TWM609869U - Package bag - Google Patents

Abstract

A packaging bag with the functions of a plate and a placemat at the same time, comprising: a bottom layer, four bag layers, a bag mouth and four tearing lines. The pockets respectively extend upward from the edge of the bottom layer and are connected to each other by side edges. The bag mouth is jointly defined by the bag layers and is opposite to the bottom layer. The tearing lines respectively extend downward from the mouth of the bag along the boundary line between the bag layers. Wherein, the bag opening is torn apart along the tear lines, and each bag layer can be folded outward. The bottom layer becomes a plane for users to contain food or other items, and each bag layer can be used for users to keep clean during meals, so as to prevent food debris from falling into the external environment.

Description

Packing bag

The present invention relates to a packaging bag, in particular to a packaging bag that has the functions of a plate and a placemat at the same time.

In the past, when consumers brought food out of fast-food restaurants and other restaurants, the store often used ordinary paper bags to pack food or drink in cups. When users wanted to enjoy the food, for the sake of hygiene during eating and easier cleaning after the meal, they usually need to The dishes are filled with purchased food and the placemats are placed under the food. After use, the dishes and placemats need to be cleaned, which is very inconvenient.

Therefore, the purpose of the present invention is to provide a packaging bag that has both the functions of a plate and a placemat.

Therefore, the new packaging bag includes a bottom layer, four bag layers, a bag mouth, and four tear lines.

The bottom layer includes four edges. The four pockets respectively extend upward from the edges of the bottom layer and are connected to each other by side edges. The bag mouth is jointly defined by the bag layers and is opposite to the bottom layer. The four tearing lines respectively extend downward from the mouth of the bag along the boundary line between the bag layers. Wherein, the bag opening is torn apart along the tear lines, and each bag layer can be folded outward.

In some embodiments, each bag layer includes a concave fold line spaced from the bottom edge of the bag layer, and a reserved line spaced from the concave fold line and located between the concave fold line and the bottom edge of the bag layer , A wall part located below the retention line, a reinforcement part between the retention line and the concave fold line, and a placemat part between the concave fold line and the top edge of the bag layer, the torn apart The lines respectively extend from the mouth of the bag along the boundary line between the bag layers to the retention lines, wherein, from the mouth of the bag to the retention lines along the tear lines, each After a bag layer is folded outward along the corresponding retention line, it is then concavely folded inward along the corresponding concave fold line, so that each wall part overlaps the corresponding reinforcement part, and each placemat part is expanded outward.

In some embodiments, the distance between each reserved line and the bottom edge of the corresponding bag layer is equal to the distance between each reserved line and the corresponding concave fold line.

In some embodiments, the packaging bag further includes a support frame unit that can be compressed into a flat shape. After the compressed support frame unit is placed on the bottom layer by the bag opening, the support frame unit can be supported. The shelf unit expands and defines at least one accommodating space for placing at least one article.

In some embodiments, the support frame unit includes an enclosure that can be compressed into a flat shape and a main partition. The enclosure has four side plates connected to each other by side edges; the main partition is disposed on the enclosure. The body is connected to two of the opposite side plates. The main partition has a main partition and two main connecting parts extending oppositely from the two end edges of the main partition. The main connecting parts are respectively connected to the two opposite side plates, wherein, After the compressed support frame unit is placed on the bottom layer by the bag opening, the support frame unit can be expanded to define a plurality of accommodating spaces.

In some embodiments, the support frame unit further includes two sub-partitions, each sub-partition has a sub-partition and two sub-connecting parts extending oppositely from the two end edges of the sub-partition, each sub-partition The secondary partition of the board is parallel to the other two opposite side panels, and the secondary connecting parts of each secondary partition are respectively connected to one side of the main partition and the corresponding side panel, and the support frame will be compressed by the bag mouth After the unit is placed on the bottom layer, the support frame unit can be expanded to define four accommodating spaces.

