CN212221111U - V-shaped corner protection buffering air column bag - Google Patents

Abstract

The utility model discloses a V type angle bead buffering gas column bag, including first outer wall, first inner wall, second outer wall and the lateral wall that all has a plurality of gas columns, first inner wall and second inner wall gas column length weak point in first outer wall and second outer wall gas column length, all buckle through the node of buckling between first outer wall and second outer wall and the lateral wall, between first outer wall and the first inner wall and between second outer wall and the second inner wall and be connected, the end of second inner wall and first inner wall is passed through the heat-seal line and is connected, the connection limit of first outer wall, first inner wall, second inner wall and second outer wall is connected through four wall heat-seal lines. Compared with the traditional foam cushion packaging, the V-shaped corner protection cushion air column bag has the excellent characteristics of environmental protection, low cost, high protection and the like.

Description

V-shaped corner protection buffering air column bag

Technical Field

The utility model relates to a gas column bag technical field especially relates to a V type angle bead buffering gas 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. The most common package for protecting and transporting products is a corrugated packing box, but for heavy and fragile articles such as televisions, computers and the like, a buffer package is usually used in the packing box to achieve good buffer 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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a V type angle bead buffering gas column bag, this V type angle bead buffering gas column bag compare with traditional foam cushioning packaging, and it has the environmental protection, low cost, good characteristics such as high protection. In order to solve the technical problem, the utility model provides a following technical scheme:

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

Preferably, the included angle between the first outer wall, the second outer wall and the side wall is 90 degrees, and the included angle between the first outer wall and the first inner wall and the included angle between the second outer wall and the second inner wall are less than 60 degrees.

Preferably, the tail end air columns of the first inner wall and the second inner wall extend to form films, the films on the two sides are connected through head and tail heat sealing lines to form a hammock, and a set distance is reserved between the hammock and the side wall.

Preferably, the first outer wall and the first inner wall and the second outer wall and the second 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 four-wall heat-sealing line is heat-sealed at edges of the first outer wall, the first inner wall, the second inner wall and the second outer wall by a set length and forms a heat-sealing area.

Preferably, there is a reserved air column at the edge of the first outer wall, the first inner wall, the second inner wall and the second outer wall, and the heat-sealing area is located in the reserved air column at the second outer side.

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

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

Preferably, the first outer wall and the first inner wall and the second outer wall are connected in pairs at positioning lines respectively;

or the first inner wall and the second inner wall are connected at a positioning line.

The utility model provides a V type angle bead buffering gas column bag, including first outer wall, first inner wall, second outer wall and lateral wall, each wall all has a plurality of gas columns of certain length, and a gas column is formed by two vertical seal line partitions, and a cylinder gas leakage does not influence the use. A layer of planar thin film processed through a die and mechanical equipment comprises a planar heat sealing line and 6 rows of bending nodes, wherein every two bending nodes with a certain distance form a group, and a first outer wall, a first inner wall, a second outer wall and a side wall are formed by bending 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, the gas column length of first inner wall and second inner wall is shorter than first outer wall and second outer wall gas column length, through buckling the nodal bending formation back, first inner wall and second inner wall are in first outer wall and second outer wall. The tail ends of the second inner wall and the first inner wall are connected through an end-to-end heat sealing line, and a V-shaped included angle is formed between the first inner wall and the second inner wall. The connecting edges of the first outer wall, the first inner wall, the second inner wall and the second outer wall are connected through four-wall heat sealing lines, and finally a V-shaped 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 a V-shaped area formed by the first inner wall and the second inner wall is attached to a corner area of the television.

By applying the technical scheme provided by the embodiment of the utility model, the problems of easy damage, scrap falling, environmental pollution, high transportation cost and the like of the traditional foam are solved, the V-shaped corner protection buffer air column bag is easy to form, and the production cost is low; 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 these drawings without creative efforts.

