Packaging bag

Abstract

The utility model relates to the technical field of cosmetology or medicine, in particular to a packaging bag which comprises a first bag body, a second bag body and a connecting cavity, the connecting cavity is located between the first bag body and the second bag body and connected with the bag face of the first bag body and the bag face of the second bag body in a sealed mode. The connecting cavity is internally provided with a pressing piece capable of moving in the vertical direction perpendicular to the bag faces of the first bag body and the second bag body, the connecting cavity is further internally provided with a transmission structure and a cutting piece, and in the initial state, the cutting piece is not in contact with the first bag body and the second bag body; after the pressing piece is pressed, the transmission structure is stressed to drive the cutting piece to horizontally move outwards and move towards the first bag body and the second bag body at the same time, so that the first bag body and the second bag body are scratched. According to the packaging bag, in the long-term storage process before use, the two bag bodies are separated, the leakage problem cannot occur, in the use process, the cutting piece in the packaging bag can move in a pressing mode, the two bag bodies are scratched, operation is easy, and labor is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of beauty or medicine, and in particular to a packaging bag. Background Art

[0002] In the fields of beauty or medicine, when packaging products, different functional ingredients are generally packaged separately in different packaging bags to prevent the activity of different functional ingredients from decreasing during long-term mixed storage. When needed, these functional ingredients can be mixed and used to achieve the best effect.

[0003] However, this packaging method requires multiple packaging bags, which is costly, and when mixing, all the functional substances in other packaging bags need to be poured into one packaging bag, or additional containers are needed to hold these functional substances, which is inconvenient to operate or costly. In this regard, there is also a multi-chamber packaging bag in the prior art, where multiple chambers are virtual sealed, and when mixing is required, the virtual seal is broken by squeezing to achieve mixing of the objects in each chamber, but this structure is more troublesome and laborious to operate, and the chambers may also leak from each other when stored. Utility Model Content

[0004] The utility model solves the technical problem that the bag breaking method of the prior art is troublesome and laborious to operate, and proposes a packaging bag. When in use, the internal cutting piece can be moved by pressing to cut the two bag bodies, which is simple to operate and saves labor.

[0005] The technical solution of this utility model:

[0006] A packaging bag, comprising:

[0007] A first bag body;

[0008] A second bag body;

[0009] A connecting cavity, wherein the connecting cavity is located between the first bag body and the second bag body and is sealedly connected to the bag surfaces of the first bag body and the second bag body. A pressing piece is provided in the connecting cavity and can move vertically perpendicular to the bag surfaces of the first bag body and the second bag body. A transmission structure and a cutting blade are also provided in the connecting cavity. In an initial state, the cutting blade does not contact the first bag body and the second bag body. After the pressing piece is pressed, the transmission structure is forced to drive the cutting blade to move horizontally outward and simultaneously toward the first bag body and the second bag body to cut the first bag body and the second bag body.

[0010] Further, the pressing piece includes a symmetrical first pressing piece and a second pressing piece, the transmission structure includes a symmetrical first transmission structure and a second transmission structure, and the cutting blade includes a symmetrical first cutting blade and a second cutting blade. In an initial state, the first cutting blade does not contact the first bag body, and the second cutting blade does not contact the second bag body; when the first pressing piece is pressed inward, the first transmission structure is forced to drive the first cutting blade to move horizontally outward and move toward the first bag body at the same time to scratch the first bag body; when the second pressing piece is pressed inward, the second transmission structure is forced to drive the second cutting blade to move horizontally outward and move toward the second bag body at the same time to scratch the second bag body.

