High-toughness quick-frozen food packaging bag

Abstract

The utility model discloses a high-toughness quick-frozen food packaging bag which comprises a bag body, handles are arranged in the middle of the upper end of the bag body, holding openings are formed in the middles of the handles, a biaxially oriented polypropylene film is arranged on the middle layer in the bag body, an aluminum foil layer is arranged on the inner layer of the biaxially oriented polypropylene film, and a food-grade polyvinyl alcohol layer is arranged on the inner layer of the aluminum foil layer. An anti-scratch layer is arranged on the outer layer of the biaxially oriented polypropylene film, and the anti-scratch layer, the biaxially oriented polypropylene film, the aluminum foil layer and the food-grade polyvinyl alcohol layer are sequentially adhered through mucilage liquid; the biaxially oriented polypropylene film is arranged in the middle layer in the bag body, so that the toughness of the bag body can be improved, and damage caused by external force pulling is avoided; the scratch-proof layer improves the scratch-proof capability of the surface of the bag body and avoids abrasion; the food-grade polyvinyl alcohol layer can ensure food safety and is easy to heat-seal; the aluminum foil layer effectively isolates moisture and gas and prevents food from being polluted or deteriorated; and harm to health caused by eating deteriorated food by consumers is avoided, and economic loss of manufacturers is prevented.

Description

Technical Field

[0001] The utility model relates to the field of food packaging bags, in particular to a high-toughness quick-frozen food packaging bag. Background Art

[0002] With the development of the frozen food industry, quick-frozen foods are widely welcomed due to their convenience. Such products usually need to be transported and stored under low-temperature conditions.

[0003] Traditional quick-frozen food packaging bags are prone to becoming brittle and easy to break at low temperatures, resulting in food contamination or spoilage. Consumers eating spoiled food will pose a health hazard and cause economic losses to producers. Moreover, the packaging bag can only be opened from the top to pull out the food, which makes the food easily fall to the ground, inconvenient to take, and is a one-time seal, unable to allow consumers to open and close it multiple times, increasing the environmental pressure brought by single-use and unable to provide convenience. Content of the Utility Model

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a high-toughness quick-frozen food packaging bag to solve the problems raised in the above background art.

[0005] To solve the above technical problems, the utility model provides the following technical solution: A high-toughness quick-frozen food packaging bag includes a bag body. A handle is provided in the middle of the upper end of the bag body, and a grip is provided in the middle of the handle. A biaxially oriented polypropylene film is provided in the middle layer of the bag body. An aluminum foil layer is provided on the inner layer of the biaxially oriented polypropylene film. A food-grade polyvinyl alcohol layer is provided on the inner layer of the aluminum foil layer. An anti-scratch layer is provided on the outer layer of the biaxially oriented polypropylene film. The anti-scratch layer, biaxially oriented polypropylene film, aluminum foil layer, and food-grade polyvinyl alcohol layer are adhesively bonded in sequence by mucus.

[0006] As a preferred technical solution of the utility model, an easy tear opening is provided in the middle of the outer side wall of the bag body, and an easy tear paper is provided on the easy tear opening. The easy tear paper and the easy tear opening are connected by an easy tear line. Pulling out the easy tear paper can directly take out the food in the bag body, which is convenient to take and provides convenience.

[0007] As a preferred technical solution of the utility model, pull strips are provided at both ends of the outer side wall of the easy tear paper. There are two pull strips, and the pull strips facilitate tearing the easy tear paper, bringing convenience.

[0008] As a preferred technical solution of the utility model, a transparent film is provided in the middle of the easy tear paper. The transparent film can see the category of the stored quick-frozen food to avoid taking the wrong one.

[0009] As a preferred technical solution of the present utility model, three desiccants are provided at the bottom end inside the bag body. The three desiccants can adsorb the moisture inside the bag body, preventing the moisture from freezing in a low-temperature environment. In normal temperature conditions, the moisture inside the bag body is adsorbed to avoid affecting the food, increasing the storage time.

[0010] As a preferred technical solution of the present utility model, a nameplate label is provided above the tear-open notch. The nameplate label displays food information and the brand LOGO.

