CN218949743U - Packing box board folding structure capable of folding two kinds of packing boxes - Google Patents

Abstract

The folding structure of the packaging box plate capable of folding two packaging boxes comprises a folding main plate and a folding side plate which are integrally formed, wherein a folding line is arranged between the folding main plate and the folding side plate, and the folding main plate comprises a first folding plate, a second folding plate, a third folding plate, a fourth folding plate, a fifth folding plate, a sixth folding plate, a seventh folding plate and an eighth folding plate which are sequentially connected end to end; the two sides of the folding main board are respectively provided with a folding side board, and the folding side board comprises a folding outer side board, a bottom folding reinforcing board and a folding inner side board which are sequentially connected end to end; the packaging box plate can be folded into two packaging boxes with different sizes, can be suitable for packaging products with more sizes or products with larger number span, can greatly reduce the types and the number of the spare, the replenishment and the storage of the packaging boxes, and effectively reduces the workload of product packaging links; the packaged product can be better protected, the sealing performance of the box body is good, and the attractiveness and the privacy are guaranteed.

Description

Packing box board folding structure capable of folding two kinds of packing boxes

Technical Field

The utility model relates to the field of packaging, in particular to a packaging box plate folding structure capable of folding two packaging boxes.

Background

The packaging is indispensable in product commodity circulation and the sales process, and the packing box not only can protect the product from damaging, and the packing box of size unification, neat stack is also convenient for commodity circulation moreover.

When packing different sizes of products, the packing boxes with different sizes are required to be used for packing, in general, manufacturers prepare packing box boards with various sizes to fold into the packing boxes with different sizes, but when the types of products are more, the types of the packing box boards which are required to be prepared in advance are more, the consumption of each packing box board is often different, and the stock preparation, the replenishment and the storage of the packing boxes are complicated.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a packing box plate folding structure capable of folding two sizes of packing boxes, wherein the packing boxes with two sizes can be folded by using the packing box plates with the same size, so that the demand on the stock types of the packing boxes can be greatly reduced, and the workload of a product packing link is reduced.

The utility model is realized by the following technical scheme:

can fold packing box board beta structure of two kinds of packing boxes, its characterized in that: the packaging box board comprises a folding main board and a folding side board which are integrally formed, and a folding line is arranged between the folding main board and the folding side board, wherein:

the folding main board comprises a first folding board, a second folding board, a third folding board, a fourth folding board, a fifth folding board, a sixth folding board, a seventh folding board and an eighth folding board which are connected end to end in sequence, and folding lines are arranged among the 8 folding boards;

folding side plates are respectively arranged on two sides of the folding main board, each folding side plate comprises a folding outer side plate, a bottom folding reinforcing plate and a folding inner side plate which are sequentially connected end to end, and folding lines are arranged between the 3 folding plates;

the folding outer side plate is arranged at two sides of the third folding plate, the fourth folding plate and the fifth folding plate, and a seventh folding line and an eighth folding line are arranged on the folding outer side plate corresponding to folding lines among the third folding plate, the fourth folding plate and the fifth folding plate; a fourth folding line is extended outwards in an inclined direction towards the head of the folding main board at the intersection of the seventh folding line and the folding main board, a fifth folding line is extended outwards in an inclined direction towards the head of the folding main board at the intersection of the eighth folding line and the folding main board, and the fourth folding line and the fifth folding line divide the folding outer board into a first folding outer board, a second folding outer board and a third folding outer board in sequence;

the bottom folding reinforcing plates are arranged on two sides of the sixth folding plate, one side of the two bottom folding reinforcing plates, which is opposite to the other side, is a concave side, the concave bottom of the bottom folding reinforcing plates stretches out a first reinforcing plate folding line and a second reinforcing plate folding line towards two ends of one side, which is opposite to the two bottom folding reinforcing plates, and the bottom folding reinforcing plates are sequentially divided into a first reinforcing plate, a second reinforcing plate and a third reinforcing plate by the first reinforcing plate folding line and the second reinforcing plate folding line;

the folding inner side plates are arranged on two sides of the seventh folding plate and the eighth folding plate, a ninth folding line is arranged on the folding inner side plates corresponding to the folding line between the seventh folding plate and the eighth folding plate, the intersection of the ninth folding line and the folding main plate obliquely extends out towards the tail of the folding main plate, and the tenth folding line and the ninth folding line divide the folding inner side plates into a first folding inner side plate, a second folding inner side plate and a third folding inner side plate in sequence.

