

Abstract

The invention discloses an N-type corner protection buffering air column bag which comprises a first outer wall (1), a second outer wall (2), an inner wall (3) and a side wall (4), wherein the first outer wall (1), the second outer wall (2), the inner wall (3) and the side wall (4) are all provided with a plurality of air columns, the length of the air column of the inner wall (3) is shorter than that of the air columns of the first outer wall (1) and the second outer wall (2), the first outer wall (1) and the inner wall (3) form a set angle, the first outer wall (1) and the second outer wall (2) are connected with the outer side wall (4) and the first outer wall (1) and the inner wall (3) are connected in a bending mode through bending nodes (6), the inner wall (3) and the second outer wall (2) are connected in a heat sealing mode, and the connecting edges of the first outer wall (1), the second outer wall (2) and. Compared with the traditional foam cushion packaging, the N-type corner protection cushion air column bag has the excellent characteristics of environmental protection, low cost, high protection and the like.

Description

N type angle bead buffering gas column bag

Technical Field

The invention relates to the technical field of air column bags, in particular to an N-type corner protection buffering air column bag.

Background

With the development of times, the logistics industry is also developing at a high speed. The storage and transportation stage of the article from production to sale is carried out, and the conditions of extrusion, collision, falling and the like are inevitably generated in the process of storing and transporting the article, so that the product is damaged or deformed, and huge loss is brought to enterprises. In order to protect and transport products, the most common package is corrugated boxes, but for heavy and fragile articles such as televisions and computers, cushioning packages are usually used in the corrugated boxes to achieve good cushioning and shock absorption effects.

Currently, the cushioning packaging used by televisions on the market is still traditional foam. However, foams are extremely vulnerable and prone to chipping when subjected to direct impact and friction; in addition, the foam is a material which is difficult to degrade and is not beneficial to recycling, and environmental pollution is easily caused; the foam is formed by a foam manufacturer and then is transported to a television manufacturer, and the transportation cost is high.

In summary, how to effectively solve the problems of environmental pollution, high cost, low protection level and the like of the traditional foam cushion packaging is a problem which needs to be solved urgently by the technical personnel in the field at present.

Disclosure of Invention

The invention aims to provide an N-type corner protection buffering air column bag which has the excellent characteristics of environmental protection, low cost, high protection and the like compared with the traditional foam buffering package.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a N type angle bead buffering gas column bag, is including first outer wall, second outer wall, inner wall and the lateral wall that all has a plurality of gas columns, inner wall gas column length weak point is in first outer wall and second outer wall gas column length, and first outer wall is the settlement angle with the inner wall, between first outer wall and second outer wall and the lateral wall and all buckle through the node of buckling between first outer wall and the inner wall and be connected, all be connected through the heat-seal between inner wall and the second outer wall, the connection limit of first outer wall, second outer wall and inner wall is connected through three wall heat seal lines.

Preferably, the first outer wall and the second outer wall are perpendicular to the side wall.

Preferably, the end air column of the inner wall is extended with a film, the film and the second outer wall are connected through a hammock heat sealing point to form a hammock, and the hammock is vertically spaced from the side wall.

Preferably, the film of the inner wall is connected with the second outer wall through a hammock heat sealing point to form a base hammock, and at least one layer of film is added on the surface of the base hammock to form a multilayer hammock.

Preferably, the first outer wall and the inner wall are connected through two rows of bending nodes with set intervals, and corner air columns are formed at the two rows of bending nodes.

Preferably, the three-wall heat-seal line is in the edge heat-seal of first outer wall, inner wall and second outer wall has set length and forms the heat-seal district, there are two gas columns of reserving in the edge of first outer wall, inner wall and second outer wall, the heat-seal district is located the inferior outside and reserves in the gas column.

Preferably, the first outer wall, the second outer wall and the side wall are provided with box corner easy-to-break areas for changing the column diameter of the reserved gas column at the reserved gas column.

Preferably, the first outer wall and the inner wall are provided with gas column easy-to-break areas.

Preferably, a box body buckle area is arranged on the side wall.

Preferably, the first outer wall and the inner wall are connected at a location line.