In some embodiments, the bag layers are divided into two main bag layers and two side bag layers, and the placemat portion of each main bag layer also has a first transverse fold line and a first transverse fold line below the first transverse fold line. A first folding area, and a second folding area between the first transverse fold line and the top edge, each first folding area forms at least one first lifting hole, and each second folding area forms At least one second lifting hole is arranged symmetrically to the first lifting hole with the first transverse fold line, and the placemat portion of each side bag layer also has a longitudinal fold line and a first fold line located on one side of the longitudinal fold line. The folding area, a second folding area located on the other side of the longitudinal fold line, and at least one side lifting hole, wherein each side bag layer can be folded along the longitudinal fold line, so that the first fold of each side bag layer Area and the second folding area overlap each other, and the side lifting holes of the side bag layers correspond to the first lifting holes and the second lifting holes of the main bag layers, the main bag layer The second folding areas can be folded in the same direction along the first transverse fold lines to be stacked on the first folding areas, so that the second lifting holes and the first lifting holes are correspondingly communicated with each other.

In some embodiments, the first fold-sealing area of each main bag layer is also formed with two piercing grooves respectively located on the left and right sides of the first lifting hole, and the second fold-sealing area of each main bag layer is also formed Two buckle pieces respectively located on the left and right sides of the second lifting hole; each side pocket layer is formed with at least one buckle groove and at least one buckle piece, and the buckle groove and buckle piece of each side pocket layer are respectively The piercing grooves and the piercing pieces corresponding to the main bag layers, when the second fold-sealing areas of the main bag layers are folded in the same direction along the first transverse fold lines, they are stacked on the first In the case of a folding area, each of the buckle pieces corresponds to the position of one of the buckle grooves of each first fold and seal area, so that the buckle pieces can extend through one of the buckle grooves respectively, so that the The first folding area and the second folding areas are fixed to each other.

In some embodiments, each buckle groove has a first groove portion extending in the left-right direction for the corresponding buckle pieces to penetrate, and two groove portions respectively extend upward and downward from opposite ends of the first groove portion的二槽部。 The second slot.

In some embodiments, each second fold-sealing area further has a tongue connecting the bottom edge of the second lifting hole, when the second fold-sealing areas of the main bag layers are along the first transverse direction When the fold lines are folded in the same direction and stacked on the first fold-sealing areas, the tongue piece can extend through the first lifting hole of the first fold-sealing area through the second fold-sealing area.

The present invention has at least the following effects: through the design of the tear lines, the user can tear the bag opening along the tear lines respectively, and after the bag layers are folded and unfolded, the bottom layer becomes A surface can be used for the user to contain food or other items, and each bag layer can be used for the user to keep clean during the meal, so as to prevent the food debris from falling into the external environment.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

1, an embodiment of the new packaging bag includes a bottom layer 1, four bag layers 2, 3, a bag opening 4, four tearing lines 5, and a supporting frame unit 6. The bottom layer 1 has a quadrilateral shape and includes four edges. The pocket layers 2 and 3 respectively extend upward from the edges of the bottom layer 1 and are connected to each other by side edges. The pocket layers 2 and 3 are divided into two main pocket layers 2 and two side pocket layers 3. The main pocket layers 2 respectively extend upward from two opposite edges of the bottom layer 1 and are opposite to each other, and the side pocket layers 3 respectively extend upward from the other two opposite edges of the bottom layer 1, and are each connected to the main pocket layers 2的边边。 The side edge. The pocket opening 4 is jointly defined by the main pocket layers 2 and the side pocket layers 3 and is opposite to the bottom layer 1. In this embodiment, the packaging bag is made of paper. However, the material of the new packaging bag is not limited to this embodiment, and can also be made of plastic, non-woven fabric or other common packaging materials.

In this embodiment, each main bag layer 2 includes a concave fold line 21 spaced from the bottom edge of the main bag layer 2, and a concave fold line 21 spaced apart from the concave fold line 21 and located between the concave fold line 21 and the main bag layer 2 The retention line 22 between the bottom edge, a wall portion 23 located below the retention line 22, a reinforcement portion 24 between the retention line 22 and the concave fold line 21, and a between the concave fold line 21 and the main The placemat part 25 between the top edges of the bag layer 2. Further, the distance between each reserved line 22 and the bottom edge of the corresponding main bag layer 2 is equal to the distance between each reserved line 22 and the corresponding concave fold line 21, which will be described in detail later.