[0011] As a preferred technical solution of the present utility model, a sealing strip is provided on the upper part of the inner side wall of the bag body. When frozen food is placed into the bag body, the sealing strip is then adhered tightly, improving the sealing performance, and allowing consumers to open and close it multiple times, reducing the environmental pressure caused by single-use.

[0012] Compared with the prior art, the beneficial effects that the present utility model can achieve are:

[0013] 1. A biaxially oriented polypropylene film is provided in the middle layer inside the bag body, which can improve the toughness of the bag body, prevent damage caused by external pulling, the scratch-resistant layer increases the scratch-resistant ability of the bag body surface to avoid abrasion, the food-grade polyvinyl alcohol layer can ensure food safety and is easy to heat-seal, and the aluminum foil layer effectively isolates moisture and gas, preventing food contamination or spoilage, avoiding the harm to health that consumers may suffer from eating spoiled food, and preventing economic losses to the manufacturer.

[0014] 2. When frozen food is placed into the bag body, the sealing strip is then adhered tightly, improving the sealing performance, and allowing consumers to open and close it multiple times, reducing the environmental pressure caused by single-use. By pulling the two pull strips and pulling out the tear paper, the food inside the bag body can be directly taken out, which is convenient to pick up and provides convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the external view schematic diagram of the present utility model;

[0016] Figure 2 is the structural schematic diagram of the present utility model;

[0017] Figure 3 is the material schematic diagram of the bag body in the present utility model;

[0018] Figure 4 is the structural schematic diagram of the inner bottom of the bag body in the present utility model;

[0019] Figure 5 In the present utility model Figure 1 is the enlarged schematic diagram of point A;

[0020] Figure 6 In the present utility model Figure 1 is the enlarged schematic diagram of point B.

[0021] Wherein: 1. Bag body; 2. Tearable paper; 3. Tear line; 4. Transparent film; 5. Nameplate label; 6. Sealing strip; 7. Handle; 8. Scratch-resistant layer; 9. Biaxially oriented polypropylene film; 10. Aluminum foil layer; 11. Food-grade polyvinyl alcohol layer; 12. Grip opening; 13. Desiccant; 14. Pull strip; 15. Tear opening. Specific embodiments

[0022] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments. However, the following embodiments are only the preferred embodiments of the present utility model and not all of them. Based on the embodiments in the implementation manners, other embodiments obtained by those skilled in the art without creative efforts all fall within the protection scope of the present utility model. The experimental methods in the following embodiments are all conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following embodiments can all be obtained from commercial channels unless otherwise specified.

[0023] Specific embodiments are given below.

[0024] Referring to FIGS. 1-6, in the embodiment of the present utility model, a high-toughness quick-frozen food packaging bag includes a bag body 1. Handles 7 are provided in the middle of the upper end of the bag body 1, and grip openings 12 are provided in the middle of the handles 7. A biaxially oriented polypropylene film 9 is provided in the middle layer of the bag body 1. An aluminum foil layer 10 is provided inside the biaxially oriented polypropylene film 9. A food-grade polyvinyl alcohol layer 11 is provided inside the aluminum foil layer 10. A scratch-resistant layer 8 is provided outside the biaxially oriented polypropylene film 9. The scratch-resistant layer 8, the biaxially oriented polypropylene film 9, the aluminum foil layer 10 and the food-grade polyvinyl alcohol layer 11 are adhesively connected in sequence through mucus. The biaxially oriented polypropylene film 9 provided in the middle layer of the bag body 1 can improve the toughness of the bag body 1 and avoid breakage caused by external pulling. The scratch-resistant layer 8 increases the scratch resistance of the surface of the bag body 1 and avoids abrasion. The food-grade polyvinyl alcohol layer 11 can ensure food safety and is easy to heat-seal. The aluminum foil layer 10 effectively isolates moisture and gas.