[0011] Furthermore, a movable cavity is formed in the middle of the connecting cavity through a support rod, and the first pressing piece and the second pressing piece are respectively located at two ends of the movable cavity and can move toward the middle; the first transmission structure includes a first arc sliding seat arranged on the inner wall of the connecting cavity and a first arc sliding body moving in the first arc sliding seat, and the side wall of the connecting cavity is correspondingly provided with a first avoidance opening, and when the first pressing piece is pressed, one side edge of the first arc sliding body is subjected to force, so that it moves along the first arc sliding seat and the first cutting piece on the other side moves horizontally outward and simultaneously toward the first bag body to scratch the first bag body; the second transmission structure includes a second arc sliding seat arranged on the inner wall of the connecting cavity and a second arc sliding body moving in the second arc sliding seat, and the side wall of the connecting cavity is correspondingly provided with a second avoidance opening, and when the second pressing piece is pressed, one side edge of the second arc sliding body is subjected to force, so that it moves along the second arc sliding seat and the second cutting piece on the other side moves horizontally outward and simultaneously toward the second bag body to scratch the second bag body.

[0012] Furthermore, the first arc-shaped sliding seat and the first arc-shaped sliding body are symmetrically arranged in two, and the second arc-shaped sliding seat and the second arc-shaped sliding body are symmetrically arranged in two.

[0013] Furthermore, a first connecting strip is correspondingly provided between the first arc-shaped sliding body and the first arc-shaped sliding seat, and a second connecting strip is correspondingly provided between the second arc-shaped sliding body and the second arc-shaped sliding seat.

[0014] The cam is an angular channel structure formed in a circle with two cams connected to it, wherein the cams have a first end portion, the second end portion being abutted against the cam and the second end portion being pressed against the cam.

[0015] Furthermore, the first sliding body is provided with a first T-shaped sliding block, and the support rod is correspondingly provided with a first T-shaped sliding groove; the second sliding body is provided with a second T-shaped sliding block, and the support rod is correspondingly provided with a second T-shaped sliding groove.

[0016] Furthermore, there are a plurality of first sliding bodies, which are evenly arranged along the circumferential direction; and there are a plurality of second sliding bodies, which are evenly arranged along the circumferential direction.

[0017] Furthermore, a first connecting strip is provided between the first sliding body and the connecting cavity; and a second connecting strip is provided between the second sliding body and the connecting cavity.

[0018] Furthermore, a first pressing portion is formed in the middle of the first bag body corresponding to the first pressing piece; and a second pressing portion is formed in the middle of the second bag body corresponding to the second pressing piece.

[0019] After adopting the above technical scheme, the packaging bag provided by the utility model has the following beneficial effects compared with the prior art: the packaging bag provided by the utility model has two bag bodies separated during long-term storage before use, and no leakage problem occurs; and when in use, the internal cutting piece can be moved by pressing the pressing piece to cut the two bag bodies, which is simple and labor-saving to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall external structure of the packaging bag of the utility model;

[0021] Figure 2 is a cross-sectional view of the packaging bag of Example 1;

[0022] Figure 3This is a schematic diagram of the structure inside the connecting cavity of the packaging bag of Example 1;

[0023] Figure 4 is a cross-sectional view of the packaging bag of Example 2;

[0024] Figure 5 This is a schematic diagram of the structure inside the connecting cavity of the packaging bag of Example 2;

[0025] Figure 6 It is a schematic structural diagram of the first sliding body of the second embodiment.

[0026] in,

[0027] A first bag body 1, a first pressing portion 11, and an easy-tear opening 12;

[0028] A second bag body 2, a second pressing portion 21;

[0029] Connecting cavity 3, first pressing piece 31, first conical surface 311, second pressing piece 32, second conical surface 321, first arc-shaped sliding seat 331, first arc-shaped sliding body 3311, second arc-shaped sliding seat 332, second arc-shaped sliding body 3321, first sliding body 341, first T-shaped sliding block 3411, first inclined surface 3412, second sliding body 342, second T-shaped sliding block 3421, second inclined surface 3422, first connecting strip 351, second connecting strip 352, first cutting piece 36, second cutting piece 37, support rod 38, first T-shaped slide groove 381, second T-shaped slide groove 382, ​​movable cavity 39, first avoidance opening 391, second avoidance opening 392. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0031] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0032] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0033] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0034] Embodiment 1:

[0035] like Figure 1-3 As shown, this embodiment provides a packaging bag, which includes a first bag body 1 and a second bag body 2. The two bag bodies are used to store different objects respectively. For example, liquid functional substances are stored in one bag body and solid functional substances or freeze-dried membrane cloth are stored in the other bag body; or different liquid functional substances can be stored in the two bag bodies.