The first folding packaging mode is as follows:

the method comprises the steps that a first step of pressing two second reinforcing plates towards a sixth folding plate from left to right simultaneously to enable the second reinforcing plates, the first reinforcing plates and the third reinforcing plates on two sides to be sequentially stacked from bottom to top along folding lines between the first reinforcing plates and the third reinforcing plates and cling to the sixth folding plate, at the moment, folding inner side plates and folding outer side plates on two sides are respectively folded back and forth to be perpendicular to the sixth folding plate and are respectively stacked inside and outside to form left side plates and right side plates by pulling, meanwhile, the seventh folding plate and the eighth folding plate are integrally pulled to be turned forward and upwards to be perpendicular to the sixth folding plate to form a front side plate, and a bottom plate is formed by the sixth folding plate and the bottom folding reinforcing plates stacked on the sixth folding plate;

a second step of pressing a fourth folding line inwards left and right simultaneously to enable other parts of the folding outer side plate above the first folding outer side plate and the seventh folding line to be folded inwards to be horizontally stacked along the fourth folding line, at the moment, the first folding plate, the second folding plate and the third folding plate are integrally pulled to be overturned forwards and downwards, the second folding plate and the third folding plate form an upper cover plate, and the fourth folding plate and the fifth folding plate form a rear side plate;

and thirdly, independently pressing down the first folding plate to cover the front side plate and fix the first folding plate, thus completing folding packaging of the packaging box plate.

The second folding packaging mode is as follows:

the first step is the same as the first step of the first folding packaging mode;

the second step, the eighth folding plate is pressed backwards along the tenth folding line from left to right, so that the third folding inner side plate and the second folding inner side plate are folded downwards along the tenth folding line to be horizontally stacked up and down, and the eighth folding plate is horizontally covered above the third folding inner side plate and the second folding inner side plate;

a third step of pressing a fifth folding line inwards left and right simultaneously to enable the first folding outer side plate, the second folding outer side plate as a whole and a third folding outer side plate above an eighth folding line to be folded inwards to be horizontally stacked along the fifth folding line, at the moment, the first folding plate, the second folding plate, the third folding plate and the fourth folding plate as a whole are pulled to be overturned downwards forwards, the third folding plate and the fourth folding plate form an upper cover plate, and the fifth folding plate forms a rear side plate;

and fourthly, pressing down the first folding plate and the second folding plate to enable the second folding plate to be covered on the seventh folding plate, and then turning back the first folding plate to enable the first folding plate to be tightly attached to the bottom of the sixth folding plate and fixed, so that folding and packaging of the packaging box plate are completed.

The two folding modes can utilize the folding result of one packing box plate to realize the folding molding of two kinds of packing boxes with the same length and width dimensions and different height dimensions of the box bottom, so that the single-dimension packing box plate structure can be suitable for packing multi-dimension products or different quantities of products, and manufacturers can greatly reduce the stock, replenishment and storage types and quantity of the packing boxes, and effectively reduce the workload of product packing links; in addition, for retailers taking stores as production and sales places, the occupation of limited operation places can be reduced by reducing the types and the quantity of spare goods of the packaging boxes; meanwhile, the folding step of the packing box is simpler, the folding and the forming are easy, and the workload of packing products can be further reduced; finally, the left side and the right side of the folded upper cover plate and the bottom plate are respectively provided with a support with the thickness of 2-5 layers, so that the overall strength and the rigidity of the box body are greatly enhanced, and the product can be better protected.