In this embodiment, the design of each side pocket layer 3 is similar to that of the main pocket layer 2, and also includes a concave fold line 31 spaced apart from the bottom edge of the side pocket layer 3, and a concave fold line 31 spaced apart from the concave fold line 31. A retention line 32 located between the concave fold line 31 and the bottom edge of the side pocket layer 3, a wall portion 33 located below the retention line 32, and a reinforcement portion 34 between the retention line 32 and the concave fold line 31 , And a placemat 35 between the concave fold line 31 and the top edge of the side pocket layer 3, and the distance between the retention line 32 of each side pocket layer 3 and the bottom edge of the corresponding side pocket layer 3 is also equal to The distance between each reserved line 32 and the corresponding concave fold line 31 will be described in detail later.

Further, the reserved lines 22 of the main bag layer 2 and the reserved lines 32 of the side bag layers 3 are located on the same horizontal plane, and the concave fold lines 21 of the main bag layer 2 and the side bag layers The concave fold lines 31 of 3 are located on another horizontal plane, but not limited to this.

The tear lines 5 respectively extend from the bag mouth 4 down along the boundary line between the main bag layer 2 and the side bag layers 3, as indicated by the dotted line in FIG. 1. Further, the tearing lines 5 extend to the corresponding retention lines 22 and 32. In this embodiment, when the tear lines 5 are actually made, the bag mouth 4 is cut discontinuously along the boundary line between the main bag layers 2 and the side bag layers 3 to the corresponding retention lines 22 , 32 places, in this way, the user can easily and smoothly tear the packaging bag through the design of the tear lines 5.

1 and 2, one of the usage methods of this embodiment is provided below, but not limited to this: Take the case of packaging food in the packaging bag (not shown) as an example, when the user wants to have a meal, only The bag opening 4 is torn along the tear lines 5 to the retention lines 22 and 32 respectively, so that the main bag layer 2 and the side bag layers 3 can be respectively torn along the corresponding retention lines 22 and 32. After being folded outward, fold inward along the corresponding concave fold lines 21, 31, because the distance between each reserved line 22, 32 and the bottom edge of the corresponding bag layer 2, 3 is equal to each reserved line 22, 32 and the corresponding concave fold. The distance between the fold lines 21 and 31 enables each wall portion 23 and 33 to completely overlap the corresponding reinforcement portion 24 and 34, and each placemat portion 25 and 35 can be kept horizontal when spread out. In this way, the walls 23, 33 and the bottom layer 1 constitute a stable space for users to contain food, which can be used as a substitute for a dinner plate, and each placemat 25, 35 can be used for The user keeps clean during the meal to prevent food debris from falling into the external environment. In addition, referring to Fig. 3, after the meal is over, the user can roll up each placemat portion 25, 35 toward the bottom layer 1 and discard it. This makes it easier to clean up after the meal and also reduces the volume of garbage.

Referring to Figures 1, 4 and 5, the support frame unit 6 can be compressed into a flat shape. After the compressed support frame unit 6 is placed on the bottom layer 1 by the pocket 4, the support frame unit 6 can be At least one accommodating space 64 is opened and defined for placing at least one article. Further, the supporting frame unit 6 includes an enclosure 61 that can be compressed into a flat shape, a main partition 62, two auxiliary partitions 63, and a bottom plate (not shown). The enclosure 61 has four side plates 611 connected to each other by side edges. The main partition 62 is disposed in the enclosure 61 and connected to two of the opposite side plates 611. The main partition 62 has a main partition 621 and two main connection parts 622 respectively extending from opposite edges of the main partition 621. , The main connecting portions 622 are respectively connected to the two opposite side plates 611. Each secondary partition 63 has a secondary partition 631 and two secondary connection parts 632 extending oppositely from the two ends of the secondary partition 631. The auxiliary partition 631 of each auxiliary partition 63 is parallel to the other two opposite side plates 611, and the auxiliary connecting parts 632 of each auxiliary partition 63 are respectively connected to one side of the main partition 621 and the corresponding side plate 611, by After the bag opening 4 places the compressed support frame unit 6 on the bottom layer 1, the support frame unit 6 can be expanded to define four accommodating spaces 64. The bottom plate is connected to the bottom end of one of the side plates 611 and can be bent relative to the side plate 611, and the bottom plate is used to close the bottom ends of the accommodating spaces 64.