The N-shaped corner protection buffering air column bag provided by the invention comprises a first outer wall, a second outer wall, an inner wall and side walls, wherein each wall is provided with a plurality of air columns with certain lengths, one air column is formed by separating two longitudinal sealing lines, and the use is not influenced by the air leakage of one column body. One layer of planar thin film processed through a die and mechanical equipment comprises a planar heat sealing line and 4 rows of bending nodes, wherein every two bending nodes with a certain distance form a group, and the first outer wall, the second outer wall, the inner wall and the side wall are formed by bending through the bending nodes. The node of buckling makes an air column become a plurality of air columns, can buckle and form the multiwall structure, and it is comparatively simple and convenient to buckle, has richened the shaping shape, and better laminating and protective object can protect the article of different shapes.

Simultaneously, inner wall gas column length weak point is in first outer wall and second outer wall gas column length, and first outer wall is the set angle with the inner wall, through buckling the node and forming the back, the inner wall is in first outer wall, second outer wall. All through heat-seal connection between inner wall and the second outer wall, form N type contained angle between first outer wall, inner wall and the second outer wall. The connecting edges of the first outer wall, the second outer wall and the inner wall are connected through a three-wall heat seal line, and finally an N-type protection space is formed. During packaging, the first outer wall, the second inner wall and the side wall are directly attached to the packaging box, and the N-shaped area formed by the inner wall and the second outer wall is attached to the corner area on the television.

By applying the technical scheme provided by the embodiment of the invention, the problems of easiness in damage, chip falling, environmental pollution, high transportation cost and the like of the traditional foam are solved, and the N-type corner protection buffer air column bag is easy to form and low in production cost; the foam cushion packaging bag is easy to recycle, and has the excellent characteristics of environmental protection and low cost compared with the traditional foam cushion packaging bag; the strength is high, the use is not influenced by the leakage of one column, the protection on articles is good, and the breakage rate of products is reduced; after production, the product is transported to the site in a flat shape, and is recharged when in use, thereby greatly reducing the transportation cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an N-type corner protector buffer air column bag according to an embodiment of the present invention;

FIG. 2 is a schematic view showing the installation of an N-type corner protector cushion gas column bag with the three wall heat seal lines facing upward;

FIG. 3 is a side view of the installation of a triple wall heat seal line of an N-type corner protector buffer air column bag;

FIG. 4 is a schematic view of a planar film prior to formation of an N-type corner protector buffer air column bag;

FIG. 5 is a diagram showing the effect of first folding a planar film before forming an N-type corner protector buffer air column bag;

FIG. 6 is a diagram showing the effect of a second and third folding of a planar film prior to the formation of an N-type corner protector buffer air column bag;

FIG. 7 is a first combination of planar heat seal lines;

fig. 8 shows a second combination of planar heat-sealing lines.

The drawings are numbered as follows:

the box comprises a first outer wall 1, a second outer wall 2, an inner wall 3, a side wall 4, a three-wall heat-sealing line 5, a bending node 6, a corner air column 7, an air column easy-to-fold area 8, a box corner easy-to-fold area 9, a hammock 10, a hammock heat-sealing point 11, an outermost reserved air column 12, a first folding line 131, a second folding line 132, a third folding line 133, a heat-sealing area 14, an inflation inlet 15, a positioning line 16 and a box body buckle area 17.

Detailed Description

The core of the invention is to provide an N-type corner protector buffer air column bag, and compared with the traditional foam buffer package, the N-type corner protector buffer air column bag has the excellent characteristics of environmental protection, low cost, high protection and the like.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, fig. 1 is a schematic structural view of an N-shaped corner protection buffer air column bag according to an embodiment of the present invention; FIG. 2 is a schematic view showing the installation of an N-type corner protector cushion gas column bag with the three wall heat seal lines facing upward; FIG. 3 is a side view of the installation of a triple wall heat seal line of an N-type corner protector buffer air column bag; FIG. 4 is a schematic view of a planar film prior to formation of an N-type corner protector buffer air column bag;

FIG. 5 is a diagram showing the effect of first folding a planar film before forming an N-type corner protector buffer air column bag; FIG. 6 is a diagram showing the effect of a second and third folding of a planar film prior to the formation of an N-type corner protector buffer air column bag; FIG. 7 is a first combination of planar heat seal lines; fig. 8 shows a second combination of planar heat-sealing lines.