Further, the two sides of the first folding plate are respectively connected with a case sealing adhesive plate through folding lines, and the first folding plate is provided with case opening tearing lines which can enable the case sealing adhesive plate to be separated from the packaging case when being torn. The box sealing bonding plate is firmly bonded on the box body by utilizing double-sided adhesive tape, glue and the like, the box sealing operation after the product is packaged is completed, the box is torn along a box opening tearing line when the box is opened, the first folding plate is disconnected with the box sealing bonding plate, and the cover plate of the packing box can be opened at the moment.

Still further, the case unpacking tear lines on two sides of the first folding plate are arc lines/oblique lines/folding lines formed from the first folding plate head side to the bottom side of the case sealing bonding plate, or the case unpacking tear lines are arc lines/oblique lines/folding lines formed from the first folding plate head side to the end of the bottom side. The arc line is better torn, and the first folding plate is not easy to tear.

Still further, the joint sealing adhesive plate internal surface is equipped with the viscose layer, and the viscose layer covers from the layer. When the case is sealed, the release layer is torn, the case sealing adhesive plate can be pressed to be clung to the outside of the packaging case to finish case sealing, so that the packaging is more time-saving and labor-saving.

Further, a concave notch is formed in the folding outer side plate of the extending end of the fifth folding line, and the extending end of the fifth folding line is intersected with the deepest part of the concave notch. The design of the concave notch is convenient for the rapid folding and forming of the packaging box plate.

Further, the concave side of the bottom folding reinforcing plate comprises a first inclined edge opposite to the folding line of the first reinforcing plate and a second inclined edge opposite to the folding line of the second reinforcing plate, and the first inclined edge and/or the second inclined edge are concave curves or concave folding lines, so that the bottom folding reinforcing plate is prevented from being interfered with each other.

Still further, the contained angle of first reinforcing plate folding line, second reinforcing plate folding line and folding mainboard is 45, and the contained angle of connecting line and folding outer panel between the hypotenuse both ends is 45, and the contained angle of connecting line and folding inner panel is 45 between the second hypotenuse both ends. The bottom folding reinforcing plate can be completely overlapped after being folded, and the part exposed outside the box body is avoided, so that the sealing performance is good, and the appearance is more attractive.

Further, the second folding plate, the third folding plate, the fourth folding plate, the fifth folding plate, the seventh folding plate, and the eighth folding plate have the same width, and the sixth folding plate has a width twice the width of the above-mentioned sheet folding plate. The length and width dimensions of the bottom of the two packing boxes are the same, and the height dimension of the box is multiplied.

Further, the included angles between the fourth folding line, the fifth folding line and the tenth folding line and the folding main board are 45 degrees. The overlapped parts of the folded box plates can be completely overlapped, no exposure exists, the tightness is good, and the appearance is more attractive.

Further, the fourth fold line, the fifth fold line, the first reinforcing plate fold line, the second reinforcing plate fold line, and the tenth fold line are knife-tooth fold lines. The tooth knife-shaped folding line is more convenient and labor-saving to fold.

The utility model has the beneficial effects that:

1. the structure of the size packing box plate can be folded into two packing boxes with different sizes, so that the structure can be suitable for packing products with more sizes or products with larger number span, and manufacturers can greatly reduce the types and the number of the spare, the replenishment and the storage of the packing boxes, and effectively reduce the workload of product packing links;

2. for retailers taking stores as production and sales places, occupation of limited operation places can be reduced, and operation cost is reduced;

3. the folding steps of the packing box are simple, the packing box is easy to fold and form, and the workload of packing products can be further reduced;

4. the left side and the right side of the folded upper cover plate and the bottom plate are respectively provided with a support with the thickness of 2-5 layers, so that the overall strength and the rigidity of the box body are greatly enhanced, and the packaged products can be better protected.

5. The sealing adhesive plate and the unpacking tear line are convenient for sealing and unpacking operations and can also play a role in anti-theft warning.