After the support frame unit 6 is expanded, the structure of the entire packaging bag is more stable, and it is not easily deformed due to the weight of the items in the bag. In addition, the accommodating spaces 64 can facilitate the user to plan the space in the bag and the average weight configuration, and put different kinds of food or articles in the different accommodating spaces 64. The main partition 62 and the The auxiliary partition 63 makes it difficult for different kinds of food or objects to be contaminated with each other and keeps it tidy.

Referring to Figures 4 and 5, another method of use of this embodiment is provided below, but not limited to this: Taking the case where the packaging bag packs a plurality of cups of beverages 9 as an example, the user can use the bag mouth 4 After placing the compressed support frame unit 6 on the bottom layer 1, the support frame unit 6 is expanded to define four accommodating spaces 64, and the cups of beverages 9 are put into the accommodating spaces 64 one by one. After that, the support frame unit 6 can be used to improve the stability of the cups 9 when the packaging bags containing the cups 9 are moved, so that the cups 9 are not easy to tilt or overflow. , At the same time, the cup-packed beverage 9 becomes convenient to use. It is worth mentioning that, due to the stabilizing effect of the support frame unit 6, the cups of beverages 9 in the packaging bag can use a general upper cover, and no special upper cover with an additional fixing structure is required.

1, 6 and 7, in this embodiment, the placemat portion 25 of each main bag layer 2 also has a first transverse fold line 251 and a first fold below the first transverse fold line 251 The sealing area 252 and a second folding area 254 between the first transverse fold line 251 and the top edge of the main bag layer 2. The second fold-sealing areas 254 of the main bag layers 2 can be folded in the same direction along the first transverse fold lines 251 to be stacked on the first fold-sealing areas 252.

In this embodiment, each first folding area 252 forms a first lifting hole 253 and two piercing grooves 7 respectively located on the left and right sides of the first lifting hole 253. The first lifting hole 253 is transverse and elongated to facilitate the user to hold or lift, but the shape and number of the first lifting hole 253 are not limited to this. In other embodiments, the first lifting hole 253 A lifting hole 253 may also be a plurality of holes in a circular shape. Each piercing groove 7 has a first groove portion 71 extending in the left-right direction, and two second groove portions 72 respectively extending upward and downward from opposite ends of the first groove portion 71.

In this embodiment, each second fold-sealing area 254 forms a second lifting hole 255 symmetrically arranged with the first lifting hole 253 about the first transverse fold line 251. Two second lifting holes 255 are respectively located on the left and right sides of the second lifting hole 255. A buckle piece 8 extending from the side and away from the bag opening 4 and a tongue piece 256 connected to the bottom edge of the second lifting hole 255. The second lifting hole 255 is also horizontal and elongated to facilitate the user to hold or lift, but the shape and number of the second lifting hole 255 are not limited to this. In other embodiments, the The second lifting hole 255 may also be a plurality of holes in a circular shape.

With reference to Figures 6 and 7, when the second fold-sealed areas 254 of the main bag layers 2 are folded in the same direction along the first transverse fold lines 251 to be stacked on the first fold-sealed areas 252, the The second lifting holes 255 and the first lifting holes 253 are correspondingly communicated with each other. The tongue piece 256 can extend through the first lifting hole 253 of the first folding area 252 by the second folding area 254. The clasps 8 respectively correspond to the position of one of the buckle grooves 7 of each first fold-sealing area 252, and extend through the first groove portions 71 of the buckle grooves 7 from bottom to top, so as to reach the position The first folding area 252 and the second folding areas 254 are fixed to each other. In addition, in other equivalent embodiments, the direction and shape of the piercing grooves 7 and the direction and shape of the piercing pieces 8 are not limited to this embodiment. For example, when the first When the folding area 252 and the second folding areas 254 are stacked on top of each other, the buckle sheets 8 extend through the buckle grooves 7 from top to bottom, from left to right, or from right to left. Everything can be implemented. Referring to Figures 5, 6 and 7, it is worth noting that when the support frame unit 6 is placed on the bottom layer 1, the height of the support frame unit 5 should not exceed the lower edge of the first folding area 252, square The second fold-sealing areas 254 of the main bag layer 2 can be folded in the same direction along the first transverse fold lines 251 to be laminated on the first fold-sealing areas 252.

