CN220010612U

CN220010612U - Vacuum packaging bag

Info

Publication number: CN220010612U
Application number: CN202321235007.2U
Authority: CN
Inventors: 伍思勇; 李司懿; 樊凯
Original assignee: Dongguan Chang Ying Plastic Intertexture Pack Co ltd
Current assignee: Dongguan Chang Ying Plastic Intertexture Pack Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-11-14
Anticipated expiration: 2033-05-19

Abstract

The utility model relates to the technical field of packaging materials, in particular to a vacuum packaging bag, which comprises a bag body, wherein the bag body comprises a PET film layer, a buffer layer, a nylon film layer and a PE film layer, the buffer layer comprises a plurality of cavities which are arranged at intervals, and gas is arranged in the cavities; the PET rete sets up in the surface of buffer layer, the nylon rete sets up in the internal surface of buffer layer, the PE rete sets up in the internal surface of nylon rete. The vacuum packaging bag is simple in structure, convenient to carry, not prone to air leakage and capable of protecting and preserving the loaded objects. Compared with the prior art, the vacuum packaging bag provided by the utility model has the advantages that the inner blank bag is canceled, the outer bag is adopted for directly vacuumizing, so that the material is saved, the freshness of the loaded articles can be ensured, the loaded articles can be buffered and protected, and the commodity information can be provided.

Description

Vacuum packaging bag

Technical Field

The utility model relates to the technical field of packaging materials, in particular to a vacuum packaging bag.

Background

Currently, as the level of home consumption changes, the intake of water is balanced and small packaging vacuum bags are beginning to prevail. For the bag pile up neatly effect, current sack all adopts bag in the bag design, but the inner bag evacuation, outer bag printing commodity information, because the design of inlayer, the grain merchant need fill vacuum inner bag earlier during production, carries out pedestrian frock package outer bag again, and heat-seal vanning finally, and process inefficiency, vacuum packaging bag is broken with easily in the handling simultaneously, leads to the wrapping bag gas leakage, and the product is rotten.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the vacuum packaging bag which is convenient to use and high in practicability.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the vacuum packaging bag comprises a bag body, wherein the bag body comprises a PET film layer, a buffer layer, a nylon film layer and a PE film layer, the buffer layer comprises a plurality of cavities which are arranged at intervals, and gas is arranged in the cavities; the PET rete sets up in the surface of buffer layer, the nylon rete sets up in the internal surface of buffer layer, the PE rete sets up in the internal surface of nylon rete.

Further, the cavity is provided with an opening, the opening faces the nylon membrane layer, and a protruding part is arranged between the adjacent cavities.

Further, the buffer layer is a TPU film layer.

Further, the buffer layer further comprises a plurality of buffer blocks arranged at intervals, the cavity is positioned between two adjacent buffer blocks, the outer surfaces of the buffer blocks are connected with the PET film layer, and the inner surfaces of the buffer blocks are connected with the nylon film layer.

Further, the two sides of the bag body are provided with M-shaped folding parts.

Further, the thickness of the PET film layer is 10-14 mu m.

Further, the thickness of the buffer layer is 100-140 μm.

Further, the thickness of the nylon film layer is 12-18 mu m.

Further, the thickness of the PE film layer is 100-140 mu m.

The utility model has the beneficial effects that: the vacuum packaging bag is simple in structure, convenient to carry, not prone to air leakage and capable of protecting and preserving the loaded objects. Compared with the prior art, the vacuum packaging bag cancels the inner blank bag, adopts the outer bag to directly vacuumize, not only saves materials, but also can ensure the preservation of the loaded articles, plays a role in buffering and protecting the loaded articles, and can also carry commodity information.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a perspective view of another embodiment of the present utility model;

fig. 3 is a schematic structural view of embodiment 1;

fig. 4 is a schematic structural view of embodiment 2;

fig. 5 is a schematic structural diagram of embodiment 3.