6. Whatever folding structure, the sealing performance of the box body is good, no gap or opening exists at the edge of the box body, and the attractiveness and privacy are ensured.

Drawings

FIG. 1 is a schematic view of a plate structure according to a preferred embodiment of the present utility model

FIGS. 2-4 are schematic views of a folding step of the package board of FIG. 1, wherein FIG. 2 omits a portion of the seventh folding board, the eighth folding board

FIGS. 5-9 are schematic views of another folding step of the packaging box panel of FIG. 1, wherein FIG. 6 omits the seventh folding panel, the eighth folding panel and the folding outer side panel of FIG. 5

FIG. 10 is a schematic view of another preferred embodiment of a plate structure

In fig. 1 to 10: 1 is a first folding plate, 2 is a second folding plate, 3 is a third folding plate, 4 is a fourth folding plate, 5 is a fifth folding plate, 6 is a sixth folding plate, 7 is a seventh folding plate, 8 is an eighth folding plate, 9 is a box sealing adhesive plate, 10 is a folding outer plate, 101 is a first folding outer plate, 102 is a second folding outer plate, 103 is a third folding outer plate, 104 is a fourth folding line, 105 is a fifth folding line, 106 is a concave notch, 107 is a seventh folding line, 108 is an eighth folding line, 11 is a bottom folding reinforcing plate, 111 is a first reinforcing plate folding line, 112 is a second reinforcing plate folding line, 113 is a first oblique edge, 114 is a second oblique edge, 115 is a first reinforcing plate, 116 is a second reinforcing plate, 117 is a third reinforcing plate, 12 is a folding inner plate, 120 is a tenth folding line, 121 is a first folding inner plate, 122 is a second folding inner plate, 123 is a third folding inner plate, 129 is a ninth folding inner plate, and 13 is a box tearing line.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The packing box board panel structure as shown in fig. 1 and 10 comprises a folding main board and a folding side board which are integrally formed, wherein a folding line is arranged between the folding main board and the folding side board.

In this embodiment, the folding main board comprises a first folding board 1, a second folding board 2, a third folding board 3, a fourth folding board 4, a fifth folding board 5, a sixth folding board 6, a seventh folding board 7 and an eighth folding board 8 which are connected from top to bottom in sequence, and folding lines along the length direction of the box body are arranged between the 8 folding boards. The second to fifth folding plates 2 to 5, the seventh folding plate 7 and the eighth folding plate 8 have the same width, and the sixth folding plate 6 has a width twice as wide as the 6 folding plates.

The two sides of the first folding plate 1 are respectively connected with the case sealing adhesive plate 9 through folding lines, the first folding plate 1 is provided with case opening tear lines 13 which can enable the case sealing adhesive plate 9 to be separated from the packaging case when tearing, the case opening tear lines 13 in fig. 1 are relatively protruding arcs formed from the first folding plate 1 head side to the bottom side of the case sealing adhesive plate 9, two different case opening tear lines 13 are formed in two sides of the first folding plate 1 in fig. 10, the left side embodiment is a diagonal line formed from the first folding plate 1 head side to the bottom side end, the right side embodiment is a diagonal line formed from the first folding plate 1 head side to the bottom side of the case sealing adhesive plate 9, in addition, an adhesive layer can be arranged on the inner surface of the case sealing adhesive plate 9, and the release layer is covered on the adhesive layer, so that the case sealing is convenient.

Folding side plates are respectively arranged on two sides of the folding main board, each folding side plate comprises a folding outer side plate 10, a bottom folding reinforcing plate 11 and a folding inner side plate 12 which are sequentially connected from top to bottom, and folding lines corresponding to the folding lines between the second folding plate 2 and the eighth folding plate 8 are arranged between the 3 folding plates.