[0036] Furthermore, the packaging bag also includes a connecting cavity 3 located between the first bag body 1 and the second bag body 2, the connecting cavity 3 is sealed and connected to the bag surface of the first bag body 1 and the second bag body 2 to form a sealed cavity, the bag surface of the first bag body 1 is parallel to the bag surface of the second bag body 2, and both are arranged horizontally, and a pressing piece is arranged in the connecting cavity 3, which can be moved vertically perpendicular to the bag surfaces of the two bag bodies, and a transmission structure and a cutting blade are also arranged in the connecting cavity 3. In the initial state, that is, during long-term storage, the cutting blade does not contact the first bag body 1 and the second bag body 2, for example, the transmission structure and the cutting blade can be fixed in a set position; when it is needed, the pressing piece is pressed, and the transmission structure is driven by the pressure of the pressing piece to drive the cutting blade to move horizontally outward and move toward the first bag body 1 and the second bag body 2 at the same time, so as to cut the first bag body 1 and the second bag body 2, so that the functional substances in the two bag bodies can be mixed.

[0037] In this way, compared with the prior art, during the long-term storage process before use, the two bag bodies are separated and no leakage problem occurs; and when in use, the internal cutting blade can be moved by pressing the pressing piece to cut the two bag bodies, which is simple and labor-saving to operate.

[0038] The pressing member of this embodiment includes a symmetrical first pressing member 31 and a second pressing member 32, the transmission structure includes a symmetrical first transmission structure and a second transmission structure, and the cutting blade includes a symmetrical first cutting blade 36 and a second cutting blade 37, that is, the first pressing member 31, the first transmission structure and the first cutting blade 36 are correspondingly arranged, and the second pressing member 32, the second transmission structure and the second cutting blade 37 are correspondingly arranged. In the initial state, that is, during long-term storage, the first cutting blade 36 does not contact the first bag body 1, and the second cutting blade 37 does not contact the second bag body 2; when in use, the first pressing member 31 is pressed inward, and the first transmission structure is forced to drive the first cutting blade 36 to move horizontally outward and move toward the first bag body 1 to cut the first bag body 1, and when in use, the second pressing member 32 is pressed inward, and the second transmission structure is forced to drive the second cutting blade 37 to move horizontally outward and move toward the second bag body 2 to cut the second bag body 2.

[0039] Furthermore, a movable cavity 39 is formed in the middle of the connecting cavity 3 through the support rod 38, and the first pressing member 31 and the second pressing member 32 are respectively located at the two ends of the movable cavity 39 and can move toward the middle. The first transmission structure includes a first arc-shaped sliding seat 331 arranged on two opposite inner walls of the connecting cavity 3 and a first arc-shaped sliding body 3311 that can move in the two first arc-shaped sliding seats 331, and the side wall of the connecting cavity 3 is correspondingly provided with a first avoidance opening 391 to avoid the first arc-shaped sliding body 3311. When the first pressing member 31 is pressed, a force is applied to one side of the first arc-shaped sliding body 3311, so that the first arc-shaped sliding body 3311 moves along the two first arc-shaped sliding seats 331 and the first cutting blade 36 on the other side thereof moves horizontally outward and simultaneously toward the first bag body 1 to cut the first bag body 1; the second transmission structure includes a second arc-shaped sliding seat 332 arranged on two opposite inner walls of the connecting cavity 3 and a second arc-shaped sliding body 3321 movable in the two second arc-shaped sliding seats 332, and the side wall of the connecting cavity 3 is correspondingly provided with a second avoidance opening 392 to avoid the second arc-shaped sliding body 3321. When the second pressing member 32 is pressed, a force is applied to one side of the second arc-shaped sliding body 3321, so that the second arc-shaped sliding body 3321 moves along the second arc-shaped sliding seat 332 and the second cutting blade 37 on the other side thereof moves horizontally outward and simultaneously toward the second bag body 2 to cut the second bag body 2.