Fig. 1 is a schematic structural view of a V-shaped corner protection buffering air column bag according to an embodiment of the present invention;

FIG. 2 is a schematic view showing the installation of a V-shaped corner protector cushion gas column bag with the four-wall heat-seal lines facing upward;

FIG. 3 is a schematic side view of the installation of the four-wall heat-sealing lines of the V-shaped corner protection buffer air column bag;

FIG. 4 is an expanded view of a V-shaped corner protector buffer air column bag;

FIG. 5 is a schematic view of the right end of the V-shaped corner protector buffer air column bag in FIG. 4;

FIG. 6 is a diagram showing the effect of a first folding of a planar film;

FIG. 7 is a diagram showing the effect of the second and third folds of the planar film;

FIG. 8 is a simplified illustration after inflation;

FIG. 9 is a first combination of planar heat seal lines;

FIG. 10 is a second combination of planar heat seal lines;

fig. 11 is a ladder explanatory diagram.

The drawings are numbered as follows:

the box comprises a first outer wall 1, a second outer wall 2, a first inner wall 3, a second inner wall 4, a side wall 5, a four-wall heat sealing line 6, a corner gas column 7, a gas column easy-to-fold area 8, a box corner easy-to-fold area 9, a bending node 10, a box body handle area 11, an outermost reserved gas column 12, a secondary outer reserved gas column 13, a head and tail heat sealing line 14, an inflation inlet 15, a hammock 16, a remaining bevel edge 17, a heat sealing area 18, a first folding line 191, a second folding line 192, a third folding line 193, a first trapezoidal closed space 201, a second trapezoidal closed space 202, a third trapezoidal closed space 203, a fourth trapezoidal closed space 204, a fifth trapezoidal closed space 205, a sixth trapezoidal closed space 206 and a positioning line 21.

Detailed Description

The core of the utility model is to provide a V type angle bead buffering gas column bag, this V type angle bead buffering gas column bag compares with traditional foam cushioning packaging, and it has the environmental protection, low cost, good characteristics such as high protection. 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 to 11, fig. 1 is a schematic structural view of a V-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 a V-shaped corner protector cushion gas column bag with the four-wall heat-seal lines facing upward; FIG. 3 is a schematic side view of the installation of the four-wall heat-sealing lines of the V-shaped corner protection buffer air column bag; FIG. 4 is an expanded view of a V-shaped corner protector buffer air column bag; FIG. 5 is a schematic view of the right end of the V-shaped corner protector buffer air column bag in FIG. 4; FIG. 6 is a diagram showing the effect of a first folding of a planar film; FIG. 7 is a diagram showing the effect of the second and third folds of the planar film; FIG. 8 is a simplified illustration after inflation; FIG. 9 is a first combination of planar heat seal lines; FIG. 10 is a second combination of planar heat seal lines; fig. 11 is a ladder explanatory diagram.

In a specific embodiment, the utility model provides a V type angle bead buffering air column bag, including the first outer wall 1 that all has a plurality of air columns, first inner wall 3, second inner wall 4, second outer wall 2 and lateral wall 5, first inner wall 3 and the 4 air column length of second inner wall are short in first outer wall 1 and the 2 air column length of second outer wall, between first outer wall 1 and second outer wall 2 and lateral wall 5, all buckle through buckling node 10 between first outer wall 1 and the first inner wall 3 and between second outer wall 2 and the second inner wall 4 and be connected, the end of second inner wall 4 and first inner wall 3 is connected through end-to-end heat seal line 14, the connection limit of first outer wall 1, first inner wall 3, second inner wall 4 and second outer wall 2 is connected through four-wall heat seal line 6.

In the structure, the V-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. V type angle bead buffering gas column bag includes first outer wall 1, first inner wall 3, second inner wall 4, second outer wall 2 and lateral wall 5, and each wall all has a plurality of gas columns of certain length, and a gas column is formed by two indulging the line separation of sealing, and a cylinder gas leakage does not influence the use.

Above-mentioned between first outer wall 1 and second outer wall 2 and the lateral wall 5, all buckle through buckling node 10 between first outer wall 1 and the first inner wall 3 and between second outer wall 2 and the second inner wall 4 and be connected, refer to the one deck planar film through mould and mechanical equipment processing, including plane heat seal line and 6 rows of buckle node 10, the size of single buckle node 10 is decided according to the column footpath size, every two have the node 10 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, first inner wall 3, second inner wall 4, second outer wall 2 and lateral wall 5 buckle through buckling node 10 and form. The bending node 10 changes one air column into a plurality of air columns, can be bent to form a multi-wall structure, is simple and convenient to bend, enriches the forming shape, better fits and protects articles, and can protect articles in different shapes.