The folding outer side plate 10 is arranged on two sides of the third folding plate 3, the fourth folding plate 4 and the fifth folding plate 5, and a seventh folding line 107 and an eighth folding line 108 are arranged on the folding outer side plate 10 corresponding to folding lines among the third folding plate 3, the fourth folding plate 4 and the fifth folding plate 5; a fourth folding line 104 extends outwards obliquely towards the head of the folding main board at the intersection of the seventh folding line 107 and the folding main board, a fifth folding line 105 extends outwards obliquely towards the head of the folding main board at the intersection of the eighth folding line 108 and the folding main board, and the fourth folding line 104 and the fifth folding line 105 divide the folding outer side board 10 into a first folding outer side board 101, a second folding outer side board 102 and a third folding outer side board 103 in sequence; the fourth 104 and fifth 105 fold lines form an angle of 45 ° with the folding main panel; for convenience in folding, in fig. 1 and 10, the folding outer side plate 10 at the extending end of the fifth folding line 105 is provided with a concave notch 106, the concave notch 106 in fig. 1 is a right-angle notch, in fig. 10, the concave notch 106 on the left side is an acute angle notch formed by intersecting two arc lines, the concave notch 106 on the right side is an obtuse angle notch, and the extending end of the fifth folding line 105 is intersected with the corner bottom of the concave notch 106.

The bottom folding reinforcing plates 11 are arranged at two sides of the sixth folding plate 6, one side of the two bottom folding reinforcing plates 11 opposite to each other is a concave side, in fig. 1 and 10, the concave sides comprise a first inclined edge 113 and a second inclined edge 114, in fig. 1, the first inclined edge 113 is a concave curve, in fig. 10, the first inclined edge 113 is a concave fold line, and the second inclined edge 114 is a concave curve; the concave bottom of the concave side of the bottom folding reinforcing plate 11 extends out of the first reinforcing plate folding line 111 and the second reinforcing plate folding line 112 toward both ends of the opposite side of the two bottom folding reinforcing plates 11, and the first reinforcing plate folding line 111 and the second reinforcing plate folding line 112 divide the bottom folding reinforcing plate 11 into a first reinforcing plate 115, a second reinforcing plate 116 and a third reinforcing plate 117 in order. In fig. 1 and 10, the first reinforcing plate folding line 111 and the second reinforcing plate folding line 112 have an angle of 45 ° with the folding main board, the angle between the connecting line of the two ends of the first oblique side 113 and the folding outer board 10 is 45 °, and the angle between the connecting line of the two ends of the second oblique side 114 and the folding inner board 12 is 45 °.

The folding inner side plate 12 is arranged at two sides of the seventh folding plate 7 and the eighth folding plate 8, a ninth folding line 129 is arranged on the folding inner side plate 12 corresponding to a folding line between the seventh folding plate 7 and the eighth folding plate 8, a tenth folding line 120 is extended outwards obliquely towards the tail of the folding main plate at the intersection of the ninth folding line 129 and the folding main plate, and the folding inner side plate 12 is divided into a first folding inner side plate 121, a second folding inner side plate 122 and a third folding inner side plate 123 by the ninth folding line 129 and the tenth folding line 120 in sequence; the tenth fold line 120 is at an angle of 45 ° to the folding main panel.

The fourth fold line 104, the fifth fold line 105, the first reinforcing panel fold line 111, the second reinforcing panel fold line 112, and the tenth fold line 120 are knife-tooth fold lines.

Fig. 2 to 4 show a first folding and packing method of the present packing box board:

the first step, pressing two second reinforcing plates 116 towards the sixth folding plate 6 from left to right, so that the second reinforcing plates 116, the first reinforcing plates 115 and the third reinforcing plates 117 on two sides are sequentially stacked from bottom to top along folding lines among the two reinforcing plates and are closely attached to the sixth folding plate 6, at this time, the folding inner side plates 12 and the folding outer side plates 10 on two sides are pulled to be respectively folded back and forth to be perpendicular to the sixth folding plate 6 and are stacked inside and outside to form left and right side plates, at the same time, the seventh folding plate 7 and the eighth folding plate 8 are integrally pulled to be turned back and forth to be perpendicular to the sixth folding plate 6 to form a front side plate, and the sixth folding plate 6 and the bottom folding reinforcing plates 11 stacked on the sixth folding plate 6 form a bottom plate, as shown in fig. 2;