[0040] In this embodiment, the first arc-shaped sliding seat 331 and the first arc-shaped sliding body 3311 are symmetrically arranged in two, and the second arc-shaped sliding seat 332 and the second arc-shaped sliding body 3321 are symmetrically arranged in two. In this way, when each pressing member is pressed, two places of each bag body can be cut, so that mixing is faster and more complete.

[0041] In this embodiment, a first connecting strip 351 is provided between the first arc-shaped sliding body 3311 and the first arc-shaped sliding seat 331 to fix the first arc-shaped sliding body 3311 in the initial state to prevent the first bag body 1 from being punctured; similarly, a second connecting strip 352 is provided between the second arc-shaped sliding body 3321 and the second arc-shaped sliding seat 332 to fix the second arc-shaped sliding body 3321 in the initial state to prevent the second bag body 2 from being punctured. When each pressing member is pressed, the corresponding connecting strip is destroyed, and each cutting blade will scratch the corresponding bag body. The size of the connecting strip can be set as needed.

[0042] Preferably, in this embodiment, a first pressing portion 11 is formed in the middle of the first bag body 1 corresponding to the first pressing member 31, and a second pressing portion 21 is formed in the middle of the second bag body 2 corresponding to the second pressing member 32, so as to instruct the user to operate. The pressing portion can be a circular step protruding from the bag body, or can also be a circular indicating pattern. In addition, in this embodiment, an easy-tear opening 12 is also provided on the first bag body 1 and / or the second bag body 2, and after mixing for a certain period of time, the easy-tear opening 12 is torn open for use.

[0043] From the above content, it can be seen that in the packaging bag provided in this embodiment, during the long-term storage process before use, the two bag bodies are separated and no leakage problem occurs. When in use, the internal cutting piece can be moved by pressing to cut the two bag bodies, which is simple and labor-saving to operate.

[0044] Embodiment 2:

[0045] like Figure 4-6As shown, this embodiment provides a packaging bag, which is different from the first embodiment mainly in the structure inside the connecting cavity 3. Specifically, in this embodiment, a movable cavity 39 is formed in the middle position of the connecting cavity 3 by connecting through a support rod 38, and the first pressing member 31 and the second pressing member 32 are respectively located at the two ends of the movable cavity 39 and can move toward the middle, i.e., toward each other, when pressed. The first transmission structure is a first sliding body 341 slidably arranged on the first end face of the support rod 38, and a first avoidance opening 391 for avoiding the first sliding body 341 is arranged on the side wall of the connecting cavity 3, the first sliding body 341 includes a first inclined surface 3412 facing the first pressing member 31, and a first conical surface 311 is correspondingly arranged on the first pressing member 31. When the first pressing member 31 is pressed inwardly, the first conical surface 311 acts on the first inclined surface 3412, forcing the first sliding body 341 to move outwardly, and a first cutting blade 36 is arranged on the outer end of the first sliding body 341 toward the first bag body 1, and the first end face of the support rod 38 is inclined from the inside to the outside toward the first bag body 1, so that the first cutting blade 36 can move horizontally outward and toward the first bag body 1 at the same time. Similarly, the second transmission structure is a second sliding body 342 slidably arranged on the second end face of the support rod 38, the side wall of the connecting cavity 3 is provided with a second avoidance opening 392 for avoiding the second sliding body 342, the second sliding body 342 includes a second inclined surface 3422 facing the second pressing member 32, and the second pressing member 32 is correspondingly provided with a second conical surface 321. When the second pressing member 32 is pressed inward, the second conical surface 321 acts on the second inclined surface 3422, forcing the second sliding body 342 to move outward, and the second sliding body 342 is provided with a second cutting blade 37 at the outer end of the second bag body 2. The second end face of the support rod 38 is inclined from the inside to the outside toward the second bag body 2, so that the second cutting blade 37 can move horizontally outward and toward the second bag body 2 at the same time. Among them, the inclination of the first end face of the support rod 38 is smaller than the inclination of the first inclined surface 3412 and the first conical surface 311, and the inclination of the second end face of the support rod 38 is smaller than the inclination of the second inclined surface 3422 and the second conical surface 321.