1, in this embodiment, the placemat portion 35 of each side bag layer 3 is formed with a longitudinal fold line 351, a first folding area 352 located on one side of the longitudinal fold line 351, and a first folding area 352 located on the longitudinal fold line 351. The second folding area 353 on the other side of 351, the two piercing grooves 7, the two piercing buckles 8, and the two side lifting holes 354. Each side bag layer 3 can be folded along the longitudinal fold line 351, so that the first folding area 352 and the second folding area 353 of each side bag layer 3 overlap each other, and the buckle groove of each side bag layer 3 7 and the buckle piece 8 respectively correspond to the buckle grooves 7 and the buckle pieces 8 of the main bag layer 2. More specifically, when the side bag layers 3 are respectively folded in half along the longitudinal fold line 351, the packaging bag can be placed in a flat storage state. At this time, the side bag layers 3 are located in the folded shape. Between the main bag layer 2. In this embodiment, when the packaging bag is in the storage state, the side pocket layers 3 will be between the buckle sheets 8 of the two main bag layers 2, between the buckle grooves 7, and Between the first lifting holes 253 and the second lifting holes 255, each side bag layer 3 must also be formed with a piercing groove 7 corresponding to the structure of the main bag layer 2. The buckle 8 and the side lifting holes 354, so that when the packaging bag is in the storage state, the buckle groove 7, the buckle 8 and the side lifting holes 354 of each side bag layer 3 can be connected with those of the main bag layer 2. The buckle groove 7, the buckle piece 8, the first lifting hole 253, and the second lifting hole 255 work together. In addition, in other equivalent embodiments, depending on the width of the side pocket layers 3, or the position of the first lifting holes 253 and the second lifting holes 255, each side pocket layer 3 also Only the buckle groove 7 and the buckle piece 8 corresponding to the structure of the main bag layer 2 can be formed.

In summary, with the design of the tear lines 5, the user can tear the bag opening 4 to the retention lines 22 and 32 along the tear lines 5, respectively. After the main bag layer 2 and the side bag layers 3 are folded outward along the corresponding retention lines 22 and 32 respectively, they are then concavely folded inward along the corresponding concave fold lines 21 and 31, so that each wall 23, 33 can be in contact with each other. The corresponding reinforcement portions 24, 34 are completely overlapped, and each placemat portion 25, 35 can be kept horizontal when spread out. In this way, the wall portions 23, 33 and the bottom layer 1 constitute a stable space for users to contain food, and each placemat portion 25, 35 can be used for users to keep clean during meals. Avoid food scraps from falling into the external environment. In addition, referring to Fig. 3, after the meal is over, the user can roll up each placemat portion 25, 35 toward the bottom layer 1 and discard it. This makes it easier to clean up after the meal and also reduces the volume of garbage. In addition, with the support frame unit 6, when the packaging bag containing the cups of drinks 9 is moved, the stability of the cups of drinks 9 can be improved, so that the cups of drinks 9 are not easy to tilt or overflow. At the same time, the cup-packed beverage 9 becomes convenient to use. In addition, by folding the main bag layers 2 to make the first lifting holes 253 and the second lifting holes 255 communicate with each other correspondingly for carrying, the multi-layer structure produced by folding helps to disperse the bag's bearing The weight improves the structural strength and durability of the conventional packaging bag, and the design of the lifting hole not only makes the packaging bag easy to use, but also can be produced in an automated manner without additional manpower processing, so it can indeed achieve the purpose of new cost.