a second step of pressing the fourth folding line 104 in the direction of the arrow in fig. 2, and simultaneously, pressing the other parts of the folding outer panel 10 above the first folding outer panel 101 and the seventh folding line 107 inwardly along the fourth folding line 104 to be folded horizontally, wherein the first folding plate 1, the second folding plate 2 and the third folding plate 3 are integrally pulled to turn forward and downward, the second folding plate 2 and the third folding plate 3 form an upper cover plate, and the fourth folding plate 4 and the fifth folding plate 5 form a rear side plate, as shown in fig. 3;

third, the first folding plate 1 is individually pressed down to be covered on the front side plate and fixed, and the folding package of the packing box plate is completed as shown in fig. 3 and 4.

When the box is opened, the first folding plate 1 is torn from bottom to top along the box opening tear line 13, the connection between the first folding plate and the packaging box body is disconnected, and the box cover can be opened.

Fig. 5 to 9 show a second folding and packing method of the present packing box board:

the first step, shown in figure 2, is the same as the first step of the first folding packaging mode;

a second step of pressing the eighth folding plate 8 backward along the tenth folding line 120 in the left-right direction simultaneously, so that the third folded inner side plate 123 and the second folded inner side plate 122 are folded down along the tenth folding line 120 to be horizontally stacked up and down, and the eighth folding plate 8 is horizontally covered above the third folded inner side plate 123 and the second folded inner side plate 122 at this time, as shown in fig. 5 and 6;

a third step of pressing the fifth folding line 105 inward in the direction of the arrow in fig. 5, so that the first folding outer side plate 101, the second folding outer side plate 102 as a whole, and the third folding outer side plate 103 above the eighth folding line 108 are folded inward along the fifth folding line 105 to be horizontally stacked, at this time, the first folding plate 1, the second folding plate 2, the third folding plate 3, and the fourth folding plate 4 as a whole are pulled to be turned forward and downward, the third folding plate 3 and the fourth folding plate 4 form an upper cover plate, and the fifth folding plate 5 forms a rear side plate, as shown in fig. 7;

fourth, the first folding plate 1 and the second folding plate 2 are pressed down, the second folding plate 2 is covered on the seventh folding plate 7, and then the first folding plate 1 is folded back to be tightly attached to the bottom of the sixth folding plate 6 and fixed, so that the folding package of the package box plate is completed, as shown in fig. 8 and 9.

When the box is opened, the first folding plate 1 is torn from inside to outside along the box opening tear line 13, the connection between the first folding plate and the packaging box body is disconnected, and the box cover can be opened.

Claims (10)

1. Can fold packing box board beta structure of two kinds of packing boxes, its characterized in that: the packaging box board comprises a folding main board and a folding side board which are integrally formed, and a folding line is arranged between the folding main board and the folding side board, wherein:

the folding main board comprises a first folding board (1), a second folding board (2), a third folding board (3), a fourth folding board (4), a fifth folding board (5), a sixth folding board (6), a seventh folding board (7) and an eighth folding board (8) which are connected end to end in sequence, and folding lines are arranged among the 8 folding boards;

folding side plates are respectively arranged on two sides of the folding main board, each folding side plate comprises a folding outer side plate (10), a bottom folding reinforcing plate (11) and a folding inner side plate (12) which are sequentially connected end to end, and folding lines are arranged between the 3 folding plates;

the folding outer side plates (10) are arranged on two sides of the third folding plate (3), the fourth folding plate (4) and the fifth folding plate (5), and a seventh folding line (107) and an eighth folding line (108) are arranged on the folding outer side plates (10) corresponding to folding lines among the third folding plate (3), the fourth folding plate (4) and the fifth folding plate (5); a fourth folding line (104) is extended outwards obliquely towards the head of the folding main board at the intersection of the seventh folding line (107) and the folding main board, a fifth folding line (105) is extended outwards obliquely towards the head of the folding main board at the intersection of the eighth folding line (108) and the folding main board, and the fourth folding line (104) and the fifth folding line (105) divide the folding outer board (10) into a first folding outer board (101), a second folding outer board (102) and a third folding outer board (103) in sequence;