The reference numerals include:

1. a bag body; 11. a folding part; 2. a PET film layer; 3. a buffer layer; 31. a cavity; 32. a buffer block; 4. nylon membrane layer; 5. a PE film layer; 6. a boss.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Example 1

As shown in fig. 1-3, a vacuum packaging bag comprises a bag body 1, wherein the bag body 1 comprises a PET film layer 2, a buffer layer 3, a nylon film layer 4 and a PE film layer 5, the buffer layer 3 comprises a plurality of cavities 31 which are arranged at intervals, and gas is arranged in the cavities 31; the PET film layer 2 is arranged on the outer surface of the buffer layer 3, the nylon film layer 4 is arranged on the inner surface of the buffer layer 3, and the PE film layer 5 is arranged on the inner surface of the nylon film layer 4. The vacuum packaging bag is suitable for loading rice or other articles.

The vacuum packaging bag is sequentially provided with the PET film layer 2, the buffer layer 3, the nylon film layer 4 and the PE film layer 5 from outside to inside, wherein the PET film layer 2 is used for printing, so that the packaging bag is provided with commodity information; the buffer layer 3 is provided with the cavity 31, and the cavity 31 is filled with gas, so that the pressure of the packaging bag in the carrying process can be slowed down, the buffer effect is achieved, meanwhile, the gas heat conductivity coefficient is relatively low, the heat transfer can be reduced, the good heat preservation effect can be realized, the aging of the loaded articles is prevented, and the fresh-keeping effect is achieved; the nylon membrane layer 4 is made of nylon material, so that the puncture resistance of the packaging bag can be enhanced, and air leakage can be prevented; the PE film layer 5 is made of PE material, and can provide heat sealing performance. The vacuum packaging bag is simple in structure, convenient to carry, not prone to air leakage and capable of protecting and preserving the loaded objects. Compared with the prior art, the vacuum packaging bag provided by the utility model has the advantages that the inner blank bag is canceled, the outer bag is adopted for directly vacuumizing, so that the material is saved, the freshness of the loaded articles can be ensured, the loaded articles can be buffered and protected, and the commodity information can be provided.

Further, the buffer layer 3 is a TPU film layer. The TPU film layer is made of TPU material, has excellent comprehensive properties of high strength, high toughness, good elasticity, wear resistance, oil resistance and the like, and plays a role in buffering and protecting the load.

In this embodiment, the bag body 1 includes a front surface, a back surface and two side surfaces, the upper end and the lower end of the front surface are respectively connected with the upper end and the lower end of the back surface, the two sides of the front surface are respectively connected with the front ends of the two side surfaces, the two sides of the back surface are respectively connected with the rear ends of the two side surfaces, the upper end connection part of the front surface and the back surface is connected with the upper end of the side surface, the lower end connection part of the front surface and the back surface is connected with the lower end of the side surface, namely, the front surface, the back surface and the two side surfaces are enclosed to form the bag body 1. The front face, the back face and the two side faces are respectively provided with a PET film layer 2, a buffer layer 3, a nylon film layer 4 and a PE film layer 5 from outside to inside in sequence.

Further, the two sides of the bag body 1 are provided with the folding parts 11 in an M shape, specifically, the side central line of the bag body 1 is folded inwards to form a stable M-shaped edge, namely the folding parts 11, so that the bag body 1 is in a three-dimensional structure, and commodity information can be conveniently displayed. In this embodiment, the wrapping bag carries out the heat-seal in advance in the bottom position of wrapping bag when the shaping, and the heat-seal specification is 4 3cm, can solve the wrapping bag and because the gas leakage problem that the heat-seal is not firm arouses.

Further, the thickness of the PET film layer 2 is 10-14 μm. Preferably, the thickness of the PET film layer 2 is 12 μm.

Further, the thickness of the buffer layer 3 is 100-140 μm. Preferably, the thickness of the buffer layer 3 is 120 μm.