[0046] Furthermore, in this embodiment, a first T-shaped slider 3411 is provided on the inner side of the first sliding body 341, and a first T-shaped groove 381 is correspondingly provided in the support rod 38. On the one hand, it guides the sliding, and on the other hand, the transverse section of the T-shaped slider is always located in the groove, which can prevent the first sliding body 341 from falling out; a second T-shaped slider 3421 is provided on the second sliding body 342, and a second T-shaped groove 382 is correspondingly provided in the support rod 38. On the one hand, it guides the sliding, and on the other hand, the transverse section of the T-shaped slider is always located in the groove, which can prevent the second sliding body 342 from falling out.

[0047] Preferably, the first sliding body 341 of this embodiment is multiple and evenly arranged in the circumferential direction; the second sliding body 342 is also symmetrically multiple and evenly arranged in the circumferential direction. In this way, multiple cuts can be made in the circumferential direction to improve the mixing effect. Of course, it is necessary to add a support rod 38 for sliding guide, a first avoidance opening 391 and a second avoidance opening 392 for avoidance, and a first cutting blade 36 and a second cutting blade 37.

[0048] In this embodiment, a first connecting strip 351 is provided between the first sliding body 341 and the connecting cavity 3, specifically between the side wall of the movable cavity 39, and a second connecting strip 352 is provided between the second sliding body 342 and the connecting cavity 3, specifically between the side wall of the movable cavity 39, so that in the initial state, the first cutting blade 36 will not cut the first bag body 1, and the second cutting blade 37 will not cut the second bag body 2. When each pressing member is pressed, the corresponding connecting strip is destroyed, and each cutting blade will cut the corresponding bag body. The size of the connecting strip can be set as needed; in the initial state, each cutting blade is preferably set on the inner side of the corresponding avoidance port to prevent the bag body from being accidentally cut.

[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A packaging bag, characterized in that: include: A first bag body (1); A second bag body (2); A connecting cavity (3), the connecting cavity (3) is located between the first bag body (1) and the second bag body (2), and is sealed with the bag surfaces of the first bag body (1) and the second bag body (2). A pressing piece is provided in the connecting cavity (3) and can move vertically perpendicular to the bag surfaces of the first bag body (1) and the second bag body (2). A transmission structure and a cutting blade are also provided in the connecting cavity (3). In an initial state, the cutting blade does not contact the first bag body (1) and the second bag body (2); after the pressing piece is pressed, the transmission structure is forced to drive the cutting blade to move horizontally outward and simultaneously move toward the first bag body (1) and the second bag body (2) so as to cut the first bag body (1) and the second bag body (2).

2. The packaging bag according to claim 1, characterized in that: The pressing member comprises a symmetrical first pressing member (31) and a second pressing member (32); the transmission structure comprises a symmetrical first transmission structure and a symmetrical second transmission structure; the cutting blade comprises a symmetrical first cutting blade (36) and a second cutting blade (37); in an initial state, the first cutting blade (36) does not contact the first bag body (1), and the second cutting blade (37) does not contact the second bag body (2); when the first pressing member (31) is pressed inward, the first transmission structure is forced to drive the first cutting blade (36) to move horizontally outward and move toward the first bag body (1) to cut the first bag body (1); when the second pressing member (32) is pressed inward, the second transmission structure is forced to drive the second cutting blade (37) to move horizontally outward and move toward the second bag body (2) to cut the second bag body (2).