In a specific embodiment, the N-type corner protection buffer air column bag provided by the invention comprises a first outer wall 1, a second outer wall 2, an inner wall 3 and a side wall 4 which are all provided with a plurality of air columns, wherein the length of the air column of the inner wall 3 is shorter than that of the air columns of the first outer wall 1 and the second outer wall 2, the first outer wall 1 and the inner wall 3 form a set angle, the space between the first outer wall 1 and the outer wall 2 and the space between the first outer wall 1 and the inner wall 3 and the space between the second outer wall 2 and the outer wall 4 are connected in a bending mode through bending nodes 6, the space between the inner wall 3 and the second outer wall 2 are connected in a heat sealing mode, and connecting edges of the first outer wall 1, the second outer wall 2 and the inner wall 3 are.

In the structure, the N-shaped corner protection buffer air column bag is a novel shockproof package filled with natural air and is widely used for the transportation and packaging of products. N type angle bead buffering gas column bag includes first outer wall 1, second outer wall 2, inner wall 3 and lateral wall 4, and each wall all has a plurality of gas columns of certain length, and a gas column is separated by two vertical seal lines and is formed, and the use of other cylinders is not influenced in the damaged gas leakage of single cylinder.

Above-mentioned all buckle through buckling node 6 between first outer wall 1 and second outer wall 2 and the lateral wall 4 and between first outer wall 1 and the inner wall 3 and be connected, refer to the planar film of one deck through mould and mechanical equipment processing, including plane heat seal line and 4 rows of buckle node 6, the size of single buckle node 6 is decided according to the column footpath size, and every two have the node 6 of buckling of determining the interval to be a set of, evenly just distribute between two parties and be one row in n column footpaths, first outer wall 1, second outer wall 2, inner wall 3 and lateral wall 4 are through buckling node 6 bending type. The bending node 6 enables one air column to be changed into a plurality of air columns, the multi-wall structure can be formed by bending, bending is simple and convenient, the forming shape is enriched, better attaching and protecting objects can be achieved, and objects in different shapes can be protected.

Simultaneously, 3 gas column length on inner wall is shorter than first

outer wall

1 and 2 gas column lengths on the second outer wall, and first outer wall 1 is the set angle with inner wall 3, through buckling the node 6 and form the back, inner wall 3 is in first outer wall 1, second outer wall 2. All through heat-seal connection between inner wall 3 and the second outer wall 2, form N type contained angle between first outer wall 1, inner wall 3 and the second outer wall 2.

The connecting edges of the first outer wall 1, the second outer wall 2 and the inner wall 3 are connected through a three-wall heat seal line 5, and finally an N-shaped protection space is formed. The connection edges of the first outer wall 1, the second outer wall 2 and the inner wall 3 are connected through the three-wall heat seal line 5, so that the connection is convenient and the operation is easy.

During the packing, first outer wall 1, second inner wall 3 and lateral wall 4 are direct and packing box laminating, and the regional laminating of edges and corners on the N type district that inner wall 3 and second outer wall 2 formed and the TV set.

It should be noted that the N-type corner protector buffer air column bag has two different assembling modes according to different transportation environments, such as fig. 2 and 3, the three-wall heat-seal line 5 in fig. 2 faces upwards, and the three-wall heat-seal line 5 in fig. 3 is at the side edge. Before the second outer wall 2 of the N-type corner protection buffer air column bag is attached to a television screen, after the first outer wall 1 and the inner wall 3 are attached to the television screen, the thickness of the common television screen is a bit, so that the N-type corner protection buffer air column bag is divided into a left part and a right part which are a set.

On the basis of the above-mentioned specific embodiment, the first outer wall 1, the second outer wall 2 are perpendicular to the side wall 4, and the shape of the N-type corner protection buffer air column bag is regular, and during packaging, the first outer wall 1, the second outer wall 2 and the side wall 4 are attached to an outer packaging box, so that the N-type corner protection buffer air column bag can be fixed in a corrugated carton and the buffer strength is increased. Of course, the first and second

outer walls

1 and 2 are perpendicular to the side wall 4 only in a preferred embodiment, and not exclusively, the first and second

outer walls

1 and 2 may not be perpendicular to the side wall 4, for example, the included angle is greater than 90 degrees.