Meanwhile, the length of the air column of the first inner wall 3 and the second inner wall 4 is shorter than that of the first outer wall 1 and the second outer wall 2, and after the air column is bent and formed through the bending node 10, the first inner wall 3 and the second inner wall 4 are arranged in the first outer wall 1 and the second outer wall 2. The second inner wall 4 is connected with the tail end of the first inner wall 3 through a head-tail heat sealing line 14, and a V-shaped included angle is formed between the first inner wall 3 and the second inner wall 4. The connecting edges of the first outer wall 1, the first inner wall 3, the second inner wall 4 and the second outer wall 2 are connected through four-wall heat sealing lines 6, and finally a V-shaped protection space is formed.

During packaging, the first outer wall 1, the second inner wall 4 and the side wall 5 are directly attached to the packaging box, and the V-shaped area formed by the first inner wall 3 and the second inner wall 4 is attached to the corner area of the television.

It should be noted that there are two different assembling ways according to the transportation environment, such as fig. 2 and 3, the four-wall heat-sealing line 6 is upward in fig. 2, and the four-wall heat-sealing line 6 is at the side in fig. 3.

By applying the technical scheme provided by the embodiment of the utility model, the problems of easy damage, scrap falling, environmental pollution, high transportation cost and the like of the traditional foam are solved, the V-shaped corner protection buffer air column bag is easy to form, and the production cost is low; 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.

On the basis of the above specific embodiment, the included angle between the first outer wall 1 and the second outer wall 2 and the side wall 5 is 90 degrees, that is, the first outer wall 1 and the second outer wall 2 are perpendicular to the side wall 5, the shape of the V-shaped corner protection buffer gas column bag is regular, and during packaging, the first outer wall 1, the second outer wall 2 and the side wall 5 are attached to an outer packaging box, so that the buffer gas 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 5, which is a preferred embodiment, and not exclusive, the first and second outer walls 1 and 2 may not be perpendicular to the side wall 5, and may be slightly greater than 90 degrees or less than 90 degrees. The contained angle of first outer wall 1 and first inner wall 3 and second outer wall 2 and second inner wall 4 is less than 60 degrees, when installing in the packing box, and the both sides of packing box press from both sides tight first outer wall 1, second outer wall 2, and closely laminating, first outer wall 1, second outer wall 2 press from both sides tight article, reduce first outer wall 1, second outer wall 2 and article and control and rock in the packing box, protect article better.

Preferably, the outer wall and the inner wall of the two sides are respectively symmetrical about the side wall 5, namely the two sides of the V-shaped protection space are symmetrical, the V-shaped area is symmetrically attached to the corner area of the television, the stress is uniform, and the stability is good.

Further optimize above-mentioned technical scheme, the terminal gas column of first inner wall 3, second inner wall 4 all extends there is the film, and the film of both sides passes through end heat seal line 14 and connects, and the film of both sides forms hammock 16 between first inner wall 3, second inner wall 4, and the gas column that is exactly first inner wall 3 and second inner wall 4 and the end heat seal line 14 of connecting two inner walls have a short segment distance, call hammock 16. During transportation, the V-shaped area formed by the two inner walls is attached to the corner area on the television, and the hammock 16 at the joint of the two inner walls is in contact with the edge of the television, so that the phenomenon of air leakage caused by scratching the air column by the edge is avoided, and a good buffering and damping effect is achieved when the hammock falls off.

Preferably, the hammock 16 is spaced from the side wall 5 by a distance of about any value between 20-100mm, inclusive, to prevent collision between the hammock 16 and the side wall 5.

In another more reliable embodiment, on the basis of any one of the above embodiments, the first outer wall 1 and the first inner wall 3 and the second outer wall 2 and the second inner wall 4 are connected by two rows of bending nodes 10 with set intervals, and corner air columns 7 are formed at the two rows of bending nodes 10, so that the air columns of the inner wall 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 10 is not limited, and depends on the column diameter.

With the V-shaped corner protector cushion air column bag in each of the above embodiments, the four-wall heat-seal line 6 is heat-sealed at the edges of the first outer wall 1, the first inner wall 3, the second inner wall 4, and the second outer wall 2 by a set length and forms the heat-seal land 18.

