Vacuum food bag with double pressure resistance

Abstract

The utility model discloses a vacuum food bag with double pressure resistance, and relates to the technical field of vacuum food bags. Comprising a bag body, the bag body comprises a PA outer bag and a vacuum packaging inner bag installed in an inner cavity of the PA outer bag, the inner wall of the PA outer bag is provided with a compression-resistant layer making contact with the vacuum packaging inner bag, the compression-resistant layer comprises two first calabash film layers which are bonded together, first bubbles are formed on the sides, away from each other, of the two first calabash film layers, and second bubbles are formed on the sides, away from each other, of the two first calabash film layers. The compression-resistant layer further comprises second calabash film layers and second bubbles, the sides, away from each other, of the two first calabash film layers are bonded with the second calabash film layers, and the second bubbles are formed on the sides, away from the first calabash film layers, of the second calabash film layers. According to the double-pressure-resistant vacuum food bag, the vacuum packaging inner bag is located in the PA outer bag, the vacuum packaging inner bag can make food not prone to deterioration, the pressure-resistant layer is arranged between the PA outer bag and the vacuum packaging inner bag, and the external pressure-resistant effect of the food in the vacuum packaging inner bag can be enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum food bag technical field, concretely is double pressure -resisting vacuum food bag. BACKGROUND

[0002] Vacuum food bag is the packaging bag for sealing and packing food, has the effect of air isolation, sealing, is all extracted sealed in the air of packing container, maintains the high pressure reduction state in the bag, and the air is rare, equivalent to low oxygen effect, so that microorganism has no living conditions, reaches the purpose that food is fresh, no disease and rot occurs, can increase the time of food storage, makes food taste not change too much when long -term transportation reaches the destination, and the application has plastic bag inner vacuum packaging, aluminium foil packaging, glassware packaging etc.

[0003] The conventional vacuum food bag has the following defects in the process of use: the overall compression resistance of the vacuum packaging bag is poor, after vacuum packaging some food that cannot be squeezed, the food in the vacuum packaging bag is easily damaged by external squeezing force due to the lack of good compression protection structure on the vacuum packaging bag, the use effect is poor, and the safety packaging of the food is not conducive. SUMMARY

[0004] The utility model provides double pressure -resisting vacuum food bag to solve the problem in the prior art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: double pressure -resisting vacuum food bag, including bag body, the bag body includes PA outer bag, installs the vacuum packaging inner bag in the inner chamber of PA outer bag, the inner wall of PA outer bag is equipped with the pressure -resisting layer that contacts with vacuum packaging inner bag, the pressure -resisting layer includes two first calabash membrane layers that are bonded together, the side that two first calabash membrane layers are away from each other all forms first bubble.

[0006] Further, the pressure -resisting layer still includes second calabash membrane layer, second bubble, the side that two first calabash membrane layers are away from each other all bonds second calabash membrane layer, the side that second calabash membrane layer is away from first calabash membrane layer forms second bubble.

[0007] Further, the second bubble is arc-shaped as a whole, and the second bubble and the first calabash membrane layer accommodate the second cavity of the first bubble.

[0008] Further, the first bubbles on the two first calabash membrane layers correspond to each other, and the corresponding first bubbles combine to form a first cavity.

[0009] Further, the bag body is provided with a vacuum air valve matched with the vacuum packaging inner bag.

[0010] Further, the vacuum packaging inner bag comprises an aluminum foil vacuum bag and a PE inner bag, and the PE inner bag is arranged on the inner wall of the aluminum foil vacuum bag.

[0011] Compared with the prior art, the double compression-resistant vacuum food bag has the following beneficial effects: the vacuum packaging inner bag is located in the PA outer bag, the vacuum packaging inner bag can prevent food from deteriorating, and the compression-resistant layer arranged between the PA outer bag and the vacuum packaging inner bag can enhance the external compression resistance of the food in the vacuum packaging inner bag, so that the food in the vacuum packaging inner bag is not easily deformed and damaged by external extrusion. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a plane structural schematic view of the utility model;

[0014] Figure 3 It is a side view structural schematic view of the utility model;

[0015] Figure 4 It is an enlarged schematic view of A of the utility model.

[0016] In the figure: 1, bag body; 2, PA outer bag; 3, vacuum packaging inner bag; 4, compression-resistant layer; 5, first calabash membrane layer; 6, first bubble; 7, second calabash membrane layer; 8, second bubble; 9, aluminum foil vacuum bag; 10, PE inner bag; 11, vacuum air valve; 12, first cavity; 13, second cavity. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figures 1-4The utility model discloses a have dual pressure -resistant vacuum food bag, including bag body 1, bag body 1 includes PA outer bag 2, installs the vacuum packaging inner bag 3 of PA outer bag 2 inner chamber, the inner wall of PA outer bag 2 is equipped with the pressure -resistant layer 4 who contacts vacuum packaging inner bag 3, the pressure -resistant layer 4 includes two first calabash membrane layers 5 who bond together, the first bubble 6 is formed to the side of mutual far -away of two first calabash membrane layers 5, and vacuum packaging inner bag 3 is located in PA outer bag 2, and vacuum packaging inner bag 3 can make food not easy to deteriorate and become bad, and the pressure -resistant layer 4 is arranged between PA outer bag 2 and vacuum packaging inner bag 3, can enhance the external pressure -resistant effect of the food in the internal vacuum packaging inner bag 3, make the food in the internal vacuum packaging inner bag 3 not easy to deform and damage by external extrusion.