In another more reliable embodiment, based on any of the above embodiments, the end of the inner wall 3 is extended by a film with a certain length and width, and the film is connected with the second outer wall 2 through a hammock heat seal 11 to form a hammock 10, and the hammock 10 is vertically spaced from the side wall 4. The N type district that inner wall 3 and second outer wall 2 formed is laminated with the angular region on the TV set, and hammock 10 is connected inner wall 3 and second outer wall 2, and the wall quantity is less under the circumstances that satisfies transportation intensity, has reached the effect of saving the cost, and hammock 10 has avoided the edge fish tail gas column to produce the gas leakage phenomenon and has played fine buffering and cushioning effect when falling with the contact of TV set edge.

Preferably, the hammock 10 is spaced a vertical distance from the side wall 4, the distance being anywhere from about 20 mm to about 100mm, inclusive, to prevent the hammock 10 from colliding with the side wall 4.

Further optimizing above-mentioned technical scheme, the film of inner wall 3 passes through hammock heat seal point 11 with second outer wall 2 and connects, forms basic unit hammock, and the surface of basic unit hammock adds at least one deck film, forms multilayer hammock. The hammock 10 has the advantages of increased thickness and strength, firmness, difficult puncture of the hammock 10 by the corners of television articles, better buffer performance and better protection of the television articles.

The thickness of the specific hammock 10 is not limited, that is, the number of the layers of the films additionally arranged on the surface of the base hammock is not limited, and a layer of film can be additionally arranged, so that a double-layer hammock is formed; and a plurality of layers of films can be additionally arranged, for example, three layers of films are additionally arranged, a four-layer hammock is formed at the moment, and the specific number of layers can be determined according to the practical application condition.

The formation method of the multi-layer hammock comprises two methods:

the first mode is that the film of the inner wall 3 is connected with the second outer wall 2 through a hammock heat sealing point 11, after a base hammock is formed, a plurality of layers of films are taken to be attached to the surface of the base hammock and are attached to the film of the base hammock, wherein the films can be the upper surface of the base hammock or the lower surface of the base hammock; and (3) performing heat sealing connection on two ends of the plurality of layers of films with the inner wall 3 and the second outer wall 2 respectively, and integrating the base hammock and the plurality of layers of films to form a multi-layer hammock.

It should be noted that the material of the newly added film may be the same as the material of the base hammock, or may be different from the material of the base hammock, and all fall within the protection scope of the present invention.

In the second mode, the length of the film on the inner wall 3 is prolonged, the film is turned inwards, and the middle part of the film is connected with the second outer wall 2 in a heat sealing mode through a hammock heat sealing point 11 to form the base hammock. And then, the film behind the base layer hammock is continuously folded back to the inner wall 3 and is connected with the inner wall 3 through a heat sealing point to form a double-layer hammock with the thickness of 4 layers of film, and the length of the film is increased to ensure that the film is folded back again to form a multi-layer hammock.

For the N-shaped corner protection buffer air column bags in the embodiments, the first outer wall 1 and the inner wall 3 are connected through two rows of bending nodes 6 with set intervals, and corner air columns 7 are formed at the two rows of bending nodes 6, so that the air columns of the inner wall 3 and the air columns of the outer wall are prevented from being extruded with each other. It should be noted that the distance between the two rows of bending nodes 6 is not limited, and depends on the column diameter.

In addition to the above embodiments, the triple-wall heat-seal line 5 is heat-sealed at the edges of the first outer wall 1, the inner wall 3 and the second outer wall 2 by a set length and forms the heat-seal area 14.

Specifically, the left edge or the right edge of the first outer wall 1, the inner wall 3 and the second outer wall 2 has a non-air-intake air column, and the triple-wall heat-seal line 5 is heat-sealed in an area of the triple-wall edge where the air column is not air-intake, which is called a heat-seal area 14. The heat-seal lands 14 increase the heat-seal area and increase the heat-seal strength.