Specifically, the left or right edges of the first outer wall 1, the first inner wall 3, the second inner wall 4, and the second outer wall 2 have a column of non-inlet air, and the four-wall heat-seal line 6 is heat-sealed in an area where the four-wall edges do not have the column of inlet air, which is referred to as a heat-seal area 18. The heat-seal lands 18 increase the heat-seal area and increase the heat-seal strength.

The heat-sealing area 18 is the heat-sealing position of the four-wall heat-sealing line 6, as shown in fig. 5, the design of no air intake is carried out on the secondary outside reserved air column 13, and the heat-sealing area 18 is composed of a first trapezoidal closed space 201 with the length slightly smaller than the longitudinal air column sealing line and the set width, two second trapezoidal closed spaces 202 with certain length and width, and a third trapezoidal closed space 203; the combined design of the first trapezoidal closed space 201, the second trapezoidal closed space 202 and the third trapezoidal closed space 203 facilitates the processing of production equipment, and the heat sealing line can be accurately printed in the heat sealing area 18 without affecting the gas columns of the first outer wall 1, the first inner wall 3, the second inner wall 4 and the second outer wall 2.

It should be noted that the four-wall heat-seal line 6 has a certain length, and the heat-seal area 18 has a certain area, so that the length of the four-wall heat-seal line 6 and the area of the heat-seal area 18 are not limited when the transportation requirement that the product can still be connected with the four walls when being impacted and vibrated is met.

Further optimize above-mentioned technical scheme, the edge of first outer wall 1, first inner wall 3, second inner wall 4 and second outer wall 2 has the reservation gas post, for example set up the outside and reserve gas post 12 and inferior outside and reserve two reservation gas posts of gas post 13, the outside that gas post 12 was reserved to the outside has remaining hypotenuse 17, heat-seal zone 18 is located inferior outside and reserves gas post 13 in, reserve the gas post and can strengthen the intensity of the corner of the television and the contact department of four walls heat seal line 6, avoid when the transportation, external impact causes the corner directly to tear the heat seal line.

On the basis of the above specific embodiment, the first outer wall 1, the first inner wall 3, the second inner wall 4, the second outer wall 2 and the side wall 5 have the box corner easy-folding area 9, preferably, the box corner easy-folding area 9 is located on the air column at the left edge or the right edge of the first outer wall 1, the first inner wall 3, the second inner wall 4, the second outer wall 2 and the side wall 5, and is located at the same edge as the four-wall heat-seal line 6, for example, is located at the reserved air column. The box corner easy-to-fold area 9 is realized by that air does not enter one or more air columns, the hatched areas in the drawing are all air-not-entered, the box corner easy-to-fold area 9 is designed to be air-closed by the secondary outside reserved air column 13 and the outermost side reserved air column 12 shown in fig. 5, and comprises a fourth trapezoidal closed space 204 with a length slightly smaller than the longitudinal sealing line of the column and a certain width, a fifth trapezoidal closed space 205 which is positioned on the side wall 5 and has the same length as the side wall 5, and a sixth trapezoidal closed space 206 which is positioned on the side wall 5 and has the same length as the side wall 5. The box corner easy-to-fold area 9 is used for changing the column diameter of the edge gas column on each wall, so that the shape of the heat-sealing end is regular and is attached to the box corner, and the deformation of the packaging box cannot be caused.

Because the V-shaped corner protection buffering air column bag is not perpendicular to the side wall 5 after being inflated and formed, the V-shaped corner protection buffering air column bag is difficult to be arranged in a rectangular space of the packing box, and if the V-shaped corner protection buffering air column bag is arranged in two outer walls by force, the front paper board and the back paper board of the packing box are extruded, so that the packing box is deformed. Therefore, the air column easy-folding areas 8 are arranged on the air columns of the first outer wall 1, the first inner wall 3, the second inner wall 4 and the second outer wall 2, so that the four walls are more regular in shape and are easy to fold into the packing box.

The air column easy-to-break area 8 is realized by that air does not enter one or more air columns, the air column easy-to-break area 8 of the V-shaped corner protection buffering air column bag is positioned at the same position of the first outer wall 1, the first inner wall 3, the second inner wall 4 and the second outer wall 2 and generally consists of 2 or 4 trapezoidal closed spaces without air entering, the length of each trapezoid is designed according to the situation, and the width of each trapezoid cannot exceed 1/2 of the column diameter generally.