[0025] Wherein, in the middle of the outer side wall of the bag body 1, there is a tear notch 15, on which a tear paper 2 is arranged. The tear paper 2 and the tear notch 15 are connected by a tear line 3. By pulling out the tear paper 2, the food in the bag body 1 can be directly taken out, which is convenient for taking and provides convenience. At both ends of the outer side wall of the tear paper 2, there are pull strips 14. There are two pull strips 14, which are convenient for tearing the tear paper 2 and bring convenience. In the middle of the tear paper 2, there is a transparent film 4, through which the category of the stored frozen food can be seen to avoid taking the wrong one. At the bottom end inside the bag body 1, there are three desiccants 13, which can adsorb the moisture in the bag body 1 to prevent the moisture from freezing in a low-temperature environment. In a normal-temperature situation, the moisture in the bag body 1 is adsorbed to avoid affecting the food and increase the storage time. Above the tear notch 15, there is a nameplate label 5, which displays the food information and the brand LOGO. On the upper part of the inner side wall of the bag body 1, there is a sealing strip 6. After putting the frozen food into the bag body 1, the sealing strip 6 is adhered tightly, which improves the sealing performance and allows consumers to open and close it multiple times, reducing the environmental pressure caused by single-use.

[0026] Working principle: Open the bag body 1, put the frozen food into the bag body 1. After completion of the placement, adhere the sealing strip 6 tightly, which improves the sealing performance and allows consumers to open and close it multiple times, reducing the environmental pressure caused by single-use. The nameplate label 5 displays the food information and the brand LOGO. Hold the two pull strips 14 and pull out the tear paper 2, then the food in the bag body 1 can be directly taken out, which is convenient for taking. Through the transparent film 4, the category of the stored frozen food can be seen to avoid taking the wrong one. The three desiccants 13 can adsorb the moisture in the bag body 1 to prevent the moisture from freezing in a low-temperature environment. In a normal-temperature situation, the moisture in the bag body 1 is adsorbed to avoid affecting the food and increase the storage time. In the middle layer inside the bag body 1, there is a biaxially oriented polypropylene film 9, which can improve the toughness of the bag body 1 and prevent damage caused by external pulling. The scratch-resistant layer 8 increases the scratch-resistant ability of the surface of the bag body 1 to avoid abrasion. The food-grade polyvinyl alcohol layer 11 can ensure food safety and is easy to heat-seal. The aluminum foil layer 10 effectively isolates moisture and gas. The bag body 1 can be taken by pulling the handle 7, which provides convenience and improves the user experience.

[0027] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only the preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A high-toughness quick-frozen food packaging bag, comprising a bag body (1), characterized in that: The bag body (1) is provided with a handle (7) at the middle of the upper end, and a grip (12) is provided at the middle of the handle (7). The bag body (1) is provided with a biaxially oriented polypropylene film (9) at the middle layer, and the inner layer of the biaxially oriented polypropylene film (9) is provided with an aluminum foil layer (10), and the inner layer of the aluminum foil layer (10) is provided with a food-grade polyvinyl alcohol layer (11). The outer layer of the biaxially oriented polypropylene film (9) is provided with an anti-scratch layer (8), and the anti-scratch layer (8), the biaxially oriented polypropylene film (9), the aluminum foil layer (10) and the food-grade polyvinyl alcohol layer (11) are sequentially adhered by mucus.

2. A high-toughness quick-frozen food packaging bag according to claim 1, characterized in that: An easy-tear opening (15) is provided in the middle of the outer wall of the bag body (1), and an easy-tear paper (2) is provided on the easy-tear opening (15), and the easy-tear paper (2) and the easy-tear opening (15) are connected by an easy-tear line (3).

3. A high-toughness quick-frozen food packaging bag according to claim 2, characterized in that: Both ends of the outer side wall of the easy-tear paper (2) are provided with pull strips (14), and two pull strips (14) are provided.

4. The high-toughness quick-frozen food packaging bag according to claim 2, characterized in that: A transparent film (4) is arranged in the middle of the easy-tear paper (2).

5. The high-toughness quick-frozen food packaging bag according to claim 1, characterized in that: Three desiccants (13) are arranged at the bottom end of the bag body (1).

6. The high-toughness quick-frozen food packaging bag according to claim 2, characterized in that: A nameplate mark (5) is arranged above the easy-tear opening (15).

7. The high-toughness quick-frozen food packaging bag according to claim 1, characterized in that: A sealing strip (6) is provided on the upper portion of the inner wall of the bag body (1).

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