The heat-seal area 14 is the heat-seal position of the three-wall heat-seal line 5, and is designed to reserve the air column on the secondary outer side without air intake, the heat-seal area 14 is a trapezoidal closed space with the length slightly smaller than the longitudinal seal line of the air column and the set width, and the size and the shape are designed according to the product specification. Trapezoidal airtight space is convenient for the processing of production facility, lets the heat-seal line can accurately beat in heat-seal district 14 and do not influence the gas column of first outer wall 1, inner wall 3 and second outer wall 2.

It should be noted that the triple-wall heat-seal line 5 has a certain length, and the heat-seal area 14 has a certain area, so that the length of the triple-wall heat-seal line 5 and the area of the heat-seal area 14 are not limited when the transportation requirement that the product can still be connected with the triple-wall when impacted and vibrated is met.

In another more reliable embodiment, the edges of the first outer wall 1, the inner wall 3 and the second outer wall 2 are provided with reserved gas columns, for example, two reserved gas columns, namely an outermost reserved gas column 12 and a secondary outer reserved gas column, are arranged, and the secondary outer reserved gas column is a gas column which is located on the inner side of the outermost reserved gas column 12 and is close to the outermost reserved gas column 12. The outer side of the reserved gas column on the outermost side is provided with a residual bevel edge, the heat-seal area 14 is positioned in the reserved gas column on the secondary outer side, the reserved gas column can enhance the strength of the contact part of the corner of the television and the three-wall heat-seal line 5, and the phenomenon that the corner is directly torn by external impact during transportation is avoided.

Preferably, the first outer wall 1, the second outer wall 2 and the side wall 4 are provided with a box corner easy-to-fold area 9 for changing the diameter of the reserved gas column at the reserved gas column, the box corner easy-to-fold area 9 is a non-gas-inlet area, the shape and the size of the box corner easy-to-fold area 9 are not limited, one to two gas columns with smaller column diameters are generally arranged between the box corner easy-to-fold area 9 and the three-wall heat sealing line 5, the smaller column diameter is the column diameter of each wall gas column, the combination of the box corner easy-

to-fold area

9 and 1 to 2 adjacent small gas columns enables the N-shaped corner protection buffer gas column bag to be regularly placed into a carton, and the protection strength between the outer packing box and the edge of the television is enhanced.

For the N-shaped corner protection buffering air column bag in each embodiment, the first outer wall 1 and the inner wall 3 are provided with the air column easy-to-break area 8, the air column easy-to-break area 8 is realized by that some or a plurality of air columns do not enter air, the air column easy-to-break area 8 is positioned at the same position of the first outer wall 1 and the inner wall 3, the size of the air column easy-to-break area 8 is smaller than that of the air column, the specific size and shape of each wall are not limited, and the air column easy-to-break area can be determined according to the actual application condition. The effect of the easy folding zone 8 of gas column is that it is more regular to make N type angle bead buffering gas column bag product after aerifing, and the flexibility is better, makes it change pack into in the carton and can not lead to the carton to warp by outer bullet, avoids aerifing the back product form scale plate, prevents that first

outer wall

1 and 3 gas column outstands of inner wall or outer bullet from leading to equip the back packing box and rise the case or warp, and the cushion strength of whole packing is higher.

Of course, the N-shaped corner protection buffer air column bag is provided with the air column easy-to-fold area 8 only in a preferred embodiment, and is not unique, because the hammock 10 pulls the inner wall 3 and the second outer wall 2 to form a certain angle, the first outer wall 1 cannot be extruded, and therefore the angle between the outer wall and the side wall 4 can still be 90 degrees, so that the product form is regular under most conditions, the box is rarely bounced, and the air column easy-to-fold area 8 cannot be arranged.

Under the condition that other components are not changed, the side wall 4 is provided with the box body buckle area 17, namely, the continuous 3-4 air columns on the side wall 4 are designed without air intake, the box body buckle area 17 is formed on the side wall 4, the buckle of the packing box is avoided, and the N-shaped corner protection buffer air column bag is convenient to take and place from the packing box. If the outer packaging box has no handle, the N-shaped corner protection buffer air column bag has no area. The shape, total length and total width of the box handle fastening area 17 are determined according to the position and size of the packing box handle fastening area, for example, the box handle fastening area 17 is a non-air inlet area formed by a plurality of continuous trapezoidal or rectangular closed spaces.