The easy 8 flexibility that has strengthened this V type angle bead buffering air column bag in district of gas column, the angle of two outer walls and lateral wall 5 just can become 90 degrees through inside extrusion, makes it change pack into in the packing box and can not lead to the packing box to warp by outer bullet to influence the cushion strength of whole packing.

The utility model provides a V type angle bead buffering gas column bag under the unchangeable condition of other parts, is equipped with box attacker district 11 on lateral wall 5, and box attacker district 11 is located lateral wall 5, carries out the design of not admitting air to continuous 3-4 gas columns on the lateral wall 5, avoids the attacker of packing box, makes things convenient for V type angle bead buffering gas column bag to get from the packing box in and puts. The shape, total length and total width of the box body fastener area 11 are determined according to the positions, sizes and other factors of the package box fasteners, and if the outer package box has no fasteners, the V-shaped corner protection buffer air column bag has no area.

On the basis of any one of the above-mentioned embodiments, first outer wall 1 and first inner wall 3 are connected at location line 21, second inner wall 4 and second outer wall 2 are connected at location line 21, make it two liang of continuous earlier, first outer wall 1 after two liang of continuous, first inner wall 3, second inner wall 4 and second outer wall 2 rethread four walls heat seal line 6 are connected, it is more convenient to connect, easy to operate, location line 21 can make the protection area bigger, the buffering effect is better, pleasing to the eye degree is higher.

Of course, the first inner wall 3 and the second inner wall 4 may be connected at the positioning line 21, and then the first outer wall 1, the first inner wall 3, the second inner wall 4, and the second outer wall 2 may be connected by the four-wall heat-sealing line 6.

Those skilled in the art can change the above embodiments according to different situations, the planar heat sealing line heat-seals the film, the air columns are separated by the planar heat sealing line to form n air columns, and the column diameters of the air columns may be the same or different. The length of gas column, the column footpath of gas column, the shape of gas column and the quantity of gas column are unrestricted, can confirm by oneself according to the specification of articles such as TV set, all are the utility model discloses an in 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. 9 and 10. The flat heat seal line in fig. 9 includes a first transverse seal line a1, a second transverse seal line a2, and a fourth transverse seal line a4, which form a main air passage mainly 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. 10 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 21 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 multi-wall structure is formed by bending; and if some heat-sealing lines and longitudinal sealing lines are designed to form a closed space, air is not introduced into the closed space, so that the column diameter is changed, and some special functions such as a box body handle area 11, an air column easy-folding area 8, a heat-sealing area 18 and a box corner easy-folding area 9 in the V-shaped corner protection buffering air column bag are met.

The airtight space is formed by the following method: the 1 air column is formed by separating 2 air column longitudinal sealing lines 22, the non-air-intake area is a shadow part shown in figure 11, namely, a heat-sealing line 23 parallel to the air column longitudinal sealing line 22 is additionally arranged in one air column, the longitudinal sealing line 22 of one air column is overlapped through 2 oblique short lines 24 to form a trapezoidal or rectangular closed space, and N straight short lines are further arranged in the closed space to strengthen the overlapping of the heat-sealing line and the longitudinal sealing line. Preferably, the line intersections are rounded.

The manufacturing method of the V-shaped corner protection buffer air column bag comprises the following steps:

s100, processing a layer of planar thin film through a die;

s200, processing a plane heat sealing line and three groups of bending nodes on the plane thin film through mechanical equipment, wherein the middle of each group of bending nodes is a folding line;

s300, folding inwards along a first folding line 191 through a folding machine, and performing head-to-tail heat sealing connection at a head-to-tail heat sealing line 14 to form two layers of films;

s400, folding inwards along a second folding line 192 and a third folding line 193 respectively through a folding machine, and performing heat sealing connection at a four-wall heat sealing line 6 to form four layers of films;

and S500, inflating at the inflating port 15.

Two folds and two heat seals are made by a folder, folded inwardly along the first fold line 191 of fig. 7 and heat sealed end to present a two layer film with the effect of fig. 9, and then folded inwardly along the second fold line 192 of fig. 7 along the third fold line 193 and heat sealed the four wall heat seal line 6 to present a four layer film with the effect of fig. 10. Fig. 11 is a simplified view after inflation.