Further, the nylon membrane layer 4 has a thickness of 12-18 μm. Preferably, the nylon membrane layer 4 has a thickness of 15 μm.

Further, the thickness of the PE film layer 5 is 100-140 μm. Preferably, the PE film has a thickness of 120 μm.

Example 2

As shown in fig. 4, unlike embodiment 1, the cavity 31 is provided with an opening, the opening faces the nylon membrane layer 4, a protruding portion 6 is disposed between adjacent cavities 31, the inner surface of the protruding portion 6 is connected with the nylon membrane layer 4, the outer surface of the protruding portion 6 is connected with the buffer layer 3, that is, the buffer layer 3 and the four protruding portions 6 enclose a cavity 31 with a backward opening, the cavity 31 is formed by outwards recessing the inner surface of the buffer layer 3, the cavity 31 and the protruding portions 6 form an uneven structure of the inner surface of the buffer layer 3, and the cavity 31 is filled with gas to play a role in buffering and protecting the load. In this embodiment, the cavity 31 is formed by stamping the surface of the buffer layer 3, which is convenient for production.

Example 3

As shown in fig. 5, unlike embodiment 1, the buffer layer 3 further includes a plurality of buffer blocks 32 disposed at intervals, the cavity 31 is located between two adjacent buffer blocks 32, the outer surface of the buffer block 32 is connected with the PET film layer 2, and the inner surface of the buffer block 32 is connected with the nylon film layer 4. Namely, the PET film layer 2, the nylon film layer 4 and the four buffer blocks 32 are enclosed to form a cavity 31, so that the material of the buffer layer 3 is saved, and in the embodiment, the buffer blocks 32 are made of thermoplastic elastomer materials, so that the pressure received by the packaging bag can be absorbed. The buffer blocks 32 are in a cube structure, namely, a plurality of buffer blocks 32 arranged at intervals and a plurality of cavities 31 arranged at intervals form a grid-shaped structure.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. A vacuum packaging bag, characterized in that: the bag comprises a bag body (1), wherein the bag body (1) comprises a PET film layer (2), a buffer layer (3), a nylon film layer (4) and a PE film layer (5), the buffer layer (3) comprises a plurality of cavities (31) which are arranged at intervals, and gas is arranged in the cavities (31); the PET film layer (2) is arranged on the outer surface of the buffer layer (3), the nylon film layer (4) is arranged on the inner surface of the buffer layer (3), and the PE film layer (5) is arranged on the inner surface of the nylon film layer (4).

2. A vacuum packaging bag as defined in claim 1, wherein: the cavity (31) is provided with an opening, the opening faces the nylon membrane layer (4), a protruding portion (6) is arranged between the adjacent cavities (31), the inner surface of the protruding portion (6) is connected with the nylon membrane layer (4), and the outer surface of the protruding portion (6) is connected with the buffer layer (3).

3. A vacuum packaging bag as claimed in claim 2, wherein: the buffer layer (3) is a TPU film layer.

4. A vacuum packaging bag as defined in claim 1, wherein: the buffer layer (3) further comprises a plurality of buffer blocks (32) which are arranged at intervals, the cavity (31) is positioned between two adjacent buffer blocks (32), the outer surface of each buffer block (32) is connected with the PET film layer (2), and the inner surface of each buffer block (32) is connected with the nylon film layer (4).

5. A vacuum packaging bag as defined in claim 1, wherein: two sides of the bag body (1) are provided with M-shaped folding parts (11).

6. A vacuum packaging bag as defined in claim 1, wherein: the thickness of the PET film layer (2) is 10-14 mu m.

7. A vacuum packaging bag as defined in claim 1, wherein: the thickness of the buffer layer (3) is 100-140 mu m.

8. A vacuum packaging bag as defined in claim 1, wherein: the thickness of the nylon film layer (4) is 12-18 mu m.

9. A vacuum packaging bag as defined in claim 1, wherein: the thickness of the PE film layer (5) is 100-140 mu m.