On the basis of any one of the above-mentioned embodiments, connect at location line 16 between first outer wall 1 and the inner wall 3, first outer wall 1, inner wall 3 and second outer wall 2 rethread three wall heat seal lines 5 are connected after both link to each other, and it is more convenient to connect, easily operates, and location line 16 can make the protection area bigger, the cushioning effect better, pleasing to the eye degree is higher.

The N-shaped corner protection buffering air column bag provided by the invention has the advantages that the film is heat-sealed by the plane heat-sealing line under the condition that other components are not changed, the air columns are separated by the plane heat-sealing line to form N air columns, and the column diameters of the air columns can be the same or different. The length of the air column, the column diameter of the air column, the shape of the air column and the number of the air columns are not limited, and can be determined according to the specification of articles such as televisions and the like, and the protection range of the invention is within the protection range.

The air columns are separated by plane heat sealing lines. The plane heat sealing lines comprise transverse sealing lines, longitudinal sealing lines and heat sealing patterns, wherein the heat sealing patterns comprise dragon-shaped lines, splayed lines, smiling face patterns and the like. The combination of the plane heat sealing lines is various as long as n air columns can be formed, and only two of the air columns are illustrated in fig. 7 and 8. The planar heat-sealing line in fig. 7 includes a first transverse sealing straight line a1, a second transverse sealing straight line a2, and a fourth transverse sealing straight line a4, and the three transverse sealing straight lines form a main air passage mainly used for inflating an air gun or an automatic inflator. The n transverse sealing lines A3, the n longitudinal sealing lines C and the dragon-shaped line E form a cylinder inflation inlet 15 and a cylinder air passage, and mainly form an air storage chamber and facilitate air inlet. The plane heat sealing line in fig. 8 comprises a main air passage formed by a transverse sealing line B1 and a transverse sealing line B2, and n longitudinal sealing lines D and a dragon-shaped line F form a cylinder, and the scheme also forms an air valve by using the high-temperature resistant coating 16 to facilitate air inlet.

In order to achieve the purpose of protecting objects with different shapes, some designs are added on the basis of the plane heat sealing line, so that the objects can be better attached and protected. For example, the node design, one air column is changed into a plurality of air columns, and the air columns are bent to form each wall; and if some heat-sealing line segments and longitudinal sealing lines are designed to form a closed space, air is not introduced into the closed space, so that some special functions such as an air column easy-to-break area 8, a heat-sealing area 14 and a box corner easy-to-break area 9 in the N-shaped corner protection buffer air column bag are met.

The airtight space is formed by the following method: the 1 air column is formed by separating 2 vertical sealing lines, the air-intake area is like the shadow part shown in the figure, namely, a heat-sealing line parallel to the vertical sealing line of the air column is additionally arranged in one air column, the vertical sealing line of one air column is lapped with the vertical sealing line of the other air column through 2 oblique short lines to form a trapezoidal or rectangular closed space, and N straight short lines are also arranged in the closed space to strengthen the lapping of the heat-sealing line and the vertical sealing line. Preferably, the line intersections are rounded.

Specifically, the manufacturing method of the N-type corner protection buffer air column bag comprises the following steps:

the first step is to process a layer of plane film by a mould and a mechanical device, wherein the plane film comprises a plane heat sealing line, 4 rows of bending nodes 6 and a plurality of air-tight areas, such as black filling parts in the figure. The size of a single bending node 6 is determined according to the size of the column diameter, and every two bending nodes 6 with a certain distance form a group, are uniformly distributed in n column diameters in the middle and form a row. The first row and the second row form a corner gas column 7, and the third row and the fourth row form a side wall 4. The air-tight area is provided with an air column easy-folding area 8, a heat-sealing area 14 and a box corner easy-folding area 9. The size, shape and position of the gas column easy-to-break area 8 are designed according to the product specification; the heat sealing area 14 is the heat sealing position of the three-wall heat sealing line 5, and the size and the shape are designed according to the product specification; between the box corner folding area 9 and the heat sealing area 14, there are typically 1 to 2 air columns with smaller column diameter, such as air column 1 in fig. 4; the size and the shape of the box corner easy-folding area 9 are designed according to the product specification.