Preferably, some non-air inlet areas, such as black filled portions in the figure, can also be processed on the planar film. The V-shaped corner protection buffer air column bag can also be provided with a box body handle area 11, an air column easy-folding area 8, a heat-sealing area 18 and a box corner easy-folding area 9 as shown in figure 7.

It should be noted that the size of a single bending node 10 depends on the size of the column diameter, and preferably, every two rows of bending nodes 10 with a certain distance are in a group, and are uniformly and centrally distributed in n column diameters to form one row. The first row of bending nodes and the second row of bending nodes form a corner gas column 7, the third row of bending nodes and the fourth row of bending nodes form a side wall 5, and the fifth row of bending nodes and the sixth row of bending nodes form a corner gas column 7.

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.

It is right above that the utility model provides a V type angle bead buffering gas column bag has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims. 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 (10)

1. A V-shaped corner protection buffering air column bag is characterized by comprising a first outer wall (1), a first inner wall (3), a second inner wall (4), a second outer wall (2) and a side wall (5) which are all provided with a plurality of air columns, the length of the gas columns of the first inner wall (3) and the second inner wall (4) is shorter than that of the gas columns of the first outer wall (1) and the second outer wall (2), the first outer wall (1), the second outer wall (2) and the side wall (5), the first outer wall (1) and the first inner wall (3) and the second outer wall (2) and the second inner wall (4) are connected in a bending way through bending nodes (10), the tail ends of the second inner wall (4) and the first inner wall (3) are connected through a head-tail heat sealing line (14), the connecting edges of the first outer wall (1), the first inner wall (3), the second inner wall (4) and the second outer wall (2) are connected through a four-wall heat sealing line (6).

2. The V-shaped corner protection buffer air column bag according to claim 1, wherein the included angle between the first outer wall (1) and the side wall (5) and the included angle between the second outer wall (2) and the side wall (5) are 90 degrees, and the included angle between the first outer wall (1) and the first inner wall (3) and the included angle between the second outer wall (2) and the second inner wall (4) are less than 60 degrees.

3. The V-shaped corner protection buffer air column bag according to claim 1, wherein the tail end air columns of the first inner wall (3) and the second inner wall (4) are extended with films, the films on the two sides are connected through a head-to-tail heat sealing line (14) to form a hammock (16), and a set distance is reserved between the hammock (16) and the side wall (5).

4. The V-shaped corner protection buffer air column bag according to claim 1, wherein the first outer wall (1) and the first inner wall (3) and the second outer wall (2) and the second inner wall (4) are connected through two rows of bending nodes (10) with set intervals, and corner air columns (7) are formed at the two rows of bending nodes (10).

5. The V-shaped corner bead cushion air column bag according to claim 2, wherein the four-wall heat-seal line (6) is heat-sealed at the edges of the first outer wall (1), first inner wall (3), second inner wall (4) and second outer wall (2) by a set length and forms a heat-seal zone (18).

6. The V-shaped corner protection buffer air column bag according to claim 5, wherein the edges of the first outer wall (1), the first inner wall (3), the second inner wall (4) and the second outer wall (2) are provided with reserved air columns, and the heat sealing area (18) is positioned in the secondary outer reserved air column (13).

7. The V-shaped corner protection buffer air column bag according to claim 6, wherein the first outer wall (1), the first inner wall (3), the second inner wall (4), the second outer wall (2) and the side wall (5) are provided with box corner easy-folding areas (9) for changing the column diameter of the reserved air column at the reserved air column.

8. The V-shaped corner protection buffer air column bag according to claim 2, wherein the first outer wall (1), the first inner wall (3), the second inner wall (4) and the second outer wall (2) are provided with air column easy-to-break areas (8).

9. The V-shaped corner protection buffer air column bag according to claim 2, wherein a box body buckle area (11) is arranged on the side wall (5).

10. The V-shaped corner protection buffer air column bag according to claim 1, wherein the first outer wall (1) and the first inner wall (3) and the second inner wall (4) and the second outer wall (2) are connected two by two at a positioning line (21), respectively;

or the first inner wall (3) and the second inner wall (4) are connected at a positioning line (21).

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