the bottom folding reinforcing plates (11) are arranged on two sides of the sixth folding plate (6), one side of the two bottom folding reinforcing plates (11) opposite to each other is a concave side, the concave bottoms of the bottom folding reinforcing plates extend out of a first reinforcing plate folding line (111) and a second reinforcing plate folding line (112) towards two ends of one side of the two bottom folding reinforcing plates (11) opposite to each other, and the bottom folding reinforcing plates (11) are sequentially divided into a first reinforcing plate (115), a second reinforcing plate (116) and a third reinforcing plate (117) by the first reinforcing plate folding line (111) and the second reinforcing plate folding line (112);

the folding inner side plates (12) are arranged on two sides of the seventh folding plate (7) and the eighth folding plate (8), a ninth folding line (129) is arranged on the folding inner side plates (12) corresponding to the folding line between the seventh folding plate (7) and the eighth folding plate (8), a tenth folding line (120) extends outwards obliquely towards the tail of the folding main plate at the intersection of the ninth folding line (129) and the folding main plate, and the folding inner side plates (12) are sequentially divided into a first folding inner side plate (121), a second folding inner side plate (122) and a third folding inner side plate (123) by the ninth folding line (129) and the tenth folding line (120).

2. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 1, wherein: the two sides of the first folding plate (1) are respectively connected with a case sealing adhesive plate (9) through folding lines, and the first folding plate (1) is provided with case opening tearing lines (13) which can enable the case sealing adhesive plate (9) to be separated from the packaging case when the case is torn.

3. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 2, wherein: the box opening tear lines (13) on two sides of the first folding plate (1) are arc lines/oblique lines/folding lines formed from the head side of the first folding plate (1) to the bottom side of the box sealing adhesive plate (9), or the box opening tear lines (13) are arc lines/oblique lines/folding lines formed from the head side of the first folding plate (1) to the end part of the bottom side.

4. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 2, wherein: the inner surface of the sealing case bonding plate (9) is provided with an adhesive layer, and the adhesive layer is covered with a release layer.

5. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 1, wherein: an inward concave notch (106) is formed in the folding outer side plate (10) at the extending end of the fifth folding line (105), and the extending end of the fifth folding line (105) is intersected with the deepest concave part of the inward concave notch (106).

6. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 1, wherein: the concave side of the bottom folding reinforcing plate (11) comprises a first inclined edge (113) opposite to the first reinforcing plate folding line (111), and a second inclined edge (114) opposite to the second reinforcing plate folding line (112), and the first inclined edge (113) and/or the second inclined edge (114) are concave curves or concave fold lines.

7. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 6, wherein: the included angles between the first reinforcing plate folding line (111) and the second reinforcing plate folding line (112) and the folding main board are 45 degrees, the included angle between the connecting line between the two ends of the first inclined edge (113) and the folding outer side board (10) is 45 degrees, and the included angle between the connecting line between the two ends of the second inclined edge (114) and the folding inner side board (12) is 45 degrees.

8. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 1, wherein: the second folding plate (2), the third folding plate (3), the fourth folding plate (4), the fifth folding plate (5), the seventh folding plate (7) and the eighth folding plate (8) have the same width, and the width of the sixth folding plate (6) is twice as wide as the width of the 6 folding plates.

9. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 1, wherein: the fourth folding line (104), the fifth folding line (105) and the tenth folding line (120) form an included angle of 45 degrees with the folding main board.

10. The packing box board folding structure capable of folding two kinds of packing boxes according to claim 1, wherein: the fourth fold line (104), the fifth fold line (105), the first reinforcement panel fold line (111), the second reinforcement panel fold line (112), and the tenth fold line (120) are knife-tooth fold lines.

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