And the second step is to perform three folds and two heat seals by a folder, fold inwards along the first folding line 131 of fig. 4 to form a two-layer film with the effect of fig. 5, fold outwards along the second folding line 132 of fig. 5, fold inwards along the third folding line 133 to form a three-layer film with the effect of fig. 6. A first heat-seal, which heat-seals the hammock 10 to the second outer wall 2; the second heat seal heat seals the three wall heat seal line 5, the effect is as in figure 6.

And the third step is to inflate through the inflation inlet 15.

It should be noted that the position of the inflation inlet 15 is not limited, and can be arranged at the head or the tail of the air column, or at the middle of the air column, the middle inflation inlet and the head and tail inflation inlets can be arranged at the same time, the number of the inflation inlets 15 of the air column is increased, and the inflation speed is increased; or alternatively, the structure is simplified, the specific number and the mode are not limited, and the method can be determined according to the practical application condition.

When the inflation inlet 15 is arranged at the head or the tail of the air column, namely the inflation inlet 15 is arranged at the positions of the second outer wall 2 and the second inner wall 4 on the head-tail heat sealing line 14, the inflation inlet 15 is positioned on the edge of the N-shaped corner protection buffer air column bag, and therefore the air column bag is convenient to process and easy to arrange; and the operation is easy, and the inflation is convenient and rapid.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The N-shaped corner protection buffer air column bag provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a N type angle bead buffering air column bag, its characterized in that, is including first outer wall (1), second outer wall (2), inner wall (3) and lateral wall (4) that all have a plurality of air columns, inner wall (3) air column length weak point is first outer wall (1) and second outer wall (2) air column length, and first outer wall (1) is the settlement angle with inner wall (3), between first outer wall (1) and second outer wall (2) and lateral wall (4) and all buckle through buckling node (6) between first outer wall (1) and inner wall (3) and be connected, all be connected through the heat-seal between inner wall (3) and second outer wall (2), the limit of being connected of first outer wall (1), second outer wall (2) and inner wall (3) is connected through three wall heat seal lines (5).

2. The N-type corner bead cushion air column bag according to claim 1, wherein the first outer wall (1), the second outer wall (2) and the side wall (4) are perpendicular.

3. The N-type corner bead buffer air column bag according to claim 2, wherein the end air column of the inner wall (3) is extended with a film, the film is connected with the second outer wall (2) through a hammock heat sealing point (11) to form a hammock (10), and the end of the hammock (10) is spaced from the side wall (4).

4. The N-type corner protector buffer air column bag according to claim 3, wherein the film of the inner wall (3) is connected with the second outer wall (2) through a hammock heat seal point (11) to form a base hammock, and at least one layer of film is added on the surface of the base hammock to form a multi-layer hammock.

5. The N-type corner protection buffer air column bag according to claim 1, wherein the first outer wall (1) and the inner wall (3) are connected through two rows of bending nodes (6) with set intervals, and corner air columns (7) are formed at the two rows of bending nodes (6).

6. The N-type corner bead buffer air column bag according to claim 1, wherein the three-wall heat-sealing line (5) is heat-sealed at the edges of the first outer wall (1), the inner wall (3) and the second outer wall (2) with a set length and forms a heat-sealing area (14), the edges of the first outer wall (1), the inner wall (3) and the second outer wall (2) have two reserved air columns, and the heat-sealing area (14) is located in the next outer reserved air column.

7. The N-type corner protection buffer air column bag according to claim 6, wherein the first outer wall (1), the second outer wall (2) and the side wall (4) are provided with box corner easy-to-break areas (9) for changing the diameter of the reserved air column at the reserved air column.

8. The N-type corner protector buffer air column bag according to claim 1, wherein the first outer wall (1) and the inner wall (3) are provided with air column frangible zones (8).

9. The N-type corner protector cushion gas column bag according to claim 1, wherein a box body handle area (17) is provided on the side wall (4).

10. The N-type corner protector cushion gas column bag according to any one of claims 1 to 9, wherein the connection between the first outer wall (1) and the inner wall (3) is made at a location line (16).