However, the above are only examples of the present model, and should not be used to limit the scope of implementation of the present model, all simple equivalent changes and modifications made in accordance with the patent scope of the present model application and the contents of the patent specification still belong to This new patent covers the scope.

1: bottom layer 2: Main bag layer 21: concave polyline 22: reserved line 23: Wall 24: Reinforcement Department 25: Placemat 251: The first horizontal polyline 252: First Folding Zone 253: The first hole 254: Second Folding Zone 255: The second hole 256: Tongue 3: Side pocket layer 31: concave polyline 32: reserved line 33: Wall 34: Reinforcement Department 35: Placemat 351: Longitudinal broken line 352: First Folding Zone 353: Second Folding Zone 354: Side Lifting Hole 4: bag mouth 5: Tear the line 6: Support frame unit 61: Encirclement 611: Side Panel 62: main partition 621: Main divider 622: Main connection part 63: Sub partition 631: Sub-division 632: Sub-connecting part 64: accommodating space 7: buckle slot 71: The first groove 72: second groove 8: Wear clasp 9: Cup drink

The other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, among which: Figure 1 is a perspective exploded view of an embodiment of the new packaging bag; Figure 2 is an incomplete three-dimensional view of this embodiment, illustrating a state in which a bag mouth is torn apart along a plurality of tear lines, and each bag layer is folded outward; Figure 3 is a perspective view of this embodiment, illustrating the state of rolling each bag layer inwardly; Figure 4 is a schematic top view of the embodiment, illustrating a state in which a compressed support frame unit is inserted into a bottom layer from the mouth of the bag; Figure 5 is an incomplete perspective schematic view of the embodiment, illustrating the state of placing a plurality of cups of beverages into the expanded support frame unit; Figure 6 is a perspective view of this embodiment, illustrating the state where each side bag layer is folded along a longitudinal fold line so that the bag layers overlap each other; and Fig. 7 is a perspective view of the embodiment, illustrating a state in which a plurality of second fold-sealed areas are folded in the same direction along a plurality of first transverse fold lines to be stacked on a plurality of first fold-sealed areas.

1: bottom layer

2: Main bag layer

21: concave polyline

22: reserved line

23: Wall

24: Reinforcement Department

251: The first horizontal polyline

252: First Folding Zone

253: The first hole

254: Second Folding Zone

255: The second hole

256: Tongue

3: Side pocket layer

31: concave polyline

32: reserved line

33: Wall

34: Reinforcement Department

35: Placemat

351: Longitudinal broken line

352: First Folding Zone

353: Second Folding Zone

354: Side Lifting Hole

4: bag mouth

5: Tear the line

6: Support frame unit

61: Encirclement

611: Side Panel

62: main partition

621: Main divider

622: Main connection part

63: Sub partition

631: Sub-division

632: Sub-connecting part

64: accommodating space

7: buckle slot

71: The first groove

72: second groove

8: Wear clasp

Claims (10)