[0019] Specifically, the pressure -resistant layer 4 further includes a second calabash membrane layer 7 and a second bubble 8, the side of mutual far -away of two first calabash membrane layers 5 is bonded with the second calabash membrane layer 7, and the side, far from the first calabash membrane layer 5, of the second calabash membrane layer 7 is formed with the second bubble 8.

[0020] The second bubble 8 is arc-shaped as a whole, and the second bubble 8 and the first calabash membrane layer 5 accommodate the second cavity 13 of the first bubble 6.

[0021] In the embodiment, the material of the first calabash membrane layer 5 and the second calabash membrane layer 7 is high-pressure polyethylene.

[0022] The second bubble 8 on the second calabash membrane layer 7 bonded on the first calabash membrane layer 5 covers the first bubble 6, so that one first bubble 6 is accommodated in one second bubble 8.

[0023] The second bubble 8 located on the outer layer contacts the inner wall of the PA outer bag 2, and the second bubble 8 located on the inner layer contacts the outer wall of the vacuum packaging inner bag 3.

[0024] The second calabash membrane layer 7 located on the outer layer has a portion bonded with the inner wall of the PA outer bag 2.

[0025] The first bubble 6 and the second bubble 8 form a double-layer structure, and when the external bubble is broken, the internal bubble can still play a protective role.

[0026] Specifically, the first bubbles 6 on the two first calabash membrane layers 5 correspond to each other, and the corresponding first bubbles 6 are combined to form the first cavity 12.

[0027] In the embodiment, the corresponding first bubbles 6 on the two first calabash membrane layers 5 are combined to form the first cavity 12, which can accommodate air and play a role in buffering and resisting pressure.

[0028] Specifically, the bag body 1 is provided with a vacuum air valve 11 matched with the vacuum packaging inner bag 3.

[0029] In the embodiment, the vacuum exhaust valve 11 is a one-way valve.

[0030] Specifically, the vacuum packaging inner bag 3 comprises an aluminum foil vacuum bag 9 and a PE inner bag 10 arranged on the inner wall of the aluminum foil vacuum bag 9.

[0031] In summary, the double anti-pressure vacuum food bag has the vacuum packaging inner bag 3 in the PA outer bag 2, the vacuum packaging inner bag 3 can prevent food from deteriorating, the anti-pressure layer 4 arranged between the PA outer bag 2 and the vacuum packaging inner bag 3 can enhance the external anti-pressure effect of the food in the vacuum packaging inner bag 3, and the food in the vacuum packaging inner bag 3 is not easy to be deformed and damaged due to external extrusion.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A double-pressurized vacuum food bag, comprising a bag body (1), characterized in that: The bag body (1) comprises a PA outer bag (2) and a vacuum packaging inner bag (3) arranged in the inner cavity of the PA outer bag (2), the inner wall of the PA outer bag (2) is provided with a pressure-resistant layer (4) in contact with the vacuum packaging inner bag (3), the pressure-resistant layer (4) comprises two layers of first gourd film layers (5) bonded together, and each of the two layers of first gourd film layers (5) is formed with a first bubble (6) on the side away from each other.

2. The dual-ziploc vacuum food storage bag of claim 1, wherein: The pressure-resistant layer (4) further comprises a second gourd film layer (7) and a second bubble (8), the two layers of first gourd film layers (5) are each bonded with the second gourd film layer (7) on the side away from each other, and the second gourd film layer (7) is formed with the second bubble (8) on the side away from the first gourd film layer (5).

3. The dual-ziploc vacuum food storage bag of claim 2, wherein: The second bubble (8) is arc-shaped as a whole, and the second bubble (8) and the first gourd film layer (5) are provided with a second cavity (13) accommodating the first bubble (6) therebetween.

4. The dual-ziploc vacuum food storage bag of claim 1, wherein: The first bubbles (6) on the two layers of first gourd film layers (5) are corresponding, and the corresponding first bubbles (6) are combined to form a first cavity (12).

5. The dual-ziploc vacuum food storage bag of claim 1, wherein: The bag body (1) is provided with a vacuum air valve (11) matched with the vacuum packaging inner bag (3).

6. The dual-ziploc vacuum food storage bag of claim 1, wherein: The vacuum packaging inner bag (3) comprises an aluminum foil vacuum bag (9) and a PE inner bag (10), and the PE inner bag (10) is arranged on the inner wall of the aluminum foil vacuum bag (9).

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