3. The packaging bag according to claim 2, characterized in that: A movable cavity (39) is formed in the middle of the connecting cavity (3) through a support rod (38); the first pressing member (31) and the second pressing member (32) are respectively located at the two ends of the movable cavity (39) and can move toward the middle; the first transmission structure comprises a first arc-shaped sliding seat (331) arranged on the inner wall of the connecting cavity (3) and a first arc-shaped sliding body (3311) moving in the first arc-shaped sliding seat (331); the side wall of the connecting cavity (3) is correspondingly provided with a first avoidance opening (391); when the first pressing member (31) is pressed, one side of the first arc-shaped sliding body (3311) is subjected to force, so that it moves along the first arc-shaped sliding seat (331) and the other side of the first arc-shaped sliding body (3311) is subjected to force. The first cutting blade (36) moves horizontally outward and simultaneously toward the first bag body (1) to cut the first bag body (1); the second transmission structure comprises a second arc-shaped sliding seat (332) arranged on the inner wall of the connecting cavity (3) and a second arc-shaped sliding body (3321) moving in the second arc-shaped sliding seat (332); the side wall of the connecting cavity (3) is correspondingly provided with a second avoidance opening (392); when the second pressing member (32) is pressed, one side of the second arc-shaped sliding body (3321) is subjected to force, so that it moves along the second arc-shaped sliding seat (332) and the second cutting blade (37) on the other side moves horizontally outward and simultaneously toward the second bag body (2) to cut the second bag body (2).

4. The packaging bag according to claim 3, characterized in that: The first arc-shaped sliding seat (331) and the first arc-shaped sliding body (3311) are symmetrically arranged in two, and the second arc-shaped sliding seat (332) and the second arc-shaped sliding body (3321) are symmetrically arranged in two.

5. The packaging bag according to claim 3, characterized in that: A first connecting strip (351) is correspondingly provided between the first arc-shaped sliding body (3311) and the first arc-shaped sliding seat (331), and a second connecting strip (352) is correspondingly provided between the second arc-shaped sliding body (3321) and the second arc-shaped sliding seat (332).

6. The packaging bag according to claim 2, characterized in that: A movable cavity (39) is formed in the middle of the connecting cavity (3) through the support rod (38); the first pressing member (31) and the second pressing member (32) are respectively located at the two ends of the movable cavity (39) and can move toward the middle; the first transmission structure is a first sliding body (341) slidably arranged on the first end surface of the support rod (38); the side wall of the connecting cavity (3) is provided with a first avoidance opening (391); the first sliding body (341) includes a first inclined surface (3412) facing the first pressing member (31); the first pressing member (31) is correspondingly provided with a first conical surface (311); the first sliding body (341) is provided with the first cutting surface (341) facing the outer end of the first bag body (1); The second transmission structure is a second sliding body (342) slidably arranged on the second end face of the support rod (38), the side wall of the connecting cavity (3) is provided with a second avoidance opening (392), the second sliding body (342) includes a second inclined surface (3422) facing the second pressing member (32), the second pressing member (32) is correspondingly provided with a second conical surface (321), the second sliding body (342) is provided with the second cutting piece (37) towards the outer end of the second bag body (2), and the second end face of the support rod (38) is inclined from the inside to the outside toward the second bag body (2).

7. The packaging bag according to claim 6, characterized in that: The first sliding body (341) is provided with a first T-shaped sliding block (3411), and the support rod (38) is correspondingly provided with a first T-shaped sliding groove (381); the second sliding body (342) is provided with a second T-shaped sliding block (3421), and the support rod (38) is correspondingly provided with a second T-shaped sliding groove (382).

8. The packaging bag according to claim 6, characterized in that: There are a plurality of first sliding bodies (341) which are evenly arranged along the circumferential direction; there are a plurality of second sliding bodies (342) which are evenly arranged along the circumferential direction.

9. The packaging bag according to claim 6, characterized in that: A first connecting strip (351) is provided between the first sliding body (341) and the connecting cavity (3); and a second connecting strip (352) is provided between the second sliding body (342) and the connecting cavity (3).

10. The packaging bag according to claim 2, characterized in that: A first pressing portion (11) is formed in the middle of the first bag body (1) corresponding to the first pressing piece (31); and a second pressing portion (21) is formed in the middle of the second bag body (2) corresponding to the second pressing piece (32).

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