A packaging bag containing: One bottom layer, including four edges; The four pockets respectively extend upward from the edges of the bottom layer and are connected to each other by side edges; A bag mouth, defined by the bag layers, and opposite to the bottom layer; and Four tearing lines, which respectively extend downward from the mouth of the bag along the boundary line between the bag layers; Wherein, the bag opening is torn apart along the tear lines, and each bag layer can be folded outward. The packaging bag according to claim 1, wherein each bag layer includes a concave fold line spaced from the bottom edge of the bag layer, and a concave fold line spaced from the concave fold line and located between the concave fold line and the bottom edge of the bag layer Between the retention line, a wall below the retention line, a reinforcement part between the retention line and the concave fold line, and a placemat part between the concave fold line and the top edge of the bag layer , The tear lines respectively extend from the mouth of the bag along the boundary line between the bag layers to the retention lines, wherein the tear lines from the mouth of the bag are respectively torn along the tear lines to the retention lines Where, each bag layer can be folded outward along the corresponding reserved line, and then concavely folded inward along the corresponding concave fold line, so that each wall part overlaps the corresponding reinforcement part, and each placemat part is expanded outward. The packaging bag according to claim 2, wherein the distance between each reserved line and the bottom edge of the corresponding bag layer is equal to the distance between each reserved line and the corresponding concave fold line. The packaging bag according to claim 1 or 2, further comprising a support frame unit that can be compressed into a flat shape, and after the compressed support frame unit is placed on the bottom layer by the bag mouth, the support frame unit can be The supporting frame unit expands and defines at least one accommodating space for placing at least one article. The packaging bag according to claim 4, wherein the support frame unit includes an enclosure that can be compressed into a flat shape and a main partition, the enclosure has four side panels connected to each other by side edges; the main partition The plate is arranged in the enclosure and connected to two of the opposite side plates. The main partition has a main partition and two main connecting parts extending oppositely from the two end edges of the main partition. The main connecting parts are respectively connected to the two On the opposite side panel, after the support frame unit compressed by the bag mouth is placed on the bottom layer, the support frame unit can be expanded and a plurality of accommodating spaces can be defined. The packaging bag according to claim 5, wherein the support frame unit further includes two sub-partitions, each sub-partition having a sub-partition and two sub-connecting parts extending oppositely from the two end edges of the sub-partition , The auxiliary partition of each auxiliary partition is parallel to the other two opposite side plates, and the auxiliary connecting parts of each auxiliary partition are respectively connected to one side of the main partition and the corresponding side plate. After the compressed support frame unit is placed on the bottom layer, the support frame unit can be expanded to define four accommodating spaces. The packaging bag according to claim 4, wherein the bag layers are divided into two main bag layers and two side bag layers, and the placemat portion of each main bag layer also has a first transverse fold line and a first transverse fold line. A first fold-sealing area below the transverse fold line, and a second fold-sealing area between the first transverse fold line and the top edge, each first fold-sealing area forms at least one first lifting hole, and each The two-fold sealing area forms at least one second lifting hole arranged symmetrically to the first lifting hole with the first transverse fold line, and the placemat portion of each side bag layer also has a longitudinal fold line and one located in the longitudinal fold line A first folding area on one side, a second folding area on the other side of the longitudinal fold line, and at least one side lifting hole, wherein each side bag layer can be folded along the longitudinal fold line so that each side bag layer The first folding zone and the second folding zone overlap each other, and the side lifting holes of the side bag layers respectively correspond to the first lifting holes and the second lifting holes of the main bag layer, The second folding and sealing areas of the main bag layers can be folded in the same direction along the first transverse fold lines to be laminated on the first folding and sealing areas, so that the second lifting holes and the first lifting The holes communicate with each other correspondingly. The packaging bag according to claim 7, wherein the first fold-sealing area of each main bag layer also forms two piercing grooves respectively located on the left and right sides of the first lifting hole, and the second fold of each main bag layer The fold-sealing area is also formed with two buckle pieces respectively located on the left and right sides of the second lifting hole; each side pocket layer is formed with at least one buckle groove and at least one buckle piece, and each side pocket layer has a buckle groove And the buckle pieces respectively correspond to the buckle grooves and the buckle pieces of the main bag layers, when the second fold-sealing areas of the main bag layers are folded in the same direction along the first transverse fold lines. When layered on the first fold-sealed areas, the buckle pieces correspond to the position of one of the buckle grooves of each first fold-sealed area, so that the buckle pieces can respectively extend through one of the buckle grooves , So that the first folding area and the second folding area are fixed to each other. The packaging bag according to claim 8, wherein each buckle groove has a first groove portion extending in the left and right direction for the corresponding buckle pieces to penetrate, and two opposite sides of the first groove portion respectively A second groove portion extending upward and downward at both ends. The packaging bag according to claim 7, wherein each second fold-sealing area further has a tongue connecting the bottom edge of the second lifting hole, and when the second fold-sealing areas of the main bag layers are along the edge When the first transverse fold lines are folded in the same direction and stacked on the first fold-sealing area, the tongue piece can extend through the first lifting hole of the first fold-sealing area through the second fold-sealing area.

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